Hot rolled strip cooling device with coolant header

Details Hot rolled strip cooling device with coolant header Hot rolled strip cooling device with coolant header

2006-12-28

2008-08-05

Banks, Derris H. (Department: 3725)

Metal deforming

By use of roller or roller-like tool-element

With modification or control of temperature of work, tool or...

Reexamination Certificate

active

07406850

ABSTRACT:
The present invention discloses a coolant header for hot rolled strip cooling devices, which cools a hot rolled strip fed from a finish rolling mill. The header includes a body provided with a plurality of discharging holes formed through the lower surface of the body such that the discharging holes are arranged along the width of the hot rolled strip and at least three rows of discharging holes are arranged along the length of the hot rolled strip; a coolant pipe provided in the coolant header, with an outlet hole formed on a side surface of the coolant pipe to discharge coolant; an inclined plate placed in front of the outlet hole of the coolant pipe such that the plate is inclined downwards, thus evenly distributing the coolant discharged from the outlet hole over the entire surface of the coolant header; a perforated plate placed above the discharging holes and causing the coolant to flow uniformly; and a flow stabilizing filter placed between the discharging holes and the perforated plate and causing the coolant to flow in a stabilized laminar manner. The present invention discharges a great amount of stabilized flow coolant onto the hot rolled strip, thus maximizing the strip cooling efficiency.

REFERENCES:
patent: 4247047 (1981-01-01), Schaming
patent: 4507949 (1985-04-01), Killilea
patent: 4706480 (1987-11-01), Svatos
patent: 55-054209 (1980-04-01), None
patent: 55054209 (1980-04-01), None
patent: 59-0921699 (1985-11-01), None
patent: 2000-136079 (2001-11-01), None
patent: 55-054210 (2008-04-01), None
PCT/KR2005/002062, Search Report, Published Sep. 9, 2005.

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