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Semolina Purifier

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Series HKIS

Semolina Purifier

The semolina purifier combines sieving with a rising air current to grade semolina by size and purity and to remove bran particles.

Model
1 model
Series
HKIS

The semolina purifier classifies the semolina coming from the break passages both on the sieve surface and in the air stream. Vibrating decks separate the product by size while an upward air current lifts the lighter branny particles of the same size off the deck.

Only clean, low-ash semolina therefore reaches the reduction rolls, which improves both extraction and flour colour. Air volume is set with separate dampers for each compartment.

Sieving area, air requirement and machine dimensions are given in the model table. Sieve frames withdraw from the side and can be removed completely for cleaning.

Key features

  • Two-stage classification by sieving and air
  • A separate air damper for each compartment
  • Side-withdrawable sieve frames
  • Low-ash semolina for better flour colour
  • Balanced vibratory drive

Applications

  • Semolina and durum wheat plants
  • Ahead of reduction in flour mills
  • Extraction and colour improvement projects
Animated schematic Paused

How it works

Working principle

Grinding turns cleaned, conditioned grain into flour, semolina and bran in several passes through roller mills and plansifters.

  1. 1A feed roll meters the stock into an even curtain across the full roll length.
  2. 2Two counter-rotating fluted rolls, one faster than the other, shear and crush the grain in the nip; pneumatic engagement lifts the rolls apart when the feed stops.
  3. 3The ground stock falls to the outlet and is conveyed to the plansifter, which separates it into fractions for the next pass.

What goes in, what comes outDrag the divider

Clean, conditioned grainFinished flour

HKIS

Technical specifications

  • Motor power

    2–2

    across 1 model

  • Weight

    1,020–1,020kg

    across 1 model

  • HKIS 46x200

    Dimensions (mm)

    A (mm)
    2750
    B (mm)
    1400
    C (mm)
    1165
    D (mm)
    120
    E (mm)
    590x150
    F (mm)
    160
    G (mm)
    1215
    J (mm)
    325

    Air requirement

    Air requirement (m³/min)
    40-70

    Other

    Sieving Area (m²)
    18

    Motor power

    Motor power
    2 x 0,20kw 560rpm

    Weight

    Weight (kg)
    1020