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          行業資訊 公司動態

          袋式過濾器操作步驟

          2019-11-21

          袋式過濾器操作步驟
           
           
          結構及工作原理
           
          袋式過濾器是一種壓力式過濾裝置,主要由過濾筒體、過濾筒蓋和快開機構、不銹鋼濾袋加強網等主要部件組成,濾液由過濾機外殼的旁側入口管流入濾袋,濾袋本身是裝置在加強網籃內,液體滲透過所需要細度等級的濾袋即能獲得合格的濾液,雜質顆粒被濾袋攔截。該機更換濾袋十分方便,過濾基本無物料消耗。
           
          袋式過濾器具備構造合理、密封性好、流通才能強、操作簡便等諸多長處。尤其是濾袋側漏機率小,能正確地保障過濾精度,并能快捷地改換濾袋,使得操作成本下降。濾器內外表面采取機械噴砂拋光解決,平均、易清洗。
           
          袋式過濾器所采取的過濾方法是側進側出的方法,也可以采取側進底出的方法,通過管道中的壓力將過濾液體介質壓入或抽入袋式過濾器桶體,要過濾的液體介質經由電拋光沖孔支持濾藍承托的過濾袋的過濾,發生變化的固液分別到達液體介質被過濾的結果。
           
          袋式過濾器的結構設計是由四套搖錘式環首螺栓將頂蓋和濾筒密封鎖緊,使過濾器更能承受極高的過濾壓力和水錘式的壓力沖擊。袋式過濾器由濾筒,過濾網籃,過濾袋三部分組成,結構緊湊簡單;要過濾的液體經過濾器的進口進入,流進過濾袋,經過濾袋的攔截后,由過濾器的出口流出。
           
          袋式過濾器的進出口設計一般采用側進底出方式,方便清洗。
           
          主要優點
           
          1)濾袋側漏機率小,有力地保證了過濾品質。
           
          2)袋式過濾可承載更大的工作壓力,壓損小,運行費用低,節能效果明顯。
           
          3)濾袋過濾精度不斷提高,已達到0.5μm。
           
          4)袋式過濾處理量大、體積小,容污量大。
           
          5)基于袋式過濾系統的工作原理和結構,更換濾袋時方便快捷,而且過濾機免清洗,省工省時。
           
          6)過濾器濾袋清洗后可反復使用、節約成本。
           
          7)袋式過濾應用范圍廣,使用靈活,安裝方式多樣。
           
          袋式過濾器操作
           
          袋式過濾器操作簡單,使用時只需將所需要細度等級的濾袋安裝在濾筒內,檢查O型密封圈是否完好,然后旋緊濾筒蓋環形螺栓,即可投入工作。
           
          泵啟動后,過濾機上壓力表微微上升,初始壓力約0.05MPa左右,隨著使用時間的延長,缸內濾渣逐漸增多,當壓力達到0.4MPa時,應停機打開筒蓋,檢查濾機袋留渣情況,可更換濾袋繼續使用(濾袋通過清洗一般可重復使用)。
           
          袋式過濾器壓力一般調在0.1-0.3MPa比較合適,可通過回流管路或泵上回流閥來調節,過濾壓力過高會損壞濾袋以及保護網,需格外注意。
          Operation procedure of bag filter
           
           
           
           
           
          Structure and working principle
           
           
           
          Bag filter is a kind of pressure type filter unit, mainly by filter cylinder, cylinder lid, and quick opening mechanism, stainless steel filter bag to strengthen network main parts, such as the filtrate by filter shell side inlet tube into the filter bag, filter bag itself is a device in strengthening a basket with netting on top, liquid penetrant over fineness required for grades of filter bag which can obtain qualified filtrate, impurity particles blocked by the filter bag. It is very convenient to replace the filter bag, and there is basically no material consumption.
           
           
           
          Bag filter has many advantages such as reasonable structure, good sealing, strong circulation ability and easy operation. In particular, the filter bag side leakage probability is small, can correctly guarantee the filtration accuracy, and can quickly change the filter bag, so that the operating cost is reduced. The inner and outer surface of the filter adopts mechanical sandblasting polishing solution, which is average and easy to clean.
           
           
           
          Bag filter for filtering method is the method of side in side out, side in bottom out, also can take through the pressure in the pipeline to filter the liquid medium pressure into or smoke into the barrel, the bag filter to filter the liquid medium filter blue supporting by electrolytic polishing punching support of filter bag filter, change of solid liquid to liquid medium to be filtered results.
           
           
           
          The structure design of bag filter is that the top cover and the filter barrel are tightly sealed by four sets of swing hammer ring head bolts, so that the filter can withstand extremely high filtration pressure and water hammer type pressure impact. The bag filter consists of three parts: the filter cylinder, the filter basket and the filter bag. The liquid to be filtered enters through the inlet of the filter, flows into the filter bag, passes through the interception of the filter bag and flows out through the outlet of the filter.
           
           
           
          The inlet and outlet design of bag filter generally adopts side in and bottom out method for easy cleaning.
           
           
           
           
           
          The main advantages
           
           
           
          1) small side leakage probability of filter bag, effectively ensuring the filtration quality.
           
           
           
          2) bag-type filtration can bear greater working pressure, less pressure loss, low operating cost and obvious energy saving effect.
           
           
           
          3) the filtration accuracy of the filter bag has been continuously improved to 0.5 micron.
           
           
           
          4) bag-type filtration has large handling capacity, small volume and large pollution capacity.
           
           
           
          5) based on the working principle and structure of the bag-type filter system, it is convenient and fast to change the filter bag, and the filter does not need cleaning, saving labor and time.
           
           
           
          6) the filter bag can be reused after cleaning to save cost.
           
           
           
          7) bag filter has a wide range of applications, flexible use and diverse installation methods.
           
           
           
          Bag filter operation
           
           
           
          The bag filter is simple to operate. When using it, you only need to install the filter bag with the required degree of fineness in the filter cylinder, check whether the o-type sealing ring is intact, then tighten the ring bolt of the filter cylinder cover, and it can be put into work.
           
           
           
          After the pump is started, the pressure gauge on the filter machine rises slightly, the initial pressure is about 0.05mpa. With the extension of the service time, the filter residue in the cylinder gradually increases. When the pressure reaches 0.4mpa, the cylinder cover should be shut down to check the residual residue in the filter bag.
           
           
           
          The pressure of bag filter is generally adjusted at 0.1-0.3mpa, which can be adjusted through the reflux pipeline or the reflux valve on the pump. If the filtration pressure is too high, the filter bag and protective net will be damaged.
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