Highly efficient, clean and pressurized gasification apparatus for dry powder of carbonaceous material and method thereof
US8801813B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 25, 2009 |
| Grant date | Aug 12, 2014 |
| Priority date | — |
| Expiry date | Apr 19, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10J2300/0976
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A gasification apparatus for solid fuel, especially an apparatus for producing syngas by pressurized gasification of coal powder, including a gasification chamber (II) and a syngas cooling and purification chamber (III). The inner wall of the gasification chamber is a water-cooling wall (4). The inner side of the water-cooled wall is evenly coated with a layer of fire-resistant material (16). There is an annular cavity between the water-cooling wall of the gasification chamber and the furnace body. A syngas quencher, a vertical pipe (22), a gas distribution device (24), a defoaming device, and a dewatering and deashing device (21) are provided in the syngas cooling and purification chamber. The apparatus has a simple structure and is easy to operate. A high temperature gasification method for dry powder of carbonaceous material comprises spraying the combustible material and oxygen into the furnace and followed by ignition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.