CN213685405U

CN213685405U - Thermal cycle test system for axial flow check valve

Info

Publication number: CN213685405U
Application number: CN202022721845.3U
Authority: CN
Inventors: 王秋林; 田峰; 顾春辉; 顾朝党; 尹春雨
Original assignee: SHANGHAI VALVE FACTORY CO Ltd; Shanghai Nuclear Engineering Research and Design Institute Co Ltd
Current assignee: SHANGHAI VALVE FACTORY CO Ltd; Shanghai Nuclear Engineering Research and Design Institute Co Ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-07-13
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses an axial-flow check valve thermal cycle test system, which comprises a tested valve, a thermal cycle system and a closing aid device, wherein the thermal cycle system comprises a heat storage container, a hot water test container and a hot water pump; the outlet side of the tested valve is connected with the hot water pump through a pressure pipeline, the closing assisting device is installed on the inlet side of the tested valve and is connected with the starting and closing part of the tested valve, the closing assisting device and the hot water pump are communicated through the pressure pipeline and are connected with the hot water test container to form a closed loop, and the hot water test container is connected with the heat storage container. The utility model relates to a simple and easy automatic valve cycle life test system tests the valve under certain temperature and pressure in the confined system through helping the device to close.

Description

Thermal cycle test system for axial flow check valve

Technical Field

The utility model relates to an axial-flow type check valve thermal cycle test system for valve test field.

Background

At present, the opening and closing actions of the axial flow type check valve are mostly self-driven through acting force of a medium, a complex loop system for testing needs to be built in order to verify the action reliability of the valve under a thermal state working condition, the building cost is high, the testing period is long, the accuracy of an identification result is low, and whether the opening and closing piece is in a completely opened or closed state or not can not be visually displayed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art's not enough, provide an axial-flow check valve thermal cycle test system, this system is closed system, and when the pressure of system, when temperature isoparametric reached the setting value, the accessible was applyed the mechanical force and is forced the valve to be in and opens or close the state completely to make the valve of awaiting test open and close the piece and accomplish whole process of opening and close, guaranteed the validity of test result.

One technical scheme for achieving the above purpose is as follows: the thermal cycle test system of the axial-flow check valve comprises a tested valve, a thermal cycle system and a closing assisting device, wherein the thermal cycle system comprises a heat storage container, a hot water test container and a hot water pump;

the outlet side of the tested valve is connected with the hot water pump through a pressure pipeline, the closing assisting device is installed on the inlet side of the tested valve and is connected with the starting and closing part of the tested valve, the closing assisting device and the hot water pump are communicated through the pressure pipeline and are connected with the hot water test container to form a closed loop, and the hot water test container is connected with the heat storage container.

Furthermore, isolating valves are arranged on pressure pipelines on the outlet side of the hot water test container and the side of the auxiliary closing device.

Further, the heat cycle system is connected with an external system through an external isolation valve.

Furthermore, an air cylinder controlled by an electromagnetic valve is connected to the auxiliary device.

Still further, a counter is connected to the electromagnetic valve.

Furthermore, the electromagnetic valve is connected with an intelligent control console.

Furthermore, the outlet side of the tested valve is provided with a temperature sensor and a pressure sensor, and the temperature sensor and the pressure sensor are connected with an intelligent control console.

The utility model discloses an axial-flow check valve thermal cycle test system, compare with conventional test system the utility model has the advantages of it is following:

1. the system has simple and compact structure and simple and convenient operation during test.

2. The system is less expensive to build.

3. The cycle action time is short, and the action period is controllable.

4. The force range of the valve device is controllable.

5. The test result is accurate and reliable.

6. The application range is wider.

Drawings

Fig. 1 is an installation schematic diagram of an axial flow check valve thermal cycle test system of the present invention;

fig. 2 is the utility model discloses an axial-flow check valve thermal cycle test system keep away from the schematic diagram.

Detailed Description

In order to better understand the technical solution of the present invention, the following detailed description is made by specific embodiments:

the utility model discloses an axial flow type check valve thermal cycle test system, including being surveyed valve 1, thermal cycle system and the device 3 of helping to pass to and first isolation valve 41, second isolation valve 42 and third isolation valve 43. Wherein the heat cycle system comprises a heat storage capacityA container 21, a hot water test container 22 and a hot water pump 23, the volume of the heat storage container 21 is about 19m³The volume of the hot water test container 22 is about 6m³。

Referring to fig. 1 and 2, the main system is first installed, and the installation steps are as follows:

1. the hot water pump 23 and each isolation valve are connected into the hot water test container 22 through pipelines.

2. The hot water pump 23 is connected with the outlet side of the tested valve 1 by a pipeline with the same specification as the tested valve 1.

3. The auxiliary closing device 3 is arranged at the inlet side of the tested valve 1 and is connected with the opening and closing piece of the tested valve 1.

4. The auxiliary closing device 3 and the hot water test container 22 are connected by pipelines, so that the test loop forms a closed loop system.

5. A pressure sensor and a temperature sensor 11 are attached to the outlet side of the valve 1 to be measured.

Then, the auxiliary system is installed, and the steps are as follows:

1. the counter 31 is connected to the barrier 3.

2. The auxiliary device 3 is connected with a control air source and a power supply 32.

3. The pressure sensor and the temperature sensor 11 on the outlet side of the tested valve 1, and the control air source and the power supply 32 are respectively connected to the intelligent control console 33.

Adopt the utility model discloses an axial-flow type check valve thermal cycle test system removes concrete step when testing as follows:

1. the system should be cleaned after installation.

2. And carrying out hydrostatic test on the system according to the designed highest pressure of the system, wherein the system does not allow abnormal deformation, noise or leakage.

3. The second isolation valve 42 is closed.

4. The first isolation valve 41 and the third isolation valve 43 are opened.

5. The pipeline and the pressure container are filled with water and the air is discharged through a water pump. (note: the system should be purged of gas during the water fill process by second isolation valve 42 or other suitable valve).

6. The hot water pump 23 is turned on.

7. The system pressure and temperature are brought to the set values.

8. The counter 31 is started.

9. And starting the driving device to enable the closing assisting device 3 to drive the tested valve 1 to open and close.

10. And the driving device automatically stops running after the counting is finished.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. The utility model provides an axial-flow check valve thermal cycle test system, includes by test valve, thermal cycle system which characterized in that: the heat circulation system comprises a heat storage container, a hot water test container and a hot water pump;

2. The thermal cycle testing system of an axial flow check valve of claim 1, wherein isolation valves are provided on the pressure lines on the outlet side of the hot water test vessel and the shut-off aid side.

3. The axial flow check valve thermal cycle test system of claim 1 wherein the thermal cycle system is connected to an external system through an external isolation valve.

4. The axial flow check valve thermal cycle test system of claim 1, wherein the shut-off device is coupled to a cylinder controlled by a solenoid valve.

5. The thermal cycling test system for the axial flow check valve according to claim 4, wherein a counter is connected to the solenoid valve.

6. The axial flow check valve thermal cycle test system of claim 5, wherein the solenoid valve is connected to an intelligent console.

7. The thermal cycling test system for the axial flow check valve according to claim 1, wherein the outlet side of the tested valve is provided with a temperature sensor and a pressure sensor, and the temperature sensor and the pressure sensor are connected with an intelligent console.