CN103645163B - The continuous on-line monitoring Apparatus and method for of resurgent water acute toxicity of water quality - Google Patents
The continuous on-line monitoring Apparatus and method for of resurgent water acute toxicity of water quality Download PDFInfo
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- CN103645163B CN103645163B CN201310706264.4A CN201310706264A CN103645163B CN 103645163 B CN103645163 B CN 103645163B CN 201310706264 A CN201310706264 A CN 201310706264A CN 103645163 B CN103645163 B CN 103645163B
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Abstract
The invention discloses the continuous on-line monitoring equipment of a kind of resurgent water acute toxicity of water quality, be provided with resurgent water water inlet pipe, controlled intake pump, sodium thiosulfate liquid storage bottle lay in bottle with sample and be communicated with; Be provided with osmotic pressure regulator solution liquid storage bottle to be communicated with example reaction pond with reference reaction pond; Be provided with positive control solution liquid storage bottle, be provided with blank reference liquid liquid storage bottle, reference reaction pond and example reaction pond; Be provided with photogen liquid deposit bottle to be communicated with reference reaction pond and example reaction pond respectively; Be provided with two photon counters and waste liquid bottle; And be provided with PLC and setting controlledly add pump, controlled pressure valve carries out switch control rule and is connected.The method of monitoring: 1) preliminary work, 2) water determination, 3) system maintenance.Structure improvement of the present invention, easily operates, good stability; Adopt two-way control test technology, regularly carry out positive calibration, accurately, response is quick in monitoring, can real-time early warning, reliable and operating cost is low.
Description
Technical field
The invention belongs to a kind of wastewater treatment and environmental monitoring technology field.A specifically equipment for resurgent water acute toxicity of water quality on-line monitoring, this equipment can realize full automatic working.The invention also discloses the method utilizing the said equipment to carry out resurgent water acute toxicity of water quality on-line monitoring, the method can realize water quality continuous and automatic Monitoring Acute Toxicity completely.
Background technology
Urban sewage reutilization is one of effective way alleviating shortage of water resources, municipal effluent after purified treatment can be used as the multiple uses such as reclaimed water, municipal greening water, process water, landscape ecological moisturizing and field irrigation, the fresh water amount of alternative equivalent.The regeneration of sewage had both opened a stable new water source, can reduce again the carrying capacity of environment that discharge of wastewater causes, to alleviation water scarcity with improve water environment and have important meaning.But as containing multiple harmful, poisonous pollutant in the municipal effluent of the former water of resurgent water, these pollutants are very easy to remain in resurgent water.Investigation finds, major pollutants comprise the organic contaminant, incretion interferent, Adsorbable organic halogens, DBPs, volatile organic compounds etc. of heavy metal, pathogenic microorganism, difficult degradation.These pollutants can bring multiple pollution, the adverse effect such as endocrine disrupting activity comprising biological urgency/chronic toxicity effect, the depression effect of biology enzyme, bioaccumulation effect, chemical substance can be produced simultaneously, may significant damage be caused to whole ecologic environment and health.These pollutants act on hydrophyte, aquatic animal and various microorganism directly or indirectly, and the individual or colony on it to such an extent as to the 26S Proteasome Structure and Function of the whole ecosystem have impact in various degree.Resurgent water comprehensive toxicity tested and monitors, determining the contamination level of the toxic chemical substance of resurgent water, having very important meaning to the utilization of resurgent water and advanced treatment of wastewater technology.
At present, the monitoring technology of resurgent water acute toxicity of water quality has had larger development, but the automaticity of existing monitoring equipment is not high enough, and particularly monitoring method is comparatively cumbersome, and monitoring efficiency is not ideal enough, therefore, needs to make improvements.
Summary of the invention
The present invention is in order to solve the problems of the technologies described above, the continuous on-line monitoring Apparatus and method for of a kind of resurgent water acute toxicity of water quality is proposed, adopt sample pretreatment, sample and the conveying of bacterium liquid pump, temperature control, reaction, Photoelectric Detection, automatic control and data display multicompartment, multisystem, improve the unitized construction configured, the timely monitor to the acute toxicity of water quality of resurgent water can be realized, and propose a whole set of flexible operation, the good monitoring method of monitoring effect.
The present invention adopts following technical scheme:
The continuous on-line monitoring equipment of resurgent water acute toxicity of water quality, is characterized in that: be provided with resurgent water water inlet pipe, and this water inlet pipe is laid in bottle with the sample of setting and is communicated with, and water inlet pipe is provided with controlled intake pump and filtrator, and sample deposit bottle upper end is provided with overflow vent; Be provided with sodium thiosulfate liquid storage bottle, this liquid storage bottle adds pump one and T-valve is communicated with the water inlet pipe that bottle laid in by sample by controlled; Be provided with osmotic pressure regulator solution liquid storage bottle, this liquid storage bottle is communicated with example reaction pond with reference reaction pond with pipeline respectively by the controlled pump two that adds; Be provided with positive control solution liquid storage bottle, between this liquid storage bottle and sample liquid storage bottle, be provided with the controlled pressure valve of a selector channel, and be communicated with described example reaction pond by this pressure valve and the controlled two-tube pump that adds; Be provided with blank reference liquid liquid storage bottle, this liquid storage bottle is also communicated with described reference reaction pond through the described same controlled two-tube pump that adds; Reference reaction pond and example reaction pond are placed on magnetic force mixing arrangement; Be provided with photogen liquid deposit bottle, this deposit bottle is communicated with reference reaction pond and example reaction pond with pipeline respectively by the controlled pump three that adds; The controllable pump of reference reaction pond and example reaction pond reactant liquor in these two reaction tanks of conveying is communicated with photon counter two with photon counter one respectively with pipeline, and passes into waste liquid bottle from photon counter one and photon counter two respectively; Described reference reaction pond and example reaction pond are provided with attemperating unit one and line temperature sensor one; Described photogen liquid deposit bottle is provided with attemperating unit two and line temperature sensor two; And be provided with PLC, this PLC with described controlled add pump one, two, three, controlled pressure valve and described controllable pump carry out switch control rule and be connected; Described line temperature sensor one, two and photon counter one, two carry out signal with PLC and are connected.
Above-mentioned monitoring equipment, additional project that is perfect and that implement is further:
Be provided with display and PLC carries out signal and control linkage.
Described osmotic pressure regulator solution is saturated NaCl solution.
Described positive control solution is the ZnSO of 100mg/L
4solution.
Described blank reference liquid is pure water.
The monitoring method of above-mentioned monitoring equipment, is characterized in that being provided with following steps:
1) preliminary work:
(1) power-on, powers to consuming parts all in described PLC, controllable pump, attemperating unit and monitoring equipment;
(2) access the resurgent water water source that will measure, open resurgent water water inlet pipe, open controlled intake pump and pour into water sample in sample deposit bottle;
(3) in corresponding liquid storage bottle or deposit bottle, sodium thiosulfate, osmotic pressure regulator solution, positive control solution, blank reference liquid and photogen liquid is added respectively; 1mol/L hypo solution: take 250g sodium thiosulfate and Na
2s
2o
35H
2o, is dissolved in the water boiling and let cool, is diluted to 1000ml, adds 0.2g natrium carbonicum calcinatum, is stored in brown bottle; Osmotic pressure regulator solution: take analytically pure 50g sodium chloride, is dissolved in the 100ml water boiled, after cooling, by filtered through gauze in vial; Positive control solution and ZnSO
4: take the pure zinc sulfate of 10g top grade, soluble in water, move in 500ml volumetric flask, be diluted with water to 500ml graticule; Blank reference liquid: adopt distilled water; Photogen liquid: get photogen freeze-dried powder 1, injecting 3ml concentration is the sodium chloride of 2g/100ml, and insert in Brown Glass Brown glass bottles and jars only after mixing, working concentration is that the sodium chloride of 2g/100ml is settled to 100ml;
2) water determination:
(1) set device operational factor: controlled intake pump flow 10-100ml/min is continuous operation; Set controlled add pump one, two, three, the controlled two-tube flow rate pump that adds is: 0.5ml/s respectively working time be 10,15,5,20 seconds, by water sample or positive control solution input example reaction pond, by blank reference liquid input reference reaction pond, photogen liquid, osmotic pressure regulator solution are added to reference reaction pond and example reaction pond respectively;
(2) behind reference reaction pond and example reaction pond reaction 5-15min, start controllable pump and the photon counter one, two of conveying reactant liquor, the luminous intensity data of the reactant liquor in reference reaction pond and example reaction pond are passed to PLC by photon counter one, two respectively, the comprehensive toxicity that PLC controls to carry out according to luminous intensity data water sample calculates, and these computing method are carried out according to following formula (1):
(3) determination period can be selected from 15min to 12h; Every 24 hours, start pressure valve once, the liquid in input example reaction pond is exchanged once by water sample and positive control solution, namely once contrasts measurement with blank reference liquid respectively with water sample and positive control solution; Monitoring fruit is shown over the display;
3) system maintenance: weekly
(1) clean each reaction tank and clean each liquid storage bottle and deposit bottle, check pipeline;
(2) waste liquor recycling bin is cleared up;
(3) osmotic pressure regulator solution, photogen liquid, blank reference liquid and positive control solution is supplemented.
Advantage of the present invention:
1, present device is easy to operate, good stability;
2, adopt two-way control test technology, while detecting water sample sample, detect blank reference liquid and pure water as reference; Regularly carry out positive calibration;
3, response fast, can real-time early warning;
4, photogen is easily cultivated, and can use immediately after recovery;
5, reliable and operating cost is low;
Without the need to restarting when 6, there are high pollution feelings.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is explained: embodiment: see accompanying drawing, the continuous on-line monitoring equipment of resurgent water acute toxicity of water quality, be provided with resurgent water water inlet pipe, this water inlet pipe is laid in bottle 5 with the sample of setting and is communicated with, water inlet pipe is provided with controlled intake pump 1 and filtrator, and sample deposit bottle upper end is provided with overflow vent; Be provided with sodium thiosulfate liquid storage bottle, this liquid storage bottle adds pump 1 and T-valve is communicated with the water inlet pipe that bottle laid in by sample by controlled; Be provided with osmotic pressure regulator solution liquid storage bottle 3, this liquid storage bottle is communicated with example reaction pond 9 with reference reaction pond 7 with pipeline respectively by the controlled pump 2 22 that adds; Be provided with positive control solution liquid storage bottle 4, between this liquid storage bottle and sample liquid storage bottle, be provided with the controlled pressure valve 24 of a selector channel, and be communicated with described example reaction pond by this pressure valve and the controlled two-tube pump 23 that adds; Be provided with blank reference liquid liquid storage bottle 6, this liquid storage bottle is also communicated with described reference reaction pond through the described same controlled two-tube pump that adds; Reference reaction pond and example reaction pond are placed on magnetic force mixing arrangement 8; Be provided with photogen liquid deposit bottle 15, this deposit bottle is communicated with reference reaction pond and example reaction pond with pipeline respectively by the controlled pump 3 13 that adds; The controllable pump 12 of reference reaction pond and example reaction pond reactant liquor in these two reaction tanks of conveying is communicated with photon counter 2 18 with photon counter 1 respectively with pipeline, and passes into waste liquid bottle 19 from photon counter one and photon counter two respectively; Described reference reaction pond and example reaction pond are provided with attemperating unit 1 and line temperature sensor 1; Described photogen liquid deposit bottle is provided with attemperating unit 2 16 and line temperature sensor 2 14; And be provided with PLC 20, this PLC with described controlled add pump one, two, three, controlled pressure valve and described controllable pump carry out switch control rule and be connected; Described line temperature sensor one, two and photon counter one, two carry out signal with PLC and are connected.Be provided with display 21 and carry out signal and control linkage with PLC.Described osmotic pressure regulator solution is saturated NaCl solution.Described positive control solution is the ZnSO of 100mg/L
4solution.Described blank reference liquid is pure water.
Embodiment 2: use above-mentioned monitoring equipment to monitor, uses following methods, the steps include: 1) preliminary work:
(1) power-on, powers to consuming parts all in described PLC, controllable pump, attemperating unit and monitoring equipment;
(2) access the resurgent water water source that will measure, open resurgent water water inlet pipe, open controlled intake pump and pour into water sample in sample deposit bottle;
(3) in corresponding liquid storage bottle or deposit bottle, sodium thiosulfate, osmotic pressure regulator solution, positive control solution, blank reference liquid and photogen liquid is added respectively; 1mol/L hypo solution: take 250g sodium thiosulfate and Na
2s
2o
35H
2o, is dissolved in the water boiling and let cool, is diluted to 1000ml, adds 0.2g natrium carbonicum calcinatum, is stored in brown bottle; Osmotic pressure regulator solution: take analytically pure 50g sodium chloride, is dissolved in the 100ml water boiled, after cooling, by filtered through gauze in vial; Positive control solution and ZnSO
4: take the pure zinc sulfate of 10g top grade, soluble in water, move in 500ml volumetric flask, be diluted with water to 500ml graticule; Blank reference liquid: adopt distilled water; Photogen liquid: get photogen freeze-dried powder 1, injecting 3ml concentration is the sodium chloride of 2g/100ml, and insert in Brown Glass Brown glass bottles and jars only after mixing, working concentration is that the sodium chloride of 2g/100ml is settled to 100ml;
2) water determination:
(1) set device operational factor: controlled intake pump flow 10ml/min is continuous operation; Set controlled add pump one, two, three, the controlled two-tube flow rate pump that adds is: 0.5ml/s respectively working time be 10,15,5,20 seconds, by water sample or positive control solution input example reaction pond, by blank reference liquid input reference reaction pond, photogen liquid, osmotic pressure regulator solution are added to reference reaction pond and example reaction pond respectively;
(2) behind reference reaction pond and example reaction pond reaction 5min, start controllable pump and the photon counter one, two of conveying reactant liquor, the luminous intensity data of the reactant liquor in reference reaction pond and example reaction pond are passed to PLC by photon counter one, two respectively, the comprehensive toxicity that PLC controls to carry out according to luminous intensity data water sample calculates, and these computing method are carried out according to following formula (1):
(3) determination period is 15min; Every 24 hours, start pressure valve once, the liquid in input example reaction pond is exchanged once by water sample and positive control solution, namely once contrasts measurement with blank reference liquid respectively with water sample and positive control solution; Monitoring fruit is shown over the display;
3) system maintenance: weekly
(1) clean each reaction tank and clean each liquid storage bottle and deposit bottle, check pipeline;
(2) waste liquor recycling bin is cleared up;
(3) osmotic pressure regulator solution, photogen liquid, blank reference liquid and positive control solution is supplemented.
Embodiment 3: step 2)-(1) in, set device operational factor: controlled intake pump flow 10ml/min; Step 2)-(2) in, behind reference reaction pond and example reaction pond reaction 15min, start the conveying controllable pump of reactant liquor and photon counter one, two; Step 2)-(3) in, determination period is 12h.Other steps are identical with embodiment 2.
The result on trial of above-described embodiment shows, between instrument sensing range pollutant levels ppb-ppm; Luminous intensity variations :-100%-100%; Toxicity range is with Hg
2+meter 0.03-0.2mg/L.With pure water and the test of actual reproduction water water sample, within 24 hours, repeat experiment, relative standard deviation is less than 3%; Actual test water sample 24 hours repeated examination criteria differences are less than 3%.Try out 3 months in certain sewage treatment plant, achieve extraordinary effect.
Claims (6)
1. the continuous on-line monitoring equipment of resurgent water acute toxicity of water quality, it is characterized in that: be provided with resurgent water water inlet pipe, this resurgent water water inlet pipe and the sample of setting are laid in bottle (5) and are communicated with, water inlet pipe is provided with controlled intake pump (1) and filtrator, and sample deposit bottle upper end is provided with overflow vent; Be provided with sodium thiosulfate liquid storage bottle, this sodium thiosulfate liquid storage bottle adds pump one (2) and T-valve is communicated with the water inlet pipe that bottle laid in by sample by controlled; Be provided with osmotic pressure regulator solution liquid storage bottle (3), this osmotic pressure regulator solution liquid storage bottle is communicated with example reaction pond (9) with reference reaction pond (7) with pipeline respectively by the controlled pump two (22) that adds; Be provided with positive control solution liquid storage bottle (4), be provided with the controlled pressure valve (24) of a selector channel between this positive control solution liquid storage bottle and sample deposit bottle, and be communicated with described example reaction pond by this controlled pressure valve and the controlled two-tube pump (23) that adds; Be provided with blank reference liquid liquid storage bottle (6), this blank reference liquid liquid storage bottle is also communicated with described reference reaction pond through the described controlled two-tube pump that adds; Reference reaction pond and example reaction pond are placed on magnetic force mixing arrangement (8); Be provided with photogen liquid deposit bottle (15), this photogen liquid deposit bottle is communicated with reference reaction pond and example reaction pond with pipeline respectively by the controlled pump three (13) that adds; The controllable pump (12) of reference reaction pond and example reaction pond reactant liquor in these two reaction tanks of conveying is communicated with photon counter two (18) with photon counter one (17) respectively with pipeline, and passes into waste liquid bottle (19) from photon counter one and photon counter two respectively; Described reference reaction pond and example reaction pond are provided with attemperating unit one (10) and line temperature sensor one (11); Described photogen liquid deposit bottle is provided with attemperating unit two (16) and line temperature sensor two (14); And being provided with PLC (20), this PLC controlledly adds pump one with described, controlledly adds pump two, controlled pump three, controlled pressure valve and the described controllable pump of adding carries out switch control rule and be connected; Described line temperature sensor one, line temperature sensor two and photon counter one, photon counter two carry out signal with PLC and are connected.
2. monitoring equipment according to claim 1, is characterized in that: be provided with display (21) and carry out signal and control linkage with PLC.
3. monitoring equipment according to claim 1, is characterized in that: described osmotic pressure regulator solution is saturated NaCl solution.
4. monitoring equipment according to claim 1, is characterized in that: described positive control solution is the ZnSO of 100mg/L
4solution.
5. monitoring equipment according to claim 1, is characterized in that: described blank reference liquid is pure water.
6. one of to utilize in claim 1-5 the monitoring method of described monitoring equipment, it is characterized in that being provided with following steps:
1) preliminary work:
(1) power-on, powers to consuming parts all in described PLC, controllable pump, attemperating unit and monitoring equipment;
(2) access the resurgent water water source that will measure, open resurgent water water inlet pipe, open controlled intake pump and pour into water sample in sample deposit bottle;
(3) in corresponding liquid storage bottle or deposit bottle, sodium thiosulfate, osmotic pressure regulator solution, positive control solution, blank reference liquid and photogen liquid is added respectively; 1mol/L hypo solution: take 250g sodium thiosulfate and Na
2s
2o
35H
2o, is dissolved in the water boiling and let cool, is diluted to 1000ml, adds 0.2g natrium carbonicum calcinatum, is stored in brown bottle; Osmotic pressure regulator solution: take analytically pure 50g sodium chloride, is dissolved in the 100ml water boiled, after cooling, by filtered through gauze in vial; Positive control solution and ZnSO
4: take the pure zinc sulfate of 10g top grade, soluble in water, move in 500ml volumetric flask, be diluted with water to 500ml graticule; Blank reference liquid: adopt distilled water; Photogen liquid: get photogen freeze-dried powder 1, injecting 3ml concentration is the sodium chloride of 2g/100ml, and insert in Brown Glass Brown glass bottles and jars only after mixing, working concentration is that the sodium chloride of 2g/100ml is settled to 100ml;
2) water determination:
(1) set device operational factor: controlled intake pump flow 10-100ml/min is continuous operation; Set and controlledly add pump one, controlledly add pump two, controlledly add pump three, the controlled two-tube flow rate pump that adds is: 0.5ml/s respectively working time be 10,15,5,20 seconds, by water sample or positive control solution input example reaction pond, by blank reference liquid input reference reaction pond, photogen liquid, osmotic pressure regulator solution are added to reference reaction pond and example reaction pond respectively;
(2) behind reference reaction pond and example reaction pond reaction 5-15min, start controllable pump and photon counter one, the photon counter two of conveying reactant liquor, the luminous intensity data of the reactant liquor in reference reaction pond and example reaction pond are passed to PLC by photon counter one, photon counter two respectively, the comprehensive toxicity that PLC controls to carry out according to luminous intensity data water sample calculates, and these computing method are carried out according to following formula (1):
formula (1)
(3) determination period is selected from 15min to 12h; Every 24 hours, start pressure valve once, the liquid in input example reaction pond is exchanged once by water sample and positive control solution, namely once contrasts measurement with blank reference liquid respectively with water sample and positive control solution; Monitoring fruit is shown over the display;
3) system maintenance: weekly
(1) clean each reaction tank and clean each liquid storage bottle and deposit bottle, check pipeline;
(2) waste liquor recycling bin is cleared up;
(3) osmotic pressure regulator solution, photogen liquid, blank reference liquid and positive control solution is supplemented.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104007277B (en) * | 2014-06-04 | 2016-01-27 | 宇星科技发展(深圳)有限公司 | A kind of bio-toxicity automonitor and monitoring method |
| CN104792770A (en) * | 2015-04-13 | 2015-07-22 | 华东理工大学 | Method and device for water quality monitoring through continuous culture of luminous bacteria |
| CN108362532A (en) * | 2017-12-27 | 2018-08-03 | 深圳市有为环境科技有限公司 | A kind of method that osmotic pressure adjusts liquid and carries out poisonous substance detection using it |
| CN109580507B (en) * | 2018-11-28 | 2021-05-14 | 国电南瑞科技股份有限公司 | Parallel quality control water quality analysis device and method |
| CN113198438B (en) * | 2020-02-27 | 2022-12-02 | 合肥三利谱光电科技有限公司 | Method for regenerating resin for filtering extension liquid and judging regeneration time node |
| CN111398617A (en) * | 2020-04-29 | 2020-07-10 | 中国科学院合肥物质科学研究院 | Automatic sample feeding and preparing device and method for water toxicity monitor by algae photosynthesis inhibition method |
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