CN217237750U - Detection equipment for cadmium element in grain - Google Patents
Detection equipment for cadmium element in grain Download PDFInfo
- Publication number
- CN217237750U CN217237750U CN202220140141.3U CN202220140141U CN217237750U CN 217237750 U CN217237750 U CN 217237750U CN 202220140141 U CN202220140141 U CN 202220140141U CN 217237750 U CN217237750 U CN 217237750U
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- China
- Prior art keywords
- liquid pipe
- grain
- detection liquid
- sample cell
- detection
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Links
- 238000001514 detection method Methods 0.000 title claims abstract description 91
- 229910052793 cadmium Inorganic materials 0.000 title claims abstract description 30
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 85
- 238000007789 sealing Methods 0.000 claims abstract description 41
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 210000004027 cell Anatomy 0.000 abstract description 23
- 238000005070 sampling Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 5
- 150000001661 cadmium Chemical class 0.000 abstract description 4
- 210000004692 intercellular junction Anatomy 0.000 abstract description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 7
- 239000003086 colorant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a cadmium element check out test set in grain, including the sample cell, the upper and lower both ends of sample cell are open setting, the inboard threaded connection in lower part of sample cell has the detection liquid pipe, and detection liquid pipe is the U-shaped pipe, the last inboard surface mounting who is close to with the sample cell junction of detection liquid pipe has the filter, be provided with the sealing member that is used for sealed filter in the detection liquid pipe, the sealing member passes the sample cell setting and is detecting the inboard of liquid pipe. This cadmium element check out test set in grain, when sampling the selective examination to a small amount of grain, can the cadmium element content of the intraductal grain of rapid survey sample to judge whether grain sample cadmium content exceeds standard, and then whether this batch of grain need further detection of analysis, can detect on the spot when sampling the selective examination, improved work efficiency greatly, alleviateed staff's work burden, resources such as material resources of using manpower sparingly.
Description
Technical Field
The utility model relates to a grain heavy metal detects technical field, specifically is a cadmium element check out test set in grain.
Background
Some of chemical fertilizers and pesticides used in agriculture contain more heavy metal elements such as cadmium and the like, the environmental capacity of soil is relatively low, and the chemical fertilizers and the pesticides containing the heavy metals can accumulate the heavy metals with excessive content when used for a long time in planting, so that agricultural products on the land are polluted, if the agricultural products are eaten, the human body can be injured, and therefore the heavy metals in harvested grains need to be detected.
Most of the existing detection equipment are complex in structure, harvested grains need to be conveyed to a special detection position to be comprehensively detected through complex processes and steps, operation is troublesome when sampling and sampling are carried out on a small amount of grains, working efficiency is low, and rapid detection can not be carried out on the sampled grains, so that whether the cadmium content in the grains exceeds the standard or not is judged. Therefore, the device for detecting cadmium in the grain is provided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome current defect, a cadmium element check out test set in grain is provided, when sampling the selective examination to a small amount of grain, can the intraductal grain of rapid survey sample cadmium element content, thereby judge whether grain sample cadmium content exceeds standard, and then whether this batch of grain of analysis needs further detection, can detect on the spot when sampling the selective examination, the work efficiency is greatly improved, staff's work burden has been alleviateed, resources such as manpower and materials are saved, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cadmium element check out test set in grain, includes the sample cell, the upper and lower both ends of sample cell are open setting, the inboard threaded connection in lower part of sample cell has the detection liquid pipe, and the detection liquid pipe is the U-shaped pipe, the inboard surface mounting who is close to with the sample cell junction on the detection liquid pipe has the filter, be provided with the sealing member that is used for sealed filter in the detection liquid pipe, the sealing member passes the sample cell setting in the inboard that detects the liquid pipe.
As a preferred technical scheme of the utility model, the inboard surface of detection liquid pipe is close to filter lower part department and fixedly is provided with the active carbon piece.
As the utility model discloses a preferred technical scheme, the one end fixed surface who keeps away from the filter on the detection liquid pipe is provided with the mounting panel, and the porous test paper groove of bar has been seted up to the upper surface of mounting panel.
As a preferred technical scheme of the utility model, the sealing member includes threaded connection and detects double-screw bolt I of liquid intraductal side surface, and the lower fixed surface of double-screw bolt I is provided with sealing plug I, and sealing plug I closely laminates with the upper surface of filter when screwing up double-screw bolt I, the upper fixed surface of double-screw bolt I is provided with connecting rod I.
As an optimized technical scheme of the utility model, the fixed handle that rotates that is provided with in top of connecting rod I rotates the handle and sets up to hexagonal prism shape.
As an optimized technical scheme of the utility model, the top outside surface threaded connection of sample cell has lid I.
As an optimized technical scheme of the utility model, the sample cell is the inverted frustum form of narrow down wide from top to bottom.
As an optimized technical scheme of the utility model, it is less than 5 mm's transparent palm board to detect the liquid pipe.
As a preferred technical scheme of the utility model, the sealing member includes double-screw bolt II of threaded connection at the intraductal side surface of detection liquid, the lower fixed surface of double-screw bolt II is provided with sealing plug II, sealing plug II closely laminates with the upper surface of filter when screwing up double-screw bolt II, the last fixed surface of double-screw bolt II is provided with connecting rod II, the fixed lid II that is provided with in top of connecting rod II, double-screw bolt II twists the outside of II simultaneous threaded connection of lid to the sample cell when detecting liquid intraductal side, the upper surface of lid II is provided with the feed liquor pipe, feed liquor pipe internally mounted has the check valve.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this cadmium element check out test set in grain, when sampling the selective examination to a small amount of grain, can the cadmium element content of the intraductal grain of rapid survey sample to judge whether grain sample cadmium content exceeds standard, and then whether this batch of grain need further detection of analysis, can detect on the spot when sampling the selective examination, improved work efficiency greatly, alleviateed staff's work burden, resources such as material resources of using manpower sparingly.
2. This cadmium element check out test set in grain, the sample cell is arranged in placing the grain sample of sampling, the sample cell with detect liquid pipe threaded connection back, and through the sealed good detection liquid pipe of sealing member, pour into the detection liquid in the sample cell, wait to detect and take off the sealing member after liquid and the grain sample mix, make the detection liquid get into and detect the liquid pipe, then pass through the content of cadmium element in the detection test paper detection solution from the other end that detects the liquid pipe, and easy operation, high durability and convenient use, be applicable to the on-the-spot detection when sampling the spot check to a small amount of grain, can detect the cadmium element content in the grain sample fast, and the work efficiency is greatly improved.
3. According to the detection equipment for cadmium element in grain, the activated carbon blocks arranged in the detection liquid pipe are used for adsorbing grain impurities entering the detection liquid pipe through the filter plates and adsorbing other colors in the detection liquid so as to avoid the influence on the detection of the test paper, and the detection accuracy is improved.
4. This cadmium element check out test set in grain, the test paper of detection usefulness can insert in the detection liquid pipe through the test paper groove on the mounting panel and contact with detection liquid and accomplish the detection, also can just insert the unified packing of test paper in the test paper groove in advance, and convenient and fast more when detecting further improves work efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the liquid detection tube of the present invention;
FIG. 3 is a schematic structural view of the sealed sample tube of the present invention;
fig. 4 is a schematic view of the internal structure of the detection liquid tube of the present invention;
fig. 5 is a schematic structural view of the cover body of the present invention;
FIG. 6 is a schematic structural view of the sealing member of the present invention;
fig. 7 is a schematic structural diagram of another embodiment of the present invention;
fig. 8 is a schematic partial structure view of fig. 7 according to the present invention.
In the figure: the device comprises a sample tube 1, a detection liquid tube 2, a filter plate 21, an activated carbon block 22, a mounting plate 3, a test paper groove 4, a cover body I5, a sealing element 6, a stud I61, a sealing plug I62, a connecting rod I63, a rotating handle 64, a stud II 65, a sealing plug II 66, a connecting rod II 67, a cover body II 7 and a liquid inlet tube 71.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a detection device for cadmium element in grain comprises a sample tube 1, wherein the upper end and the lower end of the sample tube 1 are both open, an upper opening of the sample tube 1 is used for pouring a grain sample, an inner thread is arranged on the inner side of a lower opening of the sample tube 1 and is used for connecting a detection liquid tube 2, the inner side of the lower part of the sample tube 1 is in threaded connection with the detection liquid tube 2, the detection liquid tube 2 is a U-shaped tube, a filter plate 21 is arranged on the inner side surface of the detection liquid tube 2 close to the joint with the sample tube 1 and is used for preventing the grain sample from entering the detection liquid tube 2 when the detection liquid enters the detection liquid tube 2, a sealing element 6 used for sealing the filter plate 21 is arranged in the detection liquid tube 2, the sealing element 6 penetrates through the sample tube 1 and is arranged on the inner side of the detection liquid tube 2, the sample tube 1 is used for placing the grain sample to be sampled when the grain sample is detected, the sample tube 1 is in threaded connection with the detection liquid tube 2, and the detection liquid tube 2 is sealed by the sealing element 6, the detection liquid is poured into the sample tube 1, the sealing piece 6 is taken down after the detection liquid is mixed with the grain sample, the detection liquid enters the detection liquid tube 2, and then the content of cadmium in the solution is detected from the other end of the detection liquid tube 2 through the detection test paper.
When sampling spot check is performed on a small amount of grains, the cadmium content of the grains in the sample tube 1 can be rapidly measured, so that whether the cadmium content of the grain sample exceeds the standard or not is judged, whether the grain batch needs further detection or not is analyzed, the on-site detection can be performed during sampling spot check, the working efficiency is greatly improved, the workload of workers is reduced, and resources such as manpower and material resources are saved.
Preferably, the inside surface of detection liquid pipe 2 is close to filter 21 lower part department and is fixed to be provided with activated carbon block 22, and activated carbon block 22 that sets up in detecting liquid pipe 2 is used for adsorbing the grain impurity that enters into in detecting liquid pipe 2 through filter 21 to and adsorb other colours in the detection liquid and cause the influence in order to avoid the detection to the test paper, improved detection accuracy.
Preferably, the one end fixed surface who keeps away from filter 21 on the detection liquid pipe 2 is provided with mounting panel 3, and the test paper groove 4 of bar poroid is seted up to mounting panel 3's upper surface, and the test paper of detection usefulness can insert in the detection liquid pipe 2 through the test paper groove 4 on mounting panel 3 and accomplish the detection with the contact of detection liquid, also can just insert the unified packing of test paper in test paper groove 4 in advance, and convenient and fast more when detecting further improves work efficiency.
Preferably, the sealing member 6 includes stud I61 of threaded connection at the surface of the inner side of the detection liquid pipe 2, the lower fixed surface of stud I61 is provided with sealing plug I62, the sealing plug I62 is closely attached to the upper surface of the filter plate 21 when the stud I61 is screwed down, the upper fixed surface of stud I61 is provided with connecting rod I63, the stud I61 can be rotated from the sample pipe 1 through the connecting rod I63, so that the sealing plug I62 blocks the filter plate 21 or is separated from the filter plate 21, and the detection liquid flows into the detection liquid pipe 2 from the sample pipe 1.
Preferably, a rotating handle 64 is fixedly arranged at the top end of the connecting rod I63, and the rotating handle 64 is in a hexagonal prism shape, so that the screw I61 can be rotated through the connecting rod I63 more conveniently and rapidly.
Preferably, sample cell 1's top outside surface threaded connection has lid I5, can put into grain sample in sample cell 1 and detect sealed sample cell 1 behind the liquid, then rocks sample cell 1 and accelerates the mixture that detects liquid and grain to accelerate detection speed, further improve work efficiency.
Preferably, the sample tube 1 is in a shape of an inverted circular truncated cone with a wide upper part and a narrow lower part, and in the process of taking out the sealing element 6 and lifting upwards, the detection liquid can quickly flow into the detection liquid tube 2 from a larger and larger gap between the sealing element 6 and the inner wall of the sample tube 1, and the content of cadmium element in the detection liquid tube 2 can be detected by the liquid in the detection liquid tube 2 without completely taking out the grain sample.
Preferably, the detection liquid pipe 2 is a transparent pamr plate with the thickness of less than 5mm, so that observation is convenient, and the pamr plate with the preferred model of PASMO-GX/M is manufactured, so that the detection liquid pipe has good physical properties, and the service life of the detection liquid pipe 2 can be effectively prolonged.
Referring to fig. 7-8, another embodiment of the present invention is substantially the same as the previous embodiment except that:
This embodiment is through making sealing member 6 and lid II 7 be connected mode as an organic whole, after putting into double-screw bolt II 65 in detecting liquid pipe 2, pour into in the space between lid II 7 and the sample cell 1 grain sample afterwards from this moment, rotate lid II 7 again, make double-screw bolt II 65 drive sealing plug II 66 twist in detecting liquid pipe 2, sealed filter 21 department, lid II 7 seals sample cell 1 simultaneously, then let in through feed liquor pipe 71 detect the liquid can, replace in the former embodiment lid, the mode that the sealing member separated and sets up, make its structure more exquisite reasonable, it is more convenient to operate.
The detection solution and the test paper in the embodiment are both in the prior art, and the heavy metal cadmium detection test paper strip and the detection solution matched with the heavy metal cadmium detection test paper strip in the prior art are adopted.
The non-disclosed part of the utility model is the prior art, and the specific structure, material and working principle are not detailed. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a cadmium element check out test set in grain, includes sample cell (1), its characterized in that: the upper and lower both ends of sample cell (1) are open setting, the inboard threaded connection in lower part of sample cell (1) has detection liquid pipe (2), detects liquid pipe (2) and is the U-shaped pipe, the inboard surface mounting who is close to with sample cell (1) junction on detection liquid pipe (2) has filter (21), be provided with sealing member (6) that are used for sealed filter (21) in detection liquid pipe (2), sealing member (6) pass sample cell (1) and set up the inboard at detection liquid pipe (2).
2. The apparatus of claim 1, wherein the apparatus comprises: and an active carbon block (22) is fixedly arranged on the inner side surface of the detection liquid pipe (2) close to the lower part of the filter plate (21).
3. The apparatus of claim 1, wherein the apparatus comprises: the one end fixed surface who keeps away from filter (21) on detection liquid pipe (2) is provided with mounting panel (3), and strip poroid test paper groove (4) have been seted up to the upper surface of mounting panel (3).
4. The apparatus of claim 1, wherein the apparatus comprises: sealing member (6) are including threaded connection stud I (61) at detection liquid pipe (2) inboard surface, and the lower fixed surface of stud I (61) is provided with sealing plug I (62), and sealing plug I (62) closely laminates with the upper surface of filter (21) when screwing up stud I (61), the fixed surface of stud I (61) is provided with connecting rod I (63).
5. The apparatus of claim 4, wherein the apparatus comprises: the top end of the connecting rod I (63) is fixedly provided with a rotating handle (64), and the rotating handle (64) is hexagonal prism-shaped.
6. The apparatus of claim 1, wherein the apparatus comprises: the outer side surface of the top end of the sample tube (1) is in threaded connection with a cover body I (5).
7. The apparatus of claim 1, wherein the apparatus comprises: the sample tube (1) is in an inverted frustum shape with a wide upper part and a narrow lower part.
8. The apparatus of claim 1, wherein the apparatus comprises: the detection liquid pipe (2) is a transparent paml plate with the thickness less than 5 mm.
9. The apparatus of claim 1, wherein the apparatus comprises: sealing member (6) are including threaded connection at double-screw bolt II (65) of detecting liquid pipe (2) inboard surface, the fixed surface of double-screw bolt II (65) is provided with sealing plug II (66), double-screw bolt II (65) are closely laminated with the upper surface of filter (21) when screwing up sealing plug II (66), the fixed surface of double-screw bolt II (65) is provided with connecting rod II (67), the fixed lid II (7) that is provided with in top of connecting rod II (67), lid II (7) threaded connection is simultaneously in the outside of sample cell (1) when double-screw bolt II (65) are twisted into and are detected liquid pipe (2) inboard, the upper surface of lid II (7) is provided with feed liquor pipe (71), feed liquor pipe (71) internally mounted has the check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220140141.3U CN217237750U (en) | 2022-01-19 | 2022-01-19 | Detection equipment for cadmium element in grain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220140141.3U CN217237750U (en) | 2022-01-19 | 2022-01-19 | Detection equipment for cadmium element in grain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217237750U true CN217237750U (en) | 2022-08-19 |
Family
ID=82832171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220140141.3U Expired - Fee Related CN217237750U (en) | 2022-01-19 | 2022-01-19 | Detection equipment for cadmium element in grain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217237750U (en) |
-
2022
- 2022-01-19 CN CN202220140141.3U patent/CN217237750U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220819 |