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Method for manufacturing coke biomass fuel bricks

A technology of biomass fuel and manufacturing method, which is applied in the direction of biofuel, waste fuel, fuel, etc., can solve the problems of low compression ratio, low calorific value, easy generation of flue gas, etc., and achieves improved compatibility, high density, and burning time. long effect

Inactive Publication Date: 2010-01-20
郑文林
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this fuel is: low calorific value, and contains non-volatile components, easy to produce smoke when burning
[0003] There is also a kind of biomass fuel pellets pressed by rollers, and the raw materials used are also crop straws and their wastes. The disadvantages are: low compression ratio and low calorific value

Method used

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  • Method for manufacturing coke biomass fuel bricks
  • Method for manufacturing coke biomass fuel bricks

Examples

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Embodiment Construction

[0021] 1. Raw material selection, proportioning and fermentation treatment

[0022] According to mass percentage, 50% of crushed corn stalks, 10% of rice straw, 10% of leaves, 10% of peanut shells, 10% of cow dung, 5% of horse manure and 5% of biomass tar are mixed as biomass raw materials. The crushing particle size is between 1-2mm. The pulverized raw materials are fermented in an environment with a humidity of 50% and a temperature of 30°C.

[0023] 2. Drying

[0024] The biomass raw material is dried, and the drying heat source comes from the combustible gas generated by preheating. The moisture content of dried biomass raw materials is controlled below 10%.

[0025] 3. Preheat

[0026] The dried biomass raw material is preheated at a temperature of 200-250° C. for 20 minutes to remove some volatile components, reduce the volume of the biomass raw material, and increase the cohesive degree.

[0027] 4. Collect combustible gas and tar

[0028] During the preheating pr...

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Abstract

The invention provides a method for manufacturing coke biomass fuel bricks by the following procedures: 1. raw material selecting, proportioning and fermenting; 2. drying; 3. preheating; 4. combustible gas and tar collecting and 5 pressing; through selecting, proportioning and fermenting, the compatibility and flexibility of the raw materials of the biomass are improved; the fermented raw materials of the biomass are dried to remove surplus water; the dried raw materials of the biomass are preheated to remove the volatile components; the combustible gas is recycled for drying the fuels and the tar is recycled to be used as the component of the raw materials; the preheated raw materials of the biomass are pressed so that the treated raw materials are converted into the biomass fuel bricks with the performance index similar to that of the coke. The manufactured biomass fuel bricks have the performance index of the coke and contain tar, thus having the advantages of large density, high carbonation rate, easy ignition, high heat value, long combustion time, little ash and good combustion performance and use performance. The biomass fuel bricks manufactured by the method are used as fuels.

Description

technical field [0001] The invention provides a method for manufacturing a cokey biomass fuel block in the field of fuel. Background technique [0002] Before the present invention was proposed, the biomass charcoal fuel pressed by a screw press was used. During the pressing process, part of the volatile components were volatilized by high-temperature friction to form continuous columnar artificial charcoal. The raw materials used were crop straw or wood scraps . The disadvantage of this fuel is that it has a low calorific value and contains non-volatile components, and it is easy to produce smoke when burned. [0003] There is also a kind of biomass fuel particles pressed by rollers, and the raw materials used are also crop stalks and wastes, which have the disadvantages of low compression ratio and low calorific value. Contents of the invention [0004] In order to overcome the shortcomings of existing biomass fuels, the present invention proposes a method for manufact...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/44C10L5/42C10B53/02
CPCY02E50/30Y02E50/14Y02E50/10
Inventor 郑文林
Owner 郑文林
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