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Composite briquette binder

A composite briquette and binder technology, applied in the petroleum industry, waste fuel, solid fuel, etc., can solve problems such as high ash content, poor structural stability, and low carbon content of briquettes, and achieve carbon and nitrogen content High, reduce ash content, ensure the effect of carbon content

Active Publication Date: 2020-02-04
曲阳县建硕型煤有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The technical problem to be solved by the present invention: Aiming at the problems of high ash content, low carbon content and poor structural stability in the briquettes prepared by the commonly used briquette binders at present, a composite briquette binder is provided

Method used

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Examples

Experimental program
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Effect test

preparation example Construction

[0037] The preparation method of briquette binding material A comprises the steps:

[0038](1) In parts by mass, take 7-13 parts of lithium-based grease, 2-5 parts of sodium-based bentonite, 1-3 parts of auxiliary materials, 3-7 parts of sodium aluminosilicate, 1-4 parts of dispersant, 4 ~8 parts of hydrogen-containing silicone oil, 30-50 parts of ethanol solution with a volume fraction of 70%, firstly take hydrogen-containing silicone oil, lithium-based grease, and auxiliary materials and mix them in a reactor, stir magnetically at 400-700r / min for 30-55min, add sodium Mix base bentonite, sodium aluminosilicate, dispersant, and ethanol solution, and shear and disperse at 2000~4000r / min for 15~25min to obtain a dispersion. At 28~36°C, add trimethyl Mix and stir the chlorosilane for 1~3h, filter with suction, collect the filter residue, wash it with water for 2~4 times, move it to a 65~80℃ oven and dry it for 1~3h to obtain the base material;

[0039] (2) Under a nitrogen atmo...

Embodiment 1

[0043] Dispersant: Mix sodium dodecylbenzenesulfonate and fatty alcohol polyoxyethylene ether at a mass ratio of 2:1 to obtain a dispersant.

[0044] Catalyst: Mix chloroplatinic acid and ferrocene at a mass ratio of 1:1 to obtain a catalyst.

[0045] Additive: Mix linseed oil and hydroxyapatite at a mass ratio of 1:3 to obtain the additive.

[0046] Auxiliary material: Mix polyacrylamide and hydroxyethyl cellulose at a mass ratio of 2:1 to obtain an auxiliary material.

[0047] Modifier: Mix β-cyclodextrin, microcrystalline paraffin, and lecithin at a mass ratio of 5:1:1 to obtain a modifier.

[0048] Pretreatment lignite: take lignite and crush it through a 60-mesh sieve, wash the sieved material twice with a sodium bicarbonate solution with a mass fraction of 15%, and dry it to obtain a dry product. Take the dry product and add it in a mass ratio of 7:5:1 Mix itaconic acid and acrylamide evenly, evaporate under reduced pressure to constant weight, and obtain pretreated li...

Embodiment 2

[0056] Dispersant: Mix sodium dodecylbenzenesulfonate and fatty alcohol polyoxyethylene ether at a mass ratio of 5:1 to obtain a dispersant.

[0057] Catalyst: Mix chloroplatinic acid and ferrocene in a mass ratio of 1:3 to obtain a catalyst.

[0058] Additive: Mix linseed oil and hydroxyapatite at a mass ratio of 1:6 to obtain the additive.

[0059] Auxiliary materials: Mix polyacrylamide and hydroxyethyl cellulose at a mass ratio of 5:1 to obtain auxiliary materials.

[0060] Modifier: Mix β-cyclodextrin, microcrystalline paraffin, and lecithin at a mass ratio of 8:1:2 to obtain a modifier.

[0061] Pretreatment lignite: take lignite and crush it through a 60-mesh sieve, take the sieved material and wash it with 15% sodium bicarbonate solution for 4 times, then dry it to obtain a dry product, take the dry product and add it according to the mass ratio of 13:5:1 Mix itaconic acid and acrylamide evenly, evaporate under reduced pressure to constant weight, and obtain pretreat...

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Abstract

The invention discloses a composite briquette binder, and belongs to the field of briquettes. Lithium-based lubricating grease, sodium-based bentonite, sodium aluminosilicate and the like are taken asraw materials to prepare a briquette binding material A, wherein the lithium-based grease has good fretting-wear-resisting performance, and while providing hydrophobicity and permeability effects andthe stable thermal effect, added hydrogen-containing silicone oil also possibly assists in providing the bonding stability of a blend, improves the bunching effect on pulverized coal particles and steadily improves the thermal effect and formation effect of the briquettes; and fish skin, rice straw, Lactobacillus bulgaricus and the like are blended and fermented, fish skin tissue and straw tissueare destroyed by microbial metabolism to obtain gum and saccharides, and thus the carbon content is increased while cohesiveness is ensured. The problems of high ash content, low carbon content and poor structural stability of the briquettes prepared through a briquette binder commonly used at present are solved.

Description

technical field [0001] The invention belongs to the field of preparation of molded coal, and in particular relates to a composite molded coal binder. Background technique [0002] Coal is the most abundant energy resource, which is cheap, easy to obtain and widely used. With the improvement of environmental protection requirements in recent years, especially higher requirements are put forward for the amount of dust and sulfur-containing compounds produced by coal combustion. In large coal-consuming enterprises such as thermal power plants, the emission of dust and sulfur compounds can usually be reduced through a dedicated dust removal and purification system. These measures are difficult to implement in small-scale coal use sites such as barbecue coal. Therefore, the coal fuel itself needs to be treated. Among them, the pulverized coal can be processed through bonding and molding, which can effectively reduce the escape of dust and improve the utilization rate of pulver...

Claims

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Application Information

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IPC IPC(8): C10L5/10
CPCC10L5/105Y02E50/30
Inventor 曾坤宁
Owner 曲阳县建硕型煤有限公司
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