外(wai)加(jia)劑(ji)係(xi)統(tong)由(you)外(wai)加(jia)劑(ji)儲(chu)料(liao)倉(cang),管(guan)路(lu),外(wai)加(jia)劑(ji)計(ji)量(liang)鬥(dou)組(zu)成(cheng)。外(wai)加(jia)劑(ji)計(ji)量(liang)鬥(dou)的(de)卸(xie)料(liao)形(xing)式(shi)有(you)氣(qi)動(dong)襯(chen)膠(jiao)蝶(die)閥(fa)控(kong)製(zhi)卸(xie)料(liao)和(he)氣(qi)動(dong)襯(chen)膠(jiao)蝶(die)閥(fa)加(jia)水(shui)泵(beng)控(kong)製(zhi)卸(xie)料(liao)兩(liang)種形式。
氣qi動dong襯chen膠jiao蝶die閥fa控kong製zhi卸xie料liao的de計ji量liang鬥dou隻zhi能neng安an裝zhuang在zai水shui計ji量liang鬥dou上shang方fang,外wai加jia劑ji直zhi接jie卸xie入ru水shui中zhong或huo者zhe安an裝zhuang在zai攪jiao拌ban罐guan體ti的de上shang方fang,外wai加jia劑ji直zhi接jie卸xie入ru攪jiao拌ban罐guan體ti內nei(外加劑直接卸入攪拌罐體內,這種形式外加劑不易攪拌均勻,通常不采用)。
優點:qidongchenjiaodiefakongzhixieliao,zhezhongxingshi,zhixuyaoqidongchenjiaodiefakongzhixieliao,buyongshuibeng,nengweiyonghujianxiaonenghao,houqiweixiuzhizhenduiqidongchenjiaodiefajike。waijiajixierushuizhong,rongrushuihouzaixierujiaobanzhujineizaijiaobanguochengzhongnenggengkuaigenghaodejiaobanjunyun。
缺點:外加劑計量鬥的安裝位置受限製,隻能安裝在水鬥上方,同時外加劑計量鬥的高度會限製粉料螺旋的布置;氣動襯膠蝶閥+水泵控製卸料的計量鬥可以安裝在主樓計量層或主樓攪拌層,外加劑可以卸入水中再進攪拌主機,也可以直接卸入攪拌主機。
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