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枣庄矿业(集团)有限责任公司田陈富源煤矸石电厂2×200MW发电机组扩建工程环境影响报告书简本建设单位:滕州富源低热值燃料热电有限公司评价单位:环境保护部环境发展中心二00九年十二月I目录1环评工作总体设计····························································11.1评价标准·················································································11.2环评工作程序···········································································21.3公众参与开展情况·····································································22工程概况及污染因素分析···················································32.1现有工程·················································································32.2扩建工程················································································53环境质量现状调查与评价···················································83.1环境空气质量现状·····································································83.2水环境质量现状·······································································93.3声环境质量现状·······································································93.4生态环境水平··········································································94环境影响预测及评价·························································94.1环境空气影响预测及评价····························································94.2地表水环境影响分析································································104.3噪声环境影响预测评价·····························································104.4灰渣综合利用影响分析·····························································114.5输煤系统及煤场环境影响··························································114.7生态影响分析········································································115环境风险评价································································126环境污染防治措施与对策·················································126.1烟气治理措施·········································································126.2废水治理措施·········································································136.3噪声治理设施·········································································136.4固废综合利用措施和贮运污染防治对策·······································146.5生态保护措施·········································································147规划与产业政策相符性分析··············································147.1规划符合性分析······································································147.2产业政策符合性······································································158总量指标来源································································159环境影响评价主要结论····················································1511环评工作总体设计1.1评价标准1.1.1环境质量标准(1)环境空气扩建工程所在区域环境空气执行《环境空气质量标准》(GB3095-1996)及修改通知单二级标准.(2)水环境与扩建工程相关的地表水体北河执行《地表水环境质量标准》(GB3838-2002)Ⅲ类标准;区域地下水水质执行《地下水质量标准》(GB/T14848-93)中Ⅲ类标准。(3)声环境区域声环境执行《声环境质量标准》(GB3096-2008)2类标准。1.1.2污染物排放标准(1)大气污染物锅炉废气污染物排放执行《火电厂大气污染物排放标准》(DB37/664—2007)中第3时段燃煤锅炉标准,现有工程执行第2时段燃煤锅炉标准,厂界无组织排放粉尘执行《大气污染物综合排放标准》(GB16297-1996)无组织排放监控浓度限值要求。(2)水污染物扩建工程正常工况下生产废水全部回用于矿区洗煤厂,生活污水进入蒋庄煤矿污水处理站处理后排入北河,厂内生活污水处理后执行《污水综合排放标准》(GB8978-1996)三级标准,污水处理站出水执行《山东省南水北调沿线水污染物综合排放标准》(DB37/599-2006)重点保护区域标准限值。(3)噪声扩建工程厂界执行《工业企业厂界环境噪声排放标准》(GB12348-2008)中的2类标准,铁路边界噪声执行《铁路边界噪声限值及其测量方法》(GB12525-90)中铁路边界噪声限值,施工期噪声执行《建筑施工场界噪声限值》(GB12523-90)。21.2环评工作程序本环评工作按以下阶段开展:第一阶段:收集资料、初步现场调查、信息公开、编制工作方案;第二阶段:现场调查监测、编制专题报告;第三阶段:编制环境影响报告书初稿、现场补充调查、信息反馈、编制环境影响报告书送审稿;第四阶段:专家审查、环境影响报告书修订并完成最终稿。如图1-1所示。1.收集资料2.初步现场调查3.信息公开编制工作方案现场调查监测信息沟通交流编制专题报告编制环境影响报告书初稿现场补充调查信息反馈编制环境影响报告书送审稿专家审查环境影响报告书修订完成最终稿第一阶段第二阶段第三阶段第四阶段公众参与图1-1环境影响评价工作程序图1.3公众参与开展情况依据《环境影响评价公众参与暂行办法》,滕州富源低热值燃料热电有限公司2008年5月25日对受扩建工程直接或间接影响的区域进行了第一次环境信息公开。公开方式有网站公示和各影响区域张贴公示,向公众公开扩建工程的基本信息。本简本为第二次公示。32工程概况及污染因素分析2.1现有工程2.1.1现有工程概况山东省环境保护局2003年5月16日以《关于枣庄矿业集团公司田陈煤矿低热值燃料电厂环境影响报告书的批复》(鲁环审[2003]46号)对现有工程环境影响报告书进行了批复,现有工程环评批复的建设规模为2台24MW抽凝汽式煤矸石发电机组,配备2×130t/h循环流化床锅炉。2007年11月滕州富源低热值燃料有限公司申请对机组规模进行了变更,现有工程实际建设规模为1台48MW抽凝汽式煤矸石发电机组,配备2×240t/h循环流化床锅炉(1用1备)。现有工程于2003年9月23日开工建设,2008年6月投入试生产,正式投入并网发电。2009年6月3日山东省环境保护局以《关于枣庄矿业集团有限责任公司田陈煤矿低热值燃料电厂项目竣工环境保护验收的批复》(鲁环验[2009]81号)对现有工程作出了验收批复。2.1.2地理位置现有工程位于山东省滕州市张汪镇境内,位于滕州市张汪镇田陈煤矿工业广场西北、原枣庄矿业集团下属第二机械厂南侧,周围主要为农田、林地和城市建设用地。厂址南侧为官(桥)柴(胡店)铁路,东侧为第二机械厂铁路专用线,西侧为田陈至柴里镇的公路。现有工程地理位置见图2-1。2.1.3生产工艺及环保设施概况洗矸、掘进次煤、洗混煤、煤泥运到厂区后,经破碎、一定比例混配后输送至炉前煤仓,通过给煤机和落煤管送入锅炉炉膛。利用田陈煤矿化水处理室处理锅炉补给水,处理后的水在锅炉内被加热成高温高压蒸汽,推动汽轮机高速旋转,使汽轮机带动发电,电能通过升压站送往输电线路,其中抽凝机组将一部分蒸汽抽出供工业蒸汽,另一部分经换热产生热水作为居民采暖热媒。主要生产设施及环保设施概况见表2-1-1。表2-1-1现有工程主要设备和环保设施概况表项目单位设备概况出力及投产时间出力MW48MW投产时间2008年7月4项目单位设备概况锅炉种类高温高压循环流化床锅炉蒸发量t/h2×240汽轮机种类C50-8.83/0.981-2型高压、单缸、冲动式、六级抽汽汽轮机出力MW48发电机种类-QFW-60-2型自并励磁发电机容量MW48烟气治理设备烟气除尘装置种类四电场静电除尘器+炉外湿法脱硫装置洗尘效率%>99.8%烟气脱硫装置种类炉内喷钙+炉外湿法脱硫效率%>90%烟囱型式钢筋混凝土烟囱高度m150出口内径m4.5冷却水处理方式处理方式-二次循环冷却种类—4000m2自然通风双曲线冷却塔排水处理方式工业废水处理方式-经中和处理后大部分回用,剩余部分排入厂区排水管网排放去向-矿区污水处理厂生活污水处理方式-经化粪池处理后排入厂区排水管网排放去向-矿区污水处理厂输煤冲洗水处理方式-经沉淀处理后排入厂区排水管网排放去向-矿区污水处理厂排放量×104t/a30.43灰渣处置系统处理方式-采用灰渣分除,干灰经气力输送至灰库,炉渣排出后经冷渣机冷却至150℃以下,由链斗输送机运至渣仓,全部由枣庄矿业集团公司水泥厂及枣庄市恒邦实业公司综合利用。处理量×104t/a15.62.1.4主要环保问题(1)厂界噪声超标现有工程东厂界和北厂界夜间噪声有超标现象,分别超标0.9~2.3dB(A)、1.6~2.3dB(A),主要是受自然通风冷却塔和机修厂设备噪声影响所致。(2)节水措施效果不明显现有工程锅炉补给水和生活用水采用深井地下水,应最大程度采取节水措施;从目前的用水损耗和回用情况来看,尚可以采取进一步的节水措施。(3)排水去向不符合要求现有工程排放工业废水与生活污水一并进入矿区生活污水处理厂,不符合鲁环审[2003]46号批复
本文标题:国电新疆库尔勒热电厂工程
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