CN220583672U - Online verification system of elastic element type general pressure gauge - Google Patents
Online verification system of elastic element type general pressure gauge Download PDFInfo
- Publication number
- CN220583672U CN220583672U CN202321968834.2U CN202321968834U CN220583672U CN 220583672 U CN220583672 U CN 220583672U CN 202321968834 U CN202321968834 U CN 202321968834U CN 220583672 U CN220583672 U CN 220583672U
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- China
- Prior art keywords
- pressure gauge
- stop valve
- pressure
- way stop
- verification
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- 238000012795 verification Methods 0.000 title claims abstract description 45
- 239000007788 liquid Substances 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Pipeline Systems (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides an elastic element type general pressure gauge online verification system which comprises a three-way stop valve, wherein one end of the three-way stop valve is connected with a pressure gauge to be detected, the other end of the three-way stop valve is sequentially connected with the stop valve and a pressure pipeline through pipelines, the three-way stop valve is connected with a pressure gauge verification device through a pressure hose, and a standard pressure gauge is connected with the pressure gauge verification device. The online verification system can realize the online verification work without disassembling the pressure gauge.
Description
Technical Field
The utility model relates to the technical field of online verification of pressure gauges, in particular to an online verification system of an elastic element type general pressure gauge.
Background
The elastic element type general pressure gauge is used as monitoring equipment for safe and stable operation of pressure equipment, and is widely applied to systems such as heating power pipe networks, oil and gas transmission, water supply and gas supply and the like, particularly in industrial process control and technical measurement processes. In order to ensure the use precision of the pressure gauge, the verification period is half a year according to the requirements of the national verification regulations, the pressure gauge is usually disassembled from equipment and sent to a laboratory for verification and then is assembled again, the repeated disassembly and assembly are extremely easy to cause the risk of damage and leakage of the pipeline or the pressure gauge, and the verification mode is long in time consumption and low in efficiency.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an elastic element type general pressure gauge online verification system which can realize online verification work without disassembling the pressure gauge.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an on-line verification system of general manometer of elastic element formula, includes three way stop valve, and the one end of three way stop valve is connected to the manometer of being examined, and the other end of three way stop valve is connected with stop valve and pressure pipeline in proper order through the pipeline, and three way stop valve passes through the pressure hose and is connected with manometer calibrating installation, and standard manometer is connected with manometer calibrating installation.
In the preferred scheme, connect the gas-liquid isolator on the pressure hose, the gas-liquid isolator sets up and connects between tee bend stop valve and manometer calibrating installation.
In a preferred scheme, the height difference between the detected pressure gauge and the standard pressure gauge is smaller than 9 meters.
According to the elastic element type general pressure gauge online verification system provided by the utility model, when in online verification, the three-way stop valve is switched, the detected pressure gauge is communicated with the pressure gauge verification device, the stop valve is stopped, the pressure gauge verification device, the standard pressure gauge and the detected pressure gauge form a closed loop, verification of the detected pressure gauge is realized through comparison of the standard pressure gauge and the detected pressure gauge, compared with a traditional verification mode, the on-site pressure gauge verification process is simplified, the pressure gauge online verification can be flexibly carried out, the verification efficiency is improved, the damage and leakage risks of the gauge and the pipeline possibly caused by long-term disassembly verification of the pressure gauge are effectively avoided, and the service life of the pressure gauge is prolonged.
Drawings
The utility model is further described below with reference to the accompanying drawings and examples of implementation:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
in the figure: the device comprises a pressure pipeline 1, a stop valve 2, a three-way stop valve 3, a pressure gauge 4 to be detected, a gas-liquid isolator 5, a pressure hose 6, a pressure gauge calibrating device 7 and a standard pressure gauge 8.
Detailed Description
As shown in FIG. 1, the elastic element type general pressure gauge online verification system comprises a three-way stop valve 3, one end of the three-way stop valve 3 is connected with a detected pressure gauge 4, the other end of the three-way stop valve 3 is sequentially connected with the stop valve 2 and a pressure pipeline 1 through pipelines, the three-way stop valve 3 is connected with a pressure gauge verification device 7 through a pressure hose 6, a standard pressure gauge 8 is connected with the pressure gauge verification device 7, and the pressure gauge verification device 7 is in a ConST811A model.
When in online detection, the three-way stop valve 3 is switched, the detected pressure gauge 4 is communicated with the pressure gauge calibrating device 7, and the stop valve 2 is cut off; when the detected pressure gauge 4 works normally, the stop valve 2 is communicated, and a passage between the detected pressure gauge 4 and the pressure gauge verification device 7 is stopped.
Preferably, the pressure hose 6 is connected with a gas-liquid isolator 5, the gas-liquid isolator 5 is arranged between the three-way stop valve 3 and the pressure gauge calibrating device 7, and the gas-liquid isolator 5 is specifically selected from ConST100-4 model.
By arranging the gas-liquid isolator 5, the medium in the pipeline where the pressure gauge 4 to be detected is located can be isolated during online detection, and the medium is prevented from entering the pressure gauge verification device 7 to cause pollution.
The on-line verification steps are as follows:
when on-line detection is carried out, the on-site temperature is controlled according to the requirement of the table, and the height difference between the detected pressure gauge 4 and the standard pressure gauge 8 is smaller than 9 meters.
When in detection, the stop valve 2 is closed to cut off the passage between the stop valve 2 and the pressure gauge 4 to be detected, the three-way stop valve 3 is switched to be communicated with the pressure gauge 4 to be detected and the gas-liquid isolator 5, and the pressure gauge calibrating device 7, the standard pressure gauge 8 and the pressure gauge 4 to be detected form a closed loop.
And carrying out online verification of the pressure gauge according to a JJG52 verification rule, switching the three-way stop valve 3 to be communicated with the detected pressure gauge 4 and the stop valve 2 after the verification is finished, cutting off the connection between the detected pressure gauge 4 and the gas-liquid isolator 5, and opening the stop valve 2 to be communicated with the detected pressure gauge 4 and the pressure pipeline 1.
Compared with the traditional verification mode, the on-line verification system simplifies the on-site pressure gauge verification process, can flexibly carry out the on-line verification of the pressure gauge, improves the verification efficiency, effectively avoids the damage and leakage risks of the gauge and the pipeline, which are possibly caused by the long-term disassembly verification of the pressure gauge, and prolongs the service life of the pressure gauge.
Claims (3)
1. An elastic element type general pressure gauge on-line verification system is characterized in that: the pressure gauge detection device comprises a three-way stop valve (3), wherein one end of the three-way stop valve (3) is connected with a detected pressure gauge (4), the other end of the three-way stop valve (3) is sequentially connected with the stop valve (2) and a pressure pipeline (1) through pipelines, the three-way stop valve (3) is connected with a pressure gauge detection device (7) through a pressure hose (6), and a standard pressure gauge (8) is connected with the pressure gauge detection device (7).
2. The spring element type on-line verification system for general pressure gauges according to claim 1, wherein: the pressure hose (6) is connected with the gas-liquid isolator (5), and the gas-liquid isolator (5) is arranged between the three-way stop valve (3) and the pressure gauge calibrating device (7).
3. The spring element type on-line verification system for general pressure gauges according to claim 1, wherein: the height difference between the detected pressure gauge (4) and the standard pressure gauge (8) is smaller than 9 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321968834.2U CN220583672U (en) | 2023-07-25 | 2023-07-25 | Online verification system of elastic element type general pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321968834.2U CN220583672U (en) | 2023-07-25 | 2023-07-25 | Online verification system of elastic element type general pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220583672U true CN220583672U (en) | 2024-03-12 |
Family
ID=90110934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321968834.2U Active CN220583672U (en) | 2023-07-25 | 2023-07-25 | Online verification system of elastic element type general pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220583672U (en) |
-
2023
- 2023-07-25 CN CN202321968834.2U patent/CN220583672U/en active Active
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