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Heat treatment device for gradient of disk component

A technology for heat treatment devices and disc-shaped parts, applied in heat treatment furnaces, heat treatment equipment, furnaces, etc., can solve the problems of small temperature gradients and low treatment temperatures, and achieve the effects of large temperature gradients, increased treatment temperatures, and high heating efficiency

Inactive Publication Date: 2012-08-22
NORTHWESTERN POLYTECHNICAL UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the shortcomings of low processing temperature and small temperature gradient of the existing disc-shaped gradient heat treatment device, the present invention provides a disc-shaped gradient heat treatment device

Method used

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  • Heat treatment device for gradient of disk component
  • Heat treatment device for gradient of disk component
  • Heat treatment device for gradient of disk component

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Embodiment Construction

[0014] Refer to attached figure 2 , the present invention includes a resistance band 1, a thermocouple 2, an upper cooling pipe 3, a circulation pump 4, an upper cooling box 5, a heat conduction salt 6, an upper furnace body 7, a terminal post 8, a lower furnace body 9, a lower cooling pipe 10 and a lower Cooling box 11. Among them, thermocouple 2, upper cooling box 5, upper cooling pipeline 10, heat conduction salt 6 and circulation pump 4 are arranged on upper furnace body 7; , heat conduction salt 6 and circulating pump 4, high-performance resistance band 1 (0Cr27Al7Mo2 iron chromium aluminum resistance band, rated heating temperature 1400 ° C, rated heating rate 10 ° C / s) is also arranged, and the edge of the disc-shaped part is tested. Radiant heating. Both the upper cooling box 3 and the lower cooling box 11 are filled with heat conducting salt 6, and the specific composition is BaCl with a mass ratio of 50%. 2 , 30% KCl and 20% NaCl, and arrange cooling pipes to p...

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Abstract

The invention discloses a heat treatment device for the gradient of a disk component. With adoption of the heat treatment device, the technical problems that the treatment temperature of the heat treatment device of the disk component is low and the temperature gradient is small can be solved; the technical scheme is as follows: an upper furnace body and a lower furnace body are respectively provided with a cooling box; a cooling pipe is rotated in the cooling box; the periphery of the cooling pipe in the cooling is filled with heat conducting salt; the cooling pipe is provided with a circulating pump; the inner wall of the lower furnace body is provided with a resistance band; the high-performance resistance band is utilized to realize high heating efficiency; the cooling water velocity is controlled through the heat conducting salt filled in the cooling box and utilizing the circulating pump, so that the treatment temperature of the gradient heat treatment device is improved and thedisk component is enabled to obtain larger temperature gradient; the heating temperature of the disk edge is improved to 1100 DEG C from 900 DEG C in a background technology; the temperature gradientof 300-500 DEG C is realized at the parts of the disk edge and a disk center to obtain the structural gradient of thick and fine isometric crystals; and double-structure turbine disk is manufactured.

Description

technical field [0001] The invention relates to a disc heat treatment device, in particular to a disc gradient heat treatment device. Background technique [0002] The document "Chinese Invention Patent Publication No. CN101845541A" discloses a resistance heating gradient heat treatment device for double alloy discs, and discloses a resistance heating gradient heat treatment device for double alloy discs. Refer to the attached figure 1 , the device consists of a gradient heat treatment furnace and a water cooling device. The gradient heat treatment furnace is composed of two semicircular furnace bodies, in which the supporting partition wall 18, the insulation cover 8 and the refractory furnace lining 15 divide the heating zone and the heat transfer zone into an inner chamber and an outer chamber. The inner chamber is surrounded by two semicircular supporting partition walls 18, the refractory furnace lining 15 and the heat preservation cover 8, and a resistance band 19 is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/00C21D9/00
Inventor 宁永权姚泽坤
Owner NORTHWESTERN POLYTECHNICAL UNIV
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