Steam Turbine Cold End Intelligent Diagnosis and Optimization Decision System

Steam Turbine Cold End Intelligent Diagnosis and Optimization System

Air-cooled unit: (1) Additional heat load diagnosis: Such as shaft seal steam, Drain emergency relief valve leakage, vacuum leakage; (2) Temperature monitoring and control of air-cooled island: Dynamic monitoring, automatic control of air-cooled fans,and automatic flushing and spraying; (3) "Load"-Vacuum dynamic model: Self-tuning for differential diagnosis, pushing optimized operation and maintenance strategies; (4) "Micro-power Enhancement Comprehensive Knowledge Base: Establish an expertknowledge base for vacuum system performance and optimization; (5) Seasonal safety warning: Evaluation of fan energy consumption level, temperature distribution and anti-freezing early warning; (6) Result: Push the optimization strategy with most economicvacuum and air cooled power consumption.

Key technologies

◆Establish judgment models and optimization knowledge bases for additional heat load, condenser heat exchange, vacuum tightness, rubber ball system, etc. ◆Establish the condenser cooling ratio and the packing of the water tower / Knowledge base for performance calibration models and maintenance optimization of water distribution pipes and vacuum pump related systems; ◆Establish the dynamic efficiency curve of the condenser and the characteristic matrix model of micro-power variation, as well as the optimization knowledge base.

: 2. Wet cooling unit(1Additional heat load diagnosis:Such as shaft seal return steam, heater accident, internal leakage of the waterproof door, vacuum leakage;(2Dynamic condenser performance curve:That is, the relationship between water temperature, water quality and vacuum, and the automatic diagnosis of scaling conditions;(3"Load"-Vacuum dynamic modelPush optimization operation and maintenance strategies;(4"Micro-power Enhancement Comprehensive Knowledge BaseEstablish an expert knowledge base on the impact of vacuum system performance and optimization, and form a manual systemAI;(5)1kPaImpact2.26g/kWhStandard coal, consumption difference diagnosis and automatic optimization application.