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Vaporizing tower for producing gas-mixed carbon black

A gas-mixed carbon black and vaporization tower technology, applied in fibrous fillers and other directions, can solve problems such as inability to run continuously and stably, and achieve the effects of saving gas consumption, ensuring product quality, and ensuring stability

Active Publication Date: 2021-11-26
山西盛达威科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solve the defect that the gas-mixed carbon black vaporizer cannot run continuously and stably, solve the stability of product quality, improve product quality and reduce production costs

Method used

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  • Vaporizing tower for producing gas-mixed carbon black
  • Vaporizing tower for producing gas-mixed carbon black
  • Vaporizing tower for producing gas-mixed carbon black

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The raw material oil pump pumps the anthracene oil out of the oil storage tank, preheats the anthracene oil at 250°C through the heat exchanger, and enters the vaporization tower through the evenly distributed small holes under the pipeline of the raw material (anthracene oil) distributor (3), and enters the oil The flow rate is adjusted according to the liquid level at the bottom of the tower. After the coke oven gas passes through the flow meter of the orifice plate, it is preheated to about 360°C by using the waste heat of the production line, and enters evenly from three directions of the vaporization tower through the coke oven gas distributor (2). Due to the different depths of the oil layer in the vaporization tower, the coke oven gas directly passes into the oil layer in the tower, which plays a role in agitating the oil in the tower. The oil in the tower realizes heat exchange in two ways: convection and conduction. The tower bottom oil is pumped out of the towe...

Embodiment 2

[0030] The raw material oil pump pumps the anthracene oil out of the oil storage tank, preheats the anthracene oil at 250°C through the heat exchanger, and enters the vaporization tower through the evenly distributed small holes under the pipeline of the raw material (anthracene oil) distributor (3), and enters the oil The flow rate is adjusted according to the liquid level at the bottom of the tower. After the coke oven gas passes through the flow meter of the orifice plate, it is preheated to 360°C by using the waste heat of the production line, and enters the vaporization evenly from three directions of the vaporization tower through the coke oven gas distributor (2). Due to the different depths of the oil layer in the tower, the coke oven gas directly passes into the oil layer in the tower and plays a role in agitating the oil in the tower. The oil in the tower realizes convection and heat conduction, and the gasification of the oil in the tower is rapid and stable. The oil h...

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Abstract

The invention discloses a vaporizing tower for producing gas-mixed carbon black, and belongs to the technical field of production of gas-mixed carbon black. According to the invention, traditional core equipment for producing gas-mixed carbon black is changed, and a vaporization kettle is replaced by the vaporization tower; therefore, the problems that asphalt at the bottom of the kettle is coked at high temperature due to direct heating of combustible gas at the bottom of the vaporization kettle, long-term continuous and stable operation cannot be realized under a constant working condition, and the product quality and yield are unstable are solved. The vaporizing tower exchanges heat through convection and conduction, tower bottom oil is heated by circulating waste heat of a production line, the vaporizing temperature of raw oil (anthracene oil) in the tower is stable, and vaporizing is more sufficient. Therefore, the gasified substance is narrow in component distribution, the produced carbon black is narrow in particle size distribution, and the carbon black is high in coloring strength, high in blackness, good in dispersity, good in hue, better in fluidity and lower in consumption. The asphalt is continuously discharged from tower bottom oil, so that the asphalt in anthracene oil at the tower bottom is prevented from being concentrated and coking, and the long-term continuous and stable operation of the vaporization tower under a constant working condition is ensured.

Description

technical field [0001] The invention belongs to the technical field of gas-mixed carbon black production, and in particular relates to a vaporization tower in which raw material anthracene oil produced from gas-mixed carbon black is directly heated to complete gasification without fuel, and the anthracene oil at the bottom of the tower never cokes. Background technique [0002] Gas-mixed carbon black is formed by gasification of solid or liquid hydrocarbons and a mixture of combustible gas (also known as carrier gas) into the fire room, through thousands of burners and air for incomplete combustion and cracking to form carbon black , named after the carbon black made of mixed gas as a raw material. The commonly used solid raw material is crude anthracene, and the liquid raw material is anti-corrosion oil and anthracene oil. Commonly used carrier gases include coke oven gas, city gas, water gas, blast furnace gas and so on. The key to the production process of gas-mixed carb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/48
CPCC09C1/48
Inventor 周华良
Owner 山西盛达威科技有限公司
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