CN107617501B - Multistage grinding superfine powder production process and system thereof - Google Patents
Multistage grinding superfine powder production process and system thereof Download PDFInfo
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- CN107617501B CN107617501B CN201711065141.1A CN201711065141A CN107617501B CN 107617501 B CN107617501 B CN 107617501B CN 201711065141 A CN201711065141 A CN 201711065141A CN 107617501 B CN107617501 B CN 107617501B
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- 239000000843 powder Substances 0.000 title claims abstract description 109
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 47
- 238000005303 weighing Methods 0.000 claims abstract description 39
- 239000000428 dust Substances 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 239000004744 fabric Substances 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims description 22
- 238000003860 storage Methods 0.000 claims description 13
- 239000004568 cement Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000010924 continuous production Methods 0.000 abstract description 5
- 239000002440 industrial waste Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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Abstract
The invention discloses a production process of multistage grinding ultrafine powder, which comprises the following steps: (1) crushing materials in a roller press; (2) The crushed materials enter a V-shaped powder separator for separation, and the coarse materials enter an intelligent double-drive powder precise classifier for separation; (3) Coarse powder materials with the grain size larger than 0.15 mm after sorting in the step (2) enter a weighing bin, coarse powder materials enter an integrated type separate grinding ball mill for grinding, fine powder is collected by a cyclone collector and then enters an abrasive device arranged in the integrated type separate grinding ball mill for grinding, ground powder enters the integrated type separate grinding ball mill for grinding, and ground finished product powder enters a finished product warehouse. The system comprises a first lifter, a second lifter, a third lifter, a roller press, a weighing bin, a V-shaped powder selecting machine, an intelligent double-drive powder precise classifier, a cyclone collector, a first fan, a cloth bag dust collector and an integrated type respectively grinding ball mill. The system can realize large-scale continuous production, and has high quality and low cost.
Description
Technical Field
The invention relates to a multistage grinding ultrafine powder production process and a multistage grinding ultrafine powder production system.
Background
Industrial waste materials in the prior art, such as coal gangue and the like, are widely used in the building material industry, and no coagulation is an effective way to digest industrial waste materials. Research and engineering practice show that the action of industrial waste as a mixed material on cement and concrete is closely related to fineness, and the finer the fineness is, the better the action effect is. In particular, the Bo's specific surface area of the mixed material is more than or equal to 700 square meter/, the average grain diameter is less than 6 mu m, and the chemical and physical actions of the mixed material are fully exerted, so that the produced cement has high quality and low cost. The existing superfine powder production process is to grind the industrial waste, select powder and mix the powder. The production process is single in technology, the used production equipment cannot realize large-scale continuous production, and the production cost is high.
Disclosure of Invention
The invention provides a multistage grinding ultrafine powder production process and a multistage grinding ultrafine powder production system, which can realize large-scale continuous production, and have high quality and low production cost.
In order to solve the technical problems, the invention relates to a production process of multistage grinding ultrafine powder, which comprises the following steps:
(1) Conveying materials from a cement batching station through a first lifter, entering a weighing bin through a feeding hole of the weighing bin, and enabling the materials in the weighing bin to enter a roller press through a discharging hole of the weighing bin for rolling and crushing;
(2) The materials which are rolled and crushed by a roller press in the step (1) are lifted to a feed inlet of a V-shaped powder concentrator by a lifting machine II, the materials enter the V-shaped powder concentrator for separation, air flow discharged from an air outlet of a fan I enters the V-shaped powder concentrator through an air inlet of the V-shaped powder concentrator through an air duct, the separated coarse materials enter a weighing bin through a feed inlet of the weighing bin, and the separated rest materials enter an intelligent double-drive powder precise classifier for separation along with the air flow;
(3) In the step (2), the materials sorted by the intelligent double-drive powder precise classifier are fed into the weighing bin through a pipeline and the feeding port of the weighing bin, the sorted coarse powder materials enter the integrated type separate grinding ball mill through the pipeline and the feeding port at the front part of the integrated type separate grinding ball mill for grinding, the sorted fine powder with the particle size smaller than 0.03 mm is collected by a cyclone collector, the air flow flowing out of the air outlet of the cyclone collector is sucked by the air inlet of a fan I, the fine powder with the particle size smaller than 0.03 mm is collected by the cyclone collector and enters the feeding port of the feeding and discharging device at the rear part of the integrated type separate grinding ball mill through the pipeline, the ground fine powder enters the integrated type separate grinding ball mill for grinding together with the materials contained in the integrated type separate grinding ball mill through the feeding port of the integrated type separate grinding ball mill, the ground powder enters the finished product warehouse through the elevator III, the discharged powder enters the finished product warehouse through the air outlet of the elevator III of the integrated type separate grinding ball mill, and the dust discharged from the air outlet of the integrated type separate grinding ball mill passes through the dust collector III of the dust collector.
A multi-stage grinding superfine powder production process system comprises a first lifter, a second lifter, a third lifter, a roller press, a weighing bin, a V-shaped powder selector, an intelligent double-drive powder precise classifier, a cyclone collector, a first blower, a cloth bag dust remover and an integrated grinding ball mill respectively, wherein a discharge port of the first lifter is connected with a feed port of the weighing bin through a pipeline, a discharge port of the weighing bin is connected with a feed port of the roller press, a discharge port of the roller press is connected with a feed port of the second lifter through a pipeline, a discharge port of the second lifter is connected with a feed port of the V-shaped powder selector through a pipeline, an air outlet of the first blower is connected with an air inlet of the V-shaped powder selector through a pipeline, an air outlet of the V-shaped powder selector is connected with an air inlet of the intelligent double-drive powder precise classifier through a pipeline, an air outlet of the intelligent double-drive powder precise classifier is connected with an air inlet of the cyclone collector through a pipeline, the air outlet of the cyclone collector is connected with the air inlet of the fan I through a pipeline, the coarse powder pipe of the intelligent double-drive powder precise classifier is connected with the feed inlet of the weighing bin through a pipeline, the coarse powder pipe of the intelligent double-drive powder precise classifier is connected with the feed inlet of the front part of the integrated grinding ball mill respectively through a pipeline, the discharge outlet of the cyclone collector is connected with the feed inlet of the feed inlet device of the rear part of the integrated grinding ball mill respectively through an air conveying chute I and a pipeline, the discharge outlet of the feed inlet device of the rear part of the integrated grinding ball mill is connected with the feed inlet of the elevator III through an air conveying chute, the air outlet of the feed inlet device of the rear part of the integrated grinding ball mill respectively is connected with the air inlet of the bag dust collector through a pipeline, the air outlet of the bag dust collector is connected with the air inlet of the fan II through an air duct, the discharge port of the bag dust collector is connected with the feed port of the elevator III through a screw conveyer and a pipeline, and the discharge port of the elevator III is connected with a finished product warehouse through an air conveying chute II and a pipeline.
The integrated type separate grinding ball mill comprises a driving device, a feeding device, a cylinder body, a partition plate, a feeding and discharging device, an inner cylinder body and a conveying device, wherein the feeding device and the feeding and discharging device are respectively arranged at the front end and the rear end of the cylinder body; the feeding and discharging device comprises a shell, a hollow shaft, a rotary screen, a guide hopper, a guide channel and an open storage box, wherein the upper end of the shell is provided with a feeding hole, the lower part of the shell is provided with a discharging hole, the upper part of the shell is provided with an air outlet, the hollow shaft is positioned in the rotary screen, the rotary screen is positioned in the shell, one ends of the hollow shaft and the rotary screen are both arranged at the rear end of the cylinder body, the axial leads of the hollow shaft and the axial leads of the rotary screen are coincident, through holes are uniformly distributed in the circumferential direction of the hollow shaft, the guide channel comprises a straight pipe and an inclined pipe, one end of the straight pipe is arranged at the circumferential through hole of the hollow shaft, the other end of the straight pipe passes through the rotary screen and is connected with the lower end of the guide hopper, one end of the inclined pipe is connected with one end of the straight pipe, and the other end of the inclined pipe is connected with the feeding hole of the conveying device, a baffle plate is arranged between adjacent guide hoppers, the open storage box is composed of a semicircular left side plate, a semicircular right side plate and a semicircular arc plate, the large semicircular side edges of the semicircular left side plate and the semicircular right side plate are respectively arranged on the two side edges of the semicircular arc plate to form an open box body, the open box body is positioned on one side of the rotary screen and arranged on the shell, the guide hoppers positioned on one side of the hollow shaft are positioned in the open box body, the small semicircular side edges of the semicircular left side plate and the semicircular right side plate of the open box body and the outer Zhou Xiangpei of the rotary screen are provided with feed inlets, and the feed inlets are provided with feed pipes which penetrate through the shell; the light grinding bodies are arranged in the cylinder body and the inner cylinder body.
The guide hopper comprises a left plate, a right plate, a front plate and a rear plate, wherein the left plate and the right plate are parallel and keep a distance, the front plate and the rear plate are respectively arranged at the front end and the rear end of the left plate and the right plate to form a hollow wedge-shaped structure, the lower port of the guide hopper of the hollow wedge-shaped structure is arranged on a through hole in the circumferential direction of the hollow shaft, the left plate and the right plate of the guide hopper of the hollow wedge-shaped structure are respectively corresponding to the semicircular left plate and the semicircular right plate of the opening storage box, and the upper end of the rear plate of the guide hopper of the hollow wedge-shaped structure is corresponding to the semicircular arc plate of the opening storage box.
The rear plate of the guide hopper of the hollow wedge-shaped structure is an arc-shaped plate structure.
The conveying device is a spiral conveying device.
The axial leads of the cylinder body and the inner cylinder body are coincided.
The number of the guide hoppers is three to ten.
In the multistage grinding ultrafine powder production process, materials are crushed by a roller press, separated by a V-shaped powder separator, separated again by an intelligent double-drive powder precise classifier and collected by a cyclone collector, and then respectively enter the front end and the rear end of an integrated grinding ball mill respectively for grinding to obtain finished products, and the finished products enter a cost warehouse; in the multistage grinding ultrafine powder production process system, the problems of large-scale continuous production, low quality and high production cost which cannot be realized in the prior art are solved by adopting the combination connection among the first lifting machine, the second lifting machine, the third lifting machine, the roller press, the weighing bin, the V-shaped powder selecting machine, the intelligent double-drive powder precise classifier, the cyclone collector, the first fan, the cloth bag dust remover and the integrated type separate grinding ball mill.
Drawings
FIG. 1 is a schematic diagram of a multistage grinding ultra-fine powder production process system of the present invention;
FIG. 2 is a schematic structural view of an integrated separate grinding ball mill;
fig. 3 is an enlarged schematic view of the structure of the feeding and discharging device in fig. 2.
Detailed Description
In fig. 1, the invention discloses a multistage grinding ultrafine powder production process, which comprises the following steps:
(1) The materials from the cement batching station, in this embodiment, the materials are 5% of gypsum, 25% of mixed materials, 65% of clinker and other 5% of mixtures, and the materials enter the weighing bin 4 through the feeding hole of the weighing bin 4 by the conveying of the first lifter 1, and the materials in the weighing bin 4 enter the roller press 3 through the discharging hole of the weighing bin 4 for rolling and crushing.
(2) And (3) rolling and crushing the materials in the step (1) through a roller press 3 by a lifter II, lifting the materials to a feed inlet of a V-shaped powder concentrator 5, entering the V-shaped powder concentrator 5 for sorting, enabling air flow discharged from an air outlet of a fan I8 to enter the V-shaped powder concentrator 5 through an air inlet of the V-shaped powder concentrator 5 through an air channel, enabling the sorted coarse materials to enter a weighing bin 4 through a feed inlet of a weighing bin 4, and enabling the sorted rest materials to enter an intelligent double-drive powder precise classifier 6 for sorting along with the air flow.
(3) In the step (2), the materials sorted by the intelligent double-drive powder precise classifier 6 are fed into the weighing bin 4 through a pipeline through a feed inlet of the weighing bin 4, the sorted coarse powder materials enter the integrated type respective grinding ball mill 10 through a feed inlet 11 at the front part of the integrated type respective grinding ball mill 10 through a pipeline for grinding, the fine powder with the particle size smaller than 0.03 mm after being sorted is collected by the cyclone collector 7, the air flow flowing out of the air outlet of the cyclone collector 7 is sucked by an air inlet of the fan I8, the fine powder with the particle size smaller than 0.03 mm after being collected by the cyclone collector 7 enters a feed inlet of an air inlet and outlet device 12 at the rear part of the integrated type respective grinding ball mill 10 through a pipeline, the ground fine powder enters an abrasive device arranged in the integrated type respective grinding ball mill 10 through the air inlet and outlet 12 for grinding, the ground powder enters the integrated type respective grinding ball mill 10 together with the materials contained in the integrated type respective grinding ball mill 10, the ground powder is discharged through a discharge outlet of the air inlet and outlet 12, the powder collected by the cyclone collector 7 enters a dust collector 13 and a dust collector 13 respectively enters a dust collector 13. In the finished products produced by the process, the measurement shows that the Bo's specific surface area of the materials such as the mixed material and the gypsum is more than or equal to 700 square meters/kg, the average grain diameter is less than 6 mu m, the Bo's specific surface area of the clinker is 350-4700 square meters/kg, and the energy consumption is reduced by 30 percent, so that the produced cement has high quality and low cost.
In fig. 1, a multi-stage grinding ultrafine powder production process system comprises a first lifter 1, a second lifter 2, a third lifter 13, a roller press 3, a weighing bin 4, a V-shaped powder selecting machine 5, an intelligent double-drive powder precise classifier 6, a cyclone collector 7, a first fan 8, a bag-type dust remover 14 and an integrated grinding ball mill 10 respectively, wherein a discharge port of the first lifter 1 is connected with a feed port of the weighing bin 4 through a pipeline. The discharge gate in storehouse 4 links to each other with the feed inlet of roll squeezer 3, and the discharge gate of roll squeezer 3 links to each other with the feed inlet of lifting machine two 2 through the pipeline, and the discharge gate of lifting machine two 2 links to each other with the feed inlet of V type selection powder machine 5 through the pipeline. The air outlet of the fan I8 is connected with the air inlet of the V-shaped powder selecting machine 5 through a pipeline. The air outlet of the V-shaped powder selecting machine 5 is connected with the air inlet of the intelligent double-drive powder precise classifying machine 6 through a pipeline, the air outlet of the intelligent double-drive powder precise classifying machine 6 is connected with the air inlet of the cyclone collector 6 through a pipeline, and the air outlet of the cyclone collector 7 is connected with the air inlet of the fan I8 through a pipeline. The coarse powder pipe of the intelligent double-drive powder precise classifier 6 is connected with the feed inlet of the weighing bin 4 through a pipeline, and the middle coarse powder pipe of the intelligent double-drive powder precise classifier 6 is connected with the feed inlet 11 at the front part of the integrated grinding ball mill 10 through a pipeline. The discharge port of the cyclone collector 7 is connected with the feed port of a feed and discharge device 12 at the rear part of the integrated grinding ball mill 10 respectively through an air conveying chute I9 and a pipeline. The discharge port of the feeding and discharging device 12 at the rear part of the integrated grinding ball mill 10 is connected with the feed port of the lifting machine III 13 through an air conveying chute. The air outlet of the feeding and discharging device 12 at the rear part of the integrated grinding ball mill 10 is connected with the air inlet of the bag-type dust remover 14 through a pipeline. The air outlet of the bag-type dust collector 14 is connected with the air inlet of the fan II through an air duct. The discharge port of the bag dust collector 14 is connected with the feed port of the lifting machine III 13 through a screw conveyer 15 and a pipeline, and the discharge port of the lifting machine III 13 is connected with a finished product warehouse through an air conveying chute II and a pipeline.
As shown in fig. 2 and 3, in this embodiment, the integrated grinding ball mill 10 includes a driving device, a feeding device 26, a cylinder 25, a partition plate, a feeding device 12, an inner cylinder 16, and a conveying device 17, where the feeding device 26 and the feeding device 12 are respectively disposed at the front end and the rear end of the cylinder 25. The feeding device 26 comprises a feeding port, and the feeding device 26 is of the prior art and will not be described in detail. The cylinder 25 is mounted on a driving device, which is a prior art, and the cylinder 25 is mounted on a driving device, which is also a prior art, and thus is not described in detail. The compartment plate is arranged in the cylinder 25. The inner cylinder 16 is disposed inside the cylinder 25 through a support rod and is located at the rear of the cylinder 25. One end of the conveying means 17 is provided on one end of the inner cylinder 16. The feeding and discharging device comprises a shell 27, a hollow shaft 19, a rotary screen 29, a guide hopper 20, a guide channel and an open storage box 21, wherein the hollow shaft 19 is positioned in the shell 27, the upper end of the shell 27 is provided with a feeding hole 23, the upper part of the shell 27 is provided with a feeding hole, the lower part of the shell 27 is provided with a discharging hole 24, and the upper part of the shell 27 is provided with an air outlet. The hollow shaft 19 is positioned in the rotary screen 29, the rotary screen 29 is positioned in the housing 27, one end of the hollow shaft 19 and one end of the rotary screen 29 are both arranged on the rear end of the cylinder 25, and the axis of the hollow shaft 19 and the axis of the rotary screen 29 coincide. The hollow shaft 19 is uniformly provided with through holes in the circumferential direction. The guide channel comprises a straight pipe 28 and an inclined pipe 18, one end of the straight pipe 28 is arranged on a through hole in the circumferential direction of the hollow shaft 19, the other end of the straight pipe 28 penetrates through a rotary screen 29 to be connected with the lower end of the guide hopper 20, one end of the inclined pipe 18 is connected with one end of the straight pipe 28, the other end of the inclined pipe 18 is connected with a feed hole of the conveying device 17, and a baffle plate 30 is arranged between the adjacent guide hoppers 20. The open storage box 21 is composed of a semicircular left side plate, a semicircular right side plate and a semicircular arc plate, the large semicircular side edges of the semicircular left side plate and the semicircular right side plate are respectively arranged on the two side edges of the semicircular arc plate to form an open box body, the open box body is positioned on one side of the rotary screen 29 and arranged on the shell 27, the guide hopper 20 positioned on one side of the hollow shaft 19 is positioned in the open box body 21, and the small semicircular side edges of the semicircular left side plate and the semicircular right side plate of the open box body 21 and the outer Zhou Xiangpei of the rotary screen 29. The open box body 21 is provided with a feed inlet, the feed inlet is provided with a feed pipe 22, and the feed pipe 22 penetrates through the shell 27; the cylinder 25 and the inner cylinder 16 are respectively provided with a light grinding body.
The guide hopper 20 includes a left plate 32, a right plate, a front plate 33 and a rear plate 31, wherein the left plate 32 and the right plate are parallel and maintain a distance, and the front plate 33 and the rear plate 31 are respectively arranged at the front end and the rear end of the left plate 32 and the right plate to form a hollow wedge structure. The lower port of the hollow wedge-shaped guide hopper 20 is arranged on a through hole in the circumferential direction of the hollow shaft 19, the left plate 32 and the right plate of the hollow wedge-shaped guide hopper 20 respectively correspond to the semicircular left side plate and the semicircular right side plate of the open storage box 21,
the upper end of the rear plate 31 of the guide hopper 20 with the hollow wedge-shaped structure corresponds to the semicircular arc plate 34 of the open storage box 21.
For guiding materials conveniently, the rear plate 31 of the guide hopper 20 with the hollow wedge-shaped structure is of an arc-shaped plate structure, and the upper end of the arc-shaped plate corresponds to the semicircular arc-shaped plate 34 of the open storage box 21.
In order to simplify the construction and reduce the costs, the conveyor 17 is a screw conveyor,
for smooth operation, the axes of the cylinder 25 and the inner cylinder 16 are coincident.
In order to improve the material guiding effect, the number of the material guiding hoppers 20 is three to ten.
In the multistage grinding ultrafine powder production process, materials are crushed by a roller press 10, separated by a V-shaped powder separator 5, and then are separated again by an intelligent double-drive powder precise classifier 6 and collected by a cyclone collector 7, and respectively enter the front end and the rear end of an integrated grinding ball mill 10 for grinding respectively to obtain finished products, and then enter a cost warehouse; in the multistage grinding ultrafine powder production process system, the problems of large-scale continuous production, low quality and high production cost which cannot be realized in the prior art are solved by adopting the combination connection among the first lifter 1, the second lifter 2, the third lifter 13, the roller press 3, the weighing bin 4, the V-shaped powder selector 5, the intelligent double-drive powder precise classifier 6, the cyclone collector 7, the first fan 8, the bag-type dust remover 14 and the integrated type respectively grinding ball mill 10.
Claims (3)
1. A multistage grinding superfine powder production process comprises the following steps:
(1) Conveying materials from a cement batching station through a first lifter, entering a weighing bin through a feeding hole of the weighing bin, and enabling the materials in the weighing bin to enter a roller press through a discharging hole of the weighing bin for rolling and crushing;
(2) The materials which are rolled and crushed by a roller press in the step (1) are lifted to a feed inlet of a V-shaped powder concentrator by a lifting machine II, the materials enter the V-shaped powder concentrator for separation, air flow discharged from an air outlet of a fan I enters the V-shaped powder concentrator through an air inlet of the V-shaped powder concentrator through an air duct, the separated coarse materials enter a weighing bin through a feed inlet of the weighing bin, and the separated rest materials enter an intelligent double-drive powder precise classifier for separation along with the air flow;
(3) In the step (2), the materials sorted by the intelligent double-drive powder precise classifier are fed into the weighing bin through a pipeline and the feeding port of the weighing bin, the sorted coarse powder materials enter the integrated type separate grinding ball mill through the pipeline and the feeding port at the front part of the integrated type separate grinding ball mill for grinding, the sorted fine powder with the particle size smaller than 0.03 mm is collected by a cyclone collector, the air flow flowing out of the air outlet of the cyclone collector is sucked by the air inlet of a fan I, the fine powder with the particle size smaller than 0.03 mm is collected by the cyclone collector and enters the feeding port of the feeding and discharging device at the rear part of the integrated type separate grinding ball mill through the pipeline, the ground fine powder enters the integrated type separate grinding ball mill for grinding together with the materials contained in the integrated type separate grinding ball mill through the feeding port of the integrated type separate grinding ball mill, the ground powder enters the finished product warehouse through the elevator III, the discharged powder enters the finished product warehouse through the air outlet of the elevator III of the integrated type separate grinding ball mill, and the dust discharged from the air outlet of the integrated type separate grinding ball mill passes through the dust collector III of the dust collector.
2. The process for producing the multistage grinding ultrafine powder according to claim 1, wherein the integrated type separate grinding ball mill comprises a driving device, a feeding device, a cylinder body, a compartment plate, a feeding and discharging device, an inner cylinder body and a conveying device, wherein the feeding device and the feeding and discharging device are respectively arranged at the front end and the rear end of the cylinder body, the feeding device comprises a feeding port, the cylinder body is arranged on the driving device, the compartment plate is arranged in the cylinder body, the inner cylinder body is arranged inside the cylinder body through a supporting rod and is positioned at the rear part of the cylinder body, and one end of the conveying device is arranged at one end of the inner cylinder body; the feeding and discharging device comprises a shell, a hollow shaft, a rotary screen, a guide hopper, a guide channel and an open storage box, wherein the upper end of the shell is provided with a feeding hole, the lower part of the shell is provided with a discharging hole, the upper part of the shell is provided with an air outlet, the hollow shaft is positioned in the rotary screen, the rotary screen is positioned in the shell, one ends of the hollow shaft and the rotary screen are both arranged at the rear end of the cylinder body, the axial leads of the hollow shaft and the axial leads of the rotary screen are coincident, through holes are uniformly distributed in the circumferential direction of the hollow shaft, the guide channel comprises a straight pipe and an inclined pipe, one end of the straight pipe is arranged at the circumferential through hole of the hollow shaft, the other end of the straight pipe passes through the rotary screen and is connected with the lower end of the guide hopper, one end of the inclined pipe is connected with one end of the straight pipe, and the other end of the inclined pipe is connected with the feeding hole of the conveying device, a baffle plate is arranged between adjacent guide hoppers, the open storage box is composed of a semicircular left side plate, a semicircular right side plate and a semicircular arc plate, the large semicircular side edges of the semicircular left side plate and the semicircular right side plate are respectively arranged on the two side edges of the semicircular arc plate to form an open box body, the open box body is positioned on one side of the rotary screen and arranged on the shell, the guide hoppers positioned on one side of the hollow shaft are positioned in the open box body, the small semicircular side edges of the semicircular left side plate and the semicircular right side plate of the open box body and the outer Zhou Xiangpei of the rotary screen are provided with feed inlets, and the feed inlets are provided with feed pipes which penetrate through the shell; the light grinding bodies are arranged in the cylinder body and the inner cylinder body.
3. A multistage grinding ultrafine powder production process system is characterized by comprising a first lifting machine, a second lifting machine, a third lifting machine, a roller press, a weighing bin, a V-shaped powder selecting machine, an intelligent double-drive powder precise classifier, a cyclone collector, a first fan, a cloth bag dust collector and an integrated grinding ball mill respectively, wherein a discharge port of the first lifting machine is connected with a feed port of the weighing bin through a pipeline, a discharge port of the weighing bin is connected with a feed port of the roller press, a discharge port of the roller press is connected with a feed port of the second lifting machine through a pipeline, a discharge port of the second lifting machine is connected with a feed port of the V-shaped powder selecting machine through a pipeline, an air outlet of the first fan is connected with an air inlet of the V-shaped powder selecting machine through a pipeline, an air outlet of the V-shaped powder selecting machine is connected with an air inlet of the intelligent double-drive powder precise classifier through a pipeline, and an air outlet of the intelligent double-drive powder precise classifier is connected with an air inlet of the cyclone collector through a pipeline, the air outlet of the cyclone collector is connected with the air inlet of the fan I through a pipeline, the coarse powder pipe of the intelligent double-drive powder precise classifier is connected with the feed inlet of the weighing bin through a pipeline, the coarse powder pipe of the intelligent double-drive powder precise classifier is connected with the feed inlet of the front part of the integrated grinding ball mill respectively through a pipeline, the discharge outlet of the cyclone collector is connected with the feed inlet of the feed inlet device of the rear part of the integrated grinding ball mill respectively through an air conveying chute I and a pipeline, the discharge outlet of the feed inlet device of the rear part of the integrated grinding ball mill is connected with the feed inlet of the elevator III through an air conveying chute, the air outlet of the feed inlet device of the rear part of the integrated grinding ball mill respectively is connected with the air inlet of the bag dust collector through a pipeline, the air outlet of the bag dust collector is connected with the air inlet of the fan II through an air duct, the discharge port of the bag-type dust collector is connected with the feed port of the lifting machine III through a screw conveyor and a pipeline, and the discharge port of the lifting machine III is connected with a finished product warehouse through an air conveying chute II and a pipeline;
the integrated type separate grinding ball mill comprises a driving device, a feeding device, a cylinder body, a partition plate, a feeding and discharging device, an inner cylinder body and a conveying device, wherein the feeding device and the feeding and discharging device are respectively arranged at the front end and the rear end of the cylinder body; the feeding and discharging device comprises a shell, a hollow shaft, a rotary screen, a guide hopper, a guide channel and an open storage box, wherein the upper end of the shell is provided with a feeding hole, the lower part of the shell is provided with a discharging hole, the upper part of the shell is provided with an air outlet, the hollow shaft is positioned in the rotary screen, the rotary screen is positioned in the shell, one ends of the hollow shaft and the rotary screen are both arranged at the rear end of the cylinder body, the axial leads of the hollow shaft and the axial leads of the rotary screen are coincident, through holes are uniformly distributed in the circumferential direction of the hollow shaft, the guide channel comprises a straight pipe and an inclined pipe, one end of the straight pipe is arranged at the circumferential through hole of the hollow shaft, the other end of the straight pipe passes through the rotary screen and is connected with the lower end of the guide hopper, one end of the inclined pipe is connected with one end of the straight pipe, and the other end of the inclined pipe is connected with the feeding hole of the conveying device, a baffle plate is arranged between adjacent guide hoppers, the open storage box is composed of a semicircular left side plate, a semicircular right side plate and a semicircular arc plate, the large semicircular side edges of the semicircular left side plate and the semicircular right side plate are respectively arranged on the two side edges of the semicircular arc plate to form an open box body, the open box body is positioned on one side of the rotary screen and arranged on the shell, the guide hoppers positioned on one side of the hollow shaft are positioned in the open box body, the small semicircular side edges of the semicircular left side plate and the semicircular right side plate of the open box body and the outer Zhou Xiangpei of the rotary screen are provided with feed inlets, and the feed inlets are provided with feed pipes which penetrate through the shell; the light grinding bodies are arranged in the cylinder body and the inner cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN116002402A (en) * | 2023-01-16 | 2023-04-25 | 磷光科技有限公司 | Gypsum powder production discharging system |
| CN119263662B (en) * | 2024-10-08 | 2025-05-30 | 徐州皖江水泥技术有限公司 | Composite grading grinding process and preparation mechanism |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB535035A (en) * | 1939-11-08 | 1941-03-26 | Ernest Newell & Company Ltd | Improvements in or relating to combinations of wind-swept grinding or pulverising mills with classifiers |
| DK81486D0 (en) * | 1985-02-23 | 1986-02-21 | Kloeckner Humboldt Deutz Ag | APPLICATIONS FOR SUBDIVISION AND MILLING OF A SHOULDER MATERIAL, FOR example CEMENT CLINKS, ORE OR COAL |
| DE4023624A1 (en) * | 1989-09-15 | 1991-03-28 | Zementanlagen Und Maschinenbau | Tubular ball mill for cement processing - use lined process spaces and specified charge ball size using spheroidal graphite iron linings of triangular profile |
| DE4039079A1 (en) * | 1990-12-07 | 1992-06-11 | Heinz Jaeger | Limestone reduction - using hammer mill and rotary crusher before material is finely ground for cement |
| JP2002001155A (en) * | 2000-06-19 | 2002-01-08 | Kenjiro Makino | Method for preparation of ultrafinery pulverized natural material, ultrafinely pulverized natural material and pulverizing device used in this method for preparation of ultrafinely pulverized natural material |
| CN101664707A (en) * | 2008-09-02 | 2010-03-10 | 浙江明峰水泥有限公司 | Slag micropowder superfine open-circuit production line |
| CN103721831A (en) * | 2013-07-12 | 2014-04-16 | 孙世林 | Powder concentrating device in dry ball mill |
| CN104525338A (en) * | 2014-12-08 | 2015-04-22 | 宁夏锦绣实业有限公司 | Ultra-fine fly ash closed-circuit grinding production line and production process thereof |
| CN207478760U (en) * | 2017-11-02 | 2018-06-12 | 江苏吉能达环境能源科技有限公司 | A kind of multilevel grinding system for producing micropowder |
| CN207823174U (en) * | 2017-11-02 | 2018-09-07 | 江苏吉能达环境能源科技有限公司 | A kind of system of grinding superfine powder production technology |
-
2017
- 2017-11-02 CN CN201711065141.1A patent/CN107617501B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB535035A (en) * | 1939-11-08 | 1941-03-26 | Ernest Newell & Company Ltd | Improvements in or relating to combinations of wind-swept grinding or pulverising mills with classifiers |
| DK81486D0 (en) * | 1985-02-23 | 1986-02-21 | Kloeckner Humboldt Deutz Ag | APPLICATIONS FOR SUBDIVISION AND MILLING OF A SHOULDER MATERIAL, FOR example CEMENT CLINKS, ORE OR COAL |
| DE4023624A1 (en) * | 1989-09-15 | 1991-03-28 | Zementanlagen Und Maschinenbau | Tubular ball mill for cement processing - use lined process spaces and specified charge ball size using spheroidal graphite iron linings of triangular profile |
| DE4039079A1 (en) * | 1990-12-07 | 1992-06-11 | Heinz Jaeger | Limestone reduction - using hammer mill and rotary crusher before material is finely ground for cement |
| JP2002001155A (en) * | 2000-06-19 | 2002-01-08 | Kenjiro Makino | Method for preparation of ultrafinery pulverized natural material, ultrafinely pulverized natural material and pulverizing device used in this method for preparation of ultrafinely pulverized natural material |
| CN101664707A (en) * | 2008-09-02 | 2010-03-10 | 浙江明峰水泥有限公司 | Slag micropowder superfine open-circuit production line |
| CN103721831A (en) * | 2013-07-12 | 2014-04-16 | 孙世林 | Powder concentrating device in dry ball mill |
| CN104525338A (en) * | 2014-12-08 | 2015-04-22 | 宁夏锦绣实业有限公司 | Ultra-fine fly ash closed-circuit grinding production line and production process thereof |
| CN207478760U (en) * | 2017-11-02 | 2018-06-12 | 江苏吉能达环境能源科技有限公司 | A kind of multilevel grinding system for producing micropowder |
| CN207823174U (en) * | 2017-11-02 | 2018-09-07 | 江苏吉能达环境能源科技有限公司 | A kind of system of grinding superfine powder production technology |
Non-Patent Citations (1)
| Title |
|---|
| 超细粉体制备技术的应用和发展;张国旺, 黄圣生;化工矿物与加工(第12期);全文 * |
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