CN109201299A - A kind of preparation facilities of special type superfine powder - Google Patents
A kind of preparation facilities of special type superfine powder Download PDFInfo
- Publication number
- CN109201299A CN109201299A CN201810977035.9A CN201810977035A CN109201299A CN 109201299 A CN109201299 A CN 109201299A CN 201810977035 A CN201810977035 A CN 201810977035A CN 109201299 A CN109201299 A CN 109201299A
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- China
- Prior art keywords
- pulverizing chamber
- storehouse
- superfine powder
- preparation facilities
- special type
- Prior art date
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- 239000000843 powder Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 72
- 238000010298 pulverizing process Methods 0.000 claims abstract description 38
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims description 9
- 239000011261 inert gas Substances 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 238000002844 melting Methods 0.000 abstract description 6
- 230000008018 melting Effects 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 6
- 230000009477 glass transition Effects 0.000 abstract description 4
- 238000007654 immersion Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 4
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 230000003064 anti-oxidating effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 241000411851 herbal medicine Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- XWUCFAJNVTZRLE-UHFFFAOYSA-N 7-thiabicyclo[2.2.1]hepta-1,3,5-triene Chemical compound C1=C(S2)C=CC2=C1 XWUCFAJNVTZRLE-UHFFFAOYSA-N 0.000 description 1
- -1 Ether ketone Chemical class 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 244000000231 Sesamum indicum Species 0.000 description 1
- 235000003434 Sesamum indicum Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000975 bioactive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000020238 sunflower seed Nutrition 0.000 description 1
- 230000007704 transition 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
- 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
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- 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
- 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
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The present invention provides a kind of preparation facilities of extraordinary superfine powder, which is delivered to material to be comminuted automatically in pre-cooling storehouse, through liquid nitrogen frozen embrittlement；Then brittle material is automatically entered in pulverizing chamber, applies Strong shear to it and crush the field of force, makes it rapidly by fine；In pulverizing chamber " immersion " cold wind provided by supply air system, the heat of generation is quickly taken away, it is ensured that crushing process carries out at a lower temperature；Material leaves pulverizing chamber after the classification of rough classification impeller after pulverized, then is classified by smart classifying turbine, and the material for not up to crushing requirement reenters in pre-cooling storehouse through pipeline, enters pulverizing chamber after being frozen embrittlement again.Reach the material for crushing and requiring and enter subsequent separation system and collection system, realize gas solid separation and is collected.The present invention can be realized the preparation of the fines such as the high molecular material, oily material, sugar material of low melting point or lower glass transition temperatures.The present invention is lower in crushing process temperature, and the fine suitable for temperature-sensitive material crushes.
Description
Technical field
The present invention relates to micro-nano powder technology and civil-military inosculation technical field, and in particular to a kind of special type superfine powder
Preparation facilities.
Background technique
Superfine powder, such as Military and civil fields speciality polymer superfine powder, bioactive materials and health care product superfine powder,
Strengthen the army consolidate national defense, promote high-end new material development, improve the people in terms of play it is increasingly heavier
The effect wanted, also to the quality of superfine powder, more stringent requirements are proposed for this.Fine crushing is carried out to these materials, needs to apply
Very strong Strong shear crushes the field of force.However, the equipment that Strong shear crushes the field of force can be currently generated, a kind of such as high molecular material powder
Preparation facilities (number of patent application: 201810881474.X) or mill pulverizer, although can poly-p-phenylene sulfide ether (PPS), polyethers
Ether ketone (PEEK) etc. is heat-resisting to carry out fine crushing with the high molecular material to enbrittle, but is not able to satisfy low melting point or low glass
Changing transition temperature (such as nylon), high resiliency or the crushing of high intensity (such as ultra-high molecular weight polyethylene) high molecular material fine
It is required that wanting for the material finingizations such as oily material (sesame, sunflower seeds etc.), sugar material (fructus lycii etc.) crushing can not be met
It asks.This is because these disintegrating apparatus also produce a large amount of heat, make to crush while providing the Strong shear crushing field of force
Process temperature steeply rises to 80 DEG C even 100 DEG C or more, leads to the consequences such as tacky material, agglomeration, active constituent forfeiture, in turn
It can not carry out effective ultra fine；Or material inherently has viscosity, just can be carried out fine crushing after needing pre-freeze to handle.
Cryogenic freezing disintegrating apparatus can high molecular material to low melting point or lower glass transition temperatures, oily material,
Sugar material etc. is crushed, but there are product particle sizes to be unevenly distributed, higher cost, product is easy to moisture absorption after crushing, post-processing
The problems such as complicated, can not meet the requirement of these material high-quality finishing.Therefore, a kind of extraordinary super there is an urgent need to develop
The preparation facilities of fine powder can not only carry out pre-cooling embrittlement, moreover it is possible to ensure that crushing process temperature is consistently less than 50 DEG C to material
(or 30 DEG C), and then the spies such as high molecular material, oily material, sugar material for realizing low melting point or lower glass transition temperatures
The high-quality ultrafine finishing processing of different material, moreover it is possible to take into account common high molecular materials, the less food of oil-containing, sugar amount and in
The fine of the materials such as herbal medicine crushes.
Summary of the invention
The purpose of the present invention is high molecular material, oily material, the sugar for low melting point or lower glass transition temperatures
The fines such as material prepare problem, provide a kind of preparation facilities of extraordinary superfine powder.
A kind of preparation facilities of extraordinary superfine powder provided by the invention, comprising:
One feeding warehouse, being connected with feeding warehouse is auger conveyor；
Comminuting matter is transported to the pre-cooling storehouse being connected with auger conveyor by the feeding warehouse by auger conveyor；
The pre-cooling storehouse is used to pass through Liquid nitrogen precooler embrittlement material；
Pre-cooled brittle material is inputted pulverizing chamber by the screw-feeder for being additionally provided with connection pre-cooling storehouse；The side wall in storehouse is pre-chilled
It is connected with liquid nitrogen storage tank；
Fixed gear plate and movable fluted disc are equipped with inside the pulverizing chamber；Rough classification impeller is additionally provided in pulverizing chamber；
The side of the pulverizing chamber is connect by pipeline with supply air system；
The upper end of the pulverizing chamber is connect by pipeline with classification storehouse；
The classification storehouse lower end is connect by pipeline with the top that storehouse is pre-chilled, and is classified storehouse upper end by pipeline and is connected cyclonic separation
The air flow inlet of device；Smart classifying turbine is set in the classification storehouse；
The material outlet of cyclone separator is connected with collecting bin, and the air stream outlet of cyclone separator and the gas of deduster flow into
Mouth passes through pipeline and connects；The air stream outlet of deduster is connect by pipeline with air-introduced machine；
Pulverizing chamber is always in cold wind provided by supply air system, it is ensured that pulverizing chamber works at low temperature.
Further, the material of fixed gear plate is stainless steel or wear-resisting alloy steel in pulverizing chamber 3, and the material of movable fluted disc can
Rigid for high-strength alloy, movable fluted disc high speed rotation linear velocity is in 30~180m/s；Temperature sensing is also provided in pulverizing chamber 3
Device, real-time monitoring crushing process temperature.
Further, the impeller clearance of rough classification impeller 2 is 10~30mm.
Further, gas provided by supply air system 1 can be air, or nitrogen or other inert gases,
Realize explosion-proof, the anti-oxidation crushing of material；The air intake of supply air system 1 can also be connect with the outlet air end of air-introduced machine 13, be realized lazy
Property gas recycles.
Further, the also settable gas stream of air intake (front end) of the outlet air end (rear end), air-introduced machine 13 of supply air system 1
Meter, real-time monitoring crushing process gas flow.
Further, it is classified 9 outer wall of storehouse and is provided with pneumatic hammer, hammer periodically can be carried out to classification storehouse 9 and moved, prevent material from gluing wall.
Further, the impeller clearance of smart classifying turbine 10 is 1~15mm.
Further, it is provided with temperature sensor in pre-cooling storehouse 5, real-time monitoring can be carried out to temperature of charge；It is also provided with
Visual windows facilitate observation material situation.
Further, cyclone separator 11 can be 1 grade, 2 grades or plural serial stage mode, install in 11 outer wall of cyclone separator
Pneumatic hammer periodically carries out hammer to cyclone separator 11 and moves, prevents material from gluing wall.
Further, deduster 13 can be bag filter or water dust scrubber, and can be 1 grade, 2 grades or multistage
Series model, it is internal to be provided with gas back-blowing apparatus or Liquid backwash device, prevent feed blocking micropore and convenient for cleaning.
Compared with prior art, the present invention its remarkable advantage is: 1, the present invention can be realized low melting point or reduced TG turns
The preparation of the fines such as high molecular material, oily material, the sugar material of temperature.2, pulverizing chamber of the invention is always in cold wind
It is carried out in " immersion ", crushing process temperature is lower, can be realized the holding of material activity, and be suitable for the ultra-fine of temperature-sensitive material
Change and crushes.3, the device of the invention is provided with thick, smart two-stage classifying turbine, material can either be avoided excessively to crush, energy saving,
Reduce crush temperature, and can precisely control product granularity, promote the quality of product.4, the device of the invention is applied widely,
It can be used for the crushing material of the industries such as Chinese herbal medicine, food, chemical industry, pharmacy, production process serialization, automation carry out, and device is easy
In amplification, industrialized production and application easy to spread can be realized.
Detailed description of the invention
Fig. 1 is grinding device structural schematic diagram of the present invention.
The SEM figure that Fig. 2 is UPE after embodiment crushes.
In figure: 1, supply air system；2, rough classification impeller；3, pulverizing chamber；4, screw-feeder；5, storehouse is pre-chilled；6, liquid nitrogen stores up
Tank；7, auger conveyor；8, feeding warehouse；9, it is classified storehouse；10, smart classifying turbine；11, cyclone separator；12, collecting bin；13, it removes
Dirt device；14, air-introduced machine.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing
As shown in Figure 1, present embodiment uses following technical scheme: including pulverizing chamber 3, be provided in pulverizing chamber 3
Fixed gear plate and movable fluted disc, the gap between fixed gear plate and movable fluted disc is 0.5~15mm, the diameter of movable fluted disc exists
200~2000mm；Rough classification impeller 2 is additionally provided in pulverizing chamber 3, the revolving speed of rough classification impeller 2 is 2000~4000rpm；Powder
The side of broken room 3 is connect by pipeline with supply air system 1, the other side is connect by screw-feeder 4 with the lower end that storehouse 5 is pre-chilled,
The upper end of pulverizing chamber 3 is connect by pipeline with classification storehouse 9；Cold wind temperature provided by supply air system 1 is at -5 DEG C~20 DEG C；Pre-cooling
The side wall in storehouse 5 is connected with liquid nitrogen storage tank 6, and pre-cooling storehouse 5 is connect by auger conveyor 7 with feeding warehouse 8；It is classified setting essence in storehouse 9
Classifying turbine 10, the revolving speed of smart classifying turbine 10 are 3000~7000rpm；It is classified 9 lower end of storehouse and passes through the top of pipeline and pre-cooling storehouse 5
Portion's connection, classification 9 upper end of storehouse connect the air flow inlet of cyclone separator 11 by pipeline；The material outlet of cyclone separator 11 connects
It is connected to collecting bin 12, the air stream outlet of cyclone separator 11 is connect with the air flow inlet of deduster 13 by pipeline；Deduster 13
Air stream outlet connect with air-introduced machine 14 by pipeline；All pipeline connections are all made of fast mounting structure.
Material to be comminuted: being delivered in pre-cooling storehouse by basic principle of the invention automatically first, through liquid nitrogen frozen embrittlement；So
Brittle material is automatically entered in pulverizing chamber afterwards, applies Strong shear to it and crushes the field of force, make it rapidly by fine；Pulverizing chamber
In " immersion " cold wind provided by supply air system, the heat of generation is quickly taken away, and ensures crushing process compared with low temperature always
Degree is lower to carry out；Material leaves pulverizing chamber after the classification of rough classification impeller after pulverized, is further classified by smart classifying turbine, does not reach
It is reentered in pre-cooling storehouse to desired material is crushed through pipeline, enters pulverizing chamber after being frozen embrittlement again.Reach crushing to want
The material asked enters subsequent separation system and collection system, realizes gas solid separation and is collected.
Further, the material of fixed gear plate is stainless steel or wear-resisting alloy steel in pulverizing chamber 3, and the material of movable fluted disc can
Rigid for high-strength alloy, movable fluted disc high speed rotation linear velocity is in 30~180m/s；Temperature sensing is also provided in pulverizing chamber 3
Device, real-time monitoring crushing process temperature.
Further, the impeller clearance of rough classification impeller 2 is 10~30mm.
Further, gas provided by supply air system 1 can be air, or nitrogen or other inert gases,
Realize explosion-proof, the anti-oxidation crushing of material；The air intake of supply air system 1 can also be connect with the outlet air end of air-introduced machine 13, be realized lazy
Property gas recycles.
Further, the also settable gas stream of air intake (front end) of the outlet air end (rear end), air-introduced machine 13 of supply air system 1
Meter, real-time monitoring crushing process gas flow.
Further, it is classified 9 outer wall of storehouse and is provided with pneumatic hammer, hammer periodically can be carried out to classification storehouse 9 and moved, prevent material from gluing wall.
Further, the impeller clearance of smart classifying turbine 10 is 1~15mm.
Further, it is provided with temperature sensor in pre-cooling storehouse 5, real-time monitoring can be carried out to temperature of charge；It is also provided with
Visual windows facilitate observation material situation.
Further, cyclone separator 11 can be 1 grade, 2 grades or plural serial stage mode, install in 11 outer wall of cyclone separator
Pneumatic hammer periodically carries out hammer to cyclone separator 11 and moves, prevents material from gluing wall.
Further, deduster 13 can be bag filter or water dust scrubber, and can be 1 grade, 2 grades or multistage
Series model, it is internal to be provided with gas back-blowing apparatus or Liquid backwash device, prevent feed blocking micropore and convenient for cleaning.
Embodiment
1. feeding warehouse is added in 10kg ultra-high molecular weight polyethylene, starting auger conveyor is transported to pre-cooling storehouse, to
Being passed through liquid nitrogen in pre-cooling storehouse makes the temperature of ultra-high molecular weight polyethylene be down to -150 DEG C；
2. it is 3mm that the gap of fixed gear plate and movable fluted disc in pulverizing chamber, which is arranged, the diameter of movable fluted disc is 500mm；
3. starting supply air system and air-introduced machine, cold wind temperature is controlled at 8~10 DEG C；Starting crushes host, makes movable fluted disc
Make high speed rotary motion, linear velocity 80m/s；
4. the spacing with blades that rough classification impeller is arranged is 20mm, revolving speed 3000rpm；The spacing with blades of smart classifying turbine is
10mm, revolving speed 5000rpm；Start classifying turbine；
5. starting screw-feeder, the ultra-high molecular weight polyethylene after freezing embrittlement is delivered to pulverizing chamber, control charging
Speed makes crushing process temperature be consistently less than 50 DEG C；
6. the material after pulverized quickly escapes pulverizing chamber after rough classification impeller is tentatively classified and reaches smart classifying turbine, into
One step is by smart classifying turbine Accurate Classification, and the material for not up to crushing requirement reenters pre-cooling storehouse through pipeline, after freezing embrittlement
It is again introduced into pulverizing chamber.
It is collected after completion gas solid separation 7. reaching the material for crushing and requiring and entering in subsequent 1 grade of cyclone separator；Using 1
Grade bag filter is dusted purification to gas；
8. taking sample after crushing to be scanned electron microscope observation, as shown in Figure 2, the results showed that: particle size is less than
50 μm, size distribution it is relatively uniform.
Claims (10)
1. a kind of preparation facilities of special type superfine powder characterized by comprising
One feeding warehouse, being connected with feeding warehouse is auger conveyor；
Comminuting matter is transported to the pre-cooling storehouse being connected with auger conveyor by the feeding warehouse by auger conveyor；
The pre-cooling storehouse is used to pass through Liquid nitrogen precooler embrittlement material；
Pre-cooled brittle material is inputted pulverizing chamber by the screw-feeder for being additionally provided with connection pre-cooling storehouse；The side wall connection in storehouse is pre-chilled
There is liquid nitrogen storage tank；
Fixed gear plate and movable fluted disc are equipped with inside the pulverizing chamber；Rough classification impeller is additionally provided in pulverizing chamber；
The side of the pulverizing chamber is connect by pipeline with supply air system；
The upper end of the pulverizing chamber is connect by pipeline with classification storehouse；
The classification storehouse lower end is connect by pipeline with the top that storehouse is pre-chilled, and classification storehouse upper end connects cyclone separator by pipeline
Air flow inlet；Smart classifying turbine is set in the classification storehouse；
The material outlet of cyclone separator is connected with collecting bin, and the air stream outlet of cyclone separator and the air flow inlet of deduster are logical
Piping connection；The air stream outlet of deduster is connect by pipeline with air-introduced machine；
Pulverizing chamber is always in cold wind provided by supply air system, it is ensured that pulverizing chamber works at low temperature.
2. the preparation facilities of special type superfine powder according to claim 1, which is characterized in that fixed gear plate in pulverizing chamber
Material is stainless steel or wear-resisting alloy steel, and the material of movable fluted disc is that high-strength alloy is rigid, movable fluted disc high speed rotation linear velocity
In 30~180m/s；Temperature sensor, real-time monitoring crushing process temperature are also provided in pulverizing chamber.
3. the preparation facilities of special type superfine powder according to claim 1, which is characterized in that between the blade of rough classification impeller
Gap is 10~30mm.
4. the preparation facilities of special type superfine powder according to claim 1, which is characterized in that provided by supply air system 1
Gas is air and nitrogen or other inert gases；The air intake of supply air system can also be connect with the outlet air end of air-introduced machine, be realized
Inert gas recycles.
5. the preparation facilities of special type superfine powder according to claim 1, which is characterized in that after the outlet air end of supply air system
It holds, the also settable gas flowmeter in air intake front end of air-introduced machine, real-time monitoring crushing process gas flow.
6. the preparation facilities of special type superfine powder according to claim 1, which is characterized in that classification storehouse outer wall is provided with gas
It is dynamic periodically can to carry out hammer to classification storehouse for hammer.
7. the preparation facilities of special type superfine powder according to claim 1, which is characterized in that between the blade of smart classifying turbine
Gap is 1~15mm.
8. the preparation facilities of special type superfine powder according to claim 1, which is characterized in that pre-cooling is provided with temperature in storehouse
Sensor can carry out real-time monitoring to temperature of charge；Visual windows are also provided with, observation material situation is facilitated.
9. it is according to claim 1 special type superfine powder preparation facilities, which is characterized in that cyclone separator can for 1 grade,
2 grades or plural serial stage mode install pneumatic hammer in cyclone separator outer wall, periodically carry out hammer to cyclone separator and move, prevent material
Viscous wall.
10. the preparation facilities of special type superfine powder according to claim 1, which is characterized in that deduster can be cloth bag
Deduster or water dust scrubber, and can be 1 grade, 2 grades or plural serial stage mode, it is internal be provided with gas back-blowing apparatus or
Liquid backwash device prevents feed blocking micropore and convenient for cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810977035.9A CN109201299B (en) | 2018-08-26 | 2018-08-26 | Preparation device of special superfine powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810977035.9A CN109201299B (en) | 2018-08-26 | 2018-08-26 | Preparation device of special superfine powder |
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| CN109201299A true CN109201299A (en) | 2019-01-15 |
| CN109201299B CN109201299B (en) | 2021-05-07 |
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| CN201810977035.9A Active CN109201299B (en) | 2018-08-26 | 2018-08-26 | Preparation device of special superfine powder |
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|---|---|---|---|---|
| CN111073339A (en) * | 2019-12-06 | 2020-04-28 | 南京理工大学 | Preparation method of reactive dye dark blue K-BF superfine powder |
| CN111825782A (en) * | 2020-07-27 | 2020-10-27 | 潍坊硕邑化学有限公司 | Method for producing chlorosulfonated polyethylene rubber by using low-temperature freezing and crushing |
| CN112871387A (en) * | 2020-12-23 | 2021-06-01 | 江西嘉源新材料科技有限公司 | Powder grinding equipment |
| CN113318844A (en) * | 2021-05-28 | 2021-08-31 | 江苏鹏飞集团股份有限公司 | Preparation equipment and preparation method of polyvinyl alcohol powder |
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| CN116474908A (en) * | 2023-06-21 | 2023-07-25 | 齐齐哈尔市中医医院(齐齐哈尔市第三医院、黑龙江中医药大学齐齐哈尔临床医学院) | Medicine pressure mill for medical nursing |
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Application publication date: 20190115 Assignee: Jiangsu Junliang Automation Technology Co.,Ltd. Assignor: NANJING University OF SCIENCE AND TECHNOLOGY Contract record no.: X2023980053662 Denomination of invention: A preparation device for special ultrafine powder Granted publication date: 20210507 License type: Common License Record date: 20231223 |