CN108176148A - A kind of circulation type powder filter device and filter method based on Bernoulli effect - Google Patents
A kind of circulation type powder filter device and filter method based on Bernoulli effect Download PDFInfo
- Publication number
- CN108176148A CN108176148A CN201810061632.7A CN201810061632A CN108176148A CN 108176148 A CN108176148 A CN 108176148A CN 201810061632 A CN201810061632 A CN 201810061632A CN 108176148 A CN108176148 A CN 108176148A
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- Prior art keywords
- filter
- rack
- powder
- annular seal
- seal space
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
Abstract
A kind of circulation type powder filter device and filter method based on Bernoulli effect, it includes rack, collecting box, circulation filter, loading hopper and absorption wind turbine；The circulation filter is mounted in rack, including filtering rack, conical filter, annular seal space, circulating fan, peristaltic pump and conduit assembly, the conical filter is arranged in annular seal space, and filtering rack is connected by pipe fitting, collecting box is arranged in the center below filtering rack, and is welded under rack；The loading hopper is connect by conduit assembly with annular seal space, circulating fan respectively, circulating fan other end connection peristaltic pump, peristaltic pump other end connection annular seal space；The absorption wind turbine is arranged symmetrically in the surrounding of filtering rack, and be fixedly connected in rack.It can effectively realize that powder is recycled filtering, and sealing performance is high, pollutes small, energy conservation and environmental protection, is mainly used for the filtering and classification of powder.
Description
Technical field
The present invention relates to filtering powder field, specially a kind of circulation type powder filter devices based on Bernoulli effect
And filter method.
Background technology
In recent years, powder granule imperceptibility is the key technology in powder field, many in building materials, the energy, machinery, plastics etc.
Field, the continuous imperceptibility of powder can improve its application value, so, powder purifies filtering technique in powder working process not
It is disconnected to improve, meanwhile, also the imperceptibility degree of the grain size of powder is required stringent.
At present, the filter method of powder is broadly divided into two kinds of dry and wet, and a large amount of water resource is used in wet method filtration
With acid-base property solvent, environmental pollution is be easy to cause, cost performance is low, and can effectively save water resource using dry filtration, but deposit
Can not circulating filtration, filtering accuracy is relatively low, can not while filtering while crush powder the problems such as.
Therefore, a kind of recyclable filtering powder of research, while energy-saving and environment-friendly powder filter device is with highly important
Meaning.
Invention content
In view of the above problems, the present invention is mainly based upon the pipe effect of Bernoulli effect and conical filter
Filter method, and pass through the speed and pressure for controlling annular seal space interior air-flow, micro mist is made maximumlly to filter, and different by replacing
The conical filter of filtering accuracy may filter that out the micro mist of different grain size grade.
The object of the present invention is to provide a kind of circulation type powder filter devices based on Bernoulli effect, solve its technology
Technical solution is used by problem：It includes rack 1, collecting box 3, circulation filter, loading hopper 12 and absorption wind turbine
5；The circulation filter be mounted on rack 1 on, including filtering rack 6, conical filter 8, annular seal space 9, circulating fan 15,
Peristaltic pump 16 and conduit assembly, the conical filter 8 are arranged in annular seal space 9, and connect filtering rack 6 by pipe fitting,
Collecting box 3 is arranged in the center below filtering rack 6, and is welded under rack 1；The loading hopper 12 passes through pipeline group
Part is connect respectively with annular seal space 9, circulating fan 15, and 15 other end of circulating fan connection peristaltic pump 16,16 other end of peristaltic pump connects
Connect annular seal space 9；The absorption wind turbine 5 is arranged symmetrically in the surrounding below filtering rack 6, and is fixedly connected in rack 1.
The loading hopper 12 is pyramidal structure, and 12 lower part of loading hopper is provided with charging switch 11.
The filtering rack 6 and absorption wind turbine 5 are embedded in the square groove opened up on 1 table top of rack, and be fixedly connected on machine
On frame 1, for dust-separation, exhaust, and ensure the balance and leakproofness of cavity；Single facer filter net is provided on the filtering rack 6
7。
8 port of conical filter passes through the circular hole that end cap center opens up out of annular seal space 9 body, then is connect by pipe
The ventilative rack of head connection, so as to which the micro mist after filtering imports micro mist collecting box 3.
3 top of collecting box is provided with transparent class visual window 4, and bottom interior wall setting is fluted, by 3 body of collecting box
The groove of inner wall, which is embedded in, takes out block 2, with the leakproofness in guard box body, after device is stopped, then extracts block 2 out, takes out
Powder body.
The conduit assembly includes three-way pipe 10 connected in sequence, straight tube 13 and right-angle elbow pipe 14.
Described 16 one end of peristaltic pump connects annular seal space 9 by bend pipe, and the other end is connected by bend pipe and circulating fan 15, followed
The other end of ring wind turbine 15 connects the three-way pipe 10 of feed arrangement by right-angle elbow pipe 14, straight tube 13, ensures the recyclable of device
Property.
The blade of the circulating fan 15 can the larger powder of powder particle diameter.
The present invention also provides a kind of filter methods of the circulation type powder filter device based on Bernoulli effect, solve it
Technical solution is used by technical problem：The filter method of pipe effect based on Bernoulli effect and conical filter, and
By controlling the speed and pressure of 9 interior air-flow of annular seal space, micro mist is made maximumlly to filter, and by replacing different filtering accuracies
Conical filter 8 may filter that out the micro mist of different grain size grade.
The first step, by take out block 2 be inserted into 3 body of collecting box in the groove of wall, make its sealing, allow exhaust fan first work one section when
Between, make to form negative pressure in conical filter 8；Second step will be loaded with material powder and be put into loading hopper 12, open charging switch
11, by adsorb wind turbine 5 change 8 interior air-flow of conical filter speed and pressure, make micro mist filter into, filter into micro mist enter cone
In shape filter 8, under the swabbing action of 9 times absorption wind turbines 5 of gravity and annular seal space, micro mist collecting box 3 is fallen into, is not filtered out
Grain size is larger to sequentially enter 15 cycle of peristaltic pump 16 and circulating fan progress in annular seal space 9 by pipeline, and peristaltic pump 16 makes stream
Body is isolated in pump line, Ke Kuaisugenghuan pump line, fluid can drive in the wrong direction, can do operating, and maintenance cost is low, meanwhile, circulated air
The blade of machine can the larger powder of powder particle diameter, circulating fan the other end connection feed arrangement three-way pipe 10, ensure device
Recyclability；Third walk, by visualization window observe powder collecting amount, to it is a certain amount of when stop material powder charging,
And exhaust fan is allowed to work on a period of time, powder remaining in pipeline is sucked out, turns off exhaust fan；4th step, extraction are taken out
Block 2 collects powder, and cleaning device.
The beneficial effects of the invention are as follows：
1st, it is filtered by circulation type, filter efficiency is high, more thoroughly.
2nd, filtering accuracy is high, can in filtering the larger powder of powder particle diameter.
3rd, good seal performance, energy conservation and environmental protection are free from environmental pollution.
4th, the powder of different-grain diameter can be filtered, may filter that out the higher powder of imperceptibility degree.
5th, the filter method of the pipe effect based on Bernoulli effect and conical filter, makes micro mist maximumlly filter,
Filter out the micro mist of different grain size grade.
Description of the drawings
Fig. 1 is the overall structure half sectional view of apparatus of the present invention.
Fig. 2 is the front view of apparatus of the present invention.
Fig. 3 is the left view of apparatus of the present invention.
Fig. 4 is the vertical view of apparatus of the present invention.
Fig. 5 is the collection device installation diagram of apparatus of the present invention.
Fig. 6 is the ventilative rack structure chart of apparatus of the present invention.
In figure：1- racks, 2- pumping blocks, 3- collecting boxs, 4- transparent class visual windows, 5- absorption wind turbines, 6- filtering racks, 7- are mono-
Face filter screen, 8- conical filters, 9- annular seal spaces, 10- three-way pipes, 11- charging switches, 12- loading hoppers, 13- straight tubes, 14-
Right-angle elbow pipe, 15- circulating fans, 16- peristaltic pumps.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawings and examples.
Embodiment 1, the present invention include rack 1, collecting box 3, circulation filter, loading hopper 12 and absorption wind turbine 5；Institute
Circulation filter is stated in rack 1, including filtering rack 6, conical filter 8, annular seal space 9, circulating fan 15, is wriggled
Pump 16 and conduit assembly, the conical filter 8 are arranged in annular seal space 9, and connect filtering rack 6 by pipe fitting, are collected
Case 3 is arranged in the center below filtering rack 6, and is welded under rack 1；The loading hopper 12 passes through conduit assembly point
It is not connect with annular seal space 9, circulating fan 15,15 other end of circulating fan connection peristaltic pump 16, the connection of 16 other end of peristaltic pump is close
Seal chamber 9；The absorption wind turbine 5 is arranged symmetrically in the surrounding below filtering rack 6, and is fixedly connected in rack 1.Refering to Fig. 1
To Fig. 6.
Embodiment 2, the loading hopper 12 are pyramidal structure, and 12 lower part of loading hopper is provided with charging switch 11.It refers to
Fig. 1 to Fig. 6, remaining is the same as embodiment 1.
Embodiment 3, the filtering rack 6 and absorption wind turbine 5 are embedded in the square groove opened up on 1 table top of rack, and fixed
It is connected in rack 1, for dust-separation, exhaust, and ensures the balance and leakproofness of cavity；List is provided on the filtering rack 6
Face filter screen 7.Refering to Fig. 1 to Fig. 6, remaining same above-described embodiment.
Embodiment 4,8 port of conical filter pass through the circular hole that end cap center opens up out of annular seal space 9 body, then
Ventilative rack is connected by pipe fitting, so as to which the micro mist after filtering imports micro mist collecting box 3.Refering to Fig. 1 to Fig. 6, remaining is same
Above-described embodiment.
Embodiment 5,3 top of collecting box are provided with transparent class visual window 4, and bottom interior wall setting is fluted, by
The groove of wall, which is embedded in, in 3 body of collecting box takes out block 2, with the leakproofness in guard box body, after device is stopped, then extracts out
Block 2 takes out powder body.Refering to Fig. 1 to Fig. 6, remaining same above-described embodiment.
Embodiment 6, the conduit assembly include three-way pipe 10 connected in sequence, straight tube 13 and right-angle elbow pipe 14.Refering to Fig. 1
To Fig. 6, remaining same above-described embodiment.
Embodiment 7, described 16 one end of peristaltic pump connect annular seal space 9 by bend pipe, and the other end passes through bend pipe and circulating fan
15 connections, the other end of circulating fan 15 are connected the three-way pipe 10 of feed arrangement by right-angle elbow pipe 14, straight tube 13, ensure device
Recyclability.Refering to Fig. 1 to Fig. 6, remaining same above-described embodiment.
Embodiment 8, the blade of the circulating fan 15 can the larger powder of powder particle diameter.Refering to Fig. 1 to Fig. 6, remaining is same
Above-described embodiment.
The operation principle of the present invention：The filter method of pipe effect based on Bernoulli effect and conical filter, and lead to
The speed and pressure of control 9 interior air-flow of annular seal space are crossed, micro mist is made maximumlly to filter, and the cone by replacing different filtering accuracies
Shape filter 8 may filter that out the micro mist of different grain size grade.
The course of work of the present invention：The first step will be taken out block 2 and be inserted into 3 body of collecting box in the groove of wall, makes its sealing, allow
Exhaust fan first works a period of time, makes to form negative pressure in conical filter 8；Second step will be loaded with material powder and be put into charging leakage
Bucket 12 opens charging switch 11, changes the speed and pressure of 8 interior air-flow of conical filter by adsorbing wind turbine 5, filter micro mist
Into, filter into micro mist enter in conical filter 8, under the swabbing action of 9 times absorption wind turbines 5 of gravity and annular seal space, fall into
Micro mist collecting box 3, the grain size that does not filter out is larger to sequentially enter peristaltic pump 16 and circulating fan carries out in annular seal space 9 by pipeline
15 cycles, peristaltic pump 16 makes fluid be isolated in pump line, Ke Kuaisugenghuan pump line, fluid can drive in the wrong direction, can do operating, repairs
Expense is low, meanwhile, the blade of circulating fan can the larger powder of powder particle diameter, the other end connection feed arrangement of circulating fan
Three-way pipe 10 ensures the recyclability of device；Third walk, by visualization window observe powder collecting amount, to it is a certain amount of when stop
The only charging of material powder, and exhaust fan is allowed to work on a period of time, powder remaining in pipeline is sucked out, turns off exhausting
Machine；4th step, extraction take out block 2, collect powder, and cleaning device.
Claims (10)
1. a kind of circulation type powder filter device based on Bernoulli effect, it is characterized in that：It includes rack（1）, collecting box
（3）, circulation filter, loading hopper（12）With absorption wind turbine（5）；The circulation filter is mounted on rack（1）On, packet
Include filtering rack（6）, conical filter（8）, annular seal space（9）, circulating fan（15）, peristaltic pump（16）And conduit assembly, it is described
Conical filter（8）It is arranged on annular seal space（9）It is interior, and filtering rack is connected by pipe fitting（6）, collecting box（3）It was arranged in
Screen holder（6）Following center, and it is welded on rack（1）Under；The loading hopper（12）By conduit assembly respectively with
Annular seal space（9）, circulating fan（15）Connection, circulating fan（15）The other end connects peristaltic pump（16）, peristaltic pump（16）The other end
Connect annular seal space（9）；The absorption wind turbine（5）It is arranged symmetrically in filtering rack（6）Following surrounding, and it is fixedly connected on rack
（1）On.
2. the circulation type powder filter device according to claim 1 based on Bernoulli effect, it is characterized in that：It is described into
Funnel（12）For pyramidal structure, loading hopper（12）Lower part is provided with charging switch（11）.
3. the circulation type powder filter device according to claim 1 based on Bernoulli effect, it is characterized in that：The mistake
Screen holder（6）With absorption wind turbine（5）Embedded rack（1）In the square groove opened up on table top, and it is fixedly connected on rack（1）On,
For dust-separation, exhaust, and ensure the balance and leakproofness of cavity；The filtering rack（6）On be provided with single facer filter net（7）.
4. the circulation type powder filter device according to claim 1 based on Bernoulli effect, it is characterized in that：The cone
Shape filter（8）Port is from annular seal space（9）The circular hole opened up in vivo across end cap center, then connected and breathed freely by pipe fitting
Rack, so as to which the micro mist after filtering imports micro mist collecting box（3）.
5. the circulation type powder filter device according to claim 1 based on Bernoulli effect, it is characterized in that：The receipts
Header（3）Top is provided with transparent class visual window（4）, bottom interior wall setting is fluted, by collecting box（3）Wall is recessed in vivo
Slot is embedded in pumping block（2）, with the leakproofness in guard box body, after device is stopped, then extract pumping block out（2）, take out micro mist
Body.
6. the circulation type powder filter device according to claim 1 based on Bernoulli effect, it is characterized in that：The pipe
Road component includes three-way pipe connected in sequence（10）, straight tube（13）And right-angle elbow pipe（14）.
7. the circulation type powder filter device according to claim 1 based on Bernoulli effect, it is characterized in that：It is described compacted
Dynamic pump（16）One end connects annular seal space by bend pipe（9）, the other end passes through bend pipe and circulating fan（15）Connection, circulating fan
（15）The other end pass through right-angle elbow pipe（14）, straight tube（13）Connect the three-way pipe of feed arrangement（10）, ensure following for device
Ring.
8. the circulation type powder filter device according to claim 1 based on Bernoulli effect, it is characterized in that：It is described to follow
Ring wind turbine（15）Blade can the larger powder of powder particle diameter.
9. a kind of filter method based on filter device described in claim 1-8, it is characterised in that：Based on Bernoulli effect and
The filter method of the pipe effect of conical filter, and pass through control annular seal space（9）The speed and pressure of interior air-flow make micro mist maximum
The filtering of change, and the conical filter by replacing different filtering accuracies（8）, may filter that out the micro mist of different grain size grade.
10. filter method according to claim 9, its step are as follows：The first step will take out block（2）It is inserted into collecting box（3）Body
In the groove of inner wall, make its sealing, exhaust fan is allowed first to work a period of time, makes conical filter（8）Interior formation negative pressure；Second
Step, will be loaded with material powder and is put into loading hopper（12）, open charging switch（11）, by adsorbing wind turbine（5）Change taper mistake
Filter（8）The speed and pressure of interior air-flow, make micro mist filter into, filter into micro mist enter conical filter（8）It is interior, in gravity and
Annular seal space（9）Lower absorption wind turbine（5）Swabbing action under, fall into micro mist collecting box（3）, the grain size not filtered out is larger in annular seal space
（9）It is interior that peristaltic pump is sequentially entered by pipeline（16）It is carried out with circulating fan（15）Cycle, meanwhile, the blade of circulating fan can powder
The larger powder of particle diameter, the three-way pipe of the other end connection feed arrangement of circulating fan（10）, ensure the recyclability of device；
Third walk, by visualization window observe powder collecting amount, to it is a certain amount of when stop material powder charging, and allow exhaust fan after
Continuous work for a period of time, is sucked out powder remaining in pipeline, turns off exhaust fan；Block is taken out in 4th step, extraction（2）, collect powder
Body, and cleaning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061632.7A CN108176148A (en) | 2018-01-23 | 2018-01-23 | A kind of circulation type powder filter device and filter method based on Bernoulli effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810061632.7A CN108176148A (en) | 2018-01-23 | 2018-01-23 | A kind of circulation type powder filter device and filter method based on Bernoulli effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108176148A true CN108176148A (en) | 2018-06-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810061632.7A Pending CN108176148A (en) | 2018-01-23 | 2018-01-23 | A kind of circulation type powder filter device and filter method based on Bernoulli effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108176148A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624700A (en) * | 2019-09-26 | 2019-12-31 | 湘潭大学 | Centrifugal classifier for gas-solid mixed ultrafine powder |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1291933A (en) * | 1970-10-16 | 1972-10-04 | Bahco Ventilation Ab | A method and apparatus for purifying gases |
| JPH07185383A (en) * | 1993-11-20 | 1995-07-25 | Ricoh Co Ltd | Circulation type pulverizing and classifying machine |
| CN102463175A (en) * | 2010-11-05 | 2012-05-23 | 施丽萍 | Powder slurry grinder |
| CN103705955A (en) * | 2013-12-31 | 2014-04-09 | 昆明特康科技有限公司 | Circulating fluidized bed equipment and method for sterilizing and purifying pollen pini |
| CN203525469U (en) * | 2013-10-18 | 2014-04-09 | 南京华格电汽塑业有限公司 | Hot air circulation filter device and injection moulding drier comprising same |
| CN204685256U (en) * | 2015-05-25 | 2015-10-07 | 山东省农业机械科学研究院 | A kind of circulating Study on Supermicro-pulverization of Traditional Chinese Drugs machine |
| WO2017131385A1 (en) * | 2016-01-27 | 2017-08-03 | 주식회사 에이런 | Metal filter having no clogging and permanent filter assembly containing metal filter |
-
2018
- 2018-01-23 CN CN201810061632.7A patent/CN108176148A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1291933A (en) * | 1970-10-16 | 1972-10-04 | Bahco Ventilation Ab | A method and apparatus for purifying gases |
| JPH07185383A (en) * | 1993-11-20 | 1995-07-25 | Ricoh Co Ltd | Circulation type pulverizing and classifying machine |
| CN102463175A (en) * | 2010-11-05 | 2012-05-23 | 施丽萍 | Powder slurry grinder |
| CN203525469U (en) * | 2013-10-18 | 2014-04-09 | 南京华格电汽塑业有限公司 | Hot air circulation filter device and injection moulding drier comprising same |
| CN103705955A (en) * | 2013-12-31 | 2014-04-09 | 昆明特康科技有限公司 | Circulating fluidized bed equipment and method for sterilizing and purifying pollen pini |
| CN204685256U (en) * | 2015-05-25 | 2015-10-07 | 山东省农业机械科学研究院 | A kind of circulating Study on Supermicro-pulverization of Traditional Chinese Drugs machine |
| WO2017131385A1 (en) * | 2016-01-27 | 2017-08-03 | 주식회사 에이런 | Metal filter having no clogging and permanent filter assembly containing metal filter |
Non-Patent Citations (1)
| Title |
|---|
| 张佑林: "《粉体的流体分级技术与设备》", 武汉工业大学出版社, pages: 145 - 146 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624700A (en) * | 2019-09-26 | 2019-12-31 | 湘潭大学 | Centrifugal classifier for gas-solid mixed ultrafine powder |
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