Method for producing N375 carbon black from blended oil

A technology for the production of carbon black and carbon black, which is applied in the direction of fibrous fillers, etc., can solve the problems of single raw material oil variety, short supply, high production cost, etc., and achieve the effects of improving efficiency, reducing raw material cost, and low price

Inactive Publication Date: 2020-01-14
HANDAN BLACK CAT CARBON BLACK
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  • Abstract
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  • Claims
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Problems solved by technology

[0014] The purpose of the present invention is to provide a method of using mixed oil to produce N375 carbon black, so as to solve the problems of single type of raw material oil used in the production of carbon black, shortage of supply, high production cost, etc.

Method used

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  • Method for producing N375 carbon black from blended oil
  • Method for producing N375 carbon black from blended oil
  • Method for producing N375 carbon black from blended oil

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Embodiment Construction

[0022] The present invention is realized in this way, and it is characterized in that: the raw material oil used for carbon black production adopts volume proportions: 50% of ethylene tar, 20% of anthracene oil, 30% of coal tar or 35% of ethylene tar, 35% of anthracene oil %, coal tar 30% ratio; part of the carbon black raw material oil used as fuel and the air provided by the main supply fan and preheated to 750-850°C by the air preheater enter the reaction furnace respectively and mix in the combustion section of the reaction furnace , Combustion, to generate a high-temperature combustion airflow above 1900 ° C, the raw oil is pumped to the online raw oil preheater, preheated to 190 ° C, and then radially sprayed into the throat section of the reaction furnace through a group of raw material oil nozzles, and the high-temperature and high-speed The combustion air is mixed, vaporized and cracked rapidly, and carbon elements gather to form carbon black. At the rear of the reacto...

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Abstract

The invention discloses a method for producing N375 carbon black from blended oil. Carbon black production raw material oil is composed of 50% of ethylene bottom oil, 20% of anthracene oil and 30% ofcoal tar through proportioning or 35% of ethylene bottom oil, 35% of anthracene oil and 30% of coal tar. The method has the technical effects that 1) the source of carbon black production raw materialoil is expanded, a part of coal tar series oil is replaced by ethylene bottom oil as the carbon black production raw material oil; 2) an oil formula is optimized and adjusted, control on internal indexes of carbon black is intensified, the product quality is improved, and the production cost is lowered; 3) the supply channels of the carbon black production raw material oil are expanded, a part ofother oil products are supplemented, the shortage of tar supply is alleviated, and a technical foundation for further reducing the cost of raw materials and increasing the benefits is made; and 4) carbon black raw material oil with stable supply sources and lower price is obtained, and stable operation of carbon black production equipment is ensured.

Description

technical field [0001] The invention relates to a production method of carbon black, in particular to a method for producing N375 carbon black by mixing oil. Background technique [0002] 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. Domestic and foreign carbon black raw material oil comes from two series of coal tar and petroleum, coal tar series: anthracene oil, anti-corrosion oil, carbon black oil, untreated crude coal tar. Petroleum series: high temperature steam cracking oil (ethylene tar), catalytic cracking tower bottom oil (heavy oil), most foreign countries use petroleum series oil as carbon black raw material oil. The raw material oil for carbon black production in my country mainly comes from coal tar series: coal tar, anthracene oil, anti-corrosion oil, and carbon black oil. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/50
CPCC09C1/50
Inventor 梁智彪孙士柱陈忠斌陈羿斌汪镇平金元庆王利志曹迎峰
Owner HANDAN BLACK CAT CARBON BLACK
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