Shaft furnace

Details Shaft furnace Shaft furnace

C - Chemistry, Metallurgy

21

B

C21B 13/02 (2006.01) C21B 13/14 (2006.01) F27B 1/10 (2006.01)

Patent

CA 2338069

The invention relates to a shaft furnace, in particular a direct-reduction shaft furnace, with a charge composed of particulate material, in particular a particulate material containing iron oxide and/or sponge iron, the said material being capable of being fed into the shaft furnace from above, and with, arranged in one plane, a multiplicity of gas-inlet orifices for a reduction gas in the region of the lower third of the shaft furnace, the shaft contour having a diametral widening and a cavity being formed between the gas-inlet orifices and the charge. The shaft furnace according to the invention makes it possible to supply gas to the shaft furnace so as to be distributed uniformly over its circumference.

Four vertical, en particulier four vertical à réduction directe,qui permet le déversement de matière en morceaux (2), contenant en particulier de l'oxyde de fer et/ou de l'éponge de fer, depuis le haut dans le four vertical. Ledit four est doté, dans son tiers inférieur, d'une pluralité d'orifices d'entrée (3) de gaz, situés sur un plan, pour un gaz de réduction. Le profil du four présente un élargissement (7) du diamètre, et un espace vide (8) est formé entre les orifices d'entrée (3) de gaz et la matière en morceaux (20). Le four selon la présente invention permet un apport de gaz réparti de manièrehomogène sur sa périphérie.

Affiliated with

Also associated with

Rating

Shaft furnace does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Shaft furnace, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Shaft furnace will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1685437