... by 14 parts, which are the Auto-feeder, reactor, catalytic room, condenser pipe, oil-water separator, ... Safety:1. With an auto welding machine for the reactor, it can not only greatly improve working efficiency ... are especially for welding.3. Vacuum system will prevent oil gas from going back to reactor and ... . 2.The exhaust gas will be recycled for heating reactor, no gas pollution 3.Every junction of ...