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Static pressure measuring device and resin particle layered liquid level measuring device and method

A measuring device and static pressure technology, applied in the direction of measuring devices, measuring fluid pressure, lubrication indicating devices, etc., can solve the problems of high failure rate, low accuracy, and difficulty in real-time measurement, and achieve low cost, safe detection, and avoidance Measuring the effect of failure

Inactive Publication Date: 2021-08-13
NUCLEAR POWER INSTITUTE OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the waste resin storage tank is opaque and radioactive, the traditional floating ball measurement method is difficult to measure the solid-liquid interface and the total liquid level in real time, with a high failure rate and low accuracy. Therefore, other methods are needed to achieve Real-time measurement of liquid level

Method used

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  • Static pressure measuring device and resin particle layered liquid level measuring device and method
  • Static pressure measuring device and resin particle layered liquid level measuring device and method
  • Static pressure measuring device and resin particle layered liquid level measuring device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] This embodiment provides a static pressure measurement device, including a pressure measurement sensor 16 and a probe lead-out line 11, and also includes a lead-out tube 2, a probe sleeve 15, a flexible sealing ring 18 and a flexible sealing sleeve 17;

[0049] The probe sleeve 15 and the lead-out tube 2 are both circular tube structures, and the top of the probe sleeve 15 is detachably connected to the bottom end of the lead-out tube 2; the top of the probe sleeve 15 is preferably designed to be sealed and connected to the bottom end of the lead-out tube 2 through the connector 10 , the connecting piece 10 adopts a threaded structure and a sealing ring, so as to realize the screw-tight connection between the probe sleeve 15 and the outlet pipe 2 .

[0050] The top port of the probe sleeve 15 fully covers the probe sealing plate; the outer wall of the pressure measurement sensor 16 is provided with a flexible sealing ring 18; The sealing sleeve 17 is cup-shaped; the pro...

Embodiment 2

[0055] This embodiment provides a kind of resin particle layered liquid level measuring device, it is characterized in that, comprises liquid level gauge 3, calculator and display and a kind of static pressure measuring device that embodiment 1 provides; Liquid level gauge 3 is used for measuring And output the height of the cavity above the liquid surface in the storage tank; the static pressure measuring device is used to measure and output the static pressure at the bottom of the storage tank; the bottom end of the lead-out pipe 2 extends into the storage tank to ensure that the probe sleeve 15 is placed in the storage tank inner bottom.

[0056] The signal output terminals of the liquid level gauge 3 and the static pressure measuring device are connected to the input terminal of the arithmetic unit; the arithmetic unit is used to receive the height of the cavity above the liquid level in the storage tank, the static pressure at the bottom of the storage tank, and combine th...

Embodiment 3

[0059] This embodiment provides a resin particle layered liquid level measurement method, using a resin particle layered liquid level measurement device provided in Example 2, and the specific operation steps are as follows:

[0060] S1. Install a liquid level gauge at the top of the storage tank, and install a static pressure measuring device at the bottom of the storage tank;

[0061] S2. Input the waste resin into the storage tank, and let it stand for stratification;

[0062] S3. Measure and output the height of the cavity above the liquid level in the storage tank through the liquid level gauge;

[0063] S5. Measure and output the static pressure at the bottom of the storage tank through the static pressure measuring device;

[0064] S6. Receive the height of the cavity above the liquid level in the storage tank, the static pressure at the bottom of the storage tank, and combine the structural parameters of the storage tank and the performance parameters of the contents ...

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Abstract

The invention discloses a static pressure measuring device and a layered liquid level measuring device and method. The top end of a probe sleeve is detachably connected with the bottom end of a lead-out pipe; a probe sealing plate is arranged at the top end of the probe sleeve; the probe sealing plate, the flexible sealing sleeve and the probe sleeve define a sealing cavity, and a pressure measurement sensor is mounted in the sealing cavity; a flexible sealing ring is arranged in an annular space between the outer wall of the pressure measurement sensor and the inner wall of the flexible sealing sleeve; the lead-out pipe is used for installing a probe lead-out wire, and the probe lead-out wire is electrically connected with the pressure measurement sensor. The invention aims to solve the problem of layered liquid level measurement of opaque and radioactive solid-liquid mixed storage. The device provided by the invention is beneficial to real-time measurement of the storage volume and the total liquid level of the resin in the waste resin storage tank on site, and the measurement is efficient, safe and reliable.

Description

technical field [0001] The invention relates to the technical field of nuclear industry detection, in particular to a static pressure measuring device, a resin particle layered liquid level measuring device and a method. Background technique [0002] In the field of nuclear industry, resin is often used as the purification treatment medium of the water system. After the resin particles reach the service life, they need to be discharged into the waste resin storage tank for temporary storage for subsequent treatment and transfer. [0003] After the resin particles stored in the waste resin storage tank are left to stand, the particles will settle and the solid-liquid separation will occur. It is necessary to master the solid-liquid volume ratio in the waste resin storage tank for the post-treatment of waste resin. Because the waste resin storage tank is opaque and radioactive, the traditional floating ball measurement method is difficult to measure the solid-liquid interface...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L9/00G01L19/14G01F23/00G01B21/08
CPCG01L9/00G01L19/14G01F23/00G01B21/08Y02E30/30
Inventor 李可天何潘庆马小春胡文琪李正义李林洪陈梦雪陆星王雷江易蔚何川刘震吴瑞
Owner NUCLEAR POWER INSTITUTE OF CHINA