CN108360645A - Gravity type high position rainwater purification system - Google Patents
Gravity type high position rainwater purification system Download PDFInfo
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- CN108360645A CN108360645A CN201810065180.XA CN201810065180A CN108360645A CN 108360645 A CN108360645 A CN 108360645A CN 201810065180 A CN201810065180 A CN 201810065180A CN 108360645 A CN108360645 A CN 108360645A
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- purification system
- collection header
- rainwater
- membrane module
- rainwater collection
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of gravity type high position rainwater purification systems, including high-order rainwater collection header, standpipe, rain leader downspout, membrane module purification system and filtered water tank, rain leader downspout is set to side outside high-order rainwater collection header, the upper end of high-order rainwater collection header is connected with collector pipe, standpipe upper end is connect with the lower end of high-order rainwater collection header, the lower end of standpipe is connect with the import of membrane module purification system, the purge outlet of membrane module purification system is connect by pipeline with filtered water tank, and the outlet of sewer of membrane module purification system is connect by pipeline with rain leader downspout.Realize the separating effect of extraneous zero energy input, technological design is simple, good purification, stable effluent quality is good, the problem of making full use of rainwater resource, alleviate shortage of water resources, it can simultaneously be effectively solves the problems, such as that urban drainage pipe network flood peak shifts to an earlier date, realizes the improvement of waterlogging.
Description
Technical field
The present invention relates to rainwater purification technical fields, and in particular to a kind of gravity type high position rainwater purification system.
Background technology
With the quickening of China's Urbanization Construction process, shortage of water resources is lacked to have become and currently urgently be solved with water environment pollution
Significant problem certainly.Due to the influence of space-time condition, northern China belongs to resource-type water shortage, and North China is due to excessive exploitation
Lower water forms maximum cone of groundwater in the world, and serious surface subsidence occur in the ground such as Cangzhou and Hengshui or fracture is existing
As.At the same time, with the getting worse of environmental pollution, the current whole nation is faced with water quality type water shortage, and major water system is not by
With the pollution of degree, good supply water sources are reduced year by year.It is fast that the growth of city size results in underlying surface hardening area
Speed expands, and going to wreck property of the surrounding water system ecosystem is destroyed, and flood peak generates in advance in Storm Sewer Network, results in more ground urban district and goes out
Existing large area waterlogging.
Sponge city is a kind of embodiment of Ecological Civilization Construction theory, by reinforcing urban planning and construction, gives full play to and builds
Build, the ecosystems such as road and greenery patches water system to the infiltration of rainwater, be detained, regulate and store and catharsis, realize to runoff with it is dirty
Contaminate the new city development pattern of object control.Sponge urban construction can effectively be alleviated to be faced in Fast Urbanization process of construction
Water problems, improve aquatic ecosystem, recharge of groundwater promotes water utilization rate and solves the problems, such as urban waterlogging etc..Rain
Water warfare reuse technology has fully demonstrated the core concept of sponge urban construction, reduces urban waterlogging probability of happening, reduces flood control
Drain flooded fields construction, mitigate the discharge pressure of Storm Sewer Network, at the same can also be to a certain extent alleviation shortage of water resources
Problem.Rainwater purification is the effective way for realizing Rainwater Resources, is one of the important measure for improving resource utilization.
For high-order rainwater (including rain water on roof) compared with ground rainwater, advantage the most outstanding is that its own presence is higher
Potential energy.Technical equipment using high-order rainwater potential energy had occurred already, such as rain water on roof electricity generation system.However, utilizing potential energy pair
The device systems itself purified do not occur also, and current collection and purification device needs artificial input energy more, and exists
More shortcoming.
Contain a large amount of dust, the atmosphere pollutions such as dissolved gas, initial rainwater water in traditional grey roof rainwater
Matter is poor, and acidity is stronger.The direct collection untreated to rain water on roof of part roof rainwater collection purification system, results in equipment
Corrode, internal system blocks, and operational effect declines.Meanwhile the dissolubility pollutant inside rainwater is not at
Reason, is directly discharged into pipe network system.In this regard, becoming improvement direction in rain water collecting system front end setting pretreatment unit.Wherein
It is intercepted including addition grid, sandstone filtering, the facilities such as activated carbon adsorption layer make system become more complicated, construction cost and fortune
Row expense gradually increases.It is directed to water body purification part, technically mostly uses the mode of external energy to realize, therefore, energy consumption
Become current purge technology certainty problems faced.
Invention content
The technical problem to be solved by the present invention is in view of the foregoing defects the prior art has, provide a kind of gravity type
High-order rainwater purification system realizes the separating effect of extraneous zero energy input, and technological design is simple, good purification, is discharged water
Matter is moderately good, the problem of making full use of rainwater resource, alleviate shortage of water resources, can simultaneously be effectively solves municipal drainage pipe
The problem of net flood peak shifts to an earlier date realizes the improvement of waterlogging.
Used technical solution is the present invention to solve above-mentioned technical problem:
A kind of gravity type high position rainwater purification system, including high-order rainwater collection header, standpipe, rain leader downspout, membrane module are net
Change system and filtered water tank, rain leader downspout are set to side outside high-order rainwater collection header, the upper end connection of high-order rainwater collection header
There are collector pipe, standpipe upper end to be connect with the lower end of high-order rainwater collection header, the import of the lower end and membrane module purification system of standpipe
Connection, the purge outlet of membrane module purification system are connect by pipeline with filtered water tank, and the outlet of sewer of membrane module purification system is logical
Piping is connect with rain leader downspout.
According to above-mentioned technical proposal, membrane module purification system is equipped with gate valve between filtered water tank and rain leader downspout respectively.
According to above-mentioned technical proposal, it is equipped with gate valve and pressure reducing valve successively on standpipe.
According to above-mentioned technical proposal, the top of high-order rainwater collection header is equipped with manhole.
According to above-mentioned technical proposal, the collector pipe of high-order rainwater collection header pros is equipped with overflow port, and overflow port is equipped with
Dust cap.
According to above-mentioned technical proposal, the bottom of high-order rainwater collection header is more than 10m with the difference in height of membrane module purification system.
According to above-mentioned technical proposal, the water inlet of standpipe is set in high-order rainwater collection header, higher than high-order rainwater-collecting
The water inlet of the bottom of case, standpipe is equipped with dust cap.
According to above-mentioned technical proposal, the bottom of high-order rainwater collection header is connected with tapping pipe, tapping pipe and rain leader downspout phase
Even, tapping pipe is equipped with gate valve.
According to above-mentioned technical proposal, the bottom of high-order rainwater collection header is equipped with sludge hopper, water inlet and the collection mud of tapping pipe
The bottom of bucket connects.
According to above-mentioned technical proposal, collector pipe front end is connected with hose or perforated pipe, and hose or perforated pipe are embedded in
Soil layer lower part is transplanted, plant soil layer act as rainwater retention pretreatment, and plant soil layer is set on roofing composite layer.
The invention has the advantages that:
1. the driving force using the potential energy of high-order rainwater as rainwater in UF membrane purification process realizes extraneous zero energy
The technological design of the separating effect of input, this system is simple, and good purification, stable effluent quality is good, makes full use of rainwater
The problem of resource, to a certain degree alleviation shortage of water resources, what can simultaneously be effectively solution urban drainage pipe network flood peak shifted to an earlier date asks
Topic, realizes the improvement of waterlogging, is particularly suitable for roof.
2. the present invention is organically combined Green Roof technology with membrane separation technique, the high potential on roof itself is utilized
Energy purifying rainwater, and supply water for house owner, i.e., it is beautiful and energy saving, it is used convenient for directly docking for other systems, such as Treated sewage reusing system
The problem of system, Greenland Irrigation system etc. makes full use of rainwater resource, alleviates shortage of water resources to a certain degree.
Description of the drawings
Fig. 1 is the structural schematic diagram of gravity type high position rainwater purification system in the embodiment of the present invention;
Fig. 2 is the structural schematic diagram of roofing front end collector pipe in the embodiment of the present invention;
In figure, 1- collector pipes, 2- dust caps, 3- high position rainwater collection headers, 4- tapping pipes, 5- standpipes, 6- gate valves, 7- decompressions
Valve, 8- membrane module purification systems, 9- overflow ports, 10- manholes, 11- rain leader downspouts, 12- filtered water tanks, 13- parapets, 14- earth-retainings
Wall, 15- cobble buffer strips, 16- vegetable layers, 17- planting soils, 18- Water penetrative flexible pipes or perforated pipe, 19- roofing composite layers, 20- steel
Reinforced concrete roof boarding.
Specific implementation mode
The present invention is described in detail with reference to the accompanying drawings and examples.
Shown in referring to Fig.1~Fig. 2, the gravity type high position rainwater purification system in one embodiment provided by the invention, packet
High-order rainwater collection header 3, standpipe 5, rain leader downspout 11, membrane module purification system 8 and filtered water tank 12 are included, rain leader downspout 11 is set to
The upper end of 3 outside side of high-order rainwater collection header, high-order rainwater collection header 3 is connected with collector pipe 1,5 upper end of standpipe and high-order rain
The lower end of water collection tank 3 connects, and the lower end of standpipe 5 is connect with the import of membrane module purification system 8, membrane module purification system 8
Purge outlet is connect by pipeline with filtered water tank 12, and the outlet of sewer of membrane module purification system 8 passes through pipeline and rain leader downspout 11
Connection, the penetrating fluid that membrane module purification system 8 generates are collected by filtered water tank 12, and concentrate is discharged into rain leader downspout 11.
Further, membrane module purification system 8 is equipped with gate valve between filtered water tank 12 and rain leader downspout 11 respectively.
Further, gate valve 6 and pressure reducing valve 7 are equipped on standpipe 5 successively.
Further, the installation position of pressure reducing valve 7 adjusts pressure reducing valve 7 close to membrane module purification system 8, and control membrane module is net
Change system 8 internal pressure about 0.1MPa prevents pressure excessive or too small membrane module is caused to be unable to operate normally.
Further, the top of high-order rainwater collection header 3 is equipped with manhole 10;Convenient for manually cleaning and safeguarding.
Further, the square collector pipe 1 of high-order rainwater collection header 3 is equipped with overflow port 9, and overflow port 9 is equipped with dust-proof
Cap 2.
Further, the bottom of high-order rainwater collection header 3 and the difference in height of membrane module purification system 8 are more than 10m;The drop
It can guarantee the driving force inside membrane module, realize the purification of water body in high-order raintank.
Further, the water inlet of standpipe 5 is set in high-order rainwater collection header 3, higher than the case of high-order rainwater collection header 3
The water inlet at bottom, standpipe 5 is equipped with dust cap 2.
Further, solderable to be connected to water tank side wall, also can superelevation be set in bottom, nozzle setting direction is any direction,
Dust cap 2 is installed when nozzle direction is upward, prevents soil gravel particle from falling into standpipe 5.
Further, the bottom of high-order rainwater collection header 3 is connected with tapping pipe 4, and tapping pipe 4 is connected with rain leader downspout 11,
Tapping pipe 4 is equipped with gate valve;Internal ponding need to be emptied before high water tank maintenance by tapping pipe 4, tapping pipe 4 is equipped with the gradient, prevents
Deposit remains on inner wall of the pipe and blocks.
Further, the bottom of high-order rainwater collection header 3 is equipped with sludge hopper, the water inlet of tapping pipe 4 and the bottom of sludge hopper
Portion connects;Sludge hopper is discharged convenient for deposit.
Further, multiple membrane modules parallel with one another are equipped in membrane module purification system 8, ensure in operational process across
Membrane pressure is poor.
Further, seperation film is mainly microfiltration membranes and ultrafiltration membrane in membrane module, average pore size not preferably less than 20nm.Film group
Part form can be tubular type, doughnut, board-like, disc type or rolling.
Further, gate valve is set on each membrane module inlet pipeline, is safeguarded convenient for unit replacement;The filtering side of membrane module
Formula uses dead-end filtration method, when concentration polarization occurs for component, opens dead end valve, adjusts pressure reducing valve 7, increases system pressure,
Pressure flushing is carried out to film surface;The infiltration rate of membrane module is preferably controlled in 300~1000L/ (m2H), ensure operational effect
Can also it prevent component from damaging simultaneously.
Further, 1 front end of collector pipe is connected with hose or perforated pipe, and hose or perforated pipe are embedded in plant soil layer
Lower part, plant soil layer act as rainwater retention pretreatment, and plant soil layer is set on roofing composite layer 19;That is plant soil layer setting
In on roof, composite layer lower section is reinforced concrete roof board 20.
Further, it is equipped with roofing composite layer 19 and reinforced concrete roof board 20, hose successively below plant soil layer
Or perforated pipe is set to above composite layer, plant soil layer includes planting soil 17 and vegetable layer 16, and vegetable layer 16 is set to planting soil
On 17, the end of planting soil 17 is equipped with retaining wall 14, and cobble buffer strip 15, plant soil are equipped between retaining wall 14 and planting soil 17
Layer can be replaced by the filtration facilities such as grid or sandstone filter layer, prevent bulky grain sundries from entering high-order rainwater collection header 3;The collection
1 front end of water pipe is located at roofing plant soil layer lower part, is layed in sandstone layer.
The operation principle of the present invention:
Rainwater first passes around the filtering of roof planting layer, retains the atmosphere pollutions such as the fuel gas and dust being wherein mingled with, meanwhile, with
Soil interaction stabilizing water quality is transplanted, promotes pH to neutrality.The collector pipe 1 is located at plant layer bottom, is around filled out by rubble
It fills, filling mode is consistent with Water penetrative flexible pipe design method below town road dividing strip, collects filtered stable percolate.Institute
It states high-order rainwater collection header 3 to connect with collector pipe 1, for storing excessive percolate.Sludge hopper is arranged in rainwater-collecting bottom portion, just
Powder collection and discharge are not allowed in water body.The pressure reducing valve 7 is connected by standpipe 5 with high-order rainwater, and control valve is passed through
Realize the control to 8 internal pressure of membrane module purification system.8 its core component of the membrane module purification system is seperation film, point
Isolation of purified, the main colloid and dissolubility macromolecular removed in water body are realized to the water body in inflow system from film.Through
It crosses purified water body to be stored by filtered water tank 12, to use as him.
According to《Wuhan sponge urban construction technical standard atlas》Roof greening plantation cross-section structure design in (tentative), thoroughly
Preferably in 15~20 high concavity and convexity row (storage) water layers, superstructure is from top to bottom followed successively by for water hose or 18 installation site of perforated pipe
The thick planting soil 17 of vegetable layer 16,100~300,150~200g/cm2Non-woven fabrics filter layer.Precipitation is through vegetable layer 16 and planting soil
17 filterings, internal dust, organic matter and acidic materials have been obtained decomposing and neutralized.Under ooze rainwater pass through non-woven fabrics filter layer, warp
It is collected by Water penetrative flexible pipe or perforated pipe 18, high-order rainwater collection header 3 is imported eventually by collector pipe 1.1 upper end of the collector pipe is set
Overflow port 9 is set, adjection is connection air, stablizes high water tank internal pressure, and it is normal to prevent negative pressure influence system
Operation.The 3 bottom design grade of high position rainwater collection header meets sediment and voluntarily slides to collection preferably between 5 ‰ -10%
Bucket does not also influence service work in case.Gate valve is set on the tapping pipe 4, and 4 discharge outlet of tapping pipe connects with rain leader downspout 11
It connects, the gradient is not less than 1%, prevents that siltation blocking occurs in pipe.Gate valve and pressure reducing valve 7 are installed in 5 bottom of the standpipe, and top is located at
100 superelevation are set in high-order rainwater collection header 3, prevent 3 bottom sediment of high-order rainwater collection header from entering standpipe 5.The film group
Part water inlet end installs pressure gauge, is convenient for timely control assembly internal operation pressure.Concentrate water outlet is connect with rain leader downspout 11,
Its internal main component is the natural organic matters such as humic acid and fulvic acid, on water body environment without influence.Penetrating fluid connects filtered water tank
12 in case he uses.
Above is only presently preferred embodiments of the present invention, and of course, the scope of rights of the present invention cannot be limited by this,
Therefore according to equivalence changes made by scope of the present invention patent, still belong to protection scope of the present invention.
Claims (10)
1. a kind of gravity type high position rainwater purification system, which is characterized in that including high-order rainwater collection header, standpipe, rain leader downspout,
Membrane module purification system and filtered water tank, rain leader downspout are set to side outside high-order rainwater collection header, high-order rainwater collection header
Upper end is connected with collector pipe, and standpipe upper end is connect with the lower end of high-order rainwater collection header, and lower end and the membrane module purification of standpipe are
The import of system connects, and the purge outlet of membrane module purification system is connect by pipeline with filtered water tank, the dirt of membrane module purification system
Water out is connect by pipeline with rain leader downspout.
2. gravity type high position rainwater purification system according to claim 1, which is characterized in that membrane module purification system is distinguished
Gate valve is equipped between filtered water tank and rain leader downspout.
3. gravity type high position rainwater purification system according to claim 1, which is characterized in that be equipped with gate valve on standpipe successively
And pressure reducing valve.
4. gravity type high position rainwater purification system according to claim 1, which is characterized in that the top of high-order rainwater collection header
Portion is equipped with manhole.
5. gravity type high position rainwater purification system according to claim 1, which is characterized in that high-order rainwater collection header is square
Collector pipe be equipped with overflow port, overflow port be equipped with dust cap.
6. gravity type high position rainwater purification system according to claim 1, which is characterized in that the bottom of high-order rainwater collection header
Portion and the difference in height of membrane module purification system are more than 10m.
7. gravity type high position rainwater purification system according to claim 1, which is characterized in that the water inlet of standpipe is set to
In high-order rainwater collection header, higher than the bottom of high-order rainwater collection header, the water inlet of standpipe is equipped with dust cap.
8. gravity type high position rainwater purification system according to claim 1, which is characterized in that the bottom of high-order rainwater collection header
Portion is connected with tapping pipe, and tapping pipe is connected with rain leader downspout, and tapping pipe is equipped with gate valve.
9. gravity type high position rainwater purification system according to claim 8, which is characterized in that the bottom of high-order rainwater collection header
Portion is equipped with sludge hopper, and the water inlet of tapping pipe and the bottom of sludge hopper connect.
10. gravity type high position rainwater purification system according to claim 1, which is characterized in that collector pipe front end is connected with
Hose or perforated pipe, hose or perforated pipe are embedded in plant soil layer lower part, and plant soil layer act as rainwater retention pretreatment,
Plant soil layer is set on roofing composite layer.
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CN201810065180.XA CN108360645A (en) | 2018-01-23 | 2018-01-23 | Gravity type high position rainwater purification system |
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Cited By (1)
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CN111299043A (en) * | 2020-02-21 | 2020-06-19 | 广东博智林机器人有限公司 | Feeding system and spraying device |
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KR20140109602A (en) * | 2013-03-06 | 2014-09-16 | 주식회사 예건 | Rainwater storing system with primary rainwater treatment abillity |
CN203558925U (en) * | 2013-10-17 | 2014-04-23 | 东华大学 | Unpowered rainwater recycling device applicable to high-rise buildings |
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