In April, we completed the implementation of the project: the PHARMIX HV 3000 vertical homogenizer in the ATEX explosion-proof version. Design and manufacture according to 2014/34/EU, ČSN EN ISO 8079-36:2016, ČSN EN ISO 8079-37:2016, ČSN EN 1127-1:2012 and the in-house manual “QUALITY MANUAL FOR EXPLOSIVE ATMOSPHERE EQUIPMENT”.
End customer ROWAK AG Switzerland, chemical production.
Definition of environment::
- inside the homogenizer Ex II 2 D IIIB T200°C
- outside the homogeniser Ex II 3 D IIIB T200°C
Mixed material:
- copolyamide, ROWALIT 200-1, explosion class St1, grain size 0-250 µm, max.1 kg/litre
Design of the homogeniser:
- internal space inerted, maximum overpressure 0,05 bar
- made of stainless steel 1.4301 (AISI 304 l)
- the inner surface of the container and screw stirrer ground to Ra 0,8 µm
- outer surface blasted with ceramic abrasive balotina
- gearbox fillings: standard oil
- gearbox with preparation for liquid injection, inlet ball valve G1/2″, outlet G1/2″
- central gearbox PHARMIX
- Gearboxes NORD: NORD SK49032.1AFH 3 D TF, 5,5 kW,400/690, 50 Hz, EX II 3 D Ex tb IIIC T125 °C
- a NORD SK9033.1 AFH 2 D TF, 0,75 kW, 230/400 EX II 3 D Ex tb IIIC T125 °C
- other equipment:
- Rotonivo level sensor RN 3001 II1/2 D t IIIC T80°C
- C11 Treston temperature sensor, Ex Generi transmitter.
- Lafontaine DN 250 pivot gate valve, manual operation, material 1.4301
- under outlet spout for manual bag clamping, DN 250
- inspection hole at the bottom of the container, safety switch
