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Method for producing carbon black from mixed raw oil

A raw material oil and compounding technology, applied in the direction of fibrous fillers, can solve the problem of insufficient supply of carbon black raw material oil, and achieve the effect of solving the shortage of supply and expanding the source.

Inactive Publication Date: 2020-07-10
JIANGXI BLACK CAT CARBON BLACK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The purpose of the present invention is to provide a method for producing carbon black by mixing raw material oil to solve the problem that the supply of carbon black raw material oil is in short supply

Method used

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Embodiment Construction

[0024] The invention relates to a method for producing carbon black by mixing raw material oil, specifically a method for producing carbon black by mixing coal tar series oil products and petroleum series oil products as raw material oil, expanding the source of raw material oil for carbon black production, mixing The volume ratio of coal tar series oil products in the blended raw material oil is 20%-80%, and the volume ratio range of petroleum series oil products in the blended raw material oil is 20%-80%. In between, there is a throat section, the smallest diameter of the throat section is about 5%-10% smaller than the diameter of the reaction section, and the pressure of the reaction system in the reaction furnace is increased by 5%-20%, so that the pressure of the reaction system reaches more than 55KPa and strengthens the reaction. process to promote the conversion of raw oil to carbon black. On the basis of the existing process conditions, the pressure of the feed oil in...

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Abstract

The invention relates to a method for producing carbon black from mixed raw oil. The method is characterized in that: the volume ratio of a coal tar series oil product in the mixed raw oil is 20%-80%,and the volume ratio of a petroleum series oil product in the mixed raw oil is 20%-80%. A throat pipe section is arranged between the rear part of a reaction furnace combustion section and a reactionsection, a minimum diameter of the throat pipe section is reduced by about 5%-10% compared with the diameter of the reaction section, the pressure of a reaction system in the reaction furnace is increased by 5%-20%, and the charging pressure of the raw oil charged into the furnace is increased by 10%-30%. When gas fuel is used as the fuel of a carbon black reaction furnace, an adjustable swirleris installed at the combustion section. The method has the technical effects that: the technical problem that an existing carbon black production process technology is not suitable for producing carbon black by using a petroleum series oil product is solved, the coal tar series oil product and the petroleum series oil product are mixed to serve as the raw oil for producing carbon black, the carbonblack production raw oil source is expanded, and the problem that the carbon black raw oil supply is short is solved.

Description

technical field [0001] The invention relates to a method for producing carbon black, in particular to a method for producing carbon black by mixing raw material oil. Background technique [0002] Carbon black is produced from hydrocarbons (hydrocarbons) as raw material oil. The carbon black industry is a resource-based industry. Raw oil plays a pivotal role and influence on carbon black production. The guarantee of the source of carbon black raw material oil is an influence or restriction One of the most important factors for the development of carbon black industry / carbon black enterprises. [0003] Carbon black feedstock oil is a complex mixture of various organic compounds dominated by hydrocarbons (hydrocarbons). The main components are alkanes, cycloalkanes, aromatics, and their sulfides, nitrides, colloids and asphaltenes. Carbon black raw material oil comes from two series of coal tar and petroleum; coal tar series: anthracene oil (one-anthracene oil, dianthracene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/50
CPCC09C1/50
Inventor 梁智彪聂绪建孙士柱陈翌斌李健陈忠斌
Owner JIANGXI BLACK CAT CARBON BLACK CO LTD