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 shortened filter service life and reduced combustion efficiency, so as to prolong the service life, improve combustion efficiency and reduce the generation of KCL Effect
Inactive Publication Date: 2016-10-26
无锡市华东电力设备有限公司
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Problems solved by technology
However, there is often a problem with the use of biomass fuel as boiler energy in the combustion chamber, that is, biomass fuel often has a high content of potassium and chlorine. During the combustion process, the two form KCL, which is deposited in the superheated The surface of the filter, the local heat transfer surface is covered by it, resulting in reduced combustion efficiency and greatly shortened service life of the filter
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Embodiment Construction
[0006] A specific embodiment of the present invention, a preparation method of biomass fuel, comprising the following steps: firstly crush the biomass raw material, pass the crushed raw material through a 100-mesh sieve, then add an organic solvent, and stir evenly, and then mix the above-mentioned mixture Through the cation exchange device and anion exchange device in turn, the potassium ions and chloride ions are replaced. After the replacement, C4-C9 higher carbon alcohol is added in proportion to gelatinize the starch and stir evenly, and then enter the molding device for shaping.
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The invention relates to a preparation method of biomass fuel. The method includes the following steps of smashing biomass raw materials, making the smashed raw materials pass through a 100-mesh screen, adding organic solvent to be evenly stirred, making the mixture sequentially pass through a cation exchange device and an anion exchange device to substitute potassium ions and chloride ions in the mixture, adding C4-C9 high alcohols in proportion after substitution, gelatinizing starch and evenly stirring the materials, and making the materials enter a forming device to be shaped. By removing potassium ions in the biomass raw materials, the generation of KCL in the combustion process can be effectively reduced, and therefore the stain coverage of produced sylvite on a boiler superheater is reduced, the combustion efficiency of a boiler is improved, and meanwhile the service life of the boiler can be prolonged.
Description
technical field [0001] The invention relates to a preparation method of biomass fuel, in particular to a novel preparation method of biomass fuel which can improve combustion efficiency and prolong the service life of boilers. Background technique [0002] With the continuous rise of energy prices and the depletion of resources such as oil and coal, biomass fuels have gradually attracted people's attention. Biomass fuels are mostly derived from wastes generated in agricultural production, such as straw, chaff and so on. However, there is often a problem with the use of biomass fuel as boiler energy in the combustion chamber, that is, biomass fuel often has a high content of potassium and chlorine. During the combustion process, the two form KCL, which is deposited in the superheated The surface of the filter, the local heat transfer surface is covered by it, resulting in reduced combustion efficiency and greatly shortened service life of the filter. Contents of the invent...
Claims
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IPC IPC(8): C10L5/44
CPCY02E50/10Y02E50/30C10L5/44C10L2230/22
Inventor 丁建峰
Owner 无锡市华东电力设备有限公司