Molding and pre-hardening units
GEA molding and pre-hardening units are used for the mass production of dry pasta filata type pizza cheeses and kashkaval. Our comprehensive range of hygienic, precise and user-friendly units and fully automated production lines can be tailored to process the highest quality cylindrical and parallelepiped shapes, at capacities of 500-8,000 kg per hour.
As the carousel rotates the product undergoes pre-hardening by means of cold water sprays, and at the end of rotation the molds are turned out into a hardening vat. The cooling water is passed through an exchanger and recirculated by centrifugal pump.
The system is operated via a PLC, and is configured with pipework and sprinklers connected to an external cleaning-in-place plant for efficient cleaning. The feeding unit and carousel are also completely separated when not in operation, which also aids faster and easier cleaning. All product contact parts are Teflon coated, and the augers and carousel are driven by servo-motors for precise control and robust operation.
GEA separately offers both bath (indirect cooling) and shower (direct cooling) machines for cheese molding and pre-hardening, which can be configured for production capacities of up to 3,500 kg per hour.
The direct cooling system comprises a cheese feeding unit with auger conveyors, which transfers the cheese from the stretching unit to the molding carousel. As the carousel turns intermittently, the products in the molds are cooled to 12-14° C using showers of cold water. After a complete revolution a pneumatic system then turns the products out from the molds onto a short belt for transfer to the next stage of processing. An electronic size regulator means that cheeses of different heights can be produced using the same molds.
All the working parameters of the machine are PLC controlled. A centrifugal pump ensures the efficient recovery and circulation of the cooling water, and also the recovery of cleaning solutions following.
GEA can also supply molding and pre-hardening systems in which pre-hardening of the product is carried out by surrounding the molding carousel with a bath of cold water. Available for production capacities of up to 2,000 kg per hour, the systems can be configured with carousels for molding cylindrical or rectangular blocks of cheese at weights of 300 g to 5 kg each.
All GEA units are designed for user-friendly operation, and to minimize water usage. Water for hardening and pre-hardening is recirculated through an exchanger and reused. A number of machines can be configured with pipework and sprinklers for connecting to an external cleaning-in-place.
Patented Vulcan non-stick technology
We can also supply systems that are treated using our Vulcan non-stick technology. GEA has developed Vulcan as a long-lasting metal treatment that has advantages over traditional Teflon coating.
All GEA molding and pre-hardening systems feature either Vulcan-treated or Teflon-coated product contact parts, mechanical or electro-mechanical protection on dangerous areas, and waterproof control panels in stainless steel.
Our units are also designed to enable easy inspection of key areas and parts, to facilitate monitoring and routine maintenance.
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