煤粉爆炸指标在制粉系统防爆及燃煤管理应用中三大基本问题的探索  

Exploration on Three Basic Problems of Pulverized Coal Explosion Index in Pulverizing System Explosion Prevention and Coal Management

作　　者：张建中 李政 曹理平 ZHANG Jianzhong;LI Zheng;CAO Liping(Northwest Electric Power Design Institute Co.,Ltd.of China Power Engineering Consulting Group,Xi'an 710075,China;Economic and Technical Consulting Branch of China Huadian Corporation Ltd.,Beijing 100031,China;China Electric Power Planning&Engineering Institute,Beijing 100120,China)

机构地区：[1]中国电力工程顾问集团西北电力设计院有限公司,陕西西安710075 [2]中国华电集团有限公司经济技术咨询分公司,北京100031 [3]电力规划设计总院,北京100120

出　　处：《电力勘测设计》2025年第2期85-92,共8页Electric Power Survey & Design

摘　　要：本文从理论和实践层面分析国内规范在引进ВТИ煤粉爆炸指数中存在的误区;通过对国内外多种文献的比较分析,从以下三大基本问题进行探索:①爆炸指数确定方法选择;②爆炸指数分级界定标准及等级选择;③与爆炸指数等级配套防爆对策的选择。基于探索结果指出应予澄清的误区;提出可以取代ВТИ准则或俄2000标准的精准简化计算方法;分析煤粉爆炸指数等级与提升磨煤机防爆温度之间的关系;并提出运用煤粉爆炸指数定性指标—防爆温度线图来定性分析防爆配煤操作中的优化路线问题。This paper analyzes misunderstandings in explosion parameter of pulverized coal from the theoretical and practical aspects as the domestic norms introducingВТИ.Through comparative analysis of various domestic and foreign literatures,the following three basic issues are explored.①Selection of explosion parameter determination method.②Explosion parameter classification definition standard and grade selection.③Selection of explosion-proof countermeasures matching with explosion parameter grade.Based on the exploration results,the misunderstanding that should be clarified is pointed out.It is the first to propose the precise and simplified calculation method which can replaceВТИstandard or Russian 2000 standard.The relationship between the explosion parameter grade of pulverized coal and the explosion-proof temperature of coal mill is analyzed.The pulverized coal explosion qualitative index-explosion-proof temperature line diagram is proposed to qualitatively analyze the optimization route in explosion—proof coal blending operation.

关 键 词：煤粉爆炸指数 分级界定标准 磨煤机防爆温度 ВТИ准则 

分 类 号：TM621[电气工程—电力系统及自动化]