Print date: 03-07-2022. Product: Destoner, rock/clod separator

Destoner, rock/clod separator

THE INNOVATIVE DESTONER WITH EXTREME LOW WATER USAGE

Van Dijke’s Destoner & Rock separators: the best way for destoning/removing rocks, earth lumps and clods out from your produce. This system uses a very high water flow rate to achieve perfect separation of rocks, lumps and dirt, yet treating the produce gently.

Van Dijke uses a split soil/sand and a rock/lump discharge system, for an optimum performance. The produce is brought into the first receiving hopper by an infeed conveyor. Rocks, earth lumps, clods, etc. will sink down in the receiving hopper onto the rock conveyor. This conveyor discharges the heavy materials outside the receiving hopper. The produce floats with the water onto the produce outfeed conveyor, which is mounted in the second hopper, the settling compartment. An impellor-pump is used to force the water back into the receiving hopper. This unit is also equipped with a system for filtering the sandy soil and clay (which is dissolved into the water) out of the water.

The key benefit of this system is that it can handle a high capacity produce, yet using a little amount of fresh (or recycled) water. This is achieved by the internal water recycling system and the smart designed sand and soil filtering system.

HOW DOES IT WORK?

A heavy duty impellor-pump forces the water from the settling compartment into the receiving hopper. Rocks, lumps, clods, etc. will sink though the waterflow, while the produce floats with the water into the 2nd compartment. Due to difference in specific weight between the produce and the foreign material (like rocks, earth lumps, etc.) the separation of both is achieved. By using a VFD on the water propulsion, a perfect and adjustable separation-process will take place into this unit. The produce will float and go into the second compartment.  A web-conveyor belt will take the produce out of the machine and bring it to the next step in the process. Sand and clay will settle down in this compartment and are discharged trough an automatic operated valve.  The sludge can be sent to a water recycling unit or to a basin. The heavy waterflow also helps to soak the produce for better cleaning and creates a light (pre)washing effect.

The machine is smart-designed and developed for heavy (and industrial) circumstances. This means that almost all driven parts are placed above the water level. To simplify maintenance, the machine is designed so that all important parts of the system can be easily reached. The machine is equipped with several inspection hatches.

The electrical motor with v-belt drive is installed on the outside of the machine and adjusts the waterflow.

The destoner is available as a stand-alone machine, but will also perfectly fit into a complete Van Dijke washing line.

The machine is available in capacities up to 150 ton / hour.

COMPLETE TURNKEY WASHING LINES

This machine fits perfectly in a complete Van Dijke washing line with washers, destoners, leaf removers, felt dryers, filtration screens, water recycling system and dirt handling systems. Contact Van Dijke to learn more about the possibilities!

KEY FEATURES:

  • STAINLESS STEEL OR GALVANISED (OR COMBINATION)
  • GENTLE PRODUCE TREATMENT
  • EXTREMELY LOW WATER CONSUMPTION
  • SELF CONTAINED SYSTEM
  • WATER LEVEL ADJUSTABLE, BEST DESTONING RESULT
  • SEPARTION PROCESS ADJUSTABLE


Gallery

  • Destoner, rock/clod separator
  • Destoner, rock/clod separator
  • Destoner, rock/clod separator
  • Destoner, rock/clod separator
  • Destoner, rock/clod separator
  • Destoner, rock/clod separator
  • Destoner, rock/clod separator
  • Destoner, rock/clod separator
  • Destoner, rock/clod separator

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