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Technique for producing carbon black by using coke oven gas instead of fuel oil

A technology of coke oven gas and fuel oil, applied in the direction of fibrous fillers, etc., can solve the problems of poor quality grade of carbon black, poor process stability, and reduced service life of the combustion furnace

Inactive Publication Date: 2007-10-10
中国平煤神马集团天宏焦化有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to factors such as unstable combustion of fuel oil, the service life of the combustion furnace is reduced, the process stability is poor, and the quality of carbon black is poor.

Method used

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  • Technique for producing carbon black by using coke oven gas instead of fuel oil
  • Technique for producing carbon black by using coke oven gas instead of fuel oil

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Embodiment Construction

[0007] Figure 1 is a flow chart of the existing carbon black production process. Fuel oil and air are mixed in a certain proportion and enter the combustion furnace for combustion. The heat after combustion enters the throat pipe to atomize and vaporize the raw material oil added at the throat pipe. , After the pyrolysis reaction occurs in the reaction furnace, carbon black, combustion gas and pyrolysis gas are produced, and then cooled by the cooling device, collected, transported, and finally granulated and packaged.

[0008] Fig. 2 is the coke oven gas treatment process flow chart, the technology that coke oven gas replaces fuel oil to produce carbon black, comprises the previous stage process step and the back stage process step, is to replace fuel oil with coke oven gas in the previous stage process step; The process steps in the previous stage are as follows: first, the collected coke oven gas 1 is treated by the water seal device 2, the pressure is adjusted by the gas bl...

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Abstract

This invention discloses a process for producing carbon black from oven coal gas instead of fuel oil. The process comprises: treating collected oven coal gas with a water-sealing apparatus, adjusting the pressure by a coal gas fan and a pressure adjusting valve, passing through a flow meter, an automatic flow adjusting valve and a check valve, mixing oven coal gas with air at a certain ratio, introducing into a combustion furnace, combusting, sending the heat generated during combustion to a throat to atomize raw oil there, sending atomized raw oil to a reaction furnace, pyrolyzing to obtain carbon black, cooling, collecting, transporting, granulating, and packaging. The method can effectively prolong the service life of combustion furnace, and has such advantages as high process stability and high carbon black quality.

Description

technical field [0001] The invention relates to a process for producing carbon black, especially a process for producing carbon black by using coke oven gas instead of fuel oil for heat supply. Background technique [0002] For a long time, the production technology of carbon black is to use fuel oil combustion to provide heat to atomize and vaporize raw materials such as coal tar, ethylene tar, anthracene oil, etc., and then carry out cracking reaction in the reaction furnace, and then collect, transport, and granulate after cooling be made of. Due to factors such as unstable combustion of fuel oil, the service life of the combustion furnace is reduced, the process stability is poor, and the quality of carbon black is poor. Contents of the invention [0003] The technical problem to be solved by the present invention is to use excess coke oven gas instead of fuel oil to burn in the combustion furnace on the basis of the above process to provide continuous and stable heat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/48
Inventor 江玉山王鹏王根成周云辉
Owner 中国平煤神马集团天宏焦化有限公司
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