CN209188320U - Axial-flow type dust-extraction unit - Google Patents
Axial-flow type dust-extraction unit Download PDFInfo
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- CN209188320U CN209188320U CN201821598661.9U CN201821598661U CN209188320U CN 209188320 U CN209188320 U CN 209188320U CN 201821598661 U CN201821598661 U CN 201821598661U CN 209188320 U CN209188320 U CN 209188320U
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- Prior art keywords
- bar
- dust
- storage chamber
- dust storage
- bend pipe
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- 238000000605 extraction Methods 0.000 title claims abstract description 13
- 239000000428 dust Substances 0.000 claims abstract description 47
- 238000000926 separation method Methods 0.000 claims abstract description 26
- 238000003860 storage Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 15
- 239000007787 solid Substances 0.000 abstract description 6
- 238000011044 inertial separation Methods 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000001914 filtration Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Cyclones (AREA)
Abstract
The utility model discloses a kind of axial-flow type dust-extraction units, belong to gas solid separation field.Novel axial flow type dust-extraction unit adds ripple bend pipe, first vane piece, dust storage chamber and angle demodulator in input end；Outlet end is provided with exhaust pipe and dust storage chamber；Dust storage chamber ash discharging hole adds non-return valve.Dust-contained airflow occurs tentatively to play rotation after first vane piece, and in ripple pipe bent position since inertial separation goes out the bulky grains such as sandstone, stalk, into after cyclone separation, fine solid particle is separated under strong centrifugal action.Sandstone, stalk and the dust isolated flow through dust storage chamber, non-return valve, separator are flowed out, to realize silo dedusting.The utility model increases the inertial separation ability of pipe bent position, and the separation of air-flow and grain dust can be realized in the case where paying lesser energy loss, conventional separating apparatus problem poor for applicability is made up, improves the separative efficiency of silo dust.
Description
Technical field
The utility model belongs to gas solid separation field, is related to a kind of axial-flow type dust-extraction unit.
Background technique
In grain system, inside grain conveying equipment, inside grain warehouse body and the enclosure spaces such as basement, it is easy aggregation
A large amount of dust.The aggregation of dust is easy to the generation to cause an explosion accident, and therefore, it is necessary to remove the dust assembled in silo in time
The generation prevented accident.Stringent cleaning is not carried out before most of conveying grain into storehouse, all too many levels of processing fall off out sand,
Chad and stalk etc., so, grain dust has the characteristics that multicomponent, particle size distribution range are wide, easily assemble.In short, Grain Powder
The separation of dirt is an extremely difficult thing.
Existing dust separation method, which generallys use, to be separated by filtration and two methods of cyclonic separation.In general, being separated by filtration skill
Art is difficult to efficiently separate the grain dust in gas to the more demanding of filtering material.To thin when filtering material hole is larger
The treatment effect of micro dust is bad.When filtering material hole is smaller, flow resistance is larger, and strainer is easy blocking, needs periodically more
Change filtering material.Cyclone separation method realizes separation by the centrifugal force of air-flow, is broadly divided into reverse-flow and two class of axial-flow type.It is inverse
Flow-type separator has the advantages that separative efficiency is high.Patent CN201310403556.0 discloses a kind of for coal-fired plant boiler
The pulverized-coal collector of bin system, but that there are flow resistances is big, energy consumption is high, volume is big, takes up a large area for similar device
The shortcomings that.The advantage that turbo separator has flow resistance small, small in size.Patent CN201210539888.7 discloses one kind
Blade-carrying dust-extraction unit, but all in the presence of being difficult to, induced draft is fully rotatable similar device, the process range of partial size is narrow, separation
The shortcomings that low efficiency.The above problem, which is all limited, brings difficulty to grain dust separation.
Therefore, for the work characteristics of grain system, reasonable gas-solid separating device is designed, for solving grain dust
Rendezvous problem reduces dust explosion hidden danger, and grain system safe operation is maintained to be of great significance.
Utility model content
Technology to be solved in the utility model is to provide that a kind of flow resistance is small, separative efficiency is high, partial size process range is wide
Axial flow cyclones and the separator application method.The utility model provides a kind of novel cyclone separation method,
To overcome the problems, such as that existing separator exists.It can be effectively improved in the case where not increasing occupied area using the utility model
Separative efficiency reduces separator pressure loss, reduces the energy consumption and use cost of separator.
A kind of axial-flow type dust-extraction unit, it is characterised in that: including ripple bend pipe, straight tube, exhaust pipe；Wherein ripple bend pipe
First end installs primary blades, and the second end of ripple bend pipe is connected with the first end of straight tube, and deflection cone, water conservancy diversion are installed among straight tube
Cone is equipped with whirlwind blades；The exhaust pipe protrudes into straight tube from the second end of straight tube；(second end end is outside exhaust pipe for straight tube
The part of side seals；Above-mentioned ripple bend pipe bent intermediate protruding parts install the first dust storage chamber, the first dust storage chamber and ripple bend pipe
It is connected, the first gas collection indoor location separation baffles；The outlet of first dust storage chamber is also equipped with non-return valve；Outside above-mentioned exhaust pipe
(space surrounded between inner wall is the second dust storage chamber, and the outlet of the second dust storage chamber is also equipped with non-return valve for wall and straight tube.
The dust removal method of the axial-flow type dust-extraction unit, it is characterised in that including following procedure: dust-contained airflow passes through this
Gas solid separation process twice occurs when dust-extraction unit.Primary blades induced draft rise rotation, the bulky grains such as chad, stalk due to by
Centrifugal force it is larger, be gradually thrown to from wall surface from air-flow, dust-contained airflow moves to ripple pipe bent position, and the bulky grains such as chad are by
The separation baffles capture of one dust storage chamber installation, due to the effect of gravity, striking the particle in separation baffles, to be deposited to dust discharge logical
Road flows through the first dust storage chamber, is discharged from non-return valve, and fine particle is since followability preferably fails to be sufficiently separated at this time, and the
First separation process terminates.Air-flow containing fine dusts flows subsequently through straight tube, and whirlwind blades and deflection cone make air-flow
Accelerate and generate biggish tangential velocity effect, the intensity of centrifugal force field greatly increases, and the tiny grains of sand and grain are got rid of
To outer wall, the second dust storage chamber surrounded between the outer wall of exhaust pipe and the inner wall of straight tube is discharged to dust collection, and from non-return valve,
Clean gas is discharged from exhaust pipe, and second of separation process terminates.First time separation process separates the bulky grains such as stone sand
Out, second of separation process makes fine particle be separated, and dust removal process complementation twice combines, to the sky of grain system
Gas is sufficiently filtered, and then obtains clean, clean air.
The separative efficiency of conventional separating apparatus is limited by grain diameter, is imitated for single particle size with stronger separation
Rate, separative efficiency reduces when particle for separating other partial sizes；And often occurs channelling back-mixing in use process.This is practical
It is novel by addition ripple bend pipe and primary blades, take full advantage of different-grain diameter with the difference of particle air-flow follow-up capability, increase
Add separator to the separating capacity of gravel, stalk and bulky grain, reduces the design requirement of whirlwind blades, the ripple of front
Bend pipe and primary blades are used to handle large-size particles, guarantee that whirlwind blades can have higher separation to the particle of small particle
Efficiency.The utility model installs non-return valve additional in the ash discharging hole of the first dust storage chamber and the second dust storage chamber, guarantees the unidirectional of air-flow
Circulation prevents the air-flow occurred when work from flowing backwards, and channelling back-mixing occurs after preventing particle from flowing out separator and again returns to point
From in device.The present apparatus improves separator to the trapping ability of particle, enhances air-flow to large dust particles such as stalk, sandstones
Separating capacity, the shortcomings that reducing the design difficulty of whirlwind blades, compensate for the narrow application range of conventional separating apparatus.
The axial-flow type dust-extraction unit, it is characterised in that: above-mentioned ripple bend pipe is also equipped with camber adjusters.
Above-mentioned camber adjusters are made of the first bar, the second bar, third bar, and a column card slot is provided on above-mentioned first bar,
A sliding slot is provided on second bar；The first end of first bar is connected with the first end of ripple bend pipe, the second end of the first bar and
The first end of second bar is hinged, and the second end of the second bar is connected with the first dust storage chamber；In the first end of third bar and the first bar
Card slot cooperation, the second end of third bar matched with the sliding slot of the second bar by adjusting slider.
The present apparatus and the axial-flow type particle separator that silo dedusting can be can be applied to, in addition to for filtering grain-production
In dust, it may also be used for bulky grain and tiny in dusty gas is realized in the dedusting in building materials, chemical industry, boiler, metallurgy, mine etc.
The common separation of particle.
Detailed description of the invention
Fig. 1 is the principles of the present invention figure；
Fig. 2 is the outline drawing of the utility model；
Fig. 3 is other views of the utility model, and figure a) shows that inner cyclone, figure b) are top view, and figure c) is
Main view, figure d) are bottom view；
Fig. 4 is the ripple bend pipe and angle demodulator installation diagram of the utility model；
Fig. 5 is the non-return valve that the utility model uses；
Fig. 6 is the angle demodulator that the utility model uses.
Figure label title: 1. whirlwind blades, 2. deflection cones, 3. ripple bend pipes, 4. first dust storage chambers, 5. separate gear
Plate, 6. primary blades, 7. second dust storage chambers, 8. exhaust pipes, 9. non-return valves, 10. angle demodulators, wherein the first bar of 10-1.,
The second bar of 10-2., 10-3. third bar, 10-4 adjusting slider, 10-5 fastening bolt, 11. straight tubes.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, 1-6 with reference to the accompanying drawing
The utility model is described in further detail.
The utility model mainly includes ripple bend pipe 3, primary blades 6, dust storage chamber 4, non-return valve 9 and angle demodulator
10, angular adjustment angle 10 adjusts the intensity of inertial separation for changing the bending angle of ripple bend pipe 3, in the first dust storage chamber 4
The separation baffles 5 for capturing the chad, stalk separated are set.Air-flow is after bend pipe isolates bulky grain, into centrifugation point
From area, strong centrifugal force is generated at whirlwind blades 1 and deflection cone 2, so that fine solid particle is separated, that separates is thin
Micro dust is discharged at the second dust storage chamber (7), final to realize grain system dust removing effects.The above is only the utility model
Implement example, it is noted that those of ordinary skill in the art, in the base for not departing from the utility model technical principle
The improvement and deformation made on plinth still falls within the protection scope of the utility model.
As shown, separator import ripple bend pipe is made of corrugated stainless steel tubing or leather hose, in order to change
The angle of entrance region and cyclone separation adjusts the inertial separation intensity of pipe bent position.The second end and the second bar of third bar 10-3
The sliding slot tie point of 10-2 is connected by screw bolts, in the card slot middle position of the first bar 10-1 and the centre of the second bar 10-2 sliding slot
Position indicates center groove, and the fastening bolt of hinge joint is tightened when adjusting angle, guarantees that the hinge joint is fixed, unscrews adjusting
Fastening bolt in sliding block 10-4 sliding slot, when the second bar 10-2 and third bar 10-3 hinge joint are located in the second bar 10-2 sliding slot
When heart position, curved angle mobile adjusting slider 10-4: adjusting slider 10-4 and the first bar 10-1 are needed according to ripple bend pipe
The center groove of card slot is aligned, then the angle of the first bar 10-1 and the second bar 10-2 are right angle；Adjusting slider 10-4 is from the first bar
When the central location of 10-1 card slot is moved toward the first bar 10-1 and the second bar 10-2 hinged joint, the first bar 10-1 and the second bar 10-2
Angle be obtuse angle；When left end of the adjusting slider 10-4 from the central location of the first bar 10-1 card slot toward 10-1 is mobile, the first bar
The angle of 10-1 and the second bar 10-2 are acute angle.It in actual use, can also be by the center of adjusting slider 10-4 and the first bar 10-1
Groove alignment, the fastening bolt of mobile second bar 10-2 and third bar 10-3: when fastening bolt is located at the center of the second bar 10-2
When at scribe line position, the angle of the first bar 10-1 and the second bar 10-2 are right angle；Fastening bolt is from center groove toward the first bar 10-
For 1 prescription to when sliding, the angle of the first bar 10-1 and the second bar 10-2 are obtuse angle, and fastening bolt is from center groove toward sliding slot outside
When mobile, the angle of the first bar 10-1 and the second bar 10-2 are acute angle.
Claims (3)
1. a kind of axial-flow type dust-extraction unit, it is characterised in that:
Including ripple bend pipe (3), straight tube (11), exhaust pipe (8)；
Wherein the first end of ripple bend pipe (3) installs primary blades (6), and the of the second end of ripple bend pipe (3) and straight tube (11)
One end is connected, and installs deflection cone (2) among straight tube, and deflection cone (2) is equipped with whirlwind blades (1)；The exhaust pipe (8) is from straight
The second end of pipe (11) protrudes into straight tube (11)；Part sealing of straight tube (11) the second end end on the outside of exhaust pipe (8)；
Above-mentioned ripple bend pipe (3) bent intermediate protruding parts install the first dust storage chamber (4), the first dust storage chamber (4) and ripple bend pipe
(3) it is connected, the first gas collection indoor location separation baffles (5)；The outlet of first dust storage chamber (4) is also equipped with non-return valve；
The space surrounded between the outer wall of above-mentioned exhaust pipe (8) and the inner wall of straight tube (11) is the second dust storage chamber (7), the second dust
The outlet of room (7) is also equipped with non-return valve.
2. axial-flow type dust-extraction unit according to claim 1, it is characterised in that: above-mentioned ripple bend pipe (3) is also equipped with curved
It spends adjuster (10).
3. axial-flow type dust-extraction unit according to claim 2, it is characterised in that:
Above-mentioned camber adjusters (10) are made of the first bar (10-1), the second bar (10-2), third bar (10-3), above-mentioned first bar
It is provided with a column card slot on (10-1), a sliding slot is provided on the second bar (10-2)；
The first end of first bar is connected with the first end of ripple bend pipe (3), the second end of the first bar (10-1) and the second bar (10-
2) first end is hinged, and the second end of the second bar (10-2) is connected with the first dust storage chamber (4)；
The first end of third bar (10-3) and the card slot on the first bar (10-1) cooperate, the second end and second of third bar (10-3)
The sliding slot of bar (10-2) overregulates sliding block (10-4) and matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821598661.9U CN209188320U (en) | 2018-09-29 | 2018-09-29 | Axial-flow type dust-extraction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821598661.9U CN209188320U (en) | 2018-09-29 | 2018-09-29 | Axial-flow type dust-extraction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209188320U true CN209188320U (en) | 2019-08-02 |
Family
ID=67407007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821598661.9U Withdrawn - After Issue CN209188320U (en) | 2018-09-29 | 2018-09-29 | Axial-flow type dust-extraction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209188320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109224644A (en) * | 2018-09-29 | 2019-01-18 | 南京航空航天大学 | Axial-flow type dust-extraction unit and method |
-
2018
- 2018-09-29 CN CN201821598661.9U patent/CN209188320U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109224644A (en) * | 2018-09-29 | 2019-01-18 | 南京航空航天大学 | Axial-flow type dust-extraction unit and method |
| CN109224644B (en) * | 2018-09-29 | 2024-03-29 | 南京航空航天大学 | Axial flow type dust removing device and method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190802 Effective date of abandoning: 20240329 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190802 Effective date of abandoning: 20240329 |