40-thousand-ton hard carbon black reaction furnace and production process of carbon black

Abstract

The invention discloses a 40-thousand-ton hard carbon black reaction furnace and a production process of carbon black. The carbon black reaction furnace comprises a combustion chamber, a venturi tube, a reaction chamber, and a quench zone. The uniquely designed combustion chamber of the reaction furnace ensures that the distribution of the temperature field of the carbon black production is more reasonable, the appropriate angle, length and inner diameter of the venturi tube ensure that raw oil is fully vaporized and sheared on the venturi tube part; and the reasonably designed reaction section and the matched quench zone ensure that the carbon black cracking reaction can be performed quickly, and the side reaction can be inhibited. Coal gas or natural gas is used as a fuel, the range of the raw oil is wider, the production capacity of the carbon black is high, unit consumption is low, a small amount of polluted product is discharged and the quality of the carbon black is high.

Description

Technical field: [0001] The invention relates to a carbon black production process, in particular to a hard carbon black reaction furnace and a carbon black production process thereof. Background technique: [0002] The production methods of carbon black include furnace method, tank method and thermal cracking method. For the furnace carbon black production line, the reaction furnace is its core equipment. The general process is: air and fuel are burned in the reaction furnace, the raw materials are sprayed into the burning flame after atomization, and carbon black is generated by high-temperature pyrolysis; carbon black Suspended in the residual combustion gas to form flue gas; after being quenched, the flue gas is sent to the air preheater and oil preheater for further cooling, and finally sent to the bag filter, and the separated carbon black is sent to the granulator and then dried in the dryer dry. The production of different types of carbon black requires the use of ...

AI Technical Summary

Problems solved by technology

Limited by the structure of the furnace body, the disadvantages of the prior art production process are: 1. High production cost: tar, anthracene oil or ethylene oil are used as fuel, and the raw material oil requires high quality

2. High carbon black consumption per ton

3. Carbon black production capacity is low

4. The coloring strength of the product is low, the compression oil absorption value is low, and the quality cannot meet the quality requirements of all-steel radial tires or barely meet the requirements

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