Unit for catalytic gas nitrogenation of steels and alloys

Details Unit for catalytic gas nitrogenation of steels and alloys Unit for catalytic gas nitrogenation of steels and alloys

2011-04-26

2011-04-26

Kastler, Scott (Department: 1733)

Metallurgical apparatus

With recording, indicating, inspection or measuring means

C266S252000

Reexamination Certificate

active

07931854

ABSTRACT:
Equipment for thermochemical treatment of steels and alloys in gaseous mediums with automatic control includes a heating furnace with/without a muffle, a process gas catalyst impact block located in the furnace, a mechanism for supply, mixing, proportioning and extraction of process gases and a device of indirect monitoring and control of the nitrogen potential in the furnace atmosphere. The device of indirect monitoring and control of the nitrogen potential in the furnace atmosphere is an oxygen sensor, a secondary transducer with indication of the nitrogen potential in weight units of nitrogen content in iron and an actuator, while the process gas catalyst impact block is located in the furnace on the process gas supply line. The technical result achieved is that reliability and stability of processes are significantly increased, as well as the period of nitriding is reduced due to integrated process automation that is available.

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