Expansion joint for reactor or heat exchanger

Details Expansion joint for reactor or heat exchanger Expansion joint for reactor or heat exchanger

1981-07-24

1984-03-06

Cline, William R.

Heat exchange

Expansion and contraction relieving or absorbing means

Relieving or absorbing means supports temperature modifier...

165158, F28F 700

Patent

active

044348401

ABSTRACT:
An expansion joint for heat exchangers, reactors, steam boilers and the like to compensate for differential displacements. Differential axis expansion occurs when the pressure within the tubes or outside the tubes is raised or when a thermal expansion of the tubes and shells are different. The invention comprises a multi-layer flexible connection between the tube sheet to shell junction. The thin layers can bend parallel and accommodate large axial displacements between the shell and tubes without excessive stresses in the tube sheets. The fully penetrated but-weld of a central layer can be easily inspected by X-ray and provide the required seal between the shell and tube sheets. Other layers increase the strength of the joint.

REFERENCES:
patent: 1809915 (1931-06-01), Smith
patent: 3812907 (1974-05-01), Linning
patent: 4215745 (1980-08-01), Tuckmantel

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