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Slag gasification reaction furnace for preparing carbon monoxide, and gas preparation method thereof

A slag gasification and carbon monoxide technology, which is applied in the fields of instrumentation and automation technology, chemical engineering, chemical machinery, and chemical technology, can solve the problems of large investment, difficult processing, and high methane content, so as to ensure safe gasification and uniform distribution , the effect of reasonable flow field distribution

Pending Publication Date: 2020-09-08
江西昌昱实业有限公司
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, BGL gasification technology adopts liquid slag discharge method, but there are also complex control of slag discharge method, difficult equipment manufacturing and processing, some key equipment needs to be imported, low operational reliability and large investment, and at the same time due to the methane content in the crude gas after pressurization High, not conducive to the shortage of synthetic ammonia, methanol production, etc.

Method used

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  • Slag gasification reaction furnace for preparing carbon monoxide, and gas preparation method thereof
  • Slag gasification reaction furnace for preparing carbon monoxide, and gas preparation method thereof

Examples

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Effect test

Embodiment 1

[0052] Such as Figure 1-Figure 2 As shown, a slag gasification reaction furnace for preparing carbon monoxide includes a gasification furnace body 24, a slag port 8, a combustion nipple 6, a quench chamber 4 and an automatic coking machine 17;

[0053] The gasification furnace body 24 includes: a shell 12, an upper cylinder body 13, a furnace inlet 16, a gas outlet 20, a lining refractory brick 14, a water jacket 11, a gasification agent nozzle 10, a water cooling coil 25, a melting Slag pool 9, furnace cover 15 and connecting large flange 21;

[0054] The furnace inlet 16 is connected to the lower distributor flange 19 of the automatic coking machine 17;

[0055] The furnace cover 15 is connected to the upper cylinder body 13, and the gas outlet 20 is located on the furnace cover 15;

[0056] The upper cylinder 13 is connected to the slag pool 9 with a large flange 21;

[0057] The gasifying agent nozzle 10 is connected to the molten slag pool 9;

[0058] The slag port 8...

Embodiment 2

[0073] A new gas production method using a slag gasification reaction furnace to prepare carbon monoxide. The high-temperature coal gas generated in the lower part of the slag gasification reaction furnace is in countercurrent contact with the raw materials from the furnace inlet 16. The temperature in the drying area is less than 500 ° C. The raw material is heated and dried by the hot gas, and the water is removed here. The dried carbon layer continues to move down and enters the carbonization zone at 500-900°C. After the gas undergoes a series of equilibrium endothermic reactions, the crude gas is cooled, and the raw material is partially gasified. At the same time, the temperature of the raw material rises and enters the combustion zone, and the mixed gaseous CO 2 Oxygen and gas enter the bottom of the gasifier with a high-speed airflow through the gasification agent nozzle 10. The oxygen reacts quickly with the coal in the combustion zone and releases a large amount of hea...

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Abstract

The invention relates to a slag gasification reaction furnace for preparing carbon monoxide, and a gas preparation method thereof, belongs to the fields of coal chemical industry, coke (containing semi-coke) gasification, fuel gas and the like, and relates to chemical engineering, a chemical process, chemical machinery, an instrument and an automation technology. The slag gasification reaction furnace comprises a gasification furnace body, a slag hole, a combustion short section, a chilling chamber and an automatic coke adding machine, wherein the gasification furnace body comprises a shell, an upper barrel, a hearth inlet, a coal gas outlet, lining refractory bricks, a water jacket, a gasifying agent nozzle, a water cooling coil pipe, a slag pool, a furnace cover and a large connecting flange. According to the invention, due to the adoption of slag gasification and liquid deslagging, the gasification temperature is high, the carbon conversion rate is improved, the effective gas content is high, the operation energy consumption is low, the cost is low, the methane content is low, the raw coal application is wide, the investment is saved, the equipment is completely domesticated, the maintenance is convenient, the operation is simple and feasible, the requirements of safety, environmental protection and energy conservation are met, and the pure oxygen continuous gasification technology is upgraded.

Description

technical field [0001] The invention relates to a slag gasification reaction furnace for preparing carbon monoxide and a gas production method thereof, which belongs to the fields of coal chemical industry, coke (including semi-coke) gasification, gas, etc., and involves chemical engineering, chemical technology, chemical machinery, instruments and automation technology. Background technique [0002] The traditional fixed-bed batch gasifier (UGI) adopts the solid-state slagging method, which is still in operation in my country’s nitrogen fertilizer production, but it is increasingly inconsistent in terms of single furnace processing capacity, operating cost, coal adaptability, energy efficiency and environmental protection. Industry development needs; fixed-bed pure oxygen continuous gasification also adopts solid-state slag discharge method. Although it has brought some breakthroughs to the development of fixed-bed technology, it also needs to further increase the pyrolysis ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/20C10J3/30C10J3/34C10J3/48C10J3/50C10J3/52C10J3/60C10J3/76
CPCC10J3/20C10J3/30C10J3/34C10J3/485C10J3/50C10J3/526C10J3/60C10J3/76C10J2200/152C10J2300/06C10J2300/0909C10J2300/093C10J2300/1884Y02P20/10
Inventor 楚灼夫郑西欧桂春辉
Owner 江西昌昱实业有限公司
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