钢铁生产过程中温室气体的计量_热能与动力工程.rar

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  • 更新时间:2016-06-09
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摘 要:近年来,全球变暖已成为全世界最关心的环保问题,造成全球变暖的主要原因是大量的温室气体产生。每当大气中CO2浓度增加1倍时,气温会上升4—6℃,不断演化使人类所赖以生存的生态和社会经济系统受到极大的危害。人类只有一个地球,减少温室气体排放已成为当今国际社会所面临的一个刻不容缓的问题了。

   钢铁企业生产主要流程有:炼焦生产、烧结生产、高炉生产、转炉生产、连铸生产和热轧生产,分长流程和短流程两种,温室气体的排放与所采用的流程密切相关,长短流程排放量之比约为4.8:1。温室气体的排放主要取决于钢铁生产流程中铁的来源:使用回收铁和废钢炼钢比直接用铁矿还原炼钢需要更少的能量和碳。

   本课题主要从研究背景及意义,国际通行方法,钢铁生产过程中的碳计量以及实例分析等方面进行介绍。主要内容包括:温室气体对气候的影响,温室气体排放现状,温室气体减排措施,CO2捕集与存储技术(CCS)发展概况;了解温室气体排放计量意义与基本方法;掌握钢铁生产流程,并确定钢铁生产过程温室气体排放计量方法。基于以上两点,对钢铁企业特定的实际运行过程进行温室气体排放计量。

关键词:温室气体、钢铁生产碳的计量、温室气体的减排

 

Abstract:In the recent years, global warming has become the world's most concern the environmental protection question, and cause the main cause of global warming is a lot of greenhouse gases generated. Whenever atmospheric CO2 concentration, double temperatures will rise when 4 to 6 ℃, and constantly evolution of what human survival ecological and social economic system is the enormous harm. There is only one earth, reduce greenhouse gas emissions have become today's international society faces a urgent question.

   Steel enterprises, the production of major process are: coking production, sintering production, blast furnace production, converter production, continous casting production and hot-rolling production, long process and short process runs two, greenhouse gas emissions and the process is closely related to the ratio of the length of flow approximately 4.8 emissions: 1. Greenhouse gas emissions mainly depends on the source of iron and steel production process and scrap iron recycle: use of steelmaking with iron ore than direct reduction steelmaking require less energy and carbon.

   This topic contents include: a greenhouse gas effects on climate situation, greenhouse gas emissions, greenhouse gas measures, CO2 capture and storage technology development survey (CCS); Understand greenhouse gas emissions measurement significance and basic methods; Master steel production processes, and determined the steel production process greenhouse gas emissions measurement method. Based on the above two points, to steel enterprise specific actual operation process for greenhouse gas emissions measurement.

Keywords: greenhouse gases, carbon steel production of measurement, greenhouse gas emissions

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