Patent ID: 8881662
Filing Date: 2014-11-11
Classification: F23G,F23J

Abstract:
1. A fluidized bed incinerator for sludge comprising an incinerator body into which the sludge is supplied without drying, wherein an inside of the incinerator body is divided into a lower portion, a portion above the lower portion, and a top portion in a height direction; the lower portion serves as a pyrolysis zone for thermally decomposing the sludge while supplying fluidizing air having an air ratio of 0.9 to 1.1 together with fuel to combust the fuel to fluidize the sludge, a fuel supply pipe is provided in the pyrolysis zone to supply fuel to the pyrolysis zone; the portion above the lower portion serves as an over bed combustion zone for supplying only secondary combustion air having an air ratio of 0.1 to 0.3 to form a local high temperature place to decompose N the top portion serves as a perfect combustion zone for perfectly combusting unburned contents.