JPS5464502A - Gasification of coals - Google Patents
Gasification of coalsInfo
- Publication number
- JPS5464502A JPS5464502A JP13032077A JP13032077A JPS5464502A JP S5464502 A JPS5464502 A JP S5464502A JP 13032077 A JP13032077 A JP 13032077A JP 13032077 A JP13032077 A JP 13032077A JP S5464502 A JPS5464502 A JP S5464502A
- Authority
- JP
- Japan
- Prior art keywords
- line
- fluidized bed
- coal
- gasifier
- ash
- 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 gasify coal completely, take out ash free from unburned carbon, and improve thermal efficiency, by simultaneous thermal decomposition and partial oxidation of coal in a fluidized bed gasifier, and by burning the unburned carbon in an ash furnace.
CONSTITUTION: A pretreated coal is fed from the line 10 to the gasifier 1 to form a fluidized bed, into which materials such as coal and petroleum vacuum distillation residual oil (heavy oil) are introduced from the line 11 while being sprayed by the steam 21, and gasified in the thermal decomposition zone 2. Char formed as a by- product is fluidized and burned in the partial oxidation zone 3 by a gasifying agent which is supplied from the line 14 through the distribution plate 4 to the zone 3. Ash containing unburned carbon is fed to the ash furnace 5 by the particle discharge regulator 16 equipped on the particle discharge outlet pipe 19. and is gasified in the fluidized bed 6 in the furnace 5 with the height of the fluidized bed in the gasifier 1 adjusted. Steam is generated by the boilers 15 and 20 heated by the amount of heat due to the combustion with the gasifying agent from the line 17.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13032077A JPS5851989B2 (en) | 1977-11-01 | 1977-11-01 | Coal gasification method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13032077A JPS5851989B2 (en) | 1977-11-01 | 1977-11-01 | Coal gasification method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5464502A true JPS5464502A (en) | 1979-05-24 |
JPS5851989B2 JPS5851989B2 (en) | 1983-11-19 |
Family
ID=15031503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13032077A Expired JPS5851989B2 (en) | 1977-11-01 | 1977-11-01 | Coal gasification method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5851989B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS568489A (en) * | 1979-07-04 | 1981-01-28 | Hitachi Ltd | Reduction of heavy oil-like matter in coal gasification |
JPS57179290A (en) * | 1981-04-07 | 1982-11-04 | Metallgesellschaft Ag | Simultaneous manufacture of fuel gas and process heat from carbonaceous matter |
JPS57192491A (en) * | 1981-05-22 | 1982-11-26 | Takuma Sogo Kenkyusho:Kk | Coal gasifying apparatus having char burning furnace |
US8833278B2 (en) | 2011-03-14 | 2014-09-16 | Valmet Power Oy | Method for processing ash, and an ash processing plant |
-
1977
- 1977-11-01 JP JP13032077A patent/JPS5851989B2/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS568489A (en) * | 1979-07-04 | 1981-01-28 | Hitachi Ltd | Reduction of heavy oil-like matter in coal gasification |
JPS6212835B2 (en) * | 1979-07-04 | 1987-03-20 | Hitachi Ltd | |
JPS57179290A (en) * | 1981-04-07 | 1982-11-04 | Metallgesellschaft Ag | Simultaneous manufacture of fuel gas and process heat from carbonaceous matter |
JPH0466919B2 (en) * | 1981-04-07 | 1992-10-26 | Metallgesellschaft Ag | |
JPS57192491A (en) * | 1981-05-22 | 1982-11-26 | Takuma Sogo Kenkyusho:Kk | Coal gasifying apparatus having char burning furnace |
JPS6210595B2 (en) * | 1981-05-22 | 1987-03-06 | Takuma Sogo Kenkyusho Kk | |
US8833278B2 (en) | 2011-03-14 | 2014-09-16 | Valmet Power Oy | Method for processing ash, and an ash processing plant |
Also Published As
Publication number | Publication date |
---|---|
JPS5851989B2 (en) | 1983-11-19 |
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