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A kind of multifunctional high-efficiency gas-making briquette and its preparation method

A multi-functional and efficient technology, applied in the petroleum industry, solid fuel, fuel, etc., can solve the problems that hinder the development and application of coal briquettes, the cost of coal remains high, and the cold and hot strength of briquettes is low, achieving low ash content, High cold strength and good wettability

Inactive Publication Date: 2015-10-14
广州中科高成环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the commonly used binders are inorganic substances, organic substances and composites. These binders have adapted to the requirements of pulverized coal molding in certain occasions and have also been used in certain applications. However, the briquettes made of these binders still exist. The shortcomings of low cold and heat intensity and low calorific value cannot meet the needs of coal-fired enterprises with high coal-fired requirements. high

Method used

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  • A kind of multifunctional high-efficiency gas-making briquette and its preparation method
  • A kind of multifunctional high-efficiency gas-making briquette and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] A multifunctional and efficient gas-making briquette consists of the following components in parts by weight:

[0048] 87 parts of pulverized coal

[0049] 11 parts of water

[0050] 2 parts adhesive

[0051] The binder in the above-mentioned, its proportioning by weight is:

[0052] Clay 54 parts

[0053] Calcium hydroxide 16 parts

[0054] 16 parts petroleum coke powder

[0055] 8 parts ammonium bicarbonate

[0056] 6 parts of cement

[0057] Weigh pottery clay, calcium hydroxide, petroleum coke powder, ammonium bicarbonate and cement according to the above proportions, mix and stir evenly, add pulverized coal and water weighed in the above proportions, mix well and extrude, then send them into the drying furnace , and dried at 180-220°C for 2-3 hours to make briquettes. The prepared briquette was burned at 1000° C. for 15 minutes. The technical performance indicators of the prepared briquette in the present embodiment are as follows:

[0058]

Embodiment 2

[0060] A multifunctional and efficient gas-making briquette consists of the following components in parts by weight:

[0061] 84 parts of pulverized coal

[0062] 13 parts of water

[0063] 3 parts adhesive

[0064] The binder in the above-mentioned, its proportioning by weight is:

[0065] Clay 54 parts

[0066] Calcium hydroxide 16 parts

[0067] 16 parts petroleum coke powder

[0068] 8 parts ammonium bicarbonate

[0069] 6 parts of cement

[0070] Weigh pottery clay, calcium hydroxide, petroleum coke powder, ammonium bicarbonate and cement according to the above proportions, mix and stir evenly, add pulverized coal and water weighed in the above proportions, mix well and extrude, then send them into the drying furnace , and dried at 180-220°C for 2-3 hours to make briquettes. The prepared briquette was burnt at 1000°C for 15 minutes, and the prepared briquette technical performance index in the present embodiment is as follows:

[0071]

Embodiment 3

[0073] A multifunctional and efficient gas-making briquette consists of the following components in parts by weight:

[0074] 85 parts of pulverized coal

[0075] 12 parts of water

[0076] 3 parts adhesive

[0077] The binder in the above-mentioned, its proportioning by weight is:

[0078] Clay 59 parts

[0079] Calcium hydroxide 15 parts

[0080]14 parts petroleum coke powder

[0081] 8 parts ammonium bicarbonate

[0082] 4 parts of cement

[0083] Weigh pottery clay, calcium hydroxide, petroleum coke powder, ammonium bicarbonate and cement according to the above proportions, mix and stir evenly, add pulverized coal and water weighed in the above proportions, mix well and extrude, then send them into the drying furnace After drying at 180-220°C for 2-3 hours, briquettes are made. The prepared briquette was burned at 1000° C. for 15 minutes. The technical performance indicators of the prepared briquette in the present embodiment are as follows:

[0084]

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Abstract

The invention discloses multifunctional high-efficiency gas-making molded coal and a preparation method thereof. The multifunctional high-efficiency gas-making molded coal is composed of powdered coal, an adhesion agent and water, and comprises the component ratios calculated according to the weight parts: 84-87 parts of the powdered coal, 10-13 parts of water, and 2-3 parts of the adhesion agent. The preparation method of the multifunctional high-efficiency gas-making molded coal comprises the following steps: after mixing evenly pottery clay, calcium hydroxide, petroleum coke powder, ammonium bicarbonate and cement to prepare the adhesion agent, stirring evenly the adhesion agent with water and the powdered coal for extrusion molding, then sending into a drying oven, and drying at the temperature of 180-220 DEG C for 2-3 hours to obtain the molded coal. The molded coal has high fixed carbon content, and improves the gas producing amount and the gas producing efficiency; the molded coal has high cold and heat strength, ensures convenient storage and transportation, is not broken into pieces when being put into a furnace, and does not come loose at the high temperature; the molded coal has low ash slag content and good sulfur fixation effect, thereby reducing the pollution of the environment; and the preparation method has the advantages of simple operation and convenient preparation.

Description

technical field [0001] The invention relates to an industrial briquette, in particular to a multifunctional and high-efficiency gas-making briquette and a preparation method thereof. Background technique [0002] The main raw material for producing gas from coal is high-quality anthracite lump coal, but the reserves of anthracite lump coal only account for about 1% of coal reserves, and the yield of lump coal has declined, and the price has continued to rise, which cannot meet the needs of industrial development for lump coal. In addition to lump coal, there is also a large amount of pulverized coal. Due to the improvement of coal mining mechanization, anthracite pulverized coal accounts for 60% of the anthracite output. If it is not fully utilized, it will seriously affect the environment and health. [0003] At present, it is usually possible to use binders to make pulverized coal into briquettes. The briquettes can replace a part of lump coal that does not have high requi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L5/12
Inventor 陈佐会陈科全
Owner 广州中科高成环保科技有限公司
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