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Preparation method of biomass fuel

A biomass fuel and biomass technology, applied in the direction of biofuel, waste fuel, fuel, etc., can solve the problems of ash accumulation and slagging combustion, and achieve the effects of reducing emissions, reducing slagging rate, and improving combustion thermal efficiency

Inactive Publication Date: 2020-03-27
XIAN SENWAS AGRI SCI & TECH
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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 preparing biomass fuel, which solves the problems in the prior art that are prone to ash accumulation and slag during the combustion process of straw-based biomass charcoal, which is not conducive to combustion

Method used

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Examples

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Effect test

preparation example Construction

[0015] A preparation method of a biomass fuel, comprising: first crushing the biomass through a pulverizer, then drying the biomass, and then entering a carbonization machine for carbonization treatment, and the carbonized finished carbon is cooled by a cooling device to obtain a carbonized material; the carbonized The raw material is mixed with a combustion aid and clean coal particles, then extruded and granulated, and then dried to obtain a biomass fuel.

[0016] The mass ratio of the clean coal particles to the combustion accelerant is 1:0.007-0.02, the carbonized material accounts for 20-30% of the biomass fuel volume, and the clean coal particles account for 60-70% of the biomass fuel volume.

[0017] The preparation process of combustion aid is:

[0018] Weigh 200-220g of bentonite powder and 15-25g of alumina fine powder, mix them in a vibrating mill for 2-3 hours, add 1500-1700ml of sodium carbonate aqueous solution under stirring, add 0.3-0.35g of linear alkylbenzene...

Embodiment 1

[0023] First, corn straw, wheat straw, and cotton straw are pulverized by a pulverizer and mixed, then dried, and then put into a carbonization machine for carbonization treatment, and the carbonized finished carbon is cooled by a cooling device to obtain a carbonized material;

[0024] Weigh 200g of bentonite powder and 15g of alumina fine powder, mix them in a vibrating mill for 2 hours, add 1500ml of sodium carbonate aqueous solution under stirring, add 0.3g of linear alkylbenzene sulfonate after mixing, keep stirring for 2 hours, and let stand 7h, then centrifuged for 30min, and the solid precipitate was dried in an oven at a temperature of 100°C for 10h to obtain a combustion accelerant;

[0025] Mix the carbonized material with a combustion aid and clean coal particles, wherein the mass ratio of the clean coal particles to the combustion aid is 1:0.007, the carbonized material accounts for 20% of the volume of the biomass fuel, and the clean coal particles account for 60%...

Embodiment 2

[0027] Cotton stalks and rice stalks are pulverized by a pulverizer first and mixed, then dried, and then entered into a carbonization machine for carbonization treatment, and the carbonized finished carbon is cooled by a cooling device to obtain a carbonized material;

[0028] Weigh 205g of bentonite powder and 16g of alumina fine powder, mix them in a vibrating mill for 2 hours, add 1550ml of sodium carbonate aqueous solution under stirring, add 0.32g of linear alkylbenzene sulfonate after mixing, continue stirring for 3 hours, and let stand 7h, and then centrifuged for 35min, and the solid precipitate was dried in an oven with a temperature of 102°C for 10.5h to obtain a combustion enhancer;

[0029] Mix the carbonized material with a combustion aid and clean coal particles, wherein the mass ratio of the clean coal particles to the combustion aid is 1:0.009, the carbonized material accounts for 22% of the volume of the biomass fuel, and the clean coal particles account for 6...

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Abstract

The invention discloses a preparation method of biomass fuel. The preparation method comprises the steps of: pulverizing biomass by a pulverizer, performing drying, performing carbonizing in a carbonizing machine, and cooling the carbonized finished product carbon by a cooling device to obtain a carbonized material; and mixing the carbonized material with a combustion improver and clean coal particles, and performing extruding and granulating, and drying to obtain the biomass fuel. The biomass is carbonized to obtain the fuel, the combustion heat efficiency is improved, alkali metal elements in ash can be prevented from generating low-melting-point compounds, the slagging rate is reduced, and the slagging temperature of the straw biomass charcoal fuel is increased.

Description

technical field [0001] The invention belongs to the technical field of fuel preparation methods, and relates to a preparation method of biomass fuel. Background technique [0002] Biomass fuel is a block-shaped environmentally friendly new energy produced by processing straw, straw, rice husk, peanut husk, corncob, camellia husk, cottonseed husk, etc., as well as "three leftovers". China is a country with a large population and a country with rapid economic development. In the 21st century, it will face the dual pressure of economic growth and environmental protection. Therefore, changing the way of energy production and consumption, and developing and utilizing renewable clean energy resources such as biomass energy are of great significance to establishing a sustainable energy system, promoting national economic development and environmental protection. [0003] The development and utilization of biomass energy is of special significance to rural China. 80% of China's pop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/02C10L5/44C10L9/10
CPCC10L5/02C10L5/445C10L5/447C10L9/10Y02E50/10Y02E50/30
Inventor 陈虹
Owner XIAN SENWAS AGRI SCI & TECH
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