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spiral | heat

The alco-Spiral-Oven ASH


The alco ASH spiral oven is perfectly suited for producing steamed, cooked and roasted products in hot circulating air and/or steam. The spiral conveyor belt design allows a large effective cook zone while the space requirement is small. Large product quantities can be cooked gently in the alco spiral oven, whereby an optimal colour and texture are achieved and moisture losses in the product are minimised. By combining several successive spirals, different climate zones can be created and thus the optimal process for the product can be mapped.

For your application we offer you, based on our standard design, machines of various sizes as well as different additional options and add-on equipment. Due to the flexible combination options, we can configure the perfect solution for you. Should your optimal solution, however, not be achievable in this way, we would be glad to develop it together with you.

Technical features

  • production speed can be continuously adjusted
  • suitable for products of the most diverse sizes due to selectable spacing between the individual levels of the spiral
  • heated optionally either with electricity, thermal oil and/or steam
  • sophisticated air guiding to ensure the best and uniform heat transfer and browning
  • adjustable air velocity
  • steam injection for setting the desired air humidity
  • optional dew point control for maximisation of yield
  • process temperature continuously adjustable up to max. 260°C
  • several spirals can be combined in one system
  • automatic, continuous belt washing system in combination with CIP nozzles provide perfect cleaning
  • intuitive operability via a touch panel, with recipe management
  • remote maintenance service
  • isolated housing construction for avoidance of energy losses
  • made entirely of stainless steel and food-safe plastics
  • high operational reliability

400, 600 and 1,000 mm belt width
26 – 155 m effective length

more informations

With the ASH spiral oven, products made from a wide variety of raw goods can be manufactured.

Some typical products are:
whole chickens, chicken parts, meat loaf, hamburger patties, nuggets, bacon, lasagne, pretzels, pastry