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板框壓濾機(jī)壓緊、進(jìn)料、洗滌或干燥、卸料操作

時(shí)間:2019-04-04 10:26:44 點(diǎn)擊:0

  板框壓濾機(jī)壓緊、進(jìn)料、洗滌或干燥、卸料操作詳細(xì)講解。正如大家所了解的,板框壓濾機(jī)的過濾面積大,流量大,適用范圍大,所以在制藥、化工、食品等行業(yè)有廣泛用途,應(yīng)用在制藥廠針劑藥液之過濾,效果甚佳。那么板框壓濾機(jī)工作的四部曲你了解嗎?下面就為大家介紹一下板框壓濾機(jī)工作的四部曲。

 
 
  現(xiàn)在板框壓濾機(jī)設(shè)備在工作運(yùn)行時(shí),都會(huì)經(jīng)歷壓緊、進(jìn)料、洗滌或干燥、卸料等四個(gè)步驟。簡(jiǎn)稱板框壓濾機(jī)工作四部曲。
 
  1.壓緊
 
  板框壓濾機(jī)事先對(duì)整機(jī)檢查,包括濾布、電源是否正常,注意要打開排出閥。在按下“啟動(dòng)”按鈕。這時(shí)油泵開始工作,然后活塞推動(dòng)壓緊板壓緊,當(dāng)慮室的壓力達(dá)到設(shè)計(jì)點(diǎn)時(shí),液壓器就會(huì)自動(dòng)暫停工作。當(dāng)隨后的工作中,壓力減小,不能滿足正常工作時(shí),液壓系統(tǒng)會(huì)自動(dòng)開啟。
 
  2.進(jìn)料
 
  當(dāng)板框壓濾機(jī)壓緊后,即可進(jìn)行進(jìn)料操作:開啟進(jìn)料泵,并緩慢開啟進(jìn)料閥門,進(jìn)料壓力逐漸升高至正常壓力。這時(shí)觀察板框壓濾機(jī)出液情況和濾板間的滲漏情況,過濾一段時(shí)間后板框壓濾機(jī)出液孔出液量逐漸減少,這時(shí)說明濾室內(nèi)濾渣正在逐漸充滿,當(dāng)出液口不出液或只有很少量液體時(shí),證明濾室內(nèi)濾渣已經(jīng)完全充滿形成濾餅。如需要對(duì)濾餅進(jìn)洗滌或風(fēng)干操作,即可隨后進(jìn)行,如不需要洗滌或風(fēng)干操作即可進(jìn)行卸餅操作。
 
  3.洗滌或風(fēng)干
 
  板框壓濾機(jī)濾餅充滿后,關(guān)停進(jìn)料泵和進(jìn)料閥門。開起洗滌泵或空壓機(jī),緩慢開啟進(jìn)洗液或進(jìn)風(fēng)閥門,對(duì)濾餅進(jìn)行洗滌或風(fēng)干。操作完成后,關(guān)閉洗液泵或空壓機(jī)及其閥門,即可進(jìn)行卸餅操作。
 
  4.卸餅
 
  這過程是先關(guān)閉進(jìn)料閥,進(jìn)風(fēng)道,然后板框壓濾機(jī)推板就會(huì)緩慢的退回,減小對(duì)濾板的壓力,甚至?xí)S著活塞桿退回到適當(dāng)額度位置,在取出一塊一塊的濾板,將慮餅從濾板卸下,在卸除過程中,注意對(duì)濾布的保護(hù),防止濾渣夾在密封面上影響密封性能,產(chǎn)生滲漏現(xiàn)象。現(xiàn)在板框壓濾機(jī)設(shè)備有人工卸料和自動(dòng)卸料兩種方式。
 
  這四步是板框壓濾機(jī)工作的不可少的,但由于科技的發(fā)展,有時(shí)過濾和吹風(fēng)干燥是同時(shí)進(jìn)行的,所以有的設(shè)備不會(huì)逐步進(jìn)行,從而提高效率。
 
  The plate and frame filter press is pressed, fed, washed or dried, and the unloading operation is explained in detail. As we all know, the plate and frame filter press has a large filtration area, a large flow rate, and a wide application range. Therefore, it has a wide range of applications in the pharmaceutical, chemical, food and other industries, and is applied to the filtration of pharmaceutical injections in pharmaceutical factories, and the effect is very good. So what do you know about the four-part work of the plate and frame filter press? Here is a brief introduction to the four songs of the plate and frame filter press.
 
  Now, the frame and frame filter press equipment will undergo four steps of pressing, feeding, washing or drying, and unloading during operation. Referred to as the plate frame filter press work four songs.
 
  Press tight
 
  The plate and frame filter press checks the whole machine in advance, including the filter cloth and the power supply. Pay attention to open the discharge valve. Press the "Start" button. At this point, the oil pump starts to work, then the piston pushes the compression plate to compress, and when the pressure of the chamber reaches the design point, the hydraulic device automatically stops working. In the subsequent work, when the pressure is reduced and the normal operation is not satisfied, the hydraulic system will automatically open.
 
  2. Feeding
 
  When the plate and frame filter press is pressed, the feeding operation can be performed: the feed pump is turned on, and the feed valve is slowly opened, and the feed pressure is gradually increased to the normal pressure. At this time, observe the liquid out of the plate filter press and the leakage between the filter plates. After filtering for a period of time, the liquid output from the filter press of the plate frame filter is gradually reduced. At this time, the filter residue in the filter chamber is gradually filling up. When the liquid port is not discharged or there is only a small amount of liquid, it is proved that the filter residue in the filter chamber is completely filled to form a filter cake. If the filter cake needs to be washed or air-dried, it can be carried out subsequently, and the unloading operation can be carried out without washing or air drying.
 
  3. Wash or air dry
 
  After the plate filter press filter is full, the feed pump and feed valve are closed. Open the washing pump or air compressor, slowly open the washing liquid or air inlet valve, and wash or air dry the filter cake. After the operation is completed, the washing machine or the air compressor and its valves are closed, and the unloading operation can be performed.
 
  4. Unloading cake
 
  This process is to close the feed valve, enter the air duct, and then the plate frame filter press will slowly retract, reduce the pressure on the filter plate, and even take the piston rod back to the appropriate amount of position, take out a piece A filter plate removes the cake from the filter plate. During the removal process, pay attention to the protection of the filter cloth to prevent the filter residue from being caught on the sealing surface to affect the sealing performance and cause leakage. Now the frame and frame filter press equipment has two methods: manual unloading and automatic unloading.
 
  These four steps are indispensable for the operation of the plate and frame filter press, but due to the development of technology, sometimes the filtration and the blowing and drying are carried out at the same time, so some equipment will not be gradually carried out, thereby improving the efficiency.
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