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Vacuum dual-chamber high temp, quenching furnace

A quenching furnace and high temperature technology, which is applied in the development of solidification and heat treatment equipment, can solve the problems of solidified samples and heat treatment equipment for which no active materials have been developed.

Inactive Publication Date: 2007-07-18
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

At present, people have developed equipment for vacuum heat treatment of ordinary materials, but have not yet developed equipment suitable for preparing solidified samples and heat treatment of active materials.

Method used

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  • Vacuum dual-chamber high temp, quenching furnace

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Embodiment Construction

[0025] As shown in Fig. 1, the present invention develops a kind of vacuum double-chamber high-temperature quenching furnace, has double-layer water-cooled heating chamber 3 (its furnace shell 34 adopts double-layer water-cooled), quenching cooling chamber 14, vacuum system 8, coolant is placed Chamber 12, coolant collection chamber 20, and movable sample placement mechanism. A graphite heating body 4 is installed in the double-layer water-cooled heating chamber 3, and its surface is sprayed with 0.2-0.3mm thick Al 2 o 3 or CaZrO 3 , through the water-cooled copper electrode 2, the electric connecting plate 29 and the external control power supply 1 are connected, the refractory material 5 (such as: carbon felt, magnesia ceramic tube, etc.) used for heat preservation outside the graphite heating body 4, the refractory material 5 and the furnace shell 34 Supported by the bracket 25 in the furnace, the whole furnace body is placed on the overall bracket 26 of the furnace, and ...

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Abstract

The present invention belongs to the field of solidification and heat treatment apparatus, and is especially one kind of vacuum double chamber quenching furnace. The main structure of the vacuum double chamber quenching furnace includes a double-layer water cooled heating chamber, a quenching cooling chamber, a vacuum pumping system, a coolant chamber, a coolant collecting chamber, and a movable sample setting mechanism. There are one graphite heater coated with Al2O3 or CaZrO3 inside the double-layer water cooled heating chamber, refractory material outside the graphite heater, one temperature thermocouple in the center of the graphite heater, etc. The vacuum double chamber quenching furnace is used mainly for preparing quenched sample and has the features of high sample heating temperature, no contamination on the sample, etc.

Description

technical field [0001] The invention belongs to the development of solidification and heat treatment equipment, in particular to a vacuum double-chamber high-temperature quenching furnace. Background technique [0002] For active materials, during the preparation of solidified samples and heat treatment under normal conditions, impurities are easily brought in by the influence of the external environment, reducing the purity of the alloy material, and it is difficult to obtain the real solidified structure and heat-treated structure. Therefore, how to prepare solidified samples of active materials and conduct accurate and effective heat treatment on active materials has become a widely concerned goal of material processing workers. At present, people have developed equipment for vacuum heat treatment of ordinary materials, but have not yet developed equipment suitable for preparing solidified samples and heat treatment of active materials. In order to better study the solid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/00C21D1/18
Inventor 马颖澈刘奎赵秀娟高明张顺南
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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