Refractory shield for superheater tubes

Details Refractory shield for superheater tubes Refractory shield for superheater tubes

1986-06-05

1987-07-28

Favors, Edward G.

Liquid heaters and vaporizers

Water tube

Wall structure

122511, 122DIG13, 165180, 432234, F22B 1500, F22B 2500, F22B 3710

Patent

active

046825681

ABSTRACT:
A superheater tube shield of refractory material comprises a pair of elongated half shields of identical interchangeable interlocking size and shape, each half shield having a semi-circular sidewall portion extending between and to diametrically opposite tongue and groove side wall portions which are assembled together about the tubes by axially inserting elongaged tongues into the elongated grooves. Refractory cement may be applied to attach the half sheilds to the tubes.

REFERENCES:
patent: 1871508 (1932-08-01), Gardner
patent: 3914100 (1975-10-01), Guskea
patent: 3969153 (1976-07-01), Suzuki et al.
patent: 4054174 (1977-10-01), Haller
patent: 4071311 (1978-01-01), Errington
patent: 4124068 (1978-11-01), Thompson
patent: 4501232 (1985-02-01), Gordbegli et al.

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