DRY COOLING APPARATUS AND EXHAUST GAS COOLING METHOD USING THE SAME

Japanese Patent JP2014240508

A

PROBLEM TO BE SOLVED: To provide a dry cooling apparatus which can suppress sufficiently occurrence of wet dust due to drifting of exhaust gas, though having compact sizes, and an exhaust gas cooling method using the apparatus.SOLUTION: A dry cooling apparatus is for cooling exhaust gas from a molten metal refining furnace and includes a stirring part having a passage of an equivalent diameter d extending from above to below, a cooling apparatus body which has a taper part increasing in the cross section of the passage downward from the junction with the stirring part and a straight cylindrical part of an equivalent diameter D extending downward from the junction with the taper part, a plurality of spray nozzles for stirring provided at a position separated upward, by a distance L, from the junction of the stirring part with the taper part, a plurality of spray nozzles for cooling provided inside the straight cylindrical part and an exhaust port provided in the lower part of the cooling apparatus body. The equivalent diameter d of the stirring part, the equivalent diameter D of the straight cylindrical part, and the distance L meet a specified condition.

TANABE KEIICHI
KURATA SHINICHIRO
EGAWA YOSHIO

JP2013122821A

December 25, 2014

June 11, 2013

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NIPPON STEEL & SUMIKIN ENG CO
NS PLANT DESIGNING CORP

C21C5/38; F27D17/00

JPS4741504B1
JPH10216451A	1998-08-18
JP2004361059A	2004-12-24
JPH1163479A	1999-03-05
JPS4741504B1
JPH10216451A	1998-08-18
JP2004361059A	2004-12-24
JPH1163479A	1999-03-05

Yoshiki Hasegawa
Yoshiki Kuroki
Yasuki Ishizaka
Yohei Suzuki

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