Gas-cooling method and apparatus

US4157244A · kind A · utility

Assignees

• Dr. C. Otto & Comp. GmbH
• Saarbergwerke A.G. · DE

Inventors

• Paul Gernhardt · Chesapeake, US
• Wolfgang Grams · Herne, DE
• Wilhelm Danguillier
• Siegfried Pohl · Oberschleißheim, DE

Key dates

• Filing date: Mar 8, 1978
• Grant date: Jun 5, 1979
• Expiry date: Mar 8, 1998

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10J2300/093
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A stream of hot primary gas rising from the gasification region in a slag bath generator passes through an after-gasification region and thence into a cooling region. The stream of hot gas is cooled in the cooling region by injecting purified and cooled primary gas through tangentially-arranged nozzles at an outlet velocity of between 1 and 8 meters per second. Below the tangentially-arranged nozzles, other gas-cooling nozzles inject cooled and purified primary gas into the hot gas stream upwardly at an angle within 10.degree.-60.degree. , preferably at 45.degree. and at an outlet velocity of between 10 and 160 meters per second. The upwardly-inclined gas injection nozzles are carried by the inner wall of an annular duct. The inner wall extends between a lining of cooling tubes surrounding the vertical gas flow space.