Method and apparatus for quenching pipe

Details Method and apparatus for quenching pipe Method and apparatus for quenching pipe

1975-01-24

1976-01-13

Stallard, W.

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148153, 266 4S, 266 6PC, 266 6S, C21D 162

Patent

active

039322386

ABSTRACT:
A pipe is heated with its longitudinal axis positioned vertically and then lowered from a furnace. As the pipe emerges from the furnace, it engages an inner ring of rollers and an outer ring of rollers which press against the hot pipe to shape it into a round configuration and to restrain the pipe during the initial impingement of quench fluid. As the pipe continues downward it is quenched by impinging the inside and outside surfaces with converging cones of high intensity quench liquid forming impingement rings on the inner and outer surfaces of the pipe which are opposite. The cooling by application of additional fluid and restraint by rings of rollers are continued after passage through the high intensity zone until the pipe reaches ambient temperature.

REFERENCES:
patent: 3749384 (1973-07-01), Werner
patent: 3804390 (1974-04-01), Jennings et al.

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