Flexible acoustic baffle for staggered tube banks

Details Flexible acoustic baffle for staggered tube banks Flexible acoustic baffle for staggered tube banks

F - Mech Eng,Light,Heat,Weapons

28

F

26/145, 257/18

F28F 7/00 (2006.01) B23P 15/26 (2006.01) F28F 9/013 (2006.01)

Patent

CA 2029226

A corrugated-shaped acoustic baffle unit for insertion into a tube bundle of a tubular-type heat exchanger having parallel staggered tubes to prevent flow-induced vibrations in the heat exchanger. The baffle unit is formed of at least two helical- shaped spacer members each rotatably attached to a flexible con- necting barrier member, such as a fabric or metal mesh material or formed by multiple adjacent bars or tubes each attached to the rotatable spacer members. The flexible corrugated-shaped baffle unit can be inserted between adjacent parallel tubes of a heat exchanger by rotating simultaneously the helical-shaped members. After insertion of the baffle unit, the ends of the helical-shaped members are connected together so as to prevent their further rotation and thereby secure the baffle unit firmly in place be- tween adjacent tubes of the heat exchanger.

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