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建(jian)設(she)“無廢城(cheng)市(shi)"是(shi)深(shen)入打(da)好(hao)汙(wu)染(ran)防(fang)治攻(gong)堅戰的重要舉(ju)措(cuo),是推(tui)動(dong)實(shi)現(xian)高質(zhi)量(liang)發(fa)展(zhan)的有力抓(zhua)手(shou)。近(jin)年(nian)來,無錫市(shi)“無廢城(cheng)市(shi)"建(jian)設(she)堅持(chi)高位部(bu)署,壹(yi)路快馬加(jia)鞭,湧(yong)現(xian)出(chu)壹(yi)大(da)批(pi)典(dian)型項(xiang)目(mu)和先進做法(fa)。為(wei)充分發(fa)揮(hui)典(dian)型示(shi)範作用,激發(fa)“無廢城(cheng)市(shi)"創新(xin)活(huo)力,“無錫生(sheng)態(tai)環境(jing)"特(te)開(kai)設(she)“無廢城(cheng)市(shi)"建(jian)設(she)巡(xun)禮專(zhuan)欄,展(zhan)示我市(shi)在(zai)“無廢城(cheng)市(shi)"建(jian)設(she)過(guo)程(cheng)中(zhong)的優秀(xiu)案(an)例。
路(lu)順(shun)環保(bao)科(ke)技(宜(yi)興)有(you)限公司投資(zi)2.2億(yi)元(yuan),建(jian)設(she)天(tian)然氣高溫熔融(rong)飛灰(hui)綜(zong)合(he)利(li)用項目(mu),項(xiang)目(mu)占(zhan)地約60畝(mu),采(cai)取(qu)自(zi)主研(yan)發(fa)的“飛灰(hui)水(shui)洗(xi)脫(tuo)氯(lv)+天(tian)然氣純(chun)氧高溫熔融(rong)"生(sheng)產(chan)工(gong)藝,投運後每(mei)年可綜(zong)合(he)利(li)用飛灰(hui)3萬噸,生(sheng)產(chan)防火巖棉(mian)板1.65萬噸、巖棉(mian)3.35萬噸。

項(xiang)目(mu)主體(ti)工(gong)藝包(bao)括飛灰(hui)水(shui)洗(xi)脫(tuo)氯(lv)、VPSA制(zhi)氧(yang)、高溫熔融(rong)、保溫棉(mian)生(sheng)產(chan)四大(da)部(bu)分。項目(mu)將(jiang)生(sheng)活(huo)垃(la)圾(ji)焚(fen)燒飛灰(hui)經(jing)三(san)級水(shui)洗(xi)方(fang)式進(jin)行(xing)充分脫(tuo)氯(lv),並(bing)通(tong)過(guo)天(tian)然氣富(fu)氧(yang)燃燒保(bao)持(chi)爐(lu)內(nei)1400-1600℃的高溫,使(shi)二(er)噁英被(bei)分解(jie),重金(jin)屬被穩(wen)定(ding)晶格(ge)化,實(shi)現(xian)飛灰(hui)無害(hai)化。處(chu)置(zhi)過(guo)程(cheng)中(zhong)脫(tuo)氯(lv)飛灰(hui)與(yu)玄武(wu)巖(yan)、石英砂等(deng)輔(fu)料科(ke)學配伍,高溫熔融(rong)生(sheng)產(chan)新(xin)型(xing)保(bao)溫(wen)棉(mian)等資源(yuan)化(hua)產(chan)品。





項(xiang)目(mu)采(cai)用“飛灰(hui)水(shui)洗(xi)脫(tuo)氯(lv)+天(tian)然氣高溫熔融(rong)"處理技(ji)術,無錫市(shi)飛灰(hui)資源(yuan)化(hua)利(li)用能力(li)空(kong)白(bai),並(bing)且(qie)生(sheng)產(chan)工(gong)藝自(zi)動化(hua)、密閉(bi)化(hua)程(cheng)度高,能有(you)效(xiao)控制(zhi)飛灰(hui)處理(li)過(guo)程(cheng)中(zhong)的二次汙(wu)染(ran)。飛灰(hui)水(shui)洗(xi)脫(tuo)氯(lv)及(ji)高溫熔融(rong)階段均(jun)可形成高附(fu)加(jia)值(zhi)產(chan)品,為(wei)推(tui)動(dong)危險廢物(wu)趨零填(tian)埋提供(gong)示(shi)範借鑒。
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