Device for synchronously adding selenium into agricultural products and removing pesticide residues

Abstract

The utility model provides a device for synchronously adding selenium to agricultural products and removing pesticide residues, which comprises a controller, a tank body, a reservoir, an ozone generator, an electric hoist, a hoisting track, a suspension cage and an oil-free gas pump air compressor, the tank body comprises a tank cover and a tank body, the reservoir is filled with selenium-rich water, and the ozone generator is arranged in the tank body. The selenium-enriched water supply pipeline is used for conveying selenium-enriched water in the reservoir into the tank body, the ozone conveying pipeline is used for conveying ozone generated by the ozone generator into the tank body, the electric hoist is arranged on the hoisting track, the hoisting cage can be hoisted into the tank body through the electric hoist, and the hoisting cage is used for containing fruits and vegetables. The air compressor without the oil pump can convey high-pressure gas into the tank body through the pressurizing pipeline, and the controller can control operation of the ozone generator, the air compressor without the oil pump, the selenium-enriched water supply pipeline, the ozone conveying pipeline and the pressurizing pipeline. According to the device, pesticide residues and antibiotics can be removed through selenium and ozone.

Description

Technical Field

[0001] This utility model relates to the field of deep processing technology of fruits and vegetables, specifically a device for simultaneously removing pesticide residues from agricultural products by adding selenium. Background Technology

[0002] Selenium is a trace element beneficial to the human body. It participates in various metabolic processes and has multiple physiological functions, including anti-oxidation, anti-aging, and immune enhancement. Selenium has also been found to have some ability to degrade pesticide residues and antibiotics.

[0003] Ozone is a strong oxidant. Its mechanism of action in degrading pesticide residues and antibiotics mainly involves reacting with pesticide molecules through oxidation, breaking them down into simpler substances, thereby reducing their toxicity and residue levels. The main methods for applying ozone to degrade pesticide residues and antibiotics include ozone water immersion and ozone gas fumigation.

[0004] Agricultural products mainly include fruits, vegetables, and eggs. Pesticide residues in fruits and vegetables refer to the trace amounts of pesticide residues, toxic metabolites, degradation products, and impurities that remain in organisms and harvested crops after a certain period of pesticide use without being broken down. A wide variety of pesticides are used in fruit and vegetable production, mainly including organophosphorus pesticides, organochlorine pesticides, carbamate pesticides, and pyrethroid pesticides. Pesticide residues in fruits and vegetables can cause various health hazards, including acute poisoning and chronic harm. Long-term consumption of eggs with high antibiotic residues may cause liver and kidney damage, and may also disrupt the gut microbiota, leading to digestive problems or weakened immunity.

[0005] How to utilize selenium and ozone to reduce pesticide and antibiotic residues in fruits and vegetables, while simultaneously enabling fruits, vegetables, and eggs to be rapidly enriched with selenium, is an urgent problem to be solved. Utility Model Content

[0006] The purpose of this invention is to provide a device for simultaneously removing pesticide residues from agricultural products by adding selenium. This device utilizes selenium and ozone to remove pesticide residues and antibiotics from fruits and vegetables, and can also quickly enrich fruits, vegetables and eggs with selenium.

[0007] The technical solution adopted by this utility model to solve its technical problem is: a device for simultaneously removing pesticide residues from agricultural products by adding selenium, including a controller, a tank, a water storage tank, an ozone generator, an electric hoist, a hoisting rail, a cage, and an oil-free air compressor. The tank includes a tank cover and a tank body. The tank cover is detachably sealed to the tank body. The water storage tank is filled with selenium-enriched water. A selenium-enriched water supply pipeline is used to transport the selenium-enriched water in the water storage tank into the tank. An ozone delivery pipeline is used to deliver ozone generated by the ozone generator into the tank. The electric hoist is set on the hoisting rail and can be used to hoist the cage into the tank. The cage is used to hold fruits and vegetables. The oil-free air compressor can deliver high-pressure gas into the tank through a pressurization pipeline. The controller can control the operation of the ozone generator, the oil-free air compressor, the selenium-enriched water supply pipeline, the ozone delivery pipeline, and the pressurization pipeline.

[0008] Preferably, the selenium-rich water supply pipeline includes a first pipe, a first water pump, a first electric switch valve, and a level gauge. The first pipe connects the water storage tank to the tank body. The first water pump and the first electric switch valve are connected in series on the first pipe. The level gauge is installed inside the tank body. The controller is electrically connected to the first water pump, the first electric switch valve, and the level gauge.

[0009] Furthermore, the device also includes a wastewater filtration device. The inlet of the wastewater filtration device is connected to the lower part of the tank body through a second pipe. A second water pump and a second electric switch valve are installed on the second pipe. The outlet of the wastewater filtration device is connected to the water storage tank through a third pipe. A third water pump is connected in series on the third pipe. The second water pump, the second electric switch valve, and the third water pump are electrically connected to the controller.

[0010] Preferably, the ozone delivery pipeline includes a fourth pipe, an air pump, and a third electric switch valve. The fourth pipe enables a through connection between the outlet of the ozone generator and the bottom of the tank body. The air pump and the third electric switch valve are connected in series on the fourth pipe, and the air pump and the third electric switch valve are electrically connected to the controller.

[0011] Furthermore, the device also includes an online ozone concentration water quality monitor, which is used to detect the ozone concentration in the selenium-rich water inside the tank body online, and the controller is electrically connected to the online ozone concentration water quality monitor.

[0012] Preferably, the pressurization pipeline includes a fifth pipeline, a fourth electric switching valve, and a pressure sensor. The fifth pipeline enables a through connection between the air outlet of the oil-free air compressor and the interior of the tank. The pressure sensor is installed inside the tank. The fourth electric switching valve is connected in series with the fifth pipeline. The controller is electrically connected to the pressure sensor and the fourth electric switching valve.

[0013] Preferably, a plurality of swivel locking elements are provided on the upper outer side of the tank body, evenly spaced along its circumference. The swivel locking elements are used to achieve a sealed connection between the tank lid and the upper part of the tank body. A fixed bracket is provided on one side of the upper part of the tank body. A sleeve is provided on the fixed bracket. An L-shaped support rod that can rotate freely is fitted inside the sleeve. A threaded rod is vertically fitted on the horizontal crossbar of the L-shaped support rod. The lower part of the threaded rod is rotatably connected to the upper part of the tank lid. The tank lid can be moved up and down by rotating the threaded rod.

[0014] Furthermore, a spare drain pipe is provided at the lower part of the tank body, a manual switch valve is provided on the spare drain pipe, an exhaust pipe, a safety valve and a pressure gauge are provided on the tank cover, and a fifth electric switch valve is provided on the exhaust pipe, the fifth electric switch valve being electrically connected to the controller.

[0015] The beneficial effects of this utility model are as follows: This utility model has a simple structure and is convenient to manufacture; by introducing ozone into the selenium-enriched water inside the tank, the liquid inside the tank simultaneously contains selenium and ozone. The combined effect of selenium and ozone effectively degrades pesticide residues and antibiotics in fruits and vegetables, thereby improving the safety of fruits, vegetables, and eggs for consumption. Simultaneously, the high-pressure environment inside the tank facilitates the better entry of selenium into the fruits, vegetables, and eggs, resulting in selenium-enriched fruits, vegetables, and eggs with low pesticide and antibiotic residues, thus benefiting human health; the automated control of the controller allows for effective and reasonable control of the selenium-enriched water volume, air pressure, and ozone concentration inside the tank, thereby improving the operational safety of the equipment; and the wastewater filtration equipment enables the filtration and reuse of wastewater inside the tank, achieving the conservation of water resources and selenium. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some preferred embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1This is a schematic diagram of the system principle of this utility model;

[0018] Figure 2 This is a schematic diagram of the tank structure in this utility model;

[0019] In the diagram: 1 Controller, 2 Tank body, 21 Tank cover, 211 Air pressurization port, 211 Safety valve, 213 Exhaust pipe, 214 Pressure gauge, 22 Tank body, 221 Union locking part, 222 Water inlet pipe, 223 Spare drain pipe, 224 Ozone inlet pipe, 225 Drain pipe, 23 Fixed bracket, 231 Sleeve, 24 L-shaped support rod, 25 Threaded rod, 3 Water storage tank, 4 Ozone generator, 5 Electric hoist, 51 Lifting rail, 52 Hoist cage, 6 Oil-free air compressor, 7 Wastewater filtration equipment, 8 Workbench, 101 First pipe, 102 Second pipe, 103 Third pipe, 104 Fourth pipe, 105 Fifth pipe, 201 First water pump, 202 Second water pump, 203 Third water pump, 204 Air pump, 301 First electric switch valve, 302 Second electric switch valve, 303 Third electric switch valve, 304 Fourth electric switch valve. Detailed Implementation

[0020] The following will describe specific embodiments and appendices. Figure 1-2 The technical solutions in the embodiments of this utility model are clearly and completely described below. Obviously, the described embodiments are only some preferred embodiments of this utility model, and not all embodiments. Those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0021] This utility model provides a device for simultaneously removing pesticide residues from agricultural products by adding selenium (such as...). Figure 1As shown, the system includes a controller 1, a tank 2, a water storage tank 3, an ozone generator 4, an electric hoist 5, a hoisting rail 51, a hoisting cage 52, and an oil-free air compressor 6. In this specific embodiment, the controller 1 is a commercially available and mature PLC controller. The ozone generator 4, the electric hoist 5, and the oil-free air compressor 6 are all commercially available mature technology products. Therefore, the detailed structure and working principle of the ozone generator 4 and the electric hoist 5 are not described in detail. In this specific embodiment, the ozone generator 4 is used to generate ozone, and the electric hoist 5 is used to realize the hoisting of the cage 52. The lifting and transfer are carried out using an oil-free air compressor 6 to generate high-pressure gas. The tank 2 includes a tank cover 21 and a tank body 22. The tank cover 21 is detachably sealed to the tank body 22. In practical applications, the cage 52 is filled with fruits and vegetables. The electric hoist 5 is used to load the cage 52 into the tank body 22. Then, the tank cover 21 is resealed and installed on the tank body 22. After the tank cover 21 is sealed, subsequent related work processes can be carried out. The water storage tank 3 is filled with selenium-enriched water, which is a known product on the market. Therefore, the formation of selenium-enriched water is important. The components will not be further explained. A selenium-enriched water supply pipeline is used to transport selenium-enriched water from the storage tank 3 to the tank 2. An ozone delivery pipeline is used to transport ozone generated by the ozone generator 4 to the tank 2. The electric hoist 5 is installed on the hoisting rail 51 and can reciprocate along the hoisting rail 51. The electric hoist 5 can be used to hoist the cage 52 into the tank 2. The cage 52 is used to hold fruits and vegetables. In practical applications, the cage 52 is cylindrical and hollow, with a door on one side. Multiple [unclear text - possibly related to storage or storage] are installed inside the cage 52. The tank has partitions, each with through holes. When using the cage 52 to lift fruits and vegetables, the door is first opened, and then the fruits and vegetables are placed on each partition. After all the partitions are full, the door is closed, and then the electric hoist 5 is used to lift the fruits and vegetables in the cage 52 into the tank 2, where subsequent operations can be carried out. The oil-free air compressor 6 can deliver high-pressure gas into the tank 2 through the pressurization pipeline. The controller 1 can control the operation of the ozone generator 4, the oil-free air compressor 6, the selenium-rich water supply pipeline, the ozone delivery pipeline, and the pressurization pipeline. By introducing ozone into the selenium-enriched water in tank 2, the liquid in tank 2 contains both selenium and ozone. The combined effect of selenium and ozone can effectively degrade pesticide residues in fruits and vegetables, thereby improving the safety of edible fruits and vegetables. At the same time, the high-pressure environment inside the tank facilitates the better entry of selenium into the fruits and vegetables, thus achieving selenium enrichment. Fruits and vegetables with low pesticide residues and high selenium content are beneficial to human health.

[0022] Based on the above embodiments, the specific implementation of the selenium-enriched water supply pipeline is as follows: The selenium-enriched water supply pipeline includes a first pipe 101, a first water pump 201, a first electric switch valve 301, and a level gauge. The first pipe 101 connects the water storage tank 3 and the tank body 22. Specifically, one end of the first pipe 101 is connected to the inner bottom of the water storage tank 3, and the other end of the first pipe 101 is connected to an inlet pipe 222 provided on one side of the side wall of the tank body 22. The first water pump 201 and the first electric switch valve 301 are connected in series on the first pipe 101. When the first electric switch valve 301 is in the open state, the first water pump 201 can be used to transport selenium-enriched water from the water storage tank 3 to the tank body 22. The level gauge is used to monitor the level of selenium-enriched water in the tank body 22 in real time. The level gauge is installed inside the tank body 22. The controller is electrically connected to the first water pump 201, the first electric switch valve 301, and the level gauge. In practical applications, the level gauge transmits the monitored level data to the controller 1 in real time. The controller 1 compares the level data with the level threshold range set in the program in real time. When the level data is within the level threshold range, the controller does not need to start the first water pump 201 and the first electric switch valve 301 to replenish the selenium-enriched water. When the level data is lower than the lowest value of the level threshold range, the controller 1 starts the first water pump 201 and the first electric switch valve 301 to replenish the selenium-enriched water. During the replenishment process, when the level data is equal to the maximum value of the level threshold range, the controller 1 simultaneously shuts down the first water pump 201 and the first electric switch valve 301, thereby completing the selenium-enriched water replenishment operation.In practical applications, the selenium-enriched water for fruits and vegetables needs to be repeatedly added and pesticide residues degraded within the tank body 22. Since some vegetables contain soil, and leaf debris falls during transport, the selenium-enriched water within the tank body 22 becomes turbid. This turbid water is not easily reused. To facilitate the replacement of the selenium-enriched water within the tank body 22 while simultaneously conserving water resources, the device also includes a wastewater filtration device 7. The wastewater filtration device 7 is a mature technology product currently available on the market, thus addressing wastewater... The detailed structure and working principle of the filtration device 7 will not be described in detail here. In this specific embodiment, the wastewater filtration device 7 is mainly used for filtering impurities (large particles and residual leaves, etc.) in selenium-rich water. The inlet of the wastewater filtration device 7 is connected to the lower part of the tank body 22 through a second pipe 102. A second water pump 202 and a second electric switch valve 302 are installed on the second pipe 102. The outlet of the wastewater filtration device 7 is connected to the water storage tank 3 through a third pipe 103. A third water pump 203 is connected in series on the 03. The second water pump 202, the second electric switch valve 302, and the third water pump 203 are electrically connected to the controller 1. In practical applications, the water quality inside the tank body 22 can be observed manually. When it is found that the selenium-enriched water inside the tank body 22 needs to be replaced, the controller 1 is used to start the second water pump 202, the second electric switch valve 302, and the third water pump 203, thereby using the wastewater filtration equipment 7 to filter the wastewater discharged from the tank body 22. When the water quality inside the tank body 22 is... After the selenium-enriched water is discharged, the selenium-enriched water in the storage tank 3 is used to clean the inside of the tank body 22. The cleaning wastewater enters the wastewater filtration equipment 7 for filtration treatment. After the cleaning of the tank body 22 is completed, the controller 1 shuts off the second water pump 202, the second electric switch valve 302 and the third water pump 203. Then, the first water pump 201 and the first electric switch valve 301 are started to inject new selenium-enriched water into the tank body 22. After the selenium-enriched water is injected, the selenium-enriched fruits and vegetables can be added again and the pesticide residue degradation treatment can be carried out.

[0023] Based on the above embodiments, the specific implementation of the ozone delivery pipeline is as follows: The ozone delivery pipeline includes a fourth pipe 104, an air pump 204, and a third electric switch valve 303. The fourth pipe 104 connects the outlet of the ozone generator 4 to the bottom of the tank body 22. Specifically, the fourth pipe 104 is connected to the ozone inlet pipe 224 located at the bottom of the tank body 22. Ozone enters the selenium-rich water inside the tank body 22 from the bottom, which facilitates the full absorption of ozone by the selenium-rich water. In practical applications, to prevent the selenium-rich water from backflowing into the ozone generator 4, the ozone can be... The outlet of the oxygen generator 4 is higher than the level of the selenium-enriched water in the tank body 22. The air pump 204 and the third electric switch valve 303 are connected in series to the fourth pipe 104. The air pump 204 and the third electric switch valve 303 are electrically connected to the controller 1. In practical applications, when the controller 1 synchronously starts the ozone generator 4, the air pump 204, and the third electric switch valve 303, ozone is delivered to the tank body 22. When ozone delivery is not required, the controller 1 synchronously shuts off the ozone generator 4, the air pump 204, and the third electric switch valve 303 to facilitate the concentration of ozone in the selenium-enriched water in the tank body 22. To ensure the effectiveness of ozone in sterilization and pesticide residue degradation, the device also includes an online ozone concentration water quality monitor. This online ozone concentration water quality monitor is a mature technology product currently available on the market; therefore, its specific structure and working principle will not be described in detail. In this specific embodiment, the online ozone concentration water quality monitor is used to realize online detection of ozone concentration in the selenium-rich water within the tank body 22. The controller 1 is electrically connected to the online ozone concentration water quality monitor, which performs real-time detection of ozone concentration in the selenium-rich water within the tank body 22. The detected concentration data is transmitted to the controller 1 in real time. The controller 1 compares the detected concentration data with the concentration threshold range set in the program. When the detected concentration data is within the concentration threshold range, the ozone generator 4 is not started. When the detected concentration data is lower than the minimum value of the concentration threshold range, the controller 1 starts the ozone generator 4, the air pump 204 and the third electric switch valve 303 to fill the ozone in the tank body 22. During the filling process, when the detected concentration data is equal to the maximum value within the concentration threshold range, the controller 1 shuts down the ozone generator 4, the air pump 204 and the third electric switch valve 303 to complete the ozone replenishment.

[0024] Based on the above embodiments, the specific implementation of the pressurization pipeline is as follows: the pressurization pipeline includes a fifth pipeline 105, a fourth electric switching valve 304, and a pressure sensor. The fifth pipeline 105 enables the air outlet of the oil-free air compressor 6 to be connected to the inside of the tank 2. Specifically, the fifth pipeline 105 is a flexible hose, and the fifth pipeline 105 is connected to the air pressurization port 211 provided on the tank cover 21. The pressure sensor is located inside the tank 2. The fourth electric switching valve 304 is connected in series with the fifth pipeline 105. The controller 1 is electrically connected to the pressure sensor and the fourth electric switching valve 304. In practical applications, after the basket 52 containing fruits and vegetables is placed inside the tank body 22, the tank lid 21 is sealed onto the tank body 22. A pressure sensor monitors the internal pressure of the tank 2 in real time. When the internal pressure is detected to be lower than the pressure threshold set in the program, the controller 1 activates the oil-free air compressor 6 and the fourth electric switch valve 304 to pressurize the tank 2. During pressurization, when the internal pressure reaches the set pressure threshold, the controller 1 closes the oil-free air compressor 6 and the fourth electric switch valve 304, thus maintaining a high-pressure holding state inside the tank 2. In this specific embodiment, the pressure during high-pressure holding in the tank 2 can be set to 0.2 MPa. When the tank 2 enters the high-pressure holding state, the timer in the controller 1 starts counting. At this time, the high-pressure environment facilitates the selenium addition process of the fruits and vegetables. After the set time is reached, subsequent pressure relief is performed. After pressure relief is completed, the basket 52 can be lifted out of the tank body 22.

[0025] Based on the above embodiments, to facilitate the opening and closing of the can lid 21 on the can body 22, so that the cage 52 can smoothly enter and exit the can body 22, a number of swivel locking parts 221 are provided on the upper outer side of the can body 22 at equal intervals along its circumference. The swivel locking parts 221 are mature technology products on the market, so the specific structure and working principle of the swivel locking parts 221 will not be described in detail. The swivel locking parts 221 are used to achieve a sealed connection between the can lid 21 and the upper part of the can body 22. A fixed bracket 23 is provided on the upper side of the can body 22. A sleeve 231 is provided on the fixed bracket 23. An L-shaped support rod 24 that can rotate freely is sleeved in the sleeve 231. A threaded rod 25 is vertically sleeved on the horizontal crossbar of the L-shaped support rod 24. The lower part of the threaded rod 25 is rotatably connected to the upper part of the can lid 21. By rotating the threaded rod 25, the can lid 21 can be moved up and down. In practical applications, when it is necessary to lift the cage 52 out of the tank body 22, first release the locking of the coupling 221 on the tank cover 21, then rotate the threaded rod 25 to raise the tank cover 21 to a certain height, then rotate the L-shaped support rod 24 to completely remove the tank cover 21 from the top of the tank body 22. After it is removed, the electric hoist 5 can be operated to lift the cage 52 out of the tank body 22 and transfer it. When the can lid 21 is completely removed from the can body 22, the basket 52 containing fruits and vegetables can be put back into the can body 22. After the basket 52 is placed in the can body 22, rotate the L-shaped support rod 24 again to move the can lid 21 completely above the can body 22. Then, rotate the threaded rod 25 to lower the can lid 21 onto the upper part of the can body 22. Then, use the snap-fit ​​locking member 221 to seal and lock the can lid 21 onto the upper part of the can body 22, so that the subsequent processing can proceed.

[0026] To improve the safety of tank 2, a spare drain pipe 223 is installed at the lower part of the tank body 22. A manual switch valve is installed on the spare drain pipe 223. When the drain pipe 225 cannot drain water, the manual switch valve can be manually opened to drain water from the spare drain pipe 223. An exhaust pipe 213, a safety valve 211, and a pressure gauge 214 are installed on the tank cover 21. A fifth electric switch valve is installed on the exhaust pipe 213. The fifth electric switch valve is electrically connected to the controller 1. When pressure relief is required, the controller 1 opens the fifth electric switch valve to relieve pressure inside the tank 2. When the internal pressure of the tank 2 exceeds the set value of the safety valve 211, the safety valve 211 automatically opens to release the high pressure inside the tank 2, thereby ensuring the safety of tank 2. The pressure gauge 214 allows the staff to monitor the internal pressure of the tank 2 at all times.

[0027] In practical applications, to improve the efficiency of treating pesticide residues in fruits and vegetables by adding selenium, multiple cages 52 can be set up. Workers fill the cages 52 with fruits and vegetables on a workbench 8. Multiple cages 52 filled with fruits and vegetables line up on the workbench 8 to fall into the tank 2, thereby improving the efficiency of fruit and vegetable treatment.

[0028] In this utility model, "upper", "lower", "front", "back", "left", and "right" are all relative positions used to facilitate the description of positional relationships, and therefore cannot be understood as absolute positions as limitations on the scope of protection.

[0029] Except for the technical features described in the specification, all other technologies are known to those skilled in the art.

[0030] The preferred embodiments and examples of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments and examples. For those skilled in the art, several improvements and modifications can be made without departing from the concept of the present invention, and these improvements and modifications should also be considered within the protection scope of the present invention.

Claims

1. A device for simultaneously removing pesticide residues from agricultural products by adding selenium, characterized in that, The system includes a controller, a tank, a water storage tank, an ozone generator, an electric hoist, a hoisting rail, a cage, and an oil-free air compressor. The tank includes a tank cover and a tank body. The tank cover is detachable and sealed to the tank body. The water storage tank is filled with selenium-enriched water. A selenium-enriched water supply pipeline is used to transport the selenium-enriched water from the water storage tank into the tank. An ozone delivery pipeline is used to deliver ozone generated by the ozone generator into the tank. The electric hoist is mounted on the hoisting rail and is used to hoist the cage into the tank. The cage is used to hold fruits and vegetables. The oil-free air compressor delivers high-pressure gas into the tank via a pressurization pipeline. The controller controls the operation of the ozone generator, the oil-free air compressor, the selenium-enriched water supply pipeline, the ozone delivery pipeline, and the pressurization pipeline.

2. The device for simultaneously removing pesticide residues from agricultural products by adding selenium as described in claim 1, characterized in that, The selenium-enriched water supply pipeline includes a first pipe, a first water pump, a first electric switch valve, and a level gauge. The first pipe connects the water storage tank to the tank body. The first water pump and the first electric switch valve are connected in series on the first pipe. The level gauge is installed inside the tank body. The controller is electrically connected to the first water pump, the first electric switch valve, and the level gauge.

3. The device for simultaneously removing pesticide residues from agricultural products by adding selenium as described in claim 2, characterized in that, The device also includes a wastewater filtration device. The inlet of the wastewater filtration device is connected to the lower part of the tank body through a second pipe. A second water pump and a second electric switch valve are installed on the second pipe. The outlet of the wastewater filtration device is connected to the water storage tank through a third pipe. A third water pump is connected in series on the third pipe. The second water pump, the second electric switch valve and the third water pump are electrically connected to the controller.

4. The device for simultaneously removing pesticide residues from agricultural products by adding selenium as described in claim 1, characterized in that, The ozone delivery pipeline includes a fourth pipe, an air pump, and a third electric switch valve. The fourth pipe enables a through connection between the outlet of the ozone generator and the bottom of the tank body. The air pump and the third electric switch valve are connected in series on the fourth pipe and are electrically connected to the controller.

5. The device for simultaneously removing pesticide residues from agricultural products by adding selenium as described in claim 4, characterized in that, The device also includes an online ozone concentration water quality monitor, which is used to detect the ozone concentration in the selenium-rich water inside the tank body online. The controller is electrically connected to the online ozone concentration water quality monitor.

6. The device for simultaneously removing pesticide residues from agricultural products by adding selenium as described in claim 1, characterized in that, The pressurization pipeline includes a fifth pipeline, a fourth electric switch valve, and a pressure sensor. The fifth pipeline enables a through connection between the air outlet of the oil-free air compressor and the interior of the tank. The pressure sensor is installed inside the tank. The fourth electric switch valve is connected in series with the fifth pipeline. The controller is electrically connected to the pressure sensor and the fourth electric switch valve.

7. The device for simultaneously removing pesticide residues from agricultural products by adding selenium as described in claim 1, characterized in that, in The upper outer side of the tank body is provided with several swivel locking parts evenly distributed along its circumference. The swivel locking parts are used to achieve a sealed connection between the tank lid and the upper part of the tank body. A fixed bracket is provided on one side of the upper part of the tank body. A sleeve is provided on the fixed bracket. An L-shaped support rod that can rotate freely is placed inside the sleeve. A threaded rod is vertically placed on the horizontal crossbar of the L-shaped support rod. The lower part of the threaded rod is rotatably connected to the upper part of the tank lid. The tank lid can be moved up and down by rotating the threaded rod.

8. The device for simultaneously removing pesticide residues from agricultural products by adding selenium as described in claim 7, characterized in that, in A spare drain pipe is provided at the lower part of the tank body, and a manual switch valve is provided on the spare drain pipe. An exhaust pipe, a safety valve and a pressure gauge are provided on the tank cover. A fifth electric switch valve is provided on the exhaust pipe, and the fifth electric switch valve is electrically connected to the controller.

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