... chamber,cooling tube,heavy tank ,oil-water separator,condenser,light oil tank,safety device,vacuum system,dedusting system,draft fan,chimmey. The ... the quality of welding will have a direct impact on safety and service life. Therefore, we use automatic welding machine, ... square meters, which will guarantee you a high oil yield.Safety of Refining Equipment:1)Pressure gauge, alarming device, safe valve ...