A purification device and method for dairy product processing

Abstract

The present invention belongs to the technical field of dairy product processing, and specifically relates to a purification device for dairy product processing, comprising a milk purifier body, a movable slag discharge mechanism comprising a movable plate, a collecting mechanism comprising a U-shaped box, the outer side of the U-shaped box approaches the shell body from top to bottom, an L-shaped plate is connected to the inside of the U-shaped box for sliding up and down, an inclined abutment plate is fixedly connected to the L-shaped plate, a plurality of first springs are installed between the L-shaped plate and the U-shaped box, a slag discharge port is provided on the outer side of the U-shaped box, a plurality of connecting components are provided on the L-shaped plate, and a filtering mechanism is installed between the U-shaped box and the lower shell body; the present invention can temporarily store fixed impurity particles through the collecting mechanism, and separate the milk liquid carried and discharged from the fixed impurity particles, and then discharge the fixed impurity particles in the next slag discharge process, and store the milk liquid, so as to avoid waste caused by discharge along with the fixed impurity particles.

Description

Technical Field

[0001] The invention belongs to the technical field of dairy product processing, and in particular relates to a purification device and method for dairy product processing. Background Art

[0002] It refers to various foods made from cow's milk or goat's milk and their processed products as the main raw materials, with or without appropriate amounts of vitamins, minerals and other auxiliary materials, and processed under the conditions required by laws, regulations and standards. It is also called cream products; dairy products include liquid milk (pasteurized milk, sterilized milk, modulated milk, fermented milk); milk powder (whole milk powder, skimmed milk powder, partially skimmed milk powder, modulated milk powder, bovine colostrum powder); other dairy products (etc.).

[0003] During the processing of existing liquid milk, it is necessary to remove impurities and fat from the original milk solution, and then add different auxiliary agents or fat content according to different milk qualities to prepare different types of liquid milk. The existing device for purifying liquid milk is usually a milk purifier, and its principle is to separate fixed impurity particles, light emulsion and fat through centrifugal action. In order to remove the fixed impurity particles during the purification work, it is necessary to connect the inside of the purifier with the outside world, and then use the centrifugal force to discharge the fixed impurity particles from the gap in the middle of the purifier. When the purifier is connected to the outside world for a long time in order to remove the fixed particles, the emulsion and the fixed impurity particles will be discharged together under the action of centrifugal force, which will lead to waste of raw materials, so it needs to be improved. Summary of the invention

[0004] The purpose of the present invention is to provide a purification device and method for dairy product processing, so as to solve the problems existing in the background technology.

[0005] In order to achieve the above technical objectives, the technical solution adopted by the present invention is as follows:

[0006] A purification device for dairy product processing, comprising a milk purifier body, the milk purifier body comprising a shell, a base, a driving device, a drum mechanism, a separation mechanism and a discharging mechanism, the driving device is in driving connection with the drum mechanism and the separation mechanism, the shell comprises an upper shell and a lower shell connected to each other, the lower shell is provided with a movable slag discharge mechanism matching the drum mechanism, the movable slag discharge mechanism comprises a movable plate sealed and slidably connected to the lower shell up and down, an opening matching the movable plate is provided between the upper shell and the lower shell, and a collecting mechanism is installed on the outer sides of the upper shell and the lower shell;

[0007] The collecting mechanism includes a U-shaped box, which is fixedly installed on the upper shell and the lower shell respectively, the outer side of the U-shaped box approaches the shell from top to bottom, the inside of the U-shaped box is connected with an L-shaped plate that slides up and down, the L-shaped plate is fixedly connected with an inclined abutment plate that matches the outer side of the U-shaped box, a plurality of first springs are installed between the L-shaped plate and the U-shaped box, a slag discharge port that matches the inclined abutment plate is opened on the outer side of the U-shaped box, the L-shaped plate is provided with a plurality of connecting components, and a filtering mechanism is installed between the U-shaped box and the lower shell.

[0008] The connecting assembly includes a mounting block fixedly connected to the lower end of the L-shaped plate, a cross slot is provided inside the mounting block, a locking block is slidably connected inside the cross slot, a second spring is installed between the locking block and the cross slot, an inclined surface is provided on the upper end of the locking block close to the U-shaped box and the lower end close to the movable plate, an unlocking piece matching the connecting assembly is installed on the upper end of the movable plate, a U-shaped slot matching the connecting assembly is provided on the upper shell body, and a push block matching the locking block is fixedly installed on the U-shaped slot.

[0009] The unlocking member includes a circular ring fixedly connected to the movable plate, a connecting ring groove is provided at the lower end of the upper shell body and is sealingly and slidingly connected to the circular ring, a plurality of protrusions matching the connecting assembly are fixedly connected to the outer side of the circular ring, and a placement groove matching the protrusions is provided in the lower shell body.

[0010] The filtering mechanism comprises a filter screen obliquely installed inside the U-shaped box, and the filter screen is located at the lower side of the slag discharge port.

[0011] The U-shaped box and the lower shell are jointly provided with an inclined liquid inlet, the lower shell and the movable plate are sealed and slidably connected with a buoyancy plate, a third spring is installed between the upper end of the buoyancy plate and the movable plate, the circular ring and the movable plate are jointly provided with a first exhaust port, the movable plate is equipped with a one-way liquid inlet valve connected to the inclined liquid inlet, and the inclined liquid inlet and the first exhaust port are both equipped with a one-way valve assembly.

[0012] The circular ring and the convex block are jointly provided with a second exhaust port, and the lower shell is provided with a through hole connected with the second exhaust port.

[0013] An L-shaped ring plate is obliquely installed around the circumference of the lower shell, and a waste pipe is installed at the lowest point of the L-shaped ring plate.

[0014] A purification method for dairy product processing comprises the steps of: 1: sealingly connecting a movable slag discharge mechanism to an upper shell;

[0015] Step 2: Input the raw materials into the shell and start the driving device to drive the drum mechanism and the separation mechanism to rotate to generate centrifugal force;

[0016] Step 3: After the set working cycle, the movable slag discharge mechanism is driven to release the sealing connection with the upper shell, the fixed impurity particles are discharged from the shell and enter the U-shaped box, and then the movable slag discharge mechanism is driven to seal and connect with the upper shell again;

[0017] Step 4: After the fixed impurity particles and the mixed emulsion enter the U-shaped box, they are filtered by the filtering mechanism and wait for the next cycle of slag discharge;

[0018] Step 5: When the next slag discharge cycle comes, the movable slag discharge mechanism will be driven to release the sealed connection with the upper shell. During this process, the inclined abutment plate will leak out the slag discharge port to discharge the fixed impurity particles discharged in the previous cycle, and the slag discharge port will be sealed when leaking out, so that the fixed impurity particles mixed with the emulsion will enter the U-shaped box when the opening is opened this time;

[0019] Step 6: Repeat steps 4 and 5 until purification is complete.

[0020] The present invention can temporarily store the fixed impurity particles through the collecting mechanism, and separate the milk liquid and the fixed impurity particles to be carried away, and then discharge the fixed impurity particles in the next slag discharge process, while storing the milk liquid, avoiding waste caused by discharging the fixed impurity particles together with the milk liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention is further illustrated by means of the non-limiting examples given in the accompanying drawings.

[0022] Figure 1 It is a structural schematic diagram of a purification device for dairy product processing of the present invention;

[0023] Figure 2 It is a schematic diagram of the first cross-sectional structure of a purification device for dairy product processing of the present invention;

[0024] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0025] Figure 4 It is a second cross-sectional structural schematic diagram of a purification device for dairy product processing of the present invention;

[0026] Figure 5 for Figure 4 Schematic diagram of the enlarged structure at point B in the middle.

[0027] The main component symbols are described as follows:

[0028] Shell 10, base 11, driving device 12, drum mechanism 13, separation mechanism 14, discharging mechanism 15, upper shell 21, lower shell 22, movable plate 23, U-shaped box 24, L-shaped plate 25, inclined abutment plate 26, first spring 27, slag discharge port 28, push block 29, mounting block 30, locking block 31, second spring 32, inclined surface 33, ring 34, protrusion 35, filter screen 36, inclined liquid inlet 37, buoyancy plate 38, third spring 39, first exhaust port 40, one-way liquid inlet valve 41, one-way valve assembly 42, second exhaust port 43, L-shaped ring plate 44, waste pipe 45. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0030] Example 1: Figure 1-5 As shown, a purification device for dairy product processing of the present invention comprises a milk purifier body, the milk purifier body comprises a shell 10, a base 11, a driving device 12, a drum mechanism 13, a separation mechanism 14 and a discharging mechanism 15, the driving device 12 is drivingly connected with the drum mechanism 13 and the separation mechanism 14, the shell 10 comprises an upper shell 21 and a lower shell 22 connected to each other, the lower shell 22 is provided with a movable slag discharge mechanism matching the drum mechanism 13, the movable slag discharge mechanism comprises a movable plate 23 sealed and slidably connected with the lower shell 22 up and down, an opening matching the movable plate 23 is provided between the upper shell 21 and the lower shell 22, and a collecting mechanism is commonly installed on the outer sides of the upper shell 21 and the lower shell 22;

[0031] The collecting mechanism includes a U-shaped box 24, which is fixedly installed with the upper shell 21 and the lower shell 22 respectively. The outer side of the U-shaped box 24 approaches the shell 10 from top to bottom. The inside of the U-shaped box 24 is connected with an L-shaped plate 25 for sliding up and down. The L-shaped plate 25 is fixedly connected with an inclined abutment plate 26 matching the outer side of the U-shaped box 24. A plurality of first springs 27 are installed between the L-shaped plate 25 and the U-shaped box 24. A slag discharge port 28 matching the inclined abutment plate 26 is opened on the outer side of the U-shaped box 24. The L-shaped plate 25 is provided with a plurality of connecting components. A filtering mechanism is installed between the U-shaped box 24 and the lower shell 22.

[0032] The working principle of the milk purifier is that milk enters the drum mechanism 13 and the separation mechanism 14 inside the milk purifier body through the feed port of the shell 10. Under the action of a strong centrifugal field, solid particles with a large specific gravity are subjected to a large centrifugal force and move outward along the separation disk of the separation mechanism 14, and then gradually gather around the inner wall, while liquid with a small specific gravity moves inward along the separation disk, and the light liquid is pumped out by the light liquid centripetal pump, and the heavy liquid flows along the inner surface of the disc toward the peripheral direction and is thrown to the drum wall and then rises, and then enters the gap between the disc and the conical cover and is discharged, that is, the light liquid and the heavy liquid are separated by the separation mechanism 14 and discharged from the two outlets of the discharge mechanism 15 respectively;

[0033] When the milk purifier body is working normally, water is preferentially controlled to be injected into the water cavity between the movable plate 23 and the lower shell 22 through the control valve to make the movable plate 23 and the upper shell 21 sealed and close the opening between the upper shell 21 and the lower shell 22. When slag discharge is needed, the water is controlled to be discharged from the cavity below the movable plate 23 through the control valve, so that the movable plate 23 moves downward to release the sealed connection with the upper shell 21 and then leaks out of the opening. At this time, the continuously working driving device 12 will discharge the solid particles from the inside of the shell through the opening under the action of centrifugal force, thereby achieving the effect of slag discharge. After discharge, water is re-injected between the movable plate 23 and the shell through the control valve to restore the movable plate 23 to the working state. The above are all partial working principles of the milk purifier body. The present invention is inspired and improved by utilizing the above principles in the process of slag discharge of the milk purifier body, so other existing principles related thereto are not elaborated here.

[0034] Before using the milk purifier body, water is preferentially controlled by an external device to be injected into the water cavity between the movable plate 23 and the lower shell 22 through the control valve to make the movable plate 23 and the upper shell 21 sealed and connected, and then the milk is introduced into the milk purifier body for filtration, separation and purification, and the solid impurity shell is accumulated on the inner wall of the connection between the movable plate 23 and the upper shell 21, and the milk is defatted by the centrifugal force and discharged from the two discharge valves of the discharging mechanism 15. After working for a period of time, solid impurity particles will accumulate, so it is necessary to regularly remove such fixed impurity particles, and when removing, the external device will control the solid impurity particles from the inner wall of the connection between the movable plate 23 and the upper shell 21. The water is discharged from the water cavity, causing the movable plate 23 to move downward to release the sealed connection with the upper shell 21 and leak out of the opening. At this time, the impurities accumulated at the connection between the movable plate 23 and the upper shell 21 will move toward the opening along the movable plate 23 or the inner wall of the upper shell 21 under the action of centrifugal force, and then enter the U-shaped box 24 through the opening until the movable plate 23 moves upward again and abuts against the upper shell 21 for sealing; after the fixed particles mixed with the milk liquid enters the U-shaped box 24, it will be temporarily stored in the U-shaped box 24 first, and then the milk liquid and the fixed particles will be separated by the filtering mechanism, and then wait for the next slag discharge work.

[0035] In the natural state, the resilience of the first spring 27 makes the L-shaped plate 25 tend to move upward, and at this time the connecting assembly and the movable plate 23 are in abutment state. When the slag discharge work is started, the movable plate 23 will be driven to move downward, thereby driving the connecting assembly and the L-shaped plate 25 to overcome the resilience of the first spring 27 and move downward, thereby causing the inclined abutment plate 26 to move vertically downward. Since the inclined abutment plate 26 is in abutment and sealing contact with the slag discharge port 28 under the resilience of the first spring 27 in the initial state, when the inclined abutment plate 26 moves vertically downward, it will move away from the slag discharge port 28 and leak out of the slag discharge port 28, so that the fixed impurity particles are discharged from the slag discharge port. The slag discharge port 28 is discharged until the movable plate 23 moves downward to the opening, and the connecting component releases the contact with the movable plate 23, so that the connecting component and the L-shaped plate 25 move upward under the resilience of the first spring 27, so that the inclined contact plate 26 is re-contacted and sealed with the slag discharge port 28. After the movable plate 23 releases the contact with the connecting component and continues to move downward, it will leak out of the opening between the upper shell 21 and the lower shell 22, so that the newly generated fixed impurity particles will re-enter the U-shaped box 24 for temporary storage. In this way, the milk liquid discharged during the slag discharge process can be collected as a cycle, thereby avoiding waste during the slag discharge process.

[0036] The present invention can temporarily store the fixed impurity particles through the collecting mechanism, and separate the milk liquid and the fixed impurity particles to be carried away, and then discharge the fixed impurity particles in the next slag discharge process, while storing the milk liquid, avoiding waste caused by discharging the fixed impurity particles together with the milk liquid.

[0037] Embodiment 2: Further improvement is made on the basis of Embodiment 1, the connecting component includes a mounting block 30 fixedly connected to the lower end of the L-shaped plate 25, a cross groove is provided inside the mounting block 30, a locking block 31 is slidably connected inside the cross groove, a second spring 32 is installed between the locking block 31 and the cross groove, the locking block 31 has an upper end close to the U-shaped box 24 and a lower end close to the movable plate 23. The upper shell 21 has a U-shaped groove matching the connecting component, and the U-shaped groove has a push block 29 fixedly installed therein matching the locking block 31.

[0038] In the initial state, the L-shaped plate 25 and the mounting block 30 are in contact with the upper side of the U-shaped groove under the action of the first spring 27, and the locking block 31 extends out of the mounting block 30 under the action of the second spring 32 to abut against the unlocking piece in the sealed state. At this time, the inclined abutting plate 26 also seals and abuts against the slag discharge port 28. When slag discharge is required, the movable plate 23 and the unlocking piece move downward and drive the locking block 31 and the mounting block 30 to move downward until the locking block 31 abuts against the pushing block 29. At this time, the inclined surface of the lower side of the locking block 31 abuts against the upper side of the pushing block 29. In this way, the locking block 31 that continues to move downward will overcome the rebound force of the second spring 32 driven by the pushing block 29 and extend into the interior of the mounting block 30 and then The other side of the locking block 31 is extended into the transverse groove part of the U-shaped groove, so that the unlocking piece can be separated from the upper shell body 21 and leak out of the opening during the continuous downward movement of the movable plate 23. When the unlocking piece is away from the locking block 31, the inclined surface on the upper side of the locking block 31, the second spring 32 and the resilience of the first spring 27 cooperate with each other to make the locking block 31 withdraw from the lower transverse groove part of the U-shaped groove during the upward movement, and move upward to the initial state under the action of the first spring 27, that is, drive the inclined abutting plate 26 to move downward for a period of time, and then drive the inclined abutting plate 26 again to abut and seal the slag discharge port 28, thereby playing the role of immediately closing the seal after the fixed impurity particles are discharged;

[0039] After the movable plate 23 releases the seal and allows new milk and fixed foreign particles to enter the U-shaped box 24, the movable plate 23 moves upward again to seal the upper shell body 21, which will cause the unlocking piece to abut against the inclined surface on the lower side of the locking block 31, thereby causing the unlocking piece to drive the locking block 31 to overcome the rebound force of the second spring 32 and drive one end of the locking block 31 to extend into the upper horizontal groove of the U-shaped groove, thereby causing the other end of the locking block 31 to extend into the interior of the mounting block 30, so that the unlocking piece can move upward to abut against the upper shell body 21 to seal and restore the initial state when working.

[0040] The unlocking member includes a ring 34 fixedly connected to the movable plate 23, a connecting ring groove sealed and slidably connected to the ring 34 is provided at the lower end of the upper shell 21, a plurality of protrusions 35 matching the connecting assembly are fixedly connected to the outer side of the ring 34, and a placement groove matching the protrusion 35 is provided in the lower shell 22. When the movable plate 23 drives the ring 34 and the protrusion 35 to move downward, the protrusion 35 will abut against the locking block 31, and two push blocks 29 are located on both sides of the protrusion 35, so that when the locking block 31 moves downward, it can be restricted by the push blocks 29, but the push blocks 29 cannot restrict the movement of the protrusion 35. When the protrusion 35 moves to the inside of the placement groove, it will leak out of the opening between the upper shell 21 and the lower shell 22, so that the fixed foreign particles can enter the inside of the U-shaped box 24 through the opening.

[0041] The filtering mechanism includes a filter screen 36 obliquely installed inside the U-shaped box 24, and the filter screen 36 is located at the lower side of the slag discharge port 28. The filter screen 36 is installed below the slag discharge port 28 to guide and filter the fixed impurity particles. When the inclined abutment plate 26 opens the slag discharge port 28, the inclination of the filter screen 36 can make the slag discharge more thorough, and separate the solid impurity particles from the milk liquid.

[0042] An inclined liquid inlet 37 is provided inside the U-shaped box 24 and the lower shell 22. A buoyancy plate 38 is sealingly and slidably connected between the lower shell 22 and the movable plate 23. A third spring 39 is installed between the upper end of the buoyancy plate 38 and the movable plate 23. A first exhaust port 40 is provided between the ring 34 and the movable plate 23. A one-way liquid inlet valve 41 connected to the inclined liquid inlet 37 is installed on the movable plate 23. A one-way valve assembly 42 is installed on both the inclined liquid inlet 37 and the first exhaust port 40.

[0043] In the initial state, the buoyancy plate 38 and the third spring 39 are in a natural state, so that the buoyancy plate 38 is in contact with the lower shell 22. When the milk liquid passes through the filter screen 36 and accumulates at the inclined liquid inlet 37, it will enter the sealed cavity between the lower shell 22 and the movable plate 23 in one direction through the one-way valve assembly 42 under the action of gravity and the height difference. Since the higher the density of the liquid, the greater the buoyancy, and the density of milk is greater than that of water, when the pressure formed by the height difference of the milk liquid and gravity is greater than the resilience of the third spring 39, the buoyancy plate 38 can overcome the third spring 39 under the action of buoyancy. At this time, the rebound force of the third spring 39 will drive the buoyancy plate 38 to move downward to squeeze the milk in the cavity through the one-way inlet valve 41 into the shell.

[0044] The ring 34 and the protrusion 35 are provided with a second exhaust port 43, and the lower shell 22 is provided with a through hole connected to the second exhaust port 43. The first exhaust port 40 can exhaust gas through the opening to the inside of the U-shaped box 24 when the buoyancy plate 38 moves upward, and blow the solid impurity particles near the opening into the inside of the U-shaped box 24.

[0045] An L-shaped ring plate 44 is installed around the lower shell 22 at an angle, and a waste pipe 45 is installed at the lowest point of the L-shaped ring plate 44. When discharging slag, the fixed impurity particles slide from the inclined abutment plate 26 into the L-shaped ring plate 44, and then are discharged from the waste pipe 45 through the inclined L-shaped ring plate 44.

[0046] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A purification device for dairy product processing, comprising a milk purifier body, the milk purifier body comprising a shell, a base, a driving device, a drum mechanism, a separation mechanism and a discharging mechanism, the driving device is drivingly connected to the drum mechanism and the separation mechanism, characterized in that: The shell comprises an upper shell and a lower shell connected to each other, the lower shell is provided with a movable slag discharge mechanism matching the drum mechanism, the movable slag discharge mechanism comprises a movable plate sealingly and slidingly connected to the lower shell up and down, an opening matching the movable plate is provided between the upper shell and the lower shell, and a collecting mechanism is installed on the outer sides of the upper shell and the lower shell; The collecting mechanism comprises a U-shaped box, wherein the U-shaped box is fixedly mounted to the upper shell and the lower shell respectively, the outer side of the U-shaped box approaches the shell from top to bottom, an L-shaped plate is slidably connected to the inside of the U-shaped box, the L-shaped plate is fixedly connected to an inclined abutment plate matching the outer side of the U-shaped box, a plurality of first springs are installed between the L-shaped plate and the U-shaped box, a slag discharge port matching the inclined abutment plate is opened on the outer side of the U-shaped box, a plurality of connecting components are arranged on the L-shaped plate, and a filtering mechanism is installed between the U-shaped box and the lower shell; The connecting assembly comprises a mounting block fixedly connected to the lower end of the L-shaped plate, a cross slot is provided inside the mounting block, a locking block is slidably connected inside the cross slot, a second spring is installed between the locking block and the cross slot, an inclined surface is provided on the upper end of the locking block close to the U-shaped box and the lower end close to the movable plate, an unlocking piece matching the connecting assembly is installed on the upper end of the movable plate, a U-shaped slot matching the connecting assembly is provided on the upper shell, and a push block matching the locking block is fixedly installed on the U-shaped slot; The unlocking member comprises a circular ring fixedly connected to the movable plate, a connecting ring groove sealingly and slidingly connected to the circular ring is provided at the lower end of the upper shell, a plurality of protrusions matching the connecting assembly are fixedly connected to the outer side of the circular ring, and a placement groove matching the protrusions is provided on the lower shell; The filtering mechanism comprises a filter screen obliquely installed inside the U-shaped box, and the filter screen is located at the lower side of the slag discharge port; The U-shaped box and the lower shell are provided with an inclined liquid inlet, the lower shell and the movable plate are sealed and slidably connected with a buoyancy plate, a third spring is installed between the upper end of the buoyancy plate and the movable plate, the ring and the movable plate are provided with a first exhaust port, the movable plate is provided with a one-way liquid inlet valve connected with the inclined liquid inlet, and the inclined liquid inlet and the first exhaust port are both provided with a one-way valve assembly; The circular ring and the protrusion are jointly provided with a second exhaust port, and the lower shell is provided with a through hole communicating with the second exhaust port; An L-shaped ring plate is obliquely installed around the circumference of the lower shell, and a waste pipe is installed at the lowest point of the L-shaped ring plate; In the initial state, the buoyancy plate and the third spring are in a natural state, so that the buoyancy plate abuts against the lower shell body. When the milk liquid accumulates at the inclined liquid inlet through the filter screen, it will enter the sealed cavity between the lower shell body and the movable plate in one direction through the one-way valve assembly under the action of gravity and height difference. Since the higher the density of the liquid, the greater the buoyancy, and the density of milk is greater than that of water, when the pressure formed by the height difference and gravity of the milk liquid is greater than the rebound force of the third spring, the buoyancy plate can overcome the rebound force of the third spring under the action of buoyancy and move upward, thereby storing the milk liquid in the cavity between the lower shell body and the movable plate, until the movable plate moves downward to discharge the slag, and the movable plate drives the third spring to move downward to increase the rebound force. Since the one-way valve assembly cannot reflow the milk liquid to the inclined liquid inlet, the rebound force of the third spring becomes larger and larger, until the one-way liquid inlet valve is flush with the lower side of the cavity when it completely leaks out of the opening, at this time, the rebound force of the third spring will drive the buoyancy plate to move downward to squeeze the milk liquid inside the cavity from the one-way liquid inlet valve into the shell body.

2. A purification method for dairy product processing, characterized in that: Purification is performed using the dairy product processing purification device according to claim 1, comprising step 1: sealingly connecting the movable slag discharge mechanism to the upper shell; Step 2: Input the raw materials into the shell and start the driving device to drive the drum mechanism and the separation mechanism to rotate to generate centrifugal force; Step 3: After the set working cycle, the movable slag discharge mechanism is driven to release the sealing connection with the upper shell, and the solid impurity particles are discharged from the shell and enter the U-shaped box, and then the movable slag discharge mechanism is driven to seal and connect with the upper shell again; Step 4: After the solid impurity particles and the mixed emulsion enter the U-shaped box, they are filtered by the filtering mechanism and wait for the next cycle of slag discharge; Step 5: When the next slag discharge cycle comes, the movable slag discharge mechanism will be driven to release the sealed connection with the upper shell. During this process, the inclined abutment plate will leak out the slag discharge port to discharge the fixed impurity particles discharged in the previous cycle, and the slag discharge port will be sealed when leaking out, so that the fixed impurity particles mixed with the emulsion will enter the U-shaped box when the opening is opened this time; Step 6: Repeat steps 4 and 5 until purification is complete.

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