CN211317708U - Temperature alternating pressure fatigue test device for plate heat exchanger - Google Patents
Temperature alternating pressure fatigue test device for plate heat exchanger Download PDFInfo
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- CN211317708U CN211317708U CN201921385107.7U CN201921385107U CN211317708U CN 211317708 U CN211317708 U CN 211317708U CN 201921385107 U CN201921385107 U CN 201921385107U CN 211317708 U CN211317708 U CN 211317708U
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Abstract
The utility model relates to a plate heat exchanger temperature reversal pressure fatigue test device, by including high-pressure tank, plate heat exchanger, heating rod, air relief port, compressed air filling opening, pipeline, the device is the high-pressure tank, the high-pressure tank is equipped with the relief port that has the valve to and the compressed air filling opening, the compressed air filling opening links to each other with outside air compressor, and the high-pressure tank is inside to be equipped with the heating rod by lower position, and the outside is by lower position and is equipped with two pipe connection plate heat exchanger that have the valve. The utility model discloses can effectively solve simultaneously and realize carrying out safe and reliable's verification under the fatigue conversion of pressure and the temperature 80 ℃ fatigue conversion operating mode between high pressure and low pressure.
Description
Technical Field
The utility model relates to a tired test device of plate heat exchanger test pressure belongs to plate heat exchanger technical field.
Background
At present, a fatigue test device generally adopts two modes when a heat exchanger enterprise carries out a service life reliability verification test (high pressure 45 bar).
The first method is as follows: the medium of the hydraulic system is oil, and the hydraulic pump controls pressure change by using an electromagnetic valve to realize pressure circulation of pressurization, pressure maintaining and pressure relief. This arrangement resulted in plate change leakage after pressure cycling tests. The oil can overflow to pollute the ground and the equipment is not environment-friendly and is difficult to recover. And the cost of using oil as a medium is high, the oil can damage equipment when heated to 80 ℃, and temperature fatigue can not be done.
In the second mode, the medium is water, and a high-pressure water pump is used for realizing pressure circulation of pressurization, pressure maintaining and pressure relief. The 45bar high-pressure water pump used in the scheme is not available on the market, is very expensive, has high requirements on the water pump, is difficult to use in production, and cannot be used for a temperature fatigue test.
Disclosure of Invention
The utility model aims to solve the technical problem that a plate heat exchanger test pressure fatigue test device of safe and reliable, environmental protection, low cost is provided to above-mentioned prior art, can effectively solve simultaneously and realize (0 ~ 45bar) the tired experimental requirement of pressure fatigue and 80 ℃ temperature fatigue.
The utility model provides a technical scheme that its technical problem adopted as follows:
the utility model provides a tired test device of plate heat exchanger test pressure, mainly includes that inside is equipped with the high-pressure tank of water, plate heat exchanger, the high-pressure tank is equipped with air relief port, and the compressed air filling mouth is equipped with the heating device who is used for adding hot water inside, the high-pressure tank passes through heat exchanger feed liquor pipeline and heat exchanger liquid outlet pipe and connects plate heat exchanger.
Preferably, the air relief port is provided with a compressed air relief valve.
Preferably, the liquid inlet pipeline and the liquid outlet pipeline of the heat exchanger are correspondingly butted with a water inlet connecting pipe and a water outlet connecting pipe of the heat exchanger.
Preferably, a heat exchanger liquid inlet pipeline valve and a heat exchanger liquid outlet pipeline valve are correspondingly arranged on the pipelines of the heat exchanger liquid inlet pipeline and the heat exchanger liquid outlet pipeline.
Preferably, the heating device is a heating rod which is always immersed below the liquid level of the high-pressure tank.
The utility model has the advantages that: the method comprises the steps of heating water in a high-pressure tank by using a heating rod, then filling compressed air into the high-pressure tank to pressurize, controlling a valve to enable the internal pressure of a plate exchanger to reach 45bar and the water temperature to be 80 ℃, keeping the pressure for a period of time, opening a deflation valve to release pressure, and enabling hot water in the plate exchanger to flow into the high-pressure tank, so that the fatigue tests of the plate exchanger at the high pressure of 45bar and the temperature of 80 ℃ can be realized at the same time, and the method is safe, reliable, environment-friendly, low in cost, free of a hydraulic pump or a water.
Drawings
Fig. 1 is the schematic diagram of the plate heat exchanger testing pressure fatigue test device of the utility model.
1. The device comprises a high-pressure tank, a 2-compressed air injection port, a 3-compressed air relief valve, a 4-heating rod, a 5-heat exchanger liquid inlet pipeline valve, a 6-plate heat exchanger, a 7-heat exchanger liquid outlet pipeline valve, a 8-heat exchanger liquid inlet pipeline, a 9-heat exchanger liquid outlet pipeline and a 10-air relief port.
Detailed Description
The present invention will be described in further detail with reference to examples.
Referring to fig. 1, the utility model relates to a tired test device of plate heat exchanger test pressure, include by the pressure vessel, plate heat exchanger, two root canal says and constitutes. Heating water in a high-pressure tank by using a heating rod, then filling compressed air into the high-pressure tank through a compressed air filling inlet to pressurize, opening a liquid inlet pipeline valve 5 of a heat exchanger to enable the internal pressure of the plate exchanger to reach 45bar and the water temperature to reach 80 ℃, after maintaining the pressure for a period of time, opening a deflation valve of the high-pressure tank to release the pressure, and enabling hot water in the plate exchanger to flow into the high-pressure tank to achieve a fatigue test of pressure and temperature. The specific operation mode is as follows:
1. and simultaneously closing the compressed air relief valve 3, the heat exchanger liquid inlet pipeline valve 5 and the heat exchanger liquid outlet pipeline valve 7, and heating the water in the high-pressure tank to 80 ℃ by using a heating rod.
2. Compressed air is injected to 45bar from a compressed air injection port, and the inside of the plate exchanger is pressurized to 45bar by a liquid inlet pipeline valve 5 of the heat exchanger.
3. And after maintaining the pressure for a period of time, opening a compressed air relief valve 3 and a heat exchanger liquid outlet pipeline valve 7, and closing a heat exchanger liquid inlet pipeline valve 5, so that the water flow in the plate exchanger is transferred into the high-pressure tank, and the pressure relief is completed to 1 bar.
4. And (3) closing the compressed air relief valve 3, discharging a liquid pipeline valve 7 of the heat exchanger, pressurizing to 45bar in the high-pressure tank, opening a liquid inlet pipeline valve 5 of the heat exchanger, and pressurizing the interior of the plate to 45 bar.
5. Repeating the steps 3-4 for a plurality of times to carry out fatigue tests.
In addition to the above embodiments, the present invention also includes other embodiments, and any technical solutions formed by equivalent transformation or equivalent replacement should fall within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a plate heat exchanger temperature alternation pressure fatigue test device, mainly includes inside high-pressure tank (1) that is equipped with water, plate heat exchanger (6), its characterized in that: the high-pressure tank is provided with an air relief opening (10) and a compressed air injection opening (2), a heating device for heating water is arranged in the high-pressure tank, and the high-pressure tank (1) is connected with the plate heat exchanger through a heat exchanger liquid inlet pipeline (8) and a heat exchanger liquid outlet pipeline (9).
2. A plate heat exchanger temperature reversal pressure fatigue test device according to claim 1, characterized in that the air bleed port (10) is provided with a compressed air bleed valve (3).
3. A plate heat exchanger temperature alternation pressure fatigue test device according to claim 1, characterized in that the heat exchanger liquid inlet pipe (8) and the heat exchanger liquid outlet pipe (9) are butt jointed with the water inlet connecting pipe and the water outlet connecting pipe of the plate heat exchanger (6) correspondingly.
4. A plate heat exchanger temperature alternation pressure fatigue test device according to claim 1, characterized in that the heat exchanger liquid inlet pipeline valve (5) and the heat exchanger liquid outlet pipeline valve (7) are correspondingly arranged on the pipelines of the heat exchanger liquid inlet pipeline (8) and the heat exchanger liquid outlet pipeline (9).
5. A plate heat exchanger temperature alternation pressure fatigue test device according to claim 1, characterized in that the heating device is a heating rod (4) which is always immersed below the liquid level of the high-pressure tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921385107.7U CN211317708U (en) | 2019-08-26 | 2019-08-26 | Temperature alternating pressure fatigue test device for plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921385107.7U CN211317708U (en) | 2019-08-26 | 2019-08-26 | Temperature alternating pressure fatigue test device for plate heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN211317708U true CN211317708U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921385107.7U Active CN211317708U (en) | 2019-08-26 | 2019-08-26 | Temperature alternating pressure fatigue test device for plate heat exchanger |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899569A (en) * | 2021-08-17 | 2022-01-07 | 合肥通用机械研究院有限公司 | Heat exchanger performance and service life testing device and testing method using same |
| CN113933084A (en) * | 2021-10-20 | 2022-01-14 | 南京工程学院 | Heat exchanger heat exchange experiment test platform and test method |
-
2019
- 2019-08-26 CN CN201921385107.7U patent/CN211317708U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899569A (en) * | 2021-08-17 | 2022-01-07 | 合肥通用机械研究院有限公司 | Heat exchanger performance and service life testing device and testing method using same |
| CN113899569B (en) * | 2021-08-17 | 2023-10-03 | 合肥通用机械研究院有限公司 | Heat exchanger performance and service life testing device and testing method using same |
| CN113933084A (en) * | 2021-10-20 | 2022-01-14 | 南京工程学院 | Heat exchanger heat exchange experiment test platform and test method |
| CN113933084B (en) * | 2021-10-20 | 2024-05-28 | 南京工程学院 | Heat exchange experiment test platform and test method for heat exchanger |
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