JPS5658520A - Purifying method of boiler exhaust gas - Google Patents
Purifying method of boiler exhaust gasInfo
- Publication number
- JPS5658520A JPS5658520A JP14298980A JP14298980A JPS5658520A JP S5658520 A JPS5658520 A JP S5658520A JP 14298980 A JP14298980 A JP 14298980A JP 14298980 A JP14298980 A JP 14298980A JP S5658520 A JPS5658520 A JP S5658520A
- Authority
- JP
- Japan
- Prior art keywords
- coal
- semicoke
- boiler
- exhaust gas
- sox
- 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
- Treating Waste Gases (AREA)
Abstract
PURPOSE: To decrease the amount of production of unburned coaly fine particles of poor combustility at the time of removing SOx from the SOX-contg. exhaust gas by means of semicoke, by classifying the raw coal for semicoke and using the coal other than predetermined grain sizes as a boiler fuel without using the same as a raw material for semicoke.
CONSTITUTION: Since SOX is contained in the exhaust gas emitted from a boiler or combustion furnace using coal as a fuel, it is passed through semicoke to be adsorbed and removed of SOX. In this case, the semicoke is produced by grinding part of the coal used in the boiler with a ball mill, classifying this and sending only the one of about 2W20mm sizes to a carbonization unit. The fine powder coal of about ≤2mm is used as fuel coal for boiler without being sent to the carbonization unit. The semicoke as a desulfurizer has no particulate one and has no decrease in combustion efficiency accompaning to the production of fine-powdered coke of poor combustility having no volatile component, thus the entire amount of raw coal may be effectively utilized.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14298980A JPS5658520A (en) | 1980-10-15 | 1980-10-15 | Purifying method of boiler exhaust gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14298980A JPS5658520A (en) | 1980-10-15 | 1980-10-15 | Purifying method of boiler exhaust gas |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9720779A Division JPS5653729A (en) | 1979-08-01 | 1979-08-01 | Purifying method of boiler exhaust gas |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5658520A true JPS5658520A (en) | 1981-05-21 |
Family
ID=15328342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14298980A Pending JPS5658520A (en) | 1980-10-15 | 1980-10-15 | Purifying method of boiler exhaust gas |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5658520A (en) |
-
1980
- 1980-10-15 JP JP14298980A patent/JPS5658520A/en active Pending
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