◆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(ban)離(li)心機(ji)(ji)是一(yi)(yi)種(zhong)全(quan)自動(dong)控(kong)(kong)制(zhi)(zhi)(zhi)的(de)(de)(de)(de)立式刮(gua)刀卸料(liao)(liao)(liao)離(li)心機(ji)(ji),在(zai)電氣(qi)控(kong)(kong)制(zhi)(zhi)(zhi)下(xia),轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)鼓(gu)(gu)(gu)啟動(dong)達(da)到進(jin)(jin)(jin)料(liao)(liao)(liao)速(su)度后,控(kong)(kong)制(zhi)(zhi)(zhi)系(xi)統(tong)(tong)打開進(jin)(jin)(jin)料(liao)(liao)(liao)閥,被(bei)(bei)處理懸(xuan)浮(fu)液從(cong)進(jin)(jin)(jin)料(liao)(liao)(liao)管(guan)進(jin)(jin)(jin)入(ru)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)鼓(gu)(gu)(gu)。在(zai)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)鼓(gu)(gu)(gu)高(gao)速(su)旋轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)產生的(de)(de)(de)(de)強大離(li)心機(ji)(ji)作(zuo)用下(xia),進(jin)(jin)(jin)入(ru)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)鼓(gu)(gu)(gu)內(nei)的(de)(de)(de)(de)懸(xuan)浮(fu)液被(bei)(bei)均(jun)勻(yun)布于轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)鼓(gu)(gu)(gu)內(nei)壁的(de)(de)(de)(de)過(guo)(guo)(guo)濾介質(zhi)上,成空心圓柱(zhu)狀。液相通過(guo)(guo)(guo)過(guo)(guo)(guo)濾介質(zhi)和轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)鼓(gu)(gu)(gu)上的(de)(de)(de)(de)許多(duo)小孔(kong)被(bei)(bei)甩出轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)鼓(gu)(gu)(gu)外(wai),由機(ji)(ji)殼內(nei)壁和底盤搜集(ji),從(cong)出液管(guan)排除(chu),而固(gu)相粒子則(ze)被(bei)(bei)留(liu)在(zai)過(guo)(guo)(guo)濾介質(zhi)上。當進(jin)(jin)(jin)料(liao)(liao)(liao)量(liang)達(da)到設定值,由料(liao)(liao)(liao)層(ceng)控(kong)(kong)制(zhi)(zhi)(zhi)器(或進(jin)(jin)(jin)料(liao)(liao)(liao)時間)向控(kong)(kong)制(zhi)(zhi)(zhi)系(xi)統(tong)(tong)發出信號,關閉進(jin)(jin)(jin)料(liao)(liao)(liao)閥門。同(tong)時,根據(ju)工(gong)藝需要(yao)可對(dui)物料(liao)(liao)(liao)進(jin)(jin)(jin)行(xing)(xing)洗(xi)滌,洗(xi)滌達(da)到要(yao)求(qiu)(qiu)后,在(zai)脫(tuo)水速(su)度下(xia)進(jin)(jin)(jin)行(xing)(xing)二次脫(tuo)水。處理物料(liao)(liao)(liao)達(da)到分離(li)要(yao)求(qiu)(qiu),控(kong)(kong)制(zhi)(zhi)(zhi)系(xi)統(tong)(tong)控(kong)(kong)制(zhi)(zhi)(zhi)主電機(ji)(ji)將回(hui)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)體(ti)的(de)(de)(de)(de)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)速(su)降(jiang)到卸料(liao)(liao)(liao)速(su)度,卸料(liao)(liao)(liao)機(ji)(ji)構(gou)采用窄刮(gua)刀,先(xian)由旋轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)缸驅動(dong)徑向刮(gua)料(liao)(liao)(liao),到位(wei)后停留(liu)一(yi)(yi)下(xia),在(zai)軸向行(xing)(xing)程卸料(liao)(liao)(liao),下(xia)降(jiang)到位(wei)刮(gua)刀下(xia)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)鼓(gu)(gu)(gu)上的(de)(de)(de)(de)物料(liao)(liao)(liao)。固(gu)相顆粒通過(guo)(guo)(guo)刮(gua)刀卸料(liao)(liao)(liao)借助重力經過(guo)(guo)(guo)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)鼓(gu)(gu)(gu)底的(de)(de)(de)(de)卸料(liao)(liao)(liao)口從(cong)基座底部排除(chu)。機(ji)(ji)器完成一(yi)(yi)個工(gong)作(zuo)循環(huan),在(zai)控(kong)(kong)制(zhi)(zhi)(zhi)系(xi)統(tong)(tong)(PLC)的(de)(de)(de)(de)控(kong)(kong)制(zhi)(zhi)(zhi)下(xia)進(jin)(jin)(jin)入(ru)到下(xia)一(yi)(yi)個工(gong)作(zuo)循環(huan)。