Process and apparatus for molten slag gasification of solid fuels

US9822003B2 · kind B2 · utility

Assignee

• Envirotherm GmbH · DE

Inventors

• Bernd Meyer · Freiberg, DE
• Martin Grabner · Munich, DE

Key dates

• Filing date: Feb 13, 2013
• Grant date: Nov 21, 2017
• Expiry date: Feb 20, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10J2300/0976
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A process and an apparatus for molten slag gasification of solid fuels in a molten slag gasifier with increased output, an increased range of solid fuels that can be used and improved gas quality. The process is conducted such that, by means of a molten slag gasifier comprising a feed of the coarse-grained solid fuels and comprising a gas takeoff, both at the head of the molten slag gasifier, comprising a slag bath and comprising a slag bath takeoff at the bottom of the molten slag gasifier, comprising a feed for first gasifying means by means of gasifying means nozzles above the slag bath, comprising a filling of the fixed bed above the slag bath, in addition to the first gasifying means a second gasifying means are injected by way of at least one gasifying means nozzle that reaches into the upper region of the fixed bed.