Post weld heat treatment of shell and tube heat exchangers

Details Post weld heat treatment of shell and tube heat exchangers Post weld heat treatment of shell and tube heat exchangers

C - Chemistry, Metallurgy

21

D

257/18, 38/19

C21D 1/00 (2006.01) C21D 9/00 (2006.01)

Patent

CA 1067694

POST WELD HEAT TREATMENT OF SHELL AND TUBE HEAT EXCHANGERS ABSTRACT An apparatus and method is provided for heat treating a tubular type heat exchanger. The method aspect of the invention includes steps of heating a fluid in a heating means, passing the heated fluid through the tube bundle, measuring the temperature of the heat exchanger at a plurality of points therein and controlling the rate at which the fluid is heated. The apparatus of the present invention comprises means for passing a heating fluid into the heat exchanger, means for heating the fluid, means for measuring the temperature of the heat exchanger at a plurality of points therein, and means for controlling the amount of heat applied to the tubes.

326458

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