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上海武汉洁净车间的室内压差如何控制?

1 YACHAKONGZHIZAIWUCHENCHEJIANZHONGSHIYIGEFEICHANGZHONGYAODEHUANJIE。


ZHIYOUTONGGUODUIJINGHUAQUYUDEYACHAJINXINGKONGZHI,BAOZHENGHELIDEQILIUZUZHI,CAINENGDADAOJINGHUAHEGONGYIDEYAOQIU。LIRUJIEJINGCHANGFANGBIXUBAOCHIYIDINGDEZHENGYASHIWAIJIEWEIJINGJINGHUADEKONGQIBUHUIJINRENJINGHUAQUYU,BAOZHENGJIEJINGJIBIE;BINGQIETONGGUODUIGEJINGHUAQUYUDEBUTONGDEYACHAKONGZHI,DADAOJINGHUAFENQUDEZUOYONG,ZAIGMPZHONGJIUYAOQIUBUTONGJINGHUAJIBIEQUYUDEYACHAYINGDEDAOKONGZHIBUXIAOYU+5Pa。


ZAISHENGWUANQUANJIEJINGSHIZHONG,YACHAKONGZHIGENGSHIBAOZHENGANQUANFANGHUPINGZHANGDEGUANJIANZHIBIAO,ZAI《SHENGWUANQUANSHIYANSHIJIANZHUJISHUGUIFAN》ZHONGZHICHUBIXUSHISHIYANSHIDEFUYATIDUDEDAOWENDINGKEKAODEKONGZHI。YINCIDUIYUWUCHENCHEJIANLAISHUO,YACHAKONGZHISHIFEICHANGZHONGYAODE。


YACHAKONGZHIZAISHIXIANZHONGSHIBIJIAOKUNNAN,TEBIESHIZAISHENGWUANQUANSHIYANSHIZHONG,YAODEDAOBINGBAOCHIJINGQUE、WENDINGDEYACHADUIYUKONGZHIGONGCHENGSHIERYANJUEDUISHIYIJIANJUYOUTIAOZHANXINGDERENWU。YINCIZAISHEJIYACHAKONGZHIXITONGSHI,BIXUYAOGENJUSHIJIQINGKUANGCONGYIXIAJIGEFANGMIANJINXINGFENXIHEQUEDING:


①FENGXIANFENXIPINGGU;


②DINGFENGLIANGXITONGHEBIANFENGLIANGXITONGXUANZE;


③YACHAKONGZHIHEYUFENGLIANGKONGZHIFANGFA;


④KONGZHIXINHAOYUZAOSHENGDEYINGXIANG;


⑤ZHIWENDINGXINGJIXIANGYINGSUDU;


⑥JIANZHUJIEGOUDUIYACHAKONGZHIDEYINGXIANG;FENGGUANXIELOUDUIYALIKONGZHIDEYINGXIANG。


SHOUXIAN,BIXUDUIYACHAKONGZHIDEFENGXIANJINXINGFENXI,LIRUDUIYUGAODENGJIDESHENGWUANQUANSHIYANSHIERYAN,YINWEITAYOUSHENGWUWURANDEGAOFENGXIAN,GEZHONGXIANGGUANDEBIAOZHUNDOUDUIQIYOUBAOCHIWENDINGFUYATIDUFANGZHIWURANXIELOUDEYANGEYAOQIU,YINCIKONGZHIXITONGJIUBIXUNENGGOUWENDINGKEKAODESHIXIANZHEIYANGDEKONGZHIMUBIAO。


2 YACHAKONGZHIFANGFA


DUIYUYACHAKONGZHIXITONGLAISHUO,QISUODADAODEJIEGUOSHIZHISHANGSHIDUISHENRENHUOSHENCHUKONGQIDEKONGZHI,JIUQIKONGZHICELVEERYANKEFENWEIBEIDONGSHIHEZHUDONGSHIKONGZHI。


DINGFENGLIANG(CAV)SHIYIZHONGBEIDONGSHIDEKONGZHIFANGFA,TASHIYONGSHOUDONGFENGLIANGDIAOJIEFA,TONGGUOJIANDANDESONGFENGHEPAIFENGPINGHENG,SONGFENGBIPAIFENGSHAO(HUODUO)YIDINGDELIANG(YUFENGLIANG),LAIDADAOSUOQIWANGDEYACHA。ZAIXUANZEDINGFENGLIANGZHEIYANGDEKONGZHICELVESHIBIXURENZHENDEKAOLV,YINWEIDINGFENGLIANGXITONGYOUTUCHUDEJUXIANXING。


ZHUYAOYOUYIXIAJIDIAN:


(1)SUOYOUSHIJIAN,SHEBEIBIXUBAOCHIHENGDINGDESONGFENGLIANGHEPAIFENGLIANG。


(2)BUNENGYOURENHEPAIFENGSHEBEI(RUSHENGWUANQUANJUDENG)ZENGJIAHUOJIANSHAO,LINGHUOXINGCHA。WEILAIDEKUOZHANHUIYOUYUXITONGRONGLIANGXIANZHIERSHOUXIAN。


(3)BIXUANQUANFUHESHEJI,YAOYOUJIAODADEYULIANGLAIMIBUYOUYUGUOLVQIDENGZAOCHENGDESONGFENGHEPAIFENGXITONGXINGNENGDEXIAJIANG,LIANXUDEQUANFUHEYUNXINGSHINENGHAOJIDA,YINCIYUNXINGCHENGBENFEICHANGGAO。


(4)YOUYUFENGJIXITONG、GUOLVQIXITONGDENGXINGNENGXIAJIANGHUOFENGFAWEIZHIGAIBIANDENGQINGKUANGXIA,XITONGJINGCHANGYAOZHONGXINJINXINGFENGPINGHENGDIAOSHI,XUYAODALIANGDEWEIHU。


(5)YOUYUZAISUOYOUSHIJIANDOUSHIDAFENGLIANGYUNXING,ZAOYINHUIGUOGAO。YINCIRUGUOBUNENGJIESHOUYISHANGDEJUXIANXINGSHI,JIUBUYINGXUANQUZHEIYANGDEKONGZHICELVE。MUQIAN,TONGGUOZAISONGFENGGUANHEPAIFENGGUANSHANGCAIYONGYALIWUGUANXINGDEDINGFENGLIANGKONGZHIZHUANGZHI(RUWENQIULIFA)DEDINGFENGLIANGXITONG,ZAIYIDINGCHENGDUSHANGKEYIZHUDONGDE、DONGTAIDEDIAOJIELIULIANG,XIAOCHUXITONGJINGYABODONGZAOCHENGDEDUILIULIANGDEYINGXIANG,CONGERBAOZHENGLIULIANGDEHENGDINGHEKONGZHIDEWENDING。


BIANFENGLIANGXITONG(VAV)SHIYIZHONGZHUDONGSHIDEYALIKONGZHICELVE,TATONGGUODIANDONGFENGLIANGDIAOJIEFALIANXUBUDUANDEDUISONGFENGLIANGHUOPAIFENGLIANGJINXINGDIAOJIE,YIBAOCHIXIWANGDEYALI。ZHUDONGSHIDEVAVYALIKONGZHIFANGFAKEYIFENWEILIANGZHONG:CHUNYACHAKONGZHI(OP)HEYUFENGLIANG(YOUCHENGWEILIULIANGZHUIZONG)KONGZHI(AV).


2.1CHUNYACHAKONGZHIFANGFA


CHUNYACHAKONGZHIFANGFAXIANGDUIERYANJIANDANMINGLE,QIJIBENYUANLIRUTU1。QIKONGZHIYUANLIWEI:YACHACHUANGANQICELIANGSHINEIYUCANZHAOQUYUDEYACHA(OP),YUSHEDINGDIAN(JIQIWANGDEYACHA)BIJIAOHOU,KONGZHIQIGENJUPIANCHAANPIDDIAOJIESUANFADUISONGFENGLIANG(HUOPAIFENGLIANG)JINXINGKONGZHI,CONGERDADAOYAOQIUDEYACHA。KEYIKANCHU,SONGFENGLIANG(HUOPAIFENGLIANG)SHIYACHA(Δp)、SHEDINGDIANYIJIPIDCHANGSHU(α,β)DEHANSHU。


LINGWAIYIZHONGXIANGSIDEYACHAKONGZHIFANGFAZESHIGENJUBONULIYUANLI,LIYONGYIGEZHUANGZAIXIAOGUANNEIDEFENGSUTANTOU,JIANGXIAOGUANZHIYUJIEJINGSHIYUCANZHAOQUZHIJIANDEKAIKONGZHONG,YOUYUJIEJINGSHINEIYUCANZHAOQUDEYALICHAJIANGSHIKONGQICONGCIXIAOGUANZHONGLIUGUO,GUANZHONGDEFENGSUTANTOUJIUKECHUANGANJIEJINGSHINEIYUCANZHAOQUZHIJIANDEKONGQILIUSU,CONGERGENJUBONULIYUANLILIYONGFENGSUJISUANCHUJIEJINGSHIYUCANZHAOQUDEYACHA,GENJUCIYACHAXINHAO,ANZHAOSHANGSHUDEFANGFA,KONGZHIQIDUIJIEJINGSHIDESONGFENGHUOPAIFENGLIANGJINXINGKONGZHI,DADAOSUOQIWANGDEYACHAZHI,ZHEIYANGDEFANGFACHENGWEI“WEIYACHA”KONGZHIFANGFA。


2.2YUFENGLIANG(QILIUZHUIZONG)KONGZHIFANGFA


JIEJINGSHIDESONGFENGLIANGYUPAIFENGLIANGZHIJIANBAOCHIYIDINGDEFENGLIANGCHA(CHENGWEIYUFENGLIANG),BIRANHUIDAOZHIJIEJINGSHICHANSHENGYIDINGDEYACHA。YUFENGLIANG(QILIUZHUIZONG)KONGZHIJIKONGZHIXITONGSHISHICELIANGFENGLIANG(SONGFENGHEPAIFENGLIANG)BIANHUA,TONGGUODIAOJIESONGFENGLIANGHUOPAIFENGLIANG,DONGTAIDEDADAOXIANGYINGDEFENGLIANGPINGHENG,SHISONGFENGLIANGHEPAIFENGLIANGZHIJIANBAOCHIHENGDINGDEFENGLIANGCHA,CONGERWEICHIHENGDINGDEYACHA。


QIJIBENYUANLIJIANTU2,KONGZHIXITONGLIYONGQILIUCELIANGZHUANGZHISHISHICELIANGSONGFENGLIANGHEPAIFENGLIANG,PAIFENGLIANGKEYIZAIPAIFENGZHUGUANSHANGCELIANG,HUORUTUZHONGZAIGEGEDANDUDEPAIFENGSHANGJINXINGCELIANGBINGQIUHE,KONGZHIQIJUCIDIAOJIESONGFENGLIANG,SHIQIZHUIZONGPAIFENGLIANGDEBIANHUA,BAOCHIYIDINGDEYUFENGLIANG,CONGERDADAOSUOXIWANGDEYACHAZHI。KEYIKANCHUYUFENGLIANGKONGZHISHIYIGEKAIHUANKONGZHIXITONG。


ZAIZHEILI,YUFENGLIANGJIUSHIDADAOSUOXIWANGYACHASHISHENRENHUOSHENCHUJIEJINGSHIDEKONGQILIULIANG(DANWEIWEICFM )。FUDEYUFENGLIANGJIZONGPAIFENGLIANGDAYUZONGSONGFENGLIANG,TAJIANGDAOZHIFUYADECHANSHENG,ERZHENGDEYUFENGLIANGZESHIZONGSONGFENGLIANGDAYUZONGPAIFENGLIANG,TAJIANGDAOZHIZHENGYACHANSHENG。



SHANGSHUDELIANGZHONGYACHAKONGZHIFANGFA,ZAISHIJIYUNYONGZHONGDOUBIXUANZHAOYUDINGDEPINLVJINXINGYANZHENG。LIRUDUIYUFENGLIANGKONGZHI,MEIBANNIANJIUYINGGAIJINXINGDUISHEDINGDEYUFENGLIANGJINXINGXIAOZHENG。