CN203534961U - On-line detecting device for COD (Chemical Oxygen Demand) and SS (suspended solids) of artificial leather waste water - Google Patents
On-line detecting device for COD (Chemical Oxygen Demand) and SS (suspended solids) of artificial leather waste water Download PDFInfo
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- CN203534961U CN203534961U CN201320696161.XU CN201320696161U CN203534961U CN 203534961 U CN203534961 U CN 203534961U CN 201320696161 U CN201320696161 U CN 201320696161U CN 203534961 U CN203534961 U CN 203534961U
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Abstract
The utility model discloses an on-line detecting device for COD (Chemical Oxygen Demand) and SS (suspended solids) of artificial leather waste water. The on-line detecting device comprises waste water boxes, a metering pump, a mixing box, a detecting box and a filtering box. The on-line detecting device has the benefits as follows: (1), the detecting process is full-automatic, automatic detection, automatic cleaning and automatic regulation and control can be achieved, plenty of manpower and material resources are saved, and the whole process is safe, environment-friendly and pollution-free; (2), two kinds of wavelength light are arranged, a visible light source can be opened to independently detect the SS, then the COD is detected, and also, the visible light source and a ultraviolet light source can be opened simultaneously, so that the interference of the SS can be eliminated, and the detection precision of the COD is improved; (3), certain liquid capacity can be set by utilizing the metering pump, and a mixed solution required can be automatically prepared with high precision according to the liquid flowing time; (4), artificial leather waste water and purified water entering the mixing box in sequence can be fully mixed by utilizing a first water pump, so that the experimental error is reduced; (5), the on-line detection on original artificial leather waste water, filtered waste water and waste water subjected to biochemical treatment can be implemented.
Description
Technical field
The utility model relates to leatheret (organic wastewater) waste water detection field, relates in particular to the device of online detection leatheret waste water COD and SS.
Background technology
Leatheret factory wastewater discharge is large, pH value is high, colourity is high, pollutant kind is various, complicated.Wherein pollutant comprises organism and inorganics, and chemical oxygen demand (COD) (COD) has reflected the degree that water body is polluted by reductive organic matter, based on water body, by Organic Pollution, be very general phenomenon, therefore chemical oxygen demand figureofmerit is also as one of overall target of organism relative content.Suspension (SS) refers to be suspended in the solid matter in water, comprises inorganics, organism and silt particle, clay, microorganism of water fast etc.In water, suspension content is one of index of weighing water pollution degree.Suspension is the main cause that causes water muddiness.
The COD measuring method of tradition monitoring water environment is mainly potassium dichromate method and permanganimetric method according to the difference of oxygenant used, both measurement results are relatively reliable, favorable reproducibility, but it is long to exist minute, the shared spatial volume of the instrument and equipment that uses is huge, and the reagent price of use is more expensive and toxic, and measurement result repeatability is poor, can not measure more water sample, shortcoming that can not continuous automatic measurement simultaneously.And while measuring suspended solid SS, general operating weight method, had both gathered sewage or the mixed liquor of certain volume, with 0.45 μ m membrane filtration, hold back suspended solid, using the amount as suspended solid of poor quality of membrane retention suspended solid front and back.The method is long measuring period, complex operation.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of any Chemical Pretreatment that do not relate to, shorten measuring period, to environment, can not pollute yet, simultaneously, while detecting COD, two kinds of wavelength light are opened simultaneously and can be got rid of the error that suspension brings, and improve COD and the SS on-line measuring device of the leatheret waste water of degree of accuracy.
The utility model is achieved through the following technical solutions: leatheret waste water COD and SS on-line measuring device, comprise waste water tank, volume pump, blending bin, detection case and Rose Box, described detection case comprises ultraviolet light input path, visible ray input path, ultraviolet detector light path, visible ray is surveyed light path, leatheret waste water water sample intake line, pure water intake line, circulation waste liquid intake line and housing, described housing both sides are provided with photoelectric measuring device, left side photoelectric measuring device comprises ultraviolet light input path, visible ray input path, the right photoelectric measuring device comprises ultraviolet detector light path, visible ray is surveyed light path, described visible ray input path, visible ray is surveyed light path in same light path, described ultraviolet light input path, ultraviolet detector light path is arranged in same light path,
The waterway structure of detection case comprises waste water tank No. 1, No. 2 waste water tanks, No. 3 waste water tanks, volume pump, blending bin, detection case, Rose Box, three-way solenoid valve T1, three-way solenoid valve T2, three-way solenoid valve T3, three-way solenoid valve T4, three-way solenoid valve T5, three-way solenoid valve T6, three-way solenoid valve T7, three-way solenoid valve T8, three-way solenoid valve T9, three-way solenoid valve T10, three-way solenoid valve T11, three-way solenoid valve T12, solenoid valve K1, solenoid valve K2, solenoid valve K3, solenoid valve K4, solenoid valve K5, solenoid valve K6, solenoid valve K7, the first water pump P 1 and the second water pump P 2, the water inlet of No. 1 described waste water tank is connected with pure water pipeline with former leatheret wastewater effluent mouth pipeline by three-way solenoid valve T3, the water inlet of No. 2 waste water tanks is connected with pure water pipeline with waste water filtering pond water outlet pipeline by three-way solenoid valve T4, the water inlet of No. 3 waste water tanks is connected with pure water pipeline with waste water bio-chemical processing pool water outlet pipeline by three-way solenoid valve T5, volume pump is by three-way solenoid valve T6, T9 is connected with the water delivering orifice of No. 1 waste water tank, by three-way solenoid valve T7, T9 is connected with the water delivering orifice of No. 2 waste water tanks, by three-way solenoid valve T8, T9 is connected with the water delivering orifice of No. 3 waste water tanks, by three-way solenoid valve T9, be connected with pure water pipeline, by three-way solenoid valve T10, be connected with blending bin water inlet with leatheret waste water pipeline, blending bin is connected with pure water pipeline by solenoid valve K1, by K2, be connected with the water inlet of the first water pump P 1, by three-way solenoid valve T11, be connected with the water inlet of detection case with leatheret waste water pipeline and be connected, detection case is connected with Rose Box water inlet by three-way solenoid valve T12 leatheret waste water pipeline, by solenoid valve K3, be connected with pure water pipeline, Rose Box is connected with leatheret waste water pipeline by solenoid valve K5, by solenoid valve K4, be connected with pure water pipeline, by solenoid valve K6, be connected with the water inlet of the second water pump P 2, water delivering orifice is connected with leatheret waste water pipeline by solenoid valve K7, three-way solenoid valve T1 connects waste water filtering pond water delivering orifice, raw wastewater water delivering orifice and waste water bio-chemical processing pool water inlet, three-way solenoid valve T2 connects waste water bio-chemical processing pool water delivering orifice, waste water bio-chemical processing pool water inlet and leatheret waste water reclaim line,
Waste water tank comprises waste water tank input port, waste water tank, waste water tank delivery outlet and waste water tank outer wall;
Blending bin comprises blending bin outer wall, blending bin inwall, leatheret waste water input port, pure water input port, waste water delivery outlet, circulation waste liquid input port and circulation waste liquid delivery outlet, waste water is entered by leatheret waste water input port, pure water enters through this mouthful more afterwards, enter water and flowed out blending bin by waste water circulation liquid delivery outlet, then by external the first water pump, finally via circulation fluid input port, again flow back to blending bin again, now waste water and pure water mix;
Rose Box comprises filter box inwall, filter box outer wall, filter screen, filter box rinse liquid outlet, waste water input port, waste water delivery outlet, pure water input port and recirculated water delivery outlet, leatheret waste water flows into filter box by waste water delivery outlet, net filtration after filtration, then via the second water pump, flow back to detection case by recirculated water delivery outlet.
The online sequence of operation that detects leatheret waste water SS and COD of this device:
First select specific in leatheret waste water to the wavelength of visible ray and ultraviolet light absorbance maximum and, wherein visible wavelength is 546nm, ultraviolet wavelength is 254nm.
Then open visible light source or simultaneously open ultraviolet source again, the visible ray and the ultraviolet light that through two monochromators, respectively light source are sent filter, 546 and 254 visible ray and the ultraviolet light that obtain wavelength and be;
Finally the single wavelength light of two bundles of gained passed to the useless aqueous humor of leatheret and absorbed by corresponding detector, obtaining corresponding photosignal.Photosignal is after amplifying circuit amplifies, by A/D change-over circuit, convert simulating signal to digital data transmission to PLC again, allow light path system and PLC control system efficient coupling, PLC is also connected with photodetector, indirectly realizes the control to respective sources when PLC controls photodetector.End product all can show on computers.
Detection case obtains the process of waste water water sample: the AB end that starts three-way solenoid valve T3, inject former leatheret waste water sample liquid to 1 waste water tank, open again three-way solenoid valve T6, T9, the A of T10, B end injects blending bin by sample liquid by volume pump again, closing 3 to solenoid valve T6 again, after T9, open the B of T9, C end injects blending bin by pure water by volume pump, then opens solenoid valve K2 and by the first water pump P 1, mixed liquor is mixed.The AB end of opening again three-way solenoid valve T11 injects detection case by the useless aqueous humor of the leatheret mixing.This waste water can carry out S S detection.The AB end of opening T12 after this injects Rose Box by waste water and filters, and opens solenoid valve K6 the waste water after filtering is injected to detection case by waste liquid again through the second water pump P 2, and this sample liquid just can carry out COD mensuration.After waste water filtering pond and the processing of wastewater biochemical pond, the waste water of required detection obtains also step like this.
The beneficial effects of the utility model are:
(1) this device is the equipment that detects online COD and SS in leatheret waste water, and testing process is full-automatic, automatically detects, and automatically cleans, and auto-adjustment control, has saved a large amount of manpower and materials, and overall process safety and environmental protection is pollution-free;
(2) this device is provided with two kinds of wavelength light, both can open visible light source and detect separately SS, while detecting COD afterwards, can open visible light source and ultraviolet source again simultaneously, can reject thus the interference of suspension, improves COD accuracy of detection;
(3) utilize volume pump, set certain liq flow, the time of flowing through according to liquid can the required mixed liquor of High Precision Automatic configuration, has saved the loaded down with trivial details operating process of Measuring glass;
(4) utilize the first water pump, the leatheret waste water and the pure water that successively enter blending bin fully can be mixed, reduce experimental error;
(5) can carry out online former leatheret waste water, waste water after filtering, the detection of three kinds of waste water of waste water after biochemical treatment, contrast more can be found out the effect after processing.
Accompanying drawing explanation
For ease of explanation, the utility model is described in detail by following specific embodiment and accompanying drawing.
Fig. 1 is leatheret waste water COD and SS on-line measuring device water circuit system structural drawing;
Fig. 2 is leatheret waste water COD and SS on-line measuring device waste water tank planimetric map;
Fig. 3 is the stereographic map of leatheret waste water COD and the blending bin of SS on-line measuring device;
Fig. 4 is detection case stereographic map in leatheret waste water COD and SS on-line measuring device;
Fig. 5 is leatheret waste water COD and SS on-line measuring device inner filtration case stereographic map;
Fig. 6 is the online detection of leatheret waste water COD and SS index path used.
Embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, close all solenoid valves and water pump, original state, opens the AC valve of T3, and former leatheret waste water enters No. 1 waste water tank from waste water tank input port 1, wait the t0 that bides one's time, and prepares liquid to be measured.Close the AC valve of T3, open T6, T9, the AC valve of T10, stand-by period t1, stoste to be measured flows out from waste water tank delivery outlet 3, and the volume pump of flowing through, enters blending bin from leatheret waste water input port 7.Close T6, the C valve of T10, opens T6, the B valve of T10, and stand-by period t2, drains the unnecessary waste water of pipeline and waste water tank.Close the AB valve of T6; Close the A valve of T9, open B valve; Close the B valve of T10, open C valve, the pure water volume pump of flowing through, enters into blending bin dilution, stand-by period t3 through leatheret waste water input port 7.Close the BC valve of T9, close the AC valve of T10, open K2 valve, start water pump P 1, waste water flows out from circulation waste liquid delivery outlet 11, through water pump P 1, from circulation waste liquid input port 10, flows back to blending bin, abundant composite waste and pure water, stand-by period t4.Open the BC valve of T3, pure water enters No. 1 waste water tank from waste water tank input port 1, rinse No. 1 waste water tank, stand-by period t5 simultaneously.Close the BC valve of T3, open the AB valve of T6, from No. 1 waste water tank delivery outlet 3, discharge No. 1 waste water tank cleaning fluid, stand-by period t7, closes the AB valve of T6, and No. 1 waste water tank rinses after complete and closes K2 valve, close P1 water pump, open the AC valve of T11, stand-by period t6, mixed waste liquor enters detection case and prepares to detect.Close the AC valve of T11, waste water flows out from waste water delivery outlet 9 from blending bin, from leatheret waste water input port 19, enters detection case, and detection case carries out SS detection, stand-by period T8.Open K1, K2 valve, starts P1 water pump simultaneously, and pure water enters blending bin from pure water input port 8, flows out the water pump P 1 of flowing through, the 10 flushing blending bins from circulation waste liquid input port again, stand-by period T9 from circulation waste liquid delivery outlet 11.Open the AB valve of T11, from waste water delivery outlet 9, drain the cleaning fluid blending bin, close the AB valve of T11, the complete AC valve of opening T12 is afterwards rinsed in blending bin, waste liquid flows out from the leatheret waste water delivery outlet 20 of detection case, from the waste water input port 29 of Rose Box, enter Rose Box and filter, stand-by period t10.Close the AC valve of T12, open K6 valve, start P2 water pump, the waste water after filtration flows out from the recirculated water delivery outlet 32 of Rose Box.The water pump P 2 of flowing through, re-enters detection case from the recirculated water entrance 24 of detection case, stand-by period t12.Close K6, close P2 water pump, stand-by period t13, detects) carry out COD detection.Open K4 valve, pure water enters Rose Box from pure water input port 31 simultaneously, washing and filtering case, stand-by period t14.Close K4 valve, open K5, K7 valve, stand-by period t16, discharges Rose Box washing fluid from Rose Box rinse liquid outlet 28 waste water delivery outlets 30.Close K5, K7 valve, Rose Box rinses and finishes, and opens afterwards the AB valve of T12, and stand-by period t15, from the waste liquid of leatheret waste water delivery outlet 20 discharge detection cases.Close the AB valve of T12, open K3 valve, pure water flows into detection case from pure water entrance 23, cleans detection case, stand-by period T17.Close K3 valve, open the AB valve of T12, stand-by period t18, discharges detection case cleaning fluid from the leatheret waste water delivery outlet 20 of detection case, and raw wastewater detects and finishes.
The waste water ejecting after waste water filtering pond and the processing of wastewater biochemical pond carries out SS and this sequence of operation is also followed in COD detection.If the water that waste water filtering pond ejects is the defective C valve that can close T1 after testing, open B valve and re-start filtration treatment.If the water that wastewater biochemical pond ejects is the defective C valve that also can close T2 after testing, open the B valve of T2, re-start biochemical treatment.
As shown in Figure 2, waste water tank comprises waste water tank input port 1, waste water tank scavenge port 2, waste water tank delivery outlet 3 and waste water tank outer wall 4.
As shown in Figure 3, blending bin comprises blending bin outer wall 5, blending bin inwall 6, leatheret waste water input port 7, pure water input port 8, waste water delivery outlet 9, circulation waste liquid input port 10, circulation waste liquid delivery outlet 11.Waste water is entered by leatheret waste water input port, pure water enters through this mouthful more afterwards, has entered water and has flowed out blending bin by waste water circulation liquid delivery outlet, then by external No. 1 water pump, finally via circulation fluid input port, again flow back to blending bin again, now waste water and pure water mix.
As shown in Figure 4, detection case comprises that ultraviolet light input path 12, ultraviolet detector light path 13, visible ray input path 14, visible ray detection light path 15, detection case outer wall 16, detection case inwall 17, the measuring flume 18 of detection case, leatheret waste water input port 19, leatheret waste water delivery outlet 20, light detection device 21, light enter injection device 22, pure water entrance 23, recirculated water entrance 24.
As shown in Figure 5, Rose Box comprises Rose Box inwall 25, Rose Box outer wall 26, screen pack 27, Rose Box rinse liquid outlet 28, waste water input port 29, waste water delivery outlet 30, pure water input port 31, recirculated water delivery outlet 32. leatheret waste water flow into filter box by waste water input port 29, through filter screen 27, filter, then via the 2nd water pump, from recirculated water entrance 24, flow back to detection case by recirculated water delivery outlet 32.
The beneficial effects of the utility model are:
(1) this device is the equipment that detects online COD and SS in leatheret waste water, and testing process is full-automatic, automatically detects, and automatically cleans, and auto-adjustment control, has saved a large amount of manpower and materials, and overall process safety and environmental protection is pollution-free;
(2) this device is provided with two kinds of wavelength light, both can open visible light source and detect separately SS, while detecting COD afterwards, can open visible light source and ultraviolet source again simultaneously, can reject thus the interference of suspension, improves COD accuracy of detection;
(3) utilize volume pump, set certain liq flow, the time of flowing through according to liquid can the required mixed liquor of High Precision Automatic configuration, has saved the loaded down with trivial details operating process of Measuring glass;
(4) utilize the first water pump, the leatheret waste water and the pure water that successively enter blending bin fully can be mixed, reduce experimental error;
(5) can carry out online former leatheret waste water, waste water after filtering, after biochemical treatment, the detection of three kinds of waste water of waste water contrast more can be found out the effect after processing.
The above, be only embodiment of the present utility model, but protection domain of the present utility model is not limited to this, and any variation of expecting without creative work or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims were limited.
Claims (1)
1. a leatheret waste water COD and SS on-line measuring device, comprise waste water tank, volume pump, blending bin, detection case and Rose Box, it is characterized in that: described detection case comprises: ultraviolet light input path, visible ray input path, ultraviolet detector light path, visible ray is surveyed light path, leatheret waste water water sample intake line, pure water intake line, circulation waste liquid intake line and housing, described housing both sides are provided with photoelectric measuring device, left side photoelectric measuring device comprises ultraviolet light input path, visible ray input path, the right photoelectric measuring device comprises ultraviolet detector light path, visible ray is surveyed light path, described visible ray input path, visible ray is surveyed light path in same light path, described ultraviolet light input path, ultraviolet detector light path is arranged in same light path, the waterway structure of detection case comprises waste water tank No. 1, No. 2 waste water tanks, No. 3 waste water tanks, volume pump, blending bin, detection case, Rose Box, three-way solenoid valve T1, three-way solenoid valve T2, three-way solenoid valve T3, three-way solenoid valve T4, three-way solenoid valve T5, three-way solenoid valve T6, three-way solenoid valve T7, three-way solenoid valve T8, three-way solenoid valve T9, three-way solenoid valve T10, three-way solenoid valve T11, three-way solenoid valve T12, solenoid valve K1, solenoid valve K2, solenoid valve K3, solenoid valve K4, solenoid valve K5, solenoid valve K6, solenoid valve K7, the first water pump P 1 and the second water pump P 2, the water inlet of No. 1 described waste water tank is connected with pure water pipeline with former leatheret wastewater effluent mouth pipeline by three-way solenoid valve T3, the water inlet of No. 2 waste water tanks is connected with pure water pipeline with waste water filtering pond water outlet pipeline by three-way solenoid valve T4, the water inlet of No. 3 waste water tanks is connected with pure water pipeline with waste water bio-chemical processing pool water outlet pipeline by three-way solenoid valve T5, volume pump is by three-way solenoid valve T6, T9 is connected with the water delivering orifice of No. 1 waste water tank, by three-way solenoid valve T7, T9 is connected with the water delivering orifice of No. 2 waste water tanks, by three-way solenoid valve T8, T9 is connected with the water delivering orifice of No. 3 waste water tanks, by three-way solenoid valve T9, be connected with pure water pipeline, by three-way solenoid valve T10, be connected with blending bin water inlet with leatheret waste water pipeline, blending bin is connected with pure water pipeline by solenoid valve K1, by K2, be connected with the water inlet of the first water pump P 1, by three-way solenoid valve T11, be connected with the water inlet of detection case with leatheret waste water pipeline and be connected, detection case is connected with Rose Box water inlet by three-way solenoid valve T12 leatheret waste water pipeline, by solenoid valve K3, be connected with pure water pipeline, Rose Box is connected with leatheret waste water pipeline by solenoid valve K5, by solenoid valve K4, be connected with pure water pipeline, by solenoid valve K6, be connected with the water inlet of the second water pump P 2, water delivering orifice is connected with leatheret waste water pipeline by solenoid valve K7, three-way solenoid valve T1 connects waste water filtering pond water delivering orifice, raw wastewater water delivering orifice and waste water bio-chemical processing pool water inlet, three-way solenoid valve T2 connects waste water bio-chemical processing pool water delivering orifice, waste water bio-chemical processing pool water inlet and leatheret waste water reclaim line,
Waste water tank comprises: waste water tank input port, waste water tank, waste water tank delivery outlet and waste water tank outer wall;
Blending bin comprises: blending bin outer wall, blending bin inwall, leatheret waste water input port, pure water input port, waste water delivery outlet, circulation waste liquid input port and circulation waste liquid delivery outlet;
Rose Box comprises: Rose Box inwall, Rose Box outer wall, screen pack, Rose Box rinse liquid outlet, waste water input port, waste water delivery outlet, pure water input port and recirculated water delivery outlet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320696161.XU CN203534961U (en) | 2013-10-23 | 2013-10-23 | On-line detecting device for COD (Chemical Oxygen Demand) and SS (suspended solids) of artificial leather waste water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320696161.XU CN203534961U (en) | 2013-10-23 | 2013-10-23 | On-line detecting device for COD (Chemical Oxygen Demand) and SS (suspended solids) of artificial leather waste water |
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| CN203534961U true CN203534961U (en) | 2014-04-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11913876B2 (en) | 2021-11-17 | 2024-02-27 | Industrial Technology Research Institute | Optical water-quality detection apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11913876B2 (en) | 2021-11-17 | 2024-02-27 | Industrial Technology Research Institute | Optical water-quality detection apparatus |
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