Refractory protective blocks and protective wall structure of bo

Details Refractory protective blocks and protective wall structure of bo Refractory protective blocks and protective wall structure of bo

1996-08-29

1998-12-08

Walberg, Teresa J.

Liquid heaters and vaporizers

Supports

122511, 122 6A, 122DIG13, F22B 3724

Patent

active

058456104

ABSTRACT:
A refractory protective block protects heat exchange means connecting tubes to fins. The refractory protective block has an inside complementary shape corresponding to the surface shape of the heat exchange means and the refractory protective block is provided with recesses into which projections formed on the tubes are fitted and received. A pair of projections formed on the two adjacent tubes in the heat exchange means are arranged so as to confront each other. The refractory protective block has a high durability which does not break even when heat exchange means expand more than the refractory block at the time of the repetition of heating and cooling and which enable the dispersion of strain at the time of the repetition of expansion and contraction.

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Experience with Silicon-Carbide Tiles in Mass-Fired Refuse Boilers, Corrosion 93, The Nace Annual Conference and Corrosion Show, Paper No. 219, Larry Strach David T. Wasyluk, pp. 219/1 -219/10.

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