CN106988404B - Sponge is rainwater regulation system for city construction - Google Patents
Sponge is rainwater regulation system for city construction Download PDFInfo
- Publication number
- CN106988404B CN106988404B CN201710160193.0A CN201710160193A CN106988404B CN 106988404 B CN106988404 B CN 106988404B CN 201710160193 A CN201710160193 A CN 201710160193A CN 106988404 B CN106988404 B CN 106988404B
- Authority
- CN
- China
- Prior art keywords
- rainwater
- storage tank
- layer
- water
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010276 construction Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 137
- 239000002689 soil Substances 0.000 claims abstract description 49
- 238000000746 purification Methods 0.000 claims abstract description 40
- 239000002893 slag Substances 0.000 claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 14
- 239000000440 bentonite Substances 0.000 claims abstract description 14
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 12
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 238000012423 maintenance Methods 0.000 claims abstract 2
- 238000004064 recycling Methods 0.000 claims description 27
- 239000002245 particle Substances 0.000 claims description 19
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
- E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system
-
- 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
- E03F5/105—Accessories, e.g. flow regulators or cleaning devices
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention provides a rainwater regulation and storage system for sponge city construction, which comprises an initial rainwater regulation and storage tank part, an ecological soil purification system part and a rainwater utilization regulation and storage tank part; the ecological soil purification system is arranged between the initial rainwater storage tank and the rainwater utilization storage tank; the initial rainwater storage tank part comprises an initial rainwater storage tank, a water inlet pipe, a secondary slag blocking layer, a water retaining wall, a bottom water passing hole, a rainwater lifting pump, a first liquid level switch, a cleaning manhole, a first equipment manhole and a first emptying pipe; the ecological soil purification system part sequentially comprises a planting soil layer, an ecological filter layer, a soil purification layer, a thick gravel filter layer, a clay-bentonite layer and a HDPE (high-density polyethylene) anti-seepage layer from top to bottom; the rainwater utilization regulation and storage tank part comprises a rainwater utilization regulation and storage tank, a rainwater reuse water pump, a second liquid level switch, a second emptying pipe, a rainwater reuse pipe, a second equipment maintenance hole, a water meter, an overflow pipe, a second check valve and a second valve. The invention has small floor area and strong water storage capacity.
Description
Technical Field
The invention discloses a rainwater regulation and storage system for sponge city construction, and belongs to the field of water treatment application.
Background
Rainwater regulation and storage and retrieval and utilization in sponge city construction belong to water treatment technical field, and rainwater regulation and storage and utilization are important links in the sponge city construction process, also are that urban rainwater governance guideline is by "arrange hold combine to" let out for "to" arrange hold combine, with the important embodiment of holding as the main "transformation. Rainwater can be directly utilized to collect rainwater runoff, and the rainwater is properly treated according to the water quality requirement of a user and then is used by the user; indirectly utilizing rainwater can adopt various measures to strengthen rainwater infiltration and supplement groundwater.
Open source throttle is the effective way of alleviating the water resource shortage, and the rainwater is an important water resource, behind the rainwater retrieval and utilization, not only can reduce the construction investment of municipal administration rainwater pipeline, slows down the pressure of municipal administration rainwater pipeline, also plays certain alleviating effect to the emergence of city flood calamity moreover. The rainwater can completely meet the demand of a certain level of water using objects after being collected and treated, and can be used as another water resource.
At present, rainwater storage tanks are widely used in many cities. There are still a number of problems:
(1) large occupied area
The reservoir is generally selected to be enlarged in the current construction process due to the consideration of the problem of water storage capacity, so that the constructed reservoir generally occupies a large area, and although the water storage capacity is improved, the investment is also large and the reservoir cannot be fully used.
(2) Low water storage capacity
Because the technical problems of the prior reservoir in the construction process are lagged behind, the construction of China in the aspect of the reservoir is also lagged behind relatively, and the anti-seepage technology of the reservoir is not further enhanced, so that the water storage capacity is poor, and the reutilization rate is low.
(3) Large investment
The concept of city construction is open source throttling at present, so that reservoir construction is carried out in many places by combining the characteristics of city construction, like green roof construction, although the improvement of the rainwater purification effect of the city is ensured to a certain extent, the construction project has huge investment and is not suitable for general city construction.
(4) Low purifying efficiency and environment damage
The impounding reservoir construction should be combined with the characteristics of cities to make things convenient for the local conditions, but the impounding reservoirs constructed in many cities are also damaged, which is against the development concept of green cities. Many cisterns do not adopt the purification effect to the rainwater, lead to inefficiency, and the environment also can be polluted.
The system is invented according to the concept of sponge city construction. The system overcomes the defects of single function, complex management mode and low purification capacity of the existing urban rainwater storage tank, adopts the combined action of multiple systems, effectively combines the rainwater storage-purification-recycling systems and the like, strengthens the comprehensive capacity of the rainwater storage tank, simplifies the management, improves the quality of rainwater, realizes the recycling of rainwater and the like.
Disclosure of Invention
The invention aims to overcome the defects of single function, complex management mode, low purification capability and the like of the existing rainwater regulation and storage pool, develop a set of rainwater recycling-based system, adopt a multi-stage combined action, achieve good effects of storing, purifying and recycling rainwater, releasing and utilizing the stored water when needed, and have good 'elasticity' in the aspects of adapting to environmental changes, coping with natural disasters and the like; meanwhile, the invention has simple management and small occupied area, and does not damage the original environment subject.
In order to achieve the purpose, the invention adopts the technical scheme that:
a rainwater regulation and storage system for sponge city construction comprises an initial rainwater regulation and storage tank part, an ecological soil purification system part and a rainwater utilization regulation and storage tank part; the ecological soil purification system is arranged between the initial rainwater storage tank and the rainwater utilization storage tank;
the initial rainwater storage tank part comprises an initial rainwater storage tank, a water inlet pipe, a secondary slag blocking layer, a water retaining wall, a bottom water through hole, a rainwater lifting pump, a first liquid level switch, a cleaning manhole, a first equipment access hole and a first emptying pipe, wherein the water inlet pipe is arranged on the front wall of the initial rainwater storage tank; the water retaining wall is fixed at the bottom of the initial rainwater storage tank, and the height of the water retaining wall is lower than the depth of the initial rainwater storage tank; a secondary slag blocking layer is filled between the water retaining wall and the front wall of the initial rainwater storage tank; the bottom of the water retaining wall is provided with a bottom water through hole; the cleaning manhole is arranged on the upper wall of the initial rainwater storage tank and is positioned right above the secondary slag blocking layer; the rainwater lift pump is arranged between the water retaining wall and the rear wall of the initial rainwater storage tank, and a first liquid level switch is arranged on the rainwater lift pump; the first equipment access hole is formed in the upper wall of the initial rainwater storage tank and is positioned right above the rainwater lift pump; the rainwater lifting pump is connected with the inlet end of a lifting pipeline, and a first check valve and a first vent pipe are sequentially arranged on the lifting pipeline along the direction from the inlet end to the outlet end of the lifting pipeline; the outlet end of the perforated water collecting pipe is provided with a rigid waterproof sleeve; and the rigid waterproof sleeve is sleeved at the outlet end of the perforated water collecting pipe to prevent water from permeating out from the wall of the perforated water collecting pipe.
The ecological soil purification system comprises a planting soil layer, an ecological filter layer, a soil purification layer, a thick gravel filter layer, a clay-bentonite layer and an HDPE (high-density polyethylene) anti-seepage layer from top to bottom in sequence, wherein a perforated water collecting pipe is arranged in the clay-bentonite layer, a perforated water distribution pipe is arranged between the ecological filter layer and the soil purification layer, and the inlet end of the perforated water distribution pipe is connected with the outlet end of the lifting pipeline through a first valve;
the rainwater utilization regulating and storing pool part comprises a rainwater utilization regulating and storing pool, a rainwater reuse water pump, a second liquid level switch, a second emptying pipe, a rainwater reuse pipe, a second equipment access hole, a water meter, an overflow pipe, a second check valve and a second valve, wherein a water inlet hole is formed in the front wall of the rainwater utilization regulating and storing pool, and the outlet end of the perforated water collecting pipe is communicated with the rainwater utilization regulating and storing pool through the water inlet hole; the rainwater recycling water pump is arranged at the bottom of the rainwater utilization regulation and storage pool, and a second liquid level switch is arranged on the rainwater recycling water pump; the inlet end of the rainwater recycling pipe is connected with the rainwater recycling water pump; a second check valve, a second emptying pipe, a water meter and a second valve are sequentially arranged on the rainwater recycling pipe along the direction from the inlet end to the outlet end of the rainwater recycling pipe; the second equipment access hole is provided with the upper wall of the rainwater utilization storage tank and is positioned right above the rainwater reuse water pump; the overflow pipe is arranged on the side wall of the rainwater utilization regulation and storage tank.
Further, the effective volume ratio of the initial rainwater storage tank to the rainwater utilization storage tank is 6: 4.
further, the upper layer of the secondary slag blocking layer is broken stone with the particle size of 5-8 cm, the lower layer of the secondary slag blocking layer is pebbles with the particle size of 10-15 cm, and the ratio of the total volume of the broken stone to the total volume of the pebbles is 7: 3.
furthermore, the water passing section area of the water passing hole at the bottom is 1.2-1.5 times of the sectional area of the water inlet pipe.
Further, the top of the water retaining wall is 15-30 cm higher than the top of the water inlet pipe, so that water overflow can be effectively prevented, and the water storage capacity is improved.
Further, the depth of the ecological soil purification system part is 1.2-1.5 m, and the surface load of the ecological soil purification system part is 1-3 m3/(m2·h)。
Further, still be equipped with tubular ultraviolet disinfector on the rainwater retrieval and utilization pipe, can play the effect of disinfecting, purifying water quality, tubular ultraviolet disinfector is located between second valve and the second blow-down pipe.
Further, the thicknesses of the planting soil layer, the ecological filtering layer, the soil purifying layer, the thick gravel filtering layer and the clay-bentonite layer are all not less than 100mm, and the thickness of the HDPE anti-seepage outlet layer is 1.5 mm; the particle size of the ecological filter layer particles is 2-3 cm, and the particle size of the soil purification layer particles is 0.5-1 cm; the particle size of the thick gravel filter layer is 5-8 cm. The planting soil layer can be used for plant cultivation and environment beautification; the micro-ecological filter layer can purify water by using microorganisms in soil; the ecological soil purification layer further purifies the water quality; the gravel layer can prevent small particle substances in the water from entering the water, and further purify the water. The permeability coefficient of clay-bentonite layer is not more than 10-5cm/s, can effectively prevent rainwater from permeating too fast, effectively purify water quality; the HDPE impervious layer can effectively prevent rainwater from further permeating. The ecological filter layer mainly comprises a soil filter layer of a microbial community. The water filtering and purifying effects are achieved through the life activities of microorganisms.
Furthermore, a first valve well is arranged at the first valve, and a second valve well is arranged at the second valve.
Further, all be equipped with one and mark time between first equipment access hole with between the rainwater elevator pump, between second equipment access hole and the rainwater retrieval and utilization water pump.
Has the advantages that:
the invention has the advantages of enhancing the utilization rate of rainwater through measures of collecting, purifying, recycling and the like, efficiently utilizing rainwater resources, small floor area, large recovery amount, strong water storage capacity, small floor area and the like.
The rainwater regulation and storage system is a system which is combined by a plurality of parts, such as an initial rainwater regulation and storage tank part, an ecological soil purification system part, a rainwater utilization and regulation and storage tank part and the like. Wherein the total effective volume of the initial rainwater storage tank and the rainwater utilization storage tank is the rainfall of 10-30 minutes at the initial rainfall on the service area of the storage and regulation system calculated according to the urban rainfall intensity and 3-10 years of the recurrence period, wherein the effective volume ratio of the initial rainwater storage tank and the rainwater utilization storage tank is 6: 4, the design can increase the effective volume and improve the rainwater accumulation capacity.
When the novel wastewater treatment equipment for deeply treating wastewater by using a catalytic technology works, rainwater firstly enters a secondary slag blocking layer through a water inlet pipe, after primary purification, the rainwater enters a perforated water distribution pipe through a water passing hole at the bottom under the action of a rainwater lift pump, the perforated water distribution pipe uniformly distributes the rainwater in an ecological soil purification system, the rainwater is purified by an ecological filter layer, a soil purification layer, a thick gravel filter layer and a clay-bentonite layer, large particles and harmful substances in the rainwater are reduced to the maximum extent, finally the rainwater enters the perforated water collection pipe, is guided into a rainwater utilization regulation and storage pool, is further sterilized and evolved by a rainwater reuse water pump through a tubular ultraviolet sterilizer, and is discharged by a reuse pipe for effective utilization.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention.
In the figure: 1-a water inlet pipe, 2-a second slag stopping layer, 3-a water retaining wall, 4-a bottom water passing hole, 5-a rainwater lift pump, 6-a first liquid level switch, 7-a cleaning manhole, 8-a first equipment access hole, 9-a first emptying pipe, 10-a perforated water distribution pipe, 11-a planting soil layer, 12-an ecological filter layer, 13-a soil purifying layer, 14-a thick gravel filter layer, 15-a clay-a bentonite layer, 16-a HDPE anti-seepage layer, 17-a perforated water collecting pipe, 18-a rainwater recycling water pump, 19-a second liquid level switch, 20-a first check valve, 21-a tubular ultraviolet sterilizer, 22-a second emptying pipe, 23-a first valve, 24-a rainwater recycling pipe and 25-a second equipment access hole, 26-water meter, 27-first valve well, 28-overflow pipe, 29-rigid waterproof sleeve, 30-second valve well, 31-step, 32-second check valve, 33-second valve
Detailed Description
The invention will be further described with reference to specific embodiments and the accompanying drawings in which:
as shown in fig. 1 and 2, a rainwater regulation and storage system for sponge city construction comprises an initial rainwater regulation and storage tank part, an ecological soil purification system part and a rainwater utilization regulation and storage tank part; the ecological soil purification system is arranged between the initial rainwater storage tank and the rainwater utilization storage tank;
the initial rainwater storage tank part comprises an initial rainwater storage tank, a water inlet pipe 1, a secondary slag blocking layer 2, a water retaining wall 3, a bottom water passing hole 4, a rainwater lifting pump 5, a first liquid level switch 6, a cleaning manhole 7, a first equipment access hole 8 and a first emptying pipe 9, wherein the water inlet pipe 1 is arranged on the front wall of the initial rainwater storage tank; the water retaining wall 3 is fixed at the bottom of the initial rainwater storage tank, and the height of the water retaining wall 3 is lower than the depth of the initial rainwater storage tank; a secondary slag blocking layer 2 is filled between the water retaining wall 3 and the front wall of the initial rainwater storage tank; the bottom of the water retaining wall 3 is provided with a bottom water through hole 4; the cleaning manhole 7 is arranged on the upper wall of the initial rainwater storage tank, and the cleaning manhole 7 is positioned right above the secondary slag blocking layer 2; the rainwater lifting pump 5 is arranged between the water retaining wall 3 and the rear wall of the initial rainwater storage tank, and a first liquid level switch 6 is arranged on the rainwater lifting pump 5; the first equipment access hole 8 is formed in the upper wall of the initial rainwater storage tank, and the first equipment access hole 8 is located right above the rainwater lift pump 5; the rainwater lift pump 5 is connected with the inlet end of a lifting pipeline, and a first check valve 20 and a first vent pipe 9 are sequentially arranged on the lifting pipeline along the direction from the inlet end to the outlet end of the lifting pipeline; the outlet end of the perforated water collecting pipe 17 is provided with a rigid waterproof sleeve 29;
the ecological soil purification system part sequentially comprises a planting soil layer 11, an ecological filtering layer 12, a soil purification layer 13, a thick gravel filtering layer 14, a clay-bentonite layer 15 and an HDPE anti-seepage layer 16 from top to bottom, a perforated water collecting pipe 17 is arranged in the clay-bentonite layer 15, a perforated water distribution pipe 10 is arranged between the ecological filtering layer 12 and the soil purification layer 13, and the inlet end of the perforated water distribution pipe 10 is connected with the outlet end of the lifting pipeline through a first valve 23;
the rainwater utilization regulating and storing pool part comprises a rainwater utilization regulating and storing pool, a rainwater reuse water pump 18, a second liquid level switch 19, a second emptying pipe 22, a rainwater reuse pipe 24, a second equipment access hole 25, a water meter 26, an overflow pipe 28, a second check valve 32 and a second valve 33, wherein a water inlet hole is formed in the front wall of the rainwater utilization regulating and storing pool, and the outlet end of the perforated water collecting pipe 17 is communicated with the rainwater utilization regulating and storing pool through the water inlet hole; the rainwater recycling water pump 18 is arranged at the bottom of the rainwater utilization regulation and storage tank, and a second liquid level switch 19 is arranged on the rainwater recycling water pump 18; the inlet end of the rainwater recycling pipe 24 is connected with the rainwater recycling water pump 18; a second check valve 32, a second emptying pipe 22, a water meter 26 and a second valve 33 are sequentially arranged on the rainwater recycling pipe 24 along the direction from the inlet end to the outlet end of the rainwater recycling pipe 24; the second equipment access hole 25 is provided with the upper wall of the rainwater utilization storage tank, and the second equipment access hole 25 is positioned right above the rainwater reuse water pump 18; the overflow pipe 28 is arranged on the side wall of the rainwater utilization regulation and storage tank.
The effective volume ratio of the initial rainwater storage tank to the rainwater utilization storage tank is 6: 4.
the upper layer of the secondary slag blocking layer 2 is broken stone with the particle size of 5-8 cm, the lower layer of the secondary slag blocking layer is pebbles with the particle size of 10-15 cm, and the ratio of the total volume of the broken stone to the total volume of the pebbles is 7: 3.
the water passing section area of the bottom water passing hole 4 is 1.2-1.5 times of the sectional area of the water inlet pipe 1.
The top of the water retaining wall 3 is 15-30 cm higher than the top of the water inlet pipe 1.
The depth of the ecological soil purification system part is 1.2-1.5 m, and the surface load of the ecological soil purification system part is 1-3 m3/(m2·h)。
The rainwater recycling pipe 24 is also provided with a tubular ultraviolet sterilizer 21, and the tubular ultraviolet sterilizer 21 is arranged between the second valve 33 and the second emptying pipe 22.
The thicknesses of the planting soil layer 11, the ecological filter layer 12, the soil purification layer 13, the thick gravel filter layer 14 and the clay-bentonite layer 15 are all not less than 100mm, and the thickness of the HDPE anti-seepage layer 16 is 1.5 mm; the particle size of the ecological filter layer 12 is 2-3 cm, and the particle size of the soil purification layer 13 is 0.5-1 cm; the particle size of the thick gravel filtering layer 14 is 5-8 cm.
The first valve 23 is provided with a first valve well 27, and the second valve 33 is provided with a second valve well 30.
A step 31 is arranged between the first equipment access hole 8 and the rainwater lifting pump 5 and between the second equipment access hole 25 and the rainwater reuse water pump 18.
This device is at the operation during operation, the rainwater at first gets into second grade sediment layer 2 through inlet tube 1, after elementary purification, through bottom water hole 4, through the effect of rainwater lift pump 5, get into perforation water distributor 10 with even distribution in ecological soil clean system of rainwater, the rainwater passes through ecological filter layer 12 respectively, soil purifies layer 13, gravel filter layer 14, after the purification effect of clay-bentonite layer 15, big particulate matter in the rainwater, harmful substance obtains the reduction of at utmost, the rainwater gets into perforation collector pipe 17 at last, leading-in rainwater utilizes the regulation pond, further disinfection evolution through tubular ultraviolet disinfector 21 by rainwater retrieval and utilization water pump 18, the rainwater is discharged by the retrieval and utilization pipe, effectively utilize.
Claims (8)
1. A rainwater regulation and storage system for sponge city construction is characterized by comprising an initial rainwater regulation and storage tank part, an ecological soil purification system part and a rainwater utilization regulation and storage tank part; the ecological soil purification system part is arranged between the initial rainwater storage tank part and the rainwater utilization storage tank part;
the initial rainwater storage tank part comprises an initial rainwater storage tank, a water inlet pipe (1), a secondary slag blocking layer (2), a water retaining wall (3), a bottom water passing hole (4), a rainwater lifting pump (5), a first liquid level switch (6), a cleaning manhole (7), a first equipment access hole (8) and a first emptying pipe (9), and the water inlet pipe (1) is arranged on the front wall of the initial rainwater storage tank; the water retaining wall (3) is fixed at the bottom of the initial rainwater storage tank, and the height of the water retaining wall (3) is lower than the depth of the initial rainwater storage tank; a secondary slag blocking layer (2) is filled between the water retaining wall (3) and the front wall of the initial rainwater storage tank; the bottom of the water retaining wall (3) is provided with a bottom water through hole (4); the cleaning manhole (7) is arranged on the upper wall of the initial rainwater storage tank, and the cleaning manhole (7) is positioned right above the secondary slag blocking layer (2); the rainwater lifting pump (5) is arranged between the water retaining wall (3) and the rear wall of the initial rainwater storage tank, and a first liquid level switch (6) is arranged on the rainwater lifting pump (5); a first equipment access hole (8) is formed in the upper wall of the initial rainwater storage tank, and the first equipment access hole (8) is located right above the rainwater lift pump (5); the rainwater lifting pump (5) is connected with an inlet end of a lifting pipeline, and a first check valve (20) and a first emptying pipe (9) are sequentially arranged on the lifting pipeline along the direction from the inlet end to the outlet end of the lifting pipeline; the outlet end of the perforated water collecting pipe (17) is provided with a rigid waterproof sleeve (29);
the ecological soil purification system comprises a planting soil layer (11), an ecological filter layer (12), a soil purification layer (13), a thick gravel filter layer (14), a clay-bentonite layer (15) and an HDPE (high-density polyethylene) anti-seepage layer (16) from top to bottom in sequence, a perforated water collecting pipe (17) is arranged in the clay-bentonite layer (15), a perforated water distribution pipe (10) is arranged between the ecological filter layer (12) and the soil purification layer (13), and the inlet end of the perforated water distribution pipe (10) is connected with the outlet end of the lifting pipeline through a first valve (23);
the rainwater utilization regulating and storing pool part comprises a rainwater utilization regulating and storing pool, a rainwater reuse water pump (18), a second liquid level switch (19), a second emptying pipe (22), a rainwater reuse pipe (24), a second equipment maintenance hole (25), a water meter (26), an overflow pipe (28), a second check valve (32) and a second valve (33), wherein a water inlet hole is formed in the front wall of the rainwater utilization regulating and storing pool, and the outlet end of the perforated water collecting pipe (17) is communicated with the rainwater utilization regulating and storing pool through the water inlet hole; the rainwater recycling water pump (18) is arranged at the bottom of the rainwater utilization regulation and storage tank, and a second liquid level switch (19) is arranged on the rainwater recycling water pump (18); the inlet end of the rainwater recycling pipe (24) is connected with the rainwater recycling water pump (18); a second check valve (32), a second emptying pipe (22), a water meter (26) and a second valve (33) are sequentially arranged on the rainwater recycling pipe (24) along the direction from the inlet end to the outlet end of the rainwater recycling pipe (24); the second equipment access hole (25) is formed in the upper wall of the rainwater utilization storage tank, and the second equipment access hole (25) is located right above the rainwater reuse water pump (18); the overflow pipe (28) is arranged on the side wall of the rainwater utilization regulation and storage tank; a tubular ultraviolet sterilizer (21) is further arranged on the rainwater recycling pipe (24), and the tubular ultraviolet sterilizer (21) is arranged between the second valve (33) and the second emptying pipe (22); the planting soil layer (11), the ecological filtering layer (12), the soil purifying layer (13), the thick gravel filtering layer (14) and the clay-bentonite layer (15) are all not less than 100mm in thickness, and the HDPE anti-seepage layer (16) is 1.5mm in thickness; the particle size of the ecological filter layer (12) is 2-3 cm, and the particle size of the soil purification layer (13) is 0.5-1 cm; the particle size of the thick gravel filtering layer (14) is 5-8 cm.
2. The rainwater regulation and storage system for sponge city construction according to claim 1, wherein the effective volume ratio of the initial rainwater regulation and storage tank to the rainwater utilization regulation and storage tank is 6: 4.
3. the rainwater regulation and storage system for sponge city construction according to claim 1, wherein the upper layer of the secondary slag blocking layer (2) is broken stone with a particle size of 5-8 cm, the lower layer is pebble with a particle size of 10-15 cm, and the ratio of the total volume of the broken stone to the total volume of the pebble is 7: 3.
4. the sponge city construction rainwater regulation and storage system of claim 1 wherein the cross-sectional area of the bottom water holes (4) is 1.2-1.5 times the cross-sectional area of the water inlet pipe (1).
5. The rainwater storage and regulation system for sponge city construction according to claim 1, wherein the top of the water retaining wall (3) is 15-30 cm higher than the top of the water inlet pipe (1).
6. The rainwater regulation and storage system for sponge city construction as claimed in claim 1, wherein the depth of the ecological soil purification system part is 1.2-1.5 m, and the surface load of the ecological soil purification system part is 1-3 m3/(m2·h)。
7. A rainwater storage system for sponge city construction according to claim 1, wherein a first valve well (27) is arranged at the first valve (23), and a second valve well (30) is arranged at the second valve (33).
8. The rainwater storage system for sponge city construction according to claim 1, wherein a step (31) is arranged between the first equipment manhole (8) and the rainwater lift pump (5) and between the second equipment manhole (25) and the rainwater reuse water pump (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710160193.0A CN106988404B (en) | 2017-03-17 | 2017-03-17 | Sponge is rainwater regulation system for city construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710160193.0A CN106988404B (en) | 2017-03-17 | 2017-03-17 | Sponge is rainwater regulation system for city construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106988404A CN106988404A (en) | 2017-07-28 |
| CN106988404B true CN106988404B (en) | 2020-06-09 |
Family
ID=59412757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710160193.0A Active CN106988404B (en) | 2017-03-17 | 2017-03-17 | Sponge is rainwater regulation system for city construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106988404B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002664B (en) * | 2019-03-08 | 2024-02-09 | 福州大学 | Urban road rainwater modularized intelligent utilization system and control method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774715A (en) * | 2014-01-16 | 2014-05-07 | 安徽锋亚环境技术有限公司 | Environment-friendly and energy-saving courtyard type rain water collecting, treating and recycling system |
| CN203728644U (en) * | 2013-10-31 | 2014-07-23 | 中国民航机场建设集团公司 | Integrated artificial wetland system |
| CN105133692A (en) * | 2015-07-16 | 2015-12-09 | 江苏大学 | Landscape-type eco-roof rainwater source combined pollution reduction and waterlogging prevention system |
| CN205204913U (en) * | 2015-10-30 | 2016-05-04 | 武汉中科水生环境工程股份有限公司 | A stealthy ecological filtering pond system that is used for initial stage rainwater to collect retrieval and utilization |
| CN106007218A (en) * | 2016-07-14 | 2016-10-12 | 青岛大学 | System and method for ecological treatment and utilization of urban rainwater |
| CN205776495U (en) * | 2016-06-21 | 2016-12-07 | 长江勘测规划设计研究有限责任公司 | Sponge type solid rainwater reuse for sponge urban construction is regulated and stored system |
| US9580897B2 (en) * | 2012-11-27 | 2017-02-28 | Chongqing University | System and method for purifying rainfall runoff |
-
2017
- 2017-03-17 CN CN201710160193.0A patent/CN106988404B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9580897B2 (en) * | 2012-11-27 | 2017-02-28 | Chongqing University | System and method for purifying rainfall runoff |
| CN203728644U (en) * | 2013-10-31 | 2014-07-23 | 中国民航机场建设集团公司 | Integrated artificial wetland system |
| CN103774715A (en) * | 2014-01-16 | 2014-05-07 | 安徽锋亚环境技术有限公司 | Environment-friendly and energy-saving courtyard type rain water collecting, treating and recycling system |
| CN105133692A (en) * | 2015-07-16 | 2015-12-09 | 江苏大学 | Landscape-type eco-roof rainwater source combined pollution reduction and waterlogging prevention system |
| CN205204913U (en) * | 2015-10-30 | 2016-05-04 | 武汉中科水生环境工程股份有限公司 | A stealthy ecological filtering pond system that is used for initial stage rainwater to collect retrieval and utilization |
| CN205776495U (en) * | 2016-06-21 | 2016-12-07 | 长江勘测规划设计研究有限责任公司 | Sponge type solid rainwater reuse for sponge urban construction is regulated and stored system |
| CN106007218A (en) * | 2016-07-14 | 2016-10-12 | 青岛大学 | System and method for ecological treatment and utilization of urban rainwater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106988404A (en) | 2017-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105130055A (en) | Rainwater collecting, purifying and reusing system | |
| CN106830506A (en) | A kind of intensified denitrification and dephosphorization biology delaying basin for being applied to sponge urban construction | |
| CN204369656U (en) | Rainwater treatment artificial wet land system | |
| CN206385001U (en) | Retaining water cleaning systems under a kind of sponge urban land | |
| CN101880105A (en) | Composite flow manual-rapid infiltration ecological field | |
| CN205635295U (en) | Ecological processing system of sewage | |
| CN201952328U (en) | Landscape inverted biological quick filtration device | |
| CN212278994U (en) | Rainwater flower box with rainwater purification function | |
| CN104386876A (en) | Household processing system for sewage | |
| CN106988404B (en) | Sponge is rainwater regulation system for city construction | |
| CN204509035U (en) | Complex media marsh sewage treatment system | |
| CN105293749B (en) | Beam-connected greenhouse rainwater-collecting and treatment for reuse device and method | |
| CN106865776B (en) | Multistage water-stacking rotary purification system for sponge urban low-lying land | |
| CN108793609A (en) | The method of urban rainwater management and processing | |
| CN108862846A (en) | A kind of method of urban rainwater management and processing | |
| CN108793604A (en) | A kind of colleges and universities' sewage and rain processing system | |
| CN108083426A (en) | A kind of rapid infiltration system for initial rainwater efficient process | |
| CN203946980U (en) | Beam-connected greenhouse rainwater-collecting and processing reclamation set | |
| CN208378529U (en) | A kind of unpowered sewage disposal system of courtyard-style | |
| CN109111056A (en) | A kind of innoxious terminal processing method of mature landfill leachate | |
| CN209989895U (en) | Rainwater resource ecological utilization device for realizing regional hydrology virtuous cycle | |
| CN209872525U (en) | Assembled filler block and assembled notch cuttype shore water wetland clean system | |
| CN100475720C (en) | Medium composite type artificial wetland sewage processing system and method | |
| CN210367347U (en) | Gardens rainwater clean system | |
| CN102583599A (en) | Sewage treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |