Mechanical-liquid double-stirring device for efficiently mixing ferric phosphate solution

Abstract

The invention belongs to the technical field of ferric phosphate solution mixing equipment, and discloses a mechanical-hydraulic double-stirring device for efficiently mixing ferric phosphate solutions, which comprises a mixing cylinder, the mixing cylinder is connected with a feed port, an air outlet, a discharge port, a cylinder cover body, a first box body, a second box body and a support frame, the air outlet is communicated with a pneumatic assembly through a three-way pipe, and the air outlet is communicated with a pneumatic assembly through a three-way pipe; the first box body is connected with a liquid drawing assembly, a motor and a transmission belt group, the liquid drawing assembly comprises an eccentric wheel, a sleeve and a piston rod group, the transmission belt group is connected with a stirring rod group, the sleeve communicates with a first guide pipe, the piston rod group is connected with a connecting rod, the eccentric wheel is provided with a groove, and the connecting rod slidably abuts against the groove; the stirring rod and the liquid drawing assembly are used for carrying out mechanical stirring and hydraulic stirring on a solution in the mixing barrel, the stirring rod and the liquid drawing assembly act at the same time, the mixing efficiency of the solution in the preparation process of the iron phosphate solution is high, the uniformity is good, the production cost is effectively controlled, and the quality and performance of a final product are guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of ferric phosphate solution preparation equipment, in particular to a machine-liquid dual stirring device for efficiently mixing ferric phosphate solution. Background Art

[0002] Ferric phosphate, also known as ferrous phosphate and ferric orthophosphate, has a molecular formula of FePO4. It is a salt formed by the reaction of iron salt solution and sodium phosphate, in which iron is trivalent. Its main use is to manufacture lithium iron phosphate battery materials, catalysts, ceramics, supercapacitors and other related products. The preparation process of iron phosphate involves the mixing and reaction of multiple chemical raw materials, among which the uniformity of the mixing of the iron phosphate solution directly affects the quality and performance of the final product.

[0003] At present, in the process of preparing ferric phosphate solution, the solution is usually mixed simply by stirring with a stirring element, which has low mixing efficiency and requires a long mixing time to achieve a certain uniformity, which not only increases the production cost, but also may affect the production efficiency and quality of the product; and due to factors such as differences in the properties of raw materials, different mixing conditions and equipment limitations, the existing solution mixing technology is often difficult to ensure the uniformity of the ferric phosphate solution, resulting in an increase in the impurity content in the product, affecting the purity and crystal form of the product; furthermore, in order to improve the mixing effect, it is often necessary to increase the stirring speed or extend the mixing time, resulting in increased energy consumption. Summary of the invention

[0004] The present invention aims to provide a mechanical-liquid dual stirring device for efficiently mixing ferric phosphate solution, which utilizes a stirring rod group to mechanically stir the solution in a mixing cylinder, and utilizes a liquid pumping component to periodically draw and discharge the solution to achieve hydraulic stirring of the solution; the mechanical stirring and the hydraulic stirring act simultaneously, which has high mixing efficiency and good uniformity in the process of preparing the ferric phosphate solution, effectively controls the production cost, and ensures the quality and performance of the final product.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] A machine-liquid dual stirring device for efficiently mixing ferric phosphate solution comprises a mixing cylinder, the inlet end of the upper side of the mixing cylinder is detachably connected to a cylinder cover, the upper side of the mixing cylinder is also connected to a feed inlet and an air outlet, the lower side of the mixing cylinder is provided with a discharge port, the discharge port is connected to a control valve for controlling its opening and / or closing; the outer side of the mixing cylinder is connected to a first box and a plurality of support frames for supporting and fixing the dual stirring device, the first box is connected to a liquid pumping component, a motor and a transmission belt group, the output shaft of the motor is coaxially fixedly connected to any pulley of the transmission belt group to drive its movement The pulley of the transmission belt group is connected to the stirring rod group, and the stirring rod group is rotatably arranged on the inner side of the mixing cylinder; the liquid drawing assembly includes an eccentric wheel, a sleeve and a piston rod group, the sleeve is fixedly connected to the first box body, the mouth end of the sleeve is connected to the first conduit, the free end of the first conduit is arranged on the inner side of the mixing cylinder, the piston of the piston rod group is slidably arranged on the inner side of the sleeve, the end of the piston rod group away from the piston is connected to a connecting rod, the eccentric wheel is fixedly connected to the output shaft of the motor, the eccentric wheel is provided with a groove, and the connecting rod is slidably abutted against the groove.

[0007] Furthermore, the pulleys of the eccentric wheel, the stirring rod group, and the transmission belt group are all coaxially fixedly connected to the output shaft of the motor, and during the downward rotation of the stirring rod group, the eccentricity of the eccentric wheel connecting the connecting rod gradually decreases, the piston rod group moves upward relative to the sleeve, and the liquid drawing component draws the solution inward; on the contrary, during the upward rotation of the stirring rod group, the eccentricity of the eccentric wheel connecting the connecting rod gradually increases, the piston rod group moves downward relative to the sleeve, and the liquid drawing component pushes the solution inside it outward.

[0008] Furthermore, the outer side of the mixing cylinder is connected to a second box, the inner side of the second box is also connected to a liquid drawing assembly, the two groups of liquid drawing assemblies are mirror-symmetrically arranged with the center plane of the mixing cylinder as a reference plane, and the free ends of the first conduits of the two liquid drawing assemblies are arranged opposite to each other.

[0009] Furthermore, the inner sides of the first box body and the second box body are fixedly connected with a slide groove, and the piston rod groups of the two liquid-drawing components are fixedly connected with a slider, and the slider is slidably arranged on the inner side of the slide groove.

[0010] Furthermore, the inner sides of the first box body and the second box body are both connected with springs through connecting plates, the free ends of the two springs are respectively connected to the piston rod groups of the two liquid-drawing assemblies, and the springs are sleeved on the outer sides of the piston rod groups.

[0011] Furthermore, the mixing cylinder includes a cylindrical portion in the middle and conical portions at the upper and lower ends, the feed inlet and the air outlet are arranged at the upper conical portion of the mixing cylinder, the stirring rod group is arranged at the middle cylindrical portion of the mixing cylinder, and the first conduit is arranged at the lower conical portion of the mixing cylinder.

[0012] Furthermore, the air outlet is connected to a three-way pipe, one end of the three-way pipe is connected to a pneumatic component, the air outlet end of the pneumatic component is connected to a second conduit, and the air outlet end of the second conduit is arranged on the inner side of the mixing cylinder; the other end of the three-way pipe is connected to a valve for controlling its opening and / or closing.

[0013] Furthermore, the transmission belt assembly includes a pulley connected by a transmission belt, two pulleys are fixedly connected to a stirring rod assembly, and the second conduit is arranged between the two stirring rod assemblies.

[0014] Furthermore, the feed port is disposed between the barrel cover and the first box body and the second box body, and the feed port includes a first feed port and a second feed port for adding different raw materials for mixing.

[0015] Furthermore, there are four support frames, and the four support frames are evenly distributed around the mixing cylinder.

[0016] The principle and beneficial effects of the technical solution are:

[0017] 1. The present invention provides a machine-liquid dual stirring device for efficiently mixing ferric phosphate solution. The cylinder cover body is detachably connected to the upper side of the mixing cylinder body. The cylinder cover body is removed to facilitate the addition of mixed materials. The cylinder cover body is covered to facilitate the sealing environment of the ferric phosphate solution preparation process. The feed inlet is convenient for the addition of materials during the preparation of the ferric phosphate solution. The gas outlet is used to discharge the gas inside the mixing cylinder body. The discharge outlet is used to discharge the solution after the preparation of the ferric phosphate solution is completed. The support frame fixes and supports the entire dual stirring device; the liquid pumping assembly, the motor and the transmission belt group are connected to the inner side of the first box body, and the output shaft of the motor is connected to the pulley of the transmission belt group and the liquid pumping assembly The eccentric wheel is fixedly connected, and the pulley is connected to the stirring rod group. The eccentric wheel is connected to the piston rod group through a connecting rod. The operation of the motor drives the pulley and the eccentric wheel to rotate, so that the stirring rod group rotates accordingly to achieve mechanical stirring of the solution in the mixing cylinder. At the same time, the piston rod group moves up and down along the axial direction of its sleeve under the action of the connecting rod and the eccentric wheel, and the mouth end of the sleeve is connected to a free end arranged on the inner side of the mixing cylinder. The first conduit, when the piston rod group moves upward, under the action of atmospheric pressure, the solution in the mixing cylinder is sucked into the sleeve, and when the piston rod group moves downward, the solution in the mixing cylinder is pushed out of the sleeve by the piston and returned to the mixing cylinder. With the continuous operation of the motor, the stirring rod group periodically rotates to mechanically stir the solution in the mixing cylinder, and the extraction component periodically extracts and discharges the solution to hydraulically stir the solution in the mixing cylinder; the two act simultaneously, and the mixing efficiency and uniformity of the solution in the preparation process of the iron phosphate solution are high, the production cost is effectively controlled, and the quality and performance of the final product are guaranteed;

[0018] 2. The present invention provides a machine-liquid dual stirring device for mixing ferric phosphate solution with high efficiency. By controlling the connection relationship between the pulleys of the eccentric wheel, the stirring rod group, the transmission belt group and the output shaft of the motor and the initial state of the eccentric wheel and the stirring rod group, the liquid drawing component draws the solution inwards during the downward rotation of the stirring rod group, and the liquid drawing component pushes the solution inside it outwards during the upward rotation of the stirring rod group; during the downward rotation of the stirring rod group, a downward pressure is applied to the solution inside the mixing cylinder, and at this time, the drawing component is just in the state of drawing the solution. The process of drawing the solution is good and efficient under the atmospheric pressure between the piston rod group and the sleeve and the external pressure of the stirring rod group; on the contrary, during the upward rotation of the stirring rod group, an upward lifting force is applied to the solution inside the mixing cylinder, and at this time, the drawing component is just in the state of discharging the solution. The discharged solution achieves "resonance" under the action of the stirring rod group, so that the mixing effect of the solution in the mixing cylinder is good and the efficiency is high;

[0019] 3. The present invention provides a machine-liquid dual stirring device for efficiently mixing ferric phosphate solution, wherein two boxes are connected to the outside of the mixing cylinder, and two sets of oppositely arranged drawing components are connected to the inside of the two boxes. The free ends of the first conduits of the two drawing components are oppositely arranged. In the process of drawing the solution, the solution inside the mixing cylinder moves toward each other, thereby improving the cross-mixing effect between the solutions. In the process of discharging the solution from the sleeve, the solutions discharged from the two first conduits impact each other, thereby accelerating the mixing between the solutions.

[0020] 4. The present invention provides a machine-liquid dual stirring device for efficiently mixing ferric phosphate solution. A chute is connected in the box body, and a slider is connected to the piston rod group. When the piston rod group moves up and down, the slider slides in the chute. The two guide and limit the movement of the piston rod group, thereby improving the stability of the movement process and ensuring the functionality of the entire extraction component to extract and discharge the solution. A spring sleeved on the piston rod group is connected in the box body, and the elastic deformation and self-restoring force of the spring are used to absorb the impact force during the movement, so that the operation of the entire device is more stable and smooth.

[0021] 5. The present invention provides a machine-liquid dual stirring device for efficiently mixing ferric phosphate solution, wherein the feed inlet and the gas outlet are arranged on the upper side of the mixing cylinder, which is convenient for adding materials and discharging gases generated during the solution process; the stirring rod group is arranged in the middle of the mixing cylinder, which is convenient for installation and debugging of the components of the entire dual stirring device; the first conduit is arranged on the lower side of the mixing cylinder, which is convenient for extracting and discharging the precipitated substances in the solution that cannot be processed by the stirring rod group, thereby reducing the precipitation of materials and improving the uniformity of the solution; the gas outlet is connected to the pneumatic component through a three-way pipe, and the pneumatic component feeds the gas generated during the preparation of the ferric phosphate solution into the mixing cylinder ...; the stirring rod group is arranged in the middle of the mixing cylinder; the stirring rod group is arranged in the middle of the mixing cylinder; the stirring rod group is arranged in the middle of the mixing cylinder; the stirring rod group is arranged in the middle of the mixing cylinder; the stirring rod group is arranged in the middle of the mixing cylinder; the stirring rod group is arranged in the middle of the mixing cylinder; the stirring rod group is arranged in the middle of the mixing cylinder; the stirring rod group is arranged in the middle of the mixing cylinder; the stirring rod group is arranged in the middle of the mixing cylinder; the stirring rod group is arranged in the middle of the mixing cylinder; the stirring rod group is arranged in the middle of the mixing cylinder; the stirring rod group is arranged in the The gas is introduced into the mixing cylinder through the second conduit for repeated use, so as to realize pneumatic stirring of the solution and improve the utilization rate of energy; the free end of the second conduit is arranged between two stirring rod groups connected by a transmission belt group, so as to "check for leaks and fill in gaps" in the mixing "blind spots" that may exist in the mixing cylinder, thereby further improving the mixing effect of the solution; four support frames are arranged, and the four support frames are evenly arranged around the mixing cylinder, so that in the process of preparing the iron phosphate solution by using the double stirring device, the whole device is stable and the force is evenly applied, thereby ensuring the safety of the preparation process of the iron phosphate solution. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view of a machine-liquid dual stirring device for efficiently mixing ferric phosphate solution according to the present invention;

[0023] Figure 2 for Figure 1 Sectional view of AA in the middle;

[0024] Figure 3It is a side view of a machine-liquid dual stirring device for efficiently mixing ferric phosphate solution according to the present invention;

[0025] Figure 4 Figure 3 Cross-sectional view of the middle BB;

[0026] Figure 5 The present invention is a schematic structural diagram of a machine-liquid dual stirring device for efficiently mixing ferric phosphate solution.

[0027] The names of the corresponding marks in the accompanying drawings are:

[0028] Mixing cylinder 1, cylinder cover 2, discharge port 3, control valve 4, support frame 5, first feed port 6, second feed port 7, air outlet 8, first box body 9, motor 10, second box body 11, stirring rod group 12, transmission belt group 13, eccentric wheel 14, groove 15, connecting rod 16, sleeve 17, piston rod group 18, slider 19, spring 20, slide groove 21, first conduit 22, second conduit 23, pneumatic component 24. DETAILED DESCRIPTION

[0029] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments:

[0030] like Figures 1 to 5 As shown, a machine-liquid dual stirring device for efficiently mixing ferric phosphate solution comprises a mixing cylinder 1, the mixing cylinder 1 comprises a cylindrical portion in the middle and truncated cone portions at upper and lower ends, the truncated cone portion at the upper end of the mixing cylinder 1 is connected with a feed port and an air outlet 8, the feed port comprises a first feed port 6 and a second feed port 7, the feed port is used to add different raw materials for mixing, the air outlet 8 is connected with a tee, one end of the tee is connected with a pneumatic component 24, the air outlet end of the pneumatic component 24 is connected with a second conduit 23, the air outlet end of the second conduit 23 is arranged on the inner side of the mixing cylinder 1, and the other end of the tee is connected with a valve for controlling its opening and / or closing; the inlet end on the upper side of the mixing cylinder 1 is connected with a cylinder cover 2 by a thread, the lower side of the mixing cylinder 1 is provided with a discharge port 3, and the discharge port 3 is connected with a control valve 4 for controlling its opening and / or closing;

[0031] The outer side of the mixing cylinder 1 is connected to a first box body 9, a second box body 11 and four support frames 5 for supporting and fixing the double stirring device. The four support frames 5 are evenly distributed around the mixing cylinder 1. The pneumatic component 24 is fixedly connected to the inner side of the second box body 11. The first box body 9 is connected to a liquid drawing component, a motor 10 and a transmission belt group 13. The liquid drawing component includes an eccentric wheel 14, a sleeve 17 and a piston rod group 18. The transmission belt group 13 includes a pulley connected by a transmission belt. Both pulleys are fixedly connected to a stirring rod group 12, and both stirring rod groups 12 are rotatably arranged on the inner side of the central cylindrical part of the mixing cylinder 1. The second conduit 23 is arranged between the two stirring rod groups 12; the pulleys of the eccentric wheel 14, the stirring rod group 12 and the transmission belt group 13 are all coaxially and fixedly connected to the output shaft of the motor 10. The sleeve 17 is fixedly connected to the first housing 9, the mouth end of the sleeve 17 is connected to the first conduit 22, the free end of the first conduit 22 is arranged on the inner side of the truncated cone at the lower end of the mixing cylinder 1, the piston of the piston rod assembly 18 is slidably arranged on the inner side of the sleeve 17, the upper end of the piston rod assembly 18 is connected to the connecting rod 16, the eccentric wheel 14 is provided with a groove 15, and the connecting rod 16 is slidably abutted against the groove 15; and during the downward rotation of the stirring rod assembly 12, the eccentric distance of the eccentric wheel 14 connecting the connecting rod 16 gradually decreases, the piston rod assembly 18 moves upward relative to the sleeve 17, and the liquid drawing component draws the solution inward; on the contrary, during the upward rotation of the stirring rod assembly 12, the eccentric distance of the eccentric wheel 14 connecting the connecting rod 16 gradually increases, the piston rod assembly 18 moves downward relative to the sleeve 17, and the liquid drawing component pushes out the solution inside it;

[0032] The inner side of the second box body 11 is also connected to a liquid drawing component, and the two groups of liquid drawing components are arranged in a mirror-symmetrical manner with the central plane of the mixing cylinder 1 as the reference plane, and the free ends of the first conduits 22 of the two liquid drawing components are arranged opposite to each other; in addition, the inner sides of the first box body 9 and the second box body 11 are fixedly connected to a slide groove 21, and the piston rod groups 18 of the two liquid drawing components are fixedly connected to a slider 19, and the slider 19 is slidably arranged on the inner side of the slide groove 21; the inner sides of the first box body 9 and the second box body 11 are connected to springs 20 through connecting plates, and the free ends of the two springs 20 are respectively connected to the piston rod groups 18 of the two liquid drawing components, and the springs 20 are sleeved on the outer sides of the piston rod groups 18.

[0033] The specific implementation process is as follows:

[0034] When using the present double stirring device to prepare ferric phosphate solution, first use the support frame 5 to fix the entire mixing cylinder 1, open the cylinder cover 2, add raw materials into the mixing cylinder 1 through the upper inlet end of the mixing cylinder 1, then cover the cylinder cover 2, start the motor 10 to mix the raw materials inside the mixing cylinder 1, and during the mixing process, open the first feed port 6 or the second feed port 7 according to actual needs to add additional raw materials, and open the valve or pneumatic component 24 of the control tee pipe according to actual conditions to discharge the gas in the mixing cylinder 1 or reuse it for pneumatic stirring of the solution; after the ferric phosphate solution is mixed, open the control valve 4 to discharge the mixed ferric phosphate solution from the discharge port 3.

[0035] The operation of the motor 10 drives the pulley and the eccentric wheel 14 to rotate, and the stirring rod group 12 rotates accordingly to achieve mechanical stirring of the solution in the mixing cylinder 1. The piston rod group 18 moves up and down along the axial direction of its sleeve 17 under the action of the connecting rod 16 and the eccentric wheel 14. When the piston rod group 18 moves upward, the solution in the mixing cylinder 1 is sucked into the sleeve 17. When the piston rod group 18 moves downward, the solution in the mixing cylinder 1 is pushed out of the sleeve 17 by the piston and returned to the mixing cylinder 1. The continuous operation of the motor 10 causes the stirring rod group 12 to rotate periodically to mechanically stir the solution in the mixing cylinder 1, and the extraction component periodically extracts and discharges the solution to hydraulically stir the solution in the mixing cylinder 1. The two act simultaneously, and the mixing efficiency and uniformity of the solution in the preparation process of the iron phosphate solution are high, the production cost is effectively controlled, and the quality and performance of the final product are guaranteed.

[0036] By controlling the connection relationship between the eccentric wheel 14, the stirring rod group 12, the pulleys of the transmission belt group 13 and the output shaft of the motor 10 and the initial states of the eccentric wheel 14 and the stirring rod group 12, the liquid drawing component draws the solution inwardly during the downward rotation of the stirring rod group 12, and the liquid drawing component pushes out the solution inside it during the upward rotation of the stirring rod group 12; during the downward rotation of the stirring rod group 12, the stirring rod group 12 applies a downward pressure to the solution inside the mixing cylinder 1, and at this time, the drawing component is just in the state of drawing the solution, and the process of drawing the solution is under the atmospheric pressure between the piston rod group 18 and the sleeve 17 and the external pressure of the stirring rod group 12, and the effect of drawing the solution is good and the efficiency is high; on the contrary, during the upward rotation of the stirring rod group 12, an upward lifting force will be applied to the solution inside the mixing cylinder 1, and at this time, the drawing component is just in the state of discharging the solution, and the discharged solution achieves "resonance" under the action of the stirring rod group 12, so that the mixing effect of the solution in the mixing cylinder 1 is good and the efficiency is high;

[0037] Two sets of oppositely arranged extraction components are connected to the inner sides of the first box body 9 and the second box body 11, and the free ends of the first conduits 22 of the two extraction components are oppositely arranged. In the process of extracting the solution, the solution inside the mixing cylinder 1 moves toward each other, thereby improving the cross-mixing effect between the solutions. In the process of discharging the solution from the sleeve 17, the solutions discharged from the two first conduits 22 impact each other, thereby accelerating the mixing between the solutions.

[0038] A chute 21 is connected in the first box body 9 and the second box body 11, and a slider 19 is connected to the piston rod group 18. When the piston rod group 18 moves up and down, the slider 19 slides in the chute 21. The two guide and limit the movement of the piston rod group 18, thereby improving the stability of the movement process and ensuring the functionality of the entire extraction assembly to extract and discharge the solution; a spring 20 sleeved on the piston rod group 18 is connected in the first box body 9 and the second box body 11, and the elastic deformation and self-restoring force of the spring 20 are used to absorb the impact force during the movement, so that the operation of the entire device is more stable and smooth;

[0039] The feed port and the air outlet 8 are arranged on the upper side of the mixing cylinder 1 to facilitate the addition of materials and the discharge of gases generated during the solution process. The stirring rod group 12 is arranged in the middle of the mixing cylinder 1 to facilitate the installation and debugging of the components of the entire double stirring device. The first conduit 22 is arranged on the lower side of the mixing cylinder 1 to facilitate the extraction and discharge of the precipitated substances in the solution that cannot be processed by the stirring rod group 12, thereby reducing the precipitation of materials and improving the uniformity of the solution; the air outlet 8 is connected to the pneumatic component 24 through a three-way pipe, and the pneumatic component 24 reuses the gas generated during the preparation of the ferric phosphate solution, and introduces the gas into the mixing cylinder 1 through the second conduit 23, so as to achieve pneumatic stirring of the solution and improve the utilization rate of energy; the free end of the second conduit 23 is arranged between the two stirring rod groups 12 connected by the transmission belt group 13, so as to "check for leaks and fill in gaps" in the mixing "blind spots" that may exist in the mixing cylinder 1, and further improve the mixing effect of the solution.

[0040] The above is only an embodiment of the present invention, and the common knowledge such as the known specific technical solutions or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the technical solution of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A machine-liquid dual stirring device for efficiently mixing ferric phosphate solution, comprising a mixing cylinder, the inlet end of the upper side of the mixing cylinder is detachably connected to a cylinder cover, the upper side of the mixing cylinder is also connected to a feed inlet and an air outlet, the lower side of the mixing cylinder is provided with a discharge port, and the discharge port is connected to a control valve for controlling its opening and / or closing; characterized in that: The outer side of the mixing cylinder is connected to a first box and a plurality of support frames that support and fix the dual stirring device, the first box is connected to a liquid drawing component, a motor and a transmission belt group, the output shaft of the motor is coaxially and fixedly connected to any pulley of the transmission belt group to drive it to operate, the pulley of the transmission belt group is connected to a stirring rod group, and the stirring rod group is rotatably arranged on the inner side of the mixing cylinder; the liquid drawing component includes an eccentric wheel, a sleeve and a piston rod group, the sleeve is fixedly connected to the first box, the mouth end of the sleeve is connected to a first conduit, the free end of the first conduit is arranged on the inner side of the mixing cylinder, the piston of the piston rod group is slidably arranged on the inner side of the sleeve, the end of the piston rod group away from the piston is connected to a connecting rod, the eccentric wheel is fixedly connected to the output shaft of the motor, the eccentric wheel is provided with a groove, and the connecting rod is slidably abutted against the groove.

2. The machine-liquid dual stirring device for efficiently mixing ferric phosphate solution according to claim 1, characterized in that: The pulleys of the eccentric wheel, the stirring rod group and the transmission belt group are all coaxially fixedly connected to the output shaft of the motor, and during the downward rotation of the stirring rod group, the eccentricity of the eccentric wheel connected to the connecting rod gradually decreases, the piston rod group moves upward relative to the sleeve, and the liquid drawing component draws the solution inward; on the contrary, during the upward rotation of the stirring rod group, the eccentricity of the eccentric wheel connected to the connecting rod gradually increases, the piston rod group moves downward relative to the sleeve, and the liquid drawing component pushes the solution inside it outward.

3. The machine-liquid dual stirring device for efficiently mixing ferric phosphate solution according to claim 2, characterized in that: The outer side of the mixing cylinder is also connected to a second box, and the inner side of the second box is also connected to a liquid drawing component. The two groups of liquid drawing components are arranged in mirror symmetry with the central plane of the mixing cylinder as the reference plane, and the free ends of the first conduits of the two liquid drawing components are arranged opposite to each other.

4. The machine-liquid dual stirring device for efficiently mixing ferric phosphate solution according to claim 3, characterized in that: The inner sides of the first box body and the second box body are both fixedly connected with a slide groove, and the piston rod groups of the two liquid-drawing components are both fixedly connected with a slider, and the slider is slidably arranged on the inner side of the slide groove.

5. The machine-liquid dual stirring device for efficiently mixing ferric phosphate solution according to claim 3, characterized in that: The inner sides of the first box body and the second box body are both connected with springs through connecting plates, the free ends of the two springs are respectively connected with the piston rod groups of the two liquid drawing assemblies, and the springs are sleeved on the outer sides of the piston rod groups.

6. The machine-liquid dual stirring device for efficiently mixing ferric phosphate solution according to claim 3, characterized in that: The mixing cylinder includes a cylindrical portion in the middle and conical portions at upper and lower ends. The feed inlet and the air outlet are arranged at the upper conical portion of the mixing cylinder. The stirring rod group is arranged at the middle cylindrical portion of the mixing cylinder. The first conduit is arranged at the lower conical portion of the mixing cylinder.

7. The machine-liquid dual stirring device for efficiently mixing ferric phosphate solution according to claim 3, characterized in that: The air outlet is connected to a three-way pipe, one end of which is connected to a pneumatic component, the air outlet end of the pneumatic component is connected to a second conduit, and the air outlet end of the second conduit is arranged on the inner side of the mixing cylinder; the other end of the three-way pipe is connected to a valve for controlling its opening and / or closing.

8. The machine-liquid dual stirring device for efficiently mixing ferric phosphate solution according to claim 7, characterized in that: The transmission belt assembly comprises a pulley connected by a transmission belt, two pulleys are fixedly connected to a stirring rod assembly, and the second conduit is arranged between the two stirring rod assemblies.

9. The machine-liquid dual stirring device for efficiently mixing ferric phosphate solution according to claim 7, characterized in that: The feed port is arranged between the barrel cover and the first box body and the second box body, and the feed port includes a first feed port and a second feed port for adding different raw materials for mixing.

10. The machine-liquid dual stirring device for efficiently mixing ferric phosphate solution according to claim 1, characterized in that: There are four support frames, and the four support frames are evenly distributed around the mixing cylinder.

Images