JPS5478362A - Removing method for sulfate adhered on air preheater - Google Patents
Removing method for sulfate adhered on air preheaterInfo
- Publication number
- JPS5478362A JPS5478362A JP14640277A JP14640277A JPS5478362A JP S5478362 A JPS5478362 A JP S5478362A JP 14640277 A JP14640277 A JP 14640277A JP 14640277 A JP14640277 A JP 14640277A JP S5478362 A JPS5478362 A JP S5478362A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- air preheater
- inorganic powder
- combustion
- removing method
- 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.)
- Pending
Links
Landscapes
- Chimneys And Flues (AREA)
- Treating Waste Gases (AREA)
Abstract
PURPOSE: To enable to easily remove the above mentioned sulfate, by inducing a fixed inorganic powder in combustion exhaust gas of low temperature zone.
CONSTITUTION: More than one kind of the following inorganic powders are added from the space between the coal economizer and air preheater, at the publicly known fuel oil combustion boiler carrying out reducing decomposition of NOx in the exhaust gas, by adding ammonia in more than 700°C of the exhaust gas produced from combustion chamber. More than one kind of zeolite, bentonite, kaolin, allophane, Shirasu, fly ash, talc, wallastonite, blast furnace slag, red mud, agalmatolite and mica, are used for the above inorganic powder. Also, about 0.1W100μ of grain diameter is preferable and a good result is obtained by adding in such a concentration in the exhaust gas as about 1W200mg/Nm3.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14640277A JPS5478362A (en) | 1977-12-06 | 1977-12-06 | Removing method for sulfate adhered on air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14640277A JPS5478362A (en) | 1977-12-06 | 1977-12-06 | Removing method for sulfate adhered on air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5478362A true JPS5478362A (en) | 1979-06-22 |
Family
ID=15406882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14640277A Pending JPS5478362A (en) | 1977-12-06 | 1977-12-06 | Removing method for sulfate adhered on air preheater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5478362A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54110970A (en) * | 1978-02-20 | 1979-08-30 | Kiyomi Kageyama | Removal of deposited material from rotating heat exchanger in smoke denitration apparatus |
| JPS5732721A (en) * | 1980-08-04 | 1982-02-22 | Takuma Co Ltd | Method for preventing clogging of piping of incineration waste gas treating device of waste |
| JPH04267926A (en) * | 1990-11-08 | 1992-09-24 | Martin Gmbh Fuer Umwelt & Energietech | Method for separating ammonia from gas particularly exhaust gas produced in combustion process |
-
1977
- 1977-12-06 JP JP14640277A patent/JPS5478362A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54110970A (en) * | 1978-02-20 | 1979-08-30 | Kiyomi Kageyama | Removal of deposited material from rotating heat exchanger in smoke denitration apparatus |
| JPS5732721A (en) * | 1980-08-04 | 1982-02-22 | Takuma Co Ltd | Method for preventing clogging of piping of incineration waste gas treating device of waste |
| JPH04267926A (en) * | 1990-11-08 | 1992-09-24 | Martin Gmbh Fuer Umwelt & Energietech | Method for separating ammonia from gas particularly exhaust gas produced in combustion process |
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