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Coal-saving agent and preparation method thereof

A coal-saving agent and emulsifier technology, applied in the field of energy conservation and environmental protection, can solve the problems of easy volatility, high cost of raw materials, complex process, etc., and achieve the effects of reducing emissions, increasing load capacity, and improving combustion efficiency

Inactive Publication Date: 2018-12-28
GUANGZHOU AUSPICIOUS CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the raw materials used in the existing industrial coal-saving agent preparation methods are high in cost and complex in process, resulting in a substantial increase in the production cost of coal-saving agents, which limits the application and promotion of coal-saving agents. On the other hand, some coal-saving agents are unstable. , volatile shortcomings, this kind of coal-saving agent with unstable performance greatly limits the coal-saving efficiency of the coal-saving agent

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A preparation method of a coal-saving agent, comprising the following steps:

[0029] (1) Diatomite and chitosan solution with a mass concentration of 2% are mixed according to a weight ratio of 1:25, and ultrasonically vibrated at a frequency of 60HZ for 20min to obtain a dispersion;

[0030] (2) Add tetrabutyl titanate to the above dispersion, then raise the temperature to 35°C and ultrasonically disperse for 50 minutes, let it stand for 1 hour, filter to obtain the filter residue, and dry the filter residue at 100°C to obtain the modified chitosan diatomite;

[0031] (3) Put 2 parts by weight of sodium hydroxide, 6 parts by weight of manganese dioxide, and 5 parts by weight of potassium permanganate into 15 parts by weight of saturated lime water, stir evenly, then add 2 parts by weight of ammonium nitrate and 3 parts by weight of bicarbonate ammonium, mixed uniformly to obtain a mixed solution;

[0032] (4) Adding an alkylphenol polyoxyethylene ether emulsifier to...

Embodiment 2

[0036] A preparation method of a coal-saving agent, comprising the following steps:

[0037] (1) Diatomaceous earth and chitosan solution with a mass concentration of 1.5% were mixed according to a weight ratio of 2:33, and ultrasonically oscillated at a frequency of 60HZ for 25min to obtain a dispersion;

[0038] (2) Add tetrabutyl titanate to the above dispersion liquid, then raise the temperature to 40°C and ultrasonically disperse for 45min, let stand for 1h, filter to obtain filter residue, dry the filter residue at 100°C to obtain modified chitosan diatomite;

[0039] (3) Put 2 parts by weight of sodium hydroxide, 7 parts by weight of manganese dioxide, and 5 parts by weight of potassium permanganate into 20 parts by weight of saturated lime water, stir evenly, then add 2 parts by weight of ammonium nitrate and 5 parts by weight of bicarbonate ammonium, mixed uniformly to obtain a mixed solution;

[0040] (4) Add a sulfonic acid lipid emulsifier to the above mixed solu...

Embodiment 3

[0044]A preparation method of a coal-saving agent, comprising the following steps:

[0045] (1) Diatomite and chitosan solution with a mass concentration of 2% are mixed according to a weight ratio of 1:30, and ultrasonically oscillated at a frequency of 50HZ for 20min to obtain a dispersion;

[0046] (2) Add tetrabutyl titanate to the above dispersion liquid, then heat up to 38°C and disperse ultrasonically for 50 minutes, let stand for 2 hours, filter to obtain filter residue, dry the filter residue at 100°C to obtain modified chitosan diatomite;

[0047] (3) 1 part by weight of sodium hydroxide, 6 parts by weight of manganese dioxide, and 4 parts by weight of potassium permanganate are put into 15 parts by weight of saturated lime water, stir evenly, then add 3 parts by weight of ammonium nitrate and 3 parts by weight of bicarbonate ammonium, mixed uniformly to obtain a mixed solution;

[0048] (4) Add a fatty polyoxyethylene emulsifier to the above mixed solution, contro...

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PUM

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Abstract

The invention belongs to the technical field of energy conservation and environmental protection, and in particular designs a coal-saving agent and a preparation method of the coal-saving agent. According to the invention, chitosan modified diatomite is taken as a carrier, so that effective components such as an oxidant, catalysts and a swelling agent can be effectively adsorbed to increase the loading amount of active components, so as to improve the combustion efficiency of coal; oxygen molecules adsorbed by a porous structure of the diatomite can be released when the coal is burned to promote a fully adequate combustion reaction; aluminum oxide and ferric oxide components contained in the diatomite can be used as the catalysts for the combustion reaction to effectively catalyze the coalcombustion reaction to reduce carbon monoxide emissions; calcium oxide and magnesium oxide components contained in the diatomite can effectively adsorb sulfur dioxide generated during combustion andreduce sulfur dioxide emissions in the presence of sodium hydroxide.

Description

technical field [0001] The invention belongs to the technical field of energy saving and environmental protection, and in particular relates to a coal saving agent and a preparation method thereof. Background technique [0002] Coal is mainly composed of elements such as carbon, hydrogen, oxygen, nitrogen, sulfur, phosphorus, water, and ash. The sum of carbon, hydrogen, and oxygen accounts for more than 95% of the organic matter. There are lignite, bituminous coal, and anthracite. Coal resources are non-renewable resources. With the large-scale mining and use every year, the dust and carbon dioxide produced after a large amount of coal combustion will have an adverse impact on the environment and climate. Therefore, reducing coal consumption and carbon emissions is a must for all human beings. It is a very important issue of energy saving and environmental protection. Due to the low thermal efficiency of the coal-fired way of life, the combustion equipment cannot completely...

Claims

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Application Information

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IPC IPC(8): C10L9/10
CPCC10L9/10C10L2230/22
Inventor 杨东
Owner GUANGZHOU AUSPICIOUS CHEM
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