CN203838060U - Automatic device for detecting and enriching heavy metals by virtue of portable raman spectrometer - Google Patents
Automatic device for detecting and enriching heavy metals by virtue of portable raman spectrometer Download PDFInfo
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- CN203838060U CN203838060U CN201320868910.2U CN201320868910U CN203838060U CN 203838060 U CN203838060 U CN 203838060U CN 201320868910 U CN201320868910 U CN 201320868910U CN 203838060 U CN203838060 U CN 203838060U
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- enriching
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- enriching column
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- column
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Abstract
The utility model discloses an automatic device for detecting and enriching heavy metals by virtue of a portable raman spectrometer. By virtue of the device, a light beam window of the portable raman spectrometer is attached close to the surface of an enriching column, wherein the enriching column is sleeved in a fixing part; a peristaltic pump is used for circulating a sample solution, a spraying solution and an eluting solution; a change valve is arranged in a circulation pipeline and used for performing the processes of switching solution flow paths and sampling the column, spraying, eluting and collecting and the like; the sample solution is added into the enriching column at a constant speed and enriched; the portable raman spectrometer is capable of directly performing raman scanning on the enriching column and collecting spectrum. The device is capable of enriching in a circulation mode, improving the recovery rate of heavy metal ions and the repeated utilization rate of resin, enriching the samples and performing raman scanning on the samples; the device is simple to operate, high in accuracy and small in pollution.
Description
Technical field
The utility model relates to the enriching apparatus of a heavy metal species, relates to the enriching apparatus of the portable Raman detection heavy metal of a kind of robotization.
Background technology
In the analysis of trace or trace element, before mensuration, by component to be measured and Matrix separation in addition enrichment, be to get rid of the important means of disturbing, reducing detection limit, improve analysis precision.But traditional separation and concentration means exist, and complex operation, time are long, reagent consumption greatly, often with defects such as pollutions, restricted their application.
At present, micro-column flow injection ON-LINE SEPARATION enrichment system and coupling technique thereof have overcome above defect to a great extent, have been widely used in the mensuration of metallic element.Existing enriching apparatus adopts peristaltic pump only can realize the switching of sample introduction, two states of wash-out, enrichment is imperfect, above defect inventor solves by applying for a patent, its application number is 2013104276444, but in enrichment process, time is longer, wastes time, and therefore inventor is further perfect to this enriching apparatus.
Summary of the invention
The utility model provides the enriching apparatus of the portable Raman detection heavy metal of a kind of robotization, can realize automatic cycle enrichment, improves the recovery of heavy metal and the recycling rate of waterused of resin, enrichment and the Raman detection of complete paired samples simultaneously, easy and simple to handle, accuracy is high, low pollution.
For achieving the above object the utility model by the following technical solutions:
The utility model provides the enriching apparatus of the portable Raman detection heavy metal of a kind of robotization, comprises solution tank, seal box, Portable Raman spectrometer, enriching column fixture, enriching column, stopcock, reversal valve, peristaltic pump, pump (one), pump (two), pump (three), treating apparatus, the light beam window that it is characterized in that Portable Raman spectrometer is close to enriching column surface, enriching column is set in enriching column fixture, the below of enriching column fixture is provided with solution tank, solution tank connects peristaltic pump by pipeline, and peristaltic pump connects reversal valve, and reversal valve connects enriching column by pipeline, the junction of enriching column and pipeline is provided with stopcock, and the top of described enriching column is connected with respectively sample solution pipeline, eluent pipeline and leacheate pipeline, described enriching column is placed in seal box, and described eluent pipeline is connected pump () by flexible pipe respectively with leacheate pipeline, (2), described sample solution device for cleaning pipeline is crossed flexible pipe and is connected pump (three), pump (three) connects treating apparatus, described pump (three) be fixed on longitudinal rail by longitudinal mobile motor, longitudinal rail is fixed on cross slide way by transverse mobile motor, under cross slide way, be evenly placed with several sample solution bottles, described longitudinal mobile motor, transverse mobile motor, pump (one), (2), (3), Portable Raman spectrometer, peristaltic pump, stopcock is connected respectively treating apparatus with reversal valve.The light beam window of Portable Raman spectrometer is close to enriching column surface by this device, and enriching column is set in fixture, and peristaltic pump is for the circulation of sample solution, leacheate, eluent.Reversal valve is set in circulation line, realizes the switching of solution stream, enriching column sample introduction, drip washing, wash-out, collecting processes.Sample solution carries out enrichment add enriching column under constant speed in, and Portable Raman spectrometer can directly carry out Raman, spectra collection to enriching column.
In this device, the pump speed of every peristaltic pump is adjustable continuously, and by the adjusting of pump speed and the change of pump line, flow velocity can be selected within the scope of 1.0-10 ml/min.
Technique effect of the present utility model is: this device has been realized circulation enrichment, improve the recovery of heavy metal ion and the recycling rate of waterused of resin, enrichment and the Raman detection of complete paired samples simultaneously, easy and simple to handle, accuracy is high, pollutes littlely, and adopts robotization control, efficient quick, on duty without staff.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is Raman spectrogram of the present utility model;
Fig. 3 is the predicted value of copper content validation-cross and the correlationship figure of actual value;
Fig. 4 is the predicted value of copper content internal verification and the correlationship figure of actual value.
Fig. 5 is the utility model automatic structure figure.
Fig. 6 is the utility model robotization control principle drawing.
Solution tank 2, seal box 3, Portable Raman spectrometer 4, enriching column fixture 5, enriching column 6, stopcock 7, reversal valve 8, peristaltic pump, 9, pump () 10, pump (two) 11, pump (three) 12, longitudinal mobile motor 13, longitudinal rail 14, transverse mobile motor 15, cross slide way 16, sample solution bottle 17, treating apparatus in the drawings, 1.
Embodiment
Below in conjunction with accompanying drawing 1,2,3,4,5,6 and example, this device is described further.
A kind of enriching apparatus of portable Raman detection heavy metal, comprise solution tank 1, seal box 2, Portable Raman spectrometer 3, enriching column fixture 4, enriching column 5, stopcock 6, reversal valve 7, peristaltic pump 8, the light beam window that it is characterized in that Portable Raman spectrometer is close to enriching column surface, enriching column is set in enriching column fixture, the below of enriching column fixture 4 is provided with solution tank 1, solution tank 1 connects peristaltic pump 8 by pipeline, peristaltic pump 8 connects reversal valve 7, reversal valve connects enriching column by pipeline, the junction of enriching column and pipeline is provided with stopcock 6, the top of described enriching column 5 is connected with respectively sample solution pipeline, eluent pipeline and leacheate pipeline, described enriching column is placed in seal box 2.Described eluent pipeline is connected pump () 9 by flexible pipe respectively with leacheate pipeline, (2) 10, described sample solution device for cleaning pipeline is crossed flexible pipe and is connected pump (three) 11, pump (three) 11 connects treating apparatus 17, described pump (three) 11 is fixed on longitudinal rail 13 by longitudinal mobile motor 12, longitudinal rail 13 is fixed on cross slide way 15 by transverse mobile motor 14, under cross slide way 15, be evenly placed with several sample solution bottles 16, described longitudinal mobile motor 12, transverse mobile motor 14, pump (one) 9, (2) 10, (3) 11, Portable Raman spectrometer 3, peristaltic pump 8, stopcock 6 is connected respectively treating apparatus 17 with reversal valve 7.
Pack after pretreatment chelating resin D401 in a homogeneous glass column (internal diameter 10mm), glass column bottom is pore glass fibre, in order to prevent that resin from flowing out with solution, simultaneously under ultrasonic oscillator effect by glass column in resin distribution evenly closely knit, top covers with pore glass fibre again, then enriching column is fixed in the enriching column groove before spectrometer probe.
With 5 parts of concentration ranges of 1g/L copper standard solution (Cu) dilution preparation be 0.00,1. 00,5.00,10.00,15.00,20.00,30.00 the each 100mL of sample solution, gets the 50.00mL solution enriching apparatus being fixed on Raman spectrometer and carries out enrichment.
Sample copper solution is through peristaltic pump repeatedly circulation in enriching column, Raman spectrometer gathered a Raman spectrum every 1 minute to enriching column simultaneously, on the basis of previous experiments model, predict content of beary metal in enriching column, when the difference of predicted value that detects gained for adjacent twice is in allowed limits time, valve changes and passes to waste liquid exit, through peristaltic pump, the sample waste liquid in device is discharged.Raman spectrometer is Portable Raman spectrometer, and spectral range is 90 ~ 3500cm
-1, resolution is 0.5 cm
-1, laser power is 100W, be 5s sweep time.
Every duplicate samples is after enrichment, measuring, valve changes and passes to filter washing water inlet, through peristaltic pump wash cycles repeatedly in enriching column, Raman spectrometer gathered a Raman spectrum every 1 minute to enriching column simultaneously, on the basis of previous experiments model, predict content of beary metal in enriching column, in the time that predicted value is zero, valve changes and passes to waste liquid exit, through peristaltic pump, the cleaning waste liquid in device is discharged, prepare sample detection next time.
Claims (1)
1. an enriching apparatus for the portable Raman detection heavy metal of robotization, comprises solution tank (1), seal box (2), Portable Raman spectrometer (3), enriching column fixture (4), enriching column (5), stopcock (6), reversal valve (7), peristaltic pump (8), pump one, pump two, pump three, treating apparatus, the light beam window that it is characterized in that Portable Raman spectrometer is close to enriching column surface, enriching column is set in enriching column fixture, the below of enriching column fixture (4) is provided with solution tank (1), solution tank (1) connects peristaltic pump (8) by pipeline, and peristaltic pump (8) connects reversal valve (7), and reversal valve (7) connects enriching column by pipeline, the junction of enriching column and pipeline is provided with stopcock (6), and the top of described enriching column (5) is connected with respectively sample solution pipeline, eluent pipeline and leacheate pipeline, described enriching column is placed in seal box (2), and described eluent pipeline is connected pump one by flexible pipe respectively with leacheate pipeline, two, described sample solution device for cleaning pipeline is crossed flexible pipe and is connected pump three, pump three connects treating apparatus, described pump three is fixed on longitudinal rail by longitudinal mobile motor, longitudinal rail is fixed on cross slide way by transverse mobile motor, under cross slide way, be evenly placed with several sample solution bottles, described longitudinal mobile motor, transverse mobile motor, pump one, two, three, Portable Raman spectrometer, peristaltic pump, stopcock is connected respectively treating apparatus with reversal valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868910.2U CN203838060U (en) | 2013-12-27 | 2013-12-27 | Automatic device for detecting and enriching heavy metals by virtue of portable raman spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868910.2U CN203838060U (en) | 2013-12-27 | 2013-12-27 | Automatic device for detecting and enriching heavy metals by virtue of portable raman spectrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203838060U true CN203838060U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320868910.2U Expired - Fee Related CN203838060U (en) | 2013-12-27 | 2013-12-27 | Automatic device for detecting and enriching heavy metals by virtue of portable raman spectrometer |
Country Status (1)
| Country | Link |
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| CN (1) | CN203838060U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106556534A (en) * | 2016-12-03 | 2017-04-05 | 百奥森（江苏）食品安全科技有限公司 | A kind of enriching apparatus of the portable Raman detection heavy metal of automatization |
| US11262335B2 (en) * | 2019-01-28 | 2022-03-01 | Shimadzu Corporation | Chromatography detector |
-
2013
- 2013-12-27 CN CN201320868910.2U patent/CN203838060U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106556534A (en) * | 2016-12-03 | 2017-04-05 | 百奥森（江苏）食品安全科技有限公司 | A kind of enriching apparatus of the portable Raman detection heavy metal of automatization |
| US11262335B2 (en) * | 2019-01-28 | 2022-03-01 | Shimadzu Corporation | Chromatography detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20151227 |
|
| EXPY | Termination of patent right or utility model |