High-temperature and high-pressure valve action performance testing device

Abstract

The utility model relates to a valve action performance test technology, belongs to the field of steam-water system drainage, and particularly relates to a high-temperature and high-pressure valve action performance test device. The utility model provides a high-temperature and high-pressure valve action performance testing device which comprises a block valve, a pressure vessel outlet end, a pressure vessel body, a thermocouple, a connector, a pressure gauge elbow, a first stop valve, a second stop valve, a connector, a nut, a pressure gauge and a flange stop valve. The outer wall of the pressure container is coated with an electric heating device; according to the utility model, a layer of electric heating device is coated on the conventional pressure container, and the pressure and the temperature in the chamber are increased through electric heating, so that the problems that the conventional drain valve can only be subjected to a cold-state test before leaving a factory, cannot be subjected to a hot-state test and cannot be verified in cold-state test examination after leaving the factory are solved; and the phenomena of leakage, jamming, vibration and the like of the valve in actual work are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve action performance test technology belongs to steam water system drain field, concretely relates to a high temperature high pressure valve action performance test device. BACKGROUND

[0002] The existing drain valve generally only carries out cold state test before factory, cannot carry out hot state test, because using working condition valve before post pressure difference is big, temperature is high, whether valve can guarantee action performance under this working condition, cannot verify in factory cold state test's check, leads to valve to the scene, appears leakage, jam, vibration etc. INVENTION CONTENTS

[0003] To solve the above technical problem, the application provides a high temperature high pressure valve action performance test device, which guarantees the factory performance of the valve through hot state test.

[0004] The technical scheme employed by the application is as follows: a high temperature high pressure valve action performance test device, comprising a cut-off valve, a pressure container outlet end, a pressure container body, a thermocouple, a tee joint, a pressure gauge elbow, a first stop valve, a second stop valve, a joint, a nut, a pressure gauge, and a flange stop valve.

[0005] One end of the pressure container outlet end is fixedly connected with the cut-off valve, and the other end of the pressure container outlet end is fixedly connected with the pressure container body; the pressure container outlet end and the pressure container body form a pressure container.

[0006] The pressure container body is provided with a thermocouple, and the pressure container body is connected with the second stop valve through the tee joint; the other end of the tee joint is connected with the first stop valve through the pressure gauge elbow.

[0007] The first stop valve is connected with the pressure gauge through the joint and the nut.

[0008] The cut-off valve is connected with the valve to be tested through the flange stop valve.

[0009] Further, the pressure container outlet end and the pressure container body are fixedly connected in a welded manner.

[0010] Further, the pressure container outlet end and the cut-off valve are fixedly connected in a welded manner.

[0011] The application has the following beneficial effects:

[0012] The present application coats a layer of electric heating device on the existing pressure container, and the pressure and temperature in the chamber are improved through electric heating, so that the problems that the existing drain valve can only be tested in cold state before leaving the factory and cannot be tested in hot state, and the problems cannot be verified in the cold state test evaluation after leaving the factory, are solved, and the phenomena of leakage, jamming and vibration of the valve in actual work are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a high-temperature and high-pressure valve action performance test device.

[0014] In the figure: 1. stop valve, 2. pressure container outlet end, 3. pressure container body, 4. thermocouple, 5. tee joint, 6. pressure gauge elbow, 71. first stop valve, 72. second stop valve, 8. joint, 9. nut, 10. pressure gauge, 11. flange stop valve, 12. tested valve, 13. electric heating device. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following specific embodiments shown in the drawings are used to describe the utility model. However, it should be understood that these descriptions are only exemplary and not to limit the scope of the utility model. In addition, in the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0016] Embodiment:

[0017] In combination Figure 1 It is explained that a high-temperature and high-pressure valve action performance test device includes a stop valve 1, a pressure container outlet end 2, a pressure container body 3, a thermocouple 4, a tee joint 5, a pressure gauge elbow 6, a first stop valve 71, a second stop valve 72, a joint 8, a nut 9, a pressure gauge 10, a flange stop valve 11.

[0018] One end of the pressure container outlet end 2 is fixedly connected with the stop valve 1, and the other end of the pressure container outlet end 2 is fixedly connected with the pressure container body 3; the pressure container outlet end 2 and the pressure container body 3 form a pressure container.

[0019] The electric heating device 13 is coated on the outer wall of the pressure container, the thermocouple 4 is inserted on the pressure container body 3, the pressure container body 3 is connected with the second stop valve 72 through the tee joint 5, and the other end of the tee joint 5 is connected with the first stop valve 71 through the pressure gauge elbow 6;

[0020] The first stop valve 71 is connected with the pressure gauge 10 through the joint 8 and the nut 9;

[0021] The stop valve 1 is connected with the measured valve 12 through the flange stop valve 11.

[0022] Further, the pressure vessel outlet end 2 and the pressure vessel body 3 are fixedly connected by welding.

[0023] Further, the pressure vessel outlet end 2 and the pressure vessel body 3 are fixedly connected by welding.

[0024] The working principle of the utility model is as follows:

[0025] The portable pressure vessel with a chamber formed by welding the pressure vessel outlet end 2 and the pressure vessel body 3 together is filled with water through the inlet of the flange stop valve 11, then the cutoff valve 1 and the flange stop valve 11 are closed, and the container is covered with a layer of electric heating device 13 for heating. Through electric heating, the pressure and temperature in the chamber increase with the temperature, the medium temperature in the pressure vessel is read by the thermocouple 4, and the medium pressure in the pressure vessel is read by the pressure gauge 10. The test valve 12 is connected to the high-temperature and high-pressure valve action performance test device through the flange stop valve 11, the cutoff valve 1 is opened, the inlet side of the test valve 12 is directly connected to the high-temperature and high-pressure in the pressure vessel, the outlet side of the test valve 12 is connected to the atmosphere, and the high-temperature and high-pressure test working condition is formed on the test valve 12. At this time, the action performance test of the test valve 12 can be started.

Claims

1. A high-temperature high-pressure valve operation performance test device, characterized by comprising: a valve operation performance test device; a high-temperature high-pressure test device; and a valve operation performance test device controller. It include cut-off valve (1), pressure vessel outlet end (2), pressure vessel body (3), thermocouple (4), tee joint (5), pressure gauge elbow (6), first stop valve (71), second stop valve (72), joint (8), nut (9), pressure gauge (10), flange stop valve (11); One end of the pressure vessel outlet end (2) is fixedly connected with the cut-off valve (1), and the other end of the pressure vessel outlet end (2) is fixedly connected with the pressure vessel body (3); the pressure vessel outlet end (2) and the pressure vessel body (3) constitute a pressure vessel; The outer wall of the pressure vessel is coated with an electric heating device (13), and the pressure vessel body (3) is inserted with a thermocouple (4); the pressure vessel body (3) is connected with the second stop valve (72) through the tee joint (5), and the other end of the tee joint (5) is connected with the first stop valve (71) through the pressure gauge elbow (6); The first stop valve (71) is connected with the pressure gauge (10) through the joint (8) and the nut (9); The cut-off valve (1) is connected with the measured valve (12) through the flange stop valve (11).

2. The high-temperature high-pressure valve operation performance test device according to claim 1, characterized by The pressure vessel outlet end (2) and the pressure vessel body (3) are fixedly connected in a welding manner.

3. The high-temperature high-pressure valve operation performance test device according to claim 2, characterized by The pressure vessel outlet end (2) and the cut-off valve (1) are fixedly connected in a welding manner.

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