IGCC电站单一煤种运行试验的研究

Experimental Research on Unblended Coal Combustion in IGCC Power Station

整体煤气化联合循环(IGCC)发电技术是一种清洁、高效的燃煤发电技术,通过气化炉的运行参数可以判断不同煤种运行的稳定性和经济性。2014—2016年,天津IGCC电站分阶段分别在气化炉内进行单一煤种和混煤的对比运行试验。试验表明,从实施单一煤种运行试验以来,气化炉运行稳定,各主要参数正常,挂渣排渣正常,并降低了1400万左右的运行费用。气化炉进行单一煤种运行试验,验证了单一煤种在气化炉中运行的可行性,对以后气化炉特别是IGCC电站气化炉的设计和运行具有一定的借鉴作用。

IGCC(Integrated Gasification Combined Cycle)is a clean and high-efficiency coal power generation technology.The stability and economy of the operation using different types of coal can be determined via the operation parameters of gasifier.Between 2014 and 2016,the comparative combustion tests of unblended coal and blended coal were carried out by stages in the gasifier of Tianjin IGCC power station.Since the kickoff of unblended coal combustion testing,the gasifier has been operated in stable condition,and the slag blocking has been significantly reduced.The operation costs of almost 14 million RMB have been saved,compared with the blended coals combustion.Therefore the feasibility of unblended coal combustion in gasifier is verified,which will provide references for future design and operation of gasifier,especially those in the IGCC stations.This work is supported by National Key Technologies R&D Program(No.2014BAA05B02).