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Biomass particle fuel and preparation method thereof

A biomass particle and fuel technology, applied in waste fuel, fuel, solid fuel and other directions, can solve the problems of low quality of biomass fuel, limited availability of biomass, low calorific value, etc., so as to improve the calorific value and quality And the effect of excellent combustible structure and low energy consumption

Inactive Publication Date: 2015-09-23
广西稳德福能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] It is also for this reason that biomass fuels have been promoted and applied in the field of energy substitution due to their renewable characteristics. However, the biomass fuels in the prior art all use original biomass fuels as raw materials. It is obtained by simple high-temperature and high-pressure extrusion molding, which in turn leads to the low quality of the prepared biomass fuel, and the low calorific value during the combustion process, so that 1 ton of the prepared biomass fuel can only be equivalent to 0.5 tons of standard coal combustion. The calorific value is even lower, which in turn limits the areas where biomass can be used

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A biomass pellet fuel whose raw material components are 20 kg of cow dung, 30 kg of biogas residue, 100 kg of sawdust noodles, 17 kg of trench oil, 11 kg of yellow mud, 5 kg of corn stalks, and 0.5 kg of combustion aid by weight.

[0019] The combustion-supporting agent is potassium chlorate.

[0020] The yellow mud has an organic content of 11% and a moisture content of 13%.

[0021] The above-mentioned preparation method of biomass pellet fuel is to mix cow dung, biogas residue, sawdust noodles, yellow mud, and corn stalks according to the ratio, and then place them in a fermentation tank, control the temperature of the fermentation tank to 30°C, and ferment The humidity of the tank is 50%. After 20 hours of fermentation, the waste oil is poured into the fermentation tank, and the stirring speed is 1000r / min for 1 hour, and then the temperature of the fermentation tank is adjusted to 55℃, and the fermentation tank is in an anaerobic environment , And its humidity is 65% for...

Embodiment 2

[0023] A biomass pellet fuel whose raw material components are 30 kg of cow dung, 50 kg of biogas residue, 130 kg of sawdust noodles, 27 kg of trench oil, 23 kg of yellow mud, 10 kg of corn stalks, and 3.9 kg of combustion aid.

[0024] The combustion-supporting agent is potassium nitrate.

[0025] The yellow mud has an organic content of 17% and a moisture content of 27%.

[0026] The above-mentioned preparation method of biomass pellet fuel is to mix cow dung, biogas residue, sawdust noodles, yellow mud, and corn stalks according to the ratio, and then place them in a fermentation tank, and control the temperature of the fermentation tank to 50°C. The humidity of the fermentation tank is 65%. After 30 hours of fermentation, the waste oil is poured into the fermentation tank, and the stirring speed is 3000r / min for 3 hours. Then the temperature of the fermentation tank is adjusted to 73℃, and the fermentation tank is anaerobic Environment, and its humidity is 73% for fermentation t...

Embodiment 3

[0028] A biomass pellet fuel whose raw material components are 25kg of cow dung, 40kg of biogas residue, 120kg of sawdust, 20kg of trench oil, 17kg of yellow mud, 8kg of corn stalks, and 2.2kg of combustion aid.

[0029] The combustion-supporting agent is potassium chlorate.

[0030] The organic matter content of the yellow mud is 13%, and the moisture content of the yellow mud is 19%.

[0031] The above-mentioned preparation method of biomass pellet fuel is to mix cow dung, biogas residue, sawdust noodles, yellow mud, and corn stalks according to the ratio, and then place them in a fermentation tank, and control the temperature of the fermentation tank to 40°C. The humidity of the fermentation tank is 55%. After 25 hours of fermentation treatment, the waste oil is poured into the fermentation tank, and the stirring speed is 2000r / min for 2 hours, and then the temperature of the fermentation tank is adjusted to 63℃, and the fermentation tank is anaerobic Environment, and its humidit...

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Abstract

The invention relates to the technical field of biomass fuel, in particular to biomass particle fuel and a preparation method thereof. The biomass particle fuel and the preparation method are characterized in that cow dung, biogas residues, sawdust, yellow mud and corn straw are pre-fermented to change the structure layer of the biomass raw materials and form a compact structure, high-content organic matter is formed, and organic matter components are increased; drainage oil is poured into the organic matter, high-speed stirring is used to allow microscopic biochemical reaction between the drainage oil and the fermented materials, and organic matter mass and quality are increased; the stirred mixture is fermented to further convert the organic matter so as to increase the combustible substances in the organic matter and improve the quality of the organic matter; combustion improver is added and extrusion forming is performed to allow the prepared biomass particle fuel to be good in quality.

Description

Technical field [0001] The invention relates to the technical field of biomass fuel, in particular to a biomass pellet fuel and a preparation method thereof. Background technique [0002] The dominance of coal in the energy composition has continued for decades in China. In recent years, with the increase in my country's oil, natural gas and hydropower development, the proportion of coal in the energy composition has decreased, but its dominant position has not changed. The consumption and use of a large amount of fossil fuels has constituted the main source of environmental pollution. The air quality in many cities in our country is poor, which seriously threatens the development of cities and people's health. The greenhouse effect caused by exhaust gas emissions is becoming more and more serious. Over time, natural energy will be exhausted. Strengthening the development and utilization of renewable energy is the only way to deal with the increasingly serious energy crisis and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/40
CPCY02E50/30
Inventor 方美淋李召立
Owner 广西稳德福能源科技有限公司
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