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Non-sodium chloride environment-friendly type coal-saving combustion adjuvant special for cement

An environmentally friendly, combustion-supporting technology, applied in cement production, fuel, solid fuel, etc., can solve problems such as incompleteness, and achieve the effects of extending service life, protecting the environment, and improving combustion efficiency

Inactive Publication Date: 2012-12-19
深圳市伯益科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of this invention is to provide a special coal-saving combustion aid for sodium chloride-free environment-friendly cement. The technical problem to be solved is to eliminate the harm of sodium chloride to the furnace, kiln body and atmosphere, and make full use of industrial waste residue and tailings residue to protect the environment. , the second technical problem to be solved by the present invention is to improve the combustion rate of pulverized coal, combustion heat efficiency and burnout degree, and reduce dust and harmful gas emissions. The combustion environment can eliminate chemical and mechanical incomplete combustion, and eliminate or reduce the phenomenon of long and thick kiln skin and ring formation in the kiln and furnace body

Method used

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  • Non-sodium chloride environment-friendly type coal-saving combustion adjuvant special for cement
  • Non-sodium chloride environment-friendly type coal-saving combustion adjuvant special for cement
  • Non-sodium chloride environment-friendly type coal-saving combustion adjuvant special for cement

Examples

Experimental program
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Effect test

Embodiment 1

[0046] Embodiment 1, the weight percent that coal-saving combustion aid comprises: barium titanate in the barium compound, two kinds of mixtures of barium fluoride 5%, boric acid in the boride, borax two kinds of mixtures 5% and boric acid, borax in industrial production 5% waste residue, 5% mixture of ammonium carbonate and strontium carbonate in carbonate, 5% waste residue in industrial production of ammonium carbonate and strontium carbonate, 5% mixture of ammonium dichromate and potassium dichromate in chromium compound , 5% of ammonium fluoride and potassium fluoroaluminate mixture in fluoride and 5% of waste residue in the industrial production of ammonium fluoride and potassium fluoroaluminate, magnesia and magnesium carbonate two kinds of mixture or magnesium oxide and magnesium carbonate industry 5% waste residue in production, 5% mixture of potassium permanganate and sodium permanganate in manganese compounds, 5% mixture of nickel nitrate and copper nitrate in nitrate...

Embodiment 2

[0050] Embodiment 2, the percentage by weight that the coal-saving combustion aid comprises: barium titanate in the barium compound, two kinds of mixtures of barium fluoride 5%, boric acid in the boride, two kinds of mixtures of borax 5% and boric acid, borax in industrial production 5% waste residue, 5% mixture of ammonium carbonate and strontium carbonate in carbonate, 5% waste residue in industrial production of ammonium carbonate and acid-resistant strontium, 5% mixture of ammonium dichromate and potassium dichromate in chromium compound , 5% mixture of ammonium fluoride and potassium fluoroaluminate in fluoride and 5% of waste residue from industrial production of ammonium fluoride and potassium fluoroaluminate, potassium permanganate and sodium permanganate in manganese compounds 5% mixture, 5% mixture of nickel nitrate and copper nitrate in nitrate, 6% mixture of ammonium molybdate and molybdenum hexafluoride in molybdenum, 5% of tungsten carbide and tungsten trioxide in...

Embodiment 3

[0058] Embodiment 3, the weight percent that coal-saving combustion aid comprises: barium titanate in the barium compound, two kinds of mixtures of barium carbonate 5%, boric acid in the boride, borax two kinds of mixtures or boric acid, industrial waste slag 5% in the production of borax , 8% mixture of ammonium carbonate and strontium carbonate in carbonates and 5% of waste residue in industrial production of ammonium carbonate and strontium carbonate, 3% of ammonium dichromate and potassium dichromate in chromium compounds and dichromic acid Ammonium and potassium dichromate industrial waste residue 5%, magnesium oxide, magnesium carbonate two kinds of mixture or magnesium oxide, magnesium carbonate production industrial waste residue 5%, manganese compound potassium permanganate, high Two mixtures of sodium manganate 5%, potassium permanganate, sodium permanganate industrial waste residue 10%, nickel nitrate and copper nitrate in nitrate 5%, ammonium molybdate and molybdenu...

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Abstract

The invention discloses a sodium chloride-free environment-friendly coal-saving combustion improver special for cement, which aims to solve the technical problem of eliminating the damage of sodium chloride to furnaces, kiln bodies and the atmosphere. The combustion improver consists of an industrial grade finished product raw material, industrial residue, and a tailing material, and contains a barium compound, boride, carbonate, a chromium compound, fluoride, a magnesium compound, a manganese compound, nitride, a molybdenum compound II, a zirconium compound, industrial residue or tailings of rare earth, oxide and dicyclopentadienyl iron. Compared with the prior art, the combustion improver completely cancels the sodium chloride, furthest reduces the content of Cl<-> in ingredients, eliminates the damage of the sodium chloride to the furnaces, the kiln bodies and the atmosphere, reduces the damage of causing acid rain to the atmosphere, increases a plurality of metal acids, oxygen compounds and rare earth minerals, contains waste residue, ensures that the combustion is controllably performed, improves combustion environment, improves the combustion efficiency of fire coal, reduces energy consumption, prolongs the service life of equipment, and protects the environment.

Description

technical field [0001] The invention relates to a coal-burning additive, in particular to a coal-burning additive for rotary kiln cement. Background technique [0002] In building a resource-conserving and environment-friendly society, facing the financial crisis, declining market demand, increasing tension in fossil energy, and increasing environmental protection requirements, energy saving and consumption reduction, improvement of coal-fired thermal efficiency, and reduction of harmful substance emissions, especially, must not cause secondary pollution. Secondary pollution has become the key direction of new product development research. The coal-use combustion accelerant of the prior art and the special coal-saving synergist for cement shaft kiln contain industrial salt NaCl which causes corrosion to metals and pollutes the atmosphere. Although industrial salt has a good coal-saving and combustion-supporting effect in use, However, the furnace and kiln body metals have b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L9/10C04B7/43
CPCY02P40/121
Inventor 赵楠
Owner 深圳市伯益科技有限公司
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