Method and device for pyrolysising bio-matter using microwave

A biomass and microwave technology, applied in the direction of combustion methods, lighting and heating equipment, combustion types, etc., can solve problems such as difficult fineness requirements

Inactive Publication Date: 2007-02-14
SHANDONG UNIV +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

The existing pyrolysis process and technology, whether it is a fixed bed or a fluidized bed, require the biomass to be crushed, and the biomas

Method used

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  • Method and device for pyrolysising bio-matter using microwave

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[0014] Example: The microwave pyrolysis biomass device taking the vertical kiln layout as an example is shown in the attached figure, and its main components include 1. Cut-off door A; 2. Screw pressing device; 3. Cut-off door B; 4. Spring leaf ;5, air leakage induced draft fan; 6, microwave pyrolysis chamber; 7, charcoal combustion chamber; 8, ash auger.

[0015] The working process of the device is as follows: when feeding, the cut-off door B3 is closed, the cut-off door A1 is opened, and the bundle of biomass or material bag is placed under the screw pressing device 2. At this time, the cut-off door A1 is closed, the cut-off door B3 is opened, and the bundle of biomass is placed under the screw pressing device 2. Or the material bag moves down under the promotion of gravity and the screw pressing device 2, and when it moves down and crosses the position of the cut-off door B3, the screw press device 2 resets, the cut-off door B3 is closed, and then repeats the above feeding ...

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Abstract

A device utilizing microwave to pyrolyze raw materials consists of block gate, material screw pressing unit, air leakage draught fan, microwave pyrolysis chamber, carbon combustion chamber and ash release capstan. It is featured as carrying out heating-pyrolysis on raw material being wrapped or packed directly by microwave without break or grind of raw material.

Description

technical field [0001] The invention relates to a method and device for biomass pyrolysis, in particular to a method and device for realizing biomass drying and pyrolysis by using microwave heating. Background technique [0002] As a kind of renewable energy, the large-scale utilization of biomass is receiving more and more attention. However, biomass raw materials often have low energy density and non-centralized distribution, making it difficult to collect large-scale and transport them over long distances. In view of the characteristics of biomass, its liquefaction or gasification, especially the use of pyrolysis to produce oil or gas is an important technology for circular economy and energy saving. The existing pyrolysis process and technology, whether it is a fixed bed or a fluidized bed, require the biomass to be crushed, and the biomass raw material often has a certain toughness due to the fiber content, and it is difficult to achieve the ideal fineness requirement....

Claims

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Application Information

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IPC IPC(8): F23G5/027F23G7/00
Inventor 马春元王文龙宋占龙杨华赵希强董勇徐夕仁
Owner SHANDONG UNIV
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