CN107377153A - High temperature circulation nitrogen protects crushing and classification production line - Google Patents
High temperature circulation nitrogen protects crushing and classification production line Download PDFInfo
- Publication number
- CN107377153A CN107377153A CN201710797040.7A CN201710797040A CN107377153A CN 107377153 A CN107377153 A CN 107377153A CN 201710797040 A CN201710797040 A CN 201710797040A CN 107377153 A CN107377153 A CN 107377153A
- Authority
- CN
- China
- Prior art keywords
- crushing
- high temperature
- nitrogen
- production line
- outlet
- 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
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 37
- 239000002245 particle Substances 0.000 claims abstract description 28
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000004806 packaging method and process Methods 0.000 claims abstract description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 17
- 229910052744 lithium Inorganic materials 0.000 claims description 17
- 238000001035 drying Methods 0.000 claims description 7
- 239000007773 negative electrode material Substances 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims description 3
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 3
- 239000000571 coke Substances 0.000 claims description 3
- 239000007772 electrode material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 3
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 239000006185 dispersion Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 239000010419 fine particle Substances 0.000 abstract description 3
- -1 oxide etc. Substances 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000010405 anode material Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
- 229910052493 LiFePO4 Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- MZZUATUOLXMCEY-UHFFFAOYSA-N cobalt manganese Chemical compound [Mn].[Co] MZZUATUOLXMCEY-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002153 silicon-carbon composite material Substances 0.000 description 1
- 230000009885 systemic effect Effects 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
- B02C19/00—Other disintegrating devices or methods
- B02C19/06—Jet mills
-
- 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
- B02C23/34—Passing gas through crushing or disintegrating zone gas being recirculated to crushing or disintegrating zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/14—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
Abstract
The invention provides high temperature circulation nitrogen to protect crushing and classification production line, and it make it that the Granularity Distribution that obtains is narrow after crushing, and product particle surface is smooth; shape is regular, and activity is big, good dispersion; polluted without metal, oxide etc., product purity is high, meets the needs of lithium ion battery material.It includes the feed bin for loading particle to be comminuted, the outlet of the feed bin connects the disintegrating area of the fluidized bed air flow crusher, the disintegrating area of the fluidized bed air flow crusher is connected to graded region, the corase particles for being unsatisfactory for Particle size requirements return disintegrating area is continued to crush by graded region, meet that the fine particle of Particle size requirements enters the entrance of deduster with air-flow, the material outlet connection finished product packaging facilities of the deduster, the non-material outlet in top of the deduster is connected to the entrance of first filter, the outlet of the first filter is connected to drier entrance, the outlet of the drier is connected to the air entry of the compressor.
Description
Technical field
The present invention relates to the technical field of crushing material production, specially high temperature circulation nitrogen protection crushing and classification production
Line.
Background technology
There is lithium ion battery high power capacity rechargeable battery, bigger than energy, have extended cycle life, and have a safety feature, and be mesh
It is preceding most to have development potentiality battery.Anode material of lithium battery includes LiFePO4, Manganese acid lithium, lithium carbonate, Cobalt acid lithium, Nie Cobalt Manganese acid lithiums
Ternary material etc., lithium cell cathode material include lithium titanate, graphite, Si-C composite material etc., and the common feature of these materials is
Particle diameter is small, narrow particle size distribution, particle surface shape is regular, water content is low, product purity is high, but existing crushing and classification produces
The raw material that line produces acquisition can not efficiently obtain above-mentioned material.
The content of the invention
In view of the above-mentioned problems, the invention provides high temperature circulation nitrogen to protect crushing and classification production line, after it causes crushing
The Granularity Distribution of acquisition is narrow, and product particle surface is smooth, and shape is regular, and activity is big, good dispersion, no metal, oxide
It is high Deng pollution, product purity, meet the needs of lithium ion battery material.
High temperature circulation nitrogen protects crushing and classification production line, it is characterised in that：It includes the feed bin for loading particle to be comminuted,
The outlet of the feed bin connects the disintegrating area of the fluidized bed air flow crusher, and the disintegrating area of the fluidized bed air flow crusher connects
Graded region is connected to, the corase particles for being unsatisfactory for Particle size requirements return disintegrating area is continued to crush by graded region, meets the thin of Particle size requirements
Particle enters the entrance of deduster with air-flow, and the material outlet of the deduster connects finished product packaging facilities, the deduster
The non-material outlet in top is connected to the entrance of first filter, and the outlet of the first filter is connected to drier entrance, institute
The outlet for stating drier is connected to the air entry of the compressor, on the connecting line between the drier and the compressor
It is provided with and adds nitrogen inlet, the gas outlet of the compressor is connected to the entrance of the second filter, second filter
The entrance of outlet connection heater, the outlet of the heater access the nozzle entrance of the fluidized bed air flow crusher, material
Accelerate in the supersonic jet that nozzle is ejected, and reach crushing in the repeated stock of injection stream intersection, collision, friction
Effect, crushing while material are by high temperature drying nitrogen wink-dry.
It is further characterized by：
The production line is applied to crush lithium battery material；
The recovery low-pressure nitrogen of the non-material outlet separation in top of the deduster, compressor is returned after filtered, dry
Air entry, and be mixed into compressor with adding nitrogen, high pressure nitrogen filters, heats laggard fluidized bed gas again after compression
Stream, which crushes machine nozzle, to be continued to crush, and the low-pressure nitrogen of system recycles；
The pressure for entering the high temperature drying nitrogen that disintegrating area carries out comminution process is 0.3MPa-0.9MPa, temperature 120
℃-200℃；
The product fineness d after the lithium battery positive and negative pole material crushing and classification that the production line is obtained50=0.3~10 μ
m；
Preferably, the smashing fineness d of the crushing LiFePO 4 obtained by the production line97For 5.0 μm, as new
Type lithium ion battery electrode material, battery security is improved, promote lithium ion battery maximization, the application of high power；
Preferably, the smashing fineness d of the crushing neodymium iron boron obtained by the production line97For 5.1 μm, it has high
Magnetic energy product and high-energy-density, be applied widely in instrument and meter and electronic technology；
Preferably, the smashing fineness d for crushing lithium titanate, graphite obtained by the production line97For 5.5 μm, can use
Make new type lithium ion battery negative electrode material；
Preferably, the smashing fineness d of the comminuting coke obtained by the production line505.0 μm of ＜, it is lithium ion battery
Negative electrode material product opens a brand-new material.
After technology using the present invention, material dosing adds the disintegrating area of fluidized bed air flow crusher in feed bin, and material exists
Accelerate in supersonic jet, and reach crushing effect in the repeated stock of injection stream intersection, collision, friction, crush lithium simultaneously
Battery material is entered graded region with ascending air by the material for crushing dry, is classified by high temperature drying nitrogen wink-dry
The corase particles return disintegrating area for being unsatisfactory for Particle size requirements afterwards continues to crush, and meets that the fine particle of Particle size requirements enters dedusting with air-flow
Device is collected, and the recovery low-pressure nitrogen of deduster top separation, compressor air suction mouth is returned to after filtered, dry, and with adding nitrogen
Gas is mixed into compressor, and high pressure nitrogen filters, heats laggard fluidized bed air-flow crushing machine nozzle continuation powder again after compression
Broken, system low-voltage nitrogen circulation uses, and deduster lower product is collected into finished product packing machine, the system can meet it is safe and environment-friendly,
Energy-conservation, clean manufacturing requirement；The water content 1000-8000ppm before anode material of lithium battery crushing, anode material of lithium battery crush
Water content is that 500-1200ppm, its moisture content are low afterwards；It make it that the Granularity Distribution that obtains is narrow after crushing, product particle table
Face is smooth, and shape is regular, and activity is big, good dispersion, and the pollution such as no metal, oxide, product purity is high, meets lithium ion battery
The demand of material.
Brief description of the drawings
Fig. 1 is the front view structure schematic diagram of the present invention；
Title in figure corresponding to sequence number is as follows：
Feed bin 1, fluidized bed air flow crusher 2, deduster 3, finished product packing equipment 4, first filter 5, drier 6, pressure
Contracting machine 7, add nitrogen inlet 8, the second filter 9, heater 10.
Embodiment
High temperature circulation nitrogen protects crushing and classification production line, sees Fig. 1：It includes the feed bin 1 for loading particle to be comminuted, feed bin
The disintegrating area of 1 outlet connection fluidized bed air flow crusher 2, the disintegrating area of fluidized bed air flow crusher 2 are connected to graded region, point
The corase particles for being unsatisfactory for Particle size requirements return disintegrating area is continued to crush by level area, meets that the fine particle of Particle size requirements enters with air-flow
The entrance of deduster 3, the material outlet connection finished product packaging facilities 4 of deduster 3, the non-material outlet connection in top of deduster 3
To the entrance of first filter 5, the outlet of first filter 5 is connected to the entrance of drier 6, and the outlet of drier 6 is connected to pressure
The air entry of contracting machine 7, it is provided with the connecting line between drier 6 and compressor 7 and adds nitrogen inlet 8, compressor 7 goes out
Gas port is connected to the entrance of the second filter 9, the entrance of the outlet connection heater 10 of the second filter 9, and heater 10 goes out
The nozzle entrance of mouth access fluidized bed air flow crusher 2, material accelerate in the supersonic jet that nozzle is ejected, and
The repeated stock of injection stream intersection, collision, friction reaches crushing effect, crushed while material is done by high temperature drying nitrogen moment
It is dry.
The production line is applied to crush lithium battery material；
The recovery low-pressure nitrogen of the non-material outlet separation in top of deduster 3, compressor 7 is returned after filtered, dry
Air entry, and compressor 7 is mixed into adding nitrogen, high pressure nitrogen filters, heats laggard fluidized bed gas again after compression
The nozzle of stream pulverizer 2 continues to crush, and the low-pressure nitrogen of system recycles；
The pressure for entering the high temperature drying nitrogen that disintegrating area carries out comminution process is 0.3MPa-0.9MPa, temperature 120
℃-200℃；
The product fineness d after the lithium battery positive and negative pole material crushing and classification that production line is obtained50=0.3~10 μm.
It is caused to have the beneficial effect that after production line using the present invention：
1 Granularity Distribution is narrow, and particle diameter can be in d50=0.3~10 μ ms are arbitrarily selected；
2 product particle surfaces are smooth, and shape is regular, and activity is big, good dispersion, the pollution such as no metal, oxide, and product is pure
Degree is high；
3 crushing and classifications are being carried out in closed system, no dust effusion；Charging system is totally-enclosed uniform feeding device,
Charging rate automatically adjusts with systemic concentration change；
4 use advanced Automated condtrol, running status real-time display, realize full-automatic control.
Specific embodiment one：The smashing fineness d of the crushing LiFePO 4 obtained by production line97For 5.0 μm, it is used as
New type lithium ion battery electrode material, battery security is improved, promote lithium ion battery maximization, the application of high power.
Specific embodiment two：The smashing fineness d of the crushing neodymium iron boron obtained by production line97For 5.1 μm, it has pole
High magnetic energy product and high-energy-density, is applied widely in instrument and meter and electronic technology；
Specific embodiment three：The smashing fineness d for crushing lithium titanate, graphite obtained by production line97, can for 5.5 μm
As new type lithium ion battery negative electrode material；
Specific embodiment four：The smashing fineness d of the comminuting coke obtained by production line505.0 μm of ＜, it is lithium-ion electric
Pond negative electrode material product opens a brand-new material.
The specific embodiment of the present invention is described in detail above, but content is only the preferable implementation of the invention
Example, it is impossible to be considered as the practical range for limiting the invention.All impartial changes made according to the invention application range
Change and improvement etc., all should still be belonged within this patent covering scope.
Claims (9)
1. high temperature circulation nitrogen protects crushing and classification production line, it is characterised in that：It includes the feed bin for loading particle to be comminuted, institute
The outlet for stating feed bin connects the disintegrating area of the fluidized bed air flow crusher, the disintegrating area connection of the fluidized bed air flow crusher
To graded region, the corase particles for being unsatisfactory for Particle size requirements return disintegrating area is continued to crush by graded region, meets the particulate of Particle size requirements
Son with air-flow enter deduster entrance, the deduster material outlet connection finished product packaging facilities, the deduster it is upper
The non-material outlet in portion is connected to the entrance of first filter, and the outlet of the first filter is connected to drier entrance, described
The outlet of drier is connected to the air entry of the compressor, is set on the connecting line between the drier and the compressor
It is equipped with and adds nitrogen inlet, the gas outlet of the compressor is connected to the entrance of the second filter, and second filter goes out
The entrance of mouth connection heater, the outlet of the heater access the nozzle entrance of the fluidized bed air flow crusher, and material exists
Accelerate in the supersonic jet that nozzle is ejected, and reach crushing effect in the repeated stock of injection stream intersection, collision, friction
Fruit, crushing while material are by high temperature drying nitrogen wink-dry.
2. high temperature circulation nitrogen as claimed in claim 1 protects crushing and classification production line, it is characterised in that：The production line is fitted
For crushing lithium battery material.
3. high temperature circulation nitrogen as claimed in claim 1 protects crushing and classification production line, it is characterised in that：The deduster
The recovery low-pressure nitrogen of the non-material outlet separation in top, the air entry of compressor is returned to after filtered, dry, and with adding nitrogen
Compressor is mixed into, high pressure nitrogen filters, heats laggard fluidized bed air-flow crushing machine nozzle and continue to crush again after compression,
The low-pressure nitrogen of system recycles.
4. high temperature circulation nitrogen as claimed in claim 1 protects crushing and classification production line, it is characterised in that：Enter disintegrating area
The pressure for carrying out the high temperature drying nitrogen of comminution process is 0.3 MPa-0.9 MPa, temperature is 120 DEG C -200 DEG C.
5. high temperature circulation nitrogen as claimed in claim 1 protects crushing and classification production line, it is characterised in that：By the production
Product fineness d after the lithium battery positive and negative pole material crushing and classification that line is obtained50=0.3~10 μm.
6. high temperature circulation nitrogen as claimed in claim 1 protects crushing and classification production line, it is characterised in that：By the production
The smashing fineness d for the crushing LiFePO 4 that line is obtained97For 5.0 μm, as new type lithium ion battery electrode material, electricity is improved
Pond security, promote lithium ion battery maximization, the application of high power.
7. high temperature circulation nitrogen as claimed in claim 1 protects crushing and classification production line, it is characterised in that：By the production
The smashing fineness d for the crushing neodymium iron boron that line is obtained97For 5.1 μm, it has high magnetic energy product and high-energy-density, in instrument
It is applied widely in instrument and electronic technology.
8. high temperature circulation nitrogen as claimed in claim 1 protects crushing and classification production line, it is characterised in that：By the production
What line was obtained crushes lithium titanate, the smashing fineness d of graphite97For 5.5 μm, it can be used as new type lithium ion battery negative electrode material.
9. high temperature circulation nitrogen as claimed in claim 1 protects crushing and classification production line, it is characterised in that：By the production
The smashing fineness d for the comminuting coke that line is obtained505.0 μm of ＜, one is opened entirely for lithium ion battery negative electrode material product
New material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710797040.7A CN107377153A (en) | 2017-09-06 | 2017-09-06 | High temperature circulation nitrogen protects crushing and classification production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710797040.7A CN107377153A (en) | 2017-09-06 | 2017-09-06 | High temperature circulation nitrogen protects crushing and classification production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107377153A true CN107377153A (en) | 2017-11-24 |
Family
ID=60349349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710797040.7A Pending CN107377153A (en) | 2017-09-06 | 2017-09-06 | High temperature circulation nitrogen protects crushing and classification production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107377153A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109092514A (en) * | 2018-07-25 | 2018-12-28 | 信阳核工业新材料有限公司 | A kind of preparation method of high fluidity silica flour |
| CN109956496A (en) * | 2019-04-03 | 2019-07-02 | 西南科技大学 | A kind of method and device thereof of supersonic airstream dissociation and traces of moisture control |
| CN111229419A (en) * | 2020-01-19 | 2020-06-05 | 河北工业职业技术学院 | Fluidizing device for shaping metal particles and using method thereof |
| CN112295717A (en) * | 2020-10-14 | 2021-02-02 | 宁波江丰电子材料股份有限公司 | Device and method for preparing high-purity low-oxygen silicon powder through crushing |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08504739A (en) * | 1992-02-26 | 1996-05-21 | ニロ・ホールディング・アー／エス | Process and equipment for drying and calcining sodium hydrogen carbonate |
| CN2370957Y (en) * | 1999-04-23 | 2000-03-29 | 中国科学院低温技术实验中心 | Low-temp. air flow crusher |
| CN1569621A (en) * | 2004-05-10 | 2005-01-26 | 包头市晶元石墨有限责任公司 | Processing technology and system for high-purity fine crystalline graphite powder |
| CN102533345A (en) * | 2011-12-14 | 2012-07-04 | 中国科学院山西煤炭化学研究所 | Method and device for coal gasification in combined type fluidized bed |
| CN102698848A (en) * | 2012-05-16 | 2012-10-03 | 李莉 | Fluidized bed airflow grinding system |
| CN102698847A (en) * | 2012-05-16 | 2012-10-03 | 李莉 | Cryogenic-airflow grinding system |
| US20120285194A1 (en) * | 2010-02-04 | 2012-11-15 | Nanjing Jiusi High-Tech Co., Ltd. | Dry dust removal method in organic chlorosilane production |
| CN203578772U (en) * | 2013-12-04 | 2014-05-07 | 江西悦安超细金属有限公司 | Fluidized bed type crushing grading device |
| CN105742577A (en) * | 2016-04-20 | 2016-07-06 | 绵阳流能粉体设备有限公司 | Method and device for superfine grinding and drying of lithium iron phosphate in closed circulation of high-temperature drying gas |
-
2017
- 2017-09-06 CN CN201710797040.7A patent/CN107377153A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08504739A (en) * | 1992-02-26 | 1996-05-21 | ニロ・ホールディング・アー／エス | Process and equipment for drying and calcining sodium hydrogen carbonate |
| CN2370957Y (en) * | 1999-04-23 | 2000-03-29 | 中国科学院低温技术实验中心 | Low-temp. air flow crusher |
| CN1569621A (en) * | 2004-05-10 | 2005-01-26 | 包头市晶元石墨有限责任公司 | Processing technology and system for high-purity fine crystalline graphite powder |
| US20120285194A1 (en) * | 2010-02-04 | 2012-11-15 | Nanjing Jiusi High-Tech Co., Ltd. | Dry dust removal method in organic chlorosilane production |
| CN102533345A (en) * | 2011-12-14 | 2012-07-04 | 中国科学院山西煤炭化学研究所 | Method and device for coal gasification in combined type fluidized bed |
| CN102698848A (en) * | 2012-05-16 | 2012-10-03 | 李莉 | Fluidized bed airflow grinding system |
| CN102698847A (en) * | 2012-05-16 | 2012-10-03 | 李莉 | Cryogenic-airflow grinding system |
| CN203578772U (en) * | 2013-12-04 | 2014-05-07 | 江西悦安超细金属有限公司 | Fluidized bed type crushing grading device |
| CN105742577A (en) * | 2016-04-20 | 2016-07-06 | 绵阳流能粉体设备有限公司 | Method and device for superfine grinding and drying of lithium iron phosphate in closed circulation of high-temperature drying gas |
Non-Patent Citations (1)
| Title |
|---|
| 吴建明: "惰性气体保护气流粉碎技术在农药加工中的应用", 《世界农药》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109092514A (en) * | 2018-07-25 | 2018-12-28 | 信阳核工业新材料有限公司 | A kind of preparation method of high fluidity silica flour |
| CN109956496A (en) * | 2019-04-03 | 2019-07-02 | 西南科技大学 | A kind of method and device thereof of supersonic airstream dissociation and traces of moisture control |
| CN109956496B (en) * | 2019-04-03 | 2021-07-16 | 西南科技大学 | Supersonic airflow dissociation and trace water content control method and device |
| CN111229419A (en) * | 2020-01-19 | 2020-06-05 | 河北工业职业技术学院 | Fluidizing device for shaping metal particles and using method thereof |
| CN112295717A (en) * | 2020-10-14 | 2021-02-02 | 宁波江丰电子材料股份有限公司 | Device and method for preparing high-purity low-oxygen silicon powder through crushing |
| CN112295717B (en) * | 2020-10-14 | 2022-05-03 | 宁波江丰电子材料股份有限公司 | Device and method for preparing high-purity low-oxygen silicon powder through crushing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107377153A (en) | High temperature circulation nitrogen protects crushing and classification production line | |
| CN203316215U (en) | Ultrafine grinder | |
| CN108941161A (en) | A kind of physical recovering method technique of lithium battery | |
| CN105826629A (en) | All-component material separation and collection device and method for waste lithium batteries | |
| CN201120305Y (en) | Full-automatic product line for producing spherical plumbago ultramicro powder body | |
| CN101337198B (en) | Black carbon crushing machine | |
| CN204841880U (en) | Special rubbing crusher of lithium cell cathode material and closed circulation smashes system thereof | |
| CN105618235B (en) | Carbon graphite continuous production prepares device | |
| CN102380449B (en) | Natural color sand production line | |
| CN210252550U (en) | Fine particle pulverizer | |
| CN205361493U (en) | Powder coating collecting device | |
| CN204841874U (en) | Energy -efficient fluid energy mill | |
| CN101850965A (en) | Spherical graphite with median diameter of 11 to 16 mu m and preparation method thereof | |
| CN109985712A (en) | It is a kind of for screening the device and its technique of copper aluminium material material in old and useless battery | |
| CN211629249U (en) | Broken production line of retrieving of lithium cell positive plate | |
| CN210753100U (en) | Lithium ion battery anode material firing product pulverizer | |
| CN207563039U (en) | High temperature circulation nitrogen protects crushing and classification production line | |
| CN102836766A (en) | Circulating type jet mill and milling system thereof | |
| CN202983814U (en) | Multiple circulating air flow crusher | |
| CN105742577A (en) | Method and device for superfine grinding and drying of lithium iron phosphate in closed circulation of high-temperature drying gas | |
| CN102347479A (en) | Method and device for processing electrolytic manganese dioxide for lithium ion batteries | |
| CN214439725U (en) | A fluid energy mill for lithium iron phosphate production | |
| CN205253293U (en) | Super powder production system | |
| CN202823560U (en) | Complete production line for crushing nano-calcium | |
| CN203678465U (en) | Lime grinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171124 |