Composite type coal-saving and catalyzing combustion improver

A combustion aid and composite technology, applied in the field of combustion additives, can solve the problems of polluted energy, waste, insufficient coal combustion, etc., and achieve the effects of complete coal combustion, increased removal rate, and accelerated combustion

Inactive Publication Date: 2013-08-21
桂林市产品质量监督检验所 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, my country's power plants, industrial boilers and other industries mainly use non-renewable energy such as coal as fuel. However, the incomplete combustion of coal and the incomplete combustion part enter the atmosphere and waste residue, causing pollution and waste of energy.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] 1. The composition of the composite coal-saving catalytic combustion aid is as follows:

[0038] Accelerator: 50kg of solid alcohol;

[0039] Inducer: Calcium peroxide 0.8kg;

[0040] Catalyst: 15kg, which contains 20% of nano-ferric oxide, 20% of nano-ferrous oxide, 25% of nano-ferric oxide, 10% of nano-manganese dioxide, 10% of sodium carbonate and 15% of potassium carbonate;

[0041] Dispersant: polyoxyethylene lauryl ether 10kg;

[0042] Stable sulfur-fixing agent: 24.2kg, which contains 25% calcium carbonate, 25% calcium silicate and 50% calcium oxide.

[0043] 2. Preparation method:

[0044] First, mix the solid inducer, catalyst, dispersant and stable sulfur fixing agent evenly to obtain a mixture; then mix the solid alcohol with 5kg of water, then add it to the above mixture, and stir evenly to obtain a composite coal-saving Catalytic combustion aid.

Embodiment 2

[0046] 1. The composition of the composite coal-saving catalytic combustion aid is as follows:

[0047] Accelerator: butanol (liquid) 40kg;

[0048] Inducer: Calcium peroxide 1kg;

[0049] Catalyst: 20kg, which contains 30% of nano-ferric oxide, 25% of nano-ferrous oxide, 20% of nano-ferric oxide, 5% of nano-manganese dioxide, 10% of sodium carbonate and 10% of potassium carbonate;

[0050] Dispersant: nonylphenol polyoxyethylene ether 8kg;

[0051] Stable sulfur-fixing agent: 31kg, which contains 30% calcium carbonate, 20% calcium silicate and 50% calcium oxide.

[0052] 2. Preparation method:

[0053] Firstly, the solid inducer, catalyst, dispersant and stable sulfur-fixing agent are uniformly mixed to obtain a mixture; then butanol is uniformly mixed with the above-mentioned mixture to obtain a composite coal-saving catalytic combustion aid.

Embodiment 3

[0055] 1. The composition of the composite coal-saving catalytic combustion aid is as follows:

[0056] Accelerator: isoheptanol (liquid) 60kg;

[0057] Inducer: Calcium peroxide 0.5kg;

[0058] Catalyst: 10kg, which contains 25% nano-ferric oxide, 20% nano-ferrous oxide, 20% nano-ferric oxide, 8% nano-manganese dioxide, 15% sodium carbonate and 12% potassium carbonate;

[0059] Dispersant: polyoxyethylene lauryl ether and nonylphenol polyoxyethylene ether 9kg, of which polyoxyethylene lauryl ether 5kg, nonylphenol polyoxyethylene ether 4kg;

[0060] Stable sulfur-fixing agent: 20.5kg, which contains 20% calcium carbonate, 20% calcium silicate and 60% calcium oxide.

[0061] 2. Preparation method:

[0062] First, the solid inducer, catalyst, dispersant and stable sulfur-fixing agent are uniformly mixed to obtain a mixture; then isoheptanol is uniformly mixed with the above-mentioned mixture to obtain a composite coal-saving catalytic combustion aid.

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PUM

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Abstract

The invention discloses a composite type coal-saving and catalyzing combustion improver, comprising the following components in weight by percentage: 40-60 parts of accelerating agent, 0.5-1% of inducing agent, 10-20% of catalyst, 8-15% of dispersant and 20-40% of stable sulfur fixing agent, wherein an alcohol-based fuel is used as the accelerating agent and calcium peroxide is used as the inducing agent; the catalyst is formed by 20-30% of nano iron sesquioxide, 20-30% of nano ferrous oxide, 20-30% of nano ferroferric oxide, 5-10% of nano manganese dioxide, 10-15% of sodium carbonate and 10-15% of potassium carbonate; a polyoxyethylene based ether surfactant is used as the dispersant; and the stable sulfur fixing agent is formed by 20-30% of calcium carbonate, 20-30% of calcium silicate and 50-60% of calcium oxide. The combustion improver is added into fire coal and then the fire coal is combusted, so that the coal saving rate can be more than 30% and the SO2 discharging amount can be effectively reduced after the fire coal is combusted.

Description

technical field [0001] The invention relates to the technical field of combustion additives, in particular to a composite coal-saving catalytic combustion aid. Background technique [0002] At present, my country's power plants, industrial boilers and other industries mainly use non-renewable energy such as coal as fuel. However, the incomplete combustion of coal and the incomplete combustion part enter the atmosphere and waste residue, causing pollution and waste of energy. With the continuous development of social industrialization, energy problems have become increasingly prominent. How to save limited coal resources, improve coal combustion efficiency, and reduce environmental pollution caused by coal combustion has become a research topic for scientific researchers. At present, coal-burning additives are mostly used to achieve coal-saving purposes. Among the existing coal-saving additives, the mechanism is mainly to use accelerators, catalysts, etc. to fully contact the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L9/10
Inventor 吕保樱王明生张金海
Owner 桂林市产品质量监督检验所
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