CN1619246A - Method of avoiding low temperature corrosion of boiler air preheater - Google Patents
Method of avoiding low temperature corrosion of boiler air preheater Download PDFInfo
- Publication number
- CN1619246A CN1619246A CNA2004100862391A CN200410086239A CN1619246A CN 1619246 A CN1619246 A CN 1619246A CN A2004100862391 A CNA2004100862391 A CN A2004100862391A CN 200410086239 A CN200410086239 A CN 200410086239A CN 1619246 A CN1619246 A CN 1619246A
- Authority
- CN
- China
- Prior art keywords
- air preheater
- boiler
- cold end
- flue
- end corrosion
- 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.)
- Granted
Links
- 230000007797 corrosion Effects 0.000 title claims abstract description 32
- 238000005260 corrosion Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003546 flue gas Substances 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims description 32
- 238000001816 cooling Methods 0.000 claims description 5
- 239000010902 straw Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 239000000446 fuel Substances 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 239000002609 medium Substances 0.000 description 14
- 238000012423 maintenance Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000012736 aqueous medium Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Air Supply (AREA)
Abstract
Description
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100862391A CN100541000C (en) | 2004-10-28 | 2004-10-28 | A kind of method of avoiding low temperature corrosion of boiler air preheater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100862391A CN100541000C (en) | 2004-10-28 | 2004-10-28 | A kind of method of avoiding low temperature corrosion of boiler air preheater |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1619246A true CN1619246A (en) | 2005-05-25 |
CN100541000C CN100541000C (en) | 2009-09-16 |
Family
ID=34766023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100862391A Active - Reinstated CN100541000C (en) | 2004-10-28 | 2004-10-28 | A kind of method of avoiding low temperature corrosion of boiler air preheater |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100541000C (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103380329A (en) * | 2011-02-25 | 2013-10-30 | 三菱重工业株式会社 | Boiler plant |
CN104122193A (en) * | 2014-07-25 | 2014-10-29 | 西安交通大学 | Device for synchronously monitoring low-temperature corrosion process and state of flue gas cooler online |
CN106439779A (en) * | 2016-10-10 | 2017-02-22 | 无锡华光锅炉股份有限公司 | Device for preventing low-temperature corrosion of boiler air preheater |
CN106765015A (en) * | 2016-12-22 | 2017-05-31 | 江联重工集团股份有限公司 | One kind prevents the biomass fluid bed boiler of low-temperature corrosion of air preheater and system |
CN107013900A (en) * | 2017-05-22 | 2017-08-04 | 恩极而(上海)能源科技有限公司 | It is a kind of with the boiler air preheating device and its pre-heating mean that condensate is medium |
CN113639260A (en) * | 2021-08-10 | 2021-11-12 | 中国电建集团河北省电力勘测设计研究院有限公司 | Biomass boiler flue gas waste heat recovery system |
-
2004
- 2004-10-28 CN CNB2004100862391A patent/CN100541000C/en active Active - Reinstated
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103380329A (en) * | 2011-02-25 | 2013-10-30 | 三菱重工业株式会社 | Boiler plant |
CN103380329B (en) * | 2011-02-25 | 2016-06-22 | 三菱重工业株式会社 | Boiler plant |
CN104122193A (en) * | 2014-07-25 | 2014-10-29 | 西安交通大学 | Device for synchronously monitoring low-temperature corrosion process and state of flue gas cooler online |
CN106439779A (en) * | 2016-10-10 | 2017-02-22 | 无锡华光锅炉股份有限公司 | Device for preventing low-temperature corrosion of boiler air preheater |
CN106765015A (en) * | 2016-12-22 | 2017-05-31 | 江联重工集团股份有限公司 | One kind prevents the biomass fluid bed boiler of low-temperature corrosion of air preheater and system |
CN107013900A (en) * | 2017-05-22 | 2017-08-04 | 恩极而(上海)能源科技有限公司 | It is a kind of with the boiler air preheating device and its pre-heating mean that condensate is medium |
CN113639260A (en) * | 2021-08-10 | 2021-11-12 | 中国电建集团河北省电力勘测设计研究院有限公司 | Biomass boiler flue gas waste heat recovery system |
CN113639260B (en) * | 2021-08-10 | 2023-08-15 | 中国电建集团河北省电力勘测设计研究院有限公司 | Biomass boiler flue gas waste heat recovery system |
Also Published As
Publication number | Publication date |
---|---|
CN100541000C (en) | 2009-09-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C57 | Notification of unclear or unknown address | ||
DD01 | Delivery of document by public notice |
Addressee: Zheng Buyun Document name: Deemed as a notice of withdrawal (Trial) |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: National Bio Energy Group Co.,Ltd. Assignor: LONGJI POWER Co.,Ltd. Contract record no.: 2010990000317 Denomination of invention: Method of avoiding low temperature corrosion of boiler air preheater Granted publication date: 20090916 License type: Exclusive License Open date: 20050525 Record date: 20100526 |
|
ASS | Succession or assignment of patent right |
Owner name: BEIJING DP CLEANTECH CO., LTD. Free format text: FORMER OWNER: LONGJI ELECTRIC POWER CO., LTD. Effective date: 20120214 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100027 CHAOYANG, BEIJING TO: 101200 PINGGU, BEIJING |
|
TR01 | Transfer of patent right |
Effective date of registration: 20120214 Address after: 101200 Pinggu City, North Street, Beijing District, building No. 13, room No. 802 Patentee after: BEIJING DP CLEANTECH TECHNOLOGY DEVELOPMENT CO.,LTD. Address before: 100027 No. 5, five West Street, Chaoyang District, Beijing, Sanlitun Patentee before: LONGJI POWER Co.,Ltd. |
|
DD01 | Delivery of document by public notice |
Addressee: Zheng Buyun Document name: Notification of Passing Examination on Formalities |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200721 Address after: Room 1405, information building, No. 13, Yinbei street, Pinggu District, Beijing Patentee after: Beijing Depu Xinyuan Ecological Technology Co.,Ltd. Address before: 101200, room 13, information building, 802 tree lined North Street, Pinggu District, Beijing Patentee before: BEIJING DP CLEANTECH TECHNOLOGY DEVELOPMENT CO.,LTD. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090916 Termination date: 20211028 |
|
RR01 | Reinstatement of patent right | ||
RR01 | Reinstatement of patent right |
Former decision: Termination of patent right with unpaid annual fee Former decision publication date: 20221014 |