CN110063166B - Water storage cellar greening system for sponge city roadside and using method - Google Patents
Water storage cellar greening system for sponge city roadside and using method Download PDFInfo
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- CN110063166B CN110063166B CN201910304814.7A CN201910304814A CN110063166B CN 110063166 B CN110063166 B CN 110063166B CN 201910304814 A CN201910304814 A CN 201910304814A CN 110063166 B CN110063166 B CN 110063166B
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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
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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
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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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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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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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Abstract
A water storage cellar greening system for sponge city roadside and a use method thereof, the greening system comprises a rectangular groove, the rectangular groove is positioned in a road bed, the rectangular groove is arranged along the roadside, and a substrate is filled in the rectangular groove; the Nuo dry water storage cellar, a capillary water absorption irrigation system, a water bearing pipe, a vertical pipe, branch pipes and a vent pipe are arranged along the rectangular groove, and the capillary water absorption irrigation system, the water bearing pipe, the vertical pipe, the branch pipes and the vent pipe are communicated with the water storage cellar; the top and the side of the water storage cellar are respectively provided with two interfaces, one of the interfaces at the top is connected with the vertical pipe, and the other interface is connected with the vent pipe; one of the interfaces of the side surface is connected with a branch pipe, the other interface is connected with a water bearing pipe, the upper end of the water bearing pipe is connected with a side leakage, and the side leakage is arranged on the kerbstones at the two sides of the green belt. Under the condition of not occupying the land area for landscaping, the invention stores, develops and utilizes the rainwater resource, relieves the contradiction between the water resource demand pressure and the greening land for the city, relieves the urban waterlogging pressure in rainy season, improves the urban ecological environment, is green and environment-friendly, builds the ecological sponge city and promotes the coordination of the urban ecological system.
Description
Technical Field
The invention relates to the technical field of sponge city and landscaping, energy conservation and environmental protection, in particular to a water storage cellar greening system for sponge city roadside and a maintenance method.
Background
Along with the process of urbanization is also quickened, the number of urban population is increased rapidly, the demand for water is increased, and particularly in northern areas, due to excessive use of underground water, a plurality of ground settlement problems occur occasionally, and the safety of people is seriously influenced. And various matched infrastructures in cities are perfected, and various hard paving areas are greatly increased. In rainy season, particularly in heavy rainfall lasting for several days, large-area ponding is easy to occur in urban areas with low terrain, so that waterlogging is caused, and the work and life of urban citizens are greatly influenced. Sponge city construction that has emerged in recent years is based on following objective natural law, through technologies such as water absorption, retaining, infiltration, water purification, scientific and reasonable development and utilization to the rainwater. The Beijing RenChuang science and technology group Limited company develops various water-permeable, air-permeable and water-impermeable series novel materials by taking sand in desert as a raw material, and has good application effect in the fields of desert control, energy development, sponge city, sewage treatment and the like. While great progress has been made in new technologies, a number of problems remain to be solved.
At present, most sponge urban constructions do not design rainwater overflowing from roads to be stored and utilized, and excessive rainwater is discharged into municipal pipelines through a water permeable technology and then is converged into rivers and lakes. The rainwater is also a resource, runs off in vain, does not scientifically utilize the rainwater resource, and is stored, so that on one hand, flowers, plants and trees in a green belt can be irrigated in sunny days or drought, and the consumption of water resources is reduced; on the other hand, collected rainwater can be treated through a water purification technology for the life of people. Therefore, a water storage, water purification and watering system and a maintenance method for storing rainwater, watering urban greening plants, fusing a water purification technology and providing life for people can be innovatively developed by combining road characteristics, local climate characteristics, urban development strategies and the like.
Disclosure of Invention
The invention aims to provide a water storage greening system for reasonably storing, developing and utilizing rainwater resources, relieving urban waterlogging in rainy seasons, improving urban ecological environment, relieving demand pressure on water resources and building sponge cities and a using method thereof.
The purpose of the invention is realized as follows: a water storage cellar greening system for sponge city roadside comprises a rectangular groove, wherein the rectangular groove is positioned in a road bed and is arranged along the roadside, and a matrix is filled in the rectangular groove; the Nuo dry water storage cellar, a capillary water absorption irrigation system, a water bearing pipe, a vertical pipe, branch pipes and a vent pipe are arranged along the rectangular groove, and the capillary water absorption irrigation system, the water bearing pipe, the vertical pipe, the branch pipes and the vent pipe are communicated with the water storage cellar; the top and the side of the water storage cellar are respectively provided with two interfaces, one of the interfaces at the top is connected with the vertical pipe, and the other interface is connected with the vent pipe; one of the interfaces of the side surface is connected with a branch pipe, the other interface is connected with a water bearing pipe, the upper end of the water bearing pipe is connected with a side leakage, and the side leakage is arranged on the kerbstones at the two sides of the green belt.
The capillary water-absorbing irrigation system comprises a horizontal pipe, a vertical pipe and water-absorbing strips, wherein the lower ends of the water-absorbing strips extend to the bottom of the water storage cellar, the upper ends of the water-absorbing strips penetrate out of holes in the horizontal pipe through the vertical pipe, and the horizontal pipe is embedded in a matrix.
Arbors are arranged at intervals along the long edge direction of the green belt, and paving bricks or short shrubs are built on a matrix between the two arbors.
The formula of the matrix comprises 55-65% of sandy loam by volume ratio: 25% -30% of a mixture of broken bricks and broken concrete: 10% -15% of solid waste organic matter; the crushed brick and crushed concrete mixture comprises the following components in percentage by volume: brick crushing: crushed concrete =80:20, particle size 0.1 mm-2.75 mm; the solid waste organic matter is kitchen waste or dead branches and fallen leaves after urban garden plants are trimmed, and is obtained after crushing, composting, deodorizing and drying treatment, and the particle size is controlled within 2 mm.
The bottom of the water storage cellar is saddle-shaped, the middle section is low, the two ends are high, and the water storage cellar is built by air-permeable and waterproof bricks.
The water-bearing pipe is funnel-shaped, and the side leakage is provided with a filter screen.
The top end of the vent pipe is flush with the upper surface of the paving brick or extends out of the surface of the matrix, and the lower end of the vent pipe penetrates through the top plate of the water storage cellar; the top end of the vent pipe is provided with a pipe cover which is circular and is provided with a plurality of through small holes.
The branch pipes are communicated with the water pipes and are arranged outside the water storage cellars.
The water absorption strip is made of high water absorption resin fiber in a linear shape, and the high water absorption resin fiber is selected from bamboo fiber, polyacrylate, polyvinyl alcohol or polyacrylamide; the diameter of the water absorbing strips in the water storage cellar, the vertical pipe and the horizontal pipe is larger than that of the water absorbing strips which penetrate through the holes on the horizontal pipe and are close to the plant root system.
The system for purifying the rainwater is characterized in that when the quality of the rainwater stored in the water storage cellar is deteriorated after the rainwater, a pipe cover at the top end of the vent pipe is opened, 1-5 g/L of activated carbon or 5-10 mg/L of alum serving as a flocculating agent is thrown into the water storage cellar from the pipe opening of the vent pipe, the stored water is fully stirred, and suspended matters in the water are separated and precipitated.
The water taking method of the system comprises the following steps: and opening a pipe cover at the top end of the vent pipe, extending a water pumping pipe into the water storage cellar from the vent pipe, connecting a water pumping pump to pump water, and irrigating plants in the green belt or for production and living.
The invention has the following beneficial effects:
the invention organically combines water storage, water purification, watering and novel materials, and has simple principle and strong practicability; scientifically and reasonably collecting rainwater resources, storing the rainwater resources in a water storage cellar of a green belt, and continuously delivering water to flowers, plants and trees in the green belt by water absorbing strips with thin diameters near plant roots at an extremely low speed; the water purification technology is integrated, the pressure on the demand of water resources in the dry season is relieved, and water and energy are saved; the green belt and the water storage cellar are built by adopting air-permeable and waterproof bricks, so that rainwater can be reduced from permeating into a roadbed, the service life of a road is prolonged, and the balance of air pressure inside and outside the water storage cellar is kept; on the premise of following the natural law, the development and utilization efficiency of rainwater resources is improved to the maximum extent, and the production and the life of people are facilitated.
Under the condition of not occupying the land area for landscaping, the invention stores, develops and utilizes the rainwater resource, relieves the contradiction between the water resource demand pressure and the greening land for the city, relieves the urban waterlogging pressure in rainy season, improves the urban ecological environment, is green and environment-friendly, builds the ecological sponge city and promotes the coordination of the urban ecological system.
Drawings
FIG. 1 is a schematic view of the overall structure of the green belt without paving;
FIG. 2 is a schematic view of the overall structure of the green belt with paving of the invention;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
FIG. 4 is a cross-sectional view B-B of FIG. 2;
FIG. 5 is a cross-sectional view C-C of FIG. 2;
FIG. 6 is a schematic view showing the connection between the functional pipes and the water storage tank.
In the figure: 1-cushion layer, 2-base layer, 3-surface layer, 4-pipe cover, 5-water storage cellar, 6-curb stone, 7-side leakage, 8-water pipe, 9-vent pipe, 10-water bearing pipe, 11-filter screen, 12-plant root system, 13-branch pipe, 14-substrate, 15-green belt, 16-vertical pipe, 17-horizontal pipe, 18-small hole, 19-water absorption strip, 20-hole, 21-paving brick, 22-planting frame, 23-arbor and 24-low shrub.
Detailed Description
As shown in figure 1, a water storage cellar greening system with greening plants for sponge city roadside comprises a rectangular groove, wherein the rectangular groove is positioned in a road bed 2, is arranged along the roadside and is filled with a substrate 14; the Nuo dry water storage cellar 5, a capillary water absorption irrigation system, a water bearing pipe 10, a vertical pipe 16, branch pipes 13 and a vent pipe 9 are arranged along the rectangular groove, and the capillary water absorption irrigation system is communicated with the water storage cellar 5; the top and the side of the water storage cellar 5 are respectively provided with two interfaces, one of the interfaces at the top is connected with a vertical pipe 16, and the other interface is connected with a vent pipe 9; one of the side interfaces is connected with a branch pipe 13, the other interface is connected with a water bearing pipe 10, the upper end of the water bearing pipe 10 is connected with a side leakage 7, and the side leakage 7 is arranged on the kerbstone 6 at two sides of the green belt 15;
the capillary water-absorbing irrigation system comprises a horizontal pipe 17, a vertical pipe 16 and water-absorbing strips 19, wherein the lower ends of the water-absorbing strips 19 extend to the bottom of the water storage cellar 5, the upper ends of the water-absorbing strips penetrate through holes 20 in the horizontal pipe 17 through the vertical pipe 16, and the horizontal pipe 17 is embedded in a matrix 14.
As shown in figure 2, the water storage cellar greening system of sponge city roadside with overall structure of pavement has the same other structure as the structure with greening plants, except that arbors 23 are arranged at intervals in the long side direction of a green belt 15, and paving bricks 21 or short shrubs 24 are built on a substrate 14 between the two arbors 23.
The paving brick 21 is an air-permeable and waterproof brick, and is a product of Beijing RenChu technology group Limited, and the size (length, width and height) is 240cm, 53 cm and 115 cm.
The thickness of the substrate 14 filled in the rectangular groove of the green belt 14 is 1-1.2m, and water storage cellars 5 are arranged in the substrate 14 along the long side direction of the green belt 15 every 3-5m and buried deep by 1-1.2 m.
The formula of the matrix of the invention is as follows (volume ratio): 55% -65% of sandy loam: 25% -30% of a mixture of broken bricks and broken concrete: 10% -15% of solid waste organic matter; broken bricks in the broken brick and broken concrete mixture: crushed concrete (volume ratio) 80% to 20%, particle size 0.1 mm-2.75 mm; the solid waste organic matter is kitchen waste or dead branches and fallen leaves after pruning of urban garden plants, and is obtained after crushing, composting, deodorization and drying treatment, the particle size is controlled within 2 mm, and the use of soil with larger collapsibility is forbidden.
The water-bearing pipe 10, the branch pipe 13, the water pipe 8 and the vent pipe 9 can be made of PE or PPR plastics, and the vertical pipe 16 and the horizontal pipe 17 can be made of corrosion-resistant PVC hoses.
Depending on the specific topography, the branch pipes 13 and the water pipes 8 can be communicated with a plurality of water storage cellars 5 in a flat region of the topography; in the area with large terrain height difference change, the branch pipes 13 and the water pipes 8 can be communicated with a few water storage cellars 5, so that the water storage cellars 5 can store water as much as possible.
The water absorption strips 19 in the capillary water absorption irrigation system are made of high water absorption resin fibers, and the high water absorption resin fibers are bamboo fibers, polyacrylate, polyvinyl alcohol or polyacrylamide; the horizontal pipe 17 is buried in the substrate 14 to a depth of 0.2-1m and is close to the plant root system 12.
The flocculant of the invention can be alum, and 5-10 mg of alum or 1-5g of active carbon is added into each liter of water when water is treated.
The filter screen 11 on the side leakage 7 can be made of stainless steel.
Example 1
The rectangular cross section (shape) size (width multiplied by height) of a certain roadside green belt is 3m multiplied by 1.5m, the thickness of a substrate 14 filled in a rectangular groove is 1m, water storage cellars 5 are arranged in the substrate 14 along the long side direction of a green belt 15 every 3m, the size (length multiplied by width multiplied by height) of the water storage cellars 5 (shape) is 1.5m multiplied by 1.0 m multiplied by 0.8m, and the buried depth is 1 m.
The rectangular groove profile of the green belt 15 and the water storage cellar 5 are built by adopting air-permeable and waterproof bricks, wherein the bottom of the water storage cellar 5 is saddle-shaped, the middle section is low, and the two ends are high.
The formula of the matrix 14 is 55 percent (volume ratio) of sandy loam: crushed brick and crushed concrete mixture 30%: 15% of solid waste organic matter; wherein the broken bricks in the mixture of broken bricks and broken concrete: crushed concrete (volume ratio) 80% to 20%, particle size 0.1 mm-2.75 mm; wherein the solid waste organic matter is kitchen waste or dead branches and fallen leaves after pruning urban garden plants, and is obtained after crushing, composting, deodorizing and drying treatment, and the particle size is controlled within 2 mm.
The top and the side of the water storage cellar 5 are respectively provided with two interfaces, one of the interfaces at the top is connected with a vertical pipe 16, the pipe diameter is 1.5cm, the other interface is connected with a vent pipe 9, and the pipe diameter is 8 cm; one of the interfaces of the side surface is connected with a branch pipe 13, the pipe diameter is 3cm, the other interface is connected with a water bearing pipe 10, the size (length multiplied by height) of the upper end interface of the water bearing pipe 10 is 15cm multiplied by 10cm, and the pipe diameter of the lower end interface is 6 cm.
The upper end of the vertical pipe 16 is connected with a horizontal pipe 17, the pipe diameter is 1cm, the diameter of a hole on the horizontal pipe 17 is 0.5cm, the lower end of a water absorption strip 19 extends to the bottom of the water storage cellar 5, the upper end of the water absorption strip passes through the vertical pipe 16 and penetrates out of the hole on the horizontal pipe 17, and the burial depth of the horizontal pipe 17 in the substrate 14 is 0.2 m.
The top end of the vent pipe 9 is provided with a pipe cover 4, the pipe cover 4 is provided with a plurality of through small holes 18, the aperture of each small hole 18 is 1mm, and the top end of the vent pipe 9 is flush with the upper surface of the paving brick 21 and marked.
The vertical distance from the pipe core of the branch pipe 13 to the bottom of the water storage cellar 5 is 15 cm.
The upper end of the water bearing pipe 10 is connected with the side leakage 7 on the kerbstone 6 at both sides of the green belt 15, the size (length, width and height) of the kerbstone 6 is 80cm, 15cm, 30cm, the side leakage 7 is penetrated, the cross section size (length, height) is 15cm, 10cm, and the side leakage 7 is provided with a filter screen 11.
The size (length. times. height) of the filter screen is 15 cm. times.10 cm, and the aperture is 1 mm.
After the arbor 23 is planted in the matrix 14 of the green belt 15, the matrix 14 is flattened and compacted, paving bricks 21 are built on the matrix 14 between two adjacent arbors 23, a planting frame 22 is built on the matrix under the trunk of the arbor 23, and the size (length, width and height) of the planting frame 22 is 80cm, 80cm and 10 cm.
The use method of the water storage cellar greening system for the sponge city roadside comprises the following steps:
1) the water purification method comprises the following steps:
water purification: when the quality of rainwater stored in the water storage cellar 5 is deteriorated after rain, the pipe cover 4 at the top end of the vent pipe 9 is opened, 5 mg of flocculating agent alum is thrown into the water storage cellar 5 from the pipe opening of the vent pipe 9 in an adding amount of 5 mg per liter of water, the stored water is fully stirred, and suspended matters in the water are separated and precipitated.
2) The water taking method comprises the following steps:
water taking: and opening a pipe cover 4 at the top end of the vent pipe 9, extending a water pumping pipe into the water storage cellar from the vent pipe 9, connecting a vertical water pumping pump, electrifying, pumping water, and irrigating plants in the green belt 15 or for production and living.
3) The dredging (every three months) method is as follows:
(1) water pumping: the same as the water taking method, the water pumping is stopped after the clear water in the water storage cellar 5 is pumped to the water level of the branch pipe 13;
(2) stirring: connecting the upper end of a sludge discharge pipe with a vertical slurry pump, electrifying, extending the lower end of the sludge discharge pipe into a vent pipe 9 to the bottom of the saddle-shaped water storage cellar 5, pumping a small amount of water, returning the water for 3-5 times, and fully stirring the sediment and impurities deposited at the bottom of the water storage cellar 5;
(3) discharging sludge: and (3) discharging and dredging the silt and impurities stirred in the water storage cellar 5 by a vertical mud pump from the vent pipe 9.
Example 2
The rectangular cross section (shape) size (width multiplied by height) of a certain roadside green belt is 3m multiplied by 1.5m, the thickness of a substrate 14 filled in a rectangular groove is 1.2m, water storage cellars 5 are arranged every 5m in the substrate 14 along the long side direction of a green belt 15, the size (length multiplied by width multiplied by height) of the water storage cellars 5 is 1.5m multiplied by 1.0 m multiplied by 0.8m, and the buried depth is 1.2 m.
The rectangular groove profile of the green belt 15 and the water storage cellar 5 are built by adopting air-permeable and waterproof bricks, wherein the bottom of the water storage cellar 5 is saddle-shaped, the middle section is low, and the two ends are high.
The formula of the matrix 14 is 65 percent (volume ratio) of sandy loam: crushed brick and crushed concrete mixture 25%: 10% of solid waste organic matter; wherein the broken bricks in the mixture of broken bricks and broken concrete: crushed concrete (volume ratio) 80% to 20%, particle size 0.1 mm-2.75 mm; wherein the solid waste organic matter is kitchen waste or dead branches and fallen leaves after pruning urban garden plants, and is obtained after crushing, composting, deodorizing and drying treatment, and the particle size is controlled within 2 mm.
The top and the side of the water storage cellar 5 are respectively provided with two interfaces, one of the interfaces at the top is connected with a vertical pipe 16, the pipe diameter is 1.5cm, the other interface is connected with a vent pipe 9, and the pipe diameter is 8 cm; one of the ports on the side is connected with a branch pipe 13, the pipe diameter is 3cm, the other port is connected with a water bearing pipe 10, the size (length and height) of the upper port of the water bearing pipe 10 is 15cm multiplied by 10cm, and the pipe diameter of the lower port is 6 cm.
The upper end of the vertical pipe 16 is connected with a horizontal pipe 17, the pipe diameter is 1cm, the diameter of a hole on the horizontal pipe 17 is 0.5cm, the lower end of a water absorption strip 19 extends to the bottom of the water storage cellar 5, the upper end of the water absorption strip passes through the vertical pipe 16 and penetrates out of the hole on the horizontal pipe 17, and the buried depth of the horizontal pipe 17 in the substrate 14 is 1 m.
The top end of the vent pipe 9 is provided with a pipe cover 4, the pipe cover 4 is provided with a plurality of through small holes 18, the aperture of each small hole 18 is 1mm, and the top end of the vent pipe 9 extends out of the surface 14 cm of the substrate of the green belt 15 and is marked.
The vertical distance from the pipe core of the branch pipe 13 to the bottom of the water storage cellar 5 is 20 cm.
The upper end of the water bearing pipe 10 is connected with the side leakage 7 on the kerbstone 6 at both sides of the green belt 15, the size (length, width and height) of the kerbstone 6 is 80cm, 15cm, 30cm, the side leakage 7 is penetrated, the cross section size (length, height) is 15cm, 10cm, and the side leakage 7 is provided with a filter screen 11.
The size (length. times. height) of the filter screen is 15 cm. times.10 cm, and the aperture is 1 mm.
After trees 23 and short shrubs 24 are planted in the matrix 14 of the green belt 15, the matrix 14 is flattened and compacted.
The use method of the water storage cellar greening system for the sponge city roadside comprises the following steps:
1) the water purification method comprises the following steps:
water purification: when rainwater quality stored in the water storage cellar 5 is deteriorated after rain, the pipe cover 4 at the top end of the vent pipe 9 is opened, the activated carbon is thrown into the water storage cellar 5 from the pipe opening of the vent pipe 9, the stored water is fully stirred, suspended matters in the water are separated and precipitated, and the adding amount of the activated carbon is 5g per liter of water.
2) The water taking method comprises the following steps:
water taking: and opening a pipe cover 4 at the top end of the vent pipe 9, extending a water pumping pipe into the water storage cellar from the vent pipe 9, connecting a vertical water pumping pump, electrifying, pumping water, and irrigating plants in the green belt 15 or for production and living.
3) The dredging (every three months) method is as follows:
(1) water pumping: the same as the water taking method, the water pumping is stopped after the clear water in the water storage cellar 5 is pumped to the water level of the branch pipe 13;
(2) stirring: connecting the upper end of a sludge discharge pipe with a vertical slurry pump, electrifying, extending the lower end of the sludge discharge pipe into a vent pipe 9 to the bottom of the saddle-shaped water storage cellar 5, pumping a small amount of water, returning the water for 3-5 times, and fully stirring the sediment and impurities deposited at the bottom of the water storage cellar 5;
(3) discharging sludge: and (3) discharging and dredging the silt and impurities stirred in the water storage cellar 5 by a vertical mud pump from the vent pipe 9.
Claims (5)
1. The utility model provides a water storage cellar for storing things afforestation system for sponge city roadside which characterized in that: the road foundation comprises a rectangular groove, wherein the rectangular groove is positioned in a road foundation (2), is arranged along a roadside and is filled with a matrix (14); a Nuo dry water storage cellar (5), a capillary water absorption irrigation system, a water bearing pipe (10), a vertical pipe (16), branch pipes (13) and a vent pipe (9) which are communicated with the water storage cellar (5) are arranged along the rectangular groove; the top and the side of the water storage cellar (5) are respectively provided with two interfaces, one of the interfaces at the top is connected with a vertical pipe (16), and the other interface is connected with a vent pipe (9); one of the side surfaces is connected with a branch pipe (13), the other connector is connected with a water bearing pipe (10), the upper end of the water bearing pipe (10) is connected with a side leakage (7), and the side leakage (7) is arranged on the kerbstone (6) at two sides of the green belt (15);
the capillary water-absorbing irrigation system comprises a horizontal pipe (17), a vertical pipe (16) and water-absorbing strips (19), wherein the lower ends of the water-absorbing strips (19) extend to the bottom of the water storage cellar (5), the upper ends of the water-absorbing strips penetrate through holes (20) in the horizontal pipe (17) through the vertical pipe (16), and the horizontal pipe (17) is embedded in a substrate (14);
the top end of the vent pipe (9) is flush with the upper surface of the paving brick (21) or extends out of the surface of the substrate (14), and the lower end of the vent pipe penetrates through the top plate of the water storage cellar (5); the top end of the vent pipe (9) is provided with a pipe cover (4), the pipe cover (4) is circular and is provided with a plurality of through small holes (18);
the branch pipes (13) are communicated with the water pipes (8) to form a plurality of adjacent water storage cellars (5), and the branch pipes (13) and the water pipes (8) are arranged on the outer sides of the water storage cellars (5);
the water absorption strip (19) is made of high water absorption resin fiber in a linear shape, and the high water absorption resin fiber is made of bamboo fiber, polyacrylate, polyvinyl alcohol or polyacrylamide; the diameters of the water absorbing strips (19) in the water storage cellar (5), the vertical pipe (16) and the horizontal pipe (17) are larger than the diameter of the water absorbing strips (19) which penetrate through the hole (20) on the horizontal pipe (17) and are close to the plant root system (12);
the method for purifying the rainwater by using the water storage cellar greening system comprises the following steps: when the quality of rainwater stored in the water storage cellar (5) is deteriorated after rain, a pipe cover (4) at the top end of the vent pipe (9) is opened, a flocculating agent alum or active carbon is thrown into the water storage cellar (5) from the pipe opening of the vent pipe (9), the stored water is fully stirred, and suspended matters in the water are separated and precipitated; wherein the adding amount of alum is 5-10 mg/L per liter of water; the adding amount of the active carbon is 1-5g per liter of water;
the water taking method of the water storage cellar greening system comprises the following steps: the pipe cover (4) at the top end of the vent pipe (9) is opened, the water pumping pipe extends into the water storage cellar (5) from the vent pipe (9), and the water pumping pipe is connected with a water pumping pump to pump water, so as to water plants in the green belt (15) or for production and living.
2. The water storage cellar greening system for sponge city roadside of claim 1, characterized in that: arbor (23) is arranged at intervals along the long side direction of the green belt (15), and paving bricks (21) or short shrubs (24) are laid on the matrix (14) between the two arbor (23).
3. The water storage cellar greening system for sponge city roadside as claimed in claim 1, wherein: the formula of the matrix (14) comprises the following components in percentage by volume: 55% -65% of sandy loam: 25% -30% of a mixture of broken bricks and broken concrete: 10% -15% of solid waste organic matter; broken bricks in the broken brick and broken concrete mixture: crushed concrete (volume ratio) 80% to 20%, particle size 0.1 mm-2.75 mm; the solid waste organic matter is kitchen waste or dead branches and fallen leaves after pruning of urban garden plants, and is obtained after crushing, composting, deodorization and drying.
4. The water storage cellar greening system for sponge city roadside as claimed in claim 1, wherein: the bottom of the water storage cellar (5) is saddle-shaped, the middle section is low, the two ends are high, and the water storage cellar (5) is built by air-permeable and waterproof bricks.
5. The water storage cellar greening system for sponge city roadside as claimed in claim 1, wherein: the water bearing pipe (10) is funnel-shaped, and a filter screen (11) is arranged on the side leakage (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910304814.7A CN110063166B (en) | 2019-04-16 | 2019-04-16 | Water storage cellar greening system for sponge city roadside and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910304814.7A CN110063166B (en) | 2019-04-16 | 2019-04-16 | Water storage cellar greening system for sponge city roadside and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110063166A CN110063166A (en) | 2019-07-30 |
| CN110063166B true CN110063166B (en) | 2021-06-08 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103374972A (en) * | 2012-04-26 | 2013-10-30 | 交通运输部科学研究院 | System and method integrating road surface runoff collection, purification, storage and utilization for plants |
| CN105104062A (en) * | 2015-08-19 | 2015-12-02 | 陈怀荗 | Construction method of multi-functional city sponge green space |
| KR20170128921A (en) * | 2016-05-16 | 2017-11-24 | 한국과학기술연구원 | Urban rain garden system |
| CN207083577U (en) * | 2017-05-25 | 2018-03-13 | 广州园中园绿化景观有限公司 | A kind of sponge urban green belts |
| CN108571058A (en) * | 2018-05-24 | 2018-09-25 | 温州实诚建设有限公司 | A kind of novel town road rainwater diversion device |
| CN109098064A (en) * | 2018-09-17 | 2018-12-28 | 汤文健 | The sponge urban road structure for avoiding rainwater on road surface from depositing |
| CN208362844U (en) * | 2018-05-24 | 2019-01-11 | 广东诚创建设有限公司 | Town road structure |
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2019
- 2019-04-16 CN CN201910304814.7A patent/CN110063166B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103374972A (en) * | 2012-04-26 | 2013-10-30 | 交通运输部科学研究院 | System and method integrating road surface runoff collection, purification, storage and utilization for plants |
| CN105104062A (en) * | 2015-08-19 | 2015-12-02 | 陈怀荗 | Construction method of multi-functional city sponge green space |
| KR20170128921A (en) * | 2016-05-16 | 2017-11-24 | 한국과학기술연구원 | Urban rain garden system |
| CN207083577U (en) * | 2017-05-25 | 2018-03-13 | 广州园中园绿化景观有限公司 | A kind of sponge urban green belts |
| CN108571058A (en) * | 2018-05-24 | 2018-09-25 | 温州实诚建设有限公司 | A kind of novel town road rainwater diversion device |
| CN208362844U (en) * | 2018-05-24 | 2019-01-11 | 广东诚创建设有限公司 | Town road structure |
| CN109098064A (en) * | 2018-09-17 | 2018-12-28 | 汤文健 | The sponge urban road structure for avoiding rainwater on road surface from depositing |
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| CN110063166A (en) | 2019-07-30 |
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