JPS56116788A - Two-stage fluid gasification of coal - Google Patents
Two-stage fluid gasification of coalInfo
- Publication number
- JPS56116788A JPS56116788A JP1858480A JP1858480A JPS56116788A JP S56116788 A JPS56116788 A JP S56116788A JP 1858480 A JP1858480 A JP 1858480A JP 1858480 A JP1858480 A JP 1858480A JP S56116788 A JPS56116788 A JP S56116788A
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- char
- gas
- fluid
- gasification
- 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
Abstract
PURPOSE: To raise the efficiency of gasification as well as the operability of a gasification furnace and gas refining opeation, by using a system in which an O2-containing gas is blown into the upper stage gasification furnace so as to decompose tar and also the lower stage gasification furnace is operated at lower than a temperature at which clinker is not formed.
CONSTITUTION: Raw material coal is introduced into the upper stage fluid furnace 1, and the coal is carbonized while fluidized at a temperature between 800°C and 950°C maintained by a hot gas ascending through a conduit 3 from the lower stage fluid furnace 2 and combustion heat produced by blowing O2-containing gas 8 into the upper stage fluid furnace 1, and at the same time tar is thermally decomposed to char. The char of coarse grain size is discharged through an overflow pipe 5, and also char of fine grain size with formed gas is separated in a cyclone B, where both are received in a char storage tank C and then supplied to the upper part of the dispersion plate 4 of the lower fluid furnace 2. The char supplied to the fluid furnace 2 is gasified with a gas mixture 9 consisting of the O2-containing gas and steam at 850°C or higher at which clinker is not formed and then sent to the fluid furnace 1. The gas deprived of fine char particles by the cyclone B is dedusted for reuse.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1858480A JPS5842233B2 (en) | 1980-02-19 | 1980-02-19 | Two-stage fluidized coal gasification method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1858480A JPS5842233B2 (en) | 1980-02-19 | 1980-02-19 | Two-stage fluidized coal gasification method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56116788A true JPS56116788A (en) | 1981-09-12 |
JPS5842233B2 JPS5842233B2 (en) | 1983-09-17 |
Family
ID=11975670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1858480A Expired JPS5842233B2 (en) | 1980-02-19 | 1980-02-19 | Two-stage fluidized coal gasification method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5842233B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61231387A (en) * | 1985-04-08 | 1986-10-15 | 新日本製鐵株式会社 | Fluidized bed combustion facility |
CN108463540A (en) * | 2016-01-15 | 2018-08-28 | 洋马株式会社 | The method of operation of gasification furnace and gasification furnace |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI80066C (en) * | 1986-01-22 | 1991-07-29 | Ahlstroem Oy | Process and apparatus for gasification of carbonaceous material |
-
1980
- 1980-02-19 JP JP1858480A patent/JPS5842233B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61231387A (en) * | 1985-04-08 | 1986-10-15 | 新日本製鐵株式会社 | Fluidized bed combustion facility |
CN108463540A (en) * | 2016-01-15 | 2018-08-28 | 洋马株式会社 | The method of operation of gasification furnace and gasification furnace |
Also Published As
Publication number | Publication date |
---|---|
JPS5842233B2 (en) | 1983-09-17 |
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