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Agriculture and forestry biomass gasification power generation method

A biomass, agriculture and forestry technology, applied in chemical instruments and methods, granular/powder fuel gasification, physical/chemical process catalysts, etc. The effect of reducing environmental pollution and improving the utilization rate of calorific value

Active Publication Date: 2019-06-14
袁英江
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a method for generating electricity by gasifying agricultural and forestry biomass to solve technical problems such as low utilization rate of biomass combustion calorific value, emission pollution and the like.

Method used

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  • Agriculture and forestry biomass gasification power generation method

Examples

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Effect test

Embodiment 1

[0030] A method for generating electricity by gasifying agricultural and forestry biomass, which mainly includes three steps: pretreatment of agricultural and forestry biomass, gasification and catalytic cracking to generate combustion gas, and utilization of combustion gas to generate electricity. The diameter is 30 μm and dried until the moisture content is 10% to obtain raw materials; the specific method of gasification and catalytic cracking is: after pretreatment, the agricultural and forestry biomass is gasified with a gasification agent in a fluidized bed gasification furnace, Cracking produces mixed cracking gas under the effect of catalyzer then, and the consumption of described catalyzer is 3% of raw material weight, and catalyzer obtains by following preparation method:

[0031] (A) magnesium carbonate and zinc carbonate are mixed uniformly to obtain mixed powder;

[0032] (B) adding the mixed powder into the manganese acetate aqueous solution, stirring evenly to ob...

Embodiment 2

[0044] A method for generating electricity by gasifying agricultural and forestry biomass, which mainly includes three steps: pretreatment of agricultural and forestry biomass, gasification and catalytic cracking to generate combustion gas, and utilization of combustion gas to generate electricity. 50 μm in diameter and dried until the moisture weight content is 12%, to obtain raw materials; the specific method of gasification and catalytic cracking is: after pretreatment, the agricultural and forestry biomass is gasified with a gasification agent in a fluidized bed gasifier, Cracking produces mixed cracking gas under the effect of catalyzer then, and the consumption of described catalyzer is 4% of raw material weight, and catalyzer obtains by following preparation method:

[0045] (A) magnesium carbonate and zinc carbonate are mixed uniformly to obtain mixed powder;

[0046] (B) adding the mixed powder into the manganese acetate aqueous solution, stirring evenly to obtain the...

Embodiment 3

[0058] A method for generating electricity by gasifying agricultural and forestry biomass, which mainly includes three steps: pretreatment of agricultural and forestry biomass, gasification and catalytic cracking to generate combustion gas, and utilization of combustion gas to generate electricity. The diameter is 30 μm and dried until the moisture weight content is 12% to obtain raw materials; the specific method of gasification and catalytic cracking is: after pretreatment, the agricultural and forestry biomass is gasified with a gasification agent in a fluidized bed gasifier, Cracking produces mixed cracking gas under the effect of catalyzer then, and the consumption of described catalyzer is 3% of raw material weight, and catalyzer obtains by following preparation method:

[0059] (A) magnesium carbonate and zinc carbonate are mixed uniformly to obtain mixed powder;

[0060] (B) adding the mixed powder into the manganese acetate aqueous solution, stirring evenly to obtain ...

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Abstract

The invention provides an agriculture and forestry biomass gasification power generation method, which mainly comprises three steps of agriculture and forestry biomass preprocessing, gasification andcatalytic cracking to generate burning gas, and power generation by burning gas, wherein the step of agriculture and forestry biomass preprocessing is characterized in that agriculture and forestry biomasses are smashed and dried to obtain a raw material of a specific particle size range so as to be favorable for fully utilizing the biomasses in subsequent steps of gasification, catalytic crackingand the like, the use ratio of a biomass combustion calorific value is improved, the generation of acid substances, including tar, oxysulfide, oxynitride and the like, can be reduced, and environmentpollution caused by emission can be reduced without additional processing.

Description

technical field [0001] The invention relates to the technical field of clean energy, in particular to a method for generating electricity by gasifying agricultural and forestry biomass. Background technique [0002] Agricultural and forestry biomass refers to materials such as straw, trees and other lignocellulose in the process of agricultural and forestry production, agricultural product processing industry waste, agricultural and forestry waste, and livestock manure and waste in the process of animal husbandry production. Using agricultural and forestry biomass to generate electricity is an important way of biomass utilization, and it is also a way of biomass utilization vigorously advocated and encouraged by the state in recent years. Biomass power generation technology is mainly divided into biomass direct combustion power generation, biomass mixed combustion power generation, and biomass gasification power generation. [0003] Among them, biomass gasification power ge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/72C10J3/46B01J23/34B01J35/06B01J37/08B01J37/18
CPCY02P20/52
Inventor 不公告发明人
Owner 袁英江
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