JP4637817B2 - ボイラ排ガス系統及びその空気予熱器の洗浄方法 - Google Patents
ボイラ排ガス系統及びその空気予熱器の洗浄方法 Download PDFInfo
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- JP4637817B2 JP4637817B2 JP2006337786A JP2006337786A JP4637817B2 JP 4637817 B2 JP4637817 B2 JP 4637817B2 JP 2006337786 A JP2006337786 A JP 2006337786A JP 2006337786 A JP2006337786 A JP 2006337786A JP 4637817 B2 JP4637817 B2 JP 4637817B2
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- JP
- Japan
- Prior art keywords
- exhaust gas
- flue
- air preheater
- air
- slit
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 10
- 238000004140 cleaning Methods 0.000 title claims description 7
- 239000007789 gas Substances 0.000 claims description 48
- 238000002485 combustion reaction Methods 0.000 claims description 31
- 239000000428 dust Substances 0.000 claims description 27
- 230000000903 blocking effect Effects 0.000 claims description 22
- 239000012717 electrostatic precipitator Substances 0.000 claims description 11
- 239000004071 soot Substances 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 239000003546 flue gas Substances 0.000 claims description 2
- 239000000779 smoke Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000005406 washing Methods 0.000 description 11
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000012716 precipitator Substances 0.000 description 2
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Chimneys And Flues (AREA)
- Air Supply (AREA)
Description
Claims (2)
- 燃焼炉から排出された排ガスを受け入れて燃焼炉に供給される燃焼用空気との熱交換を行う空気予熱器(1)と、煙道(4,13,21〜25)を介して該空気予熱器(1)から排出される排ガスを受け入れて該排ガスの煤塵を除去する電気集塵器(3)とを含むボイラ排ガス系統における空気予熱器の洗浄方法であって、
前記煙道(4,13,21〜25)の横断方向に設けられた開閉可能なスリット(41)と、煙道外から該スリット(41)を通して該煙道(4,13,21〜25)を横断するように内部に挿入可能な1又は複数の遮断板(5)とからなる遮断手段(41,5)で該煙道(4,13,21〜25)を空気予熱器(1)と電気集塵器(3)との間で遮断した後、空気予熱器(1)の洗浄を行うことを特徴とする、空気予熱器の洗浄方法。 - 燃焼炉から排出された排ガスを受け入れて燃焼炉に供給される燃焼用空気との熱交換を行う空気予熱器(1)と、該空気予熱器(1)から排出される排ガスを受け入れて該排ガスの煤塵を除去する電気集塵器(3)と、前記空気予熱器(1)から排出される排ガスを前記電気集塵器(3)に導く煙道(4,13,21〜25)とを含むボイラ排ガス系統であって、前記煙道(4,13,21〜25)は前記煙道(4,13,21〜25)の横断方向に設けられた開閉可能なスリット(41)と、煙道外から該スリット(41)を通して該煙道(4,13,21〜25)を横断するように内部に挿入可能な1又は複数の遮断板(5)とからなる遮断手段(41,5)を備え、該遮断手段(41,5)で該煙道(4,13,21〜25)を空気予熱器(1)と電気集塵器(3)との間で遮断した状態で空気予熱器(1)の洗浄を行うことができるようにしたことを特徴とする、ボイラ排ガス系統。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006337786A JP4637817B2 (ja) | 2006-12-15 | 2006-12-15 | ボイラ排ガス系統及びその空気予熱器の洗浄方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2006337786A JP4637817B2 (ja) | 2006-12-15 | 2006-12-15 | ボイラ排ガス系統及びその空気予熱器の洗浄方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008151368A JP2008151368A (ja) | 2008-07-03 |
JP4637817B2 true JP4637817B2 (ja) | 2011-02-23 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006337786A Expired - Fee Related JP4637817B2 (ja) | 2006-12-15 | 2006-12-15 | ボイラ排ガス系統及びその空気予熱器の洗浄方法 |
Country Status (1)
Country | Link |
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JP (1) | JP4637817B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110360871B (zh) * | 2019-06-25 | 2023-11-14 | 华电电力科学研究院有限公司 | 一种空预器离线清洗装置及其工作方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6115474U (ja) * | 1984-07-02 | 1986-01-29 | 三菱電機株式会社 | 冷却装置 |
JPS61110994U (ja) * | 1984-12-26 | 1986-07-14 | ||
JP2002267394A (ja) * | 2001-03-05 | 2002-09-18 | Babcock Hitachi Kk | 空気予熱装置 |
-
2006
- 2006-12-15 JP JP2006337786A patent/JP4637817B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6115474U (ja) * | 1984-07-02 | 1986-01-29 | 三菱電機株式会社 | 冷却装置 |
JPS61110994U (ja) * | 1984-12-26 | 1986-07-14 | ||
JP2002267394A (ja) * | 2001-03-05 | 2002-09-18 | Babcock Hitachi Kk | 空気予熱装置 |
Also Published As
Publication number | Publication date |
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JP2008151368A (ja) | 2008-07-03 |
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