CN202928984U - Heavy metal detection system - Google Patents
Heavy metal detection system Download PDFInfo
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- CN202928984U CN202928984U CN 201220635467 CN201220635467U CN202928984U CN 202928984 U CN202928984 U CN 202928984U CN 201220635467 CN201220635467 CN 201220635467 CN 201220635467 U CN201220635467 U CN 201220635467U CN 202928984 U CN202928984 U CN 202928984U
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Abstract
The utility model discloses a heavy metal detection system. The system comprises a first extraction device for extracting a to-be-detected water sample, at least one second extraction device for extracting an auxiliary detection liquid, and a detection device for detecting the types of the heavy metals in the to-be-detected water sample. The first extraction device is connected with the detection device through a first pipe, and the at least one second extraction device is respectively connected with the detection device through a second pipe. By the formation relation, in the sampling process, the to-be-detected water sample and the auxiliary detection liquid flow into the detection device through own corresponding pipe under the action of corresponding extraction devices, influence caused by the pipe residues of other liquid is avoided, and the detection accuracy is improved.
Description
Technical field
The utility model relates to heavy metal detection technique field, relates in particular to a kind of heavy metal detection system.
Background technology
Heavy metal refers to that relative density is greater than 5 metal.It acquires a certain degree in the human body accumulation, can cause slow poisoning, and heavy metal can not be decomposed not only in water, also can be converted into the stronger metallic compound of toxicity under the effect of microorganism.Therefore, in order to monitor the quality of water resource, very urgent to the detection of heavy metal.
Domestic existing heavy metal detection system as shown in Figure 1 at present.Wherein, water sample to be measured, electroplate liquid, electrolytic solution, titer, pure water philosophy are connected with peristaltic pump 110 by specific pipeline, and this peristaltic pump 110 is connected with electrolytic cell 130 by pipeline 120.Wherein, pipeline 120 is wrapped on the roller of peristaltic pump 110, by the repeated compression elastic tube, ducted liquid is moved towards certain orientation, final various liquid converges in electrolytic cell 130, and react, and then can determine according to reaction result the kind of the contained heavy metal of water sample to be measured in electrolytic cell.
In above-mentioned detection system, because different liquid can enter electrolytic cell through same segment pipe, therefore, in sampling process, the residue that is attached to the different liquids on this pipeline can bring impact to current liquid of flowing through, and then the accuracy of impact detection.
The utility model content
In view of this, the utility model provides a kind of heavy metal detection system, is used for improving the accuracy that detects the heavy metal kind.
To achieve these goals, the utility model provides following technical scheme:
A kind of heavy metal detection system comprises:
Extract the first draw-out device of water sample to be measured, extract at least one second draw-out device of auxiliary detection liquid, detect the pick-up unit of the contained heavy metal kind of described water sample to be measured;
Wherein, described the first draw-out device is connected with described pick-up unit by the first pipeline, and described at least one second draw-out device is connected with pick-up unit by second pipe respectively.
Said system also comprises: in detecting described water sample to be measured after the heavy metal kind to described pick-up unit in the current waste fluid filter that exists liquid to carry out filtration treatment.
Wherein, described the first pipeline is the pipeline corresponding with the detected water sample characteristic.
Wherein, described the first pipeline is polyolefin plastic pipeline.
Wherein, described second pipe is the pipeline corresponding with auxiliary detection liquid characteristic.
Wherein, conveying is the acid corrosion-resistant pipeline as a kind of second pipe of electrolytic solution of auxiliary detection liquid;
Conveying is the acid corrosion-resistant pipeline as a kind of second pipe of electroplate liquid of auxiliary detection liquid;
Conveying is ultralow leachable pipeline as a kind of second pipe of titer of auxiliary detection liquid;
Conveying is low leachable pipeline as a kind of second pipe of pure water of auxiliary detection liquid.
Wherein, carrying is all the acid corrosion-resistant pipeline as a kind of electrolytic solution of auxiliary detection liquid and a second pipe of electroplate liquid;
Conveying all is low leachable pipeline as a second pipe of a kind of titer and pure water.
Wherein, described the first draw-out device and/or described the second draw-out device comprise: the peristaltic pump or the peristaltic pump that are connected with the Liquid extracting pipeline.
Wherein, the Liquid extracting pipeline of the first draw-out device connection of described extraction water sample to be measured is the pipeline corresponding with water sample characteristic to be measured.
Wherein, the Liquid extracting pipeline of at least one second draw-out device connection of described extraction auxiliary detection liquid is the pipeline corresponding with auxiliary detection liquid characteristic.
Compared with prior art, the heavy metal detection system that the utility model provides, because the first draw-out device that extracts water sample to be measured is connected with pick-up unit by the first pipeline, the second draw-out device that extracts auxiliary detection liquid is connected with pick-up unit by second pipe respectively, make in sampling process water sample to be measured and auxiliary detection liquid under corresponding draw-out device effect, pipeline by self correspondence flows in pick-up unit, the impact of having avoided the pipeline residual thing of other liquid to bring, thus the accuracy that detects improved.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do simple the introduction to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the installation drawing of heavy metal detection system in prior art;
The installation drawing of the heavy metal detection system that Fig. 2 provides for the utility model embodiment one;
The installation drawing of the heavy metal detection system that Fig. 3 provides for the utility model embodiment two;
The installation drawing of the heavy metal detection system that Fig. 4 provides for the utility model embodiment three.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
In order to guarantee to detect the accuracy of heavy metal kind, the utility model provides a kind of heavy metal detection system, as shown in Figure 2, can comprise:
Extract the first draw-out device 210 of water sample to be measured, extract at least one second draw-out device 220 of auxiliary detection liquid, detect the pick-up unit 230 of the contained heavy metal kind of described water sample to be measured;
Wherein, described the first draw-out device 210 is connected with described pick-up unit 230 by the first pipeline 240, and described at least one second draw-out device 220 is connected with pick-up unit 230 by second pipe 250 respectively.
Compared with prior art, the heavy metal detection system that the utility model provides, because the first draw-out device that extracts water sample to be measured is connected with pick-up unit by the first pipeline, the second draw-out device that extracts auxiliary detection liquid is connected with pick-up unit by second pipe respectively, make in sampling process water sample to be measured and auxiliary detection liquid under corresponding draw-out device effect, pipeline by self correspondence flows in pick-up unit, the impact of having avoided the pipeline residual thing of other liquid to bring, thus the accuracy that detects improved.
Further, described heavy metal detection system can also comprise waste fluid filter, and wherein, after the heavy metal kind, this liquid waste treating apparatus carries out filtration treatment to the current liquid that exists in described pick-up unit in detecting described water sample to be measured.
Usually all from the rivers and lakes that polluted in various degree, for carrying out smoothly of guaranteeing to detect, further, described the first pipeline 240 can be the pipeline corresponding with the detected water sample characteristic due to water sample to be measured.For example, in actual applications, because water sample to be measured contains a large amount of bacteriums, these bacteriums can be on duct wall growth and breeding, very likely cause line clogging, affect effective detection of heavy metal, for fear of the generation of this kind situation, described the first pipeline 240 can be polyolefin plastic pipeline, certainly is not limited to polyolefin plastic pipeline.
Simultaneously, for second pipe, in order to guarantee the long-term normal work of pipeline, described second pipe can be the pipeline corresponding with auxiliary detection liquid characteristic.For example, when auxiliary detection liquid was electroplate liquid and/or electrolytic solution, because electroplate liquid and/or electrolytic solution have the acid corrosion effect, therefore, the second pipe corresponding with it can be the acid corrosion-resistant pipeline; And when auxiliary liquid was titer and/or pure water, the second pipe corresponding with it selected low leachable pipeline, certainly was not limited to this.
In actual applications, each auxiliary detection liquid can a unique corresponding second pipe, and namely each second pipe is carried unique a kind of liquid, avoids other liquid residue on the impact of testing result with this; And require under lower scene for accuracy in detection, guaranteeing that water sample to be measured and auxiliary detection liquid are respectively under the prerequisite by different pipelines conveyings, multiple auxiliary detection liquid with identical or close characteristic can be carried by same second pipe, and this is also rational.
Need to prove, can comprising of described the first draw-out device and/or described the second draw-out device: the peristaltic pump that is connected with the Liquid extracting pipeline, perhaps, peristaltic pump, to be applicable to different detection scenes, certainly, described the first draw-out device and/or described the second draw-out device are not limited to peristaltic pump, can also for other can extracting liquid device.
Further, be to be connected with for the peristaltic pump of Liquid extracting pipeline for described the first draw-out device and/or described the second draw-out device, in order to guarantee the long-term normal work of pipeline, the Liquid extracting pipeline that the first draw-out device of described extraction water sample to be measured connects is the pipeline corresponding with water sample characteristic to be measured, accordingly, the Liquid extracting pipeline of at least one second draw-out device connection of described extraction auxiliary detection liquid is the pipeline corresponding with auxiliary detection liquid characteristic.
Below in conjunction with a concrete application example, a kind of heavy metal detection system provided by the utility model is introduced.
As shown in Figure 3, a kind of heavy metal detection system can comprise:
Extract the first peristaltic pump 310 of water sample to be measured, respectively the second peristaltic pump 320 of draw standard liquid, electrolytic solution, electroplate liquid, distilled water;
Wherein, described the first peristaltic pump 310 is connected with electrolytic cell 350 by the first pipeline 330, and described the second peristaltic pump 320 is connected with electrolytic cell 350 by second pipe 340 respectively, and described electrolytic cell 350 is connected with waste fluid filter 360 by particular conduit;
Wherein, carrying the first pipeline 330 of water sample to be measured is antibacterial polyolefin plastic pipeline, as TPE pipe fitting FX pipeline;
Wherein, the second pipe 340 of conveying electrolyte is the acid corrosion-resistant pipeline, and as Tygon 2375 pipelines, described electrolytic solution can provide condition for enrichment, the stripping of metal;
Wherein, carrying the second pipe 340 of electroplate liquid is the acid corrosion-resistant pipeline, and as Tygon 2375 pipelines, described electroplate liquid can plate mercury for working electrode;
Wherein, the second pipe 340 of transfer criteria liquid is ultralow leachable pipeline, and as TPE pipe fitting SFX pipeline, described titer can provide the basis for Instrument measuring;
Wherein, carry the second pipe 340 of distilled water for low leachable pipeline, as Tygon R-360 pipeline, described distilled water can dilute sample and is cleaned testing fixture;
Wherein, the pipeline of the pipeline of described extracting liquid and described conveying liquid is one to one.
To the composition of heavy metal detection system and the description of annexation, the course of work of introducing in detail heavy metal detection system provided by the utility model below in conjunction with accompanying drawing is as follows based on above:
1) detect front the cleaning
Industrial computer is controlled the second peristaltic pump 320 that extracts distilled water and is extracted pure water with cleaning electrolytic cell 350, emptying electrolytic cell 350, and then control the first peristaltic pump 310 that extracts water sample to be measured and extract water sample rinse electrolytic cell 350 to be measured, emptying.
2) testing process
The second peristaltic pump 320 that starts draw standard liquid, electrolytic solution and pure water is marked the liquid analysis; Control respectively the first peristaltic pump 310 that extracts water sample to be measured and the second peristaltic pump 320 that extracts electrolytic solution and pure water and carry out hyperchannel sample introduction simultaneously, then apply voltage by working electrode and contrast electrode, auxiliary electrode detects electric current, realizes the detection to water sample to be measured.
3) detect rear the cleaning
After detection is completed, waste liquid is discharged to waste fluid filter 360, processes, advance distilled water and clean electrolytic cell repeatedly, emptying.
In the heavy metal detection system that the present embodiment provides, select respectively corresponding with it pipeline according to the characteristic of water sample to be measured and auxiliary detection liquid, therefore, water sample to be measured and auxiliary detection liquid are under corresponding peristaltic pump effect in the process of sampling, flow in pick-up unit by the pipeline corresponding with characteristics of liquids, the impact of having avoided the pipeline residual thing of other liquid to bring, thus the accuracy that detects improved.
Certainly, some for the less demanding situation of heavy metal accuracy in detection under, characteristic close or two or more identical auxiliary detection liquid can adopt a peristaltic pump to be connected with electrolytic cell by specific pipeline.
As shown in Figure 4, a kind of heavy metal detection system can comprise:
Extract the first peristaltic pump 410 of water sample to be measured, extract the second peristaltic pump 420 of electrolytic solution and electroplate liquid, the second peristaltic pump 420 of draw standard liquid and pure water;
Wherein, described the first peristaltic pump 410 is connected with electrolytic cell 450 by the first pipeline 430, and described the second peristaltic pump 420 is connected with electrolytic cell 450 by second pipe 440 respectively, and described electrolytic cell 450 is connected with waste fluid filter 460 by particular conduit;
Wherein, described the first pipeline 410 is antibacterial polyolefin plastic pipeline, and as TPE pipe fitting FX pipeline, this kind pipeline is the growth and breeding of anti-bacteria on tube wall effectively, avoided line clogging;
Wherein, carrying the second pipe 440 of electroplate liquid and electrolytic solution is the acid corrosion-resistant pipeline, and as the Tygon2375 pipeline, this kind pipeline can effectively reduce the acidic materials such as electrolytic solution, electroplate liquid to the corrosion of pipeline;
Wherein, the second pipe 440 of transfer criteria liquid and pure water is low leachable pipeline, and as the TygonR-360 pipeline, this kind pipeline is low due to leachable, has reduced the interference of pipeline leachable to analytical test.
The course of work based on the specific works process of the heavy metal detection system of the present embodiment embodiment corresponding with Fig. 3 is close, therefore do not repeat them here.
In the heavy metal detection system that the present embodiment provides, select corresponding with it pipeline to be connected to electrolytic cell according to water sample characteristic to be measured, and consider simultaneously to use a peristaltic pump to be connected to electrolytic cell by the pipeline corresponding with its characteristic for characteristic close or identical several auxiliary detection liquid, therefore, water sample to be measured and auxiliary detection liquid are under corresponding peristaltic pump effect in the process of sampling, flow in pick-up unit by the pipeline corresponding with characteristics of liquids, the impact of having avoided the pipeline residual thing of other liquid to bring, thus the accuracy that detects improved.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a heavy metal detection system, is characterized in that, comprising:
Extract the first draw-out device of water sample to be measured, extract at least one second draw-out device of auxiliary detection liquid, detect the pick-up unit of the contained heavy metal kind of described water sample to be measured;
Wherein, described the first draw-out device is connected with described pick-up unit by the first pipeline, and described at least one second draw-out device is connected with pick-up unit by second pipe respectively.
2. system according to claim 1, is characterized in that, also comprises: in detecting described water sample to be measured after the heavy metal kind to described pick-up unit in the current waste fluid filter that exists liquid to carry out filtration treatment.
3. system according to claim 1, is characterized in that, described the first pipeline is the pipeline corresponding with the detected water sample characteristic.
4. system according to claim 3, is characterized in that, described the first pipeline is polyolefin plastic pipeline.
5. system according to claim 1, is characterized in that, described second pipe is the pipeline corresponding with auxiliary detection liquid characteristic.
6. system according to claim 5, is characterized in that,
Conveying is the acid corrosion-resistant pipeline as a kind of second pipe of electrolytic solution of auxiliary detection liquid;
Conveying is the acid corrosion-resistant pipeline as a kind of second pipe of electroplate liquid of auxiliary detection liquid;
Conveying is ultralow leachable pipeline as a kind of second pipe of titer of auxiliary detection liquid;
Conveying is low leachable pipeline as a kind of second pipe of pure water of auxiliary detection liquid.
7. system according to claim 5, is characterized in that,
Carrying is all the acid corrosion-resistant pipeline as a kind of electrolytic solution of auxiliary detection liquid and a second pipe of electroplate liquid;
Conveying all is low leachable pipeline as a second pipe of a kind of titer and pure water.
8. system according to claim 1, is characterized in that, described the first draw-out device and/or described the second draw-out device comprise: the peristaltic pump or the peristaltic pump that are connected with the Liquid extracting pipeline.
9. according to claim 1 or 8 described systems, is characterized in that, the Liquid extracting pipeline that the first draw-out device of described extraction water sample to be measured connects is the pipeline corresponding with water sample characteristic to be measured.
10. according to claim 1 or 8 described systems, is characterized in that, the Liquid extracting pipeline that at least one second draw-out device of described extraction auxiliary detection liquid connects is the pipeline corresponding with auxiliary detection liquid characteristic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220635467 CN202928984U (en) | 2012-11-26 | 2012-11-26 | Heavy metal detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220635467 CN202928984U (en) | 2012-11-26 | 2012-11-26 | Heavy metal detection system |
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| CN202928984U true CN202928984U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220635467 Expired - Lifetime CN202928984U (en) | 2012-11-26 | 2012-11-26 | Heavy metal detection system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352948A (en) * | 2015-10-20 | 2016-02-24 | 深圳市清时捷科技有限公司 | Fluid path device of water quality on-line detector and detection method |
| CN105486830A (en) * | 2016-01-08 | 2016-04-13 | 深圳市清时捷科技有限公司 | Online water quality project alternating detection device and method thereof |
| CN112730525A (en) * | 2020-12-25 | 2021-04-30 | 杭州绿洁环境科技股份有限公司 | Low-concentration trace water sample pH conductivity detector |
-
2012
- 2012-11-26 CN CN 201220635467 patent/CN202928984U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352948A (en) * | 2015-10-20 | 2016-02-24 | 深圳市清时捷科技有限公司 | Fluid path device of water quality on-line detector and detection method |
| CN105486830A (en) * | 2016-01-08 | 2016-04-13 | 深圳市清时捷科技有限公司 | Online water quality project alternating detection device and method thereof |
| CN112730525A (en) * | 2020-12-25 | 2021-04-30 | 杭州绿洁环境科技股份有限公司 | Low-concentration trace water sample pH conductivity detector |
| CN112730525B (en) * | 2020-12-25 | 2024-01-16 | 杭州绿洁科技股份有限公司 | Low-concentration trace water sample pH conductivity detector |
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Legal Events
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| C14 | Grant of patent or utility model | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang Province, Gongshu District Zhenkang road 310015 Cambridge No. 18 Building 5 layer 1 Patentee after: HANGZHOU GREAN WATER SCIENCE & TECHNOLOGY Inc. Address before: Hangzhou City, Zhejiang Province, Gongshu District Zhenkang road 310015 Cambridge No. 18 Building 5 layer 1 Patentee before: HANGZHOU GREAN WATER SCIENCE & TECHNOLOGY CO.,LTD. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 311100 Room 101, Building 1, Luting Road, Cangqian Street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Lujie Environmental Science and Technology Co.,Ltd. Address before: 310015 Building No. 18, Kangjing Road, Kangqiao Town, Gongshu District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU GREAN WATER SCIENCE & TECHNOLOGY INC. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |