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Multi-channel cooperative control of supercritical carbon dioxide pressure stabilizing device

A carbon dioxide, collaborative control technology, applied in the direction of electric fluid pressure control, etc., can solve the problems of difficult liquid level measurement, unstable interface between supercritical carbon dioxide and inert gas, and easy to be affected by changes in ambient temperature, to improve stability. pressure performance, eliminate the risk of entering the experimental loop, the effect of stable and controllable pressure

Active Publication Date: 2021-10-01
NUCLEAR POWER INSTITUTE OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is: the inert gas pressure stabilizing method is directly used in the supercritical carbon dioxide voltage stabilizing device, which is easily affected by the change of ambient temperature, and the interface between supercritical carbon dioxide and inert gas is unstable, so that the liquid level is difficult to measure 1. The risk of inert gas entering the experimental circuit is relatively high. The present invention provides a multi-channel cooperative control supercritical carbon dioxide voltage stabilizing device to solve the above problems, and solves the problem that the supercritical carbon dioxide thermal experiment circuit voltage regulator is easily affected by environmental temperature changes and the liquid level is difficult. The problem of high risk of measurement and inert gas entering the experimental circuit

Method used

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  • Multi-channel cooperative control of supercritical carbon dioxide pressure stabilizing device

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Effect test

Embodiment 1

[0018] The present embodiment provides a multi-path cooperative control supercritical carbon dioxide voltage stabilizing device, comprising a voltage stabilizer 5, the voltage stabilizer 5 is a steel voltage stabilizer tank, and the supercritical carbon dioxide is contained in the voltage stabilizer 5, The upper part of the contact cover of the voltage stabilizer 5 is provided with a cooling shell cover 3; the upper part of the cooling shell cover 3 is provided with a cooling medium input pipe, and the lower part of the cooling shell cover 3 is provided with a cooling medium output pipe; There is an electric heating element 4 for heating the supercritical carbon dioxide.

Embodiment 2

[0020] Further improvement on the basis of Example 1, the inlet temperature measuring instrument and the outlet temperature measuring instrument are respectively provided on the cooling medium input pipe and the cooling medium output pipe, and the pressure regulator 5 is also provided with a pressure transmitter 6 And regulator temperature measuring instrument 7.

Embodiment 3

[0022] Further improvement on the basis of Example 2, the electric heating element 4 is inserted through the top of the voltage stabilizer 5 after passing through the cooling shell 3, and the heating end of the electric heating element 4 is placed in the supercritical carbon dioxide interface. The voltage stabilizing device also includes a cooling machine 1, the output end of the cooling machine 1 communicates with the inlet of the cooling medium input pipe, and the input end of the cooling machine 1 communicates with the outlet of the cooling medium output pipe.

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Abstract

The invention discloses a multi-path cooperative control supercritical carbon dioxide voltage stabilizing device, which includes a voltage stabilizer, the supercritical carbon dioxide is contained in the voltage stabilizer, and a cooling shell is provided on the contact cover of the upper half of the voltage stabilizer; the cooling shell The upper part of the cooling shell is provided with a cooling medium input pipe, and the lower part of the cooling shell is provided with a cooling medium output pipe; an electric heating element is also provided in the voltage stabilizer, and the electric heating element is used for heating supercritical carbon dioxide. The invention realizes the stable and controllable state of the supercritical carbon dioxide in the voltage stabilizer, significantly improves the performance of the supercritical carbon dioxide voltage stabilizer, and eliminates the risk of heterogeneous voltage stabilizing gases in the voltage stabilizer entering the experimental circuit.

Description

technical field [0001] The invention relates to the technical field of the nuclear industry, in particular to a multi-channel coordinated control supercritical carbon dioxide pressure stabilizing device. Background technique [0002] Supercritical carbon dioxide has good physical and chemical properties, and has good application prospects in power engineering, chemical industry, medicine and other fields. It is necessary to carry out a large number of basic experimental research. When carrying out relevant experimental research, it is necessary to ensure that the pressure of the experimental circuit is relatively stable under variable working conditions, so it is necessary to install a voltage regulator in the experimental circuit. For the experimental circuit of hydraulic fluid, the inert gas regulator usually adopts the voltage stabilization scheme. Since the inert gas is basically insoluble in water, an obvious and stable interface will be formed between the inert gas an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D16/20
CPCG05D16/20
Inventor 刘光旭黄彦平刘生晖昝元锋王俊峰
Owner NUCLEAR POWER INSTITUTE OF CHINA
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