... .1.Heating system:It can be heated by steam /,oil /eletrict oil heater.The steam boiler is low in cost and suitable ... pressure vessels,so it should be operated carefully.As to the oil heater,it is adjustable, safe, uniform temperature,energy ... can lift the hot platen, close the separation,add the pressure, keep the pressure, keep time, descend the hot platen and so on capacity of 30000cbm/ year ...