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Biomass mixing and gasifying process and apparatus

A process method and biomass technology, which is applied in the petroleum industry, the manufacture of combustible gas, special forms of dry distillation, etc., can solve problems such as the problem of tar in gasifiers that cannot be solved well, so as to increase production and use, and improve flexibility and adaptability , the effect of reducing tar content

Active Publication Date: 2005-12-21
GUANGZHOU DEVOTION THERMAL TECH
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Problems solved by technology

In fact, the carbonization furnace mentioned in this method is similar to an updraft gasifier. High-temperature gas enters the furnace from the bottom, and the tar content is indeed reduced due to filtration, but the tar produced by biomass carbonization is also released into the gas, and Can not solve the tar problem of gasifier

Method used

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  • Biomass mixing and gasifying process and apparatus
  • Biomass mixing and gasifying process and apparatus

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Embodiment Construction

[0015] The structure of the gasification device embodiment of the present invention is as attached figure 1 As shown, the gasification device is composed of a circulating fluidized bed gasifier 1 and a downdraft gasifier 10 to form a composite gasifier, and a cyclone separator 7 is arranged on the side of the circulating fluidized bed gasifier 1 to circulate The fluidized bed gasification furnace 1 has an independent feed inlet 2, the lower part of the furnace is the air distribution plate 3 and the ash outlet 5, the air inlet of the cyclone separator 7 is connected with the gas outlet of the upper part of the circulating fluidized bed gasification furnace 1 The fly ash return pipe 8 at the bottom of the cyclone separator 7 is connected to the fly ash outlet 6 separated by the partition plate 4 at the lower part of the circulating fluidized bed gasifier, and the gas outlet of the cyclone separator 7 is connected to the lower part of the cyclone separator 7. The combustible ga...

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Abstract

This invention offers a kind of bionass to mix and vaporize craft method and device, gasification stage before include its gasification course and after gasification stage, in before gasification stage, the biomass supplies adopt the circulation fluidized bed gasification craft to carry on hotly and vent one's spleen to melt, in after gasification stage, biomass adopt supplies down carry on the gasification crafts hot to it is take to vent one's spleen inhaling type. Gasification stage lay the inhaling type gasification device after gasification stage produce can gas enter before being, with add biomass supplies among them is it take gasification stage produce can gas enter before being, iwht add bionass supllies among them is it take gasification react altogether to go on together. Air that invention design this turn device into by circulation fluidized bed gasification stove with lay gasification complex type gasification stove gasification stove that stove made up of inhaliing etc.

Description

technical field [0001] The invention relates to a process and device for pyrolysis and gasification of biomass. Background technique [0002] my country's biomass resource reserves are very rich. As a renewable energy source, its utilization can reduce the pressure on the demand for fossil fuels and at the same time slow down the greenhouse effect. Gasification technology can convert biomass into syngas for power generation or synthesis of liquid fuels, and has become one of the important technologies for biomass utilization. [0003] Biomass gasification is one of the main ways to efficiently utilize biomass, and it has a wide range of applications in the decentralized utilization of biomass. At present, the main biogas methods at home and abroad include three types of gasification technologies: fluidized bed (circulating fluidized bed) gasification, updraft gasification and downdraft gasification. Fluidized bed gasification is characterized by good continuity, stable gas...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10B53/02C10J3/72
Inventor 吴创之郑舜鹏陈坚赵增立
Owner GUANGZHOU DEVOTION THERMAL TECH
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