Clean type coal only taking starch as binder and preparation method thereof

A technology of binder and starch, which is applied in the field of clean briquette and its preparation using only starch as binder, can solve the problems of low viscosity of inorganic, low product yield, high cost of coal, etc., and achieve less ash after combustion , high calorific value and long burning time

Inactive Publication Date: 2019-07-05
武威市型形煤化有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a clean briquette with only starch as a binder and its preparation method, which solves the problem of high cost of coal in the prior art, harmful gas volatilized during the combustion process, low viscosity of inorganic types, and low product yield. Low, low strength, difficult to transport problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of clean briquette that only uses starch as binder described in this embodiment, the clean briquette that only uses starch as binder is made of raw materials including the following parts by weight: 2 parts of anthracite, extracted 7 parts of low volatile semi-coke, 6 parts of coking coal powder, 1-2 parts of anthracite slime; 2% of raw material weight starch is also included.

[0025] Above-mentioned a kind of preparation method that only uses starch to make the clean briquette of binding agent, comprises the following steps:

[0026] (1) Material selection: select 2 parts of anthracite, 7 parts of refined low-volatile semi-coke, 6 parts of coking coal powder, and 1-2 parts of anthracite slime as raw materials;

[0027] (2) Pulverization: pulverize the raw materials in step (1) to 80-100 mesh, and pulverize the remaining raw materials to a particle size of 0-3MM, and the pulverized raw materials have a particle size of 0-3MM and account for more than 85%;

[00...

Embodiment 2

[0034] A kind of clean briquette that only uses starch as binder described in this embodiment, the clean briquette that only uses starch as binder is made of raw materials including the following parts by weight: 3 parts of anthracite, extracted 8 parts of low volatile semi-coke, 7 parts of coking coal powder, 2 parts of anthracite slime; also includes 4% starch by weight of raw materials.

[0035] Above-mentioned a kind of preparation method that only uses starch to make the clean briquette of binding agent, comprises the following steps:

[0036] (1) Material selection: select 3 parts of anthracite, 8 parts of refined low-volatile semi-coke, 7 parts of coking coal powder, and 2 parts of anthracite slime as raw materials;

[0037] (2) Pulverization: pulverize the raw materials in step (1) to 80-100 mesh, and pulverize the remaining raw materials to a particle size of 0-3MM, and the pulverized raw materials have a particle size of 0-3MM and account for more than 85%;

[0038]...

Embodiment 3

[0044] A kind of clean briquette that only uses starch as a binder described in this embodiment, the clean briquette that only uses starch as a binder is made of raw materials that include the following parts by weight: 2.5 parts of anthracite, extracted 7.5 parts of low-volatile semi-coke, 6.5 parts of coking coal powder, and 3.5 parts of anthracite slime; 3% of raw material weight starch is also included.

[0045] Above-mentioned a kind of preparation method that only uses starch to make the clean briquette of binding agent, comprises the following steps:

[0046] (1) Material selection: select 2.5 parts of anthracite coal, 7.5 parts of refined low-volatile semi-coke, 6.5 parts of coking coal powder, and 3.5 parts of anthracite slime as raw materials;

[0047] (2) Pulverization: pulverize the raw materials in step (1) to 80-100 mesh, and pulverize the remaining raw materials to a particle size of 0-3MM, and the pulverized raw materials have a particle size of 0-3MM and accou...

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Abstract

The invention relates to a clean type coal only taking starch as a binder and a preparation method thereof. The clean type coal only taking the starch as the binder is prepared from, by weight, one ormultiple of anthracite, extracted low-volatile semi-coke, coking coal powder and an thraciteslime and starch serving as the binder. According to the clean type coal only taking the starch as the binder and the preparation method thereof, the problems are solved that in the prior art, the cost of coal is high, in the combustion process, harmful gas is generated and volatilized, inorganic viscosityis low, the product yield is low, the strength is low, and transportation is difficult.

Description

technical field [0001] The invention relates to the field of clean briquettes, in particular to a clean briquette using only starch as a binder and a preparation method thereof. Background technique [0002] As we all know, coal is an unclean solid fuel energy source, which has a serious impact on air pollution after combustion. At present, the country is governing the environment to reduce the pollution caused by coal-burning emissions to the atmosphere. Local governments have introduced corresponding control measures, requiring people to use energy such as heating in their daily lives. Use clean briquettes. Briquette is a kind of clean briquette, and many domestic and foreign enterprises are researching, developing and applying clean briquette technology. Clean briquettes are optimized combinations of raw coals with different characteristics. Coal resources are different in different regions. The use of binders, combustion improvers, additives, etc. that do not cause seco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/14C10L5/04
CPCC10L5/04C10L5/14
Inventor 许国荣王世保赵文韩亦伦
Owner 武威市型形煤化有限责任公司
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