Integrated pipeline flushing pressure testing device

Abstract

The utility model relates to the technical field of hydraulic pressure, and discloses an integrated pipeline flushing pressure testing device which comprises a box body, a first oil way, a second oil way, a third oil way and a fourth oil way. The input end of the first oil way is connected with the box body, the output end of the first oil way is provided with an oil outlet, the first oil way is provided with 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, the input end of the second oil way is provided with an oil return port, and the second oil way is provided with a deslagging filter group; the input end of the third oil way is connected with the box body, the output end of the third oil way is connected with the oil outlet, and the third oil way is provided with a high-pressure test set; the input end and the output end of the fourth oil way are both connected with the box body, and the fourth oil way is provided with a circulating motor pump set and a reverse osmosis water removal filter set which are connected in series. The device integrates the functions of static pressure flushing, pulse flushing, high-pressure testing and circulating water removal, and equipment pipeline layout is simple.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic technology, and in particular to an integrated pipeline flushing and pressure testing device. Background Technology

[0002] Before the commissioning of existing large hydraulic systems, all pipelines of the hydraulic system need to be flushed and pressure tested to ensure that the hydraulic system pipelines are clean and have pressure-bearing capacity, so as to eliminate the contamination and foreign matter remaining in the pipelines.

[0003] However, traditional hydraulic oil filtration systems only have filtration functions, and pipeline pressure testing and cleaning are completed by external equipment, which is inconvenient to operate and affects work efficiency; some hydraulic oil filtration systems integrate functions such as filtration, pipeline pressure testing and pipeline cleaning, but the equipment pipeline structure is complex. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide an integrated pipeline flushing and pressure testing device that integrates static pressure flushing, pulse flushing, high pressure testing and circulating water removal functions, and the equipment pipeline layout is simple.

[0005] To solve the above-mentioned technical problems, this utility model provides an integrated pipeline flushing and pressure testing device, including a housing, a first oil circuit, a second oil circuit, a third oil circuit and a fourth oil circuit;

[0006] The input end of the first oil circuit is connected to the housing, the output end of the first oil circuit is provided with an oil outlet, the first oil circuit is provided with a flushing group and a pulse valve, and the flushing group is connected to the pulse valve;

[0007] The output end of the second oil circuit is connected to the housing, the input end of the second oil circuit is provided with an oil return port, and the second oil circuit is provided with a slag removal filter group;

[0008] The input end of the third oil circuit is connected to the housing, the output end of the third oil circuit is connected to the oil outlet, and the third oil circuit is equipped with a high-pressure test group;

[0009] The input and output ends of the fourth oil circuit are both connected to the housing. The fourth oil circuit is equipped with a circulating motor pump group and a reverse osmosis water removal filter group arranged in series.

[0010] As an improvement to the above solution, the fourth oil circuit is also equipped with a low-pressure safety valve, the input end of the circulating motor pump group is connected to the housing, and the output end of the circulating motor pump group is connected to the input end of the reverse osmosis dewatering filter group.

[0011] The low-pressure safety valve is connected in parallel with the circulating motor pump set, the input end of the safety valve is connected to the output end of the circulating motor pump set, and the output end of the safety valve is connected to the housing.

[0012] The input end of the reverse osmosis water removal filter group is connected to the output end of the circulating motor pump group, and the output end of the reverse osmosis water removal filter group is connected to the housing.

[0013] As an improvement to the above solution, the first oil circuit is also provided with a first safety pressure regulating valve. The output end of the first safety pressure regulating valve is connected to the housing, and the input end of the first safety pressure regulating valve is connected in parallel with the output end of the flushing group.

[0014] As an improvement to the above solution, the first oil circuit is also equipped with a pressure sensor, the input end of which is connected in parallel with the input end of the pulse valve.

[0015] As an improvement to the above solution, the high-pressure test group includes a high-pressure test motor pump group, a high-pressure safety pressure regulating valve, and a high-pressure test valve;

[0016] The input end of the high-pressure test motor pump set is connected to the housing, and the output end of the high-pressure test motor pump set is connected to the oil outlet through the high-pressure test valve;

[0017] The high-pressure safety regulating valve is connected in parallel with the high-pressure test motor pump group.

[0018] As an improvement to the above solution, the reverse osmosis water removal filtration group includes multi-stage water removal filtration units, which are connected in series. Each stage of the water removal filtration unit includes one reverse osmosis water removal filter or multiple reverse osmosis water removal filters connected in parallel; and / or

[0019] The slag removal filter group includes multiple slag removal filter units, which are connected in series. Each slag removal filter unit includes one or more slag removal filters connected in parallel.

[0020] As an improvement to the above solution, each of the reverse osmosis water removal filters is equipped with a first differential pressure sensor at both its input and output ends; and / or

[0021] Each of the aforementioned slag removal filters is equipped with a second differential pressure sensor at both its input and output ends.

[0022] As an improvement to the above solution, the second oil circuit is also equipped with a flow detection component and a cleanliness detection group, wherein,

[0023] The flow detection component is connected in series with the slag removal filter group, and the flow detection component is located at the input end of the slag removal filter group;

[0024] The input terminal of the cleanliness detection group is connected in parallel with the input terminal of the slag removal and filtration group.

[0025] As an improvement to the above solution, a heater and a cooler are also included. The heater is installed on the housing, the input end of the cooler is connected in parallel with the output end of the slag removal filter group, and the output end of the cooler is connected to the housing.

[0026] As an improvement to the above solution, a pump-type oil pump unit is also included. One end of the pump-type oil pump unit is connected to the housing, and the other end is connected to an external component. It is used to input flushing medium into the housing or output flushing medium from the housing to the external component.

[0027] Implementing this utility model has the following beneficial effects:

[0028] This utility model discloses an integrated pipeline flushing and pressure testing device. The flushing unit extracts the flushing medium from the tank and injects it into the pipeline to be flushed through the oil outlet, completing static pressure flushing. Simultaneously, the pulse valve can be activated to further achieve more efficient pulse flushing of the pipeline. Furthermore, after the flushing unit fills the pipeline with the flushing medium, the high-pressure testing unit extracts the flushing medium from the tank, pressurizes it, and then injects it into the pipeline through the oil outlet, achieving the pressure testing function. The circulating motor pump unit extracts the flushing medium from the tank and injects it into the reverse osmosis dewatering filter group. The flushing medium is then returned to the tank through the output end of the reverse osmosis dewatering filter group, achieving a single-group dewatering action. Utilizing the technical characteristics of the reverse osmosis dewatering filter group, the above-mentioned single-group dewatering action is continuously cyclical to achieve the dewatering function. This utility model integrates static pressure flushing, pulse flushing, high-pressure testing, and circulating dewatering into a single device with a simple pipeline layout. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of an embodiment of the integrated pipeline flushing and pressure testing device of this utility model;

[0030] Figure 2 yes Figure 1 It includes a magnified view of the housing and the first oil passage;

[0031] Figure 3 yes Figure 1 It includes enlarged views of the housing and the second, third, and fourth oil passages. Detailed Implementation

[0032] To make the objectives, technical solutions and advantages of this utility model clearer, the utility model will be described in further detail below with reference to the accompanying drawings.

[0033] like Figures 1 to 3 As shown, this utility model provides an embodiment of an integrated pipeline flushing and pressure testing device, including a housing 1, a first oil circuit 2, a second oil circuit 3, a third oil circuit 4, and a fourth oil circuit 5. The input end of the first oil circuit 2 is connected to the housing 1, and the output end of the first oil circuit 2 has an oil outlet a. The first oil circuit 2 is equipped with a flushing assembly 21 and a pulse valve 22, with the flushing assembly 21 connected to the pulse valve 22. The output end of the second oil circuit 3 is connected to the housing 1, and the input end of the second oil circuit 3 has an oil return port b. The second oil circuit 3 is equipped with a slag removal filter assembly 31. The input end of the third oil circuit 4 is connected to the housing 1, and the output end of the third oil circuit 4 is connected to the oil outlet a. The third oil circuit 4 is equipped with a high-pressure testing assembly. The input and output ends of the fourth oil circuit 5 are both connected to the housing 1, and the fourth oil circuit 5 is equipped with a circulating motor pump assembly 51 and a reverse osmosis dewatering filter assembly 52 arranged in series.

[0034] In this embodiment, the oil outlet a is connected to the input end of the pipeline c being flushed, and the oil return port b is connected to the output end of the pipeline c being flushed. By connecting the oil outlet a of the pipeline flushing and pressure testing device in this embodiment to the input end of the pipeline c being flushed, and connecting the oil return port b to the output end of the pipeline c being flushed, a loop is formed.

[0035] When the pipe c to be flushed needs to be flushed, the flushing group 21 operates and inputs the flushing medium from the housing 1 into the pipe c to be flushed through the first oil line 2. The contaminants in the pipe c to be flushed enter the second oil line 3 along with the flushing medium, and the contaminants and flushing medium are separated by the filtration action of the slag removal filter group 31 in the second oil line 3. The flushing medium is then returned to the housing 1 for recycling.

[0036] In some application scenarios, in order to achieve a more efficient pulse flushing function for the flushed pipe c, the flushing group 21 operates and inputs the flushing medium from the housing 1 into the pulse valve 22, so that the flushing medium in the first oil circuit 2 forms a pulse flow under the operation of the pulse valve 22 before entering the flushed pipe c. The pulse flow then enters the flushed pipe c through the oil outlet a, thereby improving the flushing efficiency and the flushing degree of the flushed pipe c.

[0037] In some application scenarios, to test the pressure resistance of the flushed pipe c, the flushing unit 21 operates and inputs flushing medium into the flushed pipe c, filling it with the flushing medium, venting air from the flushed pipe c, and closing the output end of the flushed pipe c. Then, the high-pressure test unit operates, inputting flushing medium from the housing 1 into the flushed pipe c via the third oil circuit 4 to achieve the pressure test function. It should be noted that a return oil port b valve can be installed at the return oil port b of the second oil circuit 3 to close the output end of the flushed pipe c, preventing the flushing medium from the flushed pipe c from entering the second oil circuit 3 during the pressure test.

[0038] Compared with the prior art, this application innovatively integrates static pressure flushing, pulse flushing, and high-pressure testing into the same device. The flushing group 21 extracts the flushing medium from the tank 1 and injects it into the flushed pipeline c through the oil outlet a to complete the static pressure flushing. At the same time, the pulse valve 22 can be activated to further achieve more efficient pulse flushing of the flushed pipeline c. In addition, after the flushing group 21 fills the flushed pipeline c with the flushing medium, the high-pressure testing group extracts the flushing medium from the tank 1, pressurizes it, and then injects it into the flushed pipeline c through the oil outlet a to achieve the pressure testing function.

[0039] By turning on the circulating motor pump group 51, the flushing medium is drawn out from the housing 1 and injected into the reverse osmosis dewatering filter group 52. The flushing medium is injected back into the housing 1 through the output end of the reverse osmosis dewatering filter group 52, realizing a single-group dewatering action. Utilizing the technical characteristics of the reverse osmosis dewatering filter group 52, the above-mentioned single-group dewatering action is continuously circulated to achieve the dewatering function.

[0040] Therefore, in this embodiment, the flushing group 21 extracts the flushing medium from the tank 1 and injects it into the flushed pipe c through the oil outlet a to complete static pressure flushing; at the same time, the pulse valve 22 can be activated to further achieve more efficient pulse flushing of the flushed pipe c; in addition, after the flushing group 21 fills the flushed pipe c with the flushing medium, the high-pressure test group extracts the flushing medium from the tank 1 and pressurizes it, and then injects it into the flushed pipe c through the oil outlet a to achieve the pressure test function; the circulating motor pump group 51 extracts the flushing medium from the tank 1 and injects it into the reverse osmosis dewatering filter group 52, and the flushing medium is injected back into the tank 1 through the output end of the reverse osmosis dewatering filter group 52 to achieve single-group dewatering action; by utilizing the technical characteristics of the reverse osmosis dewatering filter group 52, the above-mentioned single-group dewatering action is continuously circulated to achieve the dewatering function; this utility model integrates static pressure flushing, pulse flushing, high-pressure test, and circulating dewatering into the same device, and the device is small in size and has a simple pipeline layout.

[0041] In this embodiment, the flushing assembly 21 includes a drive motor and a hydraulic pump. The drive motor is connected to the hydraulic pump to extract the flushing medium from the housing 1. Furthermore, the hydraulic pump can be a single pump or a series pump to achieve graded flow output and increase the flushing flow rate.

[0042] Furthermore, the number of flushing groups 21 can be one, two, or more, and the specific number can be configured according to flushing flow rate and other needs.

[0043] To adjust the pressure during flushing, in this embodiment, the first oil circuit 2 also includes a first safety pressure regulating valve 23. The output end of the first safety pressure regulating valve 23 is connected to the housing 1, and the input end of the first safety pressure regulating valve 23 is connected in parallel with the output end of the flushing assembly 21. The first safety pressure regulating valve 23 diverts the flushing medium at the output end of the flushing assembly 21, thereby achieving pressure regulation and ensuring the circuit safety of the second oil circuit 3. Furthermore, the first safety pressure regulating valve 23 is also connected to a flushing pressure regulating valve so that the pressure can be adjusted using the flushing pressure regulating valve.

[0044] Furthermore, a flushing pressure gauge is installed on the first oil circuit 2 to detect the pressure of the flushing medium in the first oil circuit 2.

[0045] In this embodiment, the first oil circuit 2 further includes a pressure sensor 24, the input end of which is connected in parallel with the input end of the pulse valve 22, for detecting the flushing medium pressure and working status.

[0046] In this embodiment, the slag removal filter group 31 includes a multi-stage slag removal filter unit connected in series. The multi-stage slag removal filter unit is used to filter contaminants in the rinsing medium step by step. In other embodiments, the slag removal filter group 31 may have only one stage of slag removal filter unit.

[0047] Furthermore, each stage of the slag removal filtration unit includes one or more slag removal filters 311 connected in parallel; one or more slag removal filters 311 are connected in parallel in each stage of the slag removal filter 311 to achieve simultaneous multi-stage high-efficiency filtration and increased flow rate.

[0048] Furthermore, each of the slag removal filters 311 is equipped with a second differential pressure sensor at both its input and output ends to monitor the working status of the filter element so that the filter element can be replaced in a timely manner according to the working status.

[0049] In this embodiment, the second oil circuit 3 further includes a flow detection component 32 and a cleanliness detection group 33. The flow detection component 32 is connected in series with the slag removal filter group 31 and is located at the input end of the slag removal filter group 31. The flow detection component 32 is used to detect the flow rate of the flushing medium entering the slag removal filter group 31. The input end of the cleanliness detection group 33 is connected in parallel with the input end of the slag removal filter group 31 to detect the cleanliness of the flushing medium in the second oil circuit 3, thereby determining the cleanliness of the flushed pipe c so as to control the flushing group 21 to stop working.

[0050] Furthermore, the flow detection component 32 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 32.

[0051] In this embodiment, the high-pressure test assembly includes a high-pressure test motor pump assembly 411, a high-pressure safety regulating valve 412, and a high-pressure test valve 413. The input end of the high-pressure test motor pump assembly 411 is connected to the housing 1, and the output end of the high-pressure test motor pump assembly 411 is connected to the oil outlet a through the high-pressure test valve 413. The high-pressure safety regulating valve 412 is connected in parallel with the high-pressure test motor pump assembly 411. When the high-pressure test assembly is working, the high-pressure test valve 413 is opened, and the high-pressure test motor pump assembly 411 inputs the flushing medium from the housing 1 into the flushed pipeline c through the oil outlet a. The high-pressure safety regulating valve 412 diverts the flushing medium for pressure adjustment.

[0052] It should be noted that a one-way valve is provided between the flushing group 21 and the pulse valve 22, and a one-way valve is provided between the high-pressure test motor pump group 411 and the high-pressure test valve 413, as well as between the slag removal filter group 31 and the housing 1. The one-way flow function of the one-way valve is used to prevent the backflow of the flushing medium and ensure normal operation.

[0053] In this embodiment, the fourth oil circuit 5 is also equipped with a low-pressure safety valve. The input end of the circulating motor pump set 51 is connected to the housing 1, and the output end of the circulating motor pump set 51 is connected to the input end of the reverse osmosis dewatering filter set 52. The low-pressure safety valve is connected in parallel with the circulating motor pump set 51, and the input end of the safety valve is connected to the output end of the circulating motor pump set 51, while the output end of the safety valve is connected to the housing 1. The input end of the reverse osmosis dewatering filter set 52 is connected to the output end of the circulating motor pump set 51, and the output end of the reverse osmosis dewatering filter set 52 is connected to the housing 1. The circulating motor pump set 51 draws the flushing medium from the housing 1 and injects it into the reverse osmosis dewatering filter set 52. The flushing medium is then returned to the housing 1 through the output end of the reverse osmosis dewatering filter set 52. This constitutes a single-unit dewatering action. By utilizing the technical characteristics of the reverse osmosis dewatering filter set 52, the above-mentioned single-unit dewatering action is continuously cyclical to achieve the dewatering function of the fourth oil circuit 5.

[0054] The technical feature of the reverse osmosis dewatering filter group 52 is that it utilizes the oleophilic and hydrophobic properties of ultrafine glass fiber and employs a multi-stage pressureless reverse osmosis principle to achieve oil-water separation. In this embodiment, the reverse osmosis dewatering filter group 52 includes multi-stage dewatering filter units, which are connected in series to remove contaminants in the flushing medium step by step. In other embodiments, the sludge removal filter group 31 may have only one stage of dewatering filter unit.

[0055] Furthermore, each stage of the water removal filtration unit includes one or more reverse osmosis water removal filters 521 connected in parallel. One or more sludge removal filters 311 are connected in parallel with each stage of reverse osmosis water removal filter 521 to achieve simultaneous multi-stage high-efficiency filtration and increased flow rate.

[0056] Each of the reverse osmosis water removal filters 521 is preferably equipped with a first differential pressure sensor at both its input and output ends, so as to replace the reverse osmosis water removal filter components in a timely manner according to the working status.

[0057] In this embodiment, the integrated pipeline flushing and pressure testing device with water removal function further includes a heater 6 and a cooler 7. The heater 6 is installed on the housing 1 and is used to heat the flushing medium. The input end of the cooler 7 is connected in parallel with the output end of the slag removal filter group 31, and the output end of the cooler 7 is connected to the housing 1. When the temperature of the flushing medium is too high, it is cooled by the cooler 7 to keep the temperature of the flushing medium constant within a certain range.

[0058] In this embodiment, the integrated pipeline flushing and pressure testing device with dewatering function further includes a pump set 8 for pumping and transferring oil. One end of the pump set 8 is connected to the housing 1, and the other end is connected to an external component. It is used to input flushing medium into the housing 1 or output flushing medium from the housing 1 to the external component, for pumping flushing medium into the housing 1 or discharging flushing medium from the housing 1 to the external component. The external component includes an external medium tank or other location.

[0059] The above-disclosed embodiment is merely a preferred embodiment of the present utility model and should not be construed as limiting the scope of the present utility model. Therefore, any equivalent variations made in accordance with the claims of the present utility model shall still fall within the scope of the present utility model.

Claims

1. An integrated pipeline flushing and pressure testing device, characterized in that, It includes the housing, the first oil passage, the second oil passage, the third oil passage, and the fourth oil passage; The input end of the first oil circuit is connected to the housing, the output end of the first oil circuit is provided with an oil outlet, the first oil circuit is provided with a flushing group and a pulse valve, and the flushing group is connected to the pulse valve; The output end of the second oil circuit is connected to the housing, the input end of the second oil circuit is provided with an oil return port, and the second oil circuit is provided with a slag removal filter group; The input end of the third oil circuit is connected to the housing, the output end of the third oil circuit is connected to the oil outlet, and the third oil circuit is equipped with a high-pressure test group; The input and output ends of the fourth oil circuit are both connected to the housing. The fourth oil circuit is equipped with a circulating motor pump group and a reverse osmosis water removal filter group arranged in series.

2. The integrated pipeline flushing and pressure testing device as described in claim 1, characterized in that, The fourth oil circuit is also equipped with a low-pressure safety valve. The input end of the circulating motor pump unit is connected to the housing, and the output end of the circulating motor pump unit is connected to the input end of the reverse osmosis water removal filter unit. The low-pressure safety valve is connected in parallel with the circulating motor pump set, the input end of the safety valve is connected to the output end of the circulating motor pump set, and the output end of the safety valve is connected to the housing. The input end of the reverse osmosis water removal filter group is connected to the output end of the circulating motor pump group, and the output end of the reverse osmosis water removal filter group is connected to the housing.

3. The integrated pipeline flushing and pressure testing device as described in claim 1, characterized in that, The first oil circuit is also equipped with a first safety pressure regulating valve. The output end of the first safety pressure regulating valve is connected to the housing, and the input end of the first safety pressure regulating valve is connected in parallel with the output end of the flushing group.

4. The integrated pipeline flushing and pressure testing device as described in claim 1 or 3, characterized in that, The first oil circuit is also equipped with a pressure sensor, the input end of which is connected in parallel with the input end of the pulse valve.

5. The integrated pipeline flushing and pressure testing device as described in claim 1, characterized in that, The high-pressure test assembly includes a high-pressure test motor pump set, a high-pressure safety pressure regulating valve, and a high-pressure test valve; The input end of the high-pressure test motor pump set is connected to the housing, and the output end of the high-pressure test motor pump set is connected to the oil outlet through the high-pressure test valve; The high-pressure safety regulating valve is connected in parallel with the high-pressure test motor pump group.

6. The integrated pipeline flushing and pressure testing device as described in claim 1 or 2, characterized in that, The reverse osmosis water removal filtration group includes multiple stages of water removal filtration units, which are connected in series. Each stage of the water removal filtration unit includes one or more reverse osmosis water removal filters connected in parallel; and / or The slag removal filter group includes multiple slag removal filter units, which are connected in series. Each slag removal filter unit includes one or more slag removal filters connected in parallel.

7. The integrated pipeline flushing and pressure testing device as described in claim 6, characterized in that, Each of the reverse osmosis water removal filters is equipped with a first differential pressure sensor at both its input and output ends; and / or Each of the aforementioned slag removal filters is equipped with a second differential pressure sensor at both its input and output ends.

8. The integrated pipeline flushing and pressure testing device as described in claim 1, characterized in that, The second oil circuit is also equipped with a flow detection component and a cleanliness detection group, wherein, The flow detection component is connected in series with the slag removal filter group, and the flow detection component is located at the input end of the slag removal filter group; The input terminal of the cleanliness detection group is connected in parallel with the input terminal of the slag removal and filtration group.

9. The integrated pipeline flushing and pressure testing device as described in claim 1, characterized in that, It also includes a heater and a cooler. The heater is mounted on the housing, and the input end of the cooler is connected in parallel with the output end of the slag removal filter group. The output end of the cooler is connected to the housing.

10. The integrated pipeline flushing and pressure testing device as described in claim 1, characterized in that, It also includes a pump set for pumping oil, one end of which is connected to the housing and the other end is connected to an external component, for inputting flushing medium into the housing or outputting flushing medium from the housing to the external component.

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