Nitrogen pressure stabilizing experiment device with controllable outlet fluid temperature in moving condition

An experimental device, fluid temperature technology, applied in the direction of educational appliances, instruments, teaching models, etc., can solve the problems of unstable pressure and difficult control of inlet fluid temperature, and achieve the effect of reducing fluctuations

Active Publication Date: 2017-05-10
NUCLEAR POWER INSTITUTE OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a nitrogen stabilizing experiment device with controllable outlet fluid temperature under motion conditions, so as to solve the problems in the prior art that the temperature of the inlet fluid in the heating experiment section in the self-circulation experiment is difficult to control and the pressure is unstable

Method used

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  • Nitrogen pressure stabilizing experiment device with controllable outlet fluid temperature in moving condition

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Embodiment

[0021] Such as figure 1 As shown, the present invention is a nitrogen stabilizing experimental device with controllable outlet fluid temperature under the condition of motion, including the experimental device 1, the experimental device 1 is composed of a hemispherical head at the top, a cylindrical body in the middle, and a circular flat plate at the bottom by welding , set a nitrogen inlet joint 10 on the top hemispherical head, open two holes in the lower part of the middle cylinder, 180° symmetrical, weld the fluid inlet joint 5 and the fluid outlet joint 3, when used in a natural circulation circuit, the fluid The inlet connection pipe 5 is connected to the cooled fluid pipeline, the fluid outlet connection pipe 3 is connected to the heating experiment section, the nitrogen gas introduction connection pipe 10 is connected to the nitrogen source, and runs through the side wall of the experimental device 1. Six fluid temperature measurement components 2 are arranged in three...

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Abstract

The invention discloses a nitrogen pressure stabilizing experiment device with a controllable outlet fluid temperature in a moving condition. The nitrogen pressure stabilizing experiment device comprises a closed experiment device. The experiment device is internally provided with a separator plate which divides the inner chamber of the experiment device into an upper chamber and a lower chamber. The separator plate is provided with a plurality of through holes. The top of the experiment device is provided with a nitrogen introducing pipe. The sidewall of the lower chamber of the experiment device is provided with an inlet connecting pipe and an outlet connecting pipe. A plurality of electric heating rods are mounted in the lower chamber of the experiment device. The nitrogen pressure stabilizing experiment device settles problems of natural circulation loop pressure controlling and heating experiment segment inlet fluid temperature controlling in the moving condition, and furthermore satisfies a requirement of carrying out a natural circulation loop flow unstability experiment in the moving condition. Furthermore relative to the structure in which a surge tube is connected with a voltage stabilizer, the nitrogen pressure stabilizing experiment device has advantages of simple structure, easy realization and great reduction of simulation experiment cost.

Description

technical field [0001] The invention relates to the field of experimental research on flow instability of a natural circulation loop, in particular to a nitrogen pressure stabilizing experimental device with controllable outlet fluid temperature under exercise conditions. Background technique [0002] Natural circulation is a circulation method that does not need to be driven by the main pump, and it relies on the driving force generated by the height difference and density difference formed between the heat source (heating section) and the cold source (cooler) to achieve circulation. At present, the concept of natural circulation is widely used in the research and development and design of new reactors, such as the primary side passive waste heat removal system of AP1000 of Westinghouse Company in the United States, the secondary side passive waste heat removal system of China Hualong No. 1, and the Korean modular small pressurized water reactor SMART's CMT Annotation Syste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B25/00
CPCG09B25/00
Inventor 鲁晓东王艳林袁德文刘文兴黄彦平
Owner NUCLEAR POWER INSTITUTE OF CHINA
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