钢铁工业大气污染物排放标准

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钢铁工业大气污染物排放标准

炼 钢

(征求意见稿)

编 制 说 明

宝山钢铁股份有限公司

上海宝钢工程技术有限公司

二○○七年九月

I目 次

1 任务来源及工作过程.................................................................................................................................1 1.1任务来源...................................................................................................................................................1 1.2工作过程...................................................................................................................................................1 2制订本标准的必要性..................................................................................................................................3 2.1钢铁工业发展概况...................................................................................................................................3 2.2现行排放标准存在的主要问题...............................................................................................................5 2.3制订本标准的必要性...............................................................................................................................7 3制订本标准的法规政策依据、技术依据及编制原则..............................................................................7 3.1法规政策依据...........................................................................................................................................8 3.2技术依据.................................................................................................................................................12 3.3编制原则.................................................................................................................................................13 4炼钢工艺、产生的污染物及最佳控制技术............................................................................................17 4.1炼钢工艺及产生的污染物.....................................................................................................................17 4.1.1 转炉炼钢.............................................................................................................................................17 4.1.2 电炉炼钢.............................................................................................................................................19 4.1.3 连铸.....................................................................................................................................................20 4.2污染物的特点与最佳控制技术.............................................................................................................21 4.2.1转炉炼钢..............................................................................................................................................21 4.2.2转炉炼钢..............................................................................................................................................23 4.2.3连铸工艺..............................................................................................................................................24 4.2.4焙烧烟气..............................................................................................................................................24 5国内外炼钢工序大气污染物控制水平调查............................................................................................24 5.1国内炼钢工序大气污染物控制水平调查.............................................................................................24 5.2国外炼钢工序大气污染物控制水平调查.............................................................................................27 5.2.1美国......................................................................................................................................................27 5.2.2日本......................................................................................................................................................29 5.2.3欧盟(德国)....................................................................................................................................29 5.2.4英国......................................................................................................................................................31 6本排放标准的主要技术内容及确定依据................................................................................................32 6.1主要技术内容的确定.............................................................................................................................32 6.2排放限值的确定依据.............................................................................................................................32 6.2 .1转炉炼钢废气.....................................................................................................................................32 6.2.2 电炉烟粉尘.........................................................................................................................................33 6.2.3炼钢车间其他生产性粉尘..................................................................................................................33 6.2.4 石灰窑含尘废气.................................................................................................................................34 6.2.5 连铸火焰清理及火焰切割烟气.........................................................................................................34 6.2.6 氟化物.................................................................................................................................................34 6.2.7 烟粉尘的无组织排放.........................................................................................................................35 6.2.8 二噁英问题.........................................................................................................................................36 6.2.8.1 二噁英的产生...............................................................................................................................36 6.2.8.2 二噁英的减排...............................................................................................................................37