CN210720279U - Device for measuring heavy metal content in food - Google Patents
Device for measuring heavy metal content in food Download PDFInfo
- Publication number
- CN210720279U CN210720279U CN201920571691.9U CN201920571691U CN210720279U CN 210720279 U CN210720279 U CN 210720279U CN 201920571691 U CN201920571691 U CN 201920571691U CN 210720279 U CN210720279 U CN 210720279U
- Authority
- CN
- China
- Prior art keywords
- box
- heavy metal
- air
- content
- measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 19
- 235000013305 food Nutrition 0.000 title claims abstract description 18
- 238000003860 storage Methods 0.000 claims abstract description 19
- 239000010865 sewage Substances 0.000 claims description 19
- 238000005485 electric heating Methods 0.000 claims description 13
- 238000009826 distribution Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 4
- 238000009413 insulation Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 238000012360 testing method Methods 0.000 abstract description 9
- 239000000523 sample Substances 0.000 description 21
- 239000007788 liquid Substances 0.000 description 12
- 238000001514 detection method Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 239000012488 sample solution Substances 0.000 description 3
- 238000007605 air drying Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000002336 sorption--desorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a device for measuring the content of heavy metal in food, which comprises a box body, wherein a sample storage device, a high-pressure pump, a sample injector, a chromatographic column, a detector and a blow-off pipe which are connected in sequence are arranged in the box body, and the sample storage device comprises a tank body and an openable top cover; the box is internally provided with an air pump, the air pump is connected with an air inlet pipe and an air delivery hose, the air inlet pipe is communicated with the outside of the box, and the air outlet end of the air delivery hose is arranged on the top cover and communicated with the inner cavity of the sample storage device. The utility model discloses after adopting the clear water to wash, utilize the air to carry out the secondary and wash, will remain water stain discharge and weather, can carry out the test of next sample fast, avoid remaining water stain influence testing result.
Description
Technical Field
The utility model belongs to the technical field of food safety monitoring, especially, a device that is arranged in food heavy metal content to survey.
Background
Heavy metals are substances harmful to human health, and therefore, the content of heavy metals in foods must be controlled within a prescribed range. At present, the determination of the content of heavy metals in food is generally carried out by using a liquid chromatograph (HPLC), which generally comprises a liquid reservoir, a pump, a sample injector, a chromatographic column, a detector, a recorder and the like. The mobile phase in the liquid storage device is pumped into the system by a high pressure pump, the sample solution enters the mobile phase through the sample injector and is loaded into a chromatographic column (stationary phase) by the mobile phase, and because each component in the sample solution has different distribution coefficients in two phases, when the two phases do relative motion, through repeated adsorption-desorption distribution processes, each component generates a large difference in moving speed, is separated into single components and sequentially flows out of the column, when the sample solution passes through the detector, the concentration of the sample is converted into an electric signal and is transmitted to a recorder, and data is printed in a map form.
Every do the monitoring once after, all need clean liquid chromatograph, then test other samples again, during the washing, need adopt and wash water to wash, nevertheless wash water and can remain inside liquid chromatograph, dilute the sample of next measurement, influence heavy metal content's testing result.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device for heavy metal content survey in food, it is remained not to have water stain after wasing, can carry out next detection at once, avoids causing the influence to the testing result.
The purpose of the utility model is realized like this: a device for measuring the content of heavy metal in food comprises a box body, wherein a sample storage device, a high-pressure pump, a sample injector, a chromatographic column, a detector and a drain pipe which are connected in sequence are arranged in the box body,
the sample storage device comprises a tank body and an openable top cover;
the box is internally provided with an air pump, the air pump is connected with an air inlet pipe and an air delivery hose, the air inlet pipe is communicated with the outside of the box, and the air outlet end of the air delivery hose is arranged on the top cover and communicated with the inner cavity of the sample storage device.
Further, an electric heating box is arranged on the gas transmission hose, and an electric heating wire is arranged in the electric heating box.
Further, the inner wall of the electric heating box is provided with a heat preservation layer.
Furthermore, a distribution valve is arranged in the center of the top cover, the distribution valve is provided with an inlet and a plurality of outlets, the inlet is positioned outside the top cover and connected with the air hose, and the side wall faces the tank body.
Furthermore, one side of the top cover is hinged with the tank body, and the other end of the top cover is connected with the tank body through a buckle.
Further, the lower surface of the top cover is provided with an elastic sealing gasket.
Further, the blow off pipe is connected with an album dirty case, the top of album dirty case is provided with the gas vent, and the bottom is provided with the drain, be provided with the detachable end cap in the drain, the blow off pipe stretches into the bottom of album dirty case.
The utility model has the advantages that: the utility model discloses after adopting the clear water to wash, utilize the air to carry out the secondary and wash, will remain water stain discharge and weather, can carry out the test of next sample fast, avoid remaining water stain influence testing result.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in figure 1, the utility model discloses a device for heavy metal content survey in food, the power distribution box comprises a box body 1, be provided with sample storage ware 2, high-pressure pump 3, sample injection ware 4, chromatographic column 5, detector 6 and the blow off pipe 7 that connects gradually in the box 1, prior art is all adopted in the setting of high-pressure pump 3, sample injection ware 4, chromatographic column 5, detector 6 and blow off pipe 7.
The sample storage device 2 comprises a tank body 21 and an openable top cover 22; the tank 21 may have a cylindrical or rectangular parallelepiped shape for storing a sample liquid to be detected. During the use, the oral area of jar body 21 remains uncovered, becomes sample liquid with food sampling and preparation, packs sample liquid into storage ware 2, and high-pressure pump 3 carries sample liquid to injector 4, and sample liquid passes through chromatographic column 5 behind the injector 4 again, detects by detector 6 at last, obtains the heavy metal map, and the sample liquid after the detection passes through blow off pipe 7 and discharges.
The gas storage device is characterized in that an air pump 8 is arranged in the box body 1, the air pump 8 is connected with an air inlet pipe 9 and an air hose 10, the air inlet pipe 9 is communicated with the outside of the box body 1, and an air outlet end of the air hose 10 is arranged on the top cover 22 and communicated with an inner cavity of the sample storage device 2. Accomplish the once-through test back, pack into storage appearance ware 2 with the clear water, start high-pressure pump 3, utilize the clear water to wash this device, close high-pressure pump 3 after the washing is accomplished, utilize top cap 22 to seal the oral area of jar body 21, start air pump 8, air pump 8 is used for inhaling intake pipe 9 with external air, the air once gets into storage appearance ware 2 behind intake pipe 9 and the gas transmission hose 10, high-pressure pump 3, injector 4, chromatographic column 5 and detector 6, air-dry above-mentioned part, avoid water stain to remain and influence next testing result. The air hose 10 may be a flexible pipe such as a rubber hose, and may be bent to prevent the opening and closing of the top cover 22 from being affected.
An electric heating box 11 is arranged on the gas transmission hose 10, and an electric heating wire 12 is arranged in the electric heating box 11. The heating wire 12 is electrified to generate heat, and the cold air is heated into hot air, so that the air drying efficiency can be improved.
The inner wall of the electric heating box 11 is provided with a heat preservation layer 13, which plays a role in heat preservation and reduces the energy consumption of the electric heating wire 12. The heat-insulating layer 13 can be made of conventional heat-insulating materials such as sponge and glass wool.
A distribution valve 23 is arranged at the center of the top cover 22, the distribution valve 23 is provided with an inlet and a plurality of outlets, the inlet is positioned outside the top cover 22 and connected with the air hose 10, and the side wall faces the tank body 21. A plurality of exports are circumference form evenly distributed, and the air gets into distributing valve 23 through the import, then spouts simultaneously from a plurality of exports after dividing into many, carries out more comprehensive air-dry to the inner wall of storage ware 2.
The top cover 22 can adopt the existing installation structure of various covers, preferably, one side of the top cover 22 is hinged with the tank body 21, the other end of the top cover is connected with the tank body 21 through a buckle, the buckle adopts the existing structure, and the operation is convenient.
The lower surface of the top cover 22 is provided with an elastic sealing gasket 24, and the elastic sealing gasket 24 can be a rubber gasket or the like, so that the sealing effect is achieved, and air leakage during air drying is prevented.
The sewage discharge pipe 7 is connected with a sewage collection tank 14, the top of the sewage collection tank 14 is provided with an exhaust port 15, the bottom of the sewage collection tank 14 is provided with a sewage discharge port 16, a detachable plug is arranged in the sewage discharge port 16, and the sewage discharge pipe 7 extends into the bottom of the sewage collection tank 14. The sample liquid and the cleaning water after detection can be introduced into the dirt collection tank 14 for storage, after the air carrying water stains enters the dirt collection tank 14, the water remains in the dirt collection tank 14, and the air is discharged from the exhaust port 15. When the sewage in the sewage collection tank 14 is nearly full, the plug is pulled out, and the sewage is discharged.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a device for heavy metal content survey in food, includes box (1), be provided with in box (1) storage appearance ware (2), high-pressure pump (3), sample injector (4), chromatographic column (5), detector (6) and blow off pipe (7) that connect gradually, its characterized in that:
the sample storage device (2) comprises a tank body (21) and an openable top cover (22);
be provided with air pump (8) in box (1), air pump (8) are connected with intake pipe (9) and gas transmission hose (10), intake pipe (9) are linked together with the external world of box (1), the end of giving vent to anger of gas transmission hose (10) sets up on top cap (22) and communicates with each other with storage appearance ware (2) inner chamber.
2. The device for measuring the content of the heavy metal in the food according to claim 1, wherein: an electric heating box (11) is arranged on the gas transmission hose (10), and an electric heating wire (12) is arranged in the electric heating box (11).
3. The device for measuring the content of the heavy metal in the food according to claim 2, wherein: and a heat insulation layer (13) is arranged on the inner wall of the electric heating box (11).
4. The device for measuring the content of the heavy metal in the food according to claim 1, wherein: the center of top cap (22) is provided with distribution valve (23), distribution valve (23) are provided with an import and a plurality of export, the import is located top cap (22) outside and links to each other with gas transmission hose (10), the export is towards the lateral wall of jar body (21).
5. The device for measuring the content of the heavy metal in the food according to claim 1, wherein: one side of the top cover (22) is hinged with the tank body (21), and the other end of the top cover is connected with the tank body (21) through a buckle.
6. The device for measuring the content of the heavy metal in the food according to claim 1, wherein: the lower surface of the top cover (22) is provided with an elastic sealing gasket (24).
7. The device for measuring the content of the heavy metal in the food according to claim 1, wherein: the sewage discharging pipe (7) is connected with a sewage collecting box (14), an exhaust port (15) is arranged at the top of the sewage collecting box (14), a sewage discharging port (16) is arranged at the bottom of the sewage collecting box (14), a detachable plug is arranged in the sewage discharging port (16), and the sewage discharging pipe (7) stretches into the bottom of the sewage collecting box (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920571691.9U CN210720279U (en) | 2019-04-24 | 2019-04-24 | Device for measuring heavy metal content in food |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920571691.9U CN210720279U (en) | 2019-04-24 | 2019-04-24 | Device for measuring heavy metal content in food |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210720279U true CN210720279U (en) | 2020-06-09 |
Family
ID=70963979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920571691.9U Expired - Fee Related CN210720279U (en) | 2019-04-24 | 2019-04-24 | Device for measuring heavy metal content in food |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210720279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638290A (en) * | 2020-06-15 | 2020-09-08 | 广东五研检测技术有限公司 | Heavy metal content detection method |
-
2019
- 2019-04-24 CN CN201920571691.9U patent/CN210720279U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638290A (en) * | 2020-06-15 | 2020-09-08 | 广东五研检测技术有限公司 | Heavy metal content detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206161631U (en) | A atmosphere collection system for environment measuring | |
| CN206382286U (en) | Wafer cleaning machine | |
| CN106558352A (en) | A kind of tapered drying device of nuclear power station spent resin | |
| CN210720279U (en) | Device for measuring heavy metal content in food | |
| CN109425505A (en) | A kind of municipal sewage detection sampler and its method | |
| CN201852720U (en) | Closed liquid sampler | |
| CN109386729A (en) | A kind of pearlife fill system and its fill method | |
| CN105149306A (en) | Cleaning method and device of explosion suppression oil tank | |
| CN209728106U (en) | Composite insulator boiling and interface performance detection device | |
| CN202762700U (en) | Tank cleaning device of filling machine | |
| CN208604107U (en) | One kind being used for laboratory simulation garbage loading embeading installation for fermenting | |
| CN202558602U (en) | Oxygen-free filling machine | |
| CN215218198U (en) | Sea area water quality fixed point monitoring recoverer | |
| CN202028509U (en) | Vacuum paint-dipping machine | |
| CN207631854U (en) | Improve the vacuum paint-dipping dryer group of storage paint component | |
| CN209821060U (en) | Food synthetic pigment detection device | |
| CN207307320U (en) | Impurity degree filtration apparatus | |
| CN217424896U (en) | Sampling tube assembly for efficiently detecting oil gas in particulate matters | |
| CN207094724U (en) | Integral water system is cleaned in integrated kitchen range | |
| CN216870536U (en) | Environment-friendly waste water treatment detection device | |
| CN208493396U (en) | A kind of senior middle school's natural sciences chemical experiment filter device | |
| CN207318278U (en) | A kind of coal device for detecting water content | |
| CN206710615U (en) | Online fluid radiation monitor for nuclear power station | |
| CN206857405U (en) | One kind is easy to cleaning type preparing tank | |
| CN206431106U (en) | A kind of kjeldahl apparatus condenser is antifreeze and cleaning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 Termination date: 20210424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |