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Energy-saving environmental protection coal combustion catalyst

A technology for burning catalysts and coal, which is applied in the direction of fuel, solid fuel, petroleum industry, etc. It can solve problems such as unsatisfactory effects, and achieve the effects of shortening burnout time, improving coking performance, and increasing combustion intensity and furnace temperature

Inactive Publication Date: 2012-05-09
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method can play a certain role in some boilers or occasions with insufficient oxygen supply, but with the improvement of combustion equipment and technology, and the application of coal-water slurry, this method cannot show satisfactory results

Method used

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  • Energy-saving environmental protection coal combustion catalyst
  • Energy-saving environmental protection coal combustion catalyst
  • Energy-saving environmental protection coal combustion catalyst

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] An energy-saving and environment-friendly coal combustion catalyst is obtained by dissolving the following raw materials in 100 parts of water by mass and filtering them evenly: 25 parts of sulfuric acid factory waste, 30 parts of electroplating factory waste solution, 28 parts of electrolytic copper factory waste solution, 10 parts of nitrated rare earth, Anionic surfactant ammonium lauryl sulfate3 and soluble calcium salt calcium nitrate4.

Embodiment 2

[0022] An energy-saving and environment-friendly coal combustion catalyst is obtained by dissolving the following raw materials in 100 parts of water by mass and filtering them evenly: 30 waste residues from sulfuric acid plants, 28 waste liquids from electroplating plants, 27 waste liquids from electrolytic copper plants, 7 rare earth nitrations, Anionic surfactant ammonium lauryl sulfate4 and soluble calcium salt calcium nitrate4.

Embodiment 3

[0024] An energy-saving and environment-friendly coal combustion catalyst is prepared by dissolving the following raw materials in 100 parts of water by mass and filtering them evenly: 27 waste residues from sulfuric acid plants, 25 waste liquids from electroplating plants, 30 waste liquids from electrolytic copper plants, 8 rare earth nitrates, Anionic surfactant ammonium lauryl sulfate 5 and soluble calcium salt calcium nitrate 5.

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Abstract

The invention discloses an energy saving and environmental friendly coal combustion catalyst, the catalyst is prepared through dissolving raw materials with the following mass parts in 100 parts water and evenly mixing, the raw materials and the mass parts are that: sulphuric acid plant residues 20-30, electroplating plant discard solution 25-35, electrolytic copper plant discard solution 25-30, nitrification rare earth 5-10, anionic surfactant 3-5 and soluble calcium salt 2-5. When the coal combustion catalyst of the invention is in use, the coal combustion catalyst is only needed to be evenly sprayed on the coal surface and sufficiently mixed evenly with a mixer. The coal combustion catalyst of the invention is applied to various coal powders spraying boilers, coal slurry boilers, chainboilers, boiling boilers, other forms coal-fired boilers and civil scattered burning coal which enables the use to be convenient use and cost to be cheap and can increase the combustion intensity andthe fire box temperature of the coal, improve the combustion performance of the coal, lower exhaust emission volume, saves the coal by 10-20%, and the like.

Description

technical field [0001] The invention relates to the technical field of coal energy, in particular to an energy-saving and environment-friendly coal combustion catalyst suitable for various pulverized coal-injection boilers, coal-water slurry boilers, chain furnaces, fluidized fluidized boilers, other forms of coal-fired boilers, and civil scattered coal combustion. Background technique [0002] Coal is the most important source of energy in our country. Improving the combustion efficiency of coal and saving energy is the focus of our country's national policy and enterprise work. [0003] In the existing coal-fired process and equipment, there are generally low combustion efficiency and incomplete combustion, such as unburned coal in slag or fly ash (physical incomplete combustion) and combustible gas (chemical incomplete combustion) released with flue gas. incomplete combustion), etc. [0004] Existing methods for improving coal combustion efficiency and reducing unburned ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L9/10
Inventor 胡小芳胡大为
Owner SOUTH CHINA UNIV OF TECH
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