Frying furnace with circulating purification system

Abstract

The fryer with the circulating purification system comprises a cooking mechanism installed in a fryer box, and the purifying mechanism is used for guiding high-temperature flue gas generated in the cooking process to conduct internal circulation and purifying and separating grease in the flue gas; the filter element is used for filtering residual grease in the purified flue gas; the control panel is used for setting cooking parameters and controlling start and stop; the purifying mechanism can suck smoke from top and purify the smoke from top to bottom, and then the smoke is filtered by the filter element and then is discharged to the position above the cooking mechanism, so that the smoke circularly flows in the oven box in a reciprocating mode; flue gas is firstly purified through the first flue gas channel, then cooled through the second flue gas channel and then blown to the position above the pot body, and internal circulation of the flue gas in the furnace box is formed. The purification cavity of a special-shaped structure is adopted to be matched with the purification mechanism, and the grease adsorption and purification effect can be improved while the space is not obviously increased; meanwhile, through the combination of the first flue gas channel and the second flue gas channel, the flue gas can be fully purified, cooled and then blown to the position above the pot body, and internal circulation of the flue gas in the furnace box is formed.

Description

Technical Field

[0001] The invention relates to the field of cooking equipment, in particular to a fryer with a circulation purification system. Background Art

[0002] When frying, the moisture on the surface of the food evaporates quickly, forming a crispy hard shell, which can lock in the internal juice and bring a crispy outside and tender inside taste; in addition, high temperature accelerates the penetration of seasonings and enhances the flavor, so fried food is deeply loved by consumers. However, in traditional convenience stores, it is almost impossible to buy fresh and hot fried food. Traditional range hoods need to exhaust the fumes through chimneys after sucking them out, and many convenience stores do not have the environment to install chimneys or exhaust channels. Due to the closed environment of convenience stores, existing equipment cannot effectively handle the fumes generated during frying, so there is a need on the market for a fryer that can efficiently handle fumes to meet the needs of frying in a specified environment. Summary of the invention

[0003] In view of the above problems, the present invention aims to provide a frying furnace with a circulation purification system which can reduce smoke overflow.

[0004] To achieve the technical purpose, the present invention provides a fryer with a circulation purification system, comprising a cooking mechanism installed in a furnace box, and further comprising:

[0005] The purification mechanism is used to guide the high-temperature smoke generated during the cooking process to circulate internally and purify and separate the grease in the smoke;

[0006] The filter element is used to filter the residual grease in the flue gas after purification;

[0007] Control panel, used to set cooking parameters and start and stop control;

[0008] The purification mechanism can suck in the smoke from above and purify it from top to bottom, and then the smoke is filtered by the filter element and discharged back to the top of the cooking mechanism, so that the smoke circulates back and forth in the oven box.

[0009] Preferably, the oven box is a box structure without a closed cabinet door on the front side; the cooking mechanism consists of a heating unit, a frying basket and a pot body; at least one pot body is embedded in the middle of the oven box, a rotatable heating unit is installed on one side of the pot body, and a lifting mechanism is also installed on the oven box, which can drive the frying basket to rise out of the pot body or fall into the pot body.

[0010] Preferably, a guide hood is further provided in the furnace box, and the guide hood is located directly above the pot body. The purification mechanism is an L-shaped structure; a guide fan is also provided above the purification mechanism, and a purification chamber matching the purification mechanism is provided in the middle of the right side of the furnace box, and the guide hood and the purification chamber can be combined into a Z-shaped first flue gas channel;

[0011] The cross section of the filter element is a roof-like structure, at least one filter air inlet is arranged on the left side of the filter element, at least one filter air outlet is arranged on the lower side of the filter element, and the filter element is installed above one side of the guide cover;

[0012] A first cavity that can communicate with the filter element is horizontally arranged on the inner side of the upper part of the furnace box, and a second cavity with a trapezoidal structure that is narrow at the bottom and wide at the top is arranged on the upper right side of the purification mechanism, wherein the left inner wall of the furnace box and the left top of the guide cover form an air outlet cavity that is wide at the top and narrow at the bottom, and the first cavity, the second cavity, the air outlet cavity and the filter element form a second flue gas channel with an inverted U-shaped structure;

[0013] The flue gas is first purified through the first flue gas channel and then cooled through the second flue gas channel before being blown to the top of the pot body, forming an internal circulation of the flue gas inside the furnace box.

[0014] Preferably, a heat dissipation cover is provided on the top of the furnace box, and heat dissipation fins are installed in the heat dissipation cover. The heat dissipation fins are located above the first cavity, and a plurality of strip-shaped heat dissipation holes are also provided on the side and top of the heat dissipation cover.

[0015] Preferably, the purification chamber is connected to a waste oil treatment mechanism, which can collect and store the grease separated and accumulated by the purification mechanism; the waste oil treatment mechanism is composed of an oil drain pipe, a drain valve and a waste oil tank, the bottom of the purification chamber is connected to an oil drain pipe, a waste oil tank is arranged below the oil drain pipe, and a drain valve is also arranged on one side of the waste oil tank.

[0016] Preferably, the side wall of the furnace box is composed of a box wall panel and a side cover plate, and the lifting mechanism is composed of a driving part, a driving belt, a lifting frame and an auxiliary wheel. The driving part and the auxiliary wheel are installed on the box wall panel, and the driving belt is installed on the driving part and the auxiliary wheel; two limiting grooves are arranged on the box wall panel, and the lifting frame is fixedly connected with the driving belt through the limiting grooves, and the driving part can drive the lifting frame to move up and down through the driving belt.

[0017] Preferably, the purification chamber is a rectangular channel structure composed of an inclined rectangle and a horizontal rectangle, the top of the purification chamber is a first opening structure and is connected to the guide cover, an upper sealing inclined plate and a lower sealing inclined plate are provided on the left and right sides of the purification chamber, and the upper middle part of the right side of the purification chamber is a second opening structure and is connected to the second cavity; the width of the second opening structure is smaller than the width of the first opening structure;

[0018] The purification mechanism is composed of a low-voltage electrostatic field, a high-voltage electrostatic field, a front side plate, a rear side plate and an insulating plate. The low-voltage electrostatic field and the high-voltage electrostatic field are installed between the front side plate and the rear side plate, and insulating plates are installed on the outsides of the front side plate and the rear side plate; the low-voltage electrostatic field is located above the high-voltage electrostatic field and close to the guide fan, and the high-voltage electrostatic field is also an L-shaped structure; the top of the purification mechanism is an air inlet portion that is directly opposite to the first opening structure, the bottom is an oil outlet portion, and the upper right side is an air outlet portion that is directly opposite to the second opening structure.

[0019] Preferably, a detachable front cover is provided on the upper left side of the furnace box, and the control panel is mounted on the front cover. When the front cover is removed, the filter element can be taken out of the furnace box.

[0020] The beneficial effects of the present invention are as follows: the present application adopts a purification chamber with a special structure in combination with a purification mechanism, which can increase the oil adsorption and purification effect without significantly increasing the space; at the same time, through the combination of the first flue gas channel and the second flue gas channel, the flue gas can be fully purified and cooled and then blown to the top of the pot body, forming an internal circulation of the flue gas inside the furnace box; the present application adopts a second cavity and an air outlet cavity with a trapezoidal structure, which can further enhance the circulation effect of the flue gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 An exploded view of the present invention;

[0022] Figure 2 is a cross-sectional view of the present invention;

[0023] Figure 3 It is a structural schematic diagram of the front view of the present invention;

[0024] Figure 4 A perspective view of the present invention;

[0025] Figure 5 It is a schematic diagram of flue gas circulation of the present invention.

[0026] In the figure: 1. furnace box; 101. guide cover; 102. purification chamber; 103. first cavity; 104. second cavity; 105. air outlet cavity; 106. box wall plate; 107. side cover plate; 108. first opening structure; 109. upper sealing inclined plate; 110. lower sealing inclined plate; 111. second opening structure; 112. front cover plate; 113. limit groove; 2. cooking mechanism; 201. heating unit; 202. frying basket; 203 pot body; 3. purification mechanism; 301. low-voltage electrostatic field; 302. high-voltage electrostatic field; 303. front side plate; 304. rear side plate; 305. insulation plate; 4. filter element; 5. control panel; 6. guide fan; 7. heat dissipation top cover; 701. heat dissipation hole; 8. lifting mechanism; 801. driving part; 802. driving belt; 803. lifting frame; 804. auxiliary wheel; 9. Oil drain pipe; 10. Drain valve; 11. Waste oil tank; 12. Front cover. DETAILED DESCRIPTION

[0027] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] Embodiment 1

[0029] like Figure 1-5 As shown, the specific embodiment of the present invention is a fryer with a circulation purification system, including a cooking mechanism 2 in a furnace box 1 with a box structure with a single-sided opening and no closed cabinet door on the front side, a control panel 5 arranged on the upper left outer side of the furnace box 1; a purification mechanism 3 for guiding the high-temperature smoke generated during the cooking process to circulate internally and purify and separate the grease in the smoke; and a filter element 4 arranged on the top left side of the furnace box for filtering the residual grease in the smoke after purification. The purification mechanism 3 can inhale the smoke from the top and purify it from top to bottom, and then the smoke is filtered by the filter element 4 and discharged back to the top of the cooking mechanism 2, so that the smoke flows back and forth in the furnace box 1. Specifically, during the cooking process, the purification mechanism inhales the smoke from the top and purifies it from top to bottom to separate the grease in the smoke. The purified smoke is filtered by the filter element to remove the residual grease, and then discharged back to the top of the cooking mechanism, forming a reciprocating circulation of the smoke in the furnace box, effectively reducing the emission of oil smoke and improving the kitchen environment. The control panel is used to set cooking parameters and start and stop control, ensure the automatic operation of the cooking process, and improve the convenience of operation and the accuracy of cooking.

[0030] In one embodiment, in order to achieve better internal circulation of flue gas and improve the purification and cooling effect of flue gas, a guide cover 101 with a triangular cross section is further provided in the furnace box 1, and the guide cover 101 is located directly above the pot body 203, and the purification mechanism 3 is an L-shaped structure; a guide fan 6 is also provided above the purification mechanism 3, and a purification chamber 102 matching the purification mechanism 3 is provided in the middle of the right side of the furnace box 1, and the guide cover 101 and the purification chamber 102 can be combined into a Z-shaped first flue gas channel;

[0031] The cross section of the filter element 4 is a roof-like structure. At least one filter air inlet is provided on the left side of the filter element 4, and at least one filter air outlet is provided on the lower side of the filter element. The filter element 4 is installed above one side of the guide cover 101;

[0032] A first cavity 103 that can communicate with the filter element 4 is horizontally arranged on the inner upper side of the furnace box 1, and a second cavity 104 with a trapezoidal structure that is narrow at the bottom and wide at the top is arranged on the upper right side of the purification mechanism 3; since the smoke temperature is relatively high at this time, the smoke will flow from bottom to top, and the expansion structure of the second cavity 104 can generate negative pressure, which can guide the smoke to enter the second opening structure 111 from bottom to top. The left inner wall of the furnace box 1 and the left top of the guide cover 101 form an air outlet cavity 105 that is wide at the top and narrow at the bottom; after the smoke is cooled, it can increase the flow rate through the air outlet cavity 105 and flow to the top of the pot body to form a circulation. The first cavity 103, the second cavity 104, the air outlet cavity 105 and the filter element 4 form a second smoke channel with an inverted U-shaped structure;

[0033] The flue gas is first purified by the first flue gas channel and then cooled by the second flue gas channel before being blown to the top of the pot body 203, forming an internal circulation of the flue gas inside the furnace box 1. This design allows the flue gas to be fully processed during the purification process, thereby improving the purification efficiency.

[0034] In one embodiment, in order to improve the cooling effect of the flue gas when passing through the second flue gas channel, a heat dissipation top cover 7 is provided on the top of the furnace box 1, and heat dissipation fins are installed in the heat dissipation top cover 7. The heat dissipation fins are located above the first cavity 103, and a plurality of strip-shaped heat dissipation holes 701 are also provided on the side and top of the heat dissipation top cover 7. Heat dissipation fins can also be provided on the right side wall of the second cavity 104 for heat dissipation. Through the cooling and heat dissipation treatment, the influence of the flue gas on the cooking environment is reduced, and the operation safety is improved.

[0035] In one embodiment, in order to further improve the purification effect and efficiently remove grease in the smoke, the purification chamber 102 is a rectangular channel structure composed of an inclined rectangle and a horizontal rectangle, the top of the purification chamber 102 is a first opening structure 108 and is connected to the guide cover 101, the left and right sides of the purification chamber 102 are provided with an upper sealing inclined plate 109 and a lower sealing inclined plate 110, and the upper middle part of the right side of the purification chamber 102 is a second opening structure 111 and is connected to the second cavity 104; the width of the second opening structure 111 is smaller than the width of the first opening structure 108;

[0036] The purification mechanism 3 is composed of a low-voltage electrostatic field 301, a high-voltage electrostatic field 302, a front side plate 303, a rear side plate 304 and an insulating plate 305. The low-voltage electrostatic field 301 and the high-voltage electrostatic field 302 are installed between the front side plate 303 and the rear side plate 304, and insulating plates 305 are installed on the outside of the front side plate 303 and the rear side plate 304; the low-voltage electrostatic field 301 is located above the high-voltage electrostatic field 302 and close to the guide fan 6, and the high-voltage electrostatic field 302 is also an L-shaped structure; the top of the purification mechanism 3 is the air inlet part facing the first opening structure 108, the bottom is the oil outlet part, and the upper right side is the air outlet part facing the second opening structure 111.

[0037] During the cooking process, the high-temperature smoke enters the purification chamber from the guide hood, and first passes through the low-voltage electrostatic field 301 for preliminary purification to separate larger particles of grease. Subsequently, the smoke enters the high-voltage electrostatic field 302 for deep purification to further separate fine grease particles. The purified smoke enters the second cavity 104 through the gas outlet, and is discharged from the oven box 1 after cooling. The separated grease flows into the waste oil treatment mechanism through the oil outlet for collection.

[0038] The combined design of the low-voltage electrostatic field 301 and the high-voltage electrostatic field 302 improves the efficiency of grease separation and ensures the flue gas purification effect. The setting of the insulating plate 305 enhances the safety of the equipment and avoids the influence of static electricity on the operator. The inclined rectangular design of the purification chamber optimizes the flow path of the flue gas and reduces the accumulation of grease in the purification chamber.

[0039] In this embodiment, through the design of the smoke channel, the structural design of the purification chamber and the configuration of the purification mechanism, effective purification and separation of high-temperature smoke is achieved, the problem of oil fume purification is solved, and the frying needs in closed environments such as convenience stores are met.

[0040] Embodiment 2

[0041] A fryer with a circulation purification system comprises a lifting type single-door furnace box 1, a cooking mechanism 2 consisting of a heating unit 201, a frying basket 202 and a pot body 203; two pot bodies 203 are embedded in the middle of the furnace box 1, a rotatable heating unit 201 is installed on one side of the pot body 203, and a lifting mechanism 8 is also installed on the furnace box 1, which can drive the frying basket 202 to rise out of the pot body 203 or fall into the pot body 203. A control panel 5 is arranged above the middle of the furnace box 1; a purification mechanism 3 and a filter element 4 are installed inside the middle of the furnace box 1.

[0042] In one embodiment, in order to collect and discharge the grease adsorbed by the purification mechanism, the purification chamber 102 is connected to a waste oil treatment mechanism, which can collect and store the grease separated and accumulated by the purification mechanism; the waste oil treatment mechanism is composed of an oil drain pipe 9, a drain valve 10 and a waste oil tank 11. The bottom of the purification chamber 102 is connected to the oil drain pipe 9, and a waste oil tank 11 is arranged below the oil drain pipe 9. A drain valve 10 is also arranged on one side of the waste oil tank 11.

[0043] During the purification process, the separated grease flows into the waste oil tank 11 through the oil drain pipe 9, and the grease in the waste oil tank 11 can be discharged regularly through the drain valve 10. The waste oil treatment mechanism effectively solves the problem of grease accumulation, ensuring the cleanliness of the purification chamber and the stability of the purification effect. Figure 1 and 3 , lifting mechanism of fryer with circulating purification system:

[0044] In one embodiment, in order to facilitate the automatic lifting and lowering of the frying basket, the side wall of the oven box 1 is composed of a box wall plate 106 and a side cover plate 107, and the lifting mechanism 8 is composed of a driving part 801, a driving belt 802, a lifting frame 803 and an auxiliary wheel 804. The driving part 801 and the auxiliary wheel 804 are installed on the box wall plate 106, and the driving belt 802 is installed on the driving part 801 and the auxiliary wheel 804. The frying basket 202 can be fixedly connected with the lifting frame 803; two limiting grooves 113 are provided on the box wall plate 106, and the lifting frame 803 passes through the limiting grooves 113 and is fixedly connected with the driving belt 802. The driving part 801 can drive the lifting frame 803 up and down through the driving belt 802. In order to meet the requirements of the high temperature environment during frying, the lifting frame is made of high temperature resistant material. The design of the limiting groove ensures the stability of the lifting frame during movement and avoids jamming or damage caused by offset. By arranging the box wall plate and the side cover plate on the side wall of the oven box, the oven box has better sealing performance, and the design of the lifting mechanism enables the frying basket to be easily lifted and lowered, which is convenient for putting in and taking out the food. Therefore, the lifting mechanism is combined with the cooperation of the driving part, the driving belt, the lifting frame and the auxiliary wheel, so that the whole system can operate stably and efficiently.

[0045] In one embodiment, in order to facilitate the replacement of the filter element, a detachable front cover plate 112 is provided on the upper left side of the furnace box 1, and the control panel 5 is installed on the front cover plate 112. When the front cover plate 112 is removed, the filter element 4 can be taken out of the furnace box for replacement or cleaning. The installation position of the filter element is designed as a slide or buckle structure, so that the filter element can be smoothly removed from and inserted into the furnace box. The detachable front cover plate and filter element design simplifies the replacement and cleaning process of the filter element, ensures that the maintenance and cleaning of the fryer are more convenient, and prolongs the service life of the equipment.

[0046] When the fryer of the embodiment of the present application is cooking, the edible oil in the pot body is heated by the heating unit and sublimated into high-temperature flue gas containing grease. The high-temperature flue gas flows upward, and after the guide fan is started, negative pressure is formed to adsorb the high-temperature flue gas through the guide cover to enter the purification mechanism; the high-temperature oil smoke quickly passes through the low-voltage electrostatic field above and the high-voltage electrostatic field below in sequence. Due to the large density of grease, it will be deposited in the high-voltage electrostatic field below and continue to gather. Under the action of static electricity, the grease molecules gather and condense to form large particles of grease that fall to the bottom of the purification chamber, while the high-temperature flue gas without grease has a small density and can enter the second cavity from bottom to top. Then, the high-temperature flue gas is cooled along the first cavity and flows out from the air outlet cavity to the top of the pot body to form an internal circulation of the flue gas, which can effectively prevent the grease-carrying flue gas from overflowing from the furnace box.

[0047] The present application adopts a purification chamber with a special structure in combination with a purification mechanism, which can increase the oil adsorption and purification effect without significantly increasing the space; at the same time, through the combination of the first flue gas channel and the second flue gas channel, the flue gas can be fully purified and cooled and then blown to the top of the pot body, forming an internal circulation of the flue gas inside the furnace box; the present application adopts a second cavity and an air outlet cavity with a trapezoidal structure, which can further enhance the circulation effect of the flue gas.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any slight modification, equivalent substitution and improvement made to the above embodiment based on the technical essence of the present invention should be included in the protection scope of the technical solution of the present invention.

Claims

1. A fryer with a circulation purification system, comprising a cooking mechanism (2) installed in a furnace box (1), characterized in that: Also includes: A purification mechanism (3) is used to guide the high-temperature smoke generated during the cooking process to circulate internally and purify and separate the grease in the smoke; The filter element (4) is used to filter residual grease in the flue gas after purification; A control panel (5) for setting cooking parameters and start and stop control; The purification mechanism (3) can absorb smoke from above and purify it from top to bottom. The smoke is then filtered by the filter element (4) and discharged back to the top of the cooking mechanism (2), so that the smoke circulates back and forth in the oven box (1).

2. The fryer with a circulation purification system according to claim 1, characterized in that: The oven box (1) is a box structure without a closed cabinet door on the front side; the cooking mechanism (2) is composed of a heating unit (201), a frying basket (202) and a pot body (203); at least one pot body (203) is embedded in the middle of the oven box, a rotatable heating unit (201) is mounted on one side of the pot body, and a lifting mechanism (8) is also mounted on the oven box (1), and the lifting mechanism (8) can drive the frying basket to rise out of the pot body (203) or fall into the pot body (203).

3. The fryer with a circulation purification system according to claim 1, characterized in that: A guide hood (101) is further provided in the furnace box (1), and the guide hood (101) is located directly above the pot body (203); the purification mechanism (3) is an L-shaped structure; a guide fan (6) is further provided above the purification mechanism (3); a purification chamber (102) matching the purification mechanism is provided in the middle of the right side of the furnace box (1); the guide hood (101) and the purification chamber (102) can be combined into a Z-shaped first flue gas channel; The cross section of the filter element (4) is a roof-shaped structure, at least one filter air inlet is arranged on the left side of the filter element (4), at least one filter air outlet is arranged on the lower side of the filter element (4), and the filter element (4) is installed above one side of the guide cover (101); A first cavity (103) capable of communicating with the filter element (4) is horizontally arranged on the inner side of the upper part of the furnace box (1), and a second cavity (104) with a trapezoidal structure that is narrow at the bottom and wide at the top is arranged on the upper right side of the purification mechanism (3), wherein the left inner wall of the furnace box (1) and the left top of the guide cover (101) form an air outlet cavity (105) that is wide at the top and narrow at the bottom, and the first cavity (103), the second cavity (104), the air outlet cavity (105) and the filter element (4) form a second flue gas channel with an inverted U-shaped structure; The flue gas is first purified through the first flue gas channel and then cooled through the second flue gas channel before being blown toward the top of the pot body (203), thereby forming an internal circulation of the flue gas inside the furnace box (1).

4. The fryer with a circulation purification system according to claim 3, characterized in that: A heat dissipation top cover (7) is arranged on the top of the furnace box (1), heat dissipation fins are installed in the heat dissipation top cover (7), the heat dissipation fins are located above the first cavity (103), and a plurality of strip-shaped heat dissipation holes (701) are also arranged on the side and top of the heat dissipation top cover (7).

5. The fryer with a circulation purification system according to claim 3, characterized in that: The purification chamber (102) is connected to a waste oil treatment mechanism, which can collect and store the oil separated and accumulated by the purification mechanism (3); the waste oil treatment mechanism is composed of an oil drain pipe (9), a drain valve (10) and a waste oil tank (11); the bottom of the purification chamber (102) is connected to an oil drain pipe (9), a waste oil tank (11) is provided below the oil drain pipe (9), and a drain valve (10) is also provided on one side of the waste oil tank (11).

6. The fryer with a circulation purification system according to claim 2, characterized in that: The side wall of the furnace box (1) is composed of a box wall plate (106) and a side cover plate (107); the lifting mechanism (8) is composed of a driving unit (801), a driving belt (802), a lifting frame (803) and an auxiliary wheel (804); the driving unit (801) and the auxiliary wheel (804) are mounted on the box wall plate (106); the driving belt (802) is mounted on the driving unit (801) and the auxiliary wheel (804); two limiting grooves (113) are provided on the box wall plate (106); the lifting frame (803) passes through the limiting grooves (113) and is fixedly connected to the driving belt (802); the driving unit (801) can drive the lifting frame (803) to move up and down through the driving belt (802); 7. The fryer with a circulation purification system according to claim 5, characterized in that: The purification chamber (102) is a rectangular channel structure composed of an inclined rectangle and a horizontal rectangle. The top of the purification chamber (102) is a first opening structure and is connected to the guide cover (101). An upper sealing inclined plate (109) and a lower sealing inclined plate (110) are provided on the left and right sides of the purification chamber (102). A second opening structure (111) is provided above the middle of the right side of the purification chamber (102) and is connected to the second cavity (104). The width of the second opening structure (111) is smaller than the width of the first opening structure (108). The purification mechanism (3) is composed of a low-voltage electrostatic field (301), a high-voltage electrostatic field (302), a front side plate (303), a rear side plate (304) and an insulating plate (305); the low-voltage electrostatic field (301) and the high-voltage electrostatic field (302) are installed between the front side plate (303) and the rear side plate (304); the insulating plate (305) is installed on the outside of the front side plate (303) and the rear side plate (304); the low-voltage electrostatic field (301) is located above the high-voltage electrostatic field (302) and close to the guide fan (6); the high-voltage electrostatic field (302) is also an L-shaped structure; the top of the purification mechanism (3) is an air inlet portion facing the first opening structure (108), the bottom is an oil outlet portion, and the upper right side is an air outlet portion facing the second opening structure (111).

8. The fryer with a circulation purification system according to any one of claims 1 to 5, characterized in that: A detachable front cover plate (12) is provided on the upper left side of the furnace box (1). The control panel (5) is mounted on the front cover plate (12). When the front cover plate (12) is removed, the filter element (4) can be removed from the furnace box (1).

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