Entrained gasifier for gasification of ash containing feedstock in e.g. fossil-fuel power station, has waste heat steam generator arranged adjacent to reactor such that crude gas quenched in quenching chamber is supplied to steam generator

摘要

The gasifier has a pacification section (3) arranged below a gasification reactor (1), and a water bath (8) provided at a bottom part of the pacification section. The gasification reactor is opened in a tubular quenching body (7) via a crude gas and sag outlet (4). The quenching body encloses a quenching chamber (14) whose cross-section is not reduced in a flow direction of crude gases. A waste heat steam generator (2) is arranged adjacent to the reactor such that the crude gas partially quenched in the quenching chamber overcoats the section, and is supplied to the waste heat steam generator.