A method for the selective safety monitoring of free flow - gasification reactors

摘要

The invention allows, while guaranteeing the technical reliability and low startup time the operation of the autothermal gasification of fuels prepared to pulverised fuel such as brown - and bituminous coal, petroleum cokes, solid to grind carbon-containing residues, but also solid - liquid - suspensions, so-called slurry, with an oxygen-containing gasification agent in the case of operating pressures of up to 8 mpa (80 bar). According to the invention is carried out by means of the selective embodiment of the failsafe monitoring of the gasification process only a switching off of the main fuel feeding. By means of the further operation of the pilot - and ignition burner, the reactor is held under operating pressure and, after it, with the pilot - and pilot burner the fuel gasification, without any expensive, inserting and pulling of a starting burner and the subsequent covering of the reactors can be started again.