CN109351459A - A kind of vertical particle classifying mechanism and grading plant with more stage units - Google Patents
A kind of vertical particle classifying mechanism and grading plant with more stage units Download PDFInfo
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- CN109351459A CN109351459A CN201811450145.6A CN201811450145A CN109351459A CN 109351459 A CN109351459 A CN 109351459A CN 201811450145 A CN201811450145 A CN 201811450145A CN 109351459 A CN109351459 A CN 109351459A
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- particle classifying
- classifying mechanism
- grading wheel
- powder
- assorting cylinder
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- 230000007246 mechanism Effects 0.000 title claims abstract description 58
- 239000002245 particle Substances 0.000 title claims abstract description 50
- 239000000843 powder Substances 0.000 claims abstract description 73
- 239000000463 material Substances 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000012216 screening Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 208000004350 Strabismus Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003245 working 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
- 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
- B02C23/22—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating with recirculation of material to crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
Abstract
The present invention relates to crushing materials to be classified processing technique field, more particularly to a kind of vertical particle classifying mechanism and grading plant with more stage units, wherein the vertical particle classifying mechanism includes assorting cylinder, multiple stage units and a plurality of discharge nozzle, multiple discharge ports are evenly arranged on the top cover of the assorting cylinder, the a plurality of discharge nozzle is tightly connected with multiple discharge ports respectively, the stage unit is set to discharge outlet, stage unit includes driving motor and grading wheel, the driving motor is located at the surface of grading wheel, the power output shaft of the driving motor passes through discharge nozzle and is fixedly connected with grading wheel, the grading wheel is located below the discharge opening.In the present solution, stage unit is arranged to vertical structure, when driving motor drives grading wheel rotation, stress is more uniform steady, failure rate of machinery is low, and the settings of multiple stage units ensure that the high yield of powder, grading efficiency of powder is high, precision is high so that grading efficiency of powder greatly improves.
Description
Technical field
The present invention relates to crushing material classification processing technique field more particularly to a kind of vertical powder with more stage units
Body classification mechanism and grading plant.
Background technique
Grader is the very crucial equipment for preparing superfine powder, can produce specified particle size distribution by being classified
Powder.With the development of science and technology all trades and professions gradually develop the granularity and size distribution requirements of powder to thin and narrow direction,
Therefore, to the requirement of classifying equipoment higher performance.
Traditional grader, such as vertical grader are mostly single chamber, single stage unit, and as powder demand is promoted, if
The diameter of standby enlargement while single grading wheel constantly increases, and revolving speed is improved with regard to relative difficulty, is unable to satisfy superfine powder height
It produces, efficiently, height accurately produces.Therefore, domestic and international manufacturer just develops horizontal multi-head grader based on the above issues.But
It is that, as horizontal multi-head grader is used for a long time, the grading wheel force unbalance of horizontal multi-head grader, material is by airflow function
Unevenly, air-flow interferes with each other between multiple grading wheels, causes biggish unfavorable shadow to the classification efficiency and grading effect of powder
It rings.
Therefore, it is urgent to provide a kind of completely new technical solutions to solve the above problems.
Summary of the invention
For this reason, it may be necessary to a kind of vertical particle classifying mechanism and grading plant with more stage units is provided, it is existing to solve
There is grading wheel discontinuity equalization in technology, the problem of it is highly efficient and productive to be unable to satisfy superfine powder, high accurate production requirement.
To achieve the above object, a kind of vertical particle classifying mechanism with more stage units is inventor provided, it is described
Vertical particle classifying mechanism includes assorting cylinder, multiple stage units and a plurality of discharge nozzle, is uniformly set on the top cover of the assorting cylinder
Multiple discharge ports are equipped with, a plurality of discharge nozzle is tightly connected with multiple discharge ports respectively, and the stage unit is set to discharging
At mouthful, stage unit includes driving motor and grading wheel, and the driving motor is located at the surface of grading wheel, the driving motor
Power output shaft pass through discharge nozzle be fixedly connected with grading wheel, the grading wheel is located below the discharge opening, powder via divide
Step cone flows to discharge port.
As a kind of preferred structure of the invention, the vertical particle classifying mechanism includes deflector, the flow guiding machine
Structure is set in assorting cylinder, and the top of deflector is fixedly connected with the top cover of assorting cylinder, the classification of the multiple stage unit
Wheel is located between the side wall and deflector of assorting cylinder.
As a kind of preferred structure of the invention, the deflector is deflection cone, and the deflection cone is set to assorting cylinder
Center at, the relatively big end of deflection cone is fixedly connected with the top cover of assorting cylinder.
As a kind of preferred structure of the invention, the vertical particle classifying mechanism further includes demarcation plate, and described adjacent point
Demarcation plate is provided between step cone, assorting cylinder is divided into multiple independent hierarchical rooms by the demarcation plate.
As a kind of preferred structure of the invention, the discharge nozzle is discharging elbow, the discharging nozzle of the discharging elbow
It is directed away from the direction of assorting cylinder.
As a kind of preferred structure of the invention, the vertical particle classifying mechanism further includes aggregate pipe, it is the multiple go out
The discharging nozzle of expects pipe is connected to aggregate pipe.
As a kind of preferred structure of the invention, the aggregate pipe is set at the top cap central of assorting cylinder.
As a kind of preferred structure of the invention, the stage unit further includes bearing block, and the bearing block is fixed on point
On grade cylinder, the power output shaft of the driving motor is connected by bearing block and grading wheel.
As a kind of preferred structure of the invention, annular groove, grading wheel part are provided on the bearing block lower end surface
It can rotate in annular groove and along annular groove.
Further, inventor additionally provides a kind of vertical powder classification device, and the vertical powder classification device includes
Rack and the particle classifying mechanism and material barrel being installed in the rack, the particle classifying mechanism are above-mentioned vertical powder
Body classification mechanism, the assorting cylinder are set on material barrel, and the material barrel is disposed with powder entrance, secondary from top to bottom
Adjust wind entrance and coarse fodder outlet.
It is different from the prior art, above-mentioned technical proposal has the advantages that the present invention is a kind of vertical with more stage units
Formula particle classifying mechanism is provided with multiple stage units and a plurality of discharge nozzle on the assorting cylinder of the vertical particle classifying mechanism,
Powder to be fractionated is moved under the drive of air-flow at the grading wheel of each stage unit, and the driving motor of each stage unit drives
Grading wheel rotation carries out fineness screening to powder, and the satisfactory powder of fineness passes through grading wheel and passes through on assorting cylinder top cover
Discharge port is then discharged via discharge nozzle.In the present solution, stage unit is arranged to vertical structure, in driving motor drive point
Stress is more uniform steady when step cone rotates, and symmetrical by material pneumatic even action, failure rate of machinery is low, the effectiveness of classification of powder
Height, it is high-efficient.And the settings of multiple stage units ensure that the high yield of powder so that grading efficiency of powder greatly improves,
And the diameter of grading wheel is reduced, so that the available raising of the revolving speed of grading wheel, to promote the particle classifying essence of the present apparatus
Degree, in addition, the present apparatus, which can control grading wheel by driving motor, has different revolving speeds, to carry out a variety of fineness powders simultaneously
General's choosing is collected.
Detailed description of the invention
Fig. 1 is a kind of strabismus schematic diagram of vertical one embodiment of particle classifying mechanism with more stage units of the present invention；
Fig. 2 is a kind of schematic top plan view of vertical one embodiment of particle classifying mechanism with more stage units of the present invention；
Fig. 3 is a kind of strabismus schematic diagram of vertical one embodiment of particle classifying mechanism with more stage units of the present invention；
Fig. 4 is a kind of elevational schematic view of vertical one embodiment of particle classifying mechanism with more stage units of the present invention；
Fig. 5 is the partial cutaway view schematic in Fig. 4 along the direction D-D；
Fig. 6 is a kind of main view signal of vertical another embodiment of particle classifying mechanism with more stage units of the present invention
Figure；
Fig. 7 is a kind of schematic top plan view of vertical another embodiment of particle classifying mechanism with more stage units of the present invention
Fig. 8 is a kind of schematic front view of vertical one embodiment of powder separator of the present invention.
Description of symbols:
1, vertical powder classification device；
10, vertical particle classifying mechanism；
100, assorting cylinder；110, discharge port；
200, stage unit；210, driving motor；220, grading wheel；230, bearing block；
300, discharge nozzle；
400, aggregate pipe；
500, deflector；
600, demarcation plate；
700, grading room；
11, rack；
12, material barrel；121, powder entrance；122, Secondary Control wind entrance；123, coarse fodder exports.
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality
It applies example and attached drawing is cooperated to be explained in detail.
1 and Fig. 7 are please referred to, the vertical particle classifying mechanism with more stage units that the present invention provides a kind of is described vertical
Formula particle classifying mechanism 10 includes assorting cylinder 100, multiple stage units 200 and a plurality of discharge nozzle 300, the assorting cylinder 100
Multiple discharge ports 110 are evenly arranged on top cover, a plurality of discharge nozzle 300 is tightly connected with multiple discharge ports 110 respectively, institute
It states stage unit 200 to be set at discharge port 110, stage unit 200 includes driving motor 210 and grading wheel 220, the driving
Motor 210 is located at the surface of grading wheel 220, and the power output shaft of the driving motor 210 passes through discharge nozzle 300 and grading wheel
220 are fixedly connected, and the grading wheel 220 is located at the lower section of discharge port 110, and powder flows to discharge port 110 via grading wheel 220.
Vertical particle classifying mechanism provided by the invention can be adapted for the sizing screening work of the powder fineness of different size, preferably
, the classification efficiency that the present apparatus is used in superfine powder is higher, and grading effect is more preferable.It is general to think powder in crushing material field
Body can then be referred to as superfine powder between 2500-3000 mesh.
Specifically, the vertical particle classifying mechanism 10 includes assorting cylinder 100, multiple stage units 200 and a plurality of discharging
Pipe 300.Main structure of the assorting cylinder 100 as the present apparatus, to carry and install stage unit 200 and discharge nozzle 300
Deng other composed structures, the assorting cylinder 100 has classification inner cavity, and the powder is leaned on air motion into classification inner cavity
Nearly stage unit 200.The stage unit 200 is specific as the powder sieving and grading mechanism in the present apparatus, specifically, described point
Grade unit 200 includes driving motor 210 and grading wheel 220, and the driving motor 210 is provided as the power of stage unit 200
Mechanism, to drive grading wheel 220 to be rotated；The grading wheel 220 is used to screen the fineness of powder, passes through driving
The revolving speed that motor 210 controls grading wheel 220 can screen the powder of different fineness, and the revolving speed of grading wheel 220 is faster, can pass through
The powder fineness of grading wheel 220 is higher.The discharge port 110 serves not only as qualified powder discharge button, while being also stage unit
200 mounting hole, the driving motor 210 are set to the top of discharge port 110, and the power output shaft of driving motor 210 passes through
Discharge port 110 and the grading wheel 220 being set in assorting cylinder 100 are fixed.Preferably, the driving motor 210 is variable-frequency motor,
Variable-frequency motor speed regulation is simple, more energy saving.Discharging structure of the discharge nozzle 300 as each stage unit 200, for that will lead to
It crosses outside the powder conveying to device of the screening of grading wheel 220 and is collected.
In actual use, operating personnel starts the drive grading wheel 220 of driving motor 210 and rotates, pending powder classification
Powder with the grading wheel 220 of air motion to each stage unit 200 at, each classification classification carries out fineness sieving and grading,
Meet the powder that the screening of 220 fineness of grading wheel requires and passes through grading wheel 220 successively by the discharge port on 100 top cover of assorting cylinder
110 and the discharge nozzle 300 that is tightly connected with discharge port 110 grading plant is discharged, and do not meet 220 fineness requirement powder of grading wheel
Body can then be got rid of down, be crushed again by the disintegrating mechanism of pulverizer.In embodiment as depicted in figs. 1 and 2, work as driving
When motor 210 drives the revolving speed of each grading wheel 220 consistent, the powder fineness screened by each grading wheel 220 is consistent, at this time powder
Collection can be respectively enterd in collection device by a plurality of discharge nozzle 300, also can be set in an additional aggregate pipe 400,
300 mouthfuls of discharge nozzle of the multiple discharge nozzle 300 are connected to aggregate pipe 400, so that qualified powder all enters aggregate pipe 400
It is middle to carry out unified collection, simplify layout of beam line, the present apparatus can be to the powder of fineness of the same race, classification efficiency height, powder yield
It is high；Preferably, the aggregate pipe 400 is set at the top cap central of assorting cylinder 100, and the setting of aggregate pipe 400 is pushed up in assorting cylinder 100
At lid center, so that 100 each section of assorting cylinder is more uniformly stressed.In embodiment as shown in Figure 6 and Figure 7, work as driving motor
When 220 revolving speed of grading wheel of 210 each stage units 200 of drive is not quite identical, the present apparatus can be used different in collecting at this time
The powder of fineness specification, it is different by the powder fineness specification for not having to revolving speed grading wheel 220, so that the versatility of the present apparatus is more
By force；Preferably, the discharge nozzle 300 is discharging elbow, and 300 mouthfuls of discharge nozzle of the discharging elbow are directed away from assorting cylinder 100
Direction facilitate the collection conduit of itself and device external to be cooperated so that 300 mouthfuls of discharge nozzle are respectively facing different directions.And
And the vertical particle classifying mechanism of the present invention has the stage unit 200 of multiple autonomous workings, has both made in some or certain points
When the grade appearance damage of unit 200 can not be worked normally, the work of other stage units 200 will not be influenced, so that this dress
It sets with stronger practicability.In addition, stage unit 200 is arranged to vertical structure in this programme, driven in driving motor 210
Stress is more uniform steady when grading wheel 220 rotates, and symmetrical by material pneumatic even action, failure rate of machinery is low, the classification of powder
Precision is high, high-efficient.
3 are please referred into embodiment shown in fig. 5, as a preferred embodiment of the present invention, the vertical powder point
Grade mechanism include deflector 500, the deflector 500 is set in assorting cylinder 100, the top of deflector 500 with point
The top cover of grade cylinder 100 is fixedly connected, and the grading wheel 220 of the multiple stage unit 200 is located at the side wall and water conservancy diversion of assorting cylinder 100
Between mechanism 500.In actual use, the building block that vertical grading plant of the present invention can be used as pulverizer uses,
The deflector 500 then carries out leading current direction, a side for will not pass through the powder that 200 grading wheel 220 of stage unit screens
Face will facilitate disintegrating mechanism further to crush the powder on the disintegrating mechanism of underproof powder honeycomb duct pulverizer,
To meet the requirement of operating personnel, powder movement barrier effect on the other hand can also be played to a certain extent, avoids not conforming to
Lattice are quickly moved at the grading wheels 220 of other stage units 200 and are screened.The top of deflector 500 and assorting cylinder
100 top cover is fixedly connected, and prevents powder from entering inside deflector 500.Specifically, the deflector 500 can be
Guide shell or deflection cone.Preferably, the deflector 500 is deflection cone, and the deflection cone is set in assorting cylinder 100
At the heart, the relatively big end of deflection cone is fixedly connected with the top cover of assorting cylinder 100.Deflection cone is set to the classification inner cavity of assorting cylinder 100
Center at, facilitate the intermediate water conservancy diversion of the unqualified powder of fineness, can be preferably by underproof powder honeycomb duct pulverizer
It is crushed again on disintegrating mechanism, further increases the classification and collection efficiency of qualified powder.
In preferred embodiment as shown in Figures 3 to 5, the vertical particle classifying mechanism further includes demarcation plate 600, institute
It states and is provided with demarcation plate 600 between adjacent grading wheel 220, assorting cylinder 100 is divided into multiple independences point by the demarcation plate 600
Grade room 700.In the present embodiment, the classification inner cavity of assorting cylinder 100 is divided into multiple independent grading rooms by the demarcation plate 600
700, the grading wheel 220 of multiple stage units 200 is located in different grading rooms 700, enables each stage unit 200
Enough complete work independently of one another, the air-flow that each rotation of grading wheel 220 agitation generates will not mutually cause to interfere, the classification of powder
It is more efficient.In the particular embodiment, when being provided with deflector 500 in assorting cylinder 100, demarcation plate 600 and flow guiding machine
The classification inner cavity of assorting cylinder 100 is divided into independent grading room 700 by the cooperation of structure 500.In a further embodiment, work as assorting cylinder
In 100 when not set guide shell, it is fitted to each other by muti-piece demarcation plate 600 and assorting cylinder 100 is divided into multiple independent classifications
Room 700.In the particular embodiment, the quantity of the stage unit 200 is five, and five stage units 200 are uniform in a ring
It is laid on assorting cylinder 100, then it is also five that the quantity of the discharge port 110 is adapted therewith.In actual use, make
Industry personnel occur stage unit 200 and are set as five, and vertical particle classifying mechanism work is relatively stable, meets grading efficiency of powder
Height, effect are good, the high requirement of yield.
In certain specific embodiments, the stage unit 200 further includes bearing block 230, and the bearing block 230 is fixed
In on assorting cylinder 100, the power output shaft of the driving motor 210 is connected by bearing block 230 and grading wheel 220.The axis
The setting for holding seat 230 facilitates and carries out better seal between grading wheel 220 and the top cover of assorting cylinder 100, so that powder must lead to
Discharge port 110 could be passed through by crossing grading wheel 220.Preferably, it is provided with annular groove on 230 lower end surface of bearing block, be classified
It takes turns 220 parts to be located in annular groove and can rotate along annular groove, so that the rotation of grading wheel 220 is more stable.
In further embodiment, inventor additionally provides a kind of vertical powder classification device, the vertical particle classifying
Device 1 includes machine 11 and the particle classifying mechanism and material barrel 12 that are installed in the rack 11, the particle classifying mechanism
For above-mentioned vertical particle classifying mechanism 10, the assorting cylinder 100 is set on material barrel 12, and the material barrel 12 is from top to bottom
It is disposed with powder entrance 121, Secondary Control wind entrance 122 and coarse fodder outlet 123.Vertical powder described in the present embodiment point
Stage arrangement 20 is exclusively used in the sizing screening of powder, and powder to be fractionated is entered inside material barrel by powder entrance, as air-flow is transported
Progress separation screening at stage unit is moved, qualified separation has discharge nozzle discharge by grading wheel, and underproof coarse powder exists
It is thrown under the action of centrifugal force in classification barrel wall, and falls to secondary tune wind inlet along inner wall, outside air enters
Enter to form convolution ascending air from secondary tune wind entrance, the thinner material in part is blowed again to being divided at grading wheel
Grade, thicker material are then exported under gravity from coarse fodder and are discharged.
It should be noted that being not intended to limit although the various embodiments described above have been described herein
Scope of patent protection of the invention.Therefore, it based on innovative idea of the invention, change that embodiment described herein is carried out and is repaired
Change, or using equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it directly or indirectly will be with
Upper technical solution is used in other related technical areas, is included within the scope of protection of the patent of the present invention.
Claims (10)
1. a kind of vertical particle classifying mechanism with more stage units, which is characterized in that the vertical particle classifying mechanism packet
Assorting cylinder, multiple stage units and a plurality of discharge nozzle are included, multiple discharge ports are evenly arranged on the top cover of the assorting cylinder, it is described
A plurality of discharge nozzle is tightly connected with multiple discharge ports respectively, and the stage unit is set to discharge outlet, and stage unit includes driving
Dynamic motor and grading wheel, the driving motor are located at the surface of grading wheel, and the power output shaft of the driving motor passes through
Expects pipe is fixedly connected with grading wheel, and the grading wheel is located below the discharge opening, and powder flows to discharge port via grading wheel.
2. the vertical particle classifying mechanism according to claim 1 with more stage units, which is characterized in that described vertical
Particle classifying mechanism includes deflector, and the deflector is set in assorting cylinder, the top of deflector and assorting cylinder
Top cover is fixedly connected, and the grading wheel of the multiple stage unit is located between the side wall and deflector of assorting cylinder.
3. the vertical particle classifying mechanism according to claim 2 with more stage units, which is characterized in that the water conservancy diversion
Mechanism is deflection cone, and the deflection cone is set at the center of assorting cylinder, and the relatively big end of deflection cone and the top cover of assorting cylinder are fixed
Connection.
4. the vertical particle classifying mechanism according to claim 1 with more stage units, which is characterized in that described vertical
Particle classifying mechanism further includes demarcation plate, is provided with demarcation plate between the adjacent grading wheel, and the demarcation plate is by assorting cylinder
It is divided into multiple independent hierarchical rooms.
5. the vertical particle classifying mechanism according to claim 1 with more stage units, which is characterized in that the discharging
Pipe is discharging elbow, and the discharging nozzle of the discharging elbow is directed away from the direction of assorting cylinder.
6. the vertical particle classifying mechanism according to claim 1 with more stage units, which is characterized in that described vertical
Particle classifying mechanism further includes aggregate pipe, and the discharging nozzle of the multiple discharge nozzle is connected to aggregate pipe.
7. the vertical particle classifying mechanism according to claim 7 with more stage units, which is characterized in that described to gather materials
Pipe is set at the top cap central of assorting cylinder.
8. the vertical particle classifying mechanism according to claim 1 with more stage units, which is characterized in that the classification
Unit further includes bearing block, and the bearing block is fixed on assorting cylinder, and the power output shaft of the driving motor passes through bearing block
It is connected with grading wheel.
9. the vertical particle classifying mechanism according to claim 8 with more stage units, which is characterized in that the bearing
Annular groove is provided on seat lower end surface, grading wheel part is located in annular groove and can rotate along annular groove.
10. a kind of vertical powder classification device, which is characterized in that the vertical powder classification device includes rack and is installed on
Particle classifying mechanism and material barrel in the rack, the particle classifying mechanism are described in any one of claim 1-9
Vertical particle classifying mechanism, the assorting cylinder are set on material barrel, and the material barrel is disposed with powder from top to bottom and enters
Mouth, Secondary Control wind entrance and coarse fodder outlet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811450145.6A CN109351459A (en) | 2018-11-30 | 2018-11-30 | A kind of vertical particle classifying mechanism and grading plant with more stage units |
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| CN201811450145.6A CN109351459A (en) | 2018-11-30 | 2018-11-30 | A kind of vertical particle classifying mechanism and grading plant with more stage units |
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| CN205613711U (en) * | 2016-03-02 | 2016-10-05 | 河南省少林重型机器有限公司 | Vertical air classifier of many rotors |
| CN106391465A (en) * | 2016-09-20 | 2017-02-15 | 派勒（天津）纳米技术有限公司 | Large-flow multi-class device |
| CN107350162A (en) * | 2017-08-25 | 2017-11-17 | 长沙深湘通用机器有限公司 | Multi-product multi-stage classifier |
| CN209254962U (en) * | 2018-11-30 | 2019-08-16 | 福建龙亿粉体装备制造有限公司 | A kind of vertical particle classifying mechanism and grading plant with more stage units |
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