CN220393454U - Water purification type constructed wetland without occupying land - Google Patents
Water purification type constructed wetland without occupying land Download PDFInfo
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- CN220393454U CN220393454U CN202321982618.3U CN202321982618U CN220393454U CN 220393454 U CN220393454 U CN 220393454U CN 202321982618 U CN202321982618 U CN 202321982618U CN 220393454 U CN220393454 U CN 220393454U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 238000000746 purification Methods 0.000 title claims abstract description 42
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 7
- 238000009826 distribution Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 10
- 239000011150 reinforced concrete Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 241000196324 Embryophyta Species 0.000 description 17
- 238000010276 construction Methods 0.000 description 12
- 230000008901 benefit Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
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- 238000011065 in-situ storage Methods 0.000 description 3
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- 238000003911 water pollution Methods 0.000 description 3
- -1 NH3-N Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
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- 238000007599 discharging Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
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- 244000205574 Acorus calamus Species 0.000 description 1
- 235000011996 Calamus deerratus Nutrition 0.000 description 1
- 235000005273 Canna coccinea Nutrition 0.000 description 1
- 240000008555 Canna flaccida Species 0.000 description 1
- 241000628997 Flos Species 0.000 description 1
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- 229910021536 Zeolite Inorganic materials 0.000 description 1
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- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Revetment (AREA)
Abstract
The utility model discloses a water quality purification type constructed wetland which does not occupy the land in the technical field of water environment treatment and ecological restoration, mainly comprising an constructed wetland overhead support structure and constructed wetland units, wherein the water quality purification type constructed wetland which does not occupy the land can be arranged on one side or two sides of a river channel or at the upstream and downstream of the river channel, the constructed wetland overhead support structure is used for overhead the constructed wetland units, the bottom of the constructed wetland units is higher than the normal water level and the designed flood level of the river channel, and a flood-passing space is formed between the bottom of a river bed and the constructed wetland units.
Description
Technical Field
The utility model relates to the technical field of water environment treatment and ecological restoration, in particular to a water quality purification type constructed wetland which does not occupy the land.
Background
In recent years, along with ten national water outlets, the river basin comprehensive treatment is developed in various places for improving the water quality and the water environment of river and lake water systems, including river channel external control source sewage interception, river channel internal in-situ treatment, artificial wetland purification and the like.
Aiming at the existing constructed wetland, a relative scheme is formulated for the following problems:
as a common water environment treatment and water ecological restoration measure, the constructed wetland has better effect in the aspect of purifying the water quality of medium and micro-polluted water bodies, in particular to a subsurface flow constructed wetland, which purifies the water bodies through the synergistic effect of fillers, plants and microorganisms, and is the main flow process of the current water quality purification constructed wetland. However, the construction of the artificial wetland needs to occupy a large amount of land, so that the construction of the constructed wetland is increasingly difficult due to the fact that the external land of the river is increasingly tense at present, the construction of the constructed wetland in the river can influence the flood discharge of the river, and in the whole, the popularization and construction of the constructed wetland in the urban built-up area are increasingly difficult.
Along with the gradual strict examination requirements of the national and regional pollution river management, the water quality purification type constructed wetland is a difficult problem in the current water environment management work by combining the self conditions such as urban built-up areas, shortage of river lands and the like.
Disclosure of Invention
The utility model mainly aims to overcome the defects of the prior art and provide a water quality purification type constructed wetland which does not occupy the land.
The utility model is realized by adopting the following technical scheme: the non-occupied water quality purification type constructed wetland mainly comprises an constructed wetland overhead supporting structure and an constructed wetland unit, and the non-occupied water quality purification type constructed wetland can be arranged on one side or two sides of a river channel or at the upstream and downstream of the river channel;
the constructed wetland overhead supporting structure is used for overhead the constructed wetland units, the bottoms of the constructed wetland units are higher than the river channel constant water level and the designed flood level and are connected with river channel revetment retaining walls, and flood-passing spaces are formed between the river channel riverbed bottoms and the constructed wetland units;
and an up-down slope step, a walking trestle and a protective railing are arranged at the adjacent part of one side of the constructed wetland unit.
Furthermore, the constructed wetland overhead supporting structure is overhead in the flood-passing space or the inner side of the river channel, and the constructed wetland unit is built above the overhead constructed wetland supporting structure.
Further, the constructed wetland unit comprises an artificial wetland bottom plate, a wetland wall body, an artificial wetland filter material, artificial wetland plants, a wetland water distribution facility and a wetland water outlet facility, wherein the wetland bed body is built by the artificial wetland bottom plate and the wetland wall body, the inside of the wetland wall body is filled with wetland filler, the wetland water distribution facility is arranged on one side of the wetland wall body, the artificial wetland filter material is filled in the wetland bed body, the artificial wetland plants are planted on the upper part of the artificial wetland filter material, and the wetland water outlet facility is arranged on the lower part of the other side of the wetland wall body.
Further, the constructed wetland overhead support structure and the constructed wetland units can be arranged on one side or two sides in the river channel.
Furthermore, the outer side of the wetland bed body is an enclosure structure, and the enclosure structure is formed by adopting a masonry or reinforced concrete structure.
Furthermore, the aerial mode of the constructed wetland aerial support structure is a reinforced concrete structure or a steel support structure.
Furthermore, the water quality purification type constructed wetland is a horizontal subsurface flow wetland or a vertical subsurface flow wetland.
Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
(1) The method has the advantages that the requirements of river flood control and drainage are not influenced, meanwhile, the artificial wetland is built in the river in an overhead manner, the existing flood control and drainage capacity and functions of the river are not influenced, the land used on two sides of the river are reduced, and the problems of tail water purification of the existing sewage plant and land occupation of the polluted river treatment sign are solved;
(2) The wetland filler is used as a microbial carrier and matched with wetland plants for absorption and purification, so that the removal of pollutants such as NH3-N, COD, BOD5, TP and the like is efficiently completed, and the treatment efficiency is far higher than that of other in-situ treatment technologies in the existing river channel;
(3) Planting aquatic plants on the artificial wetland layer and paving the artificial wetland layer to ecologically soften the existing hard river, so that ecological landscape along the river is greatly improved;
(4) The constructed wetland can realize multi-river-section arrangement, one-side or double-side arrangement and upstream and downstream multi-stage arrangement according to the river width condition, and greatly expands the application scene in the field of water pollution control and treatment.
The utility model aims to overcome the land difficulty of the construction of the existing artificial wetland for water environment treatment, fully utilizes the existing space in a river channel, provides a novel artificial wetland construction technology, is suitable for urban flood-passing river channels with shortage of land use at two sides, is also suitable for suburban river channels with built embankments and revetments, can meet the river flood-passing requirements of river channels, can reduce occupied land, and has good ecological landscape effect while realizing water quality purification.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
FIG. 2 is a schematic plan layout of the water purification type constructed wetland without occupying the land.
In the figure: river bank retaining wall 1, river bed bottom 2, river constant water level 3, design flood level 4, constructed wetland overhead support structure 5, constructed wetland unit 6, constructed wetland bottom plate 61, constructed wetland wall 62, constructed wetland filter material 63, constructed wetland plants 64, wetland water distribution facility 65, wetland water outlet facility 66, up-and-down slope steps 7, walking trestle 8 and protection railing 9.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the present utility model provides a technical scheme of a water quality purification type constructed wetland without occupying land: a water purification type constructed wetland which does not occupy the land is characterized in that: the water quality purification type constructed wetland which does not occupy the land mainly comprises an constructed wetland overhead supporting structure 5 and an constructed wetland unit 6, and the water quality purification type constructed wetland which does not occupy the land can be arranged on one side or two sides of a river channel or can be arranged at multiple stages on the upstream and downstream of the river channel to jointly exert the efficacy;
the constructed wetland overhead supporting structure 5 is used for overhead the constructed wetland units 6, the bottoms of the constructed wetland units 6 are higher than the river channel constant water level 3 and the designed flood level 4 and are connected with the river channel revetment retaining wall 1, and a flood-passing space is formed between the river channel riverbed bottom 2 and the constructed wetland units 6;
the adjacent parts of one side of the constructed wetland unit 6 are provided with relevant facilities such as an ascending and descending step 7, a walking trestle 8, a protective railing 9, a walking trestle, a bike path, an ascending and descending step, a rest stool, a garbage can and the like.
Preferably, the constructed wetland overhead supporting structure 5 is used for carrying out overhead with a certain width in a flood-passing space or a river channel, and carrying out construction of the constructed wetland unit 6 above the overhead, so that relevant supporting facility construction can be carried out on the basis of constructed wetland construction.
Preferably, the flood discharging or drainage river channel can be a flood control and drainage standard river channel of an established embankment and a shore protection in a urban area, or a flood control and drainage standard river channel of an established suburban area of the embankment and the shore protection.
Preferably, the inner side of the river channel can be the left side or the right side of the river channel, and can also be the two sides of the river channel, and the width is preferably not more than half of the river width and does not influence the ecological landscape view of the river channel.
Preferably, the constructed wetland unit 6 comprises a constructed wetland bottom plate 61, a wetland wall 62, a constructed wetland filter 63, constructed wetland plants 64, a wetland water distribution facility 65 and a wetland water outlet facility 66, wherein the constructed wetland bottom plate 61 and the wetland wall 62 are built into a bed body, the interior of the wetland wall 62 is filled with wetland filler, the wetland water distribution facility 65 is arranged on one side of the wetland wall 62, the constructed wetland filter 63 is filled in the bed body, the upper part of the constructed wetland filter 63 is planted with constructed wetland plants 64 with stronger water purification capability, and the wetland water outlet facility 66 is arranged on the lower part of the other side of the wetland wall 62 and is responsible for draining and dewatering of the constructed wetland unit 6.
Preferably, the constructed wetland overhead support structure 5 and the constructed wetland units 6 may be arranged on one side or on both sides in the river channel.
Preferably, the outer side of the wetland bed body is an enclosure structure, and the enclosure structure is formed by adopting a masonry or reinforced concrete structure.
Preferably, the aerial support structure 5 of the constructed wetland is in an aerial mode of a reinforced concrete structure or a steel support structure, can be made of novel synthetic materials, can be a single column, can select double rows and multiple rows according to requirements, and needs to consider the requirements of wetland bearing and river flood discharge, so that foundation treatment of the aerial structure is finished; the overhead height should be higher than the river course flood level, in order to guarantee that the construction of overlying constructed wetland and other structures does not influence river course flood discharge and drainage.
Preferably, the water quality purification type constructed wetland can be a horizontal subsurface flow wetland or a vertical subsurface flow wetland, or a combination of the horizontal subsurface flow wetland and the vertical subsurface flow wetland;
the subsurface flow wetland comprises a water distribution facility, a water collection facility, a wetland bed body, a wetland pipeline system and the like; the water distribution facility is composed of one or more of a wetland water distribution well, a water distribution tank, a perforated pipe, a perforated wall and the like; the water collecting facility is a facility for uniformly discharging water from the wetland and comprises one or more of perforated pipes, perforated walls, water collecting tanks and the like; the outer side of the wetland bed body is an enclosure structure, which can be a masonry or reinforced concrete structure; the interior of the wetland bed body enclosure structure is required to be impermeable, and the impermeable can be cement mortar or concrete impermeable, or can be one or a plurality of combinations of geomembranes, clay and the like; the interior of the wetland wall body is filled with wetland filler, and the wetland filler can comprise one or more of gravels, volcanic rocks, ceramsite and zeolite; a perennial emergent aquatic plant is planted above the wetland bed body filler, and the emergent aquatic plant can comprise one or more of herba allii fistulosi, typha, reed, canna, iris, calamus, flos lonicerae, cane shoot, umbelliferus, haloxylon ammodendron, lythrum, and the like; the wet land can be paved locally, so that the requirements of rest and walk of the surrounding masses are met; the wetland pipeline system mainly comprises a water supplementing pipe, an exhaust pipe, a cleaning port and the like.
Preferably, the constructed wetland incoming water is pressurized and lifted or automatically flows into a wetland water inlet pipe and a water distribution facility through the front end according to the wetland process requirement, and the constructed wetland incoming water can be low-pollution surface water with characteristics of effluent after preliminary purification of a small sewage treatment facility, effluent of a sewage treatment plant which is discharged after reaching standards, slightly-polluted river water, farmland water return and the like.
Preferably, the water supply of the constructed wetland meets the water supply quality requirement of the constructed wetland, and a pretreatment device is arranged in front of the constructed wetland when the water supply of the constructed wetland does not meet the water supply quality requirement, and the pretreatment can be performed by adopting process facilities such as an ecological detention pond, an ecological gravel bed, a grit chamber, a sedimentation tank or a filter tank.
Preferably, the effluent after the constructed wetland treatment can be directly discharged into a nearby river channel according to actual conditions, can be used as ecological water supplementing for the river channel and river reach according to ecological landscape requirements of the river channel, and can be connected into a production and living recycling system for recycling by combining urban and rural production and living requirements.
The utility model relates to a working principle of a water quality purification type constructed wetland without occupying land:
the utility model provides a water purification type constructed wetland construction technology without occupying land, which mainly comprises an artificial wetland overhead supporting structure 5 and an artificial wetland unit 6, wherein wetland incoming water enters a wetland water distribution facility 65 of the artificial wetland unit 6 after gravity flow or pump station pressurization, the wetland water distribution facility 65 is uniformly configured to a wetland bed body, the wetland bed body is built by an artificial wetland bottom plate 61 and a wetland wall 62, an artificial wetland filter material 63 is filled in the middle, artificial wetland plants 64 with stronger water purification capability are planted at the upper part of the artificial wetland filter material 63, and the water is discharged into a river channel or recycled by a wetland water outlet facility 66 under the physical, chemical and biological synergistic effect of the artificial wetland filter material 63 and microorganisms attached to the artificial wetland filter material 63 and the artificial wetland plants 64.
The artificial wetland unit 6 is overhead through the artificial wetland overhead supporting structure 5, the bottom of the artificial wetland unit 6 is higher than the river channel constant water level 3 and the design flood level 4, and is connected with the current river channel bank retaining wall 1, a flood discharge space is formed between the current river channel bed bottom 2 and the artificial wetland unit 6, the river channel flood control and flood discharge are not affected after the water quality purification type artificial wetland is implemented, the requirements of the artificial wetland management and the public service are combined, and the auxiliary facilities 8 such as an up-down slope step 7, a walking trestle and the like at the adjacent parts of the artificial wetland unit 6 and the protective railing 9 can be used for comprehensively utilizing the space in the field and diversifying the benefit.
As shown in figure 2, the constructed wetland unit 6 can be arranged on one side in a river channel, can be arranged on two sides, can be arranged on the upstream and downstream of the river channel in multiple stages to jointly exert the efficacy, and greatly improves the application of the utility model in the field of water pollution control and management.
(1) The method has the advantages that the requirements of river flood control and drainage are not influenced, meanwhile, the artificial wetland is built in the river in an overhead manner, the existing flood control and drainage capacity and functions of the river are not influenced, the land used on two sides of the river are reduced, and the problems of tail water purification of the existing sewage plant and land occupation of the polluted river treatment sign are solved;
(2) The wetland filler is used as a microbial carrier and matched with wetland plants for absorption and purification, so that the removal of pollutants such as NH3-N, COD, BOD5, TP and the like is efficiently completed, and the treatment efficiency is far higher than that of other in-situ treatment technologies in the existing river channel;
(3) Planting aquatic plants on the artificial wetland layer and paving the artificial wetland layer to ecologically soften the existing hard river, so that ecological landscape along the river is greatly improved;
(4) The constructed wetland can realize multi-river-section arrangement, one-side or double-side arrangement and upstream and downstream multi-stage arrangement according to the river width condition, and greatly expands the application scene in the field of water pollution control and treatment.
In summary, aiming at the main problem of land shortage in most areas in the prior art, under the premise of not affecting the flood control and drainage safety of a river channel, the utility model introduces the polluted water to be treated into an artificial wetland purification system by overhead construction of the artificial wetland in the river channel, and realizes ecological purification treatment of river water by the filler, microbial film and wetland plants of the artificial wetland;
the utility model fully utilizes the area above the river channel, provides an ecological purification treatment technology suitable for the river channel with shortage land on two sides of the river channel, general landscape effect and water quality to be improved on the basis of improving the water quality of the river channel or the water quality of the river channel and avoiding the land occupying large areas on two sides of the outside of the river channel, and realizes the unification of ecological benefit and economic benefit.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. A water purification type constructed wetland which does not occupy the land is characterized in that: the non-occupied water quality purification type constructed wetland mainly comprises an constructed wetland overhead supporting structure (5) and an constructed wetland unit (6), and the non-occupied water quality purification type constructed wetland can be arranged on one side or two sides of a river channel or on the upstream and downstream of the river channel;
the constructed wetland overhead supporting structure (5) is used for overhead the constructed wetland unit (6), the bottom of the constructed wetland unit (6) is higher than the river course normal water level (3) and the design flood level (4) and is connected with the river course revetment retaining wall (1), and a flood-passing space is formed between the river course riverbed bottom (2) and the constructed wetland unit (6);
an up-down slope step (7), a walking trestle (8) and a protective railing (9) are arranged at the adjacent part of one side of the constructed wetland unit (6).
2. The non-occupied water purification type constructed wetland according to claim 1, wherein: the constructed wetland overhead supporting structure (5) is overhead in a flood-passing space or the inner side of a river channel, and the constructed wetland unit (6) is built above the overhead constructed wetland supporting structure.
3. The non-occupied water purification type constructed wetland according to claim 1, wherein: constructed wetland unit (6) are including constructed wetland bottom plate (61), constructed wetland wall (62), constructed wetland filter material (63), constructed wetland plant (64), wetland water distribution facility (65), wetland water outlet facility (66), and the constructed wetland bed is built by constructed wetland bottom plate (61) and constructed wetland wall (62), the inside wetland filler that has filled of constructed wetland wall (62), constructed wetland filter material (63) are filled in the constructed wetland bed, constructed wetland filter material (63) upper portion is planted constructed wetland plant (64), constructed wetland water outlet facility (66) are located the other side lower part of constructed wetland wall (62).
4. The non-occupied water purification type constructed wetland according to claim 1, wherein: the constructed wetland overhead support structure (5) and the constructed wetland units (6) can be arranged on one side or two sides in a river channel.
5. A non-occupied water purification type constructed wetland according to claim 3, wherein: the outer side of the wetland bed body is an enclosure structure, and the enclosure structure is formed by adopting a masonry or reinforced concrete structure.
6. The non-occupied water purification type constructed wetland according to claim 1, wherein: the constructed wetland overhead supporting structure (5) is in an overhead mode of a reinforced concrete structure or a steel supporting structure.
7. The non-occupied water purification type constructed wetland according to claim 1, wherein: the water quality purification type constructed wetland is a horizontal subsurface flow wetland or a vertical subsurface flow wetland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321982618.3U CN220393454U (en) | 2023-07-26 | 2023-07-26 | Water purification type constructed wetland without occupying land |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321982618.3U CN220393454U (en) | 2023-07-26 | 2023-07-26 | Water purification type constructed wetland without occupying land |
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| CN220393454U true CN220393454U (en) | 2024-01-26 |
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| CN202321982618.3U Active CN220393454U (en) | 2023-07-26 | 2023-07-26 | Water purification type constructed wetland without occupying land |
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| CN (1) | CN220393454U (en) |
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2023
- 2023-07-26 CN CN202321982618.3U patent/CN220393454U/en active Active
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