Multifunctional integrated pipeline flushing pressure testing device

Abstract

The utility model provides a multifunctional integrated pipeline flushing and pressure testing device. The multifunctional integrated pipeline flushing and pressure testing device comprises a box body; the input end of the first oil way is connected with the box body, and the output end of the first oil way is provided with an oil outlet; the first oil way comprises a flushing set and a pulse valve, and the flushing set is connected with the pulse valve. The output end of the second oil way is connected with the box body, and an oil return opening is formed in the input end of the second oil way; the second oil way comprises a filter group; the input end of the third oil way is connected with the box body, and the output end of the third oil way is connected with the oil outlet; the third oil way comprises a high-pressure testing set. Static pressure flushing, pulse flushing and high-pressure pressure testing are integrated in the same equipment, flushing media in the box body are pumped out by the flushing set and injected into a flushed pipeline through the oil outlet, static pressure flushing is completed, meanwhile, the pulse valve can be started, and higher-efficiency pulse flushing is further achieved on the flushed pipeline. In addition, after the flushing group fills the flushing medium into the flushed pipeline, the high-pressure test group pumps out the flushing medium in the box body and pressurizes the flushing medium, so that a pressure test function is realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline flushing, and particularly relates to a multifunctional integrated pipeline flushing and pressure testing device. Background Art

[0002] Before the existing large-scale hydraulic system is filled with oil and put into trial operation, in order to ensure that the pipelines of the hydraulic system are sufficiently clean and have pressure-bearing capacity, it is necessary to uniformly flush and pressure test all the pipelines of the hydraulic system to solve the pollution and foreign matters remaining in the pipelines. In the patented technology of the multifunctional combined device for pipeline flushing, pressure testing and load testing, namely CN201586653U disclosed by the applicant in the past, the functions such as pipeline flushing and pressure testing are combined in one device; however, with the continuous development of the industry, the above technology can no longer meet the market demand. Summary of the Utility Model

[0003] In order to overcome the above technical defects, the utility model provides a multifunctional integrated pipeline flushing and pressure testing device, which can solve the technical problem of integrating multiple functions in the same device.

[0004] The utility model is realized according to the following technical scheme:

[0005] The utility model provides a multifunctional integrated pipeline flushing and pressure testing device, which comprises:

[0006] A box body;

[0007] A first oil circuit, whose input end is connected to the box body, and an oil outlet is arranged at the output end of the first oil circuit; the first oil circuit comprises a flushing group and a pulse valve, and the flushing group is connected to the pulse valve;

[0008] A second oil circuit, whose output end is connected to the box body, and an oil return port is arranged at the input end of the second oil circuit; the second oil circuit comprises a filtering group;

[0009] A third oil circuit, whose input end is connected to the box body, and the output end of the third oil circuit is connected to the oil outlet; the third oil circuit comprises a high-pressure pressure testing group.

[0010] Compared with the prior art, the application innovatively integrates static pressure flushing, pulse flushing and high-pressure pressure testing in the same device. The flushing group extracts the flushing medium in the box body and injects it into the pipeline to be flushed through the oil outlet to complete static pressure flushing. At the same time, the pulse valve can be started to further realize more efficient pulse flushing of the pipeline to be flushed; in addition, after the flushing group fills the pipeline to be flushed with the flushing medium, the high-pressure pressure testing group extracts the flushing medium in the box body, pressurizes it, and then injects it into the pipeline to be flushed through the oil outlet to realize the pressure testing function.

[0011] In one embodiment, a safety pressure regulating valve is further included on the first oil path. The output end of the safety pressure regulating valve is connected to the box body, and the input end of the safety pressure regulating valve is connected in parallel with the output end of the flushing group.

[0012] In one embodiment, the first oil path further includes a pressure sensor. The input end of the pressure sensor is connected in parallel with the input end of the pulse valve.

[0013] In one embodiment, the filtering group includes a plurality of filtering units, and the plurality of filtering units are connected in series in sequence.

[0014] In one embodiment, each of the filtering units includes a filter or a plurality of filters connected in parallel.

[0015] In one embodiment, differential pressure sensors are provided at both the input end and the output end of each of the filters.

[0016] In one embodiment, the second oil path further includes a flow detection component and a cleanliness detection group. Among them,

[0017] The flow detection component is connected in series with the filtering group, and the flow detection component is located at the input end of the filtering group;

[0018] The input end of the cleanliness detection group is connected in parallel with the input end of the filtering group.

[0019] In one embodiment, the high-pressure hydrostatic test group includes a high-pressure hydrostatic test motor pump group, a high-pressure safety pressure regulating valve, and a high-pressure hydrostatic test valve; the input end of the high-pressure hydrostatic test motor pump group is connected to the box body, and the output end of the high-pressure hydrostatic test motor pump group is connected to the oil outlet through the high-pressure hydrostatic test valve;

[0020] The high-pressure safety pressure regulating valve is connected in parallel with the high-pressure hydrostatic test motor pump group.

[0021] In one embodiment, the multifunctional integrated pipeline flushing and hydrostatic test device further includes a heater and / or a cooler. Among them,

[0022] The heater is arranged on the box body;

[0023] The input end of the cooler is connected in parallel with the output end of the filtering group, and the output end of the cooler is connected to the box body.

[0024] In one embodiment, the multifunctional integrated pipeline flushing and hydrostatic test device further includes a pumping and transferring oil motor pump group. One end of the pumping and transferring oil motor pump group is connected to the box body, and the other end is connected to an external component, for inputting flushing medium into the box body or outputting the flushing medium in the box body to the external component. Description of the Drawings

[0025] The following further elaborates on the specific embodiments of the present utility model in conjunction with the accompanying drawings, where:

[0026] Figure 1 is a schematic diagram of the multi-functional integrated pipeline flushing and pressure testing device of the present utility model;

[0027] Figure 2 is one of the partial enlarged views of the multi-functional integrated pipeline flushing and pressure testing device of the present utility model;

[0028] Figure 3 is the second partial enlarged view of the multi-functional integrated pipeline flushing and pressure testing device of the present utility model.

[0029] Explanation of reference numerals:

[0030] 10 box body, 20 first oil circuit, 201 oil outlet, 210 flushing group, 220 pulse valve, 230 safety pressure regulating valve, 240 pressure sensor, 30 second oil circuit, 301 oil return port, 310 filtering group, 3111 filter, 320 flow detection component, 330 cleanliness detection group, 40 third oil circuit, 410 high-pressure pressure testing group, 4111 high-pressure pressure testing motor pump group, 4112 high-pressure safety pressure regulating valve, 4113 high-pressure pressure testing valve, 50 heater, 60 cooler, 70 oil pumping and transferring motor pump group. Specific embodiments

[0031] The following describes the preferred embodiments of the present utility model in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustrating and explaining the present utility model and are not intended to limit the present utility model.

[0032] In order to better elaborate the present utility model, the following further describes the present utility model with reference to the accompanying drawings.

[0033] It should be clear that the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts belong to the scope of protection of the embodiments of the present application.

[0034] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the embodiments of the present application. The singular forms "a", "the", and "said" used in the embodiments of the present application and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0035] When the following description refers to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. On the contrary, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims. In the description of the present application, it should be understood that the terms "first", "second", "third", etc. are only used to distinguish similar objects and do not necessarily have to be used to describe a specific order or sequence, nor can they be construed as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0036] In addition, in the description of the present application, unless otherwise specified, "a plurality of" means two or more. "And / or" describes the association relationship of associated objects and indicates that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. The character " / " generally represents an "or" relationship between the associated objects before and after.

[0037] Combined with Figures 1 to 3 As shown, the present utility model provides a multi-functional integrated pipeline flushing and pressure testing device, which includes: a box body 10; a first oil circuit 20, the input end of which is connected to the box body 10, and an oil outlet 201 is provided at the output end of the first oil circuit 20; the first oil circuit 20 includes a flushing group 210 and a pulse valve 220, and the flushing group 210 is connected to the pulse valve 220; a second oil circuit 30, the output end of which is connected to the box body 10, and an oil return port 301 is provided at the input end of the second oil circuit 30; the second oil circuit 30 includes a filtering group 310; a third oil circuit 40, the input end of which is connected to the box body 10, and the output end of the third oil circuit 40 is connected to the oil outlet 201; the third oil circuit 40 includes a high-pressure pressure testing group 410.

[0038] Specifically, the oil outlet 201 of the multi-functional integrated pipeline flushing and pressure testing device is connected to the input end of the pipeline to be flushed, and the oil return port 301 of the multi-functional integrated pipeline flushing and pressure testing device is connected to the output end of the pipeline to be flushed, thereby forming a loop. When it is necessary to flush the pipeline to be flushed, the flushing group 210 works and inputs the flushing medium from the box body 10 into the pipeline to be flushed through the first oil circuit 20. The pollutants in the pipeline to be flushed enter the second oil circuit 30 along with the flushing medium, and the pollutants and the flushing medium are separated under the filtering action of the filtering group 310 in the second oil circuit 30. The flushing medium flows back into the box body 10 for recycling.

[0039] In some usage scenarios, in order to achieve a more efficient pulse flushing function for the pipeline to be flushed, the flushing group 210 operates and inputs the flushing medium from the tank 10 into the pulse valve 220, so that the flushing medium in the first oil circuit 20 forms a pulsed flow under the operation of the pulse valve 220 before entering the pipeline to be flushed. The pulsed flow then enters the pipeline to be flushed through the oil outlet 201, thereby improving the flushing efficiency and the degree of flushing of the pipeline to be flushed.

[0040] In some usage scenarios, in order to test the pressure-bearing capacity of the pipeline to be flushed, the flushing group 210 operates and inputs the flushing medium into the pipeline to be flushed, fills the pipeline to be flushed with the flushing medium, discharges the air in the pipeline to be flushed, and closes the output end of the pipeline to be flushed. Then the high-pressure pressure testing group 410 operates, and inputs the flushing medium from the tank 10 into the pipeline to be flushed through the third oil circuit 40 to achieve the pressure testing function. It should be noted that a valve can be provided at the oil return port 301 of the second oil circuit 30 to close the output end of the pipeline to be flushed and prevent the flushing medium of the pipeline to be flushed from entering the second oil circuit 30 during pressure testing.

[0041] Compared with the prior art, the present application innovatively integrates static pressure flushing, pulse flushing, and high-pressure pressure testing in the same device. The flushing group 210 extracts the flushing medium from the tank 10 and injects it into the pipeline to be flushed through the oil outlet 201 to complete static pressure flushing. At the same time, the pulse valve 220 can be started to further achieve a more efficient pulse flushing for the pipeline to be flushed. In addition, after the flushing group 210 fills the pipeline to be flushed with the flushing medium, the high-pressure pressure testing group 410 extracts the flushing medium from the tank 10, pressurizes it, and then injects it into the pipeline to be flushed through the oil outlet 201 to achieve the pressure testing function.

[0042] In this embodiment, the flushing group 210 includes a variable-frequency motor and a pump. The variable-frequency motor is connected to the pump to extract the flushing medium in the tank 10. Further, the pump can be in the form of a single pump or a series pump to meet the requirements of hierarchical flow output and increased flushing flow.

[0043] Further, the number of the flushing groups 210 is one group or multiple groups, and the specific number can be configured according to requirements such as flushing flow.

[0044] In order to be able to adjust the pressure during flushing, in this embodiment, a safety pressure regulating valve 230 is further included on the first oil circuit 20. The output end of the safety pressure regulating valve 230 is connected to the box body 10, and the input end of the safety pressure regulating valve 230 is connected in parallel with the output end of the flushing group 210. The safety pressure regulating valve 230 shunts the flushing medium at the output end of the flushing group 210 to achieve the pressure regulating function and ensure the circuit safety of the second oil circuit 30. Further, the safety pressure regulating valve 230 is also connected to a flushing pressure regulating valve so as to use the flushing pressure regulating valve to adjust the pressure.

[0045] Further, a flushing pressure gauge is provided on the first oil circuit 20 for detecting the pressure of the flushing medium in the first oil circuit 20.

[0046] In this embodiment, the first oil circuit 20 further includes a pressure sensor 240. The input end of the pressure sensor 240 is connected in parallel with the input end of the pulse valve 220 and is used for detecting the flushing medium pressure and the working state.

[0047] In this embodiment, the filtering group 310 includes a plurality of filtering units, and the plurality of filtering units are connected in series in sequence. By providing a plurality of filtering units, the pollutants in the flushing medium are filtered one by one. In other embodiments, the filtering group 310 may have only one filtering unit.

[0048] Further, each filtering unit includes one filter 3111 or a plurality of filters 3111 connected in parallel; one or more filters 3111 are connected in parallel at each filter 3111 to achieve the purpose of simultaneous multi-stage high-efficiency filtering and increased flow rate.

[0049] Further, a differential pressure sensor is provided at both the input end and the output end of each filter 3111 for monitoring the working state of the filter element so as to replace the filter element in time according to the working state.

[0050] In this embodiment, the second oil circuit 30 further includes a flow rate detection component 320 and a cleanliness detection group 330. Among them, the flow rate detection component 320 is connected in series with the filtering group 310, and the flow rate detection component 320 is located at the input end of the filtering group 310. The flow rate detection component 320 is used for detecting the flow rate of the flushing medium entering the filtering group 310; the input end of the cleanliness detection group 330 is connected in parallel with the input end of the filtering group 310 to detect the cleanliness of the flushing medium in the second oil circuit 30, thereby judging the cleanliness of the pipeline to be flushed so as to control the flushing group 210 to stop working.

[0051] Further, the flow detection component 320 is also connected to a display component for displaying the detected flow rate. Further, the display component can be a display instrument or a display screen, depending on the flow detection component 320.

[0052] In this embodiment, the high-pressure pressure test group 410 includes a high-pressure test motor pump group 4111, a high-pressure safety pressure regulating valve 4112, and a high-pressure test valve 4113; the input end of the high-pressure test motor pump group 4111 is connected to the box body 10, and the output end of the high-pressure test motor pump group 4111 is connected to the oil outlet 201 through the high-pressure test valve 4113; the high-pressure safety pressure regulating valve 4112 is connected in parallel with the high-pressure test motor pump group 4111. When the high-pressure pressure test group works, the high-pressure test valve 4113 is opened, and the high-pressure test motor pump group 4111 inputs the flushing medium from the box body 10 into the pipeline to be flushed through the oil outlet 201; wherein, the high-pressure safety pressure regulating valve 4112 shunts the flushing medium for pressure adjustment.

[0053] In this embodiment, the multifunctional integrated pipeline flushing and pressure test device further includes a heater 50 and / or a cooler 60. Among them, the heater 50 is arranged on the box body 10 for heating the flushing medium; the input end of the cooler 60 is connected in parallel with the output end of the filtering group 310, and the output end of the cooler 60 is connected to the box body 10; when the temperature of the flushing medium is too high, it is cooled by the cooler 60 to keep the temperature of the flushing medium constant within a certain range.

[0054] In this embodiment, the multifunctional integrated pipeline flushing and pressure test device further includes a pumping and transferring oil motor pump group 70. One end of the pumping and transferring oil motor pump group 70 is connected to the box body 10, and the other end is connected to an external component, which is used to input the flushing medium into the box body 10 or output the flushing medium in the box body 10 to an external component, that is, to pump the flushing medium into the box body 10 or output the flushing medium in the box body 10 to an external component. Among them, the external component includes an external medium barrel or other positions.

[0055] It should be noted that a one-way valve is provided between the flushing group 210 and the pulse valve 220, and one-way valves are provided between the high-pressure test motor pump group 4111 and the high-pressure test valve 4113, and between the filtering group 310 and the box body 10. The one-way flow function of the one-way valve is used to prevent the flushing medium from flowing back and ensure normal operation.

[0056] Based on the disclosure and teachings of the above specification, those skilled in the art to which the present utility model pertains can also make changes and modifications to the above embodiments. Therefore, the present utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present utility model should also fall within the protection scope of the claims of the present utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model.

Claims

1. A multi-functional integrated pipeline flushing and pressure testing device, characterized in that, Comprising: A box body; A first oil circuit, whose input end is connected to the box body, and an oil outlet is provided at the output end of the first oil circuit; the first oil circuit includes a flushing group and a pulse valve, and the flushing group is connected to the pulse valve; A second oil circuit, whose output end is connected to the box body, and an oil return port is provided at the input end of the second oil circuit; the second oil circuit includes a filtering group; A third oil circuit, whose input end is connected to the box body, and the output end of the third oil circuit is connected to the oil outlet; the third oil circuit includes a high-pressure pressure test group.

2. The multifunctional integrated pipeline flushing and pressure test device according to claim 1, characterized in that: The first oil circuit further includes a safety pressure regulating valve, the output end of the safety pressure regulating valve is connected to the box body, and the input end of the safety pressure regulating valve is connected in parallel with the output end of the flushing group.

3. The multifunctional integrated pipeline flushing and pressure test device according to claim 1, characterized in that: The first oil circuit further includes a pressure sensor, and the input end of the pressure sensor is connected in parallel with the input end of the pulse valve.

4. The multifunctional integrated pipeline flushing and pressure test device according to any one of claims 1-3, characterized in that: The filtering group includes a plurality of filtering units, and the plurality of filtering units are connected in series in sequence.

5. The multifunctional integrated pipeline flushing and pressure test device according to claim 4, characterized in that: Each of the filtering units includes a filter or a plurality of filters connected in parallel.

6. The multifunctional integrated pipeline flushing and pressure test device according to claim 5, characterized in that: Differential pressure sensors are provided at both the input end and the output end of each of the filters.

7. The multifunctional integrated pipeline flushing and pressure test device according to claim 1, characterized in that: The second oil circuit further includes a flow detection component and a cleanliness detection group, wherein, The flow detection component is connected in series with the filtering group, and the flow detection component is located at the input end of the filtering group; The input end of the cleanliness detection group is connected in parallel with the input end of the filtering group.

8. The multifunctional integrated pipeline flushing and pressure test device according to claim 1, characterized in that: The high-pressure pressure test group includes a high-pressure pressure test motor pump group, a high-pressure safety pressure regulating valve and a high-pressure pressure test valve; the input end of the high-pressure pressure test motor pump group is connected to the box body, and the output end of the high-pressure pressure test motor pump group is connected to the oil outlet through the high-pressure pressure test valve; The high-pressure safety pressure regulating valve is connected in parallel with the high-pressure pressure test motor pump group.

9. The multifunctional integrated pipeline flushing and pressure test device according to claim 1, characterized in that: The multifunctional integrated pipeline flushing and pressure test device further includes a heater and / or a cooler, wherein, The heater is arranged on the box body; The input end of the cooler is connected in parallel with the output end of the filtering group, and the output end of the cooler is connected to the box body.

10. The multifunctional integrated pipeline flushing and pressure test device according to claim 1, characterized in that: The multi-functional integrated pipeline flushing and pressure testing device further includes a pumping and transferring oil motor pump unit. One end of the pumping and transferring oil motor pump unit is connected to the box body, and the other end is connected to an external component, which is used to input flushing medium into the box body or output the flushing medium in the box body to the external component.

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