Metal cooling bed for controlling rate of cooling

Details Metal cooling bed for controlling rate of cooling Metal cooling bed for controlling rate of cooling

1980-03-24

1983-05-10

Dean, R.

Metallurgical apparatus

Means treating solid metal

By cooling of the solid

C21D 184

Patent

active

043825869

ABSTRACT:
The invention pertains to method and apparatus for controlling the rate of cooling of metal bars, particularly relating to a cooling bed for receiving metal bars at elevated temperatures resulting from a continuous bar casting and/or rolling operation wherein the rate of bar cooling may be sufficiently retarded that a soft bar results having few internal stresses. The apparatus includes a bed receiving the hot bars at one end and conveyor means laterally transport the bars slowly across the bed, and the heat content on the conveyor is controlled by the bar spacing and speed and a thermal insulated heat barrier means disposed below and above the bed controls the rate of bar cooling wherein a substantially normalized bar exits at the bed discharge end. Control of the rate of cooling is a combination of regulating bar spacing, conveyor velocity and convection and radiation cooling control, and these factors are utilized to produce the desired bar physical characteristics, such as hardness.

REFERENCES:
patent: 3320101 (1967-05-01), McLean et al.
patent: 3930900 (1976-01-01), Wilson

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