F - Mech Eng,Light,Heat,Weapons – 23 – L
Patent
F - Mech Eng,Light,Heat,Weapons
23
L
122/1, 9/37
F23L 5/00 (2006.01) F23J 3/00 (2006.01) F23L 13/06 (2006.01)
Patent
CA 1240221
TITLE OF INVENTION: APPARATUS FOR REGULATING AND CLEANING AN AIR PASSAGE IN THE WALL OF A FURNACE. ABSTRACT An apparatus for regulating and cleaning air passages (4) provided in the side-wall of a furnace, such as a soda recovery boiler, and connected to an air box positioned outside said wall, comprises a sleeve member reciprocatably mounted in said air box and insertable into said air passage. The rear opening of the sleeve member connects to and is supported by a hollow section of an elongate holder means which is slidably mounted in the longitudinal direction thereof and extends through the wall of said air box, and which holder means externally of said air box is operatively connected to driving means. The hollowsection of said holder means comprises at least one air inlet. In a first regulating position of the sleeve member said air inlet is within a housing member partially surrounding said hollow section to thereby substantially prevent the admission of air into said air inlet, while in a second, advanced position of the sleeve member said air inlet is at least partially outside the housing member so that air in the air box is permitted to flow through the air inlet into the sleeve member. In a modified embodiment the apparatus comprises a separate air regulating means in the form of a case member which is slidably mounted along and in an encompassing relationship with said sleeve member and holder means.
501626
Diamond Power International Inc.
Macrae & Co.
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