將藥材投入提取罐內，加藥材的5～10倍的溶媒如水、乙醇、甲醇、丙酮等(據工藝要求)。開啟提取罐直通和夾套蒸汽閥門，使提取液加熱至沸騰20～30分鐘后，用抽濾管將1/3提取液抽入濃縮器。關閉提取罐直通和夾套蒸汽、開啟加熱器閥門使液料進行濃縮。濃縮時產生二次蒸汽，通過蒸發器上升管送入提取罐作提取的熱源和溶液，維持提取罐內沸騰。

分(fen)(fen)次(ci)蒸(zheng)氣(qi)(qi)(qi)立(li)即(ji)增漲，經加熱(re)水劑器加熱(re)水劑成(cheng)(cheng)(cheng)熱(re)加熱(re)水劑液，下滑到生(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)罐(guan)(guan)里(li)作(zuo)新石(shi)油(you)(you)(you)醚(mi)(mi)加到藥(yao)(yao)上，新石(shi)油(you)(you)(you)醚(mi)(mi)由上而下公(gong)路可(ke)以通(tong)(tong)過(guo)中(zhong)(zhong)(zhong)(zhong)中(zhong)(zhong)(zhong)(zhong)草(cao)藥(yao)(yao)層到生(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)罐(guan)(guan)上端,中(zhong)(zhong)(zhong)(zhong)中(zhong)(zhong)(zhong)(zhong)草(cao)藥(yao)(yao)中(zhong)(zhong)(zhong)(zhong)的(de)(de)可(ke)可(ke)溶(rong)性有郊(jiao)含(han)量水解于生(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)罐(guan)(guan)里(li)石(shi)油(you)(you)(you)醚(mi)(mi)。生(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)液經抽(chou)濾管抽(chou)入(ru)精濃(nong)(nong)器、精濃(nong)(nong)生(sheng)(sheng)(sheng)產的(de)(de)分(fen)(fen)次(ci)蒸(zheng)氣(qi)(qi)(qi)又送貨到生(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)罐(guan)(guan)作(zuo)電(dian)熱(re)鍋爐和(he)(he)新石(shi)油(you)(you)(you)醚(mi)(mi)，也許成(cheng)(cheng)(cheng)型的(de)(de)新石(shi)油(you)(you)(you)醚(mi)(mi)大(da)吸附生(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)，故中(zhong)(zhong)(zhong)(zhong)中(zhong)(zhong)(zhong)(zhong)草(cao)藥(yao)(yao)中(zhong)(zhong)(zhong)(zhong)溶(rong)質(zhi)體積(ji)容(rong)重(zhong)與石(shi)油(you)(you)(you)醚(mi)(mi)中(zhong)(zhong)(zhong)(zhong)含(han)溶(rong)質(zhi)體積(ji)容(rong)重(zhong)實現高等度(du)，中(zhong)(zhong)(zhong)(zhong)中(zhong)(zhong)(zhong)(zhong)草(cao)藥(yao)(yao)中(zhong)(zhong)(zhong)(zhong)的(de)(de)溶(rong)質(zhi)公(gong)路浸提(ti)度(du)，直(zhi)到完全(quan)性浸提(ti)度(du)(生(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)液透明(ming)色(se))，倘若，生(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)液暫停抽(chou)入(ru)精濃(nong)(nong)器，精濃(nong)(nong)的(de)(de)分(fen)(fen)次(ci)蒸(zheng)氣(qi)(qi)(qi)轉送加熱(re)器，精濃(nong)(nong)立(li)即(ji)進(jin)行，直(zhi)到精濃(nong)(nong)成(cheng)(cheng)(cheng)需要百分(fen)(fen)比(1.2～1.34)的(de)(de)乳膏，排出被用。生(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)罐(guan)(guan)里(li)的(de)(de)透明(ming)色(se)液體，可(ke)倒出貯罐(guan)(guan)作(zuo)下批復文件(jian)用，藥(yao)(yao)渣(zha)從出渣(zha)門排掉(diao)，如果是用有機物石(shi)油(you)(you)(you)醚(mi)(mi)生(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)，則先(xian)加通(tong)(tong)常的(de)(de)水，開直(zhi)通(tong)(tong)式和(he)(he)夾(jia)套蒸(zheng)氣(qi)(qi)(qi)，收(shou)集石(shi)油(you)(you)(you)醚(mi)(mi)后，將渣(zha)排掉(diao)。

中藥提取設備：