Devices and apparatus for injecting gas into high...

Details Devices and apparatus for injecting gas into high... Devices and apparatus for injecting gas into high...

C - Chemistry, Metallurgy

22

B

39/105, 53/361

C22B 9/05 (2006.01) B22D 1/00 (2006.01)

Patent

CA 1299878

Abstract: "DEVICES AND APPARATUS FOR INJECTING GAS INTO HIGH TEMPERATURE LIQUIDS, E.G. MOLTEN METALS" For injecting gas into a liquid, more part- icularly a molten metal, a nozzle body (24) is installed in the wall of a liquid-containment vessel, the body (24) having a nozzle passage (25) there- through. Liquid and gas tightly fitted in a down- stream end Or the passage is a solid, gas porous plug (18) having capillary gas passages (20). Up- stream of the plug (18) the passage has a gas-porous and liquid-impermeable cartridge (10) closely fitted therein which prevents liquid which may conceivably pass through the plug (18) from leaking out of the passage (25). The cartridge (10) has a gas impermeable metal sleeve (11) containing a partic- ulate material (16) such as sand which is retained in the sleeve (11) by wads (14, 15) of fibrous material at the ends of the sleeve.

559073

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