電廠化學(xué)水處理系統(tǒng)現(xiàn)狀及技術(shù)創(chuàng)新應(yīng)用研究

打開(kāi)文本圖片集
中圖分類號(hào):TM62 文獻(xiàn)標(biāo)志碼:A 文章編號(hào):2095-2945(2025)14-0048-0
,(1.國(guó)能寧東第一發(fā)電有限公司,銀川750000;2.西安熱工研究院有限公司,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
當(dāng)前,火力發(fā)電仍然是我國(guó)電力行業(yè)的主要發(fā)電性也更為突出,與此同時(shí),火電廠用水量大和排水量類型。(剩余10956字)