曝氣(qi)器安裝:Φ215mm,Φ260mm,Φ300mm
服(fu)務(wu)面積:0.25-0.55m2/個,0.35-0.75m2/個
曝(pu)氣(qi)膜片運行平均孔隙:80-100微米(mi)
空(kong)氣流量:1.5-3m3/個(ge)h
氧總轉移系數(shu):kla(20℃)0.204-0.337min-1
氧利用(yong)率:(水深(shen)3.2m)18.4-27.7%
充(chong)氧能力:0.112-0.185KgO2/m3h
充氧動力(li)效率:4.46-5.19KgO2/kwh
曝(pu)氣阻力:180-280mmH2O
空(kong)(kong)氣(qi)管(guan)(guan)設計應(ying)考慮(lv)壓(ya)力平衡(heng),聯成環狀網(wang),每組進氣(qi)管(guan)(guan)應(ying)設置閥(fa)門,便于調節空(kong)(kong)氣(qi)量(liang)。空(kong)(kong)氣(qi)管(guan)(guan)設計流速:干(gan)管(guan)(guan)為(wei)(wei)10-15米/秒(miao);支管(guan)(guan)為(wei)(wei)5米/秒(miao)。表面(mian)距池底安裝高度:270mm、250mm,推板式為(wei)(wei)200mm。
曝氣器安裝;
裝(zhuang)置(zhi)由、布(bu)(bu)氣(qi)(qi)(qi)(qi)管(guan)道(dao)、三通(tong)、四通(tong)、彎頭(tou)、調(diao)節支架、連(lian)接件、清(qing)除(chu)裝(zhuang)置(zhi)等組成。布(bu)(bu)氣(qi)(qi)(qi)(qi)管(guan)道(dao)按(an)通(tong)常的環形布(bu)(bu)置(zhi),曝(pu)(pu)氣(qi)(qi)(qi)(qi)裝(zhuang)置(zhi)按(an)供氣(qi)(qi)(qi)(qi)量(liang)和(he)(he)(he)池(chi)形布(bu)(bu)置(zhi)密度(du),曝(pu)(pu)氣(qi)(qi)(qi)(qi)器(qi)(qi)(qi)和(he)(he)(he)布(bu)(bu)氣(qi)(qi)(qi)(qi)管(guan)道(dao)的連(lian)接采用G3/4螺紋連(lian)接,底座為(wei)內螺紋(固(gu)定于布(bu)(bu)氣(qi)(qi)(qi)(qi)管(guan)道(dao)上)曝(pu)(pu)氣(qi)(qi)(qi)(qi)器(qi)(qi)(qi)為(wei)外(wai)螺紋,安(an)裝(zhuang)時(shi)(shi)先把調(diao)節器(qi)(qi)(qi)按(an)所需尺(chi)寸用膨脹螺栓固(gu)定在池(chi)底,然后(hou)用抱箍把布(bu)(bu)氣(qi)(qi)(qi)(qi)管(guan)道(dao)固(gu)定在調(diao)節器(qi)(qi)(qi)上,為(wei)防(fang)止其它(ta)作(zuo)業如(ru)電焊火花和(he)(he)(he)土建(jian)時(shi)(shi),混凝土等重物 損壞曝(pu)(pu)氣(qi)(qi)(qi)(qi)裝(zhuang)置(zhi),必須等土建(jian)工(gong)程結束后(hou)在放水(shui)前把曝(pu)(pu)氣(qi)(qi)(qi)(qi)器(qi)(qi)(qi)裝(zhuang)上,為(wei)防(fang)止管(guan)道(dao)和(he)(he)(he)連(lian)接部分漏(lou)氣(qi)(qi)(qi)(qi),應放水(shui)超過曝(pu)(pu)氣(qi)(qi)(qi)(qi)器(qi)(qi)(qi)10cm左右底深度(du)試漏(lou),然后(hou)通(tong)氣(qi)(qi)(qi)(qi)如(ru)發現(xian)有管(guan)道(dao)連(lian)接部分漏(lou)氣(qi)(qi)(qi)(qi)應及時(shi)(shi)排除(chu),然后(hou)正式投運。