攪拌干燥機的物料停留時間可調性
依托變(bian)頻調速(su)與變(bian)螺距槳葉組合,廣東(dong)紅寶機械攪(jiao)拌(ban)干(gan)(gan)燥機實現物料(liao)停留(liu)時間(jian)5-120分(fen)(fen)鐘(zhong)(zhong)(zhong)無級可(ke)調,調節精(jing)度±2%。設(she)備通過(guo)(guo)PLC控制系統同(tong)步調整主軸(zhou)轉速(su)(5-50rpm)與出料(liao)堰板(ban)高度(0-150mm),在(zai)處理(li)聚氯乙烯樹脂時,停留(liu)時間(jian)從30分(fen)(fen)鐘(zhong)(zhong)(zhong)縮短至(zhi)15分(fen)(fen)鐘(zhong)(zhong)(zhong),產能提升(sheng)至(zhi)800kg/h;處理(li)高含水率污(wu)泥(ni)(85%)時延(yan)長(chang)至(zhi)90分(fen)(fen)鐘(zhong)(zhong)(zhong),確(que)保終含水率≤10%。針對間(jian)歇式(shi)生(sheng)產,設(she)備支(zhi)持批(pi)次模(mo)式(shi)與連續(xu)模(mo)式(shi)一鍵切換,在(zai)醫藥中間(jian)體干(gan)(gan)燥中,通過(guo)(guo)設(she)定(ding)“梯度停留(liu)”程(cheng)序(xu)(前30分(fen)(fen)鐘(zhong)(zhong)(zhong)攪(jiao)拌(ban)轉速(su)10rpm,后30分(fen)(fen)鐘(zhong)(zhong)(zhong)25rpm),使物料(liao)干(gan)(gan)燥均(jun)勻度提升(sheng)40%,批(pi)次間(jian)含水率偏差(cha)≤0.3%,滿足(zu)精(jing)細(xi)化工(gong)藝需求。