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Device and method for preparing high-calorific value combustible gas through biomass gasification and melting

A gasification melting, high calorific value technology, applied in the production of combustible gas, climate sustainability, granular/powder fuel gasification, etc. investment and other issues, to achieve the effect of improving energy utilization efficiency, improving energy utilization rate, and saving investment costs

Active Publication Date: 2012-06-27
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The production of combustible gas with high calorific value requires high cost input (oxygen gasification) or the addition of an external heat source (steam gasification), while the removal of impurities such as tar and ash will consume part of the heat, resulting in a decrease in the overall energy conversion rate of the gasification system. Small, the quality of combustible gas will decrease

Method used

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  • Device and method for preparing high-calorific value combustible gas through biomass gasification and melting
  • Device and method for preparing high-calorific value combustible gas through biomass gasification and melting

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Embodiment

[0030] Embodiment: The device of the present invention is mainly composed of a fluidized bed gasification reactor 1, a cyclone melting furnace 2, a superheater 3, an economizer 4, a heat pipe heat exchanger 5, a bag filter 6, a desulfurization tower 7, a compression device 8, The air storage tank 9 and the air separation unit 10 are composed.

[0031] The fluidized bed gasification reactor 1 is composed of a gasification reaction zone and an air chamber 1-4 at the bottom, and an air distribution plate 1-5 is arranged between the air chamber 1-4 and the gasification reaction zone. The side wall and bottom of the air chamber 1-4 are respectively provided with an air inlet 1-2 and a slag discharge port 1-6; the side wall of the gasification reaction zone of the fluidized bed gasification reactor 1 is provided with Steam inlet 1-3 and feeder 1-1; the upper part of the gasification reaction zone of the fluidized bed gasification reactor 1 is connected with the inlet of the cyclone ...

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Abstract

The invention discloses a device and a method for preparing high-calorific value combustible gas through biomass gasification and melting. The device and the method provided by the invention are utilized for preparation of high-calorific value clean combustible gas. The device provided by the invention comprises a fluidized bed gasification reactor, a cyclone melting furnace, a superheater, an economizer, a heat pipe exchanger, a cloth bag deduster, a desulfurization tower, a compression device and a gas storage tank. The method provided by the invention is a high-efficiency biomass gasification technology breaking through the prior art, can realize preparation of high-calorific value combustible gas, and can effectively reduce the content of tar, carbon particles and ash of combustible gas. The device provided by the invention has high heat utilization efficiency and is safe and reliable.

Description

technical field [0001] The invention relates to a device and method for producing clean combustible gas with high calorific value through gasification and melting of biomass, and belongs to the field of solid waste resource disposal. Background technique [0002] The development of the economy and the progress of the society have led to an increasing demand for energy. The energy crisis caused by the reduction of fossil fuels such as coal and oil has intensified. Building a clean and safe energy future has become the common goal of all countries in the world. In 2007, the European Union issued a roadmap for renewable energy, proposing a goal of 20% of renewable energy in final energy consumption by 2020, and emphasizing the development and utilization of biomass energy. As the only renewable energy that can be converted into hydrocarbon fuels, biomass energy is not only rich in raw materials and widely distributed, but also a "carbon-neutral" energy source, which can effecti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/56C10J3/54C10J3/84C10J3/72
CPCY02P20/10
Inventor 金保昇黄亚继牛淼淼孙宇
Owner SOUTHEAST UNIV
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