CN217377630U - Rainwater recycling system - Google Patents
Rainwater recycling system Download PDFInfo
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- CN217377630U CN217377630U CN202220285446.3U CN202220285446U CN217377630U CN 217377630 U CN217377630 U CN 217377630U CN 202220285446 U CN202220285446 U CN 202220285446U CN 217377630 U CN217377630 U CN 217377630U
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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
- Y02A20/30—Relating to industrial water supply, e.g. used for cooling
Abstract
The utility model relates to the technical field of rainwater resource utilization, and discloses a rainwater recycling system, which comprises a rainwater inlet pipeline, a precipitation and filtration mechanism, a landscape water body, a first pipeline, a filtration and disinfection mechanism, a clean water tank, a second pipeline and greening facilities which are sequentially communicated; the water replenishing pipeline is communicated with municipal tap water, and the water outlet end of the water replenishing pipeline is communicated to the clean water tank; a constant water level water outlet is formed in the side wall of the landscape water body, and the landscape water body is communicated with the water inlet end of the first pipeline through the constant water level water outlet; the water inlet end of the second pipeline is positioned at the bottom of the clean water tank; and the first pipeline and the second pipeline are respectively provided with a water pump. The utility model discloses according to the quality of water difference of landscape water body and afforestation facility water in proper order to water processing, practice thrift the cost, reach energy-conserving effect, and the clean water basin only stores the afforestation water, and the function is clear and definite, and municipal tap water can directly accord with the national standard requirement to the clean water basin moisturizing.
Description
Technical Field
The utility model relates to a rainwater utilization of resources technical field especially relates to a rainwater recycle system.
Background
At present, the conventional rainwater recovery system can uniformly store the recovered and treated rainwater in a clean water tank and is used for supplying landscape water and greening irrigation, the water replenishing of the landscape water and the water for greening irrigation are in a parallel relation, and the water replenishing and the water for greening irrigation are both supplied by lifting equipment of the tail clean water tank of the rainwater recovery system. When the water stored in the clean water tank is insufficient, the clean water tank can be replenished with municipal tap water, the municipal tap water and the recovered rainwater are mixed difficultly, and if the landscape water body is replenished with water as usual, the regulation that the landscape water source in the civil building water saving standard cannot adopt the municipal tap water is violated.
In addition, the requirement of the landscape water body on the water quality is different from that of greening irrigation, ecological treatment facilities are preferably selected for water supplement recovered for the landscape water body, and the water recovered for the greening irrigation is subjected to operations such as filtration, precipitation, disinfection and the like, so that the water quality requirement of the water for the greening irrigation is higher than that of the landscape water body. The conventional rainwater recovery system does not distinguish the water quality treatment of the rainwater recovery system from the water quality treatment of the rainwater recovery system, and the rainwater recovery system are treated according to the high-standard water quality requirement, so that the cost of the treatment system is increased invisibly, and the waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: according to different water quality requirements, a rainwater recycling system which not only can meet the water replenishing of landscape water bodies, but also can meet the requirements of greening irrigation water and does not violate the regulations is designed.
In order to realize the aim, the utility model provides a rainwater recycling system, which comprises a rainwater inlet pipeline, a precipitation filtering mechanism, a landscape water body, a first pipeline, a filtering and disinfecting mechanism, a clean water tank, a second pipeline and a greening facility which are sequentially communicated;
the water replenishing pipeline is communicated with municipal tap water, and the water outlet end of the water replenishing pipeline is communicated to the clean water tank;
a constant water level water outlet is formed in the side wall of the landscape water body, and the landscape water body is communicated with the water inlet end of the first pipeline through the constant water level water outlet;
the water inlet end of the second pipeline is positioned at the bottom of the clean water tank;
and the first pipeline and the second pipeline are both provided with water pumps.
Preferably, the water storage device further comprises a water storage tank, a water storage tank water inlet is formed in the side wall of the water storage tank, the height of the water storage tank water inlet is not higher than that of the normal water level water outlet, the normal water level water outlet is communicated with the water inlet end of the first pipeline through the water storage tank water inlet sequentially, and the water inlet end of the first pipeline is located at the bottom of the water storage tank.
Preferably, the precipitation and filtration mechanism comprises a flow discarding device, a precipitation device and a biological retention facility which are sequentially communicated, the water inlet end of the rainwater inlet pipeline is communicated to the flow discarding device, and the biological retention facility is communicated with the landscape water body.
Preferably, the sedimentation and filtration mechanism further comprises a third pipeline, the sedimentation device is communicated to the bioretention facility through the third pipeline, cobblestones are paved in the bioretention facility, and the cobblestones are paved at the water outlet end of the third pipeline.
Preferably, the sedimentation and filtration mechanism further comprises a rolling dam through which the bioretention facilities are communicated to the landscape water body.
Preferably, the rainwater separator further comprises a municipal rainwater pipe network and a sewage pipe network, the flow discarding device comprises an upper chamber and a lower chamber which are communicated up and down, the rainwater inlet pipe is communicated to the sedimentation device through the upper chamber, the bottom end of the lower chamber is communicated with the sewage pipe network, and the top end of the upper chamber is communicated with the municipal rainwater pipe network.
Preferably, the side wall of the landscape water body is provided with an overflow water level outlet, the height of the overflow water level outlet is higher than that of the normal water level outlet, and the landscape water body is communicated to the municipal rainwater pipe network through the overflow water level outlet.
Preferably, the filtering and disinfecting mechanism comprises a flocculation device, a filtering device and a first disinfecting device, and the water outlet end of the first pipeline is communicated with the flocculation device, the filtering device, the first disinfecting device and the water inlet end of the second pipeline in sequence.
Preferably, a second disinfection device is further arranged on the second pipeline.
Preferably, the water level meter is arranged in the clean water tank, and the alarm is in communication connection with the water level meter.
The embodiment of the utility model provides a rainwater recovery system compares with prior art, and its beneficial effect lies in:
the utility model discloses rainwater recovery system has carried out optimization transformation on conventional rainwater recycle process flow basis, it is leading with the landscape water body, it is after precipitating filtering mechanism promptly to be located a water quality treatment, make the rainwater that gets into the landscape water body satisfy its not high water quality requirement, secondary water quality treatment filters disinfection mechanism promptly and arranges in between landscape water body and the clean water basin, a rainwater for will be through a water quality treatment carries out the filtration disinfection once more, the rainwater that makes to get into the clean water basin satisfies the water quality requirement that the afforestation facility irrigated. When the clean water tank stores insufficient water, municipal tap water is adopted to replenish the clean water tank, and the rainwater mixed water in the clean water tank is only used for greening irrigation after the tap water is replenished, so that the regulation that 'landscape water sources cannot adopt the municipal tap water' is not violated.
Drawings
Fig. 1 is a schematic horizontal plane view of a rainwater recycling system according to an embodiment of the present invention;
FIG. 2 is a sectional structure view of a rainwater recycling system according to an embodiment of the present invention;
fig. 3 is a partial enlarged view of a horizontal plane schematic diagram of a rainwater recycling system according to an embodiment of the present invention.
In the figure, 1, a rainwater inlet pipeline; 2. a precipitation filtration mechanism; 21. a flow discarding device; 211. an upper chamber; 212. a lower chamber; 22. a precipitation device; 23. a bioretention facility; 231. cobblestones; 24. a third pipeline; 25. a rolling dam; 3. a landscape water body; 31. a normal water level water outlet; 32. an overflow water level drain outlet; 4. a reservoir; 41. a reservoir water inlet; 5. a first pipeline; 51. a water pump; 6. a filtering and sterilizing mechanism; 61. a flocculation device; 62. a filtration device; 63. a first sterilizing device; 7. a clean water tank; 71. a water level gauge; 8. a second pipeline; 81. a second sterilizing device; 9. water supply pipeline.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are used in the present invention as indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the terms "connected," "connected," and "fixed" used in the present invention should be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral body; the connection can be mechanical connection or welding connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish the same type of information from each other. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1 and 2, the rainwater recycling system according to the preferred embodiment of the present invention comprises a rainwater inlet pipeline 1, a precipitation filtering mechanism 2, a landscape water body 3, a first pipeline 5, a filtering and disinfecting mechanism 6, a clean water tank 7, a second pipeline 8 and greening facilities which are sequentially connected;
the water replenishing device also comprises a water replenishing pipeline 9 communicated with municipal tap water, and the water outlet end of the water replenishing pipeline 9 is communicated to the clean water tank 7;
a normal water level water outlet 31 is formed in the side wall of the landscape water body 3, and the landscape water body 3 is communicated with the water inlet end of the first pipeline 5 through the normal water level water outlet 31;
the water inlet end of the second pipeline 8 is positioned at the bottom of the clean water tank 7;
the first pipeline 5 and the second pipeline 8 are both provided with a water pump 51.
The system is optimized and improved on the basis of the conventional rainwater recycling process flow, the landscape water body 3 is arranged in front and is positioned behind the first water quality treatment, namely the precipitation filtering mechanism 2, so that rainwater entering the landscape water body 3 meets the low water quality requirement, the second water quality treatment, namely the filtration and disinfection mechanism 6 is arranged between the landscape water body 3 and the clean water tank 7 and is used for filtering and disinfecting the rainwater subjected to the first water quality treatment again, and the rainwater entering the clean water tank 7 meets the water quality requirement of greening facility irrigation. When the clean water tank 7 stores insufficient water, the rainwater mixed water obtained by supplementing water to the clean water tank 7 by using municipal tap water is only used for greening irrigation, and the regulation that 'landscape water sources cannot adopt municipal tap water' is not violated.
The landscape water body 3 is provided with a conventional water level, and the water outlet 31 of the conventional water level is arranged at the height of the conventional water level, so that rainwater can be guaranteed to be preferentially supplied to meet the water consumption requirement of the landscape water body 3. When the water level of the landscape water body 3 exceeds the conventional water level, the first pipeline 5 sends the rainwater exceeding the water consumption requirement of the landscape water body 3 to the filtering and disinfecting mechanism 6 through the constant water level water outlet 31 for secondary water quality treatment, and then sends the rainwater to the clean water tank 7 for storage, and the rainwater is reserved as greening facility irrigation reserve; when the rainwater amount is smaller and the water level of the landscape water body 3 is lower than the conventional water level, the water in the clean water tank 7 is supplemented with water by municipal tap water through the water supplementing pipeline 9 so as to irrigate greening facilities.
Further, still include cistern 4, the lateral wall of cistern 4 is equipped with the retaining water inlet, the height of cistern 4 water inlet is not higher than the height of normal water level delivery port 31, normal water level delivery port 31 loops through cistern 4 water inlet cistern 4 with the end of intaking of first pipeline 5 is linked together, the end of intaking of first pipeline 5 is located the bottom of cistern 4.
The landscape water body 3, namely, artificial waterscape such as fountain, artificial lake, water fall and the like, is exposed outdoors, water exceeding the conventional water level of the landscape water body 3 flows to the reservoir 4 through the water outlet 31 with the conventional water level and the water inlet of the reservoir 4, the first water pipe pumps water from the bottom of the reservoir 4 through the water pump 51, and potential safety hazards caused by directly pumping water to the landscape water body 3 are avoided.
Further, the precipitation and filtration mechanism 2 comprises a flow abandoning device 21, a precipitation device 22 and a biological retention facility 23 which are sequentially communicated, the water inlet end of the rainwater inlet pipeline 1 is communicated with the flow abandoning device 21, and the biological retention facility 23 is communicated with the landscape water body 3.
The flow discarding device 21 is used for draining rainwater polluted by ground dust and sump oil in the early stage of rainfall to primarily filter the rainwater; the settling device 22 generally consists of a multi-layer slow flow settling system and a filtering system, which are common devices for rainwater filtration and are used for performing primary physical filtration on rainwater; the bioretention facilities 23 then purify the rainwater by the accumulation and infiltration of plants, soil and microbial systems. The flow discarding device 21, the settling device 22 and the bioretention facility 23 are primary water quality treatment for rainwater.
Further, the sedimentation filter mechanism 2 further comprises a third pipeline 24, the sedimentation device 22 is communicated to the bioretention facility 23 through the third pipeline 24, cobblestones 231 are laid in the bioretention facility 23, and the cobblestones 231 are laid at the water outlet end of the third pipeline 24.
The bottom surface of the bioretention facilities 23 is mostly sandstone, mud, etc. and the laying of cobblestones 231 at the water outlet end helps to prevent water hammering.
Further, the sedimentation and filtration mechanism 2 further comprises a rolling dam 25, and the bioretention facilities 23 are communicated to the landscape water body 3 through the rolling dam 25.
The rolling dam 25 is used for separating the bioretention facilities 23 and the landscape water body 3 and simultaneously enabling rainwater filtered by the bioretention facilities 23 to flow into the landscape water body 3.
Further, the rainwater separator further comprises a municipal rainwater pipe network and a sewage pipe network, the flow discarding device 21 comprises an upper chamber 211 and a lower chamber 212 which are communicated up and down, the rainwater inlet pipe is communicated to the sedimentation device 22 through the upper chamber 211, the bottom end of the lower chamber 212 is communicated with the sewage pipe network, and the top end of the upper chamber 211 is communicated with the municipal rainwater pipe network.
Rainwater in excess of the capacity or usage requirements of the system may be discharged through the waste 21 to a municipal rainwater network.
Further, an overflow water level outlet 32 is arranged on the side wall of the landscape water body 3, the height of the overflow water level outlet 32 is higher than that of the normal water level outlet 31, and the landscape water body 3 is communicated to the municipal rainwater pipe network through the overflow water level outlet.
An overflow water level is arranged above the conventional water level of the landscape water body 3, and when the rainfall is large, the rainwater exceeding the capacity of the system can be discharged into a municipal rainwater pipe network through an overflow water level water outlet 32 of the landscape water body 3, so that the system is prevented from being influenced.
Further, as shown in fig. 3, the filtering and disinfecting mechanism 6 includes a flocculation device 61, a filtering device 62 and a first disinfecting device 63, and the water outlet end of the first pipeline 5 is sequentially communicated with the flocculation device 61, the filtering device 62, the first disinfecting device 63 and the water inlet end of the second pipeline 8.
The flocculating device 61 is provided with a flocculating agent for gathering particles in the rainwater and filtering the rainwater by a filtering device 62, and the filtering device 62 preferably uses a vertical quartz sand filter. The first sterilizing device 63 may be a sodium hypochlorite generator.
Further, a second disinfection device 81 is further disposed on the second pipeline 8. The second sterilizing device 81 is preferably an ultraviolet sterilizer for sterilizing water for irrigation of greening facilities.
Furthermore, the water level meter device further comprises an alarm, wherein a water level meter 71 is arranged in the clean water tank 7, and the alarm is in communication connection with the water level meter 71. The water level of the clean water tank 7 is monitored in real time, so that water can be supplemented to the clean water tank 7 or related operations can be carried out. In addition, the water inlet end of the second pipeline 8 is also provided with a rotational flow preventer for preventing rotational flow during water delivery and preventing air from entering the pipeline.
In this embodiment, the bottom of the landscape water body 3, the bottom of the rain water tank, and the bottom of the clean water tank 7 are all provided with cleaning outlets for draining water to clean them.
The utility model discloses a working process does: after rainwater on the roof or the ground is collected uniformly through a pipeline, primary water quality treatment is carried out on the rainwater, the rainwater is preferentially used for the landscape water body 3 through a water passing hole of a rolling dam 25 after the rainwater is abandoned (initial rainwater of abandon) through a abandoning device 21, precipitated (slag-separating precipitation) through a precipitating device 22 and purified (purified by using a plant water body) through a biological detention facility 23, the effective storage volume of the landscape water body 3 is the volume between the normal water level and the overflow water level, the rainwater to be collected overflows through an overflow water level outlet 32 after reaching the overflow water level, a water inlet of a reservoir 4 is communicated with a normal water level outlet 31 to preferentially ensure that the water level of the landscape water body 3 is at the normal water level, a first pipeline 5 lifts the rainwater in the reservoir 4 to a filtering and disinfecting mechanism 6 through a water pump 51, and the rainwater is sequentially subjected to flocculation, quartz sand filtering and sodium hypochlorite generator disinfection to carry out secondary water quality treatment, and then the rainwater reaches the water storage clean water tank 7 of the standard of irrigation, the second pipeline 8 pumps water from the clean water tank 7 through a water pump 51 for irrigation of greening facilities. When the clear water in the clear water tank 7 does not meet the requirement of irrigation water for greening facilities, the water is supplemented to the greening facilities through municipal tap water by the water supplementing pipeline 9.
To sum up, the embodiment of the utility model provides a rainwater recycling system, which divides the rainwater treatment process into a primary water quality treatment of a precipitation filtering mechanism 2 and a secondary water quality treatment of a filtration disinfection mechanism 6 according to different water quality requirements; simultaneously 3 moisturizing prepositions landscape water body, and the rainwater is preferentially used for landscape water body 3 behind precipitation filter mechanism 2 to preferentially guarantee to satisfy landscape water body 3's water consumption through normal water level delivery port 31, and green facility irrigation water is only stored to clean water basin 7, and municipal tap water is direct does not violate the regulation to 7 moisturizing in clean water basin through moisturizing pipeline 9.
According to the embodiment, the precipitation filtering mechanism 2 and the filtering and disinfection mechanism 6 are used for sequentially treating water according to different water qualities of the landscape water body 3 and the water for the greening facilities, so that the water quality treatment cost of landscape water is saved, the energy-saving effect is achieved, and the clean water tank 7 has clear functions and does not violate government regulations.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. A rainwater recycling system is characterized by comprising a rainwater inlet pipeline, a precipitation filtering mechanism, a landscape water body, a first pipeline, a filtering and disinfecting mechanism, a clean water tank, a second pipeline and a greening facility which are sequentially communicated;
the water replenishing pipeline is communicated with municipal tap water, and the water outlet end of the water replenishing pipeline is communicated to the clean water tank;
a constant water level water outlet is formed in the side wall of the landscape water body, and the landscape water body is communicated with the water inlet end of the first pipeline through the constant water level water outlet;
the water inlet end of the second pipeline is positioned at the bottom of the clean water tank;
and the first pipeline and the second pipeline are respectively provided with a water pump.
2. The rainwater recycling system according to claim 1, further comprising a reservoir, wherein a reservoir water inlet is formed in a side wall of the reservoir, the height of the reservoir water inlet is not higher than that of the normal water level water outlet, the normal water level water outlet is communicated with the water inlet end of the first pipeline sequentially through the reservoir water inlet and the reservoir, and the water inlet end of the first pipeline is located at the bottom of the reservoir.
3. The rainwater recycling system according to claim 2, wherein the precipitation filtering mechanism comprises a flow discarding device, a precipitation device and a biological retention facility which are sequentially communicated, the rainwater inlet pipeline is communicated with the flow discarding device at the water inlet end, and the biological retention facility is communicated with the landscape water body.
4. A rainwater recycling system according to claim 3, wherein said sedimentation filter means further comprises a third pipeline through which said sedimentation device communicates to said bioretention facility, cobblestones being laid within said bioretention facility, said cobblestones being laid at the water outlet end of said third pipeline.
5. The stormwater recycling system according to claim 4, wherein the precipitation filtration mechanism further comprises a rolling dam through which the bioretention facilities communicate to the body of landscape water.
6. The rainwater recycling system according to claim 3, further comprising a municipal rainwater pipe network and a sewage pipe network, wherein said drainage device comprises an upper chamber and a lower chamber which are communicated with each other, said rainwater inlet pipe is communicated to said sedimentation device through said upper chamber, the bottom end of said lower chamber is communicated with said sewage pipe network, and the top end of said upper chamber is communicated with said municipal rainwater pipe network.
7. The rainwater recycling system according to claim 6, wherein the side wall of the landscape water body is provided with an overflow water level outlet, the height of the overflow water level outlet is higher than that of the normal water level outlet, and the landscape water body is communicated to the municipal rainwater pipe network through the overflow water level outlet.
8. The rainwater recycling system according to any one of claims 1 to 7, wherein the filtering and disinfecting mechanism comprises a flocculation device, a filtering device and a first disinfecting device, and the water outlet end of the first pipeline is sequentially communicated with the flocculation device, the filtering device, the first disinfecting device and the water inlet end of the second pipeline.
9. A rainwater recycling system according to claim 8 and further including a second disinfection means on said second conduit.
10. A rainwater recycling system according to claim 8 and also comprising an alarm, wherein a water level gauge is arranged in said clean water tank, and said alarm is in communication connection with said water level gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220285446.3U CN217377630U (en) | 2022-02-11 | 2022-02-11 | Rainwater recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220285446.3U CN217377630U (en) | 2022-02-11 | 2022-02-11 | Rainwater recycling system |
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| Publication Number | Publication Date |
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| CN217377630U true CN217377630U (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220285446.3U Active CN217377630U (en) | 2022-02-11 | 2022-02-11 | Rainwater recycling system |
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| CN (1) | CN217377630U (en) |
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- 2022-02-11 CN CN202220285446.3U patent/CN217377630U/en active Active
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