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A high temperature melt unloading device for cold crucible

A technology of unloading device and high temperature melt, applied in the direction of crucible furnace, furnace, furnace type, etc., to achieve the effect of helping melting, controllable process and reducing thickness

Active Publication Date: 2019-04-19
CHINA INSTITUTE OF ATOMIC ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The unloading device of the traditional cold crucible cannot meet the requirements in the field of radioactive waste treatment. Therefore, in view of the high radioactivity problem in the field of radioactive waste treatment, it is urgent to design a unloading device that can achieve safety, reliability, simple operation, and stable operation. necessary

Method used

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  • A high temperature melt unloading device for cold crucible
  • A high temperature melt unloading device for cold crucible
  • A high temperature melt unloading device for cold crucible

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Embodiment Construction

[0022] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0023] like figure 1 As shown, a high-temperature melt unloading device for a cold crucible is mainly composed of a crucible bottom 3 and a freeze-thaw valve unloading device. Freeze-thaw valve unloading device such as image 3 As shown, it mainly includes a discharge pipe 6 and an intermediate frequency induction coil 4; the discharge pipe 6 is made of stainless steel, the discharge pipe 6 penetrates into the crucible bottom 3, and the height inserted into the cold crucible 1 is slightly higher than the thickness of the cold shell 2 That is, adopting this structural design is mainly because the magnetic permeability effect of the cold crucible 1 and the bottom 3 of the crucible itself is not as good as that of the side wall, and the thickness of the cold shell 2 is thicker than that of the side wall. Flush, when the cold glass in the discharg...

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Abstract

The invention discloses a high-temperature melt unloading device capable of achieving continuous glass solidification treatment of high-level liquid waste for a cooling crucible. The high-temperature melt unloading device comprises a crucible bottom and a freeze-thawing valve unloading device body. The freeze-thawing valve unloading device body comprises an unloading pipe and a medium-frequency induction coil. The unloading pipe is connected to the lower portion of the crucible bottom and designed to be in a sleeve mode. The unloading pipe is wound with the medium-frequency induction coil. According to the high-temperature melt unloading device, operation is easy, the process is controllable, and continuous, safe and stable operation of the device is ensured when solidification treatment is carried out on radioactive waste through the cooling crucible.

Description

technical field [0001] The invention belongs to the technical field of radioactive waste treatment, and in particular relates to a high-temperature melt unloading device for realizing continuous vitrification of a cold crucible to treat high-level radioactive waste liquid. Background technique [0002] Cold crucible vitrification technology is a kind of high frequency (10 5 ~10 6 Hz) current, which is converted into electromagnetic current through the induction coil and penetrates into the material to be heated to form an eddy current to generate heat and realize the melting technology of direct heating of the material to be processed. The cold crucible furnace body is a container composed of metal arc-shaped blocks or tubes with cooling water inside (the shape of the container is mainly round or oval), and the cooling water is passed through the metal tube during operation, so although the temperature of the molten material in the crucible can be as high as Above 2000°C, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27B14/18F27D3/14
CPCF27B14/10F27B2014/108F27D3/14
Inventor 刘丽君郄东生周慧李宝军李扬张华陈楠
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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