100%or110%,withtheconclusionofthebestoperationconditionatthe00%loadwiththemax.gainoperationratio,andrain.watermakingcost.Inordertorealizetechnicaladvancementandrain.occupationofland,anoptimizeddesignhasbeenrealizedintheprojectatthefactorsofpre-treatmentsystem,pressorposition,vacuumextractionsystem,seawatermakeupstyle,decreaseseawater’Ssupercoolingdegree,asaresultthatthetechnicalandeconomictargetachievedintheapplicationofthistechnologycallmeasureuptotheadvancedlevelofthesametypeprojectsinourcountry.n华北电力大学硕士学位论文Thisresearchhasgotmuchexperienceinthedesignandoptimizationforlowtemperaturemulti.effectdesalinationsystemwhichcanprovidesomereferenceforthedesignandconstructionofsomesubsequentsimilarprojects.Keywords:lowtemperaturemulti-effects;seawaterdesalination;powerstation;design;optimizationIH