CN108424483B - Batch production method of polyethylene plastic particles - Google Patents
Batch production method of polyethylene plastic particles Download PDFInfo
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- CN108424483B CN108424483B CN201810569474.6A CN201810569474A CN108424483B CN 108424483 B CN108424483 B CN 108424483B CN 201810569474 A CN201810569474 A CN 201810569474A CN 108424483 B CN108424483 B CN 108424483B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/02—Ethene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/10—Making granules by moulding the material, i.e. treating it in the molten state
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Abstract
The invention belongs to the technical field of polyethylene production, and particularly relates to a batch production method of polyethylene plastic particles; the production method comprises the following steps: adding raw materials, ethylene gas and a catalyst required by polyethylene production into a polymerization reaction kettle, and closing a feed inlet; pressurizing the polymerization reaction kettle to keep the pressure between 113 MPa and 196MPa and the temperature between 150 ℃ and 280 ℃ in the polymerization reaction kettle, and uniformly mixing the raw materials in the polymerization reaction kettle; introducing initiator oxygen or peroxide into the polymerization reaction kettle to polymerize ethylene under high pressure of 113-196 MPa; compressing and granulating the polymerized polyethylene by using a polymerization reaction kettle; according to the invention, the batch production method of the polyethylene plastic particles is improved through the polymerization reaction kettle, so that the polyethylene is uniformly heated during production, the polymerization degree is high, the polymerization degree is uniform, the quality of the polyethylene plastic particles is improved, the polyethylene which is just produced can be automatically granulated, and the batch production efficiency of the polyethylene plastic particles is improved.
Description
Technical Field
The invention belongs to the technical field of polyethylene production, and particularly relates to a batch production method of polyethylene plastic particles.
Background
Polyethylene is mainly used for manufacturing films, containers, pipes, monofilaments, electric wires and cables, daily necessities and the like, and can be used as a high-frequency insulating material for televisions, radars and the like. Polyethylene is a thermoplastic resin obtained by polymerizing ethylene; the polyethylene is odorless, nontoxic, has a wax-like hand feeling, has excellent low-temperature resistance (the lowest use temperature can reach-100 to-70 ℃), has good chemical stability, can resist most of acid and alkali erosion (cannot resist acid with oxidation property), is insoluble in common solvents at normal temperature, has small water absorption, excellent electrical insulation, and has good electrical property and radiation resistance, and the low-pressure polyethylene has high melting point, rigidity, hardness and strength, small water absorption and good electrical property; the high-pressure polyethylene has better flexibility, elongation, impact strength and permeability; the ultra-high molecular weight polyethylene has high impact strength, fatigue resistance and wear resistance; the low-pressure polyethylene is suitable for manufacturing corrosion-resistant parts and insulating parts; the high-pressure polyethylene is suitable for making film, etc., and the ultrahigh-molecular weight polyethylene is suitable for making damping, wear-resisting and driving parts.
Polyethylene colloidal particle range of application is very extensive, and the process of traditional polyethylene colloidal particle production technology is more, and production facility is comparatively complicated, and in polyethylene preparation process, the polyethylene raw materials is heated unevenly, and the polymerization degree difference of the polyethylene of producing is great, influences the quality of polyethylene production.
In view of the above, the present invention provides a method for mass production of polyethylene plastic pellets, which improves the method for mass production of polyethylene plastic pellets through a polymerization reaction kettle, and provides a high temperature and high pressure environment for the polyethylene raw material through the polymerization reaction kettle, and uniformly stirs the polyethylene raw material, so that the polyethylene raw material is uniformly heated, the ethylene polymerization reaction is rapidly performed, and simultaneously, the polyethylene immediately produced is pelletized, so that the efficiency of mass production of polyethylene plastic pellets is high, and the quality of the produced polyethylene plastic pellets is good.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a batch production method of polyethylene plastic particles, which is mainly used for the batch production of the polyethylene plastic particles. The invention improves the batch production method of the polyethylene plastic particles through the polymerization reaction kettle, so that the polyethylene is heated uniformly during production, the polymerization degrees are the same, and the quality of the polyethylene plastic particles is improved; meanwhile, the invention can automatically granulate the polyethylene immediately produced, thereby improving the efficiency of mass production of polyethylene plastic particles.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a batch production method of polyethylene plastic particles, which comprises the following steps:
the method comprises the following steps: adding raw materials required by polyethylene production into a polymerization reaction kettle, wherein the raw materials comprise ethylene gas and a catalyst, and closing a feed inlet;
step two: pressurizing the reaction chamber by using a pressurizing and stirring module, keeping the pressure between 113 MPa and 196MPa, keeping the temperature in the reaction chamber between 150 ℃ and 280 ℃ by using a heater, and uniformly mixing the raw materials in the reaction chamber; wherein, the reaction temperature is set according to the type of the initiator added in the later period;
step three: introducing initiator oxygen or peroxide into the reaction chamber by using a pressurizing and stirring module to polymerize ethylene at high pressure, wherein the pressure is 113-196 MPa;
step four: controlling the polyethylene to be discharged by using an automatic discharging module, and compressing and granulating the polymerized polyethylene by using a granulating module;
the polymerization reaction kettle in the first to fourth steps comprises a reaction chamber, a feeding hole, a heater, a pressurizing and stirring module, an automatic discharging module, a granulating module and a fixing frame, wherein the fixing frame is fixed on the ground; the reaction chamber is positioned at the upper end of the fixing frame and is fixedly connected with the fixing frame, the reaction chamber is used for polymerization reaction of polyethylene raw materials, and the reaction chamber for closing the feeding hole and the automatic discharging module is a closed space, so that the high-pressure environment of the reaction chamber can be ensured; the feeding hole is positioned at the upper end of the reaction chamber and is used for conveying raw materials for preparing polyethylene into the reaction chamber; the heater is positioned on the inner wall of the reaction chamber and used for heating raw materials for preparing polyethylene; the pressurizing and stirring module is positioned in the center of the reaction chamber and is used for pressurizing the reaction chamber and stirring raw materials for preparing polyethylene; the automatic discharging module is positioned at the lower end of the reaction chamber and is used for enabling the prepared polyethylene to flow downwards; the granulation module is positioned at the lower end of the automatic discharging module and is used for granulating the produced polyethylene.
The pressurizing and stirring module comprises a square shell, a motor, a gas shaft, a gas conveying sleeve, a shaft sleeve and a stirring rod, wherein the square shell is positioned in the center of the reaction chamber; the motor is positioned outside the reaction chamber and used for driving the air shaft to rotate; one end of the gas shaft is rotatably connected with the motor, the other end of the gas shaft extends into the square shell, the gas shaft is fixedly connected with the square shell, the gas shaft is a hollow shaft, and the gas shaft pressurizes the reaction chamber through the stirring rod; the gas conveying sleeve is rotatably connected with the gas shaft, is positioned between the motor and the reaction chamber and is communicated with the gas shaft, and is used for introducing gas into the gas shaft; the shaft sleeves are uniformly distributed around the air shaft and are vertically communicated with the air shaft; the stirring rod is connected with the shaft sleeve in a sliding mode, the stirring rod is communicated with the shaft sleeve and is a hollow rod with one closed end, and a plurality of air holes are formed in the stirring rod; the air hole is used for releasing air in the air shaft. During operation, let in ethylene gas in to the gas shaft with gas transport cover, make ethylene gas pass through the stirring rod and pressurize in to the reacting chamber, the starter motor, motor rotation drive gas shaft rotates, and gas transport cover is fixed in on the mount, and gas shaft rotation drive square shell rotates, makes the stirring rod stir the raw materials in the reacting chamber, makes polymerization fully and go on fast.
A return spring is arranged between the shaft sleeve and the stirring rod, and the return spring is positioned in the shaft sleeve; the reset spring is used for resetting the stirring rod after the stirring rod is extruded; the upper end of the reaction chamber is provided with a lug; the lug is used for pushing the stirring rod to enable reactants attached to the joint of the stirring rod and the square shell to fall off. The during operation, the stirring rod rotates, and the lug is touch to the stirring rod, and the stirring rod is extruded and gets into the axle sleeve, and the stirring rod breaks away from with square casing handing-over department adnexed reactant with the automation for the raw materials reaction is more abundant, and after the stirring rod breaks away from the lug, the stirring rod resets.
A plurality of pieces of baffle cloth are arranged outside the square shell, and the baffle cloth is densely overlapped; a knocking rod is arranged inside the square shell, teeth are arranged at the tail end of the knocking rod, and a first gear is arranged beside the knocking rod; the first gear is meshed with the knocking rod, an upright post is arranged on the first gear, and the first gear is vertically and fixedly connected with the upright post; a coil spring is sleeved at the lower part of the upright post, and a pull rope is wound at the upper end of the upright post; one end of the coil spring is fixedly connected with the upright post, the other end of the coil spring is fixedly connected with the square shell, and the coil spring is used for resetting the upright post or the gear after rotating; the shaft sleeve is provided with a pull rope hole for a pull rope to pass through; one end of the pull rope is fixedly connected with the stand column, the other end of the pull rope penetrates through the pull rope hole to be fixedly connected with the end part of the stirring rod, the pull rope is pulled by the stirring rod to drive the gear to rotate, the gear rotates positively and negatively to drive the knocking rod to continuously knock the inner wall of the square shell, and therefore raw materials or reaction products on the separation blade outside the square shell are vibrated to fall down from the square shell. The during operation, the stirring rod resets, the stay cord is pulled, the stand rotates, the wind spring rolling, the stand drives a gear and rotates, a gear drive strikes the square shell, the square shell shake, the outside fender cloth shake of square shell, the reactant on the fender cloth drops automatically, the reactant bonds at square shell surface, the waste of reactant has been avoided, make the reactant can fully react after droing, the utilization ratio of production polyethylene raw materials has been improved, and simultaneously, also reduce or reduce the gas pocket jam of reactant on to the stirring rod, make the continuation work that the pressurization stirring module can be better.
The automatic discharging module comprises a discharging bin, a buoyancy plate, a rope I, a left semicircular open-close plate, a right semicircular open-close plate, an annular plate I, an annular plate II and an electromagnet, the discharging bin is positioned at the lower end of the reaction chamber, and the discharging bin is communicated with the reaction chamber; the buoyancy plate is positioned at the lower end of the reaction chamber, and the buoyancy plate floats upwards to pull the rope I upwards; one end of the first rope is connected with the buoyancy plate, the lower end of the first rope is connected to the hinged position of the left semicircular opening-closing plate and the right semicircular opening-closing plate, the first rope is provided with a telescopic rod, the length of the telescopic rod is adjustable, the first rope is pulled upwards, and the left semicircular opening-closing plate and the right semicircular opening-closing plate are pulled upwards and opened; the left semicircular opening and closing plate is hinged with the right semicircular opening and closing plate, the lower end of the first annular plate is tied with the second annular plate through a set rope, and the lower ends of the left semicircular opening and closing plate and the right semicircular opening and closing plate are tied with the first annular plate through a set rope; electromagnets are arranged on the second annular plate and the first annular plate; the electromagnet is used for attaching the left semicircular opening plate, the right semicircular opening plate and the annular plate in an adsorption and sealing manner, and the electromagnet is used for attaching the annular plate I and the annular plate II in an adsorption and sealing manner; and the second annular plate is fixedly connected with the inner wall of the discharging bin. When the device works, ethylene gas in the reaction chamber is gradually converted into liquid polyethylene, the buoyancy plate has larger buoyancy in the liquid polyethylene, the liquid polyethylene is increased along with the polymerization reaction, the liquid level of the polyethylene in the reaction chamber rises, the buoyancy plate floats upwards, the buoyancy plate stretches the telescopic rod, after the telescopic rod is completely stretched, the buoyancy plate continuously floats upwards, the telescopic rod is pulled upwards, the rope I is pulled upwards, and the telescopic rod is used for straightening the buffer rope I; the rope I pulls the left semicircular open close plate and the right semicircular open close plate to open, so that the left semicircular open close plate and the right semicircular open close plate are separated from the annular plate II, the annular plate II is pulled to be separated from the annular plate I, liquid polyethylene flows downwards from a gap between the left semicircular open plate, the right semicircular open plate and the annular plate II, the liquid polyethylene flows downwards from a gap between the annular plate II and the annular plate I, after excessive liquid polyethylene flows away, the polyethylene liquid level at the upper end of the discharging bin descends, the telescopic rod resets, the rope I relaxes, the left semicircular open plate and the right semicircular open plate are closed, the left semicircular open plate and the right semicircular open plate are attached to the annular plate in a suction sealing mode under the action of gravity or magnetic force, the annular plate I attaches to the annular plate II in a suction sealing mode, and the polyethylene stops flowing downwards.
The granulating module comprises a rope IV, an impeller, a support, a hollow stirring shaft, a rack, a spring II, a gear II, a stirring plate and a granulating opening, wherein the granulating opening is positioned at the lower end of the discharging bin and is used for granulating polyethylene; the support is annular, and a liquid leakage hole is formed in the support and used for liquid polyethylene to leak downwards; the hollow stirring shaft is positioned at the discharge bin, the hollow stirring shaft is in sliding connection with the discharge bin through a support, the hollow stirring shaft is in rotating connection with the support, and the liquid polyethylene falls into the support to push the hollow stirring shaft and the stirring plate to move downwards to extrude the lower viscous polyethylene to be granulated through the granulation port; a third spring is arranged on the side wall of the discharging bin and is used for resetting and rising after the support moves downwards; the impeller is positioned at the upper end of the hollow stirring shaft, the impeller and the hollow stirring shaft are fixedly connected into a whole, and the liquid polyethylene falls into the impeller to drive the impeller to rotate; the rack is positioned in the hollow stirring shaft and is in sliding connection with the hollow stirring shaft; the second spring is positioned in the hollow stirring shaft and between the hollow stirring shaft and the upper end of the rack; the second gear is positioned beside the rack and meshed with the rack; the stirring plate is positioned beside the second gear, the upper end of the stirring plate is provided with teeth, and the stirring plate is meshed with the second gear; the hinged part of the left half-round opening plate and the right half-round opening plate is tied with one end of the rope IV; the other end of the fourth rope is tied with the upper end of the rack, the fourth rope moves upwards to pull the rack to move upwards, the rack moves upwards to compress the spring II and drives the gear II to rotate, and the gear II drives the stirring plate to swing downwards. When the left semicircular open close plate and the right semicircular open plate are opened, the rope IV is pulled upwards, the rope IV drives the rack to move upwards, the rack moves upwards to drive the stirring plate to swing downwards, the discharge bin is provided with a cooling water path, the cooling water path is positioned in the inner wall of the discharge bin, the cooling water path cools liquid polyethylene, when the left semicircular open plate and the right semicircular open plate are opened, the liquid polyethylene flows downwards from the annular plate I and the annular plate II, the liquid polyethylene flows onto the impeller to drive the impeller to rotate, the impeller drives the hollow stirring shaft and the stirring plate to rotate, and the stirring plate stirs the polyethylene, so that the liquid polyethylene is uniformly cooled; when the liquid polyethylene flows onto the support, the support is pressed downwards, so that the whole stirring shaft, the support and the stirring plate move downwards, the stirring plate swings downwards, the stirring shaft and the stirring plate act together to press the polyethylene into a granulating opening for granulation, when the left semicircular open-close plate and the right semicircular open-close plate are closed, the left semicircular open-close plate and the right semicircular open-close plate are in sealing fit with the annular plate I, the polyethylene stops flowing downwards after the annular plate I and the annular plate II are in sealing fit, after the polyethylene on the support is discharged, the support is reset and ascended, the rack is reset, the stirring plate swings upwards, and the next granulation work is started.
The invention has the beneficial effects that:
1. according to the batch production method of the polyethylene plastic particles, the batch production method of the polyethylene plastic particles is improved through the polymerization reaction kettle, so that the polyethylene is uniformly heated during production, the polymerization degree is high and uniform, and the quality of the polyethylene plastic particles is improved; meanwhile, the invention utilizes the polyethylene autogenous property to automatically granulate the polyethylene immediately produced, thereby improving the efficiency of mass production of polyethylene plastic granules.
2. The invention relates to a batch production method of polyethylene plastic particles, which comprises the following steps of working through the mutual cooperation of a reaction chamber, a heater and a pressurizing and stirring module; the reaction chamber provides a reaction place for polyethylene synthesis, a high-temperature and high-pressure polymerization environment is provided for polymerization reaction by using the pressurizing and stirring module and the heater, the pressurizing and stirring module enables a polyethylene raw material to be heated uniformly after being stirred and the raw material proportion to be uniform, and the improvement of the production quality of polyethylene is facilitated; meanwhile, the automatic discharging module and the granulating module are matched with each other, so that the produced polyethylene can be automatically granulated in time, and the batch production efficiency of polyethylene plastic particles is improved.
3. According to the batch production method of the polyethylene plastic particles, the square shell, the blocking cloth, the knocking rod, the first gear, the upright post, the coil spring, the pull rope, the gas shaft, the gas conveying sleeve, the shaft sleeve, the reset spring and the stirring rod are matched with one another to work, so that reactants attached between the blocking cloth and the stirring rod and the square shell can automatically fall off while the pressurizing and stirring module pressurizes and stirs the polyethylene raw material, the polyethylene raw material is fully stirred and fully heated, waste of the polyethylene raw material is avoided, the utilization rate of the polyethylene raw material is improved, and the output quality of the polyethylene plastic particles is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of a method for mass production of polyethylene pellets according to the present invention;
FIG. 2 is a schematic view of a polymerization reactor according to the present invention;
FIG. 3 is a schematic structural view of a pressurized stirring module of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 2;
FIG. 5 is a schematic view of the connection of the air shaft to the square housing of the present invention;
FIG. 6 is a schematic view of the opening of the left half-round opening plate and the right half-round opening plate of the present invention;
in the figure: the device comprises a reaction chamber 1, a feed inlet 2, a heater 3, a pressurizing and stirring module 4, a square shell 41, a baffle cloth 411, a knocking rod 412, a first gear 413, a vertical column 414, a coil spring 415, a pull rope 416, an air shaft 42, an air conveying sleeve 43, a shaft sleeve 44, a return spring 441, a stirring rod 45, an automatic discharging module 5, a discharging bin 51, a buoyancy plate 52, a first rope 53, a left semicircular open-close plate 54, a right semicircular open-close plate 55, a first annular plate 56, a second annular plate 57, an electromagnet 58, a granulating module 6, a fourth rope 61, an impeller 62, a bracket 63, a hollow stirring shaft 64, a rack 65, a second spring 66, a second gear 67, a stirring plate 68, a granulating opening 69 and a fixing frame 7.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-6, the method for mass production of polyethylene plastic pellets according to the present invention comprises the following steps:
the method comprises the following steps: raw materials required by polyethylene production, including ethylene gas and a catalyst, are added into the reaction chamber 1 through the feed port 2, and the feed port 2 is closed;
step two: pressurizing the reaction chamber 1 by using a pressurizing and stirring module 4, keeping the pressure between 113 MPa and 196MPa, keeping the temperature in the reaction chamber 1 between 150 ℃ and 280 ℃ by using a heater 3, and uniformly mixing the raw materials in the reaction chamber 1; wherein, the reaction temperature is set according to the type of the initiator added in the later period;
step three: introducing initiator oxygen or peroxide into the reaction chamber 1 by using a pressurizing and stirring module 4 to polymerize ethylene at high pressure of 113-196 MPa;
step four: controlling the polyethylene to be discharged by using an automatic discharging module 5, and compressing and granulating the polymerized polyethylene by using a granulating module 6;
the polymerization reaction kettle in the first to fourth steps comprises a reaction chamber 1, a feeding hole 2, a heater 3, a pressurizing and stirring module 4, an automatic discharging module 5, a granulating module 6 and a fixing frame 7, wherein the fixing frame 7 is fixed on the ground; the reaction chamber 1 is positioned at the upper end of the fixing frame 7, the reaction chamber 1 is fixedly connected with the fixing frame 7, the reaction chamber 1 is used for polymerization reaction of polyethylene raw materials, the feeding hole 2 and the reaction chamber 1 of the automatic discharging module 5 are closed to form a closed space, and the high-pressure environment of the reaction chamber 1 can be ensured; the feed inlet 2 is positioned at the upper end of the reaction chamber 1, and the feed inlet 2 is used for conveying raw materials for preparing polyethylene into the reaction chamber 1; the heater 3 is positioned on the inner wall of the reaction chamber 1, and the heater 3 is used for heating raw materials for preparing polyethylene; the pressurizing and stirring module 4 is positioned in the center of the reaction chamber 1, and the pressurizing and stirring module 4 is used for pressurizing the reaction chamber 1 and stirring raw materials for preparing polyethylene; the automatic discharging module 5 is positioned at the lower end of the reaction chamber 1, and the automatic discharging module 5 is used for enabling the prepared polyethylene to flow downwards; the granulation module 6 is positioned at the lower end of the automatic discharging module 5, and the granulation module 6 is used for granulating the produced polyethylene.
The pressurizing and stirring module 4 comprises a square shell 41, a motor, a gas shaft 42, a gas conveying sleeve 43, a shaft sleeve 44 and a stirring rod 45, wherein the square shell 41 is positioned in the center of the reaction chamber 1; the motor is positioned outside the reaction chamber 1 and is used for driving the air shaft 42 to rotate; one end of the air shaft 42 is rotatably connected with the motor, the other end of the air shaft 42 extends into the square shell 41, the air shaft 42 is fixedly connected with the square shell 41, the air shaft 42 is a hollow shaft, and the air shaft 42 pressurizes the reaction chamber 1 through the stirring rod 45; the gas conveying sleeve 43 is rotatably connected with the gas shaft 42, the gas conveying sleeve 43 is positioned between the motor and the reaction chamber 1, the gas conveying sleeve 43 is communicated with the gas shaft 42, and the gas conveying sleeve 43 is used for introducing gas into the gas shaft 42; the shaft sleeves 44 are uniformly distributed around the air shaft 42, and the shaft sleeves 44 are vertically communicated with the air shaft 42; the stirring rod 45 is connected with the shaft sleeve 44 in a sliding mode, the stirring rod 45 is communicated with the shaft sleeve 44, the stirring rod 45 is a hollow rod with one closed end, and a plurality of air holes are formed in the stirring rod 45; the gas holes are used for releasing gas in the gas shaft 42. During operation, the gas conveying sleeve 43 is used for introducing ethylene gas into the gas shaft 42, the ethylene gas is pressurized into the reaction chamber 1 through the stirring rod 45, the motor is started, the motor rotates to drive the gas shaft 42 to rotate, the gas conveying sleeve 43 is fixed on the fixing frame 7, the gas shaft 42 rotates to drive the square shell 41 to rotate, the stirring rod 45 is used for stirring raw materials in the reaction chamber 1, and the polymerization reaction is performed fully and rapidly.
A return spring 441 is arranged between the shaft sleeve 44 and the stirring rod 45, and the return spring 441 is positioned in the shaft sleeve 44; the return spring 441 is used for returning the stirring rod 45 after being extruded; the upper end of the reaction chamber 1 is provided with a lug 46; the projection 46 is used for pushing the stirring rod 45 to make the reactant attached to the joint of the stirring rod 45 and the square housing 41 fall off. During operation, stirring rod 45 rotates, and lug 46 is touch to stirring rod 45, and stirring rod 45 is extrudeed and is got into axle sleeve 44, and stirring rod 45 and the adnexed reactant of square shell 41 handing-over department will break away from automatically for the raw materials reaction is more abundant, after stirring rod 45 breaks away from lug 46, and stirring rod 45 resets.
A plurality of pieces of blocking cloth 411 are arranged outside the square shell 41, and the blocking cloth 411 are densely overlapped; a knocking rod 412 is arranged inside the square shell 41, the tail end of the knocking rod 412 is provided with teeth, and a first gear 413 is arranged beside the knocking rod 412; the first gear 413 is meshed with the knocking rod 412, the upright 414 is arranged on the first gear 413, and the first gear 413 is vertically and fixedly connected with the upright 414; a coil spring 415 is sleeved at the lower part of the upright post 414, and a pull rope 416 is wound at the upper end of the upright post 414; one end of the coil spring 415 is fixedly connected with the upright column 414, the other end of the coil spring 415 is fixedly connected with the square shell 41, and the coil spring 415 is used for enabling the upright column 414 or the first gear 413 to reset after rotating; the shaft sleeve 44 is provided with a pull rope 416 hole for the pull rope 416 to pass through; one end of the pulling rope 416 is fixedly connected with the upright 414, the other end of the pulling rope 416 penetrates through a hole of the pulling rope 416 and is fixedly connected with the end part of the stirring rod 45, the pulling rope 416 is pulled by the stirring rod 45 to drive the first gear 413 to rotate, and the first gear 413 rotates positively and negatively to drive the knocking rod to knock the inner wall of the square shell 41 continuously, so that raw materials or reaction products on the separation blade outside the square shell 41 are vibrated and fall off from the square shell 41. During operation, the stirring rod 45 resets, stay cord 416 is drawn, stand 414 rotates, wind spring 415 winds, stand 414 drives gear 413 to rotate, gear 413 drive strikes pole 412 and strikes square casing 41, square casing 41 shakes, the outside fender cloth 411 shake of square casing 41, the reactant on the fender cloth 411 drops automatically, the reactant bonding has been avoided at square casing 41 surface, the waste of reactant has been avoided, make the reactant can fully react after droing, the utilization ratio of production polyethylene raw materials has been improved, and simultaneously, also reduce or reduce the gas pocket jam of reactant on to stirring rod 45, make the continuation work that pressurization stirring module 4 can be better.
The automatic discharging module 5 comprises a discharging bin 51, a buoyancy plate 52, a rope I53, a left semicircular opening plate 54, a right semicircular opening plate 55, an annular plate I56, an annular plate II 57 and an electromagnet 58, wherein the discharging bin 51 is positioned at the lower end of the reaction chamber 1, and the discharging bin 51 is communicated with the reaction chamber 1; the buoyancy plate 52 is positioned at the lower end of the reaction chamber 1, and the buoyancy plate 52 floats upwards to pull the rope I53 upwards; one end of the first rope 53 is connected with the buoyancy plate 52, the lower end of the first rope 53 is connected to the hinged position of the left semicircular open-close plate 54 and the right semicircular open-close plate 55, the first rope 53 is provided with a telescopic rod, the length of the telescopic rod is adjustable, the first rope 53 is pulled upwards, and the left semicircular open-close plate 54 and the right semicircular open-close plate 55 are pulled upwards; the left semicircular opening plate 54 is hinged with the right semicircular opening plate 55, the lower end of the annular plate I56 is tied with the annular plate II 57 through a set rope II, and the lower ends of the left semicircular opening plate 54 and the right semicircular opening plate 55 are tied with the annular plate I56 through a set rope III; the second annular plate 57 and the first annular plate 56 are both provided with electromagnets 58; the electromagnet 58 is used for adsorbing, sealing and jointing the left semicircular opening plate 54, the right semicircular opening plate 55 and the first annular plate 56, and the electromagnet 58 is used for adsorbing, sealing and jointing the first annular plate 56 and the second annular plate 57; the second annular plate 57 is fixedly connected with the inner wall of the discharging bin 51. When the reactor works, ethylene gas in the reaction chamber 1 is gradually converted into liquid polyethylene, the buoyancy plate 52 has larger buoyancy in the liquid polyethylene, the liquid polyethylene increases along with the progress of polymerization reaction, the liquid level of the polyethylene in the reaction chamber 1 rises, the buoyancy plate 52 floats upwards, the telescopic rod is stretched by the buoyancy plate 52, after the telescopic rod is completely stretched, the buoyancy plate 52 continuously floats upwards, the telescopic rod is pulled upwards, the rope I53 is pulled upwards, and the telescopic rod is used for straightening the buffer rope I53; the rope I53 pulls the left semicircle opening plate 54 and the right semicircle opening plate 55 to open, so that the left semicircle opening plate 54 and the right semicircle opening plate 55 are separated from the annular plate II 57, simultaneously, the second annular plate 57 is pulled to be separated from the first annular plate 56, the liquid polyethylene flows downwards from the gap between the left semicircular opening plate 54, the right semicircular opening plate 55 and the second annular plate 57, the liquid polyethylene flows downwards from the gap between the second annular plate 57 and the first annular plate 56, when excessive liquid polyethylene flows away, the polyethylene liquid level at the upper end of the discharging bin 51 descends, the telescopic rod is reset, the first rope 53 is loosened, the left semicircular open-close plate 54 and the right semicircular open-close plate 55 are closed, under the action of gravity or magnetic force, the left semicircular open-close plate 54 and the right semicircular open-close plate 55 are in adsorption sealing joint with the first annular plate 56, the first annular plate 56 is in adsorption sealing joint with the second annular plate 57, and the polyethylene stops flowing downwards.
The granulating module 6 comprises a rope IV 61, an impeller 62, a bracket 63, a hollow stirring shaft 64, a rack 65, a spring II 66, a gear II 67, a stirring plate 68 and a granulating port 69, wherein the granulating port 69 is positioned at the lower end of the discharging bin 51, and the granulating port 69 is used for granulating polyethylene; the support 63 is annular, and the support 63 is provided with a liquid leakage hole for downward leakage of the liquid polyethylene; the hollow stirring shaft 64 is positioned at the discharging bin 51, the hollow stirring shaft 64 is in sliding connection with the discharging bin 51 through a support 63, the hollow stirring shaft 64 is in rotating connection with the support 63, and liquid polyethylene falls into the support 63 to push the hollow stirring shaft 64 and a stirring plate 68 to move downwards to extrude lower viscous polyethylene to be granulated through a granulating port 69; a third spring is arranged on the side wall of the discharging bin 51 and used for resetting and rising after the support 63 moves downwards; the impeller 62 is positioned at the upper end of the hollow stirring shaft 64, the impeller 62 is fixedly connected with the hollow stirring shaft 64 into a whole, and the liquid polyethylene falls into the impeller 62 to drive the impeller 62 to rotate; the rack 65 is positioned in the hollow stirring shaft 64, and the rack 65 is connected with the hollow stirring shaft 64 in a sliding manner; the second spring 66 is positioned in the hollow stirring shaft 64, and the second spring 66 is positioned between the hollow stirring shaft 64 and the upper end of the rack 65; the second gear 67 is positioned beside the rack 65, and the second gear 67 is meshed with the rack 65; the stirring plate 68 is positioned beside the second gear 67, the upper end of the stirring plate 68 is provided with teeth, and the stirring plate 68 is meshed with the second gear 67; the hinged part of the left semicircular opening plate 54 and the right semicircular opening plate 55 is tied with one end of a rope IV 61; the other end of the fourth rope 61 is tied with the upper end of the rack 65, the fourth rope 61 moves upwards to pull the rack 65 to move upwards, the rack 65 moves upwards to compress the second spring 66, the rack 65 drives the second gear 67 to rotate, and the second gear 67 drives the stirring plate 68 to swing downwards. When the polyethylene mixer works, the left semicircular opening plate 54 and the right semicircular opening plate 55 are opened, the rope IV 61 is pulled upwards, the rope IV 61 drives the rack 65 to move upwards, the rack 65 moves upwards to drive the stirring plate 68 to swing downwards, the discharging bin 51 is provided with a cooling water path which is positioned in the inner wall of the discharging bin 51 and used for cooling liquid polyethylene, when the left semicircular opening plate 54 and the right semicircular opening plate 55 are opened, the liquid polyethylene flows downwards from the annular plate I56 and the annular plate II 57 and flows onto the impeller 62 to drive the impeller 62 to rotate, the impeller 62 drives the hollow stirring shaft 64 and the stirring plate 68 to rotate, and the stirring plate 68 stirs the polyethylene to uniformly cool the liquid polyethylene; when the liquid polyethylene flows onto the support 63, the support 63 is pressed down to move the whole stirring shaft, the support 63 and the stirring plate 68 downward, the stirring plate 68 swings downward, the stirring shaft and the stirring plate 68 act together to press the polyethylene into the granulating opening 69 for granulation, when the left semicircular open close plate 54 and the right semicircular open plate 55 are closed, the left semicircular open plate 54 and the right semicircular open plate 55 are in sealing fit with the annular plate I56, the annular plate I56 and the annular plate II 57 are in sealing fit, the polyethylene stops flowing down, after the polyethylene on the support 63 is discharged, the support 63 is reset and ascended, the rack 65 is reset, the stirring plate 68 swings upward, and the next granulation operation is started.
The specific operation flow is as follows:
when in use, raw materials, ethylene gas and catalyst required by polyethylene production are added into the reaction chamber 1 through the feed inlet 2, and the feed inlet 2 is closed; introducing ethylene gas into the gas shaft 42 by using the gas conveying sleeve 43, pressurizing the ethylene gas into the reaction chamber 1 by using the stirring rod 45, keeping the pressure between 113 MPa and 196MPa, keeping the temperature in the reaction chamber 1 between 150 ℃ and 280 ℃ by using the heater 3, and introducing initiator oxygen or peroxide into the reaction chamber 1 by using the gas shaft 42 to polymerize the ethylene at high pressure; starting a motor, wherein the motor rotates to drive an air shaft 42 to rotate, a gas conveying sleeve 43 is fixed on a fixed frame 7, and the air shaft 42 rotates to drive a square shell 41 to rotate, so that a stirring rod 45 is used for stirring raw materials in the reaction chamber 1, and the polymerization reaction is fully and quickly carried out; meanwhile, the stirring rod 45 rotates, the stirring rod 45 touches the bump 46, the stirring rod 45 is extruded into the shaft sleeve 44, reactants attached to the joint of the stirring rod 45 and the square shell 41 are automatically separated, so that the raw materials are more fully reacted, and after the stirring rod 45 is separated from the bump 46, the stirring rod 45 is reset; after the stirring rod 45 resets, the stay cord 416 is drawn, the stand 414 rotates, the wind spring 415 winds, the stand 414 drives the gear 413 to rotate, the gear 413 drives the knocking rod 412 to knock the square shell 41, the square shell 41 shakes, the outside cloth 411 of the square shell 41 shakes, the reactant on the cloth 411 automatically drops, the reactant is prevented from being bonded on the outer surface of the square shell 41, the waste of the reactant is avoided, the reactant can fully react after dropping, the utilization rate of the polyethylene raw material is improved, meanwhile, the air hole blockage of the reactant on the stirring rod 45 is reduced or reduced, and the pressurizing and stirring module 4 can work better.
When the ethylene gas in the reaction chamber 1 is gradually converted into liquid polyethylene, the buoyancy plate 52 has larger buoyancy in the liquid polyethylene, the liquid polyethylene increases along with the polymerization reaction, the liquid level of the polyethylene in the reaction chamber 1 rises, the buoyancy plate 52 floats upwards, the buoyancy plate 52 elongates the telescopic rod, after the telescopic rod is completely elongated, the buoyancy plate 52 continuously floats upwards, the telescopic rod is pulled upwards, the rope I53 is pulled upwards, and the telescopic rod is used for straightening the buffer rope I53; the rope I53 pulls the left half-round open close board 54 and the right half-round open close board 55 to open, so that the left half-round open close board 54 and the right half-round open close board 55 are separated from the ring board II 57, the ring board II 57 is pulled to separate from the ring board I56, the liquid polyethylene flows downwards from the gap between the left half-round open close board 54, the right half-round open board 55 and the ring board II 57, the liquid polyethylene flows downwards from the gap between the ring board II 57 and the ring board I56, when the left half-round open board 54 and the right half-round open board 55 are opened, the rope IV 61 is pulled upwards, the rope IV 61 drives the rack 65 to move upwards, the rack 65 moves upwards to drive the stirring board 68 to swing downwards, the discharging bin 51 is provided with a cooling water path which is positioned in the inner wall of the discharging bin 51 to cool the liquid polyethylene, and when the left half-round open close board 54 and the right half-round open close board 55, the liquid polyethylene flows downwards from the ring board I56 and the ring board II 57, the liquid polyethylene flows onto the impeller 62 to drive the impeller 62 to rotate, the impeller 62 drives the hollow stirring shaft 64 and the stirring plate 68 to rotate, and the stirring plate 68 stirs the polyethylene to uniformly cool the liquid polyethylene; when the liquid polyethylene flows onto the bracket 63, the bracket 63 is pressed downwards, so that the whole stirring shaft, the bracket 63 and the stirring plate 68 move downwards, the stirring plate 68 swings downwards, the stirring shaft and the stirring plate 68 act together to press the polyethylene into the granulating opening 69 for granulation, after excessive liquid polyethylene flows away, the polyethylene liquid level at the upper end of the discharging bin 51 descends, the telescopic rod resets, the rope I53 is loosened, the left semicircular open-close plate 54 and the right semicircular open-close plate 55 are closed, under the action of gravity or magnetic force, the left semicircular open-close plate 54 and the right semicircular open-close plate 55 are adsorbed, sealed and attached to the annular plate I56, the annular plate I56 is adsorbed, sealed and attached to the annular plate II 57, and the polyethylene stops flowing downwards; after the polyethylene on the support 63 is discharged, the support 63 is reset and ascended, the rack 65 is reset, the stirring plate 68 is swung upwards, and the next granulation operation is waited to start.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. A method for mass production of polyethylene plastic particles is characterized in that: the production method comprises the following steps:
the method comprises the following steps: adding raw materials required by polyethylene production into a polymerization reaction kettle, wherein the raw materials comprise ethylene gas and a catalyst, and closing a feed inlet (2);
step two: pressurizing the polymerization reaction kettle to keep the pressure between 113 MPa and 196MPa and the temperature between 150 ℃ and 280 ℃ in the polymerization reaction kettle, and uniformly mixing the raw materials in the polymerization reaction kettle; wherein, the reaction temperature is set according to the type of the initiator added in the later period;
step three: introducing initiator oxygen or peroxide into the polymerization reaction kettle to polymerize ethylene under high pressure of 113-196 MPa;
step four: compressing and granulating the polymerized polyethylene by using a polymerization reaction kettle;
the polymerization reaction kettle in the first to fourth steps comprises a reaction chamber (1), a feeding hole (2), a heater (3), a pressurizing and stirring module (4), an automatic discharging module (5), a granulating module (6) and a fixing frame (7), wherein the reaction chamber (1) is positioned at the upper end of the fixing frame (7), the reaction chamber (1) is fixedly connected with the fixing frame (7), and the reaction chamber (1) is used for polymerization reaction of polyethylene raw materials; the feed inlet (2) is positioned at the upper end of the reaction chamber (1), and the feed inlet (2) is used for conveying raw materials for preparing polyethylene into the reaction chamber (1); the heater (3) is positioned on the inner wall of the reaction chamber (1), and the heater (3) is used for heating raw materials for preparing polyethylene; the pressurizing and stirring module (4) is positioned in the center of the reaction chamber (1), and the pressurizing and stirring module (4) is used for pressurizing the reaction chamber (1) and stirring raw materials for preparing polyethylene; the automatic discharging module (5) is positioned at the lower end of the reaction chamber (1), and the automatic discharging module (5) is used for enabling the prepared polyethylene to flow downwards; the granulation module (6) is positioned at the lower end of the automatic discharging module (5), and the granulation module (6) is used for granulating the produced polyethylene;
the automatic discharging module (5) comprises a discharging bin (51), a buoyancy plate (52), a rope I (53), a left semicircular opening plate (54), a right semicircular opening plate (55), an annular plate I (56), an annular plate II (57) and an electromagnet (58), wherein the discharging bin (51) is positioned at the lower end of the reaction chamber (1), and the discharging bin (51) is communicated with the reaction chamber (1); one end of the first rope (53) is connected with the buoyancy plate (52), the lower end of the first rope (53) is connected to the hinged position of the left semicircular opening plate (54) and the right semicircular opening plate (55), and a telescopic rod is arranged on the first rope (53) and is adjustable in length; the buoyancy plate (52) is positioned at the lower end of the reaction chamber (1), and the buoyancy plate (52) floats upwards to pull the first rope (53) upwards; the left semicircular opening plate (54) is hinged with the right semicircular opening plate (55), the lower end of the annular plate I (56) is tied with the annular plate II (57) through a set rope II, and the lower ends of the left semicircular opening plate (54) and the right semicircular opening plate (55) are tied with the annular plate I (56) through a set rope III; electromagnets (58) are arranged on the second annular plate (57) and the first annular plate (56); the electromagnet (58) is used for adsorbing, sealing and jointing the left semicircular opening plate (54), the right semicircular opening plate (55) and the annular plate I (56), and the electromagnet (58) is used for adsorbing, sealing and jointing the annular plate I (56) and the annular plate II (57); and the second annular plate (57) is fixedly connected with the inner wall of the discharging bin (51).
2. The method for mass production of polyethylene plastic pellets according to claim 1, wherein: the pressurizing and stirring module (4) comprises a square shell (41), a motor, a gas shaft (42), a gas conveying sleeve (43), a shaft sleeve (44) and a stirring rod (45), wherein the square shell (41) is positioned in the center of the reaction chamber (1); the motor is positioned outside the reaction chamber (1) and is used for driving the air shaft (42) to rotate; one end of the air shaft (42) is rotatably connected with the motor, the other end of the air shaft (42) extends into the square shell (41), the air shaft (42) is fixedly connected with the square shell (41), the air shaft (42) is a hollow shaft, and the air shaft (42) pressurizes the reaction chamber (1) through the stirring rod (45); the gas conveying sleeve (43) is rotatably connected with the gas shaft (42), the gas conveying sleeve (43) is positioned between the motor and the reaction chamber (1), the gas conveying sleeve (43) is communicated with the gas shaft (42), and the gas conveying sleeve (43) is used for introducing gas into the gas shaft (42); the shaft sleeves (44) are uniformly distributed around the air shaft (42), and the shaft sleeves (44) are vertically communicated with the air shaft (42); the stirring rod (45) is connected with the shaft sleeve (44) in a sliding mode, the stirring rod (45) is communicated with the shaft sleeve (44), the stirring rod (45) is a hollow rod with one closed end, and a plurality of air holes are formed in the stirring rod (45); the gas hole is used for releasing gas in the gas shaft (42).
3. The method for mass production of polyethylene plastic pellets according to claim 2, wherein: a return spring (441) is arranged between the shaft sleeve (44) and the stirring rod (45), and the return spring (441) is positioned in the shaft sleeve (44); the return spring (441) is used for returning the stirring rod (45) after being extruded; the upper end of the reaction chamber (1) is provided with a lug (46); the lug (46) is used for pushing the stirring rod (45) to enable reactants attached to the joint of the stirring rod (45) and the square shell (41) to fall off.
4. The method for mass production of polyethylene plastic pellets according to claim 3, wherein: a plurality of pieces of blocking cloth (411) are arranged outside the square shell (41), and the blocking cloth (411) are densely overlapped; a knocking rod (412) is arranged inside the square shell (41), the tail end of the knocking rod (412) is provided with teeth, and a first gear (413) is arranged beside the knocking rod (412); the first gear (413) is meshed with the knocking rod (412), the first gear (413) is provided with an upright column (414), and the first gear (413) is vertically and fixedly connected with the upright column (414); a coil spring (415) is sleeved at the lower part of the upright post (414), and a pull rope (416) is wound at the upper end of the upright post (414); one end of the coil spring (415) is fixedly connected with the upright column (414), the other end of the coil spring (415) is fixedly connected with the square shell (41), and the coil spring (415) is used for enabling the upright column (414) or the first gear (413) to reset after rotating; one end of the pull rope (416) is fixedly connected with the upright column (414), the other end of the pull rope (416) is fixedly connected with the stirring rod (45), the pull rope (416) is pulled by the stirring rod (45) to drive the first gear (413) to rotate, the first gear (413) rotates in a positive and negative mode to drive the knocking rod to knock the inner wall of the square shell (41) continuously, and therefore raw materials or reaction products on a separation blade outside the square shell (41) are vibrated and fall down from the square shell (41).
5. The method for mass production of polyethylene plastic pellets as claimed in claim 4, wherein: the granulating module (6) comprises a rope IV (61), an impeller (62), a support (63), a hollow stirring shaft (64), a rack (65), a spring II (66), a gear II (67), a stirring plate (68) and a granulating opening (69), wherein the granulating opening (69) is positioned at the lower end of the discharging bin (51), and the granulating opening (69) is used for granulating polyethylene; the support (63) is annular, and the support (63) is provided with a liquid leakage hole for downward leakage of the liquid polyethylene; the hollow stirring shaft (64) is positioned at the discharge bin (51), the hollow stirring shaft (64) is in sliding connection with the discharge bin (51) through a support (63), the hollow stirring shaft (64) is in rotating connection with the support (63), and the liquid polyethylene falls into the support (63) to push the hollow stirring shaft (64) and a stirring plate (68) to move downwards to extrude the lower viscous polyethylene to be granulated through a granulating port (69); the impeller (62) is positioned at the upper end of the hollow stirring shaft (64), the impeller (62) and the hollow stirring shaft (64) are fixedly connected into a whole, and the liquid polyethylene falls into the impeller (62) to drive the impeller (62) to rotate; the rack (65) is positioned in the hollow stirring shaft (64), and the rack (65) is connected with the hollow stirring shaft (64) in a sliding manner; the second spring (66) is positioned in the hollow stirring shaft (64), and the second spring (66) is positioned between the hollow stirring shaft (64) and the upper end of the rack (65); the second gear (67) is positioned beside the rack (65), and the second gear (67) is meshed with the rack (65); the stirring plate (68) is located beside the second gear (67), the upper end of the stirring plate (68) is provided with teeth, and the stirring plate (68) is meshed with the second gear (67); the hinged part of the left semicircular opening plate (54) and the right semicircular opening plate (55) is tied with one end of a rope IV (61); the other end of the fourth rope (61) is tied with the upper end of the rack (65), the fourth rope (61) moves upwards to pull the rack (65) to move upwards, the rack (65) moves upwards to compress the second spring (66), the rack (65) drives the second gear (67) to rotate, and the second gear (67) drives the stirring plate (68) to swing downwards.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2311527Y (en) * | 1996-04-17 | 1999-03-24 | 梁成伸 | Up-down flushing valve for outlet of cistern |
| CN2393216Y (en) * | 1999-08-17 | 2000-08-23 | 刘汉明 | Water-suction controller for on-off of liquid-level switch, hydraulic switch |
| CN102767393A (en) * | 2012-07-16 | 2012-11-07 | 中国矿业大学 | Negative pressure automatic water discharge device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3201244B1 (en) * | 2014-10-01 | 2019-04-10 | Basell Polyolefine GmbH | Low density polyethylene with high elongation hardening |
| CN105478070B (en) * | 2015-12-28 | 2019-06-04 | 金爱莲 | A kind of reaction tower with Pneumatic mixing device |
| CN205392277U (en) * | 2016-03-03 | 2016-07-27 | 重庆市肿瘤研究所 | Closed automatic stirring device |
| CN106390803A (en) * | 2016-11-01 | 2017-02-15 | 安陆华生摩丝网络科技有限公司 | Liquid material stirring equipment based on Internet of Things |
| CN206276385U (en) * | 2016-12-16 | 2017-06-27 | 浙江德远化工有限公司 | A kind of horizontal reacting kettle |
| CN206306290U (en) * | 2016-12-22 | 2017-07-07 | 德安县塑丽龙纺织有限公司 | One kind automation polyethylene particles manufacturing system |
| CN207402981U (en) * | 2017-11-10 | 2018-05-25 | 重庆中检工程质量检测有限公司 | Cement concrete mixer |
-
2018
- 2018-06-05 CN CN201810569474.6A patent/CN108424483B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2311527Y (en) * | 1996-04-17 | 1999-03-24 | 梁成伸 | Up-down flushing valve for outlet of cistern |
| CN2393216Y (en) * | 1999-08-17 | 2000-08-23 | 刘汉明 | Water-suction controller for on-off of liquid-level switch, hydraulic switch |
| CN102767393A (en) * | 2012-07-16 | 2012-11-07 | 中国矿业大学 | Negative pressure automatic water discharge device |
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