CN206642511U - Differential submersible gas wash tower - Google Patents
Differential submersible gas wash tower Download PDFInfo
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- CN206642511U CN206642511U CN201720118212.9U CN201720118212U CN206642511U CN 206642511 U CN206642511 U CN 206642511U CN 201720118212 U CN201720118212 U CN 201720118212U CN 206642511 U CN206642511 U CN 206642511U
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- catch basin
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Abstract
The utility model discloses a kind of differential submersible gas wash tower to include housing structure 1, air intake differential aerating system 2, air-out dewatering unit 3, water circulation cleaning system 4, and housing structure 1 includes the vertically disposed catch basin 11 of multilayer, gas collection area 12, access hole 13, top cylinder 14；Air intake differential aerating system 2 includes total blast pipe 21, divides blast pipe 221, fixed aeration board 23, movable differential perforated plate 24, blast pipe 22 is divided to be made up of straight tube 221, elbow 222 and bottom oblique cone 223, aeration board 23 is in the bottom of oblique cone 223, and differential perforated plate 24 is between the water surface of catch basin 11 and aeration board 23；Air-out dewatering unit 3 includes the exhaust passage 31 outside tower body, the dehydration demister 32 of tower top；Water circulation cleaning system 4 includes flooding nozzle 41, water inlet pipe 42, guiding gutter 43, blowdown control valve 44, blow-off pipe 45, clarifier-tank, water circulating pump, absorbent.
Description
Technical field
The present invention relates to a kind of dedusting dehydration technique field, especially efficiently can carry out dedusting to various dusty gases and take off
The differential submersible gas wash tower of water.
Background technology
Absorption is to purify the most frequently used method of gaseous contaminant.Absorption process is defined as：At appropriate liquid-absorbant
Waste gas is managed, the gaseous contaminant in waste gas is dissolved into absorbing liquid or is chemically reacted with certain active component in absorbing liquid
And enter liquid phase, the method for so making gaseous contaminant be separated from waste gas；In other words, using absorbent by mixed gas
Middle one or several kinds of components（Absorbent）Selectively the process of absorption and separation, which is referred to as, absorbs.Absorption equipment is mostly that gas phase contact is inhaled
Device is received, is mainly had：Surface-type absorber, material filling type absorber, bubbling absorber, liquid-spraying type absorber, impingement dust collector,
Sieve-board type absorption tower, drying wheel absorption chamber, composite absorption tower etc..
Differential submersible dedusting is the technology that developed on the basis of bubbling absorber, impingement dust collector, by dust-laden
Gas enters gas-liquid two-phase under differential orifice plate by diving and fully contacted, and clearance is high.Its feature is；Treating capacity is smaller, pressure
Power loss is higher, purifying rate is high, heat-absorption properties are good.There is extensive prospect in the processing of small-sized dust-laden exhaust gas.
Chinese patent CN 2808273Y disclose a kind of " the de- equipment of turbine guided wave whirlpool differential submersible dust-removal and desulfurizing " by
Smoke exhaust pipe, smoke-intake pipe, upper lid, upper strata cylinder, lower floor's cylinder and to cone shape ash bucket form.Smoke-intake pipe internal upper part sprays equipped with supplying water
Shower pipe, turbine type guided wave vortexing mechanism and differential submersible structure ... ... are housed outside mouth under smoke-intake pipe in cylinder.Above-mentioned patent
There is the effective filtration area of differential submersible structure is smaller, processed in units air quantity volume is big, and the aperture of differential structrue is by office
Limit, when aperture is smaller, bubble external diameter can be reduced, increase the effective area that unit waste gas contacts with water, treatment effect is preferable.But
It is the smaller blocking for easily producing differential structrue in aperture.The aperture of each layer differential structrue is consistent, causes to increase windage.Air quantity increases
Added-time, gas column is resulted in, the effective area that waste gas contacts with water is further reduced, and influences treatment effect.Smoke-intake pipe internal upper part
Water supply shower effect is undesirable is pre-washed to waste gas, increase the complexity of structure, improve setup cost.
The content of the invention
It is random in order to overcome effective purification area of existing differential submersible dust pelletizing system deficiency, intake volume to set
Property, cause clean-up effect bad.Differential orifice plate easily blocks the deficiencies of causing equipment scrapping.The present invention provides a kind of differential submersible
Gas wash tower, the differential submersible gas wash tower not only purification efficiency highest, can meet strict discharge standard.Improve effectively purification face
Product, reduces setup cost, and operating cost is low, safe and reliable to operation.
The technical solution adopted for the present invention to solve the technical problems is：Differential submersible gas wash tower includes housing structure 1, entered
Wind differential aerating system 2, air-out dewatering unit 3, water circulation cleaning system 4, housing structure 1 include the vertically disposed water storage of multilayer
Groove 11, gas collection area 12, access hole 13, top cylinder 14；Air intake differential aerating system 2 include total blast pipe 21, divide blast pipe 22,
Fixed aeration board 23, movable differential perforated plate 24, divide blast pipe 22 by 223 groups of straight tube 221, elbow 222 and bottom oblique cone
Into aeration board 23 is in the bottom of oblique cone 223, and differential perforated plate 24 is between the water surface of catch basin 11 and aeration board 23；Air-out dehydration is single
Member 3 includes the exhaust passage 31 outside tower body, the dehydration demister 32 of tower top；Water circulation cleaning system 4 includes flooding nozzle 41, water inlet
Pipe 42, guiding gutter 43, blowdown control valve 44, blow-off pipe 45, clarifier-tank, water circulating pump, absorbent.
The bottom of catch basin 11 sets swash plate 111, and access hole 13 is arranged on gas collection area 12, and the top of gas collection area 12 passes through exhaust passage
31 import top cylinder 14；The bottom of orlop catch basin 11 is in back taper, and sewage passes through blow-off pipe through bottom blow-down control valve 44
45 enter clarifier-tank.
The aeration tank of aeration board 23 is the radial slotted hole of inner ring different length, and outer ring is the radial length of equalization setting
Circular hole, the aperture of outer ring slotted hole are more than the aperture of inner ring slotted hole, and aeration groove area is less than the 18% of the area of aeration board 23.If
The radial slotted hole technique of two circles is put, relatively sets the process efficiency of circular hole solarization air cap higher, is also beneficial to meet aeration board 23
Structural strength.Due to gas, flow velocity is higher in blast pipe 22 is divided, and the flow velocity close to the inner ring slotted hole of oblique cone 223 is higher, outside
The flow velocity for enclosing slotted hole relatively delays, and by the unhurried current of aeration board 23, radial slotted hole is uniformly distributed, and is advantageous to improve gas entrance
The aeration uniformity of differential perforated plate 24.
When differential perforated plate 24 is one layer of stainless steel perforated plate 241, stainless steel perforated plate 241 is on aeration board 23
30mm, stainless steel perforated plate 241 are 2~3mm of aperture, punching rate 25%.The speed that air-flow passes through the micropore of stainless steel perforated plate 241
Spend for 2.5~4m/s.To the punching rate of stainless steel perforated plate 241, air-flow by the limitation of micropore speed, be according to exhaust gas properties,
Dust removal requirement condition and it is fixed.And formulate the foundation of differential submersible gas wash tower product treatment air quantity standard.Stainless steel perforated plate
Too high punching rate and air velocity, it will cause to influence filter effect, too low punching rate and air velocity, wind handled by lowering
Amount.
When differential perforated plate 24 is set to two layers, on stainless steel perforated plate 241 20mm set up one layer of aperture≤
1.3mm, the stainless steel wire web plate 242 of punching rate 45.2~51%.When stainless steel cloth punching rate is 45.2~51%, air-flow passes through
The speed of stainless steel wire mesh is 1.225~2.21m/s.Successive reduces air-out aperture, can constantly reduce bubble volume, in succession will
Flue gas tiny bubble differential, flue gas is forced fully to be contacted with water, fully reaction, fully washing；Gas-liquid two-phase fully contacts, dust
Fully absorbed by water, improve clean-up effect.Aperture is smaller, is more easily blocked by dust, periodically will be movable by access hole
Stainless steel perforated plate 241, stainless steel wire web plate 242 take out cleaning, ensure filter efficiency.
Stainless steel wire web plate 242, the area of stainless steel perforated plate 241 are consistent, and the punching rate of stainless steel wire web plate 242 exceedes not
The punching rate of rust steel perforated plate 241, can reduce speed of the air-flow by stainless steel cloth.Because the aperture of stainless steel cloth is small,
Bubble more tiny, that the rate of climb is slower is formed between stainless steel wire web plate 242 and the water surface of catch basin 11, be dust removing effects more
Good differential submersible dedusting link.
The part stainless steel cloth specification selected according to dust granules, property.
| Sequence number | Mesh number | String diameter | Aperture | Percent opening |
| 1 | 14×14 | 0.584 | 1.22 | 45.2 |
| 2 | 14×14 | 0.508 | 1.30 | 51.0 |
| 3 | 16×16 | 0.457 | 1.13 | 50.7 |
| 4 | 18×18 | 0.432 | 0.98 | 48.3 |
| 6 | 20×20 | 0.406 | 0.86 | 46.2 |
Differential submersible gas wash tower air circulation depends on：Intake volume, air intake blast, the part of each component and along stroke pressure
Loss, drawdown of piezometric level.When differential submersible gas wash tower stable operation, the hole of stainless steel wire web plate 242, stainless steel perforated plate are flowed through
241 holes, the aeration tank of aeration board 23, the air circulation that divides in blast pipe 22 are relatively fixed, the gas flow rate in upper member
Depending on relative efficiency crosses wind area.
Guiding gutter 43 is arranged on outside the catch basin 11 of housing structure 1 and communicated with catch basin 11, and mozzle 433 is in guiding gutter 43
Bottom, import are exported in lower floor's catch basin 11 in the oblique cone bottom of catch basin 11, are passed through fluid level controller 432 and are adjusted mozzle 433
In fluid level control valve 432.
Required according to dust removing effects, adjust the water level of catch basin 11, that is, aeration board 23, stainless steel perforated plate 241, no
The distance of rust expanded sheet metal 242 and the water surface.Water level is higher, and better, but air loss is bigger for dust removing effects.Differential submersible gas wash tower
Air loss and drawdown of piezometric level it is closely related, per mm drawdown of piezometric level 10Pa, water level general control is within 100mm.
Clarifier-tank includes stillpot, regulating tank, clean water tank, absorbent regulating tank., can according to different ash-laden gas property
Different absorbents is added in water to improve the efficiency of dust collection of ash-laden gas.
Differential submersible gas wash tower gas air inlet/outlet path of the present invention is as follows：Total blast pipe 21 → divide blast pipe 22 → aeration board
23（Waste gas uniformly spreads, washed）→ stainless steel perforated plate 241（Reduce bubble volume, washing）→ stainless steel wire web plate 242（Again
Reduce bubble volume increase gas-liquid to exchange）→ contain water gas → gas collection area 12 → exhaust passage, 31 → top cylinder 14 → dehydration foam removal
Device 32（It is dehydrated dedusting）→ gas qualified discharge.
The circulating path of differential submersible gas wash tower washings of the present invention is as follows：Water circulating pump → 42 → flooding nozzle of water inlet pipe
41 → dehydration, 32 → upper strata of demister, 11 → oblique cone of catch basin bottom（Containing sewage）433 → mozzle of → fluid level control valve 431 →
Lower floor's catch basin 11（It is successively lower from top to bottom to arrange）→ bottom catch basin 11 → bottom blow-down, 45 → clarifier-tank of pipe.
Certain model differential submersible gas wash tower=3 layers, handle air quantityFor 8100~12960m3/h, stainless steel perforated plate
241st, the effective area of stainless steel wire web plate 242=1.2m².When the punching rate of stainless steel perforated plate 241=25%, available ventilation face
Product=0.3m2, when the punching rate of stainless steel wire web plate 242=45.2%, available ventilation area=0.5424m²。
1）When processing air quantity is 8100 m3/h, waste gas is by the speed in the aperture of stainless steel perforated plate 241=÷（
×）
=÷（×）=8100 m³/h÷（0.3m²×3）=2.5m/s.
Waste gas is by the speed in the aperture of stainless steel wire web plate 242=÷（×）
=÷（×）=8100 m³/h÷（0.5424m²×3）=1.38m/s.
2）When processing air quantity is 12960m3/h, when waste gas is by the speed in the aperture of stainless steel perforated plate 241=÷（×）
=÷（×）=12960m³/h÷（0.3m²×3）=4m/s.
Waste gas is by the speed in the aperture of stainless steel wire web plate 242=÷（×）
=÷（×）=12960m³/h÷（0.5424m²×3）=2.21m/s.
This beneficial effect invented in fact is, differential submersible dust pelletizing system is compared with existing similar technique and has a following spy
Point：
1st, the dewatering integrated efficiency high of dedusting；
2nd, effective unit filter area setup cost is low, air loss is small；
3rd, it is easy to operate, automatic operating is safe and reliable.
The present invention is further illustrated with specific embodiment below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is that first embodiment of the invention faces sectional structural map；
Fig. 2 is A-A sectional structural map；
Fig. 3 is A direction views；
Fig. 4 is B direction views；
Fig. 5 is the front view of aeration board；
Fig. 6 is that the stainless steel wire web plate of second embodiment sets side view.
1. housing structure in figure, 11. catch basins, 111. swash plates, 112. waters surface, 12. gas collection areas, 13. access holes, on 14.
Portion's cylinder, 2. air intake differential aerating systems, 21. total blast pipes, 22. points of blast pipes, 221. straight tubes, 222. elbows, 223. oblique cones,
23. aeration board, 24. differential perforated plates, 241. stainless steel perforated plates, 242. stainless steel wire web plates, 3. air-out dewatering units, 31.
Exhaust passage, 32. dehydration demisters, 4. water circulation cleaning systems, 41. flooding nozzles, 42. water inlet pipes, 43. guiding gutters, 431. lead
Flow tube, 432. fluid level controllers, 433. fluid level control valves, 44. blowdown control valves, 45. blow-off pipes.
Embodiment
In the first embodiment shown in Fig. 1,2,3,4,5, differential submersible gas wash tower includes housing structure 1, air intake differential
Aerating system 2, air-out dewatering unit 3, water circulation cleaning system 4, housing structure 1 include the vertically disposed catch basin 11 of multilayer,
Gas collection area 12, access hole 13, top cylinder 14；Air intake differential aerating system 2 includes total blast pipe 21, divides blast pipe 22, be fixed
Formula aeration board 23, movable differential perforated plate 24, divide blast pipe 22 to be made up of straight tube 221, elbow 222 and bottom oblique cone 223, expose
Gas plate 23 is in the bottom of oblique cone 223, and differential perforated plate 24 is between the water surface of catch basin 11 and aeration board 23；Air-out dewatering unit 3 wraps
Include exhaust passage 31 outside tower body, the dehydration demister 32 of tower top；Water circulation cleaning system 4 include flooding nozzle 41, water inlet pipe 42,
Guiding gutter 43, blowdown control valve 44, blow-off pipe 45, clarifier-tank 46, water circulating pump, absorbent.
The bottom of catch basin 11 sets swash plate 111, and access hole 13 is arranged on gas collection area 12, and the top of gas collection area 12 passes through exhaust passage
31 import top cylinder 14；The bottom of orlop catch basin 11 is in back taper, and sewage passes through blow-off pipe through bottom blow-down control valve 44
45 enter clarifier-tank 46.
The aeration tank of aeration board 23 is the radial slotted hole of inner ring different length, and outer ring is the radial length of equalization setting
Circular hole, the aperture of outer ring slotted hole are more than the aperture of inner ring slotted hole, and aeration groove area is less than the 18% of the area of aeration board 23.
When differential perforated plate 24 is one layer of stainless steel perforated plate 241, stainless steel perforated plate 241 is on aeration board 23
30mm, stainless steel perforated plate 241 are 2~3mm of aperture, punching rate 25%.The speed that air-flow passes through the micropore of stainless steel perforated plate 241
Spend for 2.5~4m/s.
Guiding gutter 43 is arranged on outside the catch basin 11 of housing structure 1 and communicated with catch basin 11, and mozzle 431 is in guiding gutter 43
Bottom, import are exported in lower floor's catch basin 11 in the oblique cone bottom of catch basin 11, are passed through fluid level controller 432 and are adjusted mozzle 431
In fluid level control valve 433.
Clarifier-tank includes stillpot, regulating tank, clean water tank, absorbent regulating tank.
Because when evaporation and other reasonses cause the horizontal plane in catch basin 11 too low, fluid level controller 432 opens upper strata
Fluid level control valve 433 in mozzle 431, the water of upper strata catch basin 11 will enter catch basin 11 via mozzle 431.Work as water storage
The water level of groove 11 exceeds the specified water level of highest, and fluid level controller 432 opens the fluid level control valve 433 in this layer of mozzle 431, will
The water of this layer of catch basin 11 will enter in lower floor's catch basin 11 via mozzle 431.
When the water level of the superiors' catch basin 11 is less than minimum rated water level, fluid level controller 432 starts water circulating pump, leads to
The flooding nozzle 41 that the water of clarifier-tank is sent on dehydration demister 32 by water inlet pipe 42 is crossed, upper strata catch basin 11 is fallen into after flushing.
When the water level of orlop catch basin 11 exceeds the specified water level of highest, fluid level controller 432 opens blowdown control valve 44 by catch basin
11 water imports clarifier-tank through blow-off pipe 45.
For dust in the water of orlop catch basin 11 close to when setting concentration, fluid level controller 432 will periodically turn on blowdown control
The sewage of catch basin 11 is imported clarifier-tank 46 by valve 44 processed through blow-off pipe 45.
In the second embodiment shown in Fig. 6, when differential perforated plate 24 is set to two layers, on stainless steel perforated plate 241
Face 20mm sets up one layer of aperture≤1.3mm, the stainless steel wire web plate 242 of punching rate 45.2~51%.
In the third embodiment, when the heat of air intake is larger, fluid level control valve 433, blowdown control valve 44, water circulating pump
Quantitative water circulation will be kept, meets extra heat conductance calls.The water level control of catch basin 11 will be unaffected.
It should be appreciated that without departing from the scope of the present invention, a variety of changes can be made to above-described embodiment, and be applied to
Other occasions.All any modification, equivalent and improvement made within the spirit and principles of the invention etc., should be included in
Within protection scope of the present invention.
Claims (6)
1. a kind of differential submersible gas wash tower include housing structure (1), air intake differential aerating system (2), air-out dewatering unit (3),
Water circulation cleaning system (4), it is characterized in that：Housing structure (1) includes the vertically disposed catch basin of multilayer (11), gas collection area
(12), access hole (13), top cylinder (14)；Air intake differential aerating system (2) includes total blast pipe (21), divides blast pipe
(22), fixed aeration board (23), movable differential perforated plate (24), blast pipe (22) is divided by straight tube (221), elbow (222)
And bottom oblique cone (223) composition, aeration board (23) is in oblique cone (223) bottom, and differential perforated plate (24) is in catch basin (11) water surface
Between aeration board (23)；Air-out dewatering unit (3) includes the exhaust passage (31) outside tower body, the dehydration demister (32) of tower top；
Water circulation cleaning system (4) includes flooding nozzle (41), water inlet pipe (42), guiding gutter (43), blowdown control valve (44), blow-off pipe
(45), clarifier-tank, water circulating pump, absorbent.
2. differential submersible gas wash tower according to claim 1, it is characterized in that：Catch basin (11) bottom sets swash plate (111),
Access hole (13) is arranged on gas collection area (12), and top cylinder (14) is imported by exhaust passage (31) at the top of gas collection area (12)；It is most lower
Layer catch basin (11) bottom is in back taper, and sewage enters clarifier-tank through bottom blow-down control valve (44) by blow-off pipe (45).
3. differential submersible gas wash tower according to claim 1, it is characterized in that：The aeration tank of aeration board (23) is that inner ring is different
The radial slotted hole of length, outer ring are the radial slotted hole of equalization setting, and the aperture of outer ring slotted hole is oval more than inner ring
The aperture in hole, aeration groove area are less than the 18% of aeration board (23) area.
4. differential submersible gas wash tower according to claim 1, it is characterized in that：When differential perforated plate (24) is one layer of stainless steel
During perforated plate (241), in aeration board (23), 30mm, stainless steel perforated plate (241) are aperture 2 to stainless steel perforated plate (241) above
~3mm, punching rate 25%, air-flow are 2.5~4m/s by the speed of stainless steel perforated plate (241) micropore.
5. differential submersible gas wash tower according to claim 1, it is characterized in that：When differential perforated plate (24) is set to two layers,
In stainless steel perforated plate (241), 20mm sets up one layer of aperture≤1.3mm, the stainless steel wire web plate of punching rate 45.2~51% above
(242)。
6. differential submersible gas wash tower according to claim 1, it is characterized in that：Guiding gutter (43) is arranged on housing structure (1)
Catch basin (11) communicated outside with catch basin (11), for mozzle (431) in guiding gutter (43) bottom, import is oblique in catch basin (11)
Bottom is bored, is exported in lower floor's catch basin (11), the fluid level control valve in mozzle (431) is adjusted by fluid level controller (432)
(433)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720118212.9U CN206642511U (en) | 2017-02-09 | 2017-02-09 | Differential submersible gas wash tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720118212.9U CN206642511U (en) | 2017-02-09 | 2017-02-09 | Differential submersible gas wash tower |
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| Publication Number | Publication Date |
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| CN206642511U true CN206642511U (en) | 2017-11-17 |
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ID=60283178
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| CN201720118212.9U Active CN206642511U (en) | 2017-02-09 | 2017-02-09 | Differential submersible gas wash tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404559A (en) * | 2017-02-09 | 2018-08-17 | 厦门嘉达环保建造工程有限公司 | Differential submersible gas wash tower |
-
2017
- 2017-02-09 CN CN201720118212.9U patent/CN206642511U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404559A (en) * | 2017-02-09 | 2018-08-17 | 厦门嘉达环保建造工程有限公司 | Differential submersible gas wash tower |
| CN108404559B (en) * | 2017-02-09 | 2023-09-26 | 厦门嘉达环保科技有限公司 | Differential diving dust-removing tower |
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