◆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)(xi)列平板(ban)離(li)心機(ji)是(shi)一種全(quan)自動控(kong)(kong)(kong)(kong)制的(de)立式刮(gua)(gua)(gua)刀卸料(liao)(liao)(liao)(liao)離(li)心機(ji),在電氣控(kong)(kong)(kong)(kong)制下(xia)(xia),轉(zhuan)(zhuan)鼓(gu)(gu)啟動達(da)(da)到進(jin)(jin)(jin)料(liao)(liao)(liao)(liao)速度(du)(du)后,控(kong)(kong)(kong)(kong)制系(xi)(xi)統打開(kai)進(jin)(jin)(jin)料(liao)(liao)(liao)(liao)閥,被(bei)處(chu)理懸(xuan)(xuan)浮液(ye)從(cong)進(jin)(jin)(jin)料(liao)(liao)(liao)(liao)管(guan)進(jin)(jin)(jin)入(ru)轉(zhuan)(zhuan)鼓(gu)(gu)。在轉(zhuan)(zhuan)鼓(gu)(gu)高速旋轉(zhuan)(zhuan)產生的(de)強大離(li)心機(ji)作用下(xia)(xia),進(jin)(jin)(jin)入(ru)轉(zhuan)(zhuan)鼓(gu)(gu)內(nei)的(de)懸(xuan)(xuan)浮液(ye)被(bei)均勻布于轉(zhuan)(zhuan)鼓(gu)(gu)內(nei)壁(bi)的(de)過濾(lv)介質上,成空心圓柱狀。液(ye)相(xiang)通過過濾(lv)介質和轉(zhuan)(zhuan)鼓(gu)(gu)上的(de)許多小(xiao)孔被(bei)甩出轉(zhuan)(zhuan)鼓(gu)(gu)外,由機(ji)殼內(nei)壁(bi)和底盤搜集(ji),從(cong)出液(ye)管(guan)排(pai)除,而固相(xiang)粒(li)子則被(bei)留在過濾(lv)介質上。當進(jin)(jin)(jin)料(liao)(liao)(liao)(liao)量(liang)達(da)(da)到設(she)定(ding)值,由料(liao)(liao)(liao)(liao)層控(kong)(kong)(kong)(kong)制器(或進(jin)(jin)(jin)料(liao)(liao)(liao)(liao)時間)向(xiang)控(kong)(kong)(kong)(kong)制系(xi)(xi)統發出信號,關閉進(jin)(jin)(jin)料(liao)(liao)(liao)(liao)閥門。同時,根據工(gong)藝需要可對物(wu)料(liao)(liao)(liao)(liao)進(jin)(jin)(jin)行洗滌,洗滌達(da)(da)到要求后,在脫(tuo)水(shui)速度(du)(du)下(xia)(xia)進(jin)(jin)(jin)行二次脫(tuo)水(shui)。處(chu)理物(wu)料(liao)(liao)(liao)(liao)達(da)(da)到分離(li)要求,控(kong)(kong)(kong)(kong)制系(xi)(xi)統控(kong)(kong)(kong)(kong)制主電機(ji)將回轉(zhuan)(zhuan)體的(de)轉(zhuan)(zhuan)速降(jiang)到卸料(liao)(liao)(liao)(liao)速度(du)(du),卸料(liao)(liao)(liao)(liao)機(ji)構采用窄刮(gua)(gua)(gua)刀,先(xian)由旋轉(zhuan)(zhuan)缸驅(qu)動徑向(xiang)刮(gua)(gua)(gua)料(liao)(liao)(liao)(liao),到位后停留一下(xia)(xia),在軸向(xiang)行程卸料(liao)(liao)(liao)(liao),下(xia)(xia)降(jiang)到位刮(gua)(gua)(gua)刀下(xia)(xia)轉(zhuan)(zhuan)鼓(gu)(gu)上的(de)物(wu)料(liao)(liao)(liao)(liao)。固相(xiang)顆粒(li)通過刮(gua)(gua)(gua)刀卸料(liao)(liao)(liao)(liao)借助(zhu)重力經過轉(zhuan)(zhuan)鼓(gu)(gu)底的(de)卸料(liao)(liao)(liao)(liao)口從(cong)基座底部(bu)排(pai)除。機(ji)器完成一個(ge)工(gong)作循環,在控(kong)(kong)(kong)(kong)制系(xi)(xi)統(PLC)的(de)控(kong)(kong)(kong)(kong)制下(xia)(xia)進(jin)(jin)(jin)入(ru)到下(xia)(xia)一個(ge)工(gong)作循環。




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