CN204514797U - A kind of online CODcr Analytical system being applicable to high chlorine sewage - Google Patents
A kind of online CODcr Analytical system being applicable to high chlorine sewage Download PDFInfo
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- CN204514797U CN204514797U CN201520117441.XU CN201520117441U CN204514797U CN 204514797 U CN204514797 U CN 204514797U CN 201520117441 U CN201520117441 U CN 201520117441U CN 204514797 U CN204514797 U CN 204514797U
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Abstract
The utility model discloses a kind of online CODcr Analytical system being applicable to high chlorine sewage, comprise colorimetric unit, unit is cleared up in isothermal reaction, titration unit, photoelectric level monitoring means, data monitoring processing unit, display translation unit, data transmission unit, also comprise sample collection control module, control module, adjuvant and dilution control module, sample collection control module connects colorimetric unit, adjuvant and dilution control module connect titration unit, control module Quality control gathers control module and adjuvant and dilution control module, photoelectric level monitoring means comprises the LED of wavelength 600nm and the photodetector one of correspondence, the LED of wavelength 440nm and the photodetector two of correspondence, the glass tube of holding liquid.The utility model employing 440nm and 600nmLED lamp realizes the measurement of the high chlorine turbidity of sewage after constant temperature digestion, and then is converted into the calculating of chemical oxygen demand (COD), and measuring accuracy is high.
Description
Technical field
The utility model belongs to water quality detection apparatus field, is specifically related to a kind of online CODcr Analytical system being applicable to high chlorine sewage.
Background technology
What chemical oxygen demand (COD) (COD/Chemical Oxygen Demand) represented is organic content in waste water, it is the important indicator weighing polluted by reducing substances degree in water quality, in order to detect quality of water environment, the COD value of timely detection water environment, must have advanced COD on-Line Monitor Device.Water-quality COD cr on-line checkingi device traditional on market adopts 600m single band light, and its shortcoming is cannot the measuring error that causes of check sample turbidity and colourity, cannot be applied to the measurement of low concentration, there is the problems such as detection limit is higher.
Utility model content
The utility model, for prior art problems faced, proposes a kind of online CODcr Analytical system being applicable to high chlorine sewage.
The technical solution adopted in the utility model is as follows:
A kind of online CODcr Analytical system being applicable to high chlorine sewage, comprise colorimetric unit, unit is cleared up in isothermal reaction, titration unit, photoelectric level monitoring means, data monitoring processing unit, display translation unit, data transmission unit, described colorimetric unit connects isothermal reaction and clears up unit, described isothermal reaction is cleared up unit output terminal and is connected titration unit, described titration unit connects photoelectric level monitoring means, described photoelectric level monitoring means output terminal connection data monitoring processing unit, described data monitoring processing unit output terminal connects display translation unit and data transmission unit, it is characterized in that: also comprise sample collection control module, control module, adjuvant and dilution control module, described sample collection control module connects colorimetric unit, described adjuvant and dilution control module connect titration unit, described control module Quality control gathers control module and adjuvant and dilution control module, described photoelectric level monitoring means comprises the LED of wavelength 600nm and the photodetector one of correspondence, the LED of wavelength 440nm and the photodetector two of correspondence, the glass tube of holding liquid.
Described colorimetric unit comprises comparator block and tunable laser.
Described sample collection control module comprises peristaltic pump one and connects and peristaltic pump one control circuit, high chlorine sewage fluid reservoir one, and high chlorine sewage is pumped into colorimetric pool by described peristaltic pump one under the control action of control circuit.
Described adjuvant and dilution control module comprise distilled water liquid storage bottle, sulfuric acid-mercuric sulfate liquid storage bottle and potassium dichromate liquid storage bottle, and the automatically controlled multiple valve group be connected with each liquid storage bottle, described multiple valve group is controlled by control module.
Described control module is STM32F103RBT6 chip, is describedly provided with RS485 communicating circuit and protection circuit for STM32F103RBT6 chip periphery.
Described display translation unit is LCD liquid crystal display.
Described data transmission unit comprises RS-485 wire communication unit and wireless transmission unit.
The beneficial effects of the utility model are embodied in:
The utility model employing 440nm and 600nmLED lamp realizes the measurement of the high chlorine turbidity of sewage after constant temperature digestion, and then is converted into the calculating of chemical oxygen demand (COD), and measuring accuracy is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: 1, blower fan; 2, suction fan; 3, the drying duct of class Great Wall shape; 4, charging aperture; 5, air inlet; 6, discharging opening; 7, air outlet.
Embodiment
As shown in Figure 1, a kind of online CODcr Analytical system being applicable to high chlorine sewage, comprise colorimetric unit 1, unit 2 is cleared up in isothermal reaction, titration unit 3, photoelectric level monitoring means 4, data monitoring processing unit 5, display translation unit 6, data transmission unit 7, described colorimetric unit 1 connects isothermal reaction and clears up unit 2, described isothermal reaction is cleared up unit 2 output terminal and is connected titration unit 3, described titration unit 3 connects photoelectric level monitoring means 4, described photoelectric level monitoring means 4 output terminal connection data monitoring processing unit 5, described data monitoring processing unit 5 output terminal connects display translation unit 6 and data transmission unit 7, also comprise sample collection control module 8, control module 9, adjuvant and dilution control module 10, described sample collection control module 8 connects colorimetric unit, described adjuvant and dilution control module 10 connect titration unit 3, described control module 9 Quality control gathers control module 8 and adjuvant and dilution control module 10, described photoelectric level monitoring means 4 comprises the LED of wavelength 600nm and the photodetector one of correspondence, the LED of wavelength 440nm and the photodetector two of correspondence, the glass tube of holding liquid.
Described colorimetric unit 2 comprises comparator block and tunable laser.
Described sample collection control module 8 comprises peristaltic pump one and connects and peristaltic pump one control circuit, high chlorine sewage fluid reservoir 1, and high chlorine sewage is pumped into colorimetric pool by described peristaltic pump one under the control action of control circuit.
Described adjuvant and dilution control module 10 comprise distilled water liquid storage bottle 12, sulfuric acid-mercuric sulfate liquid storage bottle 13 and potassium dichromate liquid storage bottle 14, the automatically controlled multiple valve group 15 be connected with each liquid storage bottle, described multiple valve group 15 accesses titration unit 3, and described multiple valve group 15 is controlled by control module 9.
Described control module is STM32F103RBT6 chip, is describedly provided with RS485 communicating circuit and protection circuit for STM32F103RBT6 chip periphery.
Described display translation unit is LCD liquid crystal display.
Described data transmission unit comprises RS-485 wire communication unit and wireless transmission unit.
Claims (7)
1. one kind is applicable to the online CODcr Analytical system of high chlorine sewage, comprise colorimetric unit, unit is cleared up in isothermal reaction, titration unit, photoelectric level monitoring means, data monitoring processing unit, display translation unit, data transmission unit, described colorimetric unit connects isothermal reaction and clears up unit, described isothermal reaction is cleared up unit output terminal and is connected titration unit, described titration unit connects photoelectric level monitoring means, described photoelectric level monitoring means output terminal connection data monitoring processing unit, described data monitoring processing unit output terminal connects display translation unit and data transmission unit, it is characterized in that: also comprise sample collection control module, control module, adjuvant and dilution control module, described sample collection control module connects colorimetric unit, described adjuvant and dilution control module connect titration unit, described control module Quality control gathers control module and adjuvant and dilution control module, described photoelectric level monitoring means comprises the LED of wavelength 600nm and the photodetector one of correspondence, the LED of wavelength 440nm and the photodetector two of correspondence, the glass tube of holding liquid.
2. a kind of online CODcr Analytical system being applicable to high chlorine sewage according to claim 1, is characterized in that: described colorimetric unit comprises comparator block and tunable laser.
3. a kind of online CODcr Analytical system being applicable to high chlorine sewage according to claim 1, it is characterized in that: described sample collection control module comprises peristaltic pump one and connects and peristaltic pump one control circuit, high chlorine sewage fluid reservoir one, and high chlorine sewage is pumped into colorimetric pool by described peristaltic pump one under the control action of circuit.
4. a kind of online CODcr Analytical system being applicable to high chlorine sewage according to claim 1, it is characterized in that: described adjuvant and dilution control module connect and comprise distilled water liquid storage bottle, sulfuric acid-mercuric sulfate liquid storage bottle and potassium dichromate liquid storage bottle, the automatically controlled multiple valve group be connected with each liquid storage bottle, described multiple valve group is controlled by control module.
5. a kind of online CODcr Analytical system being applicable to high chlorine sewage according to claim 1; it is characterized in that: described control module is STM32F103RBT6 chip, be describedly provided with RS485 communicating circuit and protection circuit for STM32F103RBT6 chip periphery.
6. a kind of online CODcr Analytical system being applicable to high chlorine sewage according to claim 1, is characterized in that: described display translation unit is LCD liquid crystal display.
7. a kind of online CODcr Analytical system being applicable to high chlorine sewage according to claim 1, is characterized in that: described data transmission unit comprises RS-485 wire communication unit and wireless transmission unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520117441.XU CN204514797U (en) | 2015-02-27 | 2015-02-27 | A kind of online CODcr Analytical system being applicable to high chlorine sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520117441.XU CN204514797U (en) | 2015-02-27 | 2015-02-27 | A kind of online CODcr Analytical system being applicable to high chlorine sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204514797U true CN204514797U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520117441.XU Expired - Fee Related CN204514797U (en) | 2015-02-27 | 2015-02-27 | A kind of online CODcr Analytical system being applicable to high chlorine sewage |
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| CN (1) | CN204514797U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109254112A (en) * | 2018-11-07 | 2019-01-22 | 武汉中粮食品科技有限公司 | A kind of COD of sewage rapid detection method |
| CN113281332A (en) * | 2021-05-21 | 2021-08-20 | 湘南学院 | Chinese-medicinal material sulfur dioxide short-term test appearance |
-
2015
- 2015-02-27 CN CN201520117441.XU patent/CN204514797U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109254112A (en) * | 2018-11-07 | 2019-01-22 | 武汉中粮食品科技有限公司 | A kind of COD of sewage rapid detection method |
| CN113281332A (en) * | 2021-05-21 | 2021-08-20 | 湘南学院 | Chinese-medicinal material sulfur dioxide short-term test appearance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20170227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |