CN206950814U - A kind of wind-cowl gas-liquid separation device - Google Patents
A kind of wind-cowl gas-liquid separation device Download PDFInfo
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- CN206950814U CN206950814U CN201720688595.3U CN201720688595U CN206950814U CN 206950814 U CN206950814 U CN 206950814U CN 201720688595 U CN201720688595 U CN 201720688595U CN 206950814 U CN206950814 U CN 206950814U
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Abstract
The utility model provides a kind of wind-cowl gas-liquid separation device, including：Channel partition is upper channel and lower passage by passage and dividing plate, the dividing plate；The central region of the dividing plate opens up some openings；Region beyond the dividing plate central region offers some slurries and collects hole；Cover some blast caps of the opening；The blast cap has uniform lateral perforate；Collected in all slurries and be provided with a collecting tank below hole；The lower passage is connected by opening with blast cap, then is connected by lateral perforate with upper channel；The upper channel is collected hole by slurries and connected with collecting tank；Chevron mist eliminator is provided with below the intermediate region.By the vapor-liquid separating structure for setting vane type spiral board and blast cap to combine, apply in double circulation desulphurization absorption tower, avoid primary cycle slurries from being largely blended into secondary cycle slurries, while desulfuration efficiency is improved, reduce operating cost.
Description
Technical field
It the utility model is related to environmental technology field, more particularly to wet process of FGD equipment, and in particular to a kind of blast cap
Type gas-liquid separation device.
Background technology
《The energy-saving and emission-reduction of coal electricity upgrade and transformation action plan (2014-2020)》It is required that eastern region (Liaoning, Beijing, day
The provinces and cities of Tianjin, Hebei, Shandong, Shanghai, Jiangsu, Zhejiang, Fujian, Guangdong, Hainan etc. 11) newly-built Thermal generation unit atmosphere pollution
Concentration of emission basically reach gas turbine group emission limit (i.e. under the conditions of benchmark oxygen content 6%, flue dust, sulfur dioxide, nitrogen oxygen
Compound concentration of emission is respectively no higher than 10,35,50 milligrams/cubic metre), middle part (Heilungkiang, Jilin, Shanxi, Anhui, lake
The province of north, Hunan, Henan, Jiangxi etc. 8) new-built unit is in principle close to or up gas turbine group emission limit, and encouragement is westernly
Area's new-built unit is close to or up gas turbine group emission limit.To the year two thousand twenty, 300,000 kilowatts of eastern region active service and the above are public
Thermal generation unit and other conditional Thermal generation units are provided for oneself with Thermal generation unit, 100,000 kilowatts and the above, are changed
Make rear Air Pollutant Emission concentration and basically reach gas turbine group emission limit.Asked for subregion fire coal sulfur-bearing is too high
Topic, traditional single cycle desulfurization technology are extremely difficult to the new standard requirement of State Ministry of Environmental Protection.
It is universal at present in order to reach emission request, it is necessary to be transformed or updated for traditional single cycle desulphurization system
Using single column double circulation desulphurization system, and in order to realize single column Two-way Cycle, then need to be separated different circulation loops.
Prior art, the Chinese utility model patent of Application No. 201420698052.6 disclose a kind of single column Two-way Cycle
Wet flue gas desulfurization tower cascade type liquid collector, it is included in the liquid collecting bucket set between the loop of Sprayer Circulation up and down of desulfurizing tower,
Cascade structure is provided with above liquid collecting bucket, cascade structure is divided into one-level leaf grating and two level leaf grating, and one-level leaf grating and two level leaf grating are handed over
Mistake arrangement is formed and is connected when overlooking for the cascade structure of annular, the root of cascade structure with liquid collecting bucket, and liquid collecting bucket bottom passes through slurry
Liquid return duct communicates with the slurry tank outside desulfurizing tower.The effect of uniform gas-liquid flow field can be played to a certain extent, still, on
State that the device separating effect being previously mentioned in patent is unsatisfactory, a large amount of slurry droplets are still carried in the flue gas by one-level spray
Sprayed into two level, and be collected into the outer stock tank of tower, caused two level sprayed slurry solid content and pH value to reduce quickly, reduce by two
Level circulation desulfurization efficiency, and increase absorbent consumption.
Utility model content
For this problem, the purpose of this utility model is to provide a kind of wind-cowl gas-liquid separation device, and it is provided with impeller
The vapor-liquid separating structure that formula spiral board and blast cap combine, is applied in double circulation desulphurization absorption tower, the slurries liquid carried secretly in flue gas
Drop by centrifugal action and touching and acting on removal, and flue gas broken up by top plate after even into secondary cycle, so as to avoid one-level
Loop slurry is largely blended into secondary cycle slurries, avoids the quick reduction of secondary cycle slurry solid content and pH value, is improving
While desulfuration efficiency, operating cost is reduced.
For the above-mentioned purpose, the concrete technical scheme that the utility model is taken is：
A kind of wind-cowl gas-liquid separation device, including：
For the above-mentioned purpose, the utility model adopts the technical scheme that：
A kind of wind-cowl gas-liquid separation device, including：
Channel partition is a upper channel and a lower passage by one passage and a dividing plate, the dividing plate；The dividing plate
Central region opens up some openings；Region beyond the dividing plate central region offers some slurries and collects hole；
Cover some blast caps of the opening；The blast cap has uniform lateral perforate；
Collected in all slurries and be provided with a collecting tank below hole；
The lower passage is connected by opening with blast cap, then is connected by lateral perforate with upper channel；On described
Portion's passage is collected hole by slurries and connected with collecting tank；
Chevron mist eliminator is provided with below the intermediate region.
Further, the collecting tank is annular groove, and the exterior panel of the chevron mist eliminator is the internal ring wall of collecting tank；
The passage is the external annulus of collecting tank；
The collecting tank also includes the annular bottom plate being closed between wallboard and passage.
Further, the blast cap includes a cylinder and a top plate, and the top plate closes the upper opening of the cylinder, institute
State cylinder and offer uniform some palisade holes.
Further, the size of the cylinder lower openings is not less than the opening.
Further, the palisade hole is opened in the junction of the upper opening of top plate and cylinder.
Further, the annular region collected hole and be arranged on the outside of intermediate region, all collection holes are circumferentially equal
Cloth.
Further, it is described collection hole be manhole, fan-shaped pylone, fan annular through-hole or other there is rounding off wheel
Wide through hole.
Further, the passage is the part tower body of a desulfuration absorbing tower, and the desulfuration absorbing tower is double circulation desulphurization
Absorption tower, has one-level spray-absorption area and two level spray-absorption area, and the part tower body is located at one-level spray-absorption area and two
Between level spray-absorption area.
Further, the desulfuration absorbing tower also includes a secondary cycle slurry pool, and the collecting tank passes through a collecting pipe
Road connects secondary cycle slurry pool.
Further, the area of the central region is the 50% to 85% of dividing plate integral planar area.
By dividing plate by the passage of device be divided into up and down two parts, the large-scale vane type spiral board of lower disposed, top then with
Concentric circular fashion arranges multiple blast caps, is then the opening that dividing plate opens up below blast cap, and is being provided with several receipts along tower wall region
Collect hole.
When the flue gas for carrying a large amount of slurry droplets enters device, first by chevron mist eliminator, flue gas is tentatively removed
In liquid, then flue gas then continue to rise through blast cap, now remaining slurry droplet continues the cylinder in blast cap in flue gas
Collide on inwall and top plate and fallen after rise after coagulating；And the sprayed slurry of top is then flowed into along absorption tower wall by the collection hole on dividing plate and set
Annular collecting tank in, uniformly deliver to stock tank outside tower through slurries collection conduit.Such structure meets that single column double circulation desulphurization is set
Requirement standby, that the slurries of two circulation loops in tower are separated.Also, said apparatus provided by the utility model has structure
Simply, the features such as install convenient, one-level, secondary cycle slurries can be efficiently separated, and realize the cigarette into secondary cycle region
Airflow field is uniform, so as to improve the desulfuration efficiency of secondary cycle.
Brief description of the drawings
Fig. 1 is the structural representation of the gas-liquid separation device of the embodiment apoplexy shape for hat of the utility model one.
Fig. 2 be in Fig. 1 A-A to sectional view.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clear, complete description.
As shown in Figure 1 to Figure 2, in one embodiment, there is provided a kind of gas-liquid separation device of wind-cowl, including：Passage 1 and
Passage 1 is divided into upper channel and lower passage by dividing plate 2, dividing plate 2；The central region of dividing plate 2 opens up some openings；Every
Region beyond the central region of plate 2 offers some slurries and collects hole 5；Preferably, the area of central region is that dividing plate is integrally put down
The 50% to 85% of face area.
Cover some blast caps 3 of opening；Blast cap 3 has uniform lateral perforate；As Fig. 2, blast cap are uniform in array.
In further embodiment, blast cap can also be in that concentric circular fashion is uniform.
The lower section that hole 5 is collected in all slurries is provided with collecting tank；
Lower passage is connected by opening with blast cap 3, then is connected by lateral perforate with upper channel；Upper channel leads to
Slurries collection hole 5 is crossed to connect with collecting tank；
In addition, chevron mist eliminator 4 is provided with below intermediate region, although the chevron mist eliminator is existing equipment,
Preferable gas liquid separating function can be played herein by being mounted in, and liquid separation in the middle part of flue gas is tentatively removed by chevron mist eliminator
Drop, the separated constitution layers of deflector composition are entered back into, gas-liquid separation can be made more thorough, so as to obtain more preferably effect.
Collecting tank is annular groove, and the exterior panel of chevron mist eliminator is the internal ring wall of collecting tank；Passage is the outer of collecting tank
Ring wall；Collecting tank also includes the annular bottom plate being closed between wallboard and passage.
Blast cap 3 includes cylinder and top plate, the upper opening of top plate closed cylinder, specifically, the size of top plate is more than etc.
In the upper opening area of cylinder.Cylindrical shape is not limited to the cylindrical drum in figure, can also be class cylindrical drum or round table-like cylinder etc..
Cylinder offers uniform some palisade holes.
The size of cylinder lower openings is not less than opening.Ensure the smooth circulation of flue gas, and flue gas can only be by foregoing palisade
Hole passes through.
Such as figure, palisade hole is opened in the junction of the upper opening of top plate and cylinder.In a further embodiment, palisade hole
Position somewhat on the lower, the i.e. position apart from top plate certain distance can also be opened in.
The annular region that hole 5 is arranged on the outside of intermediate region is collected, all collection holes 5 are circumferentially uniform.Such as figure, collect
Hole 5 is fan annular through-hole, and in other examples, other shapes, for example, manhole, fan can also be selected by collecting hole
Shape through hole or other there is the through hole of rounding off profile, it might even be possible to select square opening or polygonal hole.
Passage 1 is the part tower body of a desulfuration absorbing tower, and the desulfuration absorbing tower is double circulation desulphurization absorption tower, has one-level
Spray-absorption area and two level spray-absorption area, part tower body are located between one-level spray-absorption area and two level spray-absorption area.It is de-
Sulphur absorption tower also includes secondary cycle slurry pool, and the collecting tank connects secondary cycle slurry pool by collecting.Realize two
The circulation of level sprayed slurry.
After the sulfur-containing smoke gas of boiler tail discharge enters desulfuration absorbing tower, washed first through primary cycle, through primary cycle
Contain the sulfur-containing smoke gas of a large amount of slurry droplets after washing, the drop carried in flue gas is tentatively removed by chevron mist eliminator；And
Afterwards, flue gas is upwardly into blast cap, and remaining slurry drops, which continue through, in flue gas touches and cohesion removes, and flue gas is broken up by top plate
Afterwards even into secondary cycle；Secondary cycle slurries are then flowed down by gap between blast cap top plate, are entered by the perforate of dividing plate surrounding
The collecting tank of tower wall is arranged at, is uniformly drained into outside tower in stock tank through slurries collection conduit.
By taking a practical sulphur removal system as an example, the application for a patent for invention that application reference people submitted on May 19th, 2016 (is applied
Number：2016103352317) structure on the double circulation desulphurization absorption tower introduced, the absorption using sodium carbonate as primary cycle loop
The absorbent that agent, sodium hydroxide and/or lime stone slurry circulate as secondary circuit, raw flue gas dioxy before absorption tower is entered
Change sulfur content is 6000mg/Nm3, respectively after one-level, secondary cycle desulfurization, the content of sulfur dioxide in flue gas is reduced to
35mg/Nm3Hereinafter, discharge standard is met.Further, since the drop in primary cycle loop is isolated effect highly significant, substantially
The liquid that the treated flue gas of upper level circulation loop carries will not enter secondary cycle loop, be absorbed thus without sodium base is influenceed
Agent it is constantly regenerating, calcium-base absorbing agent can be used for after desulfurization make gypsum, fume treatment cost can be greatly lowered.
Above-mentioned desulphurization system is equally used, the liquid collector for replacing with patent disclosed in background technology realizes gas-liquid separation,
Content of sulfur dioxide is 6000mg/Nm3Flue gas, still carry a large amount of slurry droplets into two in the flue gas by one-level spray
Level spray, and the outer stock tank of tower is collected into, cause two level sprayed slurry solid content and pH value to reduce quickly, reduce secondary cycle
Desulfuration efficiency, and increase absorbent consumption.After being handled by this comparative example, same processing cost, that is, same agent is added
The medicament of amount, the content of sulfur dioxide in flue gas are only reduced to 55mg/Nm3, qualified discharge can not be realized.Due to two level spray
Slurry solid content and pH value reduce quickly, in order to meet granting up to standard, it is necessary to increase the additive amount of medicament in secondary cycle loop,
So as to add processing cost, and because the increment of medicament adds, desulfurization wastewater concentration can be caused to raise, and then provide desulfurization
Cost for wastewater treatment and concentration.
Obviously, described embodiment is only the utility model part of the embodiment, rather than whole embodiments.It is based on
Embodiment in the utility model, those of ordinary skill in the art are obtained all under the premise of creative work is not made
Other embodiment, belong to the scope of the utility model protection.
Claims (10)
- A kind of 1. wind-cowl gas-liquid separation device, it is characterised in that including：Channel partition is a upper channel and a lower passage by one passage and a dividing plate, the dividing plate；The middle part of the dividing plate Region opens up some openings；Region beyond the dividing plate central region offers some slurries and collects hole；Cover some blast caps of the opening；The blast cap has uniform lateral perforate；Collected in all slurries and be provided with a collecting tank below hole；The lower passage is connected by opening with blast cap, then is connected by lateral perforate with upper channel；The top leads to Hole is collected by slurries and is connected with collecting tank in road；Chevron mist eliminator is provided with below the intermediate region.
- 2. wind-cowl gas-liquid separation device as claimed in claim 1, it is characterised in that the collecting tank is annular groove, described The exterior panel of chevron mist eliminator is the internal ring wall of collecting tank；The passage is the external annulus of collecting tank；The collecting tank also includes the annular bottom plate being closed between wallboard and passage.
- 3. wind-cowl gas-liquid separation device as claimed in claim 1, it is characterised in that the blast cap includes a cylinder and a top Plate, the top plate close the upper opening of the cylinder, and the cylinder offers uniform some palisade holes.
- 4. wind-cowl gas-liquid separation device as claimed in claim 3, it is characterised in that the size of the cylinder lower openings is not Less than the opening.
- 5. wind-cowl gas-liquid separation device as claimed in claim 3, it is characterised in that the palisade hole is opened in top plate and cylinder The junction of the upper opening of body.
- 6. wind-cowl gas-liquid separation device as claimed in claim 1, it is characterised in that the collection hole is arranged in intermediate region One annular region in outside, all collection holes are circumferentially uniform.
- 7. wind-cowl gas-liquid separation device as claimed in claim 1, it is characterised in that the collection hole is manhole, fan Shape through hole, fan annular through-hole or other there is the through hole of rounding off profile.
- 8. wind-cowl gas-liquid separation device as claimed in claim 1, it is characterised in that the passage is a desulfuration absorbing tower Part tower body, the desulfuration absorbing tower are double circulation desulphurization absorption tower, have one-level spray-absorption area and two level spray-absorption area, The part tower body is located between one-level spray-absorption area and two level spray-absorption area.
- 9. wind-cowl gas-liquid separation device as claimed in claim 8, it is characterised in that the desulfuration absorbing tower also includes one or two Level recycle slurry liquid pool, the collecting tank connect secondary cycle slurry pool by a collecting.
- 10. wind-cowl gas-liquid separation device as claimed in claim 1, it is characterised in that the area of the central region be every The 50% to 85% of plate integral planar area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720688595.3U CN206950814U (en) | 2017-06-14 | 2017-06-14 | A kind of wind-cowl gas-liquid separation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720688595.3U CN206950814U (en) | 2017-06-14 | 2017-06-14 | A kind of wind-cowl gas-liquid separation device |
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| CN206950814U true CN206950814U (en) | 2018-02-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115318237A (en) * | 2022-08-12 | 2022-11-11 | 山东国舜建设集团有限公司 | Gas lifting cap and method for slag slurry liquid phase system |
-
2017
- 2017-06-14 CN CN201720688595.3U patent/CN206950814U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115318237A (en) * | 2022-08-12 | 2022-11-11 | 山东国舜建设集团有限公司 | Gas lifting cap and method for slag slurry liquid phase system |
| CN115318237B (en) * | 2022-08-12 | 2023-12-29 | 山东国舜建设集团有限公司 | Gas lifting cap and method for slag slurry phase system |
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