CN204241366U - A kind of device detecting heavy metal in soil - Google Patents
A kind of device detecting heavy metal in soil Download PDFInfo
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- CN204241366U CN204241366U CN201420805691.8U CN201420805691U CN204241366U CN 204241366 U CN204241366 U CN 204241366U CN 201420805691 U CN201420805691 U CN 201420805691U CN 204241366 U CN204241366 U CN 204241366U
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- pond
- heavy metal
- soil
- fiber coupler
- solenoid valve
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Abstract
Detect a device for heavy metal in soil, it relates to a kind of device detecting heavy metal.The purpose of this utility model is the instrument and equipment costliness that will solve existing detection heavy metal in soil, and complicated operation, is not suitable for the problem of the Measurement and analysis of field soil content of beary metal.A kind of device detecting heavy metal in soil comprises light source, optical filter, convergent lens, fiber coupler, photodetector, computing machine, motor, stirrer, lixiviate pond, solenoid valve, filtration channel, probe, controller, sample storage pond, testing sample pond, standard model pond, charging aperture, inlet and cover plate; Cover plate is provided with above described lixiviate pond; The top of cover plate is provided with charging aperture and inlet; The bottom in lixiviate pond and the top in sample storage pond are communicated with filtration channel, and the bottom in sample storage pond is connected with testing sample pond by the second solenoid valve; The output terminal of photodetector is connected with the input end of computing machine.The utility model can be used for detecting heavy metal in soil.
Description
Technical field
The utility model relates to a kind of device detecting heavy metal.
Background technology
Along with industry and agriculture development, exceed standard the use agricultural chemicals of transition and chemical fertilizer in pollution and agricultural production process, a lot of agricultural land soil is caused to be polluted, affect agricultural product and food security thereof, heavy metal contaminants movability in soil is very little, not easily be degraded by microorganisms, and heavy metal in soil is rich in plant, health is threatened by food chain, after in human body, heavy metal exceedes certain limit, can cause acute poisoning, subacute poisoning and slow poisoning, the content therefore detecting heavy metal in soil is very important.
The heavy metal-polluted soil determination method of current routine is primarily of electric coupling ICP-MS, high performance liquid chromatography, x ray fluorescence spectrometry etc.The instrument of existing detection heavy metal in soil is complete sets of instrument, apparatus expensive, complicated operation, and is only only applicable to lab analysis, is not suitable for field survey analysis.
Utility model content
The purpose of this utility model is the instrument and equipment costliness that will solve existing detection heavy metal in soil, and complicated operation, is not suitable for the problem of the Measurement and analysis of field soil content of beary metal, and provides a kind of device detecting heavy metal in soil.
A kind of device detecting heavy metal in soil comprises light source, optical filter, convergent lens, the first fiber coupler, the second fiber coupler, photodetector, computing machine, motor, stirrer, lixiviate pond, the first solenoid valve, filtration channel, probe, controller, sample storage pond, the second solenoid valve, testing sample pond, standard model pond, charging aperture, inlet and cover plate;
The top in described lixiviate pond is provided with cover plate; The plate body of cover plate has charging aperture and inlet; Stirrer is arranged on the inside in lixiviate pond by cover plate, and the top of stirrer is provided with motor, and the input end of motor is connected with the output terminal of computing machine; The bottom in lixiviate pond and the top in sample storage pond are communicated with filtration channel, be provided with filter stick, filtration channel be provided with the first solenoid valve in filtration channel; Described probe is arranged in sample storage pond, and probe is connected with one end of controller, and the other end of controller is connected with computing machine; The bottom in sample storage pond is connected with testing sample pond by the second solenoid valve; Described testing sample pond is built with soil extraction to be measured, and standard model pond is built with substrate standard liquid;
Described light source is connected with the input end of convergent lens with the first fiber coupler by optical filter; The output terminal of the first fiber coupler is connected with the input end of standard model pond with the second fiber coupler respectively by testing sample pond; The output terminal of the second fiber coupler is connected with the input end of photodetector, and the output terminal of photodetector is connected with the input end of computing machine.
Using method of the present utility model and principle: first soil to be measured is joined in lixiviate pond by the charging aperture above cover plate, then soil extraction joins in lixiviate pond by the inlet above cover plate, computing machine controls motor makes stirrer stir, after stirring a period of time, computing machine controls motor, stirrer is made to stop stirring, open the first solenoid valve again, soil mixed liquor is filtered by filtration channel, soil extraction to be measured enters into sample storage pond, the data detected are transferred to computing machine by controller by probe, computing machine draws the pH value of soil extraction to be measured in sample storage pond by analyzing, open the second solenoid valve, the soil extraction to be measured in sample storage pond is intake in testing sample pond, and substrate standard liquid is equipped with in standard model pond, light source is mating plate and convergent lens after filtration, light beam is converged to the first fiber coupler, the output terminal of the first fiber coupler connects the standard model pond that substrate standard liquid is housed and the testing sample pond that soil extraction to be measured is housed respectively, after the light intensity signal outgoing of conducting in the first fiber coupler, through the absorption of substrate standard liquid and soil extraction to be measured, transmitted light again through the second fiber coupler by light signal transduction to photodetector, the standard light path received and soil extraction sample detection light path pass to computing machine by photodetector, computing machine is analyzed the signal that photodetector detects, obtain the kind of heavy metal in soil ion to be measured and the concentration of heavy metal ion.
Advantage of the present utility model:
One, the utility model equipment is cheap, simple to operate, workable, be applicable to the Measurement and analysis of field soil content of beary metal, and testing cost is low;
Two, the utility model detection efficiency is high, and accuracy is high.
The utility model can be used for detecting heavy metal in soil.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation detecting the device of heavy metal in soil described in embodiment one.
Embodiment
Embodiment one: present embodiment is that a kind of device detecting heavy metal in soil comprises light source 1, optical filter 2, convergent lens 3, first fiber coupler 4, second fiber coupler 5, photodetector 6, computing machine 7, motor 8, stirrer 9, lixiviate pond 10, first solenoid valve 11, filtration channel 12, probe 13, controller 14, sample storage pond 15, second solenoid valve 16, testing sample pond 17, standard model pond 18, charging aperture 19, inlet 20 and cover plate 21;
The top in described lixiviate pond 10 is provided with cover plate 21; The plate body of cover plate 21 has charging aperture 19 and inlet 20; Stirrer 9 is arranged on the inside in lixiviate pond 10 by cover plate 21, and the top of stirrer 9 is provided with motor 8, and the input end of motor 8 is connected with the output terminal of computing machine 7; The bottom in lixiviate pond 10 and the top in sample storage pond 15 are communicated with filtration channel 12, are provided with filter stick in filtration channel 12, filtration channel 12 are provided with the first solenoid valve 11; Described probe 13 is arranged in sample storage pond 15, and probe 13 is connected with one end of controller 14, and the other end of controller 14 is connected with computing machine 7; The bottom in sample storage pond 15 is connected with testing sample pond 17 by the second solenoid valve 16; Described testing sample pond 17 is built with soil extraction to be measured, and standard model pond 18 is built with substrate standard liquid;
Described light source 1 is connected with the input end of convergent lens 3 with the first fiber coupler 4 by optical filter 2; The output terminal of the first fiber coupler 4 is connected with the input end of standard model pond 18 with the second fiber coupler 5 respectively by testing sample pond 17; The output terminal of the second fiber coupler 5 is connected with the input end of photodetector 6, and the output terminal of photodetector 6 is connected with the input end of computing machine 7.
Fig. 1 is a kind of structural representation detecting the device of heavy metal in soil described in embodiment one; In Fig. 1,1 is light source, and 2 is optical filter, and 3 is convergent lens, and 4 is the first fiber coupler, 5 is the second fiber coupler, and 6 is photodetector, and 7 is computing machine, and 8 is motor, 9 is stirrer, and 10 is lixiviate pond, and 11 is the first solenoid valve, and 12 is filtration channel, 13 is probe, and 14 is controller, and 15 is sample storage pond, 16 is the second solenoid valve, and 17 is testing sample pond, and 18 is standard model pond, 19 is charging aperture, and 20 is inlet, and 21 is cover plate;
The using method of present embodiment and principle: first soil to be measured is joined in lixiviate pond 10 by the charging aperture 19 above cover plate 21, then soil extraction joins in lixiviate pond 10 by the inlet 20 above cover plate 21, computing machine 7 controls motor 8 makes stirrer 9 stir, after stirring a period of time, computing machine 7 controls motor 8, stirrer 9 is made to stop stirring, open the first solenoid valve 11 again, soil mixed liquor is filtered by filtration channel 12, soil extraction to be measured enters into sample storage pond 15, the data detected are transferred to computing machine 7 by controller 14 by probe 13, computing machine 7 draws the pH value of soil extraction to be measured in sample storage pond 15 by analyzing, open the second solenoid valve 16, the soil extraction to be measured in sample storage pond 15 is intake in testing sample pond 17, and substrate standard liquid is equipped with in standard model pond 18, light source 1 is mating plate 2 and convergent lens 3 after filtration, light beam is converged to the first fiber coupler 4, the output terminal of the first fiber coupler 4 connects the standard model pond 18 that substrate standard liquid is housed and the testing sample pond 17 that soil extraction to be measured is housed respectively, after the light intensity signal outgoing of conduction in the first fiber coupler 4, through the absorption of substrate standard liquid and soil extraction to be measured, transmitted light again through the second fiber coupler 5 by light signal transduction to photodetector 6, the standard light path received and soil extraction sample detection light path pass to computing machine 7 by photodetector 6, the signal that computing machine 7 pairs of photodetectors 6 detect is analyzed, obtain the kind of heavy metal in soil ion to be measured and the concentration of heavy metal ion.
The advantage of present embodiment:
One, present embodiment equipment is cheap, simple to operate, workable, be applicable to the Measurement and analysis of field soil content of beary metal, and testing cost is low;
Two, present embodiment detection efficiency is high, and accuracy is high.
Present embodiment can be used for detecting heavy metal in soil.
Embodiment two: the difference of present embodiment and embodiment one is: described optical filter 2 is for interfere narrow band pass filter.Other are identical with embodiment one.
Embodiment three: the difference of present embodiment and embodiment one or two is: the first described fiber coupler 4 and the second fiber coupler 5 are quartzy multimode multi-core fiber.Other are identical with embodiment one or two.
Embodiment four: the difference of present embodiment and embodiment one to three is: described photodetector 6 is silicon photocell.Other are identical with embodiment one to three.
Embodiment five: the difference of present embodiment and embodiment one to four is: described probe 13 is popped one's head in for pH.Other are identical with embodiment one to four.
Embodiment six: the difference of present embodiment and embodiment one to five is: the filtering accuracy of described filter stick is 1 μm ~ 25 μm.Other are identical with embodiment one to five.
Embodiment seven: the difference of present embodiment and embodiment one to six is: the first described solenoid valve 11 and the first solenoid valve 16 are Unidirectional solenoid valve.Other are identical with embodiment one to six.
Embodiment eight: the difference of present embodiment and embodiment one to six is: described testing sample pond 17 and standard model pond 18 are quartz colorimetric utensil.Other are identical with embodiment one to six.
Claims (8)
1. one kind is detected the device of heavy metal in soil, it is characterized in that a kind of device detecting heavy metal in soil comprises light source (1), optical filter (2), convergent lens (3), first fiber coupler (4), second fiber coupler (5), photodetector (6), computing machine (7), motor (8), stirrer (9), lixiviate pond (10), first solenoid valve (11), filtration channel (12), probe (13), controller (14), sample storage pond (15), second solenoid valve (16), testing sample pond (17), standard model pond (18), charging aperture (19), inlet (20) and cover plate (21),
The top in described lixiviate pond (10) is provided with cover plate (21); The plate body of cover plate (21) has charging aperture (19) and inlet (20); Stirrer (9) is arranged on the inside of lixiviate pond (10) by cover plate (21), the top of stirrer (9) is provided with motor (8), and the input end of motor (8) is connected with the output terminal of computing machine (7); The bottom in lixiviate pond (10) and the top of sample storage pond (15) are communicated with filtration channel (12), filtration channel is provided with filter stick in (12), filtration channel (12) is provided with the first solenoid valve (11); Described probe (13) is arranged in sample storage pond (15), and probe (13) is connected with one end of controller (14), and the other end of controller (14) is connected with computing machine (7); The bottom in sample storage pond (15) is connected with testing sample pond (17) by the second solenoid valve (16); Described testing sample pond (17) is built with soil extraction to be measured, and standard model pond (18) are built with substrate standard liquid;
Described light source (1) is connected with the input end of convergent lens (3) with the first fiber coupler (4) by optical filter (2); The output terminal of the first fiber coupler (4) is connected with standard model pond (18) input end with the second fiber coupler (5) respectively by testing sample pond (17); The output terminal of the second fiber coupler (5) is connected with the input end of photodetector (6), and the output terminal of photodetector (6) is connected with the input end of computing machine (7).
2. a kind of device detecting heavy metal in soil according to claim 1, is characterized in that described optical filter (2) is for interfering narrow band pass filter.
3. a kind of device detecting heavy metal in soil according to claim 1, is characterized in that described the first fiber coupler (4) and the second fiber coupler (5) are quartzy multimode multi-core fiber.
4. a kind of device detecting heavy metal in soil according to claim 1, is characterized in that described photodetector (6) is silicon photocell.
5. a kind of device detecting heavy metal in soil according to claim 1, is characterized in that described probe (13) is for pH probe.
6. a kind of device detecting heavy metal in soil according to claim 1, is characterized in that the filtering accuracy of described filter stick is 1 μm ~ 25 μm.
7. a kind of device detecting heavy metal in soil according to claim 1, is characterized in that described the first solenoid valve (11) and the first solenoid valve (16) are Unidirectional solenoid valve.
8. a kind of device detecting heavy metal in soil according to claim 1, is characterized in that described testing sample pond (17) and standard model pond (18) are quartz colorimetric utensil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420805691.8U CN204241366U (en) | 2014-12-18 | 2014-12-18 | A kind of device detecting heavy metal in soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420805691.8U CN204241366U (en) | 2014-12-18 | 2014-12-18 | A kind of device detecting heavy metal in soil |
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| Publication Number | Publication Date |
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| CN204241366U true CN204241366U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420805691.8U Expired - Fee Related CN204241366U (en) | 2014-12-18 | 2014-12-18 | A kind of device detecting heavy metal in soil |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043830A (en) * | 2015-06-24 | 2015-11-11 | 西南石油大学 | Automatic extraction device for clay minerals |
| CN109342413A (en) * | 2018-11-15 | 2019-02-15 | 广东精科环境科技有限公司 | A kind of detection method and its device of heavy metal content in soil |
| CN109738254A (en) * | 2019-01-29 | 2019-05-10 | 倪鸿宁 | A kind of heavy metal pollution of soil filtering detection device |
| CN111707807A (en) * | 2020-06-23 | 2020-09-25 | 中国科学院空天信息创新研究院 | Rapid detection device and detection method for soil water-soluble salt |
-
2014
- 2014-12-18 CN CN201420805691.8U patent/CN204241366U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043830A (en) * | 2015-06-24 | 2015-11-11 | 西南石油大学 | Automatic extraction device for clay minerals |
| CN105043830B (en) * | 2015-06-24 | 2018-06-22 | 西南石油大学 | The automatic extraction device of clay mineral |
| CN109342413A (en) * | 2018-11-15 | 2019-02-15 | 广东精科环境科技有限公司 | A kind of detection method and its device of heavy metal content in soil |
| CN109738254A (en) * | 2019-01-29 | 2019-05-10 | 倪鸿宁 | A kind of heavy metal pollution of soil filtering detection device |
| CN111707807A (en) * | 2020-06-23 | 2020-09-25 | 中国科学院空天信息创新研究院 | Rapid detection device and detection method for soil water-soluble salt |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| 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: 20150401 Termination date: 20161218 |