Environment-friendly treatment equipment in propylene diamine production process

The utility model discloses environment-friendly treatment equipment in a propylene diamine production process, which comprises a filter box, a screw is connected in the filter box through threads, a sealing ring is sleeved on the outer side of the screw, a cover body is sleeved on the outer side of...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FENG XINJIANG, PANG BAOYANG, ZHAO HUAQI, LIU TAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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