Flow regulation type water, pesticide and fertilizer integrated drip irrigation system

Abstract

The utility model discloses a flow regulation type water, pesticide and fertilizer integrated drip irrigation system which comprises a water storage tank and a pesticide and fertilizer tank, a water supply pipe on the water storage tank and a pesticide and fertilizer pipe on the pesticide and fertilizer tank are connected with the water inlet end of a conveying pipe through a three-way connector, a booster pump and a pressure regulating valve are sequentially arranged on the conveying pipe, and the water outlet end of the conveying pipe is communicated with a plurality of drip irrigation pipes. A plurality of drip irrigation emitters are arranged in the extension direction of the drip irrigation pipe at intervals, each drip irrigation emitter comprises a drip irrigation shell fixedly embedded in the drip irrigation pipe, a water inlet is formed in one end of each drip irrigation shell, an elastic flow channel with the size changing along with the change of water pressure is formed in each drip irrigation shell, and a water outlet channel is formed in the outer side face of each drip irrigation shell; according to the scheme, through cooperation of the two electric opening adjusting valves, water irrigation can be achieved, pesticide and fertilizer irrigation can also be achieved, and switching between the water irrigation and the pesticide and fertilizer irrigation is flexible; meanwhile, the elastic flow channel enables the drip irrigation emitter to be large in flow adjusting range and not prone to being blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of drip irrigation, in particular to a flow-regulating water-pharmaceutical-fertilizer integrated drip irrigation system. Background Art

[0002] Drip irrigation is an advanced irrigation method that can achieve efficient water conservation and significant benefits in improving quality and efficiency. As the problem of water shortage in my country becomes increasingly prominent, drip irrigation technology has developed rapidly in my country. Along with this, drip irrigation technologies for inferior water, such as recycled water drip irrigation, have also developed rapidly, greatly improving the utilization rate of inferior water and even wastewater, and making a significant contribution to the sustainable development of water resources in my country.

[0003] However, the current drip irrigation system has a simple structure and can generally only provide water or fertilizer irrigation separately, and it is difficult to flexibly switch between water irrigation and fertilizer irrigation. At the same time, in order to control the drip irrigation flow and avoid water waste, the flow channel size of the dripper is small and the flow adjustment range is narrow. Since the composition of poor-quality water is very complex, impurities such as gravel, sludge and microorganisms are very easy to deposit, agglomerate and adhere to the narrow flow channel of the dripper, resulting in a relatively common problem of dripper blockage, which seriously restricts the in-depth development of drip irrigation technology. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the present invention provides a flow-regulated water-pesticide-fertilizer integrated drip irrigation system, which solves the problem that the existing drip irrigation system has a single function and is easily clogged.

[0005] In order to achieve the above purpose, the technical solution adopted by the present utility model is:

[0006] Provided is a flow-regulated integrated water-pesticide-fertilizer drip irrigation system, which includes a water storage tank and a fertilizer dispenser. The water supply pipe on the water storage tank and the fertilizer pipe on the fertilizer dispenser are connected to the water inlet end of a delivery pipe via a tee joint. A booster pump and a pressure regulating valve are sequentially provided on the delivery pipe. The water outlet end of the delivery pipe is connected to a plurality of drip irrigation pipes. A plurality of drippers are arranged at intervals in the extending direction of the drip irrigation pipes. The dripper includes a drip irrigation shell fixedly embedded in the drip irrigation pipe, a water inlet is provided at one end of the drip irrigation shell, an elastic flow channel whose size changes with water pressure is provided inside the drip irrigation shell, a water outlet channel is provided on the outer surface of the drip irrigation shell, and the drip irrigation pipes are connected to the water outlet channel via the water inlet and the elastic flow channel in sequence.

[0007] Furthermore, a flow channel portion is provided in the drip irrigation shell, an elastic body is provided in the middle of the flow channel portion, and two sides of the elastic body are respectively provided with gaps with two sides of the flow channel portion to form an elastic flow channel together.

[0008] Furthermore, a plurality of elastic protruding teeth are arranged at intervals along the extension direction of the two side surfaces of the elastic body.

[0009] Furthermore, the water outlet channel is arranged on the outer surface of the drip irrigation housing at the end away from the water inlet, and the water outlet channel is a truncated cone-shaped channel with a gradually narrowing end.

[0010] Furthermore, the direction of the water inlet is the same as the flow direction of the water inside the drip irrigation pipe.

[0011] Furthermore, electric opening regulating valves are provided on the water supply pipe and the pesticide and fertilizer pipe.

[0012] Furthermore, a primary filter is provided on the delivery pipe at the rear end of the pressure regulating valve.

[0013] The beneficial effects of the utility model are:

[0014] 1. This solution can realize both water irrigation and pesticide and fertilizer irrigation through the cooperation of two electric opening regulating valves, and the switching between the two is flexible; at the same time, by controlling the opening of the water supply pipe and the pesticide and fertilizer pipe, the concentration of pesticide and fertilizer can be regulated.

[0015] 2. This solution uses a booster pump and a pressure-regulating valve to regulate the water pressure in the drip irrigation pipe. When the water pressure is low, the elastic ridges on the elastomer are less deformed by hydraulic force, allowing the water to maintain a turbulent state when passing through the elastic flow channel. This allows the elastic flow channel to dissipate hydraulic energy, thereby achieving the purpose of controlling the drip irrigation flow rate. When the water pressure is high, the water flow squeezes the elastic ridges and causes them to deflect, thereby increasing the flow cross-sectional area of the elastic flow channel and significantly increasing the drip irrigation flow rate.

[0016] 3. This solution sets the water inlet on the backwater side of the drip irrigation pipe, reducing the situation where impurities and sludge in the water adhere to the water inlet due to hydraulic impact; at the same time, when the elastic flow channel is blocked by impurities and sludge, the elastic deformation characteristics of the elastic flow channel can be utilized to increase the water pressure to flush out the impurities and sludge, making it less likely to be blocked by impurities and sludge. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural diagram of a flow-regulated water-pesticide-fertilizer integrated drip irrigation system.

[0018] Figure 2 It is a structural diagram of the cooperation between the dripper and the drip irrigation pipe.

[0019] Figure 3 for Figure 2 Cross-sectional view of the AA area.

[0020] Among them, 1. water storage tank, 2. fertilizer irrigation, 3. water supply pipe, 4. fertilizer pipe, 5. delivery pipe, 6. booster pump, 7. pressure regulating valve, 8. drip irrigation pipe, 9. drip irrigator, 10. drip irrigation shell, 11. water inlet, 12. water outlet channel, 13. flow channel part, 14. elastomer, 15. elastic convex teeth, 16. electric opening regulating valve, 17. primary filter, 18. pillar. DETAILED DESCRIPTION

[0021] The specific implementation methods of the present invention are described below to facilitate understanding of the present invention by those skilled in the art. However, it should be clear that the present invention is not limited to the scope of the specific implementation methods. For those skilled in the art, as long as various changes are within the spirit and scope of the present invention as defined and determined by the appended claims, these changes are obvious, and all utility model creations using the concept of the present invention are protected.

[0022] like Figures 1 to 3 As shown, the flow-regulated water-pesticide-fertilizer integrated drip irrigation system of this scheme includes a water storage tank 1 and a pesticide-fertilizer tank 2. The water supply pipe 3 on the water storage tank 1 and the pesticide-fertilizer pipe 4 on the pesticide-fertilizer tank 2 are connected to the water inlet end of the delivery pipe 5 through a tee joint. The water supply pipe 3 and the pesticide-fertilizer pipe 4 are both provided with an electric opening regulating valve 16. The delivery pipe 5 is sequentially provided with a booster pump 6 and a pressure regulating valve 7 to realize the control and regulation of the water pressure; the water outlet end of the delivery pipe 5 is connected to a plurality of drip irrigation pipes 8 through a plurality of elbows and a tee joint, and a plurality of drippers 9 are arranged at intervals in the extension direction of the drip irrigation pipe 8.

[0023] This solution can achieve both water irrigation and fertilizer irrigation through the cooperation of two electric opening regulating valves 16, and the switching between the two is flexible; at the same time, by controlling the opening of the water supply pipe 3 and the fertilizer pipe 4, the fertilizer concentration can be regulated.

[0024] The drip irrigation device 9 of this scheme includes a drip irrigation shell 10 fixedly embedded in the drip irrigation pipe 8, a water inlet 11 is provided at one end of the drip irrigation shell 10, an elastic flow channel is provided inside the drip irrigation shell 10, and a water outlet channel 12 is provided on the outer surface of the end of the drip irrigation shell 10 away from the water inlet 11. The drip irrigation pipe 8 is connected to the water outlet channel 12 through the water inlet 11 and the elastic flow channel in sequence.

[0025] During the design, a flow channel portion 13 is provided in the drip irrigation housing 10, an elastic body 14 is provided in the middle of the flow channel portion 13, and the elastic body 14 is fixed by a number of pillars 18 passing through the elastic body 14. The two sides of the elastic body 14 are respectively provided with gaps with the two sides of the flow channel portion 13 and together form an elastic flow channel. A number of elastic protruding teeth 15 are arranged at intervals in the extension direction of the two sides of the elastic body 14.

[0026] This solution can regulate the water pressure in the drip irrigation pipe 8 through the cooperation of the booster pump 6 and the pressure regulating valve 7. When the water pressure is low, the deformation of the multiple elastic protruding teeth 15 on the elastic body 14 by the hydraulic force is small, so that the water flow remains in a turbulent state when passing through the elastic flow channel, thereby making the elastic flow channel have the function of hydraulic energy dissipation, thereby achieving the purpose of controlling the drip irrigation flow rate; when the water pressure is high, the water flow squeezes the multiple elastic protruding teeth 15 and causes them to deflect, thereby increasing the flow cross-sectional area of the elastic flow channel and significantly increasing the drip irrigation flow rate; at the same time, when the elastic flow channel is blocked by impurities or sludge, the impurities and sludge can be flushed in by increasing the water pressure by utilizing its own elastic deformation characteristics, making it less likely to be blocked by impurities or sludge.

[0027] As an optional embodiment, the water outlet channel 12 is a truncated cone-shaped channel with a gradually narrowing port, thereby realizing an extruded jet of water; preferably, the water outlet channel 12 can be used as a universal interface and externally connected to various types of nozzles to facilitate drip irrigation, sprinkler irrigation, quota compensation, etc. of water.

[0028] As an optional embodiment, a primary filter 17 is provided on the delivery pipe 5 at the rear end of the pressure regulating valve 7 to filter out larger particles and impurities; the direction of the water inlet 11 is the same as the flow direction of the water inside the drip irrigation pipe 8. This arrangement makes the water inlet 11 located on the back water side inside the drip irrigation pipe 8, thereby reducing the situation where impurities and sludge in the water adhere to the water inlet 11 due to hydraulic impact.

Claims

1. A flow-regulated water-pesticide-fertilizer integrated drip irrigation system, characterized in that: It includes a water storage tank and a fertilizer irrigation system. The water supply pipe on the water storage tank and the fertilizer pipe on the fertilizer irrigation system are connected to the water inlet end of the delivery pipe through a three-way joint. The delivery pipe is sequentially provided with a booster pump and a pressure regulating valve. The water outlet end of the delivery pipe is connected to a plurality of drip irrigation pipes. A plurality of drip irrigators are arranged at intervals in the extension direction of the drip irrigation pipe. The drip irrigator includes a drip irrigation shell fixedly embedded in the drip irrigation pipe, one end of the drip irrigation shell is provided with a water inlet, the interior of the drip irrigation shell is provided with an elastic flow channel whose size changes with water pressure, the outer surface of the drip irrigation shell is provided with a water outlet channel, and the drip irrigation pipe is sequentially connected to the water outlet channel through the water inlet and the elastic flow channel.

2. The flow-regulated water-pesticide-fertilizer integrated drip irrigation system according to claim 1 is characterized in that: A flow channel portion is provided in the drip irrigation housing, an elastic body is provided in the middle of the flow channel portion, and two sides of the elastic body are respectively provided with gaps with two sides of the flow channel portion to form an elastic flow channel together.

3. The flow-regulated water-pesticide-fertilizer integrated drip irrigation system according to claim 2 is characterized in that: A plurality of elastic protruding teeth are arranged at intervals in the extending direction of the two side surfaces of the elastic body.

4. The flow-regulated water-pesticide-fertilizer integrated drip irrigation system according to claim 1 is characterized in that: The water outlet channel is arranged on the outer surface of the drip irrigation housing at the end away from the water inlet, and the water outlet channel is a truncated cone-shaped channel with a gradually narrowing end.

5. The flow-regulated water-pesticide-fertilizer integrated drip irrigation system according to claim 1 is characterized in that: The direction of the water inlet is the same as the flow direction of the water inside the drip irrigation pipe.

6. The flow-regulated water-pesticide-fertilizer integrated drip irrigation system according to claim 1 is characterized in that: The water supply pipe and the pesticide and fertilizer pipe are both provided with electric opening regulating valves.

7. The flow-regulated water-pesticide-fertilizer integrated drip irrigation system according to claim 1 is characterized in that: A primary filter is provided on the delivery pipe located at the rear end of the pressure regulating valve.

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