CN221038252U - Soil pesticide residue extraction element - Google Patents
Soil pesticide residue extraction element Download PDFInfo
- Publication number
- CN221038252U CN221038252U CN202321677848.9U CN202321677848U CN221038252U CN 221038252 U CN221038252 U CN 221038252U CN 202321677848 U CN202321677848 U CN 202321677848U CN 221038252 U CN221038252 U CN 221038252U
- Authority
- CN
- China
- Prior art keywords
- bottle
- sample bottle
- pesticide residue
- soil
- extraction device
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- 239000002689 soil Substances 0.000 title claims abstract description 40
- 239000000447 pesticide residue Substances 0.000 title claims abstract description 33
- 238000000605 extraction Methods 0.000 title claims abstract description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000009313 farming Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000000926 separation method Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000967 suction filtration Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model belongs to the technical field of pesticide residue detection, and particularly relates to a soil pesticide residue extraction device. The utility model relates to a soil pesticide residue extraction device, which comprises a vacuum pump, a suction filter bottle and a sample bottle, wherein the suction filter bottle is a conical bottle with a branch outlet at the upper part, the vacuum pump is connected with the branch outlet of the suction filter bottle through a conduit, the sample bottle is in a tubular shape with the diameter of the bottom gradually reduced, the bottom surface of the sample bottle is in a net shape, the bottom of the sample bottle is provided with a filter layer, and the top of the sample bottle is provided with a bottle cap. The utility model has simple structure and convenient operation, can simultaneously extract pesticide residues of a plurality of soil samples, and has high extraction efficiency.
Description
Technical Field
The utility model belongs to the technical field of pesticide residue detection, and particularly relates to a soil pesticide residue extraction device.
Background
In agricultural production or related research, the method often involves detecting pesticide residues in soil, extracting the pesticide residues in the soil before detecting the pesticide residues, detecting the pesticide residue content of an extracting solution, further determining the pesticide residue content in the soil, and not directly detecting the soil. Therefore, how to efficiently extract pesticide residues is important to the accuracy of subsequent detection. At present, the method for extracting pesticide residues comprises the steps of soaking soil in an extracting solution to enable pesticide to enter the extracting solution, and then filtering or distilling to separate the soil from the extracting solution.
The Chinese patent No. 216847127U discloses a soil pesticide residue detection and extraction device, which comprises a treatment box, wherein a separation plate, a filter cavity and a collection cavity are arranged in the treatment box, the filter cavity is formed by the separation of the separation plate, a mounting plate is arranged below the separation plate, the separation plate is arranged above the mounting plate, the separation plate and the mounting plate are both rotatably arranged in the treatment box, a filter hole is formed in the separation plate, a water passing hole is formed in the mounting plate, a filter screen is covered on the filter hole, and a stirring device is arranged above the separation plate; be provided with division board, mounting panel and agitating unit in the processing box, utilize agitating unit to stir the soil and the extract of division board top, ensure that pesticide in the soil fully dissolves in the extract, utilize the cooperation of division board and mounting panel simultaneously, realize the filtration to extract and soil in the filter chamber, fully extract.
The extraction device separates the extracting solution by filtration, but the extraction device still has the following problems: firstly, pesticide residues of a plurality of soil samples cannot be extracted at the same time; secondly, after the filter screen filters the soil, part of the soil inevitably remains in the filter screen, and if the soil is not replaced, the next detection is directly carried out, so that the accuracy of a detection result is affected; thirdly, only rely on the rotation of mounting panel for extract throws away from the filtration pore under the effect of centrifugal force, the higher rotational speed of actual need just can realize, therefore higher to the technical requirement of device, greatly improved manufacturing cost.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the soil pesticide residue extraction device which is simple in structure, convenient to operate, capable of simultaneously extracting pesticide residues of a plurality of soil samples and high in extraction efficiency.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model relates to a soil pesticide residue extraction device, which comprises a vacuum pump, a suction filter bottle and a sample bottle, wherein the suction filter bottle is a conical bottle with a branch outlet at the upper part, the vacuum pump is connected with the branch outlet of the suction filter bottle through a conduit, the sample bottle is in a tubular shape with the diameter of the bottom gradually reduced, the bottom surface of the sample bottle is in a net shape, the bottom of the sample bottle is provided with a filter layer, and the top of the sample bottle is provided with a bottle cap.
Preferably, the bottle cap is sleeved with the bottle body of the sample bottle through an annular concave-convex bayonet, a vertical rod is arranged in the middle of the bottle cap, and blades matched with the cross section shape of the bottom of the sample bottle are arranged at the bottom of the vertical rod.
Preferably, the filter layer is arranged on the net-shaped upper side of the bottom surface of the sample bottle.
Preferably, the outside of the sample bottle is provided with a stop block, and is sleeved with a silica gel ring, and the sample bottle is tightly connected with the suction filter bottle through the silica gel ring.
Preferably, the cross section of the bottom of the sample bottle is inverted trapezoid.
Preferably, a plurality of steel balls are arranged in the sample bottle, and the steel balls can be reused.
Preferably, the vacuum pump is provided with a plurality of guide pipes, and suction filter bottles are arranged in corresponding quantity.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The utility model has simple structure and convenient operation, and the utility model only comprises three main parts of a vacuum pump, a suction filter bottle and a sample bottle, and pesticide residues can be extracted only by simple treatment and assembly after the sample is collected;
(2) The utility model has high extraction efficiency, can simultaneously extract pesticide residues of a plurality of soil samples, and can directly replace a new sample bottle after the sample bottle is used, so that the negative influence of residual soil on the next pesticide residue extraction can not be generated, and the accuracy of the extraction detection result is high;
(3) The utility model is portable and occupies small space, is suitable for detection and carrying during the outing.
Drawings
FIG. 1 is a schematic structural diagram of a soil pesticide residue extraction device;
FIG. 2 is a schematic diagram of the structure of the bottle cap;
In the figure: 1. a vacuum pump; 2. a suction filtration bottle; 3. a sample bottle; 4. a branch outlet; 5. a filter layer; 6. a bottle cap; 7. a vertical rod; 8. a blade; 9. a stop block; 10. and a silica gel ring.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1, the soil pesticide residue extraction device comprises a vacuum pump 1, a suction filter bottle 2 and a sample bottle 3, wherein the suction filter bottle 2 is a conical bottle with a branch outlet 4 at the upper part, the vacuum pump 1 is connected with the branch outlet 4 of the suction filter bottle 2 through a conduit, the sample bottle 3 is in a tubular shape with the diameter of the bottom gradually reduced, the bottom surface of the sample bottle 3 is in a net shape, a filter layer 5 is arranged at the bottom of the sample bottle 3, and a bottle cap 6 is arranged at the top.
The bottle cap 6 is sleeved with the bottle body of the sample bottle 3 through an annular concave-convex bayonet, a vertical rod 7 is arranged in the middle of the bottle cap 6, and blades 8 matched with the cross section shape of the bottom of the sample bottle 3 are arranged at the bottom of the vertical rod 7.
The filter layer 5 is arranged on the netlike upper side of the bottom surface of the sample bottle 3.
The outside of the sample bottle 3 is provided with a stop block 9, and is sleeved with a silica gel ring 10, and the sample bottle 3 is tightly connected with the suction filter bottle 2 through the silica gel ring 10.
The cross section of the bottom of the sample bottle 3 is inverted trapezoid.
The sample bottle 3 is internally provided with a plurality of steel balls which can be reused.
The vacuum pump 1 is provided with a plurality of guide pipes, and suction filter bottles 2 are arranged in corresponding quantity.
The working process of the utility model comprises the following steps:
After a collected soil sample is added into the sample bottle 3, a plurality of steel balls and extracting solution are added, a bottle cap 6 is covered, the bottle cap 6 is fastened with an annular concave-convex bayonet of the body of the sample bottle 3 correspondingly, after full oscillation, the sample bottle 3 is sleeved with a silica gel ring 10 to a stop block 9, and then the sample bottle 3 is inserted into the suction filter bottle 2, so that the sample bottle is tightly connected through the silica gel ring 10. The pipe is connected with the vacuum pump 1 and the branch outlet 4 of the suction filter bottle 2, the vacuum pump 1 is opened, the extracting solution in the sample bottle 3 enters the suction filter bottle 2 through the filter layer 5, in the suction filtration process, if the filter layer 5 is blocked by soil, the bottle cap 6 can be rotated, the blades 8 scrape the soil of the filter layer 5, the suction filtration of the extracting solution is facilitated, the extracting solution in the sample bottle 3 is observed to completely enter the suction filter bottle 2, the vacuum pump 1 is closed, and the extraction is finished. Multiple soil samples can be simultaneously extracted, and the sample bottle 3 can be replaced with a new sample bottle 3 after use.
Claims (9)
1. The utility model provides a incomplete extraction element of soil farming which characterized in that: including vacuum pump (1), suction flask (2) and sample bottle (3), suction flask (2) are the erlenmeyer flask that upper portion was equipped with branch export (4), and vacuum pump (1) and branch export (4) of suction flask (2) pass through the pipe connection, and sample bottle (3) are the tubulose that the bottom diameter diminishes gradually, and the bottom surface of sample bottle (3) is netted, and sample bottle (3) bottom is equipped with filter layer (5), and the top is equipped with bottle lid (6).
2. The soil pesticide residue extraction device according to claim 1, wherein: the bottle cap (6) is sleeved with the body of the sample bottle (3) through an annular concave-convex bayonet.
3. The soil pesticide residue extraction device according to claim 1, wherein: the middle part of the bottle cap (6) is provided with a vertical rod (7), and the bottom of the vertical rod (7) is provided with blades (8) matched with the cross section shape of the bottom of the sample bottle (3).
4. The soil pesticide residue extraction device according to claim 1, wherein: the filter layer (5) is arranged on the netlike upper side of the bottom surface of the sample bottle (3).
5. The soil pesticide residue extraction device according to claim 1, wherein: the outer side of the sample bottle (3) is provided with a stop block (9) and is sleeved with a silica gel ring (10).
6. The soil pesticide residue extraction device according to claim 5, wherein: the sample bottle (3) is tightly connected with the suction filter bottle (2) through a silica gel ring (10).
7. The soil pesticide residue extraction device according to claim 1, wherein: the bottom section of the sample bottle (3) is in an inverted trapezoid shape.
8. The soil pesticide residue extraction device according to claim 1, wherein: a plurality of steel balls are arranged in the sample bottle (3).
9. The soil pesticide residue extraction device according to claim 1, wherein: the vacuum pump (1) is provided with a plurality of guide pipes, and suction filter bottles (2) are arranged in corresponding quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321677848.9U CN221038252U (en) | 2023-06-29 | 2023-06-29 | Soil pesticide residue extraction element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321677848.9U CN221038252U (en) | 2023-06-29 | 2023-06-29 | Soil pesticide residue extraction element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221038252U true CN221038252U (en) | 2024-05-28 |
Family
ID=91188026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321677848.9U Active CN221038252U (en) | 2023-06-29 | 2023-06-29 | Soil pesticide residue extraction element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221038252U (en) |
-
2023
- 2023-06-29 CN CN202321677848.9U patent/CN221038252U/en active Active
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