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Down suction positive pressure biomass gasifier

A biomass and gasifier technology, applied in the manufacture of combustible gas, petroleum industry, etc., can solve the problems of increasing equipment cost and complexity of equipment structure, and achieve high recovery efficiency

Inactive Publication Date: 2018-03-06
山东惠农生物新能源股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The gasification furnace uses air and steam as the gasification agent, and the existing gasification furnace needs to be equipped with a steam generating device that provides steam, which increases the equipment cost and the complexity of the equipment structure

Method used

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  • Down suction positive pressure biomass gasifier
  • Down suction positive pressure biomass gasifier
  • Down suction positive pressure biomass gasifier

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with accompanying drawing:

[0020] Such as figure 1 , figure 2 , image 3 , Figure 4 As shown, the downward suction positive pressure biomass gasification furnace includes a furnace body 1, an inner furnace drum 2 arranged in the furnace body 1, an ash discharge device 3 and an air inlet pipe 4 connected to the inner furnace drum 2, and the inner furnace drum The inside of 2 is the raw material area, the combustion area and the ash layer area in the direction from top to bottom. The furnace body 1 is tightly wrapped on the outside of the inner furnace drum 2, and the top and bottom of the inner furnace drum 2 pass through the furnace body 1. The upper end surface and the lower end surface of the inner furnace cylinder 2 are provided with a feed pipe 5 communicating with the inner space of the inner furnace cylinder 2, and the upper part of the inner furnace cylinder 2 is sequentially provided wit...

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Abstract

The invention discloses a down-suction positive pressure biomass gasification furnace, which comprises a furnace body, an inner furnace barrel, an ash unloading device and an air inlet pipe. The upper part of the inner furnace barrel is provided with a closed water vapor chamber and a combustible gas chamber in sequence from top to bottom, the water vapor chamber is provided with a water inlet pipe and a water vapor pipe, and the combustible gas chamber is provided with a combustible gas outlet pipe And the gas manifold, the air inlet pipe extends into the inner furnace tube, the inner surface of the furnace body is located at two positions in the middle and lower part of the inner furnace tube, and an annular groove is respectively provided to form an annular airtight space, and the side wall of the inner furnace tube There is an exhaust hole connected to the annular closed space on the top, and the two annular closed spaces are connected to the combustible gas outlet pipe. The beneficial effects of the present invention are: the steam is produced by the heat of the gasification furnace itself, and no additional steam generation device is required, which simplifies the structure of the gasification furnace; there are many outlet channels for the combustible gas, which is conducive to the timely, rapid and complete export of the combustible gas .

Description

technical field [0001] The invention relates to the technical field of solid fuel combustion equipment, in particular to a downdraft positive pressure biomass gasifier. Background technique [0002] Biomass gasification is to use a gasification device to burn biomass in an oxygen-deficient state, so that most of the combustible substances are converted into combustible gases, which are cooled and purified for power generation or cooking. According to different combustion methods, there are many types of gasification devices. The most common one in the prior art is the fixed bed downdraft gasifier, which has the characteristics of simple structure, low cost, and easy operation. It is very suitable for my country's national conditions, especially for In rural areas of our country, it is used to deal with crop waste, such as straw, rice husk, branches, weeds, etc. The gasification furnace uses air and steam as the gasification agent. The existing gasification furnace needs to b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10J3/20C10J3/72
Inventor 张宝国张崇敬梁湖
Owner 山东惠农生物新能源股份有限公司
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