Intelligent agricultural fertilization and irrigation integrated equipment for agricultural economy

Abstract

The utility model relates to the technical field of agricultural economy, and discloses intelligent agricultural fertilization and irrigation integrated equipment for agricultural economy. The intelligent agricultural fertilization and irrigation integrated equipment comprises a fertilizer accommodating device, a mixing and stirring device and a water pumping pipeline, the fertilizer accommodating device is provided with a fertilizer discharge hole; the mixing and stirring device is provided with a fertilizer feeding hole and a water adding hole, and the fertilizer feeding hole is communicated with the fertilizer discharging hole; the mixing and stirring device is provided with a water material outlet; the first end of the water pumping pipeline is used for being communicated with a water source, a Venturi tube is arranged at the first end, and the water material discharging port is communicated with a low-pressure part of the Venturi tube; a static pressure separation container is arranged at the second end of the water pumping pipeline; the upper part of the static-pressure separation container is provided with an irrigation water outlet, and the lower part of the static-pressure separation container is provided with a reflux inlet which is communicated with the water adding port. By adopting the intelligent agricultural fertilization and irrigation integrated equipment, the integration of irrigation and fertilization can be realized for solid granular fertilizers, the manpower is saved, and the development of agricultural economy is promoted.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural economy, and particularly relates to an intelligent agricultural fertilization and irrigation integrated device for agricultural economy. Background Art

[0002] Crop planting is a very important part of agricultural economy. The growth of crops is inseparable from fertilizers. In traditional planting, people usually scatter fertilizers beside the crops first, and then irrigate, so that the fertilizers penetrate into the ground with water to reduce fertilizer volatilization and improve the utilization efficiency of fertilizers. However, this traditional method of fertilizing first and then irrigating is relatively labor-consuming, which requires a large amount of labor input and is not conducive to the high-speed development of agricultural economy. In this regard, it is possible to integrate the fertilization process and the irrigation process to promote the high-speed development of agricultural economy by saving labor.

[0003] In some existing technologies, water and fertilizer can be placed in a fertilizer tank, and the water and fertilizer are integrated into the irrigation water during irrigation. In this way, the fertilization process and the irrigation process can be carried out simultaneously, reducing the consumption of labor.

[0004] Solid granular fertilizers are easy to transport and store, while the transportation and storage conditions of water and fertilizer have relatively high requirements. These characteristics of solid granular fertilizers and water and fertilizer lead family farms to prefer solid granular fertilizers; moreover, when solid granular fertilizers are applied to irrigation integrated devices suitable for water and fertilizer, the solid particles are not easily fully dissolved in water, and these undissolved solid particles are also likely to block the irrigation pipeline. Therefore, the existing technologies for realizing the integration of irrigation and fertilization for water and fertilizer are more suitable for large-scale planting scenarios and less suitable for family-style planting scenarios. Family farms account for a large proportion in agricultural economy. For example, statistics from the Ministry of Agriculture show that among all family farms in the country, family farms engaged in planting, breeding and combined planting and breeding account for 98.2% of the total, and among them, family farms engaged in the production of field crops such as grain account for 40% of the total number of farms. Therefore, the technologies for realizing the integration of irrigation and fertilization for water and fertilizer have certain limitations in promoting the development of agricultural economy. To better promote the development of agricultural economy, there is an urgent need for a technology for realizing the integration of irrigation and fertilization for solid granular fertilizers. Summary of the Utility Model

[0005] To provide a basic understanding of some aspects of the disclosed embodiments, a simple summary is given below. This summary part is not a general review, nor is it intended to identify key / important elements or delineate the protection scope of these embodiments. Its sole purpose is to present some concepts in a simple form as a preamble to the subsequent detailed description.

[0006] The embodiment of the present application provides an intelligent agricultural fertilization and irrigation integrated device for agricultural economy, which can make solid granular fertilizers dissolve in water more fully and is not easily blocked by irrigation pipelines. Furthermore, the fertilization process of solid granular fertilizers is integrated with the irrigation process to adapt to the scenarios of home planting or small-scale planting, and promotes the development of agricultural economy from the perspective of family farms.

[0007] In some embodiments, the intelligent agricultural fertilization and irrigation integrated device for agricultural economy includes a fertilizer storage device, a mixing and stirring device, and a pump water pipeline.

[0008] Among them, the fertilizer storage device is used to store fertilizers, and the fertilizer storage device is provided with a fertilizer discharge port; the mixing and stirring device is provided with a fertilizer inlet and a water addition port, the fertilizer inlet is communicated with the fertilizer discharge port, and the fertilizer can fall from the fertilizer discharge port to the fertilizer inlet; the mixing and stirring device is provided with a water and fertilizer discharge port; the first end of the pump water pipeline is used to communicate with a water source, and a Venturi tube is arranged at the first end, and the water and fertilizer discharge port is communicated with the low-pressure part of the Venturi tube; the second end of the pump water pipeline is provided with a static pressure separation container; an irrigation water outlet is arranged at the upper part of the static pressure separation container, and a return port is arranged at the lower part of the static pressure separation container, and the return port is communicated with the water addition port.

[0009] By using the intelligent agricultural fertilization and irrigation integrated device for agricultural economy provided by the embodiment of the present application, the following technical effects can be achieved:

[0010] After the fertilizer enters the mixing and stirring device from the fertilizer storage device, the mixing and stirring device can initially stir the fertilizer and water. After the mixing and stirring device initially stirs the fertilizer and water, the fertilizer is initially dissolved in water at this time, and there are still some fertilizers that are not dissolved in water. At this time, the water and fertilizer mixture flowing out of the water and fertilizer discharge port still contains fertilizer particles.

[0011] When the pump water pipeline is filled with water, the water pressure at the water and fertilizer discharge port is higher than the water pressure at the low-pressure part of the Venturi tube, and the water and fertilizer mixture containing fertilizer particles will flow to the Venturi tube and then flow to the static pressure separation container. During the process of the water and fertilizer mixture flowing from the Venturi tube to the static pressure separation container, the fertilizer particles will continue to dissolve in the water with a low fertilizer concentration. When the water and fertilizer mixture flows to the static pressure separation container, there are still some fertilizer particles that are difficult to completely dissolve.

[0012] These incompletely dissolved fertilizer particles will be deposited at the bottom of the static pressure separation container. There is a return port at the bottom of the static pressure separation container, and in addition, the static pressure of the water in the static pressure separation container is greater than the dynamic pressure in the pipeline, which makes it relatively easy for the fertilizer particles deposited at the bottom of the static pressure separation container to enter the return port and then enter the mixing and stirring device again. The mixing and stirring device stirs these undissolved fertilizer particles again to accelerate dissolution.

[0013] During the above entire process, the fertilizer particles continuously undergo the processes of physical agitation and natural dissolution of the low-concentration (fertilizer) solution. The rate at which the fertilizer particles dissolve in water is relatively high and can match the irrigation rate. The provided static pressure separation container can precipitate the fertilizer particles, reducing or even avoiding the entry of fertilizer particles into the irrigation outlet. Additionally, the provided static pressure separation container can also increase the static pressure of the water, facilitating the relatively smooth flow of these deposited fertilizer particles into the mixing and agitation device through the return port. Thirdly, the static pressure separation container can also maintain a relatively stable water pressure at the irrigation outlet, facilitating smooth irrigation.

[0014] The technical solution provided by the embodiments of the present application is suitable for scenarios of home gardening or small-scale farming, and can promote the development of the agricultural economy from the perspective of family farms. Family farms account for a large proportion in the agricultural economy. Compared with existing equipment for integrating irrigation and fertilization for water and fertilizer, this equipment that can integrate irrigation and fertilization for solid granular fertilizers will be more likely to promote the development of the agricultural economy.

[0015] Optionally, the low-pressure part of the Venturi tube is the middle constriction part of the Venturi tube, and the diameter of the middle constriction part is [50%, 70%] of the inlet diameter of the Venturi tube. This is to facilitate obtaining a lower water pressure at the middle constriction part of the Venturi tube, enabling the water-fertilizer mixture flowing out of the water-fertilizer outlet to flow more smoothly towards the low-pressure part of the Venturi tube and merge with the clear water without fertilizer.

[0016] Optionally, the water-fertilizer outlet is connected to the low-pressure part of the Venturi tube through a first return branch; at the connection between the first return branch and the Venturi tube, the included angle between the water inlet direction of the return branch pipeline and the water inlet direction of the Venturi tube is less than or equal to 90°. This enables the water-fertilizer mixture flowing out of the water-fertilizer outlet to flow more smoothly towards the low-pressure part of the Venturi tube and merge with the clear water without fertilizer.

[0017] Optionally, in the working state of the intelligent agricultural fertilization and irrigation integrated equipment, the height of the water level in the mixing and agitation device relative to the ground is higher than the height of the low-pressure part of the Venturi tube relative to the ground. This enables the water-fertilizer mixture flowing out of the water-fertilizer outlet to flow more smoothly towards the low-pressure part of the Venturi tube and merge with the clear water without fertilizer.

[0018] Optionally, a flow regulating valve is provided at the irrigation outlet. On the one hand, it regulates the water flow, and on the other hand, it can also regulate the water level and water pressure in the static pressure separation container, thereby regulating the water pressure at the return port of the static pressure separation container, and ultimately realizing the regulation of the water level in the mixing and agitation device.

[0019] Optionally, the volume of the static pressure separation container is greater than or equal to 10 times the standard water flow rate or the maximum water flow rate of the pump water pipeline, so as to fully improve the static pressure of the water in the static pressure separation container.

[0020] Optionally, the mixing and stirring device includes a fertilizer crushing container and a water and material mixing container; the fertilizer inlet is arranged at the upper part of the fertilizer crushing container; the water inlet and the water and material outlet are arranged at the water and material mixing container; the bottom of the fertilizer crushing container is communicated with the water and material mixing container through a screw feeding mechanism, and the screw feeding mechanism can convey the crushed material from the fertilizer crushing container to the water and material mixing container.

[0021] Optionally, crushing blades are arranged inside the fertilizer crushing container; and / or, a stirring mechanism is arranged inside the water and material mixing container.

[0022] Optionally, the fertilizer inlet is flexibly connected to the fertilizer outlet; the weight of the crushing blade is asymmetric with respect to the rotation axis of the crushing blade. When the crushing blade rotates, it can drive the fertilizer crushing container to vibrate, and the outer wall of the fertilizer crushing container is rigidly connected to the outer wall of the fertilizer containing device. The rotation of the crushing blade in the fertilizer crushing container can provide vibration for the fertilizer containing device, enabling the fertilizer to enter the mixing and stirring device from the fertilizer containing device more smoothly.

[0023] Optionally, the fertilizer inlet is flexibly connected to the fertilizer outlet; the weight of the stirring mechanism is asymmetric with respect to the rotation axis of the stirring mechanism. When the stirring mechanism works, it can drive the water and material mixing container to vibrate, and the outer wall of the water and material mixing container is rigidly connected to the outer wall of the fertilizer containing device. The rotation of the stirring mechanism in the water and material mixing container can provide vibration for the fertilizer containing device, enabling the fertilizer to enter the mixing and stirring device from the fertilizer containing device more smoothly.

[0024] Optionally, the fertilizer outlet is arranged at the lower part of the fertilizer containing device.

[0025] Optionally, the fertilizer inlet is arranged at the upper part of the mixing and stirring device.

[0026] Optionally, the water inlet is arranged at the upper part of the mixing and stirring device.

[0027] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present invention. Description of the Drawings

[0028] The drawings here are incorporated into the specification and constitute a part of this specification, showing the embodiments conforming to the present invention, and are used together with the specification to explain the principles of the present invention.

[0029] Figure 1 It is a schematic structural diagram of an intelligent agricultural fertilization and irrigation integrated device for agricultural economy provided by an embodiment of the present application;

[0030] Figure 2 It is a partially enlarged schematic diagram of a Venturi tube and its associated structure provided by an embodiment of the present application.

[0031] Explanation of the attached drawing reference numerals:

[0032] 100. Fertilizer storage device; 101. Fertilizer discharge port; 200. Mixing and stirring device; 210. Fertilizer crushing container; 211. Fertilizer inlet; 220. Water and material mixing container; 221. Water filling port; 222. Water and material discharge port; 230. Screw feeding mechanism; 300. Pump water pipeline; 310. Venturi tube; 311. Inlet contraction part; 312. Middle contraction part; 313. Outlet expansion part; 320. Static pressure separation container; 321. Return port; 322. Irrigation outlet. Detailed implementation manners

[0033] The following description and drawings fully illustrate the specific implementation manners of the present utility model, enabling those skilled in the art to practice them. The embodiments only represent possible variations. Unless explicitly required, the individual components and functions are optional, and the order of operations can vary. Parts and features of some embodiments can be included in or replaced by parts and features of other embodiments. The scope of the embodiments of the present utility model includes the entire scope of the claims and all available equivalents of the claims. In this document, the embodiments can be individually or collectively referred to by the term "utility model" for convenience only, and if in fact more than one utility model is disclosed, it is not intended to automatically limit the scope of the application to any single utility model or utility model concept. In this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method or device comprising a series of elements not only includes those elements, but also includes other elements not explicitly listed. The embodiments in this document are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts among the embodiments can be referred to each other.

[0034] Figure 1 It is a schematic structural diagram of an intelligent agricultural fertilization and irrigation integrated device for agricultural economy provided by an embodiment of the present application.

[0035] Combined with Figure 1As shown in the figure, the intelligent agricultural fertilization and irrigation integrated equipment for agricultural economy includes a fertilizer storage device 100, a mixing and stirring device 200, and a pump water pipeline 300.

[0036] Among them, the fertilizer storage device 100 is used to store fertilizers. The fertilizer storage device 100 is provided with a fertilizer discharge port 101; the mixing and stirring device 200 is provided with a fertilizer inlet 211 and a water inlet 221. The fertilizer inlet 211 is communicated with the fertilizer discharge port 101, and the fertilizer can fall from the fertilizer discharge port 101 to the fertilizer inlet 211; the mixing and stirring device 200 is provided with a water and material discharge port 222; the first end of the pump water pipeline 300 is used to communicate with a water source, and a Venturi tube 310 is arranged at the first end. The water and material discharge port 222 is communicated with the low-pressure part of the Venturi tube 310; the second end of the pump water pipeline 300 is provided with a static pressure separation container 320; an irrigation water outlet 322 is arranged at the upper part of the static pressure separation container 320, and a return port 321 is arranged at the lower part of the static pressure separation container 320. The return port 321 is communicated with the water inlet 221.

[0037] The fertilizer in the embodiments of the present application refers to fertilizers that can be dissolved in water.

[0038] In the embodiments of the present application, the cross-section of the fertilizer storage device 100 in the horizontal direction is composed of a smooth curve to reduce the adhesion effect of the fertilizer on the inner wall of the fertilizer storage device 100, that is, to reduce fertilizer wall sticking. Usually, the cross-section of the fertilizer storage device 100 in the horizontal direction can be circular or elliptical. The fertilizer storage device 100 can be integrally in a barrel shape, or in an inverted cone shape, or the fertilizer storage device 100 is an integrated structure of a barrel shape and an inverted cone shape.

[0039] The fertilizer discharge port 101 of the fertilizer storage device 100 can be arranged at the lower part of the fertilizer storage device 100. In this way, the fertilizer can slide down from the fertilizer discharge port 101 under the action of gravity. In this case, the mixing and stirring device 200 can be arranged below the fertilizer discharge port 101, and the fertilizer inlet 211 is arranged at the upper part of the mixing and stirring device 200, so that the fertilizer sliding down from the fertilizer discharge port 101 can fall into the mixing and stirring device 200 under the action of gravity.

[0040] Of course, when the fertilizer discharge port 101 of the fertilizer storage device 100 is arranged at the lower part of the fertilizer storage device 100, the height of the mixing and stirring device 200 can also be adaptively set according to the arrangement of each device. At the same time, the fertilizer inlet 211 of the mixing and stirring device 200 can also be adaptively set according to the arrangement of each device. If the height of the fertilizer inlet 211 of the mixing and stirring device 200 relative to the ground is higher than the fertilizer discharge port 101 of the fertilizer storage device 100, the fertilizer can be transported from the fertilizer discharge port 101 to the fertilizer inlet 211 through a conveying device. The conveying device can be a belt conveying device or a screw feeding mechanism 230.

[0041] Generally, a fertilizer filling port is arranged at the upper part of the fertilizer storage device 100 to facilitate the user to add fertilizer into the fertilizer storage device 100.

[0042] The mixing and stirring device 200 in the embodiment of the present application is used to fully stir water and fertilizer, and those skilled in the art can set the specific structure of the mixing and stirring device 200 according to experience.

[0043] The pump water pipeline 300 in the embodiment of the present application can be supplied with water by a water pump or by domestic tap water.

[0044] Combined with Figure 2 As shown, the "low-pressure part" in the embodiment of the present application refers to the part of the venturi tube 310 where the water pressure is relatively low after water passes through the venturi tube 310 ( Figure 2 The arrow in the pump water pipeline 300 indicates the water flow direction). Specifically, the venturi tube 310 includes an inlet contraction part 311, a middle contraction part 312, and an outlet expansion part 313. When water passes through the venturi tube 310, the water pressure in the middle contraction part 312 is lower than the water pressure in the inlet contraction part 311 and lower than the water pressure in the outlet expansion part 313. That is, the low-pressure part of the venturi tube 310 is the middle contraction part 312 of the venturi tube 310.

[0045] The connection between the two water ports in the embodiment of the present application means that they are connected through a water pipe so that water can flow between the two water ports. For example, the first end is used to connect to a water source, the water and fertilizer discharge port 222 is connected to the low-pressure part of the venturi tube 310, and the return port 321 is connected to the water filling port 221. The connection method of the water pipe to the specific water port includes but is not limited to threaded connection, flange connection, clamp connection, and expansion joint connection. Those skilled in the art can select a specific connection method that suits the actual situation according to their own experience.

[0046] By using the intelligent agricultural fertilization and irrigation integrated equipment for agricultural economy provided by the embodiment of the present application, the following technical effects can be achieved:

[0047] After the fertilizer enters the mixing and stirring device 200 from the fertilizer containing device 100, the mixing and stirring device 200 can initially stir the fertilizer and water. After the mixing and stirring device 200 initially stirs the fertilizer and water, the fertilizer is initially dissolved in the water at this time, and there are still some fertilizers that are not dissolved in the water. At this time, the fertilizer particles are still contained in the water-fertilizer mixture flowing out of the water and material discharge port 222.

[0048] After the pump water pipeline 300 is filled with water, the water pressure at the water and material discharge port 222 is higher than the water pressure at the low-pressure part of the Venturi tube 310. The water-fertilizer mixture containing fertilizer particles will flow to the Venturi tube 310 and then flow to the static pressure separation container 320. During the process of the water-fertilizer mixture flowing from the Venturi tube 310 to the static pressure separation container 320, the fertilizer particles will continue to dissolve in the water with a low fertilizer concentration. When the water-fertilizer mixture flows to the static pressure separation container 320, there are still some fertilizer particles that are difficult to completely dissolve.

[0049] These incompletely dissolved fertilizer particles will settle at the bottom of the static pressure separation container 320. A return port 321 is provided at the bottom of the static pressure separation container 320. Coupled with the fact that the static pressure of the water in the static pressure separation container 320 is greater than the dynamic pressure in the pipeline, this makes it relatively easy for the fertilizer particles deposited at the bottom of the static pressure separation container 320 to enter the return port 321 and then enter the mixing and stirring device 200 again. The mixing and stirring device 200 stirs these undissolved fertilizer particles again to accelerate dissolution.

[0050] During the above entire process, the fertilizer particles continuously undergo the processes of physical stirring and natural dissolution in a low-concentration (fertilizer) solution. The rate at which the fertilizer particles dissolve in water is relatively high and can match the irrigation speed. The provided static pressure separation container 320 can precipitate fertilizer particles, reducing or even avoiding the entry of fertilizer particles into the irrigation outlet 322. Additionally, the provided static pressure separation container 320 can also increase the static pressure of the water, facilitating the relatively smooth flow of these deposited fertilizer particles through the return port 321 into the mixing and stirring device 200. Thirdly, the static pressure separation container 320 can also maintain a relatively stable water pressure at the irrigation outlet 322 for smooth irrigation.

[0051] The technical solution provided in the embodiments of the present application is suitable for the scenarios of home planting or small-scale planting, and can promote the development of the agricultural economy from the perspective of family farms. Family farms account for a large proportion in the agricultural economy. Compared with the existing equipment for integrating irrigation and fertilization for water and fertilizer, this equipment that can integrate irrigation and fertilization for solid granular fertilizers will be more likely to promote the development of the agricultural economy.

[0052] The following gives an exemplary description of the Venturi tube 310 and its related structures.

[0053] Combined again with Figure 2, the diameter of the middle constriction 312 of the Venturi tube 310 is [50%, 70%] of the inlet diameter of the Venturi tube 310. For example, the diameter of the middle constriction 312 is 50%, 55%, 60%, 65% or 70% of the inlet diameter of the Venturi tube 310.

[0054] Among them, the inlet diameter of the Venturi tube 310 refers to the starting cross-section of the inlet constriction section of the Venturi tube 310.

[0055] Under normal circumstances, the termination cross-section of the outlet expansion section 313 of the Venturi tube 310 is the same as the starting cross-section of the inlet constriction section, that is, the inlet diameter of the Venturi tube 310 is usually the same as its outlet diameter, so as to facilitate connecting the Venturi tube 310 with water pipes of the same specification. Of course, in the case of special requirements, the termination cross-section of the outlet expansion section 313 of the Venturi tube 310 can be made different from the starting cross-section of the inlet constriction section, that is, the inlet diameter of the Venturi tube 310 is different from its outlet diameter. For example, the inlet diameter of the Venturi tube 310 can be greater than its outlet diameter, or the inlet diameter of the Venturi tube 310 can be less than its outlet diameter. Those skilled in the art can set it according to the specific actual situation.

[0056] Using the Venturi tube 310 with the above parameters is beneficial to obtaining a lower water pressure in the middle constriction 312 of the Venturi tube 310. Under the action of the water pressure, the water-fertilizer mixture flowing out of the water and material outlet 222 can flow more smoothly to the low-pressure part of the Venturi tube 310 and converge with the clear water without fertilizer, and then further dissolve the fertilizer particles through the clear water (or low-concentration fertilizer solution).

[0057] Of course, when the water-fertilizer mixture flows into the Venturi tube 310, not only the clear water (or low-concentration fertilizer solution) can promote the dissolution of the fertilizer, but also the high-speed impact of the water flow can promote the dissolution of the fertilizer.

[0058] The connection method between the Venturi tube 310 and the water and material outlet 222 will be further described by way of example below.

[0059] Optionally, the water and material outlet 222 is connected to the low-pressure part of the Venturi tube 310 through a first return branch; at the connection between the first return branch and the Venturi tube 310, the included angle between the water inlet direction of the return branch pipeline and the water inlet direction of the Venturi tube 310 is less than or equal to 90°.

[0060] In this way, the momentum direction of the fluid in the first return branch is not opposite to the momentum direction of the fluid in the Venturi tube 310, which can reduce the resistance of the fluid in the first return branch from entering the Venturi tube 310, that is, make the water-fertilizer mixture flowing out of the water and material outlet 222 flow more smoothly to the low-pressure part of the Venturi tube 310 and converge with the clear water without fertilizer.

[0061] To facilitate the more smooth flow of the water-fertilizer mixture flowing out of the water-fertilizer outlet 222 towards the low-pressure part of the Venturi tube 310, the following technical solutions can also be adopted: When the intelligent agricultural fertilization and irrigation integrated equipment is in operation, the height of the water level in the mixing and stirring device 200 relative to the ground is higher than the height of the low-pressure part of the Venturi tube 310 relative to the ground. In this way, the water pressure formed by the water level difference is used to make the water-fertilizer mixture flowing out of the water-fertilizer outlet 222 flow more smoothly towards the low-pressure part of the Venturi tube 310 and converge with the clear water without fertilizer.

[0062] Furthermore, a flow regulating valve is provided at the irrigation outlet 322.

[0063] The flow regulating valve can be a manually adjustable flow regulating valve, or a pneumatic flow regulating valve, or an electric flow regulating valve.

[0064] The flow regulating valve has two or more different opening degrees. In this way, when the water level in the static pressure separation container 320 is relatively low, the opening degree of the flow regulating valve can be reduced. In this case, the speed of the liquid flowing into the static pressure separation container 320 will be greater than the speed of the fluid flowing out, and the water level in the static pressure separation container 320 will rise. As a result, the water pressure at the return port 321 provided at the bottom of the static pressure separation container 320 will rise, causing the mixture of fertilizer particles and water deposited at the bottom of the static pressure separation container 320 to flow into the mixing and stirring device 200 at a faster speed, increasing the water level in the mixing and stirring device 200, and thus making it easier for the water-fertilizer mixture to flow into the Venturi tube 310.

[0065] When the water level in the static pressure separation container 320 is relatively high, the opening degree of the flow regulating valve can be increased to maintain the water level in the static pressure separation container 320 so that the water level in the static pressure separation container 320 will not be too high.

[0066] In addition, by maintaining the water level in the static pressure separation container 320 in this way, the pressure at the irrigation outlet 322 of the static pressure separation device can also be made relatively stable.

[0067] The above-mentioned low water level and high water level are judged based on whether the static pressure effect of the static pressure separation container 320 meets the designed static pressure effect, or is comprehensively judged based on whether the static pressure effect of the static pressure separation container 320 meets the designed static pressure effect and whether the flow rate of the water-fertilizer mixture flowing from the mixing and stirring device 200 into the Venturi tube 310 meets the designed flow rate.

[0068] Specifically, if the static pressure effect of the static pressure separation container 320 is lower than the lower limit of the designed static pressure effect, it is determined that the water level in the static pressure separation container 320 is too low; if the static pressure effect of the static pressure separation container 320 is higher than the upper limit of the designed static pressure effect, it is determined that the water level in the static pressure separation container 320 is too high.

[0069] If the static pressure effect of the static pressure separation container 320 is lower than the lower limit of the designed static pressure effect, and / or the flow rate of the water-fertilizer mixture flowing into the Venturi tube 310 from the mixing and stirring device 200 is lower than the lower limit of the designed flow rate, it is determined that the water level in the static pressure separation container 320 is too low; if the static pressure effect of the static pressure separation container 320 is higher than the upper limit of the designed static pressure effect, and / or the flow rate of the water-fertilizer mixture flowing into the Venturi tube 310 from the mixing and stirring device 200 is higher than the upper limit of the designed flow rate, it is determined that the water level in the static pressure separation container 320 is too high.

[0070] In addition to the Venturi tube 310, the static pressure separation container 320 also plays a quite important role in the embodiments of the present application. The static pressure separation container 320 will be further described exemplarily below.

[0071] Optionally, the volume of the static pressure separation container 320 is greater than or equal to 10 times the standard water flow rate or the maximum water flow rate of the pump water pipeline 300. In this way, the static pressure of the water in the static pressure separation container 320 can be fully increased.

[0072] The static pressure separation container 320 in the present application can be a cylinder, a sphere, an inverted cone, or a combination of a cylinder and an inverted cone.

[0073] Combined again Figure 1 As shown, the mixing and stirring device 200 may include a fertilizer crushing container 210 and a water and material mixing container 220; a fertilizer inlet 211 is arranged at the upper part of the fertilizer crushing container 210; a water inlet 221 and the water and material outlet 222 are arranged at the water and material mixing container 220; the bottom of the fertilizer crushing container 210 is communicated with the water and material mixing container 220 through a screw feeding mechanism 230, and the screw feeding mechanism 230 can convey the crushed material from the fertilizer crushing container 210 to the water and material mixing container 220.

[0074] The above-mentioned water inlet 221 can be arranged at the upper part of the water and material mixing container 220. In this way, when the water-fertilizer mixture containing fertilizer particles flows from the return port 321 of the static pressure separation container 320 to the water inlet 221, the fertilizer particles and water can be fully mixed by the water and material mixing container 220.

[0075] The above-mentioned water and material outlet 222 can be arranged at the upper part of the water and material mixing container 220. In this way, the water-fertilizer mixture flowing out from the water and material outlet 222 contains fewer fertilizer particles, and the fertilizer particles in the lower part of the water and material mixing container 220 can be continuously stirred and then dissolved in water. Or, the above-mentioned water and material outlet 222 can be arranged at the lower part of the water and material mixing container 220. In this way, it is not easy for fertilizers to accumulate in the lower part of the water and material mixing container 220, reducing or avoiding the deposition of fertilizers at the bottom of the water and material mixing container 220. Of course, the above-mentioned water and material outlet 222 can also be arranged in the middle of the water and material mixing container 220.

[0076] The feed inlet of the screw feeding mechanism 230 is sealingly connected to the fertilizer crushing container 210, and the discharge outlet of the screw feeding mechanism 230 is sealingly connected to the water and material mixing container 220. The crushed material is input through the feed inlet of the screw feeding mechanism 230 and output through the discharge outlet of the screw feeding mechanism 230 after being pushed by the screw. The whole process is carried out in a sealed trough or pipe body.

[0077] During the continuous transportation of the crushed material by the screw feeding mechanism 230, the fertilizer crushing container 210 and the water and material mixing container 220 can keep the dry material and the water material in a relatively isolated state.

[0078] The water filling port 221 of the water and material mixing container 220 is communicated with the return port 321 of the static pressure separation container 320, and the water and material discharge port 222 of the water and material mixing container 220 is communicated with the low-pressure part of the Venturi tube 310. The branch formed by the static pressure separation container 320, the water and material mixing container 220 and the Venturi tube 310 can maintain a relatively sealed state, so that the fertilizer particles and the water and fertilizer mixture are not easy to leak, and at the same time, the loss of water pressure is avoided, so that the irrigation outlet 322 can maintain a relatively stable water pressure.

[0079] Optionally, a crushing blade is arranged inside the fertilizer crushing container 210. The crushing blade can preliminarily crush the fertilizer particles, and the crushed fertilizer particles are more easily soluble in water.

[0080] Optionally, a stirring mechanism is arranged inside the water and material mixing container 220. The stirring mechanism in the water and material mixing container 220 continuously stirs, which can accelerate the dissolution of the fertilizer particles in water.

[0081] Optionally, a crushing blade is arranged inside the fertilizer crushing container 210, and a stirring mechanism is arranged inside the water and material mixing container 220. The crushing blade can preliminarily crush the fertilizer particles. After the crushed fertilizer particles enter the water and material mixing container 220, the stirring of the stirring mechanism can make the crushed fertilizer particles dissolve in water at a faster speed.

[0082] A vibration device can be arranged on the outer wall of the fertilizer containing device 100. Driven by the vibration device, the fertilizer is more likely to slide to the bottom of the fertilizer containing device 100 and then flow out more smoothly at the fertilizer discharge port 101.

[0083] Alternatively, the fertilizer feed port 211 is flexibly connected to the fertilizer discharge port 101; the weight of the crushing blade is asymmetric with respect to the rotation axis of the crushing blade, and when the crushing blade rotates, it can drive the fertilizer crushing container 210 to vibrate, and the outer wall of the fertilizer crushing container 210 is rigidly connected to the outer wall of the fertilizer containing device 100. The rotation of the crushing blade in the fertilizer crushing container 210 can provide vibration for the fertilizer containing device 100, and driven by the vibration, the fertilizer is more likely to slide to the bottom of the fertilizer containing device 100, and then more smoothly enter the mixing and stirring device 200 from the fertilizer containing device 100.

[0084] Optionally, the fertilizer inlet 211 is flexibly connected to the fertilizer outlet 101; the weight of the stirring mechanism is asymmetric with respect to the rotation axis of the stirring mechanism, and when the stirring mechanism is working, it can drive the water-material mixing container 220 to vibrate, and the outer wall of the water-material mixing container 220 is rigidly connected to the outer wall of the fertilizer containing device 100. The rotation of the stirring mechanism in the water-material mixing container 220 can provide vibration for the fertilizer containing device 100, and driven by the vibration, the fertilizer is more likely to slide to the bottom of the fertilizer containing device 100, and then more smoothly enter the mixing and stirring device 200 from the fertilizer containing device 100.

[0085] The above-mentioned flexible connection between the fertilizer inlet 211 and the fertilizer outlet 101 means that after the two are connected, the fertilizer inlet 211 and the fertilizer outlet 101 are allowed to shake relative to each other. Exemplarily, the fertilizer inlet 211 and the fertilizer outlet 101 are connected by a bellows, or the fertilizer inlet 211 and the fertilizer outlet 101 are connected by a hose, or the fertilizer inlet 211 and the fertilizer outlet 101 are connected by a canvas air duct.

[0086] In the above embodiment, taking the mixing and stirring device 200 including the fertilizer crushing container 210 and the water material mixing container 220 as an example, the water adding port 221 and the water material discharge port 222 of the mixing and stirring device 200 are exemplarily described.

[0087] When the mixing and stirring device 200 is a single container, a water adding port 221 may be provided at the upper portion of the mixing and stirring device 200 , and a water material discharge port 222 may be provided at the upper portion, middle portion or lower portion of the mixing and stirring device 200 .

[0088] It should be understood that the present invention is not limited to the processes and structures described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. An intelligent agricultural fertilization and irrigation integrated equipment for agricultural economy, characterized in that: include: A fertilizer containing device (100), wherein the fertilizer containing device (100) is provided with a fertilizer discharge port (101); A mixing and stirring device (200), wherein the mixing and stirring device (200) is provided with a fertilizer feed port (211) and a water supply port (221), wherein the fertilizer feed port (211) is in communication with the fertilizer discharge port (101), and the fertilizer can enter the fertilizer feed port (211) from the fertilizer discharge port (101); and the mixing and stirring device (200) is provided with a water discharge port (222); A water pump pipeline (300), wherein the first end of the water pump pipeline (300) is used to be connected to a water source, the first end is provided with a venturi tube (310), and the water material discharge port (222) is connected to the low-pressure part of the venturi tube (310); the second end of the water pump pipeline (300) is provided with a static pressure separation container (320); an irrigation outlet (322) is provided at the upper part of the static pressure separation container (320), and a reflux port (321) is provided at the lower part of the static pressure separation container (320), and the reflux port (321) is connected to the water adding port (221).

2. The intelligent agricultural fertilization and irrigation integrated equipment according to claim 1 is characterized in that: The low-pressure portion of the Venturi tube (310) is the middle contraction portion (312) of the Venturi tube (310), and the diameter of the middle contraction portion (312) is [50%, 70%] of the inlet diameter of the Venturi tube (310).

3. The intelligent agricultural fertilization and irrigation integrated equipment according to claim 1 is characterized in that: The water material outlet (222) is connected to the low-pressure portion of the venturi tube (310) through a first reflux branch; At the connection between the first return branch and the Venturi tube (310), the angle between the water inlet direction of the return branch pipeline and the water inlet direction of the Venturi tube (310) is less than or equal to 90°.

4. The intelligent agricultural fertilization and irrigation integrated equipment according to claim 1, characterized in that: When the intelligent agricultural integrated fertilization and irrigation equipment is in operation, the height of the water level in the mixing and stirring device (200) relative to the ground is higher than the height of the low-pressure portion of the venturi tube (310) relative to the ground.

5. The intelligent agricultural fertilization and irrigation integrated equipment according to claim 4 is characterized in that: A flow regulating valve is provided at the irrigation water outlet (322).

6. The intelligent agricultural fertilization and irrigation integrated equipment according to claim 1, characterized in that: The volume of the static pressure separation container (320) is greater than or equal to 10 times the standard water flow rate or the maximum water flow rate of the water pump pipeline (300).

7. The intelligent agricultural fertilization and irrigation integrated equipment according to any one of claims 1 to 6, characterized in that: The mixing and stirring device (200) comprises: A fertilizer crushing container (210), wherein the fertilizer feed port (211) is arranged at an upper portion of the fertilizer crushing container (210); A water-material mixing container (220), wherein the water adding port (221) and the water-material discharging port (222) are arranged in the water-material mixing container (220); The bottom of the fertilizer crushing container (210) is connected to the water-material mixing container (220) via a screw feeding mechanism (230), and the screw feeding mechanism (230) can transport crushed materials from the fertilizer crushing container (210) to the water-material mixing container (220).

8. The intelligent agricultural fertilization and irrigation integrated equipment according to claim 7, characterized in that: A crushing blade is arranged inside the fertilizer crushing container (210); and / or, A stirring mechanism is arranged in the water-material mixing container (220).

9. The intelligent agricultural fertilization and irrigation integrated equipment according to claim 8, characterized in that: The fertilizer inlet (211) is flexibly connected to the fertilizer outlet (101); The weight of the crushing blade is asymmetric with respect to the rotation axis of the crushing blade. When the crushing blade rotates, it can drive the fertilizer crushing container (210) to vibrate, and the outer wall of the fertilizer crushing container (210) is rigidly connected to the outer wall of the fertilizer containing device (100); or, the weight of the stirring mechanism is asymmetric with respect to the rotation axis of the stirring mechanism. When the stirring mechanism is working, it can drive the water-material mixing container (220) to vibrate, and the outer wall of the water-material mixing container (220) is rigidly connected to the outer wall of the fertilizer containing device (100).

10. The intelligent agricultural fertilization and irrigation integrated equipment according to any one of claims 1 to 6, characterized in that: The fertilizer discharge port (101) is arranged at the lower part of the fertilizer containing device (100); and / or, The fertilizer feed port (211) is arranged at the upper part of the mixing and stirring device (200); and / or, The water adding port (221) is provided at the upper portion of the mixing and stirring device (200).

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