N330 carbon black production method

A production method and carbon black technology, applied in the direction of fibrous fillers, etc., can solve the problems of complex production process of hard carbon black, difficult control of product performance, and difficulty in large-scale scale, and achieve significant compression heat generation, tensile strength and Significant elongation at break and improved rolling resistance index

Active Publication Date: 2016-12-07
山西永东化工股份有限公司
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Problems solved by technology

my country is a big country of tire production, and the carbon black industry has a huge market potential. However, the current carbon black industry has problems such as small number of samples, immat

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  • N330 carbon black production method

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Embodiment Construction

[0013] The following examples are only preferred technical solutions of the present invention, and are not intended to limit the present invention in any way.

[0014] Present embodiment is the improvement that N330 carbon black production method is carried out on annual output 20,000 tons of hard carbon black reaction furnaces:

[0015] (1) Control the volume ratio of air and natural gas, from air / natural gas = 16 to air / natural gas = 18, so that more air can participate in the secondary combustion and increase the temperature of carbon black cracking reaction; raw material oil is injected at 440kg / h The amount of air and natural gas mixed with each kilogram of raw oil is about 2.5m 3 ;The temperature of the secondary combustion in the reaction chamber is controlled at 1500-1600°C;

[0016] (2) Change the way of natural gas intake, install 6 air intake ports in the radial direction on the burner, and change the original axial air intake to axial and radial air intake at the ...

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Abstract

The invention provides an N330 carbon black production method. The process is simple and practical, and produced carbon black is better in performance. A hard carbon black reaction furnace is used for production, and the volume ratio of air to natural gas entering the reaction furnace is (18-19):1, so that more redundant air is generated to take participation in secondary combustion in a reaction chamber; raw oil enters the reaction chamber according to the spray amount of 440 kg/h; each kilogram of raw oil needs 2-3 m<3> of mixed gas composed of air and natural gas; the temperature of secondary combustion in the reaction chamber is controlled to be 1500-1600 DEG C; a plurality of gas inlets are evenly formed in a spray burner in the radial direction, and natural gas enters the gas inlets in a radial surrounding and axial mode so as to improve combustion efficiency; a first quenching section and a second quenching section are arranged at an outlet of the reaction furnace, the temperature of the first quenching section is controlled to be 900-950 DEG C, the temperature of the second quenching section is controlled to be 700-950 DEG C, and accordingly reaction time is prolonged; after carbon black is subjected to wet granulation, mixed gas composed of tail gas generated after carbon black production and air is introduced to dry the carbon black at the temperature of 300 DEG C; the tail gas and the air are mixed according to the volume ratio of (1.5-1.6):1.

Description

technical field [0001] The invention relates to a production method of carbon black, in particular to a production method of N330 carbon black. Background technique [0002] Carbon black is a product obtained by incomplete combustion or thermal decomposition of organic substances such as natural gas, heavy oil, and fuel oil under conditions of insufficient air. N330 carbon black is a high wear-resistant carbon black with good reinforcing properties. It is mainly used as a rubber reinforcing agent to improve the physical and mechanical properties and dynamic properties of rubber products. It is used in tire treads, cord rubber, sidewalls, conveyor belts, rubber Rolls and various rubber industrial products can endow the rubber with good stretchability, tear resistance, wear resistance and elasticity, reduce compression heat generation, reduce rolling resistance, and improve wet grip. It has a wide range of uses. my country is a big country of tire production, and the carbon b...

Claims

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Application Information

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IPC IPC(8): C09C1/50C09C1/56
CPCC09C1/50C09C1/565
Inventor 周华忠刘东玉
Owner 山西永东化工股份有限公司
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