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A biomass gasification method and apparatus for production of syngas with a rich hydrogen content

A gasification device, hydrogen technology, applied in the details of gasification device, gasification process, gas production, etc., can solve undisclosed problems

Inactive Publication Date: 2010-12-29
波思能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

By injecting high-temperature steam up to 1000K to increase steam partial pressure, CO through CaO 2 Adsorption to reduce CO 2 Partial pressure, a unique method to facilitate steam reforming and water shift reactions is neither taught nor disclosed in the prior art discussed above

Method used

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  • A biomass gasification method and apparatus for production of syngas with a rich hydrogen content
  • A biomass gasification method and apparatus for production of syngas with a rich hydrogen content
  • A biomass gasification method and apparatus for production of syngas with a rich hydrogen content

Examples

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Embodiment 1

[0135] Example 1: In the presence of Ca-based CO 2 In the case of adsorbents, the high temperature of the hot gas treatment is utilized Air / Steam Gasification

[0136] An example of an embodiment of the invention is in the presence of Ca-based CO 2 In the case of sorbents high temperature air / steam gasification using hot gas treatment.

[0137] The general block diagram of the gasification process is in Figure 7 shown in . The devices used include:

[0138] · Updraft fixed bed gasifier. These are cylinders manufactured from ceramic high-temperature materials with operating temperatures of up to 1500° C., for example cylinders produced by the Calderys Refractory Solutions Company. In this gasifier, high temperature air / steam is supplied from the bottom of the gasifier and the feedstock (biomass) is fed from the top of the gasifier.

[0139] ·Fluidized bed reforming furnace

[0140] · conventional steel cyclones, and

[0141] • Calciner equipped with conventiona...

Embodiment 2

[0155] Example 2: Using high temperature air / steam and Ca-based CO 2 Biomass Gasification of Adsorbents

[0156] An example of an embodiment of the present invention is the use of high temperature air / steam and Ca based CO 2 Biomass gasification of adsorbents. The general block diagram of the gasification process is in Figure 8 shown in . The devices used are:

[0157] · Updraft fixed bed gasifier. These are cylinders manufactured from ceramic high-temperature materials with operating temperatures of up to 1500° C., for example cylinders produced by the Calderys Refractory Solutions Company. In this gasifier, high temperature air / steam is supplied from the bottom of the gasifier and the feedstock (biomass) is fed from the top of the gasifier.

[0158] ·Steam heater. it consists of Figure 9 The regenerative hive heat exchanger shown in . After passing the saturated steam through said heat exchanger, the temperature of the steam reaches 1200°C, produced by

[0...

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Abstract

A biomass gasification method and apparatus for production of syngas with arich hydrogen content. In the gasification process the gasification energy is supplied by the sensible heat carried by a high temperature agent combined with the heat released by the chemical reaction between calicined lime and carbon dioxide.

Description

Background of the invention [0001] The present invention relates to a thermal gasification process, in particular to a biomass gasification process. Thermal gasification is a process that converts carbonaceous materials such as coal, petroleum coke, biomass and / or solid waste into combustible gases. Combustible gases are mainly hydrogen and carbon monoxide mixed with smaller amounts of carbon dioxide, water, methane, higher hydrocarbons and nitrogen. Air, steam and oxygen, alone or in any combination, are often used as gasification agents. It is very attractive to use pure steam as the gasification medium, because the calorific value of the syngas produced is due to the absence of N 2 and CO 2 The dilution is much higher. Syngas also has a higher hydrogen content. In general, factors affecting the performance of a thermal gasification reactor system include: stoichiometry of reactants, gasification temperature and pressure, heating rate of feedstock, type of gasification ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J1/16C10J3/00
CPCC10J2200/158C10J3/20C10J3/80C10K3/04C10J2300/1884C10K3/006C10J2300/1253C10J2300/0989C10J3/30Y02P20/129
Inventor 沃齐米日·布瓦夏克杨伟宏
Owner 波思能源有限公司