CN2917758Y - Smoke gas pulse discharge desulfurization and denitration unit of coal-fired boiler - Google Patents
Smoke gas pulse discharge desulfurization and denitration unit of coal-fired boiler Download PDFInfo
- Publication number
- CN2917758Y CN2917758Y CN 200620073953 CN200620073953U CN2917758Y CN 2917758 Y CN2917758 Y CN 2917758Y CN 200620073953 CN200620073953 CN 200620073953 CN 200620073953 U CN200620073953 U CN 200620073953U CN 2917758 Y CN2917758 Y CN 2917758Y
- Authority
- CN
- China
- Prior art keywords
- reactor
- cooling tower
- smoke
- electron gun
- ammonia
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000779 smoke Substances 0.000 title claims abstract description 10
- 238000006477 desulfuration reaction Methods 0.000 title 1
- 230000023556 desulfurization Effects 0.000 title 1
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 239000003245 coal Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 239000003517 fume Substances 0.000 claims description 8
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 12
- 229910021529 ammonia Inorganic materials 0.000 abstract description 6
- 239000003337 fertilizer Substances 0.000 abstract description 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Inorganic materials [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 abstract description 2
- 230000003009 desulfurizing effect Effects 0.000 abstract 2
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 abstract 1
- 239000011229 interlayer Substances 0.000 abstract 1
- 239000003595 mist Substances 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 235000010333 potassium nitrate Nutrition 0.000 abstract 1
- 150000003254 radicals Chemical class 0.000 abstract 1
- 239000003546 flue gas Substances 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 229940095054 ammoniac Drugs 0.000 description 1
- PRORZGWHZXZQMV-UHFFFAOYSA-N azane;nitric acid Chemical compound N.O[N+]([O-])=O PRORZGWHZXZQMV-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a pulse-discharging desulfurizing and denitration device for smoke of coal boiler, which is made up mainly of cooling tower, water nozzle, smoke tube, ammonia nozzle, cyclone, electron gun, reactor, high-frequency power source, electric deduster, suction fan, chimney, and fertilizer chamber. The smoke exhausted by the boiler is sprayed by water mist after entering the cooling towel, which cools temperature of the smoke to proper temperature for desulfurizing and denitration. Pulse discharge is finished in interlayer of outer bushing of the reactor to gain free radical of OH<+>+H<->, and saltpeter ammonia and sulfurized ammonia fertilizer can be produced by oxidizing SO<2>and NO<x> when ammonia is sprayed, which exhibits great economic benefit.
Description
Technical field
The utility model belongs to the boiler flue gas purification equipment technical field.Be specifically related to the fire coal boiler fume pulsed discharge separation of flow denitrification apparatus of a kind of sulfur in smoke and purification of nitrogen oxides.
Background technology
Fire coal boiler fume pulsed discharge flue gases purification is one of brainstorm subject of studying both at home and abroad at present.It is provided with generally is made up of smoke cooling tower, ammonia throwing device, pulsed high voltage generator, reactor, five formant structures of accessory substance gathering-device, the problem of its existence is that reactor adopts plank frame, breakdown voltage is up to 800KV, the manufacturing cost height, and flue gas flow is non-adjustable.
Summary of the invention
The purpose of this utility model provides a kind of coal-burning boiler pulsed discharge desulfuring and denitrifying apparatus, overcomes the high shortcoming of original technology breakdown voltage, thereby reduces manufacturing cost.
The utility model is realized with following technical scheme: a kind of fire coal boiler fume pulsed discharge desulfuring and denitrifying apparatus, it mainly comprises cooling tower and is positioned on the flue of sprinkler head, reactor, connection cooling tower and reactor in the cooling tower, the ammoniacal liquor shower nozzle is housed in flue, be installed in the electron gun in the reactor and be the chimney of the electric cleaner that connects successively, air-introduced machine, smoke discharging after electron gun provides frequency high voltage power supply, reactor, it is characterized in that, around the ammoniacal liquor shower nozzle, be equiped with the vane type cyclone; Described reactor is made up of outer sleeve and inner sleeve, and some electron guns are housed on outer sleeve.
Described electron gun is made up of the inner conduit that a tubular outer tube and an end are installed in the outer tube, and the ease water pipe is arranged on the tube wall of outer tube.
The beneficial effects of the utility model are: reactor is that inside and outside sleeve is formed, and can determine the breakdown voltage of electron gun by the gap between the adjustment inside and outside sleeve; Overcome original technology breakdown voltage height and can not adjust the shortcoming that makes cost high.Adapt to flue gas flow by changing the inside and outside sleeve diameter.Greatly reduce the cost of device.
Description of drawings
Be described in further detail structure of the present utility model below in conjunction with drawings and Examples.
Fig. 1 is the utility model structural representation;
Fig. 2 is the electron gun structure schematic diagram.
Among the figure: 1, cooling tower, 2, sprinkler head, 3, flue, 4, ammoniacal liquor shower nozzle, 5, cyclone, 6, electron gun, 7, reactor, 7-1, outer sleeve, 7-2 inner sleeve, 8, frequency high voltage power supply, 9, electric cleaner, 10, air-introduced machine, 11, chimney, 12, the chemical fertilizer storehouse, the 6-1 outer tube, 6-2 inner conduit, the 6-3 water pipe that escapes.
The specific embodiment
As shown in Figure 1, fire coal boiler fume pulsed discharge desulfuring and denitrifying apparatus comprises cooling tower 1, and sprinkler head 2 is housed in cooling tower, and the top of cooling tower 1 is provided with gas approach.Cooling tower 1 is communicated with reactor 7 by flue 3, and ammoniacal liquor shower nozzle 4 is housed in flue 3, and vane type cyclone 5 is installed around the ammoniacal liquor shower nozzle 4.Reactor 7 is made up of outer sleeve 7-1 and the inner sleeve 7-2 that is contained in the outer sleeve, and plural at least some electron guns 6 are housed between the gap of inside and outside sleeve, and electron gun 6 is electrically connected with the frequency high voltage power supply 8 that electric energy is provided to it.Gap between inside and outside sleeve determines that according to breakdown voltage the diameter of inside and outside sleeve is determined according to flue gas flow.Be electric cleaner 9 behind the reactor, electric cleaner 9 bottoms are communicated with chemical fertilizer storehouse 12, and the air-introduced machine 10 of being convenient to smoke discharging also is housed in the passage between chimney 11 and electric cleaner 9.
As shown in Figure 2, electron gun 6 is made up of the inner conduit 6-2 that an outer tube 6-1 and an end are contained in the outer tube 6-1, and the ease water pipe 3 that is communicated with the outer tube inner chamber is arranged on the tube wall of outer tube 6-1.Make of resistant material.
Native system operation principle and process are as follows: fire coal boiler fume enters cooling tower 1 and adopts quantitative sprinkler head 2 to cooling tower 1 water spray and make its temperature reduce to about 65 degree of the flue-gas temperature that helps reacting behind electric precipitation, between reactor jacket tube 7 and inner sleeve 8 by electron gun 6 and NO
XCarry out oxidation reaction and generate nitric acid HNO
3And sulfuric acid H
2SO
4, under spray ammonia condition, close reaction in the generation and produce nitric acid ammonia and sulfate of ammoniac, realize the sulphur denitration of flue gas sulphur and gone into the combination utilization that the sulphur resource is gone into the nitre resource.
Claims (2)
1, a kind of fire coal boiler fume pulsed discharge desulfuring and denitrifying apparatus, it mainly comprises cooling tower (1), the sprinkler head (2) of device in cooling tower, reactor (7), the flue (3) that is communicated with cooling tower and reactor, ammoniacal liquor shower nozzle (4) is housed in flue (3), be installed in the electron gun (6) in the reactor (7) and the frequency high voltage power supply (14) of power supply is provided to electron gun, it behind the reactor (7) electric cleaner (9) that connects successively, air-introduced machine (10), the chimney of smoke discharging (11), it is characterized in that, be equiped with vane type cyclone (5) on every side at ammoniacal liquor shower nozzle (4); Described reactor (7) is made up of outer sleeve (7-1) and the inner sleeve (7-2) that is sleeved in the outer sleeve (7-1), and some electron guns (6) are housed between the gap of inside and outside sleeve.
2, fire coal boiler fume pulsed discharge desulfuring and denitrifying apparatus according to claim 1, it is characterized in that described electron gun (6) is installed in the interior inner conduit (6-2) of outer tube (6-1) by a tubular outer tube (6-1) and an end and forms, ease water pipe (6-3) is arranged on the tube wall of outer tube (6-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620073953 CN2917758Y (en) | 2006-06-13 | 2006-06-13 | Smoke gas pulse discharge desulfurization and denitration unit of coal-fired boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620073953 CN2917758Y (en) | 2006-06-13 | 2006-06-13 | Smoke gas pulse discharge desulfurization and denitration unit of coal-fired boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2917758Y true CN2917758Y (en) | 2007-07-04 |
Family
ID=38215563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620073953 Expired - Lifetime CN2917758Y (en) | 2006-06-13 | 2006-06-13 | Smoke gas pulse discharge desulfurization and denitration unit of coal-fired boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2917758Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101992023A (en) * | 2009-08-20 | 2011-03-30 | (株)安城精机 | Integrated flue gas-purifying apparatus by using old or existing electric dust collector |
| CN102847396A (en) * | 2012-04-19 | 2013-01-02 | 绍兴文理学院 | Coal-fired flue gas plasma purification device and purification method thereof |
| CN103736376A (en) * | 2013-12-25 | 2014-04-23 | 河南金土地煤气工程有限公司 | Low-temperature desulfurization and denitrification device and method |
-
2006
- 2006-06-13 CN CN 200620073953 patent/CN2917758Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101992023A (en) * | 2009-08-20 | 2011-03-30 | (株)安城精机 | Integrated flue gas-purifying apparatus by using old or existing electric dust collector |
| CN102847396A (en) * | 2012-04-19 | 2013-01-02 | 绍兴文理学院 | Coal-fired flue gas plasma purification device and purification method thereof |
| CN103736376A (en) * | 2013-12-25 | 2014-04-23 | 河南金土地煤气工程有限公司 | Low-temperature desulfurization and denitrification device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XUZHOU COMBUSTION CONTROL RESEARCH INSTITUTE CO.,L Free format text: FORMER OWNER: WANG AISHENG Effective date: 20091218 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20091218 Address after: No. 12 Yang Shan Road, Xuzhou Economic Development Zone, Jiangsu Province, China: 221004 Patentee after: Xuzhou Combustion Control Research Institute Co., Ltd. Address before: Jiangsu province Xuzhou city Taishan Road No. 31 village Jicui Combustion Control Institute, zip code: 221000 Co-patentee before: Wang Yuanyuan Patentee before: Wang AI Sheng |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 221004 No. 12 Yang Shan Road, Xuzhou Economic Development Zone, Jiangsu, China Patentee after: XUZHOU KERONG ENVIRONMENTAL RESOURCES CO., LTD. Address before: 221004 No. 12 Yang Shan Road, Xuzhou Economic Development Zone, Jiangsu, China Patentee before: Xuzhou Combustion Control Research Institute Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070704 |
|
| EXPY | Termination of patent right or utility model |