TRICON 9761-210小丸包衣制粒機(jī)體系構(gòu)成如圖1所示。小丸包衣制粒機(jī)是專門(mén)用于試驗(yàn)室或車間小批量出產(chǎn)的。藥粉或相似的物料能在流化床中進(jìn)行單調(diào)、制粒以及包衣等進(jìn)程。流化床物料容器底部裝有篩網(wǎng),藥粉或小丸顆粒等相似的物料被盛放在篩網(wǎng)上?;顒?dòng)的空氣經(jīng)過(guò)濾處理后經(jīng)容器底部的篩網(wǎng)向上流過(guò),當(dāng)流速抵達(dá)必定速度時(shí),顆粒(藥粉)就會(huì)被空氣托起,床內(nèi)粒子就初步流化起來(lái),構(gòu)成流化床。流化床內(nèi)的顆粒(藥粉)在容器中劇烈攪動(dòng),并延伸到容器的拓寬區(qū),纖細(xì)的粉末或纖細(xì)的顆粒則被粘附在袋式過(guò)濾器上。為了避免袋式過(guò)濾器的堵塞,操控濾袋升降的氣缸會(huì)有一個(gè)間歇的顫抖操控??諝饨?jīng)過(guò)袋式過(guò)濾器、操控風(fēng)量巨細(xì)的風(fēng)門(mén)和風(fēng)道被風(fēng)機(jī)引出室外的大氣中。在這個(gè)進(jìn)程中,流化床容器內(nèi)的微粒能徹底充沛的與空氣流觸摸,而且攪動(dòng)劇烈,因而可以極好的完畢充沛單調(diào),出色制粒,精巧包衣等制藥進(jìn)程。
圖1 小丸包衣制粒機(jī)體系構(gòu)成
3 體系首要操控懇求
小丸包衣制粒機(jī)操作的根柢操控懇求包含五個(gè)方面。
TRICON 9761-210 商品溫度操控
經(jīng)過(guò)操控進(jìn)風(fēng)溫度來(lái)操控商品溫度。進(jìn)風(fēng)溫度操控精度為±3℃,商品溫度操控精度為±2℃。
(2) 進(jìn)風(fēng)風(fēng)量的操控
操控精度為±40m3/h。
(3) 霧化壓力的操控
即噴液設(shè)備噴發(fā)壓力的操控,操控精度為±0.1bar。
(4) 密封壓力的操控
商品容器有必要與拓寬倉(cāng)密封,構(gòu)成一個(gè)密閉的流化床反響器。選用油壓設(shè)備進(jìn)行密封,密封壓力在35-70bar之間。
(5) 濾袋的顫抖操控
顫抖有單濾袋顫抖和雙濾袋顫抖,有手動(dòng)抖袋和主動(dòng)抖袋。
4.1在滿意操控懇求的條件下,操控體系硬件設(shè)備的挑選應(yīng)當(dāng)尋求最好的功用報(bào)價(jià)比。因?yàn)樵摍C(jī)器的運(yùn)用頻率不高,均勻每月一次,一同環(huán)境出色,因而選用PC+PLC的操控計(jì)劃。當(dāng)機(jī)器不必時(shí),PC機(jī)可作它用。換句話說(shuō),運(yùn)用共用PC機(jī)即可作人機(jī)界面。
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