An oil treatment system for food frying

Abstract

This invention relates to the technical field of edible oil processing, and in particular to an oil processing system for food frying, comprising a frying tank for storing edible oil and frying food; and a pressing structure for pressing and removing residue from the edible oil. The pressing structure includes a vertical barrel, a first auxiliary chamber, a conveying channel, a vertical column, and a piston. The vertical barrel is located vertically below the frying tank, and the first auxiliary chamber is installed on the outer wall of the vertical barrel and communicates with the inside of the vertical barrel. This system can automatically collect and process residue generated during frying, avoiding the traditional manual retrieval method, reducing labor costs and the labor intensity of workers, while also improving the efficiency and frequency of residue processing. By pressing the residue, the oil is squeezed out and recovered, which reduces oil waste, extends the oil's service life, and lowers production costs.

Description

Technical Field

[0001] This invention relates to the technical field of edible oil processing, and in particular to an oil processing system for food frying. Background Technology

[0002] In the modern food industry, fried foods are loved by consumers for their unique flavor and texture, and have become one of the most popular foods around the world. However, the frying process is also accompanied by a series of technical challenges and environmental problems. Among them, the most prominent are the reuse of cooking oil, the maintenance of oil quality, and the treatment of waste oil and fumes generated during the frying process.

[0003] During frying, food residue gradually accumulates in the oil. Prolonged frying and heating of this residue can lead to oil deterioration and the production of harmful substances such as acrylamide and polycyclic aromatic hydrocarbons. This not only affects the safety and taste of food but also shortens the oil's lifespan and increases production costs. Therefore, after a certain number of uses, edible oil needs to have the accumulated residue removed before it can be used for frying again. The removal of residue usually relies on workers using tools such as oil filter clamps, oil strainer screens, and oil ladle, which requires a lot of time and manpower and cannot completely remove the residue. Summary of the Invention

[0004] To solve the above-mentioned technical problems, the present invention provides an oil treatment system for the food frying process, the specific technical solution of which is as follows:

[0005] An oil treatment system for food frying process, comprising:

[0006] A deep fryer is used to store cooking oil and to deep fry food.

[0007] An extrusion structure is used to extrude residues in edible oil and remove them from the oil. The extrusion structure includes a vertical barrel, a first auxiliary chamber, a conveying channel, a vertical column, and a piston. The vertical barrel is located vertically below the frying tank. The first auxiliary chamber is installed on the outer wall of the vertical barrel and communicates with the inside of the vertical barrel. The conveying channel connects the frying tank and the first auxiliary chamber. The piston is located on the upper side inside the vertical barrel, and the vertical column is located on the lower side inside the vertical barrel. The internal space of the vertical barrel between the vertical column and the piston is used to process residues in the edible oil. A discharge channel for discharging residues is inclinedly connected to the outer wall of the vertical barrel. A cavity is opened inside the vertical column, and the top of the vertical column is densely covered with filter holes, which communicate with the vertical column.

[0008] A unidirectional structure is located within the first auxiliary compartment, and the unidirectional structure is used to allow edible oil to flow unidirectionally between the conveying channel and the vertical barrel;

[0009] A reflux structure is provided to allow the edible oil in the vertical column to flow back into the frying tank.

[0010] A cleaning structure is used to clean the residue filtered through the filter holes on the vertical column into the discharge channel.

[0011] The bottom of the frying box is inclined.

[0012] Furthermore, the reflux structure includes an oil guiding channel opened in the vertical column and a cover plate fastened to the bottom of the vertical column. The cover plate blocks the oil guiding channel, and the cover plate is connected to the frying box through an oil pipe. When the vertical column is rotated to a specified angle, the oil guiding channel in the vertical column connects with the oil pipe.

[0013] Furthermore, the unidirectional structure includes a rotating column rotatably embedded in the first auxiliary compartment, a first sealing plate sealing the opening of the conveying channel in the first auxiliary compartment, the first sealing plate being fixedly connected to the rotating column, and the rotating column being connected to the first auxiliary compartment via a spring clip.

[0014] Furthermore, the piston is connected to the frying tank via a power wheel;

[0015] The cleaning structure includes a right-angle hanging plate installed on the piston fixing part and a second auxiliary compartment connected to the outer wall of the vertical barrel. An air supply pipe is connected to the second auxiliary compartment. A second sealing plate is slidably installed in the second auxiliary compartment. The second sealing plate blocks the opening of the air supply pipe. A connecting plate is provided on the second sealing plate. A roller is rotatably installed on the connecting plate. The roller is used to lock the right-angle hanging plate.

[0016] The interior space of the second auxiliary compartment is designed in a wedge shape.

[0017] Furthermore, the outer wall of the vertical barrel is provided with a side plate, and a guide groove plate rolls on the side plate. The guide groove plate is square in shape, and a sliding column is slidably provided inside the guide groove plate. A connecting rod is provided on the sliding column. The connecting rod rotates on the sliding column, and the rotation axis of the connecting rod is parallel to the axis of the vertical column. The end of the connecting rod is slidably inserted into the vertical column.

[0018] Furthermore, a first motor is provided on the side plate, and a rotating shaft is provided at the output end of the first motor. A sliding rod is slidably inserted on the rotating shaft, and the sliding rod is rotatably connected to the sliding column.

[0019] Furthermore, multiple support columns are arranged horizontally side by side inside the frying box, and the support columns rotate inside the frying box.

[0020] Furthermore, multiple drive wheels are rotatably arranged on the outer wall of the frying box, the support column is connected to the drive wheels, and two adjacent drive wheels are connected to each other. The frying box is equipped with a second motor and a power wheel for providing power to one drive wheel.

[0021] The advantages of this invention are:

[0022] This system automatically collects and processes residue generated during frying, eliminating the need for traditional manual scooping, reducing labor costs and worker workload, while also improving the efficiency and frequency of residue processing. By squeezing the residue, the oil is expelled and recovered, reducing oil waste, extending the oil's lifespan, and lowering production costs. The circulating flow of oil within the system helps to evenly distribute oil temperature, ensuring temperature control during frying, and also helps to lift residue from the bottom for more thorough removal. The system can continuously process residue in the oil, maintaining oil cleanliness even during frying and supporting long-term continuous production. In summary, this oil processing system, through its automated and efficient residue handling mechanism, not only solves the technical challenges in the frying process but also improves production efficiency, reduces production costs, and ensures food safety and a safe working environment. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the structure of the present invention;

[0025] Figure 2 yes Figure 1 Top view of the fryer box;

[0026] Figure 3 yes Figure 1 Enlarged structural diagram of the central vertical barrel and vertical column;

[0027] Figure 4 yes Figure 3 Schematic diagram of cross-section structure;

[0028] Figure 5 yes Figure 3 Enlarged schematic diagram of the guide groove plate;

[0029] Figure 6 yes Figure 4 A magnified view of the structure at point A in the middle;

[0030] Reference numerals: 1. Frying box; 2. Vertical barrel; 3. First auxiliary compartment; 4. Conveying channel; 5. Vertical column; 6. Piston; 7. Discharge channel; 8. Cavity; 9. Filter hole; 10. Cover plate; 11. Oil pipe; 12. Rotating column; 13. First sealing plate; 14. Spring; 15. Right-angle hanging plate; 16. Second auxiliary compartment; 17. Air supply pipe; 18. Second sealing plate; 19. Connecting plate; 20. Idler roller; 21. Side plate; 22. Guide groove plate; 23. Sliding column; 24. Connecting rod; 25. First motor; 26. Rotating shaft; 27. Sliding rod; 28. Support column; 29. ​​Transmission wheel; 30. Second motor; 31. Power wheel; 32. Spring. Detailed Implementation

[0031] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0032] In the description of this invention, it should be noted that the orientations or positional relationships indicated by terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inner", and "outer" are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this invention 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. Therefore, they should not be construed as limitations on this invention.

[0033] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. This embodiment is written in a progressive manner.

[0034] like Figures 1 to 6 As shown, an oil treatment system for food frying according to the present invention includes:

[0035] Deep fryer 1 is used to store edible oil and deep fry food.

[0036] An extrusion structure is used to extrude residues in edible oil and remove them from the oil. The extrusion structure includes a vertical barrel 2, a first auxiliary chamber 3, a conveying channel 4, a vertical column 5, and a piston 6. The vertical barrel 2 is located vertically below the frying tank 1. The first auxiliary chamber 3 is installed on the outer wall of the vertical barrel 2 and communicates with the inside of the vertical barrel 2. The conveying channel 4 is used to connect the frying tank 1 and the first auxiliary chamber 3. The piston 6 is located on the upper side inside the vertical barrel 2, and the vertical column 5 is located on the lower side inside the vertical barrel 2. The internal space of the vertical barrel 2 between the vertical column 5 and the piston 6 is used to process residues in the edible oil. A discharge channel 7 for discharging residues is inclinedly connected to the outer wall of the vertical barrel 2. A cavity 8 is opened inside the vertical column 5, and filter holes 9 are densely distributed on the top of the vertical column 5. The filter holes 9 communicate with the vertical column 5.

[0037] A unidirectional structure is located within the first auxiliary compartment 3, and the unidirectional structure is used to allow edible oil to flow unidirectionally between the conveying channel 4 and the vertical barrel 2.

[0038] A reflux structure is provided to allow the edible oil in the vertical column 5 to flow back into the frying box 1.

[0039] A cleaning structure is used to clean the residue on the vertical column 5 that has been filtered by the filter hole 9 into the discharge channel 7.

[0040] The bottom of the fryer box 1 is inclined.

[0041] In detail, the vertical barrel 2 can be fixed to the bottom of the frying box 1 via the first auxiliary compartment 3 and the conveying channel 4. The vertical barrel 2 can also be fixed using other common structures. Both the vertical column 5 and the piston 6 can move vertically inside the vertical barrel 2. During use, the frying box 1 contains edible oil, which is used to fry the food. During frying, food residue falls to the lower side of the frying box 1 and enters the conveying channel 4 through the inclined surface at the bottom of the frying box 1. The residue and oil in the conveying channel 4 can enter the space between the vertical column 5 and the piston 6 inside the vertical barrel 2 via the first auxiliary compartment 3. Due to the unidirectional structure, when the vertical column 5 is pushed upwards, the piston 6 remains stationary. The oil between the vertical column 5 and the piston 6 flows back into the frying tank 1 through the filter hole 9, cavity 8, and reflux structure. The filter hole 9 can intercept the residue in the oil. When the vertical column 5 and the piston 6 come into contact, they can squeeze the residue, thereby squeezing out the oil from the residue, which facilitates the full recovery of the oil. After the residue is squeezed out, the vertical column 5 and the piston 6 move upward synchronously, thereby carrying the residue to the position of the discharge channel 7, causing the piston 6 to move upward and separate from the vertical column 5. The residue on the vertical column 5 can be discharged into the discharge channel 7 through the cleaning structure. This realizes the collection and pressing of residue and the oil removal process, avoiding the residue from contaminating and damaging the edible oil.

[0042] It should be noted that when the vertical column 5 moves down, the space between the vertical column 5 and the piston 6 increases, and the oil and residue in the conveying channel 4 are drawn back into the space between the vertical column 5 and the piston 6. This achieves continuous and repeated processing of the oil. During this process, the oil in the frying tank 1 can circulate by means of the extrusion structure, thereby using the flowing oil to carry the residue on the lower side of the frying tank 1, making it easier for the residue to enter the vertical barrel 2.

[0043] This system automatically collects and processes residue generated during frying, eliminating the need for traditional manual scooping, reducing labor costs and worker workload, while also improving the efficiency and frequency of residue processing. By squeezing the residue, the oil is expelled and recovered, reducing oil waste, extending the oil's lifespan, and lowering production costs. The circulating flow of oil within the system helps to evenly distribute oil temperature, ensuring temperature control during frying, and also helps to lift residue from the bottom for more thorough removal. The system can continuously process residue in the oil, maintaining oil cleanliness even during frying and supporting long-term continuous production. In summary, this oil processing system, through its automated and efficient residue handling mechanism, not only solves the technical challenges in the frying process but also improves production efficiency, reduces production costs, and ensures food safety and a safe working environment.

[0044] Furthermore, the reflux structure includes an oil guide channel opened in the vertical column 5 and a cover plate 10 fastened to the bottom of the vertical column 5. The cover plate 10 blocks the oil guide channel. The cover plate 10 is connected to the frying box 1 through an oil pipe 11. When the vertical column 5 is rotated to a specified angle, the oil guide channel in the vertical column 5 is connected to the oil pipe 11.

[0045] In detail, when the vertical column 5 moves upward, the oil pipe 11 and the oil guide channel are in a docking connection state. At this time, the oil collected in the cavity 8 can flow back into the frying tank 1 through the oil guide channel and the oil pipe 11. When the vertical column 5 moves downward, the vertical column 5 rotates around its own axis by a specified angle. At this time, the oil guide channel and the oil pipe 11 are offset from each other, so that the vertical column 5 and the oil pipe 11 are in a disconnected state, which makes it convenient to use the movement of the vertical column 5 to suck the oil in the conveying channel 4 and the frying tank 1 into the vertical barrel 2.

[0046] It should be noted that when the vertical column 5 moves down, the piston 6 moves to the initial position. When the vertical column 5 moves, it can drive the cover plate 10 to move synchronously. The cover plate 10 only moves in the vertical direction and does not rotate with the vertical column 5. When the cover plate 10 moves, the oil pipe 11 deforms.

[0047] The cover plate 10 can be guided by a guide rod or guide rail (not shown in the attached figure), which are commonly used structures. That is, the cover plate 10 can be vertically slidably installed on the guide rod.

[0048] Furthermore, the unidirectional structure includes a rotating column 12 rotatably embedded in the first auxiliary compartment 3, a first sealing plate 13 sealing the opening of the conveying channel 4 in the first auxiliary compartment 3, the first sealing plate 13 being fixedly connected to the rotating column 12, and the rotating column 12 being connected to the first auxiliary compartment 3 via a spring piece 14.

[0049] In detail, the lower part of the rotating column 12 is exposed outside the first auxiliary chamber 3 and is connected to the spring piece 14. The upper part of the rotating column 12 is exposed inside the first auxiliary chamber 3 and is connected to the first sealing plate 13. The spring piece 14 provides elastic force to the rotating column 12, thereby blocking the opening of the conveying channel 4 with the first sealing plate 13. When the vertical column 5 moves down, the space between the vertical column 5 and the piston 6 increases, and the oil and residue in the conveying channel 4 can be sucked into the vertical barrel 2 by using negative pressure. At this time, the first sealing plate 13 opens.

[0050] Furthermore, the piston 6 is connected to the frying box 1 via a power wheel 31;

[0051] The cleaning structure includes a right-angle hanging plate 15 installed on the fixed part of the piston 6 and a second auxiliary compartment 16 connected to the outer wall of the vertical barrel 2. An air supply pipe 17 is connected to the second auxiliary compartment 16. A second sealing plate 18 is slidably installed in the second auxiliary compartment 16. The second sealing plate 18 blocks the opening of the air supply pipe 17. A connecting plate 19 is provided on the second sealing plate 18. A roller 20 is rotatably installed on the connecting plate 19. The roller 20 is used to lock the right-angle hanging plate 15.

[0052] The interior space of the second auxiliary compartment 16 is designed in a wedge shape.

[0053] In detail, the second sealing plate 18 or connecting plate 19 can be connected to the second auxiliary compartment 16 via a leaf spring (not shown in the attached drawings), so that the leaf spring provides an elastic thrust to the second sealing plate 18 to block the opening of the air supply pipe 17.

[0054] When the vertical column 5 squeezes the piston 6, the action of the power wheel 31 creates a large squeezing force between the vertical column 5 and the piston 6, facilitating the extrusion of oil from the residue. As the vertical column 5 moves upward, the piston 6 overcomes the elastic force of the power wheel 31 and moves upward synchronously. When the residue moves to the position of the discharge channel 7, the right-angle hanging plate 15 moves to the outside of the idler roller 20. At this time, air is supplied to the second auxiliary chamber 16 through the air supply pipe 17. The gas pushes the second sealing plate 18 away from the opening of the air supply pipe 17. Since the internal space of the second auxiliary chamber 16 is... The wedge shape allows gas to flow into the vertical barrel 2 through the gap between the second sealing plate 18 and the inner wall of the second auxiliary chamber 16. As the second sealing plate 18 moves, the leaf spring undergoes elastic deformation, and the roller 20 moves to the inside of the right-angle hanging plate 15. At this time, the vertical column 5 moves down a specified distance. Due to the locking effect of the roller 20 on the right-angle hanging plate 15, the piston 6 cannot move, thus creating a small gap between the vertical column 5 and the piston 6. The gas discharged into the vertical barrel 2 can blow the residue on the upper surface of the vertical column 5 into the discharge channel 7, thereby achieving the cleaning of the residue.

[0055] When the air supply pipe 17 stops discharging gas, the leaf spring can push the second sealing plate 18, the connecting plate 19 and the idler roller 20 to reset, thereby causing the idler roller 20 to disengage from the right-angle hanging plate 15. The right-angle hanging plate 15 is reset by the action of the power wheel 31.

[0056] Furthermore, the outer wall of the vertical barrel 2 is provided with a side plate 21, and a guide groove plate 22 rolls on the side plate 21. The guide groove plate 22 is square in shape, and a sliding column 23 is slidably provided inside the guide groove plate 22. A connecting rod 24 is provided on the sliding column 23. The connecting rod 24 rotates on the sliding column 23, and the rotation axis of the connecting rod 24 is parallel to the axis of the vertical column 5. The end of the connecting rod 24 is slidably inserted into the vertical column 5.

[0057] In detail, when the sliding column 23 moves in the front vertical area within the guide groove plate 22, the sliding column 23 can drive the vertical column 5 to move vertically via the connecting rod 24. At this time, the oil guide channel is connected to the oil pipe 11. When the sliding column 23 moves in the rear vertical area within the guide groove plate 22, due to the displacement of the sliding column 23 in the front-back direction, the sliding column 23 can push the vertical column 5 to rotate via the connecting rod 24. At this time, the oil guide channel is disconnected from the oil pipe 11. As the sliding column 23 performs continuous rotational motion within the guide groove plate 22, the vertical column 5 repeatedly moves up and down, and the oil guide channel repeatedly connects and disconnects from the oil pipe 11. The side plate 21 is used to support the guide groove plate 22.

[0058] Furthermore, a first motor 25 is provided on the side plate 21, and a rotating shaft 26 is provided at the output end of the first motor 25. A sliding rod 27 is slidably inserted on the rotating shaft 26, and the sliding rod 27 is rotatably connected to the sliding column 23.

[0059] In detail, the first motor 25 can move the slide column 23 by rotating the shaft 26 and sliding the slide rod 27, thereby providing power to the slide column 23. Since the slide column 23 moves along the trajectory of the guide groove plate 22, the slide column 23 can push the slide rod 27 to slide through the shaft 26 in the opposite direction.

[0060] Furthermore, multiple support columns 28 are arranged horizontally side by side inside the frying box 1, and the support columns 28 rotate inside the frying box 1.

[0061] In detail, the support column 28 is rotatably installed inside the frying box 1. Multiple support columns 28 are arranged side by side, so that multiple support columns 28 form a screening area. Fried food can fall onto multiple support columns 28, while food residue can pass through the gap between two adjacent support columns 28 and fall into the lower side of the inside of the frying box 1, thereby separating food and residue. Furthermore, because the support column 28 rotates, residue can be prevented from accumulating on the support column 28.

[0062] Furthermore, multiple drive wheels 29 are rotatably arranged on the outer wall of the frying box 1, the support column 28 is connected to the drive wheels 29, and two adjacent drive wheels 29 are connected to each other. The frying box 1 is provided with a second motor 30 and a power wheel 31 for providing power to one drive wheel 29.

[0063] In detail, the second motor 30 is fixed on the outer wall of the frying box 1, and the power wheel 31 is installed on the output end of the second motor 30. The power wheel 31 is connected to a transmission wheel 29. In this way, the second motor 30 and the power wheel 31 can drive multiple transmission wheels 29 to rotate synchronously, thereby providing power to multiple support columns 28.

[0064] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. An oil treatment system for food frying process, characterized in that, include: Deep fryer (1) is used to store edible oil and deep fry food. An extrusion structure is used to extrude residues in edible oil and remove them from the edible oil. The extrusion structure includes a vertical barrel (2), a first auxiliary chamber (3), a conveying channel (4), a vertical column (5), and a piston (6). The vertical barrel (2) is located vertically below the frying box (1). The first auxiliary chamber (3) is installed on the outer wall of the vertical barrel (2) and communicates with the inside of the vertical barrel (2). The conveying channel (4) is used to connect the frying box (1) and the first auxiliary chamber (3). The piston (6) is located on the upper side inside the vertical barrel (2). The vertical column (5) is located on the lower side inside the vertical barrel (2). The internal space of the vertical barrel (2) between the vertical column (5) and the piston (6) is used to process residues in edible oil. The outer wall of the vertical barrel (2) is inclined and connected to a discharge channel (7) for discharging residues. A cavity (8) is opened inside the vertical column (5). The top of the vertical column (5) is densely covered with filter holes (9), which communicate with the vertical column (5). A unidirectional structure is located within the first auxiliary compartment (3) and is used to allow edible oil to flow unidirectionally between the conveying channel (4) and the vertical barrel (2); A reflux structure is provided to allow the edible oil in the vertical column (5) to flow back into the fryer (1); The cleaning structure is used to clean the residue on the vertical column (5) that has been filtered by the filter hole (9) into the discharge channel (7); Among them, the bottom surface of the frying box (1) is inclined; The reflux structure includes an oil guide channel opened in the vertical column (5) and a cover plate (10) fastened to the bottom of the vertical column (5). The cover plate (10) seals the oil guide channel. The cover plate (10) is connected to the fryer (1) through an oil pipe (11). When the vertical column (5) is rotated to a specified angle, the oil guide channel in the vertical column (5) is connected to the oil pipe (11). The unidirectional structure includes a rotating column (12) that is rotatably embedded in the first auxiliary compartment (3). The opening of the conveying channel (4) in the first auxiliary compartment (3) is sealed by a first sealing plate (13). The first sealing plate (13) is fixedly connected to the rotating column (12). The rotating column (12) and the first auxiliary compartment (3) are connected by a spring piece (14). The piston (6) is connected to the frying box (1) via a power wheel (31); The cleaning structure includes a right-angle hanging plate (15) installed on the piston (6) fixing part and a second auxiliary compartment (16) connected to the outer wall of the vertical barrel (2). An air supply pipe (17) is connected to the second auxiliary compartment (16). A second sealing plate (18) is slidably installed in the second auxiliary compartment (16). The second sealing plate (18) seals the opening of the air supply pipe (17). A connecting plate (19) is provided on the second sealing plate (18). A roller (20) is rotatably installed on the connecting plate (19). The roller (20) is used to lock the right-angle hanging plate (15). The interior space of the second auxiliary compartment (16) is wedge-shaped.

2. The oil treatment system used in the food frying process according to claim 1, characterized in that, The outer wall of the vertical barrel (2) is provided with a side plate (21), and a guide groove plate (22) rolls on the side plate (21). The guide groove plate (22) is square in shape. A sliding column (23) is slidably provided in the guide groove plate (22). A connecting rod (24) is provided on the sliding column (23). The connecting rod (24) rotates on the sliding column (23), and the rotation axis of the connecting rod (24) is parallel to the axis of the vertical column (5). The end of the connecting rod (24) is slidably inserted into the vertical column (5).

3. The oil treatment system used in the food frying process according to claim 2, characterized in that, A first motor (25) is provided on the side plate (21). A rotating shaft (26) is provided at the output end of the first motor (25). A sliding rod (27) is slidably inserted on the rotating shaft (26). The sliding rod (27) is rotatably connected to the sliding column (23).

4. The oil treatment system used in the food frying process according to claim 3, characterized in that, Multiple support columns (28) are arranged horizontally side by side inside the frying box (1), and the support columns (28) rotate inside the frying box (1).

5. The oil treatment system used in the food frying process according to claim 4, characterized in that, The frying box (1) is provided with multiple drive wheels (29) rotatably mounted on its outer wall. The support column (28) is connected to the drive wheels (29) in a drive-drive connection. Two adjacent drive wheels (29) are connected to each other in a drive-drive connection. The frying box (1) is provided with a second motor (30) and a power wheel (31) for providing power to one drive wheel (29).

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