◆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)列平板離心(xin)(xin)機(ji)是一種(zhong)全(quan)自動(dong)控(kong)(kong)(kong)制的(de)(de)立式刮(gua)刀(dao)卸(xie)(xie)料(liao)(liao)(liao)離心(xin)(xin)機(ji),在電(dian)氣控(kong)(kong)(kong)制下,轉(zhuan)鼓(gu)(gu)啟動(dong)達(da)到(dao)(dao)(dao)進(jin)(jin)(jin)(jin)料(liao)(liao)(liao)速(su)度后(hou),控(kong)(kong)(kong)制系(xi)統(tong)打(da)開進(jin)(jin)(jin)(jin)料(liao)(liao)(liao)閥,被(bei)處理懸(xuan)浮液從(cong)進(jin)(jin)(jin)(jin)料(liao)(liao)(liao)管進(jin)(jin)(jin)(jin)入(ru)(ru)(ru)轉(zhuan)鼓(gu)(gu)。在轉(zhuan)鼓(gu)(gu)高速(su)旋轉(zhuan)產生的(de)(de)強大離心(xin)(xin)機(ji)作用下,進(jin)(jin)(jin)(jin)入(ru)(ru)(ru)轉(zhuan)鼓(gu)(gu)內的(de)(de)懸(xuan)浮液被(bei)均勻布于(yu)轉(zhuan)鼓(gu)(gu)內壁的(de)(de)過(guo)濾介質上(shang)(shang),成(cheng)空心(xin)(xin)圓柱狀。液相通過(guo)過(guo)濾介質和(he)轉(zhuan)鼓(gu)(gu)上(shang)(shang)的(de)(de)許多小孔(kong)被(bei)甩出(chu)(chu)轉(zhuan)鼓(gu)(gu)外,由(you)機(ji)殼內壁和(he)底盤搜集,從(cong)出(chu)(chu)液管排除,而固(gu)相粒(li)子則被(bei)留在過(guo)濾介質上(shang)(shang)。當進(jin)(jin)(jin)(jin)料(liao)(liao)(liao)量(liang)達(da)到(dao)(dao)(dao)設定(ding)值,由(you)料(liao)(liao)(liao)層控(kong)(kong)(kong)制器(或(huo)進(jin)(jin)(jin)(jin)料(liao)(liao)(liao)時間)向控(kong)(kong)(kong)制系(xi)統(tong)發出(chu)(chu)信(xin)號,關(guan)閉進(jin)(jin)(jin)(jin)料(liao)(liao)(liao)閥門。同時,根據工(gong)藝(yi)需(xu)要可對物(wu)(wu)料(liao)(liao)(liao)進(jin)(jin)(jin)(jin)行(xing)洗滌,洗滌達(da)到(dao)(dao)(dao)要求后(hou),在脫水速(su)度下進(jin)(jin)(jin)(jin)行(xing)二(er)次(ci)脫水。處理物(wu)(wu)料(liao)(liao)(liao)達(da)到(dao)(dao)(dao)分離要求,控(kong)(kong)(kong)制系(xi)統(tong)控(kong)(kong)(kong)制主電(dian)機(ji)將回轉(zhuan)體的(de)(de)轉(zhuan)速(su)降到(dao)(dao)(dao)卸(xie)(xie)料(liao)(liao)(liao)速(su)度,卸(xie)(xie)料(liao)(liao)(liao)機(ji)構(gou)采用窄刮(gua)刀(dao),先由(you)旋轉(zhuan)缸驅動(dong)徑向刮(gua)料(liao)(liao)(liao),到(dao)(dao)(dao)位后(hou)停留一下,在軸向行(xing)程卸(xie)(xie)料(liao)(liao)(liao),下降到(dao)(dao)(dao)位刮(gua)刀(dao)下轉(zhuan)鼓(gu)(gu)上(shang)(shang)的(de)(de)物(wu)(wu)料(liao)(liao)(liao)。固(gu)相顆粒(li)通過(guo)刮(gua)刀(dao)卸(xie)(xie)料(liao)(liao)(liao)借助重力經過(guo)轉(zhuan)鼓(gu)(gu)底的(de)(de)卸(xie)(xie)料(liao)(liao)(liao)口從(cong)基座底部(bu)排除。機(ji)器完(wan)成(cheng)一個工(gong)作循(xun)環,在控(kong)(kong)(kong)制系(xi)統(tong)(PLC)的(de)(de)控(kong)(kong)(kong)制下進(jin)(jin)(jin)(jin)入(ru)(ru)(ru)到(dao)(dao)(dao)下一個工(gong)作循(xun)環。