CN108126898A - A kind of filtering type powder classification device and stage division according to underbalance effect - Google Patents
A kind of filtering type powder classification device and stage division according to underbalance effect Download PDFInfo
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- CN108126898A CN108126898A CN201711238753.6A CN201711238753A CN108126898A CN 108126898 A CN108126898 A CN 108126898A CN 201711238753 A CN201711238753 A CN 201711238753A CN 108126898 A CN108126898 A CN 108126898A
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- powder
- classification
- rack
- chamber
- filtering type
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Classifications
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- 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
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- 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
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
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- Combined Means For Separation Of Solids (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
A kind of filtering type powder classification device and stage division according to underbalance effect, it mainly solve existing powder classification device it is of high cost, not environmentally, the technical problems such as effectiveness of classification is not high, partition size is uneven.Its key points of the technical solution are that:It mainly includes rack, body structure, powder collection device and exhaust fan, the body structure is mounted on above rack, including conduit assembly, graded chamber and seal cavity, wherein, graded chamber includes classification chamber, end cap and ventilative rack, seal cavity includes annular seal space and two pieces of single-sided ventilating nets being symmetrically installed, and conduit assembly is included through the sequentially connected taper chimney filter of pipe fitting, right-angle elbow pipe and straight tube;The powder collection device includes the identical powder collecting box of two structures, is arranged in classification chamber, the center below annular seal space for collecting fine powder and coarse powder, and be welded in rack.It is mainly used for particle classifying.
Description
Technical field
The present invention relates to particle classifying field, specially a kind of filtering type powder classification device according to underbalance effect and point
Grade method.
Background technology
Due to high-purity, even particle size distribution superfine powdery material have a series of excellent magnetic, light, electricity, mechanics and
The characteristics such as chemistry, application value higher, so, status of the particle classifying purification technique in powder processing is higher and higher, to powder
The requirement of body is also higher and higher.At present, the stage division of powder has two kinds of dry and wet, is needed in wet classification using a large amount of
Basic dispersion agent solution, waste water resource is of high cost, not environmentally;In dry classification, using physical method, it can save
The problems such as about water resource, but not high there is effectiveness of classification, partition size is uneven.Therefore, it is high to study a kind of effectiveness of classification, point
The controllable novel powder grading plant of grade granularity has a very important significance.
Invention content
In view of the above problems, the present invention mainly utilizes underbalance effect, bernoulli principle and taper chimney filter 12
Filtration, and pass through the speed and pressure for controlling 12 interior air-flow of taper chimney filter, fine powder made maximumlly to filter out, so as to fulfill
Classification, and the taper chimney filter 12 by replacing different meshes, may filter that out the fine powder of different grain size grade, so as to solve powder point
The problems such as class precision is low, and partition size control is not easy.
The object of the present invention is to provide a kind of filtering type powder classification devices according to underbalance effect, solve its technical problem
Used technical solution is:It mainly includes rack 1, body structure, powder collection device and exhaust fan 2, the babinet knot
Structure is mounted on above rack 1, including conduit assembly, graded chamber and seal cavity, wherein, graded chamber includes classification chamber 5, end
Lid 6 and ventilative rack 3, seal cavity include annular seal space 7 and two pieces of single-sided ventilating nets 8 being symmetrically installed, and conduit assembly includes logical
Cross 13 sequentially connected taper chimney filter 12 of pipe fitting, right-angle elbow pipe 14 and straight tube 15;The powder collection device includes two knots
The identical powder collecting box of structure is arranged in classification chamber 5, the center below annular seal space 7 for collecting fine powder and coarse powder,
And it is welded in rack 1.
The classification chamber 5, annular seal space 7 are embedded in the groove accordingly opened up on rack table, and pass through link block 4 and bolt
Nut is fixed in rack 1, ensures the leakproofness of cavity.
The ventilative rack 3, single-sided ventilating net 8 are separately mounted to the cavity of classification chamber 5 and annular seal space 7 by bolt and nut
It is interior, and be embedded in together in the groove opened up on 1 table top of rack with cavity, for dust-separation, exhaust.
The circular hole and be loaded with original that the osculum end of the taper chimney filter 12 is opened up out of classification chamber 5 across 6 center of end cap
The airflow line of feed powder body is connected, and big opening end is connected by pipe fitting 13 with right-angle elbow pipe 14, then is passed through thoroughly by pipe fitting 13
The circular hole that 3 side of gas rack opens up is connect with horizontally disposed straight tube 15, and the circular hole that straight tube 15 passes through 5 side of classification chamber to open up leads to
It crosses pipe fitting 13 with annular seal space 7 to be connected, so as to which unfiltered coarse powder is imported coarse powder collecting box.
The end cap 6 is connected to the upper port of classification chamber 5 by bolt and nut, passes through bolt and nut in 6 outer surface of end cap
A clip 11 is mounted with for fixing 12 portlet of taper chimney filter.
Powder collecting box includes being welded on the babinet in rack 1 and the pumping block 10 in embedded cabinet wall groove, and in case
Body side is provided with window, installs one block of transparent glass 9, and situation is collected for observing powder.
The exhaust fan 2 shares 6, and 4 surroundings being arranged symmetrically in below classification chamber, 2 are arranged symmetrically in annular seal space
Following both sides, and pass through bolt and nut and be connected in rack 1.
The present invention also provides a kind of filtering type particle classifying methods according to underbalance effect, solve its technical problem and are used
Technical solution be:Using underbalance effect, the filtration of bernoulli principle and taper chimney filter 12, and pass through and taper is controlled to filter
The speed and pressure of 12 interior air-flow of pipe, make fine powder maximumlly filter out, so as to fulfill classification.
The first step will be taken out block 10 and be inserted into the groove of powder collection tank inner wall, block gas access, allows exhaust fan 2 first
Work a period of time makes classification chamber 5 with forming certain negative pressure in annular seal space 7;Second step leads to the air for being loaded with material powder
Enter taper chimney filter 12, by changing the speed and pressure of 12 interior air-flow of taper chimney filter, fine powder is made to filter out maximization, the fine powder filtered out
Into in classification chamber 5, under the swabbing action of 5 times exhaust fans of gravity and classification chamber 2, fines collection case is fallen into, what is do not filtered out is thick
Powder enters annular seal space 7 under the swabbing action of 5 times exhaust fans of annular seal space 2, and falls into coarse powder collecting box;Third walks, by visual
Change window observation powder collecting amount, to during rated capacity stop material powder charging, and allow exhaust fan 2 work on one section when
Between, powder remaining in pipeline is sucked out, turns off exhaust fan 2;4th step, extraction take out block 10, collect powder, and clean dress
It puts.
By replacing the taper chimney filter 12 of different meshes, the fine powder of different grain size grade may filter that out.
The beneficial effects of the invention are as follows:
1st, good airproof performance, free from environmental pollution, energy conservation and environmental protection.
2nd, it makes simply, is convenient to mount and dismount, it is at low cost.
3rd, fine powder from chimney filter is separated according to underbalance effect, bernoulli principle, easily realized, effectiveness of classification is high.
4th, by replacing the chimney filter of different meshes, it is gradable go out the different particle of particle size range, partition size is controllable.
Description of the drawings
Fig. 1 is the overall structure half section schematic diagram of the present invention.
Fig. 2 is the front view of the present invention.
Fig. 3 is the vertical view of the present invention.
Fig. 4 is the left view of the present invention.
Fig. 5 is the conduit assembly installation diagram of the present invention.
Fig. 6 is the ventilative rack structure chart of the present invention.
In figure:1- racks, 2- exhaust fans, 3- breathe freely rack, 4- link blocks, 5- classification chambers, 6- end caps, 7- annular seal spaces, 8-
Single-sided ventilating net, 9- transparent glass, 10- pumping blocks, 11- clips, 12- taper chimney filters, 13- pipe fittings, 14- right-angle elbow pipes, 15- are straight
Pipe.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawings and examples.
Embodiment 1, the invention mainly comprises rack 1, body structure, powder collection device and exhaust fan 2, the babinet knot
Structure is mounted on above rack 1, including conduit assembly, graded chamber and seal cavity, wherein, graded chamber includes classification chamber 5, end
Lid 6 and ventilative rack 3, seal cavity include annular seal space 7 and two pieces of single-sided ventilating nets 8 being symmetrically installed, and conduit assembly includes logical
Cross 13 sequentially connected taper chimney filter 12 of pipe fitting, right-angle elbow pipe 14 and straight tube 15;The powder collection device includes two knots
The identical powder collecting box of structure is arranged in classification chamber 5, the center below annular seal space 7 for collecting fine powder and coarse powder,
And it is welded in rack 1.Refering to Fig. 1 to Fig. 6.
Embodiment 2, the classification chamber 5, annular seal space 7 are embedded in the groove accordingly opened up on rack table, and pass through connection
Block 4 and bolt and nut are fixed in rack 1, ensure the leakproofness of cavity.Refering to Fig. 1 to Fig. 6, remaining is the same as embodiment 1.
Embodiment 3, the ventilative rack 3, single-sided ventilating net 8 are separately mounted to classification chamber 5 and sealing by bolt and nut
It in the cavity of chamber 7, and is embedded in together in the groove opened up on 1 table top of rack with cavity, for dust-separation, exhaust.Refering to Fig. 1 to figure
6, remaining same above-described embodiment.
Embodiment 4, the osculum end of the taper chimney filter 12 pass through the circular hole that 6 center of end cap opens up out of classification chamber 5
It is connected with the airflow line for being loaded with material powder, big opening end is connected, then pass through pipe fitting by pipe fitting 13 with right-angle elbow pipe 14
13 circular holes that ventilative 3 side of rack is passed through to open up are connect with horizontally disposed straight tube 15, and straight tube 15 passes through 5 side of classification chamber to open up
Circular hole be connected by pipe fitting 13 with annular seal space 7, so as to by unfiltered coarse powder import coarse powder collecting box.Refering to Fig. 1 to figure
6, remaining same above-described embodiment.
Embodiment 5, the end cap 6 are connected to the upper port of classification chamber 5 by bolt and nut, passed through in 6 outer surface of end cap
Bolt and nut is mounted with a clip 11 for fixing 12 portlet of taper chimney filter.Refering to Fig. 1 to Fig. 6, remaining is the same as above-mentioned implementation
Example.
Embodiment 6, powder collecting box include being welded on the babinet in rack 1 and the pumping block in embedded cabinet wall groove
10, and window is provided in babinet side, one block of transparent glass 9 is installed, situation is collected for observing powder.Refering to Fig. 1 to Fig. 6,
Remaining same above-described embodiment.
Embodiment 7, the exhaust fan 2 share 6, and 4 surroundings being arranged symmetrically in below classification chamber, 2 are arranged symmetrically
Both sides below annular seal space, and pass through bolt and nut and be connected in rack 1.Refering to Fig. 1 to Fig. 6, remaining same above-described embodiment.
Embodiment 8 by replacing the taper chimney filter 12 of different meshes, may filter that out the fine powder of different grain size grade, so as to
Control the particle size range of particle classifying.
Embodiment 9 is taken out in groove of the block 10 by embedded collection tank inner wall, it is ensured that the leakproofness in babinet, device
It after being stopped, then extracts block 10 out, takes out powder.Refering to Fig. 1 to Fig. 6, remaining same above-described embodiment.
Operation principle:Using underbalance effect, the filtration of bernoulli principle and taper chimney filter 12, and pass through control cone
The speed and pressure of 12 interior air-flow of shape chimney filter, make fine powder maximumlly filter out, so as to fulfill classification.
The course of work:The first step will be taken out block 10 and be inserted into the groove of powder collection tank inner wall, blocks gas access, allow
Exhaust fan 2 first works a period of time, makes classification chamber 5 with forming certain negative pressure in annular seal space 7;Second step will be loaded with raw material powder
The air of body is passed through taper chimney filter 12, by changing the speed and pressure of 12 interior air-flow of taper chimney filter, fine powder is made to filter out maximization,
The fine powder filtered out enters in classification chamber 5, under the swabbing action of 5 times exhaust fans of gravity and classification chamber 2, falls into fines collection case,
The coarse powder not filtered out enters annular seal space 7 under the swabbing action of 5 times exhaust fans of annular seal space 2, and falls into coarse powder collecting box;Third
Step observes powder collecting amount by visualization window, to the charging of stopping material powder during rated capacity, and exhaust fan 2 is allowed to continue
Work a period of time, powder remaining in pipeline is sucked out, turns off exhaust fan 2;4th step, extraction take out block 10, collect powder,
And cleaning device.
Claims (10)
1. a kind of filtering type powder classification device according to underbalance effect, it is characterized in that:It mainly includes rack(1), babinet knot
Structure, powder collection device and exhaust fan(2), the body structure is mounted on rack(1)Above, including conduit assembly, classification chamber
Body and seal cavity, wherein, graded chamber includes classification chamber(5), end cap(6)With ventilative rack(3), seal cavity is including sealing
Chamber(7)The single-sided ventilating net being symmetrically installed with two pieces(8), conduit assembly is including passing through pipe fitting(13)Sequentially connected taper filter
Pipe(12), right-angle elbow pipe(14)And straight tube(15);The powder collection device includes the identical powder collecting box of two structures, point
It is not arranged in classification chamber(5), annular seal space(7)Following center is used to collect fine powder and coarse powder, and be welded on rack(1)
On.
2. the filtering type powder classification device according to claim 1 according to underbalance effect, it is characterized in that:The classification chamber
(5), annular seal space(7)In the groove accordingly opened up on embedded rack table, and pass through link block(4)Machine is fixed on bolt and nut
Frame(1)On, ensure the leakproofness of cavity.
3. the filtering type powder classification device according to claim 1 according to underbalance effect, it is characterized in that:The gas-permeable nets
Frame(3), single-sided ventilating net(8)Classification chamber is separately mounted to by bolt and nut(5)And annular seal space(7)Cavity in, and with chamber
Body is embedded in rack together(1)In the groove opened up on table top, for dust-separation, exhaust.
4. the filtering type powder classification device according to claim 1 according to underbalance effect, it is characterized in that:The taper filter
Pipe(12)Osculum end from classification chamber(5)It is interior to pass through end cap(6)The circular hole that center opens up and the air-flow for being loaded with material powder
Pipeline is connected, and big opening end passes through pipe fitting(13)With right-angle elbow pipe(14)It is connected, then passes through pipe fitting(13)Across ventilative rack
(3)The circular hole that side opens up and horizontally disposed straight tube(15)Connection, straight tube(15)Across classification chamber(5)The circular hole that side opens up
Pass through pipe fitting(13)With annular seal space(7)It is connected, so as to which unfiltered coarse powder is imported coarse powder collecting box.
5. the filtering type powder classification device according to claim 1 according to underbalance effect, it is characterized in that:The end cap
(6)Classification chamber is connected to by bolt and nut(5)Upper port, in end cap(6)Outer surface is mounted with one by bolt and nut
Clip(11)For fixing taper chimney filter(12)Portlet.
6. the filtering type powder classification device according to claim 1 according to underbalance effect, it is characterized in that:Powder collecting box
Including being welded on rack(1)On babinet and the pumping block in embedded cabinet wall groove(10), and window is provided in babinet side,
One block of transparent glass is installed(9), situation is collected for observing powder.
7. the filtering type powder classification device according to claim 1 according to underbalance effect, it is characterized in that:The exhaust fan
(2)6 are shared, 4 are arranged symmetrically in the surroundings being classified below chamber, 2 both sides being arranged symmetrically in below annular seal space, and pass through
Bolt and nut is connected to rack(1)On.
8. a kind of filtering type particle classifying method according to underbalance effect, it is characterized in that:Using underbalance effect, bernoulli principle with
And taper chimney filter(12)Filtration, and pass through and control taper chimney filter(12)The speed and pressure of interior air-flow make fine powder maximum
That changes filters out, so as to fulfill classification.
9. the filtering type particle classifying method according to claim 8 according to underbalance effect, it is characterized in that:The first step, will
Take out block(10)It is inserted into the groove of powder collection tank inner wall, blocks gas access, allow exhaust fan(2)It first works a period of time,
Make classification chamber(5)With annular seal space(7)It is interior to form certain negative pressure;The air for being loaded with material powder is passed through taper filter by second step
Pipe(12), by changing taper chimney filter(12)The speed and pressure of interior air-flow, make fine powder filter out maximization, and the fine powder filtered out enters
It is classified chamber(5)It is interior, in gravity and classification chamber(5)Lower exhaust fan(2)Swabbing action under, fall into fines collection case, do not filter out
Coarse powder is in annular seal space(5)Lower exhaust fan(2)Swabbing action under enter annular seal space(7), and fall into coarse powder collecting box;Third walks,
Powder collecting amount is observed by visualization window, to stopping the charging of material powder during rated capacity, and allow exhaust fan(2)Continue work
Make a period of time, powder remaining in pipeline is sucked out, turns off exhaust fan(2);Block is taken out in 4th step, extraction(10), collect powder
Body, and cleaning device.
10. the filtering type particle classifying method of foundation underbalance effect according to claim 8 or claim 9, it is characterized in that:By more
Change the taper chimney filter of different meshes(12), may filter that out the fine powder of different grain size grade.
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CN201711238753.6A CN108126898A (en) | 2017-11-30 | 2017-11-30 | A kind of filtering type powder classification device and stage division according to underbalance effect |
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CN201711238753.6A CN108126898A (en) | 2017-11-30 | 2017-11-30 | A kind of filtering type powder classification device and stage division according to underbalance effect |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1196407A (en) * | 1997-04-08 | 1998-10-21 | 里特机械公司 | Intermediate storage means |
JP2000344348A (en) * | 1999-06-03 | 2000-12-12 | Matsui Mfg Co | Powdery and granular material capturing device |
US20020099343A1 (en) * | 2001-01-23 | 2002-07-25 | Teddy Garcia | Suction device for removing material from skin pores |
CN1598100A (en) * | 2003-09-18 | 2005-03-23 | 里特机械公司 | Textile machine comprising a dust suction device |
CN102038464A (en) * | 2009-10-09 | 2011-05-04 | 宝田国际有限公司 | Improved cyclonic chamber for air filtration devices |
CN102671966A (en) * | 2012-05-04 | 2012-09-19 | 中冶南方工程技术有限公司 | Active air flow filed control type double-rack mill panel cleaning method |
CN102716607A (en) * | 2012-06-11 | 2012-10-10 | 大连葆光节能空调设备厂 | Raw sewage hair filter |
CN204134437U (en) * | 2014-09-25 | 2015-02-04 | 黄河科技学院 | A kind of metallic particles dust arrester |
-
2017
- 2017-11-30 CN CN201711238753.6A patent/CN108126898A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1196407A (en) * | 1997-04-08 | 1998-10-21 | 里特机械公司 | Intermediate storage means |
JP2000344348A (en) * | 1999-06-03 | 2000-12-12 | Matsui Mfg Co | Powdery and granular material capturing device |
US20020099343A1 (en) * | 2001-01-23 | 2002-07-25 | Teddy Garcia | Suction device for removing material from skin pores |
CN1598100A (en) * | 2003-09-18 | 2005-03-23 | 里特机械公司 | Textile machine comprising a dust suction device |
CN102038464A (en) * | 2009-10-09 | 2011-05-04 | 宝田国际有限公司 | Improved cyclonic chamber for air filtration devices |
CN102671966A (en) * | 2012-05-04 | 2012-09-19 | 中冶南方工程技术有限公司 | Active air flow filed control type double-rack mill panel cleaning method |
CN102716607A (en) * | 2012-06-11 | 2012-10-10 | 大连葆光节能空调设备厂 | Raw sewage hair filter |
CN204134437U (en) * | 2014-09-25 | 2015-02-04 | 黄河科技学院 | A kind of metallic particles dust arrester |
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