... need for production, the temperature reach to 280degree.4.Vacuum pump provides vacuum for bleaching, deodorization which can reach 755mmHg or ... deodorization tower, leaf filter, frame filter, four- steam jet pump,water jet pump, Conducting oil furnace Main Material:soybean , sunflower , cottonseed, ... and x-ray detection chamber for welding seam .3. vacuum system to prevent oil gas be back to reactor ...