| 摘要 |
Process to start up a pressurized gasification process, using a solid or liquid, ash containing carbonaceous fuel as feed, as performed in a vertically elongated entrained-flow gasification reactor (1) having one or more pairs of diametrically positioned and horizontally firing gasification burners (3a, 3b, 4a, 4b) wherein the following steps are performed, (a) inserting an ignition burner (5) into the gasification reactor and igniting an ignition burner and detecting a flame, (b) inserting a start-up burner (6) into the gasification reactor and providing a flow of a hydrocarbon fuel and an oxygen containing gas to the start-up burner, which ignites due to the flame of the ignition burner, and increasing the temperature in the gasification reactor to a temperature of between 700 and 1000 -C and increasing the pressure in the gasification reactor to a pressure of between 5 and 20 bar, (c) providing the carbonaceous fuel and an oxygen- containing gas to a first gasification burner (3a) and subsequently another part of the carbonaceous fuel and another part of the oxygen-containing gas are provided to a diametrically positioned second gasification burner (3b), (d) terminating the flow of hydrocarbon fuel and the flow of oxygen-containing gas to the start-up burner, (e) optionally repeating step (c) for any other pairs of diametrically positioned and horizontally firing gasification burners (4a, 4b), (f ) further increasing the pressure in the gasification reactor (1) to a operating pressure of between 20 and 100 bar. |
