CN108333320B - Anti-interference type surface raw water biotoxicity continuous monitoring device system - Google Patents
Anti-interference type surface raw water biotoxicity continuous monitoring device system Download PDFInfo
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- CN108333320B CN108333320B CN201810237612.0A CN201810237612A CN108333320B CN 108333320 B CN108333320 B CN 108333320B CN 201810237612 A CN201810237612 A CN 201810237612A CN 108333320 B CN108333320 B CN 108333320B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 171
- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 241000251468 Actinopterygii Species 0.000 claims abstract description 29
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims description 16
- 238000011010 flushing procedure Methods 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 13
- 241000252212 Danio rerio Species 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 abstract description 17
- 239000013049 sediment Substances 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 239000004576 sand Substances 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 241000252229 Carassius auratus Species 0.000 description 3
- 241000252233 Cyprinus carpio Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 231100001234 toxic pollutant Toxicity 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 241000124008 Mammalia Species 0.000 description 1
- 241000237536 Mytilus edulis Species 0.000 description 1
- 241000251539 Vertebrata <Metazoa> Species 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007876 drug discovery Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 235000020638 mussel Nutrition 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/186—Water using one or more living organisms, e.g. a fish
-
- 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
Abstract
The invention discloses an anti-interference type surface raw water biotoxicity continuous monitoring device system which comprises a pretreatment water tank and a fish tank, wherein the pretreatment water tank is provided with a first water inlet and a first water outlet, a grid layer for dividing the pretreatment water tank into an upper cavity and a lower cavity is arranged in the fish tank, a second water inlet is arranged at the bottom of the lower cavity, a second water outlet is arranged at the top of the upper cavity, the first water outlet is communicated with the second water inlet, and the pretreatment water tank is communicated with the upper cavity above the water surface in the pretreatment water tank. The surface raw water treated by the pretreatment water tank enters the lower chamber and continuously flows into the upper chamber through the grid layer until the water level in the upper chamber is equal to the water level in the pretreatment water tank. The fish tank is arranged in a mode of water inflow at the lower end and water outflow at the upper end, so that the formation of a dead water area is effectively avoided; meanwhile, under the action of the grid layer, the separation of sand and mud sediment and the living space of organisms in the fish tank can be realized, and the purpose of providing a relatively stable environment for water quality monitoring is achieved.
Description
Technical Field
The invention relates to the technical field of water quality monitoring, in particular to an anti-interference type continuous surface raw water biotoxicity monitoring device system.
Background
In order to ensure the water quality safety of water supply, tap water manufacturers are provided with various online water quality monitoring instruments in the whole production process, wherein most of the online water quality monitoring instruments are used for online monitoring of surface raw water by adopting a biotoxicity monitoring device. At present, most biological toxicity monitoring devices of tap water production enterprises are improved by utilizing a common glass ornamental fish tank, on the basis of maintaining water pump circulation filtering, illumination, constant temperature equipment and the like of the fish tank, a raw water inlet pipe and a raw water outlet pipe are added, a certain amount of large-sized fishes such as goldfish or fancy carp are bred in the fish tank, and the degree of toxic pollutants contained in the water body is judged by observing the living condition and physiological reaction of the fishes, so that a monitoring method capable of continuously and real-time monitoring the biological toxic pollutants contained in the water body for a long time is realized.
But this device has mainly the following drawbacks: 1. the water inlet and outlet modes are not beneficial to the overall flow and replacement of water in the fish tank, and a dead water area is easy to generate, so that the living condition and physiological reaction of fish cannot effectively reflect the real-time change of water quality; 2. the anti-interference capability is not strong, and the method is not beneficial to providing a relatively stable environment for water quality monitoring, for example, a large amount of sediment, mussels and other impurities in raw water are directly deposited in a fish tank, the turbidity of the water quality is high, the water body is easy to be smelly, the fish is dead due to secondary pollution of the water quality in the fish tank, and the judgment of the monitoring result is influenced; 3. the daily maintenance of the fish tank consumes time and labor, at least one time of cleaning and changing water is needed each week, the cleaning of impurities such as sediment in the fish tank, the cleaning of water pump circulating filtering equipment, the dredging of a water inlet pipe and the like are carried out, the manual operation is troublesome, and the time consumption is long; 4. the fingerling is insensitive to environmental toxic reaction of water, and according to years of experience of tap water manufacturers, larger fishes such as goldfish, koi and the like can only react to biotoxicity with larger concentration, and the reaction is not sensitive and rapid enough.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an anti-interference type continuous monitoring device system for the biotoxicity of the surface raw water, which can avoid the generation of dead water areas and effectively reflect the real-time water quality change.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an anti-interference type surface raw water biotoxicity continuous monitoring device system, includes pretreatment water tank and fish bowl, the pretreatment water tank is equipped with first water inlet and first delivery port, the inside grid layer that separates it into cavity and lower cavity that is equipped with of fish bowl, the bottom of cavity is equipped with the second water inlet down, the top of cavity is equipped with the second delivery port, first delivery port and second water inlet realize the intercommunication, the pretreatment water tank is realized communicating with each other with the upper cavity above its inside surface of water.
Further, a plurality of vertically spaced and staggered partition boards are arranged above the inside of the pretreatment water tank, the first water inlet and the first water outlet are respectively arranged on the side parts of the partition boards at the left end and the right end, and an S-shaped channel between the first water inlet and the first water outlet is formed between the partition boards.
Further, a slope is arranged at the bottom of the pretreatment water tank, and a first drain pipe is connected to the lowest part of the slope.
Further, a separation net is arranged in the first drain pipe.
Further, a vertical pull rod is fixedly connected above the separation net.
Further, a first back flushing spray head positioned on the right side of the right end partition plate is arranged in the pretreatment water tank, and water flow sprayed out of the first back flushing spray head is horizontally directed to the S-shaped channel.
Further, a gravel filter layer is arranged above the grid layer.
Further, the bottom of the lower chamber is tapered and provided with a second drain pipe.
Further, a second back flushing spray head is arranged in the lower chamber, and water flow sprayed out of the second back flushing spray head is directed to a second drain pipe.
Further, the upper chamber is internally provided with the zebra fish.
The beneficial effects are that: the surface raw water treated by the pretreatment water tank enters the lower chamber, and the pretreatment water tank is communicated with the upper chamber above the water surface in the upper chamber, so that the surface raw water continuously flows into the upper chamber through the grid layer until the water level in the upper chamber is equal to the water level in the pretreatment water tank. The fish tank is arranged in a mode of water inflow at the lower end and water outflow at the upper end, so that the formation of a dead water area is effectively avoided; meanwhile, under the action of the grid layer, the separation of sand and mud sediment and the living space of organisms in the fish tank can be realized, and the purpose of providing a relatively stable environment for water quality monitoring is achieved.
Drawings
The invention is further described below with reference to the drawings and examples;
FIG. 1 shows an anti-interference type surface raw water biotoxicity continuous monitoring device system according to an embodiment of the invention;
FIG. 2 is a schematic cross-sectional view of a pre-treatment tank;
FIG. 3 is a schematic cross-sectional view of an anti-interference continuous surface raw water biotoxicity monitoring device system;
fig. 4 is a schematic view of a separator forming an S-shaped channel.
Detailed Description
Referring to fig. 1 to 4, an anti-interference type continuous monitoring device system for surface raw water biotoxicity according to an embodiment of the present invention includes a fish tank 2 positioned at the front end of the whole device and a pretreatment water tank 1 positioned at the rear end, wherein a first water inlet 11 and a first water outlet 12 are respectively provided at the left and right sides of the upper part of the pretreatment water tank 1; the inside net layer 23 that separates it into upper chamber 21 and lower cavity 22 that is equipped with of fish bowl 2, the bottom of lower cavity 22 is equipped with the second water inlet, and the top of upper chamber 21 is equipped with second delivery port 27, and first delivery port 12 and second water inlet pass through the water pipe and realize the intercommunication, and simultaneously, first water inlet 11 and second delivery port 27 all are connected with inlet tube and outlet pipe. The side walls of the pretreatment water tank 1 adjacent to the upper cavity 21 are respectively provided with a through hole 17, the through holes 17 are positioned above the second water outlet 27, the pretreatment water tank 1 is communicated with the upper cavity 21 above the water surface in the pretreatment water tank, and the air pressure in the pretreatment water tank 1 and the air pressure in the upper cavity 21 are ensured to be equal.
The surface raw water treated by the pretreatment water tank 1 enters the lower chamber 22, and the surface raw water continuously flows into the upper chamber 21 through the grid layer 23 until the water level in the upper chamber 21 is equal to the water level in the pretreatment water tank 1 because the pretreatment water tank 1 is communicated with the upper chamber 21 above the water level in the upper chamber. The fish tank 2 is arranged in a mode of water inflow at the lower end and water outflow at the upper end, so that the whole water quality monitoring area keeps flowing, and the formation of a dead water area is effectively avoided; meanwhile, under the action of the grid layer 23, the separation of sand and mud sediment and the living space of the living organism in the fish tank 2 can be realized. On the one hand, the water treated by the pretreatment water tank 1 is intercepted and filtered through the grid layer 23 again, so that impurities such as sand and mud in the surface raw water stay in the lower chamber 22, on the other hand, the grid layer 23 can intercept organisms in the upper chamber 21, the organisms are prevented from entering the lower chamber 22, the purpose of providing a relatively stable environment for water quality monitoring is achieved, and the effectiveness of monitoring data is effectively guaranteed.
As shown in fig. 2, a plurality of vertically spaced and staggered partition plates 13 are arranged above the interior of the pretreatment water tank 1, the first water inlet 11 and the first water outlet 12 are respectively arranged at the side parts of the partition plates 13 at the left end and the right end, and an S-shaped channel between the first water inlet 11 and the first water outlet 12 is formed between the partition plates 13. After flowing out from the first water inlet 11, the surface raw water flows back to the first water outlet 12 via the S-shaped channel. In the whole flowing process, on one hand, the distance of water flow is increased, the purifying time of the surface raw water is prolonged, on the other hand, the whole water flow direction is perpendicular to the partition plate 13, impurities in the surface raw water are easy to precipitate downwards after striking the partition plate 13, and a better purifying effect is achieved through the partition plates 13 which are vertically arranged. Preferably, a slope is provided at the bottom of the pretreatment tank 1, and a first drain pipe 15 is connected to the lowest part of the slope. Impurities blocked by the partition plate 13 fall into the bottom of the pretreatment water tank 1 and then slide down the slope to the first drain pipe 15, so that the collection of the impurities is realized, and the impurities are discharged conveniently.
Preferably, a screen 16 is arranged in the first drain pipe 15 to avoid that a large amount of impurities directly enter the first drain pipe 15 to cause water pipe blockage. Meanwhile, a vertical pull rod 161 is fixedly connected to the upper side of the screen 16. The vertical pull rod 161 is pulled regularly to drive the separation net 16 to move up and down in the first drain pipe 15, so that impurities are prevented from accumulating on the separation net 16 to form a block, and the first drain pipe 15 is ensured to be kept unblocked.
Preferably, a first back flushing spray nozzle 14 positioned on the right side of the right end partition plate 13 is arranged in the pretreatment water tank 1, and water flow sprayed out from the first back flushing spray nozzle 14 is horizontally directed to the S-shaped channel. Since the right side surface of the partition plate 13 is not substantially impacted by the water flowing through the first water inlet 11, a layer of dirt is easily formed on the right side surface of the partition plate 13 after a long time, thereby weakening the water treatment effect of the pretreatment tank 1. For this reason, a first back flushing nozzle 14 is added in the pretreatment tank 1, and when the first back flushing nozzle 14 is started, water flows reversely in the S-shaped channel, so that the effect of cleaning the right side surface of the partition 13 can be achieved.
Preferably, the gravel filter layer 24 is arranged above the grid layer 23, and under the action of the gravel filter layer 24, the filtration of the surface raw water is further realized, a more stable environment is provided for the biological toxicity continuous monitoring device system, the non-toxic death rate of the monitored target organism is greatly reduced, and the anti-interference capability of the detection device is improved.
Specifically, the bottom of the lower chamber 22 in this embodiment is tapered and provided with a second drain pipe 25. Meanwhile, a second back flushing spray nozzle 26 is arranged in the lower chamber 22, and water flow sprayed out from the second back flushing spray nozzle 26 is directed to a second drain pipe 25. Before the surface raw water flows into the upper chamber 21, impurities in the water are filtered again under the action of the grid layer 23 and the gravel filtering layer 24, and the filtered impurities are deposited at the conical bottom of the lower chamber 22 and discharged through the second drain pipe 25. The second back flushing spray head 26 is opened, high-pressure water flows towards the second drain pipe 25, the purpose of cleaning residues in the second drain pipe 25 can be achieved, meanwhile, cleaning of the drain pipe is conveniently and regularly achieved, and the workload of maintenance personnel is reduced.
The invention can improve the flow and displacement of the whole water body in the fish tank 2, avoid the formation of dead water areas and effectively reflect the real-time water quality change; meanwhile, the pretreatment of water quality can be realized, and a relatively stable environment is provided for monitoring the biological activity of a monitoring target; the difficulty of daily manual operation of the monitoring device is reduced, and the working time is saved; fish species which are more sensitive to lower biotoxic reactions and are easy to feed are selected as monitoring objects. The zebra fish is a model animal commonly used in development, genetics and drug discovery studies as known by reference to related data. As one of the important vertebrate pattern systems, zebra fish have a high degree of homology with human genes, and the central nervous system is also similar to mammals. Compared with large fishes such as goldfish or koi, the zebra fish model animal has the characteristics of small individual, easy death, low purchase cost and easy feeding. After practical application, zebra fish which is responsive and sensitive to a large range of biotoxicity is selected, so that the monitoring effect on biotoxic pollutants contained in water is improved.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (9)
1. An anti-interference type surface raw water biotoxicity continuous monitoring device system is characterized in that: the pretreatment water tank is provided with a first water inlet and a first water outlet, a grid layer for dividing the pretreatment water tank into an upper cavity and a lower cavity is arranged in the fish tank, a second water inlet is arranged at the bottom of the lower cavity, a second water outlet is arranged at the top of the upper cavity, the first water outlet is communicated with the second water inlet, and the pretreatment water tank is communicated with the upper cavity above the water surface in the pretreatment water tank; the inside top of pretreatment water tank is provided with a plurality of baffles that are vertical interval distribution and height crisscross, first water inlet and first delivery port set up respectively in the lateral part that is located left and right sides both ends baffle, form the S-shaped passageway that is located between first water inlet and the first delivery port between the baffle.
2. The anti-interference type surface raw water biotoxicity continuous monitoring device system according to claim 1, wherein: the bottom of the pretreatment water tank is provided with a slope, and the lowest part of the slope is connected with a first drain pipe.
3. The anti-interference type surface raw water biotoxicity continuous monitoring device system according to claim 2, wherein: a separation net is arranged in the first drain pipe.
4. The continuous monitoring device system for biotoxicity of anti-interference surface raw water according to claim 3, wherein: the upper part of the separation net is fixedly connected with a vertical pull rod.
5. The continuous monitoring device system for biotoxicity of anti-interference surface raw water according to claim 4, wherein: the pretreatment water tank is internally provided with a first back flushing spray head positioned on the right side of the right end partition board, and water flow sprayed out of the first back flushing spray head is horizontally directed to the S-shaped channel.
6. The anti-interference type surface raw water biotoxicity continuous monitoring device system according to any one of claims 1 to 5, wherein: and a gravel filtering layer is arranged above the grid layer.
7. The continuous monitoring device system for biotoxicity of anti-interference surface raw water according to claim 6, wherein: the bottom of the lower chamber is conical and is provided with a second drain pipe.
8. The continuous monitoring device system for biotoxicity of anti-interference surface raw water according to claim 7, wherein: and a second back flushing spray head is arranged in the lower chamber, and water sprayed out of the second back flushing spray head is directed to a second drain pipe.
9. The anti-interference type surface raw water biotoxicity continuous monitoring device system according to any one of claims 1 to 5, wherein: the upper chamber is internally provided with zebra fish.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810237612.0A CN108333320B (en) | 2018-03-21 | 2018-03-21 | Anti-interference type surface raw water biotoxicity continuous monitoring device system |
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| CN201810237612.0A CN108333320B (en) | 2018-03-21 | 2018-03-21 | Anti-interference type surface raw water biotoxicity continuous monitoring device system |
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| CN108333320A CN108333320A (en) | 2018-07-27 |
| CN108333320B true CN108333320B (en) | 2024-02-23 |
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| CN113588209A (en) * | 2021-07-30 | 2021-11-02 | 交通运输部天津水运工程科学研究所 | Experimental device and method for phosphorus flux water tank in river |
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2018
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Address after: 510660 No.12 Zhongshan 1st Road, Yuexiu District, Guangzhou, Guangdong Province Applicant after: Guangzhou Water Supply Co.,Ltd. Address before: 510600 Guangzhou water supply company, No. 12, Zhongshan Road, Guangzhou, Guangdong Applicant before: GUANGZHOU WATER SUPPLY CO. |
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