F - Mech Eng,Light,Heat,Weapons – 23 – K
Patent
F - Mech Eng,Light,Heat,Weapons
23
K
110/18
F23K 3/00 (2006.01) B01F 3/18 (2006.01) B01F 13/02 (2006.01) B65G 53/66 (2006.01) C21B 5/00 (2006.01) F23K 3/02 (2006.01)
Patent
CA 2009766
The method consists in forming in a single metering device a pneumatic mixture comprising the powdered substances and the propellent gas, in propelling this mixture through a common main (18) into a distributor (20) in which the mixture is split into secondary currents which are sent to each of the injection paints respectively through secondary pipes ( 22 1, 22 2, ... 22n), in determining the flow rate in each of the secondary pipes (22 1, 22 2, ... 22n) by the tuyere (28 1, 28 2, ... 28n) flow cross-sections anti in influencing the transport conditions in each secondary pipe (22 1, 22 2, ... 22n) by acting on the pressure P3 downstream frown each tuyere (28 1, 28 2, ... 28n) in order to maintain this pressure at a determined value. The method is aimed more particularly at the injection of powdered coal into a blast furnace.
Kroemmer Yvon
Schmit Louis
Ulveling Leon
Gowling Lafleur Henderson Llp
Paul Wurth S.a.
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