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en.wikipedia.org/wiki/Blast_furnace_gas

Blast furnace gas (BFG) is a by-product of blast furnaces that is generated when the iron ore is ... Blast furnace gas is generated at higher pressure and at about 100–150 °C (212–302 °F) in a modern blast furnace. This pressure is utilized to ...

encyclopedia2.thefreedictionary.com/pressurized+blast+furnace

A blast furnace operated under pressure above the ambient; pressure is obtained by throttling the off-gas line, which permits a greater volume of air to be passed ...

ietd.iipnetwork.org/content/increased-blast-furnace-top-pressure-05-bar-gauge

In this technology, blast furnace off gas cleaning is performed using either a ... Increased top pressure helps good furnace operation and reduced fuel rate by ...

www.freepatentsonline.com/3764027.html

Oct 9, 1973 ... A blast furnace high top pressure charging system, and a method of operating such a system, in which burden materials are charged into a ...

www.steel.org/making-steel/how-its-made/processes/how-a-blast-furnace-works.aspx

Iron oxides can come to the blast furnace plant in the form of raw ore, pellets or sinter. .... gas and protect the top of the furnace from sudden gas pressure surges.

link.springer.com/article/10.1007/s11015-015-0157-7

Dec 8, 2015 ... This article refutes theoretical arguments that it is inexpedient to increase gas pressure in a blast furnace as a means of intensifying the ...

www.google.com/patents/US3764027

Oct 9, 1973 ... United States Patent 1 Tokarz BLAST FURNACE HIGH TOP PRESSURE Inventor: U.S. Cl. 214/37, 266/27 Int. Cl. F27b 11/12 Field of Search ...

www.jstage.jst.go.jp/article/tetsutohagane1955/57/10/57_10_1627/_article

On the basis of laboratory experiments, a series of formulas is derived to estimate a gas flow resistance of the blast furnace burdens. By applying these formulas, ...

ispatguru.com/methods-of-shutting-down-a-blast-furnace

May 5, 2015 ... However, it is a must that a positive pressure is kept in the hot blast system to assure that there is no danger of blast furnace gas coming back ...

www.google.com/patents/US3276757

In operating a blast furnace with an increased gas pressure in its top portion, it is also known to provide an automatic means, also sequenced to the charging ...