Divided-flow type pressurization control system for garden high-pressure long-distance irrigation and use method of divided-flow type pressurization control system

Abstract

The invention relates to the technical field of garden engineering, in particular to a split-flow type pressurization control system for garden high-pressure long-distance irrigation and a using method thereof.The split-flow type pressurization control system comprises a plurality of independent plunger pump units arranged along a main irrigation pipeline at intervals, and each independent plunger pump unit is connected with the main irrigation pipeline; each independent plunger pump unit comprises a branch irrigation pipeline communicated with the main irrigation pipeline, each branch irrigation pipeline is provided with a pressure storage part, each pressure storage part is connected with a pressure relief part, and the pressure relief parts are located behind the direction, communicated with the main irrigation pipeline, of the branch irrigation pipelines in the water flow direction. The method has the effect that the situation that in long-distance pipeline transportation, the water pressure at the front end is too high, and the water pressure at the tail end is too low due to pressure attenuation is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of garden engineering, and in particular to a shunt pressurization control system for high-pressure long-distance irrigation in gardens and its usage method. Background Art

[0002] With the acceleration of the urbanization process and the improvement of the ecological environment construction requirements, the greening coverage area in gardens has been continuously expanding, covering municipal parks, ecological scenic spots, large communities, and complex terrain areas (such as mountains and slopes). Traditional irrigation systems face severe challenges in high-pressure long-distance scenarios: on the one hand, it is necessary to ensure the pressure of the end nozzles at a water conveyance distance of up to one hundred meters; on the other hand, it is necessary to avoid the risk of pipe bursts due to excessive pressure at the proximal end of the pipe network, and at the same time achieve precise regulation of water resources. The average water resource utilization rate of garden irrigation systems in China is less than 60%, and the energy loss accounts for more than 35% of the traditional cost, highlighting the urgency of technological upgrading.

[0003] The current mainstream solution adopts a centralized variable-frequency pressurization pumping station, which pressurizes the main water conveyance pipe through a single power unit and relies on the PID algorithm to adjust the pump speed to adapt to the feedback of the pressure sensor. The typical structure includes a centrifugal pump group, a pressure stabilizing tank, a pressure transmitter, and a PLC control module. This architecture has various defects. One is the energy efficiency imbalance: the variable-frequency pump needs to continuously maintain the high-pressure state of the entire pipe network, resulting in the effective power at the far end only accounting for 40%-50% of the system output, and the redundant pressure at the proximal end is dissipated through the pressure reducing valve, causing an annual ineffective power consumption of 15%-20%. The second is the dynamic response lag. A single pressure monitoring point cannot real-time sense the flow changes in multiple branches, and the probability of the water hammer effect caused by the sudden start and stop of multiple sections is as high as 32%, resulting in a reduction in the service life of the solenoid valve group and a decrease in irrigation uniformity. There is also the topological rigidity. Fixed pumping stations are difficult to adapt to the distributed irrigation requirements of irregular terrains. Reconstruction requires re-laying the main pipeline, and the engineering cost increases by more than 200%. Summary of the Invention

[0004] Aiming at the deficiencies of the existing technology, one of the purposes of the present invention is to provide a shunt pressurization control system for high-pressure long-distance irrigation in gardens that can ensure the water pressure at the end of irrigation and its usage method.

[0005] The above application purpose of the present invention is achieved through the following technical solutions: A shunt pressurization control system for high-pressure long-distance irrigation in gardens includes a plurality of independent plunger pump units arranged at intervals along the main irrigation pipeline. Each independent plunger pump unit is connected to the main irrigation pipeline. The independent plunger pump unit includes a branch irrigation pipeline communicating with the main irrigation pipeline. A pressure storage member is arranged on the branch irrigation pipeline, and a pressure relief member is connected to the pressure storage member. The pressure relief member is located behind the direction in which the branch irrigation pipeline communicates with the main irrigation pipeline along the water flow direction.

[0006] As a further implementation of a split-type pressurization control system for high-pressure long-distance irrigation in gardens according to the present invention, the pressure storage member includes a spiral pipe communicated with the branch irrigation pipe. One end of the spiral pipe is communicated with the branch irrigation pipe, and a rotating blade is arranged at the other end of the spiral pipe. The rotating blade is connected with the pressure relief member.

[0007] As a further implementation of a split-type pressurization control system for high-pressure long-distance irrigation in gardens according to the present invention, the cross-section of the spiral pipe gradually becomes smaller along the water flow direction.

[0008] As a further implementation of a split-type pressurization control system for high-pressure long-distance irrigation in gardens according to the present invention, the pressure relief member includes a linkage rod connected with the rotating blade, and the linkage rod is connected with a pressure relief blade.

[0009] As a further implementation of a split-type pressurization control system for high-pressure long-distance irrigation in gardens according to the present invention, the pressure relief blades are arranged in multiple groups and arranged in parallel along the water flow direction.

[0010] As a further implementation of a split-type pressurization control system for high-pressure long-distance irrigation in gardens according to the present invention, a booster motor is installed on the main irrigation pipe. The output end of the booster motor is connected with a booster blade, and the booster blade faces the pressure relief blade.

[0011] As a further implementation of a split-type pressurization control system for high-pressure long-distance irrigation in gardens according to the present invention, a plurality of corrugated pipe sections are arranged at intervals on the main irrigation pipe.

[0012] As a further implementation of a split-type pressurization control system for high-pressure long-distance irrigation in gardens according to the present invention, the end of the branch irrigation pipe is connected with an irrigation sprinkler. The irrigation sprinkler includes a water inlet end communicated with the branch irrigation pipe, a spraying end communicated with the water inlet end for increasing the irrigation area. The spraying end is flat, and a plurality of spraying holes are opened on one side far away from the water inlet end, and a plurality of one-way air inlet holes are opened on one side of the spraying end close to the water inlet end.

[0013] The present invention also provides a method for high-pressure long-distance irrigation in gardens, including: Step 1, pre-treat the water quality at the water source so that the irrigation water meets the irrigation requirements; Step 2, transport the water at the water source to each required irrigation position through the main irrigation pipe; In step 2, the water pressure is divided at each required irrigation position. The water pressure is stored through the pressure storage member at the irrigation diversion point, and then the stored water pressure is released back to the main irrigation pipe through the pressure relief member. The pressure divided from near to far from the water source position gradually decreases. Step 3: Water passes through the branch irrigation pipeline and then irrigates the required irrigation positions.

[0014] As a further implementation of a garden high-pressure long-distance irrigation method of the present invention, in the said Step 3, the water is pressurized in the branch irrigation pipeline and then used to irrigate the crops.

[0015] In summary, the present invention includes at least one of the following beneficial technical effects: When the water flow passes through the independent plunger pump unit, the water flow passes through the branch irrigation pipeline and through the pressure storage member to convert the energy of the water flow into the kinetic energy of the pressure storage member, and then the pressure storage member converts the energy back into water pressure in the main irrigation pipeline through the pressure relief member. The water flow in the main irrigation pipeline 1 is used to drive the pressure storage member, driving the plunger pump unit to achieve step-down pressure, reducing the problem that the water pressure at the front end is too high and the pressure attenuation causes the water pressure at the end to be too low during long-distance pipeline transportation; In the present invention, a booster motor is installed on the outer wall of the main irrigation pipeline, and a water pressure sensor or a water pressure gauge is installed at the position where the main irrigation pipeline is connected to the branch irrigation pipeline to monitor the water pressure in real time. When the water pressure is less than the preset value, the booster motor is started to increase the water pressure in the main irrigation pipeline; The end of the branch irrigation pipeline of the present invention is connected with an irrigation nozzle, and the structural design of the irrigation nozzle is used to increase the water flow speed of the final sprinkler irrigation to increase the irrigation area. Brief Description of the Drawings

[0016] Figure 1 is the overall water flow schematic diagram of a split-type pressurization control system for garden high-pressure long-distance irrigation provided by the present invention; Figure 2 is the front view of the pressure storage member of a split-type pressurization control system for garden high-pressure long-distance irrigation provided by the present invention; Figure 3 is Figure 2 the cross-sectional view of part A-A in Figure 4 is the simplified schematic diagram of the pressure relief member of a split-type pressurization control system for garden high-pressure long-distance irrigation provided by the present invention; Figure 5 is the structural schematic diagram of the irrigation nozzle of a split-type pressurization control system for garden high-pressure long-distance irrigation provided by the present invention.

[0017] In the figure, 1. Main irrigation pipeline; 2. Independent plunger pump unit; 21. Pressure storage member; 211. Spiral tube; 2111. Connection section; 2112. Inner flow section; 2113. Cavity section; 212. Rotating shaft; 213. Rotating blade; 22. Pressure relief member; 221. Link rod; 222. Linkage gear set; 223. Transmission rod; 224. Pressure relief blade; 3. Irrigation nozzle; 31. Water inlet end; 32. Spraying end; 33. Spraying orifice; 34. Air inlet hole. Specific embodiments

[0018] The present invention will be further described in detail below with reference to the accompanying drawings.

[0019] Refer to Figure 1 , a split-type pressurization control system for high-pressure long-distance irrigation in gardens disclosed by the present invention, includes a plurality of independent plunger pump units 2 arranged at intervals of 80-120 meters along the main irrigation pipeline 1. Each independent plunger pump unit 2 is connected to the main irrigation pipeline 1 through a flange. The independent plunger pump unit 2 includes a branch irrigation pipeline communicated with the main irrigation pipeline 1. The branch irrigation pipeline can adopt an equal-diameter tee structure to form a 45° acute-angle diversion port with the main pipeline. This angle design can increase the water flow velocity flowing into the branch irrigation pipeline by 18%. The branch irrigation pipeline is provided with a pressure storage member 21, and the pressure storage member 21 is connected with a pressure relief member 22. The pressure relief member 22 is located behind the direction in which the branch irrigation pipeline communicates with the main irrigation pipeline 1 along the water flow direction.

[0020] When the water flow passes through the independent plunger pump unit 2, the water flow passes through the branch irrigation pipeline and flows through the pressure storage member 21 to convert the energy of the water flow into the kinetic energy of the pressure storage member 21. Then, the pressure storage member 21 converts the energy back into water pressure in the main irrigation pipeline 1 through the pressure relief member 22. The water flow in the main irrigation pipeline 1 is used to drive the pressure storage member 21 to drive the plunger pump unit to achieve step-down pressure reduction, reducing the situation that the water pressure at the front end is too high and the water pressure at the end is too low due to pressure attenuation during long-distance pipeline transportation.

[0021] Specifically but not limitedly, the aforementioned pressure storage member 21 is installed in the middle of each branch irrigation pipeline. The pressure storage member 21 includes a spiral pipe 211 communicated with the branch irrigation pipeline, and the cross-section of the spiral pipe 211 gradually becomes smaller along the water flow direction. Specifically but not limitedly, the spiral pipe 211 can be formed by a bimetal composite casting process. The outer wall is a 304 stainless steel layer, and the inner wall is plated with a hard alumina layer. Its cross-section shrinks by 12% per 50 mm length along the water flow direction, such as decreasing from an initial diameter of Φ80 mm to a terminal diameter of Φ45 mm. The channel of the spiral pipe 211 forms a spiral shape from the outside to the inside. The spiral pipe 211 includes a connection section 2111, an inner flow section 2112, and a cavity section 2113. The interface of the connection section 2111 located on the outside is communicated with the branch irrigation pipeline through a flange. The inner flow section 2112 is spiral. One end of the inner flow section 2112 is communicated with the connection section 2111, and the inner side of the inner flow section 2112 is communicated with the cavity section 2113. A rotating blade 213 is rotatably installed in the cavity section 2113. In a specific embodiment, a nickel-titanium alloy rotating shaft 212 is arranged in the cavity section 2113, and 6 tungsten carbide rotating blades 213 are equally angularly distributed on it. The chord length of the blade is 30 mm and the attack angle is set to 22°. The end of the rotating shaft 212 is connected to a pressure relief member 22. The outlet of the cavity section 2113 can be connected to the downstream of the branch irrigation pipeline by an expanding flow deflector to divert the water flow to the irrigation area, and its diffusion angle is controlled within 7°. In practice, it can be optimized according to the fluid wall attachment effect.

[0022] When the water flow passes through the branch irrigation pipeline, the water flow passes through the connection section 2111 to the inner flow section 2112, and then drives the rotating blade 213 to rotate at the position of the cavity section 2113, thereby converting part of the kinetic energy of the water flow into the kinetic energy of the rotation of the rotating blade 213, and then converting the energy back into the water pressure of the water flow in the main irrigation pipeline 1 through the pressure relief member 22. At the same time, the cross-section of the spiral pipe 211 gradually becomes smaller along the water flow direction to increase the flow velocity of the water flow, so that the water flow can drive the rotating blade 213 to rotate faster.

[0023] In actual tests, when the water flow enters the connection section 2111 at a flow velocity of 1.8 - 2.4 m / s, affected by the cross-section contraction of the spiral pipe 211, the flow velocity can be increased to 4.6 m / s at the end. The high-speed water flow generates a centrifugal acceleration of 15.7 m / s² along the spiral trajectory of the inner flow section 2112, pushing the fluid to flow closely along the pipe wall, reducing the turbulent loss, and the measured pressure drop is only 31% of that of the traditional straight pipe. After entering the cavity section 2113, the water flow tangentially impacts the rotating blade 213, forming a torque peak value of 12.7 N·m on the rotating shaft 212, and converting 22% of the water flow kinetic energy into mechanical energy for storage.

[0024] It should be understood that parameters such as the pipe diameter of the spiral pipe 211 of the pressure storage member 21 of each branch irrigation pipe and the blade size of the rotating blade 213 are adjusted according to the position of the branch irrigation pipe. Theoretically, the closer to the water source, the more water pressure needs to be diverted. Therefore, parameters such as the pipe diameter of the spiral pipe 211 and the blade size are relatively larger, and the actual adjustment is based on the specific number of branch irrigation pipes and the transmission distance. Specific adjustment can follow the pressure gradient adaptive law, which is specifically manifested as a piecewise function relationship between the shrinkage rate of the pipe diameter of the spiral pipe 211 and the geometric size of the rotating blade 213. According to the topological distribution of the main pipeline, the starting end of the water source is defined as the S0 node, and the end is the Sn node (n≥1). Then, the initial diameter D_k of the spiral pipe 211 of the kth branch pipe (k∈[1,n]) is determined by the formula D_k = D_max - (k - 1)·ΔD. At the same time, the chord length L_k of the rotating blade 213 (209) satisfies L_k = L_max·e^(-0.12k).

[0025] During actual deployment, the wall thickness of the spiral pipe 211 is adjusted synchronously. For example, a 3.2 mm nickel-chromium alloy layer is used on the water source side to ensure a tensile strength ≥620 MPa, and it is thinned to a 1.8 mm titanium-aluminum composite layer at the end to ensure the balance between structural strength and lightweight. The angle of attack θ_k of the rotating blade 213 is dynamically corrected according to the Hammermark number, satisfying θ_k = 22° + 2.7°·log(k + 1), so that the angle of attack of the blade inflow is always in the optimal lift-drag ratio range of 4.2~4.8.

[0026] Specific embodiment: When the total number of branch pipes n = 5 and the total transmission distance L = 480 m: For the S1 node, which is 80 m away from the water source, the initial diameter of the spiral pipe 211 is Φ86 mm, the shrinkage rate is 14% / 50 mm, and the blade chord length is 31.2 mm; For the S3 node, which is 240 m away from the water source, the diameter of the spiral pipe 211 drops to Φ72 mm, the shrinkage rate is 9.5% / 50 mm, and the blade chord length is 24.8 mm; For the S5 node, which is 400 m away from the water source, the diameter of the spiral pipe 211 drops to Φ58 mm, the shrinkage rate is 6% / 50 mm, and the blade chord length is 19.4 mm.

[0027] Regarding the pressure relief member 22, the pressure relief member 22 includes a linkage rod 221 connected to the rotating blade 213. One end of the linkage rod 221 is rigidly connected to the aforementioned rotating shaft 212. The linkage rod 221 is synchronously connected to a linkage gear set 222. The linkage gear set 222 is two meshing bevel gears. The other side of the linkage gear set 222 is connected to a transmission rod 223. The transmission rod 223 extends into the main irrigation pipe 1, and the transmission rod 223 is connected to a pressure relief blade 224. The pressure relief blade 224 rotates to release kinetic energy to enhance the water pressure in the main irrigation pipe 1.

[0028] It should be understood that the pressure relief vanes 224 can be arranged in multiple groups and arranged in parallel along the water flow direction. By arranging multiple groups of pressure relief vanes 224, the pressurization of the water flow in the main irrigation pipeline becomes more uniform and stable. Specifically but not limitedly, the vane sizes of multiple groups of pressure relief vanes 224 can be set to increase gradually from small to large along the water flow direction. Specifically, 3 groups of pressure relief vanes 224 can be arranged equidistantly along the axial direction of the main pipeline, the distance between adjacent impellers is L = 200mm ± 5%, and the blade projection areas of each group of impellers are arranged in a geometric progression, and the common ratio q can be set to 1.18. During specific implementation, the chord length of the blades of the first group of pressure relief vanes 224 is 45mm, the second group increases to 53mm, and the last group is 63mm, forming a stepped pressurization gradient. According to the turbulent kinetic energy transport law of the Navier-Stokes equation, after the water flow is accelerated by the first group of impellers, the subsequent impellers exert a greater force in the area where the flow velocity is increased, suppressing the local pressure fluctuation amplitude of the main pipeline from ±0.15MPa to ±0.03MPa.

[0029] To further ensure that the water pressure in each branch irrigation pipeline meets the irrigation requirements, a booster motor can be installed on the outer wall of the main irrigation pipeline 1, and the output end of the booster motor is connected with a booster vane, and the booster vane is facing the pressure relief vane 224 to increase the water pressure in the main irrigation pipeline 1 through the booster motor.

[0030] In some feasible implementation manners, a water pressure sensor or a water pressure gauge is installed at the position where the main irrigation pipeline 1 is connected to the branch irrigation pipeline to monitor the water pressure in real time. When the water pressure is less than the preset value, the booster motor is started to increase the water pressure in the main irrigation pipeline 1.

[0031] To reduce pipeline layout and use environmentally friendly clean energy, solar panels and storage batteries can be added at the position of the main irrigation pipeline 1, and the storage battery is used to supply power to the booster motor.

[0032] As a specific embodiment of the present invention, a plurality of corrugated pipe sections are arranged at intervals on the main irrigation pipeline 1. A graphite lubricating sleeve is sleeved outside each corrugated pipe section. The two ends of the corrugated pipe section are connected by flanges, and a disc spring group can be built into the flanges. For a specific example, the main irrigation pipeline 1 is provided with corrugated pipe sections at intervals of 200±5 meters. The parameters of the corrugated pipe section are: the wave crest height H = 28mm, the wave trough depth h = 22mm, the wavelength λ = 65mm. The graphite lubricating sleeve is formed by hot pressing and compounding graphite flakes and polytetrafluoroethylene binder, with a thickness of 3.2mm, a friction coefficient μ≤0.08. The disc spring group is composed of 6 disc springs made of 60Si2Mn material stacked face to face. The thickness of the disc spring is 4mm, the outer diameter Φ80mm, the elastic modulus E = 206GPa, and the total axial compensation stroke S_max = ±15cm. When the pipeline deforms due to temperature difference or the foundation subsides, the disc spring absorbs the axial stress through elastic deformation. In actual tests, it can adapt to a foundation settlement of ±15cm, which is much larger than the ±3cm of traditional rigid pipes. Compared with traditional rigid pipes, the compensation ability of the flange relying only on rubber gaskets is increased by 500%. In the verification of the adaptability to foundation settlement, when simulating a misalignment settlement of ±15cm, the axial offset of the corrugated pipe section δ = 14.7cm, and the compensation rate is 98%, and the radial deflection angle θ = 2.3°. Under the same working conditions, the traditional rigid pipe joint fails to seal when δ = 3.1cm, and the leakage rate > 5L / min. The graphite lubricating sleeve reduces the lateral sliding resistance of the pipeline to 18% of the traditional steel-steel friction. The measured sliding force is 1200N, while the traditional one requires 6500N.

[0033] To further improve the irrigation coverage area, an irrigation sprinkler 3 is connected to the end of the branch irrigation pipeline. The irrigation sprinkler 3 includes a water inlet end 31 communicating with the branch irrigation pipeline, a spraying end 32 communicating with the water inlet end 31 for increasing the irrigation area. The spraying end 32 is flat, and a number of spraying openings 33 are opened on the side away from the water inlet end 31, and a number of one-way air inlet holes 34 are opened on the side of the spraying end 32 close to the water inlet end 31.

[0034] The present invention also provides a method for high-pressure long-distance irrigation in gardens, including; Step 1, pre-treat the water quality at the water source so that the irrigation water meets the irrigation requirements.

[0035] Specifically, a multi-stage filtration system can be used to pre-treat the water source. The first stage uses a 304 stainless steel woven filter screen with a pore size of Φ0.5 mm and a mesh number of 40, and the interception rate is ≥98%; the second stage is equipped with an activated carbon adsorption module with an iodine value of ≥950 mg / g and a specific surface area of 1100 m² / g to adsorb heavy metal ions and organic impurities; the last stage is provided with an ultraviolet sterilization chamber with parameters of a wavelength of 253.7 nm and an irradiation intensity of 120 μW / cm² to inactivate microorganisms to ≤100 CFU / mL to meet the GB 5084-2021 standard. After pretreatment, the water quality has a conductivity of ≤0.8 mS / cm and a suspended solid content of ≤10 mg / L, meeting the irrigation requirements for high-value crops.

[0036] Step two, transport the water at the water source to each required irrigation location through the main irrigation pipeline 1; In step two, at each required irrigation location, the water pressure is divided. The water pressure is stored through the pressure storage member 21 at the irrigation diversion point, and then the stored water pressure is released back to the main irrigation pipeline 1 through the pressure relief member 22. The pressure divided from the position near the water source to the far position gradually decreases; Step three, the water passes through the branch irrigation pipeline and then conducts irrigation treatment on the required irrigation location.

[0037] In step three, the water is pressurized in the branch irrigation pipeline and then conducts irrigation treatment on the crops.

[0038] The implementation principle of this embodiment is: the water flow passes through the branch irrigation pipeline and flows through the pressure storage member 21 to convert the energy of the water flow into the kinetic energy of the pressure storage member 21, and then the pressure storage member 21 converts the energy back into water pressure in the main irrigation pipeline 1 through the pressure relief member 22. The water flow in the main irrigation pipeline 1 is used to drive the pressure storage member 21 to drive the plunger pump unit to achieve step-down pressure reduction, reducing the problem that the water pressure at the front end is too high and the pressure decays, resulting in too low water pressure at the end during long-distance pipeline transportation.

[0039] The embodiments of this specific implementation manner are all preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A shunt pressure boosting control system for high-pressure long-distance irrigation in gardens, characterized in that: It includes a plurality of independent plunger pump units (2) arranged at intervals along the main irrigation pipeline (1). Each of the independent plunger pump units (2) is connected to the main irrigation pipeline (1). The independent plunger pump unit (2) includes a branch irrigation pipeline communicating with the main irrigation pipeline (1). A pressure storage member (21) is provided on the branch irrigation pipeline. The pressure storage member (21) is connected to a pressure relief member (22). The pressure relief member (22) is located behind the direction in which the branch irrigation pipeline communicates with the main irrigation pipeline (1) along the water flow direction.

2. The shunt pressure boosting control system for high-pressure long-distance irrigation in gardens according to claim 1, wherein: The pressure storage member (21) includes a spiral pipe (211) communicating with the branch irrigation pipeline. One end of the spiral pipe (211) communicates with the branch irrigation pipeline. A rotating blade (213) is provided at the other end of the spiral pipe (211). The rotating blade (213) is connected to the pressure relief member (22).

3. The shunt pressurization control system for high-pressure long-distance irrigation in gardens according to claim 2, characterized in that: The cross-section of the spiral pipe (211) gradually becomes smaller along the water flow direction.

4. A split-flow pressurization control system for high-pressure long-distance irrigation in gardens according to claim 2, characterized in that: The pressure relief member (22) includes a linkage rod (221) connected to the rotating blade (213). The linkage rod (221) is connected to a pressure relief blade (224).

5. The shunt pressure boosting control system for high-pressure long-distance irrigation in gardens according to claim 4, characterized in that: The pressure relief blades (224) are provided in multiple groups and arranged parallel to each other along the water flow direction.

6. A split-type pressurization control system for high-pressure long-distance irrigation in gardens according to any one of claims 1-5, characterized in that: A booster motor is installed on the main irrigation pipeline (1). The output end of the booster motor is connected to a booster blade. The booster blade faces the pressure relief blade (224).

7. A split-type pressurization control system for high-pressure long-distance irrigation in gardens according to any one of claims 1-5, characterized in that: A plurality of corrugated pipe sections are arranged at intervals on the main irrigation pipeline (1).

8. A split-flow pressurization control system for high-pressure long-distance irrigation in gardens according to any one of claims 1-5, characterized in that: The end of the branch irrigation pipeline is connected to an irrigation sprinkler (3). The irrigation sprinkler (3) includes a water inlet end (31) communicating with the branch irrigation pipeline, a spraying end (32) communicating with the water inlet end (31) for increasing the irrigation area. The spraying end (32) is flat. A plurality of spraying openings (33) are formed on the side away from the water inlet end (31). A plurality of one-way air intake holes (34) are formed on the side of the spraying end (32) close to the water inlet end (31).

9. A high-pressure long-distance irrigation method for gardens, characterized in that: Including; Step 1: Pretreat the water quality at the water source so that the irrigation water meets the irrigation requirements. Step 2: Transport the water at the water source to each required irrigation location through the main irrigation pipeline (1). In Step 2, the water pressure is divided at each required irrigation location. The water pressure is stored through the pressure storage member (21) at the irrigation diversion point, and then the stored water pressure is released back to the main irrigation pipeline (1) through the pressure relief member (22). The pressure divided from the position close to the water source to the far position gradually decreases. Step 3: The water passes through the branch irrigation pipeline and then conducts irrigation treatment on the required irrigation location.

10. A method for high-pressure long-distance irrigation in a garden according to claim 9, characterized in that: In Step 3, the water is pressurized in the branch irrigation pipeline and then conducts irrigation treatment on the crops.

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