CN204255865U - The total cadmium on-line computing model of heavy metal in water - Google Patents
The total cadmium on-line computing model of heavy metal in water Download PDFInfo
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- CN204255865U CN204255865U CN201420703757.2U CN201420703757U CN204255865U CN 204255865 U CN204255865 U CN 204255865U CN 201420703757 U CN201420703757 U CN 201420703757U CN 204255865 U CN204255865 U CN 204255865U
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Abstract
The utility model relate to provide a kind of can the total cadmium on-line computing model of heavy metal in the water of little, the stable performance of cadmium content in on-line monitoring water, error, comprise sampling unit, agent delivery unit, reaction member, monitoring device; Described monitoring device comprises primary controller, UV-lamp, the optical receiver that is arranged at the detection light source in described reaction cup and mates with described detection light source, described sampling unit comprises sampling pump, strainer tube, the stoste storage silo that be communicated with corresponding to this sampling pump, one end of described strainer tube is corresponding with sampling pump to be communicated with, the other end is closed, and to offer on the tube wall of described strainer tube be at least one water hole; Described agent delivery unit comprises reagent solution storage silo, the reagent solution peristaltic pump that be communicated with corresponding to reagent solution storage silo; Described reaction member comprises reaction cup, and described reagent solution storage silo is communicated with via reagent solution peristaltic pump is corresponding with described reaction cup; Described stoste storage silo is communicated with via stoste peristaltic pump is corresponding with described reaction cup.
Description
Technical field
The utility model relates to a heavy metal species on-line computing model, particularly relates to a kind ofly to detect the total cadmium on-line computing model of heavy metal in the water of Heavy Metals in Waters cadmium in real time.
Background technology
Heavy metal is the emphasis of domestic and international pollution control and environmental monitoring always, and it has immeasurable harm to quality of water environment and health.Along with socioeconomic development, although various effort is made by Environmental protection management department, but arrange the gesture of the total cadmium of first kinds of pollution matter still in rising outside industrial and mining enterprises, discharge beyond standards phenomenon is had during the industrial waste water that it discharges, and due to the factor such as the self-purification of waters time is short, repeatedly there is water quality cadmium in recent years to exceed standard phenomenon, the source quality of surface water quality and water factory along the line is caused to have important impact, serious threat is to the safe drinking water of the people, the disease caused by heavy metal poisoning is caused often to have generation, cadmium is a kind of common elements in heavy metal, and the toxicity of sexavalence cadmium is very strong.Total cadmium refers to the content (comprising the summation of various form cadmium concentration) of total cadmium in 1L water.If cadmium content is higher in water, drunk by people, can accumulate in vivo, when drinking the generation that will cause some diseases for a long time, therefore very important to the monitoring of total cadmium.
The producer of current heavy metal cadmium on-line computing model is considerably less, and its technology is mainly with the optical colorimetric of standard
Method, ion-selective electrode method and anodic stripping voltammetry and polarography are main.Needed for the optical colorimetric method of its Plays, amount of reagent is larger, cause chemical reagent consumption amount large, virtually this instrument increase is used much to run burden to user, and the preprocessing process of this method sample in total metals mensuration process is complicated, length consuming time, for monitoring water quality on line, real-time is very poor.Ion-selective electrode method limitation is larger, inherently little owing to having optionally ion electrode at present, so adopt the method can only meet the heavy metal on-line monitoring of few kind, and owing to being ion-selective electrode, can only monitor heavy metal ion in water in like fashion; Because the service condition of electrode itself can not contact strong acid, make to carry out total metals monitoring in water and receive very large constraint.The price of this this province of external electrode very high and life-span very short (General Life is no more than half a year), so adopt the instrument of the method seldom to use at present.Anodic stripping voltammetry is a kind of newer measuring method, and original the method is mainly used in laboratory measurement or emergency monitoring, and why being used in these occasions is because use the pretreatment work in early stage of water sample to carry out by hand by user in these cases; And for on-line monitoring, can only be used for that water quality is very limpid, content of beary metal is lower and the existing forms of heavy metal in water is single.When water sample itself is very muddy or will greatly decline containing the accuracy of measuring when a large amount of impurity and even corrosive substance.Due to the harmfulness of heavy metal pollution, therefore set up the pollution of heavy metal pollution prewarning system heavy metal and monitor in real time, become day by day urgent, the demand of heavy metal on-line monitoring instrument also manifests day by day in recent years.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, adapts to reality need, provide a kind of can the total cadmium on-line computing model of heavy metal in the water of little, the stable performance of cadmium content in on-line monitoring water, error.
In order to realize the purpose of this utility model, the technical scheme that the utility model adopts is:
Design the total cadmium on-line computing model of heavy metal in a kind of water, comprise sampling unit, agent delivery unit, reaction member, monitoring device; Described reaction member comprises reaction cup, described monitoring device comprises primary controller, correspondence is arranged at optical receiver for being arranged at the detection light source in described reaction cup to reaction cup internal radiation at least one UV-lamp ultraviolet, correspondence and mating with described detection light source in described reaction cup, and described optical receiver is electrically connected via amplifying circuit is corresponding with described primary controller; Described sampling unit comprises sampling pump, strainer tube, the stoste storage silo that be communicated with corresponding to this sampling pump, one end of described strainer tube is corresponding with the feed liquor port of described sampling pump to be communicated with, the other end is closed, and to offer on the tube wall of described strainer tube be at least one water hole; Described agent delivery unit comprises at least one for holding the reagent solution storage silo of reagent solution and the reagent solution peristaltic pump that be communicated with corresponding to described reagent solution storage silo; Described reagent solution storage silo is communicated with via reagent solution peristaltic pump is corresponding with described reaction cup; Described stoste storage silo is communicated with via stoste peristaltic pump is corresponding with described reaction cup; Described reaction cup is made up of clear glass or suprasil.
Outside the tube wall of described strainer tube, be also enclosed with the first steel filter stratum reticulare, and be disposed with the second steel filter stratum reticulare, filter cloth stratum reticulare from the inside to the outside at the inwall of described strainer tube.
Described strainer tube is communicated with via flexible pipe is corresponding with described sampling pump.
Described monitoring device also comprises all corresponding with described the primary controller display screen, thermal printer, the output interface that are electrically connected.
Also correspondingly on the pipeline be communicated with between described sampling pump with described stoste storage silo be provided with flow sensor, described flow sensor connects via A/D converter is corresponding with described primary controller.
Described monitoring device also comprises all corresponding with described the primary controller clock chip, storage chip, the button group that connect.
Described storage chip is eprom memory; Described clock chip is DS1302 clock chip; Described primary controller comprises single-chip microcomputer; Described output interface is RS232 interface.
Also be provided with electric heating body in the inside bottom of described reaction cup, this electric heating body connects via the relay of correspondence is also corresponding with described primary controller; And and correspondence is provided with temperature sensor in described reaction cup, described temperature sensor connects via A/D converter is corresponding with described primary controller.
Be provided with the manifold trunk be communicated with this reaction cup inside the external wall of upper portion of described reaction cup is also corresponding, described reagent solution peristaltic pump is all communicated with described reaction cup via this manifold trunk.
Described UV-lamp is arranged on the straight warp of described reaction cup in opposite directions, and described UV-lamp connects via the relay of correspondence is also corresponding with described primary controller.
The beneficial effects of the utility model are:
1. by monitor of the present utility model, granule foreign in stoste can be avoided to affect the result of its detection, simultaneously also can improve serviceable life of the present utility model, and this monitor can be it and provides applicable temperature of reaction, to guarantee the accuracy of monitoring result when reagent and stoste react;
2. secondly, the utility model adopts the design of storage chip, clock chip and thermal printer, while result can being stored, also can directly print, be convenient to directly check, secondly the utility model also can will the results are shown on display screen, and the output interface also by its correspondence exports, and makes the result of this monitor to observe easily and to export.
3. the utility model also have simple to operate, automaticity is high, the advantage such as stable.
4. the utility model also has other advantages, will propose in the lump with corresponding embodiment in an embodiment.
Accompanying drawing explanation
Fig. 1 is the utility model primary structure principle schematic;
Fig. 2 is the strainer tube primary structure diagrammatic cross-section in the utility model;
Fig. 3 is monitoring device essential electrical principle schematic of the present utility model;
In figure: 1. strainer tube; 2. flexible pipe; 3. sampling pump; 4. flow sensor; 5. stoste storage silo; 6. stoste peristaltic pump; 7. manifold trunk; 8. reaction cup; 9. optical receiver; 10. UV-lamp; 11. electric heating bodies; 12. tapping valves; 13. residual night collecting bin; 14. detection light source; 15. first reagent solution peristaltic pumps; 16. first reagent solution storage silo; 17. second reagent solution storage silo; 18. the 3rd reagent solution storage silo; 19. the 3rd reagent solution peristaltic pumps; 20. second reagent solution peristaltic pumps; 21. first steel filter stratum reticulares; The tube wall of 22. strainer tubes; 23. water holes; 24. filter cloth stratum reticulares; 25. second steel filter stratum reticulares.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Embodiment 1: the total cadmium on-line computing model of heavy metal in a kind of water, see Fig. 1, Fig. 2, Fig. 3; It comprises sampling unit, agent delivery unit, reaction member, monitoring device; Described sampling unit comprises sampling pump 3, strainer tube 1, the stoste storage silo 5 that be communicated with corresponding to this sampling pump 3, one end of this strainer tube 1 is communicated with via flexible pipe 2 is corresponding with the feed liquor port of sampling pump 3, the other end is closed, and to offer on the tube wall of this strainer tube 1 be multiple water holes 23; Simultaneously, for carrying its filter effect, avoid large granular impurity to affect the accuracy of monitoring, outside the tube wall 22 of described strainer tube, be also enclosed with the first steel filter stratum reticulare 21, and be disposed with the second steel filter stratum reticulare 25, filter cloth stratum reticulare 24 from the inside to the outside at the inwall of described strainer tube 1.
Described agent delivery unit comprises three for holding the reagent solution storage silo of reagent solution, i.e. the first reagent solution storage silo, the second reagent solution storage silo, the 3rd reagent solution storage silo, and the first reagent solution peristaltic pump, second reagent solution peristaltic pump, the three reagent solution peristaltic pump that are communicated with corresponding to above-mentioned three reagent solution storage silo; Above-described first reagent solution storage silo, the second reagent solution storage silo, the 3rd reagent solution storage silo respectively via the first reagent solution peristaltic pump, the second reagent solution peristaltic pump, the 3rd reagent solution peristaltic pump is corresponding with manifold trunk 7 is communicated with; Described reaction member comprises reaction cup 8, and the endpiece of this manifold trunk correspondence is arranged on the external wall of upper portion of reaction cup 8, and is communicated with the inside of this reaction cup 8, above-described stoste storage silo 5 successively via stoste peristaltic pump 6, manifold trunk is corresponding with reaction cup 8 is communicated with; Described reaction cup 8 is made up of clear glass or suprasil.And 13 shown in figure is collecting bin at residual night, this, collecting bin 13 correspondingly with the bottom of reaction cup was communicated with at residual night, and on the pipeline that residual night, collecting bin was communicated with reaction cup, be also provided with tapping valve, and this tapping valve is corresponding with the primary controller of the following stated to be connected.
Described monitoring device comprises the primary controller, the correspondence that are made up of single-chip microcomputer and is arranged at optical receiver 9 for being arranged at the detection light source 14 in described reaction cup to two UV-lamp 10 of reaction cup internal radiation ultraviolet line, correspondence and mating with described detection light source 14 in described reaction cup, and described optical receiver 9 is electrically connected via amplifying circuit is corresponding with described primary controller; Described UV-lamp 10 is arranged on the straight warp of reaction cup 8 in opposite directions, and meanwhile, above-mentioned UV-lamp 10 connects via the relay of correspondence is also corresponding with primary controller.This monitoring device also comprises all corresponding with described the primary controller display screen, thermal printer, output interface, clock chip, storage chip, the button group that are electrically connected; Described storage chip is eprom memory; Described clock chip is DS1302 clock chip; Described output interface is RS232 interface.Display screen can by the real-time information of monitoring display on a display screen, the result of this monitoring can by above-mentioned real-time the printing of quick printer, also by above-mentioned RS232 interface, result is exported in host computer, and above-mentioned clock chip can provide real-time time for this monitoring device, and stored by the time of storage chip by the result of monitoring and correspondence.And described optical receiver, amplifying circuit are routine techniques in this area and near field, and be not innovation and creation of the present utility model points, the present embodiment no longer does the concrete annexation of its principle and primary controller and repeats further.Further, also correspondingly on the pipeline be communicated with between sampling pump 3 with described stoste storage silo 5 be provided with flow sensor 4, this flow sensor 4 connects via A/D converter is corresponding with primary controller, this flow sensor can monitoring stream through the amount of the stoste liquid to be detected of sampling pump, simultaneously, in order to improve the accuracy of this monitor monitoring result, in order to provide the temperature needed for reaction, also be provided with electric heating body 11 in the inside bottom of described reaction cup 8, this electric heating body 11 connects via the relay of correspondence is also corresponding with described primary controller; And and correspondence is provided with temperature sensor in described reaction cup, described temperature sensor connects via A/D converter is corresponding with described primary controller, with the temperature in Real-Time Monitoring reaction cup.
In force, primary controller controls sampling pump and extracts stoste, stoste is filtered by strainer tube, enter in stoste storage silo via sampling pump afterwards, primary controller is by controlling stoste peristaltic pump afterwards, 3rd reagent solution peristaltic pump, second reagent solution peristaltic pump, and first reagent solution peristaltic pump stoste and corresponding reagent quantitative are extracted and enter in reaction cup via manifold trunk, then electric heating body heating, and the temperature of mixed liquor in temperature sensor Real-Time Monitoring reaction cup, once reach the temperature of setting, stop heating, simultaneously, UV-lamp starts to irradiate, then monitor the mixing material that light source emits beam in irradiation reaction cup, and optical receiver receives the light after mixed liquor at the opposite side of reaction cup, and light signal is converted to electric signal, input on primary controller by amplifying circuit afterwards, primary controller monitors the content of cadmium in its liquid by the program mode that it is implanted into, display screen can by the real-time information of monitoring display on a display screen, the result of this monitoring can by above-mentioned real-time the printing of quick printer, also by above-mentioned RS232 interface, result is exported in host computer.
Although; what embodiment of the present utility model was announced is preferred embodiment; but be not limited thereto; those of ordinary skill in the art; very easily according to above-described embodiment, understand spirit of the present utility model, and make different amplifications and change; but only otherwise depart from spirit of the present utility model, all in protection domain of the present utility model.
Claims (10)
1. the total cadmium on-line computing model of heavy metal in water, comprises sampling unit, agent delivery unit, reaction member, monitoring device; Described reaction member comprises reaction cup (8), described monitoring device comprises primary controller, correspondence is arranged at optical receiver (9) for being arranged at the detection light source (14) in described reaction cup to ultraviolet at least one UV-lamp (10) of reaction cup internal radiation, correspondence and mating with described detection light source (14) in described reaction cup, and described optical receiver (9) is electrically connected via amplifying circuit is corresponding with described primary controller; It is characterized in that: described sampling unit comprises sampling pump (3), strainer tube (1), the stoste storage silo (5) that be communicated with corresponding to this sampling pump (3), one end of described strainer tube (1) is corresponding with the feed liquor port of described sampling pump (3) to be communicated with, the other end is closed, and to offer on the tube wall of described strainer tube (1) be at least one water hole (23); Described agent delivery unit comprises at least one for holding the reagent solution storage silo of reagent solution and the reagent solution peristaltic pump that be communicated with corresponding to described reagent solution storage silo; Described reagent solution storage silo is communicated with via reagent solution peristaltic pump is corresponding with described reaction cup (8); Described stoste storage silo (5) is communicated with via stoste peristaltic pump (6) is corresponding with described reaction cup (8); Described reaction cup (8) is made up of clear glass or suprasil.
2. the total cadmium on-line computing model of heavy metal in water as claimed in claim 1, it is characterized in that: outside the tube wall of described strainer tube (1), be also enclosed with the first steel filter stratum reticulare (21), and be disposed with the second steel filter stratum reticulare (25), filter cloth stratum reticulare (24) from the inside to the outside at the inwall of described strainer tube (1).
3. the total cadmium on-line computing model of heavy metal in water as claimed in claim 2, is characterized in that: described strainer tube (1) is communicated with via flexible pipe (2) is corresponding with described sampling pump (3).
4. the total cadmium on-line computing model of heavy metal in water as claimed in claim 1, is characterized in that: described monitoring device also comprises all corresponding with described the primary controller display screen, thermal printer, the output interface that are electrically connected.
5. the total cadmium on-line computing model of heavy metal in water as claimed in claim 4, it is characterized in that: also correspondingly on the pipeline be communicated with between described sampling pump (3) with described stoste storage silo (5) be provided with flow sensor (4), described flow sensor (4) connects via A/D converter is corresponding with described primary controller.
6. the total cadmium on-line computing model of heavy metal in water as claimed in claim 4, is characterized in that: described monitoring device also comprises all corresponding with described the primary controller clock chip, storage chip, the button group that connect.
7. the total cadmium on-line computing model of heavy metal in water as claimed in claim 6, is characterized in that: described storage chip is eprom memory; Described clock chip is DS1302 clock chip; Described primary controller comprises single-chip microcomputer; Described output interface is RS232 interface.
8. the total cadmium on-line computing model of heavy metal in water as claimed in claim 1, it is characterized in that: be also provided with electric heating body (11) in the inside bottom of described reaction cup (8), this electric heating body (11) connects via the relay of correspondence is also corresponding with described primary controller; And and correspondence is provided with temperature sensor in described reaction cup, described temperature sensor connects via A/D converter is corresponding with described primary controller.
9. the total cadmium on-line computing model of heavy metal in water as claimed in claim 1, it is characterized in that: described reaction cup (8) external wall of upper portion also correspondence be provided with and the manifold trunk (7) that is communicated with of this reaction cup (8) inside, described reagent solution peristaltic pump is all communicated with described reaction cup via this manifold trunk (7).
10. the total cadmium on-line computing model of heavy metal in water as claimed in claim 1, it is characterized in that: described UV-lamp (10) is arranged on the straight warp of described reaction cup (8) in opposite directions, described UV-lamp (10) connects via the relay of correspondence is also corresponding with described primary controller.
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| CN201420703757.2U CN204255865U (en) | 2014-11-21 | 2014-11-21 | The total cadmium on-line computing model of heavy metal in water |
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| CN201420703757.2U CN204255865U (en) | 2014-11-21 | 2014-11-21 | The total cadmium on-line computing model of heavy metal in water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796811A (en) * | 2017-11-22 | 2018-03-13 | 武汉净康源佳环保科技有限公司 | A kind of multi-parameter water quality monitor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796811A (en) * | 2017-11-22 | 2018-03-13 | 武汉净康源佳环保科技有限公司 | A kind of multi-parameter water quality monitor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 330000 Jiangxi city of Nanchang province Zhao Xian Zhen Dong Lu, Tianning Wanli District No. 707 Patentee after: JIANGXI SPRING & AUTUMN ENVIRONMENT CO.,LTD. Address before: 636 Sigma Business Center No. 330000 in Jiangxi Province, Nanchang city East Lake District Hongdu North Road 1007 room (tenth floor) Patentee before: JIANGXI XIA'S SPRING ENVIRONMENT INVESTMENT LTD. |
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| 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: 20150408 Termination date: 20211121 |