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Plantation

  • Vegetative
        Propagation
  • Planting
  • Pruning
  • Fertilizers
  • Weed Control
  • Pest Management


  • Plucking and
    Leaf Handling

    Withering

    Rolling

    Fermentation

    Drying

    Sorting


    Green Leaf Processing

    Sifters

    To extract sand etc. 4-5 mm perforation in reversed bossed sheet.  Well inclined, 180 RPM.

    Rolling 

    Rolling is a process where rollers are used to rupture the cell walls of the withered leaves for oxidation of the polyphenols in the presence of oxygen from air  

    Roller size 90 cm (36") 115 cm (46’’)  
    Charge capacity (withered leaf) 90 - 150 Kg. 260 - 350 Kg.  
    Table RPM SA 58 - 60  45 - 50  
    DA 50 40 - 45  
    Power required HP 7.5-10 12.5-15
    KW 6-7.5  9-11

    Green leaf sifters  

      Shaker Rotary (wire) Rotary (sheet)
    Perforation size 9 - 11 mm 8-4mm  mesh 10-6mm
    Capacity/hr (rolled) 1500 Kg 500 Kg/m length 350 Kg/m  
    RPM
    260 – 280 18 - 20 25 - 30
    Power req.
    HP
    1 2 2
    KW
    0.75 1.5  1.5  

    Leaf Conditioner  

      37 cm Rotorvane

    BLC

    Capacity/hr 35 Kg/rev 1200  
    RPM 35 - 50 38  
    Power req. BP (KW) 15 (12.5) 15 (12.5)
    With cutter  20 (15) 20 (15)  

    Boruah Continuous Roller (BCR)  

    45 cm 40.cb 37 cm
      1st Roll-2 passes 2nd Roll 3rd Roll  
    Capacity, Kg/hr 1750 1350 1000
    Power, HP (KW) 10(7.5) 15(11.25)  10(7.5)
    Space required 4.35 m long x I.71 m wide.

    C.TC. (Conventional)  

    a) Machines  

    Size 61 cm 76 cm 91 cm 122cm
      (24’’) (30’’) (36’’) (48’’)
    Capacity* (rolled) 600 750 900 1200  
    Capacity (RV) 800 1000 1200 1600
    Power     KW 10 11.25-15 15-18.5 18.5-22.5
                   HP 15 15-20 20-25 25-30
    *with standard plucking (65 - 700/o fine)  

    b) Segments  

    Bore : 16. 1925 cm         O.D. 20 or 21 cm  
    Width : 5.080 cm or multiples  

      Pitch (mm) No./Seg  Depth mm
    Circumferential grooves 3.15 (8 TPI) 15+2x'/2 2.03
    (chasing angle 55-) 2.54 (10 M)  19+2x'/2 1.59
    Helical grooves 1.32-1.13 50 1.73
    (lead 60 cm) 1.10-0.94 60 1.27
    Circumferential
    Grooves 3.15 (8TPI) 15+2x1/2 2.46
    (chasing angle 45') 2.54 (10TPI) 19+2x1/2 1.98
    Helical grooves 1.32-1.13 50 2.13
    (lead 60 cm) 1.10-0.94 60 1.73

    Cutter angle for helical groove to maintain length of tooth:  

    Roller diameter (cm) 18 19 20 21
    Cutter angle (theoretical) 67' 69' 70' 71'
    Cutter angle (Practical) 65' 65' 70' 70'  

          C.TC. (33 cm dia)  

    Machines
    76 cm(30 in)
    91 cm(36 in)
    Capacity, kg/hr (Rolled) 1000 1200
    Power, KW (HP) lst Roll  18.5(25) 22(30)
    2nd Roll 18.5(25) 18.5(25)
    3rd Roll 15.0(20) 18.5(25)
    RPM HSR 600 600
    SSR 60 60
    No. of helicals 8 TPI 80 80
    10 TPI 100 100

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