Device for measuring internal cleanliness of valve

Abstract

The utility model discloses a device for measuring the internal cleanliness of a valve, which comprises an air inlet joint, a functional assembly, a valve to be measured, an air outlet pipeline and an air outlet joint, the functional assembly is arranged at one end of the air inlet joint, the valve to be measured is arranged at one end of the functional assembly, and the air outlet pipeline is arranged at one end of the valve to be measured. The air outlet connector is arranged at one end of the air outlet pipeline and used for being connected with a tiny dust tester. According to the utility model, by utilizing the design of the functional assembly and the to-be-tested valve, required gas flow can be conveyed through the specified flow gas pipeline during testing, whether the dust quantity is qualified or not can be detected through the dust tester, and meanwhile, the pressure difference of the to-be-tested valve can be measured through the CV value comparison pipeline; and comparing with a standard valve to detect whether the flow capacity of the to-be-detected valve is qualified or not, so that the detection modes of the to-be-detected valve are diversified and are integrated in one device, and the placement space of the device is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve detection equipment field, especially a device for measuring valve internal cleanliness. BACKGROUND

[0002] Valve internal cleanliness detection, usually can use particle contamination detection mode, through flushing equipment and particle counter, measure cleanliness to the number of contaminant particles.

[0003] But this kind of measuring equipment only has one detection mode, and the detection means is single, if other ways of detection need to be used, other detection devices need to be placed, thereby leading to occupying a large amount of space. UTILITY MODEL CONTENT

[0004] The utility model discloses a device for measuring valve internal cleanliness to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a device for measuring valve internal cleanliness, comprising:

[0006] Air inlet joint, the air inlet joint is used for air intake;

[0007] Functional assembly, the functional assembly is arranged at one end of air inlet joint, and the functional assembly is used for valve multiple detection;

[0008] Valve to be measured, the valve to be measured is arranged at one end of functional assembly;

[0009] Gas outlet pipeline, the gas outlet pipeline is arranged at one end of valve to be measured;

[0010] Gas outlet joint, the gas outlet joint is arranged at one end of gas outlet pipeline, and the gas outlet joint is used for connecting microdust tester.

[0011] Preferably, the functional assembly includes:

[0012] Blowing pipeline, the blowing pipeline is used for valve purging;

[0013] CV value comparison pipeline, the CV value comparison pipeline is used for valve flow comparison;

[0014] Prescribed flow gas pipeline, the prescribed flow gas pipeline is used for setting up gas flow flow rate;

[0015] Supplementary gas pipeline, the supplementary gas pipeline is used for microdust tester gas supplement.

[0016] Preferably, the blowing pipeline, the CV value comparison pipeline and the specified flow gas pipeline are connected in parallel, one end of the blowing pipeline, the CV value comparison pipeline, the specified flow gas pipeline and the supplementary gas pipeline is connected in series with one end of the air inlet joint, and the other end of the blowing pipeline, the CV value comparison pipeline and the specified flow gas pipeline is connected in series with one end of the valve to be tested.

[0017] Preferably, the other end of the valve to be tested is connected in series with one end of the air outlet pipeline, and the other end of the supplementary gas pipeline is connected in series with the air outlet pipeline.

[0018] Preferably, the outside of the blowing pipeline, the CV value comparison pipeline, the specified flow gas pipeline and the supplementary gas pipeline is provided with a manual valve, a pressure regulating valve, a pressure sensor and a pneumatic valve.

[0019] Preferably, the outside of the specified flow gas pipeline and the supplementary gas pipeline is further provided with a flow controller.

[0020] Preferably, the other end of the air outlet pipeline is connected in series with the air outlet joint, and the outside of the air outlet pipeline is provided with a mounting rack for mounting the functional assembly and the air outlet pipeline.

[0021] The technical effects and advantages of the utility model are as follows:

[0022] The utility model discloses a valve testing device, which comprises an air inlet joint, a functional assembly, a valve to be tested, an air outlet pipeline and an air outlet joint. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a three-dimensional structure schematic diagram of the utility model.

[0024] Figure 2 It is a front view structure schematic diagram of the utility model.

[0025] In the drawing: 1, air inlet joint, 2, functional assembly, 21, blowing pipeline, 22, CV value comparison pipeline, 23, specified flow gas pipeline, 24, supplementary gas pipeline, 25, flow controller, 3, valve to be tested, 4, air outlet pipeline, 5, air outlet joint, 6, mounting rack. CONCRETE IMPLEMENTATION

[0026] Clearly and completely describe the technical scheme in the embodiments of the utility model with the drawings in the embodiments of the utility model below, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of the utility model protection.

[0027] The utility model provides a kind of device for measuring valve internal cleanliness as Figure 1 And Figure 2 As shown in a kind of device for measuring valve internal cleanliness, comprising:

[0028] Air inlet 1, air inlet 1 is used for air intake;

[0029] Functional assembly 2, functional assembly 2 is arranged at one end of air inlet 1, and functional assembly 2 is used for valve multiple detection;

[0030] Valve 3 to be measured, valve 3 to be measured is arranged at one end of functional assembly 2;

[0031] Gas outlet pipeline 4, gas outlet pipeline 4 is arranged at one end of valve 3 to be measured;

[0032] Gas outlet 5, gas outlet 5 is arranged at one end of gas outlet pipeline 4, and gas outlet 5 is used for connecting microdust tester.

[0033] Functional assembly 2 includes:

[0034] Blowing pipeline 21, blowing pipeline 21 is used for valve purging;

[0035] CV value comparison pipeline 22, CV value comparison pipeline 22 is used for valve flow comparison;

[0036] Prescribed flow gas pipeline 23, prescribed flow gas pipeline 23 is used for setting air flow flow-through flow;

[0037] Supplementary gas pipeline 24, supplementary gas pipeline 24 is used for microdust tester gas supplement.

[0038] Blowing pipeline 21, CV value comparison pipeline 22 and prescribed flow gas pipeline 23 are connected in parallel, one end of blowing pipeline 21, CV value comparison pipeline 22, prescribed flow gas pipeline 23 and supplementary gas pipeline 24 is connected in series with one end of air inlet 1, and the other end of blowing pipeline 21, CV value comparison pipeline 22 and prescribed flow gas pipeline 23 is connected in series with one end of valve 3 to be measured.

[0039] The other end of valve 3 to be measured is connected in series with one end of gas outlet pipeline 4, and the other end of supplementary gas pipeline 24 is connected in series with gas outlet pipeline 4.

[0040] The outside of the blowing pipe 21, the CV value comparison pipe 22, the specified flow gas pipe 23 and the supplementary gas pipe 24 are respectively provided with a manual valve, a pressure regulating valve, a pressure sensor and a pneumatic valve.

[0041] The outside of the specified flow gas pipe 23 and the supplementary gas pipe 24 is further provided with a flow controller 25.

[0042] Further, the blowing pipe 21, the CV value comparison pipe 22 and the specified flow gas pipe 23 share a gas outlet pipe which is connected with one end of the valve 3 to be tested, and the blowing pipe 21, the CV value comparison pipe 22, the specified flow gas pipe 23 and the supplementary gas pipe 24 share a gas inlet pipe which is connected with one end of the gas inlet joint 1, and the end of the supplementary gas pipe 24 which is far away from the gas inlet joint 1 is connected with the gas outlet pipe 4, and the gas outlet pipe 4 is a double pipe, so that the gas flowing out of the supplementary gas pipe 24 is transmitted to the dust tester through the gas outlet pipe 4 in real time, so as to ensure that the dust tester still has gas passing through when the valve 3 to be tested is closed, thereby avoiding the damage of the dust tester, and when the gas passes through one of the blowing pipe 21, the CV value comparison pipe 22 or the specified flow gas pipe 23, the other two are in a closed state, and the manual valve, the pressure regulating valve, the pressure sensor, the pneumatic valve, the flow controller 25 and the dust tester are all existing devices in the prior art.

[0043] The other end of the gas outlet pipe 4 is connected with the gas outlet joint 5 in series, and the outside of the gas outlet pipe 4 is provided with a mounting rack 6 for mounting the functional assembly 2 and the gas outlet pipe 4.

[0044] Further, the gas of the gas outlet pipe 4 flows to the dust tester through the gas outlet joint 5, so as to detect the numerical value of the dust amount and judge the cleanliness of the valve, the functional assembly 2 and the gas outlet pipe 4 are fixedly mounted on the outer wall of the mounting rack 6 through the fixing rack, and the end of the gas outlet pipe 4 which is close to the valve 3 to be tested is provided with a pressure sensor.

[0045] Before the valve 3 to be tested is tested, the valve 3 to be tested is purged through the blowing pipeline 21, and the valve 3 to be tested needs to be opened and closed constantly during the purging process so as to be thoroughly purged, and during the testing, the blowing pipeline 21 and the CV value comparison pipeline 22 are closed, the required gas flow is set through the flow controller 25 of the specified flow gas pipeline 23 according to the requirement, the gas is blown to the valve 3 to be tested through the specified flow gas pipeline 23, the valve 3 to be tested flows to the outlet pipeline 4, and then flows into the dust tester through the outlet joint 5, the dust amount under the set flow is confirmed to be qualified or not through the dust amount testing result of the dust tester, so as to judge the cleanliness of the valve 3 to be tested, and the blowing pipeline 21 and the specified flow gas pipeline 23 can also be closed, the conveying gas is conducted through the CV value comparison pipeline 22, the pressure loss value is obtained through the change of the values of the pressure sensor of the CV value comparison pipeline 22 and the pressure sensor of the outlet pipeline 4, and the pressure value is compared with the existing standard valve, so that the cleanliness of the valve 3 to be tested can be judged.

[0046] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A device for measuring the internal cleanliness of a valve, characterized in that, The utility model relates to a kind of valve test device, including: Air inlet joint (1), the air inlet joint (1) is used for air intake; Functional assembly (2), the functional assembly (2) is arranged at one end of air inlet joint (1), and the functional assembly (2) is used for valve multiple detection; Valve to be measured (3), the valve to be measured (3) is arranged at one end of functional assembly (2); Air outlet pipeline (4), the air outlet pipeline (4) is arranged at one end of valve to be measured (3); Air outlet joint (5), the air outlet joint (5) is arranged at one end of air outlet pipeline (4), and the air outlet joint (5) is used for connecting microdust tester.

2. A device for measuring the internal cleanliness of a valve according to claim 1, characterized in that The functional assembly (2) includes: Blowing pipeline (21), the blowing pipeline (21) is used for valve purging; CV value comparison pipeline (22), the CV value comparison pipeline (22) is used for valve flow comparison; Prescribed flow gas pipeline (23), the prescribed flow gas pipeline (23) is used for setting gas flow flow rate; Supplementary gas pipeline (24), the supplementary gas pipeline (24) is used for microdust tester gas supplement.

3. A device for measuring the internal cleanliness of a valve according to claim 2, characterized in that The blowing pipeline (21), CV value comparison pipeline (22) and prescribed flow gas pipeline (23) are in parallel, one end of the blowing pipeline (21), CV value comparison pipeline (22), prescribed flow gas pipeline (23) and supplementary gas pipeline (24) is in series with one end of air inlet joint (1), and the other end of the blowing pipeline (21), CV value comparison pipeline (22) and prescribed flow gas pipeline (23) is in series with one end of valve to be measured (3).

4. A device for measuring the internal cleanliness of a valve according to claim 2, characterized in that The other end of the valve to be measured (3) is in series with one end of air outlet pipeline (4), and the other end of the supplementary gas pipeline (24) is in series with air outlet pipeline (4).

5. The device for measuring the internal cleanliness of a valve according to claim 2, characterized in that, The outside of the blowing pipeline (21), CV value comparison pipeline (22), prescribed flow gas pipeline (23) and supplementary gas pipeline (24) is each provided with hand valve, pressure regulating valve, pressure sensor and pneumatic valve.

6. A device for measuring the internal cleanliness of a valve according to claim 5, characterized in that The outside of the prescribed flow gas pipeline (23) and supplementary gas pipeline (24) is further provided with flow controller (25).

7. The device for measuring the internal cleanliness of a valve according to claim 1, characterized in that, The other end of the air outlet pipeline (4) is in series with air outlet joint (5), and the outside of the air outlet pipeline (4) is provided with mounting bracket (6) for the installation of functional assembly (2) and air outlet pipeline (4).

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