CN204128957U - A kind of automatic analyzer for analyzing COD in water quality, ammonia nitrogen, total phosphorus - Google Patents
A kind of automatic analyzer for analyzing COD in water quality, ammonia nitrogen, total phosphorus Download PDFInfo
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- CN204128957U CN204128957U CN201420577932.8U CN201420577932U CN204128957U CN 204128957 U CN204128957 U CN 204128957U CN 201420577932 U CN201420577932 U CN 201420577932U CN 204128957 U CN204128957 U CN 204128957U
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- flexible pipe
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- body valves
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Abstract
The utility model discloses a kind of for analyzing COD in water quality, ammonia nitrogen, the automatic analyzer of total phosphorus, comprise peristaltic pump, photoelectrometer buret, multi-center selection valve, apparatus for testing weeping, digestion tube, it is characterized in that: described peristaltic pump is connected with photoelectrometer buret by flexible pipe, described peristaltic pump is connected with apparatus for testing weeping by flexible pipe, described photoelectrometer buret is connected with multi-center selection valve by flexible pipe, described multi-center selection valve is connected with digestion tube by flexible pipe, described digestion tube is connected with apparatus for testing weeping by flexible pipe, described multi-center selection valve is ten communications and liaison body valves, described ten communications and liaison body valves are provided with a public port and nine points of road junctions, a wherein point road junction described in any one on described ten communications and liaison body valves is connected with described photoelectrometer buret by flexible pipe, a wherein point road junction described in any one on described ten communications and liaison body valves is connected with described digestion tube by flexible pipe, public port on described ten communications and liaison body valves is connected with waste liquid pool respectively by three flexible pipes, water sample pipe, cleaning fluid pipe, all the other point of road junction is all connected with reagent container by flexible pipe with described ten communications and liaison body valves.The utility model can complete the detection to COD, ammonia nitrogen and total phosphorus in water simultaneously, when cleaning sample cell, cleaning fluid can be added sample cell automatically, and do not need sample cell to take apart, thus achieve the function of cleaning automatically, there is the advantages such as structure is simple, easy to operate, easy to clean.
Description
Technical field
The utility model belongs to monitoring water quality on line field, specifically a kind of automatic analyzer for analyzing COD in water quality, ammonia nitrogen, total phosphorus.
Background technology
Along with the enhancing of people's environmental consciousness, water quality measurement seems more and more important.The project that water-quality test is analyzed is more, common are pH value, salt, ammonia nitrogen amount, thiocyanogen amount, dissolved oxygen amount and temperature etc.Existing Water Test Kits is by sensing probe and analyze display circuit composition, and ubiquitous problem is laboratory work, and namely a kind of analyser can only test a kind of index, cannot complete on-the-spot quick water-quality test analysis task accurately.And after analyser uses for a long time, sample cell may occur dirty, at this moment just needs to clean sample cell.Product in the past much all needs sample cell to take apart, and then inject cleaning fluid and clean, this work is both time-consuming, requires great effort again, and itself has danger due to some cleaning fluid, when operating, sometimes also can damage the person.
Utility model content
For solveing the technical problem, the utility model provides a kind of automatic analyzer for analyzing COD in water quality, ammonia nitrogen, total phosphorus of easy to clean, effectively can measure the COD, ammonia nitrogen, total phosphorus etc. in the aqueous solution of treated waste water, process water and surface water.
The technical solution adopted in the utility model is:
A kind of for analyzing COD in water quality, ammonia nitrogen, the automatic analyzer of total phosphorus, comprise peristaltic pump, photoelectrometer buret, multi-center selection valve, apparatus for testing weeping, digestion tube, it is characterized in that: described peristaltic pump is connected with photoelectrometer buret by flexible pipe, described peristaltic pump is connected with apparatus for testing weeping by flexible pipe, described photoelectrometer buret is connected with multi-center selection valve by flexible pipe, described multi-center selection valve is connected with digestion tube by flexible pipe, described digestion tube is connected with apparatus for testing weeping by flexible pipe, described multi-center selection valve is ten communications and liaison body valves, described ten communications and liaison body valves are provided with a public port and nine points of road junctions, a wherein point road junction described in any one on described ten communications and liaison body valves is connected with described photoelectrometer buret by flexible pipe, a wherein point road junction described in any one on described ten communications and liaison body valves is connected with described digestion tube by flexible pipe, public port on described ten communications and liaison body valves is connected with waste liquid pool respectively by three flexible pipes, water sample pipe, cleaning fluid pipe, all the other point of road junction is all connected with reagent container by flexible pipe with described ten communications and liaison body valves.
Described flexible pipe is fine Reagent Tube, and described fine Reagent Tube is fluorine plastic tube.
Public port on described ten communications and liaison body valves is equipped with electromagnetic switching valve with in the connecting hose on all the other point of road junction except point road junction being connected photoelectrometer buret, and the flexible pipe between described digestion tube and described apparatus for testing weeping is also provided with electromagnetic switching valve.
Ultimate principle of the present utility model:
COD ultimate principle: this instrument adopts pulse xenon lamp as light source, UV fiber spectrometer is as detecting device, can water quality pollutant absorption spectrum between Real-time Collection 200-800nm, utilize chemometrics algorithm technology to carry out real-time analysis to water quality pollutant content.
Ammonia nitrogen ultimate principle: react with the ammonia nitrogen of the form existence such as the ammonia of free state or ammonium ion and nessler reagent in water sample and generate light red brown complex compound, the absorbance of this complex compound is directly proportional to the amount of ammonia nitrogen, measures under wavelength 420nm.
Total phosphorus ultimate principle: in rare orthophosphate solution, ammonium molybdate generates molybdophosphate in acid condition, during containing vanadium, generates yellow vanadium molybdophosphate, can colorimetric estimation.
The beneficial effects of the utility model are:
The utility model can complete the detection to COD, ammonia nitrogen and total phosphorus in water simultaneously, when cleaning sample cell, cleaning fluid can be added sample cell automatically, and do not need sample cell to take apart, thus achieve the function of cleaning automatically, there is the advantages such as structure is simple, easy to operate, easy to clean.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of for analyzing COD in water quality, ammonia nitrogen, the automatic analyzer of total phosphorus, comprise peristaltic pump 1, photoelectrometer buret 2, multi-center selection valve, apparatus for testing weeping 4, digestion tube 5, it is characterized in that: described peristaltic pump 1 is connected with photoelectrometer buret 2 by flexible pipe, described peristaltic pump 1 is connected with apparatus for testing weeping 4 by flexible pipe, described photoelectrometer buret 2 is connected with multi-center selection valve by flexible pipe, described multi-center selection valve is connected with digestion tube 5 by flexible pipe, described digestion tube 5 is connected with apparatus for testing weeping 4 by flexible pipe, described multi-center selection valve is ten communications and liaison body valves 3, described ten communications and liaison body valves 3 are provided with a public port and nine points of road junctions, a wherein point road junction described in any one on described ten communications and liaison body valves 3 is connected with described photoelectrometer buret 2 by flexible pipe, a wherein point road junction described in any one on described ten communications and liaison body valves 3 is connected with described digestion tube 5 by flexible pipe, public port on described ten communications and liaison body valves 1 is connected with waste liquid pool respectively by three flexible pipes, water sample pipe, cleaning fluid pipe, all the other point of road junction is all connected with reagent container by flexible pipe with described ten communications and liaison body valves 3.
Described flexible pipe is fine Reagent Tube, and described fine Reagent Tube is fluorine plastic tube.
Public port on described ten communications and liaison body valves 3 is equipped with electromagnetic switching valve 6 with in the connecting hose on all the other point of road junction except point road junction being connected photoelectrometer buret 2, and the flexible pipe between described digestion tube 5 and described apparatus for testing weeping 4 is also provided with electromagnetic switching valve 6.
Claims (3)
1. one kind for analyzing COD in water quality, ammonia nitrogen, the automatic analyzer of total phosphorus, comprise peristaltic pump, photoelectrometer buret, multi-center selection valve, apparatus for testing weeping, digestion tube, it is characterized in that: described peristaltic pump is connected with photoelectrometer buret by flexible pipe, described peristaltic pump is connected with apparatus for testing weeping by flexible pipe, described photoelectrometer buret is connected with multi-center selection valve by flexible pipe, described multi-center selection valve is connected with digestion tube by flexible pipe, described digestion tube is connected with apparatus for testing weeping by flexible pipe, described multi-center selection valve is ten communications and liaison body valves, described ten communications and liaison body valves are provided with a public port and nine points of road junctions, a wherein point road junction described in any one on described ten communications and liaison body valves is connected with described photoelectrometer buret by flexible pipe, a wherein point road junction described in any one on described ten communications and liaison body valves is connected with described digestion tube by flexible pipe, public port on described ten communications and liaison body valves is connected with waste liquid pool respectively by three flexible pipes, water sample pipe, cleaning fluid pipe, all the other point of road junction is all connected with reagent container by flexible pipe with described ten communications and liaison body valves.
2. a kind of automatic analyzer for analyzing COD in water quality, ammonia nitrogen, total phosphorus according to claim 1, it is characterized in that: described flexible pipe is fine Reagent Tube, described fine Reagent Tube is fluorine plastic tube.
3. a kind of automatic analyzer for analyzing COD in water quality, ammonia nitrogen, total phosphorus according to claim 1, it is characterized in that: the public port on described ten communications and liaison body valves is equipped with electromagnetic switching valve with in the connecting hose on all the other point of road junction except point road junction being connected photoelectrometer buret, and the flexible pipe between described digestion tube and described apparatus for testing weeping is also provided with electromagnetic switching valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420577932.8U CN204128957U (en) | 2014-10-08 | 2014-10-08 | A kind of automatic analyzer for analyzing COD in water quality, ammonia nitrogen, total phosphorus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420577932.8U CN204128957U (en) | 2014-10-08 | 2014-10-08 | A kind of automatic analyzer for analyzing COD in water quality, ammonia nitrogen, total phosphorus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204128957U true CN204128957U (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420577932.8U Active CN204128957U (en) | 2014-10-08 | 2014-10-08 | A kind of automatic analyzer for analyzing COD in water quality, ammonia nitrogen, total phosphorus |
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| CN (1) | CN204128957U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004687A (en) * | 2015-07-16 | 2015-10-28 | 江苏大学 | Constant-volume liquid feeding metering method and device for COD detection |
| CN106226294A (en) * | 2016-06-24 | 2016-12-14 | 杭州叮咚净水科技有限公司 | Water quality detecting device and detection method towards household water purification system |
| CN106970072A (en) * | 2017-02-24 | 2017-07-21 | 通标标准技术服务（天津）有限公司 | The device for fast detecting and its detection method of Organic pesticide residues in agricultural product |
-
2014
- 2014-10-08 CN CN201420577932.8U patent/CN204128957U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004687A (en) * | 2015-07-16 | 2015-10-28 | 江苏大学 | Constant-volume liquid feeding metering method and device for COD detection |
| CN105004687B (en) * | 2015-07-16 | 2017-07-18 | 江苏大学 | A kind of constant volume feed liquor metering method and device for COD detections |
| CN106226294A (en) * | 2016-06-24 | 2016-12-14 | 杭州叮咚净水科技有限公司 | Water quality detecting device and detection method towards household water purification system |
| CN106970072A (en) * | 2017-02-24 | 2017-07-21 | 通标标准技术服务（天津）有限公司 | The device for fast detecting and its detection method of Organic pesticide residues in agricultural product |
| CN106970072B (en) * | 2017-02-24 | 2019-04-23 | 通标标准技术服务（天津）有限公司 | The device for fast detecting and its detection method of Organic pesticide residues in agricultural product |
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| GR01 | Patent grant |