solvent recovery

Posted by Hongxia Wang
2
International Trade & Business
Aug 31, 2015
190 Views
Solvent recovery: steam discharged from the offline mixed steam as the heat source of the first evaporator and condensation liquid into water separator, not steam condensing into energy-saving device, in energy-saving hot steam from the evaporative condenser condensate spray condensation, condensation liquid into water separator, not cold condensing steam into the steam offline condenser to condense into water separator. From the first evaporator and the second evaporator of the mixed steam and solvent steam are all entered into the steam condenser. Vacuum pump caused by the negative pressure of the condenser, and then the negative pressure of the evaporator. From stripper mixed steam into the steam condenser, the condensate is discharged into the water separator in the watershed, the uncondensed gas is steam vacuum pump into the first evaporator, resulting in a negative pressure state of the condenser and the stripping tower stripping. The extractor free gas is condensed by the condenser, the condensate enters the water separator. From steam condenser offline, leaching condenser, water separator, solvent tank free gas into the condenser final and condensate into water separator and non condensable gas into mineral oil absorption tower, absorption in the absorption cooling tower in solvent steam paraffin oil, can not be absorbed in the air and a small amount of solvent gas was emptying tower fan out. Stone cold wax oil containing the solvent after a heat exchanger, a heater heating into analytic tower stripping, the solvent desorption out and paraffin oil separation and discharge of the desorption tower mixed steam into the evaporative condenser. From solvent water separator is separated into the solvent flow, separation of water again after cooking, recycling the residual solvent through the water seal tank discharge. Solvent flow in the library, the solvent is pumped by the pump to enter the leaching after the solvent preheater.
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