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Combustion pretreatment method for organosilicone slurry slag

An organosilicon, slurry slag technology, applied in the combustion method, combustion type, combustion equipment and other directions, can solve the problems of high reaction temperature, carbon deposition, etc., to achieve the effect of improving combustion efficiency

Inactive Publication Date: 2019-01-01
CHENGDU SILICON TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of pre-combustion treatment is high reaction temperature and serious carbon deposition

Method used

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  • Combustion pretreatment method for organosilicone slurry slag
  • Combustion pretreatment method for organosilicone slurry slag

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A method for pre-combustion of organosilicon pulp and slag, in which organosilicon pulp and slag are sent into the first combustion chamber 1 of a rotary combustion furnace in a pipeline pressurized manner for the first combustion reaction, and after being burned in the first combustion chamber 1 The steam continues to enter the second combustion chamber 2 connected to the rotary burner to carry out the second combustion reaction. When the combustion air is introduced into the first combustion chamber 1, the relative air supply is adopted on the inner wall of the first combustion chamber 1. way.

[0022] like figure 1 , figure 2 As shown, the rotary combustion furnace is heated so that the temperature of the first combustion chamber 1 rises slowly. When the temperature rises to 400-500°C, the organic silicon slurry is pressurized with nitrogen and transported into the first combustion chamber 1 through pipelines. Inside, when the temperature reaches 600°C, the combus...

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Abstract

The invention discloses a combustion pretreatment method for organosilicone slurry slag. The organosilicon slurry slag is fed into a first combustion chamber of a rotary combustion furnace in a pipeline pressurization manner to make a first combustion reaction, steam obtained after combustion in the first combustion chamber continues to enter a second combustion chamber connected to the rotary combustion furnace for making a second combustion reaction, and combustion air is led into the first combustion chamber in the manner that opposite air supply is adopted on the inner wall of the first combustion chamber. The combustion pretreatment method can effectively improve the combustion efficiency of the organosilicone slurry slag by improving the air supply manner of the combustion air, and can simultaneously remove carbon deposits in the combustion chambers.

Description

technical field [0001] The invention relates to the field of comprehensive environmental protection treatment of organosilicon by-products, in particular to a method for pre-combustion of organosilicon pulp and slag. Background technique [0002] Organosilicon slag refers to a kind of waste slag produced during the synthesis of organosilicon monomer, which accounts for about 3% of the monomer. With the rapid expansion of the output of organosilicon monomer, a large amount of organosilicon waste slag is produced. The main components are silicon powder (particle size 2-150um), copper powder and trace elements Fe, Zn, Al, Sn, etc. brought out by a large amount of high boilers and a small amount of fluidized bed. Among them, the boiling range of the high boiler is 70.5-250°C, the composition is mainly disilane, siloxane, and silylane, and the solid content is 20-75%. If it is exposed in the air, it is easy to cause strong acid mist and burn, so it must be treated harmlessly. A...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G7/00F23G5/16F23G5/44F23L1/00
CPCF23G5/16F23G5/44F23G7/00F23G2202/103F23G2203/20F23L1/00
Inventor 羊实庹开正
Owner CHENGDU SILICON TECH CO LTD