A feeding and medication dosing device, a feeding system

CN224700127UActive Publication Date: 2026-09-01HENAN RUIANG ANIMAL HUSBANDRY TECH CO LTD
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Patent Information

Application Number
CN202521691009.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-09
Publication Date
2026-09-01
Estimated Expiration
2035-08-09

AI Technical Summary

Technical Problem

饲料的制作和输送都可以通过智能系统自动控制,但对于药物而言,通常还是在搅拌罐内制作完成后再人工称量所需的药液量,注入到饲喂处,操作繁琐,效率低

Benefits of technology

[0016]The feeding and medication dosing device provided in this application is equipped with a weighing device on the medication tank. By weighing the medication tank, the total water intake can be accurately controlled, achieving a precise ratio of medication powder to water. After the medication solution is prepared, it can quantitatively or in the required amount can be dispensed and supplied, accurately supplying medication as needed and controlling the dosage. Therefore, this feeding and medication dosing device achieves precise automatic weighing and automatic medication dispensing, improving efficiency and accurately controlling the dosage. It is also compatible with feeding systems and can meet the rapid feeding needs of large-scale farms.

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Abstract

This application provides a feeding and medication dispensing device and a feeding system. The feeding and medication dispensing device includes a fixed frame and a medication dispensing tank mounted on the fixed frame. The medication dispensing tank is equipped with a medication inlet, a liquid inlet pipe, and a liquid outlet pipe. The liquid inlet pipe is equipped with a liquid inlet valve, and the liquid outlet pipe is equipped with a liquid outlet valve and a booster pump. A weighing device is mounted on the fixed frame to weigh the medication dispensing tank. The weighing device includes a weight sensor located at the support point supporting the medication dispensing tank and a controller communicatively connected to the weight sensor. The controller adjusts the opening and closing of the liquid inlet valve, the liquid outlet valve, and the booster pump based on feedback from the weight sensor. This feeding and medication dispensing device can quantitatively or on demand supply pre-prepared medication solution, achieving precise automatic weighing and automatic medication dispensing, improving efficiency and accurately controlling the amount of medication solution. It is compatible with feeding systems and can meet the rapid feeding needs of large-scale farms.
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Description

Technical Field

[0001] This application relates to the field of feeding-related equipment technology, specifically to a feeding dosing device and a feeding system including the feeding dosing device. Background Technology

[0002] Animal husbandry is a vital and fundamental economic industry in my country, benefiting both the nation and its people. With rising standards and optimized production efficiency, automated feeding systems are becoming increasingly common in modern animal husbandry. In animal husbandry, not only is feed provided to livestock, but medication is also administered regularly or multiple times depending on their growth stage. Currently, both feed and medication are prepared in mixing tanks and then delivered to the livestock pens. While feed preparation and delivery can be automated through intelligent systems, medication is typically prepared in the mixing tanks and then manually weighed before being injected into the feeding area—a cumbersome and inefficient process. Furthermore, for large-scale farms with multiple pens, the required medication volume varies depending on the number of livestock or their growth stage. Manually weighing each pens is extremely inefficient and severely impacts the overall feeding operations of the farm. Utility Model Content

[0003] In view of this, the embodiments of this application are committed to providing a feeding and medication dosing device that can quantitatively or on demand supply prepared medication solution, realize accurate automatic weighing and automatic medication dosing, improve efficiency and accurately control the amount of medication solution, adapt to the feeding system, and meet the rapid feeding needs of large-scale farms.

[0004] This application provides a feeding and medication dosing device, including a fixed frame and a dosing box disposed on the fixed frame. The dosing box is provided with a dosing port, a liquid dosing pipe and a liquid dispensing pipe. The liquid dosing pipe is provided with a liquid dosing valve and the liquid dispensing pipe is provided with a liquid dispensing valve and a booster pump.

[0005] The fixed frame is equipped with a weighing device for weighing the dosing tank. The weighing device includes a weight sensor located at the support point supporting the dosing tank and a controller that is communicatively connected to the weight sensor. The controller adjusts the opening and closing of the liquid dosing valve, the liquid outlet valve and the booster pump according to the feedback from the weight sensor.

[0006] In one possible implementation, the dosing tank is equipped with a liquid level sensor configured to limit the liquid level during dosing, so as to quantitatively dispense liquid and enable the liquid level to have a gap with the top wall of the dosing tank.

[0007] In one possible implementation, the dosing tank is further provided with a circulation return pipe, one end of which is connected to the liquid outlet at the bottom of the dosing tank, and the other end extends into the dosing tank from the top. The circulation return pipe is also provided with a booster pump electrically connected to the controller and configured to allow the liquid in the dosing tank to flow out through the liquid outlet and then return to the dosing tank.

[0008] In one possible implementation, the recirculation pipe is provided with a horizontal nozzle and / or an inclined nozzle;

[0009] The outlet of the horizontal spray nozzle faces the inner wall of the dosing tank, and the angle between its axial direction and the radial direction of the dosing tank does not exceed 15°; the outlet of the inclined spray nozzle is inclined downward, and has an angle with both the radial and axial directions of the dosing tank.

[0010] In one possible implementation, the inclined nozzle is disposed above the horizontal nozzle, and the outlet of the inclined nozzle is provided with a spiral nozzle.

[0011] In one possible implementation, a main discharge pipe is connected to the discharge port at the bottom of the dosing tank. A booster pump is installed on the main discharge pipe. The liquid outlet pipe is connected to the circulation return pipe and is located downstream of the booster pump. A liquid outlet valve is installed on the liquid outlet pipe, and a return valve is installed on the circulation return pipe.

[0012] In one possible implementation, a drain pipe is also provided, which is connected to the discharge port of the dosing tank and is equipped with a drain valve.

[0013] In one possible implementation, the mounting frame is provided with a support sleeve for suspending the dosing tank, and at least two wing plates extend from the support sleeve. The wing plates overlap the main body of the mounting frame and the weight sensor is disposed between the wing plates and the main body.

[0014] In one possible implementation, the support sleeve includes a support ring supported on the bottom of the dosing tank and a side circumferentially disposed on the support ring, the support ring and the side circumferentially forming a cylindrical cavity, and the lower part of the dosing tank being inserted into the cylindrical cavity.

[0015] This application also provides a feeding system, including a feed preparation box for preparing feed, a feed conveying pipe for conveying feed, and a feeding dosing device as described in any of the preceding claims, wherein the liquid outlet pipe is connected to the feed preparation box or the feed conveying pipe.

[0016] The feeding and medication dosing device provided in this application is equipped with a weighing device on the medication tank. By weighing the medication tank, the total water intake can be accurately controlled, achieving a precise ratio of medication powder to water. After the medication solution is prepared, it can quantitatively or in the required amount can be dispensed and supplied, accurately supplying medication as needed and controlling the dosage. Therefore, this feeding and medication dosing device achieves precise automatic weighing and automatic medication dispensing, improving efficiency and accurately controlling the dosage. It is also compatible with feeding systems and can meet the rapid feeding needs of large-scale farms. Attached Figure Description

[0017] Figure 1 The diagram shown is a first-angle schematic of the feeding and medication administration device in an embodiment of this application.

[0018] Figure 2 The diagram shown is a second-angle schematic of the feeding and medication administration device in an embodiment of this application.

[0019] Figure 3 The diagram shown is a schematic diagram of the nozzle in an embodiment of this application;

[0020] Figure 4 The diagram shown is a schematic of the fixing frame in an embodiment of this application;

[0021] Figure 5 The image shown is a first-angle schematic diagram of the feeding and medication administration device in an embodiment of this application.

[0022] Figure 1 - Figure 5 middle:

[0023] 10. Dosing tank; 101. Dosing port; 11. Liquid filling pipe; 12. Liquid outlet pipe; 13. Circulation return pipe; 131. Horizontal nozzle; 132. Inclined nozzle; 133. Spiral nozzle; 14. Booster pump; 15. Sewage pipe;

[0024] 20. Fixture; 21. Top frame; 22. Column; 23. Bottom frame; 24. Base plate; 25. Support plate;

[0025] 30. Support sleeve; 31. Weight sensor; 32. Support ring; 33. Wing plate; 34. Connecting rod; 35. Reinforcing ring;

[0026] 40. Electrical control box. Detailed Implementation

[0027] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0028] Please refer to the attached document. Figure 1-5 This application provides a feeding and medication dosing device, which includes a fixed frame 20 and a dosing tank 10 mounted on the fixed frame 20. The dosing tank 10 is equipped with a dosing port 101, a liquid dosing pipe 11, and a liquid dispensing pipe 12. The liquid dosing pipe 11 is equipped with a liquid dosing valve, and the liquid dispensing pipe 12 is equipped with a liquid dispensing valve and a booster pump 14. The dosing port 101 is used to add medicine powder into the dosing tank 10, and the liquid dosing pipe 11 is used to connect to an external water supply line to add water into the tank. The medicine powder and water are evenly mixed in the dosing tank 10 to form a prepared medicine solution. The liquid dispensing pipe 12 can be connected to an external pipeline, and the prepared medicine solution can be delivered externally by opening the liquid dispensing valve and the booster pump 14.

[0029] Meanwhile, a weighing device for weighing the dosing tank 10 is installed on the mounting frame 20. The weighing device includes a weight sensor 31 located at the support point supporting the dosing tank 10 and a controller that is communicatively connected to the weight sensor 31. The controller is electrically connected to the weight sensor 31, the liquid dosing valve, the liquid dispensing valve, and the booster pump 14. The controller adjusts the opening and closing of the liquid dosing valve, the liquid dispensing valve, and the booster pump 14 based on the feedback from the weight sensor 31.

[0030] This setup, by acquiring data feedback from the weight sensor 31 via the controller, allows for real-time monitoring of weight changes in the dosing tank 10. This enables precise control of the water intake and the ratio of powder to water when adding water for medication, improving dosing quality. Once the medication is prepared, opening the outlet valve automatically dispenses the solution, controlling the weight and volume of the output solution to ensure precise, on-demand medication supply. Therefore, this feeding and medication dosing device achieves precise automatic weighing and dispensing, improving efficiency and accurately controlling the amount of medication. It is also compatible with feeding systems; for example, connecting the outlet pipe 12 to the feeding system's delivery pipe allows for multiple, on-demand automatic medication supplies, meeting the rapid feeding needs of large-scale farms, significantly saving manpower, and improving feeding and breeding efficiency.

[0031] The dosing tank 10 is equipped with a liquid level sensor, which is configured to limit the liquid level during dosing, enabling quantitative liquid injection into the tank while maintaining a gap between the liquid level and the top wall of the dosing tank 10. This configuration allows for precise water injection, limiting the required water volume, and then accurately mixing with the powder. For example, the water volume for each tank can be precisely controlled, and after adding the powder and mixing, a tank containing a known amount of solution can be prepared. Simultaneously, maintaining a gap between the liquid level and the top wall of the dosing tank 10 prevents the liquid from filling the entire tank, which would hinder rotation and stirring, and also prevents powder from adhering to the top wall and becoming difficult to rinse off.

[0032] The dosing tank 10 is also equipped with a circulation return pipe 13. One end of the circulation return pipe 13 is connected to the liquid outlet at the bottom of the dosing tank 10, and the other end extends into the dosing tank 10 from the top. The circulation return pipe 13 is also equipped with a booster pump 14 electrically connected to the controller and configured to allow the liquid in the dosing tank 10 to flow out through the liquid outlet and then flow back into the dosing tank 10.

[0033] The circulating return pipe 13 allows the liquid in the tank to flow through the outlet into the return pipe and then back into the tank. This circulating flow can significantly enhance the uniformity of the mixing of powder and water, and can also effectively prevent the powder from forming clumps, thereby improving the quality of the prepared medicine solution.

[0034] In some embodiments, such as Figure 3 As shown, the end of the recirculation pipe 13 that extends into the dosing tank 10 is provided with a horizontal nozzle 131 and / or an inclined nozzle 132.

[0035] The outlet of the horizontal nozzle 131 faces the inner wall of the dosing tank 10, and the angle between the axial direction of the outlet and the radial direction of the dosing tank 10 does not exceed 15°. That is, the axial direction of the outlet and the radial direction of the dosing tank 10 are parallel, substantially parallel, or have a slight angle. When the horizontal nozzle 131 sprays liquid, the liquid directly impacts the inner wall of the dosing tank 10 and then flows towards the center of the tank. Continuous spraying causes the liquid inside the tank to form a vortex and rotate, thereby achieving agitation.

[0036] The feeding and dosing tank 10 provided in this application does not require stirring blades inside the tank. Instead, it uses a horizontally or nearly horizontally positioned nozzle 131 to spray liquid onto the inner wall of the tank, causing the liquid to form a vortex and rotate, thereby achieving a stirring effect and uniformly mixing materials such as powdered drugs and liquids. In this way, mixing of liquids and materials can be achieved without the use of stirring blades. The nozzle occupies very little space, has a simple structure, significantly increases the effective volume inside the tank, increases the feed capacity per tank, simplifies the structure, manufacturing, and transportation of the dosing tank 10, and reduces the overall weight. At the same time, it is also easy to clean the inside of the tank, solving the problem that stirring blades are not easy to clean.

[0037] Preferably, the axial direction of the liquid outlet of the horizontal nozzle 131 is parallel to the radial direction of the dosing tank 10; in this case, the effect of forming a vortex after spraying is better.

[0038] The outlet of the inclined nozzle 132 is tilted downwards, forming an angle with both the radial and axial directions of the dosing tank 10. The combination of the inclined nozzle 132 and the horizontal nozzle 131 can promote the rapid formation of vortices and enhance the stirring effect; at the same time, the inclined nozzle 132 can powerfully impact the powder suspended on the water surface, preventing the formation of clumps and promoting the uniform mixing of powder and water.

[0039] The horizontal nozzle 131 and / or inclined nozzle 132 are provided at the end of the circulation return pipe 13. In addition to the above advantages, this avoids the lack of stirring and rinsing during the circulation process. Since the circulation time is definitely longer than the time required to add water to the tank, stirring and rinsing can be carried out for a longer period of time until the preparation is completed and the circulation stops. In this way, the preparation quality can be effectively improved.

[0040] In some embodiments, the inclined nozzle 132 is positioned above the horizontal nozzle 131, and the outlet of the inclined nozzle 132 is provided with a spiral nozzle 133. Specifically, the spiral nozzle 133 can be an inner spiral nozzle or an outer spiral nozzle; both types of spiral nozzles 133 can produce a solid cone-shaped or hollow cone-shaped spray, with a spray angle typically between 60 degrees and 170 degrees. Exemplarily, the spiral nozzle 133 is in the shape of a hollow cone, having a conical inner cavity, and not only has a nozzle at its axial end, but also multiple nozzles are provided axially on the conical surface, with the nozzles on the conical surface extending in a spiral pattern.

[0041] The spiral nozzle 133 creates a rotating liquid flow when sprayed, achieving uniform spraying. Furthermore, since the spiral nozzle 133 is positioned above the horizontal nozzle 131, its spray range covers the liquid surface, as well as the inner and top walls of the tank above the liquid level. This allows it to strike suspended powder on the liquid surface, causing it to sink and mix. It also sprays the inner and top walls of the tank above the liquid level, washing away powder adhering to the walls and mixing it with water. This avoids affecting the final mixing effect and ratio, and also prevents excessive powder residue at the top of the tank.

[0042] Preferably, the angle between the axial direction of the outlet of the inclined nozzle 132 and the axial direction of the dosing tank 10 is 30°-45°. This allows the spiral nozzle 133 to spray more effectively onto the top wall of the tank, washing away some of the powder that has adhered to the top wall of the tank due to the stirring of the liquid.

[0043] After discharging the prepared mixture, the dosing tank 10 needs to be cleaned. Therefore, in some embodiments, the dosing tank 10 is also equipped with a drain pipe 15, which is connected to the discharge port of the dosing tank 10 and is equipped with a drain valve. In this way, the wastewater after cleaning the tank is discharged through the dedicated drain pipe 15 and will not occupy the feeding pipe.

[0044] A main discharge pipe can be connected to the discharge port of the dosing tank 10. One end of the main discharge pipe is connected to the drain pipe 15, and the other end is connected to the booster pump 14. The circulation return pipe 13 and the liquid outlet pipe 12 are both connected to the booster pump 14. In this way, the circulation return pipe 13 and the liquid outlet pipe 12 are both downstream of the booster pump 14, and the two pipes can share one booster pump 14, eliminating the need to install two pumps, simplifying the structure and reducing costs.

[0045] The mounting bracket 20 needs to secure and support the dosing tank 10 so that a weight sensor 31 can be installed at the support point. In some embodiments, such as Figure 4 and Figure 5 As shown, the mounting frame 20 is equipped with a support sleeve 30 for suspending the dosing tank 10. At least two wing plates 33 extend from the support sleeve 30. The wing plates 33 overlap the main body of the mounting frame 20, and a weight sensor 31 is installed between the wing plates 33 and the main body. Compared with supporting the bottom of the dosing tank 10 with a base and installing a weight sensor 31 at the bottom, fixing and suspending the dosing tank 10 with the support sleeve 30 and installing a weight sensor 31 at the overlap support point between the wing plates 33 and the mounting frame 20 provides accurate measurement and effectively protects and fixes the dosing tank 10, preventing the dosing tank 10 from tilting or shaking, which would be detrimental to stability and affect weighing.

[0046] Specifically, the support sleeve 30 includes a support ring 32 supported at the bottom of the dosing tank 10 and a side wall disposed circumferentially on the support ring 32. The support ring 32 and the side wall form a cylindrical cavity. The lower part of the dosing tank 10 is inserted into the cylindrical cavity, and the wing plate 33 is disposed on the side wall.

[0047] The side panel can be a hollow structure. For example, the side panel includes a plurality of connecting rods 34 spaced circumferentially along the support ring 32, and a reinforcing ring 35 connected to the top of the plurality of connecting rods 34 and used to be fitted onto the dosing tank 10. The connecting rods 34 connect the reinforcing ring 35 and the support ring 32, and the wing plates 33 can be set on the reinforcing ring 35 and extend from both sides of the reinforcing ring 35.

[0048] Of course, in other embodiments, the fixing frame 20 may also be provided with a ring hoop that is sleeved on and tightens the dosing tank 10, with at least two support wings extending from the ring hoop. The fixing frame 20 is provided with a support seat, which supports the support wings one-to-one and suspends the dosing tank 10. Each support seat is provided with a weighing sensor.

[0049] For example, the mounting frame 20 is a hollow box shape, including a bottom frame 23, a top frame 21, and columns 22. Multiple columns 22 are arranged circumferentially, for example, four, and connect the bottom frame 23 and the top frame 21. A support sleeve 30 is disposed inside the mounting frame 20. A support plate 25 extends from the mounting frame 20. The support plate 25 and the wing plate 33 are configured one-to-one. The support sleeve 30 overlaps with and is suspended on the support plate 25 through the wing plate 33, thereby stably supporting the dosing tank 10.

[0050] The booster pump 14 is mounted on the base plate 24 of the mounting bracket 20 and is supported and fixed by the base plate 24. The controller can be installed inside the electrical control box 40, which can be suspended inside the protective fence via a connecting plate.

[0051] This application also provides a feeding system, including a feed preparation bin, a feed conveying pipe, and a feeding dosing device as described in any of the preceding embodiments, wherein the liquid outlet pipe 12 of the feeding dosing device is connected to the feed preparation bin or the conveying pipe. Thus, the feeding system has a feeding dosing device that automatically provides medication on demand, possessing the structure and corresponding beneficial effects described in the above embodiments, which will not be repeated here.

[0052] The basic principles of this application have been described above with reference to specific embodiments. However, it should be noted that the advantages, benefits, and effects mentioned in this application are merely examples and not limitations, and should not be considered as essential features of each embodiment of this application. Furthermore, the specific details disclosed above are for illustrative and facilitative purposes only, and are not limitations. These details do not limit the application to the necessity of employing the aforementioned specific details for implementation.

[0053] The components and devices described in this application are merely illustrative examples and are not intended to require or imply that they must be connected, arranged, or configured in the manner shown in the accompanying drawings. As those skilled in the art will recognize, these components and devices can be connected, arranged, and configured in any manner. Words such as “comprising,” “including,” “having,” etc., are open-ended terms meaning “including but not limited to,” and are used interchangeably with them. The terms “or” and “and” as used herein refer to the words “and / or,” and are used interchangeably with them unless the context clearly indicates otherwise. The term “such as” as used herein refers to the phrase “such as but not limited to,” and is used interchangeably with it.

[0054] It should also be noted that in the apparatus and equipment of this application, the components can be disassembled and / or reassembled. These disassemblies and / or reassemblies should be considered as equivalent solutions of this application.

[0055] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use this application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein can be applied to other aspects without departing from the scope of this application. Therefore, this application is not intended to be limited to the aspects shown herein, but rather to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0056] The above description has been given for purposes of illustration and description. Furthermore, this description is not intended to limit the embodiments of this application to the forms disclosed herein. Although numerous exemplary aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, alterations, additions, and sub-combinations thereof.

[0057] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications or equivalent substitutions made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A feeding and medication administration device, characterized in that, It includes a fixed frame (20) and a dosing tank (10) set on the fixed frame (20). The dosing tank (10) is provided with a dosing port (101), a liquid dosing pipe (11) and a liquid outlet pipe (12). The liquid dosing pipe (11) is provided with a liquid dosing valve, and the liquid outlet pipe (12) is provided with a liquid outlet valve and a booster pump (14). The fixed frame (20) is provided with a weighing device for weighing the dosing tank (10). The weighing device includes a weight sensor (31) located at the support point supporting the dosing tank (10) and a controller that is communicatively connected to the weight sensor (31). The controller adjusts the opening and closing of the liquid dosing valve, the liquid outlet valve and the booster pump (14) according to the feedback from the weight sensor (31). The fixed frame (20) is provided with a support sleeve (30) for suspending the dosing tank (10). At least two wing plates (33) extend from the support sleeve (30). The wing plates (33) overlap the main body of the fixed frame (20) and the weight sensor (31) is provided between the wing plates (33) and the main body. The support sleeve (30) includes a support ring (32) supported at the bottom of the dosing tank (10) and a side wall arranged circumferentially on the support ring (32). The support ring (32) and the side wall form a cylindrical cavity, and the lower part of the dosing tank (10) is inserted into the cylindrical cavity.

2. The feeding and medication administration device as described in claim 1, characterized in that, The dosing tank (10) is equipped with a liquid level sensor, which is configured to limit the liquid level during dosing, so as to quantitatively add liquid and ensure that the liquid level is spaced from the top wall of the dosing tank (10).

3. The feeding and medication administration device as described in claim 1, characterized in that, The dosing tank (10) is also provided with a circulation return pipe (13). One end of the circulation return pipe (13) is connected to the liquid outlet at the bottom of the dosing tank (10), and the other end extends into the dosing tank (10) from the top. The circulation return pipe (13) is also provided with a booster pump (14) electrically connected to the controller and configured to allow the liquid in the dosing tank (10) to flow out through the liquid outlet and then flow back into the dosing tank (10).

4. The feeding and medication administration device as described in claim 3, characterized in that, The circulating return pipe (13) is provided with a horizontal nozzle (131) and / or an inclined nozzle (132). The outlet of the horizontal nozzle (131) faces the inner wall of the dosing tank (10) and the angle between its axial direction and the radial direction of the dosing tank (10) does not exceed 15°; the outlet of the inclined nozzle (132) is inclined downward and has an angle with both the radial and axial directions of the dosing tank (10).

5. The feeding and medication administration device as described in claim 4, characterized in that, The inclined nozzle (132) is positioned above the horizontal nozzle (131), and the outlet of the inclined nozzle (132) is provided with a spiral nozzle (133).

6. The feeding and medication administration device as described in claim 3, characterized in that, The bottom outlet of the dosing tank (10) is connected to a main discharge pipe, and a booster pump (14) is installed on the main discharge pipe. The liquid outlet pipe (12) is connected to the circulation return pipe (13) and is located downstream of the booster pump (14). The liquid outlet pipe (12) is equipped with a liquid outlet valve, and the circulation return pipe (13) is equipped with a return valve.

7. The feeding and medication administration device as described in claim 1, characterized in that, It is also equipped with a drain pipe (15), which is connected to the discharge port of the dosing tank (10) and is equipped with a drain valve.

8. A feeding system, characterized in that, It includes a feed preparation box for preparing feed, a feed conveying pipe for conveying feed, and a feeding and dosing device as described in any one of claims 1-7, wherein the liquid outlet pipe (12) is connected to the feed preparation box or the feed conveying pipe.