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Oxygen Feed Control System and Its Gasifier Feed System

A feed control, oxygen technology, applied in granular/powder fuel gasification, gasification process, gasification device details, etc., can solve the problems of complex structure, high operation intensity, high investment cost, etc., to reduce hardware investment , the effect of enhancing reliability and reducing investment costs

Active Publication Date: 2018-10-02
EAST CHINA UNIV OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the defects of the prior art control system, such as high operating intensity, complex structure, reliability problems and huge investment costs in long-term operation, and provides a system that is simpler, more reliable, and lower in investment Oxygen feed control system and its gasifier feed system

Method used

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  • Oxygen Feed Control System and Its Gasifier Feed System
  • Oxygen Feed Control System and Its Gasifier Feed System

Examples

Experimental program
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Effect test

Embodiment 1

[0039] a kind of like figure 1As shown in the oxygen feed control system, the oxygen feed control system includes an oxygen flow establishing system and an oxygen feeding system; the pipeline of the oxygen flow establishing system passes through the first remote control valve 101 and the oxygen flow regulating valve sequentially from the oxygen source 111 is connected with the oxygen feeding system; the pipeline of the oxygen feeding system is divided into branch pipe A and branch pipe B after the first shut-off valve 121 and the second shut-off valve 122 in turn, and each branch pipe passes through the branch pipe throttling element 131 and Nozzle connection. The pipeline between the oxygen flow regulating valve 111 and the first shut-off valve 121 is also provided with a venting branch pipe, and the pipeline of the venting branch pipe is connected to the atmosphere through the third shut-off valve 123 and the second remote control valve 102 to vent in sequence. Each of the ...

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Abstract

The invention discloses an oxygen feeding control system and a gasifier feeding system thereof. The oxygen feeding control system comprises an oxygen flow establishing system and an oxygen charging system. A pipeline of the oxygen flow establishing system is connected with the oxygen charging system from an oxygen source through a first remote control valve and an oxygen flow adjusting valve in sequence. A pipeline of the oxygen charging system is divided into at least two branch pipes after passing through a first stop valve and a second stop valve sequentially, and each branch pipe is connected with a nozzle through a branch pipe throttling element. The gasifier feeding system comprises the oxygen feeding control system. By means of the oxygen feeding control system and the gasifier feeding system thereof, the hardware investment on valves and metering systems in a set of oxygen feeding control system is greatly reduced, then, the cost of investment on a whole gasifier system is reduced, the operation intensity and complexity of the system are lowered, the probability of system fault shutdown caused by partial damage of the valves and the metering systems is reduced, and the reliability of the whole gasifier feeding system is enhanced.

Description

technical field [0001] The invention relates to an oxygen feeding control system and a gasification furnace feeding system thereof. Background technique [0002] The coal gasification process uses oxygen (air, oxygen-enriched or industrial pure oxygen) and water vapor as the gasification agent to convert the combustible part of coal or coal char into combustible gas through chemical reaction under high temperature and pressure. Among them, entrained bed gasification technology has become the mainstream technology of coal gasification because of its good technical indicators, high processing load and environmental friendliness. Among them, the multi-nozzle opposed coal gasification technology is one of the mainstream international advanced large-scale coal gasification technologies. It has been widely used in industries due to its unique large-scale advantages, excellent process performance and safety and reliability. [0003] The characteristic of multi-nozzle opposed gasif...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10J3/48
CPCC10J3/48C10J2200/152C10J2300/093C10J2300/0959
Inventor 许建良于广锁刘海峰代正华赵辉李伟锋梁钦锋郭晓镭郭庆华龚欣王辅臣王亦飞陈雪莉王兴军刘霞陆海峰李超龚岩王立
Owner EAST CHINA UNIV OF SCI & TECH
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