Frying device with oil circulation and purification function and frying oil separation function

Abstract

To provide a frying apparatus having a recycling purifying function of oil and a separating function of frying oil.SOLUTION: A frying apparatus comprises: a body casing which forms the appearance; a basket 250 which is provided on the outside of the body casing, stores materials to be cooked and is formed of a net body; one or more oil tanks 300 which are configured to store the basket 250 in the body casing and stores edible oil; a cooking heater 310 which is provided on the outer peripheral surface of the oil tank 300 and performs fry cooking by heating the edible oil stored in the oil tank 300; and an oil purifying recycling unit 400 which is provided in communication with the lower part of the oil tank 300 and has a process of collecting and purifying the edible oil used in the fry cooking from the oil tank 300 and re-supplying the oil to the oil tank 300 in a circulation manner.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present invention relates to a deep-frying device having an oil circulation and purification function and a frying oil separation function, and more specifically, to a deep-frying device having an oil circulation and purification function and a frying oil (fat) separation function, which allows edible oil used for deep-frying to be periodically and continuously purified and recirculated so that the purity of the oil used is always constant, thereby allowing deep-fried foods to be cooked hygienically, improving the taste of the deep-fried foods, and minimizing the consumption of edible oil to reduce costs, and which allows oil to be automatically and quickly separated and removed from the deep-fried foods at the location where deep-frying is performed, improving the crispy texture of the foods and preventing excessive intake of deep-frying oil. [Background technology]

[0002] There are many different types of cuisine, and the most popular among the general public is fried food. Fried food is made by dipping fish, meat, vegetables, etc. in flour and deep frying them in oil. Fast food restaurants, chicken restaurants, fried food restaurants, and other restaurants serve fried food, and the number of such dishes has been increasing exponentially in recent years.

[0003] Restaurants that serve these fried foods store frying oil in a tank, heat it, add ingredients for frying, and then use a net to scoop up the food. This may seem like a relatively simple cooking method, but the temperature of the frying oil rises to 150-200°C while the food is being cooked, so considerable care is required. The oil tank is also exposed to the outside, so special care is required.

[0004] However, there was a problem in that even if the chef tried to be careful, he or she would still be burned by the frying oil that splashed out of the frying device.

[0005] To solve this problem, a frying device has recently been invented. This device solves the above problem by using a technology that fixes a central shaft to a basket, lowers the central shaft to put food into an oil tank and fry it, and then raises the central shaft to scoop up the food from the oil tank when the food is done.

[0006] However, since the central shaft is inserted through the oil tank, a sealed bearing is provided between the central shaft and the oil tank via a wear-resistant filler and a sealing ring, but since the temperature of the frying oil is high, the sealed bearing is damaged and needs to be replaced continuously.

[0007] In addition, fried foods made by deep frying ingredients do not have all the oil removed, so when you eat fried foods, you ingest the frying oil as is, which can cause obesity, one of the biggest problems for modern people these days.Not only that, but the oil (fat) that remains in the fried foods can cause the taste and quality of the fried foods to deteriorate.

[0008] In particular, the taste of fried foods varies depending on the cooking time, temperature of the frying oil, and conditions for removing the oil. However, since the above conditions also vary depending on the skill of the chef, there has been a problem in that even in the same restaurant, the same taste cannot be achieved and the dishes tend to taste different.

[0009] On the other hand, frying oil can easily deteriorate during the heating and cooking process if used for a long time, and impurities such as lumps of oil ash can easily form inside the oil, which can have adverse effects on health.

[0010] In addition, conventionally, the deteriorated frying oil must be discharged one by one and replaced with new frying oil, which results in a gradual increase in consumption of frying oil and an increase in costs.

[0011] In addition, in the past, in order to make fried foods crispier, a chef had to manually scoop up the fried foods from the cooking area and separate the frying oil after the cooking was completed, which was extremely inconvenient and could lead to accidents such as burns during the transfer process.

[0012] In addition, when a chef scoops up fried foods from the cooking position and moves them to a frying oil separation position, once the frying oil comes into contact with the outside air, a thin oil oxide film is instantly formed, and no matter how well the oil is separated at the frying oil separation position, the oil is not properly separated from the fried foods, which can make it difficult to properly preserve the crispy texture of the food and can also make it difficult to effectively prevent excessive consumption of frying oil. [Prior art documents] [Patent documents]

[0013] [Patent Document 1] Korean Patent No. 10-1146881 [Patent Document 2] Korean Patent No. 10-0544821 Summary of the Invention [Problem to be solved by the invention]

[0014] The object of the present invention is to provide a deep-frying device having an oil circulation and purification function and a frying oil separation function, which integrates deep-frying, circulating and refining edible oil (one purification after three cooking steps) and separating and removing frying oil in one place, thereby allowing deep-fried foods to be cooked hygienically with edible oil that is always cleanly refined (to prevent oxidation of fried flour), improving the taste of deep-fried foods, and minimizing consumption of edible oil to reduce costs. The object of the present invention is to provide a deep-frying device having an oil circulation and purification function and a frying oil separation function, which automatically rotates the oil from the fried foods at the location where deep-frying is performed, and allows the process of separating the frying oil from the fried foods to be performed very conveniently and safely.

[0015] To provide a deep-frying device having an oil circulation and purification function and a deep-frying oil separation function, which can automatically separate the oil immediately after deep-frying is completed without the need for the chef to manually scoop out the fried foods one by one, and can prevent the formation of an oxidized oil film and smoothly and efficiently separate the deep-frying oil, thereby improving the crispy texture of the fried foods and preventing excessive intake of deep-frying oil. [Means for solving the problem]

[0016] In order to achieve the above object, the present invention includes a main casing which forms an exterior, a basket which is provided on the outside of the main casing and in which ingredients to be cooked are placed and which is formed of a mesh body, one or more oil tanks which are configured to accommodate the basket inside the main casing and in which edible oil is stored, a cooking heater which is provided on the outer periphery of the oil tank and which heats the edible oil stored inside the oil tank to perform deep-frying, an oil purification and circulation unit which is provided in communication with the lower part of the oil tank and which circulates a process in which the edible oil used for deep-frying is collected from the oil tank, refined, and then supplied back to the oil tank, a rotation drive unit which rotates the basket to separate oil from the fried foods contained inside the basket by the centrifugal force of rotation, and an oil spill prevention cover which is fixedly provided to prevent the oil separated from the fried foods contained inside the basket from splashing elsewhere when the basket rotates.

[0017] In a first embodiment of the present invention, the oil tank further includes a basket hanger having an opening exposed at an upper portion of the main casing, and the basket is hung and accommodated inside the basket hanger. The oil tank is configured to be able to rise and fall so as to accommodate the basket when it rises from a lower portion of the basket hanger, and further includes a lifting drive unit connected to the oil tank and providing a driving force for the oil tank to rise and fall. The lifting drive unit is provided adjacent to a lower portion of the oil tank, and the rotation drive unit rotates the basket when the oil tank descends, and is provided adjacent to a center portion of a lower portion of the basket hanger and connected to the basket hanger.

[0018] According to a second embodiment of the present invention, the basket is hung and accommodated inside the oil tank, the oil tank is provided on one side of the upper part of the main body casing with an opening exposed from the inside of the main body casing, and the other side of the upper part of the main body casing is provided with an opening exposed from the inside of the main body casing, and an oil separation unit is further provided in which the basket containing the fried food that has been fried is transferred and hung inside for storage, the oil separation unit has an opening exposed through the other side of the upper part of the main body casing, and includes a rotor in which the basket can be accommodated, and an oil collection tank that is provided between the rotor and the oil spill prevention cover and allows oil separated from the fried food contained inside the basket when the rotor rotates to be collected and stored separately, and a basket hanger is provided inside the rotor so that the basket containing the fried food that has been cooked can be hung on the upper part, and the rotor is connected to the rotation drive unit, and the rotor rotates together with the basket provided inside by the rotation drive unit.

[0019] The third embodiment of the present invention has a similar configuration to the first embodiment of the present invention, and the basket is hung and accommodated inside the further second oil tank, the further oil tank is provided on one side of the upper part of the main body casing so that an opening is exposed from the inside of the main body casing, and the other side of the upper part of the main body casing is provided so that an opening is exposed from the inside of the main body casing, and an oil separation unit is further provided in which the basket containing the fried food that has been fried is transferred from the further oil tank and hung and accommodated inside, the oil separation unit has an opening exposed through the other side of the upper part of the main body casing, and includes a rotor in which the basket can be accommodated, and an oil recovery tank that is provided in communication between the rotor and the oil spill prevention cover, and allows oil separated from the fried food contained inside the basket to be collected and stored separately when the rotor rotates, and the rotor is connected to the rotation drive unit and rotates together with the basket by the rotation drive unit.

[0020] In addition, the oil refining and circulating unit includes a refined edible oil circulation pipe connected to the center of the lower part of the oil tank and having a double-pipe structure so that used edible oil is discharged therethrough and refined edible oil is supplied back to the oil tank; an oil discharge pipe provided at one end of the refined edible oil circulation pipe and through which used edible oil is discharged; a refined oil suction pipe provided at the other end of the refined edible oil circulation pipe and providing a path through which the refined edible oil is again sucked in through the refined edible oil circulation pipe; an oil refining and circulating tank connected to the oil discharge pipe and the refined oil suction pipe so that the edible oil flowing in through the oil discharge pipe is refined and only the refined edible oil is sucked in through the refined oil suction pipe; and a suction pump provided at the refined oil suction pipe and providing a suction force for sucking the refined edible oil from the oil refining and circulating tank. The oil refinery circulation tank is provided in the form of a box with an open top, a filter net is provided at the top above the middle part, and a refinery filter is provided below the height of the middle part, and the oil discharge pipe extends only from the inside of the oil refinery circulation tank to the top of the filter net. The refined oil intake pipe is provided to extend from the inside of the oil refinery circulation tank to the bottom of the refinery filter. The refinery circulation pipe is provided such that the inner pipe at the center communicates with the oil discharge pipe and the exterior communicates with the refined oil intake pipe.

[0021] In any of the first to third embodiments of the present invention described above, the oil spill prevention cover is provided spaced apart from the rotating body inside the main casing and the basket housed in one or more of the basket hangers.

[0022] The features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Effect of the Invention

[0023] According to the present invention, a frying device having an oil circulation purification function and a frying oil separation function can be provided, which allows deep-frying, circulating and refining edible oil, and separating and removing frying oil by rotating the basket, all of which are integrated in one place, so that deep-frying food can always be cooked hygienically with cleanly refined edible oil, the taste of deep-frying food can be improved, and the consumption of edible oil can be minimized to reduce costs, and the process of separating frying oil from fried food can be performed very conveniently and safely by conveniently separating and removing oil from fried food. Furthermore, there is an effect that the oil can be conveniently rotated and separated and removed from the fried food automatically at the position where deep-frying is performed without having to move the basket as necessary. [Brief description of the drawings]

[0024] [Figure 1] 1 is a perspective view showing the appearance of a frying device having an oil circulation and purification function and a frying oil separation function according to the present invention. [Diagram 2] 1 is a perspective view showing the internal configuration of a frying device having an oil circulation and purification function and a frying oil separation function according to the present invention. FIG. [Diagram 3] 1 is a front view showing the internal configuration of a frying device having an oil circulation and purification function and a frying oil separation function according to the present invention. FIG. [Figure 4] 1 is a side view showing the internal configuration of a frying device having an oil circulation and purification function and a frying oil separation function according to the present invention. FIG. [Diagram 5] FIG. 4 is a perspective view showing the appearance of a frying device having an oil circulation and purification function and a frying oil separation function according to a second embodiment of the present invention. [Figure 6] FIG. 5 is a perspective view showing the internal configuration of a frying device having an oil circulation and purification function and a frying oil separation function according to a second embodiment of the present invention. [Figure 7] FIG. 5 is a front view showing the internal configuration of a frying device having an oil circulation and purification function and a frying oil separation function according to a second embodiment of the present invention. [Figure 8]FIG. 5 is a side view showing the internal configuration of a frying device having an oil circulation and purification function and a frying oil separation function according to a second embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0025] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In this process, the thickness of lines and the size of components shown in the drawings may be exaggerated for the sake of clarity and convenience of the description.

[0026] In addition, the terms described below are defined in consideration of the functions in the present invention, and may differ depending on the intention or practice of a user or operator. Therefore, the definitions of such terms should be based on the overall contents of this specification.

[0027] Furthermore, the following examples do not limit the scope of the present invention, but are merely illustrative of the elements presented in the claims of the present invention. Examples that are included in the overall technical idea of ​​the specification of the present invention and include elements that can be substituted as equivalents for the elements in the claims may be included in the scope of the present invention.

[0028] FIG. 1 is a perspective view showing the appearance of a frying device having an oil circulating and refining function and a frying oil separating function according to the present invention, and FIG. 2 is a perspective view showing the internal configuration of the frying device having an oil circulating and refining function and a frying oil separating function according to the present invention.

[0029] As shown in Fig. 1 and Fig. 2, the frying device having the function of circulating and refining oil and separating frying oil according to the present invention includes a main casing 100 forming an exterior, a basket 250 formed of a net body and containing ingredients to be cooked, one or more oil tanks 300 configured to accommodate the basket 250 inside the main casing 100 and storing cooking oil inside, a cooking heater 310 provided on the outer periphery of the oil tank 300 and heating the cooking oil stored inside the oil tank 300 to perform frying, and an oil purification and circulation unit 400 provided in communication with the lower part of the oil tank 300 and configured to circulate the process of collecting the cooking oil used for frying from the oil tank 300, refining it, and supplying it back to the oil tank 300. Here, the cooking heater preferably includes a heating heater.

[0030] The main body casing is provided to form an approximately rectangular parallelepiped appearance as shown in the drawing. The oil purification and circulation unit is provided at the top of the main body casing, and a mounting base 110 is provided at the bottom of the main body casing to support the unit. The bottom of the mounting base is provided with movable wheels 120 to facilitate easy installation and movement.

[0031] According to the above-mentioned structure, unlike the conventional structure, the heater for heating the frying oil is not located inside the oil tank, but a cooking heater is provided on the outer surface of the oil tank. This prevents the heater from burning inside the oil tank or causing foreign matter, as was the case in the conventional structure, and also makes cleaning easier.

[0032] In the first embodiment of the present invention, the main casing further includes a basket hanger 200 having an opening exposed at the top thereof, and the basket 250 is hung and accommodated inside the basket hanger 200. At this time, an opening is formed at the top of the main casing through which the basket hanger is exposed.

[0033] The basket rack is preferably cylindrical like a pot with an open top, and the basket is sized and shaped to fit within the basket rack and is cylindrical with an open top.

[0034] The oil tank 300 further includes an oil spill prevention cover 600 fixed between the oil tank 300 and the basket rack 200.

[0035] FIG. 3 is a front view showing the internal configuration of a frying device having an oil circulation and purification function and a frying oil separation function according to the present invention, and FIG. 4 is a side view showing the internal configuration of a frying device having an oil circulation and purification function and a frying oil separation function according to the present invention.

[0036] 3 and 4, the present invention includes a rotation driver 500 that rotates the basket 250 shown in FIG. 2 and separates oil from fried foods contained in the basket by centrifugal force. According to the above-mentioned structure, when the basket 250 rotates by the rotation driver 500, the oil spill prevention cover 600 prevents oil separated from fried foods contained in the basket 250 from scattering to other places. In addition, as shown in FIG. 3, the cooking heater 310 preferably includes a first heater 311 provided at the top and including a hot wire for maintaining an instantaneous temperature when fried food ingredients are added, and a second heater 313 provided below the first heater 311 and including a hot wire for heating the frying oil in the oil tank to about 150°C to 170°C.

[0037] This allows the oil tank to rise to cover the basket containing the ingredients for frying, so that the ingredients are instantly heated by the first heater 311 and the second heater 313, effectively doubly heating the frying oil to a temperature sufficient for deep frying.

[0038] More specifically, as shown in FIG. 3, a lifting unit 360 including a power base is provided at the bottom of the oil tank 300 to raise and lower the oil tank up and down, and the lifting unit 360 is configured to perform lifting operation by a lifting driver 350 including an actuator such as a motor.

[0039] In one embodiment of the present invention, the lifting unit 360 preferably includes screw bars provided at the four corners of the lower part of a square plate supporting the oil tank 300, and is configured to support the oil tank and raise and lower it up and down by driving the lifting drive unit 350.

[0040] 2 to 4, the oil tank 300 is provided to be capable of ascending and descending to accommodate the basket 250 when ascending from the bottom of the basket hanger 200, and is provided to store frying oil such as cooking oil inside. The oil tank 300 further includes an ascending and descending driving unit 350 that is provided connected to the oil tank 300 and provides a driving force to allow the oil tank 300 to ascend and descend, and the ascending and descending driving unit 350 is provided adjacent to the bottom of the oil tank 300. The rotation driving unit 500 of FIG. 3 is provided adjacent to the center of the bottom of the basket hanger 200 and connected to the basket hanger 200 so that the basket 250 of FIG. 2 rotates when the oil tank 300 descends. According to the first embodiment of the present invention described above, as the oil tank 300 becomes capable of being raised and lowered, after deep-frying is completed, the oil is automatically separated immediately on the spot without the chef having to manually scoop out the fried foods one by one. This prevents the formation of an oil oxide film and allows the separation of the frying oil to be performed smoothly and efficiently, resulting in a crispier texture for the fried foods and preventing the consumption of excessive frying oil.

[0041] Meanwhile, as shown in FIG. 3, the frying device having the oil circulation and purification function according to the present invention preferably further includes a control unit 800 for controlling each actuator including the cooking heater, the suction pump, the purification and circulation valve, the lifting and lowering drive unit, and the rotation drive unit based on a user's input signal and the results detected by the detection sensor.

[0042] As a result, the control unit 800 can easily control the oil purification and circulation unit so that the edible oil used for deep-frying always maintains a constant purity, and the process of refining and recirculating the frying oil can be performed automatically and periodically and continuously.

[0043] FIG. 5 is a perspective view showing the appearance of a frying device having an oil circulation and purification function and a frying oil separation function according to a second embodiment of the present invention, and FIG. 6 is a perspective view showing the internal configuration of the frying device having an oil circulation and purification function and a frying oil separation function according to the second embodiment of the present invention.

[0044] Referring to FIG. 5, according to a second embodiment of the present invention, an oil tank 300 is provided on one side of the upper part of the main body casing 100 with an opening exposed from the inside of the main body casing 100, and an oil separation unit 700 is further provided on the other side of the upper part of the main body casing 100 with an opening exposed from the inside of the main body casing 100.

[0045] 6, the basket 250 is provided to be hung and accommodated inside the oil tank 300. In addition, the basket 250 containing the fried food after the frying is transferred to the oil separation unit 700, which is hung and accommodated inside the oil separation unit 700. The oil separation unit 700 has an opening exposed through the other side of the upper part of the main casing.

[0046] FIG. 7 is a front view showing the internal configuration of a frying device having an oil circulation and purification function and a frying oil separation function according to a second embodiment of the present invention, and FIG. 8 is a side view showing the internal configuration of a frying device having an oil circulation and purification function and a frying oil separation function according to the second embodiment of the present invention.

[0047] 7 and 8, the oil separation unit 700 includes a rotor 710 capable of accommodating a basket 250 therein, and an oil recovery tank 720 that is connected between the rotor 710 and the oil spill prevention cover 600 and allows oil separated from fried foods contained in the basket 250 as the rotor 710 rotates to be collected and stored separately. A basket hanger 200 is provided inside the rotor 710 so that a basket containing fried foods that has been cooked can be hung on top of it. The rotor 710 is connected to the rotation drive unit 500 and is moved inside the rotor 710 by the rotation drive unit, and the basket 250 contained therein also rotates to separate the oil from the fried foods.

[0048] According to the third embodiment of the present invention, which has a similar configuration to the first embodiment of the present invention described above, the basket 250 is arranged to be hung inside a further second oil tank 300a to accommodate it, and a further oil tank 300 is arranged on one side of the upper part of the main body casing 100 so that an opening thereof is exposed from the inside of the main body casing 100, and a further oil separation unit 700 is further provided, into which the basket 250 containing fried foods that have been fried and have been completed is transferred from the further oil tank 300 and hung inside to accommodate it. The oil separation unit 700 has an opening exposed through the other side of the upper part of the main casing 100, and includes a rotor in which a basket 250 can be housed, and an oil recovery tank 720 that is connected between the rotor and the oil spill prevention cover 600 and allows oil separated from the fried food inside the basket 250 to be collected and stored separately as the rotor rotates. The rotor is connected to the rotation drive unit 500 and rotates together with the basket 250 by the rotation drive unit 500.

[0049] As shown in Figs. 2-3 and 6-7, the oil refining and circulating unit 400 of the present invention is provided in communication with the center of the lower part of the oil tank 300, and includes a refining and circulating pipe 410 having a double-pipe structure so that used edible oil is discharged from the inside and refined edible oil is supplied back to the oil tank 300, an oil discharge pipe 420 provided at one end of the refining and circulating pipe 410 to discharge used edible oil, and an oil discharge pipe 420 provided at the other end of the refining and circulating pipe 410 to recycle refined edible oil. The refined oil suction pipe 430 provides a path for the edible oil to be sucked in through the refined oil circulation pipe 410, an oil refinement circulation tank 440 is connected to the oil discharge pipe 420 and the refined oil suction pipe 430, so that the edible oil flowing in through the oil discharge pipe 420 is refined and only the refined edible oil is sucked in through the refined oil suction pipe 430, and a suction pump 431 is connected to the refined oil suction pipe 430 and provides a suction force for sucking in the refined edible oil from the oil refinement circulation tank 440.

[0050] In addition, the oil refinement circulation tank 440 is provided in the form of a box with an open top, a filter net 441 is provided at the top above the middle part, and a refinement filter 443 is provided below the height of the middle part, and the oil discharge pipe 420 extends only from the inside of the oil refinement circulation tank to the top of the filter net 441. The refined oil suction pipe 430 is provided so as to extend from the inside of the oil refinement circulation tank to the bottom of the refinement filter. The refinement circulation pipe 410 is provided with an inner pipe in the center communicating with the oil discharge pipe 420 and an outer surface communicating with the refined oil suction pipe 430.

[0051] In any of the above-mentioned first to third embodiments of the present invention, as shown in FIG. 6, the oil spill prevention cover is provided spaced apart from the rotating body 710 inside the main casing 100 and the baskets 250 housed in one or more of the basket hangers 200.

[0052] As a result, by integrating deep frying, circulating and refining edible oil, and separating and removing frying oil in one place, a compact and simple configuration is achieved, which is not limited by installation space, and various costs can be reduced. Deep fried foods can always be cooked hygienically with cleanly refined edible oil, the taste of the deep fried foods can be improved, and costs can be reduced by minimizing the consumption of edible oil. A deep frying device having an oil circulating and refining function and a fried food separation function can be provided, which makes the process of separating frying oil from fried foods extremely convenient and safe by automatically and quickly separating and removing oil from fried foods at the position where deep frying is performed.

[0053] The present invention has been described in detail above with reference to specific examples. However, these are for the purpose of specifically explaining the present invention, and the present invention is not limited thereto. It is clear that modifications and improvements can be made by those having ordinary knowledge in the art within the technical spirit of the present invention.

[0054] Any simple modifications or variations of the present invention will fall within the scope of the present invention, and the specific scope of protection of the present invention will be defined by the appended claims. [Explanation of symbols]

[0055] 100 Main casing 200 Basket rack 250 Basket 300 Oil Tank 310 Cooking heater 350 Lifting drive unit 360 Lifting section 400 Oil Refining Circulation Unit 410 Purification circulation pipe 420 Oil discharge pipe 430 Refined oil suction pipe 431 Suction Pump 440 Oil Refining Circulation Tank 450 Refined Oil Circulation Valve 500 Rotational Drive Unit 600 Oil Spill Prevention Cover 700 Oil Separation Unit 710 Rotating Body 720 Oil Recovery Tank

Claims

1. A main casing that forms the exterior of the device; a basket provided outside the main casing, in which ingredients to be cooked are placed, and formed of a net; One or more oil tanks configured to accommodate the basket inside the main casing and storing edible oil therein; a cooking heater provided on an outer circumferential surface of the oil tank for heating the edible oil stored inside the oil tank to perform deep frying; an oil purification and circulation unit that is provided in communication with a lower portion of the oil tank and that circulates a process in which the edible oil used for deep-frying is collected from the oil tank, purified, and then re-supplied to the oil tank; a rotation drive unit for rotating the basket and separating oil from the fried food contained inside the basket by centrifugal force; and an oil spill prevention cover fixedly provided to prevent oil separated from the fried food contained inside the basket from scattering elsewhere when the basket rotates, The oil refining and circulating unit is provided in communication with the center of the lower portion of the oil tank, and includes a refining and circulating pipe having a double-pipe structure through which used edible oil is discharged and through which refined edible oil is supplied back to the oil tank; an oil discharge pipe provided at one end of the purification circulation pipe for discharging used edible oil; a refined oil intake pipe provided at the other end of the refined circulation pipe to provide a path for the refined edible oil to be sucked again through the refined circulation pipe; an oil purification circulation tank in which the oil discharge pipe and the refined oil intake pipe are connected to each other, so that the edible oil flowing in through the oil discharge pipe is refined and only the refined edible oil is sucked in through the refined oil intake pipe; a suction pump provided in the refined oil suction pipe for providing a suction force for sucking refined edible oil from the oil refinement circulation tank; The oil purification and circulation tank is provided in the form of an open-top box, a filter net is provided at the top above the middle part, and a purification filter is provided below the height of the middle part, and the oil discharge pipe extends only from the inside of the oil purification and circulation tank to the top of the filter net; The refined oil intake pipe is provided to extend from the inside of the refined oil circulation tank to a lower part of the refined filter, The refined circulation pipe is provided such that an inner pipe at a center thereof is connected to the oil discharge pipe and an outer pipe is connected to the refined oil suction pipe.

2. The frying device having the function of circulating and refining oil and separating frying oil as described in claim 1, characterized in that the oil spill prevention cover is installed separately from the rotor inside the main casing and the basket housed in one or more of the basket hangers.

3. The main body casing further includes a basket hanger having an opening exposed at an upper portion thereof, the basket being hung and accommodated inside the basket hanger; The oil tank is provided so as to be able to rise and fall so as to accommodate the basket when the oil tank rises from the lower part of the basket rack, and further includes a lifting driving unit that is provided so as to be connected to the oil tank and provides a driving force so that the oil tank can be lifted and lowered. The lifting drive unit is provided adjacent to a lower portion of the oil tank, The frying device having the functions of circulating and refining oil and separating frying oil as described in claim 2, characterized in that the rotation driving unit rotates the basket when the oil tank descends, is provided adjacent to the center of the lower part of the basket hanger, and is connected to the basket hanger.

4. The basket is adapted to be hung and housed within the interior of the oil tank; The oil tank is provided on one side of the upper portion of the main body casing such that an opening of the oil tank is exposed from the inside of the main body casing, The other side of the upper portion of the main body casing is provided with an opening exposed from the inside of the main body casing, and an oil separation unit is further provided in which the basket containing the fried food that has been fried is transferred and hung and stored, The oil separation unit includes a rotor having an opening exposed through the other side of the upper portion of the main casing and capable of accommodating the basket therein; An oil recovery tank is provided between the rotor and the oil spill prevention cover in communication with each other, and allows oil separated from the fried food contained in the basket when the rotor rotates to be collected and stored separately. A basket hanger is provided inside the rotating body so that the basket containing cooked fried food can be hung on the upper part of the basket hanger, 3. The frying device according to claim 2, wherein the rotor is connected to the rotation drive unit, and the rotor is rotated together with the basket installed therein by the rotation drive unit.

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