Drop down corbelling

Details Drop down corbelling Drop down corbelling

F - Mech Eng,Light,Heat,Weapons

28

F

F28F 9/22 (2006.01) C10G 9/20 (2006.01) F22B 21/40 (2006.01) F24H 3/08 (2006.01)

Patent

CA 2144197

The present invention provides a mechanism device for preventing gas channeling between the sidewall and a heat exchange tube bundle located in the convection section of a horizontal tube fired heater while permitting in-situ repair of the sidewall refractory. The invention comprises a plurality of serially elongated plate members pivotably mounted on a tube and sized longitudinally to extend at a predetermined distance from the tube to the sidewall of the convection section of the heater, the number of plate members being sufficient to extend for substan- tially the length of the tube.

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