... , safe valve.2) We have anti-blocking device, in case of jam, there will be automatic alarming, automatic ... with automatic feeder, no gas leak.Environmental protection1) Built-in slagging, seal with water, no solid pollution.2) ... we can continue the next batch when the reactor in a high temperature ,just ensure no oil gas ... .the last is the concrete .so when we start the next batch , we can take use of ...