CN201637528U - Starting differential pressure testing system for bypass release valve of pressure reducing valve - Google Patents
Starting differential pressure testing system for bypass release valve of pressure reducing valve Download PDFInfo
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- CN201637528U CN201637528U CN2010200469613U CN201020046961U CN201637528U CN 201637528 U CN201637528 U CN 201637528U CN 2010200469613 U CN2010200469613 U CN 2010200469613U CN 201020046961 U CN201020046961 U CN 201020046961U CN 201637528 U CN201637528 U CN 201637528U
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- valve
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- reduction
- bypass
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Abstract
The utility model relates to a starting differential pressure testing system for a bypass release valve of a pressure reducing valve, which comprises a water tank, a water pump and a testing unit. A water outlet of the water tank is connected with a water inlet of the testing unit by a water inlet pipe, the water outlet of the testing unit is connected with the water inlet of the water tank by a water outlet pipe, the water pump is arranged on the water inlet pipe, the testing unit comprises a testing pipeline, the testing pipeline is provided with an installation interface for connecting the pressure reducing valve, the testing system is provided with a bypass testing pipeline used for testing the starting differential pressure of the bypass release valve of the pressure reducing valve, the water inlet end of the bypass testing pipeline is connected on the water inlet pipe between the water pump and the water inlet of the testing unit, and the water outlet end is connected on the water outlet pipe. With compact structure, reasonable layout, convenient operation, precise control and high working efficiency, the starting differential pressure testing system is designed for the starting differential pressure testing of the bypass release valve of the pressure reducing valve and adapts to the testing of the pressure reducing valves with different drift diameter.
Description
Technical field
The utility model relates to the test macro of valve, relates in particular to a kind of test macro that can test the unlatching pressure reduction of the bypass relief valve of reduction valve.
Background technology
Reduction valve all needed through strict performance test before dispatching from the factory, the reduction valve product that only reaches the standard of the dispatching from the factory sale of can dispatching from the factory.At present, the test accuracy rate that pressure reduction is opened to the bypass relief valve of reduction valve by most reduction valve manufacturing enterprises is lower, and, when testing, adopt a test pipeline usually, once be merely able to an a kind of reduction valve of model is tested, need finish the test of a plurality of reduction valve through loading and unloading repeatedly, test process is mainly by manual control, and mainly by manual record, testing efficiency is also lower for test result.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of reduction valve bypass relief valve to open the pressure reduction test macro, this test macro can be simultaneously to a plurality of reduction valve or respectively the bypass relief valve of the reduction valve of different latus rectums is opened pressure reduction and test, two-stage control by Programmable Logic Controller and industrial computer has improved the work efficiency and the accuracy of test effectively.
The technical scheme that the utility model adopted: a kind of reduction valve bypass relief valve is opened the pressure reduction test macro, it comprises water tank, water pump and test cell, the water delivering orifice of described water tank connects the water inlet of described test cell by water inlet pipe, the water delivering orifice of described test cell connects the water inlet of described water tank by rising pipe, described water pump is arranged on the described water inlet pipe, described test cell comprises testing conduit, described testing conduit is provided with the mounting interface that is used to insert tested reduction valve, described test macro is provided with and is used to test the bypass test pipeline that tested reduction valve bypass relief valve is opened pressure reduction, the water inlet end of described bypass test pipeline is connected on the described water inlet pipe between the water inlet of described water pump and described test cell, and the water side is connected on the described rising pipe.
Can be provided with stop valve A, pressure regulator valve A and the stop valve B of series connection successively on the described bypass test pipeline, also be provided with pressure transducer A, described pressure transducer A is arranged on the pipeline between described pressure regulator valve A and the stop valve B.
Can be provided with shutoff valve C and throttling valve on the described rising pipe, described shutoff valve C and throttling valve are between the water inlet of the junction of described bypass test pipeline and described rising pipe and described water tank.
Can be provided with the pressure transducer B and the pressure transducer C that lay respectively at described mounting interface both sides on the described testing conduit
The quantity of described testing conduit can be for one or more, described a plurality of testing conduit parallel connections.
The mounting interface of described a plurality of testing conduits can adopt same structure or different structure.
Can be provided with the supply valve and the pressure regulator valve B of series connection successively on the described water inlet pipe, described supply valve and pressure regulator valve B are between the junction and described test cell of described bypass test pipeline and described water inlet pipe.
Can be connected with the voltage stabilizing arm between described water inlet pipe and the rising pipe, the water inlet end of described voltage stabilizing arm can be connected on the described water inlet pipe between the junction of described water pump and described bypass test pipeline and described water inlet pipe, the water side can be connected on the described rising pipe between the import of described throttling valve and described water tank, can be provided with pressure transducer D and surplus valve on the described voltage stabilizing arm, wherein said pressure transducer D is arranged on the water inlet end pipeline of described surplus valve.
Can be respectively equipped with water outlet stop valve and water inlet stop valve on the outlet conduit of described water tank and the inlet channel.
Described reduction valve bypass relief valve is opened the pressure reduction test macro can also comprise Programmable Logic Controller and industrial computer, be electrically connected between described Programmable Logic Controller and the described industrial computer, described Programmable Logic Controller can connect described supply valve by control circuit, surplus valve, each pressure regulator valve and each stop valve, can connect each pressure transducer by signal transfering circuit, described Programmable Logic Controller can be provided with the load module that can import various parameters, show and the state of storage test process and the display module and the memory module of test result, and the alarm module that shows various malfunctions.
The beneficial effect that the utility model obtained: the utility model is to design whole system compact conformation, rationally distributed at the unlatching pressure reduction test of reduction valve bypass relief valve; Adopt the two stage control system of Programmable Logic Controller and industrial computer to control, easy to operate, control accurately, high efficiency; The design of a plurality of testing conduits of test cell make test macro can be simultaneously to a plurality of reduction valve or respectively the reduction valve of different latus rectums is tested, test result is accurate, has improved testing efficiency effectively.
Description of drawings
Fig. 1 is a systematic schematic diagram of the present utility model.
Embodiment
Referring to Fig. 1, the utility model provides a kind of reduction valve bypass relief valve to open the pressure reduction test macro, it comprises water tank 1, water pump 2 and test cell, the water delivering orifice of described water tank connects the water inlet of described test cell by water inlet pipe, for described test cell provides the test medium, the water delivering orifice of described test cell connects the water inlet of described water tank by rising pipe, test can be opened in the pressure reduction test macro at described reduction valve bypass relief valve with medium to be recycled, described water pump is arranged on the described water inlet pipe, water flow for the described water pump of convenient control, described water pump can be furnished with frequency converter, described test cell comprises testing conduit, described testing conduit is provided with the mounting interface that is used to insert tested reduction valve, and described tested reduction valve 4 can insert the unlatching pressure reduction test that described test macro carries out the bypass relief valve of reduction valve by described mounting interface.The water delivering orifice of described water tank and water inlet can be respectively equipped with stop valve 3, with convenient the water outlet and the backwater of described water tank are controlled, described test macro is provided with and is used to test the bypass test pipeline that tested reduction valve bypass relief valve is opened pressure reduction, one end (water inlet end) of described bypass test pipeline is connected on the described water inlet pipe between the water inlet of described water pump and described test cell, the other end (water side) is connected on the described rising pipe, can be provided with the stop valve A5 of series connection successively on the described bypass test pipeline, pressure regulator valve A6 and stop valve B8, also be provided with pressure transducer A7, described pressure transducer A is arranged on the pipeline between described pressure regulator valve A and the stop valve B.By control to each controlled valve on the described bypass test pipeline, can make the pressure of described test cell rear end be equal to or higher than the pressure of front end, thereby the unlatching pressure reduction of the bypass relief valve of the tested reduction valve that connects in the described test cell is tested.
Can stop described rising pipe when the test at any time to described water tank backwater and can control for convenient to the rate-of flow in the described rising pipe, can be provided with shutoff valve C 9 and throttling valve 10 successively on the described rising pipe, described shutoff valve C and throttling valve are between the water inlet of the junction of described bypass test pipeline and described rising pipe and described water tank.
Can be provided with the pressure transducer B11 and the pressure transducer C12 that lay respectively at described mounting interface both sides on the described testing conduit, when testing, the force value at described test cell two ends be gathered with convenient.
The quantity of described testing conduit can be set to one, also can be set to a plurality of, when the quantity of described testing conduit is set to when a plurality of, described a plurality of testing conduit parallel connection, the mounting interface of described a plurality of testing conduits can adopt and be respectively the mounting interface that is used to insert the mounting interface of identical reduction valve or is used to insert different latus rectum reduction valve, the structure that is these mounting interfaces can be identical, also can be different, perhaps part is identical, part is different, adopt the described testing conduit of this kind design, can test or respectively the tested reduction valve of different latus rectums be tested a plurality of described tested reduction valve simultaneously.Can also be respectively equipped with dielectric valve on the described testing conduit at described tested reduction valve two ends, when not connecting described tested reduction valve on certain described testing conduit or do not need certain described tested reduction valve on the described testing conduit to test, the stop valve that can close the above tested reduction valve two ends of corresponding described testing conduit.
Can be in series with supply valve 13 and pressure regulator valve B14 successively on the described water inlet pipe, described supply valve and pressure regulator valve B are between the junction and described test cell of described bypass test pipeline and described water inlet pipe, can control whether allowing test to enter described test cell by described supply valve with medium, can regulate the pressure of the medium in the described water inlet pipe that enters described test cell by described variable valve, make pressure medium reach the standard value of test request.
For preventing that described water pump from causing too high pressure at the front end of described water inlet pipe, be unsuitable for described tested reduction valve is tested, can be connected with the voltage stabilizing arm between described water inlet pipe and the rising pipe, one end (water inlet end) of described voltage stabilizing arm can be connected on the described water inlet pipe between the junction of described water pump and described bypass test pipeline and described water inlet pipe, the other end (water side) can be connected on the described rising pipe between the import of described throttling valve and described water tank, can be provided with pressure transducer D15 and surplus valve 16 on the described voltage stabilizing arm, wherein, described pressure transducer D is arranged on the water inlet end pipeline of described surplus valve.When the forefront pressure of the described water inlet pipe that monitors by described pressure transducer D is too high, can open the described surplus valve on the described arm, make the unnecessary rate-of flow in the described water inlet pipe return described water tank by described arm, the intake pressure that guarantees described surplus valve meets testing standard, and the pressure in the promptly described water inlet pipe meets testing standard.
Described reduction valve bypass relief valve is opened the pressure reduction test macro can also comprise Programmable Logic Controller and industrial computer, to reach handled easily, the purpose of accurate control, be electrically connected between described Programmable Logic Controller and the described industrial computer, described Programmable Logic Controller can connect described supply valve by control circuit, surplus valve, each pressure regulator valve and each stop valve, can connect each pressure transducer by signal transfering circuit, monitor to the control of each controlled valve in the test macro with to the signal of each sensor acquisition with convenient, described Programmable Logic Controller can be provided with the load module that can import various parameters, show and the state of storage test process and the display module and the memory module of test result, and the alarm module that shows various malfunctions, two-stage control by described industrial computer and described Programmable Logic Controller, make that the operator can easily the operational testing system, more intuitive facilities for observation state and test result, make the control of test macro more accurately, improved the work efficiency of test macro greatly.
Reduction valve bypass relief valve is opened the pressure reduction test process:
Each controlled valve before the test in the described test macro is in closed condition, in the test process to the control of each controlled valve opening and closing by the tester by described Controlled by Programmable Controller.
Described tested reduction valve is inserted suitable described testing conduit, open the outlet conduit of described water tank and the stop valve on the inlet channel, controlling described water pump is that described test macro supplies water, pressure and the flow of regulating described water inlet pipe front end by the described surplus valve on described frequency converter and the described arm reach the desired standard value of test, open described supply valve and pressure regulator valve B, regulate described pressure regulator valve B and observe described pressure transducer B, the pressure that makes described tested reduction valve front end is 100psi, open described stop valve A and pressure regulator valve A, regulate described pressure regulator valve A and observe described pressure transducer A and described pressure transducer B, make the interior pressure of described bypass test pipeline be lower than the pressure (as being lower than 5psi) of described tested reduction valve front end, open described stop valve B, regulate described pressure regulator valve A and observe described pressure transducer A and pressure transducer B, make the interior pressure of described bypass test pipeline be equal to or higher than the pressure of described tested reduction valve front end, monitor the force value in the described tested reduction valve exit of described pressure transducer C collection, observe when the force value of described pressure transducer C collection is higher than the force value 10psi of described pressure transducer B collection, whether the bypass relief valve of described tested reduction valve is opened automatically.
Claims (10)
1. a reduction valve bypass relief valve is opened the pressure reduction test macro, it is characterized in that it comprises water tank, water pump and test cell, the water delivering orifice of described water tank connects the water inlet of described test cell by water inlet pipe, the water delivering orifice of described test cell connects the water inlet of described water tank by rising pipe, described water pump is arranged on the described water inlet pipe, described test cell comprises testing conduit, described testing conduit is provided with the mounting interface that is used to insert tested reduction valve, described test macro is provided with and is used to test the bypass test pipeline that tested reduction valve bypass relief valve is opened pressure reduction, the water inlet end of described bypass test pipeline is connected on the described water inlet pipe between the water inlet of described water pump and described test cell, and the water side is connected on the described rising pipe.
2. reduction valve bypass relief valve as claimed in claim 1 is opened the pressure reduction test macro, it is characterized in that described bypass test pipeline is provided with stop valve A, pressure regulator valve A and the stop valve B of series connection successively, also be provided with pressure transducer A, described pressure transducer A is arranged on the pipeline between described pressure regulator valve A and the stop valve B.
3. reduction valve bypass relief valve as claimed in claim 2 is opened the pressure reduction test macro, it is characterized in that described rising pipe is provided with shutoff valve C and throttling valve, described shutoff valve C and throttling valve are between the water inlet of the junction of described bypass test pipeline and described rising pipe and described water tank.
4. reduction valve bypass relief valve as claimed in claim 3 is opened the pressure reduction test macro, it is characterized in that described testing conduit is provided with pressure transducer B and the pressure transducer C that lays respectively at described mounting interface both sides.
5. reduction valve bypass relief valve as claimed in claim 4 is opened the pressure reduction test macro, and the quantity that it is characterized in that described testing conduit is one or more, described a plurality of testing conduit parallel connections.
6. reduction valve bypass relief valve as claimed in claim 5 is opened the pressure reduction test macro, it is characterized in that the mounting interface of described a plurality of testing conduits adopts same structure or different structure.
7. reduction valve bypass relief valve as claimed in claim 6 is opened the pressure reduction test macro, it is characterized in that described water inlet pipe is provided with the supply valve and the pressure regulator valve B of series connection successively, described supply valve and pressure regulator valve B are between the junction and described test cell of described bypass test pipeline and described water inlet pipe.
8. reduction valve bypass relief valve as claimed in claim 7 is opened the pressure reduction test macro, it is characterized in that being connected with between described water inlet pipe and the rising pipe voltage stabilizing arm, the water inlet end of described voltage stabilizing arm is connected on the described water inlet pipe between the junction of described water pump and described bypass test pipeline and described water inlet pipe, the water side is connected on the described rising pipe between the import of described throttling valve and described water tank, described voltage stabilizing arm is provided with pressure transducer D and surplus valve, and wherein said pressure transducer D is arranged on the water inlet end pipeline of described surplus valve.
9. reduction valve bypass relief valve as claimed in claim 8 is opened the pressure reduction test macro, it is characterized in that being respectively equipped with water outlet stop valve and water inlet stop valve on the outlet conduit of described water tank and the inlet channel.
10. reduction valve bypass relief valve as claimed in claim 9 is opened the pressure reduction test macro, it is characterized in that also comprising Programmable Logic Controller and industrial computer, be electrically connected between described Programmable Logic Controller and the described industrial computer, described Programmable Logic Controller connects described supply valve by control circuit, surplus valve, each pressure regulator valve and each stop valve, connect each pressure transducer by signal transfering circuit, described Programmable Logic Controller is provided with the load module that can import various parameters, show and the state of storage test process and the display module and the memory module of test result, and the alarm module that shows various malfunctions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200469613U CN201637528U (en) | 2010-01-18 | 2010-01-18 | Starting differential pressure testing system for bypass release valve of pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200469613U CN201637528U (en) | 2010-01-18 | 2010-01-18 | Starting differential pressure testing system for bypass release valve of pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201637528U true CN201637528U (en) | 2010-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200469613U Expired - Lifetime CN201637528U (en) | 2010-01-18 | 2010-01-18 | Starting differential pressure testing system for bypass release valve of pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201637528U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375148A (en) * | 2021-07-14 | 2021-09-10 | 西安热工研究院有限公司 | Thermal power plant deaerator water level control device and method based on condensed water rotation speed adjustment |
-
2010
- 2010-01-18 CN CN2010200469613U patent/CN201637528U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375148A (en) * | 2021-07-14 | 2021-09-10 | 西安热工研究院有限公司 | Thermal power plant deaerator water level control device and method based on condensed water rotation speed adjustment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TAIZHOU IDC INVESTMENT CO., LTD. Free format text: FORMER OWNER: ZHEJIANG IDC FLUID CONTROL CO., LTD. Effective date: 20150408 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 317602 TAIZHOU, ZHEJIANG PROVINCE TO: 317600 TAIZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150408 Address after: 317600 Zhejiang Province, Yuhuan County City Jade Street Sha Ao Cun (electromechanical Industrial Park) Patentee after: Taizhou aidixi Investment Co. Ltd. Patentee after: IDC Plumbing & Heating Technology (Beijing) Co., Ltd. Address before: 317602 Zhejiang province Yuhuan County electromechanical Industrial Park Patentee before: Zhejiang IDC Fluid Control Co., Ltd. Patentee before: IDC Plumbing & Heating Technology (Beijing) Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101117 |