Automatic exhaust device of pit type gas nitriding furnace

The utility model discloses an automatic exhaust device of a pit type gas nitriding furnace, which belongs to the field of gas nitriding equipment and comprises a vertical gas inlet pipe arranged on a wellhead cover of the nitriding furnace. An elbow is arranged at the upper end of the vertical air...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GUO QUANHAI, LI ZHIBIN, WANG HAOCUN, GAO ZHONGNAN, ZHANG DENGPO, SONG JIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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