B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
B05B 7/04 (2006.01) B65B 7/04 (2006.01)
Patent
CA 2154606
A method and apparatus for thoroughly mixing a flow of particulate gunning material suspended within a gas with a regulated liquid flow and thereafter directing the wetted material through a nozzle toward a substrate a distance removed from the apparatus. The apparatus utilizes a water injection ring for mixing the liquid and particulate streams. The ring comprises a substantially circular member having an inner surface, an outer surface, a first end and a second end. The inner surface defines a substantially open bore extending from the first end to the second end. The circular member is further provided with liquid injection apertures, each having an inlet on the outer surface and an outlet end on the inner surface. The inner surface has a first diameter at the first end thereof and a portion operatively associated with the outlets of the injection apertures to produce a region of reduced static pressure adjacent the aperture outlets within the bore. The portion of the bore which is operatively associated with the outlets has a second diameter greater than the first diameter and is located between the first and second ends of the bore. The combined effect of a regulated liquid flow to and through the water injection ring with the reduction in static pressure thus obtained by the geometry of the ring bore ensures that the particulate is thoroughly mixed with the water.
Osler Hoskin & Harcourt Llp
Wirth Emil J. Jr.
LandOfFree
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