Paternoster oven

heat treatmentelectricforced convection

The oven equipment consist of : Mechanical structure - A base frame made of welded Alusi structural steel hollow sections; - An outer cladding consisting of steel sheets coated with PUR paint and welded to the base frame; - An interior cladding with mechanical air ducting (usable space), Alusi (corrosion protection) and welded airtight; - Insulation, 100 mm thick, consisting of glass fibres, located between the inner and outer cladding. - Air inlets on both sides, permanently installed in the inner side walls. They ensure uniform air distribution in the oven chamber. - 4 Manually sliding lifting doors; pushing direction: from bottom to top. Vertical conveyor - Two conveyor chains which are moved vertically and circularly in the furnace interior by means of - four sprockets, each located in the uppermost and lowermost area of the oven interior; - a gear motor driving the 2 upper sprockets and the chain system; - 24 conveyor gondolas - 3 storage levels per gondola Linked to the oven: - 1 electric heating coil for a max. heating capacity of 40 kW; - 1 fan with a max. capacity of 10 000 m3/h for air mixing and distribution in the the oven; - 1 temperature probe for regulation and control of the working temperature; - 1temperature probe for protection against reaching a def. maximum temperature. Loading and unloading zone: Connection cabinet, measuring system - 1 climat. Control cabinet IP 54, with : - One temperature controller (Eurotherm); - One PLC Siemens S7 1500; - One Siemens KTP600 operator touch screen; - Relays, fuses, cables, etc;