Filtering device and filtering method for coal gasification chilled water

The invention discloses a filtering device for coal gasification chilled water, the filtering device comprises a first filter, a second filter and a first pressure detector, wherein a first water inlet of the first filter is provided with a first water inlet valve, and a first water outlet is provid...

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Bibliographische Detailangaben
Hauptverfasser:	WANG FAN, LU PING, XIE HONGYUN, WANG JIAN, LI HENGYUAN, WU YUNFEI, WU BO, MENG HUANSHUANG, ZHAO JIANWEI, WANG JIANLONG, LIN BO, WANG LULU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	The invention discloses a filtering device for coal gasification chilled water, the filtering device comprises a first filter, a second filter and a first pressure detector, wherein a first water inlet of the first filter is provided with a first water inlet valve, and a first water outlet is provided with a first water outlet valve; a second water inlet valve is arranged at the second water inletof the second filter, a second water outlet valve is arranged at the second water outlet, and a switching valve is arranged between the first water inlet valve and the second water inlet valve; a water inlet pipe is connected to a first pipe between the first water inlet valve and the switching valve, the first water outlet valve is connected to a second pipe between the second water inlet valveand the switching valve, the second water outlet valve is connected to a water outlet pipe, and the water outlet pipe is connected to the first pressure detector for detecting the pressure differencebetween the first water inl