Potassium phosphite water-soluble fertilizer stirring and mixing device

Abstract

The utility model relates to the technical field of stirring and mixing, and provides a potassium phosphite water-soluble fertilizer stirring and mixing device which comprises a tank body arranged on a workbench, a transmission box body arranged at the top of the tank body, a driving motor arranged at the top of the transmission box body, a stirring shaft in transmission connection with the driving motor, and a stirring shaft arranged on the stirring shaft. The stirring shaft penetrates through the transmission box body and extends to one end of the inner cavity of the tank body to be provided with at least one group of stirring components; at least one group of shearing components are further arranged in the tank body and close to the upper liquid level, the shearing components are mounted on a shearing shaft, and one end, far away from the shearing components, of the shearing shaft extends to an inner cavity of the transmission box body and is in transmission connection with the stirring shaft through a transmission adjusting mechanism; at least one feeding port is further formed in the top of the tank body, and at least one discharging port is formed in the bottom of the tank body. The stirring and mixing device solves the problems that an existing stirring and mixing device is poor in stirring and mixing effect on powdery raw materials of the water-soluble fertilizer and low in mixing efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring and mixing, in particular to a stirring and mixing device for potassium phosphite water-soluble fertilizer. Background Technique

[0002] Potassium phosphite is a high-phosphorus and high-potassium fully water-soluble fertilizer. After application, crops can supplement phosphorus, potassium and various trace elements, which can control and strengthen the shoots of crops, promote flower bud differentiation, fruit swelling, early ripening, improve yield and quality. At the same time, it can reduce the phenomenon of crop nutrient deficiency, such as yellowing, deformation, small leaves, flower dropping, fruit cracking of leaves, etc., and is very popular in the field of agricultural production.

[0003] In the manufacturing process of potassium phosphite water-soluble fertilizer, a large number of powdery raw materials are needed. By adding the powdery raw materials and pure water into a reaction kettle or a reaction tank and carrying out sufficient stirring and mixing. At present, there are various stirring and mixing devices for water-soluble fertilizers on the market. For example, a Chinese patent with the patent number CN212283758U and the patent name of a novel stirring and mixing device for water-soluble fertilizer. Most of the above-mentioned stirring and mixing devices stir and mix the water-soluble fertilizer mixed solution by setting a stirring shaft and stirring blades. This stirring method has a good stirring effect on water-soluble fertilizers using liquid raw materials. However, for water-soluble fertilizers using powdery raw materials, since most of the powdery raw materials float on the surface of the aqueous solution, and most of the stirring blades are located in the middle and lower layers of the aqueous solution, the stirring and mixing effect on the powdery raw materials on the surface of the solution is not good, and the efficiency is low. Especially when the powdery raw materials are stored for a long time and the raw materials coagulate into small pieces from the powdery state, the simple stirring and mixing effect is even worse. Content of the Utility Model

[0004] In order to overcome the defects of the above-mentioned prior art, the utility model provides a stirring and mixing device for potassium phosphite water-soluble fertilizer to solve the problems of poor stirring and mixing effect and low mixing efficiency of the powdery raw materials of water-soluble fertilizers by the current stirring and mixing devices.

[0005] In order to solve the above technical problems, the technical solution of the utility model is:

[0006] A stirring and mixing device for potassium phosphite water-soluble fertilizer, including a tank body installed on a workbench. A transmission box body is arranged at the top of the tank body. A driving motor is installed at the top of the transmission box body. A stirring shaft is drivingly connected to the driving motor. The stirring shaft penetrates through the transmission box body and extends to one end of the inner cavity of the tank body, and at least one group of stirring components is installed at the extended end;

[0007] At least one group of shearing components is also arranged in the tank body and near the upper liquid level. The shearing components are installed on a shearing shaft. One end of the shearing shaft away from the shearing components extends into the inner cavity of the transmission box body and is drivingly connected to the stirring shaft through a transmission adjustment mechanism;

[0008] At least one feeding port is further installed at the top of the tank body, and at least one discharging port is installed at the bottom of the tank body.

[0009] As an improved technical solution, the transmission adjustment mechanism includes a first transmission gear, a second transmission gear and a sliding gear, and the sliding gear is slidably connected between the first transmission gear and the second transmission gear;

[0010] The first transmission gear is fixedly installed on the stirring shaft, the second transmission gear is fixedly installed on the shearing shaft, the sliding gear is movably installed on the stirring shaft, and moves axially along the stirring shaft through a driving mechanism.

[0011] As an improved technical solution, internal teeth are provided on one side of the sliding gear close to the first transmission gear, the internal teeth are meshed with the first transmission gear, external teeth are provided on the outer peripheral circle of the sliding gear, and the external teeth are meshed with the second transmission gear.

[0012] As an improved technical solution, the driving mechanism includes a connecting plate, one end of the connecting plate is rotatably connected to the sliding gear, the other end is connected to a driving device, and the driving device is installed on the transmission box body.

[0013] As an improved technical solution, a groove is provided on the outer peripheral circle of the outer edge of the sliding gear, an arc-shaped portion is provided at the connection between the connecting plate and the sliding gear, and the arc-shaped portion is adapted to the groove.

[0014] As an improved technical solution, the stirring assembly includes a first connecting sleeve, the first connecting sleeve is installed on the stirring shaft, and a plurality of stirring blades are arranged in a row on the outer circumference of the first connecting sleeve.

[0015] As an improved technical solution, the shearing assembly includes a second connecting sleeve, the second connecting sleeve is installed on the shearing shaft, and a plurality of obliquely arranged shearing blades are arranged in a row on the outer circumference of the second connecting sleeve.

[0016] As an improved technical solution, a heating cavity is further provided on the outer side wall of the tank body, an electric heating wire or a connected heat supply pipeline is provided in the heating cavity, and a heat insulation layer is wrapped outside the heating cavity.

[0017] As an improved technical solution, an opening and closing type closing door is installed at the feeding port, and a control valve is installed at the discharging port.

[0018] As an improved technical solution, at least one observation window is further installed at the top of the tank body.

[0019] After adopting the above technical solution, the beneficial effects of the present utility model are:

[0020] By arranging a transmission box body at the top of the tank body, a driving motor is installed on the top of the transmission box body. The driving motor is drivingly connected to a stirring shaft. The stirring shaft penetrates through the transmission box body and extends into the inner cavity of the tank body, and at least one set of stirring components is installed. Through the stirring components, the mixed solution in the tank body can be stirred and mixed, so that the raw materials of potassium phosphite react and mix fully with pure water. At least one set of shearing components is also installed in the tank body and near the upper liquid level. Through the shearing components, the powdery raw materials floating on the surface of the aqueous solution can be sheared and mixed, so that the powdery raw materials dissolve in the aqueous solution faster. At the same time, during the shearing and mixing process, the raw materials condensed into small pieces can also be broken, so that the small pieces of raw materials are dispersed and dissolved as soon as possible, greatly improving the stirring and mixing efficiency. Thus, through the stirring components and the shearing components, the rapid stirring and mixing of the powdery raw materials in the water-soluble fertilizer is realized, and the mixing efficiency is high;

[0021] The shearing components are installed on a shearing shaft. One end of the shearing shaft far away from the shearing components extends into the inner cavity of the transmission box body and is drivingly connected to the stirring shaft through a transmission adjustment mechanism. Through the transmission adjustment mechanism, the driving connection between the stirring shaft and the shearing shaft can be controlled to realize the driving of the shearing components. Since the raw materials of potassium phosphite water-soluble fertilizer or the raw materials of other water-soluble fertilizers can be powdery raw materials, or aqueous solution raw materials, or both exist. For water-soluble fertilizers that are all aqueous solution raw materials, during the stirring and mixing process, due to the characteristics of the aqueous solution, the shearing action can be not carried out. Thus, through the transmission adjustment mechanism, the driving connection between the shearing shaft and the stirring shaft can be disconnected, and only the stirring action is carried out, saving energy consumption;

[0022] At least one feeding port is installed on the top of the tank body. Through the feeding port, it is convenient to put raw materials into the tank body. At least one discharging port is installed at the bottom of the tank body. Through the discharging port, it is convenient to transport the stirred and mixed water-soluble fertilizer to a designated area or a storage barrel, facilitating subsequent filling or transportation.

[0023] In summary, the present utility model provides a stirring and mixing device for potassium phosphite water-soluble fertilizer, which solves the problems that the existing stirring and mixing device has poor stirring and mixing effect on the powdery raw materials of water-soluble fertilizer and low mixing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on the structures shown in these drawings without creative efforts. In addition, in the drawings, the components or parts are not necessarily drawn according to the actual ratio.

[0025] Figure 1 It is a schematic structural diagram of the present utility model;

[0026] Figure 2 It is a schematic structural diagram of the transmission adjustment mechanism in the present utility model;

[0027] Figure 3 It is a schematic structural diagram of the sliding gear and the driving mechanism in the present utility model;

[0028] Figure 4 It is a schematic structural diagram of the sliding gear in the present utility model;

[0029] Reference numerals:

[0030] 1, workbench; 2, tank body; 3, transmission box body; 4, driving motor; 5, stirring shaft; 6, stirring assembly, 601, first connecting sleeve, 602, stirring blade; 7, shearing assembly, 701, second connecting sleeve, 702, shearing blade; 8, shearing shaft; 9, transmission adjustment mechanism, 901, first transmission gear, 902, second transmission gear, 903, sliding gear, 9031, internal teeth, 9032, external teeth, 9033, groove; 10, feeding port; 11, discharging port; 12, driving mechanism, 1201, connecting plate, 1202, driving device; 13, heating cavity; 14, heat insulation layer; 15, openable and closable closing door; 16, control valve; 17, observation window. Specific embodiments

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0032] It should be noted that all the directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only used to explain the relative position relationship and movement conditions between components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0033] At the same time, the meaning of "and / or" or "and / or" appearing throughout the text is that it includes three solutions. Taking "A and / or B" as an example, it includes solution A, or solution B, or a solution where A and B are satisfied simultaneously.

[0034] In addition, in the present utility model, descriptions such as "first", "second", etc. are only for descriptive purposes and should not be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. Additionally, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or is unimplementable, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0035] As Figure 1 - Figure 2 shown, a stirring and mixing device for potassium phosphite water-soluble fertilizer includes a tank body 2 installed on a workbench 1. A transmission box body 3 is provided at the top of the tank body 2, and a driving motor 4 is installed on the top of the transmission box body 3. The driving motor 4 includes a motor and a reducer connected to the motor. A stirring shaft 5 is drivingly connected to the driving motor 4. The stirring shaft 5 is coaxially arranged with the tank body 2 and is rotatably installed on the tank body 2 through bearings. The stirring shaft 5 penetrates through the transmission box body 3 and at least one set of stirring components 6 is installed at one end extending into the inner cavity of the tank body 2. Through the stirring components 6, the mixed solution in the tank body 2 can be stirred and mixed, enabling the raw materials of potassium phosphite to fully react and mix with pure water. Multiple sets of stirring components 6 can be arranged along the stirring shaft 5 according to the stirring requirements.

[0036] At least one set of shearing components 7 is also provided in the tank body 2 and near the upper liquid level. Through the shearing components 7, the powdery raw materials floating on the surface of the aqueous solution can be sheared and mixed, enabling the powdery raw materials to dissolve in the aqueous solution faster. At the same time, during the shearing and mixing process, the raw materials condensed into small pieces can also be broken, enabling the small piece raw materials to be dispersed and dissolved as soon as possible, greatly improving the stirring and mixing efficiency. The shearing components 7 are installed on a shearing shaft 8. One end of the shearing shaft 8 far from the shearing components 7 extends into the inner cavity of the transmission box body 3 and is drivingly connected to the stirring shaft 5 through a transmission adjustment mechanism 9. One end of the shearing shaft 8 far from the shearing components 7 is rotatably installed between the end of the shearing shaft 8 and the transmission box body 3 through a bearing. Through the transmission adjustment mechanism 9, the driving connection between the stirring shaft 5 and the shearing shaft 8 can be controlled to drive the shearing components 7. Since the raw materials of potassium phosphite water-soluble fertilizer or other water-soluble fertilizer raw materials can be powdery raw materials, aqueous solution raw materials, or both, for water-soluble fertilizers that are all aqueous solution raw materials, during the stirring and mixing process, due to the characteristics of the aqueous solution, the shearing action can be omitted. Thus, through the transmission adjustment mechanism 9, the driving connection between the shearing shaft 8 and the stirring shaft 5 can be disengaged, and only the stirring action is performed, saving energy consumption.

[0037] In this embodiment, two sets of shearing assemblies 7 are provided, which are respectively located on both sides of the stirring shaft 5 and are drivingly connected to the stirring shaft 5 through a transmission adjustment mechanism 9. The stirring shaft 5 and the transmission adjustment mechanism 9 drive the shearing assemblies 7 on both sides to move synchronously, so as to shear, stir and mix the powdery raw materials on the surface of the aqueous solution.

[0038] At least one feeding port 10 is further installed at the top of the tank body 2. Through the feeding port 10, it is convenient to put raw materials into the tank body 2. In this embodiment, a plurality of feeding ports 10 are provided, and multiple raw materials can be put into the tank body 2 at the same time. At least one discharging port 11 is installed at the bottom of the tank body 2. Through the discharging port 11, it is convenient to transport the stirred and mixed water-soluble fertilizer to a designated area or a storage barrel, which is convenient for subsequent filling or transportation.

[0039] As Figure 1 - Figure 4 shown, in the present utility model, the transmission adjustment mechanism 9 includes a first transmission gear 901, a second transmission gear 902 and a sliding gear 903. The sliding gear 903 is slidably connected between the first transmission gear 901 and the second transmission gear 902. In this embodiment, the diameter and the number of teeth of the sliding gear 903 are larger than those of the second transmission gear 902. Therefore, the rotation speed of the shearing shaft 8 is greater than that of the stirring shaft 5.

[0040] The first transmission gear 901 is fixedly installed on the stirring shaft 5 through a spline or a bolt. The second transmission gear 902 is fixedly installed on the shearing shaft 8 through a spline or a bolt. The sliding gear 903 is movably installed on the stirring shaft 5 and moves axially along the stirring shaft 5 through a driving mechanism 12. In this embodiment, the sliding gear 903 is located directly above the first transmission gear 901, sleeved on the stirring shaft 5, and has a clearance fit with the stirring shaft 5. When not engaged, it does not rotate synchronously with the stirring shaft 5. Through the driving mechanism 12, the sliding gear 903 can be pushed to move axially along the stirring shaft 5. During the movement, the sliding gear 903 can be meshed with the first transmission gear 901 and the second transmission gear 902 for driving, so that the shearing shaft 8 is driven to rotate synchronously when the stirring shaft 5 rotates, realizing the synchronous drive of the shearing assembly 7.

[0041] As Figure 1 - Figure 4As shown in the figure, in this embodiment, an internal tooth 9031 is provided on one side of the sliding gear 903 close to the first transmission gear 901. Specifically, a counterbore is provided on the side of the sliding gear 903 close to the first transmission gear 901, and the internal tooth 9031 is provided on the circumferential wall of the inner side of the counterbore. The internal tooth 9031 meshes with the first transmission gear 901. An external tooth 9032 is provided on the outer circumference of the sliding gear 903, and the external tooth 9032 meshes with the second transmission gear 902. The first transmission gear 901 drives the sliding gear 903 to rotate synchronously through the internal tooth 9031. During the rotation of the sliding gear 903, the second transmission gear 902 is driven to rotate synchronously through the external tooth 9032, thereby transmitting power to the shearing shaft 8 and driving the shearing shaft 8 to rotate synchronously, realizing the shearing, stirring and mixing of the upper-layer liquid in the tank body 2.

[0042] As Figure 3 shown in the figure, in this embodiment, the driving mechanism 12 includes a connecting plate 1201. One end of the connecting plate 1201 is rotatably connected to the sliding gear 903, and the other end is connected to the driving device 1202. The driving device 1202 is installed on the transmission box body 3. In this embodiment, the driving device 1202 is preferably a cylinder or a hydraulic cylinder. The driving device 1202 is installed on the top of the transmission box body 3 through bolts. The piston rod of the driving device 1202 penetrates through the side wall of the transmission box body 3 and is connected to the connecting plate 1201. By the telescopic movement of the piston rod of the driving device 1202, the connecting plate 1201 can be driven to move downward, and then the sliding gear 903 is driven to move axially along the stirring shaft 5, realizing the adjustment of the position of the sliding gear 903, so that the sliding gear 903 can be engaged with or separated from the first transmission gear 901 and the second transmission gear 902 for transmission.

[0043] As Figure 1 - Figure 4 shown in the figure, in this embodiment, a groove 9033 is provided on the outer circumference of the sliding gear 903. An arc-shaped part is provided at the connection between the connecting plate 1201 and the sliding gear 903. The arc-shaped part is adapted to the groove 9033. The arc-shaped part of the connecting plate 1201 is inserted into the groove 9033 and abuts against the inner side wall of the groove 9033. Under the action of the driving device 1202, the sliding gear 903 is driven to move axially along the stirring shaft 5, and it does not affect the meshing rotation of the sliding gear 903 with the first transmission gear 901 and the second transmission gear 902.

[0044] As Figure 1 shown in the figure, in the present utility model, the stirring assembly 6 includes a first connecting sleeve 601. The first connecting sleeve 601 is installed on the stirring shaft 5. A plurality of stirring blades 602 are installed on the first connecting sleeve 601 in a circumferential arrangement through bolts. The stirring blades 602 are driven to rotate by the stirring shaft 5, thereby realizing the stirring and mixing of the solution in the tank body 2. In this embodiment, the stirring assembly 6 is arranged in the middle and lower layers of the solution in the tank body 2.

[0045] As Figure 1 - Figure 2As shown, in the present utility model, the shearing assembly 7 includes a second connecting sleeve 701. The second connecting sleeve 701 is installed on the shearing shaft 8. A number of inclined shearing blades 702 are installed on the second connecting sleeve 701 in a circumferential arrangement by bolts. The shearing shaft 8 drives the shearing blades 702 to rotate synchronously, thereby realizing the shearing and mixing of the powdery raw materials on the surface of the solution in the tank body 2. At the same time, since the shearing blades 702 are all inclined, a downward extrusion force will be generated during the high-speed rotation of the shearing blades 702, enabling the powdery raw materials floating on the surface of the solution to move downward, accelerating the solution mixing effect and improving the mixing efficiency.

[0046] As Figure 1 shown, in the present utility model, a heating cavity 13 is further provided on the outer side wall of the tank body 2. An electric heating wire or a connected heat supply pipeline is provided in the heating cavity 13. The electric heating wire or the connected heat supply pipe is not marked in the figure. In addition, other heating methods can also be used for heating except for the electric heating wire or the connected heat supply pipeline. The heating cavity 13 is wrapped with a heat insulation layer 14 to avoid heat loss through the heat insulation layer 14. Especially when the temperature is relatively low in winter, the tank body 2 is heated through the heating cavity 13 to ensure the temperature of the solution in the tank body 2, which can accelerate the reaction rate of the solution.

[0047] Combined with Figure 1 shown, in the present utility model, an openable and closable closing door 15 is installed at the feeding port 10. By providing the openable and closable closing door 15 at the feeding port 10, it is opened when the feeding operation is carried out and closed after the feeding is completed to prevent external sundries from entering the tank body 2. A control valve 16 is installed at the discharging port 11 to control the discharging of the discharging port 11.

[0048] Combined with Figure 1 shown, in the present utility model, at least one observation window 17 is further installed on the top of the tank body 2, which is convenient for the staff to observe the stirring and mixing and shearing conditions inside the tank body 2 through the observation window.

[0049] For the convenience of understanding, the working process of this embodiment is given below:

[0050] As Figure 1 - Figure 4 shown, first, the openable and closable closing door 15 at the feeding port 10 is opened. Then, the raw materials are put into the tank body 2, and at the same time, pure water is added to the tank body 2. After that, the openable and closable closing door 15 is closed. The driving motor 4 is started, and the driving motor 4 drives the stirring shaft 5 to rotate. The stirring shaft 5 drives the stirring blades 602 to stir and mix the solution in the tank body 2.

[0051] When there is powdery raw material in the tank body 2, the piston rod of the driving device 1202 extends, and through the connecting plate 1201, it pushes the sliding gear 903 to move downward along the stirring shaft 5, so that the inner teeth 9031 of the sliding gear 903 mesh with the first transmission gear 901 fixed on the stirring shaft 5 for transmission, and the outer teeth 9032 of the sliding gear 903 mesh with the second transmission gear 902 fixed on the shearing shaft 8 for transmission. Thus, the shearing shaft 8 can be driven to rotate synchronously. Since the diameter and number of teeth of the sliding gear 903 are larger than those of the second transmission gear 902, the shearing shaft 8 can be driven to rotate at a high speed, and then the shearing blades 702 are driven to rotate at a high speed, realizing the shearing, crushing and mixing of the powdery raw material on the surface of the solution in the tank body 2. At the same time, since the shearing blades 702 are all inclined, a downward extrusion force will be generated during the high-speed rotation process, enabling the powdery raw material floating on the surface of the solution to move downward and accelerating the stirring and mixing efficiency;

[0052] When the temperature is relatively low in winter, the tank body 2 is heated through the heating cavity 13 to increase the temperature of the solution in the tank body 2 and accelerate the reaction efficiency of the solution;

[0053] After the stirring and mixing are completed, the output of the water-soluble fertilizer is controlled by the control valve 16 at the discharge port 11.

[0054] In summary, the present utility model provides a stirring and mixing device for potassium phosphite water-soluble fertilizer, which solves the problems of poor stirring and mixing effect and low mixing efficiency of the existing stirring and mixing device for the powdery raw material of the water-soluble fertilizer.

[0055] It should be understood that the use of these embodiments is only for illustrating the present utility model and is not intended to limit the protection scope of the present utility model. In addition, it should also be understood that after reading the technical content of the present utility model, those skilled in the art can make various changes, modifications and / or variations to the present utility model, and all these equivalent forms also fall within the protection scope defined by the appended claims of this application.

Claims

1. A potassium phosphite water-soluble fertilizer stirring and mixing device, characterized in that: It comprises a tank body installed on a workbench, a transmission box body is provided on the top of the tank body, a driving motor is installed on the top of the transmission box body, a stirring shaft is drivingly connected to the driving motor, and the stirring shaft penetrates the transmission box body and extends to one end of the inner cavity of the tank body, and at least one stirring assembly is installed; At least one shearing assembly is also provided in the tank body and near the upper liquid level. The shearing assembly is installed on a shearing shaft. One end of the shearing shaft away from the shearing assembly extends to the inner cavity of the transmission box body and is connected to the stirring shaft through a transmission adjustment mechanism. The top of the tank body is also provided with at least one feeding port, and the bottom of the tank body is provided with at least one discharging port.

2. A potassium phosphite water-soluble fertilizer stirring and mixing device as claimed in claim 1, characterized in that: The transmission adjustment mechanism comprises a first transmission gear, a second transmission gear and a sliding gear, and the sliding gear is slidingly connected with the first transmission gear and the second transmission gear; The first transmission gear is fixedly mounted on the stirring shaft, the second transmission gear is fixedly mounted on the shearing shaft, and the sliding gear is movably mounted on the stirring shaft and moves along the axial direction of the stirring shaft through a driving mechanism.

3. A potassium phosphite water-soluble fertilizer stirring and mixing device as claimed in claim 2, characterized in that: The sliding gear is provided with inner teeth on one side close to the first transmission gear, and the inner teeth are meshed with the first transmission gear. The sliding gear is provided with outer teeth on the outer circumference, and the outer teeth are meshed with the second transmission gear.

4. A potassium phosphite water-soluble fertilizer stirring and mixing device as claimed in claim 2, characterized in that: The driving mechanism comprises a connecting plate, one end of which is rotationally connected to the sliding gear, and the other end of which is connected to a driving device, and the driving device is mounted on the transmission housing.

5. A potassium phosphite water-soluble fertilizer stirring and mixing device as claimed in claim 4, characterized in that: A groove is arranged on the circumference of the outer edge of the sliding gear, and an arc portion is arranged at the connection between the connecting plate and the sliding gear, and the arc portion is matched with the groove.

6. A potassium phosphite water-soluble fertilizer stirring and mixing device as claimed in claim 1, characterized in that: The stirring assembly comprises a first connecting sleeve, the first connecting sleeve is mounted on the stirring shaft, and a plurality of stirring blades are arranged and mounted on a circumference of the first connecting sleeve.

7. A potassium phosphite water-soluble fertilizer stirring and mixing device as claimed in claim 1, characterized in that: The shearing assembly comprises a second connecting sleeve, which is mounted on the shearing shaft, and a plurality of inclined shearing blades are arranged and mounted on a circumference of the second connecting sleeve.

8. A potassium phosphite water-soluble fertilizer stirring and mixing device as claimed in claim 1, characterized in that: A heating chamber is also provided on the outer wall of the tank body, an electric heating wire or a connecting heating pipe is provided in the heating chamber, and the outer side of the heating chamber is wrapped with a heat preservation layer.

9. A potassium phosphite water-soluble fertilizer stirring and mixing device as claimed in claim 1, characterized in that: An openable and closable closed door is installed at the feeding port, and a control valve is installed at the discharging port.

10. A potassium phosphite water-soluble fertilizer stirring and mixing device as claimed in claim 1, characterized in that: At least one observation window is also installed on the top of the tank body.

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