CN205360938U - Pneumatic whirl combination defogging device - Google Patents
Pneumatic whirl combination defogging device Download PDFInfo
- Publication number
- CN205360938U CN205360938U CN201620010927.8U CN201620010927U CN205360938U CN 205360938 U CN205360938 U CN 205360938U CN 201620010927 U CN201620010927 U CN 201620010927U CN 205360938 U CN205360938 U CN 205360938U
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- China
- Prior art keywords
- air swirl
- combination
- utility
- model
- cartridge filter
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000006477 desulfuration reaction Methods 0.000 abstract description 6
- 230000023556 desulfurization Effects 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 16
- 238000010521 absorption reaction Methods 0.000 description 15
- 239000003546 flue gas Substances 0.000 description 15
- 239000003595 mist Substances 0.000 description 14
- 239000000428 dust Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 9
- 238000005453 pelletization Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 238000004581 coalescence Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241000605008 Spirillum Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Separating Particles In Gases By Inertia (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model provides a pneumatic whirl combination defogging device, belongs to desulfurization technical field. Pneumatic whirl combination defogging device includes the individual parallelly connected pneumatic whirl defogging unit of installing of N, goes up shrouding and lower shrouding, is in the same place with lower shrouding looks sealing connection through last shrouding respectively with the top in the bottom between each pneumatic whirl defogging unit, and N is for being greater than or equaling 1 integer, and every pneumatic whirl defogging unit includes the cartridge filter. The utility model provides a pneumatic whirl combination defogging device has increased gas -liquid separation's degree, reduce defroster export droplet concentration, the loss of water has been reduced, avoided the harmful substance in the liquid drop to cause the secondary pollution of air, the secondary of liquid drop carries greatly reduced, high removal efficiency.
Description
Technical field
This utility model relates to a kind of air swirl combination demister, belongs to technical field of desulfurization.
Background technology
In flue gas desulfurization technique, desulfurization technology in a wet process is most widely used.Its nucleus equipment is absorption tower, the flue gas after absorption tower is washed, and can be entrained with substantial amounts of drop, with fume emission.The particulate matter simultaneously dissolved in drop and suspend also can together enter air, causes the secondary pollution of air.
In order to reduce the discharge of drop in flue gas, prior art means are to install demister additional at top, absorption tower.Existing demister is in the majority with flap form, and it is better except fog effect, but in low operating load time, owing to flue gas flow rate is excessively slow, the work efficiency of chevron mist eliminator sharply declines, and therefore cannot meet existing environmental requirement.
For overcoming above-mentioned technical problem, prior art provides a kind of multiple tube screwed except mist dust pelletizing system, as illustrated in fig. 1 and 2.High-efficient multi-pipe spiral includes shell 1 except mist dust pelletizing system, it is uniformly arranged multiple fixed support 2 in the enclosure vertically, be distributed in enclosure and vertical be arranged between two fixed supports by several tubular helical except mist cleaner unit constitute except mist dedusting assembly 3, be arranged on the rinse-system 4 on fixed support.Each tubular helical removes outer cylinder 5, the helical axis 6 that mist cleaner unit includes being arranged on fixed support, is positioned at outer cylinder the helical blade 7 being arranged on helical axis, described helical blade is provided with several radial holes a.nullMultiple tube screwed except the operation principle of mist dust pelletizing system is: the flue gas containing desulfurization slurry and dust enters from except mist dedusting assembly bottom，Guide functions due to helical blade，Flue gas constantly changes flow direction in flow at high speed process，Helically rise，Serosity in flue gas clashes into mutually probability and significantly increases，Coalescence is conducive to become big granularity serosity，The bulky grain serosity formed is got rid of outside cylinder inner wall by centrifugal action，Outer cylinder moisture film is formed at inwall，Acted on helical blade surface by inertia force simultaneously and also form moisture film，Moisture film further absorbs dust in the serosity constantly clashed into，Slurry pool is flowed into along inwall and spirillum surface，Peripherally disposed on helical blade have radial hole，These holes form moisture film，Flue gas is in uphill process，A part of dust and serosity will certainly impact moisture film hole，And be blocked in moisture film hole、Absorb，Then next moisture film is formed，Go round and begin again，Complete efficiently except mist dedusting function.It addition, the radial hole arranged on the blade of helical blade, produce turbulent flow by the axial flow of this some holes with spiral air flow, be suitable for the coalescence promoting the fine particulates such as drop, dust, be also beneficial to improve dedusting demisting efficiency.But, this multiple tube screwed provided in prior art except mist dust pelletizing system, dust in the serosity that the moisture film formed at inwall constantly clashes into, it is easy to cause the outer cylinder 5 except mist dust pelletizing system and helical blade 7 to bond, thus causing blocking, can not meet the service requirement of long-term stability.
Summary of the invention
For overcoming the technical problem existed in prior art, goal of the invention of the present utility model is to provide a kind of air swirl combination demister, is not easily blocked, it is possible to long-term stable operation.
For realizing described goal of the invention, this utility model provides a kind of air swirl combination demister, it includes N number of air swirl demisting unit, upper sealing plate and lower shrouding being installed in parallel, bottom between each air swirl demisting unit is sealed connected together with lower shrouding respectively through upper sealing plate mutually with top, described N is the integer more than or equal to 1, it is characterized in that, each air swirl demisting unit includes cartridge filter.
Preferably, described cartridge filter includes inner core, and the wall of described inner core is provided with multiple through hole, and is circumferentially provided with multiple downward-sloping first gear water ring along the outer wall of inner core.
Preferably, described cartridge filter also includes urceolus, and the inwall of described urceolus is circumferentially arranged multiple downward-sloping second gear water ring.
Preferably, first gear water ring and second gear water ring are crisscross arranged.
Preferably, described air swirl demisting unit also includes cyclone, and described cyclone and cartridge filter are coaxially arranged alternately.
Compared with prior art, the air swirl combination demister that this utility model provides, it can long-term stable operation.
Accompanying drawing explanation
Fig. 1 is the structural representation that the multiple tube screwed that prior art provides removes mist dust pelletizing system；
Fig. 2 is the axial sectional diagrammatical view illustration that the multiple tube screwed that prior art provides removes mist dust pelletizing system；
The schematic cross-section on the absorption tower that Fig. 3 provides for this utility model；
Fig. 4 is the structural representation of the air swirl combination demister that this utility model provides；
Fig. 5 is the schematic top view of the air swirl combination demister that this utility model provides；
The structural representation of the air swirl demisting unit that Fig. 6 provides for this utility model；
The air swirl demisting unit that Fig. 7 provides for this utility model schematic top view；
Fig. 8 is the composition schematic diagram of the cyclone that this utility model provides.
Detailed description of the invention
This utility model is described in detail below in conjunction with accompanying drawing.
The schematic cross-section on the absorption tower that Fig. 3 provides for this utility model.nullAs shown in Figure 3，The absorption tower that this utility model provides includes absorption tower body 102、Store slurry pool 107、Cyclonic arrangement 105、Absorbent circulated sprinkling pipeline 104、Air swirl combination demister 103、Smoke inlet 106 and exhanst gas outlet 101，The top of described absorption tower body 102 and absorption tower originally arrange exhanst gas outlet 101 internal being connected，The middle and lower part of described absorption tower body 102 and absorption tower originally arrange smoke inlet 106 internal being connected，It is coaxially provided with storage slurry pool 107 with absorption tower body 102 bottom absorption tower body 102 below described smoke inlet 106，It is disposed with cyclonic arrangement 105 along airflow direction between smoke inlet 106 and exhanst gas outlet 101、Absorbent circulated sprinkling pipeline 104 and air swirl combination demister 103.
Fig. 4 is the structural representation of the air swirl combination demister that this utility model provides, Fig. 5 is the schematic top view of the air swirl combination demister that this utility model provides, as illustrated in figures 4-5, the air swirl combination demister that this utility model provides includes N number of air swirl demisting unit 203 being installed in parallel, upper sealing plate 202 and lower shrouding 204, upper sealing plate 202 and lower shrouding 204 are respectively symmetrically and are provided with N number of circular hole, the bottom of each air swirl demisting unit and top are individually fixed in the circular hole of corresponding upper sealing plate and lower shrouding, thus being sealingly coupled together mutually, described N is the integer more than or equal to 1.
The structural representation of the air swirl demisting unit that Fig. 6 provides for this utility model；The schematic top view of the air swirl demisting unit that Fig. 7 provides for this utility model, as shown in fig. 6-7, the air swirl demisting unit that this utility model provides includes M cartridge filter 205 and M cyclone 206, M cartridge filter 205 and M cyclone 206 replace and coaxially connected, wherein, cartridge filter includes inner core 207 and urceolus 208, and inner core 207 is provided with multiple through hole, and has multiple downward-sloping first gear water ring 209 along the outer wall of inner core is circumferentially arranged.The inwall of urceolus 208 is circumferentially arranged multiple downward-sloping second gear water ring 210.Multiple downward-sloping first gear water ring 209 first gear water rings and multiple downward-sloping second gear water ring 210 are crisscross arranged, and form water stream channel.nullProcessed flue gas flows into air swirl demisting unit from bottom to top，Through cyclone 206 eddy flow，In cyclone, flue gas forms spinning updraft，The drop centrifugal force in flue gas is made to increase，Drop moves to cartridge filter 205 barrel direction under the influence of centrifugal force，Then gas passes through filter cylinder，Major part drop can arrive cartridge filter under the influence of centrifugal force，The space between inner core 207 and urceolus 208 is entered by cartridge filter barrel，Successively along the upper surface of first gear water ring 209、The upper surface of second gear water ring 210、The gap formed between first gear water ring 209 and second gear water ring 210 is along the gap between inner core and urceolus to dirty，Thus having reached to reduce the effect of demister outlet droplet concentration，Decrease the loss of water simultaneously，It also avoid the harmful substance in drop and cause the secondary pollution of air.
The air swirl demisting unit cartridge filter at top that this utility model provides is provided with annular cartridge filter flange 214, cartridge filter flange 214 can stop flue gas to carry away the drop caught, it is to avoid the secondary droplets of drop, it is ensured that the removal efficiency of drop.
Air swirl demisting unit also includes flusher, and described flusher includes wash tub pipe 211 and nozzle 212.This flusher is divided into upper and lower two parts to form, and rinses the cartridge filter being in diverse location respectively；Upper flushing unit rinses top filtration cylinder；Lower flushing unit rinses all the other all of cartridge filters.
Fig. 8 is the composition schematic diagram of the cyclone that this utility model provides, and as shown in Figure 8, the cyclone that this utility model provides includes: swirl vane axle 113, multiple swirl vane 112 and urceolus 114, wherein, swirl vane axle 113 is arranged on the central shaft of urceolus 114；Swirl vane 112 is the blade shape of plane or curved surface, and it is rectangle or sector along the axis projection on absorption tower.Swirl vane axle 113 is cylindrical structural.Multiple swirl vanes 112 are radially vertically mounted on swirl vane axle 113 according to a fixed angle of altitude, and are arranged in the annular chamber of swirl vane axle 113 and the formation of urceolus 114 inwall.The quantity of swirl vane 112 and angle of inclination are adjusted according to parameters such as exhaust gas volumn, dedusting demisting efficiency.
In the device that this utility model air swirl is independent after can being installed on flue gas desulfurization device absorptive tower in use except mist combination unit or be arranged on absorption tower or in the reaction unit of independent deentrainment tower or similar functions, flue gas flows from bottom to top, this device is applied in the middle of the equipment of wet process of FGD, and effect is free state drop contained in the flue gas after elimination wet process of FGD.
Advantage of the present utility model and having the benefit effect that
1, make use of the principle of centrifugal force separate, the centrifugal force of drop by cyclone is increased under the effect of cyclone, under the effect of bigger centrifugal force, droplet collision is at cartridge filter, enter between inner core and urceolus by the mesh of the inner core of cartridge filter, flow down along the space between inner core and urceolus under the effect of self gravitation；This equipment also increases the degree of gas-liquid separation simultaneously；The drop making particle diameter less is also captured, thus having reached to reduce the effect of demister outlet droplet concentration, decreasing the loss of water simultaneously, it also avoid the harmful substance in drop and cause the secondary pollution of air, and it can long-term stable operation；
2, owing to employing drip ring structure so that the drop being captured is in a relatively airtight space, and makes the secondary droplets of drop be substantially reduced under the effect of top closure plate, thus ensure that the removal efficiency of equipment；
3, this utility model device adopts upper and lower two parts to rinse, and adjusts and rinses frequency and can reduce the loss of flushing water, reduces upper partial flushing frequency simultaneously, can reduce equipment drop of secondary droplets in flue gas when rinsing further；
4, this utility model can be installed the cyclone number of plies according to practical situation and need the number of equipment to be mounted.
The foregoing describe ultimate principle of the present utility model, principal character and advantage of the present utility model.Skilled person will appreciate that; this utility model is not restricted to the described embodiments; described in above-described embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope, this utility model also has various changes and modifications, and these changes and improvements both fall within the scope of claimed this utility model.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (5)
1. an air swirl combination demister, it includes N number of air swirl demisting unit, upper sealing plate and lower shrouding being installed in parallel, bottom between each air swirl demisting unit is sealed connected together with lower shrouding respectively through upper sealing plate mutually with top, described N is the integer more than or equal to 1, it is characterized in that, each air swirl demisting unit includes cartridge filter.
2. air swirl according to claim 1 combination demister, it is characterised in that described cartridge filter includes inner core, and the wall of described inner core is provided with multiple through hole, and it is circumferentially provided with multiple downward-sloping first gear water ring along the outer wall of inner core.
3. air swirl according to claim 2 combination demister, it is characterised in that described cartridge filter also includes urceolus, and the inwall of described urceolus is circumferentially arranged multiple downward-sloping second gear water ring.
4. air swirl according to claim 3 combination demister, it is characterised in that first gear water ring and second gear water ring are crisscross arranged.
5. air swirl according to claim 4 combination demister, it is characterised in that described air swirl demisting unit also includes cyclone, and described cyclone and cartridge filter are coaxially arranged alternately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620010927.8U CN205360938U (en) | 2016-01-07 | 2016-01-07 | Pneumatic whirl combination defogging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620010927.8U CN205360938U (en) | 2016-01-07 | 2016-01-07 | Pneumatic whirl combination defogging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205360938U true CN205360938U (en) | 2016-07-06 |
Family
ID=56276092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620010927.8U Active CN205360938U (en) | 2016-01-07 | 2016-01-07 | Pneumatic whirl combination defogging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205360938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597472A (en) * | 2016-01-07 | 2016-05-25 | 航天环境工程有限公司 | Pneumatic cyclone combined demisting device |
-
2016
- 2016-01-07 CN CN201620010927.8U patent/CN205360938U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597472A (en) * | 2016-01-07 | 2016-05-25 | 航天环境工程有限公司 | Pneumatic cyclone combined demisting device |
| CN105597472B (en) * | 2016-01-07 | 2019-10-08 | 航天环境工程有限公司 | A kind of air swirl combination demister |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| IP01 | Partial invalidation of patent right |
Commission number: 5W112378 Conclusion of examination: On the basis of the claim 1-3 amended by the patented owner, the patent No. 201620010927.8 utility model shall continue to be effective. Decision date of declaring invalidation: 20170825 Decision number of declaring invalidation: 33158 Denomination of utility model: Pneumatic cyclone combined demisting device Granted publication date: 20160706 Patentee: AEROSPACE ENVIRONMENTAL ENGINEERING Co.,Ltd. |
|
| IP01 | Partial invalidation of patent right |