Hot blast stove installation

Details Hot blast stove installation Hot blast stove installation

1987-12-11

1989-10-31

Jones, Larry

Stoves and furnaces

Hot-air furnaces

Compressed air

432 29, 432 30, 432 40, F24H 302

Patent

active

048770132

ABSTRACT:
A hot blast stove installation for heating cold blast to form hot blast includes a plurality of hot blast stoves each alternately operable during a heating phase and a blowing phase, a cold blast main for supplying cold blast to respective of the stoves during the blowing phases thereof, and combustion air and fuel gas mains for supplying combustion air and fuel gas to respective of the stoves during the heating phases thereof. The cold blast in the cold blast main has a relatively high temperature compared to ambient temperature, for example a temperature of from 100.degree. C. to 300.degree. C. A heat exchanger is connected to the cold blast main to remove heat from the cold blast therein prior to the supply of the cold blast to the stoves, thereby reducing the men and/or maximum waste gas temperature in the stoves during the heating phase of operation thereof.

REFERENCES:
patent: 1316086 (1919-09-01), Dovel
patent: 3284070 (1966-11-01), Nishida et al.
patent: 4452586 (1984-06-01), Voges

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