CN104524963A - Sintering flue gas desulfurization and denitration combined system - Google Patents
Sintering flue gas desulfurization and denitration combined system Download PDFInfo
- Publication number
- CN104524963A CN104524963A CN201410709009.XA CN201410709009A CN104524963A CN 104524963 A CN104524963 A CN 104524963A CN 201410709009 A CN201410709009 A CN 201410709009A CN 104524963 A CN104524963 A CN 104524963A
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- CN
- China
- Prior art keywords
- tower
- pipeline
- flue gas
- combined system
- gas desulfurization
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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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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000003546 flue gas Substances 0.000 title claims abstract description 23
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 21
- 230000023556 desulfurization Effects 0.000 title claims abstract description 21
- 238000005245 sintering Methods 0.000 title claims abstract description 12
- 239000000428 dust Substances 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 239000004744 fabric Substances 0.000 claims abstract description 10
- 230000003009 desulfurizing effect Effects 0.000 claims description 23
- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims description 12
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 7
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 7
- 239000004571 lime Substances 0.000 claims description 7
- 239000011435 rock Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 235000019738 Limestone Nutrition 0.000 abstract description 5
- 239000006028 limestone Substances 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000029087 digestion Effects 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 239000003517 fume Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The invention relates to a sintering flue gas desulfurization and denitration combined system including a first draught fan, a limestone tower, a limestone digestion device, a desulfurization tower, a recycle cloth bag, a denitration tower, a first dedusting filter, a second draught fan, a heating pipe, a second dedusting filter, a dryer, and pipelines; the first draught fan is connected with the desulfurization tower through the pipeline; the first dedusting filter is arranged on the pipeline connecting the first draught fan and the desulfurization tower; the limestone tower is arranged on the desulfurization tower through the limestone digestion tower; the recycle cloth bag is arranged below the desulfurization tower; the second draught fan is arranged on the pipeline connecting the desulfurization tower and the denitration tower; the pipeline connecting the second draught fan and the denitration tower is provided with the heating pipe and the second dedusting filter; a gas outlet pipeline of the denitration tower is provided with the dryer. The system can effectively prevent the accumulation of dust in the flue gas pipelines, can effectively prevent corrosion of follow-up pipelines and equipment, and has the advantages of relatively simple structure, relatively low production cost, and good applicability.
Description
Technical field
The invention belongs to atmosphere polluting controling technology field, particularly relate to a kind of sintering flue gas desulfurization denitration combined system.
Background technology
At present, antipollution importance, have been carried out shrilly as worldwide problem.The development of producing along with modern industry and growth in the living standard, atmosphere pollution has become the problem that people extremely pay close attention to, sulfur dioxide and nitrogen oxide NOX are one of important pollution sources of air, its contamination hazard is very large, therefore in the seventies, research flue gas desulfurization and denitrification is classified as the emphasis of Air Pollution prevention and control by many countries, existing flue gas desulfurization and denitrification technology is also progressively ripe, but in existing desulfur technology, the accumulation of dust in pipeline and equipment that dry method or wet desulphurization all can not prevent in flue gas, larger to the infringement of pipeline and equipment; And the secondary pollution of SCR denitration method is little, purification efficiency is high, technology maturation, but the easy dewing corrosion follow-up equipment of flue gas and pipeline.
Summary of the invention
The present invention for solve in known technology the technical problem that exists and provide a kind of structure simple, can the good sintering flue gas desulfurization denitration combined system of available protecting pipeline and equipment, applicability.
The technical scheme that the present invention takes for the technical problem existed in solution known technology is:
This system comprises the first blower fan, lime rock tower, lime carbonate slaking apparatus, desulfurizing tower, reclaims cloth bag, denitrating tower, the first dust removal filter, the second blower fan, heating tube, the second dust removal filter, drier, pipeline; First blower and pipeline is connected with desulfurizing tower, in the pipeline that first dust removal and filtration apparatus is connected with desulfurizing tower at the first blower fan, lime rock tower passes through lime carbonate slaking tower apparatus on desulfurizing tower, reclaim cloth bag device below desulfurizing tower, on the pipeline that second blower fan apparatus is connected with denitrating tower at desulfurizing tower, in the pipeline that the second blower fan is connected with denitrating tower, be provided with heating tube and the second dust removal filter, the outlet pipe of denitrating tower is provided with drier.
Lime carbonate slaking apparatus is wherein with heating function.
The pipeline opening that the top of desulfurizing tower is wherein connected with lime carbonate slaking apparatus is with dispenser valve.
Denitrating tower is wherein SCR reaction tower.
The advantage that the present invention has and good effect are: can when the discharge of sinter fume, reach the object of desulphurization denitration, the absorption of dust has been carried out respectively when carrying out desulphurization denitration, effectively prevent the accumulation of dust in flue, after denitrating flue gas, drying process is carried out to flue gas, effectively prevent the corrosion of subsequent pipeline and equipment.This system architecture is fairly simple, and production cost is lower, has good applicability.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of sintering flue gas desulfurization denitration combined system provided by the invention;
In figure: 1, the first blower fan; 2, lime rock tower; 3, lime carbonate slaking apparatus; 4, desulfurizing tower; 5, cloth bag is reclaimed; 6, denitrating tower; 7, the first dust removal filter; 8, the second blower fan; 9, heating tube; 10, the second dust removal filter; 11, drier; 12, pipeline.
Detailed description of the invention
For content of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Embodiment 1: Fig. 1 is the structural representation of a kind of sintering flue gas desulfurization denitration combined system provided by the invention, and this system comprises the first blower fan 1, lime rock tower 2, lime carbonate slaking apparatus 3, desulfurizing tower 4, reclaims cloth bag 5, denitrating tower 6, first dust removal filter 7, second blower fan 8, heating tube 9, the second dust removal filter 10, drier 11, pipeline 12; First blower fan 1 is connected with desulfurizing tower 4 by pipeline 12, in the pipeline 12 that first dust removal filter 7 device is connected with desulfurizing tower 4 at the first blower fan 1, lime rock tower 2 passes through lime carbonate slaking tower 3 device on desulfurizing tower 4, reclaim cloth bag 5 device below desulfurizing tower 4, on the pipeline 12 that second blower fan 8 device is connected with denitrating tower 6 at desulfurizing tower 4, in the pipeline 12 that the second blower fan 8 is connected with denitrating tower 6, be provided with heating tube 9 and the second dust removal filter 10, the outlet pipe 12 of denitrating tower 6 is provided with drier 11.
Sinter fume is by the first blower fan 1 air blast, desulfurizing tower 4 is entered by the first dust removal filter 7, lime stone becomes CaO by lime carbonate slaking apparatus 3 heating decomposes, sprinkling enters desulfurizing tower 4, reacts with the sulfur dioxide in sinter fume, and reaction solidfied material enters recovery cloth bag 5 and recycles, after flue gas carries out desulfurization, enter denitrating tower 6 by the second blower fan 8 air blast by heating tube 9 and the second dust removal filter 10, carry out after denitration completes, entering subsequent pipeline or equipment through drier 11 at flue gas.
The advantage that the present invention has and good effect are: can when the discharge of sinter fume, reach the object of desulphurization denitration, the absorption of dust has been carried out respectively when carrying out desulphurization denitration, effectively prevent the accumulation of dust in flue, after denitrating flue gas, drying process is carried out to flue gas, effectively prevent the corrosion of subsequent pipeline and equipment.This system architecture is fairly simple, and production cost is lower, has good applicability.
The above is only to preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (4)
1. a sintering flue gas desulfurization denitration combined system, is characterized in that, this sintering flue gas desulfurization denitration combined system comprises the first blower fan, lime rock tower, lime carbonate slaking apparatus, desulfurizing tower, reclaim cloth bag, denitrating tower, the first dust removal filter, the second blower fan, heating tube, second dust removal filter, drier, pipeline; First blower and pipeline is connected with desulfurizing tower, in the pipeline that first dust removal and filtration apparatus is connected with desulfurizing tower at the first blower fan, lime rock tower passes through lime carbonate slaking tower apparatus on desulfurizing tower, reclaim cloth bag device below desulfurizing tower, on the pipeline that second blower fan apparatus is connected with denitrating tower at desulfurizing tower, in the pipeline that the second blower fan is connected with denitrating tower, be provided with heating tube and the second dust removal filter, the outlet pipe of denitrating tower is provided with drier.
2. sintering flue gas desulfurization denitration combined system according to claim 1, it is characterized in that, lime carbonate slaking apparatus is with heating function.
3. sintering flue gas desulfurization denitration combined system according to claim 1, is characterized in that, the pipeline opening that the top of desulfurizing tower is connected with lime carbonate slaking apparatus is with dispenser valve.
4. sintering flue gas desulfurization denitration combined system according to claim 1, is characterized in that, denitrating tower is SCR reaction tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410709009.XA CN104524963A (en) | 2014-12-01 | 2014-12-01 | Sintering flue gas desulfurization and denitration combined system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410709009.XA CN104524963A (en) | 2014-12-01 | 2014-12-01 | Sintering flue gas desulfurization and denitration combined system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104524963A true CN104524963A (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410709009.XA Pending CN104524963A (en) | 2014-12-01 | 2014-12-01 | Sintering flue gas desulfurization and denitration combined system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104524963A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032093A (en) * | 2015-07-07 | 2015-11-11 | 江苏广鸿环境工程有限公司 | Industrial boiler desulfurization, denitrification and dust removal integrated device and process |
| CN105233672A (en) * | 2015-11-05 | 2016-01-13 | 云南蓝澈科技有限公司 | Denitration and decarburization device for sintering flue gas and process thereof |
| CN106540533A (en) * | 2015-09-17 | 2017-03-29 | 哈尔滨市金京锅炉有限公司 | A kind of stage purifying device of Boiler Manufacturing Industry waste gas |
| CN112221267A (en) * | 2020-10-10 | 2021-01-15 | 河南博清大气治理设计研究院有限公司 | Desulfurizing tower with air primary filter device |
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| US6403046B1 (en) * | 1999-07-26 | 2002-06-11 | Hera, Llc | Pollution control systems using urea and ammonia for the control of emissions from the flue gas of fossil fuel burning facilities |
| CN101306305A (en) * | 2008-07-13 | 2008-11-19 | 兖矿国宏化工有限责任公司 | Fume eject-calcium desulfurizing techinique in pulverized coal fired boiler |
| CN102735070A (en) * | 2012-07-07 | 2012-10-17 | 江苏中建材环保研究院有限公司 | Desulfurization and denitrification afterheat power generation systematization device of glass melter flue gas |
| CN102886203A (en) * | 2012-11-08 | 2013-01-23 | 福建龙净脱硫脱硝工程有限公司 | Flue gas desulfurization and demercuration method |
| CN103055693A (en) * | 2012-12-26 | 2013-04-24 | 老河口市绿华环保科技有限公司 | Flue gas cleaning tower and flue gas cleaning method thereof |
| CN202942800U (en) * | 2012-12-06 | 2013-05-22 | 首钢总公司 | Desulfurization and denitrification combined system for sintering flue gas |
| CN103446860A (en) * | 2013-08-30 | 2013-12-18 | 哈尔滨金大环境工程有限公司 | Flue gas desulfurization purification system |
-
2014
- 2014-12-01 CN CN201410709009.XA patent/CN104524963A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6403046B1 (en) * | 1999-07-26 | 2002-06-11 | Hera, Llc | Pollution control systems using urea and ammonia for the control of emissions from the flue gas of fossil fuel burning facilities |
| CN101306305A (en) * | 2008-07-13 | 2008-11-19 | 兖矿国宏化工有限责任公司 | Fume eject-calcium desulfurizing techinique in pulverized coal fired boiler |
| CN102735070A (en) * | 2012-07-07 | 2012-10-17 | 江苏中建材环保研究院有限公司 | Desulfurization and denitrification afterheat power generation systematization device of glass melter flue gas |
| CN102886203A (en) * | 2012-11-08 | 2013-01-23 | 福建龙净脱硫脱硝工程有限公司 | Flue gas desulfurization and demercuration method |
| CN202942800U (en) * | 2012-12-06 | 2013-05-22 | 首钢总公司 | Desulfurization and denitrification combined system for sintering flue gas |
| CN103055693A (en) * | 2012-12-26 | 2013-04-24 | 老河口市绿华环保科技有限公司 | Flue gas cleaning tower and flue gas cleaning method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032093A (en) * | 2015-07-07 | 2015-11-11 | 江苏广鸿环境工程有限公司 | Industrial boiler desulfurization, denitrification and dust removal integrated device and process |
| CN106540533A (en) * | 2015-09-17 | 2017-03-29 | 哈尔滨市金京锅炉有限公司 | A kind of stage purifying device of Boiler Manufacturing Industry waste gas |
| CN105233672A (en) * | 2015-11-05 | 2016-01-13 | 云南蓝澈科技有限公司 | Denitration and decarburization device for sintering flue gas and process thereof |
| CN112221267A (en) * | 2020-10-10 | 2021-01-15 | 河南博清大气治理设计研究院有限公司 | Desulfurizing tower with air primary filter device |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: WANG LIXIAN LIN LI Effective date: 20150604 Owner name: FUJIAN ZHONGMEI CHEMICAL ENVIRONMENTAL PROTECTION Free format text: FORMER OWNER: LIN DINGHUA Effective date: 20150604 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20150604 Address after: Or Central Huijin No. 1 Guangming Road Taijiang District of Fuzhou City, Fujian province 350001 10 unit 12 Applicant after: FUJIAN ZHONGMEI CHEMICAL ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Address before: Acer village five building 301 room 350001 rich Fujian province Sanming City Fuxing District three Yuan Bao Applicant before: Lin Dinghua Applicant before: Wang Lixian Applicant before: Lin Li |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: FUJIAN ZHONGMEI CHEMICAL ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Document name: Notification of Passing Examination on Formalities |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150422 |