Gasification and combustion integrated furnace

Abstract

The invention discloses a gasification and combustion integrated furnace. The gasification and communication integrated furnace solves the problem that the biomass combustion efficiency is low in the prior art and has the effects of being high in effective utilization heat efficiency, compact in structure and low in cost. According to the technical scheme, the gasification and combustion integrated furnace comprises a furnace body, a feeding device, a smoke dust separating device, a gasification air distribution system, an ash removal device and a combustion air distribution system, wherein the feeding device is arranged on the top of the furnace body, the smoke dust separating device is arranged on one side of the furnace body, the furnace body is divided into multiple gasification chambers and a combustion chamber by partition walls, the gasification chambers and the combustion chamber are sequentially distributed, raw materials enter the furnace body through the feeding device, the raw materials pass through the gasification chambers and are converted into gasified fuel gas firstly, then the raw materials enter the combustion chamber for classified combustion, the bottom of each gasification chamber is provided with a gasification air distribution opening, and solid materials are driven by gasification distributed air and gasified fuel gas to pass through the dust removal device at the bottom of the furnace body and are discharged.

Description

technical field [0001] The invention relates to a combustion furnace, in particular to an integrated gasification and combustion furnace. Background technique [0002] With the serious situation of environmental pollution and ecological damage caused by the extensive use of fossil fuels, the country is forcibly banning loose coal-fired boilers, and more and more biomass energy needs to be developed and utilized. [0003] At present, the common energy utilization methods of waste biomass resources mainly include gasification and combustion. There are mainly two types of biomass gasifiers: fixed bed and fluidized bed. Among them, the fixed bed gasifier is widely used because of its simple structure, easy manufacture, and low cost. However, the unavoidable tar in the gasification product There are many adverse effects on the fixed bed gasification; the amount of residual carbon in the ash generated by the biomass fluidized bed gasifier is relatively high, the energy in the raw...

AI Technical Summary

Problems solved by technology

There are mainly two types of biomass gasifiers: fixed bed and fluidized bed. Among them, the fixed bed gasifier is widely used because of its simple structure, easy manufacture, and low cost. However, the unavoidable tar in the gasification product There are many adverse effects on the fixed bed gasification; the amount of residual carbon in the ash generated by the biomass fluidized bed gasifier is relatively high, and the energy in the raw material cannot be fully utilized, and the investment and construction cost of the fluidized bed system is high

Biomass direct combustion methods mainly include stove combustion and boiler combustion. Stove combustion is generally used for household stoves with low combustion efficiency; boiler combustion efficiency is high and industrial production can be realized, but the investment is relatively large, and high-efficiency cloth bags are not installed. In the case of dust collectors, it can also have a serious impact on air pollution

[0004] In summary, there is still a lack of effective solutions to the problem of effective biomass treatment in the prior art

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