CN111013696A - Dust protected ore crushing equipment - Google Patents
Dust protected ore crushing equipment Download PDFInfo
- Publication number
- CN111013696A CN111013696A CN201911201815.5A CN201911201815A CN111013696A CN 111013696 A CN111013696 A CN 111013696A CN 201911201815 A CN201911201815 A CN 201911201815A CN 111013696 A CN111013696 A CN 111013696A
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- dust
- spring
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- heavy impact
- ore
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to the technical field of ore processing equipment, in particular to dustproof ore crushing equipment, which comprises a sealed bin, a crushing device and a collecting bin, wherein the crushing device is arranged at the top of the sealed bin; the dustproof ore crushing equipment provided by the invention can continuously and efficiently crush ores, so that the granularity after crushing is more uniform, and the dustproof ore crushing equipment is miniaturized and energy-saving; the whole process is carried out under a closed condition, so that dust explosion and dust leakage are prevented, and the field environment is good; the sealed bin is provided with the air suction holes along the tangential direction of the cylindrical surface, negative pressure and annular airflow are formed in the sealed bin, and dust can enter the cyclone dust collector and the bag type dust collector along with the airflow and is convenient for workers to collect, so that the dust concentration in the equipment cannot reach the dust explosion condition, and the dust explosion is avoided; the outside air is constantly sucked into the equipment, and the air can also carry out air cooling on the equipment while taking away dust in the equipment.
Description
Technical Field
The invention relates to the technical field of ore processing equipment, in particular to dustproof ore crushing equipment.
Background
In the metallurgical, chemical and other industrial sectors, a large amount of raw materials are treated by crushers each year, which play an important role in many sectors. For example, in order for a mill to separate useful ore into individual pieces, a crusher must be used to crush the ore to the particle size required for the crushing process. In industries such as coking, sintering, ceramics, glass industry, powder metallurgy and the like, a crusher is also needed to crush the materials to the size requirement of the next step; in chemical plants, chemical laboratories and the like, crushing machinery crushes raw materials to increase the surface area of the materials, shorten the chemical reaction time of the materials and achieve better preparation effect.
At present, the technology and equipment for producing domestic alloy all reach the advanced level of the world, but the process equipment and the production flow for preparing the alloy powder are quite laggard, so that the environment is polluted, and explosion accidents are generated by dust to bring huge economic loss to enterprises, so that how to eliminate the dust explosion becomes the primary problem of the industry.
The existing enterprises adopt an open-air or semi-open-air mode to solve the problem of dust explosion, dust is discharged into the air, and the concentration of the dust is diluted by the air to avoid the occurrence of dust explosion, but the mode can cause environmental pollution; the nitrogen protection is utilized by other enterprises to solve the problem of dust explosion, but the method has huge cost and high maintenance cost; the other enterprises adopt an external dust removal mode, namely a dust removal device is arranged above the crusher or the discharge port, but the mode has poor dust removal effect and cannot fundamentally solve the problems of dust explosion and environmental pollution; and the existing ore crushing devices, such as a jaw crusher, a roller crusher and the like, have the defects of large volume, high energy consumption and uneven ore crushing particles, and are not suitable for the ore crushing work in rooms or other small places.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the crusher has the advantages of large volume, high energy consumption and uneven crushed ore particles.
In order to solve the technical problems, the invention adopts the technical scheme that: a dust-proof ore crushing device comprises a sealed bin, a crushing device and a collecting bin, wherein the crushing device is arranged at the top of the sealed bin;
the crushing device comprises a heavy impact device and a workbench, wherein the heavy impact device is provided with a fixed plate, the workbench is positioned below the heavy impact device, an electromagnetic driving head and a heavy impact driving head are arranged below the heavy impact device, an electromagnetic fixed head positioned under the electromagnetic driving head and a heavy impact fixed head positioned under the heavy impact driving head are arranged on the workbench, when opposite polarities are kept between the electromagnetic fixed head and the electromagnetic driving head, the heavy impact device drives the heavy impact driving head to downwards heavy impact ores placed on the heavy impact fixed head through a guide rod vertically fixed between the workbench and the fixed plate, and when the polarities become the same, the heavy impact device drives the heavy impact driving head to upwards move to the original position.
The dustproof ore crushing equipment further comprises a cyclone dust collector, a fan and a bag type dust collector, wherein the air suction hole of the sealed bin is connected with the inlet of the cyclone dust collector, the outlet of the cyclone dust collector is connected with the inlet of the fan, and the outlet of the fan is connected with the inlet of the bag type dust collector.
The dustproof ore crushing equipment further comprises a material screening device, the material screening device comprises a drum screen, the drum screen is obliquely arranged, two discharge ports are formed in the lower portion of the drum screen, a first collecting tank is arranged at the position, close to the feed port of the drum screen, of the discharge port, a second collecting tank is arranged below the other discharge port, the first collecting tank is used for collecting ore powder with small particle size, and the second collecting tank is used for collecting ore powder with large particle size.
The workbench further comprises a cam, a motor and a spring device located above the cam, the cam is connected with the motor through a transmission rod, the motor drives the cam to rotate, and then the spring device is controlled to reciprocate up and down.
The workbench further comprises spring sleeves positioned on the left side and the right side of the workbench, and the spring devices reciprocate up and down in the spring sleeves.
The spring device comprises a spring barrel, a spring, a lower fixing block and an upper fixing block, wherein the lower fixing block is fixed at the bottom of the spring barrel, the top of the spring is connected with the upper fixing block, and the bottom of the spring is connected with the lower fixing block.
The force of the cam compression spring is smaller than the attractive force between the electromagnetic fixed head and the electromagnetic movable head.
The invention has the beneficial effects that: the dust-proof ore crushing equipment provided by the invention can continuously and efficiently crush ores, so that the granularity after crushing is finer and more uniform, and the dust-proof ore crushing equipment is miniaturized and energy-saving; the whole process is carried out under a closed condition by adopting an internal dust removal mode, so that dust explosion and dust leakage are prevented, and the field environment is good; the sealed bin is provided with the air suction holes along the tangential direction of the cylindrical surface, negative pressure and annular airflow are formed in the sealed bin under the action of the fan, materials can be settled in the material collecting bin, and dust can enter the cyclone dust collector and the bag type dust collector along with the airflow and is convenient for workers to collect, so that the concentration of the dust in the equipment cannot reach the dust explosion condition, and the dust explosion is avoided; the outside air is continuously sucked into the equipment, and the air can carry away dust in the equipment and simultaneously can carry out air cooling on the equipment, so that the equipment is prevented from being overheated, and the dust explosion is further avoided; if the sealing performance of the equipment is poor, the dust outside the equipment can still be sucked into the equipment due to the negative pressure inside the equipment, and the field production environment is ensured.
Drawings
Fig. 1 is a schematic structural view of a dust-proof ore crushing apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a crushing device of a dust-proof ore crushing plant according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a drum screen of a dust-proof ore crushing apparatus according to an embodiment of the present invention;
description of reference numerals:
1. sealing the bin; 2. a crushing device; 21. a work table; 211. a transmission rod; 212. a cam; 213. a motor; 214. a spring device; 2141. a spring case; 2142. a spring; 2143. a lower fixed block; 2144. an upper fixed block; 215. electromagnetic head fixing; 216. the fixed head is hit; 217. a spring housing; 22. a guide bar; 23. a pounding device; 231. a guide rod sleeve; 232. an electromagnetic head; 233. the movable head is hit again; 3. a material collecting bin; 4. a shakelong dust remover; 5. a fan; 6. a bag type dust collector; 7. a drum screen; 8. a first collection tank; 9. a second collection tank.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, 2 and 3, the dust-proof ore crushing equipment of the present invention includes a sealed bin 1, a crushing device 2 and a material collecting bin 3, wherein the crushing device 2 is arranged on the top of the sealed bin 1, the material collecting bin 3 is arranged in the sealed bin 1, and the sealed bin 1 is provided with air suction holes along the tangential direction of the cylindrical surface thereof;
the crushing device 2 comprises a heavy striking device 23 provided with a fixing plate and a workbench 21 located below the heavy striking device 23, an electromagnetic driving head 232 and a heavy striking head 233 are arranged below the heavy striking device 23, an electromagnetic fixed head 215 located right below the electromagnetic driving head 232 and a heavy striking fixed head 216 located right below the heavy striking head 233 are arranged on the workbench 21, when opposite polarities are kept between the electromagnetic fixed head 215 and the electromagnetic driving head 232, the heavy striking device 23 drives the heavy striking head 233 to downwards heavy strike ores placed on the heavy striking fixed head 216 through a guide rod 22 vertically fixed between the workbench 21 and the fixing plate, and when the polarities are the same, the heavy striking device 23 drives the heavy striking head 233 to upwards move to the original position.
The working principle of the dustproof ore crushing equipment is as follows: the materials enter from the feeding hole of the crushing device 2 for rough crushing, the control box controls the motor 213, the electromagnetic moving head 232 and the electromagnetic fixed head 215 to work, the electromagnetic moving head 232 and the electromagnetic fixed head 215 are controlled to keep opposite polarities to realize strong attraction of the electromagnetic moving head 232 and the electromagnetic fixed head 215 until the electromagnetic moving head 232 and the electromagnetic fixed head 215 are kept in contact, and at the moment, the lower surface of the fixing plate is kept in contact with the upper fixing block 2144 and compresses the spring downwards; meanwhile, the motor 213 controls the cam 212 to rotate to the highest position; subsequently, the polarity between the electromagnetic moving head 232 and the electromagnetic fixed head 215 is changed to be the same, so that the pounding device 23 rises to a high position and is separated from the upper fixed block 2144; then changing magnetism, the electromagnetic movable head 232 and the electromagnetic fixed head 215 become opposite attraction, driving the heavy impact movable head 233 to strike the ore downwards, and then continuously repeating the steps; then the material enters the material collecting bin 3 positioned in the sealed bin 1 from the discharge port of the crushing device 2, air can also enter from the feed inlet of the crushing device 2 under the action of the fan 5, when the air passes through the crushing device 2, dust in the crushing device 2 can be taken away, meanwhile, the air cooling can be carried out on the crushing device 2, the material is prevented from generating dust explosion in the crushing process, the air enters the sealed bin 1 from the crushing device 2 and enters the cyclone dust remover 4 through the air suction hole of the sealed bin 1, annular airflow can be formed in the sealed bin 1 by the air, the material is settled in the material collecting bin 3, the dust enters the cyclone dust remover 4 along with the airflow, under the action of the cyclone dust remover 4, the dust is further separated, most of the dust is settled at the lower part of the cyclone dust remover 4, and a small part of the dust enters the bag type dust remover 6 from the upper part of the cyclone dust remover 4 for collection; after the materials in the material collecting bin 3 are fully collected, the door of the sealed bin 1 is opened, the material collecting bin 3 is taken out, the discharge hole of the material collecting bin 3 is connected to the feed inlet of the rotary screen 7, the rotary screen 7 screens and separates the materials, the first collecting tank 8 is used for collecting mineral powder with the particle size of 0-3mm, the second collecting tank 910 is used for collecting mineral powder with the particle size of 3-8mm, wherein the mineral powder with the particle size of 0-3mm is used as a finished product, and the mineral powder with the particle size of 3-8mm is put into the crushing device 2 again.
Further, dust protected ore crushing equipment still includes husky dragon dust remover 4, fan 5 and bag collector 6, the suction hole of sealed storehouse 1 links to each other with the import of husky dragon dust remover 4, the export of husky dragon dust remover 4 links to each other with the import of fan 5, the export of fan 5 links to each other with the import of bag collector 6.
Furthermore, dust protected ore crushing equipment still includes material sieving mechanism, material sieving mechanism includes drum sieve 7, drum sieve 7 slant sets up, and the lower part of drum sieve 7 is provided with twice discharge gate, and the discharge gate department that is close to the feed inlet of drum sieve 7 is provided with first collection tank 8, and the below of another discharge gate is provided with second collection tank 9, first collection tank 8 is used for collecting the powdered ore of small particle size, second collection tank 9 is used for collecting the powdered ore of large particle size.
Further, the working table 21 further comprises a cam 212, a motor 213 and a spring device 214 located above the cam 212, the cam 212 is connected with the motor 213 through a transmission rod 211, and the motor 213 drives the cam 212 to rotate, so as to control the spring device 214 to reciprocate up and down.
Further, the working table 21 further comprises spring sleeves 217 positioned at the left and right sides of the working table 21, and the spring device 214 reciprocates up and down in the spring sleeves 217.
Further, the spring device 214 includes a spring barrel 2141, a spring, a lower fixing block 2143, and an upper fixing block 2144, the lower fixing block 2143 is fixed to the bottom of the spring barrel 2141, the top of the spring is connected to the upper fixing block 2144, and the bottom of the spring is connected to the lower fixing block 2143.
Further, the force of the cam 212 compressing the spring is smaller than the attractive force between the electromagnetic stator 215 and the electromagnetic moving head 232.
The first embodiment is as follows:
a dust-proof ore crushing device comprises a sealed bin 1, a crushing device 2 and a material collecting bin 3, wherein the crushing device 2 is arranged at the top of the sealed bin 1, the material collecting bin 3 is arranged in the sealed bin 1, and a suction hole is formed in the sealed bin 1 along the tangential direction of a cylindrical surface of the sealed bin;
the crushing device 2 comprises a heavy striking device 23 provided with a fixed plate and a workbench 21 positioned below the heavy striking device 23, an electromagnetic driving head 232 and a heavy striking head 233 are arranged below the heavy striking device 23, an electromagnetic fixed head 215 positioned right below the electromagnetic driving head 232 and a heavy striking fixed head 216 positioned right below the heavy striking head 233 are arranged on the workbench 21, when the opposite polarity is kept between the electromagnetic fixed head 215 and the electromagnetic driving head 232, the heavy striking device 23 drives the heavy striking head 233 to downwards heavy strike ores placed on the heavy striking fixed head 216 while moving downwards through a guide rod 22 vertically fixed between the workbench 21 and the fixed plate, and when the polarities are the same, the heavy striking device 23 drives the heavy striking head 233 to move upwards to the original position;
the dustproof ore crushing equipment further comprises a sand-dragon dust remover 4, a fan 5 and a bag-type dust remover 6, wherein the air suction hole of the sealed bin 1 is connected with the inlet of the sand-dragon dust remover 4, the outlet of the sand-dragon dust remover 4 is connected with the inlet of the fan 5, and the outlet of the fan 5 is connected with the inlet of the bag-type dust remover 6;
the dustproof ore crushing equipment further comprises a material screening device, the material screening device comprises a drum screen 7, the drum screen 7 is obliquely arranged, two discharge ports are formed in the lower portion of the drum screen 7, a first collecting tank 8 is arranged at a discharge port close to a feed port of the drum screen 7, a second collecting tank 9 is arranged below the other discharge port, the first collecting tank 8 is used for collecting ore powder with small particle size, and the second collecting tank 9 is used for collecting ore powder with large particle size;
the worktable 21 further comprises a cam 212, a motor 213 and a spring device 214 positioned above the cam 212, the cam 212 is connected with the motor 213 through a transmission rod 211, and the motor 213 drives the cam 212 to rotate so as to control the spring device 214 to reciprocate up and down;
the workbench 21 further comprises spring sleeves 217 positioned at the left side and the right side of the workbench 21, and the spring devices 214 reciprocate up and down in the spring sleeves 217;
the spring device 214 comprises a spring barrel 2141, a spring, a lower fixing block 2143 and an upper fixing block 2144, the lower fixing block 2143 is fixed at the bottom of the spring barrel 2141, the top of the spring is connected with the upper fixing block 2144, and the bottom of the spring is connected with the lower fixing block 2143;
the force of the cam 212 compressing the spring is less than the attractive force between the electromagnetic stator 215 and the electromagnetic mover 232.
In conclusion, the dust-proof ore crushing equipment provided by the invention can continuously and efficiently crush ores, so that the crushed granularity is finer and more uniform, and the dust-proof ore crushing equipment is miniaturized and energy-saving; the whole process is carried out under a closed condition by adopting an internal dust removal mode, so that dust explosion and dust leakage are prevented, and the field environment is good; the sealed bin is provided with the air suction holes along the tangential direction of the cylindrical surface, negative pressure and annular airflow are formed in the sealed bin under the action of the fan, materials can be settled in the material collecting bin, and dust can enter the cyclone dust collector and the bag type dust collector along with the airflow and is convenient for workers to collect, so that the concentration of the dust in the equipment cannot reach the dust explosion condition, and the dust explosion is avoided; the outside air is continuously sucked into the equipment, and the air can carry away dust in the equipment and simultaneously can carry out air cooling on the equipment, so that the equipment is prevented from being overheated, and the dust explosion is further avoided; if the sealing performance of the equipment is poor, the dust outside the equipment can still be sucked into the equipment due to the negative pressure inside the equipment, and the field production environment is ensured.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (7)
1. A dustproof ore crushing device is characterized by comprising a sealed bin, a crushing device and a collecting bin, wherein the crushing device is arranged at the top of the sealed bin;
the crushing device comprises a heavy impact device and a workbench, wherein the heavy impact device is provided with a fixed plate, the workbench is positioned below the heavy impact device, an electromagnetic driving head and a heavy impact driving head are arranged below the heavy impact device, an electromagnetic fixed head positioned under the electromagnetic driving head and a heavy impact fixed head positioned under the heavy impact driving head are arranged on the workbench, when opposite polarities are kept between the electromagnetic fixed head and the electromagnetic driving head, the heavy impact device drives the heavy impact driving head to downwards heavy impact ores placed on the heavy impact fixed head through a guide rod vertically fixed between the workbench and the fixed plate, and when the polarities become the same, the heavy impact device drives the heavy impact driving head to upwards move to the original position.
2. The dust-protected ore crushing apparatus according to claim 1, further comprising a cyclone dust collector, a fan and a bag dust collector, wherein the suction hole of the sealed bin is connected to an inlet of the cyclone dust collector, an outlet of the cyclone dust collector is connected to an inlet of the fan, and an outlet of the fan is connected to an inlet of the bag dust collector.
3. The dust-proof ore crushing equipment according to claim 1 or 2, further comprising a material screening device, wherein the material screening device comprises a drum screen, the drum screen is obliquely arranged, two discharge ports are arranged at the lower part of the drum screen, a first collecting tank is arranged at the discharge port close to the feed port of the drum screen, a second collecting tank is arranged below the other discharge port, the first collecting tank is used for collecting ore powder with small particle size, and the second collecting tank is used for collecting ore powder with large particle size.
4. The dust protected ore crushing apparatus of claim 1 wherein the table further comprises a cam, a motor and a spring device located above the cam, the cam is connected to the motor through a drive rod, and the motor drives the cam to rotate, thereby controlling the spring device to reciprocate up and down.
5. The dust protected ore crushing apparatus of claim 1 wherein the table further comprises spring housings on the left and right sides of the table, the spring means reciprocating up and down within the spring housings.
6. The dust protected ore crushing apparatus of claim 1, wherein the spring device comprises a spring barrel, a spring, a lower fixing block and an upper fixing block, the lower fixing block is fixed at the bottom of the spring barrel, the top of the spring is connected with the upper fixing block, and the bottom of the spring is connected with the lower fixing block.
7. The dust protected ore crushing apparatus of claim 1 wherein the force of the cam compression spring is less than the attractive force between the electromagnetic stator and the electromagnetic rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911201815.5A CN111013696A (en) | 2019-11-29 | 2019-11-29 | Dust protected ore crushing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911201815.5A CN111013696A (en) | 2019-11-29 | 2019-11-29 | Dust protected ore crushing equipment |
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| Publication Number | Publication Date |
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| CN111013696A true CN111013696A (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911201815.5A Pending CN111013696A (en) | 2019-11-29 | 2019-11-29 | Dust protected ore crushing equipment |
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| CN (1) | CN111013696A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112076820A (en) * | 2020-08-15 | 2020-12-15 | 陈平房 | Utilize fodder belt cleaning device of centrifugal force screening |
| CN117299322A (en) * | 2023-10-08 | 2023-12-29 | 安徽海螺资源综合利用科技有限公司 | Crushing and screening system with negative pressure dust removal function |
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| US20060124784A1 (en) * | 2003-01-23 | 2006-06-15 | Mutsumi Takahashi | Fluidized bed pulverizing and classifying apparatus, and method of pulverizing and classifying solids |
| CN105170290A (en) * | 2015-10-21 | 2015-12-23 | 马自民 | Ore crushing machine unit |
| CN108097357A (en) * | 2017-12-18 | 2018-06-01 | 江苏师范大学 | Ore reduction device |
| CN109395809A (en) * | 2018-10-25 | 2019-03-01 | 北京博纳菲德科技有限公司 | A kind of dustless lithotripsy apparatus of civil construction project |
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2019
- 2019-11-29 CN CN201911201815.5A patent/CN111013696A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060124784A1 (en) * | 2003-01-23 | 2006-06-15 | Mutsumi Takahashi | Fluidized bed pulverizing and classifying apparatus, and method of pulverizing and classifying solids |
| CN105170290A (en) * | 2015-10-21 | 2015-12-23 | 马自民 | Ore crushing machine unit |
| CN108097357A (en) * | 2017-12-18 | 2018-06-01 | 江苏师范大学 | Ore reduction device |
| CN109395809A (en) * | 2018-10-25 | 2019-03-01 | 北京博纳菲德科技有限公司 | A kind of dustless lithotripsy apparatus of civil construction project |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112076820A (en) * | 2020-08-15 | 2020-12-15 | 陈平房 | Utilize fodder belt cleaning device of centrifugal force screening |
| CN117299322A (en) * | 2023-10-08 | 2023-12-29 | 安徽海螺资源综合利用科技有限公司 | Crushing and screening system with negative pressure dust removal function |
| CN117299322B (en) * | 2023-10-08 | 2024-03-19 | 安徽海螺资源综合利用科技有限公司 | Crushing and screening system with negative pressure dust removal function |
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Application publication date: 20200417 |
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