CN108851120A - A kind of residual removal device of efficient agriculture and method for vegetables - Google Patents

Abstract

The invention provides a high-efficiency pesticide residue removal device and method for vegetables, wherein, a high-efficiency pesticide residue removal device for vegetables includes a conveying mechanism, a feeding port, a sundry removal mechanism, a first washing mechanism, The pesticide residue removal mechanism, the second washing mechanism, the third washing mechanism and the discharge port; the transmission mechanism includes a conveyor belt and a driving device for driving the conveyor belt; the conveyor belt passes through the feed port and the debris removal mechanism in sequence , the first rinsing mechanism, the pesticide residue removal mechanism, the second rinsing mechanism, the third rinsing mechanism and the discharge port. The high-efficiency pesticide residue removal device for vegetables provided by the present invention effectively removes residual pesticides and adhered soil and other impurities on vegetables by setting a sundry removal mechanism, a pesticide residue removal mechanism, and three washing mechanisms; The material holder is set on the conveyor belt, so that the vegetables are kept independent of each other during the process of removing pesticide residues, and the original shape of the vegetables can be preserved intact.

Description

A high-efficiency pesticide residue removal device and method for vegetables

technical field

The invention relates to a pesticide residue removal technology for agricultural products, in particular to a high-efficiency pesticide residue removal device and method for vegetables.

Background technique

With the continuous development of modern agriculture, pesticides are widely used to increase the yield of agricultural products. The ensuing pesticide residue problem has also become increasingly prominent, seriously affecting food safety and the health of consumers. Especially leafy vegetables such as Shanghai greens and lettuce have a large contact area with the outside world and are easily affected by diseases and insect pests. During the planting process, more pesticides will be applied, and their growth cycle is short, which leads to the occurrence of pesticides in this type of vegetable products. Residues often exceed national standards, which not only pollutes the ecological environment, but more seriously damages the health of consumers.

Currently, leafy vegetables such as Shanghai Green are washed with clean water to reduce the amount of pesticide residues on the products because there is no suitable pesticide residue removal equipment to reduce the pesticide residues on the products before they are sold. The removal effect of pesticide residues is poor, and in order to avoid damage to the product, it is difficult to carry out intensive operations, resulting in low efficiency of removing pesticide residues.

Contents of the invention

In order to solve the above mentioned deficiencies in the prior art, the present invention provides a high-efficiency pesticide residue removal device and method for vegetables to efficiently remove pesticide residues on vegetables.

Among them, a high-efficiency pesticide residue removal device for vegetables provided by the present invention includes a conveying mechanism, a feed inlet, a sundry removal mechanism, a first rinsing mechanism, a pesticide residue removal mechanism, a second rinsing mechanism, a third Rinsing mechanism and outlet;

The transmission mechanism includes a conveyor belt and a driving device for driving the conveyor belt; the conveyor belt sequentially passes through the feed inlet, the debris removal mechanism, the first rinse mechanism, the pesticide residue removal mechanism, the second rinse mechanism, and the conveyor belt. washing mechanism, the third washing mechanism and the outlet;

A number of material clamping parts are equidistantly arranged on the conveyor belt, and the material clamping parts include first elastic belts and second elastic belts arranged symmetrically; the first elastic belts and the second elastic belts are arc-shaped shape; the first elastic band and the second elastic band are respectively provided with a first magnetic substance block and a second magnetic substance block;

The feed inlet is provided with a first feed electromagnet and a second feed electromagnet; the first feed electromagnet and the second feed electromagnet are symmetrically arranged on both sides of the conveyor belt movement path ;

The debris removal mechanism includes a first soaking tank for holding the first soaking liquid and an ultrasonic generator; the pesticide residue removal mechanism includes a second soaking tank for holding the second soaking liquid and a temperature control device;

The first discharge electromagnet and the second discharge electromagnet are arranged on the discharge port; the first discharge and feed electromagnets and the second discharge electromagnets are symmetrically arranged at two ends of the conveyor belt movement route. side.

Further, a waste water treatment mechanism is also included, and the debris removal mechanism, the first rinsing mechanism, the pesticide residue removal mechanism, the second rinsing mechanism, and the third rinsing mechanism are all connected to the waste water treatment mechanism.

Further, a first conveyor belt vibrating device is also provided in the first soaking tank; the first conveyor belt vibrating device is used to vibrate the conveyor belt in the first soaking tank.

Further, a second conveyor belt vibrating device is also provided in the second soaking tank; the second conveyor belt vibrating device is used to vibrate the conveyor belt in the second soaking tank.

Further, the first soaking liquid is clear water.

Further, the second soaking solution includes, by mass fraction, 0.1%-0.3% sodium carbonate, 0.2%-0.35% sodium bicarbonate, and the balance is water.

Further, the transmission mechanism includes a plurality of conveyor belts; each of the conveyor belts is arranged in parallel; the feed inlet is correspondingly provided with a plurality of first feed electromagnets and second feed electromagnets; Correspondingly, a plurality of first discharging electromagnets and second discharging electromagnets are arranged on the material opening.

The present invention also provides a high-efficiency pesticide residue removal method for vegetables, which is applied to the high-efficiency pesticide residue removal device for vegetables as described in any one of the above, including the following steps:

S10, placing the vegetables to be removed of pesticide residues on the material holder on the conveyor belt at the feed port;

S20. Transporting the vegetables to the first soaking pool, soaking for 1 min to 3 min, during which time an ultrasonic generator is started to perform ultrasonic cleaning on the vegetables, and the ultrasonic frequency is 45 kHz to 50 kHz;

S30. The vegetables processed in step S20 are transported to the first rinsing mechanism, and the vegetables are leached for the first time;

S40, the vegetables treated in step S30 are transported to the second soaking tank, and soaked for 3 minutes to 5 minutes; during this period, the temperature in the second soaking tank is controlled to be 10°C to 15°C;

S50, the vegetables processed in step S40 are transported to the second rinsing mechanism, and the vegetables are rinsed for the second time;

S60. The vegetables processed in step S50 are transported to the third rinsing mechanism, and the vegetables are rinsed for the third time;

S70. The vegetables processed in step S60 are transported to the discharge port.

Further, the soaking liquid in the first soaking pool is clear water; the soaking liquid in the second soaking pool includes, by mass fraction, 0.1% to 0.3% sodium carbonate, 0.2% to 0.35% sodium bicarbonate, The balance is water.

Further, the washing liquid used when washing the vegetables in step S30 is clear water; the washing liquid used when washing the vegetables in steps S50 and S60, in terms of mass fraction, includes 0.01% to 0.03% Citric acid, 0.05%-0.07% glucose, and the balance is water.

The high-efficiency pesticide residue removal device for vegetables provided by the present invention can process vegetables in a reasonable and orderly manner by setting a debris removal mechanism, a pesticide residue removal mechanism, and three washing mechanisms, and effectively remove pesticides and sticky residues on vegetables. At the same time, a material holder is set on the conveyor belt to keep the vegetables independent of each other during the removal of pesticide residues, and the original shape of the vegetables can be preserved intact. The high-efficiency pesticide residue removal device for vegetables provided by the invention has simple structure, reasonable design, and assembly line operation, and is especially suitable for leafy vegetables with thicker stems such as Shanghai greens, lettuce, and pak choy, and can effectively improve the pesticide residue removal device. Efficiency of pesticide residue removal in vegetables.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structural representation of the high-efficiency pesticide residue removal device for vegetables provided by the present invention;

Fig. 2 is a schematic diagram of an embodiment of Fig. 1;

Fig. 3 is the structural representation of conveyor belt among Fig. 1;

Fig. 4 is a schematic diagram of a preferred embodiment provided by the present invention;

Fig. 5 is a schematic diagram of another preferred embodiment provided by the present invention.

Reference signs:

10 Feeding port 11 The first feeding electromagnet 12 The second feeding electromagnet

20 sundry removal mechanism 21 first immersion tank 22 ultrasonic generator

30 The first washing mechanism 40 The pesticide residue removal mechanism 41 The second soaking tank

42 temperature control device 50 second washing mechanism 60 third washing mechanism

70 outlet 80 conveyor belt 81 first elastic belt

82 second elastic bands 83 first magnetic substance blocks 84 second magnetic substance blocks

90 Wastewater treatment institutions

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the use of "first", "second" and similar terms do not imply any order, quantity or importance, but are only used to distinguish different components.

As shown in Figure 1 and Figure 2, a high-efficiency pesticide residue removal device for vegetables provided by the present invention includes a conveying mechanism, a feed port 10, a sundry removal mechanism 20, a first rinsing mechanism 30, and a pesticide residue removal mechanism. Mechanism 40, the second washing mechanism 50, the third washing mechanism 60 and the discharge port 70;

The transmission mechanism includes a conveyor belt 80 and a driving device for driving the conveyor belt 80; the conveyor belt 80 passes through the feed port 10, the debris removal mechanism 20, the first rinse mechanism 30, the pesticide residue The removal mechanism 40, the second rinsing mechanism 50, the third rinsing mechanism 60 and the discharge port 70;

The conveyor belt 80 is equidistantly provided with several material clamping parts, and the material clamping parts include a first elastic belt 81 and a second elastic belt 82 which are arranged symmetrically; the first elastic belt 81 and the second elastic belt The elastic band 82 is arc-shaped; the first elastic band 81 and the second elastic band 82 are respectively provided with a first magnetic substance block 83 and a second magnetic substance block 84;

The first feed electromagnet 11 and the second feed electromagnet 12 are provided on the feed port 10; the first feed electromagnet 11 and the second feed electromagnet 12 are symmetrically arranged on the conveying Both sides with 80 movement routes;

The debris removal mechanism 20 includes a first soaking tank 21 and an ultrasonic generator 22 for holding the first soaking liquid; the pesticide residue removal mechanism 40 includes a second soaking tank 41 for holding the first soaking liquid and temperature control device 42;

The first discharge electromagnet and the second discharge electromagnet are arranged on the discharge port 70; sides of the route.

During specific implementation, as shown in Figure 1, the transmission mechanism includes a conveyor belt 80 and a driving device for driving the motion of the conveyor belt 80; the driving device includes a plurality of driving wheels and a plurality of driven wheels; the driving wheel is used for running the conveyor belt 80 Power is provided, and the driven wheel is used to guide the running track of the conveyor belt 80; as shown in Figure 1, the conveyor belt 80 passes through the feed port 10, the debris removal mechanism 20, and the first washing mechanism in the driving direction of the driving device in sequence. 30. The pesticide residue removal mechanism 40, the second rinsing mechanism 50, the third rinsing mechanism 60, and the discharge port 70, and then return to the feed port 10 again, and operate in a reciprocating manner;

As shown in Figure 3, several windows are provided at equal intervals on the conveyor belt 80, and a material holding member is respectively arranged in each window, and the material holding member includes a symmetrically arranged first elastic belt 81 and a second elastic belt 82 The first elastic band 81 and the second elastic band 82 are arc-shaped and surround an approximately elliptical clamping mouth; the stem of the vegetable is placed in the clamping mouth, and is subjected to the first elastic band 81 and the second elastic band 82 The elastic effect of the vegetable will be firmly placed on the material holder; the first elastic band 81 and the second elastic band 82 are respectively provided with a first magnetic material block 83 and a second magnetic material block 84;

A first feed electromagnet 11 and a second feed electromagnet 12 are provided at the feed port 10; the first feed electromagnet 11 and the second feed electromagnet 12 are symmetrically arranged on both sides of the conveyor belt 80 movement path The feeding port 10 is the position where the vegetables to be removed of pesticide residues are placed on the conveyor belt 80; when the material holding member passes between the first feeding electromagnet 11 and the second feeding electromagnet 12, the first elastic The magnetic substance block on the belt 81 and the second elastic belt 82 is attracted by the first feeding electromagnet 11 and the second feeding electromagnet 12, and drives the first elastic belt 81 and the second elastic belt 82 to move to both sides. , so that the area of the clamping opening between the first elastic band 81 and the second elastic band 82 is increased, and then vegetables can be easily placed in the clamping opening;

The sundry removal mechanism 20 is located at the rear of the feed inlet 10, and the vegetables put into from the feed inlet 10 are transported by the conveyor belt 80 and enter the sundry removal mechanism 20; The first immersion tank 21 and the ultrasonic generator 22 of the liquid; the first immersion liquid can be clear water, light salt water or ozone water; the first immersion liquid is clear water in the embodiment of the present invention; In the soaking tank 21, soak in the first soaking liquid, during which the ultrasonic generator 22 is turned on to generate ultrasonic waves with a frequency of 45 kHz to 50 kHz, and ultrasonic cleaning is performed on the vegetables; the sundry removal mechanism 20 can effectively remove the soil, broken leaves and other sundries;

The first rinsing mechanism 30 is located at the rear of the debris removal mechanism 20, and the shower head of the first rinsing mechanism 30 is located above the conveyor belt 80; the vegetables processed by the debris removal mechanism 20 are transported by the conveyor belt 80 to the first The washing mechanism 30 is used to wash the vegetables for the first time to remove the first soaking liquid and residual soil, broken leaves and other sundries attached to the vegetables; at this time, the stems of the vegetables face downwards and the leaves face upwards; the second When the washing mechanism 30 washes the vegetables, the direction of the water flow is from the leaves of the vegetables to the stems of the vegetables.

Vegetables after the first rinsing are transported to the pesticide residue removal mechanism 40 by the conveyor belt 80, and the pesticide residue removal mechanism 40 includes a second soaking tank 41 for holding the second soaking liquid; the second soaking liquid can be clear water, Ozone water or a mixed aqueous solution of sodium carbonate and sodium bicarbonate; preferably, the second soaking solution, in terms of mass fraction, includes 0.1% to 0.3% of sodium carbonate, 0.2% to 0.35% of sodium bicarbonate, and the balance It is water; the vegetables enter the second soaking pool 41 under the drive of the conveyor belt 80, and are soaked in the second soaking liquid to remove most of the residual pesticides on the vegetables; a temperature control device 42 is also established in the pesticide residue removal mechanism 40, and the temperature control The device 42 includes a refrigerator and a heater; it is used to maintain the temperature of the second soaking liquid within a set range; preferably, the temperature of the second soaking liquid is 10°C-15°C.

The second washing mechanism 50 is arranged at the rear of the pesticide residue removal mechanism 40, and the third washing mechanism 60 is located under the second washing mechanism 50; the shower heads of the second washing mechanism 50 and the third washing mechanism 60 are also Set above the conveyor belt 80; the vegetables processed by the pesticide residue removal mechanism 40 are transported to the second rinsing mechanism 50 by the conveyor belt 80, and the vegetables are rinsed for the second time to remove the second soaking liquid adhering to the vegetables; At this time, the vegetable stems are facing downwards, and the leaves are facing upwards; when the second rinsing mechanism 50 rinses the vegetables, the direction of the water flow is from the leaves of the vegetables to the stems of the vegetables. Rinse; when the vegetables after the second rinsing are transported to the third rinsing mechanism 50 by the conveyor belt 80, due to the movement direction of the conveyor belt 80 is changed under the drive of the driving device, after the vegetables of the third rinsing mechanism 60 The stems of the vegetables face upwards, and the leaves face downwards; when the third washing mechanism 60 washes the vegetables, the direction of the water flow is from the stems of the vegetables to the leaves of the vegetables. At this time, the stems of the vegetables are mainly washed .

The vegetables washed for the third time are transported to the discharge port 70 by the conveyor belt 80, and the first discharge electromagnet and the second discharge electromagnet are arranged on the discharge; The electromagnets are arranged symmetrically on both sides of the moving route of the conveyor belt 80; the conveyor belt 80 drives the vegetables to move between the first discharge electromagnet and the second discharge electromagnet, the first elastic belt 81 and the second elastic belt 82 Under the attraction of the first discharge electromagnet and the second discharge electromagnet, the magnetic substance block on the top drives the first elastic belt 81 and the second elastic belt 82 to move to both sides, so that the first elastic belt 81 and the second elastic belt The area of the clamping opening between the two elastic bands 82 increases, so that the vegetables can be easily taken out from the clamping opening.

The embodiment of the present invention provides a high-efficiency pesticide residue removal device for vegetables. In actual work, it is especially suitable for leafy vegetables with thicker stems such as Shanghai greens, lettuce, and Chinese cabbage; Residue removal as an example, the specific working principle of the high-efficiency pesticide residue removal device for vegetables provided in the embodiment of the present invention is described as follows:

First, put the sea green on the material holder on the conveyor belt 80 at the feed port 10; then the conveyor belt 80 transports the sea green to the sundry removal mechanism 20, so that the sea green is soaked in the first soaking liquid, and simultaneously opens Ultrasonic sending device, carry out ultrasonic cleaning to Shanghai green, remove the sundries such as soil, broken leaf that sticks on Shanghai green; The Shanghai green processed by sundry removal mechanism 20 is transported to the first washing mechanism 30 by conveyer belt 80, to Shanghai green is carried out the first rinsing to remove the first soaking liquid attached to the Shanghai green; the Shanghai green after the first leaching is transported to the pesticide residue removal mechanism 40 by the conveyor belt 80, so that the Shanghai green is soaked in the second soaking solution. In the soaking liquid, the temperature of the second soaking liquid is controlled by the temperature control device 42 at the same time to remove the residual pesticides on the Shanghai green; the Shanghai green processed by the pesticide residue removal mechanism 40 is transported to the second washing mechanism 50 and the second washing mechanism 50 by the conveyor belt 80. Three rinsing mechanisms 60, carry out the second rinsing and the third rinsing to the Shanghai green, remove the second soaking liquid adhered to the Shanghai green; the Shanghai green after the third leaching is transported to The discharge port 70 is used to complete the removal of pesticide residues in Shanghai Green.

The high-efficiency pesticide residue removal device for vegetables provided by the embodiments of the present invention can process vegetables in a reasonable and orderly manner by setting up a debris removal mechanism, a pesticide residue removal mechanism, and three washing mechanisms, and effectively remove pesticide residues on vegetables And the adhered soil; at the same time, the material clamping parts are set on the conveyor belt, so that the vegetables can be kept independent of each other during the process of removing pesticide residues, and the original shape of the vegetables can be preserved intact. The high-efficiency pesticide residue removal device for vegetables provided by the embodiments of the present invention has a simple structure, a reasonable design, and an assembly line operation, which can effectively improve the efficiency of removing pesticide residues in vegetables.

Preferably, a wastewater treatment mechanism 90 is also included, and the debris removal mechanism 20, the first rinsing mechanism 30, the pesticide residue removal mechanism 40, the second rinsing mechanism 50, and the third rinsing mechanism 60 are all connected with the wastewater treatment mechanism. Mechanism 90 is connected. During specific implementation, as shown in Figure 5, the high-efficiency pesticide residue removal device for vegetables provided by the embodiment of the present invention also includes a waste water treatment mechanism 90, a sundry removal mechanism 20, a first rinse mechanism 30, and a pesticide residue removal mechanism 40 1. The waste water generated by the second washing unit 50 and the third washing unit 60 is purified and treated by the waste water treatment unit 90 and reused, effectively reducing the operating cost of the high-efficiency pesticide residue removal device for vegetables provided by the embodiment of the present invention.

Preferably, the first immersion tank 21 is also provided with a first conveyor belt vibration device; the first conveyor belt vibration device is used to vibrate the conveyor belt 80 in the first immersion tank 21 .

Preferably, the second immersion tank 41 is further provided with a second conveyor belt vibration device; the second conveyor belt vibration device is used to vibrate the conveyor belt 80 in the second immersion tank 41 .

During specific implementation, the first conveyer belt vibrating device is also provided with in the first immersion tank 21, and the second conveyer belt vibrating device is also provided with in the second immersing tank 41; The conveyer belt vibrating device can be a vibrating motor; The conveyor belt vibrating device vibrates the conveyor belt 80 in the first soaking tank 21, and the conveyor belt 80 in the second soaking tank 41 is vibrated by the second conveyor belt vibrating device, thereby driving the vibration of the vegetables on the conveyor belt 80, further improving miscellaneous The effect of removing pollutants and pesticide residues.

Preferably, the transmission mechanism includes a plurality of conveyor belts 80; each of the conveyor belts 80 is arranged in parallel; the feeding port 10 is correspondingly provided with a plurality of first feeding electromagnets 11 and second feeding electromagnets 12. The discharge port 70 is correspondingly provided with a plurality of first discharge electromagnets and second discharge electromagnets. During specific implementation, as shown in Figure 4, a plurality of conveyor belts 80 with the same structure are arranged on the transmission mechanism, and a plurality of first feeding electromagnets 11 and second feeding electromagnets 12 are correspondingly provided at the feeding port 10 A plurality of first discharge electromagnets and second discharge electromagnets are correspondingly provided on the discharge port 70; through a plurality of conveyor belts 80 running in parallel, the efficiency of pesticide residue removal work is further improved.

Preferably, a breeze blowing mechanism is also provided between the third washing mechanism 60 and the discharge port 70, by setting a plurality of fans to form a breeze with a wind speed of 2 to 3, and the vegetables after the third rinsing Preliminary drying is carried out to avoid a large amount of liquid dripping from the vegetables transported to the discharge port 70 .

The embodiment of the present invention also provides a high-efficiency pesticide residue removal method for vegetables, which is applied to the high-efficiency pesticide residue removal device for vegetables as described in any one of the above, including the following steps:

S10, placing the vegetables to be removed of pesticide residues on the material holder on the conveyor belt at the feed port;

S20. Transporting the vegetables to the first soaking pool, soaking for 1 min to 3 min, during which time an ultrasonic generator is started to perform ultrasonic cleaning on the vegetables, and the ultrasonic frequency is 45 kHz to 50 kHz;

S30. The vegetables processed in step S20 are transported to the first rinsing mechanism, and the vegetables are leached for the first time;

S40, the vegetables treated in step S30 are transported to the second soaking tank, and soaked for 3 minutes to 5 minutes; during this period, the temperature in the second soaking tank is controlled to be 10°C to 15°C;

S50, the vegetables processed in step S40 are transported to the second rinsing mechanism, and the vegetables are rinsed for the second time;

S60. The vegetables processed in step S50 are transported to the third rinsing mechanism, and the vegetables are rinsed for the third time;

S70. The vegetables processed in step S60 are transported to the discharge port.

During specific implementation, at first the vegetables that remove pesticide residues are placed on the material holder on the conveyor belt 80 at the feed port 10, so that the leaves of the vegetables are upward and the stems are downward;

Afterwards, the conveyor belt 80 transports the vegetables to the debris removal mechanism 20, so that the vegetables are soaked in the first soaking solution for 1-3 minutes, preferably, the vegetables are soaked in the first soaking solution for 2 minutes; at the same time, the ultrasonic sending device is turned on to generate Ultrasonic waves with a frequency of 45kHz to 50kHz, preferably, the generated ultrasonic frequency is 47kHz; the vegetables are ultrasonically cleaned to remove dirt, broken leaves and other debris adhering to the vegetables; preferably, the first soaking tank 21 Soaking liquid is clear water;

The vegetables processed by the debris removal mechanism 20 are transported by the conveyor belt 80 to the first rinsing mechanism 30, and the vegetables are leached for the first time to remove the first soaking liquid adhering to the vegetables; preferably, the first rinsing The eluent used for washing is water;

The vegetables after the first rinsing are transported to the pesticide residue removal mechanism 40 by the conveyor belt 80, so that the vegetables are soaked in the second soaking solution for 3 minutes to 5 minutes, preferably, the vegetables are soaked in the second soaking solution for 4 minutes; At the same time, the temperature of the second soaking liquid is controlled by the temperature control device 42 to be 10° C. to 15° C. Preferably, the temperature of the second soaking liquid is 12° C.; remove residual pesticides on the vegetables; preferably, the second soaking pool 41 The immersion solution in the immersion tank, in terms of mass fraction, includes 0.1% to 0.3% sodium carbonate, 0.2% to 0.35% sodium bicarbonate, and the balance is water. In the embodiment of the present invention, the immersion solution in the second immersion pool 41 , in mass fraction, comprising 0.15% sodium carbonate, 0.3% sodium bicarbonate, and the balance being water;

The vegetables processed by the pesticide residue removal mechanism 40 are transported to the second rinsing mechanism 50 and the third rinsing mechanism 60 by the conveyor belt 80, and the vegetables are subjected to the second rinsing and the third rinsing to remove the adhering pollutants on the vegetables. The second soaking liquid; preferably, the washing liquid used when the vegetables are rinsed for the second time and the third time, in terms of mass fraction, includes 0.01% to 0.03% citric acid, 0.05% to 0.07% Glucose, and the balance is water; In the embodiment of the present invention, the leaching liquid used when carrying out the second rinsing and the third rinsing to the vegetables, in terms of mass fraction, includes 0.02% citric acid, 0.06% Glucose, the balance is water.

The vegetables after the third rinsing are transported to the discharge port 70 by the conveyor belt 80 to complete the removal of pesticide residues in the vegetables.

The high-efficiency pesticide residue removal method for vegetables provided by the embodiments of the present invention can effectively remove the sundries and pesticides adhering to the vegetables by soaking the vegetables twice and washing them three times; When washing and washing for the third time, using a mixed solution of citric acid and glucose can also prolong the preservation time. The high-efficiency pesticide residue removal method for Shanghai green vegetables provided by the embodiment of the present invention can effectively remove residual pesticides, adhered soil, broken leaves and other sundries on vegetables, while ensuring that the original shape of vegetables is not damaged. It is especially suitable for leafy vegetables with thick stems such as bok choy, lettuce, and pak choy, among which the removal effect of pesticide residues on bok choy is the best.

Although in this article, more used such as feed inlet, electromagnet, sundry removal mechanism, soaking tank, ultrasonic generator, rinsing mechanism, pesticide residue removal mechanism, temperature control device, discharge outlet, conveyor belt, elastic belt , Magnetic substance blocks, waste water treatment institutions and other terms, but the possibility of using other terms is not excluded. These terms are used only for the purpose of describing and explaining the essence of the present invention more conveniently; interpreting them as any kind of additional limitation is against the spirit of the present invention.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (10)

1. A high-efficiency pesticide residue removal device for vegetables, characterized in that: it includes a conveying mechanism, a feed inlet (10), a debris removal mechanism (20), a first washing mechanism (30), and a pesticide residue removal mechanism (40), the second washing mechanism (50), the third washing mechanism (60) and the discharge port (70); The transmission mechanism includes a conveyor belt (80) and a driving device for driving the conveyor belt (80); the conveyor belt (80) passes through the feed port (10), the debris removal mechanism (20) in sequence , the first rinsing mechanism (30), the pesticide residue removal mechanism (40), the second rinsing mechanism (50), the third rinsing mechanism (60) and the discharge port (70); The conveyor belt (80) is equidistantly provided with a number of material clamping parts, and the material clamping parts include symmetrically arranged first elastic belts (81) and second elastic belts (82); the first elastic belts (81) and the second elastic band (82) are arc-shaped; the first elastic band (81) and the second elastic band (82) are respectively provided with a first magnetic substance block (83) and a second Two magnetic substance blocks (84); The first feeding electromagnet (11) and the second feeding electromagnet (12) are arranged on the described feeding port (10); the first feeding electromagnet (11) and the second feeding electromagnet The irons (12) are arranged symmetrically on both sides of the moving route of the conveyor belt (80); The debris removal mechanism (20) includes a first soaking tank (21) and an ultrasonic generator (22) for holding the first soaking liquid; The second immersion tank (41) and temperature control device (42) of immersion liquid; The discharge port (70) is provided with a first discharge electromagnet and a second discharge electromagnet; the first discharge feed electromagnet and the second discharge electromagnet are symmetrically arranged on the conveyor belt (80) Both sides of the movement route. 2. The high-efficiency pesticide residue removal device for vegetables according to claim 1, characterized in that: it also includes a waste water treatment mechanism (90), the sundry removal mechanism (20), the first rinsing mechanism (30), The pesticide residue removal mechanism (40), the second rinsing mechanism (50), and the third rinsing mechanism (60) are all connected to the wastewater treatment mechanism (90). 3. The high-efficiency pesticide residue removal device for vegetables according to claim 1, characterized in that: the first conveyor belt vibrating device is also provided in the first soaking pool (21); the first conveyor belt vibrating device It is used for vibrating the conveyor belt (80) in the first soaking tank (21). 4. The high-efficiency pesticide residue removal device for vegetables according to claim 1, characterized in that: a second conveyor belt vibrating device is also provided in the second soaking pool (41); the second conveyor belt vibrating device It is used for vibrating the conveyor belt (80) in the second soaking tank (41). 5. The high-efficiency pesticide residue removal device for vegetables according to claim 1, wherein the first soaking liquid is clear water. 6. The high-efficiency pesticide residue removal device for vegetables according to claim 1, characterized in that: the second soaking liquid, in terms of mass fraction, includes 0.1% to 0.3% of sodium carbonate, 0.2% to 0.35% of Sodium bicarbonate, the balance is water. 7. The high-efficiency pesticide residue removal device for vegetables according to claim 1, characterized in that: the transmission mechanism includes a plurality of conveyor belts (80); each of the conveyor belts (80) is arranged in parallel; The feed port (10) is correspondingly provided with a plurality of first feed electromagnets (11) and second feed electromagnets (12); the discharge port (70) is correspondingly provided with a plurality of first discharge electromagnets Iron and second discharge solenoid. 8. A high-efficiency pesticide residue removal method for vegetables, applied to the high-efficiency pesticide residue removal device for vegetables as claimed in any one of claims 1 to 7, characterized in that: comprising the following steps: S10, placing the vegetables to be removed of pesticide residues on the material holder on the conveyor belt at the feed port; S20. Transporting the vegetables to the first soaking tank, soaking for 1 min to 3 min, during which time an ultrasonic generator is started to perform ultrasonic cleaning on the vegetables, and the ultrasonic frequency is 45 kHz to 50 kHz; S30. The vegetables processed in step S20 are transported to the first rinsing mechanism, and the vegetables are leached for the first time; S40. The vegetables treated in step S30 are transported to the second soaking tank, and soaked for 3 min to 5 min; during this period, the temperature in the second soaking tank is controlled to be 10°C to 15°C; S50, the vegetables processed in step S40 are transported to the second rinsing mechanism, and the vegetables are rinsed for the second time; S60. The vegetables processed in step S50 are transported to the third rinsing mechanism, and the vegetables are rinsed for the third time; S70. The vegetables processed in step S60 are transported to the discharge port. 9. The efficient pesticide residue removal method for vegetables according to claim 8, characterized in that: the soaking liquid in the first soaking pool is clear water; the soaking liquid in the second soaking pool, in terms of mass fraction, includes 0.1% ～0.3% sodium carbonate, 0.2%～0.35% sodium bicarbonate, and the balance is water. 10. The efficient pesticide residue removal method for vegetables according to claim 8, characterized in that: in step S30, the leaching solution used when rinsing vegetables is clear water; in steps S50 and S60, rinsing vegetables The eluent used during the process includes, by mass fraction, 0.01% to 0.03% citric acid, 0.05% to 0.07% glucose, and the balance is water.