Cleaning and descaling structure of adiponitrile production equipment

Cleaning and descaling structure of adiponitrile production equipment

A cleaning and descaling structure of adiponitrile production equipment comprises a heating device, a circulating pipeline, a liquid discharge pipe, an exhaust pipe and an acid inlet pipe, the heating device is arranged outside or inside the adiponitrile production equipment, the upstream end of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHEN DONGSHENG, ZHANG YINXING, ZHAO FENGXUAN, CHEN ENZHI, ZHANG CHUANLI, LI NING, ZHANG NAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
BLASTING
CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE ORHEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
HEAT EXCHANGE IN GENERAL
HEATING
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
WEAPONS
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Beschreibung
Zusammenfassung:A cleaning and descaling structure of adiponitrile production equipment comprises a heating device, a circulating pipeline, a liquid discharge pipe, an exhaust pipe and an acid inlet pipe, the heating device is arranged outside or inside the adiponitrile production equipment, the upstream end of the circulating pipeline is arranged at the low point of the adiponitrile production equipment, and the downstream end of the circulating pipeline is arranged at the high point of the adiponitrile production equipment. The circulating pipeline is provided with a circulating pump, the liquid discharge pipe is arranged at the low point of the adiponitrile production equipment and is controlled to be opened and closed through a first valve, the exhaust pipe is arranged at the high point of the adiponitrile production equipment and is controlled to be opened and closed through a second valve, and the acid inlet pipe is connected with the adiponitrile production equipment and is controlled to be opened and closed through a