CN104998536A - Lime high-efficiency desulfurization denitration recycling spray tower - Google Patents
Lime high-efficiency desulfurization denitration recycling spray tower Download PDFInfo
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- CN104998536A CN104998536A CN201510419875.XA CN201510419875A CN104998536A CN 104998536 A CN104998536 A CN 104998536A CN 201510419875 A CN201510419875 A CN 201510419875A CN 104998536 A CN104998536 A CN 104998536A
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- Prior art keywords
- shower
- spray
- spray column
- spray system
- efficiency desulfurization
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- 239000007921 spray Substances 0.000 title claims abstract description 84
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 21
- 230000023556 desulfurization Effects 0.000 title claims abstract description 19
- 235000008733 Citrus aurantifolia Nutrition 0.000 title claims abstract description 16
- 235000011941 Tilia x europaea Nutrition 0.000 title claims abstract description 16
- 239000004571 lime Substances 0.000 title claims abstract description 16
- 238000004064 recycling Methods 0.000 title abstract description 5
- 239000002002 slurry Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000003647 oxidation Effects 0.000 claims abstract description 5
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 5
- 229910052602 gypsum Inorganic materials 0.000 claims description 4
- 239000010440 gypsum Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 5
- 239000003546 flue gas Substances 0.000 abstract description 5
- 229910052717 sulfur Inorganic materials 0.000 abstract description 4
- 239000011593 sulfur Substances 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 11
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 7
- 239000000779 smoke Substances 0.000 description 5
- 239000005864 Sulphur Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The invention discloses a lime high-efficiency desulfurization denitration recycling spray tower which includes a spray tower, a spray system, a uniform mixing chamber, a slurry pool, a centrifugal chamber and a raw material pool; the spray tower is provided with an air inlet and an air outlet; the spray system is located inside the spray tower, and is composed of a main water tube, a first spray tube, a second spray tube and a third spray tube; the uniform mixing chamber is located above the spray system; the slurry pool is located below the spray system; the slurry pool is internally provided with a slurry oxidation device. According to the lime high-efficiency desulfurization denitration recycling spray tower, the spray tower is internally provided with the plurality of spray tubes, the spray tube located in the center rises in a spiral mode, the uniform mixing chamber is arranged above the spray system, slurry in the spray system and sulfur-containing flue gas in the spray tower are fully contacted and are completely reacted, the desulfurization efficiency is improved, a water pump can recycle the slurry, the desulfurization cost is reduced, the centrifugal chamber can separate products in a liquid after reaction, and thus re-use is achieved.
Description
[technical field]
The present invention relates to the technical field of desulfuring and denitrifying apparatus, particularly the technical field of desulphurization denitration spray column.
[background technology]
Sulfur dioxide affects larger gaseous contaminant in atmosphere pollution, has high risks to human body, environment and the ecosystem.Along with the increasingly stringent of environmental requirement, the problem of S02 discharge more and more receives publicity.Sulfur dioxide mainly stems from the combustion process of the fossil fuel such as coal, oil, and the roasting of ore, the fume emission of smelting process.Wherein various burning boiler particularly power plant boiler smoke evacuation there is the features such as concentration is low, exhaust gas volumn is large, floating dust is many and be difficult to administer.Discharge sulfur dioxide in flue gas purification techniques normally carries out desulfurization by spray column, but the slurries in the spray system in traditional desulphurization denitration spray column can not contact with Gas phase Smoke fully, sulphur removal is caused to remove nitre efficiency lower, and spray liquid reaction not exclusively, cause waste, environmental pollution is serious.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, propose the denitration of a kind of lime high-efficiency desulfurization and recycle spray column, the slurries in spray system can be made fully to contact with the sulfur-containing smoke gas in spray column, improve desulfuration efficiency, slurries are recycled and reused, reduces desulphurization denitration cost and the pollution to environment.
For achieving the above object, the present invention proposes the denitration of a kind of lime high-efficiency desulfurization and recycle spray column, comprise spray column, spray system, Homogeneous phase mixing room, slurry pool, centrifugal chamber, feed reservoir, described spray column is provided with air inlet and gas outlet, described spray system is positioned at spray column inside, spray system is by water main, first shower, second shower and the 3rd shower composition, described Homogeneous phase mixing room is positioned at above spray system, described slurry pool is positioned at below spray system, described Homogeneous phase mixing room and slurry pool are by the first pipeline communication, slurries oxidation unit is installed in described slurry pool, described centrifugal chamber is connected by second pipe with slurry pool.
As preferably, described gas outlet is positioned at the upper end of spray column, and air inlet is positioned at the middle-end of spray column.
As preferably, described first shower, the second shower are all connected with water main with the 3rd shower, and the first shower, the second shower and the 3rd shower are all provided with some shower nozzles.
As preferably, described second shower is between the first shower and the 3rd shower, and the second shower is in spiral shape is positioned at spray column, and described shower nozzle adopts air atomizing shower nozzle.
As preferably, described centrifugal chamber is provided with gypsum outlet, and centrifugal chamber is connected with feed reservoir by centrifugal water pump.
As preferably, described feed reservoir is connected with water main by water pump.
Beneficial effect of the present invention: the denitration of a kind of lime high-efficiency desulfurization of the present invention recycles spray column by installing some showers in spray column, be positioned at the shower rising in spiral shape at center, shower nozzle simultaneously on shower all adopts air atomizing shower nozzle, Homogeneous phase mixing room is set above spray system, the slurries in spray system can be made fully to contact with the sulfur-containing smoke gas in spray column, complete reaction, improve desulfuration efficiency, water pump can recycle slurries, reduce sulphur removal cost, centrifugal chamber can by reacted liquid by product separation out, realize recycling.
Feature of the present invention and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the structural representation that the denitration of a kind of lime high-efficiency desulfurization of the present invention recycles spray column.
In figure: 1-spray column, 2-spray system, 3-Homogeneous phase mixing room, 4-slurry pool, 5-centrifugal chamber, 6-stoste pond, 11-air inlet, 12-gas outlet, 21-water main, 22-first shower, 23-second shower, 24-the 3rd shower, 25-shower nozzle, 31-first pipeline, 41-slurries oxidation unit, 42-second pipe, 51-gypsum outlet.
[detailed description of the invention]
Consult Fig. 1, the denitration of a kind of lime high-efficiency desulfurization of the present invention recycles spray column, comprise spray column 1, spray system 2, Homogeneous phase mixing room 3, slurry pool 4, centrifugal chamber 5, feed reservoir 6, described spray column 1 is provided with air inlet 11 and gas outlet 12, it is inner that described spray system 2 is positioned at spray column 1, spray system 2 is by water main 21, first shower 22, second shower 23 and the 3rd shower 24 form, described Homogeneous phase mixing room 3 is positioned at above spray system 2, described slurry pool 4 is positioned at below spray system 2, described Homogeneous phase mixing room 3 is communicated with by the first pipeline 31 with slurry pool 4, in described slurry pool 4, slurries oxidation unit 41 is installed, described centrifugal chamber 5 is connected by second pipe 42 with slurry pool 4, described gas outlet 12 is positioned at the upper end of spray column 1, air inlet 11 is positioned at the middle-end of spray column 1, described first shower 22, second shower 23 is all connected with water main 21 with the 3rd shower 24, first shower 22, second shower 23 and the 3rd shower 24 are all provided with some shower nozzles 25, described second shower 23 is between the first shower 22 and the 3rd shower 24, second shower 23 is in spiral shape is positioned at spray column 1, described shower nozzle 25 adopts air atomizing shower nozzle, described centrifugal chamber 5 is provided with gypsum outlet 51, centrifugal chamber 5 is connected with feed reservoir 6 by centrifugal water pump 8, described feed reservoir 6 is connected with water main 21 by water pump 7.
The course of work of the present invention:
The denitration of a kind of lime high-efficiency desulfurization of the present invention recycles spray column in the course of the work, flue gas enters spray system 2 from air inlet 11, stoste in stoste pond 6 passes in water main 21 by water pump 7, sprayed by spray system 2, the first shower 22 in flue gas and spray system 2, the stoste haptoreaction of the second shower 23 and the ejection of the 3rd shower 24, be positioned at second shower 23 at center in rising of spiraling, shower nozzle 25 on shower adopts air atomizing shower nozzle, Homogeneous phase mixing room 3 is provided with above spray system 2, allow the abundant haptoreaction of sulfur-containing smoke gas in the stoste of ejection in spray system 2 and spray column 1, improve the efficiency of desulphurization denitration, reactant liquor flows into slurry pool 4 along the first pipeline 31, after fully oxidized, slurries enter centrifugal chamber 5, centrifugal treating is carried out to slurries, by centrifugal pump 8, the slurries after centrifugal are recovered to stoste pond 6 again, recycling, reduce desulphurization denitration cost, abundant reacted flue gas is discharged from gas outlet 12, reduce the pollution to environment.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, anyly all belongs to protection scope of the present invention to the scheme after simple transformation of the present invention.
Claims (6)
1. lime high-efficiency desulfurization denitration recycles spray column, it is characterized in that: comprise spray column (1), spray system (2), Homogeneous phase mixing room (3), slurry pool (4), centrifugal chamber (5), feed reservoir (6), described spray column (1) is provided with air inlet (11) and gas outlet (12), it is inner that described spray system (2) is positioned at spray column (1), spray system (2) is by water main (21), first shower (22), second shower (23) and the 3rd shower (24) composition, described Homogeneous phase mixing room (3) is positioned at spray system (2) top, described slurry pool (4) is positioned at spray system (2) below, described Homogeneous phase mixing room (3) is communicated with by the first pipeline (31) with slurry pool (4), slurries oxidation unit (41) is installed in described slurry pool (4), described centrifugal chamber (5) is connected by second pipe (41) with slurry pool (4).
2. a kind of lime high-efficiency desulfurization as claimed in claim 1 denitration recycles spray column, it is characterized in that: described gas outlet (12) are positioned at the upper end of spray column (1), air inlet (11) is positioned at the middle-end of spray column (1).
3. a kind of lime high-efficiency desulfurization as claimed in claim 1 denitration recycles spray column, it is characterized in that: described first shower (22), the second shower (23) are all connected with water main (21) with the 3rd shower (24), the first shower (22), the second shower (23) and the 3rd shower (24) are all provided with some shower nozzles (25).
4. a kind of lime high-efficiency desulfurization as claimed in claim 3 denitration recycles spray column, it is characterized in that: described second shower (23) is positioned between the first shower (22) and the 3rd shower (24), second shower (23) is in spiral shape is positioned at spray column (1), and described shower nozzle (25) adopts air atomizing shower nozzle.
5. a kind of lime high-efficiency desulfurization as claimed in claim 1 denitration recycles spray column, it is characterized in that: described centrifugal chamber (5) is provided with gypsum outlet (51), centrifugal chamber (5) is connected with feed reservoir (6) by centrifugal water pump (8).
6. a kind of lime high-efficiency desulfurization as claimed in claim 1 denitration recycles spray column, it is characterized in that: described feed reservoir (6) is connected with water main (21) by water pump (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510419875.XA CN104998536A (en) | 2015-07-16 | 2015-07-16 | Lime high-efficiency desulfurization denitration recycling spray tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510419875.XA CN104998536A (en) | 2015-07-16 | 2015-07-16 | Lime high-efficiency desulfurization denitration recycling spray tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104998536A true CN104998536A (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510419875.XA Pending CN104998536A (en) | 2015-07-16 | 2015-07-16 | Lime high-efficiency desulfurization denitration recycling spray tower |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2386874Y (en) * | 1999-03-16 | 2000-07-12 | 王连泽 | High efficiency desulfurization duster |
| CN2395784Y (en) * | 1999-11-27 | 2000-09-13 | 于文和 | Purifier for smoke dust and poison gas |
| CN2582736Y (en) * | 2002-12-19 | 2003-10-29 | 廖太升 | Single tower cyclone limestone-gypsum method desulfur equipment |
| JP2007051555A (en) * | 2005-08-16 | 2007-03-01 | Mitsui Eng & Shipbuild Co Ltd | Exhaust emission control device of diesel engine |
| CN101422695A (en) * | 2008-11-17 | 2009-05-06 | 杭州理想科技有限公司 | Large wet method double-path dense dilute fluid-supply desulfuration device and technique |
| JP4832778B2 (en) * | 2005-03-23 | 2011-12-07 | 本田技研工業株式会社 | Gas cooling device and gas cooling method |
| CN103406014A (en) * | 2013-08-08 | 2013-11-27 | 常州联慧资源环境科技有限公司 | Method for controlling water expansion and increasing concentration of desulfurization product clear solution for magnesium method flue gas desulphurization system |
| CN103768926A (en) * | 2014-01-18 | 2014-05-07 | 浙江诸暨泓泰环境科技有限公司 | Efficient desulfurization spraying tower |
| CN104162357A (en) * | 2014-08-13 | 2014-11-26 | 北京源深节能技术有限责任公司 | Integrated spray flue gas waste heat recovery and denitration device |
| CN204768249U (en) * | 2015-07-16 | 2015-11-18 | 汪大伟 | High -efficient SOx/NOx control cyclic utilization spray column of lime |
-
2015
- 2015-07-16 CN CN201510419875.XA patent/CN104998536A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2386874Y (en) * | 1999-03-16 | 2000-07-12 | 王连泽 | High efficiency desulfurization duster |
| CN2395784Y (en) * | 1999-11-27 | 2000-09-13 | 于文和 | Purifier for smoke dust and poison gas |
| CN2582736Y (en) * | 2002-12-19 | 2003-10-29 | 廖太升 | Single tower cyclone limestone-gypsum method desulfur equipment |
| JP4832778B2 (en) * | 2005-03-23 | 2011-12-07 | 本田技研工業株式会社 | Gas cooling device and gas cooling method |
| JP2007051555A (en) * | 2005-08-16 | 2007-03-01 | Mitsui Eng & Shipbuild Co Ltd | Exhaust emission control device of diesel engine |
| CN101422695A (en) * | 2008-11-17 | 2009-05-06 | 杭州理想科技有限公司 | Large wet method double-path dense dilute fluid-supply desulfuration device and technique |
| CN103406014A (en) * | 2013-08-08 | 2013-11-27 | 常州联慧资源环境科技有限公司 | Method for controlling water expansion and increasing concentration of desulfurization product clear solution for magnesium method flue gas desulphurization system |
| CN103768926A (en) * | 2014-01-18 | 2014-05-07 | 浙江诸暨泓泰环境科技有限公司 | Efficient desulfurization spraying tower |
| CN104162357A (en) * | 2014-08-13 | 2014-11-26 | 北京源深节能技术有限责任公司 | Integrated spray flue gas waste heat recovery and denitration device |
| CN204768249U (en) * | 2015-07-16 | 2015-11-18 | 汪大伟 | High -efficient SOx/NOx control cyclic utilization spray column of lime |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151028 |
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| RJ01 | Rejection of invention patent application after publication |