Grate cooler device for the heat treatment of bulk material

Details Grate cooler device for the heat treatment of bulk material Grate cooler device for the heat treatment of bulk material

1989-12-22

1990-10-30

Yuen, Henry C.

Heating

With work cooling structure

432137, 432 78, 110283, F27D 1502

Patent

active

049665480

ABSTRACT:
The heat treatment of solids by combustion, cooling, or the like with the aid of gas may take place on a grate conveying such solids while the gas is passed through openings in the surface of the grate. In order to provide lateral clearances of such grates with the same order of narrowness as the majority of the grate's openings, the mobile framework of the grate is suspended by tension elements inclined at an angle of at least 3 degrees relative to the perpendicular. If the mobile frame deviates from a straight course, the inclined suspension creates a centering force guiding the mobile frame without mechanical contact and wear. As a result, the lateral clearances for thermal expansion and building tolerances are reduced from about 20 to 2 mm.

REFERENCES:
patent: 3358385 (1967-12-01), Maberry
patent: 4106893 (1978-08-01), Baumann et al.
patent: 4457081 (1984-07-01), von Wedel
patent: 4600380 (1986-07-01), von Wedel
Zement-Kalk-Gips, vol. 37, 5/1984, "Are Cooling Grates Clinker Coolers or Heat Recuperators?", K. von Wedel et al, pp. 244-247.

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