CN118010636A - On-line monitor and monitoring method for biotoxicity water quality - Google Patents
On-line monitor and monitoring method for biotoxicity water quality Download PDFInfo
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- CN118010636A CN118010636A CN202410413098.7A CN202410413098A CN118010636A CN 118010636 A CN118010636 A CN 118010636A CN 202410413098 A CN202410413098 A CN 202410413098A CN 118010636 A CN118010636 A CN 118010636A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 304
- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 70
- 238000011010 flushing procedure Methods 0.000 claims abstract description 70
- 230000001681 protective effect Effects 0.000 claims abstract description 41
- 238000005070 sampling Methods 0.000 claims description 42
- 238000011084 recovery Methods 0.000 claims description 40
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 30
- 239000002351 wastewater Substances 0.000 claims description 25
- 239000007921 spray Substances 0.000 claims description 19
- 229910052742 iron Inorganic materials 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000523 sample Substances 0.000 description 53
- 238000005259 measurement Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 239000012535 impurity Substances 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 5
- 231100000419 toxicity Toxicity 0.000 description 5
- 230000001988 toxicity Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000004166 bioassay Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008512 biological response Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009614 chemical analysis method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/11—Filling or emptying of cuvettes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/11—Filling or emptying of cuvettes
- G01N2021/115—Washing; Purging
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The invention discloses an on-line biotoxicity water quality monitor and a monitoring method, and belongs to the technical field of water quality detection. The utility model provides a biotoxicity quality of water on-line monitoring appearance, includes the fixing base, still includes: the protective cover is fixedly connected to the upper end of the fixed seat; the protective cover is internally provided with a driving part for driving the rotary pipe to rotate, the rotary cover is sequentially provided with a detection station, a flushing station and a water adding station, and the detection station, the flushing station and the water adding station are sequentially provided with a detection part, a flushing part and a water taking part; the three water storage boxes are respectively arranged on the detection station, the flushing station and the water adding station; wherein, the lower ends of the three water storage boxes are fixedly connected with flat drain pipes; the invention can effectively avoid the influence of the stain on the container and the inner wall of the container on the detection result, and improves the biotoxicity water quality monitoring effect.
Description
Technical Field
The invention relates to the technical field of water quality detection, in particular to an on-line biotoxicity water quality monitor and a monitoring method.
Background
Environmental water pollution is increasingly serious, and the conventional chemical analysis method can only qualitatively or quantitatively test the components or the concentration of pollutants and cannot evaluate the comprehensive toxic effect of the water. Bioassays are based on the use of biological responses to environmental changes to characterize contaminant toxicity and allow for the accurate assessment of the combined toxicity of single or multiple contaminants. Among them, the luminescent bacterial method is a technique which is applied earlier and more mature in bioassays. The technology utilizes the characteristic that the luminous intensity is changed linearly after the luminous bacteria are contacted with toxic substances, and particularly combines the characteristic with a photoelectric technology means to prepare the water quality toxicity on-line monitoring system, so that the water quality safety can be rapidly evaluated.
In the prior art, the water toxicity on-line monitoring method mainly tests the transmittance of a water sample through an optical probe; in the monitoring process, a container is needed to temporarily store a sample, light generated by the optical probe needs to penetrate through the container and a water sample, dirt is easily accumulated on the inner wall of the container after the container is used for multiple times, and the container can shield the light, so that the detection result of water quality biotoxicity can be affected.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an on-line monitor and a monitoring method for biotoxicity water quality.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a biotoxicity quality of water on-line monitoring appearance, includes the fixing base, still includes: the protective cover is fixedly connected to the upper end of the fixed seat; the protective cover is internally provided with a driving part for driving the rotary pipe to rotate, the rotary cover is sequentially provided with a detection station, a flushing station and a water adding station, and the detection station, the flushing station and the water adding station are sequentially provided with a detection part, a flushing part and a water taking part; the three water storage boxes are respectively arranged on the detection station, the flushing station and the water adding station; wherein, three the equal fixedly connected with platykurtic drain pipe of lower extreme of water storage box, three the equal longitudinal sliding connection of drain pipe is on the carousel, and three the bottom of drain pipe all is equipped with the part that opens and shuts.
In order to facilitate the rotation of the driving turntable, preferably, the driving part comprises a driving motor fixedly installed on the protective cover, a driving gear is fixedly installed at the output end of the driving motor, and a driven gear in meshed connection with the driving gear is fixedly installed on the outer wall of the rotating pipe.
In order to facilitate the detection of biotoxicity of a water sample, preferably, the detection part comprises two brackets fixedly connected in a protective cover, and a light source and a detector are fixedly arranged on the two brackets respectively; the light source and the detector are respectively arranged on two sides of the lower end of the drain pipe on the detection station, the bottom of the protective cover is fixedly connected with a recovery pipe positioned on the detection station, and the recovery pipe is arranged below the drain pipe.
In order to flush the storage box, the flushing part further comprises a spray pipe fixedly arranged at the inner top of the protective cover, and a spray head is fixedly arranged at the lower end of the spray pipe; the top of the protective cover is fixedly provided with a flushing pump, the output end of the flushing pump is fixedly connected with the spray pipe through a conveying pipe, the bottom of the protective cover is fixedly connected with a recovery box, the lower end of the recovery pipe extends into the recovery box, the output end of the flushing pump is fixedly connected with a conveying pipe extending to the bottom in the recovery box, and the input end of the flushing pump is also detachably provided with a purification filter element; the inner bottom of the protective cover is fixedly connected with an outer pipe encircling the periphery of the recovery pipe, a ventilation gap is arranged between the outer pipe and the outer wall of the recovery pipe, and the length of the outer pipe is larger than that of the recovery pipe.
In order to automatically complete the water sample adding work, the water adding part further comprises a water adding pump fixedly arranged at the top of the protective cover, and the output end of the water adding pump is fixedly connected with a water adding pipe extending to the inner top of the protective cover; the input end of the water adding pump is connected with the sampling head through the lifting part, the lifting part is used for driving the sampling head to reciprocate up and down, and the input end of the water adding pump is also detachably provided with the primary filter element.
In order to automatically collect water samples with different depths, the lifting part further comprises a reciprocating screw rod fixedly connected to the outer wall of the lower end of the rotary tube, and a guide rail which is arranged in parallel with the reciprocating screw rod is fixedly connected to the fixing seat; the outer wall threaded connection of the reciprocating screw rod has a reciprocating slide block in sliding connection with the guide rail, the sampling head is fixedly connected to the reciprocating slide block, the input end of the water adding pump is fixedly connected with the top of the rotary pipe, and the lower end of the rotary pipe is fixedly connected with the sampling head through a hose.
In order to automatically complete the opening and closing work of the drain pipe, preferably, the opening and closing component comprises supports fixedly connected to two sides of the lower end of the drain pipe, and a baffle is rotatably connected to both supports; the support is also provided with a torsion spring, under the action of the torsion spring, the two baffles are attached to the lower end of the drain pipe, and one end, far away from the lower port of the drain pipe, of each baffle is fixedly connected with an iron block; the arc magnet is fixedly connected in the protective cover and spans across the detection station and the flushing station.
For the convenience of collecting waste water, preferably, the inner bottom fixedly connected with C shape waste water cover of protection casing, the C shape mouth of C shape waste water cover is towards detecting the station, the bottom fixedly connected with of C shape waste water cover extends to the blow off pipe of protection casing outer wall.
In order to enable the water storage box to shake during flushing, preferably, the outer wall of the drain pipe is fixedly connected with a limiting plate, and the limiting plate is elastically connected with the upper end of the turntable through a spring; the inner top of the protective cover is fixedly connected with an annular plate through a suspender, a plurality of arcuately distributed lugs are fixedly connected to the annular plate, and the arcuately distributed lugs are arranged between a flushing station and a detection station and pass through a water adding station; the lower end of the limiting plate is rotatably provided with a roller which is abutted against the annular plate.
A biotoxicity water quality monitoring method comprises the following operation steps:
step one: indirectly starting a driving motor, a water adding pump and a flushing pump at regular time through a controller;
step two: when the water storage box moves to the water processing station, the water storage box stores water samples, and the sampling head adjusts the sampling depth;
step three: when the water storage box moves to the detection station, a water sample passes through the space between the light source and the detector;
Step four: when the water storage box moves to the flushing station, the water storage box is flushed;
Step five: repeating the steps from the second step to the fourth step to finish continuous monitoring of the water sample.
Compared with the prior art, the invention provides an on-line monitor for biotoxicity water quality, which has the following beneficial effects:
1. The light emitted by the light source can penetrate through the flat water column between the drain pipe and the recovery pipe and is received by the detector, so that the biotoxicity of the water sample can be detected, and the light source does not need to penetrate through the container during detection, thereby effectively avoiding the influence of stains on the detection result by the container and the inner wall of the container and improving the biotoxicity water quality monitoring effect.
2. According to the biotoxicity water quality on-line monitor, the water storage box and the drain pipe are flushed through the spray head, so that the water storage box and the drain pipe are kept clean, and the accuracy of each detection result can be improved.
3. According to the biotoxicity water quality on-line monitor, rotational flow can be generated on the water sample inside through the rotating pipe, so that impurities in the water sample are not easy to adhere to the inner wall of the rotating pipe, and the influence on the detection result caused by mutual mixing among various groups of water samples is reduced.
4. According to the biotoxicity water quality on-line monitor, the sampling head is driven to reciprocate up and down through the reciprocating sliding block, and the driving motor drives the rotary pipe to indirectly rotate, so that the depth of each sampling of the sampling head can be changed, the biotoxicity of water samples with different depths can be monitored in real time, and the detection result is more representative.
5. This biotoxicity quality of water on-line monitoring appearance still can drive the reciprocal distortion of hose through the sampling head that reciprocates, then be difficult for piling up the incrustation scale in the hose, makes difficult mutual pollution between the water sample, promotes the detection precision of follow-up water sample indirectly.
6. This biotoxicity quality of water on-line monitoring appearance drives the gyro wheel and sweeps a plurality of lugs in proper order through the drain pipe to can drive the synchronous shake of water storage box, the water of the water storage box of shake and drain pipe can shake off its inner wall and dirt, make water storage box and drain pipe inner wall be difficult for accumulating water droplet and incrustation scale, ensured the detection precision of follow-up water sample.
Drawings
FIG. 1 is a schematic view of a first view angle axis measurement structure of an on-line monitor for biotoxicity water quality according to the present invention;
FIG. 2 is a schematic diagram of a second view angle axis measurement structure of the on-line monitor for biotoxicity water quality according to the present invention;
FIG. 3 is a schematic diagram of a sectional axial measurement structure of an on-line monitor for biotoxicity water quality;
FIG. 4 is a schematic diagram of a local axial measurement structure of an on-line monitor for biotoxicity water quality according to the present invention;
FIG. 5 is a schematic diagram of a local axial measurement structure of an on-line monitor for biotoxicity water quality according to the present invention;
FIG. 6 is a schematic diagram of a turntable axis measurement structure of an on-line monitor for biotoxicity water quality according to the present invention;
FIG. 7 is a schematic diagram of the shaft-measurement structure of a rotor tube of the online biotoxicity water quality monitor according to the present invention;
FIG. 8 is a schematic diagram of the axial measurement structure of the recovery box of the online biotoxicity water quality monitor provided by the invention;
FIG. 9 is a schematic diagram of the axial measurement structure of a water storage box of the on-line monitor for biotoxicity water quality;
FIG. 10 is a schematic diagram of an axial measurement structure of an outer tube of an on-line monitor for biotoxicity water quality;
FIG. 11 is a schematic diagram of a C-shaped wastewater cover axis measurement structure of an on-line monitor for biotoxicity water quality.
In the figure: 1. a fixing seat; 2. a protective cover; 3. a rotary pipe; 4. a turntable; 5. a water storage box; 6. a drain pipe; 7. a bracket; 8. a light source; 9. a detector; 10. a recovery pipe; 11. a spray pipe; 12. a spray head; 13. a water supply pipe; 14. a drive gear; 15. a driven gear; 16. a guide rail; 17. a reciprocating screw; 18. a reciprocating slide block; 19. a sampling head; 20. a hose; 21. adding a water pump; 22. a driving motor; 23. a recovery box; 24. a flushing pump; 25. a transmission tube; 26. a delivery tube; 27. a limiting plate; 28. a spring; 29. a roller; 30. a bump; 31. a support; 32. a baffle; 33. iron blocks; 34. a C-shaped waste water cover; 35. an arc-shaped magnet; 36. a blow-down pipe; 37. an annular plate; 38. a boom; 39. an outer tube.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Embodiment one:
Referring to fig. 1 to 11, an on-line monitor for water quality with biotoxicity, comprising a fixing seat 1 for fixing the whole device, further comprising: the protective cover 2 is used for protecting the detection structure and is fixedly connected to the upper end of the fixed seat 1; the inside of the protective cover 2 is rotatably connected with a rotary table 4 through a rotary pipe 3, a driving part for driving the rotary pipe 3 to rotate is arranged in the protective cover 2, the driving part comprises a driving motor 22 fixedly arranged on the protective cover 2, a driving gear 14 is fixedly arranged at the output end of the driving motor 22, a driven gear 15 meshed with the driving gear 14 is fixedly arranged on the outer wall of the rotary pipe 3, a detection station, a flushing station and a water adding station are sequentially arranged on the rotary table 4, a detection part, a flushing part and a water taking part are sequentially arranged on the detection station, the flushing station and the water adding station, the detection part is used for detecting biotoxicity of a water sample, the flushing part is used for flushing the water sample container, and the water adding part is used for adding the water sample into the container; the three water storage boxes 5 for storing water samples are respectively arranged on the detection station, the flushing station and the water adding station; wherein, the lower ends of the three water storage boxes 5 are fixedly connected with flat drain pipes 6, the three drain pipes 6 are longitudinally and slidingly connected on the turntable 4, and the bottoms of the three drain pipes 6 are provided with opening and closing parts;
When the water sampling device is used, the fixing seat 1 is fixed at the bottom of a water body, the sampling head 19 is immersed in the water body, then the driving motor 22 is started periodically and indirectly through the controller, when the driving motor 22 is started each time, the driving motor 22 drives the driving gear 14 to rotate, the driving gear 14 drives the rotary pipe 3 to rotate through the driven gear 15, the rotary pipe 3 drives the rotary table 4 to rotate by 120 degrees, and at the moment, three groups of water storage boxes 5 respectively stay on the detection station, the flushing station and the water adding station; at the detection station, the opening and closing part stops blocking the drain pipe 6, the drain pipe 6 can drain the water sample in the water storage box 5, and the detection part can directly detect the discharged flat water column-shaped water sample, so that the influence of the container and the dirt on the inner wall of the container on the detection result can be effectively avoided, and the biotoxicity water quality monitoring effect is improved; in the flushing station, the flushing part can flush the empty water storage box 5 and the drain pipe 6, so that the water storage box 5 and the drain pipe 6 are kept clean, and the accuracy of each detection result can be improved; and in the water adding station, the water adding part can add the water sample into the water storage box 5 so as to finish the automatic sampling work of the water sample.
In another embodiment, the driving gear 14 may be configured as an incomplete gear with a number of one third of the number of teeth of the driven gear 15, so that the continuously rotating driving gear 14 can also intermittently rotate the driven gear 15.
The detection part in the biotoxicity water quality on-line monitor comprises two brackets 7 fixedly connected in a protective cover 2, wherein a light source 8 and a detector 9 are respectively fixedly arranged on the two brackets 7, the light source 8 is used for generating a light beam, and the detector 9 is used for receiving the light beam and is equivalent to the principle of detecting a water sample by an optical probe; wherein, light source 8 and detector 9 set up respectively in the lower extreme both sides of drain pipe 6 on detecting the station, and the bottom fixedly connected with of protection casing 2 is located the recovery pipe 10 that detects the station, and recovery pipe 10 sets up in the below of drain pipe 6.
Specifically, during the period that the flat water sample is discharged by the water discharge pipe 6, the light rays emitted by the light source 8 can pass through the flat water column between the water discharge pipe 6 and the recovery pipe 10 and are received by the detector 9, so that the biotoxicity of the water sample can be detected.
The flushing part in the biotoxic water quality online monitor comprises a spray pipe 11 fixedly arranged at the inner top of the protective cover 2, and a spray head 12 for generating spray is fixedly arranged at the lower end of the spray pipe 11; the top of the protection cover 2 is fixedly provided with a flushing pump 24, the output end of the flushing pump 24 is fixedly connected with the spray pipe 11 through a conveying pipe 26, the bottom of the protection cover 2 is fixedly connected with a recovery box 23, the lower end of the recovery pipe 10 extends into the recovery box 23, the output end of the flushing pump 24 is fixedly connected with a conveying pipe 25 extending to the bottom in the recovery box 23, the input end of the flushing pump 24 is also detachably provided with a purifying filter element, the purifying filter element is used for filtering bacteria in a water sample, and the micropore diameter of an internal filter membrane is smaller than that of the bacteria; the inner bottom of the protection cover 2 is fixedly connected with an outer pipe 39 encircling the periphery of the recovery pipe 10, a ventilation gap is arranged between the outer pipe 39 and the outer wall of the recovery pipe 10, and the length of the outer pipe 39 is greater than that of the recovery pipe 10, and the length difference is 10cm.
Specifically, when the water storage box 5 moves to the flushing station, the flushing pump 24 can pump the waste water in the recovery box 23 through the transmission pipe 25 and finely filter the waste water through the purification filter element, so that the detected water sample is close to no biological toxicity, the purified water can be conveyed into the spraying pipe 11 through the transmission pipe 26, and the spraying pipe 11 can flush the water storage box 5 and the water discharge pipe 6 through the spray head 12 so as to keep the water storage box 5 and the water discharge pipe 6 clean, and the accuracy of each detection result can be improved; in practice, in order to automatically complete the start-stop operation of the flushing pump 24, a travel switch for controlling the flushing pump 24 may be installed at the flushing station, that is, when the water storage box 5 moves to the flushing station, the water storage box 5 may be pushed against the travel switch to automatically turn on the flushing pump 24.
When the water sample is discharged downwards from the recovery pipe 10, negative pressure is generated at the bottom of the outer pipe 39 due to flowing water sample, the specific principle can be referred to as Bernoulli principle, and then the upper port of the outer pipe 39 can absorb air, so that water mist and water vapor generated during the period that the water sample is discharged downwards from the drain pipe 6 can be absorbed, the influence of the water mist on the light source 8 and the detector 9 is reduced, negative pressure is also generated in the recovery box 23 when the water sample is extracted from the transmission pipe 25, and the negative pressure can also generate negative pressure between the recovery pipe 10 and the outer pipe 39.
The water adding part in the biotoxic water quality online monitor comprises a water adding pump 21 fixedly arranged at the top of the protective cover 2, and the output end of the water adding pump 21 is fixedly connected with a water adding pipe 13 extending to the inner top of the protective cover 2; wherein, the input of water pump 21 is connected with sampling head 19 through elevating system, and sampling head 19 is used for absorbing the water sample to the end has the filter screen, and elevating system is used for driving sampling head 19 reciprocating motion from top to bottom, and the input of water pump 21 still detachably installs the filter core of straining, and the filter core of straining is used for filtering the granule impurity in the water sample just, and its inside millipore filtration's aperture is greater than the diameter of bacterium.
Specifically, when the water storage box 5 moves to the water adding station, the water adding pump 21 can extract the water sample in the water body through the sampling head 19, and the water sample is added into the water storage box 5 through the water adding pipe 13 so as to complete the automatic sampling work of the water sample, and in the sampling process, the primary filter element can filter out the particle impurities in the water sample, so that the influence of the particle impurities on the detection result is prevented; in practice, in order to automatically complete the start-up and shutdown of the water pump 21, a travel switch for controlling the water pump 21 may be installed at the water-adding station, that is, when the water storage box 5 moves to the water-adding station, the water storage box 5 may be pushed against the travel switch to automatically turn on the water pump 21.
The inner bottom of the protective cover 2 is fixedly connected with a C-shaped waste water cover 34, a C-shaped opening of the C-shaped waste water cover 34 faces the detection station, and the bottom of the C-shaped waste water cover 34 is fixedly connected with a drain pipe 36 extending to the outer wall of the protective cover 2.
When the water storage box 5 moves away from the detection station, the water storage box 5 moves into the C-shaped waste water cover 34, so that water drops sliding on the water storage box 5 and waste water generated by flushing can be collected into the C-shaped waste water cover 34, and sewage in the C-shaped waste water cover 34 can be discharged out of the protective cover 2 through the drain pipe 36; in practice, the drain end of the drain 36 may be positioned away from the sampling head 19, preferably at a distance of greater than 15 meters, in order to prevent the waste water from affecting the water sample.
Embodiment two:
referring to fig. 1 to 7, substantially the same as in the first embodiment, further, a specific embodiment of the lifting part is specifically disclosed.
The lifting part in the biotoxic water quality online monitor comprises a reciprocating screw rod 17 fixedly connected to the outer wall of the lower end of the rotary tube 3, and a guide rail 16 which is arranged in parallel with the reciprocating screw rod 17 is fixedly connected to the fixed seat 1; the outer wall of the reciprocating screw rod 17 is in threaded connection with a reciprocating slide block 18 which is in sliding connection with the guide rail 16, a sampling head 19 is fixedly connected to the reciprocating slide block 18, the input end of a water adding pump 21 is fixedly connected with the top of the rotary pipe 3, and the lower end of the rotary pipe 3 is fixedly connected with the sampling head 19 through a hose 20.
During the operation of the water adding pump 21, the water adding pump 21 can generate negative pressure to the sampling head 19 through the rotary pipe 3 and the flexible pipe 20, the sampling head 19 can sequentially convey water samples to the water adding pipe 13 through the flexible pipe 20 and the rotary pipe 3, the water samples in the rotary pipe 3 can generate rotational flow during the rotation of the rotary pipe 3, impurities in the water samples are not easy to adhere to the inner wall of the rotary pipe 3, the mutual mixing among various groups of water samples is reduced to influence the detection result, the rotary pipe 3 can drive the reciprocating screw 17 of the outer wall to rotate, the reciprocating screw 17 can drive the reciprocating slide block 18 to reciprocate up and down, the reciprocating slide block 18 can drive the sampling head 19 to reciprocate up and down, the sampling head 19 can indirectly reciprocate up and down due to the driving motor 22, the depth of each sampling of the sampling head 19 can be changed, so that the biotoxicity of the water samples with different depths can be monitored in real time, the detection result is more representative, the activity of bacteria at different depths is also different, the water samples can be easily twisted during the up and down reciprocating movement of the sampling head 19, the water samples can be easily driven to reciprocate up and down, the flexible pipe 20 can not pollute the hose after the water samples are not reciprocally polluted, and the scale can not be reciprocally detected, and the scale can not be indirectly detected.
Embodiment III:
Referring to fig. 3-6 and fig. 8-10, substantially the same as in example two, further, specific embodiments of the opening and closing member are specifically disclosed.
The opening and closing part in the biotoxic water quality online monitor comprises supports 31 fixedly connected to two sides of the lower end of the drain pipe 6, and a baffle 32 is rotatably connected to both supports 31; the support 31 is also provided with a torsion spring, under the action of the torsion spring, the two baffles 32 are attached to the lower end of the drain pipe 6, and one end, far away from the lower port of the drain pipe 6, of the two baffles 32 is fixedly connected with an iron block 33; an arc-shaped magnet 35 for attracting the iron block 33 is fixedly connected in the protective cover 2, and the arc-shaped magnet 35 spans the detection station and the flushing station.
When the water storage box 5 moves to the detection station, the arc magnets 35 adsorb the iron blocks 33 on the two baffles 32, the iron blocks 33 can be lifted upwards, so that the baffles 32 are driven to deflect on the support 31, the two baffles 32 can be converted into an inverted-eight shape from a straight shape, namely, the lower end of the drain pipe 6 is not blocked by the two baffles 32 any more, and the drain pipe 6 can drain an internal water sample; when the water storage box 5 moves to the flushing station, the arc magnets 35 can absorb the iron blocks 33 on the two baffles 32, and the lower end of the drain pipe 6 is not blocked by the two baffles 32 any more so as to finish the flushing operation of the water storage box 5; when the water storage box 5 moves to the water adding station, the arc magnet 35 is not positioned at the upper end of the iron block 33, the iron block 33 cannot be adsorbed by the arc magnet 35, the torsion spring can drive the two baffles 32 to reversely rotate and reset, the lower port of the drain pipe 6 is plugged, and at the moment, a water sample added into the water storage box 5 cannot be discharged from the drain pipe 6.
Embodiment four:
Referring to fig. 6 and 9, substantially the same as the third embodiment, further, a specific embodiment for improving the flushing effect of the water storage tank 5 is added.
The outer wall of the drain pipe 6 is fixedly connected with a limiting plate 27, and the limiting plate 27 is elastically connected with the upper end of the turntable 4 through a spring 28; the inner top of the protective cover 2 is fixedly connected with an annular plate 37 through a hanging rod 38, the annular plate 37 is fixedly connected with a plurality of arc-shaped distributed lugs 30, the number of the lugs 30 is 14-25, the preferred number of the lugs 30 is 16, and the plurality of arc-shaped distributed lugs 30 are arranged between a flushing station and a detection station and pass through a water adding station; the lower end of the limiting plate 27 is rotatably provided with a roller 29 abutting against the annular plate 37.
When the water storage box 5 moves to the water adding station from the flushing station along with the rotary table 4, the water storage box 5 drives the roller 29 to sequentially sweep through the plurality of convex blocks 30 through the water drain pipe 6, and the roller 29 drives the water drain pipe 6 to shake back and forth on the rotary table 4 under the action of the convex blocks 30 and the springs 28, so that the water storage box 5 can be driven to shake synchronously, and the water and dirt on the inner walls of the water storage box 5 and the water drain pipe 6 can be shaken off, so that water drops and scale are not easy to accumulate on the inner walls of the water storage box 5 and the water drain pipe 6, and the detection precision of a subsequent water sample is ensured; when the water storage box 5 moves from the water adding station to the detection station along with the turntable 4, the roller 29 can also sweep over the bumps 30 in sequence, and the water storage box 5 and the drain pipe 6 which store the water sample can shake out part of bubbles in the water sample, so that the influence of the bubbles on the detection result is reduced.
In another embodiment, in order to improve the flushing effect on the water storage box 5, the magnetism of the arc magnet 35 located at the position from the flushing station to the water processing station is smaller than that of the arc magnet 35 at the detection station, that is, the arc magnet 35 is divided into two sections and has different magnetism, so that when the flushing station is used, the two baffles 32 cannot be completely opened due to the smaller magnetism, when the drain pipe 6 discharges the waste water, the waste water can be flushed to the upper end surfaces of the two baffles 32, and the baffles 32 are prevented from being not flushed to affect the representativeness of the subsequent water sample, so that the water sample detection precision is improved; at this time, the water storage box 5 which shakes up and down drives the baffle plate 32 to swing up and down, so that the flushing effect of the baffle plate 32 is improved, and water in the water storage box 5 is discharged from the water discharge pipe 6 in a dynamic mode, namely, the water discharge amount of the water discharge pipe 6 is negligibly small, so that the flushing effect of the water storage box 5 and the water discharge pipe 6 can be improved.
A biotoxicity water quality monitoring method comprises the following operation steps:
step one: the driving motor 22, the water adding pump 21 and the flushing pump 24 are indirectly started at regular time through the controller;
Step two: when the water storage box 5 moves to the water processing station, the water storage box 5 stores water samples, and the sampling head 19 adjusts the sampling depth;
Step three: when the water storage box 5 moves to the detection station, a water sample passes through the space between the light source 8 and the detector 9;
Step four: when the water storage box 5 moves to the flushing station, the water storage box 5 is flushed;
Step five: repeating the steps from the second step to the fourth step to finish continuous monitoring of the water sample.
When the biotoxic water quality online monitor is used, the fixed seat 1 is fixed at the bottom of a water body, the sampling head 19 is immersed in the water body, then the driving motor 22, the water adding pump 21 and the flushing pump 24 are indirectly started at regular time through the controller, and when the driving motor 22 operates, the water adding pump 21 and the flushing pump 24 stop, otherwise, when the driving motor 22 is closed, the water adding pump 21 and the flushing pump 24 are started, the driving motor 22 drives the driving gear 14 to rotate each time when the driving motor 22 is started, the driving gear 14 drives the rotary pipe 3 to rotate through the driven gear 15, the rotary pipe 3 drives the rotary disk 4 to rotate 120 DEG, and three groups of water storage boxes 5 respectively stay on the detection station, the flushing station and the water adding station;
At the detection station: the arc magnets 35 can absorb the iron blocks 33 on the two baffles 32, the iron blocks 33 can be lifted upwards, so that the baffles 32 are driven to deflect on the support 31, the two baffles 32 can be converted into inverted-splay shapes from one shape, namely, the lower ends of the water discharge pipes 6 are not blocked by the two baffles 32, at the moment, water samples in the water storage boxes 5 can be discharged into the recovery pipes 10 through the water discharge pipes 6, the recovery pipes 10 can discharge detected water into the recovery boxes 23, during the period, light rays emitted by the light sources 8 can pass through flat water columns between the water discharge pipes 6 and the recovery pipes 10 and are received by the detectors 9, so that the biotoxicity of the water samples can be detected, during the detection, the light sources 8 do not need to pass through the containers, but directly pass through the water samples, thus the influence of the container and stains on the inner walls of the containers on the detection results can be effectively avoided, and the biotoxicity water quality monitoring effect is improved;
At the water treatment station: the arc magnet 35 is not positioned at the upper end of the iron block 33 any more, the iron block 33 cannot be adsorbed by the arc magnet 35, the torsion spring drives the two baffles 32 to reversely rotate and reset, the lower port of the drain pipe 6 is plugged, the water adding pump 21 can extract a water sample in the water body through the sampling head 19 and add the water sample into the water storage box 5 through the water adding pipe 13 so as to finish the automatic sampling work of the water sample, and in the sampling process, the primary filter element can filter out particle impurities in the water sample and prevent the particle impurities from affecting the detection result;
at the rinse station: the arc magnet 35 can adsorb the iron plate 33 on two baffles 32, the lower extreme of drain pipe 6 no longer receives the shutoff of two baffles 32, the wash pump 24 can be through the waste water in the transport pipe 25 extraction collection tank 23, and carry out meticulous filtration through purifying filter core to it, make the water sample after the detection be close to no biotoxicity, the water after the purification can be carried to in the spray tube 11 through the transport pipe 26, spray tube 11 can wash water storage box 5 and drain pipe 6 through shower nozzle 12, so that water storage box 5 and drain pipe 6 keep clean, can promote the precision of testing result at every turn like this, the waste water that washs the production can be discharged C shape waste water cover 34 through drain pipe 6, then discharge C shape waste water cover 34 through blow off pipe 36.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a biotoxicity quality of water on-line monitoring appearance, includes fixing base (1), its characterized in that still includes:
The protective cover (2) is fixedly connected to the upper end of the fixed seat (1);
The novel water-supply type automatic water-supply device comprises a protective cover (2), a rotary table (4) and a driving part, wherein the rotary table (4) is rotationally connected in the protective cover (2) through a rotary pipe (3), the rotary table (4) is sequentially provided with a detection station, a flushing station and a water adding station, and the detection station, the flushing station and the water adding station are sequentially provided with a detection part, a flushing part and a water taking part;
three water storage boxes (5) are respectively arranged on the detection station, the flushing station and the water adding station;
Wherein, three the lower extreme of water storage box (5) is all fixedly connected with platykurtic drain pipe (6), and three drain pipe (6) are all vertical sliding connection on carousel (4), and the bottom of three drain pipe (6) all is equipped with the part that opens and shuts.
2. The online biotoxic water quality monitor according to claim 1, wherein the driving part comprises a driving motor (22) fixedly mounted on the protective cover (2), a driving gear (14) is fixedly mounted at the output end of the driving motor (22), and a driven gear (15) meshed with the driving gear (14) is fixedly mounted on the outer wall of the rotary tube (3).
3. The online biotoxic water quality monitor according to claim 1, wherein the detection part comprises two brackets (7) fixedly connected in the protective cover (2), and a light source (8) and a detector (9) are fixedly arranged on the two brackets (7) respectively;
the light source (8) and the detector (9) are respectively arranged on two sides of the lower end of the drain pipe (6) on the detection station, the bottom of the protective cover (2) is fixedly connected with a recovery pipe (10) located on the detection station, and the recovery pipe (10) is arranged below the drain pipe (6).
4. The online biotoxic water quality monitor according to claim 3, wherein the flushing part comprises a spray pipe (11) fixedly arranged at the inner top of the protective cover (2), and a spray head (12) is fixedly arranged at the lower end of the spray pipe (11);
The top of the protection cover (2) is fixedly provided with a flushing pump (24), the output end of the flushing pump (24) is fixedly connected with the spray pipe (11) through a conveying pipe (26), the bottom of the protection cover (2) is fixedly connected with a recovery box (23), the lower end of the recovery pipe (10) extends into the recovery box (23), the output end of the flushing pump (24) is fixedly connected with a conveying pipe (25) extending to the inner bottom of the recovery box (23), and the input end of the flushing pump (24) is also detachably provided with a purification filter element;
the inner bottom of the protection cover (2) is fixedly connected with an outer pipe (39) encircling the periphery of the recovery pipe (10), a ventilation gap is arranged between the outer pipe (39) and the outer wall of the recovery pipe (10), and the length of the outer pipe (39) is larger than that of the recovery pipe (10).
5. The online biotoxic water quality monitor according to claim 2, wherein the water adding part comprises a water adding pump (21) fixedly arranged at the top of the protective cover (2), and the output end of the water adding pump (21) is fixedly connected with a water adding pipe (13) extending to the inner top of the protective cover (2);
The input end of the water adding pump (21) is connected with a sampling head (19) through a lifting part, the lifting part is used for driving the sampling head (19) to reciprocate up and down, and the input end of the water adding pump (21) is also detachably provided with a primary filter element.
6. The online biotoxic water quality monitor according to claim 5, wherein the lifting part comprises a reciprocating screw (17) fixedly connected to the outer wall of the lower end of the rotary tube (3), and a guide rail (16) arranged in parallel with the reciprocating screw (17) is fixedly connected to the fixed seat (1);
The device is characterized in that a reciprocating sliding block (18) which is in sliding connection with a guide rail (16) is connected to the outer wall of the reciprocating screw rod (17) in a threaded manner, the sampling head (19) is fixedly connected to the reciprocating sliding block (18), the input end of the water adding pump (21) is fixedly connected with the top of the rotary pipe (3), and the lower end of the rotary pipe (3) is fixedly connected with the sampling head (19) through a hose (20).
7. The online biotoxic water quality monitor according to claim 1, wherein the opening and closing component comprises supports (31) fixedly connected to two sides of the lower end of the drain pipe (6), and a baffle (32) is rotatably connected to both supports (31);
the support (31) is also provided with a torsion spring, under the action of the torsion spring, the two baffles (32) are attached to the lower end of the drain pipe (6), and one end, far away from the lower port of the drain pipe (6), of each baffle (32) is fixedly connected with an iron block (33);
Arc magnet (35) is fixedly connected with in protection casing (2), arc magnet (35) stride across detection station and washing station.
8. The on-line monitor for biotoxic water quality according to claim 1, wherein the inner bottom of the protective cover (2) is fixedly connected with a C-shaped waste water cover (34), a C-shaped opening of the C-shaped waste water cover (34) faces the detection station, and the bottom of the C-shaped waste water cover (34) is fixedly connected with a drain pipe (36) extending to the outer wall of the protective cover (2).
9. The online biotoxic water quality monitor according to claim 1, wherein the outer wall of the drain pipe (6) is fixedly connected with a limiting plate (27), and the limiting plate (27) is elastically connected with the upper end of the turntable (4) through a spring (28);
The inner top of the protective cover (2) is fixedly connected with an annular plate (37) through a hanging rod (38), a plurality of arcuately distributed lugs (30) are fixedly connected to the annular plate (37), and the arcuately distributed lugs (30) are arranged between a flushing station and a detection station and penetrate through a water adding station; the lower end of the limiting plate (27) is rotatably provided with a roller (29) abutted against the annular plate (37).
10. A biotoxic water quality monitoring method comprising an on-line biotoxic water quality monitor according to any one of claims 1-9, characterized by the following steps:
Step one: the driving motor (22), the water adding pump (21) and the flushing pump (24) are indirectly started at regular time through the controller;
step two: when the water storage box (5) moves to the water processing station, the water storage box (5) stores water samples, and the sampling head (19) adjusts the sampling depth;
step three: when the water storage box (5) moves to the detection station, a water sample passes through the space between the light source (8) and the detector (9);
Step four: when the water storage box (5) moves to the flushing station, the water storage box (5) is flushed;
Step five: repeating the steps from the second step to the fourth step to finish continuous monitoring of the water sample.
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