电厂化学水处理系统现状及技术创新应用研究

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中图分类号：TM62 文献标志码：A 文章编号：2095-2945(2025)14-0048-0

,（1.国能宁东第一发电有限公司，银川750000；2.西安热工研究院有限公司，西安710054）

Abstract:Toanalyzethestatusquoofchemical watertreatmentsysteminpower plantandexplorethepath toimprove the operationqualityofchemicalwatertreatmentsysteminpowerplant.Takingthechemical watertreatmentsystemofa2x530MW supercriticalcoal-firedpowerplantinNorthChinaastheresearchobject，basedontheanalysisofthelowoperatingqualityof thecirculating waterreplenishmentsystemanddesulfurizationsystemintheoperationprocessofthechemicalwatertreatment systeminthepower plant,AHPwasappliedtoselectthesystemoptimizationscheme."Highconcentrationrate,zerodischarge" asthecoreof the powerplantchemical watertreatmentsystem technicalmodel innovationand transformation.Andonthebasis ofdeterminingthescheme,furtherexploretheselectionanddesignofvarioustypesofequipment,aswellasthespecificprocess flow.Aftrclarifyingthetechnologyimprovementstrategyofchemicalwatertreatmentsystem，itisappiedinpracticeandthe applicationefectoftechnologicalinnovationisanalyzed.Inthistransformation，theexistingproblemsofthechemicalwater treatmentsystemofthepowerplantincludethedeteriorationoftheoperatingqualityofthecirculatingwaterreplenishment system,thelargeamountofdesulfurizationwastewater，andtheinsufcientcompatibilitywiththecurrentconceptof"zero discharge".Thetechnicaloptimizationplanisdeterminedtoaddalimesofteningfiltrationsystemtotheoriginalwatertreatment system,andoptimizethetechnicalparametersofdesulfurizationwastewater,sothatthewastewatercanachievethepurposeof "zero discharge".After the transformation,the fresh water consumption of the power plant was reduced by 509m3/h ，the external displacementwasreducedby2.458millinm,andthewatercollctioncostwassavedby6.902millionyuan.Teconcentration ratioindexofcirculatingwateris7.1，whichissignificantlyhigherthanbeforethetransformation.Thetargetofwastewater discharge has been reduced by 394.2m3/h ，areduction of more than 95% .This optimization has achieved the dual goalsof reducingwaterintakecostandreducing wastewaterdischargeatthesametime，andhashigheconomicandenvironmental benefits,which is expected to be further popularized and applied in the future water treatment work.

Keywords:powerplant;chemicalwatertreatmentsystem；technological innovation;optimizationdesign；aplicationeffect

当前，火力发电仍然是我国电力行业的主要发电性也更为突出，与此同时，火电厂用水量大和排水量类型。（剩余10956字）