CN219369065U - Air supplementing pipe pressurizing device based on air bag structure - Google Patents
Air supplementing pipe pressurizing device based on air bag structure Download PDFInfo
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- CN219369065U CN219369065U CN202320092591.4U CN202320092591U CN219369065U CN 219369065 U CN219369065 U CN 219369065U CN 202320092591 U CN202320092591 U CN 202320092591U CN 219369065 U CN219369065 U CN 219369065U
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Abstract
The air supplementing pipe pressurizing device based on the air bag structure comprises a pressure bearing air bag, wherein a pressurizing air pipe is penetrated in the pressure bearing air bag, two ends of the pressurizing air pipe are closed and penetrated outside the pressure bearing air bag, a pressurizing water pipe is penetrated in the pressurizing air pipe, and an air inlet is formed in the side wall of the pressurizing air pipe positioned in the pressure bearing air bag; the side wall of one end of the pressurizing air pipe, which is positioned outside the pressure-bearing air bag, is connected with an air inlet pipe, and an air pipe valve is arranged on the air inlet pipe; one end of the pressurized water pipe, which is positioned outside the pressure-bearing air bag, is connected with a water inlet pipe, and a water pipe valve is arranged on the water inlet pipe. The utility model adopts the structure, can effectively solve the technical problems in the prior art, and realizes the purpose of stable and rapid detection operation of the air supplementing pipe.
Description
Technical Field
The utility model relates to the technical field of unit air supplementing pipe detection, in particular to an air supplementing pipe pressurizing device based on an air bag structure.
Background
For the giant mixed flow type unit, unstable operation is most easily caused under the working conditions of high water head and partial load, and air supplementing is one of the very effective methods of eliminating pressure pulsation, weakening the strength of a rotary vortex belt, inhibiting cavitation, reducing noise and unit vibration, and arranging a corresponding air supplementing valve and an air supplementing pipe inside a large shaft.
The air supplementing pipe is generally connected in a segmented mode, flange sealing and plug-in sealing are arranged at the connecting positions, and a part of the machine set is further provided with a corresponding butterfly valve. The height of the air supplementing pipe is lower than the downstream tail water level, if sealing and butterfly valve installation have defects, the air supplementing pipe is inevitably leaked, and the safe and stable operation of the unit is influenced. The tail end of the air supplementing pipe of part of the unit is not provided with a corresponding flange, a pressing blocking plate cannot be installed for pressing, the leakage condition of the air supplementing pipe is only checked after tail water is filled, once leakage occurs, the door is required to be dropped for drainage, the air supplementing pipe is reinstalled for sealing, the construction period is delayed, and time and labor are wasted. For the unit that the air make-up pipe terminal has set up corresponding flange, there is the operation demand that presses the flange to need the flip-chip, exists certain operation safety risk.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an air supplementing pipe pressurizing device based on an air bag structure, which can effectively solve the technical problem in the prior art and realize the purpose of stable and rapid air supplementing pipe detection operation.
In order to solve the technical problems, the utility model adopts the following technical scheme: the air supplementing pipe pressurizing device based on the air bag structure comprises a pressure bearing air bag, wherein a pressurizing air pipe is penetrated in the pressure bearing air bag, two ends of the pressurizing air pipe are closed and penetrated outside the pressure bearing air bag, a pressurizing water pipe is penetrated in the pressurizing air pipe, and an air inlet is formed in the side wall of the pressurizing air pipe positioned in the pressure bearing air bag;
the side wall of one end of the pressurizing air pipe, which is positioned outside the pressure-bearing air bag, is connected with an air inlet pipe, and an air pipe valve is arranged on the air inlet pipe;
the pressurized water pipe is connected with a water inlet pipe at one end outside the pressure-bearing air bag, and a water pipe valve is arranged on the water inlet pipe.
In the preferred scheme, the air inlet pipe and the water inlet pipe are respectively provided with a pressure gauge.
In the preferred scheme, the pressure-bearing air bag, the pressurizing air pipe and the pressurizing water pipe form a device body together, and the device body is arranged in the pipe orifices at the two ends of the central air supplementing pipe.
In the preferred scheme, the device bodies arranged in the pipe orifices at the two ends of the central air supplementing pipe are fixed through the air inflation of the pressure-bearing air bags.
In the preferred scheme, the outer wall of the pressure-bearing air bag is provided with a bulge for increasing friction force.
The air supplementing pipe pressurizing device based on the air bag structure has the following beneficial effects that by adopting the structure:
(1) The device has the advantages of simple structure, low manufacturing cost, simple operation, safety and reliability, and can realize the pressurizing of the air supplementing pipe with the end without a flange structure and check the leakage condition in advance;
(2) For the air supplementing pipe with the flange pressing structure at the tail end, the device also reduces the operation risk brought by the installation of the pressing flange, and ensures the safety of operators;
(3) The method is suitable for construction of similar operations in hydropower and related industries, and has good universality and remarkable industrial popularization value.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic structural diagram of the present utility model when the operation of detecting the air supply pipe is performed.
In the figure: the pressure-bearing air bag 1, the pressurizing air pipe 2, the air inlet pipe 201, the pressurizing water pipe 3, the water inlet pipe 301, the water pipe valve 4, the air pipe valve 5, the air inlet 6, the device body 7, the central air supplementing pipe 8 and the seal 9.
Detailed Description
As shown in fig. 1-2, an air supplementing pipe pressurizing device based on an air bag structure comprises a pressure-bearing air bag 1, wherein an pressurizing pipe 2 is penetrated in the pressure-bearing air bag 1, two ends of the pressurizing pipe 2 are closed and penetrated outside the pressure-bearing air bag 1, a pressurizing water pipe 3 is penetrated in the pressurizing pipe 2, and an air inlet 6 is formed in the side wall of the pressurizing pipe 2 positioned in the pressure-bearing air bag 1;
the side wall of one end of the pressurizing air pipe 2 positioned outside the pressure-bearing air bag 1 is connected with an air inlet pipe 201, and an air pipe valve 5 is arranged on the air inlet pipe 201;
the pressurizing water pipe 3 is positioned at one end outside the pressure-bearing air bag 1, a water inlet pipe 301 is connected to one end of the pressurizing water pipe, and a water pipe valve 4 is arranged on the water inlet pipe 301.
In a preferred embodiment, the air inlet pipe 201 and the water inlet pipe 301 are respectively provided with a pressure gauge.
In the preferred scheme, the pressure-bearing air bag 1, the pressurizing air pipe 2 and the pressurizing water pipe 3 jointly form a device body 7, and the device body 7 is arranged in the pipe orifices at the two ends of the central air supplementing pipe 8.
In the preferred scheme, the device body 7 arranged in the pipe orifices at the two ends of the central air supplementing pipe 8 is fixed by the air inflation of the pressure-bearing air bag 1.
In a preferred scheme, the outer wall of the pressure-bearing air bag 1 is provided with a bulge for increasing friction force.
The utility model discloses a device is suppressed to air supply pipe based on gasbag structure when using:
as shown in fig. 2, the device body 7 is installed at the upper and lower ends of the central air supplementing pipe 8, and the pressure-bearing air bag 1 is inflated to rated pressure by opening the air pipe valve 5 on the air inlet pipe 201, so that the pressure-bearing air bag 1 is fully contacted with the pipe wall of the central air supplementing pipe 8 to fix the device body 7 at the port of the central air supplementing pipe 8.
Then, a pressurizing pump is connected to the water inlet pipe 301 of the lower device body 7, the water pipe valve 4 is opened to inject clean water, the water pipe valve 4 of the upper device body 7 is opened to exhaust air, and the upper water pipe valve 4 is closed after the clean water is discharged.
Continuously pressurizing to rated pressure (the water pressure in the pressurizing water pipe 3 and the air pressure in the pressure-bearing air bag 1 are measured through the pressure appearance), closing the water pipe valve 5 of the device body 7 positioned below, observing the reading change of the pressure gauge on the water inlet pipe 301 within a specified time, and checking whether the positions of the sealing 9 and the valve of the air supplementing pipe are leaked or not. And meanwhile, the reading change of the air bag pressure gauge is observed so as to prevent the air bag from losing efficacy.
After the pressing operation is finished, the water pipe valve 4 of the device body 7 positioned below is opened, and the clean water in the central air supplementing pipe 8 is discharged.
After the clean water is discharged, the air pipe valve 5 on the air inlet pipe 201 connected with the pressure-bearing air bag 1 is opened for exhausting.
Finally, the device body 7 at the upper end and the lower end of the central air supplementing pipe 8 is taken out to finish the operation.
Claims (5)
1. Air supplementing pipe pressurizing device based on air bag structure, its characterized in that: the pressure-bearing air bag comprises a pressure-bearing air bag (1), wherein a pressure-bearing air pipe (2) is arranged in the pressure-bearing air bag (1) in a penetrating manner, two ends of the pressure-bearing air pipe (2) are closed and are arranged outside the pressure-bearing air bag (1) in a penetrating manner, a pressure-bearing water pipe (3) is arranged in the pressure-bearing air pipe (2) in a penetrating manner, and an air inlet (6) is formed in the side wall of the pressure-bearing air pipe (2) positioned in the pressure-bearing air bag (1);
the side wall of one end of the pressurizing air pipe (2) positioned outside the pressure-bearing air bag (1) is connected with an air inlet pipe (201), and an air pipe valve (5) is arranged on the air inlet pipe (201);
the pressurizing water pipe (3) is positioned at one end outside the pressure-bearing air bag (1) and is connected with a water inlet pipe (301), and a water pipe valve (4) is arranged on the water inlet pipe (301).
2. The air bag structure-based air supply tube pressurizing device according to claim 1, wherein: the air inlet pipe (201) and the water inlet pipe (301) are respectively provided with a pressure gauge.
3. The air bag structure-based air supply tube pressurizing device according to claim 1, wherein: the pressure-bearing air bag (1), the pressurizing air pipe (2) and the pressurizing water pipe (3) form a device body (7), and the device body (7) is arranged in pipe orifices at two ends of the central air supplementing pipe (8).
4. A supplemental airway pressure apparatus according to claim 3, wherein: the device body (7) arranged in the pipe orifices at the two ends of the central air supplementing pipe (8) is fixed by the air filling expansion of the pressure-bearing air bag (1).
5. The air bag structure-based air supply tube pressurizing device according to claim 1, wherein: the outer wall of the pressure-bearing air bag (1) is provided with a bulge for increasing friction force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320092591.4U CN219369065U (en) | 2023-01-31 | 2023-01-31 | Air supplementing pipe pressurizing device based on air bag structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320092591.4U CN219369065U (en) | 2023-01-31 | 2023-01-31 | Air supplementing pipe pressurizing device based on air bag structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219369065U true CN219369065U (en) | 2023-07-18 |
Family
ID=87139278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320092591.4U Active CN219369065U (en) | 2023-01-31 | 2023-01-31 | Air supplementing pipe pressurizing device based on air bag structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219369065U (en) |
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2023
- 2023-01-31 CN CN202320092591.4U patent/CN219369065U/en active Active
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