NL2032186B1 - A Rapid Biological Purification Treatment System for Stagnant Rainwater - Google Patents

A Rapid Biological Purification Treatment System for Stagnant Rainwater Download PDF

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Publication number
NL2032186B1
NL2032186B1 NL2032186A NL2032186A NL2032186B1 NL 2032186 B1 NL2032186 B1 NL 2032186B1 NL 2032186 A NL2032186 A NL 2032186A NL 2032186 A NL2032186 A NL 2032186A NL 2032186 B1 NL2032186 B1 NL 2032186B1
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Netherlands
Prior art keywords
rainwater
layer
overflow
pipe
overflow pipe
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NL2032186A
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Dutch (nl)
Inventor
Geng Dongxian
Wang Boxin
Chen Wei
Wang Jing
Zhang Dasheng
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Hebei Inst Of Water Science
Hebei Water Science & Tech Co Ltd
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Priority to NL2032186A priority Critical patent/NL2032186B1/en
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Publication of NL2032186B1 publication Critical patent/NL2032186B1/en

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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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
    • 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
    • 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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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biotechnology (AREA)
  • Botany (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Biological Wastes In General (AREA)

Abstract

The invention discloses a rapid biological purification treatment system for stagnant rainwater, which comprises a surface rainwater retention layer, a planting soil cover layer, a planting soil layer, a sand ratio layer and a rainwater collector, wherein the rainwater retention layer can retain rainwater in the rainy season, and purify and filter rainwater through plant roots, the planting soil layer, the sand ratio layer and the rainwater collector; When heavy rain or rainstorm occurs, the overflow valve can realize rapid overflow, and prevent the rain of rapids from causing damage to vegetation erosion. The invention has simple structure and low cost, and the retention biological rainwater purification treatment system can store, percolate, evaporate and intercept rainwater from the source of rainwater. By skillfully designing the position relationship of surface rainwater retention layer, planting soil cover layer, planting soil layer, sand ratio ayer and rainwater collector and the design of overflow valve, plants, soil and pipes can be used to realize the retention, purification, retention and overflow of runoff rainwater.

Description

A Rapid Biological Purification Treatment System for Stagnant Rainwater
TECHNICAL FIELD
The invention relates to the technical field of rainwater retention, in particular to a rapid biological purification treatment system for retained rainwater.
BACKGROUND
With the acceleration of urbanization, problems such as deterioration of urban water quality and flood disasters caused by rainwater have become increasingly prominent. On the one hand, due to unreasonable urban development, the surface area of permeable ground is becoming less and less, and the non-point source pollution caused by storm runoff has become an important reason for the deterioration of urban water environment. Rainfall contains many pollutants such as suspended solids, oxygen-consuming substances, nutrients, toxic substances, oils and fats, etc. These pollutants flow into the urban pipe network system with runoff, which easily causes water pollution.
At present, the urban rainwater collection and purification treatment mainly filters the larger dirt of the surface runoff through the rainwater grate, Gathered in the sewage yard for centralized treatment and purification. On the one hand, the pipeline is long, and a large amount of soil and garbage enter the pipeline together with the sewage, which is easy to cause blockage of the pipeline and reduce the cross section of the rainwater pipe network. At the same time, due to the large concentration of rainwater, it is easy to cause urban waterlogging, which directly affects the purification treatment effect.
SUMMARY
The technical problem to be solved by the invention is to provide a retention biological rainwater purification treatment system with simple structure and low cost, which can store, percolate, evaporate and intercept rainwater from the source of rainwater, and realize the storage, percolation, purification, retention and overflow of runoff rainwater through plants, soil and canal systems.
To solve the above technical problems, the technical scheme provided by the invention is as follows: a rapid biological purification treatment system for stagnant rainwater comprises a surface rainwater retention layer, a planting soil covering layer, a planting soil layer, a sand ratio layer and a rainwater collector, It is located on the surface of the rapid rainwater purification treatment system for retention organisms, and is used for collecting runoff rainwater and temporarily storing the retention rainwater when the runoff is large. The planting soil cover layer is located at the lower part of the surface rainwater retention layer and connected with the planting soil cover layer to prevent the rainwater runoff from directly washing the surface soil layer, Reduce soil erosion, the planting soil layer is located at the lower part of the planting soil covering layer, the lower part is paved with permeable geotextile, the carrier of plant planting and growth, the biological root system provides a medium for biological growth and decomposition of organic matters, purifies rainwater and filters rainwater pollutants, and the sand ratio layer is located at the lower part of the planting soll layer, Comprise a sand layer and a gravel lay, wherein that sand layer is positioned at the upper part of the gravel layer, the low part of the gravel layer is paved with an anti-seepage film, The perforated drainage pipe is used for collecting rainwater, which is located above the impervious membrane. In the gravel layer, rainwater is collected by the perforated drainage pipe, and then flows into the rainwater pipe channel. The overflow pipe is connected with the rainwater pipe channel for discharging rainwater overflow, and the overflow valve is installed at the upper port of the overflow pipe.
Furthermore, the hole opening rate of the perforated drain pipe is not less than 2% and the hole diameter is 2-10mm.
Furthermore, the upper part of the overflow pipe should be 10-15cm higher than the overburden of planting soil.
Furthermore, the sand ratio layer comprises a sand layer and a gravel layer, wherein the sand layer is located at the upper part of the gravel layer, the thickness of the sand layer is 210cm, and the thickness of the gravel layer is =20cm.
Furthermore, the upper port of the overflow pipe is provided with an overflow valve, which comprises a cup, an overflow cover, a filter screen and a positioning pin, wherein the cup is sleeved on the overflow pipe and fixed by the positioning pin; the overflow cover covers the upper port of the overflow pipe, and the lower end is connected with the cup through a buckle; and the filter screen is fixed on the upper port of the overflow pipe and sleeved in the overflow cover.
Furthermore, the leather cup is sleeved on the overflow pipe and can move up and down along the overflow pipe.
Furthermore, the overflow pipe sleeved in the overflow cover is provided with a drain hole.
Compared with the prior art, the invention has the advantages that: 1. In the rainy season, the rainwater retention layer can retain rainwater in a pool, and purify and filter rainwater through plant roots, planting soil layers, sand rate layers and rainwater collectors; 2. By using the overflow pipe design of the rainwater collector, rapid overflow can be realized when heavy rain or rainstorm occurs, so as to prevent the rain of the rapids from causing certain damage to vegetation erosion during heavy rain or rainstorm; 3. The permeable geotextile design of planting soil cover layer, together with sand layer and gravel layer, reduces the blockage of perforated drainage pipe, effectively slows down the erosion of vegetation soil layer by rainwater, prevents the perforated drainage pipe from flowing out, and further protects planting soil cover layer, planting soil layer and planting soil cover layer. 4. The unique overflow valve design, firstly, can adjust the overflow volume of the overflow pipe according to the amount of rainwater or the depth of stagnant water; secondly, the design of the leather cup at the lower part of the overflow valve effectively prevents the overflow of the initial rain and plays a certain role in settling; thirdly, the overflow pipe sleeved in the overflow cover is provided with a drain hole, which can quickly realize the overflow discharge.
Arapid biological purification treatment system for stagnant rainwater is simple in structure and low in cost. It stores, infiltrates, evaporates and intercepts rainwater from the source of rainwater. By skillfully designing the position relationship of surface rainwater retention layer, planting soil cover layer, planting soil layer, sand ratio layer and rainwater collector and the design of overflow valve, the plant, soil and microbial system are used to realize the storage, infiltration, purification, retention and overflow of runoff rainwater.
BRIEF DESCRIPTION OF THE FIGURES
Figure 1 is a structural schematic diagram of a rapid biological purification treatment system for stagnant rainwater of the invention.
Figure 2 is the sectional structure schematic diagram of the relief valve of the invention.
As shown in the figure: 1. Surface rainwater retention layer, 2. Planting soil cover layer, 3. Planting soil layer, 4. Sand bed, 5. Rainwater collector, 6. Overflow pipe, 7. Overflow valve, 8. Permeable geotextile, 9. Sand layer, 10. Perforated drain pipe, 11. Gravel layer, 12. Impermeable membrane, 13. Rainwater irrigation canal, 71. Leather bowl, 72. Overflow cover, 73 Screen, 74. Positioning pin, 75.
Drain hole
DESCRIPTION OF THE INVENTION
The invention will be further explained in detail with the attached figures.
Combined with Figure 1, A rapid biological purification treatment system for stagnant rainwater comprises a surface rainwater retention layer 1, Planting soil cover layer 2, Planting soil layer 3, A sand layer 4 and a rainwater collector 5,
wherein the surface rainwater retention layer 1, Located on the surface of the rapid rainwater purification treatment system of stranded organisms for collecting runoff rainwater and temporarily storing the stagnant rainwater when the runoff is large, the planting soil cover layer 2, The lower part of the surface 5 rainwater retention layer 1 is connected with the planting soil covering layer 3,
Prevent the direct erosion of rainwater runoff on the surface soil layer and reduce soil erosion. The planting soil layer is 3, Located at the lower part of the planting soil covering layer 2, the lower part is paved with permeable geotextile 8, a carrier for plant planting and growth, which provides a medium for biological growth and decomposition of organic matters through biological roots, purifies rainwater and filters rainwater pollutants, The sand ratio layer 4, Located at the lower part of the planting soil layer 3, it comprises a sand layer 9 and a gravel layer 11, wherein the sand layer 9 is located at the upper part of the gravel layer 11, and the lower part of the gravel layer 11 is paved with an impermeable film 12,
The rainwater collector 5 includes a perforated drainage pipe 10, an overflow pipe 6, a rainwater pipe channel 13, and an overflow valve 7, The perforated drainage pipe 10 is used to collect the permeated rainwater and is located above the impervious film 12, In the gravel layer 11, the rainwater is collected by the perforated drainage pipe 10 and then flows into the rainwater pipe channel 13,
The overflow pipe 6 is connected with the rainwater pipe channel 13 and used to discharge the rainwater overflow. The overflow valve 7 is installed at the upper port of the overflow pipe 6.
Furthermore, the perforated drain pipe 10 has a hole ratio of not less than 2% and a hole diameter of 2-10mm.
Furthermore, the upper part of the overflow pipe 6 should be 10-15cm higher than the planting soil covering layer 2.
Furthermore, the sand ratio layer 4 comprises a sand layer 9 and a gravel layer 11, wherein the sand layer 9 is located at the upper part of the gravel layer 11, the thickness of the sand layer 9 is 210cm, and the thickness of the gravel layer
11 is 20cm.
Furthermore, the upper port of the overflow pipe 6 is provided with an overflow valve 7, the overflow valve 7 comprises a leather cup 71, an overflow cover 72, a filter screen 73 and a positioning pin 74, the cup 71 is sleeved on the overflow pipe 6 and fixed by the positioning pin 74, the overflow cover 72 covers the upper port of the overflow pipe 6, and its lower end is connected to the cup 71 by a buckle, the filter screen 73 is fixed on the upper port of the overflow pipe 6 and sleeved in the overflow cover 72.
Furthermore, the leather cup 71 is sleeved on the overflow pipe 6 and can move up and down along the overflow pipe 6.
Furthermore, in the overflow valve 7, the overflow pipe 6 sleeved in the overflow cover is provided with a drain hole 75.
The invention utilizes the design of the overflow pipe of the rainwater collector, which can realize rapid overflow when heavy rain or rainstorm occurs, and prevent the rain of the rapids from causing certain damage to vegetation erosion during heavy rain or rainstorm; In the rainy season, the rainwater retention layer can retain rainwater in a pool, and purify and filter rainwater through plant roots, planting soil layers, sand rate layers and rainwater collectors; The unique overflow valve design, firstly, can adjust the overflow volume of the overflow pipe according to the amount of rainwater or the depth of stagnant water; secondly, the design of the leather cup at the lower part of the overflow valve effectively prevents the overflow of the initial rain and plays a certain role in settling; thirdly, the overflow pipe sleeved in the overflow cover is provided with a drain hole, which can quickly realize the overflow discharge.
The invention relates to a rapid biological purification treatment system for stagnant rainwater, which is simple in structure and low in cost, stores, percolates, evaporates and intercepts rainwater from the source of rainwater, By skillfully designing the position relationship of surface rainwater retention layer, planting soil cover layer, planting soil layer, sand ratio layer and rainwater collector and the design of overflow valve, the runoff rainwater can be stored, purified, retained and overflowed by using plant, soil and pipe canal system.
The above-mentioned invention and its implementation mode are described, and this description is not restrictive. What is shown in the attached figure is only one of the implementation modes of the invention, and the actual structure is not limited to this. In a word, if the ordinary technicians in this field are inspired by it, and without departing from the creation purpose of this invention, they can design the structure and example similar to this technical scheme without creativity, all of which belong to the protection scope of this invention.

Claims (7)

ConclusiesConclusions 1. Een snel biologisch zuiveringssysteem voor stilstaand regenwater bestaat uit een oppervlakte-regenwaterretentielaag (1), plantbodemdeklaag (2), plantbodemlaag (3), zandafvoerlaag (4) en regenwatercollector (5), met het kenmerk dat: de oppervlakteregenwaterretentielaag (1) zich bevindt op het oppervlak van het systeem en wordt gebruikt voor het opvangen van afstromend hemelwater en het tijdelijk opslaan van het vastgehouden hemelwater bij groot afvloeiend water; de plantbodembedekkende laag (2), het onderste deel van de oppervlakteregenwaterretentielaag (1) is verbonden met de plantbodemdeklaag (3) om de directe erosie van regenwaterafvoer op de oppervlaktebodemlaag te voorkomen en bodemerosie te verminderen, de plantbodemlaag (3), gelegen op het onderste deel van de plantbodembedekkende laag (2), het onderste deel is bestraat met doorlatend geotextiel (8), een drager voor plantaanplant en -groei, die een medium biedt voor biologische groei en afbraak van organische stoffen door biologische wortels, zuivert regenwater en filtert regenwaterverontreinigende stoffen, de zandafvoerlaag (4), gelegen in het onderste deel van de plantbodemdeklaag (3), deze omvat een zandlaag (9) en een grindlaag (11), waarbij de zandlaag (9) zich op het bovenste deel van de grindlaag (11) bevindt, en het onderste deel van de grindlaag (11) is verhard met een ondoordringbare membraan (12), de regenwatercollector (5) omvat een geperforeerde drainagebuis (10), een overloopleiding (6), een hemelwaterleidingkanaal (13) en een overstortventiel (7), waarbij de geperforeerde afvoerleiding (10) wordt gebruikt voor het opvangen van doorgedrongen hemelwater, gelegen boven het ondoordringbare membraan (12), in de grindlaag (11), hemelwater wordt opgevangen door de geperforeerde afvoerleiding (10) en stroomt dan in het hemelwaterleidingkanaal (13), de overloopleiding (6) is verbonden met het hemelwaterleidingkanaal (13) en wordt gebruikt voor de afvoer van de hemelwateroverloop, en het overstortventiel (7) is geïnstalleerd bij de bovenste poort van de overloopleiding (6).1. A rapid biological purification system for stagnant rainwater consists of a surface rainwater retention layer (1), plant soil cover layer (2), plant soil layer (3), sand drainage layer (4) and rainwater collector (5), characterized in that: the surface rainwater retention layer (1) is is located on the surface of the system and is used to collect stormwater runoff and temporarily store the retained rainwater in the event of large runoff; the plant soil cover layer (2), the lower part of the surface rainwater retention layer (1) is connected to the plant soil cover layer (3) to prevent the direct erosion of rainwater runoff on the surface soil layer and reduce soil erosion, the plant soil layer (3), located on the lower part of the plant ground cover layer (2), the lower part is paved with permeable geotextile (8), a support for plant planting and growth, which provides a medium for biological growth and decomposition of organic substances by biological roots, purifies rainwater and filters rainwater pollutants substances, the sand drainage layer (4), located in the lower part of the plant soil cover layer (3), which comprises a sand layer (9) and a gravel layer (11), with the sand layer (9) located on the upper part of the gravel layer (11). ) is located, and the lower part of the gravel layer (11) is paved with an impermeable membrane (12), the rainwater collector (5) includes a perforated drainage pipe (10), an overflow pipe (6), a rainwater pipe channel (13) and an overflow valve (7), where the perforated drainage pipe (10) is used to collect rainwater that has penetrated, located above the impermeable membrane (12), in the gravel layer (11), rainwater is collected by the perforated drainage pipe (10) and then flows into the rainwater pipe channel (13), the overflow pipe (6) is connected to the rainwater pipe channel (13) and is used for draining the rainwater overflow, and the overflow valve (7) is installed at the upper port of the overflow pipe (6). 2. Een snel biologisch zuiveringssysteem voor stilstaand regenwater volgens conclusie 1 wordt gekenmerkt doordat: De geperforeerde afvoerleiding (10) een opening heeft van niet minder dan 2% en een opening van 2-10 mm.A rapid biological purification system for stagnant rainwater according to claim 1, characterized in that: The perforated drain pipe (10) has an opening of not less than 2% and an opening of 2-10 mm. 3. Een snel biologisch zuiveringssysteem voor stilstaand regenwater volgens conclusie 1, met het kenmerk, dat: het bovenste deel van de overloopbuis (6) 10-15 cm hoger dient te zijn dan de plantgrondbedekkende laag (2).A rapid biological purification system for stagnant rainwater according to claim 1, characterized in that: the upper part of the overflow pipe (6) should be 10-15 cm higher than the plant soil covering layer (2). 4. Een snel biologisch zuiveringssysteem voor stilstaand regenwater, volgens conclusie 1 wordt gekenmerkt doordat de zandafvoerlaag (4) een zandlaag (9) en een grindlaag (11) omvat, waarbij de zandlaag (9) zich op het bovenste deel van de grindlaag ( 11), de dikte van de zandlaag (9) is >10cm en de dikte van de grindlaag (11) is > 20.A rapid biological purification system for stagnant rainwater, according to claim 1, characterized in that the sand drainage layer (4) comprises a sand layer (9) and a gravel layer (11), wherein the sand layer (9) is located on the upper part of the gravel layer (11). ), the thickness of the sand layer (9) is >10cm and the thickness of the gravel layer (11) is >20. 5. Een snel biologisch zuiveringssysteem voor stilstaand regenwater, volgens conclusie 1, met het kenmerk, dat de bovenste poort van de overloopleiding (6) is voorzien van een overstroomventiel (7), en het overstroomventiel (7) een leren beker (71), een overloopdeksel (72), een filterzeef (73) en een positioneringspen (74), de lederen beker (71) is om de overlooppijp (6) gehuld en gefixeerd door een positioneringspen (74), en het overloopdeksel (72) bedekt de bovenste poort van de overlooppijp (6), het lage uiteinde is verbonden met die leren beker (71) via een gesp, en het filterzeef (73) wordt vastgemaakt aan de bovenste poort van de overloopleiding (6) en in de overloopdeksel (72).A rapid biological purification system for stagnant rainwater, according to claim 1, characterized in that the upper port of the overflow pipe (6) is provided with an overflow valve (7), and the overflow valve (7) has a leather cup (71), an overflow cover (72), a filter screen (73) and a positioning pin (74), the leather cup (71) is wrapped around the overflow pipe (6) and fixed by a positioning pin (74), and the overflow cover (72) covers the top port of the overflow pipe (6), the low end is connected to that leather cup (71) via a buckle, and the filter strainer (73) attaches to the upper port of the overflow pipe (6) and into the overflow cover (72). 6. Een snel biologisch zuiveringssysteem voor stilstaand regenwater, volgens conclusie 5 wordt gekenmerkt doordat de overstroomventiel (7) is geïnstalleerd bij de bovenste poort van de overloopleiding (6), de lederen beker (71) is gehuld op de overloopleiding (6), en de leren beker (71) is gehuld op de overloopleiding (6) en kan langs de overloopleiding (6) op en neer bewegen.A rapid biological purification system for stagnant rainwater, according to claim 5, characterized in that the overflow valve (7) is installed at the upper port of the overflow pipe (6), the leather cup (71) is shrouded on the overflow pipe (6), and the leather cup (71) is shrouded on the overflow pipe (6) and can move up and down along the overflow pipe (6). 7. Een snel biologisch zuiveringssysteem voor stilstaand regenwater, volgens conclusie 5 wordt gekenmerkt doordat de overstroomventiel (7) is geïnstalleerd bij de bovenste opening van de overloopleiding (6), en de overstortleiding (6) die is gehuld in het overloopdeksel van de overstroomventiel (7) voorzien van een waterafvoergat (75).A rapid biological purification system for stagnant rainwater, according to claim 5, characterized in that the overflow valve (7) is installed at the upper opening of the overflow pipe (6), and the overflow pipe (6) is shrouded in the overflow cover of the overflow valve ( 7) equipped with a water drainage hole (75).
NL2032186A 2022-06-16 2022-06-16 A Rapid Biological Purification Treatment System for Stagnant Rainwater NL2032186B1 (en)

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NL2032186A NL2032186B1 (en) 2022-06-16 2022-06-16 A Rapid Biological Purification Treatment System for Stagnant Rainwater

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NL2032186B1 true NL2032186B1 (en) 2024-01-04

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