CN209501993U - Double air inlet ring type particle classifying equipment - Google Patents
Double air inlet ring type particle classifying equipment Download PDFInfo
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- CN209501993U CN209501993U CN201822128673.1U CN201822128673U CN209501993U CN 209501993 U CN209501993 U CN 209501993U CN 201822128673 U CN201822128673 U CN 201822128673U CN 209501993 U CN209501993 U CN 209501993U
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- air inlet
- separation chamber
- ring
- inlet ring
- enterprising
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Abstract
The utility model discloses a kind of double air inlet ring type particle classifying equipment, including with the feed hopper (2) below feeder (1) discharge port, dispersion cone (3) and separation chamber (4), the internal centre of the separation chamber (4) is equipped with superposed upper dispersion impeller (5) and enterprising compression ring (6) and lower dispersion impeller (7) and lower air inlet ring (8) positioned at middle part, the side of the enterprising compression ring (6) and lower air inlet ring (8) is equipped with several air inlet holes, the side wall of the separation chamber (4) is equipped with induced duct (9), described induced duct (9) one end passes through the centre bore of lower air inlet ring (8) from top to bottom, the other end of the induced duct (9) extends to the collecting tank of separation chamber (4) outside, the bottom of the separation chamber (4) is equipped with rewinding bucket (10).The sizing of equipment efficiency and precision are high, convenient for operating and can handle submicron-grade superfine particle classifying.
Description
Technical field
The utility model relates to submicron-grade superfine particle classifying equipment, belong to submicron-grade superfine powder gas phase classification skill
Art field is especially a kind of double air inlet ring type particle classifying equipment.
Background technique
In known powder gas phase body classifying equipoment, there are commonly centrifugal cyclone separators.Classification process, powder exist
After entering cyclone body under the action of air-flow, in cyclone body exterior measuring because forming the outer ring moved downward under the action of gravity and centrifugal force
Stream, bulky grain powder move downwardly into aggregate bin along whirlwind body wall.The interior circulation moved upwards is centrally formed in cyclone body, carefully
Small powder moves upwards at cyclone body center, into fine powder collection hopper, to reach the classification purpose of different particles.But it is conventional
Cyclone separator only have a direction, an air inlet, after powder enters cyclone body under the action of air-flow, air-flow is hindered
Power, revolving speed reduce.Powder rotation speed in rotary fluid is slow, and the centrifugal force that powder particle is subject to reduces, and powder dispersity is poor.Portion
Divide undispersed particle to enter in fine powder collection equipment with inner ring stream is risen, causes classification efficiency to reduce, effectiveness of classification is poor.It is conventional
Cyclone separator be only applicable to the biggish particle classifying of particle, processing submicron-grade superfine particle classifying is difficult.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of classification efficiency and precision is high, convenient for operation and can locate
Manage double air inlet ring type particle classifying equipment of submicron-grade superfine particle classifying.
The technical solution of the utility model is to provide a kind of double air inlet ring type particle classifying equipment having following structure,
Including with below feeder discharge port feed hopper, dispersion cone and separation chamber, the feed hopper be located at the top feed of separation chamber
Mouthful, the dispersion cone is located in separation chamber and is located at below the feed inlet of separation chamber, and the centre inside the separation chamber is equipped with position
In the upper dispersion impeller on top and enterprising compression ring and positioned at the lower dispersion impeller and lower air inlet ring at middle part, the enterprising compression ring and lower air inlet
The side of ring is equipped with several air inlet holes, is equipped with powder supply between the inner wall of the side wall and separation chamber of the enterprising compression ring and lower air inlet ring
The gap that body passes through;The side wall of the separation chamber is equipped with induced duct, and described induced duct one end passes through lower air inlet ring from top to bottom
Centre bore, the other end of the induced duct extend to the collecting tank outside separation chamber, and the bottom of the separation chamber is equipped with rewinding bucket.
The upper dispersion impeller is in up-small and down-big pyramid type and the centre bore for covering enterprising compression ring.
The lower dispersion impeller is in up-small and down-big circular platform type and the centre bore for covering lower air inlet ring, the lower dispersion impeller set
In the inner end end of induced duct.
The separation chamber is made of two parts, superposed in up-small and down-big circular platform type first chamber and positioned at lower part
Be in up big and down small circular platform type second chamber, the lower air inlet ring is mounted on the junction of first chamber and second chamber.
The air inlet of the enterprising compression ring and lower air inlet ring is in rectangle in the cross section of tangential direction air inlet and air inlet.
After using the above structure, the utility model have the advantage that due to use tapered separation chamber, it is double-deck, porous into
Gas, air-flow enter cyclone body by porous air inlet ring, reduce air-flow by resistance, increase flow rotation speed, powder exists
By dispersing after coning enters cyclone body, after the dispersion of enterprising compression ring, then logical lower air inlet ring crosses twice dispersing, improves powder
Dispersibility and centrifugal force.The centrifugation for increasing corase particles, improves classification efficiency and effectiveness of classification, realizes submicron order
The precision of superfine powder is classified.In addition it can replace various sizes of porous air inlet ring, the size of air inlet is adjusted, can control not
With the classification requirement of powder.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of double air inlet ring type particle classifying equipment of the utility model.
Fig. 2 is the structural schematic diagram under the utility model into air inlet ring.
It is as shown in the figure: 1, feeder, 2, feed hopper, 3, dispersion cone, 4, separation chamber, 5, upper dispersion impeller, 6, enterprising compression ring, 7,
Lower dispersion impeller, 8, lower air inlet ring, 9, induced duct, 10, rewinding bucket.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figs. 1-2, double air inlet ring type particle classifying equipment of the utility model, including under 1 discharge port of feeder
Feed hopper 2, dispersion cone 3 and the separation chamber 4 of side, the feed hopper 2 are located at the top feed mouth of separation chamber 4, and the dispersion cone 3 is set
In separation chamber 4 and it is located at below the feed inlet of separation chamber 4, the centre inside the separation chamber 4 is equipped with superposed upper point
Dissipate disk 5 and enterprising compression ring 6 and lower dispersion impeller 7 and lower air inlet ring 8 positioned at middle part, the side of the enterprising compression ring 6 and lower air inlet ring 8
Face is equipped with several air inlet holes, is equipped between the inner wall of the side wall and separation chamber 4 of the enterprising compression ring 6 and lower air inlet ring 8 for powder
By gap;The side wall of the separation chamber 4 is equipped with induced duct 9, and described 9 one end of induced duct passes through lower air inlet ring 8 from top to bottom
Centre bore, the other end of the induced duct 9 extends to the collecting tank outside separation chamber 4, and the bottom of the separation chamber 4 is equipped with rewinding
Bucket 10.
The upper dispersion impeller 5 is in up-small and down-big pyramid type and the centre bore for covering enterprising compression ring 6.
The lower dispersion impeller 7 is in up-small and down-big circular platform type and the centre bore for covering lower air inlet ring 8, the lower dispersion impeller
7 sets of inner end ends in induced duct 9.
The separation chamber 4 is made of two parts, superposed in up-small and down-big circular platform type first chamber 4.1 and being located at
Lower part is in up big and down small circular platform type second chamber 4.2, and the lower air inlet ring 8 is mounted on first chamber 4.1 and second chamber
4.2 junction.
The air inlet of the enterprising compression ring 6 and lower air inlet ring 8 is in rectangle in the cross section of tangential direction air inlet and air inlet.
Under the action of system air-introducing machine, powder is dispersed cone 3 by feed hopper and enters separation chamber 4, and powder is in upper air
It after ring 6 separates, is separated at lower dispersion impeller 7 through secondary acceleration, and gyration airflow takes at top dispersion cone 3 again upwards by high speed
It is secondary to do downward centrifugal movement, it as follows separates repeatedly, part oversize grain enters in collection hopper under positioning disk effect, tiny grain
Son enters in collecting tank with central gas stream, reaches classification purpose.
Double air inlet ring type particle classifying equipment of the utility model are connect in the middle part of separation chamber with lower curtate enterprising compression ring 6 respectively
Lower air inlet ring 8, powder is after the separation of enterprising compression ring 6, then excessively secondary accelerations of logical lower air inlet ring 8 separates, and improves powder
Dispersibility and centrifugal force.The centrifugation for increasing corase particles, improves classification efficiency and effectiveness of classification.
Double air inlet ring type particle classifying equipment of the utility model, can also replace under various sizes of enterprising compression ring 6
Air inlet ring 8 adjusts the size of air inlet, can control the classification requirement of different powders.
Double air inlet ring type particle classifying equipment of the utility model, separation chamber 4 is in tapered, 4 bottom angle of separation chamber difference
In 60 degree, powder fluid stable, centrifugal force is big, different particle powder good separating effects.Air inlet uses porous air inlet, and air-flow is logical
Excessive gas inlet hole floral disc enters separation chamber 4, and air flow method is uniform, improves the dispersibility of powder.Air inlet in tangential direction into
Gas.The resistance that air-flow is subject in cyclone body is reduced, flow rotation speed is increased, improves the grading effect of powder.Separation
There are two dispersion impellers and air inlet ring up and down in room respectively, increases separation chamber's tolerance and air-flow rotation speed, improves powder particle
The centrifugal force moved out improves powder dispersion effect and classification efficiency.Compared to conventional cyclone, classification essence is improved
Degree, the precision suitable for being classified more demanding micron-class superfine powder are classified.
Claims (5)
1. a kind of double air inlet ring type particle classifying equipment, it is characterised in that: including with below feeder discharge port feed hopper, point
Cone and separation chamber are dissipated, the feed hopper is located at the top feed mouth of separation chamber, and the dispersion cone, which is located in separation chamber and is located at, to be divided
Below feed inlet from room, during the centre inside the separation chamber is equipped with superposed upper dispersion impeller and enterprising compression ring and is located at
The side of the lower dispersion impeller in portion and lower air inlet ring, the enterprising compression ring and lower air inlet ring is equipped with several air inlet holes, the upper air
The gap passed through for powder is equipped between the inner wall of the side wall and separation chamber of ring and lower air inlet ring;The side wall of the separation chamber is equipped with
Induced duct, described induced duct one end pass through the centre bore of lower air inlet ring from top to bottom, and the other end of the induced duct extends to point
From outdoor collecting tank, the bottom of the separation chamber is equipped with rewinding bucket.
2. double air inlet ring type particle classifying equipment according to claim 1, it is characterised in that: the upper dispersion impeller is presented small
Big pyramid type and cover the centre bore of enterprising compression ring down.
3. double air inlet ring type particle classifying equipment according to claim 1, it is characterised in that: the lower dispersion impeller is presented small
Big circular platform type and the centre bore of lower air inlet ring is covered down, the lower dispersion impeller is covered in the inner end end of induced duct.
4. double air inlet ring type particle classifying equipment according to claim 1, it is characterised in that: there are two parts in the separation chamber
Composition, superposed in up-small and down-big circular platform type first chamber and positioned at lower part is in up big and down small the second chamber of circular platform type
Room, the lower air inlet ring are mounted on the junction of first chamber and second chamber.
5. double air inlet ring type particle classifying equipment according to claim 1, it is characterised in that: the enterprising compression ring and under into
The air inlet of compression ring is in rectangle in the cross section of tangential direction air inlet and air inlet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822128673.1U CN209501993U (en) | 2018-12-18 | 2018-12-18 | Double air inlet ring type particle classifying equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822128673.1U CN209501993U (en) | 2018-12-18 | 2018-12-18 | Double air inlet ring type particle classifying equipment |
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CN209501993U true CN209501993U (en) | 2019-10-18 |
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CN201822128673.1U Active CN209501993U (en) | 2018-12-18 | 2018-12-18 | Double air inlet ring type particle classifying equipment |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112439559A (en) * | 2020-12-03 | 2021-03-05 | 宁波广新纳米材料有限公司 | Superfine powder gas-phase classification equipment and classification method thereof |
WO2022134687A1 (en) * | 2020-12-23 | 2022-06-30 | 江苏博迁新材料股份有限公司 | Gas-phase powder grading device |
-
2018
- 2018-12-18 CN CN201822128673.1U patent/CN209501993U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112439559A (en) * | 2020-12-03 | 2021-03-05 | 宁波广新纳米材料有限公司 | Superfine powder gas-phase classification equipment and classification method thereof |
WO2022134687A1 (en) * | 2020-12-23 | 2022-06-30 | 江苏博迁新材料股份有限公司 | Gas-phase powder grading device |
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