Installation method of roller type fertilizer mixer in canal system

Abstract

The invention relates to a method for installing a roller type fertilizer mixer in a canal system. The method comprises the following steps: determining the type of a to-be-applied fertilizer and the fertilization concentration according to various nutrient elements required by crop growth; if the canal system is a large-sized canal system or a medium-sized canal system and extremely soluble, soluble and soluble fertilizer is applied, a plurality of roller type fertilizer mixers are obliquely distributed, and the uppermost roller type fertilizer mixer is positioned above the canal system; the other roller type fertilizer mixers are positioned in the canal system; if the ditch system is a large or medium-sized ditch system, and a large amount of extremely soluble, soluble and soluble fertilizer is applied, the plurality of roller type fertilizer mixers are divided into a plurality of groups by taking two roller type fertilizer mixers as one group, and the upper roller type fertilizer mixer is positioned above the ditch system; the lower roller type fertilizer mixer is positioned in a canal system; if the channel system is a medium-sized channel system or a small-sized channel system and the soluble fertilizer is applied, the plurality of roller type fertilizer mixers are sequentially distributed along the water flow direction and are positioned in the channel system. The invention has the beneficial effects that the fertilizer applicator can be applied to fertilization of large, medium and small canal systems, solves the problems of high labor intensity and serious fertilizer waste of field crop fertilization, and can adjust the fertilization concentration.

Description

Technical Field

[0001] This invention relates to the field of integrated water and fertilizer technology in canal systems, specifically to a method for installing a drum-type fertilizer mixer in a canal system. Background Technology

[0002] Currently, integrated water and fertilizer technology is relatively mature. In the cultivation of field crops, especially rice, irrigation mainly relies on canal systems. There are two main fertilization methods: one is to apply it as a base fertilizer all at once, which involves a large amount of fertilizer, resulting in serious waste and even non-point source pollution; the other is to apply it manually in multiple stages (spreading, spraying), which saves fertilizer but requires a large amount of labor, and the uniformity of fertilization depends on the skill level of the operator. Therefore, there is a need for a mixed fertilizer application method that can be combined with canal water conveyance to solve the problems of large fertilizer usage, heavy labor intensity, and uneven fertilization in traditional fertilization methods. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a method for installing a roller-type fertilizer mixer in a canal system, which can evenly apply fertilizer to the field while the canal system is conveying water, thereby saving fertilizer, reducing the labor intensity of fertilization, and improving the uniformity of fertilization, thus overcoming the shortcomings of the prior art.

[0004] The technical solution of the present invention to solve the above-mentioned technical problems is as follows: A method for installing a drum-type fertilizer mixer in a canal system includes the following steps: S10. Determine the type and concentration of fertilizer to be applied based on the various nutrients required for crop growth. S20. Based on the canal system type, the type of fertilizer to be applied, and the fertilizer concentration, determine the number and layout of the drum-type fertilizer mixers, as follows: If it is a large or medium-sized canal system, and the fertilizer is applied at a concentration greater than 1 / 10000 and less than 1 / 100, then it shall be classified as S30. If it is a large or medium-sized canal system, and a large amount of highly soluble, easily soluble, or soluble fertilizers are applied, and the fertilizer concentration is greater than or equal to 1 / 100, then it enters S40; If it is a medium or small-sized canal system and easily soluble or soluble fertilizers are used, then it enters S50; S30. Multiple roller-type fertilizer mixers are inclined and rotatably connected to the supports on the canal bank. Each roller-type fertilizer mixer has multiple guide vanes around its axis. Adjacent roller-type fertilizer mixers are driven and coordinated. The uppermost roller-type fertilizer mixer is located above the canal system and is used to apply highly soluble fertilizers. The other roller-type fertilizer mixers are located inside the canal system and are used to apply easily soluble and soluble fertilizers. S40. Multiple drum-type fertilizer mixers are divided into groups of two, and the multiple groups of drum-type fertilizer mixers are distributed sequentially along the water flow direction and are rotatably connected to the supports on the canal bank. Each drum-type fertilizer mixer has multiple guide vanes around its axis, and the two drum-type fertilizer mixers in the same group are connected by transmission. The upper drum-type fertilizer mixer is located above the canal system and is used to dispense highly soluble fertilizers. The lower drum-type fertilizer mixer is located inside the canal system and is used to dispense easily soluble and soluble fertilizers. S50. Multiple roller-type fertilizer mixers are distributed sequentially in the canal system along the water flow direction and are rotatably connected to the supports on the canal bank. Each roller-type fertilizer mixer has multiple guide vanes around its axis. The multiple roller-type fertilizer mixers are located in the canal system and are used to dispense easily soluble and soluble fertilizers.

[0005] The beneficial effects of this invention are: 1) It can be applied to fertilization of large, medium and small canal systems to realize the integration of water and fertilizer in canal systems and solve the problems of high labor intensity and serious fertilizer waste in fertilization of field crops; 2) Using multiple roller-type fertilizer mixers in combination allows for the simultaneous application of various fertilizers to meet the needs of crop growth. It also allows for increasing the amount of fertilizer applied and appropriately adjusting the fertilizer ratio to meet the various nutrient elements required for crop growth. It can even be used to apply solid fertilizers and liquid fertilizers at the same time, thereby improving fertilization efficiency. 3) The irrigation water power drives the drum-type fertilizer mixer to rotate, fertilizing while rotating to prevent the fertilizer from clumping together. The fertilizer can be combined with irrigation water conveyance in the canal system, saving energy and reducing consumption. The fertilizer dissolves in the irrigation water, making it easy for crops to absorb, improving fertilizer absorption efficiency and avoiding non-point source pollution caused by fertilization.

[0006] Based on the above technical solution, the present invention can be further improved as follows.

[0007] Furthermore, in S30, there are three roller-type fertilizer mixers. The central axes of the three roller-type fertilizer mixers are located on the same inclined plane with an angle of 30° to 60°. The central axis of the uppermost roller-type fertilizer mixer is located above the design water level of the canal system, while the central axes of the other roller-type fertilizer mixers are located below the design water level of the canal system. A transmission hinge that meshes with the guide vanes of the two adjacent roller-type fertilizer mixers is arranged around each other to achieve transmission coordination. The horizontal distance between the outer edges of the two adjacent roller-type fertilizer mixers is equal and ranges from 0.5m to 2m.

[0008] The further beneficial effects of adopting the above are as follows: When there is water flow in the canal system, the water flow will push the guide vanes on the two roller-type fertilizer mixers whose central axes are located below the water surface, thereby causing the roller-type fertilizer mixers to start rotating; at the same time, when the water level in the canal system is constant, the central axes of the three roller-type fertilizer mixers are located on the same inclined plane, which helps to increase the distance between two adjacent roller-type fertilizer mixers and reduce mutual interference in the dissolution process of the added fertilizer; the central axis of the uppermost roller-type fertilizer mixer is located above the design water level of the canal system, which is used to add highly soluble fertilizers to prevent excessive solubility and excessive fertilizer concentration; the central axes of the other roller-type fertilizer mixers are located below the design water level of the canal system, which is used to add easily soluble and soluble fertilizers to increase the types and quantities of fertilizers applied; when a roller-type fertilizer mixer in the canal system starts to rotate, for example, the lowermost roller-type fertilizer mixer... When rotation begins, the bottom roller-type fertilizer mixer, via a transmission hinge, causes the middle roller-type fertilizer mixer to rotate. Similarly, the middle roller-type fertilizer mixer, via a transmission hinge, causes the top roller-type fertilizer mixer to rotate synchronously. This allows the top roller-type fertilizer mixer to complete the fertilizer mixing and application. During the rotation of the roller-type fertilizer mixers within the canal system, the fertilizer can be fully dissolved and mixed in the canal water. The guide vanes on the roller-type fertilizer mixers function to conduct water thrust and also serve as transmission gears for the transmission hinges, reducing the weight of the roller-type fertilizer mixers and increasing the rotation speed. In addition, all roller-type fertilizer mixers are equipped with guide vanes for easy alternation and timely replacement of faulty roller-type fertilizer mixers. Maintaining a horizontal distance of 0.5m to 2m between the outer edges of two adjacent roller-type fertilizer mixers can avoid mutual interference during the fertilizer mixing process and improve fertilizer dissolution efficiency.

[0009] Furthermore, the distance between the central axis of the uppermost roller-type fertilizer mixer and the top of the canal embankment is less than 1.5m, and the distance between the lowest point of the outer edge of the lowermost roller-type fertilizer mixer and the bottom of the canal system is greater than 0.1m.

[0010] The further beneficial effects of adopting the above are as follows: the distance between the central axis of the uppermost roller-type fertilizer mixer and the top of the canal embankment is less than 1.5m. This prevents the fine fertilizer particles from being scattered by the wind due to excessive installation height, and also prevents insufficient transmission power of the drive hinge due to excessive installation height, making it difficult for the roller-type fertilizer mixer to rotate. The distance between the lowest point of the outer edge of the lowermost roller-type fertilizer mixer and the bottom of the canal is greater than 0.1m. This prevents weeds and gravel at the bottom of the canal from damaging the roller-type fertilizer mixer, and also allows the fertilizer released by the roller-type fertilizer mixer to be fully mixed and dissolved with the canal water, resulting in a uniform mixture.

[0011] Furthermore, S40 contains six drum-type fertilizer mixers, which are divided into three groups of two. A transmission hinge, engaging with the guide vanes of the two drum-type fertilizer mixers within the same group, facilitates transmission between the two drum-type fertilizer mixers. The two drum-type fertilizer mixers in each group are distributed vertically, with their central axes on the same vertical plane. The central axis of the upper drum-type fertilizer mixer is above the design water level of the canal system, while the central axis of the lower drum-type fertilizer mixer is below the design water level. The horizontal distance between the outer edges of adjacent groups of drum-type fertilizer mixers is equal, ranging from 1m to 2m. The vertical distance between the outer edges of the upper and lower drum-type fertilizer mixers within the same group is greater than 0.2m.

[0012] The further beneficial effects of adopting the above are as follows: When there is water flow in the canal system, the water flow will push the guide vanes on the lower roller-type fertilizer mixer, causing the lower roller-type fertilizer mixer to start rotating. Then, the lower roller-type fertilizer mixer will cause the upper roller-type fertilizer mixer to rotate synchronously through the transmission hinge, thus enabling the uppermost roller-type fertilizer mixer to complete the fertilizer mixing and application. During the rotation of the roller-type fertilizer mixer in the canal system, the fertilizer can be fully dissolved and mixed in the canal water. The guide vanes on the roller-type fertilizer mixer have the function of transmitting water thrust and also serve as the transmission gears of the transmission hinge, reducing the weight of the roller-type fertilizer mixer and increasing the rotation speed. At the same time, all roller-type fertilizer mixers are equipped with guide vanes, which facilitates alternating use and timely replacement of faulty roller-type fertilizer mixers. The fertilizer mixer is designed with the following components: the central axis of the upper roller-type fertilizer mixer is located above the design water level of the canal system, used to dispense highly soluble fertilizers to prevent excessive solubility and high fertilizer concentration; the central axis of the lower roller-type fertilizer mixer is located below the design water level of the canal system, used to dispense easily soluble and soluble fertilizers to increase the variety and quantity of fertilizers dispensed; the vertical distance between the outer edges of the upper and lower roller-type fertilizer mixers in the same group is greater than 0.2m to ensure that the highly soluble fertilizer dispensed above has sufficient hydraulic space to dissolve and does not affect the dissolution of fertilizer dispensed below; the horizontal distance between the outer edges of adjacent groups of roller-type fertilizer mixers is equal and between 1m and 2m to prevent water waves generated during the rotation of the roller-type fertilizer mixers from affecting each other, resulting in low fertilizer release efficiency and uneven fertilizer mixing.

[0013] Furthermore, in the same group, the distance between the central axis of the upper roller-type fertilizer mixer and the top of the canal embankment is less than 1.0m, and the distance between the lowest point of the outer edge of the lower roller-type fertilizer mixer and the bottom of the canal system is greater than 0.05m.

[0014] The further beneficial effects of adopting the above are as follows: The distance between the upper roller-type fertilizer mixer and the top of the canal embankment in the same group is less than 1.0m. This prevents the fine fertilizer particles from being scattered by the wind due to excessive installation height, and also prevents insufficient transmission power of the drive hinge due to excessive installation height, making it difficult for the roller-type fertilizer mixer to rotate. The distance between the lowest point of the outer edge of the lower roller-type fertilizer mixer and the bottom of the canal is greater than 0.05m. This prevents weeds and gravel at the bottom of the canal from damaging the roller-type fertilizer mixer, and allows the fertilizer released by the roller-type fertilizer mixer to be fully mixed and dissolved with the canal water, resulting in a uniform mixture.

[0015] Furthermore, the S50 contains three drum-type fertilizer mixers, with the central axes of the three drum-type fertilizer mixers located on the same horizontal plane. The central axes of the three drum-type fertilizer mixers are located below the design water level of the canal system, and the horizontal distance between the outer edges of two adjacent drum-type fertilizer mixers is equal and ranges from 0.5m to 1m.

[0016] The further beneficial effects of adopting the above are as follows: The central axes of the three roller-type fertilizer mixers are located on the same horizontal plane, ensuring that the fertilizer in the roller-type fertilizer mixers has as much contact with the canal water as possible, increasing the amount of fertilizer dissolved; when there is water flow in the canal, the water flow will push the guide vanes on the roller-type fertilizer mixers, causing them to start rotating. During the rotation of the roller-type fertilizer mixers in the canal, the fertilizer can be fully dissolved and mixed in the canal water; the guide vanes on the roller-type fertilizer mixers have the function of transmitting water thrust and also serve as transmission gears for the transmission hinge, reducing the weight of the roller-type fertilizer mixers and increasing the rotation speed. Furthermore, all roller-type fertilizer mixers are equipped with guide vanes for easy alternation and timely replacement of faulty roller-type fertilizer mixers; the horizontal distance between the outer edges of two adjacent roller-type fertilizer mixers is equal and ranges from 0.5m to 1m, avoiding mutual interference of water waves generated during rotation.

[0017] Furthermore, the lowest point of the outer edge of each roller-type fertilizer mixer is more than 0.05m away from the bottom of the canal system.

[0018] The further beneficial effects of adopting the above are: on the one hand, preventing weeds and gravel at the bottom of the canal from damaging the roller-type fertilizer mixer; on the other hand, allowing the fertilizer released by the roller-type fertilizer mixer to be fully mixed and dissolved with the canal water, resulting in a uniform mixture.

[0019] Furthermore, the distance between the central axis of each roller-type fertilizer mixer and the field water inlet is 1m to 1000m, and the central axis of the roller-type fertilizer mixer is perpendicular to the center line of the canal system.

[0020] The further beneficial effects of adopting the above are as follows: the distance is determined by the design water level of the canal system. The deeper the design water level, the larger the amount of fertilizer applied and the longer the mixing time. The installation position of the roller-type fertilizer mixer should be extended from the field inlet to prevent uneven fertilizer mixing and direct delivery to the field. The shallower the design water level, the smaller the amount of fertilizer applied. The distance should not be too long to prevent the fertilizer concentration from being too low during transportation and the fertilization efficiency from being low. The central axis of each roller-type fertilizer mixer should be perpendicular to the center line of the canal system to prevent eccentric rotation, which would lead to uneven fertilizer application into the canal system, uneven fertilizer mixing, and easy wear of the roller-type fertilizer mixer.

[0021] Furthermore, each roller-type fertilizer mixer includes: a fertilizer chamber for storing fertilizer, the surface of the fertilizer chamber being evenly distributed with pores for the permeation of solid fertilizer particles and liquid fertilizer, a water chamber at each end of the fertilizer chamber for storing a certain amount of liquid, and multiple guide vanes around the axis of the fertilizer chamber.

[0022] The further beneficial effect of the above is that when a certain amount of liquid is stored in the water chamber according to the amount of fertilizer applied, it plays a role in weighting and fixing the roller-type fertilizer mixer, preventing the roller-type fertilizer mixer from rotating eccentrically or even vibrating during the fertilizer release process.

[0023] Furthermore, the fertilizer chamber is a split structure distributed along a symmetrical line. Solid fertilizer bags for storing solid fertilizer are arranged inside the fertilizer chamber. The solid fertilizer bags include: an outer shell for storing solid fertilizer, the surface of which is evenly distributed with pores for screening and releasing solid fertilizer particles, and fixing bolts for connecting to the fertilizer chamber at both ends of the outer shell. Blades are provided on the inner wall of the outer shell; or, liquid fertilizer bags for storing liquid fertilizer are arranged inside the fertilizer chamber. The liquid fertilizer bags are made of highly elastic plastic bags, and the surface of the liquid fertilizer bags is evenly distributed with tiny pinholes with a diameter of less than 0.25 mm.

[0024] The further beneficial effects of the above are as follows: during the rotation of the drum-type fertilizer mixer, the solid fertilizer bag will rotate along with it, so that the blades can cut and crush the solid fertilizer, while also preventing the solid fertilizer from clumping after being soaked in water; when liquid fertilizer is filled into the liquid fertilizer bag, it can be expanded, and during the fertilization process, it gradually shrinks as the amount of fertilizer decreases, thus compressing the liquid fertilizer. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the installation of the drum-type fertilizer mixer in the canal system of the present invention; Figure 2 A schematic diagram showing the installation of three drum-type fertilizer mixers in large and medium-sized canal systems; Figure 3 A schematic diagram showing the installation of six drum-type fertilizer mixers in large and medium-sized canal systems; Figure 4 This is a schematic diagram showing the installation of three drum-type fertilizer mixers in medium and small-sized canal systems. Figure 5This is a schematic diagram of a drum-type fertilizer mixer; Figure 6 This is a schematic diagram of a solid fertilizer bag; Figure 7 This is a schematic diagram of a liquid fertilizer bag.

[0026] The attached diagram lists the components represented by each number as follows: 1. Drum-type fertilizer mixer, 110. Fertilizer chamber, 120. Water chamber, 130. Guide vane, 2. Support, 3. Channel system, 4. Solid fertilizer bag, 410. Outer shell, 420. Fixing bolt, 430. Blade, 5. Liquid fertilizer bag, 6. Transmission hinge. Detailed Implementation

[0027] The principles and features of the present invention are described below with reference to the accompanying drawings. The examples given are only for explaining the present invention and are not intended to limit the scope of the present invention.

[0028] Example 1 like Figures 1-5 As shown, a method for installing a drum-type fertilizer mixer in a canal system includes the following steps: S10. Determine the type and concentration of fertilizer to be applied based on the various nutrients required for crop growth. Fertilizer types are divided into: soluble, easily soluble, and extremely easily soluble fertilizers. S20. Based on the type of canal system 3, and the type and concentration of fertilizer to be applied, determine the quantity and layout of the drum-type fertilizer mixer 1, as follows: ① If it is a large or medium-sized canal system 3, and the fertilizer is applied with a concentration greater than 1 / 10000 and less than 1 / 100, then it enters S30; ② If it is a large or medium-sized canal system 3, and a large amount of highly soluble, easily soluble, or soluble fertilizer is applied, and the fertilizer concentration is greater than or equal to 1 / 100, then it enters S40; ③ If it is a medium or small-sized canal system 3, and easily soluble or soluble fertilizers are applied, then it enters S50; S30. Multiple roller-type fertilizer mixers 1 are inclinedly distributed, and each roller-type fertilizer mixer 1 is rotatably connected to a support 2 on the canal bank. Each roller-type fertilizer mixer 1 has multiple guide vanes 130 around its axis. Adjacent roller-type fertilizer mixers 1 are driven and coordinated. The uppermost roller-type fertilizer mixer 1 is located above the canal system 3 and is used to dispense highly soluble fertilizers to prevent the fertilizer from dissolving too quickly in the water and causing an imbalance in the fertilizer concentration. Preferably, the central axis of the uppermost roller-type fertilizer mixer 1 is located above the design water level of the canal system. The other roller-type fertilizer mixers 1 are located inside the canal system 3 and are used to dispense easily soluble and soluble fertilizers. Preferably, the central axis of the other roller-type fertilizer mixers 1 is located below the design water level of the canal system. S40. Multiple roller-type fertilizer mixers 1 are divided into groups of two, and the multiple groups of roller-type fertilizer mixers 1 are distributed sequentially along the water flow direction and are rotatably connected to the support 2 on the canal bank. Each roller-type fertilizer mixer 1 has multiple guide vanes 130 around its axis. The two roller-type fertilizer mixers 1 in the same group are connected by transmission. The upper roller-type fertilizer mixer 1 is located above the canal system 3 and is used to dispense highly soluble fertilizers to avoid the fertilizer from soaking in the water, which would cause the dissolution rate to be too fast and the fertilizer to be mixed unevenly. Preferably, the central axis of the upper roller-type fertilizer mixer 1 is located above the design water level of the canal system. The lower roller-type fertilizer mixer 1 is located inside the canal system 3. Preferably, the central axis of the lower roller-type fertilizer mixer 1 is located below the design water level of the canal system and is used to dispense easily soluble and soluble fertilizers. S50. Multiple roller-type fertilizer mixers 1 are distributed sequentially in the channel system 3 along the water flow direction and are rotatably connected to the support 2 on the channel bank. Each roller-type fertilizer mixer 1 has multiple guide vanes 130 around its axis. The multiple roller-type fertilizer mixers 1 are located in the channel system 3 and are used to dispense easily soluble and soluble fertilizers. Preferably, the central axis of the multiple roller-type fertilizer mixers 1 is located below the design water level of the channel system.

[0029] Example 2 like Figure 2 , Figure 5 As shown, this embodiment is a further improvement on embodiment 1, as detailed below: The S30 contains three drum-type fertilizer mixers 1. However, this number is merely an example; in actual application, the number can be increased or decreased accordingly. All three drum-type fertilizer mixers 1 are inclined and rotatably connected to supports 2 on the canal bank. The central axes of the three drum-type fertilizer mixers 1 are located on the same inclined plane with an angle of 30° to 60°. The central axis of the uppermost drum-type fertilizer mixer 1 is above the canal's design water level, while the central axes of the other drum-type fertilizer mixers 1 are below the canal's design water level. Guide vanes, similar to those in the two adjacent drum-type fertilizer mixers 1, surround the area between them. A 130-meshing transmission hinge 6 is used to achieve transmission coordination. Since two of the three roller-type fertilizer mixers 1 are located within the canal system 3, and their central axes are below the design water level of the canal system, when there is water flow in the canal system 3, the water flow will push the guide vanes 130 on the two roller-type fertilizer mixers 1 whose central axes are below the water surface, thereby causing the roller-type fertilizer mixers 1 to start rotating. At the same time, when the water level of the canal system is constant, the central axes of the three roller-type fertilizer mixers 1 are located on the same inclined plane, which helps to increase the distance between two adjacent roller-type fertilizer mixers 1 and reduce mutual interference in the dissolution process of the added fertilizer; the uppermost roller-type fertilizer mixer 1... The central axis of the fertilizer mixer is located above the design water level of the canal system, used for dispensing highly soluble fertilizers to prevent excessive solubility and high fertilizer concentration. The central axes of the other drum-type fertilizer mixers 1 are located below the design water level of the canal system, used for dispensing easily soluble and soluble fertilizers to increase the variety and quantity of fertilizers. When a drum-type fertilizer mixer 1 in the canal system 3 starts to rotate, for example, when the bottom drum-type fertilizer mixer 1 starts to rotate, the bottom drum-type fertilizer mixer 1 causes the middle drum-type fertilizer mixer 1 to start rotating through the transmission hinge 6. Similarly, the middle drum-type fertilizer mixer 1 also causes the top drum-type fertilizer mixer 1 to rotate synchronously through the transmission hinge 6, thus achieving the goal of rotating the top drum-type fertilizer mixer 1 synchronously. The square drum-type fertilizer mixer 1 completes the fertilizer mixing and application. During the rotation of the drum-type fertilizer mixer 1 within the canal system 3, the fertilizer can be fully dissolved and mixed in the water of the canal system 3. The guide vanes 130 on the drum-type fertilizer mixer 1 have the function of transmitting water thrust and also serve as the transmission gear of the transmission hinge, reducing the weight of the drum-type fertilizer mixer 1 and increasing the rotation speed. At the same time, all drum-type fertilizer mixers 1 are equipped with guide vanes 130, which facilitates alternating use and timely replacement of faulty drum-type fertilizer mixers 1. The horizontal distance between the outer edges of two adjacent drum-type fertilizer mixers 1 is equal and ranges from 0.5m to 2m, which can avoid mutual interference during the fertilizer mixing process and improve the fertilizer dissolution efficiency.

[0030] Furthermore, the distance between the central axis of the uppermost roller-type fertilizer mixer 1 and the top of the canal embankment is less than 1.5m. This is to prevent the fine fertilizer particles from being scattered by the wind due to excessive installation height, and also to prevent insufficient transmission power of the transmission hinge 6 due to excessive installation height, making it difficult for the roller-type fertilizer mixer 1 to rotate. The distance between the lowest point of the outer edge of the lowermost roller-type fertilizer mixer 1 and the bottom of the canal is greater than 0.1m. This is to prevent weeds and gravel at the bottom of the canal from damaging the roller-type fertilizer mixer 1, and to ensure that the fertilizer released by the roller-type fertilizer mixer 1 can be fully mixed and dissolved with the water in the canal 3, resulting in a uniform mixture.

[0031] Example 3 like Figure 3 , Figure 5 As shown, this embodiment is a further improvement on embodiment 1 or 2, as detailed below: The number of roller-type fertilizer mixers 1 in S40 is six. Of course, six is ​​just an example; in actual application, the number can be increased or decreased accordingly. The six roller-type fertilizer mixers 1 are divided into three groups of two, greatly increasing the fertilizer application rate. Between the two roller-type fertilizer mixers 1 in the same group, a transmission hinge 6 meshes with the guide vanes 130 in the two roller-type fertilizer mixers 1 to achieve transmission coordination. The central axis of the upper roller-type fertilizer mixer 1 in the same group is located above the design water level of the canal system, while the lower roller-type fertilizer mixer 1 is located within the canal system 3, and its central axis is located below the design water level of the canal system. When there is water flow within the canal system 3... The water flow will push the guide vanes 130 on the lower roller-type fertilizer mixer 1, causing the lower roller-type fertilizer mixer 1 to start rotating. The lower roller-type fertilizer mixer 1 will then cause the upper roller-type fertilizer mixer 1 to rotate synchronously through the transmission hinge 6. The two roller-type fertilizer mixers 1 in each group are distributed vertically, and the central axes of the two roller-type fertilizer mixers 1 in each group are on the same vertical plane. The horizontal distance between the outer edges of two adjacent groups of roller-type fertilizer mixers 1 is equal and is 1m to 2m to prevent water waves from affecting each other during the rotation of the roller-type fertilizer mixers 1, which would result in low fertilizer release efficiency and uneven fertilizer mixing. The vertical distance between the outer edges of the lower roller-type fertilizer mixers 1 in the same group is greater than 0.2m.

[0032] When water flows within the canal system, the water flow pushes the guide vanes 130 on the lower roller-type fertilizer mixer 1, causing it to rotate. The lower roller-type fertilizer mixer 1 then drives the upper roller-type fertilizer mixer 1 to rotate synchronously via a transmission hinge, thus enabling the uppermost roller-type fertilizer mixer 1 to complete fertilizer mixing and application. During the rotation of the roller-type fertilizer mixer 1 within the canal system, the fertilizer can be fully dissolved and mixed in the canal water. The guide vanes 130 on the roller-type fertilizer mixer 1 function to transmit water thrust and also act as transmission gears for the transmission hinge, reducing the weight of the roller-type fertilizer mixer 1 and increasing its rotation speed. Furthermore, all roller-type fertilizer mixers 1 are equipped with guide vanes 130, facilitating alternating use and timely replacement of faulty roller-type fertilizer mixers. 1. The central axis of the upper roller-type fertilizer mixer 1 is located above the design water level of the canal system, used to dispensing highly soluble fertilizers to prevent excessive solubility and high fertilizer concentration; the central axis of the lower roller-type fertilizer mixer 1 is located below the design water level of the canal system, used to dispensing easily soluble and soluble fertilizers to increase the variety and quantity of fertilizers; the vertical distance between the outer edges of the upper and lower roller-type fertilizer mixers 1 in the same group is greater than 0.2m to ensure that the highly soluble fertilizers dispensed above have sufficient hydraulic space to dissolve and do not affect the dissolution of fertilizers dispensed by the lower roller-type fertilizer mixer 1; the horizontal distance between the outer edges of two adjacent groups of roller-type fertilizer mixers 1 is equal and is 1m to 2m to prevent water waves generated during the rotation of the roller-type fertilizer mixers 1 from affecting each other, resulting in low fertilizer release efficiency and uneven fertilizer mixing.

[0033] Furthermore, in the same group, the distance between the central axis of the upper roller-type fertilizer mixer 1 and the top of the canal 3 is less than 1.0m. This is to prevent the fine fertilizer particles from being scattered by the wind due to excessive installation height, and also to prevent insufficient transmission power of the transmission hinge 6 due to excessive installation height, making it difficult for the roller-type fertilizer mixer 1 to rotate. The distance between the lowest point of the outer edge of the lower roller-type fertilizer mixer 1 and the bottom of the canal 3 is greater than 0.05m. This is to prevent weeds and gravel at the bottom of the canal from damaging the roller-type fertilizer mixer 1, and to ensure that the fertilizer released by the roller-type fertilizer mixer 1 can be fully mixed and dissolved with the water in the canal 3, resulting in a uniform mixture.

[0034] Example 4 like Figure 4 , Figure 5 As shown, this embodiment is a further improvement on embodiment 1, 2, or 3, as detailed below: The S50 contains three roller-type fertilizer mixers 1. Of course, three is just an example. In actual application, the number can be increased or decreased accordingly. That is, the central axis of the three roller-type fertilizer mixers 1 is located below the design water level of the canal system. The central axis of the three roller-type fertilizer mixers 1 is located on the same horizontal plane and is used to dispense soluble or easily soluble fertilizers. The central axis of the three roller-type fertilizer mixers 1 is located on the same horizontal plane to ensure that the fertilizer in the roller-type fertilizer mixer 1 has as much contact with the water in the canal system as possible, thereby increasing the amount of fertilizer dissolved. The central axis of the three roller-type fertilizer mixers 1 is located below the design water level of the canal system. When there is water flow in the canal system 3, the water flow will push the guide vanes 130 on the roller-type fertilizer mixer 1, causing the roller-type fertilizer mixer 1 to start rotating. The horizontal distance between the outer edges of two adjacent roller-type fertilizer mixers 1 is equal and is 0.5m to 1m to avoid the water waves generated during the rotation from affecting each other.

[0035] Furthermore, the lowest point of the outer edge of each roller-type fertilizer mixer 1 is more than 0.05m away from the bottom of the canal system 3. This is to prevent weeds and gravel at the bottom of the canal from damaging the roller-type fertilizer mixer 1, and to ensure that the fertilizer released by the roller-type fertilizer mixer 1 can be fully mixed and dissolved with the water in the canal system 3, resulting in a uniform mixture.

[0036] In any of the embodiments 2 to 4, the guide vane 130 on the roller-type fertilizer mixer 1 has the function of transmitting water thrust, and also serves as the transmission gear of the transmission hinge 6, reducing the weight of the roller-type fertilizer mixer 1 and increasing the rotation speed. At the same time, all roller-type fertilizer mixers 1 are equipped with guide vanes 130 for easy alternation and timely replacement of faulty roller-type fertilizer mixers 1.

[0037] For any of the embodiments 1 to 4, the bracket 2 can be made of stainless steel, and the bracket 2 is fixed and embedded in the canal bank, which does not hinder the flow of water in the canal system and ensures smooth water flow. The stainless steel bracket 2 has a sliding bushing embedded in it. The bushing is used to limit the rotation range of the shaft at both ends of the roller-type fertilizer mixer 1. The bushing can slide up and down on the bracket 2 so as to adjust the installation height of the roller-type fertilizer mixer 1.

[0038] For example, urea has a solubility of 105g / 100g in water at 20℃; potassium dihydrogen phosphate has a solubility of 22.6g / 100g in water at 20℃; and dipotassium hydrogen phosphate has a solubility of 160g / 100g in water at 20℃. The solubility of conventional fertilizers varies greatly at the same temperature. Some fertilizers (such as potassium dihydrogen phosphate) can be completely submerged in water during application, gradually dissolving with the water flow, allowing for controllable fertilizer concentration in the canal system. Other fertilizers (such as urea) can only be partially submerged; otherwise, the fertilizer concentration in the canal system will be too high. Still others (such as dipotassium hydrogen phosphate) must be applied according to a specific ratio; otherwise, they dissolve immediately upon contact with water, making the fertilizer concentration completely uncontrollable. Therefore, some fertilizers should be applied above the water surface, while others should be applied below the water surface.

[0039] Fertilizer concentration is the weight of fertilizer dissolved per unit weight, including the total weight of several fertilizers. For example, if 1000 kg of canal water dissolves 1 kg of urea and 1 kg of potassium chloride fertilizer at the same time, then the fertilizer concentration is 2 / 1000. Solubility refers to the maximum amount of a certain fertilizer that can be dissolved in water at a certain temperature. Solubility is classified as extremely soluble, easily soluble, and soluble. For example, extremely soluble means that the solubility is greater than 10g / 100g of water; easily soluble means that the solubility is between (1g and 10g) / 100g of water; and soluble means that the solubility is between (0.01g and 1g) / 100g of water.

[0040] Example 5 like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, this embodiment is a further improvement on any one of embodiments 1 to 4, as detailed below: The distance between the central axis of the roller-type fertilizer mixer 1 and the field inlet is 1m to 1000m. The distance is calculated based on the length of the water flow path. The specific distance depends on the design water level of the canal system. The deeper the design water level, the larger the amount of fertilizer to be applied and the longer the mixing time. The installation position of the roller-type fertilizer mixer 1 should be extended from the field inlet accordingly to prevent uneven fertilizer mixing and direct delivery to the field. The shallower the design water level, the smaller the amount of fertilizer to be applied. The distance should not be too long to prevent the fertilizer concentration from being too low during transportation and the fertilization efficiency from being low. The central axis of each roller-type fertilizer mixer 1 is perpendicular to the center line of the canal system 3 to prevent it from rotating eccentrically, which would lead to uneven fertilizer application into the canal system 3, uneven fertilizer mixing, and easy wear of the roller-type fertilizer mixer 1.

[0041] Example 6 like Figure 5 , Figure 6 , Figure 7As shown, this embodiment is a further improvement on any one of embodiments 1 to 5, as detailed below: Each roller-type fertilizer mixer 1 includes: a fertilizer chamber 110 for storing fertilizer, the surface of which is evenly distributed with pores for the permeation of solid fertilizer particles and liquid fertilizer, that is, the fertilizer chamber 110 can store solid fertilizer or liquid fertilizer. Each end of the fertilizer chamber 110 is provided with a water chamber 120 for storing a certain amount of liquid (the liquid can be water). When a certain amount of liquid is stored in the water chamber 120 according to the amount of fertilizer applied, it plays a role in weighting and fixing the roller-type fertilizer mixer 1, preventing the roller-type fertilizer mixer 1 from rotating eccentrically or even vibrating during the fertilizer release process. The fertilizer chamber 110 has multiple guide vanes 130 around its axis.

[0042] Furthermore, the cavity 110 is a split structure distributed along a symmetrical line, meaning that the cavity 110 can be opened to allow the subsequent insertion of solid fertilizer bags 4 or liquid fertilizer bags 5, and can also be closed. The cavity 110 can be assembled from two semi-cylinders, wherein the two semi-cylinders are rotatably connected on one side along the length direction, and connected on the other side by a locking device, such as a bolt or a buckle. Solid fertilizer bags 4 for storing solid fertilizer are arranged inside the fertilizer chamber 110. The solid fertilizer bag 4 includes: an outer shell 410 for storing solid fertilizer. The surface of the outer shell 410 is evenly distributed with pores for screening and releasing solid fertilizer particles. The two ends of the outer shell 410 are respectively provided with fixing bolts 420 for connecting to the fertilizer chamber 110. Blades 430 are provided on the inner wall of the outer shell 410. During the rotation of the drum-type fertilizer mixer 1, the solid fertilizer bag 4 will rotate along with it, so that the blades 430 can cut and crush the solid fertilizer, and at the same time prevent the solid fertilizer from clumping after soaking in water.

[0043] Alternatively, a liquid fertilizer bag 5 for storing liquid fertilizer is installed inside the fertilizer chamber 110. The liquid fertilizer bag 5 is made of highly elastic plastic bag, and the surface of the bag body is evenly distributed with fine pinholes with a pore size of less than 0.25mm. 0.25mm is the pore size of a 60-mesh filter screen. When liquid fertilizer is filled into the liquid fertilizer bag 5, it can be expanded. During the fertilization process, it gradually shrinks as the amount of fertilizer decreases, thus compressing the liquid fertilizer.

[0044] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A method of installing a drum-type fertilizer blender in a canal system, characterized by, It comprises the following steps: S10, determine the type of fertilizer to be applied and the fertilization concentration according to the multiple nutrient elements required for crop growth; S20, determine the number and layout of the roller type fertilizer mixer (1) according to the type of canal system (3), and the type and concentration of fertilizer to be applied, respectively: if it is a large and medium-sized canal system (3), and the concentration of fertilizer to be applied is greater than 1 / 10000 and less than 1 / 100, then enter S30; if it is a large and medium-sized canal system (3), and a large amount of extremely easy-to-dissolve, easy-to-dissolve and soluble fertilizer is applied, and the concentration of fertilizer to be applied is greater than or equal to 1 / 100, then enter S40; if it is a medium and small-sized canal system (3), and easy-to-dissolve and soluble fertilizer is applied, then enter S50; S30, multiple roller type fertilizer mixers (1) are inclined and respectively connected with the supports (2) on the canal embankment, each roller type fertilizer mixer (1) has multiple guide vanes (130) around its axis, the adjacent two roller type fertilizer mixers (1) are transmission matched, the uppermost roller type fertilizer mixer (1) is above the canal system (3) and is used to put extremely easy-to-dissolve fertilizer; the other roller type fertilizer mixers (1) are in the canal system (3) and are used to put easy-to-dissolve and soluble fertilizer; S40, multiple roller type fertilizer mixers (1) are divided into multiple groups with two as a group, and the multiple groups of roller type fertilizer mixers (1) are sequentially distributed along the water flow direction and respectively connected with the supports (2) on the canal embankment, each roller type fertilizer mixer (1) has multiple guide vanes (130) around its axis, the two roller type fertilizer mixers (1) in the same group are transmission matched; the upper roller type fertilizer mixer (1) is above the canal system (3) and is used to put extremely easy-to-dissolve fertilizer; the lower roller type fertilizer mixer (1) is in the canal system (3) and is used to put easy-to-dissolve and soluble fertilizer; S50, multiple roller type fertilizer mixers (1) are sequentially distributed in the canal system (3) along the water flow direction and respectively connected with the supports (2) on the canal embankment, each roller type fertilizer mixer (1) has multiple guide vanes (130) around its axis, and the multiple roller type fertilizer mixers (1) are in the canal system (3) and are used to put easy-to-dissolve and soluble fertilizer.

2. The method of claim 1, wherein the method is characterized by: The number of roller type fertilizer mixers (1) in S30 is three, the middle axes of the three roller type fertilizer mixers (1) are located on the same inclined surface, and the angle of the inclined surface is 30°-60°, the middle axis of the uppermost roller type fertilizer mixer (1) is above the design water level of the canal system, the middle axes of the other roller type fertilizer mixers (1) are below the design water level of the canal system, the adjacent two roller type fertilizer mixers (1) are surrounded by transmission hinges (6) engaged with the guide vanes (130) of the two roller type fertilizer mixers (1) to realize transmission matching, the horizontal distance between the outer edges of the adjacent two roller type fertilizer mixers (1) is equal and is 0.5m-2m.

3. The method of claim 2, wherein the method further comprises the steps of: providing a plurality of rollers; and mounting the plurality of rollers to the plurality of arms. The distance between the middle axis of the uppermost roller type fertilizer mixer (1) and the top of the canal system is less than 1.5m, and the distance between the lowest point of the outer edge of the lowermost roller type fertilizer mixer (1) and the bottom of the canal system is greater than 0.1m.

4. The method of claim 1, wherein the method further comprises the steps of: providing a plurality of rollers; and mounting the plurality of rollers to the channel. The number of the roller-type fertilizer mixers (1) in S40 is six, and the six roller-type fertilizer mixers (1) are divided into three groups with two as a group, the two roller-type fertilizer mixers (1) in the same group are surrounded by the transmission hinges (6) engaged with the guide vanes (130) in the two roller-type fertilizer mixers (1) to realize transmission cooperation, the two roller-type fertilizer mixers (1) in each group are distributed above and below and the central axes are in the same vertical plane, the central axis of the upper roller-type fertilizer mixer (1) is located above the design water level of the canal system, and the central axis of the lower roller-type fertilizer mixer (1) is located below the design water level of the canal system; the horizontal distance between the outer edges of the two adjacent groups of roller-type fertilizer mixers (1) is equal and is 1m-2m; the vertical distance between the outer edges of the upper and lower roller-type fertilizer mixers (1) in the same group is greater than 0.2m.

5. The method of claim 4, wherein the method further comprises the steps of: providing a plurality of rollers; and mounting the plurality of rollers to the plurality of arms. The distance between the central axis of the upper roller-type fertilizer mixer (1) in the same group and the top of the canal system is less than 1.0m, and the distance between the lowest point of the outer edge of the lower roller-type fertilizer mixer (1) and the bottom of the canal system is greater than 0.05m.

6. The method of claim 1, wherein the method further comprises the steps of: providing a plurality of rollers; and mounting the plurality of rollers to the channel. The number of the roller-type fertilizer mixers (1) in S50 is three, the central axes of the three roller-type fertilizer mixers (1) are located in the same horizontal plane, the central axes of the three roller-type fertilizer mixers (1) are located below the design water level of the canal system, and the horizontal distance between the outer edges of the two adjacent roller-type fertilizer mixers (1) is equal and is 0.5m-1m.

7. The method of claim 6, wherein the method further comprises the step of: 7-1) installing the roller-type fertilizer mixer in the channel system. The distance between the lowest point of the outer edge of each roller-type fertilizer mixer (1) and the bottom of the canal system is greater than 0.05m.

8. The method according to any one of claims 1 to 7, wherein the method is characterized in that, The distance between the central axis of each roller-type fertilizer mixer (1) and the water inlet of the field is 1m-1000m, and the central axis of the roller-type fertilizer mixer (1) is perpendicular to the center line of the canal system.

9. The method according to any one of claims 1 to 8, wherein the method is characterized in that, Each roller-type fertilizer mixer (1) comprises: a fertilizer cavity (110) for storing fertilizer, the surface of the fertilizer cavity (110) is uniformly distributed with pores for leaking solid fertilizer particles and liquid fertilizer, and each end of the fertilizer cavity (110) is provided with a water cavity (120) for storing a certain amount of liquid, and the fertilizer cavity (110) has a plurality of guide vanes (130) around its axis.

10. The method of claim 9, wherein the method further comprises the step of: 10) installing the roller-type fertilizer mixer in the channel system. The fertilizer cavity (110) is a split structure distributed along the symmetry line, the solid fertilizer bag (4) for storing solid fertilizer is arranged in the fertilizer cavity (110), the solid fertilizer bag (4) comprises: a shell (410) for storing solid fertilizer, the surface of the shell (410) is uniformly distributed with pores for screening and releasing solid fertilizer particles, and the two ends of the shell (410) are respectively provided with fixing bolts (420) connected with the fertilizer cavity (110), and the inner wall of the shell (410) is provided with a blade (430); or, the liquid fertilizer bag (5) for storing liquid fertilizer is arranged in the fertilizer cavity (110), the liquid fertilizer bag (5) adopts a high-elasticity plastic bag, and the surface of the bag body of the liquid fertilizer bag (5) is uniformly distributed with fine pinholes with a pore diameter less than 0.25mm.

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