高钠煤沾污判别指数分辨率研究及优化
屈波1，张秀昌2,3*，潘绍成2,3，张定海2,3
（1.大唐吉木萨尔五彩湾北一发电有限公司，新疆 吉木萨尔 831700；2.清洁燃烧与烟气净化四川省重点实验室，四川 成都 611731；3.东方电气集团东方锅炉股份有限公司，四川 自贡 643001）
摘要：汇总了常用煤的若干沾污判别指标，并将这些判别指标与多种煤的沾污测试结果做拟合比较，拟合优度R2表明，单一成分（Na2O）判别指标分辨率较低，综合沾污指数B/A•Na2O分辨率最高；本研究利用固定床测试了钠的释放率，优了化判别公式，提出以B/A•(Na2O＋0.66 K2O)•Ψ判断高钠煤的沾污特性，提高了判别准确度。
关键词：高钠煤；沾污；释放率
中图分类号：TQ533 文献标志码：A doi：10.3969/j.issn.1006-0316.2018.08.005
文章编号：1006－0316 (2018) 08－0021－05
Research and Optimization on the Resolution index for Judging Contamination Characteristic of High Sodium and Potassium Coal
QU Bo1，ZHANG Xiuchang2,3，PAN Shaocheng2,3，ZHANG Dinghai2,3
( 1.Datang Jimsar North Bay Power Generation Co., Ltd., Jimusaer 831700, China; 2.Clean Combustion and Flue Gas Purification Key Laboratory of Sichuan Province, Chengdu 611731, China;
3.Dongfang Boiler Group Co., Ltd., Zigong 643001, China )
3.Dongfang Boiler Group Co., Ltd., Zigong 643001, China )
Abstract：This paper summarizes fouling judging indexes of some commonly used coal and tests the fouling of several coal based on the pulverized coal combustion test platform and the results are compared with multiple fouling judging indexes. The coefficient of determination R2 showed that the single component Na2O discriminant index had the lower resolution and the comprehensive fouling index B/A•Na2O had the highest resolution. In this study, the release rate of sodium was measured by fixed bed, and the discriminant formula was optimized. The B/A•(Na2O+0.66 K2O)•Ψ was used to judge the fouling property of high sodium coal, and the discriminant accuracy was improved.
Key words：coal with high sodium and potassium；fouling property；release rate
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收稿日期：2018－01－07
作者简介：屈波（1971－），男，河北保定人，本科，工程师，主要从事火电、新能源建设生产运营工作。*通讯作者：张秀昌（1981－），男，河南开封人，工程硕士，高级工程师，主要研究方向为煤高效清洁燃烧。
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