◆結構與工作原理
PGZ系列平板式離心機為間隙式周期性工作方式的離心機。它在可編程序的控制下,由電氣系統自動完成工作周期。可實現多次進料、多次洗滌、多次脫水的要求。采用變頻調速電機,及其各階段轉速可根據需要進行任意調節。其工序和時間可通過調整程序而隨意調整,工作程序分為七個工序:1.轉鼓啟動;2.進料;3.脫水;4.洗料5.二次脫水;6.轉鼓制動至低速;7.卸料,以達到最佳工作效率。
PGZ系(xi)列平板離(li)心(xin)(xin)(xin)機(ji)是一(yi)(yi)(yi)種(zhong)全自動控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)的(de)立式刮刀卸(xie)(xie)(xie)料(liao)(liao)離(li)心(xin)(xin)(xin)機(ji),在電氣(qi)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)下(xia)(xia)(xia),轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)鼓(gu)(gu)(gu)(gu)啟動達到(dao)(dao)進(jin)(jin)(jin)料(liao)(liao)速(su)度(du)后(hou),控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)系(xi)統(tong)打開進(jin)(jin)(jin)料(liao)(liao)閥,被處理懸浮液(ye)(ye)從進(jin)(jin)(jin)料(liao)(liao)管(guan)進(jin)(jin)(jin)入轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)鼓(gu)(gu)(gu)(gu)。在轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)鼓(gu)(gu)(gu)(gu)高速(su)旋轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)產生的(de)強(qiang)大離(li)心(xin)(xin)(xin)機(ji)作用下(xia)(xia)(xia),進(jin)(jin)(jin)入轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)鼓(gu)(gu)(gu)(gu)內的(de)懸浮液(ye)(ye)被均勻布于轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)鼓(gu)(gu)(gu)(gu)內壁的(de)過(guo)(guo)濾介質上,成(cheng)空心(xin)(xin)(xin)圓柱狀。液(ye)(ye)相(xiang)通(tong)過(guo)(guo)過(guo)(guo)濾介質和轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)鼓(gu)(gu)(gu)(gu)上的(de)許多小孔被甩出轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)鼓(gu)(gu)(gu)(gu)外,由(you)機(ji)殼(ke)內壁和底(di)(di)盤(pan)搜(sou)集,從出液(ye)(ye)管(guan)排除,而固相(xiang)粒(li)子則被留在過(guo)(guo)濾介質上。當進(jin)(jin)(jin)料(liao)(liao)量達到(dao)(dao)設定值,由(you)料(liao)(liao)層控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)器(或進(jin)(jin)(jin)料(liao)(liao)時間)向(xiang)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)系(xi)統(tong)發(fa)出信號,關閉進(jin)(jin)(jin)料(liao)(liao)閥門(men)。同時,根據工藝(yi)需(xu)要可對(dui)物料(liao)(liao)進(jin)(jin)(jin)行(xing)洗滌(di),洗滌(di)達到(dao)(dao)要求后(hou),在脫水(shui)速(su)度(du)下(xia)(xia)(xia)進(jin)(jin)(jin)行(xing)二次脫水(shui)。處理物料(liao)(liao)達到(dao)(dao)分(fen)離(li)要求,控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)系(xi)統(tong)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)主(zhu)電機(ji)將回(hui)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)體的(de)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)速(su)降(jiang)到(dao)(dao)卸(xie)(xie)(xie)料(liao)(liao)速(su)度(du),卸(xie)(xie)(xie)料(liao)(liao)機(ji)構采(cai)用窄刮刀,先由(you)旋轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)缸驅動徑向(xiang)刮料(liao)(liao),到(dao)(dao)位后(hou)停留一(yi)(yi)(yi)下(xia)(xia)(xia),在軸向(xiang)行(xing)程卸(xie)(xie)(xie)料(liao)(liao),下(xia)(xia)(xia)降(jiang)到(dao)(dao)位刮刀下(xia)(xia)(xia)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)鼓(gu)(gu)(gu)(gu)上的(de)物料(liao)(liao)。固相(xiang)顆粒(li)通(tong)過(guo)(guo)刮刀卸(xie)(xie)(xie)料(liao)(liao)借助重(zhong)力經過(guo)(guo)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)鼓(gu)(gu)(gu)(gu)底(di)(di)的(de)卸(xie)(xie)(xie)料(liao)(liao)口從基座底(di)(di)部排除。機(ji)器完成(cheng)一(yi)(yi)(yi)個工作循環(huan),在控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)系(xi)統(tong)(PLC)的(de)控(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)下(xia)(xia)(xia)進(jin)(jin)(jin)入到(dao)(dao)下(xia)(xia)(xia)一(yi)(yi)(yi)個工作循環(huan)。




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