Device for cooling a quenching bath of melted salt

Details Device for cooling a quenching bath of melted salt Device for cooling a quenching bath of melted salt

1978-02-03

1979-11-27

McQuade, John

Metallurgical apparatus

Having means for contacting a solid metalliferous material...

By immersing an article to be treated in bath of molten...

C21D 164, C21D 166

Patent

active

041757300

ABSTRACT:
A device for cooling a heat treatment bath of melted salt into which heat is being introduced through the quenching of hot workpieces, the heat being removed from the salt bath through the introduction of a partially evaporated cooling medium, preferably water, whose complete evaporation takes place in direct contact with the melted salt, a portion of the latter being at the same time entrained in a circulatory flow out of the treatment tank and back into it, thereby agitating the salt bath for temperature equalization. The device includes a heat exchanger immersed in the salt bath for the partial evaporation of the cooling medium, and a circulation pipe for direct contact of the cooling medium with the melted salt.

REFERENCES:
patent: 2052254 (1936-08-01), Shaver
patent: 2851263 (1958-09-01), Adam, Jr.
patent: 2880986 (1959-04-01), Holden
patent: 2931745 (1960-04-01), Halgren et al.
patent: 3399877 (1968-09-01), Birjukova
patent: 3645802 (1972-02-01), Keough
patent: 3915759 (1975-10-01), Smollett et al.

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