Thermodynamic system and regulation and control method for rapid load responses of heat supply unit

The invention discloses a thermodynamic system and a regulation and control method for rapid load responses of a heat supply unit. The technical problems that an existing thermodynamic system is poorin stability and high in cost are solved. The system is based on the heat supply unit, and the heat s...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG QI, YOU SHANSHAN, WU SHUIMU, JIAN ZHIQING, BAO WEIWEI, YUAN JIANLI, ZHOU NAIKANG, FU JIA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DOMESTIC HOT-WATER SUPPLY SYSTEMS DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATINGSYSTEMS ELEMENTS OR COMPONENTS THEREFOR ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS RANGES STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a thermodynamic system and a regulation and control method for rapid load responses of a heat supply unit. The technical problems that an existing thermodynamic system is poorin stability and high in cost are solved. The system is based on the heat supply unit, and the heat supply unit comprises a boiler, a high-pressure cylinder, a medium-pressure cylinder, a low-pressurecylinder and a generator which are sequentially connected. A medium-low-pressure communication butterfly valve is arranged between the medium-pressure cylinder and the low-pressure cylinder and is used for regulating the flow of steam entering the low-pressure cylinder. A heat supply steam outlet is formed between the medium-pressure cylinder and the medium-low-pressure communication butterfly valve, and a steam extraction butterfly valve is arranged on a steam extraction pipeline and is used for adjusting and controlling the flow of steam entering a heat supply network heater. The system isused for rapidly responding