Centrifugal filter for salt-free cream solid-liquid separation
By introducing electric push rods and scraper cleaning components into the cream solid-liquid separation centrifugal filter, the problem of cleaning the oil discharge chamber was solved, the separation efficiency and product quality were improved, and production continuity was ensured.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUJIAN BANGYAN OIL TECH CO LTD
- Filing Date
- 2025-07-15
- Publication Date
- 2026-06-19
AI Technical Summary
Traditional cream solid-liquid separation centrifugal filter machines are prone to having residual grease and impurities adhering to the inner wall of the oil discharge chamber, making cleaning difficult, affecting the separation effect and product quality, and the cleaning operation is cumbersome, affecting the continuity of production.
A centrifugal filter comprising an electric actuator, piston, scraper, and cleaning components was designed. The electric actuator controls the opening and closing of the oil discharge port, and the scraper cleans the grease on the inner wall to ensure the cleanliness of the oil discharge chamber. The combination of the inner tank and the disc improves the separation efficiency.
It achieves efficient cleaning of the oil draining chamber, extends equipment maintenance cycles, improves separation efficiency and product quality, and ensures production continuity.
Smart Images

Figure CN224371678U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of equipment for processing unsalted butter, and in particular to a centrifugal filter for solid-liquid separation of unsalted butter. Background Technology
[0002] In traditional centrifugal filters used for solid-liquid separation of butter, the oil discharge chamber is a key space for collecting the separated oil. After long-term use, a large amount of residual oil and impurities tend to adhere to the inner wall. These residues not only occupy the effective volume of the oil discharge chamber and affect the normal collection of oil, but also deteriorate due to long-term accumulation, contaminating the butter that is separated later and leading to a decline in product quality.
[0003] Traditional equipment lacks a dedicated cleaning structure, and cleaning the oil drain chamber often requires manual disassembly of the equipment, which is cumbersome and time-consuming, seriously affecting the continuous operation of the production line. Although some equipment has attempted to use simple rinsing methods for cleaning, the oil drain chamber has a complex structure, and residues in corners and crevices are difficult to remove completely, resulting in poor cleaning effects. Therefore, the above problems need to be solved. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a centrifugal filter for solid-liquid separation of unsalted butter.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a centrifugal filter for solid-liquid separation of unsalted butter, comprising a frame, a first motor installed upside down at one end of the top of the frame, a processing box at the other end of the top of the frame, an oil outlet pipe fixedly connected to the bottom of the processing box, an inner liner rotatably disposed inside the processing box, an oil discharge chamber opened between the processing box and the inner liner, a cleaning component disposed inside the oil discharge chamber, and two electric push rods installed at the bottom of the inner liner.
[0006] Preferably, the frame has a running groove, the bottom of the inner liner is fixedly connected to a rotating shaft, a sealed bearing is provided between the rotating shaft and the processing box, one end of the rotating shaft extends into the running groove in the frame, and the other end of the rotating shaft is fixedly connected to a pulley at the output end of the first motor, and a belt for transmission is sleeved between the two pulleys.
[0007] Preferably, the inner liner sidewall is provided with multiple oil drain ports at equal intervals, and the output ends of the two electric push rods are fixedly connected to pistons, and the piston sidewalls are movably sealed to the oil drain ports by the electric push rods.
[0008] Preferably, the cleaning component includes a fixed circular rail fixed to the top of the oil drain chamber and a limiting groove opened at the bottom of the oil drain chamber. The bottom of the fixed circular rail is provided with a moving block, a linear motor is installed on one side of the moving block, a first fixed block is fixed to the bottom of the moving block, and a traction steel wire is fixed to the first fixed block.
[0009] Preferably, a scraper is movably engaged in the limiting groove, a second fixing block is fixedly connected to the top of the scraper, and the other end of the traction steel wire is fixedly connected to the second fixing block.
[0010] Preferably, the top of the inner liner extends out of the processing box in a hollow cylindrical shape, the top of the inner liner is fixedly connected to the feed pipe, the bottom of the feed pipe is fixedly connected to the disc, the top of the feed pipe and the inner liner form a rear drain chamber, the drain chamber is provided with a drain pipe, one end of the drain pipe extends out of the top side wall of the inner liner.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: In this utility model, the opening and closing time of the oil discharge port can be precisely controlled according to the needs of the separation process through the cooperation of the electric push rod and the piston, ensuring the separation effect and oil quality; through the cooperation of the inner liner and the disc, the concentrated cream can be dispersed into a thin layer, increasing the contact area between the cream and the separation interface and improving the separation efficiency; through the setting of the cleaning component, the grease and impurities adhering to the inner wall of the oil discharge chamber can be effectively scraped off, keeping the oil discharge chamber clean, solving the problems of difficult cleaning of the oil discharge chamber and the impact of residue on the subsequent separation effect, and extending the maintenance cycle of the equipment. Attached Figure Description
[0012] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:
[0013] Figure 1 This is a schematic diagram of the overall first-view structure proposed in this utility model;
[0014] Figure 2 This is a schematic diagram of the internal second-view structure proposed in this utility model;
[0015] Figure 3 This is a schematic diagram of the structure of some parts proposed in this utility model;
[0016] Figure 4 This is a schematic diagram of the internal structure of the processing box proposed in this utility model.
[0017] The numbers in the diagram are: 1. Frame; 2. Feed pipe; 3. Drain pipe; 4. First motor; 5. Processing tank; 6. Rotating shaft; 7. Inner liner; 8. Piston; 9. Disc; 10. Fixed circular rail; 11. Scraper; 12. Oil outlet pipe; 13. Electric push rod; 14. Moving block. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0019] Example: See Figure 1-4 The centrifugal filter for solid-liquid separation of unsalted butter in this utility model includes a frame 1. A first motor 4 is installed upside down at one end of the top of the frame 1, and a processing box 5 is provided at the other end of the top of the frame 1. The processing box 5 provides a closed separation space to collect the separated oil, prevent leakage, and ensure the safety and environmental protection of the separation process. An oil outlet pipe 12 is fixedly connected to the bottom of the processing box 5, which facilitates the smooth discharge of the separated oil from the equipment for subsequent collection and processing, ensuring the continuity of the separation process. An inner liner 7 is rotatably installed inside the processing box 5. The inner liner 7 facilitates the generation of centrifugal force under high-speed rotation, causing solid-liquid separation in the butter. The separated liquid enters the oil discharge chamber through the oil discharge port. An oil discharge chamber is opened between the processing box 5 and the inner liner 7. The oil discharge chamber is equipped with a cleaning component. Two electric push rods 13 are installed at the bottom of the inner liner 7. The electric push rods 13 facilitate precise control of the position of the piston 8, realizing flexible opening and closing of the oil discharge port with fast response and high control precision.
[0020] In this invention, a running groove is provided inside the frame 1, and a rotating shaft 6 is fixedly connected to the bottom of the inner tank 7. A sealed bearing is provided between the rotating shaft 6 and the processing box 5. One end of the rotating shaft 6 extends into the running groove inside the frame 1, and the other end of the rotating shaft 6 is fixedly connected to a pulley at the output end of the first motor 4. A belt for transmission is sleeved between the two pulleys. The rotating shaft 6 facilitates the stable and high-speed rotation of the inner tank 7, minimizes torque loss during transmission, and ensures the stability of the separation effect. Multiple oil drain ports are equidistantly provided on the side wall of the inner tank 7. A piston 8 is fixedly connected to the output end of the two electric push rods 13. The side wall of the piston 8 is movably sealed to the oil drain ports through the electric push rods 13. The piston 8 facilitates precise control of the opening and closing time of the oil drain ports according to the needs of the separation process, ensuring the separation effect and grease quality. The cleaning component includes a fixed circular rail 10 fixed to the top of the oil drain chamber and a limiting groove opened at the bottom of the oil drain chamber. A moving block 14 is provided at the bottom of the fixed circular rail 10, and a straight... The moving block 14 is equipped with a linear motor. A first fixed block is fixed to the bottom of the moving block 14, and a traction steel wire is fixed to the first fixed block. The cleaning components facilitate smooth movement along the fixed circular rail 10, providing stable traction force for the scraper 11 and achieving efficient cleaning. The scraper 11 is movably engaged in the limiting groove, and a second fixed block is fixed to the top of the scraper 11. The other end of the traction steel wire is fixed to the second fixed block. The scraper 11, driven by the moving block 14, moves circumferentially along the bottom of the oil discharge chamber, effectively scraping away the oil adhering to the surface. The oil draining chamber is cleaned of grease and impurities from its inner wall. The inner tank 7 has a hollow cylindrical top that extends into the processing box 5. The top of the inner tank 7 is fixedly connected to the feed pipe 2, and the bottom of the feed pipe 2 is fixedly connected to the disc 9. A rear draining chamber is formed between the top of the feed pipe 2 and the inner tank 7. A drain pipe 3 is provided in the draining chamber. One end of the drain pipe 3 extends out of the top side wall of the inner tank 7. The drain pipe 3 facilitates the timely discharge of the separated liquid, preventing the liquid from accumulating in the equipment and affecting the separation effect, thus ensuring the continuity of the separation process.
[0021] Working Principle: In the use of this utility model, firstly, each electrical component in this application is connected to the power supply. Then, the unsalted butter to be processed enters the equipment through the feed pipe 2. After being dispersed by the disc 9 at the bottom of the feed pipe 2, it flows evenly into the inner liner 7. The disc 9 can prevent the butter from directly impacting the bottom of the inner liner 7, ensuring uniform material distribution and laying the foundation for subsequent separation. Next, in the separation stage, after the first motor 4 is started, it drives the rotating shaft 6 to rotate through the pulley and belt, thereby driving the inner liner 7 to rotate at high speed. The sealed bearing between the rotating shaft 6 and the processing box 5 ensures the sealing of the rotation process. The high-speed rotation of the inner liner 7 generates centrifugal force. Under the action of centrifugal force, the liquid components in the butter are thrown out through the oil drain port on the side wall of the inner liner 7 to the oil drain chamber between the processing box 5 and the inner liner 7. Solid impurities are deposited on the inner wall or bottom of the inner liner 7 due to centrifugal force. The separated oil accumulates in the oil drain chamber and is finally discharged through the oil outlet pipe 12 for collection. At the same time, excess water or low-density liquid in the butter is separated through the inner liner 7. The liquid discharge chamber between the top of the inner tank 7 and the feed pipe 2 is discharged through the discharge pipe 3, ensuring that the water content of the separated cream meets specific requirements. At the same time, during the separation process, the electric push rod 13 can drive the piston 8 to move up and down. By sealing or opening the oil discharge port of the inner tank 7 through the side wall of the piston 8, the timing and amount of oil discharge can be controlled to prevent insufficiently separated material from being discharged prematurely. Then, when cleaning is required, the moving block 14 on the fixed circular rail 10 moves circumferentially along the circular rail under the drive of the linear motor. The scraper 11 in the limiting groove moves synchronously through the traction steel wire. The scraper 11 scrapes off the residual grease close to the inner wall of the oil discharge chamber and discharges it from the oil outlet pipe 12, preventing the accumulation of impurities from affecting the separation efficiency and the cleanliness of the equipment. Finally, all the components of the entire equipment are fixed by the frame 1. The frame 1 provides a stable installation foundation for the equipment, ensuring the coordinated operation of each component during the centrifugal separation process and avoiding structural displacement or a decrease in separation effect due to vibration. This concludes the use of the centrifugal filter for solid-liquid separation of unsalted cream.
[0022] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A centrifugal filter for solid-liquid separation of unsalted butter, comprising a frame (1), characterized in that: The first motor (4) is installed upside down at one end of the top of the frame (1), and the other end of the top of the frame (1) is provided with a processing box (5). An oil outlet pipe (12) is fixedly connected to the bottom of the processing box (5). An inner liner (7) is rotatably provided inside the processing box (5). An oil draining chamber is opened between the processing box (5) and the inner liner (7). A cleaning component is provided in the oil draining chamber. Two electric push rods (13) are installed at the bottom of the inner liner (7).
2. The centrifugal filter machine for salt-free cream solid-liquid separation according to claim 1, characterized in that: The frame (1) has a running groove, and the bottom of the inner liner (7) is fixedly connected to a rotating shaft (6). A sealed bearing is provided between the rotating shaft (6) and the processing box (5). One end of the rotating shaft (6) extends into the running groove inside the frame (1), and the other end of the rotating shaft (6) is fixedly connected to a pulley at the output end of the first motor (4). A belt for transmission is sleeved between the two pulleys.
3. The centrifugal filter machine for salt-free cream solid-liquid separation according to claim 2, characterized in that: The inner liner (7) has multiple oil drain ports equidistantly opened on its side wall. The output ends of the two electric push rods (13) are fixedly connected to pistons (8). The side wall of the pistons (8) is movably sealed to the oil drain ports through the electric push rods (13).
4. The centrifugal filter for solid-liquid separation of unsalted butter according to claim 3, characterized in that: The cleaning component includes a fixed circular rail (10) fixed to the top of the oil drain chamber and a limiting groove opened at the bottom of the oil drain chamber. The fixed circular rail (10) has a moving block (14) at the bottom. A linear motor is installed on one side of the moving block (14). A first fixed block is fixed to the bottom of the moving block (14), and a traction steel wire is fixed to the first fixed block.
5. The centrifugal filter for solid-liquid separation of unsalted butter according to claim 4, characterized in that: A scraper (11) is movably engaged in the limiting groove. A second fixing block is fixedly connected to the top of the scraper (11), and the other end of the traction steel wire is fixedly connected to the second fixing block.
6. The centrifugal filter machine for salt-free cream solid-liquid separation according to claim 1, characterized in that: The top of the inner liner (7) extends into the processing box (5) in a hollow cylindrical shape. The top of the inner liner (7) is fixedly connected to the feed pipe (2), and the bottom of the feed pipe (2) is fixedly connected to the disc (9). A rear drain chamber is formed between the top of the feed pipe (2) and the inner liner (7). A drain pipe (3) is provided in the drain chamber, and one end of the drain pipe (3) extends out of the top side wall of the inner liner (7).