CN112544275A - Multifunctional ecological tree pool - Google Patents
Multifunctional ecological tree pool Download PDFInfo
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- CN112544275A CN112544275A CN202011242577.5A CN202011242577A CN112544275A CN 112544275 A CN112544275 A CN 112544275A CN 202011242577 A CN202011242577 A CN 202011242577A CN 112544275 A CN112544275 A CN 112544275A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G27/00—Self-acting watering devices, e.g. for flower-pots
- A01G27/04—Self-acting watering devices, e.g. for flower-pots using wicks or the like
- A01G27/06—Self-acting watering devices, e.g. for flower-pots using wicks or the like having a water reservoir, the main part thereof being located wholly around or directly beside the growth substrate
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Chemical & Material Sciences (AREA)
- Public Health (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Environmental Sciences (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Treatment Of Biological Wastes In General (AREA)
Abstract
The invention provides a multifunctional ecological tree pool, which comprises a planting area, a purification area and a pretreatment area, wherein the planting area, the purification area and the pretreatment area are sequentially arranged from inside to outside; wherein, the first order supports the device and includes first box, first drainage stick and infiltration drainage tube of absorbing water, and the second level supports the device and includes that the top sets up the second box and the second drainage stick of absorbing water of second delivery port, and the infiltration drainage tube is from the first box of gravel layer bottom intercommunication, and second box lateral wall is provided with the groove of permeating water of intercommunication anaerobic reaction layer. The invention has convenient maintenance, does not need manual irrigation, can realize the enhanced nitrogen and phosphorus removal and the nutrition supply provided by plants, and can be used for municipal roads, parks and residential areas.
Description
Technical Field
The invention relates to the technical field of sponge city construction, in particular to a multifunctional ecological tree pool.
Background
Based on the rapid development of urbanization, the impervious road surface in city increases for urban waterlogging, too big scheduling problem of flood peak runoff also takes place easily, and then leads to a large amount of pollutants to get into municipal pipe network and increase municipal pipe network's bearing load. The sponge city is a complex and long-term process, follows principles such as ecological priority, and the like, integrates the systematicness of natural rainfall, surface water and underground water, coordinates water recycling links such as water supply and drainage, realizes accumulation, permeation and purification of rainwater in urban areas to the maximum extent, and promotes utilization of rainwater resources and ecological environment protection.
The ecological tree pool is an important ring for sponge city construction, most of tree irrigation in the ecological tree pool in the prior art adopts manual irrigation, on one hand, the utilization rate of water resources is low, time and labor are wasted, water is easy to accumulate, roots of plants are rotten, mosquitoes are bred, and the use experience of people is reduced; the tree does not have a nutrient source when growing, and the tree needs to be artificially dripped to increase the survival probability of the plant. In addition, the main body function of the existing ecological tree pool technology is still rainwater regulation and storage, and nitrogen, phosphorus and organic pollutants in rainwater cannot be removed in an enhanced mode.
Disclosure of Invention
The invention aims to provide a multifunctional ecological tree pool which is time-saving and labor-saving in maintenance, does not need manual irrigation, can provide rich nutrient sources for plants while enhancing nitrogen and phosphorus removal, and can be used for municipal roads, parks and residential areas.
In order to achieve the above purpose, the invention provides the following technical scheme: a multifunctional ecological tree pool comprises a planting area, a purification area and a pretreatment area, wherein the purification area and the pretreatment area are sequentially arranged around the outer side of the planting area;
the pretreatment area is respectively provided with a rainwater grate, a sewage intercepting hanging basket and a sludge settling area from top to bottom; the mud settling area is provided with a box chamber structure with a closed bottom and an open top, and one side wall of the box chamber structure is open; the sewage interception hanging basket is hung above the inner side of the box chamber structure, and the upper end surface of the sewage interception hanging basket is flush with the upper end surface of the box chamber structure of the sludge deposition area; the rainwater grate seals the top opening of the box chamber structure of the mud settling zone;
the purification area comprises a cobble layer, a water distribution layer, a gravel layer, an aluminum sludge packing layer and an anaerobic reaction layer which are sequentially paved from top to bottom; the cobblestone layer is flush with the rainwater grate, a first water outlet is formed in the bottom of the cobblestone layer, and the first water outlet is communicated with a municipal rainwater pipe; the water distribution layer is designed into a double-layer structure along the vertical direction, the side face of the double-layer structure close to the pretreatment area is communicated with the side wall opening of the box chamber structure, and the side face of the double-layer structure far away from the pretreatment area is closed; the upper layer of the double-layer structure is designed into a seamless structure and is used for bearing a cobble layer; the lower layer of the double-layer structure is designed into a hole structure densely distributed with water seepage holes and used for distributing water to a gravel layer below;
the planting area comprises a planting soil layer, a first-stage feeding device and a second-stage feeding device which are sequentially arranged from top to bottom; the outer periphery of the planting soil layer is sealed, and the top of the planting soil layer is not higher than the top of the cobblestone layer; the first-stage feeding device comprises a first box body for storing water, a plurality of first water absorption and drainage rods extending from the stored water in the first box body to the planting soil layer and a plurality of permeation and drainage pipes communicated with the first box body from the bottom of the gravel layer, and the first box body is closed; the second level supplies to support the device including the second box that is used for depositing water, from the inside a plurality of second drainage stick that absorbs water that deposits water of second box and extend to planting soil horizon inside, second box upper portion is provided with the second delivery port that communicates in municipal administration downspout to still be provided with the groove of permeating water that communicates in anaerobic reaction layer on the second box lateral wall.
Furthermore, a permeable blocking plate is arranged between the aluminum sludge packing layer and the anaerobic reaction layer, the anaerobic reaction layer is provided with a plurality of packing rods hung at the bottom of the permeable blocking plate, the packing rods comprise a plurality of series-connected packing boxes, and bacteria and algae packing is filled and fixed in the packing boxes; the bacteria and algae contained in the bacteria and algae filler are denitrifying bacteria and/or chlorella pyrenoidosa.
Further, the second case is at least twice as large as the first case.
Further, the permeation drainage pipe part extends into the gravel layer, and the part of the pipe body extending into the gravel layer is set as a permeation pipe; the diameter of the water seepage hole on the surface of the water seepage pipe is 2-5 mm.
Furthermore, the top of the second-stage oxygen supply device is parallel to the top of the anaerobic reaction layer, and the notch of the water permeable groove on the side wall of the second box body is coated with water permeable geotextile.
Furthermore, the particle size of the cobble layer filler is 5-8 cm, the particle size of the gravel layer filler is 1-3 cm, and the particle size of the aluminum sludge filler layer filler is 6-8 mm.
According to the technical scheme, the ecological tree pool with enhanced nitrogen and phosphorus removal and secondary nutrient supply has the following beneficial effects:
(1) the ecological tree pool with enhanced nitrogen and phosphorus removal and secondary nutrient supply, provided by the invention, is time-saving and labor-saving in management and maintenance, does not need manual irrigation, meets the water storage function, effectively purifies rainwater and enhances the nitrogen and phosphorus removal effect;
(2) the arrangement of the secondary feeding device can ensure the moisture required by the plants in the ecological tree pool and provide a large amount of rich nutrient substances;
(3) the ecological tree pool with enhanced nitrogen and phosphorus removal and secondary nutrient supply provided by the invention can solve the problem that rainwater cannot be quickly discharged when the rainfall is too large.
It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of this disclosure unless such concepts are mutually inconsistent.
The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of specific embodiments in accordance with the teachings of the present invention.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a sectional view of an ecological tree pool for enhanced denitrification and dephosphorization with secondary nutrient supply.
In the figure, the specific meaning of each mark is:
1-a pretreatment area, 11-a rainwater grate, 12-a sewage interception hanging basket and 13-a sludge settling area; 2-a purification area, 21-a cobble layer, 211-a first water outlet, 22-a water distribution layer, 23-a gravel layer, 24-an aluminum sludge packing layer and 25-an anaerobic reaction layer; 3-planting area, 31-planting soil layer, 32-first stage feeding device, 321-first water absorption and drainage rod, 322-permeation drainage tube, 33-second stage feeding device, 331-second water absorption and drainage rod, and 332-second water outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.
The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Similarly, the singular forms "a," "an," or "the" do not denote a limitation of quantity, but rather denote the presence of at least one, unless the context clearly dictates otherwise. The terms "comprises," "comprising," or the like, mean that the elements or items listed before "comprises" or "comprising" encompass the features, integers, steps, operations, elements, and/or components listed after "comprising" or "comprising," and do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may also be changed accordingly.
The ecological tree pool based on the prior art has the following problems in the actual life, which causes poor use experience of people: 1) manual irrigation is adopted for irrigation, so that the efficiency is low, water is accumulated easily, and root rot of plants and breeding of mosquitoes are caused; 2) the irrigation water has low nutrition, and the tree growth nutrition needs manual supply, so that the survival probability of the plants is increased; 3) the existing ecological tree pool has poor effect on removing nitrogen, phosphorus and organic pollutants in rainwater; the invention aims to provide a multifunctional ecological tree pool which is convenient to maintain, does not need manual irrigation, synchronously provides rich nutrient sources for plants while achieving enhanced nitrogen and phosphorus removal, and is suitable for municipal roads, parks and residential areas.
The detailed working principle of the multifunctional ecological tree pool of the invention is further described in detail with reference to the embodiment shown in the attached drawings.
Referring to fig. 1, the multifunctional ecological tree pool comprises a planting area 3, a purification area 2 and a pretreatment area 1, wherein the purification area 2 and the pretreatment area 1 are sequentially arranged around the outer side of the planting area 3. In combination with the figure, the pretreatment area 1 is respectively provided with a rainwater grate 11, a sewage intercepting hanging basket 12 and a sludge settling area 13 from top to bottom; in order to load the silt, the silt settling area 13 is provided with a box chamber structure with a closed bottom and an open top, and one side wall of the box chamber structure is open; the sewage interception hanging basket 12 is hung above the inner side of the box chamber structure, and the upper end surface of the sewage interception hanging basket 12 is flush with the upper end surface of the box chamber structure of the sludge settling zone 13; the rainwater grate 11 seals the top opening of the box chamber structure of the mud settling area 13; the rainwater grate 11 is generally made of stainless steel and has larger bearing capacity, and can intercept large impurities such as dry branches and fallen leaves when raining; the catch basin 12 further intercepts larger particles in the rain, and the mud settling area 13 can settle smaller particles in the rain, such as soil flowing along with the rain.
The purifying area 2 comprises a cobble layer 21, a water distribution layer 22, a gravel layer 23, an aluminum sludge packing layer 24 and an anaerobic reaction layer 25 which are sequentially paved from top to bottom, and the purifying area 2 is kept as high as the pretreating area 1 in actual life. As shown in fig. 1, the cobble layer 21 is flush with the rainwater grate 11, a first water outlet 211 is arranged at the bottom of the cobble layer 21, and the first water outlet 211 is communicated with a municipal rainwater pipe; the water distribution layer 22 is designed into a double-layer structure along the vertical direction, the side surface of the double-layer structure close to the pretreatment region 1 is communicated with the side wall opening of the box chamber structure, and the side surface of the double-layer structure far away from the pretreatment region 1 is sealed; in order to realize that the purifying area 2 is suitable for different amounts of rainwater, the upper layer of the double-layer structure is designed to be a seamless structure and is used for bearing the cobble layer 21; the lower layer of the double-layer structure is designed into a hole structure densely distributed with water seepage holes and used for distributing water to the lower gravel layer 23. Be provided with the baffler that permeates water between aluminium sludge packing layer 24 and the anaerobic reaction layer 25, anaerobic reaction layer 25 sets up to hanging a plurality of filler rods that permeate water the baffler bottom, and the filler rod includes the stuffing box of a plurality of series connections, and the setting of filler box straggling on the adjacent filler rod is filled and is fixed with the fungus algae and packs in the stuffing box. Typically, the algal mass comprises algal bacteria that are denitrifying bacteria and/or Chlorella pyrenoidosa.
In the specific implementation process, the water distribution layer 22 is a rectangular stainless steel frame, the upper part of the water distribution layer is provided with a solid top plate for supporting the cobble layer 21, and the lower part of the water distribution layer is provided with a bottom plate densely distributed with water seepage holes for uniformly distributing water to the cobble layer 23; the particle size of the cobble layer 21 filler is 5-8 cm, the particle size of the gravel layer 23 filler is 1-3 cm, the particle size of the aluminum sludge filler layer 24 filler is 6-8 mm, the aluminum sludge filler layer 24 mainly acts on absorbing phosphorus, and the anaerobic reaction layer 25 mainly achieves denitrification through the action of anaerobic reaction and nitrogen in rainwater.
The planting area 3 comprises a planting soil layer 31, a first-stage nutrient supplying device 32 and a second-stage nutrient supplying device 33 which are sequentially arranged from top to bottom; the periphery of the planting soil layer 31 is sealed, and the top of the planting soil layer 31 is not higher than the top of the cobble layer 21; the first-stage feeding device 32 comprises a first box body for storing water, a plurality of first water absorbing and drainage rods 321 extending from the stored water in the first box body to the planting soil layer 31, and a plurality of permeation drainage pipes 322 communicated with the first box body from the bottom of the gravel layer 23, wherein the first box body is closed; the second-stage feeding device 33 comprises a second box body for storing water, a plurality of second water absorption and drainage rods 331 which are extended to the inside of the planting soil layer 31 from the water stored in the second box body, wherein the top of the second-stage feeding device 33 is flush with the top of the anaerobic reaction layer 25, the upper part of the second box body is provided with a second water outlet 332 communicated with a municipal rainwater pipe, and a water permeable groove communicated with the anaerobic reaction layer 25 is further arranged on the side wall of the second box body. In order to prevent the rainwater on the anaerobic reaction layer 25 flowing into the second box body from containing impurities such as fine dust particles, the side wall of the second box body is coated with permeable geotextile.
In the embodiment, in order to facilitate the filtered rainwater of gravel layer 23 to flow into to first box, infiltration drainage pipe 322 part stretches into gravel layer 23 inside to stretch into the inside partial body of gravel layer 23 and set up to the infiltration pipe, 2 ~ 5mm are selected to the aperture in infiltration pipe surface infiltration hole. In the embodiment of the invention, the particle size of each filler and the pore diameter of each water seepage hole are selected to achieve the purposes of high purification and enhanced nitrogen and phosphorus removal effects of rainwater, and other sizes are also within the scope of the disclosure if similar purification, nitrogen and phosphorus removal effects can be achieved.
The operation of the ecological tree pool according to the embodiment is described in detail as follows. Rainwater flows out of the pretreatment area 1 and sequentially enters the gravel layer 23, the aluminum sludge packing layer 24 and the anaerobic reaction layer 25 through the water distribution layer 22, so that the rainwater sequentially passes through purification procedures of an aerobic stage, an anoxic stage and an anaerobic stage, and a large amount of nitrogen and phosphorus are removed; in addition, the immobilized bacteria and algae filler concentrates microorganisms in a specific area, so that the concentration of the microorganisms is high, and the denitrification effect is greatly improved; under the condition of insufficient carbon source, the bacteria, algae and algae powder and the adsorbed organic matters can provide a part of carbon source, reduce the amount of the external carbon source and ensure the stable and continuous operation of the whole anaerobic reaction.
In rainy season, the algae powder and the adsorbed organic matters can keep the high activity state of the immobilized bacteria and algae filler for a long time.
In the specific purification process, the water absorption and drainage rods in the first-stage oxygen supply device 32 and the second-stage oxygen supply device 33 are arranged in a staggered manner, and the first water absorption and drainage rod 321 and the second water absorption and drainage rod 331 are made of polyacrylonitrile water absorption fibers and have strong water absorption capacity. First order support device 32 accepts the rainwater that infiltration drainage tube 322 brought, and great suspended solid and organic particle are got rid of by a large amount through the filtration of pretreatment area 1 and gravel layer 23 in the rainwater this moment, and rainwater nitrogen phosphorus content is high to gather in first box, through first drainage stick 321 that absorbs water, nutrient among the effective absorption first order support device 32 supplements to planting soil layer 31, provides a large amount of nutrients for the plant, guarantees vegetation. The groove of permeating water of second box side in the second level support device 33 guarantees that the rainwater after 2 purifications of clean area flows into the second box smoothly, and rainwater nitrogen phosphorus content reduces in a large number in first level support device 32 this moment, absorbs water through the second and drainage stick 331 supplies to plant soil layer 31, mainly provides moisture for the plant, guarantees vegetation.
When the rainwater is smaller, the rainwater sequentially passes through the pretreatment 1, the gravel layer 23, the aluminum sludge packing layer 24 and the anaerobic reaction layer 25, then enters the second box body of the second-stage supply device 33 to accumulate, wherein a part of the rainwater directly enters the first box body of the first-stage supply device 32 after passing through the gravel layer 23, when the second box body is fully accumulated, the rainwater is discharged from the second water outlet 332, in order to improve the rainwater accumulation amount, the subsequent rainwater is directly irrigated for plants through the second water absorption and drainage rod 331, and the size of the second box body is required to be at least twice that of the first box body in the embodiment. When the first box body is full, the rainwater purified by the gravel layer 23 can only continuously permeate into the aluminum sludge packing layer 24 downwards, flows into the second box body after passing through the anaerobic reaction layer 25, and when the second box body is full, the rainwater can be discharged to the municipal gutter inlet through the second water outlet 332.
When the rainfall is too large, part of rainwater directly enters the cobble layer 21, and is directly discharged to the municipal gutter inlet from the first water outlet 211 after preliminary purification. The ecological tree pool shown in the embodiment adjusts the purification and diversion of rainfall in the ecological tree pool in different seasons through the first water outlet 211 and the second water outlet 332, so that accumulated water in the ecological tree pool is not caused, and the use experience of the ecological tree pool on municipal roads, parks and residential areas is remarkably improved.
The application test of the ecological tree pool shown in the attached figure is carried out to obtain Suspended Substances (SS), Chemical Oxygen Demand (COD), Total Phosphorus (TP) and ammonia Nitrogen (NH)3-N) is an evaluation index, and the test result shows that the ecological tree pool disclosed by the invention can be used for measuring suspended matters (SS), Chemical Oxygen Demand (COD), Total Phosphorus (TP) and ammonia Nitrogen (NH) in runoff rainwater3Average removal rates of-N) were 92.42%, 70.00%, 90.24%, and 92.89%, respectively, and the purification effect was significant.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be determined by the appended claims.
Claims (10)
1. A multifunctional ecological tree pool is characterized by comprising a planting area, a purification area and a pretreatment area, wherein the purification area and the pretreatment area are sequentially arranged around the outer side of the planting area;
the pretreatment area is respectively provided with a rainwater grate, a sewage intercepting hanging basket and a sludge settling area from top to bottom; the mud settling area is provided with a box chamber structure with a closed bottom and an open top, and one side wall of the box chamber structure is open; the sewage interception hanging basket is hung above the inner side of the box chamber structure, and the upper end surface of the sewage interception hanging basket is flush with the upper end surface of the box chamber structure of the sludge deposition area; the rainwater grate seals the top opening of the box chamber structure of the mud settling zone;
the purification area comprises a cobble layer, a water distribution layer, a gravel layer, an aluminum sludge packing layer and an anaerobic reaction layer which are sequentially paved from top to bottom; the cobblestone layer is flush with the rainwater grate, a first water outlet is formed in the bottom of the cobblestone layer, and the first water outlet is communicated with a municipal rainwater pipe; the water distribution layer is designed into a double-layer structure along the vertical direction, the side face of the double-layer structure close to the pretreatment area is communicated with the side wall opening of the box chamber structure, and the side face of the double-layer structure far away from the pretreatment area is closed; the upper layer of the double-layer structure is designed into a seamless structure and is used for bearing a cobble layer; the lower layer of the double-layer structure is designed into a hole structure densely distributed with water seepage holes and used for distributing water to a gravel layer below;
the planting area comprises a planting soil layer, a first-stage feeding device and a second-stage feeding device which are sequentially arranged from top to bottom; the outer periphery of the planting soil layer is sealed, and the top of the planting soil layer is not higher than the top of the cobblestone layer; the first-stage feeding device comprises a first box body for storing water, a plurality of first water absorption and drainage rods extending from the stored water in the first box body to the planting soil layer and a plurality of permeation and drainage pipes communicated with the first box body from the bottom of the gravel layer, and the first box body is closed; the second level supplies to support the device including the second box that is used for depositing water, from the inside a plurality of second drainage stick that absorbs water that deposits water of second box and extend to planting soil horizon inside, second box upper portion is provided with the second delivery port that communicates in municipal administration downspout to still be provided with the groove of permeating water that communicates in anaerobic reaction layer on the second box lateral wall.
2. The multifunctional ecological tree pool as claimed in claim 1, wherein a water permeable barrier is arranged between the aluminum sludge packing layer and the anaerobic reaction layer, and the anaerobic reaction layer is provided with a plurality of packing rods suspended at the bottom of the water permeable barrier; the stuffing rods comprise a plurality of stuffing boxes connected in series, the stuffing boxes are arranged on adjacent stuffing rods in a staggered manner, and bacteria and algae stuffing is filled and fixed in the stuffing boxes.
3. The multi-functional ecological tree pond of claim 1, characterized in that, the second box size is at least twice as big as first box.
4. The multi-functional ecological tree pool of claim 1, wherein the portion of the permeate drainage tube extending into the interior of the gravel layer and the portion of the tube extending into the interior of the gravel layer are provided as permeate tubes.
5. The multi-functional ecological tree pond of claim 1, characterized in that, the second stage of support device top is the same level with the top of anaerobic reaction layer, and the notch of the permeable groove on the second box lateral wall cladding has permeable geotechnological cloth.
6. The multifunctional ecological tree pool as claimed in claim 4, wherein the diameter of the water seepage holes on the surface of the water seepage pipe is 2-5 mm.
7. The multi-functional ecological tree pond of claim 2, characterized in that, the algae filler comprises algae that are denitrifying bacteria and/or Chlorella pyrenoidosa.
8. The multifunctional ecological tree pool as claimed in claim 1, wherein the particle size of the cobble layer filler is 5-8 cm.
9. The multi-functional ecological tree pool of claim 1, wherein the gravel layer filler has a particle size of 1-3 cm.
10. The multifunctional ecological tree pool as claimed in claim 1, wherein the filler of the aluminum sludge filler layer has a particle size of 6-8 mm.
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| CN202011242577.5A CN112544275B (en) | 2020-11-09 | 2020-11-09 | Multifunctional ecological tree pool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468947A (en) * | 2019-08-28 | 2019-11-19 | 星景生态环保科技（苏州）有限公司 | Ecology tree pond |
| CN117164167A (en) * | 2023-10-13 | 2023-12-05 | 江苏龙腾工程设计股份有限公司 | Fishery photovoltaic complementary ecological filtration dam system for aquaculture tail water |
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| CN112544275B (en) | 2022-04-29 |
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