Metallurgical apparatus – Having means for contacting a solid metalliferous material...
Patent
1984-03-13
1986-03-11
Brody, Christopher W.
Metallurgical apparatus
Having means for contacting a solid metalliferous material...
266117, 266134, 266259, 148153, C21D 162
Patent
active
045750548
ABSTRACT:
An apparatus is provided for quenching a hollow-bodied piece of steel with an opening at each end thereof, such as a steel pipe, which comprises exterior and interior quenching means. The exterior quenching means includes means for directing a cooling medium in a substantially circumferential flow pattern around the exterior of a steel pipe. In one embodiment the exterior quenching means includes means for separately directing a cooling medium in a substantially circumferential flow pattern at variable flow rates around the exterior segments of a steel pipe. The flow rate around each pipe segment may be varied with the thickness of the segment. The exterior cooling means may comprise a plurality of deflector plates to achieve the circumferentially directed flow of the cooling medium about the pipe. The interior quenching means includes means for injecting a gas into a cooling medium to insure sufficient turbulence in the cooling medium as it passes through the interior of the pipe so that heat transfer from the pipe to the cooling medium is facilitated. In one embodiment, the interior quenching means includes a cooling medium conduit adapted to introduce a cooling medium into the pipe and a gas injection conduit adapted to blow a gas into the cooling medium as it enters the pipe from the cooling medium conduit.
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Brody Christopher W.
Kruppert Enterprises, Inc.
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