環保工(gong)程:一(yi)級(ji)處理(li)的(de)(de)任務是從廢水(shui)中去(qu)除(chu)(chu)呈懸浮(fu)狀態的(de)(de)固體污染物。為此,多采用物理(li)處理(li)法。一(yi)般經過(guo)一(yi)級(ji)處理(li)后,懸浮(fu)固體的(de)(de)去(qu)除(chu)(chu)率(lv)為70%~80%,而生化(hua)需氧量(BOD)的(de)(de)去(qu)除(chu)(chu)率(lv)只(zhi)有25%~40%左右,廢水(shui)的(de)(de)凈化(hua)程度不高。
更新時間:2024-01-03
廠商性質:生(sheng)產廠家
實(shi)驗(yan)室(shi)供給水(shui)管(guan)(guan)(guan)道(dao)需(xu)合理布置,便于(yu)管(guan)(guan)(guan)道(dao)的維(wei)(wei)護。內(nei)(nei)部管(guan)(guan)(guan)道(dao)線盡可(ke)能(neng)地短,橫(heng)平豎直,同時避免交叉,以(yi)使供排(pai)水(shui)更加安全、可(ke)靠。普通實(shi)驗(yan)室(shi)管(guan)(guan)(guan)道(dao)通常是沿著走廊、墻(qiang)壁、柱子、天花等位(wei)置,明管(guan)(guan)(guan)布置,便于(yu)觀察,但明裝(zhuang)易積累灰塵。因此,一(yi)些要求較高實(shi)驗(yan)室(shi)中會選擇暗裝(zhuang),管(guan)(guan)(guan)道(dao)敷設在(zai)(zai)地下室(shi)、管(guan)(guan)(guan)溝或公用走廊內(nei)(nei)部。所(suo)有的暗設管(guan)(guan)(guan)道(dao)都應該在(zai)(zai)控制閥門的位(wei)置設置相應的檢修(xiu)孔,以(yi)方便故障(zhang)維(wei)(wei)修(xiu)
更新時間:2024-01-03
廠商性質:生產廠家
實驗(yan)室(shi)通(tong)風(feng)系統(tong)(tong)(tong)的(de)(de)特(te)點主要是通(tong)過實驗(yan)室(shi)通(tong)風(feng)和空調系統(tong)(tong)(tong)的(de)(de)優化設計,保證空調通(tong)風(feng)系統(tong)(tong)(tong)的(de)(de)安全、舒適、節(jie)能運(yun)行(xing)為前提,各(ge)類(lei)檢(jian)測研究實驗(yan)室(shi),及其(qi)他輔助用房的(de)(de)通(tong)風(feng)系統(tong)(tong)(tong),并(bing)針(zhen)對不(bu)同(tong)系統(tong)(tong)(tong)進(jin)行(xing)分析和討論。
更新時間:2024-01-03
廠商性質:生(sheng)產廠家