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A kind of composite biomass fuel particle and preparation method thereof

A biomass fuel, composite technology, applied in the direction of biofuel, waste fuel, fuel, etc., can solve the problem of no ignition, can not achieve synergy and other problems, and achieve the effect of long burning time, low moisture content and high burning value

Active Publication Date: 2016-01-06
龙门县景龙生物能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will easily cause the coal to not ignite after the straw is completely burned, and the synergistic effect cannot be achieved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A composite biomass fuel particle, by weight percentage:

[0031] Straw 10%, mahogany stem 19.5%, bamboo chips 35%, anthracite 35%, potassium permanganate 0.5%. The lignin content of tree stems is 20~28%; the lignin content of bamboo chips is 23~32%. The moisture content of straw and stems is ≦8%; the moisture content of bamboo chips is ≦5%.

[0032] The preparation method is:

[0033] a) Weighing: Weigh the straw, tree stem, bamboo chips, anthracite and oxidant in proportion;

[0034] b) Pulverization: respectively pulverize the straw, tree stems and bamboo chips in step a;

[0035] c) Screening and drying: drying the powder materials obtained in step b respectively, and simultaneously removing large-volume incompletely pulverized components, and controlling the moisture content of straw, tree stems, and bamboo chips;

[0036] d) Mixing: Mix the components such as straw, tree stems, bamboo chips, anthracite, and oxidant after drying in step c with a mixer;

[0037...

Embodiment 2

[0040] A composite biomass fuel particle, by weight percentage:

[0041] Straw 7.8%, mahogany stem 32%, bamboo chips 28%, anthracite 32%, sodium nitrate 0.2%. The lignin content of tree stems is 20~28%; the lignin content of bamboo chips is 23~32%. The moisture content of straw and stems is ≦8%; the moisture content of bamboo chips is ≦5%. The preparation method is the same as in Example 1.

Embodiment 3

[0043] A composite biomass fuel particle, by weight percentage:

[0044] Straw 14%, mahogany stem 22%, bamboo chips 37.2%, anthracite 26%, potassium nitrate 0.8%. The lignin content of tree stems is 20~28%; the lignin content of bamboo chips is 23~32%. The moisture content of straw and stems is ≦8%; the moisture content of bamboo chips is ≦5%. The preparation method is the same as in Example 1.

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PUM

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Abstract

The invention relates to the field of biomass fuels, in particular to composite biomass fuel particles and a preparation method thereof. A composite biomass fuel particle is composed of the following components by weight percentage: 5-15% of straw; 20-35% of tree stem; 25-40% of bamboo chips; 20-40% of anthracite; and 0.1-1% of oxidant. The composite biomass fuel particles of the present invention have low water content and high combustion value. Compared with the conventional biomass fuel particles compressed and molded with straw, the present invention adjusts and optimizes the formula and realizes the synergistic combustion of coal and biomass. , can greatly improve the combustion efficiency, reduce the ignition temperature, and the combustion time is long, and there is no harmful gas and acid gas emission after combustion.

Description

technical field [0001] The invention relates to the field of biomass fuels, in particular to composite biomass fuel particles and a preparation method thereof. Background technique [0002] At present, most of the fuels used by people are fossil energy such as coal, oil, and natural gas, which are non-renewable resources. They will gradually be exhausted under the large-scale exploitation of human beings, and a large amount of toxic gases will be emitted into the air during combustion, causing air pollution. Serious pollution, for this reason human beings are looking for renewable clean fuels to replace. [0003] Combusting biomass such as wood or agricultural and forestry waste with coal can not only efficiently utilize waste, but also reduce NO x emissions. Because biomass has less nitrogen than coal, and moisture cools the combustion process, reducing NO x heat formation. At the same time, due to the strong activity of biomass, co-firing with coal shows good synergy. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L5/44
CPCY02E50/10Y02E50/30
Inventor 叶杰珍
Owner 龙门县景龙生物能源有限公司