215、260、300微(wei)孔(kong)曝氣器安裝調(diao)試(shi)注意事項
服務面積:0.25-0.55m2/個(ge),0.35-0.75m2/個(ge)
曝氣頭(tou)膜片運行平均(jun)孔隙(xi):80-100微米
空氣流量:1.5-3m3/個(ge)h
氧(yang)總(zong)轉移系數:kla(20℃)0.204-0.337min-1
氧利用率(lv):(水深3.2m)18.4-27.7%
充氧能力:0.112-0.185KgO2/m3h
充氧動(dong)力效率:4.46-5.19KgO2/kwh
215、260、300微孔曝氣器安裝調試現場基本信(xin)息
空(kong)氣(qi)管(guan)設計(ji)應(ying)考慮壓力平(ping)衡(heng),聯(lian)成環狀網(wang),每組進氣(qi)管(guan)應(ying)設置閥(fa)門,便于(yu)調節空(kong)氣(qi)量。空(kong)氣(qi)管(guan)設計(ji)流速:干(gan)管(guan)為(wei)10-15米(mi)/秒;支(zhi)管(guan)為(wei)5米(mi)/秒。表面距(ju)池(chi)底(di)安裝高度:270mm、250mm,推板式為(wei)200mm。
215、260、300微孔曝氣器安裝調試現場注意事項;
,曝氣裝置由(you)、布(bu)氣(qi)(qi)(qi)(qi)(qi)(qi)管(guan)道(dao)、三通(tong)、四通(tong)、彎(wan)頭、調節(jie)支架、連(lian)接件(jian)、清(qing)除(chu)裝置等組成。布(bu)氣(qi)(qi)(qi)(qi)(qi)(qi)管(guan)道(dao)按通(tong)常(chang)的(de)環形布(bu)置,曝(pu)氣(qi)(qi)(qi)(qi)(qi)(qi)裝置按供氣(qi)(qi)(qi)(qi)(qi)(qi)量和(he)池形布(bu)置密度,曝(pu)氣(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)和(he)布(bu)氣(qi)(qi)(qi)(qi)(qi)(qi)管(guan)道(dao)的(de)連(lian)接采用G3/4螺紋(wen)連(lian)接,底(di)座為內螺紋(wen)(固定(ding)于布(bu)氣(qi)(qi)(qi)(qi)(qi)(qi)管(guan)道(dao)上(shang))曝(pu)氣(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)為外(wai)螺紋(wen),安(an)裝時(shi)(shi)先把(ba)調節(jie)器(qi)(qi)按所(suo)需尺寸用膨脹螺栓固定(ding)在池底(di),然后(hou)(hou)用抱箍(gu)把(ba)布(bu)氣(qi)(qi)(qi)(qi)(qi)(qi)管(guan)道(dao)固定(ding)在調節(jie)器(qi)(qi)上(shang),為防(fang)止其它(ta)作業如電焊火花和(he)土(tu)建時(shi)(shi),混凝土(tu)等重物 損壞曝(pu)氣(qi)(qi)(qi)(qi)(qi)(qi)裝置,必須等土(tu)建工程(cheng)結束后(hou)(hou)在放水(shui)前(qian)把(ba)曝(pu)氣(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)裝上(shang),為防(fang)止管(guan)道(dao)和(he)連(lian)接部分漏(lou)氣(qi)(qi)(qi)(qi)(qi)(qi),應(ying)放水(shui)超(chao)過曝(pu)氣(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)10cm左右底(di)深度試漏(lou),然后(hou)(hou)通(tong)氣(qi)(qi)(qi)(qi)(qi)(qi)如發現有管(guan)道(dao)連(lian)接部分漏(lou)氣(qi)(qi)(qi)(qi)(qi)(qi)應(ying)及時(shi)(shi)排除(chu),然后(hou)(hou)正式投運。