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。
qidongchenjiaodiefakongzhixieliaodejiliangdouzhinenganzhuangzaishuijiliangdoushangfang,waijiajizhijiexierushuizhonghuozheanzhuangzaijiaobanguantideshangfang,waijiajizhijiexierujiaobanguantinei(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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