CN113526802A - Flood prevention channel integrated initial rainwater treatment tank - Google Patents
Flood prevention channel integrated initial rainwater treatment tank Download PDFInfo
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- CN113526802A CN113526802A CN202110933032.7A CN202110933032A CN113526802A CN 113526802 A CN113526802 A CN 113526802A CN 202110933032 A CN202110933032 A CN 202110933032A CN 113526802 A CN113526802 A CN 113526802A
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- 230000002265 prevention Effects 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 239000000956 alloy Substances 0.000 claims abstract description 10
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 10
- 238000000746 purification Methods 0.000 claims abstract description 10
- 239000013589 supplement Substances 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 34
- 239000000126 substance Substances 0.000 claims description 21
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 8
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 239000011574 phosphorus Substances 0.000 claims description 8
- 230000003472 neutralizing effect Effects 0.000 claims description 7
- 230000005669 field effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 229910001385 heavy metal Inorganic materials 0.000 claims description 4
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000003124 biologic agent Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000005189 flocculation Methods 0.000 claims description 3
- 230000016615 flocculation Effects 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 230000004071 biological effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses an integrated initial rainwater treatment tank of a flood prevention channel.A reinforced concrete tank is arranged on the water-approaching side of the flood prevention channel, a drainage hole channel leading to a river channel is arranged at the bottom of the front wall facing the river channel, an overflow bank for separating the interior of the reinforced concrete tank from the front and the back is arranged at a certain distance between the interior of the tank and the wall of the front side, a comprehensive filtering pond is arranged at the rear side of the overflow bank, a sponge water storage bin is arranged at the rear part of the bottommost layer of the comprehensive filtering pond, a water purification channel is arranged at the front part of the bottommost layer, and the water purification channel is communicated with a through hole arranged at the bottom of the overflow bank and the drainage hole channel leading to the river channel at the bottom of the front wall of the reinforced concrete tank; the above layers of the bottom layer of the reinforced concrete tank are sequentially provided with a biological carrier bin, a synthetic diatomite bin, a PH neutralizer bin and an activated carbon bin, an alloy filter screen is covered on the activated carbon bin, and a biological carrier supplement channel which is used for communicating the top of the rear side tank wall with the biological carrier bin is arranged in the wall of the rear side tank wall of the reinforced concrete tank.
Description
Technical Field
The invention belongs to the technical field of hydraulic engineering, and particularly relates to a device capable of effectively solving the problem of initial rainwater treatment of a river-following flood prevention channel.
Background
Along with the development of urbanization, river channel treatment engineering is accelerated to be built, a large number of flood prevention channels are built along two sides of a river channel, the flood prevention channels provide channels for flood prevention work, and meanwhile convenience is brought to walking and viewing of people. However, the road surface of the flood control channel is generally a hard road surface, and when heavy rain occurs, especially in the early stage of heavy rain, due to the fact that pollutants accumulated on the surface of the flood control channel and accumulated polymers on the surrounding road surfaces are washed away by rainwater, a large amount of pollution sundries carried by the rainwater in the early stage are collected together and flow into the river channel, and serious pollution is caused to the water body in the river channel. In order to ensure the health of the river water body, the initial rainwater flowing into the river through the flood control channel must be treated.
Disclosure of Invention
The invention aims to provide a device which can effectively treat initial rainwater flowing into a river channel through a flood prevention channel so as to solve the pollution influence of the initial rainwater on the river channel.
The purpose of the invention is realized by the following technical scheme:
a flood prevention channel integrated initial rainwater treatment tank is characterized in that a reinforced concrete tank is arranged on the water-approaching side of a flood prevention channel, a drainage hole channel leading to a river channel is formed in the reinforced concrete tank towards the bottom of the front wall of the river channel, an overflow ridge for separating the interior of the reinforced concrete tank from the front side and the back side is arranged at a position, which is spaced from the front side wall, of the reinforced concrete tank, the front side of the overflow ridge is an overflow channel, the back side of the overflow ridge is a comprehensive filtering pond, a sponge water storage bin is arranged at the back of the bottommost layer of the comprehensive filtering pond, the front of the bottommost layer of the comprehensive filtering pond is a water purification channel, and the water purification channel is communicated with a through hole formed in the bottom of the overflow ridge and the drainage hole channel leading to the river channel at the bottom of the front wall of the reinforced concrete tank; the above layers of the bottom layer of the reinforced concrete tank are sequentially provided with a biological carrier bin, a synthetic diatomite bin, a PH neutralizer bin and an activated carbon bin, an alloy filter screen is covered on the activated carbon bin, and a biological carrier supplement channel which is used for communicating the top of the rear side tank wall with the biological carrier bin is arranged in the wall of the rear side tank wall of the reinforced concrete tank.
In the preferred scheme, the middle of the alloy filter screen is provided with meshes for filtering coarse garbage and gravels with large particle size; the activated carbon bin is used for scattering and paving activated carbon for adsorbing inorganic suspended matters in water to be level with the top of the bin; the PH neutralizer bin is characterized in that a chemical fiber woven bag filled with chemicals for neutralizing the PH value of rainwater is flatly laid to the top of the bin to be level; the synthetic diatom ooze bin fills diatom ooze which absorbs harmful chemical substances such as free benzene in water and absorbs partial heavy metals through flocculation to be flush with the top of the bin; the biological carrier bin fills biological agents which can eliminate organic matters such as ammonia nitrogen, total phosphorus and the like dissolved in water through absorption to the level of the bin.
The pH value of the rainwater discharged into the river all the year around by local detection is generally determined in each place of the chemicals filled in the PH neutralizing agent bin, and if the detected pH value is alkaline, the weak-acid filler is filled in the bin; if the detected acidity is acidity, the storage bin is filled with alkalescent materials.
In the preferred scheme, the rainwater treatment tank is a box-type structure in a cuboid shape, and is formed by reinforced concrete tanks with the specific specification of 10m long, 0.9m wide and 0.6m high; the distance between the top surface of the overflow ridge and the top surface of the reinforced concrete tank is 0.1-0.2 m.
In a preferable scheme, the biological carrier bin, the synthetic diatomite bin, the PH neutralizer bin, the activated carbon bin and the sponge water storage bin are formed by filling corresponding filtering or decomposing materials in a detachable cage-structured steel frame with an opening on the upper surface, and the sizes of the rest cage-structured materials are uniform except the sponge water storage bin at the bottommost layer; all cage structures have at least one pair of sides to be provided with the couple of being convenient for to hang.
The device needs to detect the activity of each bin after a certain time in the operation process, and during detection, the activity of the functional filler and the filler in each bin can be judged only by detecting the content of various substances in the water quality at the front port of the drainage duct of the detection device, for example, the content of harmful chemical substances such as free benzene and the like and heavy metals in the water at the front port of the drainage duct is inspected, so that whether the diatom ooze synthesizing the diatom ooze bin needs to be replaced or not can be known.
Preferably, an extension pipe is arranged at the front end of the drainage pore passage, a section of branch pipe is installed on the side edge of the extension pipe in parallel, a probe of a plurality of index detection sensors is connected to the proper part of the branch pipe in parallel, and the plurality of index detection sensors and the branch pipe are contained in a waterproof detection box; the multiple index detection sensors comprise pH index detection sensors and inorganic suspended matter index detection sensors; the output ends of the multiple index detection sensors are respectively connected with the management controller.
Preferably, the pH index detection sensor is composed of an Ion Sensitive Field Effect Transistor (ISFET), especially preferably Si3N4An acidimeter as the grid of the ion sensitive field effect transistor.
In the preferred scheme, the inorganic suspended matter index detection sensor is a back scattering light sensitive MLSS concentration meter, and the MLSS concentration meter can process the difference of factors such as suspended matter color and the like in a very small adjustment range and can continuously measure.
To assist in further understanding of the structure of the apparatus, the operating conditions of the apparatus are briefly described as follows:
the construction of a flood control channel is arranged on the water side of the flood control channel, initial rainwater is collected in the channel device during rainfall, after large sundries are filtered by a metal filter screen, the rainwater flows into an activated carbon bin to adsorb particles, after adsorption is completed, the rainwater flows into a PH neutralizer bin and neutralizes acidic and alkaline substances in the water, after neutralization is completed, the rainwater flows into a synthetic diatom mud bin to adsorb and filter harmful substances fused into the water, after adsorption of the harmful substances, the water flows to a biological carrier bin to eliminate redundant ammonia nitrogen and total phosphorus in the water through biological reaction, and the treated water flows into a river channel. The sponge water storage bin is used for adsorbing and storing initial rainwater to ensure the biological activity of the biological carrier bin during the period of no rainwater. The water body overflow bank is used for directly flowing into a river channel through an overflow channel when the rainfall is greater than the device processing rate, and the rainwater is prevented from being discharged. If the biological carrier is found to be insufficient in use, the biological carrier can be supplemented through the biological carrier supplementing channel.
The invention has the beneficial effects that:
1. the invention applies a comprehensive treatment facility of mechanical filtration and biochemical degradation, and fully solves the problem that initial rainwater erodes ground pollutants to flow into a river channel;
2. filtering large impurities by an alloy filter screen;
3. the activated carbon bin adsorbs the particles;
4. neutralizing acidic and alkaline substances in the water body after the PH neutralizing agent bin is filled;
5. the synthetic diatom ooze bin further adsorbs and filters harmful substances blended into the water body
6. The biological carrier bin eliminates redundant ammonia nitrogen and total phosphorus in the water body through biological reaction;
7. a biological carrier supplement channel is arranged, so that the problem of biological carrier aging is solved, and supplement is convenient;
8. the sponge water storage bin is arranged to ensure that the biological activity of the biological carrier bin provides water supplement during the period of no rainwater;
9. the automatic water quality index detection device is arranged, so that the maintenance and management are more timely and convenient.
Drawings
FIG. 1 is a schematic cross-sectional view of one embodiment of the present invention;
FIG. 2 is a schematic illustration of a longitudinal section of an embodiment;
FIG. 3 is a cross-sectional schematic view of another embodiment;
fig. 4 is a schematic view of a portion of fig. 3.
In the figure: a reinforced concrete tank 1; a front wall 2; a drainage duct 3; an overflow ridge 4; an overflow passage 5; a sponge water storage bin 6; a water purification passage 7; a biological carrier bin 8; a synthetic diatom ooze bin 9; a PH neutralizer bin 10; an activated carbon bin 11; an alloy screen 12; a rear wall 13; a supplementary channel 14; an extension pipe 15; a branch pipe 16; an index detection sensor 17; a detection box 18.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.
Example 1: a flood prevention channel integrated initial rainwater treatment tank is characterized in that a reinforced concrete tank 1 is arranged on the water-approaching side of a flood prevention channel, a drainage hole channel 3 leading to a river channel is formed in the reinforced concrete tank 1 towards the bottom of a front wall 2 of the river channel, an overflow ridge 4 for separating the interior of the reinforced concrete tank 1 from the front and the back is arranged in the reinforced concrete tank 1 at a certain distance away from the front wall 2, an overflow channel 5 is arranged on the front side of the overflow ridge 4, a comprehensive filtering pond is arranged on the back side of the overflow ridge 4, a sponge water storage bin 6 is arranged at the back of the bottommost layer of the comprehensive filtering pond, a water purification channel 7 is arranged at the front of the bottommost layer, and the water purification channel 7 is communicated with a through hole formed in the bottom of the overflow ridge 4 and the drainage hole channel 3 leading to the river channel at the bottom of the front wall 2 of the reinforced concrete tank 1; the above layers of the bottom layer of the reinforced concrete tank 1 are sequentially provided with a biological carrier bin 8, a synthetic diatomite bin 9, a PH neutralizer bin 10 and an activated carbon bin 11, an alloy filter screen 12 covers the activated carbon bin 11, and a biological carrier supplement channel 14 for communicating the top of the rear side tank wall with the biological carrier bin 8 is arranged in the rear side tank wall of the reinforced concrete tank 1, namely the wall of the rear wall 13. See fig. 1, 2.
Specifically, the middle of the alloy filter screen 12 is provided with meshes for filtering coarse garbage and gravels with large particle size; the activated carbon bin 11 is used for scattering and paving activated carbon for adsorbing inorganic suspended matters in water to be level with the top of the bin; the PH neutralizer bin 10 is used for flatly paving the chemical fiber woven bags filled with chemicals for neutralizing the PH value of rainwater to be level with the top of the bin; the synthetic diatom ooze bin 9 is used for filling diatom oozes which absorb harmful chemical substances such as free benzene in water and absorb part of heavy metals through flocculation to be flush with the top of the bin; the biological carrier bin 8 fills biological agents which can eliminate organic matters such as ammonia nitrogen, total phosphorus and the like dissolved in water through absorption to be level with the bin.
The pH neutralizing agent bin is filled with chemicals which are different from place to place according to the specific places, the pH value is generally determined according to the pH value of rainwater drained into a river all the year around through local detection, and if the detected pH value is alkaline, a weak acid filler is filled in the bin; if the detected acidity is acidity, the storage bin is filled with alkalescent materials.
The rainwater treatment tank is a box-type structure in a cuboid shape, and is formed by a reinforced concrete tank 1 with the specific specification of 10m long, 0.9m wide and 0.6m high; the distance between the top surface of the overflow ridge 4 and the top surface of the reinforced concrete tank 1 is 0.1-0.2 m.
The biological carrier bin 8, the synthetic diatomite bin 9, the PH neutralizer bin 10, the activated carbon bin 11 and the sponge water storage bin 6 are formed by filling corresponding filtering or dissolving materials into a steel frame of a cage-shaped structure with an opening on the upper surface, and the sizes of the rest cage-shaped structures are uniform except the sponge water storage bin 6 at the bottommost layer; all cage structures have at least one pair of sides to be provided with the couple of being convenient for to hang.
This device installation back that finishes, rainwater at the rainfall initial stage collects in flowing into rainwater treatment tank device, after alloy filter screen 12 filters great debris, rivers get into activated carbon storehouse 11 and adsorb the particulate matter, rivers get into PH neutralizer storehouse 10 after the absorption is accomplished, through PH neutralizer storehouse 10 with the acid and alkaline substance in the water carry out neutralization, rivers get into synthetic diatom mud storehouse 9 after the completion neutralization, adsorb and filter the harmful substance of melting into the water, accomplish that the harmful substance adsorbs the back rivers and then get into biological carrier storehouse 8, eliminate unnecessary ammonia nitrogen and total phosphorus in the water through biological reaction, the water through the processing flows into the river course by water purification passageway 7 and drainage channel 3. The sponge water storage bin 6 adsorbs and stores initial rainwater, and biological activity of the biological carrier bin 8 is guaranteed during the period without rainwater. The overflow bank 4 is for directly flowing into the river course through overflow channel 5 when rainfall is greater than device processing rate, avoids the unable discharge of rainwater. After a certain time, the utilization instrument of ammonia nitrogen and total phosphorus in water is monitored, when the ammonia nitrogen and the total phosphorus in the water exceed the standards, the biological carrier can be determined to be insufficient, and the supplement can be performed through the biological carrier supplement channel 14.
Example 2: on the basis of the structure of the embodiment 1, the front end of the drainage pore canal 3 is provided with an extension pipe 15, the side edge of the extension pipe 15 is provided with a section of branch pipe 16 in parallel, the proper part of the branch pipe 16 is connected with a probe of a plurality of index detection sensors 17 in parallel, and the index detection sensors 17 and the branch pipe 16 are accommodated in a waterproof detection box 18; the multiple index detection sensor 17 comprises a pH index detection sensor and an inorganic suspended matter index detection sensor; the output ends of the multiple index detection sensors 17 are respectively connected with the management controller.
The pH index detection sensor is composed of Ion Sensitive Field Effect Transistor (ISFET), especially preferred Si3N4An acidimeter as the grid of the ion sensitive field effect transistor.
The inorganic suspended matter index detection sensor adopts a back scattering light sensitive MLSS concentration meter, and the MLSS concentration meter can process the difference of factors such as suspended matter color and the like in a very small adjusting range and can continuously measure.
Because can carry out automatic analysis to quality of water and detect, it is convenient to observe and monitor, alleviates the amount of labour, improves accuracy and maintenance timeliness. The rest of the structure is the same as that of example 1. See fig. 3, 4.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A flood prevention channel integrated initial rainwater treatment tank is characterized in that a reinforced concrete tank is arranged on the water side of a flood prevention channel, a drainage hole channel leading to a river channel is formed in the reinforced concrete tank towards the bottom of the front wall of the river channel, an overflow ridge for separating the interior of the reinforced concrete tank from the front side and the back side is arranged between the interior of the reinforced concrete tank and the front side groove wall at a certain distance, the front side of the overflow ridge is an overflow channel, the back side of the overflow ridge is a comprehensive filtering pond, a sponge water storage bin is arranged at the back of the bottommost layer of the comprehensive filtering pond, the front of the bottommost layer of the comprehensive filtering pond is a water purification channel, and the water purification channel is communicated with a through hole formed in the bottom of the overflow ridge and the drainage hole channel leading to the river channel in the bottom of the front wall of the reinforced concrete tank; the above layers of the bottom layer of the reinforced concrete tank are sequentially provided with a biological carrier bin, a synthetic diatomite bin, a PH neutralizer bin and an activated carbon bin, an alloy filter screen is covered on the activated carbon bin, and a biological carrier supplement channel which is used for communicating the top of the rear side tank wall with the biological carrier bin is arranged in the wall of the rear side tank wall of the reinforced concrete tank.
2. The flood prevention channel integrated initial rainwater treatment tank according to claim 1, wherein meshes for filtering coarse garbage and large-particle-size broken stones are arranged in the middle of the alloy filter screen; the activated carbon bin is used for scattering and paving activated carbon for adsorbing inorganic suspended matters in water to be level with the top of the bin; the PH neutralizer bin is characterized in that a chemical fiber woven bag filled with chemicals for neutralizing the PH value of rainwater is flatly laid to the top of the bin to be level; the synthetic diatom ooze bin fills diatom ooze which absorbs harmful chemical substances such as free benzene in water and absorbs partial heavy metals through flocculation to be flush with the top of the bin; the biological carrier bin fills biological agents which can eliminate organic matters such as ammonia nitrogen, total phosphorus and the like dissolved in water through absorption to the level of the bin.
3. The flood prevention channel integrated initial rainwater treatment tank according to claim 1 or 2, wherein the rainwater treatment tank is of a box-type structure in a cuboid shape, and is formed by reinforced concrete tanks with the specific specifications of 10m in length, 0.9m in width and 0.6m in height; the distance between the top surface of the overflow ridge and the top surface of the reinforced concrete tank is 0.1-0.2 m.
4. The flood prevention channel integrated initial rainwater treatment tank according to claim 3, wherein the biological carrier bin, the synthetic diatom ooze bin, the PH neutralizer bin, the activated carbon bin and the sponge water storage bin are formed by filling corresponding filtering or dissolving materials in a detachable cage-structured steel frame with an opening on the upper surface, and the sizes of the cage-structured structures are uniform except the sponge water storage bin at the bottommost layer; all cage structures have at least one pair of sides to be provided with the couple of being convenient for to hang.
5. The flood prevention channel integrated initial rainwater treatment tank according to claim 4, wherein an extension pipe is arranged at the front end of a drainage channel, a section of branch pipe is arranged on the side edge of the extension pipe in parallel, a probe of a plurality of index detection sensors is connected to the proper part of the branch pipe in parallel, and the plurality of index detection sensors and the branch pipe are accommodated in a waterproof detection box; the multiple index detection sensors comprise pH index detection sensors and inorganic suspended matter index detection sensors; the output ends of the multiple index detection sensors are respectively connected with the management controller.
6. The flood prevention channel integrated initial rainwater treatment tank according to claim 5, wherein the pH index detection sensor is composed of an Ion Sensitive Field Effect Transistor (ISFET), especially preferred Si3N4An acidimeter as the grid of the ion sensitive field effect transistor.
7. The flood prevention channel integrated initial rainwater treatment tank according to claim 6, wherein the inorganic suspended matter index detection sensor is a back scattering light sensitive MLSS concentration meter, and the MLSS concentration meter can be adjusted in a very small range to treat differences of factors such as suspended matter color.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110933032.7A CN113526802B (en) | 2021-08-13 | 2021-08-13 | Flood prevention channel integrated initial rainwater treatment tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110933032.7A CN113526802B (en) | 2021-08-13 | 2021-08-13 | Flood prevention channel integrated initial rainwater treatment tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113526802A true CN113526802A (en) | 2021-10-22 |
| CN113526802B CN113526802B (en) | 2024-04-02 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100984676B1 (en) * | 2009-12-11 | 2010-10-01 | (주) 한국엔피기술 | Apparatus for drain treatment of first flush rainfall |
| KR100991492B1 (en) * | 2010-02-24 | 2010-11-04 | 박병대 | Non-point source contaminant purification system and method thereof for an early stage rain water by multi-stage treatment |
| CN107010780A (en) * | 2017-03-16 | 2017-08-04 | 浙江水利水电学院 | A kind of purification method of urban rainwater and its hydraulic jump formula filter used |
| CN211972036U (en) * | 2020-04-15 | 2020-11-20 | 牟童雨 | Sponge is rain sewage purification system for city construction |
| CN215712463U (en) * | 2021-08-13 | 2022-02-01 | 上海浦河工程设计有限公司 | Rainwater treatment tank for flood prevention channel |
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2021
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100984676B1 (en) * | 2009-12-11 | 2010-10-01 | (주) 한국엔피기술 | Apparatus for drain treatment of first flush rainfall |
| KR100991492B1 (en) * | 2010-02-24 | 2010-11-04 | 박병대 | Non-point source contaminant purification system and method thereof for an early stage rain water by multi-stage treatment |
| CN107010780A (en) * | 2017-03-16 | 2017-08-04 | 浙江水利水电学院 | A kind of purification method of urban rainwater and its hydraulic jump formula filter used |
| CN211972036U (en) * | 2020-04-15 | 2020-11-20 | 牟童雨 | Sponge is rain sewage purification system for city construction |
| CN215712463U (en) * | 2021-08-13 | 2022-02-01 | 上海浦河工程设计有限公司 | Rainwater treatment tank for flood prevention channel |
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| CN113526802B (en) | 2024-04-02 |
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