CN214880943U - Initial rainwater purification treatment system - Google Patents
Initial rainwater purification treatment system Download PDFInfo
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- CN214880943U CN214880943U CN202120277277.4U CN202120277277U CN214880943U CN 214880943 U CN214880943 U CN 214880943U CN 202120277277 U CN202120277277 U CN 202120277277U CN 214880943 U CN214880943 U CN 214880943U
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- rainwater
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- filter screen
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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
- Y02A20/108—Rainwater harvesting
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Abstract
The utility model discloses an initial stage rainwater purification processing system, be provided with soft enclosure, soft enclosure's one end is tip and river course bank fixed connection of arc setting and arc portion, soft enclosure's the other end sets up and its tip fixedly connected with filter screen with river course bank interval, soft enclosure, the region of enclosing between filter screen and the river course bank is marked as rainwater purification area, the one end that is close to rainwater import pipe in the rainwater purification area is provided with the filler cofferdam, the filler cofferdam is hollow structure, be provided with the multilayer packing layer in the filler cofferdam, the region between filler cofferdam and the filter screen is the deep purification district that further purifies the rainwater. The rainwater purification treatment system is arranged in the river channel, land area is not occupied, and earthwork engineering is not required; the flow velocity of rainwater of the rainwater can be slowed down in rainstorm through the filler cofferdam, the impact of the rainwater on the soft enclosure is reduced, the scouring force of the rainwater can be reduced through the filler cofferdam arranged in an arc shape or a semicircular shape, and the stability of the whole system is guaranteed.
Description
Technical Field
The utility model relates to a rainwater processing technology field especially relates to initial stage rainwater purification treatment system.
Background
In recent years, along with the emphasis on ecological environment, rain and sewage diversion works have been carried out in many places. The rain and sewage diversion project enables sewage entering the river channel to be properly treated, but the rain port still can pollute the river channel. In rainy seasons, pollutants on roads enter rainwater pipelines along with rainwater and are discharged into river channels, so that water bodies are polluted; meanwhile, daily road sprinkling can flush pollutants on roads into rainwater pipelines, and nitrogen-containing and phosphorus-containing compounds in the pollutants can increase the nutrient load of the riverway after entering the water body, so that the eutrophication of the riverway water body is caused. The conventional rainwater pretreatment system arranged at the rainwater inlet usually needs earthwork engineering, so that on one hand, the engineering is complex and the construction time is long; on the other hand, the construction mode also does not meet the requirements of the current low-influence development.
SUMMERY OF THE UTILITY MODEL
The utility model provides an initial stage rainwater purification treatment system to solve the problem that construction that rainwater pretreatment systems carried out earthwork and brought in present river course is complicated.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: in the initial rainwater purification treatment system, a soft barricade is arranged in front of the end part of a rainwater inlet pipe along the direction of a river slope, one end of the soft barricade is in an arc shape, the end part of an arc-shaped part is fixedly connected with the river slope, the other end of the soft barricade is arranged at a distance from the river slope and is fixedly connected with a filter screen, one end of the filter screen, far away from the soft barricade, is fixedly connected with the river slope, an area enclosed among the soft barricade, the filter screen and the river slope is marked as a rainwater purification area, and the end part of the rainwater inlet pipe is positioned in the rainwater purification area; one end of the rainwater purification area close to the rainwater inlet pipe is provided with a filler cofferdam for preliminarily purifying rainwater, the filler cofferdam is of a hollow structure, a multilayer filler layer is arranged in the filler cofferdam, and the area between the filler cofferdam and the filter screen is a deep purification area for further purifying rainwater.
Preferably, the filler cofferdam is the arc setting, and the both ends of filler cofferdam fixed connection is on the river course slope bank of rainwater import pipe both sides respectively.
Preferably, the outer wall of one side of the filler cofferdam, which is far away from the deep purification area, is attached to the arc-shaped part of the soft enclosure, and the filler layer sequentially comprises a zeolite layer, a medical stone layer, a solidified microorganism layer and a limestone layer from top to bottom.
Preferably, a plurality of carbon fiber grasses are arranged in the deep purification area, a first micropore aeration pipe is horizontally laid below the carbon fiber grasses, and the axial line of the first micropore aeration pipe along the length direction is parallel to the axial line of the deep purification area along the length direction.
Preferably, a second microporous aeration pipe which is horizontally arranged is arranged in the solidified microbial layer.
Preferably, an ecological floating island is paved on the horizontal upper part of the deep purification area, the top of the carbon fiber grass is fixedly connected to the bottom of the ecological floating island, the carbon fiber grass is vertically arranged, the bottom of the carbon fiber grass is fixedly connected with a balancing weight, and the suspension density of the carbon fiber grass is 9-10 roots per square meter.
Preferably, the inboard that soft encloses the partition is provided with the spud pile of vertical setting, spud pile fixed connection in the river course bottom, and soft encloses partition, ecological chinampa and filter screen and all is connected with the spud pile through the connecting piece, and the bottom that soft encloses partition and filter screen extends to the river course bottom.
Preferably, the bottom fixedly connected with gabion of filter screen, gabion fixed connection are in the river course bottom, and the top fixedly connected with of filter screen evenly sets up a plurality of floaters.
Preferably, the mesh of the filter screen is 60 meshes, the diameter of the floating balls is 7-14 cm, the distance between the floating balls is 20-25 cm, and the distance between the fixing piles is 1-2 m.
Preferably, the filler cofferdam is arranged in a semicircular shape, and emergent aquatic plants are planted at the top of the filler cofferdam; emergent aquatic plants are also planted on the ecological floating island.
The utility model discloses the beneficial effect who has does: the rainwater purification treatment system is arranged in the river channel, land area is not occupied, and earthwork engineering is not required; the filler cofferdams can slow down the flow velocity of rainwater in a rainstorm period and reduce the impact of the rainwater on the soft enclosure, and the filler cofferdams arranged in an arc shape or a semicircular shape can reduce the scouring force of the rainwater and ensure the stability of the whole system; the arrangement of the multiple packing layers in the packing cofferdam can adsorb elements such as nitrogen, phosphorus and the like in a water body, and reduce the content of pollutants in rainwater; the solidified microbial layer in the filler cofferdam can release a large amount of microbes, so that the water quality purification effect is improved, and meanwhile, the solidified microbial layer can shorten the formation time of a biological film on the surface of the carbon fiber grass, so that the water quality purification effect is better achieved; the surface of the carbon fiber grass can form a layer of biological membrane with a strong purification activity function, and can excite the activity of microorganisms and promote the degradation of pollutants; the first microporous aeration pipe and the second microporous aeration pipe can increase the concentration of dissolved oxygen in rainwater, accelerate the decomposition of organic matters in the rainwater and improve the purification efficiency; the filter screen has further filtering effect on purified rainwater on one hand, and a layer of biological film can be formed on the surface of the filter screen, so that the quality of the discharged water is further improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic structural diagram of the filter screen of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Initial stage rainwater purification treatment system, as shown in fig. 1, the arrow point direction is the flow direction of rainwater, the place ahead of rainwater import pipe 5 tip is provided with soft enclosure 1 along the direction of river course bank 2, soft enclosure 1's one end is the tip and the 2 fixed connection of river course bank that the arc set up and arc portion, soft enclosure 1's the other end sets up and its tip fixedly connected with filter screen 3 with river course bank interval, soft enclosure 1's one end and the 2 fixed connection of river course bank are kept away from to filter screen 3, soft enclosure 1, the region of enclosing between filter screen 3 and the river course bank 2 is marked as rainwater purification area 4, the tip of rainwater import pipe 5 is located rainwater purification area 4. This system encloses into rainwater purifying area 4 by soft enclosure 1, filter screen 3 and river course bank 2, and rainwater purifying area 4 is isolated with outlying river course, prevents that unpurified rainwater from getting into in the river course. One end of the rainwater purification area 4 close to the rainwater inlet pipe 5 is provided with a filler cofferdam 6 used for preliminarily purifying rainwater, the filler cofferdam 6 is of a hollow structure, a multilayer filler layer is arranged in the filler cofferdam 6, and the area between the filler cofferdam 6 and the filter screen 3 is a deep purification area 7 for further purifying rainwater.
Specifically, as shown in fig. 1, the packing cofferdam 6 is arc-shaped, two ends of the packing cofferdam 6 are respectively and fixedly connected to the river slope banks 2 on two sides of the rainwater inlet pipe 5, and the packing cofferdam 6 and the end of the rainwater inlet pipe 5 are arranged at intervals. The filler cofferdam 6 seals the rainwater inlet pipe 5 in an arc-shaped space enclosed by the filler cofferdam 6, so that on one hand, the rainwater flowing out of the rainwater inlet pipe 5 is ensured to be primarily purified by the filler cofferdam 6, on the other hand, the contact area between the rainwater and the filler cofferdam 6 is increased by the filler cofferdam 6 arranged in an arc shape, and the purification efficiency is improved; in addition, the filler cofferdam 6 that the arc set up can reduce the scouring force of rainwater, guarantees whole processing system's stability.
Optionally, as shown in fig. 1 and fig. 2, the outer wall of the side of the filler cofferdam 6 far from the deep purification area 7 is attached to the arc-shaped part of the soft enclosure 1, the filler layer comprises a zeolite layer 16, a medical stone layer 17, a solidified microorganism layer 18 and a limestone layer 19 from top to bottom in sequence, zeolite particles are laid in the zeolite layer 16, medical stone particles are laid in the medical stone layer 17, solidified microorganism particles are filled in the solidified microorganism layer 18, and limestone particles are laid in the limestone layer 19. The zeolite layer 16, the medical stone layer 17, the solidified microorganism layer 18 and the limestone layer 19 are used for primarily purifying the rainwater, so that nitrogen and phosphorus elements in the rainwater are reduced, and the content of pollutants in the water body is reduced.
Optionally, as shown in fig. 2, a plurality of carbon fiber grasses 8 are installed in the deep purification zone 7, a first microporous aeration pipe 9 is laid below the carbon fiber grasses 8, an axis of the first microporous aeration pipe 9 in the length direction is parallel to an axis of the deep purification zone 7 in the length direction, and one end of the first microporous aeration pipe 9 is communicated with a fan (not shown in the figure). The carbon fiber grass 8 has a large surface area, can adsorb and intercept pollutants existing in a suspended state or a dissolved state in rainwater, and can provide good conditions for the growth and propagation of various microorganisms and algae, so that a layer of biological film with a strong purification activity function is formed on the surface of the carbon fiber grass 8, and in addition, the carbon fiber grass 8 can also excite the activity of microorganisms to promote the degradation of the pollutants. The concentration of dissolved oxygen in the water body can be improved by arranging the first microporous aeration pipe 9, so that the effect and efficiency of water quality purification are improved.
Optionally, as shown in fig. 2, a second microporous aeration pipe 20 is installed horizontally in the solidified microorganism layer 18, and one end of the second microporous aeration pipe 20 is also communicated with the blower. The second microporous aeration pipe 20 can improve the concentration of dissolved oxygen in the water in the solidified microorganism layer 18, thereby improving the effect and efficiency of water purification, and in addition, the solidified microorganism particles in the solidified microorganism layer 18 not only can purify water, but also can accelerate the formation of the biological membrane on the surface of the carbon fiber grass 8, thereby further improving the effect and efficiency of water purification and improving the water quality of yielding water.
Optionally, as shown in fig. 2, an ecological floating island 10 is laid horizontally in the deep purification area 7, the top of the carbon fiber grass 8 is fixedly connected to the bottom of the ecological floating island 10, the carbon fiber grass 8 is vertically arranged, and the bottom of the carbon fiber grass is fixedly connected with a balancing weight 11, the carbon fiber grass 8 is kept in a vertical state due to the arrangement of the balancing weight 11, so that the contact area between rainwater and the carbon fiber grass 8 is increased, and the purification efficiency is improved. The hanging density of the carbon fiber grass 8 is 9-10 roots per square meter.
Specifically, as shown in fig. 1, the inner side of the soft enclosure 1 is provided with vertically arranged fixing piles 12, and the number of the fixing piles 12 is selected according to specific situations and is not particularly limited herein. Fixed pile 12 fixed connection is in the river course bottom, and soft enclosure separates 1, ecological chinampa 10 and filter screen 3 on equal fixedly connected with and the connecting piece (not shown in the figure) of the 12 looks adaptations of fixed pile position, and the connecting piece cover is established on fixed pile 12, connecting piece and fixed pile 12 sliding connection, soft enclosure separates 1 promptly, ecological chinampa 10 and filter screen 3 all are connected with fixed pile 12 through the connecting piece, and soft enclosure separates 1 and filter screen 3's bottom extends to the river course bottom. The sleeved connecting piece enables the positions of the soft enclosure 1, the filter screen 3 and the ecological floating island 10 in the horizontal direction in the river channel to be fixed, but the positions of the soft enclosure, the filter screen and the ecological floating island can float up and down along with the change of the water level in the vertical direction of the soft enclosure in the river water.
Optionally, as shown in fig. 3, the bottom fixedly connected with gabion 13 of filter screen 3, gabion 13 fixed connection is in the river course bottom, a plurality of floater 14 that the top fixedly connected with of filter screen 3 evenly set up, filter screen 3 highly enough high, play the counter weight effect through setting up gabion 13, make the rainwater after purifying all through filter of filter screen 3, water quality of water has been ensured, and the setting of floater 14 makes the top of filter screen 3 can float on the surface of water, it flows not filtered and avoided the upper rainwater, the quality of water has further been guaranteed. The filter screen 3 not only can further filter the pollutants in the rainwater purified by the deep purification area 7, but also can be attached with a microbial film on the filter screen 3, so that the quality of the discharged water can be further improved.
Optionally, the mesh of the filter screen 3 is 60 meshes, the diameter of the floating balls 14 is 7-14 cm, the distance between the floating balls 14 is 20-25 cm, and the distance between the fixing piles 12 is 1-2 m.
Optionally, as shown in fig. 1, the filler cofferdam 6 is arranged in a semicircular shape, and emergent aquatic plants 15 are planted at the top of the filler cofferdam 6; emergent aquatic plants 15 are also planted on the ecological floating island 10. Emergent aquatic plants 15 may be selected from, but are not limited to, the following plants: lotus, water hyacinth, calabash, calamus and the like, and the emergent aquatic plant 15 has the function of beautifying the environment on one hand, and on the other hand, the emergent aquatic plant 15 can also absorb pollutants in the water body to purify the water quality.
The above embodiments are not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification of the above embodiments.
Claims (10)
1. Initial stage rainwater purification treatment system, its characterized in that: a soft enclosure is arranged in front of the end part of the rainwater inlet pipe along the direction of the river slope, one end of the soft enclosure is in an arc shape, the end part of the arc-shaped part is fixedly connected with the river slope, the other end of the soft enclosure is arranged at a distance from the river slope and the end part of the soft enclosure is fixedly connected with a filter screen, one end of the filter screen, which is far away from the soft enclosure, is fixedly connected with the river slope, an area enclosed among the soft enclosure, the filter screen and the river slope is marked as a rainwater purification area, and the end part of the rainwater inlet pipe is positioned in the rainwater purification area; one end of the rainwater purification area close to the rainwater inlet pipe is provided with a filler cofferdam for preliminarily purifying rainwater, the filler cofferdam is of a hollow structure, a multilayer filler layer is arranged in the filler cofferdam, and the area between the filler cofferdam and the filter screen is a deep purification area for further purifying rainwater.
2. The initial rainwater purification treatment system according to claim 1, wherein: the filler cofferdam is the arc setting, and the both ends of filler cofferdam fixed connection is on the river course bank of rainwater import pipe both sides respectively.
3. The initial rainwater purification treatment system according to claim 2, wherein: the outer wall of one side of the filler cofferdam, which is far away from the deep purification area, is attached to the arc-shaped part of the soft enclosure, and the filler layer sequentially comprises a zeolite layer, a medical stone layer, a solidified microorganism layer and a limestone layer from top to bottom.
4. The initial rainwater purification treatment system according to claim 1, wherein: a plurality of carbon fiber grasses are arranged in the deep purification area, a first micropore aeration pipe which is horizontally arranged is laid below the carbon fiber grasses, and the axial line of the first micropore aeration pipe along the length direction is parallel to the axial line of the deep purification area along the length direction.
5. The initial rainwater purification treatment system according to claim 3, wherein: a second micropore aeration pipe which is horizontally arranged is arranged in the solidified microorganism layer.
6. The initial rainwater purification treatment system according to claim 4, wherein: an ecological floating island is paved on the horizontal upper part of the deep purification area, the top of the carbon fiber grass is fixedly connected to the bottom of the ecological floating island, the carbon fiber grass is vertically arranged, the bottom of the carbon fiber grass is fixedly connected with a balancing weight, and the suspension density of the carbon fiber grass is 9-10 pieces/square meter.
7. The initial rainwater purification treatment system according to claim 6, wherein: the inboard that soft encloses the partition is provided with the spud pile of vertical setting, and spud pile fixed connection is in the river course bottom, and soft encloses partition, ecological chinampa and filter screen and all is connected with the spud pile through the connecting piece, and soft bottom that encloses partition and filter screen extends to the river course bottom.
8. The initial rainwater purification treatment system according to claim 6, wherein: the bottom fixedly connected with gabion of filter screen, gabion fixed connection are in the river course bottom, and the top fixedly connected with of filter screen evenly sets up a plurality of floaters.
9. The initial rainwater purification treatment system according to claim 8, wherein: the mesh of the filter screen is 60 meshes, the diameter of the floating balls is 7-14 cm, the distance between the floating balls is 20-25 cm, and the distance between the fixing piles is 1-2 m.
10. The initial rainwater purification treatment system according to any one of claims 1 to 9, wherein: the filler cofferdam is arranged in a semicircular shape, and emergent aquatic plants are planted at the top of the filler cofferdam; emergent aquatic plants are also planted on the ecological floating island.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120277277.4U CN214880943U (en) | 2021-02-01 | 2021-02-01 | Initial rainwater purification treatment system |
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|---|---|---|---|
| CN202120277277.4U CN214880943U (en) | 2021-02-01 | 2021-02-01 | Initial rainwater purification treatment system |
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| CN214880943U true CN214880943U (en) | 2021-11-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115010262A (en) * | 2022-05-07 | 2022-09-06 | 南京古洛环保工程有限公司 | Rainwater drainage port reduction and filtration ecological floating island system |
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2021
- 2021-02-01 CN CN202120277277.4U patent/CN214880943U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115010262A (en) * | 2022-05-07 | 2022-09-06 | 南京古洛环保工程有限公司 | Rainwater drainage port reduction and filtration ecological floating island system |
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