CN204422418U - A kind of device measuring heavy metal ion in water - Google Patents
A kind of device measuring heavy metal ion in water Download PDFInfo
- Publication number
- CN204422418U CN204422418U CN201420800378.5U CN201420800378U CN204422418U CN 204422418 U CN204422418 U CN 204422418U CN 201420800378 U CN201420800378 U CN 201420800378U CN 204422418 U CN204422418 U CN 204422418U
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- plate
- heavy metal
- metal ion
- cabinet
- control box
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Abstract
The utility model patent discloses a kind of device measuring heavy metal ion in water, comprising: cabinet, chamber door, controllable lift platform, electro-deposition pond, pole plate clamping device, cathode plate, plate, spectral detector, signal transmission fiber, central control box, focusing optical lenses, lens fixed support, lens adjusting device, wire one, wire two, coupling arrangement one, coupling arrangement two.First the heavy metal ion in tested aqueous solution is enriched on cathode plate by the technology of electro-deposition, then adopts LIBS technology anticathode pole plate to measure, this device has fast, measuring accuracy is high, detected water sample is without the need to the advantage of complex process.
Description
Technical field
The utility model relates to a kind of device measuring heavy metal ion in water, the present invention utilizes LIBS (be called for short LIBS) to combine with electro-deposition techniques the device measured heavy metal ion in water, particularly relates to the device of heavy metal ion in a kind of measurement water of Photoelectric Detection instrument field.
Background technology
Have spectrophotometric method for the heavy metal ion measuring method measured in water at present, atomic emission spectrometry, atomic absorption spectrography (AAS), ion select ionization method.But still there is certain defect in above method.Spectrophotometric method, the serious interference that during measurement, overlap of spectral lines causes, chemically must change extinction material into during analysis, complicated operation easily produces secondary pollution.Atomic emission spectrometry, before measuring, sample needs atomization process, and measuring process is complicated, practical operation is difficult, easily produces secondary pollution, affects measurement accuracy.Atomic absorption spectrography (AAS), needs the specific light source corresponding to tested element, measures difficulty greatly, be difficult to accomplish to detect detection device for multi metallic elements simultaneously during measurement.Ion selects ionization method, and easily produce measuring error because detecting sample difference in actual measurement process, actual measurement required time is long.
LIBS (hereinafter referred to as LIBS) is a kind of emerging Dynamic Non-Destruction Measurement, because it has rapidity in sample composition composition, detection of content of element, untouchable, the sample measured is without the need to the feature such as anticipating, and LIBS is widely used at material and Element detection field at present.But the water smoke article on plasma spectrum produced because of superlaser when the actual LIBS of use technology is directly measured aqueous solution at present exists serious absorption, when thus directly using LIBS to measure heavy metal ion in water, there is the shortcomings such as detection difficulty is large, measuring accuracy is low.
Summary of the invention
In order to overcome above-mentioned prior art shortcoming, the purpose of this utility model is to provide the device of heavy metal ion in a kind of measurement water of field of photodetection, this device by electro-deposition the heavy metal ion enrichment in detected water sample on cathode plate, re-use LIBS technology anticathode pole plate to measure, feature of the present utility model is that precision is high, detected water sample product are short without the need to complex process, sense cycle.
The technical scheme that the utility model adopts is: the device of heavy metal ion in a kind of measurement water of Photoelectric Detection instrument field, comprising: cabinet (1), chamber door (2), controllable lift platform (10), electro-deposition pond (11), pole plate clamping device (13), dismountable cathode plate (12) and plate (14), spectral detector (8), signal transmission fiber (9), central control box (15), focusing optical lenses (6), lens fixed support (3), lens adjusting device (7), wire one (16), wire two (17), coupling arrangement one (4), coupling arrangement two (5), be connected with wire one (16) between central control box (15) with plate (14), be connected with wire two (17) between central control box (15) with cathode plate (12), be connected with coupling arrangement one (4) between central control box control (15) with cabinet (1), be connected with coupling arrangement two (5) between spectral detector (8) with cabinet (1), central authorities' box processed (15) have the pole plate clamping device (13) connecting cathode plate (12) and plate (14), controllable lift platform (10) is provided with bottom cabinet, controllable lift platform is placed electro-deposition pond (11), cabinet side is provided with lens fixed support (3), lens adjusting device (7), focusing optical lenses (6), cabinet side is also provided with chamber door (2), and signal transmission fiber (9) connects spectral detector (8) and central control box (15).
Controllable lift platform (10) in the utility model, it is characterized in that: controllable lift platform (10) can hold up electro-deposition pond (11), the height of electro-deposition pond (11) is regulated and controled, cathode plate (12), plate (14) can be immersed in detected water sample on request.
Cathode plate (12) in the utility model, is characterized in that: cathode plate (12) can by the heavy metal ion enrichment in detected water sample on cathode plate (12) after being energized.
Central control box (15) in the utility model, it is characterized in that: the power-on voltage of central control box (15) energy control cathode pole plate (12) and plate (14), the conduction time of control cathode pole plate (12) and plate (14), the signal that central control box (15) energy receiving spectrum detector (8) sends.
Beneficial effect:
1, sense cycle is short, and sample is without the need to complex process;
2, the method overcome by intrinsic difficulty during LIBS technology Direct Analysis fluid sample, avoid spray sputtering, plasma intensity and weaken the problem shortened with plasma lifetime because of the absorption of water smoke;
3, by the heavy metal ion enrichment in water on cathode plate (12), measuring accuracy improves further.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model;
In accompanying drawing 1:
1 is cabinet; 2 is cabinet chamber door; 3 is lens fixed support; 4 is coupling arrangement one; 5 is coupling arrangement two; 6 is focusing optical lenses; 7 is lens adjusting device; 8 is spectral detector; 9 is Transmission Fibers; 10 is controllable lift platform; 11 is electro-deposition pond; 12 is cathode plate; 13 is pole plate clamping device; 14 is plate; 15 is central control box; 16 is wire one; 17 is wire two.
Embodiment
Elaborate below in conjunction with structural principle of the present utility model and principle of work:
In Fig. 1, a kind of device measuring heavy metal ion in water, cabinet 1, chamber door 2, controllable lift platform 10, electro-deposition pond 11, pole plate clamping device 13, dismountable cathode plate 12 and plate 14, spectral detector 8, signal transmission fiber 9, central control box 15, focusing optical lenses 6, lens fixed support 3, lens adjusting device 7, connect the wire 1 of central control box 15 and plate 14, connect the wire 2 17 of central control box 15 and cathode plate 12, connect the coupling arrangement 1 of cabinet 1 and central control box 15, connect the coupling arrangement 25 of cabinet 1 and spectral detector 8, be connected with wire 2 17 between central control box 15 with cathode plate 12, be connected with wire 1 between central control box 15 with plate 14, be connected with coupling arrangement 1 between central control box control 15 with cabinet 1, be connected with coupling arrangement 25 between spectral detector 8 with cabinet 1, central authorities' box 15 processed has the pole plate clamping device 13 connecting cathode plate 12 and plate 14, controllable lift platform 10 is provided with bottom cabinet, controllable lift platform is placed electro-deposition pond 11, cabinet side is provided with lens fixed support 3, lens adjusting device 7, focusing optical lenses 6, cabinet side is also provided with chamber door 2, and signal transmission fiber 9 connects spectral detector 8 and central control box 15.
Detected water sample is joined electro-deposition pond 11, under the control of central control box 15, electro-deposition pond 11 is risen to working depth by controllable lift platform 10, and under the control of central control box 15, cathode plate 12 and plate 14 pass to voltage, and electrodeposition process starts; After treating that electrodeposition process terminates, under the control of central control box 15, free lifting table 10 rolls back original height electro-deposition pond 11, and central control box 15 stops anticathode pole plate 12 and plate 14 to be energized, and electrodeposition process terminates; Pulse laser focuses on cathode plate 12 under the effect of condenser lens 6, and produce plasma spectrum, plasma spectrum receives via optical detector 8 and by Transmission Fibers 9, spectral information passed to central control box 15.
Principle of work:
Quantity N and the initial concentration C of the heavy metal ion on cathode plate surface is enriched in electrodeposition process
0, enrichment voltage U, enrichment time t and liquor capacity V be following relation:.
N＝C
oV[1-exp(BUt)]
Laser plasma spectrum measured in actual measurement process refers to what cathode plate was excited, can draw heavy metal contamination in detected water sample through above formula scales.
Claims (5)
1. measure a device for heavy metal ion in water, it is characterized in that, comprising: cabinet (1), chamber door (2), controllable lift platform (10), electro-deposition pond (11), pole plate clamping device (13), dismountable cathode plate (12) and plate (14), spectral detector (8), signal transmission fiber (9), central control box (15), focusing optical lenses (6), lens fixed support (3), lens adjusting device (7), wire one (16), wire two (17), coupling arrangement one (4), coupling arrangement two (5), be connected with wire one (16) between central control box (15) with plate (14), be connected with wire two (17) between central control box (15) with cathode plate (12), be connected with coupling arrangement one (4) between central control box control (15) with cabinet (1), be connected with coupling arrangement two (5) between spectral detector (8) with cabinet (1), central authorities' box processed (15) have the pole plate clamping device (13) connecting cathode plate (12) and plate (14), controllable lift platform (10) is provided with bottom cabinet, controllable lift platform is placed electro-deposition pond (11), cabinet side is provided with lens fixed support (3), lens adjusting device (7), focusing optical lenses (6), cabinet side is also provided with chamber door (2), and signal transmission fiber (9) connects spectral detector (8) and central control box (15).
2. a kind of device measuring heavy metal ion in water according to claim 1, it is characterized in that: described controllable lift platform (10) holds up electro-deposition pond (11), the height of electro-deposition pond (11) is adjusted, cathode plate (12), plate (14) are immersed in detected water sample.
3. a kind of device measuring heavy metal ion in water according to claim 1, is characterized in that: described cathode plate (12) after being energized by the heavy metal ion enrichment in detected water sample on cathode plate (12).
4. a kind of device measuring heavy metal ion in water according to claim 1, it is characterized in that: described coupling arrangement two (5) connects spectral detector (8) and cabinet (1), and adjust the angle of spectral detector (8) and cathode plate (12).
5. a kind of device measuring heavy metal ion in water according to claim 1, it is characterized in that: the power-on voltage of described central control box (15) control cathode pole plate (12) and plate (14), the conduction time of control cathode pole plate (12) and plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420800378.5U CN204422418U (en) | 2014-12-17 | 2014-12-17 | A kind of device measuring heavy metal ion in water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420800378.5U CN204422418U (en) | 2014-12-17 | 2014-12-17 | A kind of device measuring heavy metal ion in water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204422418U true CN204422418U (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420800378.5U Expired - Fee Related CN204422418U (en) | 2014-12-17 | 2014-12-17 | A kind of device measuring heavy metal ion in water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204422418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458872A (en) * | 2014-12-17 | 2015-03-25 | 中国计量学院 | Device for measuring heavy metal ions in water |
-
2014
- 2014-12-17 CN CN201420800378.5U patent/CN204422418U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458872A (en) * | 2014-12-17 | 2015-03-25 | 中国计量学院 | Device for measuring heavy metal ions in water |
| CN104458872B (en) * | 2014-12-17 | 2019-06-07 | 中国计量学院 | The device of heavy metal ion in a kind of measurement water |
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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: 20150624 Termination date: 20151217 |
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| EXPY | Termination of patent right or utility model |