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A mechanical lifting device and method for releasing high-temperature melt

A high-temperature melting and mechanical lifting technology, applied in the direction of reducing greenhouse gases, climate sustainability, reactors, etc., can solve problems affecting the dynamic stratification behavior of melts, melt pollution, poor reliability, etc., to ensure reliability and avoid The effect of high cost and improved reliability

Active Publication Date: 2019-08-27
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing melt release devices are complex in structure, poor in reliability, and some devices will pollute the melt, thus affecting the dynamic stratification behavior of the melt

Method used

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  • A mechanical lifting device and method for releasing high-temperature melt
  • A mechanical lifting device and method for releasing high-temperature melt

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Embodiment Construction

[0031] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.

[0032] Such as figure 1 and figure 2 As shown, the present invention is a mechanical lifting device for high-temperature melt release, including a release mechanism, a connection mechanism, a sealing mechanism and a power mechanism arranged on the heating system 20 in the pressure vessel 21; the sealing mechanism is used To ensure the sealing of the lifting device and the pressure vessel, it includes a bearing block 3 connected to the pressure vessel 21, a screw 4 for connecting the pressure vessel 21 and the bearing seat 3 (hexagon socket head cap screws in this embodiment), and a screw located in the pressure v...

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Abstract

The invention provides a mechanical lifting device and method for releasing a high-temperature melt. The device comprises a releasing mechanism, a connecting mechanism, a sealing mechanism and a powermechanism, which are arranged on a heating system located in a pressure container in sequence, wherein the releasing mechanism comprises a crucible plug; the lower end of the crucible plug is taperedand the upper end of the crucible plug is in thread connection with a guide rod; the crucible plug is made of a non-conducting material and the plug is prevented from being subjected to induction heating; the connecting mechanism comprises the guide rod which is in thread connection with the crucible plug, and three twisting rods which are connected in sequence and are used for transforming horizontal displacement of a screw rod into vertical displacement of the guide rod; the power mechanism comprises a hand wheel and is used for providing power to the lifting device through rotating the hand wheel. The invention also provides the lifting method of the device. According to the mechanical lifting device and method, provided by the invention, reliable releasing of the melt can be effectively realized; the device has a simple structure and normal utilization of other equipment is not influenced, so that a feasible method is provided for researching a melt layering behavior of a nuclearpower plant reactor.

Description

technical field [0001] The invention relates to an effective and reliable release device for high-temperature molten matter used in the study of severe accidents of nuclear reactors, in particular to a mechanical lifting device and method for releasing high-temperature molten matter. Background technique [0002] The Fukushima nuclear accident in Japan is another severe nuclear meltdown accident following the Three Mile Island nuclear accidents in the United States and the Chernobyl nuclear accident in the former Soviet Union. Today, my country's nuclear power is developing rapidly and has become a clean and economical energy that replaces traditional fossil fuels, and its safety issues have also become the focus of attention. In the research and design of new generation reactors, how to prevent and mitigate severe accidents has become an important aspect to evaluate the advanced nature of reactors. [0003] In the course of severe reactor accidents, due to the different de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G21C19/10
CPCG21C19/10Y02E30/30
Inventor 李根张骏冯浩波严俊杰刘继平
Owner XI AN JIAOTONG UNIV
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