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控制思路與要求

  (一)大(da)(da)力推(tui)(tui)進源(yuan)(yuan)頭(tou)替(ti)代(dai)。通過(guo)使用水性、粉末(mo)、高固(gu)體分、無溶(rong)劑(ji)(ji)、輻(fu)射(she)固(gu)化等(deng)(deng)低VOCs含(han)(han)量(liang)(liang)的(de)(de)(de)(de)(de)涂料(liao)(liao),水性、輻(fu)射(she)固(gu)化、植物(wu)基等(deng)(deng)低VOCs含(han)(han)量(liang)(liang)的(de)(de)(de)(de)(de)油墨,水基、熱熔、無溶(rong)劑(ji)(ji)、輻(fu)射(she)固(gu)化、改性、生(sheng)物(wu)降(jiang)解等(deng)(deng)低VOCs含(han)(han)量(liang)(liang)的(de)(de)(de)(de)(de)膠粘劑(ji)(ji),以及(ji)低VOCs含(han)(han)量(liang)(liang)、低反應(ying)活性的(de)(de)(de)(de)(de)清洗劑(ji)(ji)等(deng)(deng),替(ti)代(dai)溶(rong)劑(ji)(ji)型涂料(liao)(liao)、油墨、膠粘劑(ji)(ji)、清洗劑(ji)(ji)等(deng)(deng),從源(yuan)(yuan)頭(tou)減(jian)少(shao)VOCs產生(sheng)。工業(ye)(ye)(ye)涂裝、包裝印刷等(deng)(deng)行業(ye)(ye)(ye)要(yao)加(jia)大(da)(da)源(yuan)(yuan)頭(tou)替(ti)代(dai)力度;化工行業(ye)(ye)(ye)要(yao)推(tui)(tui)廣使用低(無)VOCs含(han)(han)量(liang)(liang)、低反應(ying)活性的(de)(de)(de)(de)(de)原輔材料(liao)(liao),加(jia)快對芳香烴、含(han)(han)鹵素有(you)機化合物(wu)的(de)(de)(de)(de)(de)綠色替(ti)代(dai)。企業(ye)(ye)(ye)應(ying)大(da)(da)力推(tui)(tui)廣使用低VOCs含(han)(han)量(liang)(liang)木器(qi)涂料(liao)(liao)、車(che)輛涂料(liao)(liao)、機械(xie)設備(bei)涂料(liao)(liao)、集裝箱涂料(liao)(liao)以及(ji)建筑物(wu)和(he)(he)構筑物(wu)防護涂料(liao)(liao)等(deng)(deng),在技術成熟的(de)(de)(de)(de)(de)行業(ye)(ye)(ye),推(tui)(tui)廣使用低VOCs含(han)(han)量(liang)(liang)油墨和(he)(he)膠粘劑(ji)(ji),重點區域到2020年(nian)年(nian)底前基本完成。鼓勵加(jia)快低VOCs含(han)(han)量(liang)(liang)涂料(liao)(liao)、油墨、膠粘劑(ji)(ji)等(deng)(deng)研發和(he)(he)生(sheng)產。


  加強政(zheng)策引導。企(qi)業(ye)采用符合(he)國家有(you)關低VOCs含量(liang)產品規定(ding)的(de)涂料、油墨(mo)、膠粘(zhan)劑等,排(pai)放(fang)濃度穩定(ding)達標且排(pai)放(fang)速率、排(pai)放(fang)績效(xiao)等滿足(zu)相(xiang)關規定(ding)的(de),相(xiang)應(ying)生產工序可不要求建設末端治理設施(shi)。使用的(de)原輔材料VOCs含量(liang)(質量(liang)比)低于10%的(de)工序,可不要求采取無組織排(pai)放(fang)收集措施(shi)。


  (二)全面加強(qiang)無組織排放(fang)控(kong)制。重點(dian)對含(han)(han)VOCs物料(liao)(liao)(liao)(包括含(han)(han)VOCs原輔材料(liao)(liao)(liao)、含(han)(han)VOCs產(chan)品、含(han)(han)VOCs廢料(liao)(liao)(liao)以及有機(ji)聚合物材料(liao)(liao)(liao)等)儲存、轉移(yi)和輸送、設備(bei)與管線組件泄(xie)漏(lou)、敞開(kai)液面逸散以及工(gong)藝(yi)過程等五類排放(fang)源實施管控(kong),通過采(cai)取(qu)設備(bei)與場所密閉、工(gong)藝(yi)改(gai)進、廢氣有效收集等措施,削減VOCs無組織排放(fang)。


  加強設備(bei)與場所密(mi)(mi)閉(bi)(bi)管(guan)理。含VOCs物料(liao)(liao)應儲存于(yu)密(mi)(mi)閉(bi)(bi)容(rong)器(qi)、包裝袋(dai),高(gao)效(xiao)密(mi)(mi)封儲罐,封閉(bi)(bi)式儲庫、料(liao)(liao)倉等。含VOCs物料(liao)(liao)轉(zhuan)移和輸送,應采用密(mi)(mi)閉(bi)(bi)管(guan)道或密(mi)(mi)閉(bi)(bi)容(rong)器(qi)、罐車等。高(gao)VOCs含量廢水(廢水液(ye)面上方100毫米處(chu)VOCs檢測濃度超過200ppm,其中,重(zhong)點區域超過100ppm,以碳計(ji))的(de)集輸、儲存和處(chu)理過程(cheng),應加蓋密(mi)(mi)閉(bi)(bi)。含VOCs物料(liao)(liao)生產和使用過程(cheng),應采取(qu)有效(xiao)收集措施或在(zai)密(mi)(mi)閉(bi)(bi)空間(jian)中操(cao)作。


  推進(jin)使(shi)用(yong)(yong)(yong)先進(jin)生產工(gong)(gong)(gong)(gong)藝(yi)(yi)。通過(guo)采用(yong)(yong)(yong)全(quan)密閉、連續化(hua)、自動化(hua)等(deng)(deng)生產技(ji)術(shu),以及高(gao)效工(gong)(gong)(gong)(gong)藝(yi)(yi)與設(she)(she)備等(deng)(deng),減(jian)少工(gong)(gong)(gong)(gong)藝(yi)(yi)過(guo)程無(wu)組織排放。揮發(fa)性有機(ji)(ji)(ji)液體(ti)裝(zhuang)載(zai)優(you)先采用(yong)(yong)(yong)底部裝(zhuang)載(zai)方(fang)式。石(shi)化(hua)、化(hua)工(gong)(gong)(gong)(gong)行(xing)業重(zhong)點(dian)推進(jin)使(shi)用(yong)(yong)(yong)低(無(wu))泄漏的泵(beng)、壓縮機(ji)(ji)(ji)、過(guo)濾機(ji)(ji)(ji)、離心機(ji)(ji)(ji)、干(gan)燥(zao)設(she)(she)備等(deng)(deng),推廣(guang)(guang)采用(yong)(yong)(yong)油品(pin)在線調(diao)和技(ji)術(shu)、密閉式循環水(shui)冷卻系(xi)統等(deng)(deng)。工(gong)(gong)(gong)(gong)業涂(tu)(tu)(tu)(tu)(tu)裝(zhuang)行(xing)業重(zhong)點(dian)推進(jin)使(shi)用(yong)(yong)(yong)緊湊式涂(tu)(tu)(tu)(tu)(tu)裝(zhuang)工(gong)(gong)(gong)(gong)藝(yi)(yi),推廣(guang)(guang)采用(yong)(yong)(yong)輥涂(tu)(tu)(tu)(tu)(tu)、靜電噴(pen)涂(tu)(tu)(tu)(tu)(tu)、高(gao)壓無(wu)氣(qi)(qi)噴(pen)涂(tu)(tu)(tu)(tu)(tu)、空氣(qi)(qi)輔助(zhu)無(wu)氣(qi)(qi)噴(pen)涂(tu)(tu)(tu)(tu)(tu)、熱噴(pen)涂(tu)(tu)(tu)(tu)(tu)等(deng)(deng)涂(tu)(tu)(tu)(tu)(tu)裝(zhuang)技(ji)術(shu),鼓勵企業采用(yong)(yong)(yong)自動化(hua)、智能化(hua)噴(pen)涂(tu)(tu)(tu)(tu)(tu)設(she)(she)備替代(dai)人工(gong)(gong)(gong)(gong)噴(pen)涂(tu)(tu)(tu)(tu)(tu),減(jian)少使(shi)用(yong)(yong)(yong)空氣(qi)(qi)噴(pen)涂(tu)(tu)(tu)(tu)(tu)技(ji)術(shu)。包裝(zhuang)印(yin)(yin)(yin)(yin)刷(shua)行(xing)業大(da)力推廣(guang)(guang)使(shi)用(yong)(yong)(yong)無(wu)溶(rong)劑復(fu)合、擠(ji)出復(fu)合、共擠(ji)出復(fu)合技(ji)術(shu),鼓勵采用(yong)(yong)(yong)水(shui)性凹(ao)印(yin)(yin)(yin)(yin)、醇(chun)水(shui)凹(ao)印(yin)(yin)(yin)(yin)、輻射固化(hua)凹(ao)印(yin)(yin)(yin)(yin)、柔版印(yin)(yin)(yin)(yin)刷(shua)、無(wu)水(shui)膠印(yin)(yin)(yin)(yin)等(deng)(deng)印(yin)(yin)(yin)(yin)刷(shua)工(gong)(gong)(gong)(gong)藝(yi)(yi)。


  提(ti)高廢氣收(shou)集(ji)(ji)(ji)率。遵循“應(ying)收(shou)盡收(shou)、分(fen)質(zhi)收(shou)集(ji)(ji)(ji)”的(de)原則,科(ke)學設計廢氣收(shou)集(ji)(ji)(ji)系統,將無組(zu)織排放(fang)轉變為有組(zu)織排放(fang)進行(xing)控(kong)制。采用(yong)全密閉(bi)集(ji)(ji)(ji)氣罩(zhao)或密閉(bi)空間的(de),除行(xing)業有特(te)殊要求外,應(ying)保持微負壓狀態(tai),并根(gen)據相關規(gui)范合理設置通風量(liang)。采用(yong)局部集(ji)(ji)(ji)氣罩(zhao)的(de),距集(ji)(ji)(ji)氣罩(zhao)開口面(mian)最遠(yuan)處的(de)VOCs無組(zu)織排放(fang)位置,控(kong)制風速應(ying)不低(di)于(yu)0.3米/秒,有行(xing)業要求的(de)按相關規(gui)定執行(xing)。


  加強設備(bei)與(yu)管(guan)線組件(jian)泄漏控制。企業(ye)中載有氣(qi)態(tai)、液態(tai)VOCs物(wu)料的設備(bei)與(yu)管(guan)線組件(jian),密封點(dian)數量大于等(deng)于2000個的,應按(an)要(yao)求(qiu)開(kai)展LDAR工作。石化(hua)企業(ye)按(an)行(xing)業(ye)排放標準規定執行(xing)。


  (三)推進(jin)建設適宜高(gao)(gao)效的(de)(de)治(zhi)(zhi)污設施(shi)(shi)(shi)。企業(ye)(ye)新建治(zhi)(zhi)污設施(shi)(shi)(shi)或對現有治(zhi)(zhi)污設施(shi)(shi)(shi)實施(shi)(shi)(shi)改造,應(ying)依據排放廢(fei)氣的(de)(de)濃(nong)(nong)度(du)、組分、風量(liang)(liang),溫(wen)(wen)度(du)、濕度(du)、壓力,以(yi)及生(sheng)(sheng)(sheng)產(chan)工況等(deng),合(he)理(li)選擇(ze)治(zhi)(zhi)理(li)技(ji)(ji)術。鼓勵企業(ye)(ye)采用(yong)(yong)(yong)(yong)多種技(ji)(ji)術的(de)(de)組合(he)工藝,提高(gao)(gao)VOCs治(zhi)(zhi)理(li)效率。低(di)濃(nong)(nong)度(du)、大風量(liang)(liang)廢(fei)氣,宜采用(yong)(yong)(yong)(yong)沸石轉輪吸(xi)(xi)附(fu)、活(huo)性(xing)(xing)(xing)炭(tan)(tan)吸(xi)(xi)附(fu)、減風增濃(nong)(nong)等(deng)濃(nong)(nong)縮技(ji)(ji)術,提高(gao)(gao)VOCs濃(nong)(nong)度(du)后凈化(hua)處(chu)理(li);高(gao)(gao)濃(nong)(nong)度(du)廢(fei)氣,優先進(jin)行溶(rong)劑(ji)回收(shou)(shou)(shou),難以(yi)回收(shou)(shou)(shou)的(de)(de),宜采用(yong)(yong)(yong)(yong)高(gao)(gao)溫(wen)(wen)焚燒、催(cui)化(hua)燃燒等(deng)技(ji)(ji)術。油氣(溶(rong)劑(ji))回收(shou)(shou)(shou)宜采用(yong)(yong)(yong)(yong)冷(leng)凝(ning)+吸(xi)(xi)附(fu)、吸(xi)(xi)附(fu)+吸(xi)(xi)收(shou)(shou)(shou)、膜(mo)分離(li)+吸(xi)(xi)附(fu)等(deng)技(ji)(ji)術。低(di)溫(wen)(wen)等(deng)離(li)子、光催(cui)化(hua)、光氧化(hua)技(ji)(ji)術主(zhu)要適用(yong)(yong)(yong)(yong)于(yu)惡臭異味(wei)等(deng)治(zhi)(zhi)理(li);生(sheng)(sheng)(sheng)物法主(zhu)要適用(yong)(yong)(yong)(yong)于(yu)低(di)濃(nong)(nong)度(du)VOCs廢(fei)氣治(zhi)(zhi)理(li)和惡臭異味(wei)治(zhi)(zhi)理(li)。非水溶(rong)性(xing)(xing)(xing)的(de)(de)VOCs廢(fei)氣禁止(zhi)采用(yong)(yong)(yong)(yong)水或水溶(rong)液噴淋吸(xi)(xi)收(shou)(shou)(shou)處(chu)理(li)。采用(yong)(yong)(yong)(yong)一次性(xing)(xing)(xing)活(huo)性(xing)(xing)(xing)炭(tan)(tan)吸(xi)(xi)附(fu)技(ji)(ji)術的(de)(de),應(ying)定期更(geng)換活(huo)性(xing)(xing)(xing)炭(tan)(tan),廢(fei)舊活(huo)性(xing)(xing)(xing)炭(tan)(tan)應(ying)再生(sheng)(sheng)(sheng)或處(chu)理(li)處(chu)置(zhi)。有條件(jian)的(de)(de)工業(ye)(ye)園區和產(chan)業(ye)(ye)集(ji)(ji)群等(deng),推廣集(ji)(ji)中噴涂、溶(rong)劑(ji)集(ji)(ji)中回收(shou)(shou)(shou)、活(huo)性(xing)(xing)(xing)炭(tan)(tan)集(ji)(ji)中再生(sheng)(sheng)(sheng)等(deng),加(jia)強資(zi)源共享,提高(gao)(gao)VOCs治(zhi)(zhi)理(li)效率。


  規(gui)范(fan)(fan)(fan)工程設(she)計。采用吸附處理(li)工藝(yi)的,應滿(man)足《吸附法工業(ye)有(you)機廢氣治理(li)工程技術規(gui)范(fan)(fan)(fan)》要求。采用催(cui)(cui)化燃(ran)燒工藝(yi)的,應滿(man)足《催(cui)(cui)化燃(ran)燒法工業(ye)有(you)機廢氣治理(li)工程技術規(gui)范(fan)(fan)(fan)》要求。采用蓄熱(re)燃(ran)燒等其他處理(li)工藝(yi)的,應按相關技術規(gui)范(fan)(fan)(fan)要求設(she)計。


  實(shi)行(xing)重(zhong)(zhong)點排放(fang)源排放(fang)濃度與(yu)去除(chu)(chu)(chu)效(xiao)率雙重(zhong)(zhong)控制。車間或(huo)生產設施收集(ji)排放(fang)的廢氣(qi),VOCs初始排放(fang)速(su)率大于(yu)等(deng)于(yu)3千(qian)克(ke)/小時(shi)、重(zhong)(zhong)點區域大于(yu)等(deng)于(yu)2千(qian)克(ke)/小時(shi)的,應加大控制力度,除(chu)(chu)(chu)確保排放(fang)濃度穩定(ding)達標(biao)外,還應實(shi)行(xing)去除(chu)(chu)(chu)效(xiao)率控制,去除(chu)(chu)(chu)效(xiao)率不低于(yu)80%;采用的原輔(fu)材料符合國家有關低VOCs含(han)量產品規定(ding)的除(chu)(chu)(chu)外,有行(xing)業排放(fang)標(biao)準的按其(qi)相關規定(ding)執行(xing)。


  (四)深入實(shi)施精細(xi)化(hua)管控(kong)(kong)。各地應圍繞當地環境(jing)空氣質(zhi)量改(gai)善需求(qiu),根據O3、PM2.5來源(yuan)解析,結合(he)行業(ye)(ye)污(wu)(wu)染排(pai)放特征(zheng)和(he)VOCs物(wu)(wu)質(zhi)光化(hua)學反應活性(xing)等,確定本地區VOCs控(kong)(kong)制的重點(dian)行業(ye)(ye)和(he)重點(dian)污(wu)(wu)染物(wu)(wu),兼顧惡(e)臭污(wu)(wu)染物(wu)(wu)和(he)有(you)毒有(you)害物(wu)(wu)質(zhi)控(kong)(kong)制等,提出有(you)效(xiao)管控(kong)(kong)方案,提高VOCs治理的精準性(xing)、針對性(xing)和(he)有(you)效(xiao)性(xing)。全國重點(dian)控(kong)(kong)制的VOCs物(wu)(wu)質(zhi)見附件2。


  推(tui)行(xing)(xing)“一廠(chang)一策(ce)”制度。各(ge)(ge)地應(ying)加強對(dui)企(qi)業(ye)(ye)(ye)幫扶指(zhi)導,對(dui)本地污染物排(pai)放量較大的(de)(de)企(qi)業(ye)(ye)(ye),組(zu)織專家提供(gong)專業(ye)(ye)(ye)化技術(shu)(shu)支(zhi)持,嚴格把關,指(zhi)導企(qi)業(ye)(ye)(ye)編(bian)制切實可行(xing)(xing)的(de)(de)污染治(zhi)理方(fang)案,明確原輔材料(liao)替代、工藝改進、無組(zu)織排(pai)放管控、廢(fei)氣收(shou)集、治(zhi)污設施(shi)建設等全過程減排(pai)要(yao)求(qiu),測算投資成(cheng)本和減排(pai)效益(yi),為企(qi)業(ye)(ye)(ye)有(you)效開(kai)展(zhan)VOCs綜合治(zhi)理提供(gong)技術(shu)(shu)服務。重(zhong)點(dian)區域(yu)應(ying)組(zu)織本地VOCs排(pai)放量較大的(de)(de)企(qi)業(ye)(ye)(ye)開(kai)展(zhan)“一廠(chang)一策(ce)”方(fang)案編(bian)制工作,2020年6月底(di)前基本完成(cheng);適時開(kai)展(zhan)治(zhi)理效果(guo)后評估(gu)工作,各(ge)(ge)地出臺的(de)(de)補(bu)貼政策(ce)要(yao)與減排(pai)效果(guo)緊密掛鉤。鼓勵地方(fang)對(dui)重(zhong)點(dian)行(xing)(xing)業(ye)(ye)(ye)推(tui)行(xing)(xing)強制性清潔生產審核。


  加(jia)強(qiang)企(qi)業(ye)運行管理。企(qi)業(ye)應系(xi)統梳理VOCs排(pai)放主要環節(jie)和工序,包括啟停機、檢維修作業(ye)等,制定具(ju)(ju)體操(cao)作規程,落實到具(ju)(ju)體責任人。健全內(nei)部考(kao)核制度。加(jia)強(qiang)人員能力培訓和技術(shu)交流。建立(li)管理臺賬,記錄(lu)企(qi)業(ye)生產和治污設施運行的關(guan)(guan)鍵參數(見附件3),在線監控參數要確保能夠實時(shi)調取,相(xiang)關(guan)(guan)臺賬記錄(lu)至少保存三(san)年。


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