METHOD FOR FIRING FLAT PLATE ROOF TILE AND LOADING IMPLEMENT FOR FLAT ROOF TILE

PROBLEM TO BE SOLVED: To uniformly heat up bodies of plural sheets of flat plate roof tiles with good heat conduction, to fire these bodies in a time shorter than with a truck type tunnel kiln and to enhance thermal efficiency by loading the bodies on a loading implement in an inclined state and fir...

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WATANABE TSUNEHIKO
description PROBLEM TO BE SOLVED: To uniformly heat up bodies of plural sheets of flat plate roof tiles with good heat conduction, to fire these bodies in a time shorter than with a truck type tunnel kiln and to enhance thermal efficiency by loading the bodies on a loading implement in an inclined state and firing the bodies in a roller hearth kiln. SOLUTION: The roller hearth kiln 1 consists of a remaining heat zone 2, a firing zone 3 and a cooling zone 4 in Fig. Many rollers 5 are spanned horizontally at specified intervals in the central part in a vertical direction and are adapted to be rotationally driven in the same direction. A suitable number of burners 6 are arranged on the lower side of the rollers 5 in the remaining heat zone 2 and the upper side and lower side of the rollers 5 in the firing zone 3. The roof tile bodies (a) loaded on the loading implement 7 are placed on the rollers 5 and are transported in an arrow direction. Hot air flows in the direction backward from the transporting direction in the roller hearth kiln 1. A remaining heat furnace 8 having the rollers 5 is installed and is kept at 200 to 300 deg.C when the root tile bodies (a) enter the waste heat zone 2.
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SOLUTION: The roller hearth kiln 1 consists of a remaining heat zone 2, a firing zone 3 and a cooling zone 4 in Fig. Many rollers 5 are spanned horizontally at specified intervals in the central part in a vertical direction and are adapted to be rotationally driven in the same direction. A suitable number of burners 6 are arranged on the lower side of the rollers 5 in the remaining heat zone 2 and the upper side and lower side of the rollers 5 in the firing zone 3. The roof tile bodies (a) loaded on the loading implement 7 are placed on the rollers 5 and are transported in an arrow direction. Hot air flows in the direction backward from the transporting direction in the roller hearth kiln 1. 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subjects ARTIFICIAL STONE
BLASTING
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE
FURNACES
HEATING
KILNS
LIGHTING
LIME, MAGNESIA
MECHANICAL ENGINEERING
METALLURGY
OVENS
REFRACTORIES
RETORTS
SLAG
TREATMENT OF NATURAL STONE
WEAPONS
title METHOD FOR FIRING FLAT PLATE ROOF TILE AND LOADING IMPLEMENT FOR FLAT ROOF TILE
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