C - Chemistry – Metallurgy – 10 – B
Patent
C - Chemistry, Metallurgy
10
B
202/51
C10B 21/02 (2006.01) C10B 5/12 (2006.01)
Patent
CA 1230575
A b s t r a c t Nozzle plate construction for underjet coke ovens The nozzle plate construction described is for distributing and metering combustion-supporting air supplied upwardly to the regenerators through a sole flue (1) parallel to the chamber axis, the sole flue being closed at the top by plate elements (6) disposed releasably in end-to-end relationship, the plate elements being borne by side ledges (5) of the sole flue (1). The various plate elements (6) are in the form of a trough having a plane baseplate (7) and low longitudinal walls (8) and are formed with at least one longitudinal gap (9) in the baseplate (7). Associated with each longitudinal gap (9) is a metering element (16) so mounted at its ends as to be vertically adjustable, by means of adjusting screws (15), in its distance from the plane of the plate. The metering element (16) associated with a longitudinal gap (9) takes the form of a metal section member such as a T-member or angle member or tube. By means of the adjusting screws (15) each individual metering element (16) can be adjusted to be at different heights from the baseplate and therefore from the longitudinal gap (9). Fine adjustment of the effective flow cross-sections between the edges of the longitudinal gap (9) and the metering element (16) is therefore readily possible. To obviate cross- flows between the various regenerator portions an additional seal is provided below each partition. Such additional seal mainly comprises an inserted thin- walled flexible steel tube (20) having felt strips (21) secured to its ends. Fig. 3.
466120
Halbherr Gerd
Spindeler Heinz
Wackerbarth Folkard
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Otto (dr. C.) & Comp. Gesellschaft Mit Beschrankter Haftung
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