Pressure reduction and drainage control device additionally arranged at tail end of remote water delivery pump station in mountainous area
By installing a vacuum drainage and exhaust device and an automatic return valve at the end of the water supply pipeline, the problem of pump start-up difficulties caused by elevation differences was solved, and stable pump start-up and automated control were achieved, improving the stability and efficiency of the water supply system.
Patent Information
- Application Number
- CN202520345323.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-03
AI Technical Summary
Because the water pipeline is long and has a large elevation difference, a large amount of backwater and air are stored in the pipeline, which increases the pressure at the outlet of the pumping station, prevents the pump from starting, and affects the supply of water for production and daily life.
Vacuum drainage and air release devices, automatic return valves, and self-closing valves are installed at the end of the water supply pipeline. Combined with signal receivers and remote intelligent control systems, the water and air in the pipeline are removed using the principles of hydrodynamics, creating negative pressure, reducing pressure, ensuring smooth start-up of the water pump, and removing impurities through a filtration device.
It improves the stability and efficiency of the water supply system, reduces the risk of pump start-up failure, realizes automated operation and water conservation, and is suitable for complex terrain areas.
Smart Images
Figure CN223907589U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of hydraulic engineering, especially relate to a mountainous area long-distance water delivery pump station end installation pressure relief drainage control device. BACKGROUND
[0002] With the coming of spring, the planting industry, breeding industry, forest, pasture on the mountain, their water consumption will begin to increase, and water stop, water break phenomenon often appear, because their water, all rely on the water tank on the top of the mountain supply, and the pool in the water, rely on the pump station to supply water, if the booster pump failure, there is no water on the top of the mountain can be used, because the water source booster pump station, mostly built in the river, low-lying areas, for easy water, and water place all in the mountain slope, because the water supply pipeline with topographic deep 1-2 meters laying and the highest place difference reaches 30-50 meters, the longest distance in 5-10 kilometers, finally still want to build a large water storage tank on the highest mountain, to store water, pool 5-10 days to be pumped from the hill station water once, so as to guarantee normal water supply. In the prior art, because the water supply pipeline is very far, and the high and low difference, the pipeline also stores a large amount of backwater and air, so that the pump station outlet pressure increases, the water pump motor cannot start and run, because the booster pump station cannot supply water to the reservoir on the hill in time, it directly affects the production and living water demand, so it causes great economic losses to enterprises and individuals. Based on this, the utility model designs a mountainous area long-distance water delivery pump station end installation pressure relief drainage control device to solve the above problems. SUMMARY
[0003] The utility model discloses a purpose at: in order to solve the prior art because water pipeline distance is very far, and high low difference is big, and a large amount of backwater and air are stored in the pipeline, like this caused the pump station water outlet pressure increase, make water pump motor unable to start and run, because pressurizing pump station cannot in time give the mountain reservoir water supply, it directly influences production and living water demand's problem, and a mountainous area long -distance water supply pump station end installs the pressure -reducing drainage control device. In order to realize above -mentioned purpose, the utility model discloses a mountainous area long -distance water supply pump station end installs the pressure -reducing drainage control device, including pipeline, first vacuum water pump and second vacuum water pump, the output of first vacuum water pump is fixedly connected in one end of pipeline, the output of second vacuum water pump is connected in the pipeline, the backwater automatic valve is installed in the pipeline, the first vacuum water pump and second vacuum water pump outer installation have signal receiver, the pipeline is equipped with the fixing device convenient to dismount and assemble, the fixing device is installed with the filter device for removing water flow impurity in. As further description of the above technical scheme: the self -closing valve for closing backwater channel and reducing the pressure in the pipeline when the water pump stops is installed in the pipeline. As further description of the above technical scheme: the three -way exhaust pipe for discharging all the water and air in the pipeline and generating negative pressure is installed in the pipeline. As further description of the above technical scheme: the mounting ring is equipped in the pipeline, the sleeve is fixedly connected below the mounting ring, and the sleeve ring is equipped outside the sleeve. As further description of the above technical scheme: the outer thread is equipped on the pipeline, and the inner thread is equipped in the mounting ring, and the mounting ring and the pipeline form the thread cooperation. As further description of the above technical scheme: the welding integrated structure is adopted between the mounting ring and the sleeve. As further description of the above technical scheme: the filter device includes the fixed ring, the fixed ring is fixedly connected in the sleeve, the movable plate is overlapped on the fixed ring, and the net bag is installed in the movable plate. As further description of the above technical scheme: the diameter of the movable plate cross section is slightly less than the inner diameter of the sleeve, and the movable plate is movably connected in the sleeve. As described above, due to the adoption of the above technical scheme, the utility model has the beneficial effects that: 1, in the utility model, by installing the vacuum drainage exhaust device and backwater automatic valve at the end of the long -distance water supply pipeline in the mountainous area, the problem that the pressurizing pump cannot start due to the high low difference and backwater storage of the water supply pipeline is solved by using the hydrodynamics, the system creates negative pressure by excluding the water and air in the pipeline, reduces the pressure, so that the water pump can start smoothly, at the same time, cooperate with the self -closing valve, remote intelligent control system and signal receiver, ensure the automation operation and water resource conservation, the technology significantly improves the stability and efficiency of the water supply system, and is suitable for the area of complex terrain.2. The utility model discloses when needing to filter the water flow of output, at this time, the movable plate is taken and drives the mesh bag to move to the sleeve, then the movable plate is overlapped on the fixed ring, and the mounting ring is set on the pipeline, then the sleeve is rotated and the mounting ring is rotated on the pipeline, when needing to replace, just can take out the mesh bag with the movable plate, through the technical scheme, the water flow of pipeline output is effectively filtered, the existence of solid particles in water is avoided, thereby the step of needing to filter water quality separately subsequently is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0004] Figure 1 A three-dimensional structural schematic view of a pressure reduction and drainage control device for a mountainous area long-distance water pumping station terminal is provided. Figure 2 A three-dimensional structural schematic view of a tee exhaust pipe of a pressure reduction and drainage control device for a mountainous area long-distance water pumping station terminal is provided. Figure 3 A three-dimensional structural schematic view of a fixing device of a pressure reduction and drainage control device for a mountainous area long-distance water pumping station terminal is provided. Figure 4 A three-dimensional sectional structural schematic view of a sleeve of a pressure reduction and drainage control device for a mountainous area long-distance water pumping station terminal is provided. Legend: 1, pipeline; 2, first vacuum water pump; 3, backwater automatic valve; 4, second vacuum water pump; 5, signal receiver; 6, self-closing valve; 7, tee exhaust pipe; 8, fixing device; 81, mounting ring; 82, sleeve; 83, sleeve ring; 9, filtering device; 91, fixed ring; 92, movable plate; 93, mesh bag. DETAILED DESCRIPTION
[0005] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Please refer to Figures 1-4 ; first embodiment: the utility model provides a technical scheme: a pressure reduction and drainage control device for a mountainous area long-distance water pumping station terminal, comprising a pipeline 1, a first vacuum water pump 2 and a second vacuum water pump 4, the output end of the first vacuum water pump 1 is fixedly connected at one end of the pipeline 1, the output end of the second vacuum water pump 4 is connected in the pipeline 1, the pipeline 1 is provided with a backwater automatic valve 3, the first vacuum water pump 1 and the second vacuum water pump 4 are provided with a signal receiver 5 outside, the pipeline 1 is provided with a fixing device 8 convenient to disassemble and assemble, the fixing device 8 is provided with a filtering device 9 for removing water flow impurities. Specifically, as shown in Figures 1-2As shown, the pipeline 1 is installed with a self-closing valve 6 for closing the backwater channel and reducing the pressure in the pipeline 1 when the water pump stops, and a three-way exhaust pipe 7 for discharging all the water and air stored in the pipeline 1 and generating negative pressure, the combination of the backwater automatic valve 3 and the three-way exhaust pipe 7 helps to effectively prevent backwater from entering the pipeline 1 when the water pump stops, avoiding the rise of the pressure in the pipeline 1, thereby reducing the pressure load when the system starts, at the same time, the three-way exhaust pipe 7 can timely discharge the water and air stored in the pipeline 1, generate negative pressure, help start the booster pump, and ensure the smooth operation of the water supply system, the two work together to effectively improve the stability of the water pump start and reduce the risk of failure caused by excessive pressure. When working, by installing a vacuum drainage and exhaust device and a backwater automatic valve 3 at the end of the long-distance water delivery pipeline 1 in the mountainous area, the problem of the booster pump unable to start due to high and low differences and backwater storage in the water delivery pipeline 1 is solved by using the water flow mechanics principle, the system creates negative pressure by removing the water and air in the pipeline 1, reduces the pressure, and makes the water pump start smoothly, at the same time, cooperates with the self-closing valve 6, the remote intelligent control system and the signal receiver 5, ensures the automation operation and the saving of water resources, this technology significantly improves the stability and efficiency of the water supply system, and is suitable for areas with complex terrain. The second embodiment: specifically, Figures 3-4As shown, the fixing device 8 comprises a mounting ring 81 sleeved outside the pipeline 1, a sleeve 82 fixedly connected below the mounting ring 81, a sleeve ring 83 sleeved outside the sleeve 82, an external thread provided outside the pipeline 1, an internal thread provided inside the mounting ring 81, and a threaded cooperation between the mounting ring 81 and the pipeline 1, and the mounting ring 81 and the sleeve 82 adopt a welded integrated structure. The filtering device 9 comprises a fixing ring 91 fixedly connected inside the sleeve 82, an activity plate 92 overlapped on the fixing ring 91, a mesh bag 93 mounted inside the activity plate 92, a diameter of a cross section of the activity plate 92 slightly smaller than an inner diameter of the sleeve 82, and the activity plate 92 movably connected inside the sleeve 82. The activity plate 92 mounted with the mesh bag 93 makes the filtering device 9 flexible and detachable. When the mesh bag 93 needs to be cleaned or replaced, the activity plate 92 is pulled out, and the convenient disassembly process reduces the complexity of manual operation and improves the maintenance efficiency of the equipment. The mesh bag 93 can effectively intercept impurities in the pipeline 1 to prevent them from entering the water flow, thereby avoiding the subsequent step of separately filtering the water quality, further simplifying the operation process and improving the running efficiency of the system. When the output water flow needs to be filtered, the activity plate 92 is taken to drive the mesh bag 93 to move into the sleeve 82, then the activity plate 92 is overlapped on the fixing ring 91, and the mounting ring 81 is sleeved outside the pipeline 1, then the sleeve 82 is rotated to drive the mounting ring 81 to rotate outside the pipeline 1. When replacement is needed, the mesh bag 93 is pulled out by pulling the activity plate 92. Through the technical scheme, the water flow output by the pipeline 1 is effectively filtered, avoiding the existence of solid particles in the water, thereby reducing the subsequent step of separately filtering the water quality. The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A pressure reduction and flow control device for installation at the end of a long-distance water pumping station in mountainous areas, comprising a pipeline (1), a first vacuum water pump (2) and a second vacuum water pump (4), characterized in that, The output end of the first vacuum water pump is fixedly connected to one end of the pipeline (1), the output end of the second vacuum water pump (4) is connected through the pipeline (1), the pipeline (1) is provided with a backwater automatic valve (3), the first vacuum water pump and the second vacuum water pump (4) are provided with a signal receiver (5), the pipeline (1) is provided with a fixing device (8) which is convenient to disassemble and assemble, and the fixing device (8) is provided with a filtering device (9) for removing impurities in water flow.
2. The remote mountain water pumping station terminal pressure reduction and flow control device of claim 1, wherein, The pipeline (1) is provided with a self-closing valve (6) for closing the backwater channel and reducing the pressure in the pipeline (1) when the water pump stops.
3. The remote mountain water pumping station end-mounted pressure reduction and flow control device according to claim 1, characterized in that, The pipeline (1) is provided with a three-way exhaust pipe (7) for exhausting all the water and air in the pipeline (1) and generating negative pressure.
4. The remote mountain water pumping station terminal pressure reduction and flow control device of claim 1, wherein, The fixing device (8) comprises a mounting ring (81), the mounting ring (81) is sleeved on the pipeline (1), the mounting ring (81) is fixedly connected with a sleeve (82), and the sleeve (82) is sleeved with a sleeve ring (83).
5. The remote mountain water pumping station end-mounted pressure reduction and flow control device according to claim 4, characterized in that, The pipeline (1) is provided with external threads, the mounting ring (81) is provided with internal threads, and the mounting ring (81) is threadedly connected with the pipeline (1).
6. The remote mountain water pumping station end-mounted pressure reduction and flow control device according to claim 5, characterized in that, The mounting ring (81) and the sleeve (82) are integrally connected through welding.
7. The remote mountain water pumping station end-mounted pressure reduction and flow control device according to claim 6, characterized in that, The filtering device (9) comprises a fixing ring (91), the fixing ring (91) is fixedly connected in the sleeve (82), the fixing ring (91) is overlapped with a movable plate (92), and the movable plate (92) is provided with a net bag (93).
8. The remote mountain water delivery pump station end installation pressure reduction flow control device according to claim 7, characterized by, The diameter of the movable plate (92) is slightly smaller than the inner diameter of the sleeve (82), and the movable plate (92) is movably connected in the sleeve (82).