Boiler used for sludge incineration and provided with anti-blocking feeding device

Abstract

The invention discloses a boiler used for sludge incineration and provided with an anti-blocking feeding device. The boiler comprises the boiler feeding device and a blockage absorbing and removing device used for conducting blockage removing operation on the boiler feeding device. The boiler feeding device comprises a feeding chamber, a star type feeder arranged in the feeding chamber and a feeding channel. The blockage absorbing and removing device comprises a blockage removing rod which can rotate and penetrate in the feeding channel, a spiral blockage removing tool arranged on the outer surface of the blockage removing rod, a driving part used for driving the blockage removing rod to rotate, and an absorbing and removing part arranged at the tail portion of the blockage removing rod. The absorbing and removing part is arranged in the boiler so that blockage chips generated due to blockage removing in the blockage removing process can be absorbed out, the chips are prevented from being pushed forwards, the phenomenon that blocking is more and more serious along with removing cannot happen, and the blockage removing effect is good.

Description

technical field [0001] The invention belongs to the technical field of industrial boilers, in particular to a boiler for sludge incineration with an anti-blocking feeding device. Background technique [0002] Large-scale circulating fluidized bed boilers usually use blended coal slime as fuel, but the coal slime is prone to blockage during the feeding process, and the feed channel needs to be cleaned regularly. The traditional methods to solve the blockage problem, such as: manual beating, installation of built-in mechanical dredger, air cannon or vibrating device, these methods cannot completely solve the problem of blockage. Basically, it is pushed forward, so it often happens that the more it is cleared, the more blocked it will be, and it will not be cleared at all in the later stage. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the present invention provides a boiler for sludge incineration with an anti-clogging feeding d...

AI Technical Summary

Problems solved by technology

[0002] Large-scale circulating fluidized bed boilers usually use blended coal slime as fuel, but the coal slime is prone to blockage during the feeding process, and the feed channel needs to be cleaned regularly

Traditional methods to solve the blockage problem, such as: manual beating, installation of built-in mechanical dredger, air cannon or vibrating device, these methods cannot completely solve the problem of blockage. It is basically pushed forward, so it often happens that the more it is cleared and the blockage becomes more solid, it will not be able to be cleared at all in the later stage.

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