CN104805886A - Roof rainwater recycling device - Google Patents

Roof rainwater recycling device Download PDF

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Publication number
CN104805886A
CN104805886A CN201510157534.XA CN201510157534A CN104805886A CN 104805886 A CN104805886 A CN 104805886A CN 201510157534 A CN201510157534 A CN 201510157534A CN 104805886 A CN104805886 A CN 104805886A
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Prior art keywords
rainwater
water
section
hole
chamber
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CN201510157534.XA
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CN104805886B (en
Inventor
李华
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Guangxi Wilson Environmental Protection Science And Technology Development Co Ltd
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Guangxi Wilson Environmental Protection Science And Technology Development Co Ltd
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Priority to CN201510157534.XA priority Critical patent/CN104805886B/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

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  • Filtration Of Liquid (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention discloses a roof rainwater recycling device. According to the technical scheme, the roof rainwater recycling device comprises a rainwater discarding chamber and a rainwater filter chamber, wherein a rainwater collecting funnel is arranged at the top of the rainwater discarding chamber while a sewage discharge hole is formed in the bottom, a group of fixed pulley is arranged in the rainwater discarding chamber, one arm of the fixed pulley vertically pulls a water storage tank, the other arm vertically pulls a heavy object, the weight of the heavy object is slightly less than the weight of the water storage tank full of water, a rotational baffle plate is arranged at the bottom of the water storage tank, and a gutter is vertically arranged at the end of the baffle plate near a clapboard; a first clapboard with a first through hole is arranged between the rainwater filter chamber and rainwater discharging chamber, the height of the first through hole is consistent with the height of the water in the gutter, the first through hole is firmly connected with a first water diversion pipe connected with the bottom of the rainwater filter chamber, the rainwater filter chamber is divided into a rough filtration section, a fine filtering section and a sterilizing section in sequence, and a water outlet is formed in the top of the sterilizing section. The roof rainwater recycling device is reasonable in design, low in processing and manufacturing cost, long in service life and easy to maintain in the later period, and electricity is not needed.

Description

Roof rainwater recovery unit
Technical Field
The invention relates to the field of rainwater recycling, in particular to a roof rainwater recycling device.
Background
Rainwater has gained acceptance from countries throughout the world as a precious resource. Rainwater collection and utilization can be divided into a rainwater collection and storage system for utilizing roof collection, a rainwater collection and storage system for newly-built districts, parks and other parks and a large rainwater regulation and storage system combined with urban rainwater pipelines according to scale.
Relatively speaking, the roof rainwater collection system is mainly suitable for independent houses and public buildings, the pollution degree of rainwater collected through the roof is low, the pH value of the rainwater is neutral, the salt content is low, the hardness is low, and the rainwater does not need to be softened.
Roof rainwater collection device among the prior art is many, also has some to have the effect that initial stage rainwater was abandoned and flows, however, it all adopts control such as solenoid valve, and its structure is complicated, and manufacturing cost is high, and is easily bad, and maintenance cost are high, are not fit for using widely.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the roof rainwater recovery device which has the advantages of reasonable structural design, simple processing and manufacturing, long service life and high cost performance.
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages described hereinafter.
The technical scheme provided by the invention is as follows: the utility model provides a roof rainwater recovery unit, roof rainwater recovery unit is sealed box, it will to be provided with a baffle in the box two sealed spaces are separated into to the box: a flow discarding chamber and a rainwater filtering chamber; wherein,
the top and the bottom of the abandoning chamber are respectively provided with a rain collecting funnel and a sewage outlet, the water outlet end of the rain collecting funnel is communicated with the abandoning chamber, a group of fixed pulleys are arranged in the abandoning chamber, one arm of each fixed pulley vertically draws the water containing tank, the other arm vertically draws a heavy object, the mass of the heavy object is slightly smaller than that of the water containing tank after the water containing tank is filled with water, the bottom surface of the water containing tank is provided with a rotatable baffle plate, and one end, close to the partition plate, of the upper surface of the baffle plate is vertically and fixedly provided with a water diversion groove;
rainwater filter chamber, its and abandon and be equipped with the first baffle of seting up first through-hole between the class room, the height of first through-hole with the highly uniform of running water in the diversion flume, one connection of first through-hole rigid coupling is to the first leading water pipe of rainwater filter chamber bottom, rainwater filter chamber separates into coarse filtration section, thin section of straining and disinfection section in proper order, be equipped with the second baffle that the second through-hole was seted up on upper portion between coarse filtration section and the thin section of straining, one connection of second through-hole rigid coupling is to the second leading water pipe of thin section of straining bottom, be equipped with the third baffle that the third through-hole was seted up on upper portion between thin section of straining and the disinfection section, one connection of third through-hole rigid coupling is to the third leading water pipe of disinfection section bottom, the top of disinfection section is equipped with the delivery.
Preferably, the bottom of the water containing tank is provided with a hole capable of leaking water, and the radius of the hole is 0.1-0.3 mm.
Preferably, the top of the rain collecting funnel is provided with a convex filter cover, and the aperture of the convex filter cover is 1-5 mm.
Preferably, the height of the water containing tank is 3-6 mm.
Preferably, a wedge-shaped cushion block is arranged in the water diversion groove, and the height of the wedge-shaped cushion block is gradually reduced along the water flow direction.
Preferably, the main body of the rough filtering section is calcium sulfite particles, silver-loaded activated carbon and PP cotton in a volume ratio of: 1: 1, and the PP cotton is 5 mu mPP cotton.
Preferably, the main body of the fine filtering section is an ABS rubber piece fixed with ultrafiltration membrane filaments, and the filtering precision of the ultrafiltration membrane filaments is 0.01 micrometer.
Preferably, the main body of the sterilizing section is an ABS sheet rubber member including a polyvinylidene fluoride filter membrane, and the ABS sheet rubber member is uniformly laid in the sterilizing section.
The invention designs and develops a roof rainwater recovery device. The present invention has the following advantages in that,
the adaptability is good: the invention can be made into different sizes to adapt to different roofs according to the requirements. The roof is suitable for the common sloping roof in the south and the common horizontal roof in the north; it is suitable for local use in small range and wide range.
The structure is simple: the rainwater collection device comprises a box body which is integrated into a whole, wherein the rainwater drainage part uses a movable pulley as a connecting piece for drainage sewage, the design is reasonable, and the rainwater collection part adopts three-stage filtration, so that the rainwater is finely treated.
The preparation is convenient: the movable pulley adopted by the invention is made of steel material, and the manufacture of the structure can be finished through simple processing; the box body, the rain collecting funnel and the water containing tank are made of steel or plastic materials, and the materials are easy to obtain; the rough filtration section, the fine filtration section and the disinfection section can be purchased directly according to materials.
Safe and reliable: the raw materials of the rough filtering section, the fine filtering section and the sterilizing section are all materials suitable for the drinking water standard of residents, so that heavy metals and impurities in rainwater can be effectively reduced, and the water safety is ensured.
Good economical efficiency: the invention has low manufacturing cost and convenient maintenance, and can effectively reduce the project cost.
The application prospect is good: the invention has great significance for protecting water resources, can be widely used for the life of residents, and has good application prospect.
Drawings
Fig. 1 is a schematic structural view of the roof rainwater recycling device of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
A roof rainwater recovery device comprising:
the top and the bottom of the abandoning chamber 1 are respectively provided with a rain collecting funnel 105 and a sewage outlet, the water outlet end of the rain collecting funnel 105 is communicated with the abandoning chamber 1, a group of fixed pulleys 101 are arranged inside the abandoning chamber 1, one arm of each fixed pulley 101 vertically pulls a water containing tank 102, the other arm vertically pulls a heavy object 103, the mass of each heavy object 103 is slightly smaller than that of the water containing tank 102 after being filled with water, the bottom surface of the water containing tank 102 is provided with a rotatable baffle plate 104, and one end, close to the partition plate, of the upper surface of the baffle plate is vertically and fixedly provided with a water diversion groove 106;
rainwater filter chamber 2, its and abandon and be equipped with the first baffle 201 of seting up first through-hole between the room 1, the height of first through-hole with the highly uniform of running water in the diversion flume, one connection of first through-hole rigid coupling is to rainwater filter chamber bottom's first leading water pipe 202, rainwater filter chamber separates into coarse filtration section, fine filtration section and disinfection section in proper order, be equipped with the second baffle 203 that the second through-hole was seted up on upper portion between coarse filtration section and the fine filtration section, one connection of second through-hole rigid coupling is to the second leading water pipe 204 of fine filtration section bottom, be equipped with the third baffle 205 that the third through-hole was seted up on upper portion between fine filtration section and the disinfection section, one connection of third through-hole rigid coupling is to the third leading water pipe 206 of disinfection section bottom, the top of disinfection section is equipped with delivery port 207.
The bottom of the water containing tank 102 is provided with tiny holes capable of leaking water, when the water containing tank is filled with water and falls, the initial-stage flow abandoning chamber in the water containing tank gradually flows out through the tiny holes, the holes of the tiny holes are very small, and the water in the water containing tank can be discharged usually after several hours, so that the flow abandoning purpose of automatically collecting/discharging the abandoned water is realized.
The rainwater collection funnel is characterized in that a filter screen is arranged outside the rainwater collection funnel, the filter screen is convex, large and light and thin sundries such as leaves and scraps of paper falling along with rainwater can automatically fall out of the rainwater collection funnel under the action of rainwater, the aperture size of the rainwater collection funnel is 1-5mm, and large-particle impurities can be removed.
The surface of the rainwater collection funnel is provided with a thread-shaped concave water channel, the rainwater can fall off more gently due to the concave water channel, and the tail end of the spiral concave water channel is provided with a plurality of vertical protrusions.
The height of the water containing tank 102 is 3-6mm, and experience shows that the early 3-6mm contains most impurities and should be abandoned when raining.
A wedge-shaped cushion block is arranged in the diversion trench 106, and the height of the wedge-shaped cushion block is gradually reduced along the water flow direction. When the diversion channel is in the horizontal state, due to the potential difference of the wedge-shaped cushion blocks, rainwater can flow to the rainwater filtering chamber more smoothly on the wedge-shaped cushion blocks on the diversion channel.
The main body of the rough filtering section is calcium sulfite particles, silver-loaded activated carbon and PP cotton in volume ratio: 1: 1, and the PP cotton is 5 mu mPP cotton.
Silver-loaded activated carbon refers to activated carbon loaded with silver ions, which is a broad-spectrum bactericidal material, and among the known metal ions, its antibacterial performance is strongest. The chemical structure of silver determines that the silver has higher catalytic capability, and the reduction potential of the silver in a high oxidation state is extremely high enough to generate atomic oxygen in the surrounding space. Atomic oxygen has strong oxidizing property and can be sterilized, and Ag+Can strongly attract the sulfhydryl (-SH) on the protease in the bacterial body, and can be rapidly combined with the sulfhydryl (-SH) to make the protease lose activity, so that the bacteria can be killed. When bacteria are covered by Ag+After killing, Ag+The bacterial bodies are dissociated from the bacterial bodies and then contacted with other bacterial colonies, and the process is repeatedly carried out, which is also the reason of the durability of the silver sterilization.
The PP cotton can effectively remove large-particle impurities such as rust, silt, ova and the like in the filtered liquid, has the characteristics of multilayer depth structure, large pollutant carrying capacity, large filtering flow and small pressure difference, is more sanitary and safe because the PP cotton does not contain any chemical adhesive, and can be used as domestic water completely, urban rainwater is usually acidic, and the PP cotton has acid resistance, alkali resistance, organic solution and oil resistance and good chemical stability, so the PP cotton can be used for a long time.
The main body of the fine filtering section is an ABS rubber piece fixed with ultrafiltration membrane filaments, and the filtering precision of the ultrafiltration membrane filaments is 0.01 micron.
In the process of ultrafiltration membrane screening, the pressure difference between two sides of the membrane is used as a driving force, the ultrafiltration membrane is used as a filtering medium, under a certain pressure, when a stock solution flows through the surface of the membrane, a plurality of fine micropores densely distributed on the surface of the ultrafiltration membrane only allow water and small molecular substances to pass through to form a permeate, and substances in the stock solution, the volume of which is greater than the micropore diameter of the surface of the membrane, are intercepted on the liquid inlet side of the membrane to form a concentrated solution, so that the purposes of purification, separation and concentration of the stock solution are realized. About 60 hundred million micropores of 0.01 micron are arranged on the wall of the ultrafiltration membrane filament pipe with the length of each meter, the pore diameter of the ultrafiltration membrane filament pipe only allows water molecules, beneficial mineral substances and trace elements in water to pass through, and the volume of the minimum bacteria is more than 0.02 micron, so that the bacteria, colloid, rust, suspended matters, silt, macromolecular organic matters and the like which are much larger than the volume of the bacteria can be intercepted by the ultrafiltration membrane, and the purification process is realized.
The main body of the disinfection section is an ABS sheet rubber part comprising a polyvinylidene fluoride filter membrane, and the ABS sheet rubber part is uniformly paved in the disinfection section.
When the water amount in the water containing tank 102 is small, the water containing tank is smaller than the weight 103, the horizontal position of the water containing tank 102 is higher than the weight 103, displacement can be generated after the water containing tank 102 is full of water, the water containing tank 102 falls down and simultaneously drives the water guide groove 106 to overturn, the water containing tank does not receive water any more, rainwater begins to fall on the water guide groove, the cross section of the water guide groove is a concave surface, the water guide groove forms a concave surface water channel, the rainwater enters the bottom of the rough filtering section through the first through hole and the first water guide pipe, and when the water level rises continuously, the rainwater enters the fine filtering section and the disinfecting section in sequence, finally, the rainwater is clean and sanitary water which comes out from the outlet 207.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides a roof rainwater recovery unit, its characterized in that, roof rainwater recovery unit is sealed box, be provided with a baffle in the box will two sealed spaces are separated into to the box: a flow discarding chamber and a rainwater filtering chamber; wherein,
the top and the bottom of the abandoning chamber are respectively provided with a rain collecting funnel and a sewage outlet, the water outlet end of the rain collecting funnel is communicated with the abandoning chamber, a group of fixed pulleys are arranged in the abandoning chamber, one arm of each fixed pulley vertically draws the water containing tank, the other arm vertically draws a heavy object, the mass of the heavy object is slightly smaller than that of the water containing tank after the water containing tank is filled with water, the bottom surface of the water containing tank is provided with a rotatable baffle plate, and one end, close to the partition plate, of the upper surface of the baffle plate is vertically and fixedly provided with a water diversion groove;
rainwater filter chamber, its and abandon and be equipped with the first baffle of seting up first through-hole between the class room, the height of first through-hole with the highly uniform of running water in the diversion flume, one connection of first through-hole rigid coupling is to the first leading water pipe of rainwater filter chamber bottom, rainwater filter chamber separates into coarse filtration section, thin section of straining and disinfection section in proper order, be equipped with the second baffle that the second through-hole was seted up on upper portion between coarse filtration section and the thin section of straining, one connection of second through-hole rigid coupling is to the second leading water pipe of thin section of straining bottom, be equipped with the third baffle that the third through-hole was seted up on upper portion between thin section of straining and the disinfection section, one connection of third through-hole rigid coupling is to the third leading water pipe of disinfection section bottom, the top of disinfection section is equipped with the delivery.
2. The roof rainwater recycling device according to claim 1, wherein the bottom of the water containing tank is provided with a water-leaking hole, and the radius of the hole is 0.1-0.3 mm.
3. The roof rainwater recycling device according to claim 2, wherein the top of the rainwater collecting funnel is provided with a filter cover, the filter cover is convex, and the aperture size of the filter cover is 1-5 mm.
4. A roof rainwater recovery device according to claim 3 wherein the height of the water tank is 3-6 mm.
5. The roof rainwater recovery device of claim 4 wherein a wedge block is provided in said gutter, said wedge block having a height that decreases gradually in the direction of water flow.
6. The roof rainwater recovery device according to claim 5, wherein the main body of the coarse filtration section is calcium sulfite particles, silver-loaded activated carbon and PP cotton in a volume ratio of: 1: 1, and the PP cotton is 5 mu mPP cotton.
7. The roof rainwater recycling device according to claim 6, wherein the main body of the fine filtering section is an ABS rubber member fixed with ultrafiltration membrane filaments, and the filtration precision of the ultrafiltration membrane filaments is 0.01 micron.
8. The roof rainwater recovery device of claim 7 wherein the body of said disinfection section is an ABS sheet rubber provided with a polyvinylidene fluoride filter membrane, said ABS sheet rubber being uniformly laid in said disinfection section.
CN201510157534.XA 2015-04-03 2015-04-03 Roof rainwater recycling device Active CN104805886B (en)

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CN104805886B CN104805886B (en) 2017-02-22

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105417763A (en) * 2016-01-08 2016-03-23 华中科技大学 Initial rainwater purifying and receiving device
CN107839583A (en) * 2017-09-25 2018-03-27 江苏格瑞德交通科技有限公司 A kind of application method of caravan collecting system
CN112878436A (en) * 2021-01-22 2021-06-01 内蒙古农业大学 Mobile self-cleaning water storage device
CN118901642A (en) * 2024-08-30 2024-11-08 通威农业发展有限公司 Automatic feeding assembly, culture pond and culture system for penaeus vannamei boone culture

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3360225B2 (en) * 1993-12-14 2002-12-24 清水建設株式会社 Rainwater purification tank
CN1796670A (en) * 2004-12-28 2006-07-05 王基贤 Method and installation for collecting and using rain water on flat roof
CN201678540U (en) * 2010-04-06 2010-12-22 上海市松江一中 A rainwater collection and purification treatment device
CN202122876U (en) * 2011-06-16 2012-01-25 上海海洋大学 Rainwater recycling system
CN203145170U (en) * 2013-01-29 2013-08-21 大连海洋大学 Rainwater recycling device
CN203891120U (en) * 2014-05-24 2014-10-22 薛坤 Clean rainwater collecting and utilizing device
CN204690831U (en) * 2015-04-03 2015-10-07 广西威尔森环保科技开发有限公司 A kind of roof rain water retracting device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3360225B2 (en) * 1993-12-14 2002-12-24 清水建設株式会社 Rainwater purification tank
CN1796670A (en) * 2004-12-28 2006-07-05 王基贤 Method and installation for collecting and using rain water on flat roof
CN201678540U (en) * 2010-04-06 2010-12-22 上海市松江一中 A rainwater collection and purification treatment device
CN202122876U (en) * 2011-06-16 2012-01-25 上海海洋大学 Rainwater recycling system
CN203145170U (en) * 2013-01-29 2013-08-21 大连海洋大学 Rainwater recycling device
CN203891120U (en) * 2014-05-24 2014-10-22 薛坤 Clean rainwater collecting and utilizing device
CN204690831U (en) * 2015-04-03 2015-10-07 广西威尔森环保科技开发有限公司 A kind of roof rain water retracting device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105417763A (en) * 2016-01-08 2016-03-23 华中科技大学 Initial rainwater purifying and receiving device
CN105417763B (en) * 2016-01-08 2018-04-27 华中科技大学 A kind of initial rainwater purifies holding device
CN107839583A (en) * 2017-09-25 2018-03-27 江苏格瑞德交通科技有限公司 A kind of application method of caravan collecting system
CN112878436A (en) * 2021-01-22 2021-06-01 内蒙古农业大学 Mobile self-cleaning water storage device
CN118901642A (en) * 2024-08-30 2024-11-08 通威农业发展有限公司 Automatic feeding assembly, culture pond and culture system for penaeus vannamei boone culture

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