CN111321775A - Green energy-saving rainwater recovery processing system - Google Patents
Green energy-saving rainwater recovery processing system Download PDFInfo
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- CN111321775A CN111321775A CN201811538472.7A CN201811538472A CN111321775A CN 111321775 A CN111321775 A CN 111321775A CN 201811538472 A CN201811538472 A CN 201811538472A CN 111321775 A CN111321775 A CN 111321775A
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- rainwater
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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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- 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
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- 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
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- 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
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- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses an environment-friendly energy-saving rainwater recovery processing system, which comprises a rainwater discarding unit, a rainwater reservoir, a rainwater processing unit, a rainwater clear water tank, a rainwater lifting water supply and sewage discharge unit, a recycling water supply pipeline and a drainage pipeline, wherein the rainwater discarding unit is connected with the rainwater reservoir; the rainwater discarding unit comprises a rainwater collecting pipeline, a discarding well for intercepting and collecting rainwater and overflowing and shunting, and a discarding control well for discarding sediment substances such as silt in the discarded rainwater; the rainwater treatment unit consists of a coagulant adding device, a pipeline mixer and a pressure filter tank, and a full-automatic filter is arranged in the pressure filter tank to treat rainwater; the rainwater lifting water supply and sewage discharge unit consists of a sewage discharge pump, a lifting pump, a backwashing water pump and a recycling water supply pump; each device and each pump are controlled by a PLC automatic control cabinet to work; connect through drainage pipe respectively between each equipment, the pipeline material is the HDPE pipe, and rainwater cistern anterior segment collecting pipe adopts PN6 tubular product, and back end promotion, retrieval and utilization pipe adopt PN16 tubular product, and pipeline and equipment connected mode are confirmed according to equipment interface mode, and flange joint is adopted to the pipeline of different materials.
Description
Technical Field
The invention mainly relates to the field of rainwater treatment, in particular to a green energy-saving rainwater recovery treatment system.
Background
At present, China has a large population, and the daily use amount of water resources is huge. The scientific and reasonable development and utilization of non-traditional water resources can provide new water resources, increase the total amount of available water resources and relieve the contradiction between supply and demand of regional water resources, and has very remarkable ecological and environmental benefits. The traditional water resource and the non-traditional water resource are matched and complementarily utilized, so that the contradiction of water resource shortage can be solved, and the sustainable utilization of the water resource is promoted. Therefore, the development of non-traditional water resources has important practical significance and strategic significance. Non-traditional water resources include reclaimed water, rainwater, seawater, mine water, brackish water, and the like.
China is mostly direct drainage rainwater pipes, rainwater is directly led to an urban rainwater drainage system, rainwater resources are wasted, and pressure can be increased for urban drainage in rainy seasons. The roof of the building, the large square, the small courtyard and the impervious ground of the city can collect rainwater in a large area, and the rainwater collecting surface is good. However, the urban rainwater storage is not solved by the plans, so that rainwater is discharged again after being stored, and the value that the rainwater can be reused is not reflected. Along with the development of cities, water resources on the earth are in shortage, water conservation is not slow, rain sewage in urban green areas is effectively utilized, and the method is an effective way for solving the water resource shortage. However, there is currently no reasonable urban planning of a complete system for the utilization of rain sewage. When a large amount of rainfall is carried out, drainage is carried out by adopting modes such as a pump and the like, or the traditional mode causes that drainage cannot be carried out in time, and waste is caused to water resources.
The rainwater recycling system of the invention reuses rainwater in domestic miscellaneous water: the irrigation system has the advantages of greening irrigation, road sprinkling, landscape water replenishing, vehicle washing, water landscape entertainment and the like, saves tap water, reduces the cost of water treatment, and solves the problem of water resource shortage.
Disclosure of Invention
The purpose of the invention is as follows: in order to solve the defects of the prior art, the green energy-saving rainwater recycling system is energy-saving and environment-friendly, can fully utilize rainwater and improves the utilization rate of water resources.
The technical scheme adopted by the invention for solving the technical problems is as follows: a green energy-saving rainwater recovery processing system comprises a rainwater discarding unit, a rainwater reservoir, a rainwater processing unit, a rainwater clear water tank, a rainwater lifting water supply and sewage discharge unit, a reuse water supply pipeline and a drainage pipeline; the rainwater discarding unit comprises a rainwater collecting pipeline, a discarding well for intercepting and collecting rainwater and overflowing and shunting, and a discarding control well for discarding sediment substances such as silt in the discarded rainwater; the rainwater treatment unit consists of a coagulant adding device, a pipeline mixer and a pressure filter tank, and a full-automatic filter is arranged in the pressure filter tank to treat rainwater; the rainwater lifting water supply and sewage discharge unit consists of a sewage discharge pump, a lifting pump, a backwashing water pump and a recycling water supply pump; each device and each pump are controlled by a PLC automatic control cabinet to work; connect through drainage pipe respectively between each equipment, the pipeline material is the HDPE pipe, and rainwater cistern anterior segment collecting pipe adopts PN6 tubular product, and back end promotion, retrieval and utilization pipe adopt PN16 tubular product, and pipeline and equipment connected mode are confirmed according to equipment interface mode, and flange joint is adopted to the pipeline of different materials.
The invention has the beneficial effects that: can carry out effective processing with the rainwater of collecting, the reuse is used for the miscellaneous water of life: afforest irrigation, road watering, view moisturizing, vehicle wash, amusement waterscape etc. have realized the reuse of rainwater resource to play the water economy resource, reduce the effect of water resource use cost.
Drawings
The present invention is described in further detail below with reference to the attached drawings.
FIG. 1 is a schematic block diagram of an energy-saving and green rainwater recycling system according to the present invention.
Fig. 2 is a layout view of a rainwater discarding unit and a rainwater storage tank in the front half of the present invention.
Reference numbers in the figures: (1) rainwater collection pipeline, (2) abandon flow well, (3) abandon flow control well, (4) rainwater cistern, (5) dredge pump, (6) lift pump, (7) blow off water pipe, (8) municipal administration rainwater network management, (9) cistern water level monitor, (10) PLC automatic control cabinet
FIG. 3 is a layout of a rear half rainwater treatment unit, a rainwater clean water tank and a recycled water supply pipeline of the present invention.
Reference numbers in the figures: (10) PLC automatic control cabinet, (11) rainwater clear water tank, (12) clear water pool water level monitor, (13) coagulant adding device, (14) pipeline mixer, (15) pressure filter tank, (16) basement sump, (17) backwash water pump, (18) reuse water supply pump, (19) municipal water supply network pipe, (20) pipe type sterilizer, (21) reuse water supply pipeline, (22) municipal sewage network pipe
In fig. 2 and 3, straight lines show the connection of the drain pipes among the devices, and dotted lines show the connection between the devices and the PLC automatic control cabinet.
Detailed Description
As shown in the schematic block diagram of the invention shown in figure 1, the rainwater is collected and then discharged into a flow abandoning well, the rainwater overflows from the flow abandoning well and is shunted to a flow abandoning control well, sediment substances such as silt in the rainwater and the like are abandoned in the flow abandoning control well and are shunted to a municipal rainwater pipe network, the rest rainwater is discharged into a rainwater reservoir, a sewage discharge pump is arranged in the rainwater reservoir to discharge sewage in the rainwater to a municipal sewage network pipe, the rest rainwater is discharged to the pressure filter tank through the lifting pump, a pipeline mixer is arranged on a pipeline at the front section of the pressure filter tank, a coagulant adding device is connected with the pipeline mixer, a full-automatic filter is arranged in the pressure filter tank to treat the rainwater, a back flush sewage pump is used for periodically dredging and discharging sludge of the pressure filter tank, sewage is discharged into a municipal sewage network pipe, the treated rainwater is discharged into a rainwater clean water tank, the municipal water network pipe can be used for supplementing water to the rainwater clean water tank if necessary, and finally the treated rainwater is discharged into each water network pipe.
As shown in a layout diagram of the first half abandoning unit and the rainwater storage tank of the invention shown in figure 2, rainwater enters the abandoning well (2) through a rainwater collecting pipeline (1), the rainwater overflows and is shunted to the abandoning control well (3) in the abandoning well (2), settled substances such as silt in the rainwater and the like are discharged to a municipal rainwater pipe network (8) in the abandoning control well (3), the rest rainwater is discharged into the rainwater storage tank (4), a sewage discharge pump (5) is arranged at the bottom of the rainwater storage tank (4), sewage in the rainwater is discharged through a sewage discharge pipe (7), a lifting pump (6) is arranged at one side of the outer part of the rainwater storage tank (4), and the rainwater after primary treatment is pumped to the next equipment. Abandon a class control well (3), dredge pump (5), elevator pump (6) all control its operating condition through PLC automatic control cabinet (10), and reservoir water level monitor (9) real time monitoring rainwater cistern (4) interior water level height and with data return PLC automatic control cabinet (10), abandon a class control well (3), dredge pump (5), elevator pump (6), cistern water level monitor (9) and pass through the wire and be connected with PLC automatic control cabinet (10).
As shown in figure 3, the layout of the rear half rainwater treatment unit, the rainwater clear water tank and the recycled water supply pipeline of the invention is that a lift pump outside a rainwater reservoir pumps rainwater after primary treatment and discharges the rainwater to a pressure filter tank (15), a pipeline mixer (14) is arranged on a pipeline leading to the pressure filter tank (15), a coagulant adding device (13) is arranged above the pipeline, the pipeline mixer (14) is connected with the coagulant adding device (13), the added coagulant enters the pipeline mixer (14) to be mixed with the rainwater and then discharged to the pressure filter tank (15), a full-automatic filter is arranged in the pressure filter tank (15) to treat the rainwater, when the rainwater capacity reaches the maximum capacity of the pressure filter tank (15), the rainwater is discharged into an underground water collecting pit (16) for temporary storage, a back flush water pump (17) is arranged at the rear section of the pressure filter tank (15), the silt of the pressure filter tank is removed periodically, sewage is discharged from municipal sewage network management (22), clean rainwater after pressure filtration jar (15) is handled is discharged to rainwater clarified water tank (11), clear water tank water level monitor (12) real time monitoring rainwater clarified water tank (11) interior water level height and with data return PLC automatic control cabinet (10), municipal water supply network management (19) carry out the moisturizing to clarified water tank when necessary, arrange clean rainwater in rainwater clarified water tank (11) to retrieval and utilization water supply pipeline (21) through retrieval and utilization working shaft (18), retrieval and utilization water supply pipeline (21) anterior segment is equipped with tubular disinfector (20) and carries out the secondary disinfection to the rainwater. The clear water tank water level monitor (12), the coagulant adding device (13), the backwashing water pump (17), the municipal water supply pipeline (19) and the recycling water supply pump (18) are all controlled to work through a PLC automatic control cabinet (10), and the clear water tank water level monitor (12), the coagulant adding device (13), the backwashing water pump (17), the municipal water supply pipeline (19) and the recycling water supply pump (18) are connected with the PLC automatic control cabinet (10) through leads.
Connect through drainage pipe respectively between each equipment, the pipeline material is the HDPE pipe, and rainwater cistern anterior segment collecting pipe adopts PN6 tubular product, and back end promotion, retrieval and utilization pipe adopt PN16 tubular product, and pipeline and equipment connected mode are confirmed according to equipment interface mode, and flange joint is adopted to the pipeline of different materials. The collected rainwater can be used for greening irrigation and field watering after being subjected to flow discarding, filtering and purifying treatment. The full-automatic filtering device is adopted in the rainwater filtering room, so that the rainwater can meet the water quality requirement after being treated, and the phenomena of water quality fluctuation and peculiar smell generation caused by short-term disuse are avoided. And overflow and water replenishing measures are taken to ensure water quantity safety, rainwater is adopted for greening irrigation, and tap water is adopted for replenishing water when the rainwater is insufficient. The rainwater recycling pipeline is strictly forbidden to be directly connected with a domestic drinking water supply pipeline in any mode, and the rainwater recycling pipeline is used as a safety mark with corresponding color so as to distinguish a tap water pipeline and avoid misconnection, misapplication, misdrinking and the like.
Claims (6)
1. The utility model provides a green energy-conserving rainwater recovery processing system, its characterized in that, rainwater recovery processing system abandons a class unit, rainwater cistern (4), rainwater processing unit, PLC automatic control cabinet (10), clear water tank of rainwater (11), rainwater promote water supply and blowdown unit, retrieval and utilization water supply pipe (21), drainage pipe including the rainwater.
2. The green energy-saving rainwater recovery and treatment system according to claim 1, wherein the rainwater flow abandoning unit comprises a rainwater collection pipeline (1), a flow abandoning well (2) for intercepting and collecting rainwater and overflowing and shunting, and a flow abandoning control well (3) for abandoning sediment substances such as silt in rainwater; the rainwater treatment unit consists of a coagulant adding device (13), a pipeline mixer (14) and a pressure filter tank (15), and when the rainwater capacity reaches the maximum capacity of the pressure filter tank (15), rainwater is discharged into an underground sump (16) for temporary storage; the rainwater lifting water supply and sewage discharge unit consists of a sewage discharge pump (5), a lifting pump (6), a backwashing water pump (17), a recycling water supply pump (18), a sewage discharge pipeline (7), a municipal rainwater network pipe (8) and a municipal water supply network pipe (19); the devices are connected through drainage pipelines respectively, the pipelines are made of HDPE (high-density polyethylene) pipes, the front collecting pipe of the rainwater reservoir adopts a PN6 pipe, and the rear lifting and recycling pipe adopts a PN16 pipe.
3. The green energy-saving rainwater recycling and processing system according to claim 1, wherein the abandoning control well (3), the sewage pump (5), the lift pump (6), the reservoir water level monitor (9), the clean water reservoir water level monitor (12), the coagulant adding device (13), the backwashing water pump (17), the municipal water supply pipeline (19) and the recycling water supply pump (18) are controlled by the PLC automatic control cabinet (10) to work.
4. The green energy-saving rainwater recycling and processing system according to claim 1, characterized in that a rainwater reservoir water level monitor (9) is arranged inside the rainwater reservoir (4) to monitor the water level in the rainwater reservoir (4) in real time and transmit data back to the PLC automatic control cabinet (10); the clean water tank (11) is internally provided with a clean water tank water level monitor (12) which monitors the water level height in the clean water tank (11) in real time and transmits data back to the PLC automatic control cabinet (10).
5. An energy-saving and green rainwater recycling system according to claim 1, wherein said recycled water supply pipeline (21) is provided with a tubular disinfector (20) for secondary disinfection of rainwater.
6. An energy-saving and green rainwater recycling system according to claim 1, wherein said municipal water supply network pipe (19) can replenish the clean rainwater tank (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811538472.7A CN111321775A (en) | 2018-12-17 | 2018-12-17 | Green energy-saving rainwater recovery processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811538472.7A CN111321775A (en) | 2018-12-17 | 2018-12-17 | Green energy-saving rainwater recovery processing system |
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| Publication Number | Publication Date |
|---|---|
| CN111321775A true CN111321775A (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811538472.7A Pending CN111321775A (en) | 2018-12-17 | 2018-12-17 | Green energy-saving rainwater recovery processing system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187164A (en) * | 2021-04-28 | 2021-07-30 | 中国建筑设计研究院有限公司 | Water conservation integration equipment is synthesized to public building cooling tower |
| CN113550376A (en) * | 2021-07-26 | 2021-10-26 | 中国华西企业股份有限公司 | Rainwater recycling system and method |
| CN114804466A (en) * | 2022-04-28 | 2022-07-29 | 云南开发规划设计院 | Water resource recycling system and control method |
| CN114855929A (en) * | 2022-04-26 | 2022-08-05 | 上海工程技术大学 | Rainwater sustainable recycling and grading utilization system |
-
2018
- 2018-12-17 CN CN201811538472.7A patent/CN111321775A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187164A (en) * | 2021-04-28 | 2021-07-30 | 中国建筑设计研究院有限公司 | Water conservation integration equipment is synthesized to public building cooling tower |
| CN113550376A (en) * | 2021-07-26 | 2021-10-26 | 中国华西企业股份有限公司 | Rainwater recycling system and method |
| CN114855929A (en) * | 2022-04-26 | 2022-08-05 | 上海工程技术大学 | Rainwater sustainable recycling and grading utilization system |
| CN114804466A (en) * | 2022-04-28 | 2022-07-29 | 云南开发规划设计院 | Water resource recycling system and control method |
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Application publication date: 20200623 |