凈化工程在四大應用領域的特點分析
凈(jing)(jing)化(hua)(hua)工(gong)(gong)(gong)程(cheng)應用范圍(wei)較(jiao)廣的(de)四大(da)領域主要是指:電(dian)子(zi)工(gong)(gong)(gong)廠、制(zhi)藥廠、手術室、生物(wu)安(an)全實驗室,不(bu)同領域凈(jing)(jing)化(hua)(hua)控(kong)(kong)制(zhi)系(xi)統要求各不(bu)相同,同時這(zhe)些領域控(kong)(kong)制(zhi)標準可廣泛(fan)應用于其他行業,如電(dian)子(zi)工(gong)(gong)(gong)廠凈(jing)(jing)化(hua)(hua)工(gong)(gong)(gong)程(cheng)的(de)控(kong)(kong)制(zhi)系(xi)統可用于PCB生產車間、電(dian)器、注塑車間等。四大(da)領域凈(jing)(jing)化(hua)(hua)工(gong)(gong)(gong)程(cheng)的(de)控(kong)(kong)制(zhi)特(te)點(dian)有以下不(bu)同:
電(dian)子工廠(chang)潔凈度(du)直(zhi)接(jie)影響到電(dian)子產品的質量(liang),采用一(yi)次送風(feng)(feng)、二次送風(feng)(feng)系統,大量(liang)使用FFU風(feng)(feng)機過濾(lv)機組層層凈化(hua)空氣(qi),達到更衣室8級凈化(hua)、走廊走道7級、生產車間(jian)6級,局部需(xu)要(yao)5級或4級之間(jian),在(zai)工程完工后(hou)需(xu)要(yao)靜(jing)態驗(yan)收。
制(zhi)(zhi)藥廠凈(jing)(jing)化工(gong)(gong)程控(kong)制(zhi)(zhi)三個目標分(fen)別是(shi)(shi)潔(jie)(jie)凈(jing)(jing)度,氣閘室廣泛使用(yong)六(liu)級標準,控(kong)制(zhi)(zhi)潔(jie)(jie)凈(jing)(jing)室內無交叉污染;CFU是(shi)(shi)指潔(jie)(jie)凈(jing)(jing)室內活菌個數;工(gong)(gong)程需(xu)要(yao)獲得國家GMP認證;完成(cheng)了這(zhe)三個目標才能是(shi)(shi)一項(xiang)合格的凈(jing)(jing)化工(gong)(gong)程項(xiang)目,工(gong)(gong)程系統需(xu)用(yong)值班風(feng)機局部5極,由藥檢局動態(tai)監(jian)控(kong),靜態(tai)驗收后使用(yong)。
手(shou)術室凈化工程(cheng)控制較為嚴(yan)格,采用MAU+AHU系統(tong),送風天花3m*3m,上千級凈化級別(bie),驗收標準為靜態驗收,動態驗收溫(wen)度、濕(shi)度、CFU。通常情(qing)況下患者在做手(shou)術時感染率(lv)為25%,根據統(tong)計(ji)目前手(shou)術感染率(lv)達10%-15%,許多醫院以日常手(shou)術感染率(lv)為考核手(shou)術室凈化工程(cheng)的優良(liang)指(zhi)標。
生物(wu)安(an)全(quan)(quan)實驗(yan)(yan)室(shi)凈化(hua)工程控制特(te)點我國已制訂相(xiang)關安(an)全(quan)(quan)條(tiao)令,工程凈化(hua)設備選用生物(wu)安(an)全(quan)(quan)隔離服(fu)、 獨(du)立(li)供氧系統,廢(fei)液、廢(fei)氣(qi)統一凈化(hua)通過嚴(yan)密(mi)性試驗(yan)(yan)后處理(li)(li),采(cai)用密(mi)閉隔離器,負壓二級(ji)屏障(zhang)系統,保(bao)障(zhang)人身(shen)安(an)全(quan)(quan),并制訂好(hao)完善(shan)的(de)生物(wu)安(an)全(quan)(quan)實驗(yan)(yan)室(shi)凈化(hua)管(guan)理(li)(li)條(tiao)令。