CN212278994U - Rainwater flower box with rainwater purification function - Google Patents
Rainwater flower box with rainwater purification function Download PDFInfo
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- CN212278994U CN212278994U CN201821216734.3U CN201821216734U CN212278994U CN 212278994 U CN212278994 U CN 212278994U CN 201821216734 U CN201821216734 U CN 201821216734U CN 212278994 U CN212278994 U CN 212278994U
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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
A rainwater flower box with a rainwater purification function is arranged at the bottom of a rainwater downpipe of a building and receives rainwater collected on the surface layer of the building; functional medium filler is arranged in the flower box in a layered mode and is sequentially arranged from top to bottom: filter layer, transition layer and drainage blanket, certain detention space is left for detention layer above the filter layer, and transition layer and drainage blanket are as submerging the layer, and drainage blanket passes through the perforated pipe and is connected to rainwater pipe network or water storage device. The rainwater purification treatment flower box system can collect rainwater runoff on the surface of a building, rainwater enters the flower box system after being buffered by the settling tank, sequentially passes through the filter layer, the transition layer and the drainage layer in the infiltration process, and pollutants such as suspended particles, nitrogen, phosphorus, organic matters, heavy metals, pathogenic bacteria and the like are removed by a physical, chemical and biochemical principle method (particularly, the effects of denitrification and dephosphorization are good); the purified rainwater can be connected to a water storage device for collection and reuse or is discharged to a rainwater pipe network through the tail end connection.
Description
Technical Field
The utility model belongs to the technical field of the water environment is administered and specifically relates to a not only have flowers and plants view and beautify function to can also carry out rainwater purification treatment's flower case, specifically speaking are rainwater flower case with rainwater purification performance.
Background
The flower box can be generally seen from both sides of parks and roads, is generally made of solid, beautiful and elegant materials in order to meet landscape requirements, and becomes an indispensable landscape facility in cities.
At present, flower boxes in cities only have the function of beautifying the landscape, and cannot treat rainwater through cultivation and growth of a plant system, so that the purposes of purifying water, storing water and recycling are achieved. The functional plant system and the filter medium are arranged in the rainwater flower box, so that the rainwater flower box can be used for modifying the ground connecting pipe of a rainwater downpipe on the surface of a building, the effect of rainwater purification treatment can be achieved while the appearance is attractive through the filtration and purification of the system, and a clean water source is output to a terminal; the device can also be connected with a water storage tank or a landscape pool or a sprinkling irrigation structure to provide a water recycling function. The rainwater flower box can be used for carrying out personalized design on the shape and the outer wall according to the requirements of peripheral landscapes, and the functions of cultural display and landscape beautification are achieved. For the project with large catchment amount, the connection arrangement of a plurality of rainwater flower boxes can be considered to meet the rainwater purification requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rainwater flower box with rainwater purification function aiming at the problem of the rainwater purification requirement on the surface of a building; the rainwater downpipe is reformed and then overflows to a rainwater flower box system for filtering and purifying after being buffered by a settling tank; by filling the functional medium, the pollutant removal effect is enhanced while the infiltration rate of rainwater is ensured; the rainwater flower box can play a good pollutant removing capacity for a long time by the continuous function of the functional plants, and the purpose of purifying rainwater is achieved.
The technical scheme of the utility model is that:
a rainwater flower box with a rainwater purification function is arranged at the bottom of a building and is used for receiving and treating rainwater collected on the surface of the building; the flower box is internally distributed with medium fillers in a layered manner, and the medium fillers are sequentially arranged from top to bottom: the drainage device comprises a detention layer, a filter layer, a transition layer and a drainage layer, wherein the transition layer and the drainage layer are used as submerging layers, and the drainage layer is connected to a water storage tank or a rainwater pipe network through a water outlet; the material outside the flower rain box is mainly wood, PP, PVC, cement and other waterproof structures, and can realize standardized production and component splicing.
Furthermore, an observation and inspection pipe is arranged in the flower box and used for observing the water level in the system in real time.
Furthermore, the side wall of the flower box is provided with a waterproof layer, and the material, the shape and the pattern design of the outer wall of the flower box can be flexibly designed; the number of flower boxes can also be increased according to the amount of water to be treated.
Furthermore, an overflow pipe is arranged in the system and connected with a rainwater pipe network, so that the system can be prevented from entering excessive rainwater to cause surface overflow to pollute the surrounding environment when instantaneous rainstorm occurs.
Furthermore, a settling tank is arranged before the rainwater downpipe enters the flower box plant system, a box cover is arranged on the upper surface of the settling tank, an opening is formed in the box cover and is connected with the downpipe, and a water inlet is formed in the side wall, adjacent to the flower box, of the settling tank.
Furthermore, each layer of the filler is filled with medium filler, and the particle sizes of the media filled in the transition layer, the filter layer and the drainage layer are sequentially increased.
Further, the fillers of the filter layer, the transition layer and the drainage layer all meet the following conditions: pH: 5.5 to 7.5; total nitrogen content <1000 mg/kg; phosphate content <80 mg/kg; the organic content is less than 5%.
Furthermore, the height of the retention layer (3) is 150-300 mm, the height of the filter layer (4) is 400-600 mm, the height of the transition layer (5) is 200-300 mm, and the height of the drainage layer (6) is 100-200 mm.
Further, fertilizer for plant growth is added to the filter layer from the upper surface to the 0-100 mm depth below the filter layer; every 100m2Surface of0-82 kg of fertilizer for plant growth is added into the accumulated filler; the fertilizer for plant growth contains the following components: 61% of animal organic manure, 2.4% of calcium superphosphate, 3.7% of magnesium sulfate, 2.4% of potassium sulfate, 1.2% of trace elements, 4.9% of nitrogen, phosphorus and potassium fertilizers and 24.4% of quicklime.
Furthermore, adsorption particles are added in the middle layer of the filter layer filler, and are preferably a mixture of activated carbon and zero-valent iron or a mixture of zeolite and zero-valent iron; the mass ratio of the two is 5:1, and the mass of the mixture is 3-5% of the mass of the filter layer filler.
Further, a slow-release carbon source is added into the transition layer filler, preferably a plant biomass natural carbon source, preferably corncobs, rice husks, wood chips or straws, or a solid carbon source produced by processing the corncobs, the rice husks, the wood chips or the straws; the mass of the added slow-release carbon source accounts for 1-3% of that of the filler of the transition layer.
Further, planting functional plants and landscape plants in the flower box, and controlling the plant density at 1m28-15 plants in the plant.
The utility model has the advantages that:
the rainwater purification treatment flower box system can collect rainwater runoff collected on the surface of a building, and rainwater enters the rainwater flower box system after being buffered by the settling tank; in the infiltration process, pollutants such as suspended particles, nitrogen, phosphorus, organic matters, heavy metals, pathogenic bacteria and the like are removed through a physical, chemical and biochemical principle method after sequentially passing through a filter layer, a transition layer and a drainage layer (particularly, the nitrogen and phosphorus removal effect is good); the purified rainwater can be connected to a water storage tank for collection and reuse or is discharged to a rainwater pipe network through the tail end connection.
The utility model discloses a flower case for rainwater sets up waterproof outer wall, guarantees that its bottom contains the flooding layer of take the altitude, can provide anaerobic environment, improves and nitrifies and denitrification efficiency, strengthens entire system to the throughput of rainwater.
The utility model discloses a each layer packs jointly to use to guarantee that input runoff can obtain filtration treatment in the effective time, and long-time operation is unlikely to the jam. In addition, activated carbon, zero-valent iron and a slow-release carbon source are mixed in the filler, so that pollutants in rainwater can be effectively treated, and the filler has obvious effects of removing solid suspended matters, nitrogen and phosphorus.
The front end of the rainwater flower box, namely the settling tank, is connected with the downpipe, and rainwater overflows to the flower box system through an overflow port on the side wall after primary settling is carried out on the rainwater through the settling tank; the filler in the flower box has the functions of detention, filtration and purification, and can remove pollutants step by step; the rainwater flower box can replace a traditional flow discarding device (initial rainwater is not purified and directly enters a sewage pipe network) commonly used in the market, outputs a purified water source, can be connected with a water storage tank for recycling according to actual requirements, or is connected with a rainwater pipe network to enter a natural water body and the like. The outer wall of the flower box can be individually designed according to requirements, and the cultural display is improved; in the commercial culture area, the sprinkler irrigation system can be connected for water supplement, and the landscape pool can also be connected for building water landscape and other functions.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.
Fig. 1 shows a schematic structural diagram of the present invention.
Wherein: 1. a building; 2. an outer wall surface; 3. a retention layer; 4. a filter layer; 5. a transition layer; 6. a drainage layer; 7. observing the inspection tube; 8. a submerged layer; 9. a settling tank; 10. a water inlet; 11. and a box cover.
Detailed Description
The preferred embodiments of the present invention will be described below, and the present invention may be implemented in various forms without being limited to the embodiments set forth herein.
The utility model provides a rainwater flower case with rainwater purification performance, this flower case sets up in the bottom of building 1, and the rainwater that the building surface colleted is accepted to the outer wall 2 of next-door neighbour building 1, and the flower incasement layering arranges the medium and packs, sets gradually under to from last: a filter layer 4, a transition layer 5 and a drainage layer 6, wherein a certain space is reserved above the filter layer 4 and is used as a detention layer 3; the transition layer 5 and the drainage layer 6 are used as a submerged layer 8, and purified rainwater is connected to a rainwater pipe network or a water storage structure from a porous pipe in the drainage layer 6; the material outside the rainwater flower box mainly is wood, PP, PVC, reinforced concrete and other waterproof structures, and can realize standardized production and component splicing.
Furthermore, an observation and inspection pipe 7 is arranged in the flower box and is used for inspecting the water level; the side wall of the flower box is provided with a waterproof layer.
Furthermore, a settling tank 9 is arranged between the bottom of a downpipe of the building 1 and the flower tank, a tank cover 11 is arranged on the upper surface of the settling tank 9, an opening is formed in the tank cover 11, the downpipe is connected with the outer wall surface 2 of the building, and a water inlet 10 communicated with the flower tank is formed in the side wall, adjacent to the flower tank, of the settling tank 9. After primary precipitation is carried out on the falling water of the building outer wall through the precipitation tank, the falling water overflows to the flower tank through the water inlet in the side wall, and the filler in the flower tank has the functions of detention, filtration and purification, so that pollutants are removed; the rainwater flower box can replace the traditional flow discarding device (initial rainwater is not purified and directly enters a sewage pipe network) commonly used in the market, outputs purified water, can be connected with a water storage tank according to actual requirements for recycling, or is connected with a rainwater pipe network to enter a natural water body and the like. The outer wall of the rainwater flower box can be subjected to personalized appearance design, so that the culture exhibition performance is improved; even in a commercial culture area, the water landscape can be connected with a landscape pool to construct a water landscape and the like.
Furthermore, each layer of the filler is filled with medium raw materials, and the particle sizes of the media filled in the transition layer, the filter layer and the drainage layer are sequentially increased. Wherein, the fillers of the filter layer 4, the transition layer 5 and the drainage layer 6 all satisfy the following conditions: pH: 5.5 to 7.5; total nitrogen content <1000 mg/kg; phosphate content <80 mg/kg; organic matter content < 5%;
the height of the retention layer 3 is 150 mm-300 mm, the height of the filter layer 4 is 400 mm-600 mm, the height of the transition layer 5 is 200 mm-300 mm, and the height of the drainage layer 6 is 100 mm-200 mm; wherein the particle size distribution of the filter layer 4 is exemplified in table 1.
Wherein, a fertilizer for plant growth is added to the filtering layer 4 from the upper surface to the 0-100 mm depth below the filtering layer; every 100m20-82 kg of fertilizer for plant growth is added into the filler on the surface area; the fertilizer for plant growth contains the following components: 61% of animal organic manure, 2.4% of calcium superphosphate, 3.7% of magnesium sulfate, 2.4% of potassium sulfate, 1.2% of trace elements, 4.9% of nitrogen, phosphorus and potassium fertilizers and 24.4% of quicklime.
The middle layer of the filter layer 4 is filled with adsorption particles, preferably a mixture of activated carbon and zero-valent iron or a mixture of zeolite and zero-valent iron; the mass ratio of the two is 5:1, and the mass of the mixture is 3-5% of the mass of the filler of the filter layer 4.
Adding a slow-release carbon source into the filler of the transition layer 5, preferably selecting a plant biomass natural carbon source, and preferably selecting corncobs, rice husks, wood chips or straws as the plant biomass natural carbon source, or selecting a solid carbon source produced by processing the corncobs, the rice husks, the wood chips or the straws; the mass of the added slow-release carbon source accounts for 1-3% of the filler of the transition layer 5.
To sum up, the utility model discloses a regional each layer of packing jointly uses to guarantee that input runoff can obtain filtration treatment in the effective time, and long-time operation is unlikely to block up. In addition, activated carbon, zero-valent iron and a slow-release carbon source are mixed in the filler, so that pollutants in rainwater can be effectively treated, and the filler has obvious effects of removing solid waste suspended matters, nitrogen and phosphorus.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (5)
1. The utility model provides a rainwater flower case with rainwater purification performance, its characterized in that, this flower incasement layering arranges the medium filler, sets gradually from last to down: the rainwater drainage system comprises a filter layer (4), a transition layer (5) and a drainage layer (6), wherein the transition layer (5) and the drainage layer (6) are used as a submerged layer (8), and the drainage layer (6) is connected to a city rainwater confluence part or a water storage facility through a water outlet for recycling; an observation and inspection pipe (7) is arranged in the flower box and used for observing the height of the water level in the flower box.
2. The rainwater flower box with rainwater purification function according to claim 1, wherein functional plants and landscape plants are planted in the flower box, and the plant density is controlled to be 1m28-15 plants in the plant.
3. The rainwater flower box with the rainwater purification function according to claim 1, wherein a waterproof layer is arranged on the side wall of the flower box; the number of flower boxes can be increased according to the amount of water to be treated.
4. A rainwater flower box with a rainwater purification function according to claim 1, characterized in that a settling tank (9) is arranged between the rainwater flower box and the flower box before the inflow water reaches the flower box, a box cover (11) is arranged on the upper surface of the settling tank (9), an opening is arranged on the box cover (11) for the inflow pipe to pass through to guide the rainwater into the settling tank, and a water inlet (10) communicated with the flower box is arranged on the side wall of the settling tank (9) adjacent to the flower box.
5. A rainwater flower box with rainwater purification function according to claim 1, characterized in that the height of the detention layer (3) is 150 mm-300 mm, the height of the filtering layer (4) is 400-600 mm, the height of the transition layer (5) is 200-300 mm, and the height of the drainage layer (6) is 100-200 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821216734.3U CN212278994U (en) | 2018-07-30 | 2018-07-30 | Rainwater flower box with rainwater purification function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821216734.3U CN212278994U (en) | 2018-07-30 | 2018-07-30 | Rainwater flower box with rainwater purification function |
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| CN212278994U true CN212278994U (en) | 2021-01-05 |
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| CN201821216734.3U Active CN212278994U (en) | 2018-07-30 | 2018-07-30 | Rainwater flower box with rainwater purification function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108811928A (en) * | 2018-07-30 | 2018-11-16 | 大江环境股份有限公司 | A kind of rainwater flower case with rainwater purification function |
| CN113187023A (en) * | 2021-04-29 | 2021-07-30 | 江苏海绵城市技术研究院有限公司 | Ecological green wall purification treatment system in sponge city |
| CN113498691A (en) * | 2021-05-28 | 2021-10-15 | 江苏亚井雨水利用科技有限公司 | Assembled rainwater flower box with initial rainwater purification function and water purification method |
-
2018
- 2018-07-30 CN CN201821216734.3U patent/CN212278994U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108811928A (en) * | 2018-07-30 | 2018-11-16 | 大江环境股份有限公司 | A kind of rainwater flower case with rainwater purification function |
| CN113187023A (en) * | 2021-04-29 | 2021-07-30 | 江苏海绵城市技术研究院有限公司 | Ecological green wall purification treatment system in sponge city |
| CN113498691A (en) * | 2021-05-28 | 2021-10-15 | 江苏亚井雨水利用科技有限公司 | Assembled rainwater flower box with initial rainwater purification function and water purification method |
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