METHOD FOR PREDICTING ECONOMICAL EFFICIENCY OF POWER RECOVERY EQUIPMENT

PROBLEM TO BE SOLVED: To provide a method for predicting economical efficiency of a power recovery equipment by which economical profit can exactly be evaluated on the basis of reality. SOLUTION: The power recovery equipment 1 has an expansion turbine 11, a heat exchanger 13 making fluid discharged...

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1. Verfasser:	KANEMURA TOSHIKATSU
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING CALCULATING COMBUSTION ENGINES COMPUTING CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES ELECTRICITY ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS GENERATION HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PHYSICS STEAM ENGINES SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for predicting economical efficiency of a power recovery equipment by which economical profit can exactly be evaluated on the basis of reality. SOLUTION: The power recovery equipment 1 has an expansion turbine 11, a heat exchanger 13 making fluid discharged from the turbine pass through and a generator 12 driven by the expansion turbine 11. For calculating the economical efficiency of the power recovery equipment, turbine suction pressure, a turbine suction temperature and turbine discharge pressure on fluid in the expansion turbine 11, exist fluid pressure and an exist fluid temperature on fluid in the heat exchanger, an entrance medium temperature and an exit medium temperature on a heat exchange medium in the heat exchanger, a power unit price, power basic charge, cold/heat unit price, and the flow rates of fluid passing through the expansion turbine per unit time at every month and every hour in one day are obtained in advance. The values are adopted as a prerequisite condition, and evaluation reference for predicting economical efficiency is calculated based on them.