Water and fertilizer integrated sprinkling irrigation system for wheat

Abstract

The invention belongs to the technical field of agricultural irrigation, and particularly relates to a wheat water and fertilizer integrated sprinkling irrigation system, comprising: a stirring system for uniformly mixing a fertilizer and water; the liquid pumping assembly is communicated with the liquid outlet end of the stirring system; the liquid inlet end of the sprinkling irrigation system communicates with the liquid outlet end of the liquid pumping assembly; the sprinkling irrigation system comprises at least one drip irrigation branch pipe, the bottom of the drip irrigation branch pipe is communicated with the liquid inlet ends of a plurality of sprinkling irrigation heads, and the liquid outlet ends of the sprinkling irrigation heads face the ground; exhaust parts are communicated with one ends, away from the stirring system, of the drip irrigation branch pipes; the air supply system comprises air supply branch pipes matched with the drip irrigation branch pipes in number, the tops of the air supply branch pipes are communicated with the air inlet ends of a plurality of air supply branch pipes matched with the sprinkling irrigation heads in number, and the air outlet ends of the air supply branch pipes are communicated with the drip irrigation branch pipes; the liquid pumping assembly is closed after the sprinkling irrigation system is filled with the water and fertilizer mixed liquid, air is squeezed into the drip irrigation branch pipes of the sprinkling irrigation system through the air supplementing system, and the water and fertilizer mixed liquid is turned over and sprayed out through the sprinkling irrigation heads.

Description

Technical Field

[0001] The invention belongs to the technical field of agricultural irrigation, and in particular relates to a wheat water-fertilizer integrated sprinkler irrigation system. Background Art

[0002] Wheat is a general term for wheat plants. It is a grass plant widely planted all over the world. It is one of the earliest cultivated crops in the world. Wheat is rich in starch, protein, fat, minerals, calcium, iron, thiamine, riboflavin, niacin, vitamin A and vitamin C. With the rapid development of science and technology, wheat water-fertilizer integrated sprinkler irrigation device has also been technically improved.

[0003] In the process of dryland wheat irrigation, the content and concentration of water and fertilizer are critical parameters, which are of great significance to the growth of wheat.

[0004] The existing wheat water-fertilizer integrated sprinkler irrigation system can efficiently mix fertilizer and water, and then transport the mixture through pipelines. However, since the mixture of fertilizer and water still contains some solid precipitation, these precipitations are easy to deposit at the bottom of the pipeline when moving in the pipeline. Over time, it is easy to cause pipeline blockage. Therefore, there is an urgent need for a wheat water-fertilizer integrated sprinkler irrigation system to solve this problem. Summary of the invention

[0005] The purpose of the present invention is to provide a wheat water-fertilizer integrated sprinkler irrigation system to solve the above problems.

[0006] To achieve the above object, the present invention provides the following solutions:

[0007] Wheat water and fertilizer integrated sprinkler irrigation system, including:

[0008] A stirring system to mix fertilizer and water evenly;

[0009] A liquid pump assembly, connected to a liquid outlet end of the stirring system;

[0010] A sprinkler irrigation system, wherein the liquid inlet end is connected to the liquid outlet end of the pump liquid assembly; the sprinkler irrigation system comprises at least one drip irrigation branch pipe, the bottom of the drip irrigation branch pipe is connected to the liquid inlet ends of a plurality of sprinkler irrigation heads, and the liquid outlet end of the sprinkler irrigation head is arranged toward the ground; the end of the drip irrigation branch pipe away from the stirring system is connected to the exhaust part;

[0011] An air supply system, the air supply system comprising air supply branch pipes matching the number of the drip irrigation branch pipes, the top of the air supply branch pipes being connected to the air inlet ends of a number of air supply branch pipes matching the number of the sprinkler heads, and the air outlet ends of the air supply branch pipes being connected to the drip irrigation branch pipes;

[0012] The pump liquid component is closed after filling the sprinkler irrigation system with the water-fertilizer mixture, and squeezes air into the drip irrigation branch pipes of the sprinkler irrigation system through the air supply system to make the water-fertilizer mixture tumble, and then sprays it out from each sprinkler irrigation head.

[0013] Optionally, the stirring system comprises:

[0014] A box body, wherein a frustum-shaped bottom plate is fixedly connected to the middle of the box body, the tip of the frustum-shaped bottom plate is arranged downward, and the frustum-shaped bottom plate divides the box body into a mixing chamber and a pump air chamber;

[0015] A stirring part is arranged in the mixing chamber, and the stirring part is used to mix water and fertilizer, and the bottom of the frustum-shaped bottom plate is connected to the liquid inlet end of the pump liquid assembly;

[0016] The air supply end of the air supplement system is arranged in the pump air cavity.

[0017] Optionally, the stirring part includes a motor, a fixed end of the motor is fixedly connected to the box, an output shaft of the motor is connected to a stirring shaft, the stirring shaft is transmission-connected to stirring blades, and the stirring blades are used for stirring water and fertilizer.

[0018] Optionally, the air replenishment system includes an air pump, which is arranged in the pump air cavity, the air inlet end of the air pump is connected to the atmosphere, and the air outlet end of the air pump is connected to the air inlet end of the air replenishment branch pipe.

[0019] Optionally, the input shaft of the air pump is axially connected to the stirring shaft.

[0020] Optionally, the pump liquid assembly includes a water pump, the liquid inlet end of the water pump is connected to the liquid outlet end of a water outlet pipe, the liquid inlet end of the water outlet pipe passes through the bottom of the frustum-shaped bottom plate and is connected to the mixing chamber, the liquid outlet end of the water pump is connected to the liquid inlet end of the drip irrigation main pipe, and each liquid outlet end of the drip irrigation main pipe corresponds to and is connected to the liquid inlet end of each of the drip irrigation branch pipes.

[0021] Optionally, a liquid level sensor for detecting the liquid level is fixedly connected to the inner wall of the box.

[0022] Optionally, the air outlet end of the air pump is connected to the air inlet end of the exhaust pipe, and the air outlet end of the exhaust pipe is connected to the air inlet end of the air supply main pipe. Each air outlet end of the air supply main pipe corresponds to and is connected to each air inlet end of the air supply branch pipe.

[0023] Optionally, the exhaust portion includes an exhaust valve, and the exhaust valve is communicated with an end of the drip irrigation branch pipe.

[0024] Optionally, the motor is electrically connected to a photovoltaic power supply device.

[0025] Compared with the prior art, the present invention has the following advantages and technical effects:

[0026] When in use, the fertilizer and water are evenly mixed by the stirring system, and the water-fertilizer mixture is filled into the sprinkler irrigation system through the pump liquid component, and then the pumping is stopped. At this time, the sprinkler irrigation system cannot realize sprinkler irrigation, and air is supplied to the drip irrigation pipe of the sprinkler irrigation system through the air supply system. After the air supply system squeezes the air into the drip irrigation pipe, the gas forms bubbles in the water-fertilizer mixture and moves to the upper part of the drip irrigation pipe. The formation and bursting of bubbles will cause the water-fertilizer mixture in the drip irrigation pipe to roll and suspend the sediment therein again, which can effectively avoid fertilizer deposition. As the air pressure in the drip irrigation pipe increases, the liquid is sprayed out through the sprinkler head under the action of air pressure and sprinkled on the ground to complete the sprinkler irrigation. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor:

[0028] Figure 1 It is a schematic diagram of the structure of the present invention;

[0029] Figure 2 For the present invention Figure 1 A partial enlarged view of the middle part;

[0030] Figure 3 It is a top view of the structure of the present invention;

[0031] Figure 4 It is a top view of the air pump structure of the present invention;

[0032] Among them, 1. Box body; 2. Motor; 3. Water and fertilizer integrated feed hopper; 4. Liquid level sensor; 5. Stirring shaft; 6. Rotating shaft; 7. Fixed bushing; 8. First stirring rod; 9. Second gear; 10. Bushing; 11. Second stirring rod; 12. Scraper; 13. Cone-shaped bottom plate; 14. Outlet pipe; 15. Water pump; 16. Drip irrigation main pipe; 17. Drip irrigation branch pipe; 18. Exhaust valve; 19. Exhaust pipe; 20. Air supply main pipe; 21. Peristaltic pump housing; 22. Disc; 23. Extrusion bearing; 24. Hose; 25. Inlet pipe; 26. Air supply branch pipe; 27. Sprinkler head; 28. Air supply branch pipe; 29. ​​Spring; 30. Pressure cover. DETAILED DESCRIPTION

[0033] Wheat is a general term for wheat plants. It is a monocotyledonous plant and a grass plant widely planted around the world. The caryopsis of wheat is one of the staple foods of humans. Wheat is one of the three major grains, almost all of which are edible. China is one of the earliest countries in the world to grow wheat. The soil layer is deep and well-structured. The deep ploughing layer is conducive to water storage and fertilizer conservation and promotes root development. Soil structure refers to the composition ratio of solids (organic and inorganic), liquids, and gases. It is closely related to soil moisture, air, temperature, and nutrients. Soil structure is directly related to the quality and yield of wheat production. Wheat is a long-day crop (8 to 12 hours of light per day). If the sunlight conditions are insufficient, it will not pass the light stage and cannot ear and bear fruit. It is precisely because of this that good water and nutrients are crucial to wheat production. Sprinkler irrigation technology has the characteristics of wide coverage and outstanding water and fertilizer effects, and is widely used in wheat planting irrigation.

[0034] There is currently an existing technology, which includes a wheat water-fertilizer integrated sprinkler irrigation system, which includes a water storage tank, a fertilizer tank, a pretreatment tank, a mixing tank, a sprinkler head and a control device; the pretreatment tank is equipped with an air pump and a conical spiral extending conduit; the conduit has a first end and a second end opposite to each other, the first end is located at the bottom surface of the conical spiral, and the second end is close to the top of the conical spiral; the outlet of the air pump is connected to the first end of the conduit; the fertilizer tank is connected to the first end of the pretreatment tank through a first pipeline, the second end of the pretreatment tank is connected to the mixing tank through a second pipeline, the water storage tank is connected to the mixing tank through a third pipeline, the mixing tank is connected to the sprinkler head through a fourth pipeline, and the water storage tank is connected to the sprinkler head through a fifth pipeline; the control device is electrically connected to the water storage tank, the fertilizer tank, the pretreatment tank, the mixing tank and the sprinkler head respectively.

[0035] The fertilizer in the fertilizer tank of the system will be processed by the pretreatment tank and then the mixing tank for water and fertilizer configuration. Furthermore, the pretreatment tank is equipped with a wind pump and a conical spiral extending conduit; the conduit has a first end and a second end opposite to each other, the first end is located at the bottom of the conical spiral, and the second end is close to the top of the conical spiral; the outlet of the wind pump is connected to the first end of the conduit. When in use, the fertilizer tank is connected to the first end of the pretreatment tank through a first pipeline, the second end of the pretreatment tank is connected to the mixing tank through a second pipeline, the water tank is connected to the mixing tank through a third pipeline, and the mixing tank is connected to the sprinkler head through a fourth pipeline. When the fertilizer particles in the fertilizer irrigation pass through the conical spiral extending conduit, under the action of the wind pump, the fertilizer particles will hit and break on the inner wall of the conduit. As the fertilizer particles move along the conduit, the spiral surface area of ​​the conduit becomes smaller and smaller, and the particles are compressed / extruded more violently, so that the fertilizer particles are further crushed into small particles. The fertilizer that is completely crushed into small particles is sent to the mixing tank and mixed with the water flow from the water tank to become water fertilizer that meets the preset requirements, which is used to sprinkle plants and soil. At the same time, the control device can accurately control the concentration of water and fertilizer. In summary, such a wheat water and fertilizer integrated sprinkler irrigation system has a simple structure, is easy to operate, can significantly improve the quality of water and fertilizer during sprinkler irrigation, is easy to manufacture, and is conducive to large-scale assembly line production.

[0036] In another prior art, the wheat water and fertilizer integrated sprinkler irrigation system includes two mobile components, a sprinkler water tank and a sprinkler part. A rotating motor is provided on the upper side of the mobile component. The sprinkler part is connected between the two rotating motors. The sprinkler water tank is fixed on the upper side of one of the mobile components. A hose is connected between the sprinkler water tank and the sprinkler part. A medicine box is connected to the upper side of the sprinkler water tank. The medicine box is connected to the inside of the sprinkler water tank. As an optimization, the two mobile components are respectively a first mobile component and a second mobile component. The mobile component includes a support seat and a plurality of wheels. A mounting seat is provided on the lower surface of the support seat. The wheel is rotatably connected to the mounting seat, and a mobile motor is connected to one end of the wheel in the axial direction. The two rotating motors are respectively a first rotating motor and a second rotating motor. The first rotating motor is arranged on the upper side of the first mobile component. The first rotating motor is arranged vertically. The output shaft of the first rotating motor is fixedly connected to the upper surface of the first mobile component. The second rotating motor is arranged vertically. The output shaft of the second rotating motor is fixedly connected to the upper surface of the second mobile component. A first connecting arm is provided on the side adjacent to the sprinkler part of the first rotating motor, a second connecting arm is provided on the side adjacent to the sprinkler part of the second rotating motor, the first connecting arm and the second connecting arm are arranged oppositely, one end of the sprinkler part is rotatably connected to the first connecting arm, and the other end of the sprinkler part is rotatably connected to the second connecting arm. A dosing port and an air hole are provided on the upper part of the medicine box, a metering pump is connected between the dosing box and the sprinkler water tank, a water injection port and an air hole are provided on the upper part of the sprinkler water tank, and a cover is detachably connected to the dosing port and the water injection port; a drain pipe is connected to the bottom of the water tank, a plurality of connection ports are provided on the drain pipe, one end of the hose is connected to the connection port, and a liquid pump is provided on the end of the drain pipe adjacent to the water tank. The sprinkler part of the sprinkler includes a support beam, a mounting seat, an adjustment part and a plurality of sprinkler arms, the two ends of the support beam are rotatably connected to the first connecting arm and the second connecting arm respectively, the adjustment part is arranged on the rear side of the support beam, the mounting seat is rotatably connected to the front side of the support beam, and the sprinkler arm is movably connected to the mounting seat. The support beam includes a first support beam and a second support beam, one end of the first support beam is rotatably connected to the first connecting arm, the other end of the first support beam is rotatably connected to one end of the second support beam, and the other end of the second support beam is rotatably connected to the second support arm. The first support beam and the second support beam are evenly provided with a plurality of connection holes, a connecting rod is provided at the rear side of the mounting seat, the connecting rod is rotatably connected in the connection hole, one end of the connecting rod away from the mounting seat is connected to a connecting motor, and the housing of the connecting motor is fixedly connected to the support beam. The mounting seat is provided with a receiving hole inside, the sprinkler arm is vertically arranged in the receiving hole, a connecting rack is provided in the length direction of the sprinkler arm, a driving motor is provided on the mounting seat, a driving gear is provided on the output shaft of the driving motor, and the driving gear is meshed and connected with the connecting rack, a limiting frame is provided on the upper side and the lower side of the mounting seat, and the sprinkler arm is slidably connected in the limiting frame; the upper end of the sprinkler arm is connected with the other end of the hose, the interior of the sprinkler arm is hollow, and the lower end of the sprinkler arm is detachably connected with a sprinkler head.The adjusting part includes an adjusting rod, two adjusting seats and an adjusting motor. The two adjusting seats are respectively fixed to the rear side of the first support beam and the rear side of the second support beam. The adjusting motor is fixedly connected to one of the adjusting rods. One end of the adjusting rod is fixedly connected to the output shaft of the adjusting motor. The adjusting rod is rotatably connected to one of the adjusting seats. The adjusting rod is threadedly connected to the other adjusting seat. It also includes a controller and a power supply. The power supply is used to supply power to the sprinkler irrigation system. The controller is connected to the power supply through a line. The controller is used to execute commands to the adjusting motor, the driving motor, the connecting motor, the metering pump, the liquid pump, the rotating motor and the moving motor.

[0037] However, the above schemes cannot achieve the stirring and mixing function during the water and fertilizer transportation process. The sediment in the water and fertilizer is easy to settle in the transportation pipe, which is easy to block the transportation pipe over time. Therefore, it is very necessary to be able to maintain a mixed state during the water and fertilizer transportation process.

[0038] To this end, we provide wheat water and fertilizer integrated sprinkler irrigation system.

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0041] Reference Figures 1 to 4 The present invention discloses a wheat water-fertilizer integrated sprinkler irrigation system, comprising:

[0042] A stirring system to mix fertilizer and water evenly;

[0043] A pump liquid component, connected to a liquid outlet end of the stirring system;

[0044] The sprinkler irrigation system has a liquid inlet connected to a liquid outlet of a pump assembly; the sprinkler irrigation system includes at least one drip irrigation branch pipe 17, the bottom of the drip irrigation branch pipe 17 is connected to the liquid inlet of a plurality of sprinkler heads 27, and the liquid outlet of the sprinkler head 27 is arranged toward the ground; the end of the drip irrigation branch pipe 17 away from the stirring system is connected to an exhaust part;

[0045] The air supply system includes air supply branch pipes 26 that match the number of drip irrigation branch pipes 17. The top of the air supply branch pipe 26 is connected to the air inlet end of a number of air supply branch pipes 28 that match the number of sprinkler heads 27. The air outlet end of the air supply branch pipe 28 is connected to the drip irrigation branch pipe 17.

[0046] The pump assembly fills the sprinkler system with the water-fertilizer mixture and then closes the pump assembly. The pump assembly squeezes air into the drip irrigation pipe 17 of the sprinkler system through the air supply system to cause the water-fertilizer mixture to tumble and be sprayed out from each sprinkler head 27 .

[0047] When in use, the fertilizer and water are mixed evenly by the stirring system, and the water-fertilizer mixture is filled into the sprinkler irrigation system through the pump liquid component, and then the pumping is stopped. At this time, the sprinkler irrigation system cannot realize sprinkler irrigation. The air supply system supplies air to the drip irrigation branch pipe 17 of the sprinkler irrigation system. After the air supply system squeezes the air into the drip irrigation branch pipe 17, the gas forms bubbles in the water-fertilizer mixture and moves to the upper part of the drip irrigation branch pipe 17. The formation and rupture of the bubbles will cause the water-fertilizer mixture in the drip irrigation branch pipe 17 to roll and suspend the sediment therein again, which can effectively avoid fertilizer deposition. As the air pressure in the drip irrigation branch pipe 17 increases, the liquid is sprayed out through the sprinkler head 27 under the action of the air pressure and sprinkled on the ground, completing the sprinkler irrigation.

[0048] As an additional implementation method, the outlet end of the air supply branch pipe 28 is movably equipped with a pressure cover 30, and the top end of the spring 29 is fixedly connected to the pressure cover 30. The bottom end of the spring 29 is fixedly connected to the inner wall of the air supply branch pipe 28. When the gas pressure in the air supply branch pipe 28 is greater than the elasticity of the spring 29, the pressure cover 30 is pushed open to allow the gas to enter the drip irrigation branch pipe 17. The elasticity of the spring 29 in each air supply branch pipe 28 decreases successively in the direction away from the air outlet end of the air supply system.

[0049] In order to ensure the mixing effect, since the air pressure on the side close to the air inlet end in the air supply branch pipe 26 is significantly higher than the air pressure on the side away from the air inlet end, a pressure cap 30 can be provided and connected to the air supply branch pipe 28 through a spring 29. When the air pressure in the air supply branch pipe 28 cannot overcome the elasticity of the corresponding spring 29, the air pressure cannot push open the pressure cap 30, and the gas can move to the side away from the air inlet end of the air supply branch pipe 26. When the air pressure can push open the pressure cap 30, the gas can drip into the branch pipe 17. The elasticity of the spring 29 in each air supply branch pipe 28 decreases in sequence in the direction away from the air outlet end of the air supply system, making it easier for the gas to push open the pressure cap 30 on the side away from the air inlet end, and finally achieving uniform gas injection pressure in the entire drip irrigation branch pipe 17.

[0050] As an optional embodiment, the stirring system includes:

[0051] The box body 1 has a frustoconical bottom plate 13 fixedly connected to the middle of the box body 1, the tip of the frustoconical bottom plate 13 is arranged downward, and the frustoconical bottom plate 13 divides the box body 1 into a mixing chamber and a pump air chamber;

[0052] A stirring part is arranged in the mixing chamber, and is used to mix water and fertilizer. The bottom of the frustum-shaped bottom plate 13 is connected to the liquid inlet end of the pump liquid assembly;

[0053] The air supply end of the air supplement system is arranged in the pump air cavity.

[0054] As an optional embodiment, the stirring part includes a motor 2, a fixed end of the motor 2 is fixedly connected to the box body 1, an output shaft of the motor 2 is connected to a stirring shaft 5, and the stirring shaft 5 is transmission-connected to stirring blades, and the stirring blades are used to stir water and fertilizer.

[0055] As an additional implementation manner, the stirring blades include a first stirring blade group and a second stirring blade group, and the first stirring blade group and the second stirring blade group are transmission-connected.

[0056] A fixed sleeve 7 is provided on the outer side above the stirring shaft 5, and the stirring shaft 5 and the fixed sleeve 7 are coaxially rotatable. The top of the fixed sleeve 7 is fixedly connected to the inner wall of the box body 1. The middle part of the stirring shaft 5 is rotatably connected with two symmetrically arranged second gears 9, and the two second gears 9 are meshed with the bottom end of the fixed sleeve 7. A sleeve 10 is provided on the outer side below the stirring shaft 5, and the sleeve 10 is coaxially rotated with the stirring shaft 5, and the two second gears 9 are meshed with the top of the same sleeve 10.

[0057] The first stirring blade assembly includes a rotating shaft 6 having one end axially connected to the second gear 9 , and the other end of the rotating shaft 6 is fixedly connected to a first stirring rod 8 .

[0058] The second stirring blade assembly includes a plurality of second stirring rods 11 , and the plurality of second stirring rods 11 are fixedly connected to the outer side of the shaft sleeve 10 at equal intervals in the circumferential direction.

[0059] When in use, the stirring shaft 5 drives the two second gears 9 to move. While moving, the second gears 9 will rotate under the action of the fixed sleeve 7. Since the sleeve 10 is engaged with the two second gears 9, the sleeve 10 and the stirring shaft 5 are coaxially reversed. When the second gear 9 rotates, it drives the first stirring rod 8 to rotate through the rotating shaft 6. When the sleeve 10 rotates, it drives the second stirring rod 11 to rotate, thereby realizing the stirring function.

[0060] As an implementation that can be further increased, two symmetrically arranged scrapers 12 are fixedly connected to the bottom of the sleeve 10 , and the scrapers 12 fit the bottom of the frustum-shaped bottom plate 13 . The scrapers 12 are used to scrape off the sediment deposited on the bottom of the frustum-shaped bottom plate 13 .

[0061] As an optional embodiment, the air replenishment system includes an air pump, which is arranged in a pump air cavity, an air inlet end of the air pump is connected to the atmosphere, and an air outlet end of the air pump is connected to the air inlet end of the air replenishment branch pipe 26.

[0062] As an optional implementation, the input shaft of the air pump is axially connected to the stirring shaft 5 .

[0063] The air pumps that can be used include but are not limited to centrifugal pumps, vortex pumps, axial flow pumps, reciprocating pumps, rotor pumps, and electromagnetic pumps.

[0064] The centrifugal pump described in this embodiment is a device that performs work on gas through a high-speed rotating impeller, so that the gas obtains kinetic energy and pressure energy under the action of centrifugal force, thereby achieving air compression. Its working principle is to inhale and compress the gas through the rotation of the impeller, and then discharge the compressed gas through the diffuser and volute. The main components include: Impeller: installed on the shaft, driven by a motor to rotate at high speed, inhaling gas and making it obtain kinetic energy and pressure. Diffuser: reduces the speed of high-speed airflow and increases the pressure. Volute: collects and discharges compressed gas. Shaft system: supports and drives the impeller to rotate.

[0065] The vortex air pump described in this embodiment is a pneumatic device based on the vortex phenomenon, which has the characteristics of oil-free, pollution-free and vibration-free, and is widely used in metallurgy, chemical industry, electronics, aviation, environmental protection and other fields. The working principle is to make the gas vortex through the shape and speed of the nozzle, thereby forming a low-pressure area, attracting external air into the gathering area, forming an airflow and discharging it through the outlet. The vortex air pump is mainly composed of a nozzle, a diffuser, an air intake port, a pressure sensor and an electronic controller. The nozzle is the core component for realizing gas acceleration, the diffuser is used to expand the airflow, and the pressure sensor and the electronic controller are used to monitor and control the airflow flow to ensure the normal and stable operation of the pump.

[0066] The axial flow pump described in this embodiment is a highly efficient gas delivery device, which mainly uses the centrifugal force generated by the rotation of the impeller to compress and transport the gas. Its working principle is: when the impeller rotates, the gas is sucked into the center of the impeller, and then flows axially under the impeller's push, and is gradually compressed and discharged from the pump body. The axial flow air pump has a compact design, a small footprint, is easy to install and maintain, adopts advanced impeller design and fluid dynamics principles, has the characteristics of high efficiency and energy saving, can effectively reduce energy consumption, has a smooth and reliable operation process, low noise, and little pollution to the environment.

[0067] The reciprocating pump (also called piston vacuum pump) described in this embodiment is a dry vacuum pump, which relies on the reciprocating motion of the piston in the cylinder to inhale and exhaust gas. There are two types of reciprocating vacuum pumps: horizontal and vertical. However, the commonly used is the horizontal piston vacuum pump; the piston vacuum pump is divided into single-cylinder and double-cylinder. The structure of its exhaust valve is of sliding valve type and free valve type. The characteristics of the reciprocating vacuum pump are that it is not afraid of water vapor, is firm, and is easy to operate, but its ultimate vacuum degree is not too high: for example, the ultimate vacuum degree of the sliding valve type single-stage vacuum pump is 1lTorr (1Torr = 133.321'a) and the ultimate vacuum degree of the sliding valve type two-stage vacuum pump is 0.05-0.2Torr. The ultimate vacuum degree of the free valve type single-stage vacuum pump is 1020Torr, and the pumping speed range of the reciprocating vacuum pump is 45-20000 cubic meters per hour. It is mainly used to extract air or other gases from closed containers or reactors. Unless special measures are taken, reciprocating vacuum pumps are not suitable for extracting corrosive gases or gases with particulate ash. The temperature of the gas being pumped generally does not exceed 35 degrees. In addition, auxiliary devices must be installed when using a vacuum pump under the following conditions: (1) When the gas being pumped contains dust, a shuttlecock must be installed before the intake pipe; (2) When the gas being pumped contains a large amount of steam, a condenser must be installed before the intake pipe. (3) When the gas being pumped contains corrosive gases, a neutralization device must be installed before entering the vacuum pump; (4) When the temperature of the gas being pumped exceeds 35°C, a cooling device must be installed; (5) When the gas being pumped contains a large amount of liquid, a separator must be installed before the intake pipe; (6) The starting current of the pump often exceeds several times the rated current of the motor, so a corresponding starting switch must be used. The structure and decompression principle of a reciprocating vacuum pump The structure and working principle of a reciprocating vacuum pump are basically the same as those of a reciprocating compressor.

[0068] As an optional embodiment, the pump liquid assembly includes a water pump 15, the liquid inlet end of the water pump 15 is connected to the liquid outlet end of the water outlet pipe 14, the liquid inlet end of the water outlet pipe 14 passes through the bottom of the frustum-shaped bottom plate 13 and is connected to the mixing chamber, the liquid outlet end of the water pump 15 is connected to the liquid inlet end of the drip irrigation main pipe 16, and each liquid outlet end of the drip irrigation main pipe 16 corresponds to and is connected to the liquid inlet end of each drip irrigation branch pipe 17.

[0069] As an optional implementation, a liquid level sensor 4 for detecting the liquid level is fixedly connected to the inner wall of the box body 1 .

[0070] As an optional embodiment, the air outlet end of the air pump is connected to the air inlet end of the exhaust pipe 19, and the air outlet end of the exhaust pipe 19 is connected to the air inlet end of the air supply main pipe 20. The air outlet ends of the air supply main pipe 20 correspond one-to-one to the air inlet ends of the air supply branch pipes 26 and are connected.

[0071] As an additional embodiment, the air pump includes a peristaltic pump housing 21 fixedly connected to the exhaust chamber, a disc 22 rotates inside the peristaltic pump housing 21, a plurality of extrusion bearings 23 circumferentially evenly spaced are rotatably connected to the top of the disc 22, and the middle of the disc 22 is axially connected to the stirring shaft 5; the extrusion bearing 23 extrudes a hose 24, the hose 24 is laid on the inner wall of a circular groove opened in the peristaltic pump housing 21, the air inlet end of the hose 24 is connected to the air inlet pipe 25, and the air outlet end of the hose 24 is connected to the air inlet end of the exhaust pipe 19.

[0072] When in use, the disc 22 is driven to rotate by the stirring shaft 5, so that the outer edge of each extrusion bearing 23 squeezes the hose 24 in turn, and the hose 24 is connected to the atmosphere through the air inlet pipe 25. During the extrusion process of the extrusion bearing 23, the air is pumped into the air supply main pipe 20 through the exhaust pipe 19, and then enters each drip irrigation branch pipe 17.

[0073] As an optional implementation, the exhaust portion includes an exhaust valve 18 , and the exhaust valve 18 is communicated with the end of the drip irrigation branch pipe 17 .

[0074] During the injection process of the drip irrigation pipe 17 , the exhaust valve 18 is opened to ensure that the drip irrigation pipe 17 is filled with the water-fertilizer mixture. Then the exhaust valve 18 is closed, and only air pressure is supplied to the drip irrigation pipe 17 through the air supply pipe 26 so that the water-fertilizer mixture is sprayed out from the sprinkler head 27 .

[0075] As an optional implementation, the motor 2 is electrically connected to a photovoltaic power supply device.

[0076] The photovoltaic power supply device is used to convert solar energy into electrical energy and store it, and the electrical energy is used to provide energy for the motor 2. The sprinkler irrigation system can be easily built when the mains power grid is available.

[0077] As an optional implementation, one side of the top of the box body 1 is connected to the discharge end of the water-fertilizer integrated feeding hopper 3, and the water-fertilizer integrated feeding hopper 3 is used for injecting water and fertilizer and is connected to the atmosphere.

[0078] The working process of the device is as follows: the liquid level sensor 4 is used to sense the liquid level of the mixing chamber in the box 1, and can be set to match the volume of the mixing chamber with the volume of each drip irrigation branch pipe 17, so that after the fertilizer is added to the mixing chamber, the liquid level is sensed by the liquid level sensor 4, and when the water reaches the height of the liquid level sensor 4, an instruction to stop water supply is issued. This process can be realized by a PLC programmable controller, and the start and stop of the water source pump is controlled by the PLC programmable controller, and after the liquid level is reached, the controller sends an instruction to the motor 2 to stir After stirring for a while, the controller controls the water pump 15 to supply water to each drip irrigation branch pipe 17. The exhaust valve 18 is selected as a solenoid valve. It is controlled by the controller to open during the water injection stage of the drip irrigation branch pipe 17, and is controlled to close by the controller after the water injection is completed. While the motor 2 is running, air is distributed to each air supply branch pipe 26 and enters the drip irrigation branch pipe 17 through the air supply branch pipe 28, so that the water-fertilizer mixture in the drip irrigation branch pipe 17 is also mixed by air injection during the injection process, until the exhaust valve 18 is closed, and the water-fertilizer mixture is sprayed out from the sprinkler head 27.

[0079] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0080] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. Wheat water and fertilizer integrated sprinkler irrigation system, characterized by: include: A stirring system to mix fertilizer and water evenly; A liquid pump assembly, connected to a liquid outlet end of the stirring system; A sprinkler irrigation system, wherein a liquid inlet end is connected to a liquid outlet end of the pump liquid assembly; the sprinkler irrigation system comprises at least one drip irrigation branch pipe (17), the bottom of the drip irrigation branch pipe (17) is connected to the liquid inlet ends of a plurality of sprinkler irrigation heads (27), and the liquid outlet ends of the sprinkler irrigation heads (27) are arranged toward the ground; and one end of the drip irrigation branch pipe (17) away from the stirring system is connected to an exhaust portion; An air supply system, the air supply system comprising air supply branch pipes (26) whose number matches the drip irrigation branch pipes (17), the top of the air supply branch pipes (26) being connected to the air inlet ends of a plurality of air supply branch pipes (28) whose number matches the sprinkler heads (27), and the air outlet ends of the air supply branch pipes (28) being connected to the drip irrigation branch pipes (17); The pump liquid component is closed after filling the sprinkler irrigation system with the water-fertilizer mixture, and squeezes air into the drip irrigation branch pipe (17) of the sprinkler irrigation system through the air supply system to make the water-fertilizer mixture tumble, and then sprays it out from each sprinkler irrigation head (27).

2. The wheat water-fertilizer integrated sprinkler irrigation system according to claim 1, characterized in that: The stirring system comprises: A box body (1), wherein a frustoconical bottom plate (13) is fixedly connected to the middle of the box body (1), the tip of the frustoconical bottom plate (13) is arranged downward, and the frustoconical bottom plate (13) divides the box body (1) into a mixing chamber and a pump air chamber; A stirring part is arranged in the mixing chamber, and is used to mix water and fertilizer, and the bottom of the frustum-shaped bottom plate (13) is connected to the liquid inlet end of the pump liquid component; The air supply end of the air supplement system is arranged in the pump air cavity.

3. The wheat water-fertilizer integrated sprinkler irrigation system according to claim 2 is characterized in that: The stirring part comprises a motor (2), the fixed end of the motor (2) is fixedly connected to the box (1), the output shaft of the motor (2) is connected to a stirring shaft (5), and the stirring shaft (5) is drivingly connected to a stirring blade, and the stirring blade is used to stir water and fertilizer.

4. The wheat water-fertilizer integrated sprinkler irrigation system according to claim 3 is characterized in that: The air replenishment system comprises an air pump, which is arranged in the pump air cavity, the air inlet end of the air pump is connected to the atmosphere, and the air outlet end of the air pump is connected to the air inlet end of the air replenishment branch pipe (26).

5. The wheat water-fertilizer integrated sprinkler irrigation system according to claim 4, characterized in that: The input shaft of the air pump is axially connected to the stirring shaft (5).

6. The wheat water-fertilizer integrated sprinkler irrigation system according to claim 2, characterized in that: The pump liquid assembly comprises a water pump (15), the liquid inlet end of the water pump (15) is connected to the liquid outlet end of the water outlet pipe (14), the liquid inlet end of the water outlet pipe (14) passes through the bottom of the frustum-shaped bottom plate (13) and is connected to the mixing chamber, the liquid outlet end of the water pump (15) is connected to the liquid inlet end of the drip irrigation main pipe (16), and each liquid outlet end of the drip irrigation main pipe (16) corresponds to and is connected to each liquid inlet end of each drip irrigation branch pipe (17).

7. The wheat water-fertilizer integrated sprinkler irrigation system according to claim 2, characterized in that: A liquid level sensor (4) for detecting the height of the liquid level is fixedly connected to the inner wall of the box body (1).

8. The wheat water-fertilizer integrated sprinkler irrigation system according to claim 4, characterized in that: The air outlet end of the air pump is connected to the air inlet end of the exhaust pipe (19), and the air outlet end of the exhaust pipe (19) is connected to the air inlet end of the air supply main pipe (20). Each air outlet end of the air supply main pipe (20) corresponds to and is connected to each air inlet end of the air supply branch pipe (26).

9. The wheat water-fertilizer integrated sprinkler irrigation system according to claim 1, characterized in that: The exhaust portion comprises an exhaust valve (18), and the exhaust valve (18) is in communication with the end of the drip irrigation branch pipe (17).

10. The wheat water-fertilizer integrated sprinkler irrigation system according to claim 3, characterized in that: The motor (2) is electrically connected to a photovoltaic power supply device.

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