Continuous heating furnace and operating method thereof
AssigneeNGK Insulators, Ltd.
InventorsSatoshi Taniguchi, Takeshi Tokunaga
Life of this patent
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Abstract
A continuous heating furnace including an inlet, a heating zone, a cooling zone and an outlet in this order, for carrying out a heat treatment while conveying at least one workpiece from the inlet to the outlet, wherein the cooling zone is configured such that an ambient gas for direct cooling of the workpiece can flow into the cooling zone from the outlet; the cooling zone includes a plurality of indirect coolers arranged in parallel in the conveying direction of the workpiece, each of the indirect coolers having at least one regulator for independently adjusting a cooling power; and the cooling zone includes one or more residual heat outlets for discharging a residual heat gas in the cooling zone.
Claims13
A continuous heating furnace comprising an inlet, a heating zone, a cooling zone and an outlet in this order, for carrying out a heat treatment while conveying at least one workpiece from the inlet to the outlet,
- wherein the cooling zone is configured such that an ambient gas for direct cooling of the workpiece can flow into the cooling zone from the outlet;
- the cooling zone comprises a plurality of indirect coolers arranged in parallel in the conveying direction of the workpiece, each of the indirect coolers having at least one regulator for independently adjusting a cooling power;
- and
- the cooling zone comprises one or more residual heat outlets for discharging a residual heat gas in the cooling zone.
Dependencies are inferred from the claim text.