微(wei)孔EPDM散氣盤尺(chi)寸有(you):Φ215mm,Φ260mm,Φ300mm規格型(xing)號(hao)
服(fu)務(wu)面(mian)積(ji):0.25-0.55m2/個,0.35-0.75m2/個
曝氣膜片運行(xing)平(ping)均孔隙:80-100微米
空氣流量:1.5-3m3/個h
氧總轉(zhuan)移系數(shu):kla(20℃)0.204-0.337min-1
氧利用率:(水深3.2m)18.4-27.7%
充氧能力:0.112-0.185KgO2/m3h
充氧動力(li)效率:4.46-5.19KgO2/kwh
曝氣阻(zu)力:180-280mmH2O
空(kong)氣管(guan)設(she)計應(ying)考慮壓力(li)平衡,聯成環(huan)狀網,每組進(jin)氣管(guan)應(ying)設(she)置閥(fa)門(men),便于(yu)調節空(kong)氣量。空(kong)氣管(guan)設(she)計流速:干管(guan)為(wei)10-15米/秒(miao)(miao);支管(guan)為(wei)5米/秒(miao)(miao)。散氣盤表(biao)面距池底安裝高度:270mm、250mm,推板式為(wei)200mm。
安裝;
微孔EPDM散氣(qi)(qi)(qi)盤(pan)(pan),由散氣(qi)(qi)(qi)盤(pan)(pan)、布氣(qi)(qi)(qi)管(guan)(guan)道(dao)、三通(tong)、四通(tong)、彎頭(tou)、調節器、連(lian)接(jie)(jie)件(jian)、清除裝置(zhi)等組成。布氣(qi)(qi)(qi)管(guan)(guan)道(dao)按(an)通(tong)常的環形(xing)(xing)布置(zhi),曝氣(qi)(qi)(qi)盤(pan)(pan)按(an)供氣(qi)(qi)(qi)量(liang)和池形(xing)(xing)布置(zhi)密(mi)度(du)(du),和布氣(qi)(qi)(qi)管(guan)(guan)道(dao)的連(lian)接(jie)(jie)采(cai)用G3/4螺(luo)紋連(lian)接(jie)(jie),底座為(wei)(wei)內(nei)螺(luo)紋(固定于布氣(qi)(qi)(qi)管(guan)(guan)道(dao)上(shang))為(wei)(wei)外(wai)螺(luo)紋,安裝時(shi)先把(ba)調節器按(an)所需(xu)尺寸用膨脹螺(luo)栓固定在(zai)池底,然(ran)后用抱箍把(ba)布氣(qi)(qi)(qi)管(guan)(guan)道(dao)固定在(zai)調節器上(shang),為(wei)(wei)防止(zhi)其它作業如電焊(han)火(huo)花和土建時(shi),混凝土等重(zhong)物 損壞(huai)曝氣(qi)(qi)(qi)裝置(zhi),必須等土建工(gong)程結束后在(zai)放水前(qian)把(ba)曝氣(qi)(qi)(qi)盤(pan)(pan)裝上(shang),為(wei)(wei)防止(zhi)管(guan)(guan)道(dao)和連(lian)接(jie)(jie)部分(fen)漏(lou)(lou)氣(qi)(qi)(qi),應(ying)放水超過(guo)10cm左(zuo)右底深度(du)(du)試漏(lou)(lou),然(ran)后通(tong)氣(qi)(qi)(qi)如發(fa)現有管(guan)(guan)道(dao)連(lian)接(jie)(jie)部分(fen)漏(lou)(lou)氣(qi)(qi)(qi)應(ying)及(ji)時(shi)排(pai)除,然(ran)后正式投運。