Oil smoke purification system and working method

Abstract

The invention relates to an oil fume purification system and a working method, and belongs to the technical field of oil fume treatment. Comprising an air collecting cover, a front-end purification treatment assembly, a rear-end purification treatment assembly and a main water tank, the front-end purification treatment assembly is arranged in the air collecting cover; the rear-end purification treatment assembly is a high-voltage electrostatic box; the front-end purification treatment assembly is communicated with the rear-end purification treatment assembly through an air duct; an air outlet of the rear-end purification treatment assembly is communicated with an exhaust fan through an air duct; the main water tank supplies water to the oil smoke treatment water mist spray nozzle of the front-end purification treatment assembly and the electrostatic plate washing spray nozzle of the rear-end purification treatment assembly through a water supply pipeline; a controller is further included. The system is used for purifying oil smoke and is provided with a front-end purification treatment assembly for water mist dust falling and cyclone dust removal and a rear-end purification treatment assembly for electrostatic dust removal in a high-voltage electrostatic field; through two parts of purification and dust removal, the purification treatment effect of the oil fume can be greatly improved, and the requirement for environmental protection is met.

Description

Technical Field

[0001] The invention relates to an oil fume purification system and a working method, belonging to the technical field of oil fume treatment. Background Art

[0002] Restaurants and hotels cook delicious food in the kitchen, and a lot of oil smoke will be generated during cooking. Therefore, a range hood is installed in the kitchen to extract the oil smoke and discharge it. However, the oil smoke contains a lot of dust particles. If it is directly discharged into the air, it will pollute the air. Usually, it is necessary to install an oil fume purification system to treat the pollutants in the oil fume before discharging it.

[0003] The oil fume purification system needs to be cleaned regularly, especially in restaurants and hotels that generate a lot of oil fume every day. However, the commonly used oil fume purification system is not convenient to clean, and the relevant parts of the system need to be disassembled, so it is generally not cleaned every day, but once in a while. Due to the reason of cleaning at a certain time, oil stains and dirt have been firmly attached to the purification components in the oil fume purification system, and it is extremely difficult and troublesome to clean such oil stains and dirt. Summary of the invention

[0004] The object of the present invention is to provide an oil fume purification system and a working method, which can improve the convenience of cleaning the oil fume purification system by timely cleaning the purification components, thereby solving the above-mentioned technical problems.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is: A fume purification system comprises an air collecting hood, a front-end purification treatment component, a rear-end purification treatment component and a main water tank; the front-end purification treatment component is arranged in the air collecting hood; the rear-end purification treatment component is a high-voltage electrostatic box; the front-end purification treatment component and the rear-end purification treatment component are connected by an air duct; the air outlet of the rear-end purification treatment component is connected to the exhaust fan through the air duct; the main water tank supplies water to the fume treatment water mist nozzle of the front-end purification treatment component and the electrostatic device sheet flushing nozzle of the rear-end purification treatment component through a water supply pipeline; and also includes a controller.

[0006] A further improvement of the technical solution of the present invention is as follows: a processing chamber is arranged in the wind collecting hood; a fume treatment water mist nozzle connected to a water supply pipe is arranged at the air inlet of the processing chamber; a cyclone separator is also arranged in the processing chamber; the air outlet of the cyclone separator is connected to the air duct; a return water port is arranged at the lower end of the processing chamber, and a return water pipe is arranged in connection with the return water port; the return water pipe is connected to a main water tank; and the main water tank is also connected to the water supply pipe.

[0007] A further improvement of the technical solution of the present invention is as follows: the high-voltage electrostatic box includes a box body and an electrostatic device arranged in the box body; a smoke inlet and an air outlet connected to the air duct are arranged on the surface of the box body; a plurality of electrostatic device flushing nozzles capable of spraying water toward the electrostatic device are arranged above the electrostatic device; a conical return water hopper is connected to the lower end of the box body; the electrostatic device flushing nozzle is installed on a water supply pipe, an electric control valve is arranged on the water supply pipe, and the water supply pipe is connected to the main water tank through a high-pressure water pump.

[0008] A further improvement of the technical solution of the present invention is as follows: a drain outlet is arranged in the main water tank, and the drain outlet is connected to the water inlet of the high-pressure water pump through a pipe; the water outlet of the high-pressure water pump is connected to the electric three-way valve through a pipe; the electric three-way valve is also connected to the oil fume treatment water mist nozzle and the electrostatic disk flushing nozzle respectively through a water supply pipe.

[0009] A further improvement of the technical solution of the present invention is that the return water bucket is connected to the grease trap through a return water pipe.

[0010] A further improvement of the technical solution of the present invention is that multiple groups of electrostatic plates are arranged side by side, and a group of electrostatic plate flushing nozzles is arranged above each group of electrostatic plates.

[0011] A further improvement of the technical solution of the present invention is that: the lower end of the return water bucket has a water outlet, a valve is set at the position of the water outlet, and a water receiving pipe is set through the valve to connect A further improvement of the technical solution of the present invention is that a heating rod and a temperature sensor are arranged in the main water tank.

[0012] A further improvement of the technical solution of the present invention is: a drain branch pipe is arranged on the pipe connected to the drain outlet of the main water tank, and a drain valve is connected to the outer end of the drain branch pipe; a water replenishment port is arranged in the main water tank, and a solenoid valve is arranged at the water replenishment port.

[0013] A working method of an oil fume purification system, wherein the working of the oil fume purification system is controlled by a controller; when working, the oil fume treatment water mist nozzle of the front-end purification treatment component sprays water mist to reduce dust on the oil fume; then, after cyclone centrifugal treatment, the oil fume enters the high-voltage electrostatic box in the rear-end purification treatment component through an air duct, and the dust particles are adsorbed by the electrostatic field in the high-voltage electrostatic box; and then, the dust particles are discharged to the outside through the air duct; The oil fume treatment water mist nozzle returns to the main water tank through the return pipe for recycling. After the water in the main water tank has been used for a period of time, it is emptied and refilled with clean water. In daily use, it is necessary to replenish clean water in time according to the water volume. The high-pressure water pump supplies water to the oil fume treatment water mist nozzle and the electrostatic disk flushing nozzle respectively through the electric three-way valve and the water supply pipe; when cooking, the electric three-way valve controls the water supply only to the oil fume treatment water mist nozzle; after the cooking work is completed, the electric three-way valve controls the water supply only to the electrostatic disk flushing nozzle.

[0014] The further improvement of the technical solution of the present invention is: Due to the adoption of the above technical solution, the technical effects achieved by the present invention are as follows: The present invention is a system for purifying oil fume, which is provided with a front-end purification and processing component for water mist dust reduction and cyclone dust removal, and a rear-end purification and processing component for electrostatic dust removal by a high-voltage electrostatic field; through the purification and dust removal of the two parts, the purification and processing effect of the oil fume can be greatly improved, ensuring that the environmental protection requirements are met.

[0015] The high-voltage electrostatic box in the oil fume purification system of the present invention can conveniently and timely flush the smoke and dust on the electrostatic device sheet by arranging a nozzle above the electrostatic device sheet in the box body and installing the nozzle on the water supply pipe, so as to facilitate flushing away the smoke and dust.

[0016] The present invention can collect flushing water and then introduce it into the grease trap through the arrangement of the water return bucket, thereby ensuring the normal use of the device.

[0017] The present invention can timely and conveniently flush the electrostatic device sheet after the work is completed every day, which is very convenient for the maintenance of the electrostatic device sheet and is beneficial to prolonging the life of the electrostatic device sheet.

[0018] The present invention is a front-end processing device of an oil fume purification system, which is located at the front end of the oil fume purification system, and the main processing component is installed in the wind collecting hood. The device is provided with a cyclone separator and a water mist spray nozzle, and through double processing, it can achieve a better effect of preliminary oil fume purification and improve the overall processing effect.

[0019] The present invention is provided with a main water tank, and the corresponding main water tank is provided with a water supply pipeline and a return water management. Through the water circulation setting of the main water tank, the utilization rate of water is improved, and the effect of saving water is also achieved.

[0020] The invention arranges a heating rod and a temperature sensor in the main water tank, the heating rod heats water, and hot water is used to treat the oil smoke, and the hot water has a better oil removal effect.

[0021] The present invention provides an emptying branch pipe on the pipe connected to the drain outlet of the main water tank, and then connects an emptying valve to the outer end of the emptying branch pipe. When sewage needs to be emptied, the emptying valve can be opened; this arrangement facilitates daily maintenance and use of the main water tank.

[0022] The present invention uses a controller to control the water supply part to change the water circuit, which can ensure that both the front-end purification treatment component and the back-end purification treatment component can have sufficient water supply at the appropriate time. The overall control is convenient, and through reasonable water spray (fog) settings, the effect of oil fume purification and daily convenient maintenance are guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 Schematic diagram of the oil fume purification system of the present invention; Figure 2 It is a schematic diagram of the front-end purification treatment component and the main water tank of the present invention; Figure 3 It is a schematic diagram of the back-end purification processing component of the present invention; Among them, 1. wind collecting hood, 2. main water tank, 3. air duct, 4. exhaust fan, 5. water supply pipe, 6. oil fume treatment water mist nozzle, 7. electrostatic plate flushing nozzle, 8. treatment chamber, 9. cyclone separator, 10. return pipe, 11. box body, 12. electrostatic plate, 13. return water bucket, 14. high-pressure water pump, 15. drain port, 16. electric three-way valve, 17. grease trap, 18. heating rod, 19. temperature sensor, 20. water replenishment port, 21. emptying branch pipe, 22. emptying valve, 23. water collecting pipe. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0025] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0026] The invention relates to an oil fume purification system, which is applied to places such as restaurants and hotels where a large amount of oil fume needs to be processed.

[0027] like Figure 1 , Figure 2 , Figure 3 As shown, the system mainly includes a wind collecting hood 1, a front-end purification treatment component, a rear-end purification treatment component and a main water tank 2. The system is provided with a front-end purification treatment component and a rear-end purification treatment component, and the two-part treatment component is used to improve the effect of oil fume purification treatment and improve environmental protection performance.

[0028] In this system, the front-end purification component is arranged in the wind collecting hood 1, and mainly realizes the purification of smoke particles in the oil smoke by spraying water mist on the oil smoke and passing through the cyclone separator. The rear-end purification component is a high-voltage electrostatic box, which adsorbs and purifies the smoke particles in the oil smoke through the electrostatic field of the high-voltage electrostatic plate.

[0029] In the system, the front-end purification treatment component and the rear-end purification treatment component are connected by an air duct 3, and the air duct 3 is also set at the air outlet of the rear-end purification treatment component, and an exhaust fan 4 is also set on the air duct 3 here, and the exhaust fan 4 here provides power for the flow of air and oil smoke in the air duct 3.

[0030] The front-end purification treatment component and the back-end purification treatment component in the system both need to use nozzles to spray water, so a main water tank 2 is provided, and the main water tank 2 is connected to the oil fume treatment water mist nozzle 6 of the front-end purification treatment component and the electrostatic device sheet flushing nozzle 7 of the back-end purification treatment component through a water supply pipe 5 to realize water supply. A high-pressure water pump 14 is provided on the water supply pipe 5.

[0031] The system also includes a controller, which controls the operation of the oil fume purification system. The controller has a control panel for easy operation by staff.

[0032] Specifically, Figure 2 As shown, the front-end purification treatment component mainly includes a wind collecting hood 1, which is used to collect and converge the oil fume, and a treatment chamber 8 is arranged inside the wind collecting hood 1. The treatment chamber 8 has an air inlet. A fume treatment water mist nozzle 6 is arranged at the air inlet of the treatment chamber 8, and the fume treatment water mist nozzle 6 is connected to the water supply pipe 5, and the water supply pipe 5 is also connected to the main water tank 2 through a high-pressure water pump 14 to realize water supply. In this way, the fume treatment water mist nozzle 6 can spray water mist to purify and reduce dust in the oil fume. A cyclone separator 9 is also arranged in the treatment chamber 2, and the cyclone separator 9 can make the oil fume gas produce a swirl, and realize the separation of gas and solid smoke dust through centrifugal action. The air outlet of the cyclone separator 9 is connected to the air duct 3, and the oil fume after preliminary solid-gas separation enters the air duct 3, and then enters the rear-end purification treatment component through the air duct 3 to be processed.

[0033] In a specific implementation, the air hood 1 is usually of a certain length according to the length of the stove, and a plurality of cyclone separators 5 are provided in the air hood 1, and a plurality of corresponding nozzles 3 are also provided to ensure that the oil smoke entering from any position is sprayed and dusted.

[0034] When the front-end purification component uses water mist to purify smoke, the water after one purification can be reused. Therefore, a return water port is usually set at the lower end of the processing chamber 2. When the oil smoke treatment water mist nozzle 6 is working, the water mist sprayed by it falls to the lower part of the processing chamber 2 after dust reduction, and can flow out through the return water port. A return water pipe 10 is also connected to the return water port. Further, the other end of the return water pipe 10 is connected to the main water tank 2, so that the water can be returned to the main water tank 2 for recycling, which has the effect of improving water use efficiency and saving water. After the water in the main water tank 2 has been used for a period of time, the water in the water tank has accommodated enough smoke, and the water in the main water tank 2 is emptied and injected with clean water.

[0035] like Figure 3 As shown, the rear-end purification component mainly utilizes the electrostatic dust removal of the high-voltage electrostatic box. The high-voltage electrostatic box mainly includes a box body 11 and an electrostatic device sheet 12 arranged in the box body 11. The box body 1 is a closed structure. A smoke inlet and an air outlet are arranged on the surface of the box body 1. The box body 1 is connected to the air duct 3 through the smoke inlet and the air outlet. The oil fume treated by the front-end purification component is sent to the high-voltage electrostatic box through the air duct 3 for further purification. A plurality of electrostatic devices 2 are fixedly arranged in the box body 1. The electrostatic devices 2 can generate a high-voltage electrostatic field after being energized. In this way, when the smoke passes through, the smoke particles therein can be adsorbed by the high-voltage electrostatic field, which has a good purification effect.

[0036] After adsorbing the smoke particles, a large amount of smoke particles and grease will adhere to the electrostatic plate 2, so the electrostatic plate 12 also needs to be cleaned. In order to clean the electrostatic plate 12 as early as possible (the more timely the cleaning, the easier it is to clean), an electrostatic plate flushing nozzle 7 is provided in the high-voltage electrostatic box, and the electrostatic plate 12 is flushed by spraying water through the electrostatic plate flushing nozzle 7. Specifically, a plurality of electrostatic plate flushing nozzles 7 are correspondingly arranged above the electrostatic plate 2, and the water spraying direction of the electrostatic plate flushing nozzle 7 is toward the electrostatic plate 12. The electrostatic plate flushing nozzle 7 is also installed on the water supply pipe 5, and can be sprayed and cleaned through the nozzle 4 through the high-pressure water supply of the high-pressure water pump 14. The water supply pipe 5 is connected to the main water tank 2. When spraying water to the electrostatic plate 12, the control system can control the electrostatic plate 12 to cut off the power.

[0037] In order to process the flushing water in the high-voltage electrostatic box, a conical return water bucket 13 is connected to the lower end of the box body 11, so that the water used to flush the electrostatic device 12 falls into the return water bucket 13 and is collected by the return water bucket 13. Furthermore, a water outlet is provided at the lower end of the return water bucket 13, and a valve for controlling the on-off of the water path is provided at the position of the water outlet, and then a water collecting pipe 23 is provided through the valve connection. Furthermore, the other end of the water collecting pipe 23 is connected to the grease trap 17, so that the return water bucket 13 is connected to the grease trap 17 through the water collecting pipe 23, so that the oil and water are collected. The oil and water are processed in the grease trap and separated into oil and water. The grease trap is provided with a drain port and an oil discharge port.

[0038] In a specific implementation, a plurality of electrostatic sheets 12 are usually arranged in the box 11 to ensure the effect of adsorbing smoke particles. The plurality of electrostatic sheets 2 are arranged side by side, and a set of electrostatic sheet flushing nozzles 7 is required to be arranged above each set of electrostatic sheets 2 to ensure that all electrostatic sheets 12 can be flushed in place.

[0039] The main water tank 2 is used in the system to supply water to the front-end purification and treatment components and the back-end purification and treatment components. The main water tank 2 cooperates with the high-pressure water pump 14 to supply water. Specifically, the main water tank 2 is provided with a drain port 15, and the drain port 15 is connected to the water inlet of the high-pressure water pump 14 through a pipeline. Then, the water outlet of the high-pressure water pump 14 is connected to the electric three-way valve 16 through a pipeline; and then the other two ports of the electric three-way valve 16 are connected to the oil fume treatment water mist nozzle 6 and the electrostatic disk flushing nozzle 7 through the water supply pipeline 5. In this way, the main water tank 2 supplies water to the two water-using components. The electric three-way valve 16 can be controlled by the controller to realize the on and off of the water supply line.

[0040] The system is usually also provided with a heating rod 18 and a temperature sensor 19 in the main water tank 8. The heating rod 18 is used to heat water, because hot water has a better degreasing effect. The temperature sensor 19 is used to monitor the water temperature to ensure that the water temperature is at a suitable temperature.

[0041] In the present invention, the main water tank 2 needs to be emptied of sewage after being used for a period of time, so a drainage pipeline needs to be set. The corresponding setting is that an emptying branch pipe 21 is set on the pipe connected to the drain port of the main water tank 2, and then an emptying valve 11 is connected to the outer end of the emptying branch pipe 21. When the sewage needs to be emptied, the emptying valve 22 can be opened. After the sewage is discharged, clean water needs to be re-injected. Correspondingly, a water replenishment port 20 needs to be set at the upper part of the main water tank 2. Furthermore, a solenoid valve can be set at the water replenishment port 20 to control the water circuit. In daily use, the water in the main water tank 2 will be lost. Therefore, it is necessary to always pay attention to the amount of water in the main water tank 2 and add water in time. A float or a water level gauge is set in the main water tank 2.

[0042] The working method of the above-mentioned oil fume purification system is that the entire oil fume purification system works under the controller, as follows: When cooking, the oil fume treatment water mist nozzle 6 of the front-end purification component is in a state of spraying water mist, spraying water mist to reduce dust on the oil fume. Then, the oil fume enters the cyclone separator for cyclone centrifugal treatment, enters the air duct 3 after treatment, and enters the high-voltage electrostatic box in the rear-end purification component through the air duct 3, and the dust particles are adsorbed by the high-voltage electrostatic field of the electrostatic sheet 12 in the high-voltage electrostatic box; and then discharged outward through the air duct 3.

[0043] When the front-end purification treatment component is working, the oil fume treatment water mist nozzle 6 sprays water mist to treat the oil fume, and the sprayed water mist drops into water and returns to the main water tank 2 through the return pipe 10 for recycling. After a period of use, the water in the main water tank 2 has contained a large amount of smoke and dirt. At this time, the sewage in the main water tank 2 is emptied and refilled with clean water. In daily use, since water is constantly consumed, it is necessary to replenish clean water in time according to the water volume.

[0044] The water circuit in the oil fume purification system is realized by a high-pressure water pump 14 through an electric three-way valve 16 and a water supply pipe 5. The water supply system supplies water to the oil fume treatment water mist nozzle 6 and the electrostatic plate flushing nozzle 7 respectively. The electric three-way valve 16 is controlled by a controller to switch the water circuit. During cooking, the electric three-way valve 16 controls the water circuit to only supply water to the oil fume treatment water mist nozzle 6 of the front-end purification and treatment component to spray and reduce dust on the smoke. This water supply continues throughout the cooking process to ensure the purification effect of the oil fume. After the cooking work is completed, the electric three-way valve 16 controls the water supply only to the electrostatic plate flushing nozzle 7 to flush the electrostatic plate 12. This process can be timed for a long time. For example, after 10 minutes of timed flushing, it stops automatically. The electrostatic plate 12 can be flushed in time to flush the adsorbed smoke. Finally, the entire system can be powered off. Since the electrostatic plate 11 is flushed in time, the smoke and dirt on it can be cleaned in time to ensure cleanliness and subsequent adsorption effect.

[0045] The present invention can timely and effectively clean the purification components in the oil fume purification system, reduces the difficulty of cleaning, and is beneficial to prolonging the life of the purification components, reducing the comprehensive use cost and having good use performance.

[0046] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A fume purification system, characterized in that: The invention comprises an air collecting hood (1), a front-end purification treatment component, a rear-end purification treatment component and a main water tank (2); the front-end purification treatment component is arranged in the air collecting hood (1); the rear-end purification treatment component is a high-voltage electrostatic box; the front-end purification treatment component and the rear-end purification treatment component are connected by an air duct (3); the air outlet of the rear-end purification treatment component is connected to an exhaust fan (4) through the air duct (3); the main water tank (2) supplies water to the oil fume treatment water mist nozzle (6) of the front-end purification treatment component and the electrostatic device sheet washing nozzle (7) of the rear-end purification treatment component through a water supply pipe (5); and the invention also comprises a controller.

2. The oil fume purification system according to claim 1, characterized in that: A processing chamber (8) is arranged in the air collecting hood (1); a fume treatment water mist nozzle (6) connected to a water supply pipe (5) is arranged at the air inlet of the processing chamber (8); a cyclone separator (9) is also arranged in the processing chamber (8); the air outlet of the cyclone separator (9) is connected to the air duct (3); a water return port is arranged at the lower end of the processing chamber (8), and the water return port is connected to a water return pipe (10); the water return pipe (10) is connected to the main water tank (2); and the main water tank (2) is also connected to the water supply pipe (5).

3. The oil fume purification system according to claim 2, characterized in that: The high-voltage electrostatic box comprises a box body (11) and an electrostatic plate (12) arranged in the box body (11); a smoke inlet and an air outlet connected to an air duct (3) are arranged on the surface of the box body (11); a plurality of electrostatic plate flushing nozzles (7) capable of spraying water toward the electrostatic plate (12) are arranged above the electrostatic plate (12); a conical return water bucket (13) is connected to the lower end of the box body (11); the electrostatic plate flushing nozzles (7) are installed on a water supply pipe (5), an electric control valve is arranged on the water supply pipe (5), and the water supply pipe (5) is connected to a main water tank (2) through a high-pressure water pump (14).

4. The oil fume purification system according to claim 3, characterized in that: A drain port (15) is provided in the main water tank (2), and the drain port (15) is connected to the water inlet of the high-pressure water pump (14) through a pipeline; the water outlet of the high-pressure water pump (14) is connected to the electric three-way valve (16) through a pipeline; the electric three-way valve (16) is also connected to the oil fume treatment water mist nozzle (6) and the electrostatic device sheet flushing nozzle (7) respectively through the water supply pipeline (5).

5. The oil fume purification system according to claim 3, characterized in that: The return water bucket (13) is connected to the grease trap (17) via the return water pipe (10).

6. The oil fume purification system according to claim 3, characterized in that: A plurality of groups of electrostatic plates (12) are arranged side by side, and a group of electrostatic plate flushing nozzles (7) is arranged above each group of electrostatic plates (12).

7. The oil fume purification system according to claim 3, characterized in that: The lower end of the water return bucket (13) is provided with a water outlet, a valve is arranged at the position of the water outlet, and a water receiving pipe (10) is arranged through the valve.

8. A fume purification system according to any one of claims 1 to 8, characterized in that: A heating rod (18) and a temperature sensor (19) are arranged in the main water tank (2).

9. The oil fume purification system according to claim 8, characterized in that: A drain branch pipe (21) is provided on the pipe connected to the drain outlet of the main water tank (2), and a drain valve is connected to the outer end of the drain branch pipe (21); a water replenishment port (20) is provided on the main water tank (2), and a solenoid valve is provided at the water replenishment port (20).

10. A working method of the oil fume purification system according to claim 9, characterized in that: The operation of the oil fume purification system is controlled by a controller; when the system is in operation, the oil fume treatment water mist nozzle (6) of the front-end purification treatment component sprays water mist to reduce dust on the oil fume; then, after being subjected to cyclonic centrifugal treatment, the oil fume enters the high-voltage electrostatic box in the rear-end purification treatment component through the air duct (3), where the dust particles are adsorbed by the electrostatic field; and then, the dust is discharged to the outside through the air duct (3); The oil fume treatment water mist nozzle (6) returns to the main water tank (2) through the return pipe (10) for recycling. After the water in the main water tank (2) has been used for a period of time, it is emptied and refilled with clean water. In daily use, it is necessary to replenish clean water in a timely manner according to the water volume. The high-pressure water pump (14) supplies water to the oil fume treatment water mist nozzle (6) and the electrostatic plate flushing nozzle (7) respectively through the electric three-way valve (16) and the water supply pipe (5); during cooking, the electric three-way valve (16) controls water supply only to the oil fume treatment water mist nozzle (6); after cooking is completed, the electric three-way valve (16) controls water supply only to the electrostatic plate flushing nozzle (7).

Images