Feed additive mixing and filtering device

Abstract

The utility model relates to a feed additive mixing and filtering device. Comprising a stirring tank, a discharging valve is installed at the bottom of the stirring tank, and an impurity removal discharging opening is formed in the lower portion of the peripheral wall of the stirring tank; the discharging filter plate and the stirring and scraping assembly are mounted in the stirring tank, and the stirring motor is mounted at the top of the stirring tank; the device further comprises an impurity removal barrel structure installed at the top of the stirring tank, a discharging opening of the impurity removal barrel structure is communicated and connected with a fluid feeding opening formed in the top of the stirring tank, and a filter barrel structure and a rotary cleaning assembly are installed in the impurity removal barrel structure. The stirring and scraping assembly comprises a stirring rotating shaft, a first frame structure and a second frame structure are mounted on the stirring rotating shaft, a plurality of first stirring blades and a plurality of first scraping plates are mounted on the first frame structure, and a plurality of second stirring blades and a plurality of second scraping plates are mounted on the second frame structure; and the discharging guide plate is mounted outside the lower end of the second frame structure. According to the utility model, raw materials can be efficiently and fully stirred and mixed, filtering and impurity removing operations are carried out before and after stirring and mixing, and a filtering element is cleaned, so that the working efficiency and the quality of finished products are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of feed production equipment, and in particular relates to a feed additive mixing and filtering device. Background Art

[0002] Feed additives refer to small or trace substances added during the production, processing and use of feed. They are used in small amounts in feed but have significant effects. Feed additives are raw materials that must be used in the modern feed industry. They have obvious effects on strengthening the nutritional value of basic feed, improving animal production performance, ensuring animal health, saving feed costs, and improving the quality of livestock products.

[0003] As the requirements of application terminals for feed products continue to increase, the development of feed additive products is also facing new challenges. Among them, multi-component synergy and micro-quantification are important directions for the development of feed additive products. In actual production, multi-component system feed additive products require multiple solid material mixing processes and solid material and liquid material mixing processes. Therefore, the uniformity of mixing and the effectiveness of separation and recovery of excess materials are important key points that feed additive mixing equipment needs to continuously improve.

[0004] However, the existing feed additive mixing and stirring device has a relatively simple structure, and is not equipped with a filtering device or the filtering device is difficult to disassemble and clean, which affects the production efficiency of the feed additive and the quality of the finished product; in addition, the stirring component structure in the existing feed additive mixing and stirring device is relatively simple, and the raw materials cannot be fully mixed in a short time, which makes the working efficiency of the mixing and stirring device relatively low. Therefore, it is urgent to design a feed additive mixing and filtering device to solve the above problems. Utility Model Content

[0005] The utility model provides a feed additive mixing and filtering device with a reasonable structural design to solve the technical problems existing in the known technology. The utility model can efficiently and fully stir and mix the feed additive raw materials, filter and remove impurities from the materials before and after stirring and mixing, and clean the filter element, thereby improving the working efficiency of the mixing and filtering device and the quality of the finished product.

[0006] The utility model adopts the following technical scheme to solve the technical problems existing in the known technology: a feed additive mixing and filtering device comprises a stirring tank with a plurality of groups of legs fixedly connected to the bottom and a feeding port arranged on the top, a discharge port is arranged at the bottom of the stirring tank and a discharge valve is installed at the discharge port, a de-impurity discharge port is arranged at the lower part of the outer peripheral wall of the stirring tank and a buckle cover which is pivotally connected and locked with the de-impurity discharge port is arranged; a discharge filter plate corresponding to the lower edge of the de-impurity discharge port installed in the stirring tank is used for filtering and removing impurities from the material in the stirring tank; a stirring scraper assembly located above the discharge filter plate is installed in the inner cavity of the stirring tank for stirring the material and cleaning the discharge filter plate; a stirring motor installed at the top of the stirring tank is used for driving the stirring scraper assembly to rotate; and A debris removal barrel structure is installed on the top of the stirring tank, and the discharge port of the debris removal barrel structure is connected to the fluid feed port installed on the top of the stirring tank. A filter barrel structure is installed in the debris removal barrel structure for filtering the fluid flowing into the debris removal barrel structure; it also includes a rotating cleaning component for cleaning the inner wall of the filter barrel structure; the stirring and scraping component includes a stirring shaft connected to the stirring motor, a first frame structure and a second frame structure are installed on the stirring shaft in a centrally symmetrical manner with respect to the stirring shaft, a plurality of first stirring blades and a plurality of first scraping plates distributed in an array are installed on the first frame structure, and a plurality of second stirring blades and a plurality of second scraping plates distributed in an array are installed on the second frame structure; it also includes a discharge guide plate installed on the outside of the lower end of the second frame structure for guiding the material outward.

[0007] The advantages and positive effects of the utility model are as follows: the utility model provides a feed additive mixing and filtering device, which can filter the materials in the mixing tank by setting a discharge filter plate, and can efficiently and fully mix the solid raw materials and liquid raw materials put into the mixing tank by setting a stirring scraper component, and can filter the mixed materials during unloading. After the unloading operation is completed, the rotating stirring scraper component can guide the impurities intercepted by the discharge filter plate to the impurity removal discharge port, so as to facilitate the staff to manually clean out the impurities; by setting an impurity removal cylinder structure and a filter cylinder structure, the fluid raw materials injected into the mixing tank can be pre-filtered to avoid impurities in the fluid raw materials entering the mixing tank and affecting the quality of the product; by setting a rotating cleaning component, the inner wall of the filter cylinder structure can be cleaned after a preset working time, to avoid clogging of the filter cylinder structure after long-term operation and affecting the normal working of the mixing and filtering device, thereby improving the working efficiency of the mixing operation.

[0008] Preferably: the first frame structure includes a first stirring cross bar which is laterally arranged and fixed on the stirring shaft, and a plurality of groups of first stirring vertical plates distributed along its axial direction are installed on the first stirring cross bar, and connecting plates are installed between two adjacent groups of first stirring vertical plates and between the first stirring vertical plates located inside and the stirring shaft; a plurality of first stirring blades are evenly distributed along the length direction of the first stirring vertical plates, and a plurality of first scraper plates are respectively installed at the bottom of each first stirring vertical plate.

[0009] Preferably: the second frame structure includes a second stirring cross bar which is laterally arranged and fixed on the stirring shaft, and a plurality of groups of second stirring vertical plates distributed along its axial direction are installed on the second stirring cross bar, and connecting plates are installed between two adjacent groups of second stirring vertical plates and between the second stirring vertical plates located inside and the stirring shaft; a plurality of second stirring blades are evenly distributed along the length direction of the second stirring vertical plates, and a plurality of second scraper plates are respectively installed at the bottom of each second stirring vertical plate.

[0010] Preferably: the impurity removal cylinder structure includes a fluid treatment cylinder fixedly connected to the top of the stirring tank through a support rod, a cylinder top cover is installed at the top open part of the fluid treatment cylinder, and a sewage outlet is arranged at the bottom of the fluid treatment cylinder; a fluid inlet is connected to the upper part of the outer peripheral wall of the fluid treatment cylinder, and a fluid outlet is connected to the lower part of the outer peripheral wall of the fluid treatment cylinder; it also includes a mounting ring fixed to the inner wall of the fluid treatment cylinder and located below the fluid inlet; it also includes a discharge port connected to the lower part of the outer peripheral wall of the fluid treatment cylinder.

[0011] Preferably: the filter cartridge structure includes a filter cartridge body and an overflow mounting cartridge that are butt-mounted, the filter cartridge body being connected to a mounting ring fixed to the inner wall of the fluid treatment cartridge by bolts; a plurality of filter holes are provided on the outer peripheral wall of the filter cartridge body, the bottom outlet of the filter cartridge body is inserted into the sewage outlet, and the upper port of the overflow mounting cartridge is lower than the upper port of the fluid treatment cartridge; a rotating sleeve is provided at the center of the overflow mounting cartridge and is connected to the inner wall of the overflow mounting cartridge through a plate, and a rotating cleaning assembly passes through the rotating sleeve and is rotatably connected to the rotating sleeve.

[0012] Preferably: the rotary cleaning assembly includes a cleaning motor fixedly connected to the top of the impurity removing barrel structure, a cleaning shaft penetrating the impurity removing barrel structure and rotatably connected thereto is installed on the output shaft of the cleaning motor, a barrel shaft connecting rod extending radially thereof is installed on the cleaning shaft and a scraper mounting barrel is fixedly connected thereto through the barrel shaft connecting rod, the scraper mounting barrel is located in the filter barrel structure, and a plurality of groups of inner wall scrapers distributed circumferentially are installed on the outer peripheral wall of the scraper mounting barrel for cleaning the inner wall of the filter barrel structure.

[0013] Preferably: it also includes a liquid spray pipe structure installed on the top of the stirring tank, the liquid spray pipe structure includes a liquid inlet pipe connected to the liquid source through a pipeline and a pump body, and a liquid distribution branch pipe is connected to the liquid inlet pipe. The liquid outlet of each liquid distribution branch pipe is located inside the stirring tank and is installed with a spray head. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the main cross-sectional structure of the utility model;

[0015] Figure 2 It is a three-dimensional schematic diagram of the upper main structure of the utility model;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the filter cartridge structure in the utility model;

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the rotary cleaning component in the utility model;

[0018] Figure 5 It is a three-dimensional structural schematic diagram of the stirring and scraping assembly in the utility model.

[0019] In the figure: 1. discharge valve; 2. discharge filter plate; 3. rotating support sleeve; 4. impurity removal discharge port; 5. stirring scraper assembly; 5-1. first scraper plate; 5-2. first stirring blade; 5-3. first stirring vertical plate; 5-4. first stirring cross bar; 5-5. stirring shaft; 5-6. second stirring cross bar; 5-7. second stirring vertical plate; 5-8. second stirring blade; 5-9. discharge guide plate; 5-10. second scraper plate; 6. stirring tank; 7. feeding port; 8. liquid spray pipe structure; 9. stirring motor; 10. Fluid feed port; 11. De-impurity cylinder structure; 11-1. Fluid outlet; 11-2. Sewage outlet; 11-3. Discharge port; 11-4. Fluid treatment cylinder; 11-5. Fluid inlet; 11-6. Cylinder top cover; 12. Filter cylinder structure; 12-1. Filter cylinder body; 12-2. Overflow mounting cylinder; 13. Rotating cleaning assembly; 13-1. Cylinder shaft connecting rod; 13-2. Inner wall scraper; 13-3. Scraper mounting cylinder; 13-4. Cleaning shaft; 13-5. Cleaning motor; 14. Support legs. DETAILED DESCRIPTION

[0020] In order to further understand the content, features and effects of the present invention, the following embodiments are described in detail as follows:

[0021] See also Figure 1 The feed additive mixing and filtering device of the utility model includes a stirring tank 6 with multiple groups of legs 14 fixedly connected to the bottom and a feeding port 7 arranged on the top, a discharge port is arranged at the bottom of the stirring tank 6 and a discharge valve 1 is installed at the discharge port, and a de-impurity discharge port 4 is arranged at the lower part of the outer peripheral wall of the stirring tank 6 and a buckle cover pivotally connected to the de-impurity discharge port 4 and locked thereto.

[0022] In order to filter the material, the present embodiment also includes a discharge filter plate 2 installed in the stirring tank 6 corresponding to the lower edge of the impurity removal discharge port 4, which is used to filter and remove impurities from the material in the stirring tank 6; a stirring scraper assembly 5 is installed in the inner cavity of the stirring tank 6 above the discharge filter plate 2, which is used to stir the material and clean the discharge filter plate 2; and also includes a stirring motor 9 installed on the top of the stirring tank 6, which is used to drive the stirring scraper assembly 5 to rotate.

[0023] like Figure 5 As shown, the above-mentioned stirring and scraping assembly 5 includes a stirring shaft 5-5 connected to a stirring motor 9, a first frame structure and a second frame structure are installed on the stirring shaft 5-5, which are centrally symmetrically arranged, a plurality of first stirring blades 5-2 and a plurality of first scraping plates 5-1 distributed in an array are installed on the first frame structure, and a plurality of second stirring blades 5-8 and a plurality of second scraping plates 5-10 distributed in an array are installed on the second frame structure; and also includes a discharge guide plate 5-9 installed on the outside of the lower end of the second frame structure for guiding materials outward. In addition, in order to facilitate installation and rotation stability, this embodiment also includes a rotating support sleeve 3 fixedly connected to the lower part of the inner cavity of the stirring tank 6 through a support plate, and the stirring shaft 5-5 in the stirring and scraping assembly 5 is rotatably connected to the rotating support sleeve 3 through a copper sleeve.

[0024] The first frame structure includes a first stirring cross bar 5-4 that is fixedly connected to the stirring shaft 5-5 and is laterally arranged. A plurality of first stirring vertical plates 5-3 distributed along its axial direction are installed on the first stirring cross bar 5-4. Connecting plates are installed between two adjacent groups of first stirring vertical plates 5-3 and between the first stirring vertical plates 5-3 located inside and the stirring shaft 5-5. Each connecting plate is tilted. A plurality of first stirring blades 5-2 are evenly distributed along the length direction of the first stirring vertical plates 5-3. A plurality of first scraper plates 5-1 are respectively installed at the bottom of each first stirring vertical plate 5-3. Each first scraper plate 5-1 is pivotally connected to the lower end of the corresponding first stirring vertical plate 5-3 through a pin shaft. The lower end of each first stirring vertical plate 5-3 is fixedly connected with a limit plate disposed on both sides of the corresponding first scraper plate 5-1.

[0025] like Figure 5 As shown, the above-mentioned second frame structure includes a second stirring cross bar 5-6 which is fixedly connected to the stirring shaft 5-5 and is laterally arranged, and a plurality of groups of second stirring vertical plates 5-7 distributed along its axial direction are installed on the second stirring cross bar 5-6, and connecting plates are installed between two adjacent groups of second stirring vertical plates 5-7 and between the second stirring vertical plates 5-7 located inside and the stirring shaft 5-5, and each connecting plate is inclined; a plurality of second stirring blades 5-8 are evenly distributed along the length direction of the second stirring vertical plates 5-7, and a plurality of second scraper plates 5-10 are respectively installed at the lower part of each second stirring vertical plate 5-7.

[0026] Each second scraper plate 5-10 is pivotally connected to the lower end of the corresponding second stirring vertical plate 5-7 through a pin shaft, and a limit plate disposed on both sides of the corresponding second scraper plate 5-10 is fixedly connected to the lower end of each second stirring vertical plate 5-7. In this embodiment, the plurality of first stirring blades 5-2 and the plurality of second stirring blades 5-8 are tilted; the direction of the plurality of first scraper plates 5-1 is opposite to the direction of the plurality of second scraper plates 5-10.

[0027] Further information Figure 1 This embodiment also includes a debris removal barrel structure 11 installed on the top of the stirring tank 6, the discharge port of the debris removal barrel structure 11 is connected to the fluid feed port 10 installed on the top of the stirring tank 6, and a filter barrel structure 12 is installed in the debris removal barrel structure 11 for filtering the fluid flowing into the debris removal barrel structure 11; and also includes a rotating cleaning component 13 for cleaning the inner wall of the filter barrel structure 12.

[0028] like Figure 2 As shown, the above-mentioned impurity removal cylinder structure 11 includes a fluid treatment cylinder 11-4 fixedly connected to the top of the stirring tank 6 through a support rod, a cylinder top cover 11-6 is installed at the top open part of the fluid treatment cylinder 11-4, a sewage outlet 11-2 is arranged at the bottom of the fluid treatment cylinder 11-4, and a control valve is installed on the sewage outlet 11-2. A fluid inlet 11-5 is connected to the upper part of the outer peripheral wall of the fluid treatment cylinder 11-4, and a fluid outlet 11-1 is connected to the lower part of the outer peripheral wall of the fluid treatment cylinder 11-4; the fluid outlet 11-1 and the fluid inlet 11-5 are distributed on both sides of the fluid treatment cylinder 11-4. It also includes a mounting ring fixed to the inner wall of the fluid treatment cylinder 11-4 and located below the fluid inlet 11-5; it also includes a discharge port 11-3 connected to the lower part of the outer peripheral wall of the fluid treatment cylinder 11-4, and a control valve is installed on the discharge port 11-3. The fluid outlet 11 - 1 is connected to the fluid feed port 10 via a pipeline, and a solenoid valve is installed on the pipeline.

[0029] See also Figure 2 and Figure 3 The filter cartridge structure 12 comprises a cartridge body 12-1 and an overflow mounting cartridge 12-2 which are mounted in a butt connection. The cartridge body 12-1 is connected to a mounting ring fixed to the inner wall of the fluid treatment cartridge 11-4 by bolts. A plurality of filter holes are provided on the outer peripheral wall of the cartridge body 12-1. The bottom outlet of the cartridge body 12-1 is inserted into the sewage outlet 11-2. The upper port of the overflow mounting cartridge 12-2 is lower than the upper port of the fluid treatment cartridge 11-4. A rotating sleeve connected to the inner wall of the overflow mounting cartridge 12-2 by a plate is provided at the center of the overflow mounting cartridge 12-2. The rotating cleaning assembly 13 passes through the rotating sleeve and is rotatably connected to the rotating sleeve.

[0030] like Figure 2and Figure 4 As shown, the above-mentioned rotating cleaning assembly 13 includes a cleaning motor 13-5 fixedly connected to the top of the impurity removing barrel structure 11, and a barrel top cover 11-6 penetrating the impurity removing barrel structure 11 is installed on the output shaft of the cleaning motor 13-5, and a cleaning shaft 13-4 rotatably connected to the barrel top cover 11-6 is installed on the cleaning shaft 13-4, and a barrel shaft connecting rod 13-1 extending radially thereof is installed on the cleaning shaft 13-4, and a scraper mounting barrel 13-3 is fixedly connected through the barrel shaft connecting rod 13-1, the scraper mounting barrel 13-3 is located in the filter barrel structure 12, and a plurality of groups of inner wall scrapers 13-2 distributed in a circumferential direction are installed on the outer peripheral wall of the scraper mounting barrel 13-3 for cleaning the inner wall of the filter barrel structure 12.

[0031] In this embodiment, the above-mentioned inner wall scrapers 13-2 are provided in three groups, and each inner wall scraper 13-2 is made of elastic stainless steel; each inner wall scraper 13-2 is an arc-shaped structure, and the outer end portion of each inner wall scraper 13-2 is bent outward and in friction contact with the inner wall of the filter cartridge body 12-1, so as to clean the inner wall of the filter cartridge body 12-1.

[0032] like Figure 1 As shown, this embodiment also includes a liquid spray pipe structure 8 installed on the top of the stirring tank 6, and the liquid spray pipe structure 8 includes a liquid inlet pipe connected to the liquid source through a pipeline and a pump body, and a liquid distribution branch pipe is connected to the liquid inlet pipe. The liquid outlet of each liquid distribution branch pipe is located inside the stirring tank 6 and is installed with a spray head.

[0033] Working principle:

[0034] Solid raw materials are poured into the stirring tank 6 through the feeding port 7, and fluid raw materials are introduced into the fluid processing cylinder 11-4 through the liquid pipeline and the fluid inlet 11-5. The fluid raw materials flow into the filter cartridge body 12-1 from the overflow mounting cylinder 12-2, and after impurities are filtered out by a number of filter holes opened on the filter cartridge body 12-1, the fluid flows out through the filter cartridge body 12-1 to the fluid processing cylinder 11-4, and flows into the stirring tank 6 through the fluid outlet 11-1 at the lower part of the fluid processing cylinder 11-4. After the fluid raw materials are introduced for a period of time, the cleaning motor 13-5 in the rotating cleaning assembly 13 is started to drive the cleaning shaft 13-4 and the scraper mounting cylinder 13-3 to rotate, thereby driving the inner wall scrapers 13-2 installed on the scraper mounting cylinder 13-3 to rotate synchronously, thereby scraping the inner wall of the filter cartridge body 12-1 to achieve the cleaning operation, and the cleaned impurities can be discharged through the sewage outlet 11-2;

[0035] Pure liquid medicine is sprayed into the stirring tank 6 from the liquid spray pipe structure 8, and then the stirring motor 9 is started to drive the stirring scraper assembly 5 connected thereto to rotate, thereby stirring and mixing the materials in the stirring tank 6. After a preset period of work, the discharge valve 1 is started to perform the discharge operation. During the discharge operation, the discharge filter plate 2 can play a filtering role to prevent impurities from being discharged from the discharge valve 1 installed at the lower end discharge port of the stirring tank 6; during the discharge process, the stirring motor 9 can be started to drive the stirring scraper assembly 5 to rotate to speed up the discharge operation, and at the same time, the rotating stirring scraper assembly 5 can clean the impurities trapped on the discharge filter plate 2. After completing the discharge operation, the rotating stirring scraper assembly 5 can move the impurities trapped on the discharge filter plate 2 toward the impurity removal discharge port 4, open the buckle cover locked and connected to the impurity removal discharge port 4, and manually clean the impurities guided to the impurity removal discharge port 4 out of the mixing and filtering device.

Claims

1. A feed additive mixing and filtering device, characterized in that: The invention comprises a stirring tank (6) having a plurality of groups of legs (14) fixedly connected to the bottom and a feeding port (7) arranged on the top, a discharge port arranged at the bottom of the stirring tank (6) and a discharge valve (1) installed at the discharge port, a de-impurity discharge port (4) arranged at the lower part of the outer peripheral wall of the stirring tank (6) and a buckle cover pivotally connected to the de-impurity discharge port (4) and locked and connected thereto; a discharge filter plate (2) installed in the stirring tank (6) and corresponding to the lower edge of the de-impurity discharge port (4) and used for filtering and removing impurities from the material in the stirring tank (6); a stirring scraper assembly (5) located above the discharge filter plate (2) and used for stirring the material and cleaning the discharge filter plate (2) installed in the inner cavity of the stirring tank (6); a stirring motor (9) installed on the top of the stirring tank (6) and used for driving the stirring scraper assembly (5) to rotate; and a de-impurity drum structure (11) installed on the top of the stirring tank (6), the discharge of the de-impurity drum structure (11) The stirring tank (6) is connected to a fluid feed port (10) installed on the top of the stirring tank (6); a filter cartridge structure (12) is installed in the impurity removal cartridge structure (11) for filtering the fluid flowing into the impurity removal cartridge structure (11); and also includes a rotating cleaning component (13) for cleaning the inner wall of the filter cartridge structure (12); the stirring scraper component (5) includes a stirring shaft (5-5) connected to the stirring motor (9); a first frame structure and a second frame structure are installed on the stirring shaft (5-5) and are centrally symmetrically arranged with respect to the stirring shaft (5-5); a plurality of first stirring blades (5-2) and a plurality of first scraper plates (5-1) are installed on the first frame structure and a plurality of second stirring blades (5-8) and a plurality of second scraper plates (5-10) are installed on the second frame structure; and also includes a discharge guide plate (5-9) installed on the outside of the lower end of the second frame structure for guiding the material outward.

2. The feed additive mixing and filtering device according to claim 1, characterized in that: The first frame structure comprises a first stirring cross bar (5-4) fixedly connected to the stirring shaft (5-5) and arranged transversely; a plurality of groups of first stirring vertical plates (5-3) distributed along the axial direction thereof are installed on the first stirring cross bar (5-4); connecting plates are installed between two adjacent groups of first stirring vertical plates (5-3) and between the first stirring vertical plates (5-3) and the stirring shaft (5-5) located inside; a plurality of first stirring blades (5-2) are evenly distributed along the length direction of the first stirring vertical plates (5-3); and a plurality of first scraper plates (5-1) are respectively installed at the bottom of each first stirring vertical plate (5-3).

3. The feed additive mixing and filtering device according to claim 1, characterized in that: The second frame structure comprises a second stirring cross bar (5-6) fixedly connected to the stirring shaft (5-5) and arranged transversely, a plurality of groups of second stirring vertical plates (5-7) distributed along the axial direction of the second stirring cross bar (5-6) are installed, and connecting plates are installed between two adjacent groups of second stirring vertical plates (5-7) and between the second stirring vertical plates (5-7) and the stirring shaft (5-5) located inside; a plurality of second stirring blades (5-8) are evenly distributed along the length direction of the second stirring vertical plates (5-7), and a plurality of second scraper plates (5-10) are respectively installed at the bottom of each second stirring vertical plate (5-7).

4. The feed additive mixing and filtering device according to claim 1, characterized in that: The impurity removal cylinder structure (11) includes a fluid treatment cylinder (11-4) fixedly connected to the top of the stirring tank (6) through a support rod, a cylinder top cover (11-6) is installed at the open top of the fluid treatment cylinder (11-4), and a sewage outlet (11-2) is arranged at the bottom of the fluid treatment cylinder (11-4); a fluid inlet (11-5) is connected to the upper part of the outer peripheral wall of the fluid treatment cylinder (11-4), and a fluid outlet (11-1) is connected to the lower part of the outer peripheral wall of the fluid treatment cylinder (11-4); it also includes a mounting ring fixed to the inner wall of the fluid treatment cylinder (11-4) and located below the fluid inlet (11-5); and it also includes a discharge port (11-3) connected to the lower part of the outer peripheral wall of the fluid treatment cylinder (11-4).

5. The feed additive mixing and filtering device according to claim 4, characterized in that: The filter cartridge structure (12) comprises a filter cartridge body (12-1) and an overflow mounting cartridge (12-2) which are mounted in a butt-jointed manner. The filter cartridge body (12-1) is connected to a mounting ring fixed to the inner wall of a fluid treatment cartridge (11-4) by means of bolts. A plurality of filter holes are provided on the outer peripheral wall of the filter cartridge body (12-1). The bottom outlet of the filter cartridge body (12-1) is inserted into the sewage outlet (11-2). The upper port of the overflow mounting cartridge (12-2) is lower than the upper port of the fluid treatment cartridge (11-4). A rotating sleeve is provided at the center of the overflow mounting cartridge (12-2) and is connected to the inner wall of the overflow mounting cartridge (12-2) by means of a plate. A rotating cleaning assembly (13) passes through the rotating sleeve and is rotationally connected to the rotating sleeve.

6. The feed additive mixing and filtering device according to claim 1, characterized in that: The rotary cleaning assembly (13) comprises a cleaning motor (13-5) fixedly connected to the top of the impurity removal barrel structure (11); a cleaning shaft (13-4) penetrating the impurity removal barrel structure (11) and rotatably connected thereto is mounted on the output shaft of the cleaning motor (13-5); a barrel shaft connecting rod (13-1) extending radially thereof is mounted on the cleaning shaft (13-4); a scraper mounting barrel (13-3) is fixedly connected to the barrel shaft connecting rod (13-1); the scraper mounting barrel (13-3) is located in the filter barrel structure (12); and a plurality of groups of inner wall scrapers (13-2) distributed in a circumferential direction are mounted on the outer peripheral wall of the scraper mounting barrel (13-3) for cleaning the inner wall of the filter barrel structure (12).

7. The feed additive mixing and filtering device according to claim 1, characterized in that: The invention also includes a liquid spraying pipe structure (8) installed on the top of the stirring tank (6), the liquid spraying pipe structure (8) includes a liquid inlet pipe connected to a liquid source through a pipeline and a pump body, and a liquid distribution branch pipe is connected to the liquid inlet pipe, and the liquid outlet of each liquid distribution branch pipe is located inside the stirring tank (6) and is installed with a spray head.

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