Trapezoidal deflectors for heat exchanger tubes

Details Trapezoidal deflectors for heat exchanger tubes Trapezoidal deflectors for heat exchanger tubes

1997-07-22

1998-09-01

Flanigan, Allen J.

Heat exchange

With protector or protective agent

165183, 1223673, 122DIG13, F28F 1900

Patent

active

057997241

ABSTRACT:
A deflector means having a trapezoidal cross section for reducing erosion of heat exchanger tubes caused by a flowing, particle-laden combustion gas produced in a fossil fuel-fired boiler, and a draft loss reduction means for use in connection with the deflector means. The deflector means preferably is attached to heat exchange tubes in a first row of a tube bank so as to precondition the combustion gas flow. The draft loss reduction means preferably is affixed to heat exchange tubes in a second row of a tube bank in order to reduce draft loss typically caused when combustion gas flows around heat exchange tubes.

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