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Industrial honey comb briquette

A briquette and industrial technology, applied in the petroleum industry, solid fuel, fuel, etc., can solve the problems of briquette fragmentation, high strength and ash melting point

Inactive Publication Date: 2006-09-13
苗冠强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Currently commonly used binders include coal tar, asphalt, pulp waste liquid and other organic substances and lime, clay, water glass and other inorganic substances. However, it still has the defects of high strength and ash melting point. When it is used in some industrial kilns such as ceramic kilns and cement kilns that require higher briquette strength, these briquettes will be broken in large quantities during the combustion process, and cannot be easily well meet the requirements of use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] Embodiment 1: 100 parts of bituminous coal, 10 parts of lightly burned powder, 1 part of magnesium sulfate, add appropriate amount of water (the total water content can generally be controlled at 10-18%, the same below) and mix evenly, and adopt a pressure of 25MPa to roll forming Machine molding, cool and dry at room temperature for 48 hours to make it effectively consolidated, after consolidation, ventilate and dry to form a briquette product.

Embodiment 2

[0009] Embodiment 2: 100 parts of bituminous coal, 5 parts of lightly burned powder, 3 parts of magnesium sulfate, add appropriate amount of water and mix evenly. The production method is the same as that of Example 1. This proportion is the preferred solution for most bituminous coal.

Embodiment 3

[0010] Embodiment 3: 100 parts of bituminous coal, 3 parts of lightly burned powder, 8 parts of magnesium sulfate, add appropriate amount of water and mix evenly. The production method is the same as that of Embodiment 1.

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PUM

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Abstract

This invention relates to industrial briquette, it is mainly composed of powder coal, light burning powder and magnesia. Its main materials match is bituminous coal 100 parts, light burning powder 3-10 parts, magnesium sulplate 1-8 parts. For more bituminous coal, optimal matching is that bituminous coal 100 parts, light burning powder 5 parts, magnesium sulplate 3 parts. For most bituminous coal, optimal matching is that bituminous coal 100 parts, light burning powder 5 parts, magnesium sulplate 5 parts, and bituminous coal or light coal 1-2 parts can be added. Cold press molding method can be used in this kind molded coal, its single cold strength can reach 1000-1200N, heat strength can reach 400-500N, ash fusing point is 130 degree centigrade. During its stock and transportation, burning process, it will not crack, disperse, collapse, its burning state in furnace is good, burning is full, flue dust content is low, and with certain sulfur fixing effect, it is mainly used all kinds of pottery kiln, cement kiln and other industrial furnaces.

Description

technical field [0001] The invention relates to an industrial briquette, which can be mainly used in various ceramic kilns, cement kilns and other industrial kilns. Background technique [0002] The briquette coal used in industrial kilns is made by pulverized coal molding. The pulverized coal is pressed by a roller forming machine or a screw extruder, and the pores between the pulverized coal particles and inside the particles are reduced, and then agglomerated. A briquette with a certain volume and shape is formed. For bituminous coal and anthracite, due to their own low cohesiveness, a certain amount of binder needs to be added to the raw materials to ensure the compressive strength after molding and molding, and to avoid damage during storage and transportation, water contact, furnace and combustion. Breaking, forming powder or generating dust, leading to deterioration of the combustion state in the furnace and increasing the concentration of smoke in the flue gas. Cur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/04
Inventor 苗冠强
Owner 苗冠强
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