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A kind of biomass particle fuel and preparation method thereof

A biomass particle and fuel technology, applied in the direction of waste fuel, fuel, solid fuel, etc., can solve the problems of low quality of biomass fuel, low calorific value, and limitations in the field of biomass utilization, so as to improve the calorific value and energy Low consumption, excellent quality and combustible structure

Inactive Publication Date: 2017-06-06
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, the raw materials of which are 20kg of cow dung, 30kg of biogas residue, 100kg of sawdust, 17kg of waste oil, 11kg of yellow mud, 5kg of corn stalks and 0.5kg of combustion accelerant by weight.

[0019] Described combustion aid is potassium chlorate.

[0020] Described yellow mud, its organic matter content is 11%, and the moisture content of yellow mud is 13%.

[0021] The preparation method of the above-mentioned biomass pellet fuel, after mixing cow dung, biogas residue, sawdust, yellow mud, and corn stalks according to the proportion, put it in the fermentation tank, control the temperature of the fermentation tank to 30°C, and ferment The humidity in the tank is 50%. After 20 hours of fermentation treatment, pour waste oil into the fermentation tank, and use a stirring speed of 1000r / min to stir for 1 hour, and then adjust the temperature of the fermentation tank to 55 ° C. The fermentation tank is an anaerobic environment , and its humidit...

Embodiment 2

[0023] A biomass granular fuel, the raw material components are 30kg of cow dung, 50kg of biogas residue, 130kg of sawdust, 27kg of waste oil, 23kg of yellow mud, 10kg of corn stalks and 3.9kg of combustion accelerant by weight.

[0024] Described combustion aid is potassium nitrate.

[0025] Described yellow mud, its organic matter content is 17%, and the moisture content of yellow mud is 27%.

[0026] In the preparation method of the above-mentioned biomass pellet fuel, cow dung, biogas residue, sawdust, yellow mud, and corn stalks are mixed according to the proportion, and then placed in a fermentation tank, and the temperature of the fermentation tank is controlled to be 50°C. The humidity of the fermentation tank is 65%. After 30 hours of fermentation treatment, the waste oil is poured into the fermentation tank, and the stirring speed is 3000r / min for 3 hours, and then the temperature of the fermentation tank is adjusted to 73 °C, and the fermentation tank is anaerobic. ...

Embodiment 3

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

[0029] Described combustion aid is potassium chlorate.

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

[0031] In the preparation method of the above-mentioned biomass pellet fuel, cow dung, biogas residue, sawdust, yellow mud, and corn stalks are mixed according to the proportion, and then placed in a fermentation tank, and the temperature of the fermentation tank is controlled to be 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 ° C. environment, and its humidity is 69% to ...

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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 particle fuel and a preparation method thereof. Background technique [0002] Coal has dominated the energy mix in China for decades. In recent years, with the increase of my country's oil, natural gas and water energy 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 number of fossil fuels has become 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 also becoming more and more serious. As time goes by, 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 environmental...

Claims

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Application Information

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Patent Type & Authority Patents(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