Quick test device for pressure reducing valve

Abstract

The utility model relates to a rapid test device for a pressure reducing valve. The rapid test device comprises a steam generator, an inlet pipeline, an outlet pipeline, an inlet pressure gauge, an outlet pressure gauge and a clamp, the clamp is used for clamping a to-be-detected pressure reducing valve, two ends of the inlet pipeline are respectively communicated with the steam generator and one end of the clamp, and one end of the outlet pipeline is communicated with the other end of the clamp; the inlet pressure gauge is fixedly installed on the inlet pipeline, and the outlet pressure gauge is fixedly installed on the outlet pipeline. The beneficial effects of the utility model are that the device is simple in structure and reasonable in design, can generate saturated steam and simulate the use condition of the valve, can rapidly detect the pressure reducing and adjusting functions of the pressure reducing valve and the adjusting valve, and is convenient to detect.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve test equipment technical field, concretely relates to a pressure reducing valve rapid test device. BACKGROUND

[0002] The pressure reducing valve is a valve that reduces the inlet pressure to a required outlet pressure through adjustment and relies on the energy of the medium itself to automatically maintain the stability of the outlet pressure. From the viewpoint of fluid mechanics, the pressure reducing valve is a throttling element with variable local resistance, that is, by changing the throttling area, the flow rate and kinetic energy of the fluid are changed to cause different pressure losses, thereby achieving the purpose of pressure reduction. Then, the adjustment of the control and adjustment system is relied on to balance the fluctuations of the pressure after the valve and the spring force, so that the pressure after the valve is kept constant within a certain error range.

[0003] The sealing performance and pressure regulating performance of the pressure reducing valve need to be detected during use, but there is no special set of equipment for detecting the pressure reducing valve at present. UTILITY MODEL CONTENTS

[0004] The utility model provides a pressure reducing valve rapid test device, aims at solving the problem in prior art.

[0005] The technical scheme for solving the above technical problem of the utility model is as follows:

[0006] A pressure reducing valve rapid test device, including steam generator, inlet pipeline, outlet pipeline, inlet pressure gauge, outlet pressure gauge and fixture, the fixture is used for clamping the pressure reducing valve to be detected, both ends of the inlet pipeline are in communication with the steam generator and one end of the fixture respectively, one end of the outlet pipeline is in communication with the other end of the fixture, the inlet pressure gauge is fixedly installed on the inlet pipeline, and the outlet pressure gauge is fixedly installed on the outlet pipeline.

[0007] The utility model has the advantages that: in the test process, saturated steam is generated by using the steam generator, the saturated steam enters the pressure reducing valve to be detected clamped on the fixture through the inlet pipeline, and then is discharged from the outlet pipeline, and the inlet pressure gauge and the outlet pressure gauge detect the pressure of the inlet and outlet of the pressure reducing valve, so that the sealing performance and pressure regulating performance of the pressure reducing valve are tested.

[0008] The utility model has the advantages that: in the test process, saturated steam is generated by using the steam generator, the saturated steam enters the pressure reducing valve to be detected clamped on the fixture through the inlet pipeline, and then is discharged from the outlet pipeline, and the inlet pressure gauge and the outlet pressure gauge detect the pressure of the inlet and outlet of the pressure reducing valve, so that the sealing performance and pressure regulating performance of the pressure reducing valve are tested.

[0009] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0010] Further, the installation cabinet is further provided with an inner-outer penetrating drainage hole, and a water tank is arranged at the lower part of the installation cabinet, and the water tank is located below the drainage hole.

[0011] The above further scheme has the advantages of simple structure, reasonable design, and convenient subsequent testing.

[0012] Further, the installation cabinet is further provided with an inner-outer penetrating drainage hole, and a water tank is arranged at the lower part of the installation cabinet, and the water tank is located below the drainage hole.

[0013] The above further scheme has the advantages of simple structure, reasonable design, and convenient subsequent testing.

[0014] Further, the installation cabinet is further provided with an inner-outer penetrating drainage hole, and a water tank is arranged at the lower part of the installation cabinet, and the water tank is located below the drainage hole.

[0015] The above further scheme has the advantages of simple structure, reasonable design, and convenient subsequent testing.

[0016] Further, the installation cabinet is further provided with an inner-outer penetrating drainage hole, and a water tank is arranged at the lower part of the installation cabinet, and the water tank is located below the drainage hole.

[0017] The above further scheme has the advantages of simple structure, reasonable design, and convenient subsequent testing.

[0018] Further, the installation cabinet is further provided with an inner-outer penetrating drainage hole, and a water tank is arranged at the lower part of the installation cabinet, and the water tank is located below the drainage hole.

[0019] The beneficial effect of the further scheme is that when clamping, the screw rod is manually rotated, and the screw rod is horizontally moved by the threaded connection between the screw rod and the mounting base; meanwhile, the mounting base is horizontally moved by the rotating connection between the screw rod and the mounting base, so that the mounting base is close to or away from the fixed base, so as to clamp or loosen the pressure reducing valve, and the clamping is convenient.

[0020] Further, the inlet pipeline is fixedly provided with a steam-water separator, and a water collecting tank is arranged below the steam-water separator.

[0021] The beneficial effect of the further scheme is that the structure is simple and reasonable, the water in the saturated steam is separated by the steam-water separator, and the normal operation of the subsequent test operation is ensured.

[0022] Further, a filter is further fixedly arranged on the inlet pipeline, and the filter is arranged between the steam-water separator and the steam generator.

[0023] The beneficial effect of the further scheme is that the structure is simple and reasonable, the saturated steam is filtered by the filter, and the impurities in the saturated steam are removed.

[0024] Further, a heat exchanger is further arranged, and interfaces one and two and interfaces three and four which are in communication with each other are arranged on the heat exchanger; one end of a water inlet pipeline is in communication with the interface one, and one end of a water outlet pipeline is in communication with the interface two; the other end of the water inlet pipeline and the other end of the water outlet pipeline are respectively used for connecting a water supply tank; the other end of the outlet pipeline is in communication with the interface three, and one end of a recovery pipeline is in communication with the interface four.

[0025] The beneficial effect of the further scheme is that during the test process, the water supply tank forms a cold cycle between the water inlet pipeline and the water outlet pipeline and the heat exchanger, so as to cool the saturated steam, so that the saturated steam is condensed into liquid water and recovered through the recovery pipeline.

[0026] Further, a recovery water tank is further arranged, the recovery water tank is in communication with the other end of the recovery pipeline, and a drain valve is fixedly arranged on the recovery pipeline; isolation valves are fixedly arranged on the recovery pipeline, the inlet pipeline and the outlet pipeline.

[0027] The beneficial effect of the further scheme is that the structure is simple and reasonable, and the liquid water condensed by the saturated steam is recovered by the recovery water tank. BRIEF DESCRIPTION OF DRAWINGS

[0028] Fig. 1 It is a schematic diagram of the overall structure of the utility model;

[0029] Fig. 2 It is a schematic diagram of the internal structure of the installation cabinet in the utility model;

[0030] Fig. 3 Figure 1 is a structural schematic diagram of a heat exchanger and a recovery water tank in the present application.

[0031] In the drawings, the components represented by each reference numeral are listed as follows:

[0032] 1, steam generator; 2, inlet pipeline; 3, outlet pipeline; 4, inlet pressure gauge; 5, outlet pressure gauge; 6, pressure reducing valve; 7, installation cabinet; 8, water tank; 9, fixing seat; 10, communication block; 11, supporting seat; 12, mounting seat; 13, screw rod; 14, steam-water separator; 15, water collecting tank; 16, filter; 17, heat exchanger; 18, water inlet pipeline; 19, water outlet pipeline; 20, recovery pipeline; 21, recovery water tank; 22, trap; 23, isolation valve. DETAILED DESCRIPTION

[0033] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0034] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0035] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0037] Embodiment 1

[0038] As Figs. 1 to 3 shown, the embodiment provides a quick testing device for pressure reducing valve, comprising a steam generator 1, an inlet pipeline 2, an outlet pipeline 3, an inlet pressure gauge 4, an outlet pressure gauge 5 and a clamp; the clamp is used for clamping the pressure reducing valve 6 to be detected, two ends of the inlet pipeline 2 are respectively communicated with the steam generator 1 and one end of the clamp, one end of the outlet pipeline 3 is communicated with the other end of the clamp; the inlet pressure gauge 4 is fixedly installed on the inlet pipeline 2, and the outlet pressure gauge 5 is fixedly installed on the outlet pipeline 3.

[0039] During the test, the steam generator 1 is used to generate saturated steam, the saturated steam enters the pressure reducing valve 6 to be detected clamped on the clamp through the inlet pipeline 2, and then is discharged from the outlet pipeline 3, while the inlet pressure gauge 4 and the outlet pressure gauge 5 detect the pressures at the inlet and outlet of the pressure reducing valve, so as to test the sealing performance and pressure regulating performance of the pressure reducing valve.

[0040] It should be noted that the steam generator 1, the inlet pressure gauge 4 and the outlet pressure gauge 5 are respectively existing technologies, and their specific structures and principles will not be described here.

[0041] The embodiment has simple structure and reasonable design, the device can generate saturated steam and simulate the working condition of the valve, and can quickly detect the pressure reducing and regulating functions of the pressure reducing valve and the regulating valve, so the detection is convenient.

[0042] Embodiment 2

[0043] Based on the embodiment 1, the embodiment further comprises a mounting cabinet 7, the clamp is installed in the mounting cabinet 7, and the inlet pipeline 2 and the outlet pipeline 3 respectively penetrate the mounting cabinet 7.

[0044] The scheme has simple structure and reasonable design, the clamp is assembled by the mounting cabinet 7, and the subsequent test is facilitated.

[0045] Embodiment 3

[0046] Based on the embodiment 2, in the embodiment, the mounting cabinet 7 is provided with a water drainage hole penetrating in and out, and the lower part of the mounting cabinet 7 is provided with a water tank 8, and the water tank 8 is located below the water drainage hole.

[0047] The scheme has simple structure and reasonable design, the sewage generated during the test is discharged through the water drainage hole and collected in the water tank 8, so that the test environment is kept clean and tidy.

[0048] Preferably, in the embodiment, the water tank 8 is preferably a rectangular groove.

[0049] Embodiment 4

[0050] In this embodiment, on the basis of any one of Embodiment 2 to Embodiment 3, the clamp comprises a fixed seat 9 and a movable seat, the fixed seat 9 is fixedly installed in the installation cabinet 7, hollow inside and open at both ends; one end of the inlet pipeline 2 is in communication with one end of the fixed seat 9; the movable seat is horizontally movable and positionable and is installed in the installation cabinet 7 to be close to or away from the fixed seat 9; the movable seat is provided with a cavity, and one end of the movable seat is provided with an opening for communicating the pressure reducing valve 6, and the top of the movable seat is in communication with one end of the outlet pipeline 3.

[0051] When clamping, the movable seat is horizontally moved to clamp the pressure reducing valve 6 to be detected between the movable seat and the fixed seat 9, so as to facilitate the subsequent test operation.

[0052] Preferably, in this embodiment, the above-mentioned fixed seat 9 is preferably a cylindrical structure, which is erected in the installation cabinet 7 by a support.

[0053] Embodiment 5

[0054] On the basis of Embodiment 4, in this embodiment, the outlet pipeline 3 is a flexible pipeline.

[0055] This scheme has simple structure, and it is reasonable to use a flexible pipeline as the outlet pipeline 3 to adapt to the movement of the movable seat.

[0056] Preferably, in this embodiment, the above-mentioned outlet pipeline 3 is preferably a rubber pipe or a corrugated pipe.

[0057] Embodiment 6

[0058] In this embodiment, on the basis of any one of Embodiment 4 to Embodiment 5, the movable seat comprises a communication block 10, a support seat 11, a mounting seat 12 and a screw rod 13, the support seat 11 is fixedly installed in the installation cabinet 7 and located at one end of the fixed seat 9; the communication block 10 is placed on the support seat 11 and horizontally movable, the cavity and the opening are distributed on the communication block 10, and one end of the outlet pipeline 3 is in communication with the top of the communication block 10; the mounting seat 12 is fixedly installed in the installation cabinet 7 and located at the end of the support seat 11 away from the fixed seat 9; the screw rod 13 is horizontally arranged and threadedly connected with the mounting seat 12, and one end of the screw rod 13 is rotationally connected with the other end of the communication block 10.

[0059] When clamping, the screw rod 13 is manually rotated, and the screw rod 13 is horizontally moved by the threaded connection between the screw rod 13 and the mounting seat 12; at the same time, the mounting seat 12 is horizontally moved by the rotation connection between the screw rod 13 and the mounting seat 12, so that the mounting seat 12 is close to or away from the fixed seat 9 to clamp or release the pressure reducing valve 6, and the clamping is convenient.

[0060] Embodiment 7

[0061] On the basis of the above-mentioned embodiments, in the present embodiment, a steam-water separator 14 is fixedly installed on the inlet pipeline 2, and a water collecting tank 15 is arranged below the steam-water separator 14.

[0062] The scheme has simple structure and reasonable design, and the steam-water separator 14 is used to separate water in the saturated steam, thereby ensuring normal operation of subsequent test operation.

[0063] Preferably, in the present embodiment, the steam-water separator 14 is communicated with the water collecting tank 15 through a vertically arranged water separation pipeline, and a drain valve 22 is installed on the water separation pipeline.

[0064] Embodiment 8

[0065] On the basis of the embodiment 7, in the present embodiment, a filter 16 is also fixedly installed on the inlet pipeline 2, and the filter 16 is arranged between the steam-water separator 14 and the steam generator 1.

[0066] The scheme has simple structure and reasonable design, and the filter 16 is used to filter the saturated steam to remove impurities in the saturated steam.

[0067] It should be noted that the filter 16 is a prior art, and its specific structure and principle will not be described here.

[0068] Embodiment 9

[0069] On the basis of the above-mentioned embodiments, the present embodiment further comprises a heat exchanger 17, and the heat exchanger 17 is provided with an interface one and an interface two which are communicated with each other, and an interface three and an interface four which are communicated with each other; the interface one is communicated with one end of a water inlet pipeline 18, the interface two is communicated with one end of a water outlet pipeline 19, the other end of the water inlet pipeline 18 and the other end of the water outlet pipeline 19 are respectively used to communicate with a water supply tank; the interface three is communicated with the other end of the outlet pipeline 3, and the interface four is communicated with one end of a recovery pipeline 20.

[0070] During the test, the water supply tank forms a cold cycle between the water inlet pipeline 18 and the water outlet pipeline 19 and the heat exchanger 17, so as to cool the saturated steam, so that the saturated steam is condensed into liquid water and recovered through the recovery pipeline 20.

[0071] It should be noted that the heat exchanger 17 is a prior art, and its specific structure and principle will not be described here.

[0072] Embodiment 10

[0073] On the basis of embodiment 9, this embodiment further comprises a recovery water tank 21, which is communicated with the other end of the recovery pipeline 20, and a drain valve 22 is fixedly installed on the recovery pipeline 20; a separation valve 23 is fixedly installed on the recovery pipeline 20, the inlet pipeline 2 and the outlet pipeline 3 respectively.

[0074] The scheme has simple structure and reasonable design, and utilizes the recovery water tank 21 to recover the liquid water condensed from the saturated steam.

[0075] The working principle of the utility model is as follows:

[0076] During the test process, the saturated steam generated by the steam generator 1 is filtered by the filter 16 on the inlet pipeline 2 and then enters the steam-water separator 14 for steam-water separation, and the separated saturated steam enters the pressure reducing valve 6 to be detected which is clamped on the clamp; then, the saturated steam from the pressure reducing valve 6 enters the heat exchanger 17 from the outlet pipeline 3 for heat exchange and condensation, and the liquid water formed after condensation is recovered to the recovery water tank 21;

[0077] During the process, the inlet pressure gauge 4 and the outlet pressure gauge 5 detect the pressure at the inlet and outlet of the pressure reducing valve to test the sealing performance and pressure regulating performance of the pressure reducing valve.

[0078] The test device provided by the utility model can not only be applied to the test of the pressure reducing valve 6, but also be applied to the test of the pressure regulating valve.

[0079] The utility model provides a kind of quick inspection test device for pressure reducing valve and regulating valve, its characteristics are according to the random adjustment clamping clamp of the size of the structure length of measured valve, realize the quick installation valve and complete inspection and test.The device can generate saturated steam and simulate the use condition of valve, and the pressure reducing and regulating function of pressure reducing valve and regulating valve are quickly detected.

[0080] It should be noted that all electronic components involved in the utility model are prior art, and the above-mentioned components are electrically connected with the controller, and the control circuit between the controller and each component is prior art.

[0081] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0082] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

[0083] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A rapid testing device for pressure reducing valves, characterized in that: The utility model provides a pressure reducing valve testing device, including steam generator (1), inlet pipeline (2), outlet pipeline (3), inlet pressure gauge (4), outlet pressure gauge (5) and clamp, the clamp is used for clamping the pressure reducing valve (6) to be detected, both ends of inlet pipeline (2) are communicated with steam generator (1) and one end of clamp respectively, and one end of outlet pipeline (3) is communicated with the other end of clamp, inlet pressure gauge (4) is fixedly installed on inlet pipeline (2), and outlet pressure gauge (5) is fixedly installed on outlet pipeline (3).

2. The rapid pressure relief valve testing device of claim 1, wherein: Still include installation cabinet (7), the clamp is installed in installation cabinet (7), and inlet pipeline (2) and outlet pipeline (3) respectively pass through installation cabinet (7).

3. The quick test device for a pressure reducing valve according to claim 2, characterized by: The installation cabinet (7) is provided with a drainage hole penetrating inside and outside, and the lower part of the installation cabinet (7) is provided with a water tank (8), which is located below the drainage hole.

4. The rapid pressure relief valve testing device of claim 2, wherein: The clamp includes a fixed seat (9) and a movable seat, the fixed seat (9) is fixedly installed in the installation cabinet (7), which is hollow inside and open at both ends, one end of the inlet pipeline (2) is communicated with one end of the fixed seat (9), the movable seat is installed in the installation cabinet (7) and can be horizontally moved and positioned to approach or move away from the fixed seat (9), a cavity is provided in the movable seat, and one end of the movable seat is provided with an opening for communicating with the pressure reducing valve (6), and the top of the movable seat is communicated with one end of the outlet pipeline (3).

5. The quick test device for a pressure reducing valve according to claim 4, characterized by: The outlet pipeline (3) is a flexible pipeline.

6. The rapid pressure relief valve testing device of claim 4, wherein: The movable seat includes a communication block (10), a support seat (11), a mounting seat (12), and a screw rod (13), the support seat (11) is fixedly installed in the installation cabinet (7) and located at one end of the fixed seat (9), the communication block (10) is placed on the support seat (11) and can be horizontally moved, the cavity and the opening are distributed on the communication block (10), and one end of the outlet pipeline (3) is communicated with the top of the communication block (10), the mounting seat (12) is fixedly installed in the installation cabinet (7) and located at the end of the support seat (11) away from the fixed seat (9), the screw rod (13) is horizontally arranged and threadedly connected with the mounting seat (12), and one end of the screw rod (13) is rotationally connected with the other end of the communication block (10).

7. The rapid pressure relief valve testing device of any of claims 1-6, wherein: A steam-water separator (14) is fixedly installed on the inlet pipeline (2), and a water collecting tank (15) is arranged below the steam-water separator (14).

8. The rapid pressure relief valve testing device of claim 7, wherein: A filter (16) is also fixedly installed on the inlet pipeline (2), and the filter (16) is located between the steam-water separator (14) and the steam generator (1).

9. The rapid pressure relief valve testing device of any of claims 1-6, wherein: Also include heat exchanger (17), the heat exchanger (17) is provided with mutually communicating interface one and interface two and mutually communicating interface three and interface four;The interface one with the one end of water inlet pipeline (18) communication, the interface two with the one end of water outlet pipeline (19) communication, the other end of water inlet pipeline (18) and the other end of water outlet pipeline (19) are used to communicate water supply tank respectively;The interface three with the other end of the outlet pipeline (3) communication, the interface four with the one end of recovery pipeline (20) communication.

10. The rapid pressure relief valve testing device of claim 9, wherein: Also include recovery water tank (21), the recovery water tank (21) with the other end of recovery pipeline (20) communication, the recovery pipeline (20) is fixedly installed with drain valve (22);The recovery pipeline (20), the inlet pipeline (2) and the outlet pipeline (3) are fixedly installed with isolation valve (23) respectively.

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