Improvements in Appliances for use in connection with Mechanical Stokers, for Supplying Air to Furnaces

18,251. Vicars, J., and Vicars, J. Sept. 9. Blast apparatus.-Relates to steam-jet blast apparatus for use, more especially, in connection with mechanical stokers, whereby a sufficiency of air to ensure combustion is delivered to the fuel heaped on the dead-plate. Fig. 2 shews a sectional plan. One, two, or more cones a, d are mounted in front of openings, preferably below the fuelsupply openings, in such a way that they can be turned aside on a hinge c into the position indicated by dotted lines, or so that they can be slid aside to give access to the openings. Into the outer cone a jet of steam is delivered from a nozzle m on the end of a screwed tube n adjustable in a fixed steam-chest q.