High velocity particulate containing fluid jet apparatus and pro

Fluid sprinkling – spraying – and diffusing – Combining of separately supplied fluids – Plural inlets to one stream from another

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51439, 239600, B05B 714, B24C 504

Patent

active

044783680

ABSTRACT:
Apparatus and process for introducing solid particles into fluid streams under accurate control. Several embodiments of nozzle apparatus are disclosed utilizing a central fluid orifice or orifices and peripheral solids orifices for mixing the solids into the fluid stream. When multiple fluid orifices are utilized, an area of lower pressure is formed in the central portion of the combined fluid stream thereby aiding in the mixture of the solids into the fluid stream. A flow shaping nozzle is provided at the exit of the apparatus to increase the mixing of the solids within the fluid jets stream. The flow shaping nozzle may have both axial and radial freedom of movement for forming the fluid-solids stream and self-alignment, respectively. The apparatus and process of this invention, in one preferred embodiment, involves introduction of the solids in the form of a foam into the fluid jet stream. The apparatus and process of this invention is particularly well suited for abrasive uses of cutting hard materials such as reinforced concrete and steel, as well as utilization with a peripheral air shroud for underwater purposes.

REFERENCES:
patent: 1107244 (1911-07-01), Carter
patent: 2447123 (1944-08-01), Jones
patent: 2508766 (1946-12-01), Morel
patent: 3424386 (1966-02-01), Maasberg

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