CN112474009A - Silicon carbide dry material micro powder processing device - Google Patents
Silicon carbide dry material micro powder processing device Download PDFInfo
- Publication number
- CN112474009A CN112474009A CN202011036039.0A CN202011036039A CN112474009A CN 112474009 A CN112474009 A CN 112474009A CN 202011036039 A CN202011036039 A CN 202011036039A CN 112474009 A CN112474009 A CN 112474009A
- Authority
- CN
- China
- Prior art keywords
- miropowder
- drainage tube
- silicon carbide
- storehouse
- micro
- 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.)
- Pending
Links
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 69
- HBMJWWWQQXIZIP-UHFFFAOYSA-N Silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000000463 material Substances 0.000 title claims abstract description 16
- 238000009700 powder processing Methods 0.000 title abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 71
- 238000002955 isolation Methods 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims description 30
- 239000004744 fabric Substances 0.000 claims description 20
- 241000681094 Zingel asper Species 0.000 claims description 18
- 239000008187 granular material Substances 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 230000000576 supplementary Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000428 dust Substances 0.000 description 5
- 230000002035 prolonged Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 210000003491 Skin Anatomy 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- 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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
-
- 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
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
Abstract
The silicon carbide dry material micro-powder processing device comprises a pulverizer, a first drainage tube, a micro-powder collecting device, a second drainage tube, a negative pressure fan, a third drainage tube and a micro-powder recovering device, wherein an outlet of the pulverizer is communicated with the first end of the first drainage tube, the second end of the first drainage tube is communicated with the upper end of the micro-powder collecting device, the top of the micro-powder collecting device is communicated with the first end of the second drainage tube, the second end of the second drainage tube is communicated with an air inlet of the negative pressure fan, an air outlet of the negative pressure fan is communicated with the first end of the third drainage tube, the second end of the third drainage tube is communicated with the upper end of the micro-powder recovering device, the micro-powder collecting device comprises a micro-powder collecting bin, an isolating cover plate, a supporting framework and an isolating net, the top of the micro-powder collecting bin is communicated with the first end of the second drainage tube, the upper end of the supporting framework is fixedly connected with the edge of the flow guide hole, and the isolation net covers the supporting framework.
Description
Technical Field
The invention relates to the technical field of silicon carbide production, in particular to a silicon carbide dry material micro powder processing device.
Background
The silicon carbide slurry is in a plate shape after being ground, decontaminated and dried, and is similar to a hardened skin on a dried riverbed. Silicon carbide powder is used for actually producing silicon carbide products. Therefore, it is necessary to crush the silicon carbide in the form of a plate into a fine powder. In the prior art, silicon carbide is ground into powder by a grinder, and the ground silicon carbide is sucked into a filter cloth bag by a negative pressure fan, collected and exhausted. The impact that the air current of carborundum powder caused the filter cloth bag is very big, can produce very big dust, and site environment is very influenced to these dust, and the dust passes through positions such as gap entering negative-pressure air fan's blade and bearing simultaneously, can seriously influence negative-pressure air fan's life.
Disclosure of Invention
In view of the above, it is necessary to provide a processing apparatus for silicon carbide dry material micro powder with less dust emission and less abrasion to a fan.
The utility model provides a carborundum drier miropowder processingequipment includes rubbing crusher, first drainage tube, miropowder collection device, second drainage tube, negative-pressure air fan, third drainage tube, miropowder recovery unit, the export of rubbing crusher and the first end intercommunication of first drainage tube, the second end of first drainage tube and miropowder collection device's upper end intercommunication, miropowder collection device's top and the first end intercommunication of second drainage tube, the second end and negative-pressure air fan's air intake intercommunication of second drainage tube, negative-pressure air fan's air outlet and the first end intercommunication of third drainage tube, the second end and the miropowder recovery unit's of third drainage tube upper end intercommunication, miropowder collection device includes miropowder collection storehouse, isolation apron, supporting framework, isolation net, the top and the first end intercommunication of second drainage tube are collected to the miropowder in storehouse, and the upper end in miropowder collection, the bottom in storehouse is collected to the miropowder is equipped with the discharge gate, keeps apart the apron and is located the upper end in storehouse is collected to the miropowder, keeps apart the apron and collects the lateral wall fixed connection in storehouse with the miropowder to collect the storehouse and fall into two independent cavities, keep apart a plurality of water conservancy diversion holes that distribute on the apron, so that gas passes through, the border fixed connection in the upper end of braced frame and water conservancy diversion hole, separation net cover on braced frame, the export of the second end of first drainage tube is located the lower extreme of keeping apart the apron, with silicon carbide powder and the gas separation that will get into the miropowder.
Preferably, the outlet direction of the first draft tube is in the tangential direction of the micro powder collecting bin so as to perform cyclone separation on the silicon carbide micro powder.
Preferably, miropowder collection device still includes large granule separator to with the large granule separation in the carborundum miropowder, large granule separator includes screw conveyer, vibration separation sieve, screw conveyer's feed inlet and miropowder collection storehouse discharge gate intercommunication, screw conveyer's discharge gate and the top intercommunication that vibration separation shone are in order to separate the large granule in the carborundum miropowder through the vibration separation sieve.
Preferably, miropowder collection device still includes the supplementary unloader of miropowder to with the adhesion under the carborundum landing of miropowder collection storehouse lateral wall, supplementary unloader is including solid fixed ring, vibrating motor, gu fixed ring establishes with the lower pot head in miropowder collection storehouse and is connected, vibrating motor and solid fixed ring fixed connection to make the miropowder collect the storehouse vibration through vibrating motor, thereby shake the carborundum of adhesion on the miropowder collection storehouse and fall.
Preferably, the upper end of the support framework is provided with a flanging, and the support framework is in lap joint with the isolation cover plate by utilizing the flanging.
Preferably, a plurality of threaded holes are formed in the flanging and the supporting framework, and external screws penetrate through the threaded holes to fixedly connect the flanging and the supporting framework.
Preferably, the micro powder recovery device comprises a flow dividing pipe and a filtering cloth bag, one side of the flow dividing pipe is communicated with the second end of the third drainage pipe, an air outlet is formed in the lower end of the flow dividing pipe, the upper end of the filtering cloth bag is communicated with the air outlet of the flow dividing pipe, and the lower end of the filtering cloth bag is sealed.
Has the advantages that: the invention relates to a silicon carbide dry material micro-powder processing device which comprises a crusher, a first drainage tube, a micro-powder collecting device, a second drainage tube, a negative pressure fan, a third drainage tube and a micro-powder recovering device, wherein the outlet of the crusher is communicated with the first end of the first drainage tube, the second end of the first drainage tube is communicated with the upper end of the micro-powder collecting device, the top of the micro-powder collecting device is communicated with the first end of the second drainage tube, the second end of the second drainage tube is communicated with the air inlet of the negative pressure fan, the air outlet of the negative pressure fan is communicated with the first end of the third drainage tube, the second end of the third drainage tube is communicated with the upper end of the micro-powder recovering device, the micro-powder collecting device comprises a micro-powder collecting bin, an isolating cover plate, a supporting framework and an isolating net, the top of the micro-powder collecting bin is communicated with the first end of the, the bottom in storehouse is collected to the miropowder is equipped with the discharge gate, keeps apart the apron and is located the upper end in storehouse is collected to the miropowder, keeps apart the apron and collects the lateral wall fixed connection in storehouse with the miropowder to collect the storehouse and fall into two independent cavities, keep apart a plurality of water conservancy diversion holes that distribute on the apron, so that gas passes through, the border fixed connection in the upper end of braced frame and water conservancy diversion hole, separation net cover on braced frame, the export of the second end of first drainage tube is located the lower extreme of keeping apart the apron, with silicon carbide powder and the gas separation that will get into the miropowder. The silicon carbide blocks are firstly put into a micro-powder collecting device after being crushed. The micro powder collecting device adopts a closed structure, so that a large amount of silicon carbide micro powder can not be diffused in a dust form, and the operating environment is optimized. Through the separation of the micro powder collecting device, the quantity of the silicon carbide micro powder entering the negative pressure fan is greatly reduced, so that the abrasion to the negative pressure fan is effectively reduced, and the service life of the negative pressure fan is prolonged. And the impact on the filter cloth bag is small, so that the service life of the filter cloth bag is prolonged.
Drawings
Fig. 1 is a schematic structural view of a silicon carbide dry material micro-powder processing device of the present invention.
FIG. 2 is a sectional view of a dry silicon carbide micropowder processing apparatus according to the present invention.
Fig. 3 is a partial structural schematic diagram of fig. 2.
Fig. 4 is a schematic structural diagram of the support frame of the present invention.
In the figure: the device comprises a silicon carbide dry material micro-powder processing device 10, a pulverizer 20, a first drainage tube 30, a micro-powder collecting device 40, a micro-powder collecting bin 401, an isolating cover plate 402, a supporting framework 403, an outward flanging 4031, an isolating net 404, a large-particle separating device 405, a spiral conveyer 4051, a vibrating separating sieve 4052, an auxiliary blanking device 406, a fixing ring 4061, a vibrating motor 4062, a second drainage tube 50, a negative pressure fan 60, a third drainage tube 70, a micro-powder recycling device 80, a shunt tube 801 and a filtering cloth bag 802.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 to 4, a silicon carbide dry material micro powder processing device 10 includes a pulverizer 20, a first drainage tube 30, a micro powder collecting device 40, a second drainage tube 50, a negative pressure fan 60, a third drainage tube 70, and a micro powder recovering device 80, an outlet of the pulverizer 20 is communicated with a first end of the first drainage tube 30, a second end of the first drainage tube 30 is communicated with an upper end of the micro powder collecting device 40, a top of the micro powder collecting device 40 is communicated with a first end of the second drainage tube 50, a second end of the second drainage tube 50 is communicated with an air inlet of the negative pressure fan 60, an air outlet of the negative pressure fan 60 is communicated with a first end of the third drainage tube 70, a second end of the third drainage tube 70 is communicated with an upper end of the micro powder recovering device 80, the micro powder collecting device 40 includes a micro powder collecting bin 401, an isolating cover plate 402, a supporting framework 403, and an isolating net 404, a top of the micro powder collecting bin 401 is communicated with the first, storehouse 401 is collected to miropowder's upper end is cylindricly, and storehouse 401 is collected to miropowder's lower extreme is the taper, and storehouse 401 is collected to miropowder's bottom is equipped with the discharge gate, keeps apart apron 402 and is located the upper end that storehouse 401 was collected to miropowder, keeps apart apron 402 and miropowder collection storehouse 401's lateral wall fixed connection, in order to divide into two independent cavities with miropowder collection storehouse 401, keep apart a plurality of guiding holes that distribute on the apron 402, so that gas passes through, the border fixed connection of the upper end of braced frame 403 and guiding hole, keep apart net 404 and cover on braced frame 403, the export of the second end of first drainage tube 30 is located the lower extreme of keeping apart apron 402, in order to collect.
The silicon carbide dry material micro powder processing device 10 is provided with the micro powder collecting device 40 to collect the crushed silicon carbide micro powder. Because the crushed silicon carbide micro powder enters the micro powder collecting device 40 and then enters the negative pressure fan 60, the density of the silicon carbide micro powder in the air entering the negative pressure fan 60 is greatly reduced, and the damage of the silicon carbide micro powder to the negative pressure fan 60 is reduced. Meanwhile, the micro powder collecting device 40 adopts a fully-closed structure, so that the silicon carbide micro powder is effectively prevented from diffusing into the air, the yield of the silicon carbide micro powder is improved, the content of the silicon carbide micro powder in the air is reduced, and the operating environment is optimized. The support framework 403 and the isolation net 404 are arranged in the micro powder collecting device 40, so that the contact area of the upper chamber and the lower chamber in the micro powder collecting bin 401 is greatly increased, the amount of micro powder in unit area is reduced, gas can easily permeate through the isolation net 404, the silicon carbide micro powder is prevented from being blocked, the damage of the isolation net 404 is avoided, or the service life of the isolation net 404 is shortened. In a preferred embodiment, the separation screen 404 is a textile, rather than a metal, to prevent secondary contamination of the silicon carbide.
Further, the outlet direction of the first draft tube 30 is in the tangential direction of the micro powder collecting bin 401, so as to perform cyclone separation on the silicon carbide micro powder.
Through cyclone separation, heavier silicon carbide micropowder spirals down to the bottom of the micropowder collection bin 401 along the side wall of the micropowder collection bin 401. A small amount of silicon carbide micro powder and gas are separated through the separation net 404, enter the negative pressure fan 60 through the gas outlet at the top, and are recycled through the micro powder recycling device 80, and silicon carbide is secondarily separated. Therefore, the separation pressure of the separation net 404 in the micro powder collection bin 401 is greatly relieved, the separation efficiency is improved, and the service life of the separation net 404 is prolonged.
Further, miropowder collection device 40 still includes large granule separator 405 to with the large granule separation in the carborundum miropowder, large granule separator 405 includes screw conveyer 4051, vibration separating sieve 4052, the feed inlet of screw conveyer 4051 and the discharge gate intercommunication of miropowder collection storehouse 401, the top intercommunication that the discharge gate and the vibration separation of screw conveyer 4051 shine, with the large granule separation in the carborundum miropowder through vibration separating sieve 4052.
The production of follow-up carborundum series product can be brought very big influence by the not smashed carborundum large granule of trace, through the separation of large granule separator 405, with these trace large granules and miropowder separation to can promote the quality of carborundum.
Further, miropowder collection device 40 still includes the supplementary unloader 406 of miropowder to with the adhesion under the carborundum landing of miropowder collection storehouse 401 lateral wall, supplementary unloader 406 is including solid fixed ring 4061, vibrating motor 4062, gu fixed ring 4061 is connected with the lower pot head that miropowder collected storehouse 401, vibrating motor 4062 and solid fixed ring 4061 fixed connection, with make miropowder collection storehouse 401 vibration through vibrating motor 4062, thereby shake the carborundum of adhesion on miropowder collection storehouse 401 and fall.
Further, the upper end of the support framework 403 is provided with a flanging 4031, and the support framework 403 is lapped with the isolation cover plate 402 by using the flanging 4031.
So, be convenient for change supporting framework 403, bring the facility for the maintenance of miropowder collection device 40.
Furthermore, a plurality of threaded holes are formed in the outer flange 4031 and the support framework 403, and external screws penetrate through the threaded holes to fixedly connect the outer flange 4031 and the support framework 403.
Further, the micro powder recycling device 80 comprises a shunt pipe 801 and a filtering cloth bag 802, one side of the shunt pipe 801 is communicated with the second end of the third drainage pipe 70, an air outlet is formed in the lower end of the shunt pipe 801, the upper end of the filtering cloth bag 802 is communicated with the air outlet of the shunt pipe 801, and the lower end of the filtering cloth bag 802 is sealed.
After the mixed gas mixed with a small amount of silicon carbide micro powder enters the filter cloth bag 802, the silicon carbide micro powder is blocked by the filter cloth bag 802, and the gas is discharged from the pores of the filter cloth bag 802. In a preferred embodiment, the bottom of the filter cloth bag 802 is open and the bottom of the filter cloth bag 802 is sealed by knotting or tying. When the silicon carbide micro powder is accumulated more, the knot is opened, and the silicon carbide micro powder flows out of the cloth bag.
In a preferred embodiment, the inner walls of the micro powder collecting bin 401, the first draft tube 30, the second draft tube 50 and the third draft tube 70 are all provided with a silicon carbide ceramic layer to prevent the silicon carbide from secondary pollution.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a carborundum drier miropowder processingequipment which characterized in that: including rubbing crusher, first drainage tube, miropowder collection device, second drainage tube, negative-pressure air fan, third drainage tube, miropowder recovery unit, rubbing crusher's export and the first end intercommunication of first drainage tube, the second end of first drainage tube and miropowder collection device's upper end intercommunication, miropowder collection device's top and the first end intercommunication of second drainage tube, the second end of second drainage tube and negative-pressure air fan's air intake intercommunication, negative-pressure air fan's air outlet and the first end intercommunication of third drainage tube, the second end of third drainage tube and miropowder recovery unit's upper end intercommunication, miropowder collection device includes miropowder collection storehouse, isolation apron, supporting framework, isolation net, the top in miropowder collection storehouse and the first end intercommunication of second drainage tube, the upper end in miropowder collection storehouse is cylindric, and the lower extreme in miropowder collection storehouse is the taper, keep apart the apron and be located the upper end that the storehouse was collected to the miropowder, keep apart the lateral wall fixed connection that the storehouse was collected to apron and miropowder to collect the storehouse with the miropowder and fall into two independent cavities, keep apart a plurality of water conservancy diversion holes that distribute on the apron, so that gas passes through, the upper end of braced frame and the border fixed connection in water conservancy diversion hole, separation net cover on braced frame, the export of the second end of first drainage tube is located the lower extreme of keeping apart the apron, with carborundum powder and the gas separation that will get into the miropowder and collect the.
2. The apparatus for processing the silicon carbide dry material micropowder according to claim 1, characterized in that: the outlet direction of the first drainage tube is in the tangential direction of the micro powder collecting bin so as to carry out cyclone separation on the silicon carbide micro powder.
3. The apparatus for processing the silicon carbide dry material micropowder according to claim 1, characterized in that: the miropowder collection device still includes large granule separator to with the large granule separation in the carborundum miropowder, large granule separator includes screw conveyer, vibration separation sieve, screw conveyer's feed inlet and miropowder collection storehouse discharge gate intercommunication, screw conveyer's discharge gate and the top intercommunication that vibration separation shone are in order to separate the large granule in the carborundum miropowder through the vibration separation sieve.
4. The apparatus for processing the silicon carbide dry material micropowder according to claim 1, characterized in that: the miropowder collection device still includes the supplementary unloader of miropowder to with the adhesion under the carborundum landing of miropowder collection storehouse lateral wall, supplementary unloader is including solid fixed ring, vibrating motor, gu fixed ring establishes with the lower pot head in miropowder collection storehouse and be connected, vibrating motor and solid fixed ring fixed connection to make the miropowder collection storehouse vibration through vibrating motor, thereby shake the carborundum of adhesion on the miropowder collection storehouse and fall.
5. The apparatus for processing the silicon carbide dry material micropowder according to claim 1, characterized in that: the upper end of the supporting framework is provided with an outward flange, and the supporting framework is in lap joint with the isolation cover plate through the outward flange.
6. The apparatus for processing the silicon carbide dry material micropowder according to claim 5, characterized in that: the flanging and the supporting framework are provided with a plurality of threaded holes, and external screws penetrate through the threaded holes to fixedly connect the flanging and the supporting framework.
7. The apparatus for processing the silicon carbide dry material micropowder according to claim 1, characterized in that: the micro powder recovery device comprises a flow dividing pipe and a filtering cloth bag, one side of the flow dividing pipe is communicated with the second end of the third drainage pipe, an air outlet is formed in the lower end of the flow dividing pipe, the upper end of the filtering cloth bag is communicated with the air outlet of the flow dividing pipe, and the lower end of the filtering cloth bag is sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011036039.0A CN112474009A (en) | 2020-09-27 | 2020-09-27 | Silicon carbide dry material micro powder processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011036039.0A CN112474009A (en) | 2020-09-27 | 2020-09-27 | Silicon carbide dry material micro powder processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112474009A true CN112474009A (en) | 2021-03-12 |
Family
ID=74920024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011036039.0A Pending CN112474009A (en) | 2020-09-27 | 2020-09-27 | Silicon carbide dry material micro powder processing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112474009A (en) |
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| CN204583426U (en) * | 2015-02-27 | 2015-08-26 | 上海科利瑞克机器有限公司 | Silicon carbide micro-powder grinding hierarchy system |
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| CN207546784U (en) * | 2017-10-31 | 2018-06-29 | 临安派祺空气净化科技有限公司 | A kind of cyclone separator of high-effective dust-removing |
| WO2018222047A1 (en) * | 2017-06-02 | 2018-12-06 | Standard Bio As | Cyclone processor |
| CN208212729U (en) * | 2018-04-09 | 2018-12-11 | 福建省芝星炭业股份有限公司 | A kind of novel tail gas fine powder sedimentation processing device |
| CN110530142A (en) * | 2019-09-10 | 2019-12-03 | 连云港市沃鑫高新材料有限公司 | The drying system of carborundum powder |
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2020
- 2020-09-27 CN CN202011036039.0A patent/CN112474009A/en active Pending
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| CN204583426U (en) * | 2015-02-27 | 2015-08-26 | 上海科利瑞克机器有限公司 | Silicon carbide micro-powder grinding hierarchy system |
| CN206152940U (en) * | 2016-10-19 | 2017-05-10 | 三峡大学 | Vegetable fibre smashes, powder grading plant |
| WO2018222047A1 (en) * | 2017-06-02 | 2018-12-06 | Standard Bio As | Cyclone processor |
| CN207546784U (en) * | 2017-10-31 | 2018-06-29 | 临安派祺空气净化科技有限公司 | A kind of cyclone separator of high-effective dust-removing |
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