Constant-temperature-difference continuous crystallization device for p-toluenesulfonamide

The utility model provides a p-toluene sulfonamide constant temperature difference continuous crystallization device, which comprises a p-amine refining primary cooling kettle (10), a p-toluene sulfonamide constant temperature difference continuous crystallization kettle (20), a p-toluene sulfonamid...

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Bibliographische Detailangaben
Hauptverfasser:	XU HUILONG, WU ZHONG, JI TUGEN, TANG HAIJIA, ZHANG YONG, SU WEI, WANG LIANG, HU WENJUN, YIN JIANGEN, JIANG YIZHOU, LIU YONGQIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	The utility model provides a p-toluene sulfonamide constant temperature difference continuous crystallization device, which comprises a p-amine refining primary cooling kettle (10), a p-toluene sulfonamide constant temperature difference continuous crystallization kettle (20), a p-toluene sulfonamide constant temperature difference continuous crystallization kettle (30), a p-toluene sulfonamide constant temperature difference continuous crystallization kettle (30), a p-toluene sulfonamide constant temperature difference continuous crystallization kettle (30) and a p-toluene sulfonamide constant temperature difference continuous crystallization kettle (30), the para-amine refining secondary precooling kettle (20) is communicated with the para-amine refining primary cooling kettle (10), and a para-amine refining secondary precooling kettle stop valve is arranged on the para-amine refining secondary precooling kettle (20); the para-amine refining cryogenic kettle I (30) is communicated with the para-amine refini