CN204412476U - Gas phase classifying equipoment - Google Patents
Gas phase classifying equipoment Download PDFInfo
- Publication number
- CN204412476U CN204412476U CN201420860203.3U CN201420860203U CN204412476U CN 204412476 U CN204412476 U CN 204412476U CN 201420860203 U CN201420860203 U CN 201420860203U CN 204412476 U CN204412476 U CN 204412476U
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- Prior art keywords
- cyclone body
- air inlet
- pipe
- inlet pipe
- gas phase
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/02—Construction of inlets by which the vortex flow is generated, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission
- B04C5/04—Tangential inlets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
- B04C5/13—Construction of the overflow ducting, e.g. diffusing or spiral exits formed as a vortex finder and extending into the vortex chamber; Discharge from vortex finder otherwise than at the top of the cyclone; Devices for controlling the overflow
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- Fluid Mechanics (AREA)
- Cyclones (AREA)
Abstract
The utility model discloses a kind of gas phase classifying equipoment, comprise cyclone body, be arranged at the recovering hopper of cyclone body lower end, be arranged at the end cap of cyclone body upper end, end-cover axle stretches to the top stream pipe in cyclone body to setting, one end that top stream pipe is positioned at outside cyclone body connects air inducing equipment, it is characterized in that, the lateral wall of described cyclone body is positioned at below end cap and is provided with porous air inlet floral disc, described porous air inlet floral disc comprises disk body, disk body arranges the equally distributed air inlet pipe of multiple circumference along the tangential direction of internal diameter, and described air inlet pipe is connected with cyclone body; Axially also is provided with conical deflector in described cyclone body, the lower end of conical deflector is flowed the lower end that pipe is positioned at cyclone body and is connected with pushing up, and the upper end of conical deflector and the upper end of cyclone body flush.Have and not easily occur that eddy current and short circuit phenomenon, structure are simple, classification efficiency and precision high, the advantage of convenient operation.
Description
Technical field:
The utility model high speed cyclone classifying equipoment is that one relates to submicron order (particle size diameter 100nm ~ 1.0 μm) superfine powder precision classifying equipoment, belongs to submicron-grade superfine powder gas phase classification field.
Background technology:
In known powder gas phase body classifying equipoment, conventional has centrifugal cyclone separator.Conventional cyclone separator generally comprises cyclone body, the aggregate bin below cyclone body; Cyclone body sidewall arranges air inlet pipe, and the air inlet of air inlet pipe and cyclone body are tangential direction air inlet; The setting of cyclone body top is flowed with the top of air inducing equipment connection and is managed; Above-mentioned this structure, air-flow, after cyclone separator air inlet tangentially enters cyclone body, forms eddy current in cyclone separator, and the air-flow by cyclone body core directly discharges gas by top stream pipe under the effect of interior circulation, cause air flow shortcircuit phenomenon, have impact on grading effect.
In addition, classification process, after powder enters cyclone body under the effect of air-flow, in cyclone body near cyclone body madial wall position because forming the outside circulation moved downward under the effect of gravity and centrifugal force, in air-flow, bulky grain powder moves downward along whirlwind body wall and enters aggregate bin.In cyclone body, be formed centrally circulation in moving upward, in air-flow, tiny powder moves upward at cyclone body center.Interior circulation is reverse and go with the outside circulation air-flow that moves downward at uphill process China and foreign countries sidewind, cyclone inlet air-flow because of routine flows pipe outlet with top and there is eddy current and short circuit phenomenon, part enters top stream blast pipe without the powder particle of dispersion in the lump with short circuit air flow, enter in fines collection equipment, mix to be formed pollute with the fine powder after being separated.
In addition, conventional cyclone separator arranges an air inlet pipe, namely only has a direction air inlet, after powder enters cyclone body under the effect of air-flow, the resistance that air-flow is subject to is large, and powder rotary speed in rotary fluid is slow, the centrifugal force that powder particle is subject to reduces, and powder dispersity is poor.The particle that part is not disperseed flows in fines collection equipment with rising inner ring.Be directed at classification efficiency to reduce, effectiveness of classification is poor, submicron-grade superfine particle classifying difficulty.
Utility model content:
The utility model is for the above-mentioned deficiency of prior art, and eddy current and short circuit phenomenon, structure are simple to provide one not easily to occur, classification efficiency and precision high, the gas phase classifying equipoment of convenient operation.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of gas phase classifying equipoment, comprise cyclone body, be arranged at the recovering hopper of cyclone body lower end, be arranged at the end cap of cyclone body upper end, end-cover axle stretches to the top stream pipe in cyclone body to setting, one end that top stream pipe is positioned at outside cyclone body connects air inducing equipment, it is characterized in that, the lateral wall of described cyclone body is positioned at below end cap and is provided with porous air inlet floral disc, described porous air inlet floral disc comprises disk body, disk body arranges the equally distributed air inlet pipe of multiple circumference along the tangential direction of internal diameter, described air inlet pipe is connected with cyclone body, axially also is provided with conical deflector in described cyclone body, the lower end of conical deflector is flowed the lower end that pipe is positioned at cyclone body and is connected with pushing up, and the upper end of conical deflector and the upper end of cyclone body flush.
Adopt said structure, under the effect of system air-introduced machine, air-flow enters in cyclone body by the air inlet pipe on porous air inlet floral disc, near madial wall, the outside circulation of High Rotation Speed is formed in cyclone body, and to bottom motion under the guide functions of cone type flow guider, then cyclone body inner bottom part forms the interior circulation moved upward; After powder to be separated passes through the dry gas dispersion from compressor, along with feed pipe enters in cyclone body, powder is High Rotation Speed centrifugal motion under the effect of air-flow, air-flow accelerates the speed moved downward under the effect of cone type flow guider, solves and flows between pipe there is eddy current and short circuit phenomenon in cyclone body import department and top; Middle big particle powder in powder moves to bottom under the effect of cone type flow guider and gravity along cyclone body madial wall; In powder, ultrafine particle (air inducing equipment, as air exhauster etc.) under the effect of interior circulation, overcomes centrifugal force and moves upward, and enters top stream pipe and discharges, thus reach classification object together with air-flow; In addition, the porous air inlet floral disc arranged, the air inlet of the multiple air inlet pipe of air inlet floral disc is tangential direction (be tangential direction with floral disc internal diameter or cyclone body external diameter), multiply air-flow enters in cyclone body by porous air inlet floral disc, form the air-flow be evenly distributed, decrease resistance, increase the rotary speed of air-flow in cyclone body, improve the centrifugal force that powder particle outwards moves, improve grading efficiency of powder and precision.Achieve the precision classification of submicron-grade superfine powder.
As improvement, the range of taper of described cone type flow guider is at 30-90 degree (i.e. the side line of cone or the angle between title bus and horizontal direction).Adopt this structure to guide air-flow to move downward further, and powder not easily bond with in cone.
As improvement, the air inlet of the air inlet pipe on described porous air inlet floral disc is square type, adopts this structure powder to enter more smooth, treating capacity large, good separating effect.
As improvement, air inlet pipe on described porous air inlet floral disc is 2 ~ 50, adopt this structure, can ensure that air flow method is even further, decrease resistance, increase the rotary speed of air-flow in cyclone body, improve the centrifugal force that powder particle outwards moves, improve grading efficiency of powder and precision.Achieve the precision classification of submicron-grade superfine powder.
As further improvement, wide × long=1 ~ 20mm:5 ~ 30mm in aperture of the air inlet pipe on described porous air inlet floral disc.
As improvement, described air inlet pipe is positioned at cyclone body lateral ends top and arranges feed hopper, and feed hopper axis is axially vertical with air inlet pipe.
Gas phase classifying equipoment of the present utility model, can be applicable to particle diameter below 1.0um micron, shape is the precision classification of the superfine powder of ball-type.
Accompanying drawing illustrates:
Fig. 1 the utility model gas phase classifying equipoment structural representation.
Fig. 2 cone type flow guider structural representation.
Detailed description of the invention:
Below in conjunction with accompanying drawing and instantiation, the utility model is further illustrated.
As shown in Figure 1-2, a kind of gas phase classifying equipoment of the utility model, comprise cyclone body 1, be arranged at the recovering hopper 8 of cyclone body lower end, be arranged at the end cap 3 of cyclone body upper end, end-cover axle stretches to the top stream pipe 4 in cyclone body to setting, one end that top stream pipe is positioned at outside cyclone body connects air inducing equipment (as conventional air inducing equipment such as air exhausters), it is characterized in that, the lateral wall of described cyclone body 1 is positioned at below end cap 3 and is provided with porous air inlet floral disc 2, described porous air inlet floral disc 2 comprises disk body 2.1, disk body 2.1 arranges the equally distributed air inlet pipe 7 of multiple circumference along the tangential direction of internal diameter, described air inlet pipe 7 is connected with cyclone body 1, axially also is provided with conical deflector 5 in described cyclone body 1, the lower end of conical deflector 5 is flowed the lower end that pipe 4 is positioned at cyclone body 1 and is connected with pushing up, and the upper end of conical deflector 5 and the upper end of cyclone body 1 flush.
Described recovering hopper is connected by anchor ear with cyclone body, and described cone type flow guider is connected with end cap by top stream pipe, and stream pipe lower end, described top is connected with the lower end of cone type flow guider, and described porous air inlet floral disc is connected with cyclone body sidewall.
Adopt said structure, under the effect of system air-introduced machine, air-flow enters in cyclone body by the air inlet pipe on porous air inlet floral disc, near madial wall, the outside circulation of High Rotation Speed is formed in cyclone body, and to bottom motion under the guide functions of cone type flow guider, then cyclone body inner bottom part forms the interior circulation moved upward; After powder to be separated passes through the dry gas dispersion from compressor, along with feed pipe enters in cyclone body, powder is High Rotation Speed centrifugal motion under the effect of air-flow, air-flow accelerates the speed moved downward under the effect of cone type flow guider, solves and flows between pipe there is eddy current and short circuit phenomenon in cyclone body import department and top; Middle big particle powder in powder moves to bottom under the effect of cone type flow guider and gravity along cyclone body madial wall; In powder, ultrafine particle (air inducing equipment, as air exhauster etc.) under the effect of interior circulation, overcomes centrifugal force and moves upward, and enters top stream pipe and discharges, thus reach classification object together with air-flow; In addition, the porous air inlet floral disc arranged, the air inlet of the multiple air inlet pipe of air inlet floral disc is tangential direction (be tangential direction with floral disc internal diameter or cyclone body external diameter), multiply air-flow enters in cyclone body by porous air inlet floral disc, form the air-flow be evenly distributed, decrease resistance, increase the rotary speed of air-flow in cyclone body, improve the centrifugal force that powder particle outwards moves, improve grading efficiency of powder and precision.Achieve the precision classification of submicron-grade superfine powder.
The range of taper of the cone type flow guider 5 described in this practicality is at 30-90 degree (i.e. the side line of cone or the angle between title bus and horizontal direction).Adopt this structure to guide air-flow to move downward further, and powder not easily bond with in cone.
The air inlet of the air inlet pipe on the porous air inlet floral disc described in this practicality is square type, adopts this structure powder to enter more smooth, treating capacity large, good separating effect.
Air inlet pipe on porous air inlet floral disc described in this practicality be 2 ~ 50 (as shown in Figure 2, the present embodiment adopts 8), adopt this structure, can ensure that air flow method is even further, decrease resistance, increase the rotary speed of air-flow in cyclone body, improve the centrifugal force that powder particle outwards moves, improve grading efficiency of powder and precision.Achieve the precision classification of submicron-grade superfine powder.As further improvement, the aperture of the air inlet pipe on described porous air inlet floral disc is wide × long=1 ~ 20mm:5 ~ 30mm.
Air inlet pipe 7 described in this practicality is positioned at cyclone body 1 lateral ends top and arranges feed hopper 6, and feed hopper 6 axis is axial vertical with air inlet pipe 7.
Gas phase classifying equipoment of the present utility model, can be applicable to particle diameter below 1.0um micron, shape is the precision classification of the superfine powder of ball-type.
The utility model high accuracy cyclone classifying equipoment, changes the porous air inlet floral disc of different size, regulates the floral disc size of air inlet, can control the classification requirement of different powder.
Claims (6)
1. a gas phase classifying equipoment, comprise cyclone body, be arranged at the recovering hopper of cyclone body lower end, be arranged at the end cap of cyclone body upper end, end-cover axle stretches to the top stream pipe in cyclone body to setting, one end that top stream pipe is positioned at outside cyclone body connects air inducing equipment, it is characterized in that, the lateral wall of described cyclone body is positioned at below end cap and is provided with porous air inlet floral disc, described porous air inlet floral disc comprises disk body, disk body arranges the equally distributed air inlet pipe of multiple circumference along the tangential direction of internal diameter, and described air inlet pipe is connected with cyclone body; Axially also is provided with conical deflector in described cyclone body, the lower end of conical deflector is flowed the lower end that pipe is positioned at cyclone body and is connected with pushing up, and the upper end of conical deflector and the upper end of cyclone body flush.
2. gas phase classifying equipoment according to claim 1, is characterized in that, the range of taper of described cone type flow guider is at 30-90 degree.
3. gas phase classifying equipoment according to claim 1, is characterized in that, the air inlet of the air inlet pipe on described porous air inlet floral disc is square type.
4. gas phase classifying equipoment according to claim 2, is characterized in that, the aperture of the air inlet pipe on described porous air inlet floral disc is wide × long=1 ~ 20mm:5 ~ 30mm.
5. gas phase classifying equipoment according to claim 1, is characterized in that, the air inlet pipe on described porous air inlet floral disc is 2 ~ 50.
6. gas phase classifying equipoment according to claim 1, is characterized in that, described air inlet pipe is positioned at cyclone body lateral ends top and arranges feed hopper, and feed hopper axis is axially vertical with air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420860203.3U CN204412476U (en) | 2014-12-30 | 2014-12-30 | Gas phase classifying equipoment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420860203.3U CN204412476U (en) | 2014-12-30 | 2014-12-30 | Gas phase classifying equipoment |
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| CN204412476U true CN204412476U (en) | 2015-06-24 |
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| CN201420860203.3U Active CN204412476U (en) | 2014-12-30 | 2014-12-30 | Gas phase classifying equipoment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057126A (en) * | 2015-07-28 | 2015-11-18 | 北京源诚工业安全技术有限公司 | Strengthened micro cyclone separator and high-pressure separation device with same |
| CN112452568A (en) * | 2020-11-03 | 2021-03-09 | 三明学院 | Comprehensive dust raising type circulating separation system and separation method |
| CN112903549A (en) * | 2021-01-23 | 2021-06-04 | 华通力盛(北京)智能检测集团有限公司 | Automatic environmental air monitoring station |
| WO2022144739A1 (en) * | 2020-12-30 | 2022-07-07 | Luxnara Yaovaphankul | Compact disc stack cyclone separator |
-
2014
- 2014-12-30 CN CN201420860203.3U patent/CN204412476U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057126A (en) * | 2015-07-28 | 2015-11-18 | 北京源诚工业安全技术有限公司 | Strengthened micro cyclone separator and high-pressure separation device with same |
| CN112452568A (en) * | 2020-11-03 | 2021-03-09 | 三明学院 | Comprehensive dust raising type circulating separation system and separation method |
| CN112452568B (en) * | 2020-11-03 | 2024-04-16 | 三明学院 | Comprehensive dust-raising type circulating separation system and separation method |
| WO2022144739A1 (en) * | 2020-12-30 | 2022-07-07 | Luxnara Yaovaphankul | Compact disc stack cyclone separator |
| CN112903549A (en) * | 2021-01-23 | 2021-06-04 | 华通力盛(北京)智能检测集团有限公司 | Automatic environmental air monitoring station |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161027 Address after: 223801 Suqian province high tech Development Zone, Jiangshan Road, No. 23, No. Patentee after: Jiangsu Bo move new materials Limited by Share Ltd Address before: Yinzhou District Zhejiang city in Ningbo province where 315153 broad industrial park spring news site Patentee before: Ningbo Guangbo New Nanomaterials Stock Co.,Ltd. |