CN115977227A - Building water storage device for sponge city and use method - Google Patents
Building water storage device for sponge city and use method Download PDFInfo
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- CN115977227A CN115977227A CN202310006742.4A CN202310006742A CN115977227A CN 115977227 A CN115977227 A CN 115977227A CN 202310006742 A CN202310006742 A CN 202310006742A CN 115977227 A CN115977227 A CN 115977227A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 311
- 238000000034 method Methods 0.000 title claims abstract description 10
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- 238000004062 sedimentation Methods 0.000 claims abstract description 56
- 238000012544 monitoring process Methods 0.000 claims abstract description 41
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 34
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- 239000008213 purified water Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 6
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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
The invention relates to the technical field of sponge city construction, in particular to a building water storage device for a sponge city, which comprises a rainwater collection system, a rainwater purification system, a rainwater storage system and an intelligent water quality monitoring system, wherein the rainwater collection system is connected with the rainwater purification system; the rainwater collecting system comprises a roof collecting system and an outer wall collecting system; the rainwater purification system is arranged underground and comprises a sedimentation tank, a filter and a disinfection tank which are arranged in sequence, and the sedimentation tank is connected with the rainwater collection system; the rainwater storage system is arranged underground and comprises a water storage tank, and the water storage tank is connected with the disinfection tank; the intelligent water quality monitoring system is used for monitoring the water quality which enters the rainwater storage system after being purified by the rainwater purification system; the problem of current building water storage device do not have rainwater filtration clean system, very easily cause water storage device to block up and collect the too much phenomenon that is difficult to use of rainwater impurity is solved. The invention also provides a use method of the building water storage device for the sponge city.
Description
Technical Field
The invention relates to the technical field of sponge city construction, in particular to a building water storage device for a sponge city and a using method thereof.
Background
The sponge city is a new generation of city rainfall flood management concept, and refers to a city which can be like a sponge and has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, and the city can also be called as a water elasticity city. The construction of sponge cities emphasizes water absorption, water storage, water seepage and water purification during rainfall, and releases and utilizes the stored water when needed.
The existing building water storage devices mostly increase the water storage capacity, have no complete rainwater filtering and purifying system, and easily cause the phenomena that the water storage devices are blocked and rainwater impurities are too much to be collected and are difficult to use.
In view of the above, there is a need for a device for filtering and purifying rainwater, the building water storage device for the sponge city and the use method thereof are used for monitoring the water storage quality condition in time, so that the problems are solved.
Disclosure of Invention
The invention aims to overcome the defects that the existing building water storage device is not provided with a rainwater filtering and purifying system, the water storage device is blocked and too much rainwater impurities are collected and the water storage device is difficult to use, and provides a building water storage device for a sponge city, which can filter and purify rainwater and timely monitor the water storage quality condition.
The specific technical scheme of the invention is as follows:
a building water storage device for a sponge city comprises a rainwater collection system, a rainwater purification system, a rainwater storage system and an intelligent water quality monitoring system;
the rainwater collecting system comprises a roof collecting system and an outer wall collecting system;
the rainwater purification system is arranged underground and comprises a sedimentation tank, a filter and a disinfection tank which are sequentially arranged, and the sedimentation tank is connected with the rainwater collection system;
the rainwater storage system is arranged underground and comprises a water storage tank, and the water storage tank is connected with the disinfection tank;
the intelligent water quality monitoring system is used for monitoring the water quality which enters the rainwater storage system after being purified by the rainwater purification system.
Further, the roof collecting system comprises a planting pond and a cobblestone landscape pond which are arranged on the roof;
the planting pond comprises a vegetation layer, a substrate layer, a gravel layer, a coarse sand layer, a filter layer, a water storage and drainage layer and a waterproof layer which are sequentially arranged from top to bottom;
the cobble landscape pool comprises a cobble layer, a leveling layer, the gravel layer, the coarse sand layer, the filtering layer, the water storage and drainage layer and the waterproof layer which are sequentially arranged from top to bottom;
store the position that the drainage blanket is close to roof parapet and be provided with the drainage canal, the building outer wall be provided with the drain pipe of drainage canal intercommunication, drain pipe downwardly extending with the sedimentation tank intercommunication. So that the redundant rainwater collected by the roof collecting system enters the drainage channel and enters the rainwater purification system through the drainage pipe.
By implementing the technical scheme, when raining, a part of rainwater reserved on the water storage and drainage layer can be used as a source of plant water in a drought period, and meanwhile, the temperature and humidity of the top layer can be improved, and the living comfort level is improved; the vegetation layer and the cobble layer can build good urban landscape. After the other part of roof collecting system is reserved, redundant rainwater enters the drainage channel and enters the rainwater purification system through the drainage pipe to be evolved, and then the rainwater is stored in the rainwater storage system to be used. And the structures of the planting pond and the cobblestone landscape pond can primarily filter rainwater, and reduce the sediment content in the rainwater.
Further, the outer wall collecting system includes surface course and the collector pipe of permeating water, the surface course that permeates water is the facing brick that permeates water, the surface course that permeates water is laid in the building outer wall outside, the collector pipe layering surround in building outer wall week side just imbeds in the surface course that permeates water, the water collecting hole has been seted up to the collector pipe slope setting and upside, every layer the lowest of collector pipe with the drain pipe links to each other, and the moisture in the surface course that permeates water passes through the water collecting hole gets into in the collector pipe and utilizes gravity to enter into in draining pipe rainwater purification system.
Furthermore, the included angle between the water collecting pipe and the horizontal plane is 2-3 degrees.
Implement above-mentioned technical scheme, can enlarge building collection rain area, the most probable collects the rainwater, prevents the waterlogging to the surface course that permeates water can prefilter the rainwater, reduces the silt content in the rainwater.
Furthermore, the sedimentation tank and the disinfection tank are arranged up and down, and the filter is arranged between the sedimentation tank and the disinfection tank; a first medicine box communicated with the sedimentation tank is arranged at the top of the sedimentation tank and used for putting a flocculating agent into the sedimentation tank; a second medicine box communicated with the disinfection tank is arranged on the outer side wall of the disinfection tank and used for putting a disinfectant into the disinfection tank; the filter comprises a first filter plate, a filter element, a filter membrane and a second filter plate which are sequentially arranged from top to bottom.
Implement above-mentioned technical scheme, the aquatic of collecting through rainwater collection system contains certain pollutant, is not convenient for use, through the processing in sedimentation tank, filter and disinfection pond, carries out the secondary to the rainwater and purifies, enough high efficiency processing rainwater, water purification, convenient to use.
Further, the sedimentation tank bottom is provided with scrapes the mud brush, just the sedimentation tank lateral wall be provided with the mud pipe of sedimentation tank inside intercommunication, be provided with the mud valve on the mud pipe, the sedimentation tank lateral wall still is provided with control scrape the mud controller of scraping that the mud brush opened and close.
Implement above-mentioned technical scheme, scrape the silt that the mud brush can clear up on the collection filter, the silt after the collection passes through the mud pipe and discharges to clean the filter, prevent because the filter blocks up the problem that quality of water decline and filter speed slow down that brings.
Furthermore, the water storage tank is provided with a water conduit communicated with the disinfection tank, a water valve is arranged on the water conduit, the intelligent water quality monitoring system comprises a water quality sensor, a wireless intelligent measurement and control terminal, a cloud platform and a display terminal, the water quality sensor is a flow-through detector, a water inlet pipe of the water quality monitor is connected with the water conduit, and a water outlet pipe of the water quality monitor is connected with a building drain pipe;
the water quality sensor is connected with the wireless intelligent measurement and control terminal through a lead so as to send collected water quality data; the wireless intelligent measurement and control terminal is wirelessly connected with the cloud platform to send the received water quality data to the cloud platform; the cloud platform is connected with the display terminal so as to process the received water quality data and then send the processed water quality data to the display terminal for display.
By implementing the technical scheme, the water quality purified by the rainwater purification system can be monitored in real time, and the water safety is guaranteed.
Furthermore, a first water pump is arranged at the bottom of the reservoir and connected with the sedimentation tank through a return pipe, and a return valve is arranged on the return pipe.
By implementing the technical scheme, when the water quality does not meet the use standard, the reflux valve is opened, the first water pump is started, and the water in the reservoir flows back to the sedimentation tank of the rainwater purification system along the reflux pipe for three times of purification.
Furthermore, a second water pump is arranged at the bottom of the reservoir and connected with a water feeding pipe, and a water feeding valve is arranged on the water feeding pipe.
By implementing the technical scheme, when the water quality meets the use standard, the water feeding valve is opened, the second water pump is started, and the water in the reservoir is discharged out of the reservoir along the water feeding pipe for use.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
according to the building water storage device for the sponge city, the roof collection system and the outer wall collection system are arranged, so that a building has a large water collection area when raining, the roof collection system is provided with the planting pond and the cobblestone landscape pond, the structures of the planting pond and the cobblestone landscape pond and the water permeable surface layer of the outer wall collection system can purify rainwater primarily, and therefore the sediment content in rainwater is reduced. A large amount of rainwater is assembled in the rainwater purification system who sets up in the underground by two sources on roof and outer wall, accomplishes the secondary through deposiing, filtering and disinfecting and purifies, and sufficient high efficiency treatment rainwater purifies quality of water. The quality of water after the secondary purifies gets into in the rainwater deposit system to carry out real-time supervision to the water that gets into in the rainwater deposit system through quality of water intelligent monitoring system, judge through the water quality monitoring result whether water in the cistern need flow back and carry out the cubic and purify in the rainwater purification system, thereby effectively guarantee water safety. The problem of current building water storage device do not have rainwater filtration clean system, very easily cause water storage device to block up and collect the too much phenomenon that is difficult to use of rainwater impurity is solved.
In addition, the sedimentation tank bottom is provided with scrapes the mud brush, scrapes the mud brush and can clear up the silt on collecting the filter, and the silt after collecting passes through the mud pipe and discharges to clean the filter, prevent because the filter blocks up the problem that quality of water decline and filter speed slow down that brings.
The invention also provides a use method of the building water storage device for the sponge city, which comprises the following steps:
s1, collecting rainwater by a roof collecting system and an outer wall collecting system when the roof collecting system and the outer wall collecting system are in rainfall, and primarily purifying the rainwater through a planting pond and a cobblestone landscape pond, so that the silt content in the rainwater is reduced;
s2, collecting rainwater from the primary purified rainwater and rainwater from two sources of an outer wall in a rainwater purification system arranged underground, and completing secondary purification through precipitation, filtration and disinfection;
s3, enabling the water quality after secondary purification to enter a rainwater storage system, and monitoring the water entering the rainwater storage system in real time through an intelligent water quality monitoring system;
s4, judging whether water in the reservoir needs to flow back to the rainwater purification system for three-time purification or not according to a water monitoring result entering the rainwater storage system by the intelligent water quality monitoring system, starting a first water pump to flow back to the rainwater purification system for three-time purification if the water needs to be purified for three times, and stopping secondary purification until the water quality meets the standard;
and S5, storing the purified water for standby or other purposes.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of the overall structure of a building water storage device for a sponge city in the embodiment of the invention.
Fig. 2 is a schematic structural view of a roof collection system in an embodiment of the invention.
Fig. 3 is a schematic structural diagram of an exterior wall collection system in an embodiment of the invention.
Fig. 4 is an enlarged view of a in fig. 3.
Fig. 5 is a schematic structural view of a header pipe in an embodiment of the present invention.
Fig. 6 is a schematic structural view of a rainwater purification system in an embodiment of the present invention.
Fig. 7 is a sectional view of a rainwater purification system in an embodiment of the present invention.
Fig. 8 is a schematic view of a connection structure of a water quality sensor in an embodiment of the present invention.
Fig. 9 is a block diagram of the water quality intelligent monitoring system in the embodiment of the invention.
Fig. 10 is a schematic structural view of a rainwater storage system in an embodiment of the present invention.
Figure 11 is a sectional view of a rainwater storage system in an embodiment of the present invention.
In the figure: 1. a roof collection system; 101. a planting pond; 1011. a vegetable layer; 1012. a substrate layer; 1013. a crushed stone layer; 1014. a coarse sand layer; 1015. a filter layer; 1016. a water storage and drainage layer; 1017. a waterproof layer; 1018. a drainage channel; 102. a cobblestone landscape pond; 1021. a cobble layer; 1022. leveling layer; 103. a drain pipe; 2. an exterior wall collection system; 201. a water permeable facing; 202. a water collection pipe; 203. a water collection hole; 3. a rainwater purification system; 301. a sedimentation tank; 3011. a first medicine box; 3012. a mud scraping brush; 3013. a sludge discharge pipe; 3014. a mud valve; 3015. a mud scraping controller; 302. a disinfection tank; 3021. a second medicine box; 303. a first filter plate; 304. a filter element; 305. filtering the membrane; 306. a second filter plate; 4. a rainwater storage system; 401. a reservoir; 402. a first water pump; 403. a second water pump; 5. a water quality intelligent monitoring system; 501. a water quality sensor; 502. a water inlet pipe; 503. a water outlet pipe; 6. a water conduit; 7. a water diversion valve; 8. a return pipe; 9. a reflux valve; 10. a water feeding pipe; 11. a water supply valve; 12. a first flow meter; 13. a first vent conduit; 14. a second vent conduit; 15. and (5) building drainage pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment is as follows:
as shown in fig. 1, the building water storage device for sponge city in the invention comprises a rainwater collection system, a rainwater purification system 3, a rainwater storage system 4 and an intelligent water quality monitoring system 5. The rainwater collecting system comprises a roof collecting system 1 and an outer wall collecting system 2; the rainwater purification system 3 is arranged underground, the rainwater purification system 3 comprises a sedimentation tank 301, a filter and disinfection tank 302 which are sequentially arranged, and the sedimentation tank 301 is connected with a rainwater collection system; the rainwater storage system 4 is arranged underground, the rainwater storage system 4 comprises a water reservoir 401, and the water reservoir 401 is connected with the disinfection tank 302; the intelligent water quality monitoring system 5 is used for monitoring the water quality which enters the rainwater storage system 4 after being purified by the rainwater purification system 3.
As shown in fig. 2, the roof collecting system 1 of the present invention is installed on the roof of a building, and the roof collecting system 1 includes a planting pond 101 and a cobblestone landscape pond 102. The planting pond 101 comprises a vegetation layer 1011, a substrate layer 1012, a gravel layer 1013, a coarse sand layer 1014, a filter layer 1015, a water storage and drainage layer 1016 and a waterproof layer 1017 which are arranged in sequence from top to bottom. Specifically, the vegetation layer 1011 is a ground cover plant; the matrix layer 1012 is composed of planting nutrient soil, and the thickness of the matrix layer 1012 is 15cm-20cm; the thickness of the coarse sand layer 1014 is 5cm-6cm, and the grain diameter is 0.5cm-2.0cm; the filter layer 1015 is a water permeable filter membrane 305; the water storage and drainage layer 1016 is a net-shaped interweaving water drainage plate, and the thickness is 20mm-30mm; waterproof layer 1017 is rigid waterproof layer 1017 with the slope of 2-3 degrees, specifically adopts waterproof mortar or waterproof concrete, and the thickness is 5cm. The cobblestone landscape pool 102 comprises a cobblestone layer 1021, a leveling layer 1022, a gravel layer 1013, a coarse sand layer 1014, a filter layer 1015, a water storage and drainage layer 1016 and a waterproof layer 1017 which are sequentially arranged from top to bottom. Specifically, the thickness of the cobblestone layer 1021 is 10cm-15cm, and the particle size is 7cm-10cm; the leveling layer 1022 is paved by adopting broken stones, the thickness of the leveling layer 1022 is 5cm-10cm, and the particle size is 5cm-9cm; the gravel layer 1013, the coarse sand layer 1014, the filter layer 1015, the water storage and drainage layer 1016 and the waterproof layer 1017 of the cobblestone landscape pool 102 are all the same as those of the planting pool 101. A drainage channel 1018 is arranged at the position of the water storage and drainage layer 1016, which is close to the parapet wall of the roof, the outer wall of the building is provided with a drainage pipe 103 communicated with the drainage channel 1018, and the drainage pipe 103 extends downwards to be communicated with the sedimentation tank 301. So that the excess rainwater collected by the roof collection system 1 enters the drainage channel 1018 and enters the rainwater purification system 3 through the drainage pipe 103 for purification.
In the roof collection system 1, the vegetation layer 1011 and the substrate layer 1012 of the planting pond 101 have certain functions of water and soil conservation and water absorption, and can absorb a part of rainwater; the cobblestone layer 1021 and the leveling layer 1022 of the cobblestone landscape pool 102, the gravel layer 1013, the coarse sand layer 1014 and the filter layer 1015 of the planting pool 101 and the cobblestone landscape pool 102 can preliminarily filter rainwater, so that the content of silt and impurities in the rainwater is reduced; the water storage and drainage layer 1016 has a certain water storage effect, rainwater reserved in the water storage and drainage layer 1016 can be used as a source of plant water in a drought period, and meanwhile, the temperature and humidity of a roof can be improved, and the living comfort level is improved; the vegetation layer 1011 and the cobblestone layer 1021 can also create a good urban landscape.
As shown in fig. 3, the outer wall collection system 2 of the present invention includes a water permeable surface layer 201 and water collection pipes 202, the water permeable surface layer 201 is a water permeable facing brick, the water permeable facing brick has a thickness of 5mm-7mm, the water permeable surface layer 201 is laid on the outer side of the outer wall of the building, the water collection pipes 202 are layered around the outer wall of the building and embedded in the water permeable surface layer 201, the water collection pipes 202 are disposed obliquely and have water collection holes 203 on the upper side, the water collection pipes 202 of each layer are located at the lowest position of the water collection pipes 202 of the layer and are connected to the water discharge pipe 103, and water in the water permeable surface layer 201 enters the water collection pipes 202 through the water collection holes 203 and is discharged into the water discharge pipe 103 by gravity to enter the rainwater purification system 3 for purification. Specifically, the included angle between the water collecting pipe 202 and the horizontal plane is 2-3 degrees, and the number of layers of the water collecting pipe 202 is set according to the actual condition of the building.
Through setting up outer wall collection system 2, can enlarge building collection rain area, the most probable collection rainwater prevents waterlogging to the surface course 201 that permeates water can the prefilter rainwater, reduces the silt content in the rainwater.
As shown in fig. 4, the rainwater purification system 3 of the present invention includes a sedimentation tank 301 and a disinfection tank 302 arranged in an up-down manner, wherein the bottom of the sedimentation tank 301 is communicated with the top of the disinfection tank 302, and a filter is disposed between the sedimentation tank 301 and the disinfection tank 302. The top of the sedimentation tank 301 is provided with a first medicine box 3011, the first medicine box 3011 is connected with the sedimentation tank 301 through a first medicine feeding pipe, a first medicine feeding valve is installed on the first medicine feeding pipe, a first medicine feeding opening is formed in the top of the first medicine box 3011, and a flocculating agent is contained in the first medicine box 3011. A first air hole pipeline 13 is arranged above the sedimentation tank 301, one end of the first air hole pipeline 13 is connected and communicated with the sedimentation tank 301, and the other end of the first air hole pipeline is communicated with the atmosphere. The arrangement of the first air hole pipeline 13 can effectively prevent equipment failure caused by pressure problems in the sedimentation tank 301 during use. A second medicine box 3021 is arranged on the outer side wall of the disinfection tank 302, the second medicine box 3021 is connected with the disinfection tank 302 through a second medicine feeding pipe, a second medicine feeding valve is installed on the second medicine feeding pipe, a second medicine feeding port is fixedly arranged on the top of the second medicine box 3021, and a disinfectant is contained in the second medicine box 3021.
As shown in fig. 5, the filter includes a first filter plate 303, a filter element 304, a filter membrane 305, and a second filter plate 306 arranged in sequence from top to bottom. The first filter plate 303 and the second filter plate 306 are both made of rigid materials with the thickness of 1mm-3mm, and filter holes with the inner diameter of 1cm-3cm are uniformly distributed in the rigid materials, so that the settled rainwater can conveniently enter the filter; the filter element 304 is an active carbon filter element 304, and the height of the filter element 304 is 3cm-5cm; the filter membrane 305 is a PVDF hydrophilic ultrafiltration membrane 305. Preferably, the filter is arranged between the sedimentation tank 301 and the disinfection tank 302, and the filter is detachably connected with both the sedimentation tank 301 and the disinfection tank 302, so that the components in the filter can be conveniently replaced after the filter is used for a long time.
In the invention, as shown in fig. 5, a mud scraping brush 3012 is arranged at the bottom of the sedimentation tank 301, a mud discharge pipe 3013 communicated with the interior of the sedimentation tank 301 is arranged on the outer side wall of the sedimentation tank 301, a mud discharge valve 3014 is arranged on the mud discharge pipe 3013, and a mud scraping controller 3015 for controlling the opening and closing of the mud scraping brush 3012 is further arranged on the outer side wall of the sedimentation tank 301.
The mud scraping brush 3012 can clean and collect mud on the filter, and the collected mud is discharged through the mud discharging pipe 3013, so that the filter is cleaned, and the problems of water quality reduction and slow filtering speed caused by filter blockage are prevented.
Referring to fig. 1, 6 and 8, the water reservoir 401 is provided with a water conduit 6 communicated with the disinfection tank 302, a water valve 7 is arranged on the water conduit 6, and water purified by the rainwater purification system 3 enters the water reservoir 401 through the water conduit 6 for storage. Quality of water intelligent monitoring system 5 includes water quality sensor 501, wireless intelligent measurement and control terminal, cloud platform and display terminal, water quality sensor 501 is the circulation type detector, water quality monitoring system's inlet tube 502 links to each other with leading water pipe 6, water quality monitoring system's outlet pipe 503 links to each other with building drain pipe 103, thereby to the quality of water that gets into cistern 401 after rainwater purification system 3 purifies the monitoring, the water sample after the monitoring is discharged through building drain pipe 103, thereby make water quality monitoring data more accurate, avoid secondary pollution's possibility.
The water quality sensor 501 is connected with the wireless intelligent measurement and control terminal through a lead so as to send collected water quality data; the wireless intelligent measurement and control terminal is wirelessly connected with the cloud platform to send the received water quality data to the cloud platform; the cloud platform is connected with the display terminal so as to process the received water quality data and then send the processed water quality data to the display terminal for display.
The water quality sensor 501 is a flow-through detector, and the water quality sensor 501 comprises a water temperature sensor, a pH value sensor, a dissolved oxygen DO sensor, a residual chlorine sensor, a conductivity sensor and a turbidity sensor. The wireless intelligent measurement and control terminal is arranged in a distribution box near the reservoir 401; the wireless intelligent measurement and control terminal comprises a wireless communication module and an internet of things card. The display terminal comprises a computer, a tablet, a mobile phone and a display arranged on the water quality sensor 501.
Through setting up quality of water intelligent monitoring system 5, can real-time supervision through the quality of water after rainwater clean system 3 purifies, guarantee water safety.
As shown in fig. 9, a first water pump 402 and a second water pump 403 are provided at the bottom of the water reservoir 401. The first water pump 402 is connected with a return pipe 8, the return pipe 8 extends upwards to the upper part of the water storage tank 401 and is connected and communicated with the top of the sedimentation tank 301, a return valve 9 is installed on the return pipe 8, and the return valve 9 is positioned outside the water storage tank 401 and the sedimentation tank 301. When the water quality of the water entering the reservoir 401 monitored by the intelligent water quality monitoring system 5 does not meet the use standard, the return valve 9 is opened, the first water pump 402 is started, and the water in the reservoir 401 flows back to the sedimentation tank 301 of the rainwater purification system 3 along the return pipe 8 for three times of purification. The second water pump 403 is connected with a water feeding pipe 10, the water feeding pipe 10 extends upwards to the upper part of the reservoir 401, a water feeding valve 11 is installed on the water feeding pipe 10, and the water feeding valve 11 is located on the outer side of the reservoir 401. When the water quality of the water entering the reservoir 401 monitored by the intelligent water quality monitoring system 5 meets the use standard, the water feeding pipe 10 can be connected with an external water using pipe, the water feeding valve 11 is opened, the second water pump 403 is started, the water in the reservoir 401 is discharged out of the reservoir 401 along the water feeding pipe 10 for use, and the water in the reservoir 401 can be used for irrigating green plants, sprinkling and spraying, cooling and the like, so that the rainwater can be secondarily utilized.
In this embodiment, a second air vent pipe 14 is disposed above the reservoir 401, one end of the second air vent pipe 14 is connected and communicated with the reservoir 401, and the other end is communicated with the atmosphere. The provision of the second vent line 14 can effectively prevent equipment failure due to pressure problems within the reservoir 401 during use.
In this embodiment, a first flowmeter 12 is disposed at one end of the water discharge pipe 103 close to the sedimentation tank 301, and a second flowmeter is disposed at one end of the return pipe 8 close to the sedimentation tank 301, and preferably, the first flowmeter 12 and the second flowmeter are both remote electromagnetic flowmeters, and the remote electromagnetic flowmeters are wirelessly connected with a display terminal of the intelligent water quality monitoring system 5, so that the measured data can be transmitted to the display terminal. The user can control the opening and closing of the first dosing valve and the second dosing valve according to the flow rates of the first flowmeter 12 and the second flowmeter in the rainwater purification system 3, so that the flocculating agent entering the sedimentation tank 301 and the disinfectant entering the disinfection tank 302 are controlled, the incomplete purification caused by too little dosage and the medicament waste caused by too much dosage are avoided.
In this embodiment, rainwater purification system 3 still includes the controller, the controller is installed in the middle of the block terminal near cistern 401, first valve and the second valve of dosing are the solenoid valve, and first valve and the second valve of dosing all are connected with the controller through the wire, first flowmeter 12 and second flowmeter and controller communication connection, first flowmeter 12 and second flowmeter transmit measured data for the controller, the controller judges data, thereby control the opening and closing of first valve and the second valve of dosing, thereby can add the dose according to the flow automatic control who gets into rainwater in rainwater purification system 3. The distribution box is also provided with a timer, the timer is connected with the controller through a lead, the timer is used for respectively recording the opening time of the first dosing valve and the second dosing valve and transmitting the recording result to the controller, and the controller calculates the dosing amount of the flocculating agent and the disinfectant through the opening time of the first dosing valve and the second dosing valve. The controller is in communication connection with the display terminal and transmits the dosing amounts of the flocculating agent and the disinfectant to the display terminal, so that a user can judge whether the dosing amounts of the first medicine box 3011 and the second medicine box 3021 are needed or not according to the dosing amounts.
A building water storage device for sponge city in this embodiment, through setting up roof collecting system 1 and outer wall collecting system 2, when the rainfall, the building has possessed great water-collecting area to roof collecting system 1 is provided with plants pond 101 and cobblestone view pond 102, plants the structure in pond 101 and cobblestone view pond 102 and outer wall collecting system 2's the surface course 201 that permeates water homoenergetic and all can carry out elementary purification to the rainwater, thereby reduces the silt content in the rainwater. A large amount of rainwater is assembled in setting up at underground rainwater purification system 3 by two sources on roof and outer wall, accomplishes the secondary through deposiing, filtering and disinfecting, and sufficient high-efficient processing rainwater purifies quality of water. The quality of water after the secondary purifies gets into in rainwater deposit system 4 to carry out real-time supervision to the water that gets into in rainwater deposit system 4 through quality of water intelligent monitoring system 5, judge through the water quality monitoring result whether the water in cistern 401 need flow back and carry out the cubic and purify in rainwater purification system 3, thereby effectively guarantee water safety. The problem of current building water storage device do not have rainwater filtration clean system, very easily cause water storage device to block up and collect the too much phenomenon that is difficult to use of rainwater impurity is solved.
In addition, the bottom of the sedimentation tank 301 is provided with a mud scraping brush 3012, the mud scraping brush 3012 can clean and collect sludge on the filter, and the collected sludge is discharged through a mud discharging pipe 3013, so that the filter is cleaned, and the problems of water quality reduction and slow filtering speed caused by filter blockage are prevented.
The implementation also provides a use method of the building water storage device for the sponge city, which comprises the following steps:
s1, collecting rainwater by the roof collecting system 1 and the outer wall collecting system 2 when the rain falls, and primarily purifying the rainwater by the planting pond 101 and the cobblestone landscape pond 102 so as to reduce the silt content in the rainwater;
s2, collecting the primarily purified rainwater and the rainwater collected from the external wall in a rainwater purification system 3 arranged underground, and completing secondary purification through precipitation, filtration and disinfection;
s3, the water quality after secondary purification enters the rainwater storage system 4, and the water entering the rainwater storage system 4 is monitored in real time through the intelligent water quality monitoring system 5;
s4, the intelligent water quality monitoring system 5 judges whether water in the water storage tank 401 needs to flow back to the rainwater purification system 3 for three times of purification according to a water monitoring result entering the rainwater storage system 4, if the water needs to be purified for three times, the first water pump is started to return 402 to flow into the rainwater purification system 3 for three times of purification, and the secondary purification is stopped until the water quality meets the standard;
and S5, storing the purified water for standby or other purposes.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A building water storage device for sponge city, comprising:
the rainwater collection system comprises a roof collection system (1) and an outer wall collection system (2);
the rainwater purification system (3) is arranged underground, the rainwater purification system (3) comprises a sedimentation tank (301), a filter and a disinfection tank (302) which are sequentially arranged, and the sedimentation tank (301) is connected with the rainwater collection system;
the rainwater storage system (4) is arranged underground, the rainwater storage system (4) comprises a water storage tank (401), and the water storage tank (401) is connected with the disinfection tank (302); and
the intelligent water quality monitoring system (5), the intelligent water quality monitoring system (5) is used for monitoring the water quality entering the rainwater storage system (4) after being purified by the rainwater purification system (3).
2. The architectural water storage device for sponge cities as claimed in claim 1 wherein the roof collection system (1) comprises a planting pond (101) and a cobblestone landscape pond (102) arranged on the roof;
the planting pond (101) comprises a planting layer (1011), a substrate layer (1012), a gravel layer (1013), a coarse sand layer (1014), a filter layer (1015), a water storage and drainage layer (1016) and a waterproof layer (1017) which are sequentially arranged from top to bottom;
the cobblestone landscape pool (102) comprises a cobblestone layer (1021), a leveling layer (1022), a gravel layer (1013), a coarse sand layer (1014), a filter layer (1015), a water storage and drainage layer (1016) and a waterproof layer (1017) which are sequentially arranged from top to bottom;
and a drainage channel (1018) is arranged at the position, close to the roof parapet, of the water storage and drainage layer (1016), a drainage pipe (103) communicated with the drainage channel (1018) is arranged on the outer wall of the building, and the drainage pipe (103) extends downwards to be communicated with the sedimentation tank (301).
3. The building water storage device for the sponge city as claimed in claim 2, wherein the outer wall collection system (2) comprises a water permeable surface layer (201) and a water collection pipe (202), the water permeable surface layer (201) is laid on the outer side of the outer wall of the building, the water collection pipe (202) surrounds the outer wall of the building in a layered manner and is embedded into the water permeable surface layer (201), the water collection pipe (202) is obliquely arranged, water collection holes (203) are formed in the upper side of the water collection pipe, and the lowest part of the water collection pipe (202) on each layer is connected with the water discharge pipe (103).
4. The architectural water storage device for sponge cities as claimed in claim 3 wherein the angle of the header pipe (202) to the horizontal is 2-3 °.
5. The building water storage device for the sponge city as claimed in claim 2, wherein the sedimentation tank (301) and the disinfection tank (302) are arranged up and down, the filter is arranged between the sedimentation tank (301) and the disinfection tank (302); a first medicine box (3011) communicated with the sedimentation tank (301) is arranged at the top of the sedimentation tank (301), and the first medicine box (3011) is used for putting a flocculating agent into the sedimentation tank (301); a second medicine box (3021) communicated with the disinfection tank (302) is arranged on the outer side wall of the disinfection tank (302), and the second medicine box (3021) is used for throwing disinfectant into the disinfection tank (302); the filter comprises a first filter plate (303), a filter element (304), a filter membrane (305) and a second filter plate (306) which are sequentially arranged from top to bottom.
6. The building water storage device for the sponge city according to any one of claims 3 to 5, wherein a mud scraping brush (3012) is arranged at the bottom of the sedimentation tank (301), a mud discharging pipe (3013) communicated with the inside of the sedimentation tank (301) is arranged on the outer side wall of the sedimentation tank (301), a mud discharging valve (3014) is arranged on the mud discharging pipe (3013), and a mud scraping controller (3015) for controlling the opening and closing of the mud scraping brush (3012) is further arranged on the outer side wall of the sedimentation tank (301).
7. The building water storage device for the sponge city according to claim 6, wherein the water storage tank (401) is provided with a water conduit (6) communicated with the disinfection pond (302), a water valve (7) is arranged on the water conduit (6), the intelligent water quality monitoring system (5) comprises a water quality sensor (501), a wireless intelligent measurement and control terminal, a cloud platform and a display terminal, the water quality sensor (501) is a flow-through detector, a water inlet pipe (502) of the water quality monitor is connected with the water conduit (6), and a water outlet pipe (503) of the water quality monitor is connected with a building drain pipe (103);
the water quality sensor (501) is connected with the wireless intelligent measurement and control terminal through a lead so as to send collected water quality data; the wireless intelligent measurement and control terminal is wirelessly connected with the cloud platform to send the received water quality data to the cloud platform; the cloud platform is connected with the display terminal to process the received water quality data and then send the processed water quality data to the display terminal for displaying.
8. The building water storage device for the sponge city as claimed in claim 7, wherein the bottom of the water storage tank (401) is provided with a first water pump (402), the first water pump (402) is connected with the sedimentation tank (301) through a return pipe (8), and the return pipe (8) is provided with a return valve (9).
9. The building water storage device for the sponge city as claimed in claim 8, wherein a second water pump (403) is arranged at the bottom of the water storage tank (401), a water feeding pipe (10) is connected to the second water pump (403), and a water feeding valve (11) is arranged on the water feeding pipe (10).
10. Use of a building water storage device for sponge cities, characterized in that it uses a building water storage device for sponge cities according to any one of claims 8 to 9, comprising the following steps:
s1, when the roof collecting system (1) and the outer wall collecting system (2) fall, rainwater is collected, and the rainwater is primarily purified through the planting pond (101) and the cobblestone landscape pond (102), so that the silt content in the rainwater is reduced;
s2, collecting the primarily purified rainwater and the rainwater collected from the external wall in a rainwater purification system (3) arranged underground, and performing precipitation, filtration and disinfection to finish secondary purification;
s3, the water after secondary purification enters a rainwater storage system (4), and water entering the rainwater storage system (4) is monitored in real time through an intelligent water quality monitoring system (5);
s4, the intelligent water quality monitoring system (5) judges whether water in the water storage tank (401) needs to flow back to the rainwater purification system (3) for three times of purification according to a water monitoring result entering the rainwater storage system (4), if the water needs to be purified for three times, the first water pump (402) is started to flow back to the rainwater purification system (3) for three times of purification, and the secondary purification is stopped until the water quality meets the standard;
and S5, storing the purified water for standby or other purposes.
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