CN114751602A - Water collection and recycling system for living community - Google Patents
Water collection and recycling system for living community Download PDFInfo
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- CN114751602A CN114751602A CN202210559533.8A CN202210559533A CN114751602A CN 114751602 A CN114751602 A CN 114751602A CN 202210559533 A CN202210559533 A CN 202210559533A CN 114751602 A CN114751602 A CN 114751602A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 225
- 238000004064 recycling Methods 0.000 title claims abstract description 27
- 238000004062 sedimentation Methods 0.000 claims abstract description 77
- 238000000746 purification Methods 0.000 claims abstract description 46
- 238000011282 treatment Methods 0.000 claims abstract description 34
- 238000001556 precipitation Methods 0.000 claims abstract description 17
- 238000003973 irrigation Methods 0.000 claims abstract description 13
- 230000002262 irrigation Effects 0.000 claims abstract description 13
- 238000001179 sorption measurement Methods 0.000 claims abstract description 9
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 9
- 238000005507 spraying Methods 0.000 claims abstract description 5
- 239000010802 sludge Substances 0.000 claims description 46
- 238000001914 filtration Methods 0.000 claims description 28
- 238000005406 washing Methods 0.000 claims description 28
- 239000010720 hydraulic oil Substances 0.000 claims description 10
- 239000010865 sewage Substances 0.000 claims description 9
- 238000012806 monitoring device Methods 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 239000013049 sediment Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 description 15
- 238000004140 cleaning Methods 0.000 description 13
- 238000010276 construction Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000000645 desinfectant Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 241000108664 Nitrobacteria Species 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 231100001240 inorganic pollutant Toxicity 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
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- 239000002910 solid waste Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S3/00—Vehicle cleaning apparatus not integral with vehicles
- B60S3/04—Vehicle cleaning apparatus not integral with vehicles for exteriors of land vehicles
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- 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
Abstract
The invention relates to a domestic community water collection recycling system, which comprises a water collection unit, a precipitation treatment unit, a purification unit, a water storage unit and a scheduling unit which are connected in sequence; the water collecting unit comprises overground vegetation and an underground water collecting tank, the sedimentation treatment unit comprises a sedimentation tank and a collecting tank, an overflow baffle is arranged between the sedimentation tank and the collecting tank, the water collecting tank is connected with the sedimentation tank through a pipeline, and the collecting tank is connected with the purification unit through a pipeline; the purification unit comprises a biochemical purification device, a biochar adsorption device and a disinfection device; the water storage unit is connected with the scheduling unit through a pipeline, the scheduling unit is connected with an irrigation device paved at the above-ground vegetation through a spraying pipeline, and the scheduling unit takes water from the water storage unit according to the demand of the above-ground vegetation to irrigate the above-ground vegetation.
Description
Technical Field
The invention belongs to the technical field of efficient utilization of water resources, and particularly relates to a domestic community water collection and recycling system.
Background
With the rapid development of urban construction and the frequent occurrence of urban waterlogging, the concept of sponge urban construction is more and more concerned by people. At present, the rainwater is mainly promoted to seep and hold the rainwater under the rainwater through means such as permeable pavement and concave greenbelt, and the rainwater is slowed down to enter the municipal pipeline, so that the rainwater is absorbed in the region as much as possible, and the burden of a municipal sewage treatment system is reduced. In many current communities, in consideration of factors such as survival of actual plants and convenience of life of residents, the water storage function of the concave greenbelt is not fully exerted, and rainwater is collected through ramps or channels and flows into a sewer pipe network to enter a municipal pipe network. Due to the instability of rainfall, tap water is mostly adopted for irrigation in the greening of the residential areas, and water resources are greatly wasted.
Therefore, the rainwater can be collected and absorbed in the rich water period, and the rainwater high-efficiency utilization system device for irrigation in the dry water period has important significance for preventing waterlogging and removing drought.
Disclosure of Invention
Aiming at the problems, the invention provides a domestic community water collection recycling system, which comprises a water collection unit, a precipitation treatment unit, a purification unit, a water storage unit and a scheduling unit which are connected in sequence;
the water collecting unit comprises overground vegetation and an underground water collecting tank, the sedimentation treatment unit comprises a sedimentation tank and a collecting tank, an overflow baffle is arranged between the sedimentation tank and the collecting tank, the water collecting tank is connected with the sedimentation tank through a pipeline, and the collecting tank is connected with the purification unit through a pipeline;
the purification unit comprises a biochemical purification device, a biochar adsorption device and a disinfection device; the water storage unit is connected with the scheduling unit through a pipeline, the scheduling unit is connected with an irrigation device paved at the above-ground vegetation through a spraying pipeline, and the scheduling unit takes water from the water storage unit according to the demand of the above-ground vegetation to irrigate the above-ground vegetation.
Optionally, the water collecting unit comprises an overground part and an underground part, the overground part comprises overground vegetation and an irrigation device and a soil moisture content monitoring device which are distributed on the overground vegetation, the underground part comprises a water collecting tank, and the middle upper part of the water collecting tank is provided with a sewage intercepting hanging basket for preliminarily filtering collected rainwater.
Optionally, the water outlet of the water collecting tank is connected with the scheduling unit through a pipeline, and when rainwater is less, the water collecting tank is directly filtered and then used for irrigating the vegetation on the ground.
Optionally, a safety diversion well is arranged between the water collection unit and the precipitation treatment unit, the safety diversion well is provided with a water inlet and two water outlets, the water inlet of the safety diversion well is connected with the water outlet of the water collection tank through a pipeline, and one water outlet of the safety diversion well is connected with a municipal pipe network through a pipeline; and the other water outlet of the safe flow dividing well is connected with the sedimentation tank through a pipeline and used for inputting the sewage collected by the water collecting tank into the sedimentation treatment unit.
Optionally, a first fine filtering net is arranged in the sedimentation tank, a second fine filtering net is arranged in the collection box and is used for further filtering rainwater entering the sedimentation tank and the collection box, and the mesh aperture of the first fine filtering net is larger than that of the second fine filtering net; the distance between the top of the overflow baffle and the tops of the sedimentation tank and the collection box is 0.3-0.5 m; the bottom of the collecting box is provided with a first lifting pump, and an outlet of the first lifting pump is connected with a pipeline leading to the purifying unit and used for inputting the rainwater in the collecting box into the purifying unit.
Optionally, the pipeline of the purification unit connected with the water storage unit extends to the bottom of the water storage unit, and is provided with a second slow flow head; and a second lifting pump is arranged at the bottom of the water storage unit, and an outlet of the second lifting pump is connected with a pipeline leading to the dispatching unit and used for inputting rainwater in the water storage unit into the dispatching unit.
Preferably, a first branch pipeline and a second branch pipeline are further connected in parallel on the pipeline between the water storage unit and the dispatching unit, the first branch pipeline is connected with a water inlet of a fountain pool of the living community, and the second branch pipeline is connected with a water inlet of a water system pool of the living community; and the water outlets of the fountain pool and the water system pool are respectively provided with a filter screen and are respectively connected with the sedimentation tank through a pipeline. The invention fully combines the public water using characteristics of the living community, if the living community is provided with a fountain pool, a water system pool or similar facilities, the water stored in the water storage unit can be used for the fountain pool and the water system pool, and because the water in the fountain pool and the water system pool is exposed in the natural environment and circularly flows, the water discharged from the fountain pool and the water system pool is introduced into the sedimentation tank, filtered and treated and then returned to the purification unit.
Optionally, the water collecting unit, the precipitation treatment unit, the purification unit, the water storage unit and the scheduling unit are respectively provided with a liquid level meter for monitoring the liquid level condition in each unit in real time and judging the transportation of rainwater among the units.
Optionally, the dispatch unit includes controlling means and first water pump, the water storage unit is passed through the pipe connection in the import of first water pump, and the exit linkage of first water pump sprays the pipeline, and controlling means communication connection and control the rainwater dispatch between rainwater volume control collecting box, purification unit and the water storage unit according to each unit of reality is controlled to the level gauge of first water pump, irrigation equipment, soil moisture content monitoring devices, first elevator pump, second elevator pump and every unit to and according to the lack of water condition of ground vegetation, the control uses the water of water storage unit to spray.
When the sedimentation treatment unit, the purification unit and the water storage unit adopt independent excavation of underground pits and independent operation, optionally, the sedimentation tank comprises a second cleaning well, the well head of the second cleaning well is located on the ground, the well body penetrates through the ground and extends into the sedimentation tank, and the well bottom of the second cleaning well extends to the upper part of the sedimentation tank, so that flocculates in the sedimentation tank can be cleaned in time conveniently, and the first fine filtering net is replaced; the collecting box comprises a first inspection well, the well mouth of the first inspection well is positioned on the ground, and the well body penetrates through the ground and extends to the bottom of the collecting box, so that technicians can conveniently enter the collecting box from the first inspection well for overhauling and maintenance; the water storage unit comprises a second inspection well, the well mouth of the second inspection well is located on the ground, the well body penetrates through the ground and extends to the bottom of the water storage unit, and technicians can conveniently enter the water storage unit from the second inspection well for overhauling and maintenance.
However, the underground planning and construction of the units in the public area of the living community not only increases the workload and cost of building design and civil engineering construction, but also causes additional expenditure of owners, community property or governments due to the independent operation of the recycling system, so that the recycling system is extremely difficult to popularize and cannot be widely applied. In order to solve the problems, the precipitation treatment unit, the purification unit and the water storage unit are all detachable and are arranged in an underground garage area of a living community, so that the civil engineering problem is solved. The detachable form of the sedimentation treatment unit, the purification unit and the water storage unit is selected from a flexible foldable pool body matched support frame form or a detachable plate frame splicing form.
Because the position of deposiing processing unit, purification unit and water storage unit all can artificial contact, is convenient for maintain, so need not to set up above-mentioned cleaning shaft and inspection shaft, further reduces the construction volume.
Optionally, a third branch pipeline is further connected in parallel to the pipeline between the water storage unit and the dispatching unit, the third branch pipeline is connected with a car washing device, and the car washing device is a telescopic spray pipe or a faucet;
the domestic community water collection and recycling system further comprises a car washing unit, wherein the car washing unit is located in the underground garage area and is preferably arranged near the water storage unit; the car washing unit comprises a collecting tank and a detachable filter plate at the top of the collecting tank, a second water pump is arranged at the middle upper part of the collecting tank, and an outlet of the second water pump is connected with the sedimentation tank through a pipeline and is used for inputting the water body in the collecting tank into the sedimentation tank for treatment; the bottom of the collecting water tank is of a bidirectional slope structure, so that sediment deposited at the bottom can be conveniently discharged.
Further optionally, the collecting basin is a cuboid to adapt to the shape of most vehicles and has four side walls connected in sequence: the first side wall and the third side wall are opposite in the width direction of the collecting water tank, and the second side wall and the fourth side wall are opposite in the length direction of the collecting water tank; the bidirectional slope structure is characterized in that the bottom of the pond below the first side wall is higher than the bottom of the pond below the third side wall, the bottom of the pond below the second side wall is higher than the bottom of the pond below the fourth side wall, so that the lowest position of the bottom of the pond is the connecting position of the third side wall and the fourth side wall, and a first sludge discharge port is arranged at the connecting position; the highest position of the pool bottom is the joint of the first side wall and the second side wall, and a first ejector is arranged at the joint and used for flushing silt in the collecting water pool to the first silt discharging port to be discharged.
At present, a general living community is not provided with special car washing facilities and places, the car holding capacity of residents is high, the price of professional car washing service is low, and car washing in the community is a good choice under the condition that residents are inconvenient to drive out for car washing. However, the public overground part of the modern residential area is divided into people and vehicles, so that a place for parking and washing the vehicles is difficult to find, and the underground garage is not provided with a special water source, so that the requirement of the residents for cleaning and washing the vehicles suggested by the residents cannot be met.
The three units are designed to be detachable, the space of the underground garage is fully utilized, the civil engineering cost is saved, rainfall is concentrated in summer all the year round in China, the rainfall is less in spring and autumn, the rainwater can be naturally absorbed by the land or naturally dried outdoors, a precipitation treatment unit, a purification unit and a water storage unit are not needed, the ground vegetation can be irrigated only after the treatment of the water collection unit, the rainfall is less in winter, therefore, the precipitation treatment unit, the purification unit, the water storage unit and supporting equipment thereof can be dismounted in spring and autumn, the space reserved by the underground garage can be used for renting seasonal temporary parking lots, and the economic loss of the underground garage occupied by the domestic community water collection recycling system is compensated; in summer, by using the precipitation treatment unit, the purification unit, the water storage unit, the car washing device and the third branch pipeline, the resident car can drive into the car washing unit and stop above the filter plate to independently and simply wash the car, and the car washing cost can make up the economic loss that the temporary parking place cannot be rented in summer.
Optionally, the sedimentation tank is in a form of a flexible and foldable tank body matched with a support frame, and the side wall, the bottom and the top of the tank body are provided with organ-shaped folds, namely the bottom in the tank body is provided with inverted herringbone folds which have a natural sludge storage function and store the sludge accumulated in the sedimentation tank;
the bottom of the side wall of the sedimentation tank body is provided with a sludge discharge device, the sludge discharge device comprises a plurality of telescopic push rods, hydraulic oil cylinders, a sludge discharge channel and a second ejector, the push rods are arranged at the bottom of one side wall, the tail parts of the push rods penetrate through the side wall and are connected with a connecting rod frame, the tail parts of the connecting rod frame are connected with telescopic ends of the hydraulic oil cylinders, and the hydraulic oil cylinders are arranged outside the sedimentation tank; each push rod corresponds to one sunken fold, the sludge discharge channel is arranged at the bottom of the side wall opposite to the push rod, the bottom of the sludge discharge channel is a plane, so that sludge is conveniently discharged without silting, and the sludge discharge channel is lower than other bottom surfaces with folds of the sedimentation tank; one end of the sludge discharge channel is provided with a second ejector, and the other end of the sludge discharge channel is provided with a second sludge discharge port.
Optionally, the mud storage pit on collecting the pond next door is all connected to first mud drainage mouth and second mud drainage mouth, the mud storage pit top is equipped with the apron, the apron with the ground of filter, underground garage flushes, and the vehicle of being convenient for is current.
Drawings
FIG. 1 is a schematic structural diagram of the domestic community water collection and recycling system;
FIG. 2 is a schematic view of the domestic community water collection and recycling system combined with an underground garage;
FIG. 3 is a side view of a settling pond;
fig. 4 is a schematic view of a connecting rod cradle.
In the attached drawings, 1-a water collecting unit, 2-a precipitation treatment unit, 3-a purification unit, 4-a water storage unit, 5-a scheduling unit, 6-a water collecting tank, 7-a sedimentation tank, 701-wrinkles, 702-a push rod, 703-a hydraulic oil cylinder, 704-a sludge discharge channel, 705-a second ejector, 706-a second sludge discharge port, 707-a connecting rod frame, 8-a collecting tank, 9-an overflow baffle, 10-a biochemical purification device, 11-a biochar adsorption device, 12-a disinfection device, 13-an irrigation device, 14-a spraying pipeline, 15-a soil moisture monitoring device, 16-a sewage interception hanging basket, 17-a first cleaning well, 18-a safe diversion well, 19-a first filtering fine net and 20-a second filtering fine net, 21-a second cleaning well, 22-a first inspection well, 23-a second inspection well, 24-a fountain pool, 25-a water system pool, 26-a third branch pipe, 27-a collection pool, 2701-a first side wall, 2702-a second side wall, 2703-a third side wall, 2704-a fourth side wall, 2705-a first mud discharge port, 2706-a first ejector, 28-a mud storage pit.
Detailed Description
The embodiment provides a domestic community water collection recycling system, as shown in fig. 1-4, which includes a water collection unit 1, a precipitation treatment unit 2, a purification unit 3, a water storage unit 4 and a scheduling unit 5, which are connected in sequence;
the water collecting unit 1 comprises overground vegetation and an underground water collecting tank 6, the precipitation treatment unit 2 comprises a sedimentation tank 7 and a collection box 8, an overflow baffle 9 is arranged between the sedimentation tank 7 and the collection box 8, the water collecting tank 6 is connected with the sedimentation tank 7 through a pipeline, and the collection box 8 is connected with the purification unit 3 through a pipeline;
the purification unit 3 comprises a biochemical purification device 10, a biochar adsorption device 11 and a disinfection device 12; the water storage unit 4 is connected with the dispatching unit 5 through a pipeline, the dispatching unit 5 is connected with an irrigation device 13 paved at the vegetation position on the ground through a spraying pipeline 14, and the dispatching unit 5 takes water from the water storage unit 4 to irrigate the vegetation on the ground according to the demand of the vegetation on the ground.
Optionally, the water collecting unit 1 comprises an overground part and an underground part, the overground part comprises overground vegetation and an irrigation device 13 and a soil moisture monitoring device 15 which are distributed on the overground vegetation, the underground part comprises a water collecting tank 6, and a sewage intercepting hanging basket 16 is arranged on the middle upper part of the water collecting tank 6 and used for primarily filtering collected rainwater.
Further optionally, the irrigation device 13 is a plurality of nozzles, and is uniformly distributed in the area of the ground vegetation; the probes of the soil moisture monitoring device 15 are also evenly distributed in the area of the ground vegetation.
Preferably, the water collecting unit 1 further comprises a first cleaning well 17, a well head of the first cleaning well 17 is located on the ground, a well bore penetrates through the ground and extends into the water collecting tank 6, and a well bottom of the first cleaning well 17 can extend to the upper side of the sewage intercepting hanging basket 16 and can also extend to the bottom of the water collecting tank 6, so that the inside of the water collecting tank 6 can be cleaned conveniently.
Optionally, a water outlet of the water collecting tank 6 is connected with the scheduling unit 5 through a pipeline, and when rainwater is less, the filtered water is directly used for irrigating ground vegetation.
Optionally, a safe diversion well 18 is arranged between the water collecting unit 1 and the precipitation processing unit 2, the safe diversion well 18 is provided with a water inlet and two water outlets, the water inlet of the safe diversion well 18 is connected with the water outlet of the water collecting tank 6 through a pipeline, and one water outlet of the safe diversion well 18 is connected with a municipal pipe network through a pipeline, so that when the heavy rainstorm occurs and the domestic community water collecting recycling system cannot bear excessive rainwater, rainwater collected by the water collecting tank 6 is quickly guided into the municipal pipe network, and waterlogging of the domestic community is prevented; the other water outlet of the safe diversion well 18 is connected with the sedimentation tank 7 through a pipeline and is used for inputting the sewage collected by the water collecting tank 6 into the sedimentation treatment unit 2.
Optionally, the level of the water collecting tank 6 is lower than that of the sedimentation tank 7, so that automatic rainwater conveying can be realized without a water pump, and equipment and energy consumption cost are saved.
Optionally, a first fine filtering net 19 is arranged in the sedimentation tank 7, a second fine filtering net 20 is arranged in the collection box 8 and is used for further filtering rainwater entering the sedimentation tank 7 and the collection box 8, and the mesh aperture of the first fine filtering net 19 is larger than that of the second fine filtering net 20; the distance between the top of the overflow baffle 9 and the tops of the sedimentation tank 7 and the collection box 8 is 0.3-0.5m, so that the filtered and precipitated rainwater in the sedimentation tank 7 overflows to the collection box 8; the bottom of the collecting box 8 is provided with a first lift pump, and the outlet of the first lift pump is connected with a pipeline leading to the purification unit 3 and used for inputting the rainwater in the collecting box 8 into the purification unit 3.
Optionally, the bottom of the pipeline of the sedimentation tank 7 connected to the safe diversion well 18 extends to the bottom of the sedimentation tank 7, and a first flow slowing head is arranged for slowing down the flow rate of rainwater entering the sedimentation tank 7 from the safe diversion well 18 to smooth the water flow state.
Preferably, a first fine filtering net 19 is arranged at the middle lower part of the sedimentation tank 7, and a second fine filtering net 20 is arranged at the middle upper part of the collecting tank 8. Rainwater collected by the water collecting tank 6 is injected into the bottom of the sedimentation tank 7 through the safety diversion well 18, solid pollutants in the rainwater are filtered through the first filtering fine net 19 under the action of self gravity to obtain clearer rainwater, and the rainwater rises continuously and overflows to the collecting tank 8 when reaching the top of the overflow baffle 9; rainwater enters the collecting box 8 and is filtered again through the second filtering fine net 20, and the obtained clearer rainwater is collected at the bottom of the collecting box 8.
Optionally, the purification unit 3 is internally provided with the biochemical purification device 10, the biochar adsorption device 11 and the disinfection device 12 in sequence, so that rainwater entering the purification unit 3 passes through the biochemical purification device 10, the biochar adsorption device 11 and the disinfection device 12 in sequence to be subjected to deep purification treatment; aerobic microorganisms such as nitrobacteria, nitrite bacteria and the like are arranged in the biochemical purification device 10 and used for degrading ammonia nitrogen in rainwater, an aeration pipe is arranged at the bottom of the biochemical purification device 10 and connected with an air pump, oxygen is supplemented for the biochemical purification device 10, and the air pump can be arranged on the scheduling unit 5 or on the ground or nearby in an underground garage; a biological carbon adsorption filler, such as straw biological carbon, sludge biological carbon and the like, is arranged in the biological carbon adsorption device 11 and is used for adsorbing organic and inorganic pollutants in rainwater; the automatic disinfectant adding device is arranged outside the disinfection device 12, a proper amount of disinfectant can be added into the disinfection device 12 according to the flow of rainwater, and the disinfectant can be general municipal pipe network disinfectant, so that the disinfected rainwater reaches the standard of reclaimed water reuse.
Optionally, a pipeline of the purification unit 3 connected to the water storage unit 4 extends to the bottom of the water storage unit 4, and is provided with a second slow flow head; and a second lifting pump is arranged at the bottom of the water storage unit 4, and an outlet of the second lifting pump is connected with a pipeline communicated with the dispatching unit 5 and used for inputting rainwater in the water storage unit 4 into the dispatching unit 5.
Preferably, a first branch pipeline and a second branch pipeline are further connected in parallel on the pipeline between the water storage unit 4 and the dispatching unit 5, the first branch pipeline is connected with a water inlet of a fountain pool 24 of a living community, and the second branch pipeline is connected with a water inlet of a water system pool 25 of the living community; the water outlets of the fountain water tank 24 and the water system water tank 25 are both provided with filter screens and are connected with the sedimentation tank 7 through pipelines.
Optionally, the water storage amount of the water storage unit 4 is not less than the water storage amount of the collection tank 8.
Optionally, the water collecting unit 1, the precipitation processing unit 2, the purifying unit 3, the water storage unit 4 and the dispatching unit 5 are respectively provided with a liquid level meter for monitoring the liquid level condition in each unit in real time and judging the transportation of rainwater among units.
Optionally, the dispatch unit 5 includes controlling means and first water pump, the water storage unit 4 is passed through the pipe connection in the import of first water pump, the exit linkage of first water pump spray pipeline 14, controlling means communication connection and control first water pump, irrigation equipment 13, soil moisture content monitoring devices 15, first elevator pump, second elevator pump and the level gauge of every unit, control the rainwater dispatch between collecting box 8, purification unit 3 and the water storage unit 4 according to the rainwater volume of each unit of reality to and according to the lack of water condition of ground vegetation, the control uses the water of water storage unit 4 to spray.
When the sedimentation treatment unit 2, the purification unit 3 and the water storage unit 4 are independently excavated and operated, optionally, the sedimentation tank 7 comprises a second cleaning well 21, the well head of the second cleaning well 21 is located on the ground, the well body penetrates through the ground and extends into the sedimentation tank 7, and the well bottom of the second cleaning well 21 extends to the upper part of the sedimentation tank 7, so that flocculates in the sedimentation tank 7 can be cleaned in time, and the first filtering fine net 19 is replaced; the collecting box 8 comprises a first inspection well 22, the wellhead of the first inspection well 22 is positioned on the ground, and the well body penetrates through the ground and extends to the bottom of the collecting box 8, so that technicians can conveniently enter the collecting box 8 from the first inspection well 22 for maintenance; the water storage unit 4 comprises a second inspection well 23, the well mouth of the second inspection well 23 is located on the ground, and the well body penetrates through the ground and extends to the bottom of the water storage unit 4, so that technicians can conveniently enter the water storage unit 4 from the second inspection well 23 for maintenance.
The sedimentation treatment unit 2, the purification unit 3 and the water storage unit 4 are all detachable and are arranged in an underground garage area of a living community, so that the civil engineering problem is solved. The detachable form of the sedimentation treatment unit 2, the purification unit 3 and the water storage unit 4 is selected from a flexible foldable pool body matched support frame form or a detachable plate frame splicing form.
Optionally, a third branch pipeline 26 is further connected in parallel to the pipeline between the water storage unit 4 and the dispatching unit 5, the third branch pipeline 26 is connected to a car washing device, and the car washing device is a telescopic spray pipe or a faucet;
the domestic community water collection recycling system further comprises a car washing unit, wherein the car washing unit is located in an underground garage area and is preferably arranged near the water storage unit 4; the car washing unit comprises a collecting water tank 27 and a detachable filter plate at the top of the collecting water tank 27, a second water pump is arranged at the middle upper part of the collecting water tank 27, and the outlet of the second water pump is connected with the sedimentation tank 7 through a pipeline and is used for inputting the water body in the collecting water tank 27 into the sedimentation tank 7 for treatment; the bottom of the collecting water tank 27 is of a bidirectional slope structure, so that sediment deposited at the bottom can be conveniently discharged.
Further optionally, the collecting basin 27 is a cuboid to adapt to the shape of most vehicles and has four side walls connected in series: a first sidewall 2701, a second sidewall 2702, a third sidewall 2703, and a fourth sidewall 2704, the first sidewall 2701 and the third sidewall 2703 being opposed in the width direction of the collection water tank 27, and the second sidewall 2702 and the fourth sidewall 2704 being opposed in the length direction of the collection water tank 27; the bidirectional slope structure is characterized in that the bottom of the pond below the first side wall 2701 is higher than the bottom of the pond below the third side wall 2703, the bottom of the pond below the second side wall 2702 is higher than the bottom of the pond below the fourth side wall 2704, so that the lowest position of the bottom of the pond is the joint of the third side wall 2703 and the fourth side wall 2704, and a first sludge discharge port 2705 is arranged at the joint; the highest point of the pool bottom is the joint of the first side wall 2701 and the second side wall 2702, and a first ejector 2706 is arranged at the joint and is used for flushing silt in the collecting pool 27 to a first silt discharging port 2705 for discharging. Since the water quality requirement of the washing water is not high, the inlet of the first injector 2706 is connected to the collection tank 8, i.e. the collection basin 27 is flushed with the stored water of the collection tank 8.
Optionally, the sedimentation tank 7 is in the form of a flexible and foldable tank body matched with a support frame, and the side wall, the bottom and the top of the tank body are all provided with accordion folds 701, that is, the bottom in the tank body is provided with inverted herringbone folds 701, and the folds 701 have a natural mud storage function and store mud and sand accumulated in the sedimentation tank 7;
a sludge discharge device is arranged at the bottom of the side wall of the sedimentation tank 7 and comprises a plurality of telescopic push rods 702, hydraulic oil cylinders 703, a sludge discharge channel 704 and a second ejector 705, the push rods 702 are arranged at the bottom of one side wall, the tail parts of the push rods 702 penetrate through the side wall and are connected with connecting rod frames 707, the tail parts of the connecting rod frames 707 are connected with the telescopic ends of the hydraulic oil cylinders 703, and the hydraulic oil cylinders 703 are arranged outside the sedimentation tank 7; each push rod 702 corresponds to one concave fold 701, the sludge discharge channel 704 is arranged at the bottom of the side wall opposite to the push rod 702, the bottom of the sludge discharge channel 704 is a plane, so that sludge is not deposited, and the sludge discharge channel 704 is lower than the other bottom surfaces of the sedimentation tank 7 with the folds 701; one end of the sludge discharge channel 704 is provided with a second ejector 705, and the other end is provided with a second sludge discharge port 706.
Optionally, a vertical push plate is arranged at the head of the push rod 702, and the vertical push plate has the same shape as the shape of the concave fold 701 and a slightly smaller size, so that sludge in the fold 701 can be scraped off conveniently.
Optionally, the head of the connecting rod frame 707 is a plurality of horizontal rods arranged side by side, the head of each horizontal rod is correspondingly connected with the tail of one push rod 702, the tails of the horizontal rods are all fixed on the main rod, and the main rod is connected with the telescopic end of the hydraulic cylinder 703, so that one hydraulic cylinder 703 can be used for controlling the extension of one row of push rods 702 at the same speed, the equipment cost is saved, and the control complexity is reduced.
Optionally, since the requirement for the water quality of the washing water is not high, the water inlet of the second ejector 705 is connected to the collection box 8, that is, the sedimentation tank 7 is washed by the water stored in the collection box 8.
Optionally, the first sludge discharge port 2705 and the second sludge discharge port 706 are connected to the sludge storage pit 28 beside the water collecting tank 27, and since sludge discharge of the sedimentation tank 7 and the water collecting tank 27 is intermittent, sludge discharge is only required to be performed several times in summer according to rainwater pollution and vehicle washing conditions, so that only the sludge storage pit needs to be manually cleaned for 1-2 times a year, and the cleaned sludge is used for cultivating vegetation on the ground without additionally generating solid waste. The top of the mud storage pit 28 is provided with a cover plate which is flush with the filter plate and the ground of the underground garage, so that vehicles can pass conveniently.
The rainwater collection, filtration, treatment and recycling are combined with the infrastructure of a living community, the consideration of saving occupied area and building cost is taken into consideration, the filtration, treatment and recycling treatment are combined with the underground garage, the purpose of water stored in the water storage unit 4 is expanded, the problem of simple vehicle washing of residents is solved, and the economic benefits of property industry, owners and governments are ensured.
Claims (10)
1. A domestic community water collection recycling system is characterized by comprising a water collection unit, a precipitation treatment unit, a purification unit, a water storage unit and a scheduling unit which are sequentially connected;
the water collecting unit comprises overground vegetation and an underground water collecting tank, the sedimentation treatment unit comprises a sedimentation tank and a collecting tank, an overflow baffle is arranged between the sedimentation tank and the collecting tank, the water collecting tank is connected with the sedimentation tank through a pipeline, and the collecting tank is connected with the purification unit through a pipeline;
the purification unit comprises a biochemical purification device, a biochar adsorption device and a disinfection device; the water storage unit is connected with the scheduling unit through a pipeline, the scheduling unit is connected with an irrigation device paved at the above-ground vegetation through a spraying pipeline, and the scheduling unit takes water from the water storage unit according to the demand of the above-ground vegetation to irrigate the above-ground vegetation.
2. The recycling system of claim 1, wherein the water collecting unit comprises an overground part and an underground part, the overground part comprises overground vegetation and an irrigation device and a soil moisture monitoring device which are distributed on the overground vegetation, the underground part comprises a water collecting tank, and the middle upper part of the water collecting tank is provided with a sewage intercepting hanging basket for primarily filtering collected rainwater.
3. The recycling system of claim 2, wherein a safety diversion well is disposed between the water collection unit and the precipitation treatment unit, the safety diversion well has a water inlet and two water outlets, the water inlet of the safety diversion well is connected to the water outlet of the water collection tank through a pipeline, one water outlet of the safety diversion well is connected to a municipal pipe network through a pipeline, and the other water outlet of the safety diversion well is connected to the precipitation tank through a pipeline, and is used for inputting the sewage collected by the water collection tank into the precipitation treatment unit.
4. The recycling system according to claim 3, wherein a first filtering fine net is arranged in the sedimentation tank, a second filtering fine net is arranged in the collection tank for further filtering the rainwater entering the sedimentation tank and the collection tank, and the mesh aperture of the first filtering fine net is larger than that of the second filtering fine net;
the distance between the top of the overflow baffle and the tops of the sedimentation tank and the collection box is 0.3-0.5 m;
the bottom of the collecting box is provided with a first lifting pump, and the outlet of the first lifting pump is connected with a pipeline leading to the purifying unit.
5. The recycling system of claim 4, wherein the pipeline between the water storage unit and the dispatching unit is further provided with a first branch pipeline and a second branch pipeline in parallel, the first branch pipeline is connected with a water inlet of a fountain pool of a living community, and the second branch pipeline is connected with a water inlet of a water system pool of the living community; and the water outlets of the fountain pool and the water system pool are respectively provided with a filter screen and are respectively connected with the sedimentation tank through a pipeline.
6. The recycling system according to claim 5, wherein the sedimentation treatment unit, the purification unit and the water storage unit are all detachable and are arranged in an underground garage area of a living community; the detachable form of the sedimentation treatment unit, the purification unit and the water storage unit is selected from a flexible foldable pool body matched support frame form or a detachable plate frame splicing form.
7. The recycling system of claim 6, wherein a third branch pipeline is connected in parallel to the pipeline between the water storage unit and the dispatching unit, and is connected to a car washing device, wherein the car washing device is a telescopic spray pipe or a faucet;
the domestic community water collection and recycling system further comprises a car washing unit, and the car washing unit is located in an underground garage area; the car washing unit comprises a collecting tank and a detachable filter plate at the top of the collecting tank, a second water pump is arranged at the middle upper part of the collecting tank, and the outlet of the second water pump is connected with the sedimentation tank through a pipeline; the bottom of the collecting water tank is of a bidirectional slope structure, so that sediment deposited at the bottom can be conveniently discharged.
8. The recycling system according to claim 7, wherein the collecting basin is a rectangular parallelepiped and has a first side wall, a second side wall, a third side wall and a fourth side wall connected in sequence, the first side wall and the third side wall being opposite in a width direction of the collecting basin, and the second side wall and the fourth side wall being opposite in a length direction of the collecting basin;
the bidirectional slope structure is that the bottom of the pond below the first side wall is higher than the bottom of the pond below the third side wall, the bottom of the pond below the second side wall is higher than the bottom of the pond below the fourth side wall, so that the lowest position of the bottom of the pond is the connecting position of the third side wall and the fourth side wall, and a first sludge discharge port is arranged at the connecting position; the highest position of the pool bottom is the joint of the first side wall and the second side wall, and a first ejector is arranged at the joint and used for flushing silt in the collecting pool to the first silt discharging port for discharging.
9. The recycling system according to claim 8, wherein the sedimentation tank is in the form of a flexible and foldable tank body fitted with a support frame, the tank body having accordion folds in the side walls, bottom and top, the tank body having inverted chevron folds in the bottom, the folds storing silt accumulated in the sedimentation tank;
the bottom of the side wall of the sedimentation tank body is provided with a sludge discharge device, the sludge discharge device comprises a plurality of telescopic push rods, hydraulic oil cylinders, a sludge discharge channel and a second ejector, the push rods are arranged at the bottom of one side wall, the tail parts of the push rods penetrate through the side wall and are connected with a connecting rod frame, the tail parts of the connecting rod frame are connected with telescopic ends of the hydraulic oil cylinders, and the hydraulic oil cylinders are arranged outside the sedimentation tank; each push rod corresponds to one sunken fold, the sludge discharge channel is arranged at the bottom of the side wall opposite to the push rod, the bottom of the sludge discharge channel is a plane, so that sludge is conveniently discharged without silting, and the sludge discharge channel is lower than other bottom surfaces with the folds of the sedimentation tank; one end of the sludge discharge channel is provided with a second ejector, and the other end of the sludge discharge channel is provided with a second sludge discharge port.
10. The recycling system according to claim 9, wherein the first and second sludge discharge ports are each connected to a sludge storage pit beside the collection basin.
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| CN202210559533.8A CN114751602A (en) | 2022-05-23 | 2022-05-23 | Water collection and recycling system for living community |
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| CN202210559533.8A CN114751602A (en) | 2022-05-23 | 2022-05-23 | Water collection and recycling system for living community |
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