ead coil condenser bundle more models design based on the characteristics of the system, increases the flow channel was prolonged, the material of heat transfer enhancement in the flow passage has realized fast, all the condensation, reduces the production of raw materials costs, and avoid environmental hazard.?Third, distillation system?In process, when the recovery of solvent can meet the technical indicators, the production, to paraphrase need to rectify, resulting in high purity, high cont