CN112982563A - Sponge urban rainwater collecting and processing system and rainwater collecting and processing method - Google Patents
Sponge urban rainwater collecting and processing system and rainwater collecting and processing method Download PDFInfo
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- CN112982563A CN112982563A CN202110304091.8A CN202110304091A CN112982563A CN 112982563 A CN112982563 A CN 112982563A CN 202110304091 A CN202110304091 A CN 202110304091A CN 112982563 A CN112982563 A CN 112982563A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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- 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
Abstract
The invention provides a sponge urban rainwater collecting and processing system and a rainwater collecting and processing method, and relates to the technical field of urban rainwater collecting and processing systems. The sponge city rainwater collecting and processing system comprises a rainwater collecting pipe network, a sand sinking diversion well, a rainwater pretreatment machine room, a PP module rainwater storage tank, a rainwater ground-burying integrated machine, a PP module clean water tank and a ground control cabinet, wherein the rainwater collecting pipe network, the sand sinking diversion well, the rainwater pretreatment machine room, the PP module rainwater storage tank, the rainwater ground-burying integrated machine and the PP module clean water tank are sequentially connected through connecting pipes. The invention provides a sponge urban rainwater collecting and processing system and a rainwater collecting and processing method, which collect rainwater and reuse the rainwater for irrigation, toilet flushing, vehicle flushing, fire fighting water supply, landscape water supplement and the like, can save tap water, reduce the cost of water treatment, relieve the shortage of water resources and effectively protect the water resources.
Description
Technical Field
The invention relates to the technical field of urban rainwater collecting and processing systems, in particular to a sponge urban rainwater collecting and processing system and a rainwater collecting and processing method.
Background
Along with the rapid growth of population and the high-speed development of economy, water resource shortage and pollution become the problems facing the whole world, the increase of the urbanization process enables the pavement area of hard pavements and the building density in cities to be continuously increased, the runoff flow rate on the surface of the cities is increased, the infiltration amount is reduced, flooding is frequent, harm is aggravated, initial runoff rainwater contains a large amount of impurities and is directly discharged into water bodies, the water pollution condition is serious, the treated rainwater can be used for urban greening, road spraying and the like in an open-source throttling mode, underground water can be replenished in a permeation mode, rainwater runoff pollution is controlled, the urban ecological environment is improved, the sustainable development of economy and society is achieved, and therefore rainwater is collected and utilized as important water resources, and the method becomes an important way for solving the shortage of water resources and reducing the rainwater runoff pollution.
At present, the rainwater collection and utilization system of the Chinese city is still in the early stage, the rainwater utilization technology is still relatively lagged behind, the systematicness is lacked, the concept of the sponge city provides a comprehensive scheme of the rainwater collection and utilization system, and a new challenge is provided for traditional rainwater collection.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a rainwater collection and treatment system and a rainwater collection and treatment method for sponge cities, and solves the problems that the rainwater collection and utilization system of the cities in China is still in the early stage, the rainwater utilization technology is still lagged and lacks systematicness, the construction projects of the sponge cities in China are still just started, and the process technology, the capital and the project implementation still do not reach the standards for constructing the sponge cities in developed countries.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a sponge city rainwater collecting and processing system and a rainwater collecting and processing method comprise a rainwater collecting pipe network, a sand sinking diversion well, a rainwater pretreatment machine room, a PP module rainwater reservoir, a rainwater ground burying integrated machine, a PP module clean water pool and a ground control cabinet, wherein the rainwater collecting pipe network, the sand sinking diversion well, the rainwater pretreatment machine room, the PP module rainwater reservoir, the rainwater ground burying integrated machine and the PP module clean water pool are sequentially connected through connecting pipes, effective sealing treatment is carried out at each connecting port, and the rainwater collecting pipe network, the sand sinking diversion well, the rainwater pretreatment machine room, the PP module rainwater reservoir, the rainwater ground burying integrated machine and the PP module clean water pool are controlled through the ground control cabinet;
the rainwater collecting pipe network is a connecting network consisting of pipelines for collecting rainwater, and can effectively collect rainwater;
the sand settling and distributing well is used for connecting the upstream rainwater well, the rainwater collecting equipment and the downstream rainwater well, and performing sand settling operation and safe distribution on the collected rainwater;
the rainwater pretreatment machine room adopts a device machine room with a modular design, and can carry out a series of treatments such as sewage interception, flow abandonment, composite flow, precise filtration and the like on the early stage of rainwater collection;
the PP module rainwater reservoir can be used for intensively collecting and storing rainwater collected at the upstream and subjected to primary treatment, and can be used for irrigation, road flushing, car washing and the like;
the rainwater underground all-in-one machine is a small rainwater purification terminal, integrates a multi-medium filter, an automatic medicine adding sterilizer, an aeration fan, a diaphragm air pressure tank, pollution discharge and waterlogging drainage, and can purify the collected rainwater so as to purify the rainwater for greening irrigation, toilet flushing, road flushing and the like;
the PP module clean water tank is used for collecting and storing rainwater purified by the rainwater underground all-in-one machine so as to be used as water for greening irrigation, toilet flushing, road flushing and the like by users.
Preferably, the collecting pipes of the rainwater collecting pipe network are arranged on the ground in a staggered manner.
Preferably, the desilting diversion well is connected with an outdoor rainwater collecting and discharging pipeline through a pipeline, and the outdoor rainwater collecting and discharging pipeline is connected with a downstream rainwater well through a pipeline.
Preferably, the rainwater pretreatment machine room comprises a sewage interception device, an automatic flow discarding device, a rainwater composite flow device and a precise filtering device, and all the devices are connected in sequence through connecting pipelines.
Preferably, the PP module rainwater cistern is spliced each other by a plurality of rainwater collection module and forms to the inside upper and lower connection of each rainwater collection module is all fixed through the buckle, carries out interconnect through controlling the buckle and upper and lower locator card post between module and the module, the rainwater collection module is added the additive preparation by one-level recovery material PP and is formed.
Preferably, the rainwater underground all-in-one machine is internally and fixedly provided with a multi-media filter, an automatic dosing sterilizer, an ultraviolet disinfection lamp, an aeration fan, a diaphragm air pressure tank and other equipment, the upper end of the rainwater underground all-in-one machine is provided with a top cover plate, and the rainwater underground all-in-one machine is made of glass fiber reinforced plastics, stainless steel or carbon steel and other materials.
Preferably, rain pretreatment of water computer lab, PP module rainwater cistern and rainwater bury all fixed access hole and the viewing aperture of being provided with in all the upper ends of the all-in-one, inside all fixed escalators about being provided with of access hole and viewing aperture.
Preferably, bury all-in-one rainwater and can adopt buried rainwater processing central office to replace, buried rainwater processing central office is inside to be fixed to be provided with equipment such as full-automatic filtration equipment, automatic flocculation charge device, ultraviolet ray degassing unit, automatic water supply device, constant voltage water supply equipment cistern back flush unit, aeration fan, buried rainwater processing central office's outer box adopts carbon steel or SUS304 stainless steel to form through welding preparation to do anticorrosive treatment through degree of depth epoxy coal pitch.
A sponge urban rainwater collecting and processing system and a rainwater collecting and processing method are characterized in that: the method comprises the following collection treatment processes:
s1, during raining, rainwater enters a surface rainwater collecting pipe network through rainfall runoff collected on hardened surfaces of roads, squares and the like, and primary collection is carried out through the surface rainwater collecting pipe network;
s2, enabling rainwater collected by the surface rainwater collecting pipe network in the step S1 to flow into the desilting diversion well, performing desilting and diversion in the desilting diversion well, enabling rainwater flowing in the part of the desilting diversion well to flow into an outdoor rainwater collecting and discharging pipeline and then flow into a downstream rainwater well;
s3, enabling the rainwater subjected to sand settling of the sand settling diversion well in the step S2 to flow into a rainwater pretreatment machine room, then performing a series of treatments such as sewage interception, flow abandoning, composite flow, precise filtration and the like, and enabling the rainwater subjected to flow abandoning to flow into a municipal sewage well;
s4, enabling the rainwater treated by the rainwater pretreatment machine room in the step S3 to flow into a PP module rainwater reservoir, enabling water stored in the PP module rainwater reservoir to be used for irrigation, road washing, car washing and the like, and enabling the water to flow into a river channel after the PP module rainwater reservoir is full;
s5, allowing a part of rainwater stored in the rainwater reservoir of the PP module to flow into the rainwater underground all-in-one machine, and performing a series of purification treatment to enable the purified rainwater to be used as water for greening irrigation, toilet flushing, road flushing and the like;
s6, the rainwater purified by the rainwater underground all-in-one machine in the step S5 flows into a PP module clean water tank for storage, and can reach a water using point through a water outlet pipeline so as to be used by a user.
(III) advantageous effects
The invention provides a sponge urban rainwater collecting and processing system and a rainwater collecting and processing method. The method has the following beneficial effects:
1. the invention provides a sponge urban rainwater collecting and treating system and a rainwater collecting and treating method, wherein the system collects rainwater and is used for irrigation, toilet flushing, vehicle flushing, fire fighting water supply, landscape water supplement and the like, tap water can be saved, water treatment cost is reduced, shortage of water resources is relieved, and water resources can be effectively protected.
2. The invention provides a sponge city rainwater collecting and treating system and a rainwater collecting and treating method, which adopt a systematic flow rainwater collecting, treating and purifying method to ensure that the rainwater treatment effect is good, the treatment cost is low, and the system has high environmental benefit and ecological benefit, and is a series of sponge city low-influence rainwater utilization system development processes from source control to process optimization and then collection and reuse, thereby realizing the purposes of waterlogging prevention, decontamination and rainwater recycling, and having better use effect.
3. The invention provides a sponge city rainwater collecting and treating system and a sponge city rainwater collecting and treating method, wherein the product equipment adopted in the system is flexible in design, can be combined randomly according to requirements, is not limited by sites, is long in service life, convenient to construct, short in construction period, convenient to transport, strong in structural bearing capacity, more environment-friendly and lower in cost.
4. The invention provides a sponge city rainwater collecting and treating system and a sponge city rainwater collecting and treating method, all equipment in the system can be directly buried underground, the greening area is not occupied, pre-debugging is carried out before all the equipment leaves the factory, the technical difficulties of water leakage, pipeline connection and the like in the construction process are solved, the later maintenance is simpler and more convenient, the cost performance is high, the construction cost of a concrete basement is saved, and the service life is longer.
Drawings
FIG. 1 is a schematic structural view of a rainwater collection and treatment system according to the present invention;
fig. 2 is a flow chart of a rainwater collection and treatment method of the invention.
Wherein, 1, a rainwater collecting pipe network; 2. a desilting diversion well; 3. a rainwater pretreatment machine room; 4. a PP module rainwater reservoir; 5. the rainwater underground all-in-one machine; 6. a PP module clean water tank; 7. a ground control cabinet.
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.
Example (b):
as shown in fig. 1-2, an embodiment of the invention provides a sponge city rainwater collection and treatment system and a rainwater collection and treatment method, the system comprises a rainwater collection pipe network 1, a sand settling diversion well 2, a rainwater pretreatment machine room 3, a PP module rainwater storage tank 4, a rainwater underground all-in-one machine 5, a PP module clean water tank 6 and a ground control cabinet 7, the rainwater collection pipe network 1, the sand settling diversion well 2, the rainwater pretreatment machine room 3, the PP module rainwater storage tank 4, the rainwater underground all-in-one machine 5 and the PP module clean water tank 6 are sequentially connected through connecting pipes, effective sealing treatment is carried out at each connecting port, and the rainwater collection pipe network 1, the sand settling diversion well 2, the rainwater pretreatment machine room 3, the PP module rainwater storage tank 4, the rainwater underground all-in-one machine 5 and the PP module clean water tank 6 are controlled by the ground control cabinet 7;
the rainwater collecting pipe network 1 is a connecting network formed by pipelines used for collecting rainwater, and can effectively collect rainwater;
the sand settling and distributing well 2 is used for connecting an upstream rainwater well, rainwater collecting equipment and a downstream rainwater well, and performing sand settling operation and safe distribution on the collected rainwater;
the rainwater pretreatment machine room 3 adopts a device machine room with a modular design, and can perform a series of treatments such as sewage interception, flow abandonment, composite flow, precise filtration and the like on the early stage of rainwater collection;
the PP module rainwater reservoir 4 can be used for collecting and storing rainwater collected at the upstream and subjected to primary treatment in a centralized manner, and can be used for irrigation, road flushing, car washing and the like;
the rainwater underground all-in-one machine 5 is a small rainwater purification terminal, integrates a multi-media filter, an automatic dosing sterilizer, an aeration fan, a diaphragm air pressure tank, pollution discharge and waterlogging drainage, and can purify the collected rainwater, so that the rainwater is purified for greening irrigation, flushing toilets, road flushing and the like;
and the PP module clean water tank 6 is used for collecting and storing the rainwater purified by the rainwater underground all-in-one machine 5 so as to be used as water for greening irrigation, toilet flushing, road flushing and the like by users.
The collecting pipelines of the rainwater collecting pipe network 1 are arranged at the ground end in a staggered manner.
The desilting diversion well 2 is connected with an outdoor rainwater collecting and discharging pipeline through a pipeline, and the outdoor rainwater collecting and discharging pipeline is connected with a downstream rainwater well through a pipeline.
The rainwater pretreatment machine room 3 is internally provided with a sewage interception device, an automatic flow discarding device, a rainwater composite flow device and a precise filtering device, and all the devices are sequentially connected through connecting pipelines.
PP module rainwater cistern 4 is formed by splicing a plurality of rainwater collection module each other to the connection all fixes through the buckle about each rainwater collection module is inside, carries out interconnect through controlling the buckle and upper and lower locator card post between module and the module, and the rainwater collection module is added the additive preparation by one-level recovery material PP and is formed.
The rainwater underground all-in-one machine 5 is internally and fixedly provided with a multi-media filter, an automatic dosing sterilizer, an ultraviolet disinfection lamp, an aeration fan, a diaphragm air pressure tank and other equipment, the upper end of the rainwater underground all-in-one machine is provided with a top cover plate, and the rainwater underground all-in-one machine 5 is made of glass fiber reinforced plastics, stainless steel or carbon steel and other materials.
Rain pretreatment of water computer lab 3, PP module rainwater cistern 4 bury 5 upper ends of all-in-one with the rainwater and all fix and be provided with access hole and viewing aperture, inside all fixed escalators about being provided with of access hole and viewing aperture.
The rainwater underground integrated machine 5 can be replaced by an underground rainwater treatment central machine room, equipment such as full-automatic filtering equipment, an automatic flocculation dosing device, an ultraviolet disinfection device, an automatic water replenishing device, a constant-pressure water supply equipment reservoir backwashing device, an aeration fan and the like are fixedly arranged inside the underground rainwater treatment central machine room, an outer box body of the underground rainwater treatment central machine room is made of carbon steel or SUS304 stainless steel through welding, and is subjected to corrosion prevention treatment through deep epoxy coal tar pitch.
A sponge urban rainwater collecting and processing system and a rainwater collecting and processing method comprise the following collecting and processing processes:
s1, during raining, rainwater enters a surface rainwater collecting pipe network 1 through rainfall runoff collected on hardened surfaces of roads, squares and the like, and primary confluence collection is carried out by the surface rainwater collecting pipe network 1;
s2, enabling rainwater collected by the surface rainwater collecting pipe network 1 in the step S1 to flow into the desilting diversion well 2, performing desilting and diversion in the desilting diversion well 2, enabling rainwater diverted in the desilting diversion well 2 to flow into an outdoor rainwater collecting and discharging pipeline and then flow into a downstream rainwater well;
s3, allowing the rainwater subjected to sand settling through the sand settling diversion well 2 in the step S2 to flow into the rainwater pretreatment machine room 3, performing a series of treatments such as sewage interception, flow abandoning, composite flow and precise filtering, and allowing the rainwater subjected to flow abandoning to flow into a municipal sewage well;
s4, the rainwater treated by the rainwater pretreatment machine room 3 in the step S3 flows into the PP module rainwater storage tank 4, the water stored in the PP module rainwater storage tank 4 can be used for irrigation, road flushing, car washing and the like, and the water flows into a river channel after the PP module rainwater storage tank 4 is full;
s5, allowing a part of rainwater stored in the PP module rainwater reservoir 4 to flow into the rainwater underground all-in-one machine 5, and performing a series of purification treatment to enable the purified rainwater to be used as water for greening irrigation, toilet flushing, road flushing and the like;
s6, the rainwater purified by the rainwater underground all-in-one machine 5 in the step S5 flows into the PP module clean water tank 6 for storage, and can reach a water using point through a water outlet pipeline for a user to use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a sponge city rainwater collection processing system and rainwater collection processing method, this system includes rainwater collection pipe network (1), desilting reposition of redundant personnel well (2), rainwater preliminary treatment computer lab (3), PP module rainwater cistern (4), rainwater bury all-in-one (5), PP module clean water basin (6) and ground control cabinet (7), its characterized in that: the rainwater collection pipe network (1), the sand settling and diversion well (2), the rainwater pretreatment machine room (3), the PP module rainwater reservoir (4), the rainwater underground all-in-one machine (5) and the PP module clean water pool (6) are sequentially connected through connecting pipes, effective sealing treatment is carried out on all connecting ports, and the rainwater collection pipe network (1), the sand settling and diversion well (2), the rainwater pretreatment machine room (3), the PP module rainwater reservoir (4), the rainwater underground all-in-one machine (5) and the PP module clean water pool (6) are controlled through a ground control cabinet (7);
the rainwater collecting pipe network (1) is a connecting network formed by pipelines for collecting rainwater, and can effectively collect rainwater;
the sand settling and distributing well (2) is used for connecting an upstream rainwater well, rainwater collecting equipment and a downstream rainwater well, and performing sand settling operation and safe distribution on the collected rainwater;
the rainwater pretreatment machine room (3) adopts a device machine room with a modular design, and can perform a series of treatments such as sewage interception, flow abandonment, composite flow, precise filtration and the like on the early stage of rainwater collection;
the PP module rainwater reservoir (4) can be used for collecting and storing rainwater collected at the upstream and subjected to primary treatment in a centralized manner, and can be used for irrigation, road flushing, car washing and the like;
the rainwater underground integrated machine (5) and the small rainwater purification terminal are integrated with a multi-media filter, an automatic dosing sterilizer, an aeration fan, a diaphragm air pressure tank, sewage discharge and waterlogging drainage, and can purify the collected rainwater, so that the rainwater is purified for greening irrigation, flushing toilets, road flushing and the like;
and the PP module clean water tank (6) is used for collecting and storing the rainwater purified by the rainwater underground all-in-one machine (5) so as to be used as water for greening irrigation, toilet flushing, road flushing and the like by users.
2. The sponge city rainwater collection and treatment system and the rainwater collection and treatment method according to claim 1, wherein the sponge city rainwater collection and treatment system comprises: and the collecting pipelines of the rainwater collecting pipe network (1) are arranged at the ground end in a staggered manner.
3. The sponge city rainwater collection and treatment system and the rainwater collection and treatment method according to claim 1, wherein the sponge city rainwater collection and treatment system comprises: the desilting diversion well (2) is connected with an outdoor rainwater collecting and discharging pipeline through a pipeline, and the outdoor rainwater collecting and discharging pipeline is connected with a downstream rainwater well through a pipeline.
4. The sponge city rainwater collection and treatment system and the rainwater collection and treatment method according to claim 1, wherein the sponge city rainwater collection and treatment system comprises: the rainwater pretreatment machine room (3) comprises a sewage interception device, an automatic flow discarding device, a rainwater composite flow device and a precise filtering device, and all the devices are connected in sequence through connecting pipelines.
5. The sponge city rainwater collection and treatment system and the rainwater collection and treatment method according to claim 1, wherein the sponge city rainwater collection and treatment system comprises: PP module rainwater cistern (4) is formed by splicing a plurality of rainwater collection module each other to the connection all fixes through the buckle about each rainwater collection module is inside, carries out interconnect through controlling the buckle and upper and lower locator card post between module and the module, the rainwater collection module is added the additive preparation by one-level recovery material PP and is formed.
6. The sponge city rainwater collection and treatment system and the rainwater collection and treatment method according to claim 1, wherein the sponge city rainwater collection and treatment system comprises: the rainwater underground all-in-one machine (5) is internally and fixedly provided with a multi-media filter, an automatic dosing sterilizer, an ultraviolet disinfection lamp, an aeration fan, a diaphragm air pressure tank and other equipment, a top cover plate is arranged at the upper end of the rainwater underground all-in-one machine (5), and the rainwater underground all-in-one machine is made of glass fiber reinforced plastics, stainless steel or carbon steel and other materials.
7. The sponge city rainwater collection and treatment system and the rainwater collection and treatment method according to claim 1, wherein the sponge city rainwater collection and treatment system comprises: rain pretreatment of water computer lab (3), PP module rainwater cistern (4) and rain bury all-in-one (5) upper end and all fixedly be provided with access hole and viewing aperture, inside all fixedly being provided with upper and lower staircase of access hole and viewing aperture.
8. The sponge city rainwater collection and treatment system and the rainwater collection and treatment method according to claim 1, wherein the sponge city rainwater collection and treatment system comprises: bury all-in-one (5) rainwater and can adopt buried rainwater processing central computer lab to replace, buried rainwater processing central computer lab is inside to be fixed and to be provided with equipment such as full-automatic filtration equipment, automatic flocculation charge device, ultraviolet ray degassing unit, automatic water supply device, constant voltage water supply equipment cistern back flush mounting, aeration fan, buried rainwater processing central computer lab's outer box adopts carbon steel or SUS304 stainless steel to form through the welding preparation to do anticorrosive treatment through degree of depth epoxy coal pitch.
9. A sponge urban rainwater collecting and processing system and a rainwater collecting and processing method are characterized in that: the method comprises the following collection treatment processes:
s1, during raining, rainwater enters a surface rainwater collecting pipe network (1) through rainfall runoff collected on hardened surfaces of roads, squares and the like, and primary collection is carried out through the surface rainwater collecting pipe network (1);
s2, enabling rainwater collected by the surface rainwater collecting pipe network (1) in the step S1 to flow into the desilting diversion well (2), performing desilting and diversion in the desilting diversion well (2), enabling rainwater diverted in the desilting diversion well (2) to flow into an outdoor rainwater collecting and discharging pipeline, and then flowing into a downstream rainwater well;
s3, enabling the rainwater subjected to sand settling through the sand settling diversion well (2) in the step S2 to flow into a rainwater pretreatment machine room (3), then performing a series of treatments such as sewage interception, flow abandoning, composite flow and precise filtering, and enabling the rainwater subjected to flow abandoning to flow into a municipal sewage well;
s4, enabling the rainwater treated by the rainwater pretreatment machine room (3) in the step S3 to flow into the PP module rainwater reservoir (4), enabling the water stored in the PP module rainwater reservoir (4) to be used for irrigation, road washing, car washing and the like, and enabling the water to flow into a river channel after the PP module rainwater reservoir (4) is full;
s5, allowing a part of rainwater stored in the PP module rainwater reservoir (4) to flow into the rainwater underground all-in-one machine (5), and performing a series of purification treatments to enable the purified rainwater to be used as water for greening irrigation, toilet flushing, road flushing and the like;
s6, the rainwater purified by the rainwater underground all-in-one machine (5) flows into the PP module clean water tank (6) for storage through the step S5, and can reach a water using point through a water outlet pipeline, so that a user can use the rainwater.
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| CN113833055A (en) * | 2021-10-08 | 2021-12-24 | 天津大学 | Rainwater collecting and recycling system |
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| CN113833055A (en) * | 2021-10-08 | 2021-12-24 | 天津大学 | Rainwater collecting and recycling system |
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Application publication date: 20210618 |