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Briquette containing composite binder and burning synergistic agent and preparation method thereof

The technology of a synergist and a binder is applied in the field of briquette containing a composite binder and a combustion synergist and its preparation, and achieves the effects of low production cost, environmental protection and enhanced adaptability

Inactive Publication Date: 2014-02-26
广西桂晟新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these improvements still fail to meet people's quality requirements for briquettes, so it is still necessary to develop new briquettes and improve briquette technology to solve the problems existing in existing briquettes

Method used

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  • Briquette containing composite binder and burning synergistic agent and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The preparation method of briquette containing composite binder and combustion synergist comprises the following steps:

[0026] 1. Weigh respectively according to the weight percentage of raw material components: bituminous coal powder 95kg, pregelatinized starch 5.5kg, kaolin 7.5kg, polyvinyl alcohol 1kg, potassium permanganate 0.05kg, sodium chloride 0.90kg, sodium carbonate 0.05kg kg;

[0027] 2. Add 13.2kg of water into the reactor, add polyvinyl alcohol, heat to 95°C, stir to dissolve completely, then add potassium permanganate, sodium chloride, and sodium carbonate respectively, stir to dissolve completely, and obtain a mixed solution;

[0028] 3. Mix the pregelatinized starch and kaolin evenly to obtain a mixture;

[0029] 4. Add the mixed solution and the mixture into the bituminous coal powder, stir and mix evenly, cold press molding, the molding pressure is 300 kg, and let it dry naturally.

Embodiment 2

[0031] The preparation method of briquette containing composite binder and combustion synergist comprises the following steps:

[0032] 1. Weigh respectively according to the weight percentage of raw material components: lignite powder 85kg, pregelatinized starch 1.5kg, refractory mud 2.9kg, polyvinyl alcohol 0.3kg, potassium permanganate 0.015kg, sodium chloride 0.27kg, sodium carbonate 0.015kg;

[0033] 2. Add 7.2kg of water into the reactor, add polyvinyl alcohol, heat to 80°C, stir to dissolve completely, then add potassium permanganate, sodium chloride, and sodium carbonate respectively, stir to dissolve completely, and obtain a mixed solution;

[0034] 3. Mix pregelatinized starch and refractory mud evenly to obtain a mixture;

[0035] 4. Add the mixed solution and the mixture into the lignite powder, stir and mix evenly, cold-press molding with a molding pressure of 200kg, and dry at 100°C to obtain the product.

Embodiment 3

[0037] The preparation method of briquette containing composite binder and combustion synergist comprises the following steps:

[0038] 1. Weigh respectively according to the weight percentage of raw material components: 90kg of anthracite powder, 3kg of pregelatinized starch, 2kg of kaolin, 2kg of bentonite, 0.6kg of polyvinyl alcohol, 0.03kg of potassium permanganate, 0.5kg of sodium chloride, sodium carbonate 0.03kg;

[0039] 2. Add 10kg of water into the reactor, add polyvinyl alcohol, heat to 90°C, stir to dissolve completely, then add potassium permanganate, sodium chloride, and sodium carbonate respectively, stir to dissolve completely, and obtain a mixed solution;

[0040] 3. Mix pregelatinized starch, kaolin and bentonite evenly to obtain a mixture;

[0041] 4. Add the mixed solution and the mixture into anthracite powder, stir and mix evenly, cold-press molding with a molding pressure of 300kg, and dry at 90°C to obtain the product.

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Abstract

The invention discloses a briquette containing a composite binder and a burning synergistic agent. The briquette contains raw material components of coal powder, the composite binder and the burning synergistic agent, wherein the composite binder comprises pregelatinized starch, clay and polyvinyl alcohol; and the burning synergistic agent comprises potassium permanganate, sodium chloride and sodium carbonate. The briquette has the advantages of being easy to burn, high in cold-hot strength, high in heat efficiency, little in equipment investment, low in production cost, friendly to environment and the like.

Description

technical field [0001] The invention relates to the technical field of coal processing, in particular to a molded coal containing a composite binder and a combustion synergist and a preparation method thereof. Background technique [0002] Briquette refers to the artificial "lump coal" that processes pulverized coal with a certain particle size into a certain shape, size, strength and physical and chemical properties with appropriate technology and equipment. Briquette has the advantages of simple process, low investment and low cost. And it can obtain the advantages of improving coal quality, improving combustion efficiency, and reducing coal pollution, so it is widely used as fuel in people's daily life and industrial production. [0003] Since the end of the 19th century, the development of briquette technology has gone through three stages: (1) simply pulverized coal briquetting, (2) pulverized coal molding and modification, (3) expanded application of briquette and effi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L5/14C10L9/10
Inventor 谢万年江东杨超群
Owner 广西桂晟新能源科技有限公司
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