Biomass combined type gasification furnace

Abstract

The present invention relates to a biomass combined gasification furnace. It has gas-forming tank, furnace cavity and combustor. The gas-forming tank is positioned in the side portion of said furnace cavity, the combustor is mounted in the top portion of said furnace cavity, in the gas-forming tank an oxidation combustion pipe is set, one end of said oxidation combustion pipe is communicated with atmosphere outside of the furnace body, another end of said oxidation combustion pipe is communicated with furnace cavity, on the oxidation combustion pipe an air-guiding hole is set, the side portion of said furnace cavity is equipped with a feeding hole, the upper portion of said furnace cavity is equipped with can oxygen-supplying hole, the periphery of furnace cavity portion with oxygen-supplying hole is equipped with an oxygen-supplying chamber, said oxygen-supplying chamber is communicated with air inlet pipe communicated with atmosphere, in the combustor interior are set several layers of oxygen-supplying holes, said several layers of oxygen-supplying holes are communicated with atmosphere outside of said furnace body.

Description

technical field [0001] The invention relates to a stove, in particular to a stove for gasifying and burning biomass fuel. Background technique [0002] At present, there are generally two technical solutions for biomass stoves, one is semi-gasification combustion, and the other is full gasification combustion. Full gasification is to put the biomass raw material in the gasifier, and produce combustible gas (including carbon monoxide, hydrogen, methane, ethane, etc.) can. For example, the gas-making furnace patent (ZL02277000.3) technology belongs to this type of furnace. Although it is currently the most advanced in the gasification furnace technology, there are still three technical deficiencies in the following aspects: a. It needs to be equipped with a fan; b. tar; c has certain requirements on the use of raw materials. The technology of the semi-gasification stove mainly adopts the method of adding sufficient material at one time and burning from the top to the bottom...

AI Technical Summary

Problems solved by technology

For example, the gas-making furnace patent (ZL02277000.3) technology belongs to this type of furnace. Although it is currently the most advanced in the gasification furnace technology, there are still three technical deficiencies in the following three aspects: a. It needs to be equipped with a fan; b. tar; c has certain requirements on the use of raw materials

The technology of the semi-gasification stove mainly adopts the method of adding sufficient material at one time and burning from the top to the bottom. At the same time, it uses the second and third oxygen supply to achieve gasification combustion. Unstable and easy to generate smoke. In addition, it is very inconvenient to use the fuel for a long time. It is necessary to stop the fire or reload after the fire is turned off. In addition, in order to solve the shortage of natural oxygen supply, many manufacturers also equip fans for supplementation.

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