CN215719309U - Irrigation water supply pipe evacuation structure - Google Patents
Irrigation water supply pipe evacuation structure Download PDFInfo
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- CN215719309U CN215719309U CN202121394507.1U CN202121394507U CN215719309U CN 215719309 U CN215719309 U CN 215719309U CN 202121394507 U CN202121394507 U CN 202121394507U CN 215719309 U CN215719309 U CN 215719309U
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Abstract
The utility model discloses an emptying structure of an irrigation water supply pipe, which comprises an irrigation motor-pumped well for storing water, wherein a water pump is arranged in the irrigation motor-pumped well, a water raising pipe for upwards conveying water pumped by the water pump is arranged on the water pump, a check valve for preventing water from flowing back into the irrigation motor-pumped well is arranged on an extending end of the water raising pipe extending out of the irrigation motor-pumped well, the end part of the extending end is communicated with external air, an air inlet valve for controlling the on-off of the inside of the extending end and the external air is arranged on the end part of the extending end, a plurality of water taking ports are arranged between the check valve and the air inlet valve on the extending end, an emptying backflow pipe communicated with the extending end is arranged on the extending end, an emptying valve is arranged on the emptying backflow pipe, and connecting ends of the emptying backflow pipe are respectively arranged on two sides of the check valve. The utility model has simple structure, has obvious effect of emptying the water pipe of the water supply system in large-field complex terrain, and can realize the complete emptying of the water pipe by only a small amount of pipes and two valves.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an emptying structure of an irrigation water supply pipe.
[ background of the utility model ]
The afforestation of garden engineering plants to a large extent and plants a large amount of and maintenance need irrigation water, therefore irrigation water supply engineering occupies important position in afforestation engineering, especially water supply pipe engineering belongs to secret hidden engineering, and just need leading just can guarantee that later stage afforestation engineering has irrigation water to be available.
In the green space construction of large tracts of land, the irrigation engineering volume of supplying water is great, and the topography elevation in afforestation place is complicated, and the pre-buried elevation of water supply pipe is along with the height fluctuation of topography, and many positions of water supply pipe are in there is the water state throughout the year, and the concealed water supply pipe in cold areas at present just prevents the pipeline frost heaving through the mode of burying deeply underground, does not add the auxiliary prevention in the aspect of the water supply pipe evacuation, pipeline frost crack when causing extremely cold weather to appear in many areas, causes economic loss.
Therefore, the present invention has been made in view of the above disadvantages.
[ Utility model ] content
The utility model aims to overcome the defects of the prior art and provides the irrigation water supply pipe emptying structure which is simple in structure and can empty accumulated water in a pipeline.
The utility model is realized by the following technical scheme:
an irrigation water supply pipe emptying structure is characterized by comprising an irrigation motor-pumped well 1 used for storing water, a water pump 2 is arranged in the irrigation motor-pumped well 1, the water pump 2 is provided with a water raising pipe 3 which conveys water pumped by the water pump 2 upwards, the extending end 4 of the water raising pipe 3 extending out of the irrigation motor-pumped well 1 is provided with a check valve 5 which prevents water from flowing back into the irrigation motor-pumped well 1, the end part of the extension end 4 is communicated with the outside air, the end part of the extension end 4 is provided with an air inlet valve 6 for controlling the on-off of the extension end 4 and the outside air, a plurality of water intake ports 7 are arranged on the extending end 4 between the check valve 5 and the air intake valve 6, an emptying backflow pipe 8 communicated with the extension end 4 is arranged on the extension end 4, an emptying valve 9 is arranged on the emptying backflow pipe 8, and connecting ends of the emptying backflow pipe 8 are respectively arranged on two sides of the check valve 5.
The irrigation water supply pipe emptying structure is characterized in that one connecting end of the emptying return pipe 8 is connected between the check valve 5 and the water intake 7, and the other connecting end of the emptying return pipe 8 is connected to the vertical end of the water raising pipe 3 in the irrigation motor-pumped well 1.
The irrigation water supply pipe emptying structure is characterized in that an air pump capable of compressing air and sending the air into the extension end 4 is arranged on one side, close to the air inlet valve 6, of the extension end 4.
The irrigation water supply pipe emptying structure is characterized by further comprising a valve well 10 with an opening at the upper end, the check valve 5 and the emptying valve 9 are arranged in the valve well 10, and a valve well cover 11 for covering the opening of the valve well 10 is arranged on the valve well 10.
The irrigation water supply pipe emptying structure is characterized in that a protective pipe sleeve 12 which covers the air inlet valve 6 and is provided with an opening at the upper end is arranged outside the air inlet valve 6, and a protective cover 13 which covers the opening is arranged on the protective pipe sleeve 12.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, when the water needs to be drained, the water pump is closed, the air inlet valve and the drain valve are simultaneously opened, the pipeline is communicated with the atmosphere, water in the pipeline flows back to the irrigation motor-pumped well from the drain return pipe through the water raising pipe due to gravity, the structure is simple, the drain effect of the water pipe of the water supply system in a large field and a complex terrain is obvious, the water pipe can be completely drained only by a small amount of pipes and two valves, and the construction cost is not additionally increased.
2. According to the utility model, the air pump is additionally arranged on one side of the extending end close to the air inlet valve, so that air can be compressed and sent into the pipeline, accumulated water remained in the pipeline is pushed and emptied, and the accumulated water is ensured to be completely emptied.
[ description of the drawings ]
Fig. 1 is a schematic structural view of the present invention.
[ detailed description ] embodiments
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1, an irrigation water supply pipe emptying structure comprises an irrigation motor-pumped well 1 for storing water, a water pump 2 is arranged in the irrigation motor-pumped well 1, a water pump pipe 3 for conveying water pumped by the water pump 2 upwards is arranged on the water pump 2, a check valve 5 for preventing water from flowing back into the irrigation motor-pumped well 1 is arranged on an extending end 4 of the water pump pipe 3 extending out of the irrigation motor-pumped well 1, the end part of the extending end 4 is communicated with outside air, an air inlet valve 6 for controlling the on-off of the extending end 4 and the outside air is arranged on the end part of the extending end 4, a plurality of water inlets 7 are arranged between the check valve 5 and the air inlet valve 6 on the extending end 4, an emptying backflow pipe 8 communicated with the extending end 4 is arranged on the extending end 4, an emptying backflow valve 9 is arranged on the emptying backflow pipe 8, and connecting ends of the emptying backflow pipe 8 are respectively arranged on two sides of the check valve 5. In this embodiment, the water pump 2 is a submersible pump and is located at the lowest point, and is always deep underwater in the working process, the water inlet is located at the lowest point of the water pump 2, the fall of water is large, and the emptying valve 9 is in a closed state when the water pump 2 works normally. When needs are emptied the water pump 2 is closed to opening admission valve 6, exhaust-valve 9 simultaneously, pipeline and atmosphere intercommunication, the water in the pipeline is because gravity flow from evacuation back flow 8 through lifting pipe 3 backward flow irrigation motor-pumped well 1, simple structure, is showing to the water pipe evacuation effect of the water supply system in complicated topography in big place, and only need a small amount of tubular product and two valves can realize the water pipe and empty completely, can additionally not increase engineering cost.
Specifically, one connecting end of the evacuation return pipe 8 is connected between the check valve 5 and the water intake 7, and the other connecting end of the evacuation return pipe 8 is connected to the vertical end of the water lifting pipe 3 in the irrigation pumped well 1.
Further, an air pump capable of compressing air to be fed into the protruding end 4 is arranged on one side of the protruding end 4 close to the air inlet valve 6. According to the utility model, the small air pump is additionally arranged on one side of the air inlet valve 6, so that air can be compressed and sent into the pipeline, accumulated water remained in the pipeline is pushed and emptied, and the accumulated water is guaranteed to be completely emptied.
This irrigation feed pipe evacuation structure still includes upper end open-ended valve well 10, and check valve 5 and blowoff valve 9 are established in valve well 10, are equipped with the valve well lid 11 that covers valve well 10 opening on the valve well 10, can make things convenient for valve operation and routine maintenance like this.
The air intake valve 6 is externally provided with a protective tube cover 12 covering the air intake valve 6 and having an upper end opening, and the protective tube cover 12 is provided with a protective cover 13 covering the opening, thereby effectively protecting the air intake valve 6.
Claims (5)
1. An irrigation feed pipe evacuation structure which characterized in that: the water storage type irrigation motor-pumped well comprises an irrigation motor-pumped well (1) for storing water, wherein a water pump (2) is arranged in the irrigation motor-pumped well (1), a water lifting pipe (3) for upwards conveying water pumped by the water pump (2) is arranged on the water pump (2), a check valve (5) for preventing water from flowing back into the irrigation motor-pumped well (1) is arranged on a stretching end (4) of the water lifting pipe (3) stretching out of the irrigation motor-pumped well (1), the end part of the stretching end (4) is communicated with external air, an air inlet valve (6) for controlling the stretching end (4) to be opened or closed with the external air is arranged on the end part of the stretching out (4), a plurality of water taking ports (7) are arranged between the check valve (5) and the air inlet valve (6) on the stretching end (4), an evacuation return pipe (8) communicated with the stretching end (4) is arranged on the stretching end (4), and an evacuation valve (9) is arranged on the evacuation return pipe (8), the connecting ends of the emptying return pipe (8) are respectively arranged at the two sides of the check valve (5).
2. The irrigation feed pipe evacuation structure of claim 1, wherein: one connecting end of the emptying backflow pipe (8) is connected between the check valve (5) and the water intake (7), and the other connecting end of the emptying backflow pipe (8) is connected to the vertical end of the water raising pipe (3) in the irrigation motor-pumped well (1).
3. The irrigation feed pipe evacuation structure of claim 1, wherein: and an air pump capable of compressing air and sending the air into the extension end (4) is arranged on one side of the extension end (4) close to the air inlet valve (6).
4. The irrigation feed pipe evacuation structure of claim 1, wherein: still include upper end open-ended valve well (10), check valve (5) and blowoff valve (9) establish in valve well (10), valve well (10) on be equipped with valve well lid (11) that cover valve well (10) opening.
5. The irrigation feed pipe evacuation structure of claim 1, wherein: the air inlet valve (6) is externally provided with a protective pipe sleeve (12) which covers the air inlet valve (6) and is provided with an opening at the upper end, and the protective pipe sleeve (12) is provided with a protective cover (13) which covers the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121394507.1U CN215719309U (en) | 2021-06-22 | 2021-06-22 | Irrigation water supply pipe evacuation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121394507.1U CN215719309U (en) | 2021-06-22 | 2021-06-22 | Irrigation water supply pipe evacuation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215719309U true CN215719309U (en) | 2022-02-01 |
Family
ID=80044271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121394507.1U Active CN215719309U (en) | 2021-06-22 | 2021-06-22 | Irrigation water supply pipe evacuation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215719309U (en) |
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2021
- 2021-06-22 CN CN202121394507.1U patent/CN215719309U/en active Active
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