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      VERTICAL PRESSURE LEAF FILTER

      VERTICAL PRESSURE LEAF FILTER

      vertical pressure leaf filterVertical Pressure Leaf Filters are quite similar to the Horizontal Plate Filters except for the orientation of the filter elements which are vertical rather than horizontal. They are applied for the polishing slurries with very low solids content of 1-5% or for cake filtration with a solids concentration of 20-25%.

      Just like the Horizontal Plate Filter the Vertical Leaf Filters are also very well suited for handling flammable, toxic and corrosive materials since they are autoclaved and designed for hazardous environments when high pressure and safe operation are required. Likewise, they may be readily jacketed for applications whenever hot or cold temperatures are to be preserved. These features are not possible on Filterpresses which require the opening of plates to the atmosphere and shifting them one by one to allow cake discharge at the end of each cycle.

      The largest vertical pressure Leaf Filters have a filtration area of 90 m2 and designed for an operating pressure of 6 bar

      The slurry is pumped under pressure into a vessel that is fitted with a stack of vertical leaves that serve as filter elements. Each leaf has a centrally located neck at its bottom which is inserted into a manifold that collects the filtrate. The leaf is constructed with ribs on both sides to allow free flow of filtrate towards the neck and is covered with coarse mesh screens that support the finer woven metal screens or filter cloth that retain the cake.

      The space between the leaves may vary from 30-100 mm depending on the cake formation properties and the ability of the vacuum to hold a thick and heavy cake to the vertical leaf surface. The space is set by the filtrate necks of the leaves at the bottom end and with spacers at the top end brackets.

      For fast filtering slurries the space may be doubled by removing every second plate so consequently the cake space doubles but the filtration area is cut in half.

      Applications:

      ━ Edible Oils
      ━ Pharmaceuticals
      ━ Bio fuels
      ━ Foods
      ━ Beverages
      ━ Chemicals
      ━ Petrochemicals

      Features:

      ━ High filtrate clarity
      ━ High yield low product losses
      ━ Large filtration area – small footprint (high headroom)
      ━ No filter cloth – no washing or cloth replacements
      ━ Totally enclosed operation – no contact with air/moisture
      ━ Positive pressure – no vacuum or lowered pressures necessary
      ━ Wet or dry cake discharge
      ━ Possible extraction of the filter cake within the filter
      ━ Easy to automate – operation with minimum labour
      ━ Fast and effective cleaning without manual interference.
      ━ Mechanically simple
      ━ Easy access to the filter leaves for maintenance or extra leaf cleaning
      ━ Intensive cleaning of filter medium is possible
      ━ Improved housekeeping
      ━ Steam heating optional

       

      Technical?parameters:

      Modelfiltration area
      (m2)
      cake area
      (L)
      capacity (T/h)working

      pressure
      (Mpa)

      working temp.
      (℃)
      vessel volume
      (L)
      weight
      (kg)
      oilresinbeverage
      NYB-2230/td>0.4-0.71-1.51.5-30.4≤150150350
      NYB-44600.5-1.32-31.8-5.5280450
      NYB-771051-1.853-6.53.8-7.5450700
      NYB-10101501.5-3.24-85-88501000
      NYB-12122302-4.56-108-1011001200
      NYB-15153003-4.57-1312-1814001400
      NYB-20204004-6.58-1615-2017001800
      NYB-25255005-7.511-2018-2520002100
      NYB-30306006-8.514-2225-3024002600
      NYB-35357007-9.516-2730-4527003100
      NYB-45459008-11.521-3440-4533003600
      NYB-505010009-1423-4035-4538504050
      NYB-6060120010-1625-4540-5045504450
      NYB-8080158012-2025-6055-7058505600
      NYB-9090182013-2240-7065-8067506600

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