Control method of running of pulverized coal burner of pulverized coal pressurization gasification reaction device

A technology for pressurized gasification and reaction device of pulverized coal, which is applied in the field of coal chemical industry

Active Publication Date: 2015-10-14
CHANGZHENG ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The traditional coal burner adopts a single control method: no matter if there is a problem with the oxygen system or the pulverized coal delivery system, the gasifier must be shut down for maintenance

Method used

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  • Control method of running of pulverized coal burner of pulverized coal pressurization gasification reaction device
  • Control method of running of pulverized coal burner of pulverized coal pressurization gasification reaction device
  • Control method of running of pulverized coal burner of pulverized coal pressurization gasification reaction device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as figure 1 As shown, after the start-up burner is running and the pressure is increased to 1.0MPaG and 800°C, the two sets of feed systems A2 and A3 are activated at the same time or the pulverized coal circulation is activated separately. When the coal feeding conditions are met, A2 and A3 are activated simultaneously or respectively. Put pulverized coal and oxygen into the pulverized coal gasification reaction device A5, stop the start-up burner, and withdraw the pulverized coal from circulation, and continue to increase the pressure and temperature of the pulverized coal gasification reaction device to make it at the predetermined pressure and temperature work. If the two feeding systems feed separately, the oxygen pipeline and pulverized coal pipeline of the second feeding system should be fed with protective gas before feeding the first feeding system.

[0028] Such as figure 2 Shown: The first feed system A2 includes: an oxygen pipeline, two to four pulve...

Embodiment 2

[0038] Follow the same method as in Example 1, except that the start-up burner is operated and the pressure is increased to 0.8MPaG and 1000°C.

Embodiment 3

[0040] Follow the same method as in Example 1, except that the start-up burner is operated and the pressure is increased to 1.2MPaG and 600°C.

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Abstract

The invention provides a control method of running of a pulverized coal burner of a pulverized coal pressurization gasification reaction device; the control method is used for feeding grouping control of a plurality of oxygen pipelines and a plurality of pulverized coal pipelines of the pulverized coal burner of the pulverized coal pressurization burner gasification reaction device, and comprises starting, running, stopping and purging of the pulverized coal burner. The control method can achieve simultaneous feeding or grouping feeding of the plurality of oxygen pipelines and the plurality of pulverized coal pipelines of the pulverized coal burner, can also achieve simultaneous stopping or grouping stopping of the plurality of oxygen pipelines and the plurality of pulverized coal pipelines of the pulverized coal burner, can achieve on-line maintenance of the oxygen pipelines and the pulverized coal pipelines, and ensures long-period, continuous and stable safe running production of the pulverized coal pressurization gasification device. A gasifier emergency safety system keeps the device running, and allows the device to be safe to start, stop and gasifier purging.

Description

technical field [0001] The invention relates to the technical field of coal chemical industry, in particular to a method for controlling the operation of a pulverized coal burner of a pulverized coal pressurized gasification reaction device. Background technique [0002] Pulverized coal pressurized gasification technology is an advanced technology that cleanly and efficiently converts various solid coals into gaseous hydrogen and carbon monoxide mixtures. Its basic principle is to grind coal into dry coal powder and continuously It is fed into the gasifier with water-cooled wall, and under the condition of high temperature and high pressure, through the precise control of the proportion of raw materials such as coal, oxygen and water vapor and the uniform distribution of materials, etc., the crude gas containing carbon monoxide and hydrogenation ≥ 90% is produced after reaction. Then, through chilling, separation, washing and other processes, solid objects are separated to o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/50
CPCY02E20/18
Inventor 袁金刚朱玉营石剑姜从斌丁建平郑帅彭书毛炜
Owner CHANGZHENG ENG
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