CN212127889U - Water environment pollution interception ecological treatment system - Google Patents
Water environment pollution interception ecological treatment system Download PDFInfo
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- CN212127889U CN212127889U CN202020121122.7U CN202020121122U CN212127889U CN 212127889 U CN212127889 U CN 212127889U CN 202020121122 U CN202020121122 U CN 202020121122U CN 212127889 U CN212127889 U CN 212127889U
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Abstract
The utility model discloses a water environment pollution interception ecological treatment system, which comprises a sedimentation area (1) connected with a water inlet pipe (5), wherein the sedimentation area is sequentially communicated with an ecological filter area (2), a composite planting bed area (3), an in-situ planting area (4) and a water outlet pipe (6); the ecological filter pond area and the in-situ planting area are set to be a shallow water area, and the composite planting bed area is set to be a deep water area. A plurality of ecological filter tanks and a first submerged plant planting area are arranged in the ecological filter tank area (2) at intervals, and water flow in the ecological filter tank area flows in a zigzag shape. The composite planting area comprises a plurality of floating bed units (31) and a submerged net bed (32) which are arranged at intervals along the water passing direction, and a plurality of bundles of artificial aquatic plants (33) are arranged at the bottoms of the floating bed units and the submerged net bed. The utility model discloses not only realized sewage treatment system's ecological dilatation, sewage treatment's tail water obtains deep purification moreover, makes the eutrophication problem of tail water obtain alleviating.
Description
Technical Field
The utility model relates to a sewage treatment ecological engineering, in particular to water environmental pollution interception ecological treatment system.
Background
Most urban sewage treatment plants built and put into operation in China execute a first-level B discharge standard (TN is less than or equal to 20mg/L and TP is less than or equal to 1 mg/L) of a pollutant discharge standard (GB 18918-2002) of the urban sewage treatment plants, and part of the urban sewage treatment plants execute a first-level A discharge standard (TN is less than or equal to 15mg/L and TP is less than or equal to 0.5 mg/L), so that the content of nitrogen and phosphorus pollutants in effluent is still high, the quality of the effluent does not reach a ground surface water environment quality standard (GB 3838-2002) and a poor V type water quality standard (TN is less than or equal to 2mg/L and TP is less than or equal to 0.4 mg/L) and does not reach an internationally recognized critical value (TN 0.2mg/L and TP 0.2.
As the urban landscape water body is mostly a static or poor-fluidity closed slow-flow water body, the water environment capacity is small, the self-cleaning capability is poor, and the eutrophication is easy to occur to a certain degree. Therefore, for the surface natural water body with limited water environment capacity, limited self-purification capacity or certain pollution, the effluent of the urban sewage treatment plant cannot solve the eutrophication problem of the received water body, and the direct discharge of the tail water can increase the risk of the eutrophication of the surface natural water body of the urban area.
Therefore, in view of the above problems, it is desirable to provide an ecological treatment system for intercepting water environmental pollution, which can deeply purify the tail water of a sewage plant.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough to sewage plant tail water eutrophication, provide a water environmental pollution interception ecological treatment system to sewage plant tail water deep purification.
In order to solve the technical problem, the utility model provides a water environment pollution interception ecological treatment system, which comprises a sedimentation area connected with a water inlet pipe, wherein the sedimentation area is sequentially communicated with an ecological filter area, a composite planting bed area, an in-situ planting area and a water outlet pipe; the ecological filter pond area and the in-situ planting area are set to be a shallow water area, and the composite planting bed area is set to be a deep water area.
Furthermore, an overflow weir is arranged between the settling zone and the ecological filter tank zone.
Further, ecological filtering pond district contains the multiaspect partition wall that sets up along water passing direction, and the one end and the revetment of each partition wall are connected, keep the certain distance between the other end and the revetment, and stagger each other with the link of revetment, make rivers in the ecological filtering pond district are "it" style of calligraphy and flow.
Further, adjacent two sides middle part interval between the partition wall sets up ecological filter, the periphery of the ecological filter in the ecological filter district sets up first benthophyte and plants the district, and is a plurality of first benthophyte plants the district and sets up to S type form.
Furthermore, 2-3 packing layers are arranged in the ecological filter tank from top to bottom, the packing of each packing layer is gravel packing, the grain diameter of the packing of each packing layer is gradually increased from top to bottom, and emergent aquatic plants are planted on the topmost packing.
Furthermore, the composite planting bed area comprises a plurality of emergent floating leaf plant planting floating bed units and a plurality of submerged net beds, the emergent floating leaf plant planting floating bed units and the submerged net beds are sequentially arranged along the water passing direction, the floating bed units and the submerged net beds are arranged at intervals, and a plurality of bundles of artificial aquatic weeds are arranged at the bottoms of the floating bed units and the submerged net beds.
Further, the number of the floating bed units is 1 more than that of the submerged net beds.
Further, the floating bed unit comprises a plurality of fixing rods which are vertically arranged, a frame is fixedly connected between the fixing rods, a floating body is arranged in the frame, and a plant pot for planting floating-leaf plants is placed in the middle of the floating body.
Furthermore, the submerged net bed comprises two rows of buoys arranged at a certain distance and a net cage positioned between the two rows of buoys, the net cage is submerged under water, and a submerged plant blanket is arranged at the bottom of the net cage.
Further, the in-situ planting area comprises an emergent aquatic plant planting area close to the quayside and a second submerged plant planting area located in the middle.
The utility model discloses a most suspended solid is precipitated in the sedimentation zone, the ecological filtering pond of rethread district is to rivers direction in order to increase the dwell time of intaking in the system, a plurality of ecological filtering ponds and first benthophyte district are equivalent to a plurality of undercurrents and surface current wetland units, form alternation's the aerobic area of holding concurrently, make the suspended solid of aquatic further precipitate or by the separation, then solve the regional difficult problem of planting leafy and benthophyte of deep water more than 3 meters through compound kind of plant bed district, microorganism for different aerobic characteristics provides the attached place, further strengthen the nitrogen and phosphorus removal effect to water.
The utility model discloses strengthened sewage treatment's ecosystem on the basis of the original topography of make full use of, not only realized ecological dilatation, made sewage treatment's tail water obtain deep purification moreover, made the eutrophication problem of tail water obtain alleviating.
Drawings
Fig. 1 is a schematic structural diagram of an ecological treatment system for intercepting water environmental pollution according to the present invention.
Fig. 2 is a schematic longitudinal sectional view of the ecological filter zone according to the present invention.
In the figure: 1. a settling zone, 11, an overflow weir;
2. an ecological filter pool area 21, a partition wall 22, an ecological filter pool 23 and a first submerged plant planting area;
3. a composite planting bed area 31, a floating bed unit 32, a submerged net bed 33, artificial aquatic plants 34, a fixed rod 35, floating plants 36, a buoy 37 and a submerged plant blanket 38 are submerged plant seedlings;
4. an in-situ planting area 41, an emergent aquatic plant planting area 42 and a second submerged plant planting area.
Detailed Description
The invention is further described below with reference to specific preferred embodiments, without thereby limiting the scope of protection of the invention.
For convenience of description, the relative positional relationship of the components, such as: the descriptions of the upper, lower, left, right, etc. are described with reference to the layout directions of the drawings in the specification, and do not limit the structure of the present patent.
Example 1:
as shown in fig. 1 and fig. 2, the embodiment of the water environment pollution intercepting ecological treatment system of the utility model comprises a settling zone 1, an ecological filter tank zone 2, a composite planting bed zone 3 and an in-situ planting zone 4 which are sequentially communicated, wherein the settling zone 1 is connected with a water inlet pipe 5, and the in-situ planting zone 4 is connected with a water outlet pipe 6.
Set up overflow weir 11 between sedimentation zone 1 and ecological filter pond district 2, intake and get into ecological filter pond district 2 through overflow weir 11 after 1 preliminary sedimentation of sedimentation zone.
The ecological filter pool area 2 is a shallow water area and comprises a multi-face partition wall 21 arranged along the water passing direction, a plurality of ecological filter pools 22 and a plurality of first submerged plant planting areas 23. Partition wall 21 is connected with one side revetment of ecological filter pond district 2, keep the certain distance between the opposite side revetment with ecological filter pond district 2, the revetment of ecological filter pond district 2 both sides is connected respectively in turn to multiaspect partition wall 21, stagger in proper order, the interval sets up ecological filter pond 22 between adjacent two sides partition wall 21, multiaspect partition wall 21 separates ecological filter pond district 2 for placing in a plurality of ecological filter ponds 22 of water central point position and a plurality of first benthophyte planting district 23 that are located ecological filter pond 22 periphery, a plurality of first benthophyte planting district 23 wholly constitute S type form, make rivers be the circuitous flow of "it" style of calligraphy under the guide of partition wall 21, flow through each ecological filter pond 22 and first benthophyte planting district 23 in proper order.
2-3 packing layers are arranged in the ecological filter tank 22 from top to bottom, the packing of each packing layer is gravel packing, the particle size is gradually increased from top to bottom, and emergent aquatic plants such as drooping umbrellas, saxifrage, dwarf canna and the like are planted on the top packing.
The composite planting bed area 3 is a deep water area and is formed by alternately and alternately inserting a plurality of floating bed units 31 for emergent floating leaf plant planting and a plurality of submerged net beds 32 for submerged plant planting, which are sequentially arranged along the water passing direction, and the number of the floating bed units 31 is 1 more than that of the submerged net beds 32. The floating bed unit 31 comprises a plurality of fixing rods 34 which are vertically arranged, a framework is fixedly connected among the fixing rods 34 through a circular ring, a light hollow floating body is connected and arranged in the framework through a buckle, and a plant pot for planting floating-leaf plants 35 is placed in the middle of the floating body. The floating body can float along with the water surface.
A submerged net bed 32 is provided between the two floating bed units 31. The submerged net bed 32 is composed of two rows of buoys 36 arranged at a certain distance and a net cage positioned between the two rows of buoys 36. The net cage is sunk to about 1m under water and comprises a frame positioned on the periphery and five polyethylene fiber nets coated on the upper surface and the periphery of the frame, and a submerged plant blanket 37 is arranged at the bottom of the net cage. The submerged plant blanket 37 comprises non-woven fabric filter cotton and polyurethane biochemical cotton which are sequentially overlapped from top to bottom, the peripheries of the non-woven fabric filter cotton and the polyurethane biochemical cotton are sewn into a whole, and ties used for being bound and fixed with the net cage frame are reserved at four corners. The non-woven fabric filter cotton is opened at uniform intervals, submerged plant seedlings 38 such as tape grass, spicate armyworm watermifoil, golden fish algae and the like are planted, and the submerged plant seedlings 38 are pre-cultured in shallow water for about 1 month after being planted to form a blanket.
A plurality of cross bars are fixed at the bottom of the composite planting bed area 3 at certain intervals, and a plurality of bundles of braid type superfine fiber biological ropes, namely artificial aquatic plants 33, are arranged on the cross bars.
The in-situ planting area 4 is a shallow water area and is divided into two areas, an emergent aquatic plant planting area 41 is arranged close to a lapel side, the species of droughhaired bevel grass, saxifrage, dwarf canna and the like are planted, the center is a second submerged plant planting area 42, and aerators are arranged in the second submerged plant planting area 42 at a certain interval.
The utility model discloses during the use, most SS (suspended solid) are deposited to accessible settling zone 1, through ecological filter pond district 2 to the dwell time of rivers direction in order to increase the water intake in the system, a plurality of ecological filter ponds 22 and first benthophyte district 23 are equivalent to a plurality of undercurrents and surface current wetland unit, form alternate change's good oxygen region concurrently, through compound planting bed district 3 difficult problems of planting leafy and benthophyte in the regional difficult planting of deep water more than 3 meters, microorganism for different aerobic characteristics provides the attached place, further strengthen the nitrogen and phosphorus removal effect to water.
The above description is only for the preferred embodiment of the present application and should not be taken as limiting the present application in any way, and although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application, and those skilled in the art should understand that they can make various changes and modifications within the technical scope of the present application without departing from the scope of the present application, and therefore all the changes and modifications can be made within the technical scope of the present application.
Claims (10)
1. A water environment pollution interception ecological treatment system comprises a sedimentation area (1) connected with a water inlet pipe (5), and is characterized in that the sedimentation area is sequentially communicated with an ecological filter area (2), a composite planting bed area (3), an in-situ planting area (4) and a water outlet pipe (6); the ecological filter pond area and the in-situ planting area are set to be a shallow water area, and the composite planting bed area is set to be a deep water area.
2. The aquatic environment pollution intercepting ecological treatment system according to claim 1, wherein an overflow weir (11) is arranged between the settling zone (1) and the ecological filter tank zone (2).
3. The water environmental pollution intercepting ecological treatment system according to claim 1, wherein the ecological filter pool area (2) comprises multi-face partition walls (21) arranged along the water passing direction, one end of each partition wall is connected with the revetment, a certain distance is kept between the other end of each partition wall and the revetment, and the connecting ends of each partition wall and the revetment are staggered with each other, so that the water flow in the ecological filter pool area (2) flows in a zigzag shape.
4. The aquatic environment pollution intercepting ecological treatment system according to claim 3, wherein an ecological filter pool (22) is arranged at the middle interval between the two adjacent partition walls, a first submerged plant planting area (23) is arranged at the periphery of the ecological filter pool in the ecological filter pool area, and a plurality of first submerged plant planting areas are arranged in an S shape.
5. The water environment pollution intercepting ecological treatment system according to claim 4, wherein 2-3 packing layers are arranged in the ecological filter tank from top to bottom, the packing of each packing layer is crushed stone packing, the grain size of the packing of each packing layer is gradually increased from top to bottom, and emergent aquatic plants are planted on the topmost packing.
6. The aquatic environment pollution intercepting ecological treatment system according to claim 1, wherein the composite planting bed area comprises a plurality of emergent floating leaf plant planting floating bed units (31) and a plurality of submerged net beds (32) for submerged plant planting, which are sequentially arranged along the water passing direction, the floating bed units and the submerged net beds are arranged at intervals, and a plurality of artificial water plants (33) are arranged at the bottoms of the floating bed units and the submerged net beds.
7. The aquatic environment pollution intercepting ecological treatment system according to claim 6, wherein the number of the floating bed units is 1 more than that of the submerged net beds.
8. The water environment pollution intercepting ecological treatment system according to claim 6, wherein the floating bed unit comprises a plurality of fixing rods (34) vertically arranged, a frame is fixedly connected among the fixing rods, a floating body is arranged in the frame, and a plant pot for planting floating-leaf plants (35) is placed in the middle of the floating body.
9. The aquatic environment pollution intercepting ecological treatment system according to claim 6, wherein the submerged net bed comprises two rows of buoys (36) arranged at a certain distance and a net cage located between the two rows of buoys, the net cage is submerged under water, and a submerged plant blanket (37) is placed at the bottom of the net cage.
10. The aquatic environment pollution intercepting ecological treatment system according to claim 1, wherein the in-situ planting area comprises an emergent aquatic plant planting area (41) near the quayside and a second submerged plant planting area (42) in the middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020121122.7U CN212127889U (en) | 2020-01-19 | 2020-01-19 | Water environment pollution interception ecological treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020121122.7U CN212127889U (en) | 2020-01-19 | 2020-01-19 | Water environment pollution interception ecological treatment system |
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| Publication Number | Publication Date |
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| CN212127889U true CN212127889U (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020121122.7U Active CN212127889U (en) | 2020-01-19 | 2020-01-19 | Water environment pollution interception ecological treatment system |
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| CN (1) | CN212127889U (en) |
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