IGCC燃机入口合成气温度低导致跳机问题分析及解决措施

doi:10.11930/j.issn.1004-9649.20160466

中国电力 ›› 2018, Vol. 51 ›› Issue (3): 1-6.DOI: 10.11930/j.issn.1004-9649.20160466

IGCC燃机入口合成气温度低导致跳机问题分析及解决措施

丁建博, 赵雁鹏, 王健

华能(天津)煤气化发电有限公司, 天津 300452

收稿日期:2016-03-28 修回日期:2017-12-28 出版日期:2018-03-05 发布日期:2018-03-12
作者简介:丁建博(1990—),男,辽宁大石桥人,助理工程师,从事合成气混合加湿系统、IGCC燃机、IGCC工艺研究,E-mail:635791597@qq.com;赵雁鹏(1990—),男,天津人,助理工程师,从事IGCC控制逻辑研究,E-mail:tjutzyp@163.com;王健(1990—),男,天津蓟县人,助理工程师,从事IGCC燃机、IGCC仪表研究,E-mail:451543746@qq.com。
基金资助:
国家科技支撑计划项目（2014BAA05B02）。

Analysis on IGCC Unit Trip Caused by Low Temperature at Gas Turbine Inlet and Its Solutions

DING Jianbo, ZHAO Yanpeng, WANG Jian

Huaneng Tianjin IGCC Co., Ltd., Tianjin 300452, China

Received:2016-03-28 Revised:2017-12-28 Online:2018-03-05 Published:2018-03-12
Supported by:
This work is supported by National Science and Technology Support Program (No. 2014BAA05B02).

摘要/Abstract

摘要： 天津IGCC示范电站的燃气轮机采用轻柴油和低热值的合成气为燃料。合成气由气化炉产生，先经过净化脱硫再通过混合加湿系统进入燃气轮机。在合成气切换过程中，经常会出现燃气轮机入口燃料温度波动、燃烧状况不稳定的问题，严重时可直接触发连锁跳机。对影响燃气轮机入口合成气温度的各种因素进行了分析，认为入口管路积水是导致入口合成气温度降低并触发跳机的主要原因。根据分析的结果，通过调整工艺条件、加设管道疏水设备、优化控制系统逻辑等多个方面解决了此类问题的再次发生。

关键词: IGCC, 燃气轮机入口温度, 合成气, 燃气轮机, 合成气饱和器

Abstract: The gas turbine in Tianjin IGCC demonstration power plant is fueled with light diesel oil and the synthesis gas with low calorific value. After desulfurization, the synthesis gas produced in the gasifier enters the gas turbine through the gas hybrid humidification system. In the synthesis gas exchange process, problems such as the temperature fluctuation in the entrance, the instability of combustion condition occur frequently, resulting in the chain tripping under some severe circumstances. The entrance temperature is a major factor that affects the stable operation of the gas turbine. In this article, the factors that influence the entrance temperature change are analyzed. It is concluded that water accumulated inside the turbine is the main cause of the entrance temperature decrease and direct tripping. Based on the analysis, the technological conditions, the pipeline drainage equipments and the system control logic are improved to prevent such problems from occurring again.

Key words: IGCC, gas turbine inlet temperature, syngas, gas turbine, syngas saturator

中图分类号:

TM611.24

丁建博, 赵雁鹏, 王健. IGCC燃机入口合成气温度低导致跳机问题分析及解决措施[J]. 中国电力, 2018, 51(3): 1-6.

DING Jianbo, ZHAO Yanpeng, WANG Jian. Analysis on IGCC Unit Trip Caused by Low Temperature at Gas Turbine Inlet and Its Solutions[J]. Electric Power, 2018, 51(3): 1-6.

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IGCC燃机入口合成气温度低导致跳机问题分析及解决措施

Analysis on IGCC Unit Trip Caused by Low Temperature at Gas Turbine Inlet and Its Solutions

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IGCC燃机入口合成气温度低导致跳机问题分析及解决措施

Analysis on IGCC Unit Trip Caused by Low Temperature at Gas Turbine Inlet and Its Solutions

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