CN202916190U - Chemical oxygen demand online ultraviolet light detection device for wastewater treatment - Google Patents
Chemical oxygen demand online ultraviolet light detection device for wastewater treatment Download PDFInfo
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- CN202916190U CN202916190U CN 201220559183 CN201220559183U CN202916190U CN 202916190 U CN202916190 U CN 202916190U CN 201220559183 CN201220559183 CN 201220559183 CN 201220559183 U CN201220559183 U CN 201220559183U CN 202916190 U CN202916190 U CN 202916190U
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Abstract
The utility model relates to wastewater treatment, in particular to a chemical oxygen demand online ultraviolet detection device for wastewater treatment. An ultraviolet light detection unit (7) comprises a detection light source (10), an interference filter (701), a dispersion prism (702), a first collimated optical circuit (703), a second collimated optical circuit (706), a treating water detection cell (704), a standard water detection cell (707), a treating water detection photoelectric tube (705) and a standard water detection photoelectric tube (708). After the detection light source (10) passes through the interference filter (701), light with other wavelengths is absorbed, ultraviolet light with wavelength of 257 nm is only allowed to pass through and is divided into two paths of ultraviolet light after passing through the dispersion prism (702), which are 50 percent respectively; and the two paths of ultraviolet light pass through the first collimated optical circuit (703) and the second collimated optical circuit (706) and are collimated into two beams of light, which respectively radiate into the treating water detection cell (704) and the standard water detection cell (707).
Description
The utility model is dividing an application to chemical oxygen level COD on-line measurement device in applying date 2012-10-19, application number 2012205369324, the invention and created name wastewater treatment.
Technical field
The utility model relates to the online ultraviolet light pick-up unit of chemical oxygen level in a kind of wastewater treatment, particularly wastewater treatment.
Background technology
Organism in the water has good absorption to the ultraviolet light on the wavelength 221 nm-330nm wave bands, can have indirectly to reach by the detection to absorbance and detect chemical oxygen level COD measurement in the water.Yet owing to having a small amount of suspension in the wastewater treatment later stage water, affected the precision of optical measurement, because the sewage speciality is different, affected to a certain extent chemical oxygen level COD measuring accuracy in the water on the other hand.
In order to address this is that, existing method is that a wavelength is benchmark by the impact by the moving suspension of double wave regular way elimination ripples, and another wavelength detects, and reaches to improve chemical oxygen level COD measuring accuracy.
The utility model content
The purpose of this utility model provides the online ultraviolet light pick-up unit of chemical oxygen level in the high wastewater treatment of a kind of precision.
The purpose of this utility model is to realize like this, the online ultraviolet light pick-up unit of chemical oxygen level in the wastewater treatment, it is characterized in that: the ultraviolet light detecting unit comprises detection light source, interference filter, Amici prism, the first collimated light path, the second collimated light path, process the water detection cell, the standard water detection cell, process water and detect photoelectric tube, standard water detects photoelectric tube, detection light source is by behind the interference filter, absorb the light of its commplementary wave length, only allow the ultraviolet light of 257 wavelength pass through, the ultraviolet light of 257 wavelength is divided into two-way by Amici prism, two-way each point 50%, two-way light is collimated into tiny light beam by the first collimated light path and the second collimated light path, enter respectively and process water detection cell and standard water detection cell, processing water detection cell and standard water detection cell opposite side has respectively the water of processing to detect photoelectric tube and standard water detection photoelectric tube, process water and detect the transmittance that photocell detection is processed water, standard water detects the transmittance of photocell detection standard water, controller carries out data analysis to standard water and processing water, computation of table lookup obtains processing the real-time COD amount of water, and the result sends to the pulpit.
Described standard water detection cell is divided into the transparent pond of many groups, the transparent pond of many groups is around the axle circle distribution in the body of pond, ultraviolet light sees through different transparent ponds and has different testing results, transparent pond is the water quality that detects the various process water treatment that obtains by standard C OD detecting device, the uv transmittance data-storing in different transparent ponds is in database, to comparing with it when the transmittance of processing water, can obtain corresponding COD detected value.
Described controller is to be made of a Programmable Logic Controller, Programmable Logic Controller is connected with keyboard, display, the first motor-drive circuit, the second motor-drive circuit, processes water detection photoelectric tube amplifying circuit, standard water detection photoelectric tube amplifying circuit and valve control, drive the first motor-drive circuit and the second motor-drive circuit by control, make the position that filtering net and transparent pond are in to be needed; The signal that detects photoelectric tube amplifying circuit, standard water detection photoelectric tube amplifying circuit to processing water is simultaneously processed, and the result is sent to master-control room by communication port.
Principle of work of the present utility model is: the prime sewage disposal device is processed sewage, chemical oxygen level COD to water quality detects by standard C OD detector, to a producer, water quality characteristic has certain repeatability, and this just provides resource for us for accurate continuous detecting or gap detection chemistry oxygen level COD is achieved.Standard water quality and quantity-produced disposed of sewage to be compared, and obtains the result.
The utility model is owing to having increased filtrator and the water level fluctuation wave absorption plate in early stage, reduced on the one hand the amount of suspension in the water, compare detection by standard water quality on the other hand, effectively really taken suspension and different quality to detecting the impact of easy formation, greatly improved accuracy of detection.
Description of drawings
The utility model is described in further detail below in conjunction with the embodiment accompanying drawing:
Fig. 1 is the utility model example structure schematic diagram;
Fig. 2 is filtrator 8 structural representations;
Fig. 3 is ultraviolet light detecting unit 7 structural representations;
Fig. 4 is standard water detection cell 707 structural representations;
Fig. 5 is embodiment one structural representation of controller 12;
Fig. 6 is embodiment two structural representations of controller 12;
Fig. 7 is embodiment three structural representations of controller 12.
Among the figure: 1, sewage; 2, prime sewage disposal device; 3, T-valve; 4, the first ball valve; 5, water collecting basin; 6, water level fluctuation wave absorption plate; 7, ultraviolet light detecting unit; 701, interference filter; 702, Amici prism; 703, the first collimated light path; 704, process the water detection cell; 705, process water and detect photoelectric tube; 706, the second collimated light path; 707, standard water detection cell; 7071, pond body; 7072, around axle; 7073, organize transparent pond more; 708, standard water detects photoelectric tube; 8, filtrator; 801, axle; 802, filter circle; 803, screen pack; 804, seal groove; 9, shunting detection cell; 10, detection light source; 11, the second ball valve; 12, controller; 1201, communication port; 1202, display; 1203, Programmable Logic Controller; 1204, keyboard; 1205, power supply; 1206, valve control; 1207, process water and detect the photoelectric tube amplifying circuit; 1208, standard water detects the photoelectric tube amplifying circuit; 1209, the first motor-drive circuit; 1210, the second motor-drive circuit; 1211, flow detection unit; 1212, gsm communication module.
Embodiment
As shown in Figure 1, the online ultraviolet light pick-up unit of chemical oxygen level in the wastewater treatment, comprise prime sewage disposal device 2 and ultraviolet light detecting unit 7, sewage 1 is introduced prime sewage disposal device 2 by pipeline, be divided into two-way by T-valve 3 after prime sewage disposal device 2 is processed, the first via controls to water collecting basin 5 by the first ball valve 4; The second the tunnel filters rear arriving by 8 pairs of suspensions of filtrator shunts detection cell 9, shunting detection cell 9 is by being diverted to ultraviolet light detecting unit 7, processing water after 7 pairs of ultraviolet light detecting units filter by filtrator 8 carries out COD to be measured, and the water after the measurement is sneaked into water collecting basin 5 after by the second ball valve 11.
As shown in Figure 2, filtrator 8 is the type rotary shaft structure, and the screen pack 803 in the filtrator 8 is divided into four groups, and along axle 801 circle distribution, axle 801 rotates, on the rotation axial organ.Water after prime sewage disposal device 2 is processed filters by screen pack 803, screen pack 803 is divided into four groups of rotations, the timesharing on four groups of screen packs of water after the processing is passed through, and screen pack 803 is the releasable structure, is convenient for changing and scavenger precipitation sediment on the net.When axle 801 when the deceleration of speed reduction unit is rotated, when rotating a circle such as one hour, replaceable to not entering the screen pack that filters the pool.Each group screen pack sinks in the filter circle 802, is sealed by seal groove 804 between the screen pack.
As shown in Figure 3, ultraviolet light detecting unit 7 comprises light source 10, interference filter 701, Amici prism 702, the first collimated light path 703, the second collimated light path 706, process water detection cell 704, standard water detection cell 707, process water and detect photoelectric tube 705, standard water detects photoelectric tube 708, light source 10 is by behind the interference filter 701, absorb the light of its commplementary wave length, only allow the ultraviolet light of 257 wavelength pass through, the ultraviolet light of 257 wavelength is divided into two-way by Amici prism 702, two-way each point 50%, two-way light is collimated into tiny light beam by the first collimated light path 703 and the second collimated light path 706, enter respectively and process water detection cell 704 and standard water detection cell 707, processing water detection cell 704 and standard water detection cell 707 opposite sides has respectively the water of processing to detect photoelectric tube 705 and standard water detection photoelectric tube 708, process the transmittance that water detects photoelectric tube 705 Check processing water, standard water detects the transmittance of photoelectric tube 708 examination criteria water, 12 pairs of standard water of testing circuit and processing water carry out data analysis, computation of table lookup obtains processing the real-time COD amount of water, and the result sends to the pulpit.Process water and enter at last water collecting basin 5.
As shown in Figure 4, standard water detection cell 707 is divided into the transparent pond 7073 of many groups, the transparent pond 7073 of pond body 7071 interior many groups is around axle 7072 circle distribution, ultraviolet light has different testing results to the transparent pond 7073 of difference, transparent pond 7073 is the water quality that detects the various process water treatment that obtains by standard C OD detecting device, the uv transmittance data-storing in different transparent ponds is in database, to comparing when the transmittance of pre-treatment water and the data of standard water detection cell 707, can obtain the COD detected value of correspondence.
The power supply 1205 of controller 12 artificially cuts off to prevent electric power system with the adapted power supply.
The sewage treatment process that the prime sewage disposal device adopts divides three grades: coagulation: by mechanical treatment, such as grid, precipitation or air supporting, remove contained stone, sandstone and fat, grease etc. in the sewage.Two stage treatment: biological treatment, the pollutant in the sewage is degraded under the effect of microorganism and is converted into mud.Tertiary treatment: the advanced treating of sewage, it comprises nutraceutical removal and by chlorination, UV radiation or ozone technology sewage is carried out disinfection.May be according to the target of processing and water quality different, some sewage disposal process are not to comprise above-mentioned all processes.
Claims (3)
1. the online ultraviolet light pick-up unit of chemical oxygen level in the wastewater treatment, it is characterized in that: ultraviolet light detecting unit (7) comprises detection light source (10), interference filter (701), Amici prism (702), the first collimated light path (703), the second collimated light path (706), process water detection cell (704), standard water detection cell (707), process water and detect photoelectric tube (705), standard water detects photoelectric tube (708), detection light source (10) is by behind the interference filter (701), absorb the light of its commplementary wave length, only allow the ultraviolet light of 257 wavelength pass through, the ultraviolet light of 257 wavelength is divided into two-way by Amici prism (702), two-way each point 50%, two-way light is collimated into tiny light beam by the first collimated light path (703) and the second collimated light path (706), enter respectively and process water detection cell (704) and standard water detection cell (707), processing water detection cell (704) and standard water detection cell (707) opposite side has respectively the water of processing to detect photoelectric tube (705) and standard water detection photoelectric tube (708), process the transmittance that water detects photoelectric tube (705) Check processing water, standard water detects the transmittance of photoelectric tube (708) examination criteria water, controller (12) carries out data analysis to standard water and processing water, computation of table lookup obtains processing the real-time COD amount of water, and the result sends to the pulpit.
2. the online ultraviolet light pick-up unit of chemical oxygen level in the wastewater treatment according to claim 1, it is characterized in that: described standard water detection cell (707) is divided into many groups transparent pond (7073), many transparent ponds of group (7073) are around axle (7072) circle distribution in the body of pond, ultraviolet light sees through different transparent ponds (7073) and has different testing results, transparent pond (7073) is the water quality that detects the various process water treatment that obtains by standard C OD detecting device, the uv transmittance data-storing in different transparent ponds is in database, to comparing with it when the transmittance of processing water, can obtain corresponding COD detected value.
3. the online ultraviolet light pick-up unit of chemical oxygen level in the wastewater treatment according to claim 1, it is characterized in that: described controller (12) is to be made of a Programmable Logic Controller (1203), Programmable Logic Controller (1203) is connected with keyboard (1204), display (1202), the first motor-drive circuit (1209), the second motor-drive circuit (1210), process water and detect photoelectric tube amplifying circuit (1207), standard water detects photoelectric tube amplifying circuit (1208) and valve control (1206), drive the first motor-drive circuit (1209) and the second motor-drive circuit (1210) by control, make the position that filtering net and transparent pond (7073) are in to be needed; The signal that detects photoelectric tube amplifying circuit (1207), standard water detection photoelectric tube amplifying circuit (1208) to processing water is simultaneously processed, and the result is sent to master-control room by communication port (1201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220559183 CN202916190U (en) | 2012-10-19 | 2012-10-19 | Chemical oxygen demand online ultraviolet light detection device for wastewater treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220559183 CN202916190U (en) | 2012-10-19 | 2012-10-19 | Chemical oxygen demand online ultraviolet light detection device for wastewater treatment |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220536932 Division CN202865066U (en) | 2012-10-19 | 2012-10-19 | Chemical oxygen demand (COD) on-line measuring device applied to sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202916190U true CN202916190U (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220559183 Expired - Fee Related CN202916190U (en) | 2012-10-19 | 2012-10-19 | Chemical oxygen demand online ultraviolet light detection device for wastewater treatment |
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| CN (1) | CN202916190U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490555A (en) * | 2017-05-09 | 2017-12-19 | 安徽环美智能科技有限公司 | A kind of water pollutant concentration intelligent detection device |
-
2012
- 2012-10-19 CN CN 201220559183 patent/CN202916190U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490555A (en) * | 2017-05-09 | 2017-12-19 | 安徽环美智能科技有限公司 | A kind of water pollutant concentration intelligent detection device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20130501 Termination date: 20181019 |