CN105259325A - Sewage biotoxicity online monitoring and early warning device - Google Patents

Sewage biotoxicity online monitoring and early warning device Download PDF

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Publication number
CN105259325A
CN105259325A CN201510780823.5A CN201510780823A CN105259325A CN 105259325 A CN105259325 A CN 105259325A CN 201510780823 A CN201510780823 A CN 201510780823A CN 105259325 A CN105259325 A CN 105259325A
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water
control module
peristaltic pump
incubator
toxicity
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CN105259325B (en
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张效伟
洪陵成
刘萌斐
杨江华
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Nanjing University
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Nanjing University
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Abstract

The invention discloses a sewage biotoxicity online monitoring and early warning device. The device is composed of a control unit, a support, a sample feeding unit, a cultivation unit and a detection unit. According to the device, on the basis that a US EPA dilution ratio biotoxicity characterization method is adopted, the interference of factors, which might affect normal survival of fish, including improper water temperature is eliminated; the automatic control principle is adopted, the TU value of each sample can be calculated through comprehensive evaluation on mixing of samples mixed in various proportions, the average value of all the monitored TU values is taken as the final TU value, and a detection result is more accurate; the linear trajectory tracking, analyzing and imaging technique is adopted, an alarm device is triggered automatically to warn staff to go to the site for emergency disposal quickly if the trajectory of fish changes suddenly and unnaturally during monitoring, and therefore the workload of staff for paying close attention to the site for a long time is effectively reduced.

Description

A kind of saprobe toxicity on-line monitoring prior-warning device
Technical field
The invention belongs to environmental monitoring field, disclose a kind of saprobe toxicity on-line monitoring prior-warning device, be specifically related to a kind of fish acute toxicity on-line monitoring analytical equipment.
Background technology
Along with the fast development of industry especially chemical industry, poisonous dangerous material in production, store, Sudden Environmental Pollution Accident enters water body frequently in transportation, the aquatic ecosystem of depending on for existence to the mankind causes serious destruction.In order to ensure the safety of water body especially potable water source district, the various burst water pollution accident of reply fast, exploitation fast, the technology of accurate evaluation each pollutant toxicity seems particularly urgent and important.
Through the development of many decades, the sensitivity of various physico-chemical analysis means is more and more higher, more adequately can assess pollutant to the impact of biology by dose-effect relationship.But these class methods have following several limitation and deficiency: the chemicals (1) touched in our daily life reaches 4-8 ten thousand kinds, these materials have the possibility of polluted-water, and it is very limited to relate to index in routine monitoring, can not monitors one by one each pollutant and identify; (2) mostly pay close attention to Single Pollution thing to the toxic effect of aqueous bio, in fact water body is not unitary system, but each pollutant is worked in coordination with, antagonism, superposition etc. synthesis result; (3) evaluation criterion lacks scientific, even if every physical and chemical index is all up to standard also may not necessarily illustrate that water body is definitely healthy.
In fact, toxicity is a complicated biological phenomenon, and pollutant is harmful or harmless to biology to only have biological test to judge, differentiates the collaborative still antagonism of mixed pollutants performance.Therefore develop sensitive, biological toxicity tests and early warning technology are the Main way of reply burst water pollution accident accurately.
Aquatic toxicity on-line monitoring common at present mainly comprises fish, photogen Daphnia magna, algae etc.
Its Mesichthyes is much more responsive than the mankind to the reaction of water pollution; when occur in water body such as oils, poisonous dangerous material reveal or by people for poison etc. burst accident time; often there is abnormal movement or mass mortality in the short time in fish, can very intuitively open fire matter be polluted suddenly.In toxicity in fish method of testing, because the similarity of zebra fish gene and human gene reaches 87%, generally choose the indicator organism of zebra fish as biological monitoring and early warning.
Simultaneously by monitoring index simple, the test period is long, testing cost is high, be subject to the impact of the shortcomings such as the extraneous factor such as water temperature, bait interference, the range of application of toxicity in fish method of testing is subject to a definite limitation.In fact these shortcomings are main has much relations with the bio-toxicity characteristic manner of current China.Current China adopts 96h or 48h MLC (median lethal concertration) (LC50) characterization method.Its shortcoming is, the water body (as variety classes pesticide wastewater) that differ greatly complicated for water quality, LC50 concentration difference may be very large, is thus difficult to setting one comparatively reasonably concentration limit, larger on the accuracy impact of result.
And the developed country such as the U.S., Germany all adopts extension rate bio-toxicity characteristic manner at present.As U.S. EPA adopts " toxic unit (TU) " to express, acute toxicity unit TUa=100%/LC50.Wherein LC50 water body dilution ratio is expressed, according to TU value, waste water is divided into 5 grades: grade I (TU < 0.4 is nontoxic), grade II (the micro-poison of 0.4≤TU < 1), grade III (1≤TU < 10 is poisoning), grade IV (the high poison of 10≤TU < 100), grade V (TU >=100 severe toxicity); According to the result of parameter in bio kinetic model, based on toxicity grading system, carry out the safety evaluatio of environmental water sample. the method has fully utilized the result of multiple parameter in bio kinetic model, intuitively can characterize the size of water body to bio-toxicity, there is the advantages such as simple to operate, testing cost is low, visual result is sensitive, be worthy to be popularized.
Summary of the invention
1, the technical matters that will solve is invented
For above-mentioned Problems existing, the object of the present invention is to provide a kind of saprobe toxicity on-line monitoring prior-warning device, this device effectively can improve the early warning sensitivity to water pollution especially burst pollution, quick reply various burst water pollution accident, ensures the safety of water body especially potable water source district.
2, technical scheme
For reaching this object, the technical solution adopted in the present invention is:
A kind of saprobe toxicity on-line monitoring prior-warning device, is made up of control module, support, sample injection unit, cultivation unit and detecting unit; Its compact conformation is reasonable, and Automated condtrol is high.
Control module comprises main control module, power supply and man-machine interface, and main control module is connected with man-machine interface by cable, by Power supply; Main control module comprises peristaltic pump control module, relay, temperature sensor modular converter, report to the police warning, image processing module and PLC or single-chip microcomputer.
Support comprises framework, back up pad and fixed bar, and install fixing control module in framework, and be fixedly connected with back up pad, fixed bar, framework is the cavity body structure main frame of device, is provided with multiple peristaltic pump mounting hole, man-machine interface mounting hole and poling hole.
Sample injection unit comprises peristaltic pump, T-valve I, T-valve II, distilled water and water sample, and peristaltic pump is connected with main control module by cable; Sample injection unit can arrange the described peristaltic pump of many groups, and the number often organized can select one or two according to different water sample blending ratios.When described one group of peristaltic pump comprises one, its water inlet end water receiving sample, and realize peristaltic pump by the rotating speed and turning to that control module controls peristaltic pump and be sampled to T-valve and be assigned to two water supply connectors to cultivating cup.When described one group of peristaltic pump comprises two, its water inlet end connects distilled water and water sample respectively, and realize mixing by the T-valve that is sampled to that the rotating speed and turning to of control module synchro control two peristaltic pumps respectively realizes two peristaltic pumps, be then assigned to two water supply connectors to each cultivation cup by T-valve.
Cultivate unit and comprise incubator, box for breeding, cultivation cup, water supply connector, overflow adapter, fixed head, location-plate, ceramic heating flake, web joint, heat radiator, overflow groove, water out adapter, valve, temperature control water and temperature sensor, described incubator is built with temperature control water and be provided with Draw off valve, be fixed on framework by fixed head, underrun web joint is fixedly connected with multiple heat radiator and does not directly contact; Described box for breeding is installed in the left chamber of incubator, and bottom surface portions is dipped in temperature control water; Described cultivation cup is fastened in the middle of fixed head and location-plate, above has water supply connector and overflow adapter, and lower part is dipped in temperature control water; Described two cultivation cups are one group, often the water supply connector of group cultivation cup connecting tee valve II two ends respectively; Described adverse current joint connects overflow groove by flexible pipe; Described fixed head and location-plate are mounted in the right chamber of incubator, and are respectively equipped with multiple cultivation cup fixed orifice; Described ceramic heating flake is connected with main control module by cable, is installed in the middle of incubator bottom surface and heat radiator, and upper and lower surface directly contacts with above incubator bottom surface and heat radiator respectively; Described overflow groove is provided with water out adapter; Described temperature sensor is installed in incubator inner chamber, and is distributed in temperature control water, is connected with main control module by cable;
Cultivate unit and many group cultivation cups can be set, and set different water samples and distilled water blending ratio for each cultivation cup; Its blending ratio, water intake velocity are all realized the rotating speed that the incoming frequency of peristaltic pump motor controls peristaltic pump respectively by main control module setting; Its each peristaltic pump can be operated continuously by the setting of time test period, for the water sample entered continuously in each cultivation cup, by adverse current coupler bore to groove against the current, then is discharged to outside by water out adapter, realizes cultivation water in the cup matter and circulates; Eliminate the interference that water temperature to be not suitable for etc. affecting the factor of fish normal existence.
Detecting unit comprises slide block and video camera, and described video camera is fixed on fixed bar by slide block; Be connected with main control module by cable, by the image processing module drived control of main control module, and the track state of zebra fish in all cultivation cups of moment monitoring record, and according to before and after zebra fish moment track state change do warning reaction; This device adopts Automatic Control Theory, and the comprehensive evaluation mixed by multiple proportional test bar, can calculate the TU value of each sample respectively, using the TU value average of all tests as final TU value, makes testing result more accurate.
In the burst pollution situations such as noxious material leakage, as unexpected strenuous exercise or long-time without abnormal occurrencies such as motion tracks in the short time appears in the fish cultivated in cup, then automatically trigger main control module warning alarm function, remind staff to rush for rapidly scene and carry out emergency processing, the long-time on-the-spot workload paid close attention to of the personnel that effectively reduce.
The incubator that device of the present invention cultivates unit is made by good Heat Conduction Material and has the non-leakage cavity body structure of sealing; Web joint material is by not Heat Conduction Material making; Described heat radiator is made by good thermal conductive material.
3, beneficial effect
Compare prior art, beneficial effect of the present invention is as follows:
(1) the present invention is on the basis adopting U.S. EPA extension rate bio-toxicity characterizing method, eliminates the interference that water temperature to be not suitable for etc. affecting the factor of fish normal existence; Temperature control aspect adopts the ceramic heating flake heating or refrigeration that can freeze and heat, and the temperature being realized temperature control water by heat trnasfer is increased or raises; Detected in real time by the temperature sensor immersed in temperature control water in constant temperature, feed back to control system, compare with set temperature, switched by the break-make of pilot relay and realize heating and cooling control, and then ensure the temperature constant of temperature control water;
(2) apparatus of the present invention adopt Automatic Control Theory, and the comprehensive evaluation mixed by multiple proportional test bar, can calculate the TU value of each sample respectively, using the TU value average of all tests as final TU value, makes testing result more accurate;
(3) apparatus of the present invention control module adopts PLC to control, and the Automatic continuous that can be realized everything by man-machine interface setting model is run; Adopting simultaneously, at linear track following analysis imaging technique, Real-Time Monitoring is carried out to the fish in each cultivation cup, carrying out alarm when there is the emergency conditioies such as fish kills, the long-time on-the-spot workload paid close attention to of the personnel that effectively reduce;
(4) layout aspect of the present invention adopts box for breeding to be combined with test site.Integral structure layout is compact, can use under the multiple environment such as fixed station or mobile detection apparatus;
(5) sample introduction water circulation aspect of the present invention: all drivings adopt stepper motor to add peristaltic pump sample introduction, make to control simply, speed is easy to adjust.Arrange two or more cultivation cup be one group as water sample control group, especially can arrange many groups and often group realizes different mixing proportion water sample by the rotating speed of adjustment sample introduction peristaltic pump, be extracted to obtain average T U value by polycomponent, make testing result more accurately good.Especially in the uninterrupted water filling by peristaltic pump, in the discharge of cultivation cup by reverse flow hole, make to reflect water quality environment completely in real time in cultivation cup.Especially on pipeline, adopt PTFE pipe fitting, acid and alkali-resistance, be substantially applicable to all kinds of water quality environment.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of saprobe toxicity on-line monitoring prior-warning device of the present invention.
Fig. 2 is the cut-open view of saprobe toxicity on-line monitoring prior-warning device of the present invention.
Fig. 3 is the cut-open view that saprobe toxicity on-line monitoring prior-warning device of the present invention cultivates unit.
In figure, 1, control module; 1.1, main control module; 1.2, power supply; 1.3, man-machine interface; 2, support; 2.1, framework; 2.2, back up pad; 2.3, fixed bar; 3, sample injection unit; 3.1, peristaltic pump; 3.2, T-valve I; 3.3, T-valve II; 3.4, distilled water; 3.5, water sample; 4, unit is cultivated; 4.1, incubator; 4.2, box for breeding; 4.3, cup is cultivated; 4.4, water supply connector; 4.5, overflow adapter; 4.6, fixed head; 4.7, location-plate; 4.8, ceramic heating flake; 4.9, web joint; 4.10, heat radiator; 4.11, overflow groove; 4.12, water out adapter; 4.13, valve; 4.14, temperature control water; 4.15, temperature sensor; 5, detecting unit; 5.1, slide block; 5.2, video camera.
Embodiment:
For better the present invention being described, be convenient to understand technical scheme of the present invention, typical but non-limiting embodiment of the present invention is as follows:
Embodiment:
A kind of saprobe toxicity on-line monitoring prior-warning device is made up of control module 1, support 2, sample injection unit 3, cultivation unit 4 and detecting unit 5.
Control module 1 is made up of main control module 1.1, power supply 1.2 and man-machine interface 1.3; Wherein main control module 1.1 is connected with described man-machine interface 1.3, peristaltic pump 3.1, ceramic heating flake 4.8, temperature sensor 4.15, video camera 5.2 by cable; Described main control module 1.1 comprises PLC or single-chip microcomputer, peristaltic pump control module, relay, temperature sensor modular converter, reports to the police and warn and image processing module, is powered by power supply 1.2.
Support 2 is made up of framework 2.1, back up pad 2.2 and fixed bar 2.3, and its middle frame 2.1 is the cavity body structure main frame of this parameter in bio kinetic model device, is provided with multiple peristaltic pump mounting hole, man-machine interface 1.3 mounting hole and poling hole; Fixing control module 1 is installed in framework 2.1; And be connected and fixed with back up pad 2.2, fixed bar 2.3.
Sample injection unit 3 is made up of peristaltic pump 3.1, T-valve I 3.2, T-valve II 3.3, distilled water 3.4 and water sample 3.5; Can arrange the described peristaltic pump 3.1 of many groups, the number often organized can select one or two according to different water sample blending ratios.When described one group of peristaltic pump 3.1 comprises one, its water inlet end water receiving sample 3.5, and realize peristaltic pump 3.1 by the rotating speed and turning to that control module 1 controls peristaltic pump 3.1 and be sampled to T-valve II 3.3 and be assigned to two water supply connectors 4.4 to cultivation cup 4.3.When described one group of peristaltic pump 3.1 comprises two, its water inlet end connects distilled water 3.4 and water sample 3.5 respectively, and realize mixing by the T-valve I 3.2 that is sampled to that the rotating speed and turning to of control module 1 synchro control two peristaltic pumps 3.1 respectively realizes two peristaltic pumps 3.1, be then assigned to two water supply connectors 4.4 to cultivation cup 4.3 by T-valve II 3.3.
Described cultivation unit 4 comprises incubator 4.1, box for breeding 4.2, cultivation cup 4.3, water supply connector 4.4, overflow adapter 4.5, fixed head 4.6, location-plate 4.7, ceramic heating flake 4.8, web joint 4.9, heat radiator 4.10, overflow groove 4.11, water out adapter 4.12, valve 4.13, temperature control water 4.14, temperature sensor 4.15.Described incubator 4.1 makes for good thermal conductive material and is seal non-leakage cavity body structure, built with temperature control water 4.14; Described incubator 4.1 is fixed in framework 2.1 by fixed head 4.6; Described incubator 4.1 underrun web joint 4.9 is connected and fixed with multiple heat radiator 4.10 and does not directly contact; Described ceramic heating flake 4.8 is installed in the middle of incubator 4.1 bottom surface and heat radiator 4.10, and upper and lower surface directly contacts with heat radiator 4.10 above with incubator 4.1 bottom surface respectively; Described web joint 4.9 material is that Heat Conduction Material does not make; Described heat radiator 4.10 is good thermal conductive material making; Described temperature sensor 4.15 is installed in incubator 4.1 inner chamber, and is distributed in temperature control water 4.14; Described box for breeding 4.2 is installed in the left chamber of incubator 4.1, and bottom surface portions is dipped in temperature control water 4.14; Fixed head 4.6 and location-plate 4.7 are mounted in the right chamber of incubator 4.1; Described fixed head 4.6 and location-plate 4.7 are provided with multiple cultivation cup 4.3 fixed orifice; It is middle with location-plate 4.7 that described cultivation cup 4.3 is fastened on fixed head 4.6; Described cultivation cup 4.3 has water supply connector 4.4 and overflow adapter 4.5; Described two cultivation cups 4.3 are one group; Water supply connector 4.4 connecting tee II 3.3 two ends respectively of described one group of cultivation cup 4.3; Described cultivation cup 4.3 lower part is dipped in temperature control water 4.14; Described adverse current joint 4.5 connects overflow groove 4.11 by flexible pipe; Described overflow groove 4.11 is provided with water out adapter 4.12; Described incubator 4.1 is provided with Draw off valve 4.13.
Described detecting unit 5 comprises slide block 5.1, video camera 5.2.Described video camera 5.2 is fixed on fixed bar 2.3 by slide block 5.1; Described video camera 5.2 is by the image processing module drived control of main control module 1.1, and the track state of zebra fish in all cultivation cups of moment monitoring record, and according to before and after zebra fish moment track state change do warning reaction.
The survival condition of fish in described cultivation cup 4.3, by the setting of thermostat, makes the water cultivated in cup 4.3 be in design temperature by heat trnasfer, uninterrupted travelling in cultivation cup 4.3 according to Fish Survival characteristic.The different proportion being realized distilled water and water sample by the different rotating speeds of each peristaltic pump is mixed into cultivation cup.After continuous injection, to certain liquid level, liquid is got rid of by adverse current nipple orifice, guarantees that cultivation water in the cup is in recurrent state always.
Specific works principle of the present invention is described as follows:
Temperature control aspect: before starting monitoring, by adding temperature control water 4.14 in incubator 4.1, according to different Fish Survival environment temperature, design temperature, fed back by the real time temperature of temperature sensor 4.15, main control module 1.1 controls heating or the refrigeration of ceramic heating flake 4.8, is controlled the temperature variation of temperature control water 4.14 by heat trnasfer, until arrive design temperature; The box for breeding 4.2 be provided with on the left of the present invention is Heat Conduction Material making cavity body structure, and bottom is dipped in temperature control water 4.14, and by heat trnasfer, the constant temperature of liquid in final guard box, can be used as fish culture case 4.2 and use; In like manner, cultivating cup 4.3 is also the temperature control being realized liquid in cup by this principle; After end to be monitored, the unlatching by valve realizes the discharge of temperature control water 4.14.
Liquid-circulating aspect: many group cultivation cups 4.3 are set, and set different water samples and distilled water blending ratio for each cultivation cup 4.3; To arrange four groups of cultivation cups 4.3, the blending ratio often organized can be set to 10%, 25%, 50%, 100%; Wherein for first three groups cultivation cup 4.3, often group mixes water supply by two peristaltic pumps 3.1 by threeway, and one of them supplies distilled water 3.4 for water sample 3.5; Its blending ratio sets the rotating speed realization incoming frequency of peristaltic pump 3.1 motor being controlled respectively to peristaltic pump 3.1 by main control module 1.1; Its 4th kind of 100% single liquid water sample, directly supplies water sample 3.5 to cultivation cup 4.3 by a peristaltic pump 3.1, and its water intake velocity is also set by main control module 1.1 the rotating speed realization incoming frequency of peristaltic pump 3.1 motor being controlled to peristaltic pump 3.1; Its each peristaltic pump 3.1 can be operated continuously by the setting of time test period, for the water sample 3.5 entered continuously in each cultivation cup 4.3, by overflow adapter 4.5 endoporus to overflow groove 4.11, then be discharged to outside by water out adapter 4.12, realize water quality circulation in cultivation cup 4.3.
Context of detection: the image processing module Real Time Drive of main control module 1.1 controls the footprint that video camera 5.2 records fish in each cultivation cup 4.3 in sensing range; According to different reaction time and water sample blending ratio, by recording the zebra fish active situation (as travelling, dead etc.) of each cultivation cup 4.3, and then calculate the average T U value of often group cultivation cup 4.3, by contrasting with water body acute toxicity evaluation criterion, the acute toxicity grade of this water body can be determined.
Especially in the burst pollution situations such as noxious material leakage, as unexpected strenuous exercise or long-time without abnormal occurrencies such as motion tracks in the short time appears in the fish cultivated in cup 4.3, then automatic trigger alarm prompt facility, reminds staff to rush for rapidly scene and carries out emergency processing.
Certainly; the parameters such as the pump number set in above-mentioned explanation, cultivation cup group number, often group cultivation cup number, water sample blending ratio are not limitation of the present invention; in essential scope of the present invention, the change made, remodeling, interpolation or replacement, all should belong to protection scope of the present invention.

Claims (7)

1. a saprobe toxicity on-line monitoring prior-warning device, it is characterized in that, described device comprises control module (1), support (2), sample injection unit (3), cultivates unit (4) and detecting unit (5), wherein:
Described control module (1) comprises main control module (1.1), power supply (1.2) and man-machine interface (1.3);
Described support (2) comprises framework (2.1), back up pad (2.2) and fixed bar (2.3), fixing control module (1) is installed in framework (2.1), and is fixedly connected with back up pad (2.2), fixed bar (2.3);
Described sample injection unit (3) comprises peristaltic pump (3.1), threeway I (3.2), threeway II (3.3), distilled water (3.4) and water sample (3.5);
Described cultivation unit (4) comprises incubator (4.1), box for breeding (4.2), cultivation cup (4.3), water supply connector (4.4), overflow adapter (4.5), fixed head (4.6), location-plate (4.7), ceramic heating flake (4.8), web joint (4.9), heat radiator (4.10), overflow groove (4.11), water out adapter (4.12), valve (4.13), temperature control water (4.14) and temperature sensor (4.15); Described incubator (4.1) is built with temperature control water (4.14) and be provided with Draw off valve (4.13), be fixed on framework (2.1) by fixed head (4.6), underrun web joint (4.9) is fixedly connected with multiple heat radiator (4.10) and does not directly contact; Described box for breeding (4.2) is installed in incubator (4.1) left chamber, and bottom surface portions is dipped in temperature control water (4.14); It is middle with location-plate (4.7) that described cultivation cup (4.3) is fastened on fixed head (4.6), on have water supply connector (4.4) and overflow adapter (4.5), lower part is dipped in temperature control water (4.14); Described two cultivation cup (4.3) are one group, often the water supply connector (4.4) of group cultivation cup (4.3) connecting tee II (3.3) two ends respectively; Described adverse current joint (4.5) connects overflow groove (4.11) by flexible pipe; Described fixed head (4.6) and location-plate (4.7) are mounted in incubator (4.1) right chamber, and are respectively equipped with multiple cultivation cup (4.3) fixed orifice; Described ceramic heating flake (4.8) is installed in the middle of incubator (4.1) bottom surface and heat radiator (4.10), and upper and lower surface directly contacts with heat radiator (4.10) above with incubator (4.1) bottom surface respectively; Described overflow groove (4.11) is provided with water out adapter (4.12); Described temperature sensor (4.15) is installed in incubator (4.1) inner chamber, and is distributed in temperature control water (4.14);
Described detecting unit (5) comprises slide block (5.1) and video camera (5.2), and described video camera (5.2) is fixed on fixed bar (2.3) by slide block (5.1).
2. saprobe toxicity on-line monitoring prior-warning device according to claim 1, it is characterized in that, the PLC that the main control module (1.1) of described device control units (1) is self-programming, is connected with man-machine interface (1.3), peristaltic pump (3.1), ceramic heating flake (4.8), video camera (5.2) by cable.
3. saprobe toxicity on-line monitoring prior-warning device according to claim 1, it is characterized in that, the main control module (1.1) of described device control units (1) comprises peristaltic pump control module, relay, temperature sensor modular converter, report to the police warning, image processing module and PLC or single-chip microcomputer.
4. saprobe toxicity on-line monitoring prior-warning device according to claim 1, it is characterized in that, the cavity body structure main frame that the framework (2.1) of described appliance stand (2) is described device, is provided with multiple peristaltic pump mounting hole, man-machine interface (1.3) mounting hole and poling hole.
5. saprobe toxicity on-line monitoring prior-warning device according to claim 1, it is characterized in that, described device sample injection unit (3) can be arranged organizes peristaltic pump (3.1) more, and the number often organized can select one or two according to different water sample blending ratios; When described one group of peristaltic pump (3.1) comprises one, its water inlet end water receiving sample (3.5), and realize peristaltic pump (3.1) by the rotating speed and turning to that control module (1) controls peristaltic pump (3.1) and be sampled to T-valve II (3.3) and be assigned to two water supply connectors (4.4) to cultivating cup (4.3); When described one group of peristaltic pump (3.1) comprises two, its water inlet end connects distilled water (3.4) and water sample (3.5) respectively, and pass through the rotating speed of control module (1) difference synchro control two peristaltic pumps (3.1) and turn to the T-valve I (3.2) that is sampled to realizing two peristaltic pumps (3.1) to realize mixing, be then assigned to two water supply connectors (4.4) to cultivating cup (4.3) by T-valve II (3.3).
6. saprobe toxicity on-line monitoring prior-warning device according to claim 1, is characterized in that, the incubator (4.1) that described device cultivates unit (4) is made by good Heat Conduction Material and has the non-leakage cavity body structure of sealing; Web joint (4.9) material is by not Heat Conduction Material making; Described heat radiator (4.10) is made by good thermal conductive material.
7. saprobe toxicity on-line monitoring prior-warning device according to claim 1, is characterized in that, the video camera (5.2) of described device detecting unit (5) is by the image processing module drived control of main control module (1.1).
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CN107967564A (en) * 2017-12-01 2018-04-27 四川卫利洁环保科技有限公司 A kind of sewage early-warning processing method and system
CN108120812A (en) * 2017-12-14 2018-06-05 常州大学 In a kind of dyeing waste water in groups biological toxicity tests and differentiate appraisal procedure
CN108776206A (en) * 2018-07-26 2018-11-09 俞怡蒙 A kind of portable smart water quality detector and its detection method
CN110415770A (en) * 2019-08-26 2019-11-05 南京大学 A method of simplifying the prediction chemicals embryonic development toxicity of transcript profile based on docs-effect

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