Sewage sludge incineration method and sewage sludge incineration equipment

摘要

PROBLEM TO BE SOLVED: To shorten the time lag until the addition of a sintering inhibitor by measuring the fluidized air pressure, and to control the input amount of the sintering inhibitor based on the time course of the fluidized air pressure. As a result, the amount of the sintering inhibitor added is minimized, and the amount of the sintering inhibitor added is prevented from becoming excessive. A method for incinerating sewage sludge in a fluidized bed incinerator 100, wherein compressed air is introduced into a fluidized bed in the fluidized bed incinerator from an air inlet to form a fluidized bed of the fluidized bed. (A), the step (b) of burning the dehydrated sludge while flowing the dehydrated sludge, the sintering inhibitor, and the fluidized bed in the fluidized bed incinerator, and measuring the pressure at a certain position of the fluidized bed. A method for incinerating sewage sludge, which comprises a step (c) of determining the change with time and a step (d) of controlling the amount of the sintering inhibitor added according to the change with time. [Selection diagram] Fig. 4