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CPM - Liquid Addition for Pelleting Systems
More than twenty years of experience brought us up to the state of the art next generation coater for post pelleting applications like fat and enzymes. Guarantees high quality equal sprayed dust free pellets with high fat content. CPM Liquid Addition: The first step to quality improvement is spraying fat at the pellets after they left the pellet mill. Spraying fat allows a higher proportion of fat to be included, permitting the use of lower cost raw materials, while maintaining pellet quality. Generally there are two mayor places in the pelleting lines were it is relatively easy to dose accurately fat. This is or directly on the pellet mill die, or in a coater after the cooled pellets left the sifter.
The CPM controller couples the pellet mill capacity with the CPM dosing cabinet. This ensures in a simple way the accurate dosing of a constant fat percentage, regardless of the pellet mill throughput. The totally enclosed insulated heated CPM dosing cabinet contains a filter, motor with inverter drive, variable flow pump, flow meter and non return valve. Fat is transported to the die chamber through a flexible heated pipe supplying fat to the spray block with air operated jet selection. It can handle any type of oil or fat of animal or vegetable origin.
To add fat in combination with enzymes and other micro liquid additions a coater can be used. Placing the coater in the end of the line reduces cross contamination and gives a better control on odour emission. The feeding can be volumetric, by weighing belt or with lost in weight system. In the heated and insulated CPM spray box a curtain of pellets is sprayed from both sides. For fat three air operated nozzle-guns are mounted on both sides of the curtain. With a precise selection of the different sized nozzles the liquid pressure is held between narrow limits and is the spray pattern kept most constantly. This system ensures most uniform spraying results with a minimum pollution. In the spray box also two air-operated spray guns are located, to spray liquid micro additions like enzymes etc. The partly heated and insulated ribbon screw gives the pellets the needed retention time to give the pellets the possibility to absorb the fat totally.
The CPM Design:
More than twenty years of experience brought us up to the state of the art next generation fatscoater:
The Feeder Chain:
The feeder chain ensures an always-constant volume throughput. If desired the drive can be equipped with a frequency inverter to vary the throughput. The feeder chain is equipped with an adjustable feed gate, to set the desired throughput. Also a product flow sensor is installed, to double check if feed is present.
Fatscoating After the Cooler:
To add fat in combination with enzymes and other micro liquid additions a coater can be used. Placing the coater in the end of the line reduces cross contamination and gives a better control on odour emission. The feeding can be volumetric, by weighing belt or with lost in weight system. In the heated and insulated CPM spray box a curtain of pellets is sprayed from both sides. For fat three air operated nozzle-guns are mounted on both sides of the curtain. With a precise selection of the different sized nozzles the liquid pressure is held between narrow limits and is the spray pattern kept most constantly. This system ensures most uniform spraying results with a minimum pollution. In the spray box also two air-operated spray guns are located, to spray liquid micro additions like enzymes etc. The partly heated and insulated ribbon screw gives the pellets the needed retention time to give the pellets the possibility to absorb the fat totally.
The CPM Design:
More than twenty years of experience brought us up to the state of the art next generation fatscoater:
The Feeder Chain:
The feeder chain ensures an always-constant volume throughput. If desired the drive can be equipped with a frequency inverter to vary the throughput. The feeder chain is equipped with an adjustable feed gate, to set the desired throughput. Also a product flow sensor is installed, to double check if feed is present.
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The User-friendly control panel is suited for placement in GMP/ISO standards based production environment, with the possibility to work with separate “loss in weight” or other throughput measurement systems. “Batch” wise read out of produced product and added liquids. It is also easy to connect with other PLC systems for master control, monitoring and printouts.
