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Semi-fusion type crucible heating device

A heating device and crucible technology, applied in the field of heating device and semi-melting crucible heating device, can solve the problems of unfavorable industrial production application, complex equipment structure and high cost, and achieve the advantages of improving performance, improving heating efficiency and prolonging service life. Effect

Inactive Publication Date: 2014-03-26
JIANGSU BOQIAN NEW MATERIALS
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

Although the melting point of the existing crucible can reach above 1600°C, it still cannot meet the heating requirements for certain metal substances with a high boiling point (boiling point temperature above 2000°C), such as metal tantalum with a boiling point of 5425°C. The equipment is heated, the equipment structure is complicated, the cost is high, and the ordinary crucible is in the heating state for a long time, and the service life is short, which is not conducive to large-scale industrial production and application

Method used

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  • Semi-fusion type crucible heating device

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Experimental program
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Effect test

Embodiment 1

[0022] The plasma heating, evaporation cooling, and physical gas phase method are used for heating, and an appropriate number of crucibles of the same or different materials are first selected to form the crucible layer 3 . When it is necessary to heat metal tantalum with a boiling point of 5425°C, first select a tantalum ingot with a suitable size as the inner layer to be heated, and then wrap a graphite crucible of the corresponding size on the outside of the tantalum ingot, and connect the cooling tank outside the crucible layer 3 1. Install graphite felt between 1.1 as the insulation layer 2, turn on the heating source 4 for heating, after a period of time, the material in the inner crucible is divided into three layers: boiling zone 5, melting zone 6, and solidification zone 7. Collect metal vapors. During the heating process, the cooling tank 1.1 is fed with cooling water, which can effectively cool down the outer crucible and ensure that the crucible layer 3 exists in t...

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Abstract

The invention discloses a semi-fusion type crucible heating device, and belongs to the technical field of crucible application. The semi-fusion type crucible heating device comprises a water cooling tank (1), a heat preservation layer (2) and a crucible layer (3). A cooling tank (1.1) is arranged in the water cooling tank (1), the heat preservation layer (2) is further arranged in the water cooling tank (1) in a filling mode, and the crucible layer (3) is arranged on the heat preservation layer (2). The semi-fusion type crucible heating device has the advantages of being capable of effectively heating materials with the boiling temperature being above 2000 DEG C and meeting the heating requirement, simple in structure, low in cost, and capable of effectively prolonging the service life of a crucible in the heating process.

Description

technical field [0001] The invention relates to a heating device, in particular to a semi-melting crucible heating device, which belongs to the technical field of crucible applications. Background technique [0002] Existing crucibles are mostly made of extremely refractory materials, such as clay, graphite, china clay, quartz or metal iron that is difficult to melt, so crucibles are often used in the high-temperature heating process of substances. In scientific research experiments or industrial production, in order to melt, boil and volatilize a certain substance or high-melting boiling point metal, first choose a crucible with a melting point higher than the boiling point of the substance or metal, and then put it into the crucible for heating and melting , boiling, volatilization. Although the melting point of the existing crucible can reach above 1600°C, it still cannot meet the heating requirements for certain metal substances with a high boiling point (boiling point ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B14/00F27B14/10
Inventor 赵登永王光杰舒丽红彭家斌
Owner JIANGSU BOQIAN NEW MATERIALS
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