Nothing Special   »   [go: up one dir, main page]

CN102491357A - Superfine kaolin production system and use method thereof - Google Patents

Superfine kaolin production system and use method thereof Download PDF

Info

Publication number
CN102491357A
CN102491357A CN201110404539XA CN201110404539A CN102491357A CN 102491357 A CN102491357 A CN 102491357A CN 201110404539X A CN201110404539X A CN 201110404539XA CN 201110404539 A CN201110404539 A CN 201110404539A CN 102491357 A CN102491357 A CN 102491357A
Authority
CN
China
Prior art keywords
kaolin
production system
ball mill
ceramic balls
crusher
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201110404539XA
Other languages
Chinese (zh)
Other versions
CN102491357B (en
Inventor
冯建明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inner Mongolia Chaopai New Material Co ltd
Original Assignee
HUNAN SUPER TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HUNAN SUPER TECHNOLOGY Co Ltd filed Critical HUNAN SUPER TECHNOLOGY Co Ltd
Priority to CN 201110404539 priority Critical patent/CN102491357B/en
Publication of CN102491357A publication Critical patent/CN102491357A/en
Application granted granted Critical
Publication of CN102491357B publication Critical patent/CN102491357B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Crushing And Grinding (AREA)

Abstract

The invention provides a superfine kaolin production system and a use method thereof. The superfine kaolin production system comprises a crusher and a superfine grinder which are sequentially connected. The superfine kaolin production system further comprises a wet grinding machine, kaolin entering the wet grinding machine is crushed by the crusher to be smaller than 50 mm in grain size, and the kaolin enters the superfine grinder after coming out from the wet grinding machine. By adopting the superfine kaolin production system to produce kaolin, yield per hour is 10.5 tons, and when kaolin is coarse grinded to be 325 meshes, each ton of products consumes 50 kilowatt hour of electricity. In addition, when materials are superfine grinded to be with more than 90% of the materials smaller than 2 um m in grain size, each ton of products consumes only 90 kilowatt hour of electricity. The superfine kaolin production system further has functions of reducing dust and noise.

Description

Ultrafine kaolin production system and method for use thereof
Technical field
The present invention relates to the kaolin production system, concrete ultrafine kaolin production system and the method for use thereof of relating to.
Background technology
The kaolin staple is silicate, wherein Al 2O 3Content is 37.5-44.5%, SiO 2Be 44.8-53.1%, and contain the oxide compound of a spot of iron, sodium, potassium, titanium, calcium, magnesium.Because its color distinction is big, chemical property is stable, low price, strong covering power, thereby has extensively been applied to pottery, water-miscible paint, rubber-emulsion paint and paper industry and weaving coating.Obtain product thereby the Coaseries kaolin raw ore needs through broken, dry method or wet milling, join slurry, wet method super-fine ore grinding, drying, depolymerization, calcining, depolymerization.But before joining slurry, all habitually raw material is treated to the particle below 325 orders in the existing technology; The Chang Xianyong jaw crusher is treated to the particle of 30mm in this step; And then with Raymond mill with its corase grind to 325 orders; Perhaps use hammer mill to be crushed to, in dry method ball mill, be milled to 325 orders again less than 5mm; Afterwards again with water, dispersant after the preparation slip ready for getting into the wet method super-fine mill.But mineral must be through dry grinding before wet-milling for such production system, and reducing its particle diameter, and the dry mill process energy consumption is high, and the equipment noise is big, influences environment.
Summary of the invention
The object of the present invention is to provide ultrafine kaolin production system and method for use thereof, this system energy consumption is low, the little output of dust pollution is big.
Ultrafine kaolin production system provided by the invention comprises: crusher and super grinder; Crusher is connected with super grinder successively in the system; System also comprises the wet method grinding machine; The kaolin that gets into the wet method grinding machine is through the kaolin of crusher in crushing to particle diameter less than 50mm, and the kaolin of ball mill by wet process output gets into super grinder.
Further, the kaolin particle diameter that gets into the wet method grinding machine is less than 5mm.
Further, the wet method grinding machine be in ball mill by wet process, wet method rod mill, wet method tuber grinder, the wet method sand mill any
Further, used grinding medium is middle aluminium Ceramic Balls in the ball mill by wet process; The middle aluminium Ceramic Balls of diameter 30~50mm accounts for 65~70% of middle aluminium Ceramic Balls total amount in the middle aluminium Ceramic Balls; The middle aluminium Ceramic Balls of diameter 50~70mm accounts for 25~30% of middle aluminium Ceramic Balls total amount; The middle aluminium Ceramic Balls of diameter 70~100mm accounts for 2~5% of said middle aluminium Ceramic Balls total amount.
Further, fixed interval connects a plurality of bin isolation boards in the cavity of ball mill by wet process, and bin isolation board and ball mill by wet process inwall surround a plurality of chambers, and middle aluminium Ceramic Balls places chamber; A plurality of through holes that are of a size of 2~12mm are set on the bin isolation board.
Further, crusher is jaw crusher or hammer mill.
Further, crusher comprises placed in-line jaw crusher and hammer mill.
The present invention also provides the method for use of said system on the other hand, the kaolin raw ore after fragmentation particle diameter less than 50mm; By weight being to mix at 1~3: 1, add dispersant again by kaolin and water after ball mill by wet process grinds, when particle diameter in the kaolin that ball mill by wet process grinds account for less than 325 purpose kaolin the kaolin TV that grinds 95~99% after discharging; Join slurry after in above-mentioned gained feed liquid, adding entry and dispersion agent again, join slurry solid content be 48~52%; The gained feed liquid is through deironing processing, extra-fine grinding, drying, depolymerization, calcining, depolymerization obtains kaolin powder finished product again in the last step.
Further, the kaolin raw ore after fragmentation particle diameter less than 5mm.
Further, the add-on of dispersion agent by processing kaolin weight 1~4 ‰.
Technique effect of the present invention is:
Production system provided by the invention; Can handle the kaolin of particle diameter with ball mill by wet process less than 5mm; After ball mill by wet process ground, gained kaolin particle diameter was less than 325 orders, realized cutting down the consumption of energy and reduced the purpose of polluting thereby in this treatment step, substituted traditional dry method pulverizer; When adopting this system to produce corase grind kaolin to 325 order, product power consumption 50 degree per ton.When 90% above material particular diameter was<2 μ m to material with the material extra-fine grinding, product power consumption per ton is 90 degree only, also have the minimizing dust, reduce the effect of noise.
The automatic production that the present invention provides the ultrafine kaolin production system can realize that kaolin grinds system only needs can realize automatic production in preliminary setting parameter scope on the setter through the control of the coordination between tstr and unit and production unit; Thereby reduce manual work, reduce cost.
The present invention provides production system to reduce the input on the equipment purchasing; Reduce production costs, and be under φ 2.2 * 7.5m ball mill by wet process situation of producing in single device, output also increase be twice above; Hourly output can reach 10.5 tons under the butt condition being converted to, and has improved production efficiency.Wherein discharging condition by account for less than 325 purpose kaolin grinding kaolin TV 95~99%.
The present invention provides the kaolin production system; When adopting this system to produce; Used dispersion agent is merely 1 of kaolin weight~4 ‰ of handling, in the wet method pass, under the effect of water, dispersion agent, grinding medium; Water can rapid osmotic in the slit of kaolin itself, the quickening particle speed that attenuates.A large amount of tiny particles can reduce the viscosity of kaolin slurry, thereby have reduced the consumption of dispersion agent.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.
Fig. 1 is the ultrafine kaolin production system schematic flow sheet of first embodiment provided by the invention;
Fig. 2 is a used ball mill by wet process structural representation among first embodiment provided by the invention;
Fig. 3 is the ultrafine kaolin production system schematic flow sheet of second embodiment provided by the invention;
Fig. 4 is the ultrafine kaolin production system schematic flow sheet of the 3rd embodiment provided by the invention; And
Fig. 5 is the ultrafine kaolin production system schematic flow sheet of the 4th kind of embodiment provided by the invention.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the present invention.
The present invention handles kaolin raw ore particle diameter less than 200mm.Handle gained kaolin product particle diameter through native system and can reach 1250 orders~6000 orders, can reach the standard of ultrafine kaolin.Used wet method grinding machine be finger in wetting material through adopting sphere, bar-shaped, equipment that sand shape grinding medium grinds material.
System embodiment
Embodiment 1
Fig. 1 is the kaolin production system of first embodiment of the invention, and in this production system, the kaolin raw ore is after crusher 1 fragmentation, and median size gets into afterwards in the ball mill by wet process 3 and grinds less than 5mm.The kaolin particle diameter is reduced to 325 orders after ball mill by wet process 3 grinds; Get into again through magnetic separator de-ironing afterwards and carry out regrinding in the super grinder 9; Further reduce kaolinic particle diameter to<2 μ m; The kaolin of particle diameter<2 μ m account for the kaolin total amount of handling 90% after, carrying out obtaining particle diameter after drying, depolymerization, the calcining is 6000 orders again, obtains whiteness greater than 93% kaolin powder.
In the first embodiment, this production system comprise crusher 1, the feed bin 2 that is connected with crusher 1, ball mill by wet process 3, hold-up vessel 4, water receiver 5, transition stirred pot 61, be connected with transition stirred pot 61 join slurry stirred pot 62, with join deironing system 7, the extra-fine grinding surge tank 8 that is connected with deironing system 7 that slurry stirred pot 62 is connected, reach the super grinder 9 that is connected with extra-fine grinding surge tank 8.Hold-up vessel 4 is used to store dispersion agent, and hold-up vessel 4 all links to each other with the opening for feed of ball mill by wet process 3 with water receiver 5.The discharge port of ball mill by wet process 3 links to each other with transition stirred pot 61.Water receiver 5 respectively with transition stirred pot 61 with join slurry stirred pot 62 and be connected, respectively this transition stirred pot 61 is starched stirred pot 62 and is sent water with joining.Join slurry stirred pot 62 and link to each other with water receiver 5 through motor-driven control valve 52, deironing system 7 starches stirred pot 62 and links to each other with joining through densitometer 71.
Used crusher 1 is that jaw crusher and hammer mill series connection are used, but is not limited thereto, and also can be the two independent use.When crusher is jaw crusher and hammer mill series connection use, can improve discharging efficient, save the PT.Kaolin through broken leaves in the feed bin 2, so that serialization can guarantee that inlet amount is sufficient in producing.Feed bin 2 is towards weighing belt 211 feeds, and the delivery rate of weighing belt 211 is constant to be 13t/h.Weighing belt 211 feeds back to flow PID adjusting apparatus with measured inlet amount.Magnetic flow meter 51 links to each other with water receiver 5; Magnetic flow meter 51 is given the PID adjusting apparatus with measured signal feedback; PID adjusting apparatus output regulation signal is given motor-driven control valve 52, regulates flooding quantity through motor-driven control valve 52, makes that the ratio of water to material in the ball mill by wet process 3 reaches preset ratio.Dispersion agent hold-up vessel 4 links to each other with volume pump 31; This volume pump 31 obtains from the numerical signal of the inlet amount of weighing belt 211 feedbacks; And, make the dispersion agent and the inlet amounies that get in the ball mill by wet process 3 reach preset ratio, thereby realize automated operation through the calculating of PID adjusting apparatus.
Realize automatic control through common like the PID adjusting apparatus in the present embodiment to inlet amount, amount of water and dispersion agent add-on.
The ball mill of ball mill by wet process 3 for adopting the spherical grinding medium that moist material is ground like metallic ore ball mill by wet process, coal water slurry ball mill by wet process and cement ball mill by wet process, but is not limited to listed ball mill type.Compare with traditional kaolin production system, system provided by the invention is used to handle the kaolin of particle diameter less than 5mm with wet method grinding machine 3, exists dust many thereby avoid the use of the dry method grinding machine, the problem that energy consumption is high.
Please with reference to Fig. 2, the feeding mouth 39 of ball mill by wet process 3 is higher than plane, ball mill barrel axis place, helps improving pan feeding speed.Be provided with multistage bin isolation board 35 in the ball mill by wet process 3.Through bin isolation board 35 is set, ball mill by wet process 3 is divided into a plurality of chambers, material particular diameter that each chamber is handled successively decreases from feeding mouth 39 successively, can improve mill efficiencies at different levels, shortens the PT.Particle diameter according to grinding material and grinding mediums at different levels is different, and a plurality of through holes that are of a size of 2~12mm are set on the bin isolation board 35, prevents that grinding medium from mixing.Shape of through holes is not limit here, can be bar shaped for circle, as long as size satisfies this requirement.For manhole, size is meant the diameter that this is circular, and for strip through-hole, size is meant that the minor face of this through hole is long.When through hole be other when irregularly shaped, size is meant the shortest distance between arbitrary both sides.Can be so that the particle diameter of the grinding medium of placing successively decreases step by step in each chamber.The inwall of the cylindrical shell 33 of ball mill by wet process 3 is provided with liner plate 34, with protection cylindrical shell 33 inwalls, avoids the wearing and tearing to cylindrical shell 33 of institute's material of handling and grinding medium, thus the work-ing life of prolongation ball mill by wet process 3.Bin isolation board 35 all adopts rubber-like macromolecular material or wear-resisting steel to process with liner plate 34, like rubber, manganese steel, high chromium steel but be not limited thereto.Adopt this type material to make this liner plate 34 and bin isolation board 35 have advantages such as shock resistance is corrosion-resistant, wear-resistant, thereby this parts long service life, and noise is low in producing.
Ball mill by wet process 3 is provided with guide spiral 32 at the inwall near feeding mouth 39 places of cylindrical shell 33, so that can make material fast through getting into cylindrical shell 33 inside during charging.On the other hand, at the inwall place near ball mill by wet process 3 discharge ports discharging spiral 36 is set, this discharging spiral 36 can accelerate to handle back material release, so that enhance productivity.
Ball mill by wet process 3 is provided with control sieve 37 at the discharge port place, used control sieve 37 joins with cylindrical shell 33 discharge ports.When ball mill by wet process 3 running, control sieve 37 rotate with ball mill by wet process 3 synchronously, so that can be in time with the material derivation that meets the particle diameter requirement.The aperture of this control sieve 37 is 20~40 orders, and set control sieve 37 can avoid grinding medium in process of lapping, to leak outside, and has reduced the step of separating grinding medium.
The kaolin particle diameter that process ball mill by wet process 3 is handled back 95~99% is less than 325 orders.
In the ball mill by wet process 3 used grinding medium can for steel ball or middle aluminium Ceramic Balls be preferably in the aluminium Ceramic Balls.When selecting the middle aluminium Ceramic Balls of different-grain diameter for use; At first to select to have the ballstone of enough hardness, folding strength, resistance to impact shock, weight and proportion; If the hardness of ballstone, folding strength, resistance to impact shock deficiency; The ballstone breakage rate is high, and frequent replacing ballstone then can influence production efficiency and improve production cost.If the weight of ballstone and proportion are suitable, then can make grind the quality product of coming out do not reach require or mill efficiency low, thereby when guaranteeing to grind the particle diameter of back discharging, also need consider production efficiency, to reduce the loss of grinding medium as far as possible.
And if the diameter mismatch of the grinding medium of selecting for use then can make material can not get abundant grinding, and discharging is slow.The ratio of the aluminium Ceramic Balls of choosing is: the middle aluminium Ceramic Balls of diameter 30~50mm accounts for 65~70% of middle aluminium Ceramic Balls total amount; The middle aluminium Ceramic Balls of diameter 50~70mm accounts for 25~30% of middle aluminium Ceramic Balls total amount; The middle aluminium Ceramic Balls of diameter 70~100mm accounts for 2~5% of said middle aluminium Ceramic Balls total amount.Be divided into first chamber, second chamber and the 3rd chamber that adjoins each other by bin isolation board 35 from feeding mouth 39 to discharge port in preferred ball mill by wet process 3 chambeies.Mix the middle aluminium Ceramic Balls of placing above-mentioned three kinds of diameters in first chamber to the, three chambers respectively.Make the median size of the aluminium Ceramic Balls place first chamber greater than all the other two Room.The median size of aluminium Ceramic Balls is greater than the 3rd chamber in second chamber.Can guarantee in this embodiment serialization produce in product cut size be controlled at 95~99% kaolin particle diameter less than 325 orders.
The kaolin that grinds through ball mill by wet process 3 gets in the transition stirred pot 61, and transition stirred pot 61 is used to regulate the material solid content.Whipping appts also is set, in case water and kaolin layering in the material when leaving standstill in the transition stirred pot 61.On the transition stirred pot 61 liquidometer is set, the highest liquid level scope in the preset transition stirred pot 61 of liquidometer.
Liquid level feeds back to the variable-frequence governor 611 that links to each other with transition stirred pot 61 in real time in the measured transition stirred pot 61 of liquidometer; Pump liquid measure through 611 pairs of pumps of variable-frequence governor is regulated; When liquid level in the measured transition stirred pot 61 of liquidometer surpasses preset value; Then accelerate the running of pump, pump more liquid, in case liquid overflows through variable-frequence governor 611; To record liquid level lower when liquidometer, then feeds back signal to variable-frequence governor 611, reduces the carrying capacity of pump through variable-frequence governor 611, thereby making production to realize semi-automation to reduce artificial uses.
Material pumps the back entering and joins slurry stirred pot 62 from transition stirred pot 61, join in the slurry stirred pot 62 whipping appts also is set.Get into the water yield of joining in the slurry stirred pot 62 through increasing or reducing, further regulate the solid content of material, so that the material solid content can satisfy the processing requirements of super grinder 9.Through respective reservoirs is set, make production can realize serialization production, avoid the artificial time loss that at every turn adds water, enhance productivity.
Material gets into the deironing system 7 from joining slurry stirred pot 62, so that remove impurity such as iron wherein, to improve the whiteness of kaolin product.Further, the used deironing of the present invention system is that the series connection of three magnetic separator de-ironings is used, and through three magnetic separator de-ironings of connecting, can more thoroughly remove the ferrous contaminants in the material, thereby makes that final to obtain the product whiteness more excellent.In this process; The densitometer 71 ability real-time feedback concentration signals of deironing system 7 are to motor-driven control valve 52; Preset material concentration scopes in the motor-driven control valve 52, when crossing through the material concentration of densitometer 71 when low, then densitometer 71 sends signal to motor-driven control valve 52; Reduce entering through this valve and join the water in the slurry stirred pot 62, to improve material concentration; When measured concentration signal is material concentration when too high, then increase flooding quantity, thereby the solid content of material is controlled at 48~52% through this valve; For getting into super grinder, material gets ready; Can reduce MC through this system, the implementation part automated operation, and improved production efficiency.
The material that 7 deironing are handled through the deironing system gets into extra-fine grinding surge tank 8 and stores for future use, and gets into super grinder 9 afterwards and further grinds, and obtains kaolin powder finished product through super-dry, depolymerization, calcining, depolymerization more afterwards.
Embodiment 2
Please with reference to Fig. 3; The difference of the production system among this embodiment and first embodiment is: the transition stirred pot 61 of production system in the present embodiment, join between slurry stirred pot 62 and 7 threes of deironing system and need not to be provided with variable-frequence governor 611; And directly utilizing pump pumping material, the densitometer that links to each other with deironing system 7 also can not need be provided with.Transition stirred pot 61, join slurry stirred pot 62 and need not to be provided with motor-driven control valve 52 with water receiver 5.When not using setter, can be through the concentration of manual detection slurry and the add-on of water, the system that adopts present embodiment to provide produces kaolin still can realize the object of the invention.
Embodiment 3
Please with reference to Fig. 4, the difference of the production system among this embodiment and first embodiment is: the production system of present embodiment need not to be provided with magnetic flow meter 51, motor-driven control valve 52, variable-frequence governor 611, weighing belt 211, volume pump 31, densitometer 71.When system produced kaolin among this embodiment of employing, the metering of each material can be accomplished through artificial, and system can realize the object of the invention in the employing present embodiment.
Embodiment 4
Please with reference to Fig. 5, the difference of the production system among this embodiment and first embodiment is: the production system of present embodiment need not to be provided with electric magnetic flow meter 51, motor-driven control valve 52, variable-frequence governor 611, weighing belt 211, volume pump 31, densitometer 71 and transition stirred pot 61.Material after process ball mill by wet process 3 is handled directly gets in the deironing system 7 to be handled.Under this mode, can after accomplishing kaolinic production, carry out further stir process to kaolin.The metering of material everywhere can be by MC in the native system, and system can realize the object of the invention in the employing present embodiment.
Embodiment 5
The difference of the production system among this embodiment and first embodiment is: the kaolin raw ore is after crusher 1 fragmentation in the present embodiment, and median size is less than 50mm.Used wet method grinding machine is the wet method rod mill.
Method embodiment
Adopt the system that provides among aforementioned each embodiment; In producing the kaolin process; Add water in the ball mill by wet process, disperse dosage, the ball milling time factor is influential to final production energy consumption and output, so it is bright to implement illustration with method; Among the following method embodiment, system for use in carrying can be for arbitrary among the aforementioned system embodiment.
Used jaw crusher is PE 250 * 750 types in following examples, and used hammer mill is PC800 * 600 types, below used dispersion agent be Sodium hexametaphosphate 99, ball mill by wet process is the ball mill by wet process that is used to handle pottery.
Below among each embodiment, used super grinder is that CYM5000 type, used strong air-stream spraying drier are that PWG-5 type, used depolymerizer are the JJ-110 type.
Embodiment 1:
Break process: utilize jaw crusher with 40 tons of kaolin crushing raw ores to<25mm particle, get into hammer mill then and further be crushed to<5mm;
Wet ball grinding: kaolin clay feed amount and water add dispersion agent simultaneously by weight being to get into ball mill by wet process at 1.5: 1, add dispersion agent amount be 1.5 ‰ of kaolin clay feed amount.Grind discharging after 40 minutes, it is 60% entering transition stirred pot that material contains admittedly;
Join slurry: to add water to that material contains admittedly in the stirred pot be 50% joining slurry, and add 1.5 ‰ dispersion agent of kaolin clay feed amount, is pumped to then to carry out deironing in three grades of magnetic separator de-ironings and handle;
Extra-fine grinding: give birth to slurry under the effect of pump; Evenly get into continuously in the shredder from the pastry mouth of extra-fine grinding machine drum body bottom, shredder master motor drags main shaft and abrasive disk through speed reduction unit, shaft coupling, and the grinding medium in the machine is mixed fully, grinds, impacts, shears with giving birth to starch; Make material particles constantly levigate; Under the effect of slurry pump pressure and abrasive disk, material is constantly motion from the bottom up, makes improved grinding abundant simultaneously.Grind the back material and overflow, after bolting, get into to be checked jar from the grout outlet on cylindrical shell top, through check material particular diameter less than the amount of 2 μ m greater than the material total amount 90% after, material pumps into the finished product materials storage tank;
Dry workshop section: the kaolin suspension liquid of finished product slurry jar is pumped into dry transition jar; Pump in the strong air-stream spraying drier by the feed worm pump again; The kaolin suspension liquid mixes with pressurized air in the drying tower nozzle; Be vaporific upwards ejection through dry shower nozzle; From the vaporific material of shower nozzle ejection with from hotblast stove and kiln tail 550~700 ℃ from bottom to top the warm airs of motion contact, by sharply heating and drying, dried material gets into the rotoclone collector and the cloth bag scoop of kaolin collection device to vaporific material with hot gas in warm air; The kaolin material of collecting through scoop (water cut of the material after the processing is less than 1%) is discharged into the kaolin storage bunker again, supplies with subsequent processing and uses;
Depolymerization, calcining, depolymerization again: dry back material feeds the cylinder of rotary kiln calcining by the defeated machine of charging spiral shell again after depolymerizer is broken up, and calcining obtains finished product after depolymerizer is broken up.
In embodiment 1 production process, 9 tons of wet ball grinding hourly outputs, ton product power consumption 60 degree, extra-fine grinding ton product power consumption 95 degree, Dust Capacity reduces behind the wet ball grinding, gained kaolin finished product grain size 6000 orders, whiteness is greater than 93%.
Embodiment 2:
Break process: utilize jaw crusher with 40 tons of kaolin crushing raw ores to<25mm particle, get into hammer mill then and further be crushed to<5mm;
Wet ball grinding: kaolin clay feed amount and water add dispersion agent simultaneously by weight being to get into ball mill by wet process at 1.9: 1, add dispersion agent amount be 2 ‰ of kaolin clay feed amount.Grind discharging after 40 minutes, it is 65% entering transition stirred pot that material contains admittedly;
Join slurry: to add water to that material contains admittedly in the stirred pot be 48% joining slurry, and add 2 ‰ dispersion agent of kaolin clay feed amount, is pumped to then to carry out deironing in three grades of magnetic separator de-ironings and handle;
Extra-fine grinding: give birth to slurry in the surge tank after extra-fine grinding, overflow, behind vibratory screening apparatus, get into to be checked jar, extra-fine grinding step among material movement process and discharging standard such as the embodiment 1 from the grout outlet on cylindrical shell top;
Dry workshop section: utilize strong air-stream spraying drier that the kaolin material is handled, the temperature in of drying machine is 650 ℃, and temperature out is controlled to be 130 ℃, and the water cut of the kaolin material after the processing is less than 1%;
Depolymerization, calcining, depolymerization again: material is broken up to place in the rotary kiln after recovering original particle diameter through depolymerizer again and is calcined, and inlet temperature is 1150 ℃ of calcinings 1.5 hours in the kiln, after air cooling system cooling finished product deliver to storage bin again the depolymerization packing product.
Gained kaolin finished product grain size 6000 orders, whiteness is greater than 93%; Power consumption: 10 tons of wet ball grinding hourly outputs, ton product power consumption 55 degree, extra-fine grinding power consumption 94 degree.
Embodiment 3:
Break process: utilize jaw crusher with 40 tons of kaolin crushing raw ores to<25mm particle, get into hammer mill then and further be crushed to<5mm;
Wet ball grinding: kaolin clay feed amount and water add dispersion agent simultaneously by weight being to get into ball mill by wet process at 2.3: 1, add dispersion agent amount be 2.5 ‰ of kaolin clay feed amount.Grind discharging after 40 minutes, it is 70% entering transition stirred pot that material contains admittedly;
Join slurry: to add water to that material contains admittedly in the stirred pot be 52% joining slurry, and add 1.5 ‰ dispersion agent of kaolin clay feed amount, is pumped to then to carry out deironing in three grades of magnetic separator de-ironings and handle;
Extra-fine grinding: give birth to slurry in the surge tank after super grinder grinds, overflow, after bolting, get into to be checked jar, extra-fine grinding step among material movement process and discharging standard such as the embodiment 1 from the grout outlet on cylindrical shell top;
Dry workshop section: utilize strong air-stream spraying drier that the kaolin material is handled, the temperature in of drying machine is 700 ℃, and temperature out is controlled to be 120 ℃, and the water cut of the kaolin material after the processing is less than 1%;
Depolymerization, calcining, depolymerization again: material is broken up to place in the rotary kiln after recovering original particle diameter through depolymerizer again and is calcined, and inlet temperature is 1150 ℃ of calcinings 1.5 hours in the kiln, after air cooling system cooling finished product deliver to storage bin again the depolymerization packing product.
Gained kaolin finished product grain size 6000 orders, whiteness is greater than 92%; Power consumption: 10.5 tons of wet ball grinding hourly outputs, ton product power consumption 50 degree, extra-fine grinding power consumption 92 degree.
Embodiment 4:
Break process: utilize jaw crusher with 40 tons of kaolin crushing raw ores to<25mm particle, get into hammer mill then and further be crushed to<5mm;
Wet ball grinding: kaolin clay feed amount and water add dispersion agent simultaneously by weight being to get into ball mill by wet process at 1.3: 1, add dispersion agent amount be 1.5 ‰ of kaolin clay feed amount.Grind discharging after 40 minutes, it is 55% entering transition stirred pot that material contains admittedly;
Join slurry: to add water to that material contains admittedly in the stirred pot be 48% joining slurry, and add 1.5 ‰ dispersion agent of kaolin clay feed amount, is pumped to then to carry out deironing in three grades of magnetic separator de-ironings and handle;
Extra-fine grinding: give birth to slurry in the surge tank after extra-fine grinding; Overflow from the grout outlet on cylindrical shell top; After bolting, get into to be checked jar; The check material particular diameter less than the amount of 2 μ m greater than the material total amount 88% after pump into the finished product materials storage tank, the extra-fine grinding step is identical among material movement process and the embodiment 1;
Dry workshop section: utilize strong air-stream spraying drier that the kaolin material is handled, the temperature in of drying machine is 700 ℃, and temperature out is controlled to be 120 ℃, and the water cut of the kaolin material after the processing is less than 1%;
Depolymerization, calcining, depolymerization again: material places in the rotary kiln after depolymerizer is broken up the original particle diameter of recovery again and calcines, and inlet temperature is 1150 ℃ of calcinings 1.8 hours in the kiln, after air cooling system cooling finished product is delivered to storage bin.
Gained kaolin finished product grain size 5000 orders, whiteness is greater than 92%; Power consumption: 8.5 tons of wet ball grinding hourly outputs, ton product power consumption 65 degree, extra-fine grinding power consumption 90 degree.
Comparative Examples
By aforementioned processing condition, only ball mill by wet process is replaced with dry method ball mill (φ 2.2 * 7.5m ball mill, hourly output 5t); After grinding obtains product; In whole process of production, dry ball milling ton product power consumption 110 degree, extra-fine grinding power consumption 100 degree; Dispersant dosage is 6 ‰ gained kaolin particle diameters, 5000 orders, and whiteness is greater than 91%.
The used power consumption of the used power consumption of the measured production of aforementioned each embodiment and measured Comparative Examples under the same conditions specific energy is mutually saved nearly half the power consumption.
6000 order whiteness of gained of the present invention are greater than 92%, and product cut size index<2 μ m reach more than 90%.Can be widely used in coating, papermaking and rubber and plastic field, can implementation part instead of titanium white powder.
Should be appreciated that those skilled in the art can be under the situation that does not deviate from scope of the present invention and spirit, embodiment is changed or revises, these changes or revise still within protection domain of the present invention.And the disclosure content of the publication that the application draws also all is incorporated herein with reform, with as a reference.

Claims (10)

1. ultrafine kaolin production system; Said system comprises crusher and super grinder; Crusher is connected with super grinder successively in the said system, it is characterized in that, said system also comprises the wet method grinding machine; The kaolin that gets into said wet method grinding machine is through the kaolin of said crusher in crushing to particle diameter less than 50mm, and the kaolin of said wet method grinding machine output gets into said super grinder.
2. ultrafine kaolin production system according to claim 1 is characterized in that, the said kaolin particle diameter that gets into said wet method grinding machine is less than 5mm.
3. ultrafine kaolin production system according to claim 1 is characterized in that, said wet method grinding machine is any in ball mill by wet process, wet method rod mill, wet method tuber grinder, the wet method sand mill.
4. ultrafine kaolin production system according to claim 3 is characterized in that, used grinding medium is middle aluminium Ceramic Balls in the said ball mill by wet process; In said in the aluminium Ceramic Balls diameter be during the middle aluminium Ceramic Balls of 30~50mm accounts for aluminium Ceramic Balls total amount 65~70%; Diameter be the middle aluminium Ceramic Balls of 50~70mm account for said in aluminium Ceramic Balls total amount 25~30%; Diameter be the middle aluminium Ceramic Balls of 70~100mm account for said in aluminium Ceramic Balls total amount 2~5%.
5. ultrafine kaolin production system according to claim 4; It is characterized in that; Fixed interval connects a plurality of bin isolation boards in the cavity of said ball mill by wet process, and said bin isolation board and said ball mill by wet process inwall surround a plurality of chambers, and said middle aluminium Ceramic Balls places said chamber; A plurality of through holes that are of a size of 2~12mm are set on the said bin isolation board.
6. according to the said ultrafine kaolin production system of claim 5, it is characterized in that said crusher is jaw crusher or hammer mill.
7. according to the said ultrafine kaolin production system of claim 6, it is characterized in that said crusher comprises placed in-line jaw crusher and hammer mill.
8. one kind is used the method that each said system produces ultrafine kaolin in the claim 1~7, it is characterized in that,
The kaolin raw ore after fragmentation particle diameter less than 50mm;
By weight being to mix at 1~3: 1, add dispersant again by kaolin and water after ball mill by wet process grinds, when particle diameter in the kaolin that ball mill by wet process grinds account for less than 325 purpose kaolin the kaolin TV that grinds 95~99% after discharging;
Join slurry after in above-mentioned gained feed liquid, adding entry and dispersion agent again, join slurry solid content be 48~52%;
The gained feed liquid is through deironing processing, extra-fine grinding, drying, depolymerization, calcining, depolymerization obtains kaolin powder finished product again in the last step.
9. method according to claim 8 is characterized in that, said kaolin raw ore after fragmentation particle diameter less than 5mm.
10. according to Claim 8 or 9 described methods, it is characterized in that, the add-on of said dispersion agent by processing kaolin weight 1~4 ‰.
CN 201110404539 2011-12-07 2011-12-07 Superfine kaolin production system and use method thereof Active CN102491357B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110404539 CN102491357B (en) 2011-12-07 2011-12-07 Superfine kaolin production system and use method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110404539 CN102491357B (en) 2011-12-07 2011-12-07 Superfine kaolin production system and use method thereof

Publications (2)

Publication Number Publication Date
CN102491357A true CN102491357A (en) 2012-06-13
CN102491357B CN102491357B (en) 2013-08-14

Family

ID=46183228

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201110404539 Active CN102491357B (en) 2011-12-07 2011-12-07 Superfine kaolin production system and use method thereof

Country Status (1)

Country Link
CN (1) CN102491357B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103664195A (en) * 2013-12-05 2014-03-26 广东萨米特陶瓷有限公司 Standardized continuous treatment method of ceramic raw material and production line thereof
CN106182407A (en) * 2015-05-07 2016-12-07 广东科达洁能股份有限公司 A kind of ceramic mud classification combines new technology and the equipment thereof of preparation
CN107942905A (en) * 2017-11-27 2018-04-20 龙岩高岭土股份有限公司 A kind of method for improving kaolin concentrate quality stability
CN109107770A (en) * 2018-08-15 2019-01-01 浙江天磨矿业科技有限公司 A kind of regrinding and reconcentration method recycling fluorite from tailing
CN109569845A (en) * 2018-11-30 2019-04-05 内蒙古超牌建材科技有限公司 Ultrafine kaolin level Four powder manufacturing apparatus and ultrafine kaolin and its level Four p owder production technique
CN113604076A (en) * 2020-06-06 2021-11-05 山西中埃科技有限公司 Preparation method of nano kaolin for rubber filler

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016077339A1 (en) * 2014-11-10 2016-05-19 Imerys Oilfield Minerals, Inc. Method for preparing bauxite and/or kaolin for use in ceramic proppants

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD257823A1 (en) * 1987-02-20 1988-06-29 Hermsdorf Keramik Veb PROCESS FOR PREPARING GRAY COLOR BODIES
CN101269987A (en) * 2008-05-08 2008-09-24 天津泽希矿产加工有限公司 Process for preparing high-quality synthetic fire resistive material
CN101912810A (en) * 2010-07-15 2010-12-15 广西有色金属集团汇元锰业有限公司 Manganese dioxide ore grinding method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD257823A1 (en) * 1987-02-20 1988-06-29 Hermsdorf Keramik Veb PROCESS FOR PREPARING GRAY COLOR BODIES
CN101269987A (en) * 2008-05-08 2008-09-24 天津泽希矿产加工有限公司 Process for preparing high-quality synthetic fire resistive material
CN101912810A (en) * 2010-07-15 2010-12-15 广西有色金属集团汇元锰业有限公司 Manganese dioxide ore grinding method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103664195A (en) * 2013-12-05 2014-03-26 广东萨米特陶瓷有限公司 Standardized continuous treatment method of ceramic raw material and production line thereof
CN106182407A (en) * 2015-05-07 2016-12-07 广东科达洁能股份有限公司 A kind of ceramic mud classification combines new technology and the equipment thereof of preparation
CN107942905A (en) * 2017-11-27 2018-04-20 龙岩高岭土股份有限公司 A kind of method for improving kaolin concentrate quality stability
CN109107770A (en) * 2018-08-15 2019-01-01 浙江天磨矿业科技有限公司 A kind of regrinding and reconcentration method recycling fluorite from tailing
CN109569845A (en) * 2018-11-30 2019-04-05 内蒙古超牌建材科技有限公司 Ultrafine kaolin level Four powder manufacturing apparatus and ultrafine kaolin and its level Four p owder production technique
CN109569845B (en) * 2018-11-30 2021-08-17 内蒙古超牌新材料股份有限公司 Superfine kaolin four-stage powder preparation equipment, superfine kaolin and four-stage powder preparation production process thereof
CN113604076A (en) * 2020-06-06 2021-11-05 山西中埃科技有限公司 Preparation method of nano kaolin for rubber filler

Also Published As

Publication number Publication date
CN102491357B (en) 2013-08-14

Similar Documents

Publication Publication Date Title
CN102491357B (en) Superfine kaolin production system and use method thereof
CN101875793B (en) Production method for superfine modified heavy calcium carbonate by wet grinding
CN101947490B (en) Method for rolling and grinding by high pressure roller press for fine chemical engineering
CN103214198B (en) Cement production method
CN101282790B (en) Method for increasing the efficiency of grinding of ores, minerals and concentrates
CN201988431U (en) Ultrafine powdery calcium carbonate wet-grinding apparatus
CN103801433A (en) Cylinder body rotating part structure of dry ball mill
CN101912811A (en) Method for preparing nepheline syenite powder
CN1195701C (en) Treatment and production technique for calcining kaolin
CN203842644U (en) Rotating part structure of dry ball mill barrel
CN207287617U (en) Ball-milling device and milling apparatus
CN109127011B (en) Superfine powder ball mill
CN102527476A (en) Wet grinding system for nonmetal mineral powder and grinding method thereof
CN203419867U (en) Equipment for preparing superfine coarse whiting coating filler
CN203269799U (en) Cement production device
CN109569845A (en) Ultrafine kaolin level Four powder manufacturing apparatus and ultrafine kaolin and its level Four p owder production technique
CN113041944A (en) Site-type material fine crushing and high-quality efficient mixing equipment and method
CN107537639A (en) A kind of steel ball for ball mill adds control device automatically
CN219168630U (en) Continuous ball milling system
CN105750060B (en) A kind of bauxite dry and wet mixing grinds new process
CN103627212B (en) Preparation method and preparation apparatus for ultrafine heavy calcium coating filler
CN204182435U (en) A kind of cement mill of efficient energy-saving
CN207254495U (en) A kind of powdery paints flour mill
CN206526920U (en) A kind of flotation starches preparation system with low-grade magnesite
CN215233824U (en) Site-type material fine crushing and high-quality efficient mixing equipment

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20171227

Address after: 011600 Qingshui River County Industrial Park, the Inner Mongolia Autonomous Region, Hohhot

Patentee after: INNER MONGOLIA SUPER BUILDING MATERIALS TECHNOLOGY CO.,LTD.

Address before: 410007 new Century Towers, No. 198, two section of Furong Middle Road, Changsha, Hunan Province, room 9003

Patentee before: HUNAN SUPER TECHNOLOGY Co.,Ltd.

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Superfine kaolin production system and use method thereof

Effective date of registration: 20190409

Granted publication date: 20130814

Pledgee: China Everbright Bank Limited by Share Ltd. Hohhot branch

Pledgor: INNER MONGOLIA SUPER BUILDING MATERIALS TECHNOLOGY CO.,LTD.

Registration number: 2019150000004

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20200409

Granted publication date: 20130814

Pledgee: China Everbright Bank Limited by Share Ltd. Hohhot branch

Pledgor: INNER MONGOLIA SUPER BUILDING MATERIALS TECHNOLOGY Co.,Ltd.

Registration number: 2019150000004

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Superfine kaolin production system and use method thereof

Effective date of registration: 20200417

Granted publication date: 20130814

Pledgee: Bank of China Limited by Share Ltd. Hohhot Yuquan branch

Pledgor: INNER MONGOLIA SUPER BUILDING MATERIALS TECHNOLOGY Co.,Ltd.

Registration number: Y2020150000013

PE01 Entry into force of the registration of the contract for pledge of patent right
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 011600 Qingshuihe Industrial Park, Lamawan Town, Qingshuihe County, Hohhot City, Inner Mongolia Autonomous Region

Patentee after: Inner Mongolia chaopai New Material Co.,Ltd.

Address before: 011600 Qingshui River County Industrial Park, the Inner Mongolia Autonomous Region, Hohhot

Patentee before: INNER MONGOLIA SUPER BUILDING MATERIALS TECHNOLOGY Co.,Ltd.

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20210506

Granted publication date: 20130814

Pledgee: Bank of China Limited by Share Ltd. Hohhot Yuquan branch

Pledgor: INNER MONGOLIA SUPER BUILDING MATERIALS TECHNOLOGY Co.,Ltd.

Registration number: Y2020150000013

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Superfine kaolin production system and its application

Effective date of registration: 20210514

Granted publication date: 20130814

Pledgee: Bank of China Limited by Share Ltd. Hohhot Yuquan branch

Pledgor: Inner Mongolia chaopai New Material Co.,Ltd.

Registration number: Y2021150000035

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Granted publication date: 20130814

Pledgee: Bank of China Limited by Share Ltd. Hohhot Yuquan branch

Pledgor: Inner Mongolia chaopai New Material Co.,Ltd.

Registration number: Y2021150000035

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Ultrafine kaolin production system and its usage method

Granted publication date: 20130814

Pledgee: Bank of China Limited by Share Ltd. Hohhot Yuquan branch

Pledgor: Inner Mongolia chaopai New Material Co.,Ltd.

Registration number: Y2024150000048