CN209548848U - Sample filtration device is used in Practice for Pesticide Residue in Agricultural Products detection - Google Patents

Abstract

The utility model relates to a sample filter device for detecting pesticide residues in agricultural products, which comprises a box body. The top of the box body is provided with a feeding pipe, the bottom of the box body is provided with a discharge pipe, and the box body is provided with a first-stage filter plate, a second-stage The filter plate, the three-stage filter plate and the rotating shaft, the top of the rotating shaft is fixed with a rotary joint, the rotary joint is fixed with a water pump, the rotating shaft is provided with an infusion channel, the rotating shaft is fixed with a stirring rod, and the stirring shaft is provided with an infusion chamber connected with the infusion channel , the bottom of the stirring rod is provided with a water spray hole 1, and the rotating shaft is provided with a horizontal water spray hole 2, and a discharge pipe is fixed on the side wall of the box above the primary filter plate, secondary filter plate and tertiary filter plate. There is a valve on the pipe. In the utility model, three-stage filter plates are arranged in the box to filter more cleanly, and a stirring rod is provided above each stage of filter plate, which can stir the solution to prevent impurity precipitation from clogging the filter plate, increase the filtration efficiency, and It is more convenient and quick to clean.

Description

Sample filter device for pesticide residue detection in agricultural products

technical field

The utility model belongs to the technical field of agricultural product detection, in particular to a sample filter device for detection of agricultural product pesticide residues.

Background technique

At present, the production of agricultural products is increasingly dependent on pesticides, and the unreasonable use of pesticides will inevitably lead to excessive pesticide residues in agricultural products and affect the safety of consumers. Therefore, it is very important to detect the content of pesticides in agricultural products. The agricultural product solution obtained after crushing is filtered to facilitate the extraction of the solution. However, there are certain problems in the use of the current filter device. First, the filter screen is easily blocked, which affects the filtration efficiency. Secondly, the filter screen is not easy to clean and cannot meet people's use needs.

Utility model content

The purpose of the utility model is to provide a sample filter device for detecting pesticide residues in agricultural products, which solves the problem that the filter screen of the current filter device is easily blocked and affects the filtration efficiency. Secondly, the filter screen is not easy to clean and cannot meet people's use needs.

The utility model sample filtering device for pesticide residue detection in agricultural products comprises a box body, the top of the box body is provided with a feed pipe, the bottom of the box body is provided with a discharge pipe, the discharge pipe is provided with a valve, and the bottom of the box body is the right High-left-low-style inclined setting, and the discharge pipe is set at the left end of the box body. The box body is equipped with a first-stage filter plate, a second-stage filter plate, and a third-stage filter plate from top to bottom. The apertures of the filter holes on the filter plate and the third-stage filter plate decrease in turn. The middle of the first-stage filter plate, the second-stage filter plate and the third-stage filter plate is installed with a rotating shaft through the bearing. A stirring motor is fixed through the box. The power plug of the stirring motor is connected to the indoor power socket. Connected with a water tank, the pipeline passes through the lower part of the water tank, the top of the water tank is provided with a water injection port, the rotating shaft is provided with an infusion channel, and above the primary filter plate, the secondary filter plate and the tertiary filter plate, a stirring rod is arranged, and the stirring rod is connected with the The rotating shaft is fixed, the rotating shaft is provided with an infusion chamber connected with the infusion channel, the bottom of the stirring rod is vertically provided with a water spray hole 1 connected with the infusion chamber, and the rotating shaft below each stirring rod is provided with a horizontal water spraying hole 2, The bottom of the water spray hole 2 is flush with the top of each filter plate, and there are discharge holes on the side wall of the box above the first filter plate, the second filter plate and the third filter plate, and the discharge pipe is fixed on the outside of the discharge hole , The discharge pipe is inclined to be high inside and low outside, and the discharge pipe is equipped with a valve. The aperture of the water spray hole two is smaller than the aperture of the filter hole on the third-stage filter plate.

The top of the top stirring rod is provided with an inclined water spray hole three, which can clean the top inside of the casing and the upper part of the casing side wall, and the outside of the water spray hole three is higher than the inside.

The rotating shaft is provided with a plurality of water spray holes 4 facing the inner side wall of the box body, which can easily clean the side wall of the box body.

The inner wall of the feeding pipe is staggered and inclined to be provided with blocking plates to prevent the liquid from spraying out when cleaning the box body, and a feeding hopper is fixed on the top of the feeding pipe.

The outer end of the discharge pipe is fixed with a vertical connecting pipe, the bottom of the connecting pipe is fixed with a flexible pipe, a collection bucket is provided under the flexible pipe, a support plate is provided at the bottom of the collection bucket, and the inner end of the support plate and the box body Fixed, the bottom of the support plate is fixed with reinforcing ribs, the other end of the reinforcing ribs is fixed on the leg at the bottom of the box, the top of the support plate is provided with a circular groove, the bottom of the collection bucket is placed in the circular groove, the support plate The top of the right end is provided with a chute connected to the circular groove. The bottom of the chute is higher than the bottom of the circular groove. The hose extends into the collection bucket and is convenient to put into the collection bucket. The circular groove can prevent the collection bucket from tipping over , the chute can be more convenient when raising the collection bucket.

The bottom of the box body is fixed with a mounting plate, and the stirring motor is fixed on the mounting plate.

When in use, turn on the stirring motor, close the valve on the discharge pipe, and close the valve on the discharge pipe. The agricultural product solution enters from the feed hopper, enters the box through the feed pipe, and the solution falls on the primary filter plate and passes through the filter plate. Filtration is carried out, and when filtering, the rotating shaft drives the stirring rod to stir to prevent impurities from settling on the filter plate and cause blockage. The solution falls to the lower part of the box, after filtering, turn off the stirring motor, open the valve on the discharge pipe, and discharge the solution out of the box. When cleaning, you can close the valve on the discharge pipe, open the valve on the discharge pipe, put the collecting bucket from the chute into the circular groove, and then turn on the water pump and the stirring motor, the water pump draws the water in the water tank, and the water from the spray Water spray hole 1, water spray hole 2, water spray hole 3 and water spray hole 4 spray out, water sprayed from water spray hole 3 and water spray hole 4 cleans the side wall and top wall of the box, water spray hole 2 sprays The water that comes out can impact the impurities on the filter plates at all levels, enter the discharge pipe, and be discharged into the collection bucket. The water sprayed from the water spray hole cleans the filter plates at all levels, flushes out the impurities stuck in the filter holes, and after cleaning Turn off the stirring motor and water pump, open the valve on the discharge pipe, and discharge the cleaning wastewater.

Compared with the prior art, the utility model has the advantages of:

By setting three filter plates in the box, the filtration is cleaner, and there is a stirring rod above each filter plate, which can stir the solution to prevent impurities from clogging the filter plate and increase the filtration efficiency. The water spray hole 2 on the rotating shaft can be used to wash the impurities on the filter plate into the discharge pipe and discharge the box, making cleaning more convenient and quick.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the schematic diagram of the enlarged structure of place A in Fig. 1;

Fig. 3 is the enlarged schematic diagram of the structure at B in Fig. 1;

Fig. 4 is the structural representation of support plate;

In the figure: 1. Box body, 2. Stirring rod, 3. Blocking plate, 4. Rotary joint, 5. Primary filter plate, 6. Water pump, 7. Water tank, 8. Discharge pipe, 9. Connecting pipe, 10. Hose, 11, collection bucket, 12, support plate, 13, reinforcing rib, 14, installation plate, 15, stirring motor, 16, rotating shaft, 17, water spray hole four, 18, discharge pipe, 19, three-stage filter Plate, 20, water spray hole two, 21, secondary filter plate, 22, transfusion channel, 23, circular groove, 24, chute, 25, water spray hole three.

Detailed ways

The specific embodiment of the utility model will be described in further detail below with reference to the accompanying drawings.

The sample filtering device for detecting pesticide residues in agricultural products as shown in Figures 1 to 4 comprises a casing 1, the top of the casing 1 is provided with a feed pipe, and the bottom of the casing 1 is provided with a discharge pipe 18, and the inside of the casing 1 is provided with a discharge pipe 18. A first-stage filter plate 5, a second-stage filter plate 21, and a third-stage filter plate 19 are arranged in sequence from top to bottom, and a rotating shaft 16 is installed in the middle of the first-stage filter plate 5, the second-stage filter plate 21, and the third-stage filter plate 19. A stirring motor 15 is fixed through the box body 1 below the bottom of the shaft, a rotary joint 4 is fixed on the top of the rotating shaft 16, the other end of the rotating joint 4 is fixed with a water pump 6 through a pipeline, and the other end of the water pump 6 is connected with a water tank 7 through a pipeline. There is an infusion channel 22, a stirring rod 2 is arranged above the primary filter plate 5, the secondary filter plate 21 and the tertiary filter plate 19, and the stirring rod 2 is fixed to the rotating shaft 16, and the rotating shaft 16 is provided with a connection with the infusion channel 22. Infusion chamber, the bottom of the stirring rod 2 is vertically provided with a water spray hole 1 connected to the infusion chamber, and the rotating shaft 16 below each stirring rod 2 is provided with a horizontal water spray hole 20, a primary filter plate 5, a secondary A discharge hole is arranged on the side wall of the casing 1 above the filter plate 21 and the third-stage filter plate 19, and a discharge pipe 8 is fixed on the outside of the discharge hole, and a valve is provided on the discharge pipe 8.

The top of the top stirring rod 2 is provided with an inclined water spray hole three 25, and the outside of the water spray hole three 25 is higher than the inside.

The rotating shaft 16 is provided with a plurality of water spray holes 17 facing the inner wall of the box body 1 .

The inner wall of the feeding pipe is staggered and inclined to be provided with blocking plates 3, and the top of the feeding pipe is fixed with a feeding hopper.

The outer end of the discharge pipe 8 is fixed with a vertical connecting pipe 9, and the bottom of the connecting pipe 9 is fixed with a flexible pipe 10. A collection bucket 11 is arranged below the flexible pipe 10, and a support plate 12 is provided at the bottom of the collection bucket 11. The support plate The inner end of 12 is fixed with box body 1, and the bottom of support plate 12 is fixed with stiffener 13, and the top of support plate 12 is provided with circular groove 23, and the bottom of collecting bucket 11 is placed in circular groove 23, and support plate 12 The right end top of the top is provided with the chute 24 that communicates with circular groove 23, and the bottom of chute 24 is higher than the bottom of circular groove 23.

A mounting plate 14 is fixed on the bottom of the box body 1 , and a stirring motor 15 is fixed on the mounting plate 14 .

In summary, the utility model provides cleaner filtration by setting three filter plates in the box, and a stirring rod is provided above each filter plate, which can stir the solution to prevent impurities from clogging the filter plate. Increase the filtration efficiency, and when cleaning, you can use the water spray hole 2 on the rotating shaft to wash the impurities on the filter plate into the discharge pipe and discharge the box, making cleaning more convenient and quick.

In the description of the present utility model, the orientation or positional relationship indicated by the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom" etc. are based on the attached The orientation or positional relationship shown in the figure is only for the convenience of describing the utility model and does not require the utility model to be constructed and operated in a specific orientation, so it cannot be construed as a limitation of the utility model.

Claims (6)

1. a kind of Practice for Pesticide Residue in Agricultural Products detection sample filtration device, including cabinet (1), the top of cabinet (1) are equipped with charging The bottom of pipe, cabinet (1) is equipped with discharge nozzle (18), it is characterised in that: is successively arranged by-pass filtration plate from top to bottom in cabinet (1) (5), secondary filtration plate (21) and three-stage filtration plate (19), by-pass filtration plate (5), secondary filtration plate (21) and three-stage filtration plate (19) central rotational is equipped with shaft (16), and the lower section of shaft (16) passes through cabinet (1) and is fixed with stirring motor (15), shaft (16) it is fixed at the top of rotary joint (4), rotary joint (4) other end is fixed with water pump (6) by pipeline, and water pump (6) is another One end is connected with water tank (7) by pipeline, and infusion road (22), by-pass filtration plate (5), secondary filtration plate are equipped in shaft (16) (21) and above three-stage filtration plate (19) it is equipped with stirring rod (2), stirring rod (2) and shaft (16) are fixed, in shaft (16) Equipped with the transfusing chamber being connected to infusion road (22), the bottom of stirring rod (2) is equipped with the hole for water spraying one of connection transfusing chamber vertically, each Horizontal hole for water spraying two (20), by-pass filtration plate (5), secondary filtration plate are equipped in shaft (16) below stirring rod (2) (21) it is equipped with tap on cabinet (1) side wall and above three-stage filtration plate (19), is fixed with discharge pipe on the outside of tap (8), discharge pipe (8) is equipped with valve.

2. Practice for Pesticide Residue in Agricultural Products detection sample filtration device according to claim 1, it is characterised in that: the top The top of stirring rod (2) is equipped with inclined hole for water spraying three (25), and the outside of hole for water spraying three (25) is higher than inside.

3. Practice for Pesticide Residue in Agricultural Products detection sample filtration device according to claim 2, it is characterised in that: the shaft (16) multiple hole for water sprayings four (17) towards cabinet (1) inner sidewall are equipped with.

4. Practice for Pesticide Residue in Agricultural Products detection sample filtration device according to claim 3, it is characterised in that: the charging It is staggeredly provided tiltedly with barrier plate (3) on the inner sidewall of pipe, is fixed with feed hopper at the top of feed pipe.

5. Practice for Pesticide Residue in Agricultural Products detection sample filtration device according to claim 1, it is characterised in that: the discharge The outer end of pipe (8) is fixed with vertical connecting tube (9), and the bottom of connecting tube (9) is fixed with hose (10), the lower section of hose (10) Equipped with collecting vessel (11), the bottom of collecting vessel (11) is equipped with support plate (12), and the inner end and cabinet (1) of support plate (12) are fixed, The bottom of support plate (12) is fixed with reinforcing rib (13), and the top of support plate (12) is equipped with circular groove (23), collecting vessel (11) Bottom is placed in circular groove (23), and the sliding slot (24) of connection circular groove (23) is equipped at the top of the right end of support plate (12), The bottom of sliding slot (24) is higher than the bottom of circular groove (23).

6. Practice for Pesticide Residue in Agricultural Products detection sample filtration device according to claim 1, it is characterised in that: the cabinet (1) bottom is fixed with mounting plate (14), and stirring motor (15) is fixed on mounting plate (14).