CN109441834B - Pneumatic submersible pump and use method thereof - Google Patents
Pneumatic submersible pump and use method thereof Download PDFInfo
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- CN109441834B CN109441834B CN201811568135.2A CN201811568135A CN109441834B CN 109441834 B CN109441834 B CN 109441834B CN 201811568135 A CN201811568135 A CN 201811568135A CN 109441834 B CN109441834 B CN 109441834B
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- oil storage
- storage cavity
- muffler
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- 238000000034 method Methods 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 239000003595 mist Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 69
- 239000010865 sewage Substances 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 6
- 230000030279 gene silencing Effects 0.000 description 5
- 239000002817 coal dust Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- -1 dirt Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000006061 abrasive grain Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/04—Units comprising pumps and their driving means the pump being fluid driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/30—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F01C1/34—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members
- F01C1/344—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C13/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01C13/04—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby for driving pumps or compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C20/00—Control of, monitoring of, or safety arrangements for, machines or engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/04—Lubrication
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a pneumatic submersible pump and a use method thereof, which belong to the field of submersible pumps and solve the problems of service life and reliability.
Description
Technical Field
The invention relates to the field of submersible pumps, in particular to a pneumatic submersible pump.
Background
The pneumatic submersible pump power machine takes compressed air as a medium, and the compressed air with the gauge pressure of 0.3-0.7 mpa enters a cylinder or a turbine to do expansion work (the air cannot be completely expanded in an exhaust cavity and has certain pressure), so that the air is exhausted to the atmosphere at certain pressure and flow rate, and energy and great exhaust noise are generated. Researchers have studied vane residual pressures on the order of about 0.3 to 0.35mpa, while turbine and gear type pneumatic motors have greater residual pressures.
For the application of the existing sewage submersible pump, the electric submersible pump is driven by a motor, and runs underwater, so that efficient sealing is needed to avoid potential leakage hazards. Therefore, the pneumatic submersible pump is adopted, and potential safety hazards of the circuit can be avoided. However, for the existing pneumatic submersible pump structure, the structural design of the cylinder and the fan blade is not optimized enough, so that the abrasion of the fan blade is easy to cause, the aerodynamic efficiency is low, and the service life is not long.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent. In view of the above, the invention aims to provide a pneumatic submersible pump which has the advantages of improved shaft power, strong pollution discharge capability and long service life.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a pneumatic submersible pump, includes the air pipe joint that is used for connecting outside air supply, connects in the oil mist ware of air pipe joint, connects in oil mist ware below and receive air supply and atomized oil and be used for converting the air supply into rotary power's pneumatic motor, connect in pneumatic motor's power take off end and have the water inlet the water pump main part, connect in the drainage joint of water pump main part output and connect in pneumatic motor gas vent's silencer, the oil mist ware includes the first cylinder body that has first inner chamber and oil storage cavity, sets up on the oil storage cavity towards the air pipe joint direction first pneumatic valve, sets up in oil storage cavity below and towards pneumatic motor's second pneumatic valve and be located the oiling mouth of oil storage cavity on the first cylinder body and be connected, first inner chamber and air pipe joint intercommunication, when air supply pressure does not reach the setting, the oil storage cavity is in the confined state, and when air supply pressure reaches the setting, the inside fluid atomizing blowout of oil storage cavity.
Through the setting, after the air pipe joint is connected with an external air source, the air flow passes through the oil mist device and reaches the air motor, in order to improve the service life of the air motor, the oil mist device is designed into a first inner cavity and an oil storage cavity, the first inner cavity directly sends the air flow into the air motor, the oil storage cavity is controlled by a first air valve and a second air valve, and the opening and closing of the oil storage cavity are controlled by air pressure. The optimal design oil storage cavity for oil storage cavity's space increases, and the oil storage volume improves, has the oiling mouth to annotate, and is simple and convenient, improves lubrication time duration.
The specific scheme of the invention can be preferably as follows: the first cylinder body comprises an outer shell part, an inner shell part and an end cover part, wherein the outer shell part and the inner shell part are integrated to form an annular oil storage cavity, the end cover part is fixed on the outer shell part and the inner shell part, a mounting hole for connecting an air supply pipe joint is reserved at the middle position, the mounting hole is communicated with a first inner cavity through the inner wall of the inner shell part, an oil injection part communicated with the oil storage cavity is arranged at the bottom of the inner shell part and the outer shell part and is transversely communicated with the oil storage cavity, a first air valve is arranged in the middle of the mounting hole, and a second air valve is arranged at a position close to the inner wall of the outer shell part.
Through above-mentioned setting, the structure of first cylinder body needs to bear atmospheric pressure to keep the airtight nature of oil storage cavity, prevent that oil storage cavity fluid from revealing and consider the convenience of oiling, so the design of end cover, shell portion and inner shell portion forms the oil storage cavity. The first air valve can be close to the air pipe interface, can be more rapidly influenced by external air source pressure, and the second air valve can be convenient for the oil liquid with an atomization state to enter the pneumatic motor after being opened.
The specific scheme of the invention can be preferably as follows: the pneumatic motor comprises a second cylinder body, a lower base arranged in the second cylinder body, a stator which is connected to the lower base and is arranged in the second cylinder body, a rotor shaft arranged in the stator, a plurality of fan blades nested on the peripheral wall of the rotor, and an upper base sleeved on the rotor shaft and limited on the second cylinder body, wherein the upper base is provided with an air hole with a position corresponding to that of a second air valve, the stator is provided with a plurality of air passages for generating lateral power, and the side wall of the second cylinder body is provided with an air outlet.
Through the arrangement, the aerodynamic force of the pneumatic motor is filled from top to bottom, wind force is converted into circumferential force through the stator, at the moment, the stator and the rotating shaft move relatively, the air passage changes the air flow direction, so that the driving moment and the driving efficiency are improved, the working life of the pneumatic motor is prolonged, and the abrasion is reduced and the heat dissipation is improved due to atomized oil in the air. The service life of the fan blade is longer.
The specific scheme of the invention can be preferably as follows: the fan blades are made of wood materials.
Through above-mentioned setting, the fan blade adopts wooden material, so the structure texture is lighter, and wearing and tearing and the collision that take place with the stator are lighter relatively, and the wearing and tearing degree reduces by a wide margin, and life increases.
The specific scheme of the invention can be preferably as follows: the rotor shaft is provided with a limit groove for installing the fan blade, the fan blade can move in the radial direction in the limit groove, and a gap is reserved between the fan blade and the inner wall of the stator for the radial movement of the fan blade.
Through the arrangement, the fan blades can be moved by centrifugal force in the process of being driven to rotate by wind power, and are rotated and started by the wind power to be brought to the rotor shaft to rotate, so that the conversion rate of converting the wind power into rotary power can be improved.
The specific scheme of the invention can be preferably as follows: the water pump main body comprises a water inlet base, a pump shell fixed on the water inlet base, an impeller positioned in the shell and a connecting cover fixed on the pump shell, wherein a water inlet is reserved at the central position of the pump body, and the side wall of the pump body extends out of the water outlet.
Through the arrangement, a downdraft mode is adopted, when the impeller rotates, negative pressure is formed in the pump shell, sewage is pumped in from the bottom of the shell, and is discharged to the water outlet through the impeller.
The specific scheme of the invention can be preferably as follows: the bottom of the water inlet base is closed, and the side wall of the water inlet base is provided with a plurality of sieve holes.
Through the arrangement, due to the design of the sieve holes, the sieve holes cannot be damaged too early due to the suction of abrasive media, the service life is prolonged, the device can be used for pumping and draining sewage in dangerous places of methane or coal dust explosion, and the device can be widely used for underground working surfaces of coal mines and conveying underground water with solid particles such as dirt, coal dust and silt.
The specific scheme of the invention can be preferably as follows: the muffler is in threaded connection with the exhaust port, and an outlet of the muffler is an inclined plane notch.
Through the arrangement, the muffler is convenient to install, and the inclined plane notch is used for facilitating the discharge of air with oil, so that the muffler can play a role in guiding on wind direction.
The specific scheme of the invention can be preferably as follows: the silencer comprises an outer shell and a silencing part welded on the inner shell, wherein a plurality of silencing holes are formed in the outer side wall of the silencing part, and a silencing base material is arranged in the silencing part.
Through above-mentioned setting, can effectively reduce the air noise for air noise and fluid can effectively condense and collect.
On the other hand, the using method of the pneumatic submersible pump comprises the following steps of:
The air pipe joint is connected to control the air pressure of the air source; the air pressure of the air source is controlled to be in a first period from a set value to a lower working value, the air pressure of the air source is controlled to be in a second period from the set value, and the first period and the second period are continuous, intermittent or alternate.
Through the arrangement, the air pressure of the air source is controlled, so that the pneumatic submersible pump can work in different working states, and the service life and the pumping efficiency can be adjusted. Is suitable for the adjustment requirements under different working conditions.
The technical effects of the invention are mainly as follows: the structure is convenient and quick to assemble; the working efficiency is high, the shaft power is improved, and the pollution discharge capacity is high; the service life is long; the working modes are various.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment;
FIG. 2 is an exploded view of the structure from one perspective of the embodiment as a whole; ;
FIG. 3 is a schematic view of the structure of an oil atomizer according to an embodiment;
FIG. 4 is a schematic view of an embodiment of an oil mist sprayer from another perspective;
FIG. 5 is a cross-sectional view of the structure of the oil atomizer according to the embodiment;
FIG. 6 is an exploded view of an alternative view of the air motor of the embodiment;
FIG. 7 is an exploded view of a water pump body from another perspective in an embodiment;
fig. 8 is a structural cross-sectional view of the muffler in the embodiment.
Reference numerals: 1. an air pipe joint; 2. an oil mist device; 21. a first cylinder; 211. a first lumen; 212. an oil storage chamber; 213. a housing portion; 214. an inner shell portion; 215. an end cap portion; 2150. a mounting hole; 216. an oiling section; 22. a first air valve; 23. a second air valve; 24. an oil filling port; 3. a pneumatic motor; 31. a second cylinder; 311. an exhaust port; 32. a lower base; 33. a stator; 331. an airway; 34. a rotor shaft; 341. a limit groove; 35. a fan blade; 36. an upper base; 361. air holes; 4. a water pump main body; 41. a water inlet base; 411. a sieve pore; 42. a pump housing; 421. a water outlet; 422. a water inlet; 43. an impeller; 44. a connection cover; 5. a drain joint; 6. a muffler; 61. bevel cuts; 62. an acoustic cancellation unit; 63. a housing; 64. a sound deadening hole; 65. a sound deadening substrate.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the present invention to make the technical solution of the present invention easier to understand and grasp, and should not be construed as limiting the present invention.
Examples:
A pneumatic submersible pump, as shown with reference to fig. 1 and 2, includes an air pipe joint 1 for connecting an external air source, an oil atomizer 2 connected to the air pipe joint 1, a pneumatic motor 3 connected to a lower portion of the oil atomizer 2 and receiving the air source and atomized oil and for converting the air source into rotational power, a water pump body 4 connected to a power output end of the pneumatic motor 3 and having a water inlet 422, a drain joint 5 connected to an output end of the water pump body 4, and a muffler 6 connected to an exhaust port 311 of the pneumatic motor 3. For the external air source, it may be generated by an air pump or an air source generating device.
As for the oil mist device 2, as shown in fig. 3, 4 and 5, the oil mist device 2 includes a first cylinder 21 having a first inner cavity 211 and an oil reservoir chamber 212, a first air valve 22 provided on the oil reservoir chamber 212 in a direction toward the air pipe joint 1, a second air valve 23 provided below the oil reservoir chamber 212 and toward the air motor 3, and an oil filling port 24 provided on the first cylinder 21 and communicating with the oil reservoir chamber 212, the first inner cavity 211 and the air pipe joint 1 are communicated, when the air source pressure does not reach a set value, the oil reservoir chamber 212 is in a closed state, and when the air source pressure reaches a set value, the oil in the oil reservoir chamber 212 is atomized and sprayed. The first air valve 22 and the second air valve 23 can be opened and closed by external air pressure. In addition, the second air valve 23 can atomize oil, and an atomizing air valve part on the market is adopted.
In fig. 5, the first cylinder 21 includes an outer shell 63 portion 213, an inner shell portion 214, and an end cap portion 215, the outer shell 63 portion 213 and the inner shell portion 214 are integrated to form an annular oil storage chamber 212, the end cap portion 215 is fixed to the outer shell 63 portion 213 and the inner shell portion 214 and has a mounting hole 2150 in the middle, to which the air supply pipe joint 1 is connected, the mounting hole 2150 is communicated with the first inner cavity 211 through the inner wall of the inner shell portion 214, an oil injection portion 216, which is communicated with the oil storage chamber 212 and penetrates transversely, is provided below the inner shell portion 214 and the outer shell 63 portion 213, the first air valve 22 is located in the middle of the mounting hole 2150, and the second air valve 23 is located near the inner wall of the outer shell 63 portion 213.
The structure of the first cylinder 21 needs to withstand air pressure and to maintain the tightness of the oil storage chamber 212, prevent leakage of oil from the oil storage chamber 212 and allow for ease of oil injection, so the design of the end cap, the outer shell 63 portion 213 and the inner shell portion 214 forms the oil storage chamber 212. The first air valve 22 can be close to the air pipe interface, can be influenced by external air source pressure more quickly, and the second air valve 23 can be convenient for the oil liquid with atomization state to enter the air motor 3 after being opened.
Referring further to fig. 2 and 6, the air motor 3 includes a second cylinder 31, a lower base 32 disposed inside the second cylinder 31, a stator 33 received on the lower base 32 and disposed inside the second cylinder 31, a rotor shaft 34 disposed inside the stator 33, a plurality of blades 35 nested on a peripheral wall of the rotor, and an upper base 36 sleeved on the rotor shaft 34 and restrained on the second cylinder 31. The fan blade 35 is made of wood. The blade 35 is made of wood, so that the structure is light, the abrasion and collision with the stator 33 are relatively gentle, the abrasion degree is greatly reduced, and the service life is prolonged. The upper base 36 is provided with an air hole 361 corresponding to the second air valve 23, the stator 33 is provided with a plurality of air passages 331 for generating lateral power, and the side wall of the second cylinder 31 is provided with an air outlet 311.
The aerodynamic force of the pneumatic motor 3 is filled from top to bottom, wind force is converted into circumferential force through the stator 33, at the moment, the stator 33 and the rotating shaft move relatively, the air passage 331 changes the air flow direction, so that the driving moment and the driving efficiency are improved, the working life of the pneumatic motor 3 is prolonged, and the abrasion is reduced and the heat dissipation is improved due to atomized oil in the air. The service life of the fan blade 35 is longer.
The rotor shaft 34 is provided with a limit groove 341 for installing the fan blade 35, the fan blade 35 can move in the radial direction in the limit groove 341, and a space is reserved between the fan blade 35 and the inner wall of the stator 33 for radial movement of the fan blade 35. The fan blade 35 is capable of being moved by centrifugal force and rotated by wind force during rotation of the fan blade driven by wind force, and is rotated and started by wind force, and is brought to the rotor shaft 34 to rotate, whereby the conversion rate of wind force into rotational power can be improved.
In addition, as for the water pump body 4, as shown in fig. 2 and 7, the water pump body 4 includes a water inlet base 41, a pump casing 42 fixed to the water inlet base 41, an impeller 43 positioned in the casing, and a connection cover 44 fixed to the pump casing 42, a water inlet 422 is provided at a central position of the pump casing, and a water outlet 421 is extended from a side wall of the pump casing. When the impeller 43 rotates, negative pressure is formed in the pump casing 42 by the downdraft mode, sewage is sucked in from the bottom of the casing, and is discharged to the drain port 421 through the impeller 43. The bottom of the water inlet base 41 is closed and the side wall is provided with a number of sieve holes 411. Because the sieve holes 411 are designed, the sand grain type sewage pump can not be damaged too early due to the suction of the abrasive grain type medium, the service life is prolonged, the sand grain type sewage pump can be used for pumping and draining sewage in methane or coal dust explosion dangerous places, and the sand grain type sewage pump can be widely used for underground working surfaces of coal mines and conveying underground water with solid particles such as dirt, coal dust and silt.
As for the muffler 6, referring to fig. 2 and 8, the muffler 6 is screwed to the exhaust port 311, and the outlet of the muffler 6 is the bevel cut 61. The muffler 6 is easy to install, and the bevel cut 61 is useful for discharging oil-laden air, and can serve as a guide for the wind direction. Specifically, the muffler 6 includes an outer shell 63 and a muffler portion 62 welded to the inner shell, a plurality of muffler holes 64 are provided in an outer side wall of the muffler portion 62, and a muffler base material 65 is provided in an interior of the muffler portion 62. Can effectively reduce the air noise for the air noise and fluid can effectively condense and collect.
During the working process: after the air pipe joint 1 is connected with an external air source, air flows through the oil mist device 2 to reach the air motor 3, in order to prolong the service life of the air motor 3, the oil mist device 2 is designed into a first inner cavity 211 and an oil storage cavity 212, the first inner cavity 211 directly sends the air flow into the air motor 3, the oil storage cavity 212 is controlled by a first air valve 22 and a second air valve 23, and the opening and closing of the oil storage cavity is controlled by air pressure, so that when the air pressure is larger than a set value, the first air valve 22 and the second air valve 23 are opened to atomize lubricating oil, and the air is sent into the air motor 3, so that the air is lubricated to the air motor 3, the service life of the air motor 3 is prolonged, and the self running abrasion is reduced. The oil storage cavity 212 is optimally designed, so that the space of the oil storage cavity 212 is increased, the oil storage capacity is improved, the oil is filled with oil through the oil filling port 24, and the lubricating time duration is improved, and the lubricating device is simple and convenient.
On the other hand, the using method of the pneumatic submersible pump comprises the following steps of:
The air pipe joint 1 is connected to control the air pressure of the air source; the air pressure of the air source is controlled to be in a first period from a set value to a lower working value, the air pressure of the air source is controlled to be in a second period from the set value, and the first period and the second period are continuous, intermittent or alternate. Thus, a variety of modes of operation are possible: first, the first time period and the second time period are continuous, and the time length of the first time period and the second time period is the same; secondly, the continuous time lengths of the first time period and the second time period are different; third, the first time period and the second time period are interrupted, and the interruption time length is a third time period; fourth, the first time period and the second time period are different in length and alternate with each other. Generally we prefer a third mode of operation which has a longer lifetime. The first mode is more efficient.
The pneumatic submersible pump can work in different working states by controlling the air pressure of the air source so as to adjust the service life and the pumping efficiency. Is suitable for the adjustment requirements under different working conditions.
Of course, the above is only a typical example of the invention, and other embodiments of the invention are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the invention claimed.
Claims (8)
1. The pneumatic submersible pump comprises an air pipe joint used for being connected with an external air source, an oil mist device connected with the air pipe joint, an air motor connected below the oil mist device and used for receiving the air source and atomized oil and used for converting the air source into rotary power, a water pump main body connected with a power output end of the air motor and provided with a water inlet, a water discharge joint connected with the output end of the water pump main body and a muffler connected with an air outlet of the air motor, and is characterized in that the oil mist device comprises a first cylinder body provided with a first inner cavity and an oil storage cavity, a first air valve arranged on the oil storage cavity and facing the air pipe joint, a second air valve arranged below the oil storage cavity and facing the air motor, and an oil filling port positioned on the first cylinder body and communicated with the oil storage cavity, wherein when the air source pressure does not reach a set value, the oil storage cavity is in a closed state, and when the air source pressure reaches the set value, the oil in the oil storage cavity is atomized and sprayed out;
The first cylinder body comprises an outer shell part, an inner shell part and an end cover part, wherein the outer shell part and the inner shell part are integrated to form an annular oil storage cavity, the end cover part is fixed on the outer shell part and the inner shell part, a mounting hole for connecting an air supply pipe joint is reserved in the middle position, the mounting hole is communicated with the first inner cavity through the inner wall of the inner shell part, an oil injection part communicated with the oil storage cavity is arranged at the lower position of the inner shell part and the outer shell part and is transversely communicated with the oil storage cavity, a first air valve is arranged in the middle of the mounting hole, and a second air valve is arranged at a position close to the inner wall of the outer shell part;
The pneumatic motor comprises a second cylinder body, a lower base arranged in the second cylinder body, a stator which is connected to the lower base and is arranged in the second cylinder body, a rotor shaft arranged in the stator, a plurality of fan blades nested on the peripheral wall of the rotor, and an upper base sleeved on the rotor shaft and limited on the second cylinder body, wherein the upper base is provided with an air hole with a position corresponding to that of a second air valve, the stator is provided with a plurality of air passages for generating lateral power, and the side wall of the second cylinder body is provided with an air outlet.
2. The wind-driven submersible pump of claim 1, wherein the fan blades are of wood material.
3. The wind-driven submersible pump of claim 1, wherein the rotor shaft is provided with a limiting groove for installing the fan blade, the fan blade can move in the radial direction in the limiting groove, and a space is reserved between the fan blade and the inner wall of the stator for the radial movement of the fan blade.
4. The pneumatic submersible pump of claim 1, wherein the pump body comprises a water intake base, a pump housing fixed to the water intake base, an impeller positioned in the housing, and a connecting cover fixed to the pump housing, wherein a water inlet is provided at a central position of the pump housing, and a side wall of the pump housing extends out of the water outlet.
5. The pneumatic submersible pump of claim 4, wherein the water intake base is closed at the bottom and the sidewall is provided with a plurality of mesh openings.
6. The wind-driven submersible pump of claim 1, wherein the muffler is threadably coupled to the exhaust port and the muffler outlet is a bevel cut.
7. The wind-driven submersible pump of claim 6, wherein the muffler comprises an outer shell and a muffler portion welded to the inner shell, a plurality of muffler holes are formed in the outer side wall of the muffler portion, and a muffler base material is arranged in the muffler portion.
8. A method of using a pneumatic submersible pump according to any one of claims 1 to 7, comprising the steps of: the air pipe joint is connected to control the air pressure of the air source; the air pressure of the air source is controlled to be in a first period from a set value to a lower working value, the air pressure of the air source is controlled to be in a second period from the set value, and the first period and the second period are continuous, intermittent or alternate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811568135.2A CN109441834B (en) | 2018-12-21 | 2018-12-21 | Pneumatic submersible pump and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811568135.2A CN109441834B (en) | 2018-12-21 | 2018-12-21 | Pneumatic submersible pump and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109441834A CN109441834A (en) | 2019-03-08 |
| CN109441834B true CN109441834B (en) | 2024-07-12 |
Family
ID=65560425
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| Application Number | Title | Priority Date | Filing Date |
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| CN110671154A (en) * | 2019-10-18 | 2020-01-10 | 常州窦氏气动机械有限公司 | One-way offset blade type rotor assembly, prime motor and pneumatic water pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209244857U (en) * | 2018-12-21 | 2019-08-13 | 台州开浪泵业股份有限公司 | A kind of pneumatic sump pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT260717B (en) * | 1964-11-05 | 1968-03-25 | Boehler & Co Ag Geb | Hand machine tool, in particular a grinding machine, driven by a compressed air motor |
| SU848872A1 (en) * | 1979-10-05 | 1981-07-23 | Всесоюзный Научно-Исследовательскийи Проектно-Конструкторский Институтпромышленных Гидроприводов И Гидро-Автоматики "Вниигидропривод" | Oil sprayer |
| JPS58180710A (en) * | 1982-04-15 | 1983-10-22 | Yanmar Diesel Engine Co Ltd | Lubricating device of air motor |
| JPS58225201A (en) * | 1982-06-25 | 1983-12-27 | Chiyoda Chem Eng & Constr Co Ltd | Method and device for lubrication of air motor |
| JPH0616221Y2 (en) * | 1989-09-14 | 1994-04-27 | シーケーデイ株式会社 | Lubricator |
| AU709653B2 (en) * | 1995-05-30 | 1999-09-02 | Fluid Drive Technology Pty Ltd | Fluid vane motor/pump |
| JPH10184584A (en) * | 1996-12-25 | 1998-07-14 | Shin Meiwa Ind Co Ltd | Submerged pump |
| CN200978812Y (en) * | 2006-12-14 | 2007-11-21 | 吴建文 | Pneumatic sand-discharging filth-discharging submersible pump |
| CN101566175B (en) * | 2009-05-20 | 2012-08-22 | 杨德君 | Gas pressurized device |
| CN202500784U (en) * | 2012-03-02 | 2012-10-24 | 常州窦氏气动机械有限公司 | Oil-free pneumatic water pump |
| CN102635407A (en) * | 2012-04-25 | 2012-08-15 | 王辉 | Novel pneumatic motor |
| CN105179905B (en) * | 2015-09-16 | 2018-03-16 | 奇瑞汽车股份有限公司 | A kind of oil sprayer |
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