ATN Engineering B.V. - Andritz Group

ATNDrill-Head

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The drill head is especially designed to drain a refrigerator in order to recycle it. The position of drilling, the diameter of drill and the time of drilling are all outcomes of studies and experience. Draining is done by drilling a hole of 2.5 mm in the compressor. Leakage is prevented by a rubber seal which is placed by vacuum.

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The refrigerator has to be placed on its back in order to drill the hole directly in the oil bath. Oil will be drained completely because the hole is at the lowest point. When a drill head is placed all circumstances are checked by a PLC in order to release the drill for drilling. During the draining cycle all pressures are controlled. Because of the place of drilling and the diameter of the hole a refrigerator can be drained within one minute.

  • Very high recovery.
  • Fast draining. One unit per minute per drill head
  • Electronic control on the process.
  • Indication of leak and non-leak amount
  • No need to sort out leak refrigerators.
  • Small operating area
  • Constant amount of fridges coming trough
  • According to ATEX and small ex-zone
  • Easy to handle for unskilled operators