CN211178964U - Test bench of high temperature saturated hydrologic cycle - Google Patents
Test bench of high temperature saturated hydrologic cycle Download PDFInfo
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- CN211178964U CN211178964U CN202020192474.1U CN202020192474U CN211178964U CN 211178964 U CN211178964 U CN 211178964U CN 202020192474 U CN202020192474 U CN 202020192474U CN 211178964 U CN211178964 U CN 211178964U
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Abstract
The utility model discloses a test bed for high-temperature saturated water circulation, which comprises a pipeline, wherein the pipeline is divided into a main pipeline and a detection pipeline, and the main pipeline is communicated with the detection pipeline; the main pipeline is connected with a high-temperature high-pressure shielding pump, an air bag and an electric heating water storage tank; the ceramic electric heating device is characterized in that a plurality of ceramic electric heating coils are arranged on the main pipeline and connected with an electric heating control cabinet through electric wires; the detection pipeline is connected with a valve, and the detection pipelines at two ends of the valve are connected with a pressure gauge and a thermometer. The utility model can detect the valve performances including sealing performance, high temperature impact resistance, low temperature and high pressure resistance and high temperature and high pressure resistance through the design of the test bed; the performance of department's valve of detection that can be accurate makes the degree of safety of valve higher.
Description
Technical Field
The utility model relates to a valve detects, specifically indicates a test bench of high temperature saturated hydrologic cycle.
Background
At present, the medium of a known high-temperature rack for detecting the performance of a valve is generally gaseous high-temperature steam, the pressure of the steam is difficult to control, however, a large amount of medium of actual working conditions of the high-temperature valve is liquid, for example, the valve in a nuclear power plant needs to be detected by high-temperature high-pressure water, the test medium and the actual medium are different, so that the performance of the valve cannot be detected more accurately, and the sealing surface of the valve is easily damaged by long-time high-temperature steam washing; some use saturated water as the medium, and when the temperature of the water saturated water is reduced, the temperature and pressure are difficult to control. Therefore, a test bench for high-temperature saturated water circulation is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problems and providing a test bench for high-temperature saturated water circulation.
In order to achieve the purpose, the utility model provides a test bench for high temperature saturated water circulation, which comprises a pipeline, wherein the pipeline is divided into a main pipeline and a detection pipeline, and the main pipeline is communicated with the detection pipeline; the main pipeline is connected with a high-temperature high-pressure shielding pump, an air bag and an electric heating water storage tank; the ceramic electric heating device is characterized in that a plurality of ceramic electric heating coils are arranged on the main pipeline and connected with an electric heating control cabinet through electric wires; the detection pipeline is connected with a valve, and the detection pipelines at two ends of the valve are connected with a pressure gauge and a thermometer.
Further preferably, a pressurizing opening and a right stop valve are further arranged on the detection pipeline on one side of the valve.
Further preferably, a sealing detection pipe and a left stop valve are arranged on the detection pipeline on the other side of the valve, a steam discharge port is further arranged on the detection pipeline, and a steam discharge valve is arranged at the steam discharge port.
Further preferably, a safety valve is installed at the top of the air bag.
Preferably, the air bag is also connected with an air pipe, and an air stop valve is arranged on the air pipe; the air bag is connected with an air compression pump through an air pipe.
Preferably, the detection pipeline is also connected with a normally open pipeline in parallel, and the normally open pipeline is provided with a stop valve.
The utility model can detect the valve performances including sealing performance, high temperature impact resistance, low temperature and high pressure resistance and high temperature and high pressure resistance through the design of the test bed; the performance of department's valve of detection that can be accurate makes the degree of safety of valve higher.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the structure of the utility model in the direction A;
fig. 3 is a schematic diagram of the structure in the direction B of the present invention.
Illustration of the drawings: 1. a pipeline; 2. a main pipeline; 3. detecting a pipeline; 4. a high temperature high pressure canned motor pump; 5. air bags; 6. an electrically heated water storage tank; 7. a ceramic electric heating coil; 8. an electric heating control cabinet; 9. a valve; 10. a pressure gauge; 11. a thermometer; 12. a pressurizing port; 13. a right stop valve; 14. sealing the detection tube; 15. a left stop valve; 16. a steam discharge port; 17. a steam discharge valve; 18. a safety valve; 19. an air tube; 20. an air shutoff valve; 21. a gas compression pump; 22. a normally open pipe; 23. and a stop valve.
Detailed Description
The test bed of the present invention with high temperature saturated water circulation will be further described with reference to the accompanying drawings.
As shown in fig. 1-3, the high-temperature saturated water circulation test bench according to the present embodiment includes a pipeline 1, where the pipeline 1 is divided into a main pipeline 2 and a detection pipeline 3, and the main pipeline 2 is communicated with the detection pipeline 3; the main pipeline 2 is connected with a high-temperature high-pressure shielding pump 4, an air bag 5 and an electric heating water storage tank 6; the device is characterized in that a plurality of ceramic electric heating coils 7 are arranged on the main pipeline 2, and the ceramic electric heating coils 7 are connected with an electric heating control cabinet 8 through electric wires; the detection pipeline 3 is connected with a valve 9, and the detection pipelines 3 at two ends of the valve 9 are both connected with a pressure gauge 10 and a thermometer 11; a pressurizing port 12 and a right stop valve 13 are also arranged on the detection pipeline 3 on one side of the valve 9; a sealing detection pipe 14 and a left stop valve 15 are arranged on the detection pipeline 3 on the other side of the valve 9, a steam discharge port 16 is also arranged on the detection pipeline 3, and a steam discharge valve 17 is also arranged at the steam discharge port 16; a safety valve 18 is arranged at the top of the air bag 5; the air bag 5 is also connected with an air pipe 19, and an air stop valve 20 is arranged on the air pipe 19; the air bag 5 is connected with an air compression pump 21 through an air pipe 19; the detection pipeline 3 is also connected with a normally open pipeline 22 in parallel, and a stop valve 23 is installed on the normally open pipeline 22.
The utility model has the working process; firstly, water is pressed into a pipeline 1, and air in the pipeline 1 is discharged;
firstly, when the sealing performance of the valve 9 is detected: closing the stop valve 23 and the left stop valve 15, closing the valve 9 at the same time, observing whether water leaks out of the sealing detection pipe 14, wherein the sealing effect of the valve 9 is poor if water leaks out, and the sealing property is good if no water leaks out;
when the tightness of the valve 9 is detected to be qualified, the following detection can be carried out, and the stop valve 23 must be in a normally open state during the following detection to prevent the pressure from rising instantly;
when high-temperature impact is carried out: firstly, an electric heating control cabinet 8 supplies power to a ceramic electric heating coil 7 to start working, a main pipeline 2 is heated, so that water in a pipeline 1 is heated and heated, the water in the pipeline 1 is circulated through a high-temperature high-pressure shielding pump 4 to make the water temperature uniform, then the water in a detection pipeline 3 is aerated through a pressurization port 12, the flow rate of the water in the pipeline 1 is accelerated when the water flows to a valve 9, the impact is generated, the valve 9 is impacted at high temperature, and the high-temperature impact resistance is detected; when high-temperature water is used, the steam discharge valve 17 is opened, so that steam can be discharged from the steam discharge port 16, and the steam is prevented from being accumulated in the pipeline 1, so that explosion accidents caused by overlarge pressure in the pipeline 1 are avoided;
when the low-temperature high-pressure water treatment system is used for carrying out low-temperature high-pressure water, water is in a normal-temperature state and flows in the pipeline 1 in a circulating mode, the gas is supplied into the gas bag 5 through the gas compression pump 21, the pressure in the gas bag 5 is increased, the water flowing out of the gas bag 5 is high-pressure water, the valve 9 is detected through the low-temperature high-pressure water, and the performance of the valve 9 when a medium is in a low-temperature high-pressure;
when high temperature and high pressure are carried out, the ceramic electric heating coil 7 is supplied with power through the electric heating control cabinet 8, the ceramic electric heating coil is enabled to start working, the main pipeline 2 is heated, water in the pipeline 1 is heated, the air is supplied into the air bag 5 through the air compression pump 21, the pressure in the air bag 5 is increased, the water flowing out of the air bag 5 is high-temperature and high-pressure water, the valve 9 is detected through the high-temperature and high-pressure water, and the performance of the valve 9 in a medium high-temperature and high-pressure state is detected.
The utility model has the advantages that: through the design of the test bed, the valve 9 can be detected in various different performances, including sealing performance, high-temperature impact resistance, low-temperature high-pressure resistance and high-temperature high-pressure resistance; the performance of the valve 9 can be accurately detected, so that the safety degree of the valve 9 is higher; the water temperature in the pipeline 1 can be stably controlled through the arrangement of the ceramic electric heating coil 7, the electric heating control cabinet 8 and the electric heating water storage tank 6; the high-temperature and high-pressure shielding pump 4 is arranged, so that the phenomenon of uneven heating of water circulation in the pipeline 1 is avoided; the pressure in the pipeline 1 can be stably controlled to be stable through the arrangement of the air bag 5 and the air compression pump 21; through the arrangement of the steam discharge port 16 and the steam discharge valve 17, when high-temperature water is used, the steam discharge valve 17 is opened, so that steam can be discharged from the steam discharge port 16, the steam is prevented from being accumulated in the pipeline 1, and the explosion accident of the pipeline 1 caused by overlarge pressure in the pipeline 1 is prevented; the tightness of the valve 9 can be checked by the provision of the seal check tube 14.
The scope of the present invention is not limited to the above embodiments and their variations. The present invention is not limited to the above embodiments, and other modifications and substitutions may be made by those skilled in the art.
Claims (6)
1. A test bench for high-temperature saturated water circulation comprises a pipeline (1), wherein the pipeline (1) is divided into a main pipeline (2) and a detection pipeline (3), and the main pipeline (2) is communicated with the detection pipeline (3); the main pipeline (2) is connected with a high-temperature high-pressure shielding pump (4), an air bag (5) and an electric heating water storage tank (6); the device is characterized in that a plurality of ceramic electric heating coils (7) are mounted on the main pipeline (2), and the ceramic electric heating coils (7) are connected with an electric heating control cabinet (8) through electric wires; the detection pipeline (3) is connected with a valve (9), and the detection pipelines (3) at the two ends of the valve (9) are connected with a pressure gauge (10) and a thermometer (11).
2. The test bench of claim 1, wherein: and a pressurizing port (12) and a right stop valve (13) are also arranged on the detection pipeline (3) on one side of the valve (9).
3. The test bench of claim 2, wherein: the device is characterized in that a sealing detection pipe (14) and a left stop valve (15) are arranged on the detection pipeline (3) on the other side of the valve (9), a steam discharge port (16) is further arranged on the detection pipeline (3), and a steam discharge valve (17) is further arranged at the steam discharge port (16).
4. The test bench of claim 1, wherein: and a safety valve (18) is arranged at the top of the air bag (5).
5. The test bench of claim 4, wherein: the air bag (5) is also connected with an air pipe (19), and an air stop valve (20) is arranged on the air pipe (19); the air bag (5) is connected with an air compression pump (21) through an air pipe (19).
6. A high temperature saturated water cycle test rig according to claim 3, wherein: the detection pipeline (3) is further connected with a normally open pipeline (22) in parallel, and the normally open pipeline (22) is provided with a stop valve (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020192474.1U CN211178964U (en) | 2020-02-21 | 2020-02-21 | Test bench of high temperature saturated hydrologic cycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020192474.1U CN211178964U (en) | 2020-02-21 | 2020-02-21 | Test bench of high temperature saturated hydrologic cycle |
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| Publication Number | Publication Date |
|---|---|
| CN211178964U true CN211178964U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020192474.1U Active CN211178964U (en) | 2020-02-21 | 2020-02-21 | Test bench of high temperature saturated hydrologic cycle |
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| Country | Link |
|---|---|
| CN (1) | CN211178964U (en) |
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2020
- 2020-02-21 CN CN202020192474.1U patent/CN211178964U/en active Active
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