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Carbon black reaction furnace

A reaction furnace and carbon black technology, applied in the direction of sustainable manufacturing/processing, climate sustainability, chemical industry, etc., can solve problems such as failure to achieve expected goals, fluctuation of carbon black product quality indicators, etc., to save energy and improve Controllability and yield improvement effect

Active Publication Date: 2015-09-23
无锡双诚炭黑科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the process of carbon black production, it is usually encountered to change different types of fuels and manufacture different types of carbon black. In these conversion processes, it is necessary to change the fuel flow, air flow, and raw material hydrocarbon flow into the carbon black reactor, resulting in carbon black The quality indicators of black products fluctuate violently, especially the distribution and structure of carbon black aggregates. These two indicators often fail to meet the expected goals

Method used

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Examples

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Effect test

example 1

[0032] Example 1: Comparative analysis of the process of producing N234 carbon black in conventional reaction furnace and reaction furnace of the present invention. From the data in Table 1, it can be seen that in the case of different fuels in the reaction furnace, the amount of fuel is different, which will cause the length of the flame to be different. The lower limit of the range, through the adjustment of the diameter of the air inlet and the position of the spray gun of the present invention, the oil absorption value of the structure degree has increased by 2.9-5.28%, the coloring intensity of the aggregate distribution has increased by 2.9-5.28%, and the yield has also increased by 2.9-5.28% %.

[0033] Table 1

[0034]

example 2

[0035] Example 2: Table 2 compares and analyzes the process of producing N330 carbon black with the conventional reaction furnace and the reaction furnace of the present invention. By adopting the adjustment of the air inlet diameter and the position of the spray gun of the present invention, the structural oil absorption value is increased by 2.85-3.3%, the aggregate distribution coloring intensity is increased by 5.05-5.15%, and the yield is also increased by 0.68-1.2%.

[0036] Table 2

[0037]

[0038]

example 3

[0039] Example 3: Comparative analysis of the process of producing N351 carbon black by conventional reaction furnace and reaction furnace of the present invention. As can be seen from the data in Table 3, when the reaction furnace produces different types of carbon black, the air intake volume is different, which will cause the flame length to be different. The value is at the lower limit of the standard range. After adjusting the diameter of the air inlet and the position of the spray gun of the present invention, the oil absorption value of the structure degree is increased by 4.85-6.43%, the coloring intensity of the aggregate distribution is increased by 7.22-7.29%, and the yield is also increased by 1.83-2.29% %.

[0040] table 3

[0041]

[0042]

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Abstract

The invention provides a carbon black reaction furnace. The carbon black reaction furnace comprises a combustion chamber and a reaction chamber which are connected in sequence, wherein a fuel spray gun is inserted into the combustion chamber from an air inlet position of the combustion chamber, an opening adjusting device is arranged on the air inlet position of the combustion chamber, the fuel spray gun is connected with a sliding device, and the sliding device adjusts the length of the fuel spray gun stretching into the combustion chamber. According to the carbon black reaction furnace, through the changes of the diameter of the air inlet and the size of the fuel spray gun entering the air inlet, the length of combustion flame is changed, the carbon black aggregate distribution and the quality fluctuate of the structure degree generated in the carbon black production process when different fuels exist and different carbon black varieties are converted are adapted, and the controllability of the quality of the carbon black product is improved. Meanwhile, the yield of the carbon black is further improved, and the energy is saved.

Description

technical field [0001] The invention relates to the field of carbon black production, in particular to a carbon black reaction furnace. Background technique [0002] In the process of carbon black production, it is usually encountered to change different types of fuels and manufacture different types of carbon black. In these conversion processes, it is necessary to change the fuel flow, air flow, and raw material hydrocarbon flow into the carbon black reactor, resulting in carbon black The quality indicators of black products fluctuate violently, especially the distribution and structure of carbon black aggregates. These two indicators often fail to meet the expected goals. At the same time, carbon black workers are constantly looking for ways to improve the yield of carbon black and save energy. Contents of the invention [0003] In order to solve the problems of the prior art, the present invention provides a carbon black reaction furnace, which controls the distributi...

Claims

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Application Information

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IPC IPC(8): C09C1/50
CPCY02P20/10
Inventor 汤国军张晓明徐全良吕春芳谈建军
Owner 无锡双诚炭黑科技股份有限公司
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