215、260、300微孔曝氣器安裝調試注意事項
服(fu)務面積:0.25-0.55m2/個,0.35-0.75m2/個
曝(pu)氣頭膜片運行平均孔隙:80-100微米(mi)
空氣流量:1.5-3m3/個h
氧總轉移系數:kla(20℃)0.204-0.337min-1
氧(yang)利用率(lv):(水深3.2m)18.4-27.7%
充氧能力:0.112-0.185KgO2/m3h
充氧動力效率:4.46-5.19KgO2/kwh
215、260、300微孔曝氣器安裝調試現場基(ji)本信息
空(kong)氣(qi)管(guan)(guan)設計應考慮壓力平衡,聯(lian)成環狀網(wang),每組進(jin)氣(qi)管(guan)(guan)應設置閥門,便于調節空(kong)氣(qi)量。空(kong)氣(qi)管(guan)(guan)設計流速:干(gan)管(guan)(guan)為(wei)10-15米/秒;支管(guan)(guan)為(wei)5米/秒。表面距池底安裝高度:270mm、250mm,推板式(shi)為(wei)200mm。
215、260、300微孔曝氣器安裝調試現場注意事項;
,曝氣裝置(zhi)(zhi)由(you)、布(bu)氣(qi)(qi)(qi)管(guan)(guan)(guan)道(dao)、三通(tong)、四通(tong)、彎頭、調節(jie)支架、連接(jie)(jie)件(jian)、清除裝置(zhi)(zhi)等(deng)組成。布(bu)氣(qi)(qi)(qi)管(guan)(guan)(guan)道(dao)按通(tong)常的(de)環(huan)形(xing)布(bu)置(zhi)(zhi),曝氣(qi)(qi)(qi)裝置(zhi)(zhi)按供(gong)氣(qi)(qi)(qi)量和池形(xing)布(bu)置(zhi)(zhi)密度,曝氣(qi)(qi)(qi)器(qi)(qi)和布(bu)氣(qi)(qi)(qi)管(guan)(guan)(guan)道(dao)的(de)連接(jie)(jie)采用G3/4螺紋連接(jie)(jie),底(di)座為內螺紋(固定(ding)于(yu)布(bu)氣(qi)(qi)(qi)管(guan)(guan)(guan)道(dao)上)曝氣(qi)(qi)(qi)器(qi)(qi)為外螺紋,安裝時先(xian)把(ba)調節(jie)器(qi)(qi)按所需尺寸用膨脹螺栓固定(ding)在(zai)池底(di),然(ran)后用抱箍把(ba)布(bu)氣(qi)(qi)(qi)管(guan)(guan)(guan)道(dao)固定(ding)在(zai)調節(jie)器(qi)(qi)上,為防止其它(ta)作業如(ru)電焊火花和土建(jian)時,混凝土等(deng)重物(wu) 損壞(huai)曝氣(qi)(qi)(qi)裝置(zhi)(zhi),必須等(deng)土建(jian)工(gong)程結(jie)束后在(zai)放(fang)水前把(ba)曝氣(qi)(qi)(qi)器(qi)(qi)裝上,為防止管(guan)(guan)(guan)道(dao)和連接(jie)(jie)部(bu)分漏氣(qi)(qi)(qi),應放(fang)水超過曝氣(qi)(qi)(qi)器(qi)(qi)10cm左右底(di)深(shen)度試漏,然(ran)后通(tong)氣(qi)(qi)(qi)如(ru)發現有管(guan)(guan)(guan)道(dao)連接(jie)(jie)部(bu)分漏氣(qi)(qi)(qi)應及時排除,然(ran)后正式投(tou)運。