CN214703107U - Pipeline pressure testing device - Google Patents
Pipeline pressure testing device Download PDFInfo
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- CN214703107U CN214703107U CN202120451160.3U CN202120451160U CN214703107U CN 214703107 U CN214703107 U CN 214703107U CN 202120451160 U CN202120451160 U CN 202120451160U CN 214703107 U CN214703107 U CN 214703107U
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Abstract
The utility model provides a pipeline pressure testing device belongs to pipeline detection technology field. The technical scheme is as follows: the water pressure testing device comprises a water tank, wherein one end of the water tank is connected with a water source through a main water inlet pipe, the other end of the water tank is sequentially connected with a pressure testing pump and a plurality of water distribution main pipes through a main pipeline, two adjacent water distribution main pipes are connected through a water distribution main pipe control valve, the upper parts of the water distribution main pipes are communicated with a plurality of water distribution branch pipes, the upper ends of the water distribution branch pipes are communicated with the pressure testing pipeline, the water distribution branch pipe control valves are arranged on the water distribution branch pipes, and a main control valve is arranged between each water distribution main pipe and the pressure testing pump; the water source is communicated with the main pipeline through a bypass pipeline, the communication position of the bypass pipeline and the main pipeline is positioned between the main control valve and the pressure test pump, the bypass pipeline is provided with a bypass control valve, and the main water inlet pipe is provided with a main water inlet pipe control valve; a check valve is arranged between the communication position of the bypass pipeline and the main pipeline and the pressure test pump. The utility model has the advantages that: realize the synchronous pressure testing of many pipelines.
Description
Technical Field
The utility model relates to a pipeline inspection technical field especially relates to a pipeline pressure testing device.
Background
At present, the arrangement of building and industrial electromechanical pipelines in China is relatively centralized, generally, the pipelines are centrally arranged on basements, pipe shafts and pipe gallery frames, at present, a mode of independent pressure test of a pipeline distribution system is often adopted for building electromechanical and industrial pipeline pressure test, particularly, the arrangement of the pipeline system is more for main vertical pipes of building electromechanical water supply and pipelines on the industrial electromechanical pipe gallery frames, and the traditional pressure test method has the defects of long water injection time, low construction efficiency, more water consumption, high cost and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can realize pipeline pressure testing device of synchronous pressure testing of many pipelines.
The utility model discloses a realize through following technical scheme: the pipeline pressure testing device is characterized by comprising a water tank, wherein one end of the water tank is connected with a water source through a main water inlet pipe, the other end of the water tank is sequentially connected with a pressure testing pump and a plurality of water distribution main pipes through a main pipeline, two adjacent water distribution main pipes are connected through a water distribution main pipe control valve, the upper parts of the water distribution main pipes are communicated with a plurality of water distribution branch pipes, the upper ends of the water distribution branch pipes are communicated with a pressure testing pipeline, the water distribution branch pipe control valves are arranged on the water distribution branch pipes, and a main control valve is arranged between each water distribution main pipe and the pressure testing pump;
the water source is communicated with the main pipeline through a bypass pipeline, the communication position of the bypass pipeline and the main pipeline is positioned between the main control valve and the pressure test pump, a bypass control valve is arranged on the bypass pipeline, and a main water inlet pipe control valve is arranged on the main water inlet pipe;
and a check valve is arranged between the communication part of the bypass pipeline and the main pipeline and the pressure test pump.
The test pressure of the pressure test pipeline is gradually increased, and the test pressure of the test tube pipeline close to the pressure test pump is the lowest.
And the lower part of any water distribution main pipe is provided with an emptying valve which is communicated with the upper part of the water tank through a hose. Preferably, all of said water distribution mains are provided with said emptying valve.
Pressure gauges are arranged on the water diversion branch pipes and the water diversion main pipes.
The water diversion branch pipe and the water diversion main pipe are vertically arranged and are in a vertical state. So that the water distribution branch pipes form a U shape.
The water diversion main pipe is provided with two, each water diversion main pipe is communicated with two water diversion branch pipes, and the lower portion of the water diversion main pipe, which is far away from the pressure test pump, is provided with a drain valve.
The emptying valve is communicated with the upper part of the water tank through a hose.
And the pressure test pressure of the pressure test pipeline on the water diversion main pipe far away from the pressure test pump is greater than that of the pressure test pipeline on the water diversion main pipe close to the pressure test pump.
The main water inlet pipe control valve, the water diversion branch pipe control valve, the water diversion main pipe control valve, the main control valve and the bypass control valve are all high-pressure ball valves.
The pressure test pump adopts an electric multistage pump.
The working principle is as follows: firstly, connecting two or more pipeline systems with high test pressure and similar test pressure with a water distribution branch pipe on the same water distribution main pipe by two or more pipeline systems needing to ensure pressure test firstly, selecting the water distribution main pipe far away from a pressure test pump, injecting water into the water distribution main pipe through a bypass pipeline, enabling the water to enter the pipeline systems through the water distribution branch pipe, respectively pressurizing the pipeline systems through the pressure test pump after the water injection is finished, and cooperatively performing the process by controlling the opening and closing of each valve, after the test of the pipeline system on the water distribution main pipe is finished, opening a water distribution main pipe control valve close to the water distribution main pipe, injecting test water into the pipeline system on the other water distribution main pipe by using the pressure in the pressure test pipeline, recovering the residual water in the pressure test pipeline system into a water tank through a drain valve and a hose on the water distribution main pipe, pumping water from the water tank by the pressure test pump, injecting the water into a pipeline to be tested for water supplement and pressurizing, the subsequent experimental procedure is similar to the previous procedure.
The utility model has the advantages that: the synchronous pressure testing of multiple pipelines can be realized, 100 percent of water for pressure testing can be recycled, and water resources can be saved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Wherein the reference numerals are: 1. a first water diversion branch pipe; 2. a water diversion branch pipe II; 3. a water diversion branch pipe III; 4. a fourth water diversion branch pipe; 5. a first water diversion main pipe; 6. a second water diversion main pipe; 7. a water tank; 8. a main water inlet pipe; 9. a bypass conduit; 10. a hose; 11. a pressure test pump; 12. a check valve; 13. a main pipeline; 14. a pressure gauge; v1, a control valve of the water diversion branch pipe; v2, a control valve of a water diversion branch pipe II; v3, a water diversion branch pipe three control valves; v4, a four-control valve of a water diversion branch pipe; v5, main control valve; v6, bypass control valve; v7, main inlet pipe control valve; v8, vent valve; v9, a water distribution main pipe control valve.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
The first embodiment is as follows:
referring to fig. 1, the utility model relates to a pipeline pressure testing device, including water tank 7, one end of water tank 7 is connected with the water source through main inlet tube 8, the other end of water tank 7 connects gradually pressure testing pump 11 and a plurality of branch water main through trunk line 13, connect through branch water main control valve V9 between two adjacent branch water main, the upper portion of branch water main communicates has a plurality of branch water pipes, the branch water pipe upper end communicates the pressure testing pipeline, all be provided with branch water pipe control valve on the branch water pipe, be provided with main control valve V5 between branch water main and pressure testing pump 11;
the water source is communicated with the main pipeline 13 through a bypass pipeline 9, the communication part of the bypass pipeline 9 and the main pipeline 13 is positioned between a main control valve V5 and the pressure test pump 11, a bypass control valve V6 is arranged on the bypass pipeline 9, and a main water inlet pipe control valve V7 is arranged on the main water inlet pipe 8;
a check valve 12 is arranged between the communication part of the bypass pipeline 8 and the main pipeline 13 and the pressure test pump 11.
The test pressure of the pressure test pipeline gradually increases, and the test pressure of the test tube pipeline close to the pressure test pump 11 is the lowest.
The lower part of any water-dividing trunk pipe is provided with an emptying valve V8, and the emptying valve V8 is communicated with the upper part of the water tank 7 through a hose 10.
Pressure gauges 14 are arranged on the branch water diversion pipes and the main water diversion pipe.
The branch water diversion pipes are perpendicular to the main water diversion pipe and are in a vertical state. Thus, a U shape can be formed between the water distribution branch pipes.
The main water inlet pipe control valve V7, the water diversion branch pipe control valve, the water diversion main pipe control valve V9, the main control valve V5 and the bypass control valve V6 all adopt high-pressure ball valves.
The pressure test pump 11 is an electric multistage pump.
Example two:
the difference from the first embodiment is only that the number of the branch water pipes and the branch water main pipes is limited, referring to fig. 1, two branch water main pipes are arranged, a first branch water main pipe 5 and a second branch water main pipe 6 are arranged on the first branch water main pipe 5, a first branch water pipe 1 and a second branch water pipe 2 are arranged on the second branch water main pipe 6, a third branch water pipe 3 and a fourth branch water pipe 4 are arranged on the second branch water main pipe 6, a first branch water pipe control valve V1 is arranged on the first branch water pipe 1, a second branch water pipe control valve V2 is arranged on the second branch water pipe 2, a third branch water pipe control valve V3 is arranged on the third branch water pipe 3, a fourth branch water pipe control valve V4 is arranged on the fourth branch water pipe 4, and an air release valve V8 is arranged on the lower portion of the second branch water main pipe 6 far away from the pressure test pump 11.
The drain valve V8 communicates with the upper part of the water tank 7 through a hose 10.
The pressure test pressure of the pressure test pipeline on the second water diversion main pipe 6 far away from the pressure test pump 11 is greater than that of the pressure test pipeline on the first water diversion main pipe.
The use method comprises the following steps: for the condition of arrangement of a plurality of vertical pipes in a building electromechanical pipe well and a plurality of pipe systems above an industrial electromechanical pipe rack, firstly, carrying out water injection pressure test on a water distribution branch pipe three 3 and a water distribution branch pipe four 4 which are communicated with two pipe systems with high test pressure and similar test pressure, opening V3, V4, V5, V6 and V9, closing the rest, enabling a nearby temporary pressure water source to be accessed through a main water inlet pipe 8 and a bypass pipe 9, injecting water by utilizing the pressure of the water source, closing V6 after the natural pressure water injection is finished, opening V7, enabling water to enter a water tank 7, simultaneously starting a pressure test pump 11 to pressurize the water distribution branch pipe three 3 and the water distribution branch pipe four 4, observing pressure gauge readings on a water distribution main pipe two 6, the water distribution branch pipe three 3 and the water distribution branch pipe four 4, closing V3 to stabilize pressure after the water distribution branch pipe three 3 reaches the test pressure, closing V4 and stabilizing pressure after the water distribution branch pipe four 4 reaches the test pressure, during the period, the pressure is supplemented at any time according to the pressure change of the respective pipeline system.
After the two pipeline systems are tested according to requirements, V1, V2, V3 and V4 are started, and V5 keeps a closed state, water in the tested pipeline system largely flows into the pipeline system to be tested, which is communicated with the water distribution branch pipe two 2 and the water distribution branch pipe one 1, through the water distribution branch pipe three 3 and the water distribution branch pipe four 4, according to the principle of a U-shaped pipe, when liquid levels of the water distribution branch pipe one 1, the water distribution branch pipe two 2, the water distribution branch pipe three 3 and the water distribution branch pipe four 4 are flush and readings of a pressure gauge are basically consistent, V9 is closed, V8 is started, residual water in the tested water distribution branch pipe three 3 and the water distribution branch pipe four 4 is recovered to the water tank 7 through an emptying valve and a hose, and the pressure test pump 11 pumps water from the water tank 7 to the water distribution branch pipe one 1 and the water distribution branch pipe two 2 for water supplement and pressurization, so that synchronous pressure testing of multiple pipelines and recycling of pressure testing water are realized. The subsequent pressure test is operated in the same way as the tested pipeline system.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.
Claims (8)
1. The pipeline pressure testing device is characterized by comprising a water tank, wherein one end of the water tank is connected with a water source through a main water inlet pipe, the other end of the water tank is sequentially connected with a pressure testing pump and a plurality of water distribution main pipes through a main pipeline, two adjacent water distribution main pipes are connected through a water distribution main pipe control valve, the upper parts of the water distribution main pipes are communicated with a plurality of water distribution branch pipes, the upper ends of the water distribution branch pipes are communicated with a pressure testing pipeline, the water distribution branch pipe control valves are arranged on the water distribution branch pipes, and a main control valve is arranged between each water distribution main pipe and the pressure testing pump;
the water source is communicated with the main pipeline through a bypass pipeline, the communication position of the bypass pipeline and the main pipeline is positioned between the main control valve and the pressure test pump, a bypass control valve is arranged on the bypass pipeline, and a main water inlet pipe control valve is arranged on the main water inlet pipe;
and a check valve is arranged between the communication part of the bypass pipeline and the main pipeline and the pressure test pump.
2. The pipeline pressure testing device according to claim 1, wherein the testing pressure of the pressure testing pipeline gradually increases, and the testing pressure of the test tube pipeline close to the pressure testing pump is the lowest.
3. The pipeline pressure testing device according to claim 1, wherein a drain valve is arranged at the lower part of any water distribution main pipe, and the drain valve is communicated with the upper part of the water tank through a hose.
4. The pipeline pressure testing device according to claim 1, wherein pressure gauges are arranged on the branch water pipes and the main water pipes.
5. The pipeline pressure testing device according to claim 1, wherein the branch water diversion pipes are perpendicular to the main water diversion pipe and are in a vertical state.
6. The pipeline pressure testing device according to claim 1, wherein two water diversion trunk pipes are arranged, each water diversion trunk pipe is communicated with two water diversion branch pipes, and a drain valve is arranged at the lower part of the water diversion trunk pipe far away from the pressure testing pump.
7. The pipeline pressure testing device according to claim 6, wherein the emptying valve is communicated with the upper part of the water tank through a hose.
8. The pipeline pressure testing device according to claim 6, wherein the pressure testing pressure of the pressure testing pipeline on the water diversion trunk pipe far away from the pressure testing pump is greater than the pressure testing pressure of the pressure testing pipeline on the water diversion trunk pipe close to the pressure testing pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120451160.3U CN214703107U (en) | 2021-03-02 | 2021-03-02 | Pipeline pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120451160.3U CN214703107U (en) | 2021-03-02 | 2021-03-02 | Pipeline pressure testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214703107U true CN214703107U (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120451160.3U Active CN214703107U (en) | 2021-03-02 | 2021-03-02 | Pipeline pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214703107U (en) |
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2021
- 2021-03-02 CN CN202120451160.3U patent/CN214703107U/en active Active
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