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A kind of yellow phosphorus gasification combustion method

A combustion method and yellow phosphorus technology, applied in the directions of phosphorus oxides, phosphoric acid, phosphorus oxyacids, etc., can solve the problem of insufficient combustion of yellow phosphorus, and achieve the guarantee of quality and phosphorus yield, good economic benefits and social benefits. effect of benefit

Active Publication Date: 2015-09-16
GUANGXI MINGLI CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the technical problem of insufficient combustion of yellow phosphorus, and to provide a method of gasification and combustion of yellow phosphorus that is fully mixed with air and then burned

Method used

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  • A kind of yellow phosphorus gasification combustion method

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Embodiment 1

[0018] A method for gasifying and burning yellow phosphorus, comprising passing molten phosphorus into an acid-resistant and high-temperature-resistant gasification tube for gasification, then burning the gasified yellow phosphorus, passing the yellow phosphorus into a phosphorus-melting tank for melting phosphorus, and then dissolving the liquid For yellow phosphorus gasification, open 1 / 3 of the phosphorus supply valve, the liquid yellow phosphorus enters the gasification tube in the combustion furnace to be heated and gasified, and then sprays out through the nozzle, the yellow phosphorus burns, and the acid-resistant and high-temperature-resistant gasification in the combustion furnace The tube absorbs the heat of phosphorus combustion in the combustion furnace, and the temperature continues to rise until the liquid yellow phosphorus in the tube is continuously gasified, and the gaseous yellow phosphorus in the acid-resistant and high-temperature gasification tube is ejected...

Embodiment 2

[0020] A method for gasifying and burning yellow phosphorus, comprising passing molten phosphorus into an acid-resistant and high-temperature-resistant gasification tube for gasification, then burning the gasified yellow phosphorus, passing the yellow phosphorus into a phosphorus-melting tank for melting phosphorus, and then dissolving the liquid For yellow phosphorus gasification, open 1 / 2 of the phosphorus supply valve, the liquid yellow phosphorus enters the gasification tube in the combustion furnace to be heated and gasified, and then sprays out through the nozzle, the yellow phosphorus burns, and the acid-resistant and high-temperature-resistant gasification in the combustion furnace The tube absorbs the heat of phosphorus combustion in the combustion furnace, and the temperature continues to rise until the liquid yellow phosphorus in the tube is continuously gasified, and the gaseous yellow phosphorus in the acid-resistant and high-temperature gasification tube is ejected...

Embodiment 3

[0022] A method for gasification and combustion of yellow phosphorus, comprising passing molten phosphorus into an acid-resistant and high-temperature-resistant gasification tube for gasification, then burning the gasified yellow phosphorus, passing the yellow phosphorus into a phosphorus-melting tank to melt phosphorus, and then dissolving the liquid For yellow phosphorus gasification, open the 3 / 4 phosphorus supply valve, the liquid yellow phosphorus enters the gasification tube in the combustion furnace to be heated and gasified, and then sprays out through the nozzle, the yellow phosphorus burns, and the acid-resistant and high-temperature-resistant gasification in the combustion furnace The tube absorbs the heat of phosphorus combustion in the combustion furnace, and the temperature continues to rise until the liquid yellow phosphorus in the tube is continuously gasified, and the gaseous yellow phosphorus in the acid-resistant and high-temperature gasification tube is eject...

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Abstract

The invention discloses a gasification combustion method of yellow phosphorus. The method comprises the following main operation steps: (1) melting phosphorus: leading yellow phosphorus to a phosphorus melting tank to melt phosphorus, and then enabling the phosphorus to reach a gasification tube through a phosphorus melting outlet; (2) gasifying: opening a phosphorus supply valve, enabling the yellow phosphorus to enter a gasification combustion furnace through the gasification tube, burning the yellow phosphorus, absorbing the heat generated by yellow phosphorus combustion inside the combustion furnace by using the gasification tube arranged inside the combustion furnace, and continuously heating until the yellow phosphorus inside the tube is gasified into phosphorus steam; (3) combustion: spraying the yellow phosphorus inside the tube from a phosphorus spray nozzle to burn in a gasified state. The gasification combustion method of the yellow phosphorus, disclosed by the invention, is reasonable in production technology and easy to operate, and the product is stable in quality, applicable to large-scale industrial production and better in economic benefits.

Description

technical field [0001] The invention belongs to the technical field of inorganic chemical industry and relates to a yellow phosphorus gasification combustion method. Background technique [0002] Phosphoric acid is an important part of the chemical industry and an important basic chemical raw material. The production methods of phosphoric acid are divided into thermal phosphoric acid and wet phosphoric acid. Thermal phosphoric acid refers to phosphoric acid that uses phosphate rock as raw material, firstly processes it into elemental phosphorus, and then processes it with elemental phosphorus; wet-process phosphoric acid refers to phosphoric acid that is directly processed from phosphate rock and inorganic acid as raw materials. The crude product of wet-process phosphoric acid contains more impurities and is mainly used to produce fertilizers; while thermal phosphoric acid has the advantages of high product concentration and less impurities, it can be used to manufacture fo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B25/20C01B25/12
Inventor 林军吴小海徐绍学黄新兴
Owner GUANGXI MINGLI CHEM