基于煤氢协同与柴油动力的露天矿卡综合排放性对比  

Contrastive research on comprehensive emission of haul truck basedon coal-hydrogen synergy and diesel engine

作　　者：刘少权 王海军[1] 史翊翔[2] LIU Shaoquan;WANG Haijun;SHI Yixiang(China Instiute of Coal Science,China Coal Technology&Engineering Group,Beijing 100013,China;Department of Energy and Power Engineering,Tsinghua University,Beijing 100084,China)

机构地区：[1]中国煤炭科工集团煤炭科学研究总院有限公司,北京100013 [2]清华大学能源与动力工程系,北京100084

出　　处：《洁净煤技术》2023年第11期161-166,共6页Clean Coal Technology

基　　金：中国煤科集团重点资助项目(2020-2-TD-ZD004)。

摘　　要：矿卡运输是露天煤矿的关键生产系统,随着绿色低碳和清洁环保要求的提高,能源转化和矿卡动力系统运行是露天煤矿大气污染物和温室气体排放的主要来源之一,其已成为研究热点。为研究露天矿卡能源与动力方案综合排放性,以某露天煤矿及其运输系统作为研究对象,对能源转化和矿卡动力2个子系统设计了3种基于煤氢协同的技术方案及另外1种传统技术路线的对比方案,确定研究范围和边界条件,建立研究模型和数据清单,以10 a为周期对运输1 m^(3)·km的土石方或煤炭的燃料周期过程中的大气污染物和温室气体排放进行定量分析和对比。结果表明方案2采用绿氢动力的综合排放性最好,方案1和3可将排放从矿卡动力转移到能源转化环节,有利于采取集中有效措施进行减排,方案1的减排重点为脱硫和除尘,方案3和方案4的减排重点为CO_(2)捕集、封存和利用,方案4矿卡柴油动力系统的大气污染物CO和HC+NO_(x)排放量大,减排技术难度大,有必要开展矿卡新型清洁高效动力系统研究。Haul truck transportation is a key production system in opencast coal mine.With the increasing requirements for green,low-carbon,clean and environmental protection,energy conversion and haul truck power,as one of the main sources of atmospheric pollutants and greenhouse gas emissions from opencast coal mine,have become research hotspots.In order to research the comprehensive emission of energy and power scheme of haul truck,a certain open-pit coal mine and its transportation system were taken as the research object.Three technical schemes based on coal-hydrogen synergy and another comparison plan of traditional technology routes were designed for the two subsystems of energy conversion and haul truck power.The research scope and boundary conditions were determined,and the research models and data lists were established.Quantitative analysis and comparative study were conducted on the atmospheric pollutants and greenhouse gas emissions during the fuel cycle of transporting 1 m^(3)·km of earthwork or coal over a period of 10 a.The result shows that Scheme 2 uses green hydrogen power to achieve the best comprehensive emission performance.Schemes 1 and 3 can transfer emissions from haul truck power to energy conversion,which is conducive to adopting centralized and effective measures for emission reduction.The emission reduction focus of Scheme 1 is on desulfurization and dust removal,while the emission reduction focus of Scheme 3 and Scheme 4 is on CO_(2) capture,storage,and utilization.Scheme 4 has a large emission of atmospheric pollutants including CO and HC+NO_(x) from the diesel power system of the haul truck,making emission reduction technology difficult.It is necessary to research on a new clean and efficient power system of the haul truck.

关 键 词：煤氢协同 煤矿运输 矿用自卸车 综合排放性 氢能动力 

分 类 号：TQ53[化学工程—煤化学工程] TK114[动力工程及工程热物理—热能工程]