Milk impurity filtering device

Abstract

The utility model belongs to the technical field of milk processing, and discloses a milk impurity filtering device which comprises a filtering box, a sealing box cover and a filtering net plate, one side of an inner cavity of the filtering box communicates with a water inlet pipe and a milk inlet pipe, and the bottom of the other side of the inner cavity of the filtering box communicates with a milk outlet pipe; a plurality of mounting seats are uniformly mounted on the bottom surface of the sealing box cover, mounting screw holes are correspondingly formed in the mounting seats and the filter screen plate, mounting bolts are screwed in the mounting screw holes, four mounting blocks are symmetrically and fixedly mounted on the side walls of the two sides of the filter box, and guide sliding rods are fixedly mounted on the three mounting blocks; according to the device, a user can conveniently disassemble and clean the filter screen plate after the filter screen plate is used for a period of time, communication and connection of the milk inlet pipe and the water inlet pipe cannot be affected, installation and disassembly are simpler and more convenient, time and labor are saved, and the device is convenient to use and popularize. And the practicability is higher.

Description

Technical Field

[0001] This application relates to the field of dairy processing technology, and more specifically, to a milk impurity filtration device. Background Technology

[0002] Milk is a common dairy product. Cow's milk and its products are one of the important sources of protein, calcium, phosphorus, vitamin A, vitamin D and vitamin B2 in the diet. During the production and processing of milk, it is necessary to filter impurities from the raw milk in order to improve the quality of subsequent milk processing. For this purpose, a milk impurity filtration device is needed.

[0003] A search revealed application number CN202320252418.6, which describes a milk filtration device that is easy to clean. In this invention, milk to be filtered is introduced into the inner cavity of the filtration device through the inlet. Several filter screens installed within the inner cavity filter the milk to remove impurities. However, the filter screens are fixedly installed inside the filtration device, requiring the top of the device body to be opened via a hinge to disassemble, clean, and replace them. This operation is cumbersome and inconvenient, and it also affects the connection and installation of the inlet and water inlet connected to the filtration device, making its practicality rather limited.

[0004] To address the aforementioned problems, this application provides a milk impurity filtration device. Utility Model Content

[0005] The milk impurity filtration device provided in this application adopts the following technical solution:

[0006] A milk impurity filtration device includes a filter box, a sealed box cover, and a filter screen. A water inlet pipe and a milk inlet pipe are respectively connected to one side of the filter box's inner cavity, and a milk outlet pipe is connected to the bottom of the other side of the filter box's inner cavity. Several mounting seats are evenly installed on the bottom surface of the sealed box cover. Mounting screw holes are correspondingly opened on the mounting seats and the filter screen, and mounting bolts are screwed into the mounting screw holes. Four mounting blocks are symmetrically fixedly installed on the two side walls of the filter box. Guide slide rods are fixedly installed on three of the mounting blocks, and a lifting screw is installed on one of the mounting blocks. The bottom end of the lifting screw is connected to the output end of a second servo motor. Four connecting blocks are symmetrically fixedly installed on both sides of the sealed box cover. Guide sleeves are fixedly installed on three of the connecting blocks, and guide slide rods are sleeved inside the guide sleeves. A second screw sleeve is fixedly installed on one of the connecting blocks, and the second screw sleeve cooperates with the lifting screw.

[0007] The above technical solution makes it easy for users to disassemble and clean the filter screen after a period of use, without affecting the connection between the milk inlet pipe and the water inlet pipe. Installation and disassembly are simpler and more convenient, saving time and effort, and making it more practical.

[0008] Furthermore, a fixing frame is fixedly installed on one side wall of the filter box, and a first servo motor is installed on the fixing frame. A stirring shaft is installed in the inner cavity of the filter box, and several stirring rods are evenly fixedly installed on the stirring shaft. One end of the stirring shaft is connected to the output end of the first servo motor. A bearing bracket is fixedly installed on the bottom surface of the filter box, and a drive shaft is installed on the bearing bracket. A drive screw is fixedly installed on one end of the drive shaft. A first pulley is fixedly installed on the stirring shaft, and a second pulley is fixedly installed on the drive shaft. A transmission belt is sleeved between the first pulley and the second pulley. A piston plate is installed on one side of the inner cavity of the filter box, and a push rod is fixedly connected to the center of the side wall of the piston plate. A push plate is fixedly installed on the other end of the push rod. A first screw sleeve is fixedly installed on the push plate, and the first screw sleeve cooperates with the drive screw.

[0009] The above technical solution enables continuous and rapid squeezing, filtration and impurity removal of milk, which helps to improve the working efficiency of the device and makes it more practical.

[0010] Furthermore, a sealing ring is fixedly installed on the bottom surface of the sealing box cover, and a sealing groove is provided on the edge of the top surface of the filter box.

[0011] The above technical solution can improve the sealing effect between the sealing box cover and the filter box.

[0012] Furthermore, solenoid valves are installed on the water inlet pipe, milk inlet pipe, and milk outlet pipe.

[0013] The above technical solution enables control over the introduction of milk to be processed and washing water.

[0014] Furthermore, a control panel is fixedly installed on the side wall of the filter box, and the control panel is electrically connected to the first servo motor, the second servo motor, and the solenoid valve.

[0015] The control circuit of the control panel can be implemented by simple programming by those skilled in the art through the above technical solution. It is common knowledge in the field and is only used without modification. Therefore, the control method and circuit connection will not be described in detail.

[0016] Furthermore, the cross-sectional area of ​​the filter screen is equal to the cross-sectional area of ​​the inner cavity of the filter box.

[0017] The above technical solution ensures the filtering effect of the filter screen on the milk.

[0018] Furthermore, a support frame is fixedly installed on the bottom surface of the filter box.

[0019] The above technical solution serves to fix and support the filter box.

[0020] In summary, this application includes the following beneficial technical effects:

[0021] 1. This utility model includes a filter box, a sealed cover, and a filter screen. The filter box is fixedly mounted on a support frame. A water inlet pipe and a milk inlet pipe are connected to one side of the filter box's inner cavity, and a milk outlet pipe is connected to the bottom of the other side of the filter box's inner cavity. Several mounting seats are evenly mounted on the bottom surface of the sealed cover, and mounting screw holes are correspondingly provided on the mounting seats and the filter screen. Therefore, the filter screen can be fixedly mounted on the mounting seats using mounting bolts. Furthermore, four mounting blocks are symmetrically fixedly mounted on the side walls of the filter box. Guide slide rods are fixedly mounted on three mounting blocks, and a lifting screw is mounted on one mounting block. The bottom end of the lifting screw is connected to the output end of a second servo motor. Four connecting blocks are symmetrically fixedly mounted on both sides of the sealed cover. Guide sleeves are fixedly mounted on three connecting blocks, with guide slide rods fitted inside the guide sleeves. A second screw sleeve is fixedly mounted on one connecting block, and the second screw sleeve cooperates with the lifting screw. When the user starts the second servo motor via the control panel, driving the lifting screw to rotate, the sealing box cover moves downward along the guide slide until the sealing ring installed on the bottom of the sealing box cover is embedded in the sealing groove opened on the top edge of the filter box. At this time, the filter screen enters the inner cavity of the filter box, and the side wall of the filter screen abuts against the inner wall of the filter box. Then, the milk to be filtered is introduced into one side of the filter box through the milk inlet pipe. When the milk passes through several filter screens, the impurities contained in the milk can be filtered and removed. The impurity-free milk can finally be discharged through the milk outlet pipe. After the filter screens have been used for a period of time, the second servo motor can drive the lifting screw to rotate in the opposite direction. At this time, the sealing box cover moves several filter screens out of the inner cavity of the filter box. The user only needs to remove the mounting bolts to replace and clean the filter screens. This process will not affect the connection between the milk inlet pipe and the water inlet pipe. The installation and disassembly are simpler and more convenient, saving time and effort, and making it more practical.

[0022] 2. This utility model includes a piston plate, a drive shaft, and a stirring shaft. A fixing frame is fixedly installed on one side wall of the filter box, and a first servo motor is mounted on the fixing frame. The stirring shaft is installed inside the filter box, and several stirring rods are evenly fixedly installed on the stirring shaft. One end of the stirring shaft is connected to the output end of the first servo motor. A bearing bracket is fixedly installed on the bottom surface of the filter box, and a drive shaft is installed on the bearing bracket. A drive screw is fixedly installed on one end of the drive shaft. A first pulley is fixedly installed on the stirring shaft, and a second pulley is fixedly installed on the drive shaft. A transmission belt is sleeved between the first pulley and the second pulley. When milk is filtered through the filter screen, the first servo motor can drive the stirring shaft and stirring rods to stir the milk effectively. When the stirring shaft drives the stirring rods to rotate a certain number of times, the drive shaft can drive the drive screw to rotate a certain number of times. A piston plate is installed on one side of the filter box, and one end of a push rod is fixedly connected to the center of the side wall of the piston plate. The other end of the push rod is fixedly mounted with... The device features a push plate with a first lead screw sleeve fixedly mounted on it. This first lead screw sleeve engages with a drive lead screw, so when the stirring shaft rotates forward, it drives the push plate and push rod to move the piston plate along the inner cavity of the filter box. This piston plate pushes the milk introduced into the filter box, allowing it to pass through the filter screen more quickly, thus improving the filtration efficiency. After the filtered milk is discharged through the milk outlet pipe, the first servo motor drives the stirring shaft to rotate in the opposite direction. At this time, the push plate and push rod reset the piston plate, and the milk inlet pipe introduces an appropriate amount of milk again. Repeating these steps achieves continuous and rapid squeezing and filtration of the milk, improving the device's efficiency and practicality. After the milk filtration is complete, the user can introduce an appropriate amount of cleaning water into the filter box through the water inlet pipe. Similarly, squeezing the cleaning water automatically cleans the filter box, ensuring its cleanliness when not in use and preventing bacterial growth. This further enhances its practicality. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of this application;

[0024] Figure 2 This is the main structural view of this application;

[0025] Figure 3 This is a top view of the overall structure of this application;

[0026] Figure 4 For the purposes of this application Figure 1 Enlarged view of point A;

[0027] Figure 5 This is a perspective view of the piston plate in this application;

[0028] Figure 6This is a partial perspective view of the stirring shaft and drive shaft of this application;

[0029] Figure 7 This is a perspective view of the sealed box cover of this application.

[0030] Explanation of the labels in the diagram:

[0031] 1. Filter box; 2. Filter screen; 3. Drive shaft; 4. Bearing bracket; 5. Milk outlet pipe; 6. Second pulley; 7. Drive screw; 8. First screw sleeve; 9. Support frame; 10. Push plate; 11. Push rod; 12. Sealing ring; 13. Piston plate; 14. Stirring shaft; 15. Stirring rod; 16. Sealing groove; 17. First pulley; 18. Fixing frame; 19. First servo motor; 20. Transmission belt; 21. Sealing box cover; 22. Mounting block; 23. Guide slide rod; 24. Lifting screw; 25. Second servo motor; 26. Control panel; 27. Connecting block; 28. Guide slide sleeve; 29. ​​Second screw sleeve; 30. Milk inlet pipe; 31. Water inlet pipe; 32. Mounting base; 33. Mounting bolt; 34. Mounting screw hole. Detailed Implementation

[0032] The technical solutions in 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. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0033] In the description of this application, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0034] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0035] Example:

[0036] This application discloses a milk impurity filtration device. Please refer to [link to relevant documentation]. Figure 1 , Figure 2 , Figure 3 and Figure 7 The system includes a filter box 1, a sealed cover 21, and a filter screen 2. A water inlet pipe 31 and a milk inlet pipe 30 are connected to one side of the filter box 1's inner cavity, and a milk outlet pipe 5 is connected to the bottom of the other side of the filter box 1's inner cavity. Several mounting seats 32 are evenly installed on the bottom surface of the sealed cover 21. Mounting screw holes 34 are correspondingly opened on the mounting seats 32 and the filter screen 2, and mounting bolts 33 are screwed into the mounting screw holes 34. Four mounting blocks 22 are symmetrically fixedly installed on the two side walls of the filter box 1. Guide slide rods 23 are fixedly installed on three of the mounting blocks 22, and a lifting screw 24 is installed on one of the mounting blocks 22. The bottom end of the lifting screw 24 is connected to the output end of the second servo motor 25. Four connecting blocks 27 are symmetrically fixed on both sides of the sealing box cover 21. Guide sleeves 28 are fixedly installed on three of the connecting blocks 27, and guide slide rods 23 are sleeved inside the guide sleeves 28. A second screw sleeve 29 is fixedly installed on one of the connecting blocks 27, and the second screw sleeve 29 cooperates with the lifting screw 24. This makes it easy for users to disassemble and clean the filter screen 2 after a period of use, and will not affect the connection between the milk inlet pipe 30 and the water inlet pipe 31. The installation and disassembly are simpler and more convenient, saving time and effort, and making it more practical.

[0037] Please see Figure 1 , Figure 2 , Figure 5 and Figure 6 A mounting bracket 18 is fixedly installed on one side wall of the filter box 1, and a first servo motor 19 is mounted on the mounting bracket 18. A stirring shaft 14 is installed inside the filter box 1, and several stirring rods 15 are evenly fixedly installed on the stirring shaft 14. One end of the stirring shaft 14 is connected to the output end of the first servo motor 19. A bearing bracket 4 is fixedly installed on the bottom surface of the filter box 1, and a drive shaft 3 is mounted on the bearing bracket 4. A drive screw 7 is fixedly installed on one end of the drive shaft 3. A first pulley 17 is fixedly installed on the stirring shaft 14. A second pulley 6 is fixedly installed on the filter box 1. A transmission belt 20 is sleeved between the first pulley 17 and the second pulley 6. A piston plate 13 is installed on one side of the inner cavity of the filter box 1. One end of a push rod 11 is fixedly connected to the center of the side wall of the piston plate 13. A push plate 10 is fixedly installed on the other end of the push rod 11. A first lead screw sleeve 8 is fixedly installed on the push plate 10. The first lead screw sleeve 8 cooperates with the drive lead screw 7 to realize continuous and rapid squeezing, filtering and removing impurities from the milk, which is beneficial to improving the working efficiency of the device and making it more practical.

[0038] Please see Figure 1A sealing ring 12 is fixedly installed on the bottom surface of the sealing box cover 21, and a sealing groove 16 is opened on the edge of the top surface of the filter box 1, which can improve the sealing effect between the sealing box cover 21 and the filter box 1.

[0039] Please see Figure 3 Solenoid valves are installed on the water inlet pipe 31, the milk inlet pipe 30, and the milk outlet pipe 5 to control the introduction of milk to be processed and cleaning water.

[0040] Please see Figure 2 and Figure 3 A control panel 26 is fixedly installed on the side wall of the filter box 1. The control panel 26 is electrically connected to the first servo motor 19, the second servo motor 25 and the solenoid valve. The control circuit of the control panel 26 can be implemented by simple programming by those skilled in the art. It is common knowledge in the art. It is only used and not modified. Therefore, the control method and circuit connection will not be described in detail.

[0041] Please see Figure 1 The cross-sectional area of ​​the filter screen 2 is equal to the cross-sectional area of ​​the inner cavity of the filter box 1.

[0042] Please see Figure 1 , Figure 2 and Figure 3 A support frame 9 is fixedly installed on the bottom surface of the filter box 1.

[0043] The implementation principle of this embodiment is as follows: 1. This utility model is provided with a filter box 1, a sealing box cover 21, and a filter screen plate 2. The filter box 1 is fixedly installed on the support frame 9. A water inlet pipe 31 and a milk inlet pipe 30 are respectively connected to one side of the inner cavity of the filter box 1, and a milk outlet pipe 5 is connected to the bottom of the other side of the inner cavity of the filter box 1. Several mounting seats 32 are evenly installed on the bottom surface of the sealing box cover 21. The mounting seats 32 and the filter screen plate 2 are respectively provided with mounting screw holes 34. Therefore, the filter screen plate 2 can be fixedly installed on the mounting seats 32 by mounting bolts 33. On the other hand, four mounting blocks 22 are symmetrically fixedly installed on the two side walls of the filter box 1. Guide slide rods 23 are fixedly installed on three mounting blocks 22, and one mounting block 22 is installed with... A lifting screw 24 is provided, and the bottom end of the lifting screw 24 is connected to the output end of the second servo motor 25. Four connecting blocks 27 are symmetrically fixedly installed on both sides of the sealed cover 21. Guide sleeves 28 are fixedly installed on three of the connecting blocks 27, and guide rods 23 are sleeved inside the guide sleeves 28. A second screw sleeve 29 is fixedly installed on one of the connecting blocks 27, and the second screw sleeve 29 cooperates with the lifting screw 24. When the user starts the second servo motor 25 through the control panel 26 to drive the lifting screw 24 to rotate, the sealed cover 21 can be moved downwards along the guide rods 23 until the sealing ring 12 installed on the bottom surface of the sealed cover 21 is embedded in the sealing groove 16 opened at the edge of the top surface of the filter box 1. At this time, the filter screen 2 enters the inner cavity of the filter box 1, and... The side wall of the filter screen 2 abuts against the inner wall of the filter box 1. The milk to be filtered is then introduced into the inner side of the filter box 1 through the milk inlet pipe 30. As the milk passes through several filter screens 2, impurities in the milk are filtered out. The resulting impurity-free milk can then be discharged through the milk outlet pipe 5. After the filter screens 2 have been used for a period of time, the second servo motor 25 drives the lifting screw 24 to rotate in the opposite direction. At this time, the sealing cover 21 moves several filter screens 2 out of the inner cavity of the filter box 1. The user only needs to remove the mounting bolts 33 to replace and clean the filter screens 2. This process will not affect the connection between the milk inlet pipe 30 and the water inlet pipe 31. Installation and disassembly are simpler and more convenient, saving time and effort, and making it more practical. Furthermore, this utility model... The filter housing 1 is equipped with a piston plate 13, a drive shaft 3, and a stirring shaft 14. A fixing frame 18 is fixedly installed on one side wall of the filter housing 1, and a first servo motor 19 is mounted on the fixing frame 18. The stirring shaft 14 is installed inside the filter housing 1, and several stirring rods 15 are evenly fixedly installed on the stirring shaft 14. One end of the stirring shaft 14 is connected to the output end of the first servo motor 19. A bearing bracket 4 is fixedly installed on the bottom surface of the filter housing 1, and a drive shaft 3 is mounted on the bearing bracket 4. A drive screw 7 is fixedly installed on one end of the drive shaft 3. A first pulley 17 is fixedly installed on the stirring shaft 14, and a second pulley 6 is fixedly installed on the drive shaft 3. A transmission belt 20 is sleeved between the first pulley 17 and the second pulley 6.After the milk passes through the filter screen 2, the first servo motor 19 drives the stirring shaft 14 and the stirring rod 15 to stir the milk effectively. When the stirring shaft 14 drives the stirring rod 15 to rotate a certain number of times, the drive shaft 3 drives the drive screw 7 to rotate a certain number of times. A piston plate 13 is installed on one side of the inner cavity of the filter box 1, and one end of the push rod 11 is fixedly connected to the center of the side wall of the piston plate 13. A push plate 10 is fixedly installed on the other end of the push rod 11. A first screw sleeve 8 is fixedly installed on the push plate 10, and the first screw sleeve 8 cooperates with the drive screw 7. Therefore, when the stirring shaft 14 rotates in the forward direction, it can drive the push plate 10 and the push rod 11 to push the piston plate 13 to move along the inner cavity of the filter box 1. Thus, the piston plate 13 can be used to stir the milk introduced into the inner cavity of the filter box 1. The milk is pushed through the filter screen 2 more quickly, improving the filtration efficiency. After the filtered milk is discharged through the milk outlet pipe 5, the first servo motor 19 drives the stirring shaft 14 to rotate in the opposite direction. At this time, the push plate 10 and push rod 11 drive the piston plate 13 to reset, and the milk inlet pipe 30 introduces an appropriate amount of milk again. Repeating the above steps achieves continuous and rapid squeezing filtration of the milk, which improves the working efficiency of the device and enhances its practicality. After the milk filtration is completed, the user can introduce an appropriate amount of cleaning water into the inner cavity of the filter box 1 through the water inlet pipe 31. Similarly, squeezing the cleaning water will automatically clean the inner cavity of the filter box 1, ensuring that the milk impurity filtration device remains clean when not in use and preventing the growth of bacteria inside, further enhancing its practicality.

[0044] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A milk impurity filtration device, comprising a filter box (1), a sealed box cover (21), and a filter screen (2), characterized in that: The filter box (1) has a water inlet pipe (31) and a milk inlet pipe (30) connected to one side of its inner cavity, and a milk outlet pipe (5) connected to the bottom of the other side of its inner cavity. Several mounting seats (32) are evenly installed on the bottom surface of the sealed box cover (21). Mounting screw holes (34) are correspondingly opened on the mounting seats (32) and the filter screen (2), and mounting bolts (33) are screwed into the mounting screw holes (34). Four mounting blocks (22) are symmetrically fixedly installed on the two side walls of the filter box (1). Three of the mounting blocks (22) are fixedly installed with... There is a guide slide rod (23), a lifting screw (24) is installed on one of the mounting blocks (22), and the bottom end of the lifting screw (24) is connected to the output end of the second servo motor (25). Four connecting blocks (27) are symmetrically fixedly installed on both sides of the sealing box cover (21). Guide sleeves (28) are fixedly installed on three of the connecting blocks (27), and guide slide rods (23) are sleeved inside the guide sleeves (28). A second screw sleeve (29) is fixedly installed on one of the connecting blocks (27), and the second screw sleeve (29) cooperates with the lifting screw (24).

2. The milk impurity filtration device according to claim 1, characterized in that: A fixing frame (18) is fixedly installed on one side wall of the filter box (1), and a first servo motor (19) is installed on the fixing frame (18). A stirring shaft (14) is installed inside the filter box (1), and several stirring rods (15) are evenly fixedly installed on the stirring shaft (14). One end of the stirring shaft (14) is connected to the output end of the first servo motor (19). A bearing frame (4) is fixedly installed on the bottom surface of the filter box (1), and a drive shaft (3) is installed on the bearing frame (4). A drive screw (7) is fixedly installed on one end of the drive shaft (3). 4) A first pulley (17) is fixedly installed on the drive shaft (3), and a second pulley (6) is fixedly installed on the drive shaft (3). A transmission belt (20) is sleeved between the first pulley (17) and the second pulley (6). A piston plate (13) is installed on one side of the inner cavity of the filter box (1), and a push rod (11) is fixedly connected to the center of the side wall of the piston plate (13). A push plate (10) is fixedly installed on the other end of the push rod (11). A first screw sleeve (8) is fixedly installed on the push plate (10), and the first screw sleeve (8) cooperates with the drive screw (7).

3. The milk impurity filtration device according to claim 1, characterized in that: A sealing ring (12) is fixedly installed on the bottom surface of the sealing box cover (21), and a sealing groove (16) is opened on the edge of the top surface of the filter box (1).

4. The milk impurity filtration device according to claim 1, characterized in that: Solenoid valves are installed on the water inlet pipe (31), milk inlet pipe (30) and milk outlet pipe (5).

5. The milk impurity filtration device according to claim 1, characterized in that: The filter box (1) is fixedly installed with a control panel (26) on its side wall, and the control panel (26) is electrically connected to the first servo motor (19), the second servo motor (25) and the solenoid valve.

6. The milk impurity filtration device according to claim 1, characterized in that: The cross-sectional area of ​​the filter screen (2) is equal to the cross-sectional area of ​​the inner cavity of the filter box (1).

7. The milk impurity filtration device according to claim 1, characterized in that: A support frame (9) is fixedly installed on the bottom surface of the filter box (1).

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