F - Mech Eng,Light,Heat,Weapons – 23 – Q
Patent
F - Mech Eng,Light,Heat,Weapons
23
Q
67/37
F23Q 9/00 (2006.01) F23K 3/02 (2006.01)
Patent
CA 1187304
ABSTRACT OF THE DISCLOSURE A method is provided herein for pulverized ignition fuel for igniting a pulverized-fuel annular burner flame having an internal back flow region, with the ignition energy for the annular burner flame being introduced centrally into the interior of the back flow region of the annular burner flame. The first step involves supplying the burner with a pulverized fuel/ carrier air mixture from a pulverizing plant via a primary fuel conduit. The next step involves providing a pilot light for furnishing the ignition energy, the pilot light being operated with pulverized ignition fuel having at least one of the characteristics of coarseness and consistency different from the same characteristics of the primary fuel. The next step involves withdrawing the pulverized ignition fuel for the pilot light from the primary fuel conduit through the opening of a withdrawal device which is capable of being shut off. The next stop involves processing the withdrawn pulverized ignition fuel prior to supplying it to the pilot light. The final step involves directing the withdrawal opening of the withdrawal device counter to the flow in said primary fuel conduit. Thus, the quantity of the ignition fuel/carrier air mixture withdrawn by means of the withdrawal device can be regulated in conformity with the output of the pulverizing plant.
396224
Leikert Klaus
Rennert Klaus-Dieter
Borden Ladner Gervais Llp
Steinmuller (l. & C.) G.m.b.h.
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