CN212643102U - Water hammer return prevention device for mountain drip irrigation water lifting pipeline - Google Patents
Water hammer return prevention device for mountain drip irrigation water lifting pipeline Download PDFInfo
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- CN212643102U CN212643102U CN202022082414.7U CN202022082414U CN212643102U CN 212643102 U CN212643102 U CN 212643102U CN 202022082414 U CN202022082414 U CN 202022082414U CN 212643102 U CN212643102 U CN 212643102U
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Abstract
A water hammer return-proof device for a mountain drip irrigation water lifting pipeline belongs to the field of irrigation systems and is additionally arranged on a traditional water lifting system, wherein the traditional water lifting system comprises a water pump, a water delivery pipe, a check valve, a turbine butterfly valve and a water lifting pipe which are sequentially connected; one end of the device is connected with a water raising pipe 30-60cm behind a turbine butterfly valve through a connector, and the other end of the device is connected into a well through a water return pipe; when the pipe diameter of the water raising pipe is more than or equal to 200mm, the diameter of the water return pipe of the device is not less than one third of the pipe diameter of the water raising pipe, and when the pipe diameter of the water raising pipe is less than 200mm, the diameter of the water return pipe is not less than one half of the pipe diameter of the water raising pipe. The efficiency and the service life of the water pump can be effectively improved, the system cost is reduced, and the safe and stable operation of a water delivery system is better met.
Description
Technical Field
The utility model belongs to irrigation system field, especially a waterproof hammer back-falling device of mountain region drip irrigation water-raising pipeline and application method thereof.
Background
In water-saving irrigation of mountains or terraces, a water source point at the head of a drip irrigation system is generally arranged under a mountain, water is conveyed to the mountain through a pressure water lifting pipeline, the slope is large, the fall is generally about 100 meters, the construction difficulty is large, the requirements on materials and equipment are high, and particularly the mass ratio of the lift of a water pump, an impeller, a motor and a starting cabinet meets the design requirements. In the actual water delivery process, because the mountain land fall is large, when the water pump is started, certain cavitation pressure exists in the pipeline, and the cavitation pressure can reach dozens of times of the water pressure in the water delivery process, at the moment, because the air in the pipeline can not be completely discharged from the exhaust valve of the water raising pipeline, the water can not be normally pumped to the mountain top position. After the water delivery of the system is finished, when the water pump is turned off, the water flow in the water raising pipeline can directly fall back to the lowest point from the highest point, the generated water hammer and air pressure can instantly break the check valve and the water pump impeller, and the motor and the water pump sealing ring can be damaged. However, in the existing equipment, the water hammer fall-back prevention pressure release valve has the defects of high equipment price, high manufacturing difficulty, high operation requirement, high cost and the like.
Disclosure of Invention
To above existing equipment in, waterproof hammer fallback relief valve equipment price is high, the preparation degree of difficulty is big, the operation requirement is high, shortcoming such as with high costs, the utility model provides a waterproof hammer fallback device of lifting pipe and application method thereof are driped irrigation in mountain region to ensure that water pump and water supply equipment do not receive the destruction of water hammer, the operation of being convenient for, simple and practical, it is with low costs.
In order to solve the prior art problem, the utility model discloses the technical scheme who takes as follows:
a water hammer return-preventing device for a mountain drip irrigation water lifting pipeline comprises a traditional water lifting system, wherein the traditional water lifting system comprises a water well, a water conveying pipe, a check valve, a turbine butterfly valve and a water lifting pipe, a water pump is arranged in the water well, the check valve, the turbine butterfly valve and the water lifting pipe are sequentially connected to the water conveying pipe after the outlet of the water pump, and the water hammer return-preventing device is additionally arranged on the water lifting pipe behind the turbine butterfly valve; the device that falls back of waterproof hammer includes the connector, the one end of connector connect in on the lifting pipe, the pressure relief device valve is connected to the other end, the outlet of pressure relief device valve passes through the tube coupling spare and connects the wet return, the other end of wet return connect in the well. The water hammer fall-back prevention device is arranged at the back end of the water pump, close to the rear end of the turbine butterfly valve along the water conveying direction, and on one hand, the water hammer fall-back prevention device plays roles in exhausting and discharging sewage of the water lifting pipe during normal water conveying; on the other hand, when closing the water pump, play the pressure release effect, prevent that the water hammer that produces from puncturing the check valve in the lifting pipe, the water pump uses even the utility model discloses can effectively improve the efficiency and the life of water pump, ensure the safety and stability operation of system.
Foretell a waterproof hammer of lifting pipe way falls back device is driped irrigation to mountain region, its the pipeline connecting piece includes two lug connection and elbow, first lug connection one end connect in the export of pressure relief device valve, the elbow is connected to the other end, the second lug connection is connected to the other end of elbow, second lug connection wet return.
The water hammer return-preventing device for the mountain drip irrigation water raising pipeline is characterized in that the connector, the pressure relief device valve, the direct connector, the elbow and the water return pipe are connected in a welding mode, a threaded connection mode, a hot melting welding mode or a flange screw rod connection mode.
Foretell water hammer fall-back prevention device of pumping channel is driped irrigation in mountain region, its the pressure relief device valve chooses for use the material to be ball valve, butterfly valve or the gate valve of steel, iron, stainless steel, PE or PVC material.
According to the mountain drip irrigation water raising pipeline water hammer-proof falling device, the connector is connected to the water raising pipe 30-60cm behind the turbine butterfly valve. The connector is connected to a water raising pipe 30-60cm away from the rear end of the turbine butterfly valve along the water raising direction, the tail end of the connector is connected into a water well through a water return pipe, the distance between the rear end of the turbine butterfly valve and the rear end of the turbine butterfly valve is relatively economical and convenient to operate, if the distance is too long, the length of the water return pipe is increased, the cost is increased, and the turbine butterfly valve and a pressure relief device valve are inconvenient to open when a system runs; if too close, the installation operation is inconvenient.
According to the water hammer-proof falling device for the mountain drip irrigation water raising pipeline, the diameter of the water return pipe is matched with that of the water raising pipe, and when the diameter of the water raising pipe is larger than or equal to 200mm, the diameter of the water return pipe is not smaller than one third of that of the connected water raising pipe; when the pipe diameter of the water raising pipe is less than 200mm, the pipe diameter of the water return pipe is not less than one half of the pipe diameter of the connected water raising pipe. The water return pipe of the device mainly plays a role in assisting the sewage discharge and pressure relief of the water lifting pipe, and when the water return pipe is too small, the pressure in the water lifting pipe is too high, and the exhaust and sewage discharge are blocked; when the return pipe is consistent with the pipe diameter of the water lifting pipe or is overlarge, the cost is increased, the installation, the disassembly, the storage and the like are not convenient, so the setting of the pipe diameter size of the return pipe of the device accords with the economical and practical effects, and the device is convenient to operate and convenient to disassemble and keep.
Has the advantages that:
the utility model discloses having changed traditional mountain region drip irrigation system in the past and having prevented the water hammer pressure release mode, having adopted the waterproof hammer of water lift pipe system to fall back the device, the effectual cost and the maintenance cost that reduces the system, this device simple manufacture, economical and practical, device convenient operation and convenient to detach are kept, construction convenience.
Drawings
FIG. 1 is an exploded view of the present invention;
wherein: 1 is a connector, 2 is a pressure relief device valve, 3 is a direct connector, 4 is an elbow, 5 is a water return pipe, 6 is a water well, 7 is a water pump, 8 is a water pipe, 9 is a check valve, 10 is a turbine butterfly valve, and 11 is a water raising pipe.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, but not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Example 1
Referring to the attached figure 1, a waterproof hammer back-falling device of mountain drip irrigation water raising pipeline, including well 6, set up water pump 7 in the well 6, the outlet of water pump 7 connects gradually check valve 9 and turbine butterfly valve 10 through raceway 8, and the exit linkage water raising pipe 11 of turbine butterfly valve 10 sets up waterproof hammer back-falling device on the water raising pipe 11 of connecting behind the turbine butterfly valve 10 export, waterproof hammer back-falling device includes connector 1, the one end of connector 1 connect in on the water raising pipe 11, pressure relief device valve 2 is connected to the other end, return water pipe 5 is connected through the tube coupling spare in the export of pressure relief device valve 2, the other end of return water pipe 5 connect in the well 6. The pipeline connecting piece comprises two direct joints 3 and an elbow 4, wherein one end of the first direct joint 3 is connected with an outlet of the pressure relief device valve 3, the other end of the first direct joint is connected with the elbow 4, the other end of the elbow 4 is connected with the second direct joint 3, and the second direct joint 3 is connected with the water return pipe 5.
The water hammer fall-back prevention device is arranged at the back end of the water pump, close to the rear end of the turbine butterfly valve along the water conveying direction, and on one hand, the water hammer fall-back prevention device plays roles in exhausting and discharging sewage of the water lifting pipe during normal water conveying; on the other hand, when closing the water pump, play the pressure release effect, prevent that the water hammer that produces from puncturing the check valve in the lifting pipe, the water pump uses even the utility model discloses can effectively improve the efficiency and the life of water pump, ensure the safety and stability operation of system.
Specifically, the connector 1 is connected to a water raising pipe 30-60cm behind the turbine butterfly valve. The connector is connected to a water raising pipe 30-60cm away from the rear end of the turbine butterfly valve along the water conveying direction, the tail end of the connector is connected into a water well through a water return pipe, the distance between the rear end of the turbine butterfly valve and the rear end of the turbine butterfly valve is relatively economical and convenient to operate, if the distance is too long, the length of the water return pipe is increased, the cost is increased, and the turbine butterfly valve and a pressure relief device valve are inconvenient to open when a system runs; if too close, the installation operation is inconvenient.
The diameter of the water return pipe is matched with that of the water raising pipe, and when the diameter of the water raising pipe is larger than or equal to 200mm, the diameter of the water return pipe is not smaller than one third of that of the connected water raising pipe; when the pipe diameter of the water raising pipe is less than 200mm, the pipe diameter of the water return pipe is not less than one half of the pipe diameter of the connected water raising pipe. The water return pipe of the device mainly plays a role in assisting the sewage discharge and pressure relief of the water lifting pipe, and when the water return pipe is too small, the pressure in the water lifting pipe is too high, and the exhaust and sewage discharge are blocked; when the return pipe is consistent with the pipe diameter of the water lifting pipe or is overlarge, the cost is increased, the installation, the disassembly, the storage and the like are not convenient, so the setting of the pipe diameter size of the return pipe of the device accords with the economical and practical effects, and the device is convenient to operate and convenient to disassemble and keep.
In this embodiment, connector 1, pressure relief device valve 2, lug joint 3, elbow 4 and wet return 5 can adopt the silk mouth to connect according to actual conditions: the connector 1 adopts the outer silk of steel, and pressure relief device valve 2 adopts the valve that corresponds the silk mouth, optional internal thread stainless steel ball valve, and two lug connection 3 adopt the steel to the outer silk, and elbow 4 adopts stainless steel internal thread elbow, and wet return 5 adopts the connected mode of internal thread steel pipe, and each part can be adjusted according to the on-the-spot demand to all the other materials.
Example 2
The difference between this embodiment and embodiment 1 lies in that connector 1, pressure relief device valve 2, lug connection 3, elbow 4 and wet return 5 can adopt flange screw to connect according to actual conditions: connector 1 adopts the steel flange nozzle stub, and pressure relief device valve 2 adopts the flange valve that corresponds the model, optional iron gate valve, and two lug connection 3 adopt the iron flange nozzle stub, and elbow 4 adopts the steel flange elbow, and wet return 5 adopts the connected mode of flange steel pipe, and each part all uses bolted connection.
Example 3
The difference between this embodiment and embodiment 1 is that connector 1, pressure relief device valve 2, direct joint 3, elbow 4 and wet return 5 can be according to actual conditions, adopt the welding mode to connect: connector 1 adopts the steel flange nozzle stub, and pressure relief device valve 2 adopts the flange valve that corresponds the model, optional iron gate valve, and two lug connection 3 adopt the iron flange nozzle stub, and elbow 4 adopts the steel flange elbow, and wet return 5 adopts the connected mode of flange steel pipe, and each part all connects with the welding mode.
Example 4
The difference between this embodiment and embodiment 1 is that the connector 1, the pressure relief device valve 2, the direct joint 3, the elbow 4 and the water return pipe 5 can be connected by a hot-melt welding method according to actual conditions: connector 1 adopts PE hot melt nozzle stub, and pressure relief device valve 2 adopts the PE hot melt butterfly valve of corresponding model, and two direct connectors 3 adopt PE hot melt nozzle stub, and elbow 4 adopts PE hot melt elbow, and wet return 5 adopts the connected mode of PE hot melt pipe, and each part all adopts PVC hot melt welded connection.
The utility model discloses a use method is:
when the water pump needs to be started, the turbine butterfly valve and the pressure relief device valve are opened firstly, then the water pump is started, after water is discharged from the water return pipe full of pipe water, the pressure relief device valve is closed, the system operates normally, and the effect of reducing cavitation pressure in the pipeline is achieved; when the water pump needs to be closed after irrigation of each wheel irrigation district of the system is finished, the pressure relief device valve is opened firstly, water flows into the water well from the water return pipe, then the power supply of the water pump is closed, the turbine butterfly valve is closed again, the situation that instantaneous impact pressure of a return water hammer in a pipeline cannot flow back to the water pump is avoided, the effect of reducing the water hammer and the air pressure is achieved, a complete protection effect is achieved on the water pump, and the utilization rate and the service life of the water pump are improved. Because the mountain fall is higher, when the system time spent is too long, cause the accumulation of silt in system low end department, can also reach the effect of blowdown sediment removal through the device.
The specific connection and operation method comprises the following steps:
the upper opening of a water raising pipe 30cm-60cm behind a turbine butterfly valve along the water delivery direction is connected with a connector 1, then is connected with a pressure relief device valve 2, then is connected with the pressure relief device valve 2 and an elbow 4 by a connecting piece 3, is connected with the elbow 4 and a water return pipe 5 by the connecting piece 3, and finally the other end of the water return pipe 5 is connected into a water well 6, so that water and gas are discharged into the water well 6. When the pipe diameter of the water raising pipe 11 is more than or equal to 200mm, the pipe diameter of the water return pipe 5 of the device is not less than one third of the pipe diameter of the water raising pipe 11, when the pipe diameter of the water raising pipe 11 is less than 200mm, the pipe diameter of the water return pipe 5 is not less than one half of the pipe diameter of the water raising pipe 11, and all parts of the device are conveniently detached and replaced. When the water pump is started, the turbine butterfly valve and the pressure relief device valve 2 are opened firstly, then the water pump 7 is started, after water is fully discharged from the water return pipe 5 of the pressure relief and fall-back device, the pressure relief device valve 2 is closed, and the system operates normally. When irrigation of each wheel irrigation district of the system is finished, the pressure relief device valve 2 is opened firstly, water flows into a well from the water return pipe 5 of the water hammer fall-back prevention device, then the power supply of the water pump 7 is closed, and then the turbine butterfly valve 10 is closed.
The utility model has the advantages that:
the utility model discloses having changed traditional mountain region drip irrigation system in the past and having prevented the water hammer pressure release mode, having adopted the waterproof hammer of water lift pipe system to fall back the device, the effectual cost and the maintenance cost that reduces the system, this device simple manufacture, economical and practical, device convenient operation and convenient to detach are kept, construction convenience.
Combine to implement the case right the utility model discloses do further explanation, the utility model discloses can effectual improvement mountain region irrigation system's stability, improve the utilization ratio and the life cycle of irrigating prelude system, it is convenient to maintain, and device simple manufacture adjusts the convenience, and the effectual expense that has reduced and irrigate prelude pressure relief device has reduced the holistic cost of irrigating prelude to reduced the harm that pipeline water pressure caused irrigation prelude among the mountain region irrigation system, the more safe and stable's of system of being convenient for operation.
The above embodiments illustrate the concept and features of the present invention, and the connecting mode and the structure of the device can not be changed or can achieve the same pressure reduction effect, and the changes and modifications made in the technology are covered in the protection scope of the present invention.
Claims (6)
1. A water hammer return-preventing device for a mountain drip irrigation water lifting pipeline comprises a traditional water lifting system, wherein the traditional water lifting system comprises a water well, a water conveying pipe, a check valve, a turbine butterfly valve and a water lifting pipe; the device that falls back of waterproof hammer includes the connector, the one end of connector connect in on the lifting pipe, the pressure relief device valve is connected to the other end, the outlet of pressure relief device valve passes through the tube coupling spare and connects the wet return, the other end of wet return connect in the well.
2. The mountain drip irrigation water-raising pipeline water hammer-proof falling device according to claim 1, wherein the pipeline connecting piece comprises two direct joints and an elbow, one end of the first direct joint is connected to the outlet of the pressure relief device valve, the other end of the first direct joint is connected to the elbow, the other end of the elbow is connected to the second direct joint, and the second direct joint is connected to the water return pipe.
3. The mountain drip irrigation water raising pipeline water hammer-proof back-falling device according to claim 1, wherein the connector, the pressure relief device valve, the direct connector, the elbow and the water return pipe are connected by welding, threaded connection, hot melt welding or flange screw connection.
4. The mountain drip irrigation water raising pipeline water hammer-proof back-falling device according to claim 1, wherein the pressure relief device valve is a ball valve, a butterfly valve or a gate valve made of steel, iron, stainless steel, PE or PVC.
5. The mountain drip irrigation water raising pipeline water hammer preventing back falling device as claimed in claim 1, wherein the connector is connected to the water raising pipe 30-60cm behind the turbine butterfly valve.
6. The device of claim 1, wherein the diameter of the return pipe is matched with the diameter of the lift pipe, and when the diameter of the lift pipe is greater than or equal to 200mm, the diameter of the return pipe is not less than one third of the diameter of the connected lift pipe; when the pipe diameter of the water raising pipe is less than 200mm, the pipe diameter of the water return pipe is not less than one half of the pipe diameter of the connected water raising pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022082414.7U CN212643102U (en) | 2020-09-22 | 2020-09-22 | Water hammer return prevention device for mountain drip irrigation water lifting pipeline |
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| CN202022082414.7U CN212643102U (en) | 2020-09-22 | 2020-09-22 | Water hammer return prevention device for mountain drip irrigation water lifting pipeline |
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| CN212643102U true CN212643102U (en) | 2021-03-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251276A (en) * | 2020-09-22 | 2022-03-29 | 新疆天业（集团）有限公司 | A waterproof hammer fall-back device for a drip irrigation and lifting pipeline in a mountainous area and a method of using the same |
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- 2020-09-22 CN CN202022082414.7U patent/CN212643102U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251276A (en) * | 2020-09-22 | 2022-03-29 | 新疆天业（集团）有限公司 | A waterproof hammer fall-back device for a drip irrigation and lifting pipeline in a mountainous area and a method of using the same |
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