Furnace tile and expansion joint

Details Furnace tile and expansion joint Furnace tile and expansion joint

1993-12-03

1995-06-13

Yuen, Henry C.

Liquid heaters and vaporizers

Tube sheets

122DIG13, 1651341, F22B 1702, F28F 1900

Patent

active

054232945

ABSTRACT:
A protective wall structure for protecting boiler tubing in facilities using refuse as a fuel source to produce steam for electrical power generation. The protective wall structure includes an array of shielding tiles, heat transfer bonding material, and elongated compressible material. The shielding tiles include a front surface facing the interior combustion zone of the facility, a rear surface facing the boiler tubes, and a plurality of sidewall surfaces. The heat transfer bonding material is positioned between the boiler tubes and the rear surfaces of the shielding tiles to permit heat transfer and create a bond between the boiler tubes and the shielding tiles. The elongated compressible material is positioned between the sidewall perimeter surfaces of adjacent shielding tiles to provide an expansion joint. This permits relative expansion between adjacent shielding tiles without cracking upon an increase in temperature in the interior combustion zone.

REFERENCES:
patent: 4619314 (1986-10-01), Shimoda
patent: 4682568 (1987-07-01), Green et al.
patent: 4934322 (1990-06-01), Fournier et al.
patent: 5092278 (1992-03-01), Gold et al.
patent: 5094292 (1992-03-01), Buckshaw
patent: 5154139 (1992-10-01), Johnson
patent: 5154648 (1992-10-01), Buckshaw
patent: 5220957 (1993-06-01), Hance

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