Web Results

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 ...

ietd.iipnetwork.org/content/blast-furnace-system

The hot gases leaving the blast furnace still maintain a pressure of 2 – 3 bar. In addition, a gas with low calorific value (~ 3 MJ/Nm3) is produced at a rate of 1300  ...

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.

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.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/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 ...

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 ...