输灰系统栓塞流场影响因素分析

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中图分类号：TM621 文献标志码：A 文章编号：2095-2945（2025）30-0047-04

Abstract：Ashconveyingsystemisakeylinkinfluegastreatmentincoal-firedpowerplants，anditsperformancedirectly affectstheeconomicandenvironmentalbenefitsofthepowerplant.Thepurposeofthispaperistosystematicallyanalyzethe complexgas-solidtwo-phaseflowcharacteristicsinsidetheashconveyingsystemandstudynewflowfieldoptimizationmethods toimprovetheenergyconservationandconsumptionreductionlevelofthesystem.Thestudyusedexperimental methodssuchas feldtestsimulationtofinelymeasurethevelocityfieldandconcentrationfieldinsidetheashconveyingsystem，anddply graspedaseriesoftypicalflowcharacterisicssuchasturbulencefluctuationsandvortexmotioninthesystem.Basedonthe aboveresearch，webuiltamathematicalmodelthatcomprehensivelyconsideredthegasphasevelocityfieldandthemovemntof solidparticles，andusedtheEuler-Lagrangecoupledsolutionmethdtonumericallysolvetheequationset，succesfullyrealizing theintemalflowfieldoftheashconveyingsystem.High-fideltysimulationhasachievedsignificantenergy-savingandfficiency gains，andachievedgodenvironmentalprotectionefects.Thisresearchprovidesnewideasandmethodsforenergyconservation andconsumptionreductioninashconveyingsystemsincoal-firedpowerplants，andtheresearchresultshavebroadenginering application prospects.

Keywords：coal-firedpowerplant；ashconveyingsystem;flowfieldcharacteristic；gas-solidtwo-phaseflow;numerical simulation

燃煤发电在我国电力工业中占据主导地位，而烟气输灰系统作为燃煤锅炉的关键辅助设施，在除尘和灰渣输送中发挥着重要作用。（剩余4003字）