Power plant flue gas waste heat exchange system based on permanent magnet speed regulation

The invention discloses a power plant flue gas waste heat exchange system based on permanent magnet speed regulation. The power plant flue gas waste heat exchange system mainly comprises a motor, a permanent magnet speed regulator, a booster pump, an electric regulating valve set, a flowmeter set, a...

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Bibliographische Detailangaben
Hauptverfasser:	QIU JING, GUO JINMIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a power plant flue gas waste heat exchange system based on permanent magnet speed regulation. The power plant flue gas waste heat exchange system mainly comprises a motor, a permanent magnet speed regulator, a booster pump, an electric regulating valve set, a flowmeter set, a flue gas waste heat exchanger set, a flue gas acid dew point instrument set, a PLC and the like. The motor is connected with a permanent magnet speed regulator which is connected with a booster pump, an outlet of the booster pump is connected with a cooling water pipeline, the cooling water pipeline is connected into the flue gas waste heat exchanger, and an electric control valve and a flowmeter are installed on the three parallel pipelines respectively. One end of the flue gas waste heat exchanger is connected into a flue gas pipeline, and a flue gas acid dew point meter is mounted at an outlet; and the PLC receives the monitoring signal and transmits a control instruction. The permanent magnet speed regulation