CN101164667B - Desulfurizing adsorption system - Google Patents
Desulfurizing adsorption system Download PDFInfo
- Publication number
- CN101164667B CN101164667B CN2007101203978A CN200710120397A CN101164667B CN 101164667 B CN101164667 B CN 101164667B CN 2007101203978 A CN2007101203978 A CN 2007101203978A CN 200710120397 A CN200710120397 A CN 200710120397A CN 101164667 B CN101164667 B CN 101164667B
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- Prior art keywords
- adsorption system
- tower
- desulfurizing adsorption
- resistant
- flue gas
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- 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.)
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- 230000003009 desulfurizing effect Effects 0.000 title claims description 28
- 238000001179 sorption measurement Methods 0.000 title claims description 28
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims description 15
- 239000000779 smoke Substances 0.000 claims description 12
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 7
- 229920005549 butyl rubber Polymers 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 27
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 23
- 239000003546 flue gas Substances 0.000 abstract description 23
- 230000023556 desulfurization Effects 0.000 abstract description 13
- 230000009194 climbing Effects 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 4
- 238000013475 authorization Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010977 unit operation Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000000505 pernicious effect Effects 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)
- Separation Of Gases By Adsorption (AREA)
Abstract
The present invention relates to a desulfurization absorption system. It has a desulfurization absorption column, the described desulfurization absorption column is characterized by that on the column wall above flue gas inlet in the column interior a high-temperature resistant structure is set, and the described desulfurization absorption system has no flue gas by-pass channel. When the machine unit of the described desulfurization absorption system is starded and said absorption column is being in failure condition, the boiler flue gas can not be discharged from by-pass channel, and is still fed into the absorption column to make desulfurization treatment. Because the upper portion of the desulfurization absorption inlet is equipped with a high-temperature resistant structure, so that it can prevent the high-temperature flue gas from climbing along the wall, therefore it can greatly reduce damage of high-temperature flue gas to interior structure of column.
Description
Technical field
The present invention relates to a kind of desulfurizing adsorption system.
Background technology
At home and abroad the desulfurizing adsorption system field of coal-burning power plant in desulfuration absorbing tower, often adopts the limewash slurries to absorb pernicious gases such as sulfur in smoke, by a series of operation, purifies flue gas, reduces the pollution to atmosphere.Thereby the inside on absorption tower is the high dielectric environment, thereby can produce strong corrosion to the metal tower wall on absorption tower, has reduced the service life on absorption tower, therefore often is coated with anti-corrosion material in the inwall on absorption tower, and the absorption tower wall is protected.Yet used anti-corrosion material all can not stand too high temperature at present, and therefore present desulfurizing adsorption system all is equipped with gas bypass, when flue-gas temperature is too high, can make flue gas by absorbing the bypass discharge and avoiding the absorption tower to damage like this.
Referring to Fig. 1, during normal the operation, for desulfurizing adsorption system 2 commonly used, from the flue gas of boiler by the former gas baffle door 22 of desulfuration absorbing tower (FGD) inlet, after booster fan 23 boosts, enter absorption tower 21 desulfurization, export clean gas baffle door 24 through the clean flue gas after the desulfurization through FGD, enter chimney 26, bypass this moment gas baffle door 25 is in closes; When unit starting and absorption tower accident condition; owing to flue-gas temperature height this moment; contain high dust and mist of oil in the flue gas; flue gas can not enter absorption tower 21; close former gas baffle door 22 of inlet and the clean gas baffle door 24 of outlet this moment, open bypass gas baffle door 25 fast, boiler smoke directly enters chimney 26 by gas bypass; do not enter absorption tower 21, absorption tower 21 is protected.
Desulfurizing adsorption system is equipped with gas bypass, though the absorption tower is protected, also steals row passage is provided for power plant's desulfurizer that do not put into operation.
For this reason, a kind of desulfurizing adsorption system of practical necessary exploitation is to address the above problem.
Summary of the invention
The object of the present invention is to provide a kind of pollution that can reduce, stopped the possibility of the desulfurizer of stopping transport without authorization in the unit operation, the desulfurizing adsorption system of technical guarantee is provided for environmental protection monitoring in real time atmosphere.
For achieving the above object, desulfuration absorbing tower of the present invention is design like this:
A kind of desulfurizing adsorption system, it comprises desulfuration absorbing tower, described desulfuration absorbing tower is provided with high-temperature-resistant structure on the tower wall more than the smoke inlet in tower, and described desulfurizing adsorption system does not have gas bypass.
Preferably, in one embodiment of the invention, described high-temperature-resistant structure is along all continuous distributed in the tower wall or discontinuously arranged bulge-structure.Preferably, in another embodiment of the present invention, the cross section of described bulge-structure is a triangle.More preferably, described bulge-structure is made by steel alloy.
Preferably, has the exotic material layer on the inwall of described desulfuration absorbing tower.More preferably, described exotic material is a butyl rubber.
Preferably, in one embodiment of the invention, resistant to elevated temperatures shower is set in the described desulfuration absorbing tower.More preferably, described resistant to elevated temperatures shower outer wall has steel alloy.
Preferably, in one embodiment of the invention, resistant to elevated temperatures demister is set in the described desulfuration absorbing tower.More preferably, the blade material of described resistant to elevated temperatures demister adopts fiberglass (FRP) material to make.
A kind of desulfurizing adsorption system of the present invention is when unit starting, absorption tower accident conditions, boiler smoke is not owing to there is bypass to discharge, will enter the absorption tower desulfurization handles, because the above tower wall of the smoke inlet of described desulfuration absorbing tower is provided with the heatproof structure, prevented that the attached wall of high-temperature flue gas from climbing, and weakened the harm of high-temperature flue gas to the tower internal structure greatly.Make high-temperature flue gas can enter the absorption tower and carry out the desulfurization processing, the clean flue gas through after the desulfurization enters atmosphere by chimney (or cooling tower), reduces the pollution to atmosphere; Also stopped simultaneously the possibility of the desulfurizer of stopping transport without authorization in the unit operation, for environmental protection monitoring in real time provides technical guarantee.
Description of drawings
Below, will be further described in detail specific embodiments of the present invention in conjunction with the accompanying drawings, wherein:
Fig. 1 is the schematic diagram that is provided with the desulphurization absorption tower system of gas bypass;
Fig. 2 is the schematic diagram of desulfuration absorbing tower in the desulfurizing adsorption system of the present invention;
Fig. 3 is according in the desulfurizing adsorption system of the present invention, the schematic diagram of the bulge-structure on the tower wall more than the desulfuration absorbing tower smoke inlet;
Fig. 4 is according to the high temperature resistant demister schematic diagram in one embodiment of the invention.
The specific embodiment
According to a kind of desulfurizing adsorption system of the present invention, it comprises desulfuration absorbing tower, and described desulfuration absorbing tower is provided with high-temperature-resistant structure on the tower wall more than the smoke inlet in tower, and described desulfurizing adsorption system does not have gas bypass.Described high-temperature-resistant structure is made by exotic material, can prevent that the attached wall of high-temperature flue gas from climbing, directly, in large area the desulfuration absorbing tower internal structure is exerted an influence.This high-temperature-resistant structure can be the bulge-structure that is located at inlet top, absorption tower, and the cross section of described bulge-structure can be triangle, arc etc.Described high-temperature-resistant structure can be made by steel alloy.At one preferably in the specific embodiment, described bulge-structure is along all continuous distributed or discontinuously arranged in the tower wall.For example, be provided with several bulge-structures on the tower wall in tower more than the smoke inlet, perhaps along the closed hoop bulge-structure of all continuous distributed in the tower wall.
See also Fig. 2,3, according to a kind of desulfurizing adsorption system of the present invention, it comprises desulfuration absorbing tower 1, and described desulfuration absorbing tower 1 is provided with bulge-structure 12 on the tower wall more than the smoke inlet in tower, and the cross section of described bulge-structure is a triangle; Be provided with resistant to elevated temperatures shower 14 and resistant to elevated temperatures demister 16 in the inside on described absorption tower 1.
See also Fig. 3, described bulge-structure 12 is made by steel alloy 122.Having on the inwall of described desulfuration absorbing tower 1 has exotic material layer 13.In one embodiment, described exotic material is a butyl rubber.
Preferably, described resistant to elevated temperatures shower 14 outer walls are provided with heat-resistant layer.In another embodiment, described resistant to elevated temperatures shower outer wall has steel alloy.
See also Fig. 4, described resistant to elevated temperatures demister 16 comprises support 162 and the blade 164 that is located on the support 162.In a preferred embodiment, described blade material adopts the FRP material.
See also Fig. 2,3,4, in use,, must transport to desulfuration absorbing tower 1 from former flue from the flue gas of boiler because desulfurizing adsorption system of the present invention do not establish gas bypass.After high-temperature flue gas enters desulfuration absorbing tower 1 by smoke inlet, under the stopping of bulge-structure 12, prevent that the rapid attached wall of high-temperature flue gas from climbing, high-temperature flue gas is collected at the tower body bottom that contains slurries, can carry out to a certain degree cooling to high-temperature flue gas.
When unit start and stop, accident conditions, boiler smoke must carry out desulfurization by the absorption tower to be handled, and has reduced the pollution to atmosphere; Also stopped simultaneously the possibility of the desulfurizer of stopping transport without authorization in the unit operation, social benefit and economic benefit have all been had very big income.
Though describe the present invention in detail with reference to specific embodiments, it is pointed out that these embodiments only are used for understanding better the present invention.It will be apparent to those skilled in that under situation without departing from the spirit and scope of the present invention, making some variations and revise on the basis of the foregoing description all is the scope that the present invention protected.
Claims (9)
1. desulfurizing adsorption system, it comprises desulfuration absorbing tower, it is characterized in that, described desulfuration absorbing tower is provided with high-temperature-resistant structure on the tower wall more than the smoke inlet in tower, and described desulfurizing adsorption system does not have gas bypass, wherein, described high-temperature-resistant structure is along all continuous distributed in the tower wall or discontinuously arranged bulge-structure.
2. desulfurizing adsorption system according to claim 1 is characterized in that, the cross section of described bulge-structure is a triangle.
3. desulfurizing adsorption system according to claim 2 is characterized in that described bulge-structure is made by steel alloy.
4. desulfurizing adsorption system according to claim 3 is characterized in that, has the exotic material layer on the inwall of described desulfuration absorbing tower.
5. desulfurizing adsorption system according to claim 4 is characterized in that, described exotic material is a butyl rubber.
6. desulfurizing adsorption system according to claim 5 is characterized in that, resistant to elevated temperatures shower is set in the described desulfuration absorbing tower.
7. desulfurizing adsorption system according to claim 6 is characterized in that, described resistant to elevated temperatures shower outer wall has steel alloy.
8. desulfurizing adsorption system according to claim 7 is characterized in that, resistant to elevated temperatures demister is set in the described desulfuration absorbing tower.
9. desulfurizing adsorption system according to claim 8 is characterized in that, the blade material of described resistant to elevated temperatures demister adopts glass-reinforced plastic material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101203978A CN101164667B (en) | 2007-08-17 | 2007-08-17 | Desulfurizing adsorption system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101203978A CN101164667B (en) | 2007-08-17 | 2007-08-17 | Desulfurizing adsorption system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101164667A CN101164667A (en) | 2008-04-23 |
| CN101164667B true CN101164667B (en) | 2010-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101203978A Active CN101164667B (en) | 2007-08-17 | 2007-08-17 | Desulfurizing adsorption system |
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| CN (1) | CN101164667B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527159A (en) * | 2012-02-20 | 2012-07-04 | 无锡翱翔环保机械有限公司 | Dewatering barrel structure for desulfurization system |
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- 2007-08-17 CN CN2007101203978A patent/CN101164667B/en active Active
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| Publication number | Publication date |
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| CN101164667A (en) | 2008-04-23 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20090612 Address after: 4 floor, intercontinental tower 16, ande Road, Dongcheng District, Beijing, zip code: 100011 Applicant after: China Shenhua Energy Co Co-applicant after: Shenhua Guohua (Beijing) Electric Power Research Institute Co., Ltd. Address before: 4 floor, intercontinental tower 16, ande Road, Dongcheng District, Beijing, zip code: 100011 Applicant before: China Shenhua Energy Co Co-applicant before: Beijing Guohua Electric Power Engineering Technology Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |