微孔曝氣器尺寸(cun):Φ215mm,Φ260mm,Φ300mm
服(fu)務面積:0.25-0.55m2/個(ge)(ge),0.35-0.75m2/個(ge)(ge)
曝氣膜片運行平均孔隙(xi):80-100微米
空(kong)氣流量:1.5-3m3/個h
氧(yang)總轉移系數:kla(20℃)0.204-0.337min-1
氧利用(yong)率(lv):(水深3.2m)18.4-27.7%
充氧能(neng)力(li):0.112-0.185KgO2/m3h
充(chong)氧動力效(xiao)率:4.46-5.19KgO2/kwh
曝(pu)氣阻力(li):180-280mmH2O
空氣管設計應(ying)考慮壓力平衡,聯成環狀網,每組進(jin)氣管應(ying)設置閥門,便于調節(jie)空氣量。空氣管設計流(liu)速(su):干(gan)管為10-15米/秒;支(zhi)管為5米/秒。曝氣器(qi)表面距池底安裝高(gao)度:270mm、250mm,推(tui)板式為200mm。
3安(an)裝
曝(pu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)裝置(zhi)(zhi)由曝(pu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)、布(bu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)管道(dao)、三通(tong)(tong)、四通(tong)(tong)、彎頭、調節器(qi)(qi)、連(lian)接(jie)(jie)件、清除(chu)(chu)裝置(zhi)(zhi)等(deng)組成。布(bu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)管道(dao)按(an)通(tong)(tong)常(chang)的環形(xing)布(bu)置(zhi)(zhi),曝(pu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)按(an)供氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)量和(he)池形(xing)布(bu)置(zhi)(zhi)密(mi)度,曝(pu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)和(he)布(bu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)管道(dao)的連(lian)接(jie)(jie)采用G3/4螺(luo)(luo)紋(wen)(wen)連(lian)接(jie)(jie),底座為(wei)(wei)內螺(luo)(luo)紋(wen)(wen)(固(gu)定(ding)于布(bu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)管道(dao)上)曝(pu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)為(wei)(wei)外螺(luo)(luo)紋(wen)(wen),安裝時(shi)先把調節器(qi)(qi)按(an)所需尺(chi)寸用膨(peng)脹螺(luo)(luo)栓固(gu)定(ding)在池底,然(ran)后用抱箍把布(bu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)管道(dao)固(gu)定(ding)在調節器(qi)(qi)上,為(wei)(wei)防(fang)止其它(ta)作業(ye)如電焊火(huo)花和(he)土建(jian)時(shi),混凝土等(deng)重物 損壞曝(pu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)裝置(zhi)(zhi),必須等(deng)土建(jian)工程結束后在放水(shui)前把曝(pu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)裝上,為(wei)(wei)防(fang)止管道(dao)和(he)連(lian)接(jie)(jie)部分漏氣(qi)(qi)(qi)(qi)(qi)(qi)(qi),應(ying)放水(shui)超過曝(pu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)10cm左右底深度試(shi)漏,然(ran)后通(tong)(tong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)如發現有管道(dao)連(lian)接(jie)(jie)部分漏氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)應(ying)及時(shi)排除(chu)(chu),然(ran)后正式投運。