2024年1-2月(yue),重(zhong)點統計鋼(gang)鐵企業用(yong)水量(liang)150.58億立(li)方(fang)(fang)米(mi),同(tong)(tong)比(bi)(bi)增加5.79億立(li)方(fang)(fang)米(mi),同(tong)(tong)比(bi)(bi)增長(chang)4.0%。其中:取水量(liang)較上(shang)年同(tong)(tong)期減(jian)少166.52萬立(li)方(fang)(fang)米(mi),同(tong)(tong)比(bi)(bi)下降0.68%;重(zhong)復(fu)利用(yong)量(liang)較上(shang)年同(tong)(tong)期增加5.80億立(li)方(fang)(fang)米(mi),同(tong)(tong)比(bi)(bi)增長(chang)4.08%。重(zhong)復(fu)利用(yong)率98.37%,同(tong)(tong)比(bi)(bi)提高(gao)0.08個百分點;噸鋼(gang)取水量(liang)2.21立(li)方(fang)(fang)米(mi)/噸,同(tong)(tong)比(bi)(bi)下降2.71%。
排(pai)水量(liang)較上年同期減少717.21萬(wan)立(li)方米,同比(bi)下降(jiang)18.18%。廢水中化學需氧量(liang)、氨氮(dan)、揮發酚、總氰化物(wu)、懸浮(fu)物(wu)、石油類污染(ran)物(wu)排(pai)放量(liang)同比(bi)下降(jiang)25.53%、48.78%、19.14%、23.26%、46.13%。
廢氣排(pai)放(fang)(fang)總量同比(bi)增(zeng)長12.96%。廢氣中(zhong)二氧(yang)化(hua)硫(liu)、顆(ke)粒物、氮氧(yang)化(hua)物排(pai)放(fang)(fang)量分別(bie)同比(bi)下降7.30%、6.57%、7.15%。噸(dun)(dun)鋼二氧(yang)化(hua)硫(liu)排(pai)放(fang)(fang)量0.19千(qian)克/噸(dun)(dun),同比(bi)下降12.63%;噸(dun)(dun)鋼顆(ke)粒物排(pai)放(fang)(fang)量0.20千(qian)克/噸(dun)(dun),同比(bi)下降9.67%;噸(dun)(dun)鋼氮氧(yang)化(hua)物排(pai)放(fang)(fang)量0.35千(qian)克/噸(dun)(dun),同比(bi)下降9.10%。
鋼渣(zha)(zha)產生(sheng)量1371.08萬噸,同(tong)(tong)比(bi)增長(chang)(chang)1.53%。高(gao)爐渣(zha)(zha)產生(sheng)量3599.88萬噸,同(tong)(tong)比(bi)增長(chang)(chang)1.69%。含鐵塵(chen)泥(ni)產生(sheng)量658.74萬噸,同(tong)(tong)比(bi)增長(chang)(chang)5.19%。鋼渣(zha)(zha)利(li)用(yong)率(lv)(lv)98.72%,比(bi)上年同(tong)(tong)期提高(gao)0.45個(ge)百(bai)(bai)分點(dian);高(gao)爐渣(zha)(zha)利(li)用(yong)率(lv)(lv)97.87%,比(bi)上年同(tong)(tong)期減少0.18個(ge)百(bai)(bai)分點(dian);含鐵塵(chen)泥(ni)利(li)用(yong)率(lv)(lv)99.88%,比(bi)上年同(tong)(tong)期增加0.42個(ge)百(bai)(bai)分點(dian)。
高爐煤(mei)(mei)氣產(chan)生(sheng)量(liang)1478.12億立(li)方(fang)米(mi)(mi)(mi),同(tong)比(bi)增(zeng)(zeng)長0.06%。轉(zhuan)爐煤(mei)(mei)氣產(chan)生(sheng)量(liang)134.99億立(li)方(fang)米(mi)(mi)(mi),同(tong)比(bi)增(zeng)(zeng)長10.09%。焦(jiao)爐煤(mei)(mei)氣產(chan)生(sheng)量(liang)90.25億立(li)方(fang)米(mi)(mi)(mi),同(tong)比(bi)增(zeng)(zeng)長7.89%。高爐煤(mei)(mei)氣利用率(lv)98.94%,比(bi)上(shang)年同(tong)期提高0.40個百(bai)(bai)分點(dian)。轉(zhuan)爐煤(mei)(mei)氣利用率(lv)98.0%,比(bi)上(shang)年同(tong)期減少0.15個百(bai)(bai)分點(dian);焦(jiao)爐煤(mei)(mei)氣利用率(lv)98.72%,比(bi)上(shang)年同(tong)期增(zeng)(zeng)加(jia)0.32個百(bai)(bai)分點(dian)。(中鋼協) |