微孔曝氣器(qi)尺寸(cun)有(you):Φ215mm,Φ260mm,Φ300mm規格(ge)型號
服務面積(ji):0.25-0.55m2/個(ge),0.35-0.75m2/個(ge)
曝氣膜片運行平均孔隙(xi):80-100微米
空氣流(liu)量:1.5-3m3/個h
氧總(zong)轉移系數:kla(20℃)0.204-0.337min-1
氧利用率:(水深3.2m)18.4-27.7%
充氧能力(li):0.112-0.185KgO2/m3h
充氧動力效率:4.46-5.19KgO2/kwh
曝氣阻力:180-280mmH2O
空(kong)(kong)氣(qi)管設(she)計(ji)應考(kao)慮壓力平衡,聯成環狀(zhuang)網,每組進氣(qi)管應設(she)置(zhi)閥門(men),便于調節空(kong)(kong)氣(qi) 量。空(kong)(kong)氣(qi)管設(she)計(ji)流速:干管為10-15米(mi)/秒;支管為5米(mi)/秒。曝(pu)氣(qi)器表面(mian)距池底安裝高度: 270mm、250mm,推(tui)板式為200mm。
安裝(zhuang);
微孔曝氣(qi)(qi)(qi)(qi)(qi)(qi)器(qi),由曝氣(qi)(qi)(qi)(qi)(qi)(qi)器(qi)、布(bu)(bu)(bu)氣(qi)(qi)(qi)(qi)(qi)(qi)管(guan)(guan)道(dao)(dao)、三通(tong)、四通(tong)、彎頭(tou)、調(diao)節器(qi)、連(lian)(lian)接(jie)件、清(qing)除(chu)裝(zhuang)(zhuang)置等(deng)組成。布(bu)(bu)(bu)氣(qi)(qi)(qi)(qi)(qi)(qi)管(guan)(guan)道(dao)(dao)按通(tong)常的(de)環形布(bu)(bu)(bu)置,曝氣(qi)(qi)(qi)(qi)(qi)(qi)器(qi)按供氣(qi)(qi)(qi)(qi)(qi)(qi)量和(he)池(chi)形布(bu)(bu)(bu)置密度,曝氣(qi)(qi)(qi)(qi)(qi)(qi)器(qi)和(he)布(bu)(bu)(bu)氣(qi)(qi)(qi)(qi)(qi)(qi)管(guan)(guan)道(dao)(dao)的(de)連(lian)(lian)接(jie)采用G3/4螺紋連(lian)(lian)接(jie),底(di)座為內螺紋(固定(ding)于布(bu)(bu)(bu)氣(qi)(qi)(qi)(qi)(qi)(qi)管(guan)(guan)道(dao)(dao)上(shang))曝氣(qi)(qi)(qi)(qi)(qi)(qi)器(qi)為外螺紋,安裝(zhuang)(zhuang)時(shi)先把(ba)調(diao)節器(qi)按所(suo)需尺寸用膨脹螺栓固定(ding)在池(chi)底(di),然(ran)后用抱箍把(ba)布(bu)(bu)(bu)氣(qi)(qi)(qi)(qi)(qi)(qi)管(guan)(guan)道(dao)(dao)固定(ding)在調(diao)節器(qi)上(shang),為防(fang)止其它作業如電焊火(huo)花和(he)土建(jian)時(shi),混凝(ning)土等(deng)重(zhong)物(wu) 損壞(huai)曝氣(qi)(qi)(qi)(qi)(qi)(qi)裝(zhuang)(zhuang)置,必須等(deng)土建(jian)工程結束后在放水前把(ba)曝氣(qi)(qi)(qi)(qi)(qi)(qi)器(qi)裝(zhuang)(zhuang)上(shang),為防(fang)止管(guan)(guan)道(dao)(dao)和(he)連(lian)(lian)接(jie)部(bu)分(fen)漏氣(qi)(qi)(qi)(qi)(qi)(qi),應放水超過(guo)曝氣(qi)(qi)(qi)(qi)(qi)(qi)器(qi)10cm左右底(di)深(shen)度試漏,然(ran)后通(tong)氣(qi)(qi)(qi)(qi)(qi)(qi)如發現有管(guan)(guan)道(dao)(dao)連(lian)(lian)接(jie)部(bu)分(fen)漏氣(qi)(qi)(qi)(qi)(qi)(qi)應及時(shi)排(pai)除(chu),然(ran)后正式投運。