| 摘要 |
Bird protector apparatus for attachment to the outlet end of a flue gas stack that emits flue gases into the atmosphere. The stack has a concentrically arranged outer annular member spaced from the inner stack for flow of gas therebetween. The protector apparatus prevents birds from alighting on the end of the stack as well as on the protector itself. The protector apparatus comprises a conical wire mesh screen of a size to preclude birds traveling therethrough and to freely allow flue gases to flow therethrough, and has a lower end opposed to an apex. A clamp attaches the lower end of the wire cone to the upper end of the stack, with the apex being axially aligned with the centerline of the stack. An apparatus can be included on the exterior of the wire cone to frighten birds from perching on the apex.
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