Household refuse direct heating oxygen-deficient gasification kiln

Abstract

The invention discloses a household refuse direct heating oxygen-deficient gasification kiln which comprises a kiln body, a feeding opening, an S-shaped heating guide pipe, an exhaust pipe, a heater, an air blower, a thermodetector, an unloading opening and a carbon pool. The feeding opening is formed in the upper end of the kiln body; the heater is arranged at the lower end of the kiln body; the S-shaped heating guide pipe is arranged in the kiln body, the lower end of the S-shaped heating guide pipe is connected with the heater, and the top end of the S-shaped heating guide pipe is connected with the exhaust pipe; the S-shaped heating guide pipe is provided with an air hole A; the air blower is arranged below the heater; the thermodetector is arranged on the inner wall of the kiln body; the unloading opening is formed in the bottom of the kiln body; the carbon pool is arranged on the outer side of the kiln body and is connected with the unloading opening; the exhaust pipe is arranged at the top of the kiln body; and an exhaust valve is arranged on the exhaust pipe. After the household refuse direct heating oxygen-deficient gasification kiln is heated by the heater, smoke waste heat is recycled in a heat storage manner, the high-temperature smoke waste gas is recovered to the maximum degree, energy is sufficiently circulated and used, auxiliary fuel does not need to be added, and the energy-saving aim is achieved under the effect of oxygen-deficient burning.

Description

technical field [0001] The invention belongs to the technical field of domestic waste treatment, in particular to an oxygen-poor oxidation kiln directly heated by domestic waste. Background technique [0002] Disposal of domestic waste is one of the most concerned topics in society today. The phenomenon of garbage siege from villages to cities is becoming more and more serious. The state clearly puts forward the principle of "harmless, reduced, resourceful" garbage disposal. [0003] At present, the treatment methods of domestic waste include incineration, landfill and biological method. The biological method is to ferment domestic waste, the process is complicated, the equipment performance requirements are high, and the biodegradation conditions are limited. The landfill method requires the construction of a large-scale landfill, and the leachate needs to be treated in the later stage. The investment and maintenance costs are high, and there is also the risk of secondar...

AI Technical Summary

Problems solved by technology

The problems of this incineration method are: the combustion efficiency is low; the ash is discharged with the grate, and the incineration temperature is low; due to the different types of related garbage, different water content and different combustion adjustments, the combustion temperature is fluctuating, and the garbage cannot be Complete combustion; lower incineration temperature is prone to produce harmful gases, especially dioxins

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