CN205280580U - COD and ammonia nitrogen multi -parameter on -line monitoring device and system thereof - Google Patents
COD and ammonia nitrogen multi -parameter on -line monitoring device and system thereof Download PDFInfo
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Abstract
The utility model relates to a water on -line environment monitoring device and monitoring system. A COD and ammonia nitrogen multi -parameter on -line monitoring device, the device includes clearing up ultraviolet LED, infrared LED and the visible light LED that pond X axle direction one side set up, ultraviolet photoelectric detector and first visible infrared photoelectric detector that set up at X axle direction opposite side, first visible infrared photodetector gather the transmitted light source signal that infrared LED and visible light LED sent, set up the visible infrared photodetector of second clearing up pond y axle direction, infrared scattered light source signal that the infrared LED of the visible infrared photodetector collection of second sent. The utility model provides a reliable detection device and system monitor COD and ammonia nitrogen in same water sample, simultaneously, measure through the turbidity, compensate COD and ammonia nitrogen measured value.
Description
Technical field
The present invention relates to a kind of water surrounding on-Line Monitor Device and system thereof and monitoring method.
Background technology
Chemical oxygen demand (COD) (COD) and ammonia nitrogen are the leading indicators in environment monitoring, traditional monitoring method needs two independent covering devices chemical oxygen demand (COD) (COD) and ammonia nitrogen index to be monitored respectively, both improve monitoring cost, also cannot ensure that the water sample in two covering devices is completely the same, cause COD monitoring data and NH 3 data complete can not reflect the water quality situation in a certain monitoring moment objectively.
Summary of the invention
In order to solve the deficiency of existing apparatus, first object of the present invention is to provide a kind of COD and ammonia nitrogen multiparameter on-Line Monitor Device, and this device is reliably strong, in same water sample, COD and ammonia nitrogen can be monitored, meanwhile, by turbidimetry, COD and ammonia nitrogen observed value are compensated. 2nd object of the present invention is to provide the system adopting above-mentioned monitoring device. 3rd object of the present invention is to provide the monitoring method adopting said system.
In order to realize above-mentioned first object, present invention employs following technical scheme:
A kind of COD and ammonia nitrogen multiparameter on-Line Monitor Device, this device is included in ultraviolet LED, infrared LED and the visible LED that side, digestion pool X-axis direction is arranged, the UV photodetector arranged in another side, X-axis direction and the first visible infrared electricity detector, the transmission light signal that the first described visible infrared electricity detector collection infrared LED and visible LED send, arrange the 2nd visible infrared electricity detector in digestion pool y-axis direction, the 2nd visible infrared electricity detector gathers the ir scattering light signal that infrared LED sends.
As preferably, described ultraviolet LED is characteristic wavelength is the light source of 275nm.
As preferably, described infrared LED is characteristic wavelength is the light source of 880nm.
As preferably, described visible LED is characteristic wavelength is the light source of 660nm.
In order to realize above-mentioned the 2nd object, present invention employs following technical scheme:
A kind of COD and ammonia nitrogen multiparameter on-line monitoring system, this system comprises the monitoring device of any one technical scheme above-mentioned, digestion pool and Controlling System, described UV photodetector, the first visible infrared electricity detector and the 2nd visible infrared electricity detector are connected to Controlling System respectively for transmitting data, and described ultraviolet LED, infrared LED and visible LED are connected to Controlling System respectively LED opens and closes for controlling.
In order to realize above-mentioned the 3rd object, present invention employs following technical scheme:
A kind of COD and ammonia nitrogen multiparameter on-line monitoring method, the system described in the method employing, comprises the following steps:
1) enter digestion pool, do not cross 1/3 place of whole digestion pool;
2) start ultraviolet LED, close infrared LED and visible LED, carry out signals collecting by UV photodetector, obtain ultraviolet absorptivity;
3) start infrared LED, close ultraviolet LED and visible LED, carry out signals collecting by the first visible infrared electricity detector and the 2nd visible infrared electricity detector, obtain infrared transmission absorbancy and ir scattering absorbancy respectively, obtain water sample turbidity;
4) after ultraviolet absorptivity being removed ir scattering absorbancy and infrared transmission absorbancy, obtain water sample COD monitoring value, and convert and obtain TOC and BOD value;
5) all LED are closed;
6) according to the mensuration Berthelot spectrophotometry HJ535 2009 of Water quality ammonia nitrogen, digestion pool is injected reagent and reacting by heating by order;
7) start visible LED, close infrared LED and ultraviolet LED, carry out signals collecting by the first visible infrared electricity detector, obtain visible ray absorbancy;
8) infrared LED is started, close visible LED and ultraviolet LED, carry out signals collecting by the 2nd visible infrared electricity detector and the first visible infrared electricity detector, obtain ir scattering absorbancy and infrared transmission absorbancy respectively, obtain mixing solutions turbidity;
9), after visible ray absorbancy is removed ir scattering absorbancy and infrared transmission absorbancy, water sample ammonia nitrogen monitoring value is obtained.
The present invention overcomes the defect of existing apparatus, it is provided that one detects device, system and method reliably, COD and ammonia nitrogen is monitored in same water sample, meanwhile, by turbidimetry, COD and ammonia nitrogen observed value is compensated. It is applicable to COD and the ammonia nitrogen multiparameter on-line monitoring of surface water, underground water and discharge trade effluent.
Accompanying drawing explanation
Fig. 1 is the structure signal of the present invention.
Fig. 2 is the structural representation of X-axis, y-axis.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
A kind of COD as shown in Figure 1 and Figure 2 and ammonia nitrogen multiparameter on-Line Monitor Device, this device is included in ultraviolet LED 2, infrared LED 4 and the visible LED 7 that digestion pool 1X direction of principal axis side is arranged, described ultraviolet LED 2 for characteristic wavelength be the light source of 275nm, described infrared LED 4 for characteristic wavelength be the light source of 880nm, described visible LED 7 for characteristic wavelength be the light source of 660nm. The UV photodetector 3 arranged in another side, X-axis direction and the first visible infrared electricity detector 6, the transmission light signal that described first visible infrared electricity detector 6 gathers infrared LED 4 and visible LED 7 sends, 2nd visible infrared electricity detector the 5, two visible infrared electricity detector 5 is set at digestion pool 1y direction of principal axis and gathers the ir scattering light signal that infrared LED 4 sends.
A kind of COD and ammonia nitrogen multiparameter on-line monitoring system, this system comprises the monitoring device of above-mentioned, digestion pool 1 and Controlling System, described UV photodetector 3, first visible infrared electricity detector 6 and the 2nd visible infrared electricity detector 5 are connected to Controlling System respectively for transmitting data, and described ultraviolet LED 2, infrared LED 4 and visible LED 7 are connected to Controlling System respectively LED opens and closes for controlling.
A kind of COD and ammonia nitrogen multiparameter on-line monitoring method, the method comprises the following steps:
1) enter digestion pool 1, do not cross 1/3 place of whole digestion pool 1;
2) start ultraviolet LED 2, close infrared LED 4 and visible LED 7, carry out signals collecting by UV photodetector, obtain ultraviolet absorptivity;
3) infrared LED 4 is started, close ultraviolet LED 2 and visible LED 7, carry out signals collecting by the first visible infrared electricity detector 6 and the 2nd visible infrared electricity detector 5, obtain infrared transmission absorbancy and ir scattering absorbancy respectively, obtain water sample turbidity;
4) after ultraviolet absorptivity being removed ir scattering absorbancy and infrared transmission absorbancy, obtain water sample COD monitoring value, and convert and obtain TOC and BOD value;
5) all LED are closed;
6) according to the mensuration Berthelot spectrophotometry HJ535 2009 of Water quality ammonia nitrogen, digestion pool 1 is injected reagent and reacting by heating by order;
7) start visible LED 7, close infrared LED 4 and ultraviolet LED 2, carry out signals collecting by the first visible infrared electricity detector 6, obtain visible ray absorbancy;
8) infrared LED 4 is started, close visible LED 7 and ultraviolet LED 2, carry out signals collecting by the 2nd visible infrared electricity detector 5 and the first visible infrared electricity detector 6, obtain ir scattering absorbancy and infrared transmission absorbancy respectively, obtain mixing solutions turbidity;
9), after visible ray absorbancy is removed ir scattering absorbancy and infrared transmission absorbancy, water sample ammonia nitrogen monitoring value is obtained.
Claims (5)
1. a COD and ammonia nitrogen multiparameter on-Line Monitor Device, it is characterized in that this device is included in the ultraviolet LED (2) of side, digestion pool (1) X-axis direction setting, infrared LED (4) and visible LED (7), the UV photodetector (3) arranged in another side, X-axis direction and the first visible infrared electricity detector (6), the transmission light signal that the first described visible infrared electricity detector (6) collection infrared LED (4) and visible LED (7) send, 2nd visible infrared electricity detector (5) is set in digestion pool (1) y-axis direction, 2nd visible infrared electricity detector (5) gathers the ir scattering light signal that infrared LED (4) sends.
2. a kind of COD according to claim 1 and ammonia nitrogen multiparameter on-Line Monitor Device, it is characterised in that ultraviolet LED (2) for characteristic wavelength be the light source of 275nm.
3. a kind of COD according to claim 1 and ammonia nitrogen multiparameter on-Line Monitor Device, it is characterised in that infrared LED (4) for characteristic wavelength be the light source of 880nm.
4. a kind of COD according to claim 1 and ammonia nitrogen multiparameter on-Line Monitor Device, it is characterised in that visible LED (7) for characteristic wavelength be the light source of 660nm.
5. a COD and ammonia nitrogen multiparameter on-line monitoring system, it is characterized in that: this system comprises the monitoring device described in Claims 1 to 4 any one claim, digestion pool (1) and Controlling System, described UV photodetector (3), the first visible infrared electricity detector (6), the 2nd visible infrared electricity detector (5) are connected to Controlling System respectively for transmitting data, and described ultraviolet LED (2), infrared LED (4) and visible LED (7) are connected to Controlling System respectively for controlling LED opening and closing.
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| CN201520898789.7U CN205280580U (en) | 2015-11-12 | 2015-11-12 | COD and ammonia nitrogen multi -parameter on -line monitoring device and system thereof |
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| CN201520898789.7U CN205280580U (en) | 2015-11-12 | 2015-11-12 | COD and ammonia nitrogen multi -parameter on -line monitoring device and system thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259128A (en) * | 2015-11-12 | 2016-01-20 | 浙江微兰环境科技有限公司 | COD and ammonia nitrogen multiparameter online monitoring device and system |
| CN106596438A (en) * | 2016-12-31 | 2017-04-26 | 郑州贯奥仪器仪表有限公司 | Intellectualized and portable water quality testing meter |
| CN109470640A (en) * | 2018-12-14 | 2019-03-15 | 北京华易明新科技有限公司 | A kind of lubricating oil multiple determination probe based on Visible-to-Near InfaRed absorption spectrum |
-
2015
- 2015-11-12 CN CN201520898789.7U patent/CN205280580U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259128A (en) * | 2015-11-12 | 2016-01-20 | 浙江微兰环境科技有限公司 | COD and ammonia nitrogen multiparameter online monitoring device and system |
| CN106596438A (en) * | 2016-12-31 | 2017-04-26 | 郑州贯奥仪器仪表有限公司 | Intellectualized and portable water quality testing meter |
| CN109470640A (en) * | 2018-12-14 | 2019-03-15 | 北京华易明新科技有限公司 | A kind of lubricating oil multiple determination probe based on Visible-to-Near InfaRed absorption spectrum |
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