CN108967126A - Rainwater irrigation system and method under overpass - Google Patents
Rainwater irrigation system and method under overpass Download PDFInfo
- Publication number
- CN108967126A CN108967126A CN201811032057.4A CN201811032057A CN108967126A CN 108967126 A CN108967126 A CN 108967126A CN 201811032057 A CN201811032057 A CN 201811032057A CN 108967126 A CN108967126 A CN 108967126A
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- Prior art keywords
- water
- rainwater
- irrigation system
- mid
- sewage discharging
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
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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
-
- 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
-
- 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
- E03F5/105—Accessories, e.g. flow regulators or cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Abstract
The present invention relates to greening irrigation device fields, aim to solve the problem that the problem of pourings mode such as existing automatic-watering and manual watering is no longer satisfied the pouring demand afforested under overpass, rainwater irrigation system and method under overpass are provided, it includes the shell for being provided with chamber, early period rainwater treatment device and mid-term rainwater treatment device；Early period, rainwater treatment device included the first delayed release device and the first automatic sewage discharging device for being set to muddy water case；Mid-term rainwater treatment device includes robotic watering unit, the second delayed release device and the second automatic sewage discharging device for being set to filtered water tank.Rainwater irrigation method includes rainwater treatment step and mid-term rainwater treatment step early period under overpass.Beneficial effect is system overall process automatic running, and without human intervention, prosthetic consumes, and operating cost is low；Rainwater Resources utilize, energy conservation and environmental protection；For system practical range under overpass, no outer facility and peripheral operation demand have no adverse effect to traffic above-ground.
Description
Technical field
The present invention relates to greening irrigation device fields, in particular to rainwater irrigation system and method under overpass.
Background technique
With the increasing of Process of Urbanization Construction process, overpass is more and more in urban transportation, the pouring of the greening under overpass
Problem is increasingly prominent.The mode that the pouring of greening under overpass at present uses is generally divided into automatic-watering and manual watering two
Kind.
It is water source that overhead lower automatic-watering, which generally uses tap water, when by time controller and being driven by electricity valve control
Between and irrigation amount.Greening automatic-watering under overpass has three: first is that being built feed pipe network planning by traditional cities
The influence drawn, built overpass largely lacks water supply network at present or other pour water sources, thus its application range it is limited compared with
Greatly；Second is that under contradictory overall background between the water for irrigation amount increased increasingly and the water resource of growing tension, using originally
There are the biggish wastings of resources as water for irrigation for water, do not meet the environmental protection concept of urban construction；Third is that having used largely certainly
Dynamic control device and electricity drive executive device, disposable investment and operation, maintenance, maintenance cost are higher.
Overhead lower manual watering is mainly used for lacking the region of water supply network, uses fuel pump when periphery has and pours water source
Water intaking carries out manual watering, sprays and pours after lacking the region for pouring water source using waterwheel perfusion tap water.Under overpass
Greening manual watering there is also two in addition to there is water resource waste: first is that pour demand constantly increase, while manually at
This is also rising steadily, and manual watering's expense constantly increases；Second is that in order to meet pouring intensity, watering pours water vehicle traveling is more slow
Slowly, and the overpass of city road is generally located on traffic congestion section, therefore the watering pours water in operation can aggravate jam situation,
The Watering of urban can select to carry out pouring operation at night, also result in pouring increased costs, in the flourishing city in part
The volume of traffic larger section night pours operation and similarly there are influence normal traffic conditions.
Summary of the invention
The present invention is intended to provide rainwater irrigation system under a kind of overpass, to solve existing automatic-watering and manual watering
The problem of equal pourings mode is no longer satisfied the pouring demand afforested under overpass.
Another object of the present invention is to provide a kind of overpass for having rainwater irrigation system under above-mentioned overpass to rain
Water irrigation method.
The embodiment of the present invention is achieved in that
The embodiment of the present invention provides rainwater irrigation system under overpass,
Shell including being provided with chamber, early period rainwater treatment device and mid-term rainwater treatment device；
Chamber is vertically provided with the weir divider for being divided into muddy water case and filtered water tank, the top side of shell be provided with it is muddy
First water inlet of water tank connection, the top side of weir divider are provided with the second water inlet of connection muddy water case and filtered water tank；
Early period, rainwater treatment device included the first delayed release device and the first automatic sewage discharging device for being set to muddy water case；First
Delayed release device is provided with the first sustained release pipeline for stretching out shell, and the first automatic sewage discharging device is provided with the first blowdown for stretching out shell
The bottom of pipeline, the first water inlet and the second water inlet is above the blowdown liquid level of the first automatic sewage discharging device；
Mid-term rainwater treatment device includes that robotic watering unit, the second delayed release device for being set to filtered water tank and second are automatic
Blowdown apparatus；Second delayed release device is provided with the second sustained release pipeline being connected to the robotic watering unit for being set to hull outside,
Second automatic sewage discharging device is provided with the second blow-off line for stretching out shell.
Rainwater irrigation system is arranged under overpass under overpass, and phase runoff rainwater is converged by rainwater down pipe in face of viaduct
Enter muddy water case through the first water inlet after connecing, muddy water case stores pollutant load as overpass rainwater pretreatment system early period
Higher rainwater early period.
Be stored in rainwater in muddy water case by the first delayed release device by the first sustained release pipeline at the uniform velocity, even amount discharge system,
The emptying period can be set to 24 hours, and the sufficient residence time makes storage rainwater be purified by depositing technology, dirty in water
Dye object is deposited in muddy water case, and the water through the first sustained release pipeline discharge is discharged into greenery patches or Storm Sewer Network.
It is discharged with rainwater sustained release in muddy water case is stored in, when liquid level drops to the blowdown liquid level of the first automatic sewage discharging device,
First automatic sewage discharging device automatically turns on, and the pollutant for being deposited in muddy water tank bottom is arranged with remaining rainwater by the first blow-off line
Enter sewage network.
After muddy water case is filled with, water level be higher than the second water inlet bottom and relative clean mid-term rainwater by second into
The mouth of a river enters filtered water tank, water storage device of the filtered water tank as water for irrigation；The rainwater being stored in filtered water tank passes through the second sustained release
Device by the second sustained release pipeline at the uniform velocity, even amount be discharged into robotic watering unit, day is sustained flow and is determined according to day water for irrigation amount.
With the sustained release discharge of filtered water tank rainwater is deposited, when liquid level drops to the blowdown liquid level of the second automatic sewage discharging device, second certainly
Dynamic blowdown apparatus automatically turns on, and the pollutant for being deposited in filtered water tank bottom passes through the second waste through second row with remaining rainwater
Dirty pipeline is discharged into sewage network.First blow-off line and the second blow-off line can converge to be discharged for a pipeline, can also be divided
Open respective independent blowdown.
Through the above steps, using the mid-term rainwater after rainwater purification as greening irrigation water, Rainwater Resources are utilized, section
It can environmental protection.
In an embodiment of the present embodiment:
The top side of shell is provided with the overflow port being connected to filtered water tank；
The blowdown liquid level of second automatic sewage discharging device is lower than the bottom of overflow port.
In an embodiment of the present embodiment:
Rainwater irrigation system further includes the water replanishing device for being set to filtered water tank under overpass, and water replanishing device includes the first water level
Control valve；
It is provided in chamber and is separated out the moisturizing plate of water supply tank in the side of filtered water tank, moisturizing plate is provided with connection filtered water tank
With the water supplement port of water supply tank, the first altitude valve is set to water supplement port.
In an embodiment of the present embodiment:
Rainwater irrigation system further includes the water feed apparatus for being set to water supply tank under overpass, and water feed apparatus includes the second water level
Control valve；
Shell is provided with the third water inlet being connected to water supply tank, and the second altitude valve is set to third water inlet.
In an embodiment of the present embodiment:
The water discharge speed of first altitude valve is greater than the sustained release flow velocity of the second delayed release device, and the first altitude valve goes out
Draining flow velocity of the water flow velocity less than the second altitude valve.
In an embodiment of the present embodiment:
Blowdown flow velocity of the water discharge speed of first altitude valve less than the second automatic sewage discharging device.
In an embodiment of the present embodiment:
First altitude valve and the second altitude valve use ball-cock assembly.
In an embodiment of the present embodiment:
The control water level of first altitude valve is lower than the blowdown liquid level of the second automatic sewage discharging device.
In an embodiment of the present embodiment:
Robotic watering unit is supplied water using recurrent pulses.
Rainwater irrigation method under a kind of overpass, includes the following steps,
Early period rainwater treatment step: storage rainwater early period, higher than the first water level early period rainwater outflow form mid-term rain
Water through first delayed release device is sustained lower than the first water level and higher than rainwater early period of the second water level and is discharged, lower than the second water level
Early period, rainwater was discharged through the first automatic sewage discharging device；First water level is higher than the second water level；
Mid-term rainwater treatment step: the mid-term rainwater higher than third water level is expelled to and pours automatically through the second delayed release device sustained release
Filling device, the mid-term rainwater lower than third water level are discharged through the second automatic sewage discharging device.
The beneficial effects of the present invention are:
Rainwater irrigation system under overpass, system is using hydraulic pressure and buoyancy as driving force, unregulated power consumption, with liquid level and pressure difference
For trigger point, be not required to facility sensor, overall process automatic running, without human intervention, prosthetic consumption, disposably put into it is small,
Operation and maintenance upkeep cost is low；Rainwater Resources utilize, energy conservation and environmental protection；System practical range is under overpass, no outer facility
With peripheral operation demand, have no adverse effect to traffic above-ground.
Rainwater irrigation method under overpass passes through collection rainwater and is poured after carrying out purified treatment, Rainwater Resources
It utilizes, energy conservation and environmental protection；Practical range is under overpass, no outer facility and peripheral operation demand, to traffic above-ground without unfavorable shadow
It rings.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the overall structure signal of the main view direction of rainwater irrigation system under overpass provided in an embodiment of the present invention
Figure；
Fig. 2 is the overall structure signal of the overlook direction of rainwater irrigation system under overpass provided in an embodiment of the present invention
Figure；
Fig. 3 is the overall structure signal of the right view direction of rainwater irrigation system under overpass provided in an embodiment of the present invention
Figure.
Icon: 100- shell；110- chamber；120- weir divider；The second water inlet of 121-；130- muddy water case；140- is clear
Water tank；The first water inlet of 150-；160- overflow port；170- third water inlet；200- rainwater treatment device early period；210- first is slow
Release device；211- first is sustained pipeline；The first automatic sewage discharging device of 220-；The first blow-off line of 221-；At 300- mid-term rainwater
Manage device；310- robotic watering unit；The second delayed release device of 320-；321- second is sustained pipeline；The second automatic pollution discharge of 330- dress
It sets；The second blow-off line of 331-；400- water replanishing device；410- moisturizing plate；411- water supplement port；The first altitude valve of 420-；
The second altitude valve of 430-.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that if occur term " center ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
Either the invention product using when the orientation or positional relationship usually put, be merely for convenience of the description present invention and simplification retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.If only being used in addition, occurring term " first ", " second " etc. in description of the invention
It is described in distinguishing, is not understood to indicate or imply relative importance.
If being not offered as requiring component absolute in addition, occurring the terms such as term "horizontal", "vertical" in description of the invention
Horizontal or pendency, but can be slightly tilted.If "horizontal" only refers to that its direction is more horizontal with respect to for "vertical", not
It is to indicate that the structure is had to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, if there is term
" setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, " connection " may be a fixed connection, being also possible to can
Dismantling connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also pass through
Intermediary is indirectly connected, and can be the connection inside two elements.For the ordinary skill in the art, can have
Body situation understands the concrete meaning of above-mentioned term in the present invention.
Embodiment 1, referring to figs. 1 to Fig. 3.
The embodiment of the present invention provides rainwater irrigation system under overpass,
As shown in Figure 1, Figure 2 and Figure 3, including being provided with the shell 100 of chamber 110, early period rainwater treatment device 200 and in
Phase rainwater treatment device 300；
Chamber 110 is vertically provided with the weir divider 120 for being divided into muddy water case 130 and filtered water tank 140, shell 100
Top side be provided with the first water inlet 150 being connected to muddy water case 130, the top side of weir divider 120 is provided with connection muddy water case
130 and filtered water tank 140 the second water inlet 121；
Early period, rainwater treatment device 200 included the first delayed release device 210 and the first automatic pollution discharge for being set to muddy water case 130
Device 220；First delayed release device 210 is provided with the first sustained release pipeline 211 for stretching out shell 100, the first automatic sewage discharging device 220
It is provided with the first blow-off line 221 for stretching out shell 100, the bottom of the first water inlet 150 and the second water inlet 121 is above the
The blowdown liquid level of one automatic sewage discharging device 220；
Mid-term rainwater treatment device 300 includes robotic watering unit 310, the second delayed release device for being set to filtered water tank 140
320 and second automatic sewage discharging device 330；Second delayed release device 320 is provided with and is set to the automatic-watering dress in 100 outside of shell
The second sustained release pipeline 321 of 310 connections is set, the second automatic sewage discharging device 330 is provided with the second blow-off line for stretching out shell 100
331。
Rainwater irrigation system is arranged under overpass under overpass, and phase runoff rainwater is converged by rainwater down pipe in face of viaduct
Enter muddy water case 130 through the first water inlet 150 after connecing, muddy water case 130 is used as overpass rainwater pretreatment system early period, and storage is dirty
Contaminate higher rainwater early period of object content.
Be stored in rainwater in muddy water case 130 by the first delayed release device 210 by the first sustained release pipeline 211 at the uniform velocity, even amount
Discharge system, emptying period can be set to 24 hours, and the sufficient residence time enables to store rainwater through depositing technology only
Change, water pollutant is deposited in muddy water case 130, and the water being discharged through the first sustained release pipeline 211 is discharged into greenery patches or Storm Sewer Network.
The blowdown liquid of the first automatic sewage discharging device 220 is dropped to the discharge of rainwater sustained release, liquid level in muddy water case 130 is stored in
When position, the first automatic sewage discharging device 220 is automatically turned on, and is deposited in the pollutant of 130 bottom of muddy water case with remaining rainwater by the
One blow-off line 221 is discharged into sewage network.
After muddy water case 130 is filled with, water level is higher than the bottom of the second water inlet 121 and the mid-term rainwater of relative clean passes through
Second water inlet 121 enters filtered water tank 140, water storage device of the filtered water tank 140 as water for irrigation；It is stored in filtered water tank 140
Rainwater by the second delayed release device 320 by the second sustained release pipeline 321 at the uniform velocity, even amount be discharged into robotic watering unit 310, day sustained release
Flow is determined according to day water for irrigation amount.
It is discharged with 140 rainwater of filtered water tank sustained release is deposited, when liquid level drops to the blowdown liquid level of the second automatic sewage discharging device 330,
Second automatic sewage discharging device 330 automatically turns on, and the pollutant for being deposited in 140 bottom of filtered water tank passes through the second blowdown with remaining rainwater
Outlet is discharged into sewage network through the second blow-off line 331.First blow-off line 221 and the second blow-off line 331 can converge for
One pipeline discharge, can also separate respectively independent blowdown.
Through the above steps, using the mid-term rainwater after rainwater purification as greening irrigation water, Rainwater Resources are utilized, section
It can environmental protection.
It should be understood that 130 volume of muddy water case can be set to 1.1-1.2 times of storage amount of rainfall early period；Filtered water tank
140 volumes can be set to 1.2 times of water for irrigation amount, and water for irrigation amount pours number of days according to day watering pours water water consumption and demand
It determines；
In an embodiment of the present embodiment:
Robotic watering unit 310 is supplied water using recurrent pulses.
Robotic watering unit 310, which will at the uniform velocity intake, switchs to recurrent pulses water outlet, and water outlet enters irrigation pipe network, periodical arteries and veins
It goes out water to increase disposably into water in irrigation pipe network, is conducive to the uniformity of irrigation point water outlet and increases effectively pouring model
It encloses, is discharged the period and pulse water can be according to irrigation range or length of pipe adjustment.
In an embodiment of the present embodiment:
As shown in Figure 1, the top side of shell 100 is provided with the overflow port 160 being connected to filtered water tank 140；
The blowdown liquid level of second automatic sewage discharging device 330 is lower than the bottom of overflow port 160.
Filtered water tank 140 fills rear extra rainwater and enters Storm Sewer Network by 160 discharge system of overflow port.It is stored in filtered water tank
Rainwater in 140 by the second delayed release device 320 by the second sustained release pipeline 321 at the uniform velocity, even amount be discharged into robotic watering unit 310.
In an embodiment of the present embodiment:
As shown in Figure 1, rainwater irrigation system further includes the water replanishing device 400 for being set to filtered water tank 140, moisturizing under overpass
Device 400 includes the first altitude valve 420；
It is provided in chamber 110 and is separated out the moisturizing plate 410 of water supply tank in the side of filtered water tank 140, moisturizing plate 410 is arranged
There is the water supplement port 411 of connection filtered water tank 140 and water supply tank, the first altitude valve 420 is set to water supplement port 411.
Use water replanishing device 400 as pouring supplement water in the region with water supply network.
When 140 water liquid level of filtered water tank is reduced to the control water level of the first altitude valve 420, the first altitude valve
420 open, and water supply tank enters filtered water tank 140 through 411 water of water supplement port, while water supply tank liquid level declines.
With overpass rainwater for main water source, water supply is selective make-up water source, applied widely, is not supplied water
Pipe network limitation.
In an embodiment of the present embodiment:
As shown in Figure 1, rainwater irrigation system further includes the water feed apparatus for being set to water supply tank, water feed apparatus packet under overpass
Include the second altitude valve 430；
Shell 100 is provided with the third water inlet 170 being connected to water supply tank, and the second altitude valve 430 is set to third
Water inlet 170.
Under normal condition, tap water enters water supply tank by third water inlet 170 and the second altitude valve 430；Work as benefit
The second altitude valve 430 is closed when water tank is in high liquid level (higher than the control water level of the second altitude valve 430), water supply tank
Stop water inlet.It should be noted that water supply tank liquid level is lower than third water inlet 170 when stopping water inlet, prevent through filtered water tank 140
Flow through rainwater pollution tap water source in water supply tank.
When long-time is without rainfall, 140 water liquid level of filtered water tank is reduced to the control water level of the first altitude valve 420
When, the first altitude valve 420 is opened, and water supply tank enters filtered water tank 140 through 411 water of water supplement port, while under water supply tank liquid level
Drop, the second altitude valve 430 are opened, and tap water enters water supply tank through third water inlet 170, are poured at this time using tap water
It fills.
In an embodiment of the present embodiment:
First altitude valve 420 and the second altitude valve 430 use ball-cock assembly.
Ball-cock assembly in the present embodiment is controlled using float switch, using the float switch with big metal ball, leaching
Buoyancy is big when in a liquid, can control two liquid levels, for example liquid is completely, and floating ball rises because of buoyancy, drives ball valve fortune
It is dynamic, valve is closed, water inlet is stopped, when water is few, floating ball decline, valve is opened, and is intake again, is so recycled.
In an embodiment of the present embodiment:
The water discharge speed of first altitude valve 420 is greater than the sustained release flow velocity of the second delayed release device 320, the first water level control
Draining flow velocity of the water discharge speed of valve 420 less than the second altitude valve 430.
Positive supplement water abundance is protected, moisturizing flow velocity is greater than water for irrigation flow velocity.
In an embodiment of the present embodiment:
Blowdown flow velocity of the water discharge speed of first altitude valve 420 less than the second automatic sewage discharging device 330.Guarantee second
330 normal switching-off of automatic sewage discharging device.
In an embodiment of the present embodiment:
The control water level of first altitude valve 420 is lower than the blowdown liquid level of the second automatic sewage discharging device 330.
Moisturizing priming level is lower than blowdown priming level, and after avoiding moisturizing, the water just filled into is mixed and is concentrated by blowdown apparatus
Pollutant is discharged together, waste water resource.
To sum up, rainwater early period of heavy contamination is initially stored in muddy water case 130, and the mid-term rainwater of relative clean enters
Filtered water tank 140, excess rainwater enter Storm Sewer Network through overflow port 160；Rainwater early period in muddy water case 130 is stored in by the
One delayed release device 210 is purified, and purifying rainwater is discharged into greenery patches or Storm Sewer Network, the higher remaining water of the pollutant concentration after concentration
Sewage network is discharged by the first automatic sewage discharging device 220；The mid-term rainwater being stored in filtered water tank 140 passes through the second sustained release
Device 320 and robotic watering unit 310 enter pouring pipe network with recurrent pulses way of supplying water, are deposited in filtered water tank 140
Pollutant is discharged into sewage network by the second automatic sewage discharging device 330；When long-time is without rainfall, using passing through water replanishing device
The tap water of 400 controls is poured.
Embodiment 2.
Rainwater irrigation method under a kind of overpass, includes the following steps,
Early period rainwater treatment step: storage rainwater early period, higher than the first water level early period rainwater outflow form mid-term rain
Water through first delayed release device 210 is sustained lower than the first water level and higher than rainwater early period of the second water level and is discharged, is lower than the second water level
Rainwater early period be discharged through the first automatic sewage discharging device 220；First water level is higher than the second water level；
Mid-term rainwater treatment step: the mid-term rainwater higher than third water level is expelled to certainly through the second delayed release device 320 sustained release
Dynamic irrigation device 310, the mid-term rainwater lower than third water level are discharged through the second automatic sewage discharging device 330.
After storing rainwater early period of heavy contamination, greenery patches or Storm Sewer Network are discharged by sustained release purification；Higher than
Stormwater overflow early period of one water level flows out to form mid-term rainwater, early period rainwater concentration pollutant mix remaining rainwater through first from
Dynamic blowdown apparatus 220 is discharged.Then mid-term rainwater is entered by the second delayed release device 320 and robotic watering unit 310 and is poured
The pollutant of pipe network, precipitating is discharged into sewage network by the second automatic sewage discharging device 330.It realizes by collecting rainwater and carrying out net
It is poured after change processing, Rainwater Resources utilize, energy conservation and environmental protection.
In an embodiment of the present embodiment:
In mid-term rainwater treatment step, the mid-term rainwater higher than the 4th water level is discharged, and the 4th water level is higher than third water level, low
Robotic watering unit 310 is expelled to through the second delayed release device 320 sustained release in the 4th water level and higher than third water level.
Mid-term rainwater discharge overflow higher than the 4th water level (excess rainwater) enters Storm Sewer Network.
In an embodiment of the present embodiment:
Further include watering step: mid-term rainwater liquid level drops to the 5th water level and starts moisturizing, and the 5th water level is lower than third water
Position.
When long-time is without rainfall, moisturizing is carried out by tap water, is poured, it is applied widely, not by water supply network
Limitation.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. rainwater irrigation system under a kind of overpass, it is characterised in that:
Shell including being provided with chamber, early period rainwater treatment device and mid-term rainwater treatment device；
The chamber is vertically provided with the weir divider for being divided into muddy water case and filtered water tank, and the top side of the shell is provided with
The first water inlet being connected to the muddy water case, the top side of the weir divider, which is provided with, is connected to the muddy water case and the clear water
Second water inlet of case；
Rainwater treatment device early period includes the first delayed release device and the first automatic sewage discharging device for being set to the muddy water case；
First delayed release device is provided with the first sustained release pipeline for stretching out the shell, and first automatic sewage discharging device, which is provided with, to be stretched
The bottom of first blow-off line of the shell out, first water inlet and second water inlet is above described first certainly
The blowdown liquid level of dynamic blowdown apparatus；
The mid-term rainwater treatment device includes robotic watering unit, the second delayed release device and second for being set to the filtered water tank
Automatic sewage discharging device；Second delayed release device is provided with to be connected to the robotic watering unit for being set to the hull outside
The second sustained release pipeline, second automatic sewage discharging device is provided with the second blow-off line for stretching out the shell.
2. rainwater irrigation system under overpass according to claim 1, it is characterised in that:
The top side of the shell is provided with the overflow port being connected to the filtered water tank；
The blowdown liquid level of second automatic sewage discharging device is lower than the bottom of the overflow port.
3. rainwater irrigation system under overpass according to claim 1, it is characterised in that:
Rainwater irrigation system further includes the water replanishing device for being set to the filtered water tank under the overpass, and the water replanishing device includes
First altitude valve；
It is provided in the chamber and is separated out the moisturizing plate of water supply tank in the side of the filtered water tank, the moisturizing plate is provided with company
Lead to the water supplement port of the filtered water tank and the water supply tank, first altitude valve is set to the water supplement port.
4. rainwater irrigation system under overpass according to claim 3, it is characterised in that:
Rainwater irrigation system further includes the water feed apparatus for being set to the water supply tank under the overpass, and the water feed apparatus includes
Second altitude valve；
The shell is provided with the third water inlet being connected to the water supply tank, and second altitude valve is set to described
Three water inlets.
5. rainwater irrigation system under overpass according to claim 4, it is characterised in that:
The water discharge speed of first altitude valve is greater than the sustained release flow velocity of second delayed release device, the first water level control
The water discharge speed of valve processed is less than the draining flow velocity of second altitude valve.
6. rainwater irrigation system under overpass according to claim 3, it is characterised in that:
The water discharge speed of first altitude valve is less than the blowdown flow velocity of second automatic sewage discharging device.
7. rainwater irrigation system under overpass according to claim 4, it is characterised in that:
First altitude valve and second altitude valve use ball-cock assembly.
8. rainwater irrigation system under overpass according to claim 3, it is characterised in that:
The control water level of first altitude valve is lower than the blowdown liquid level of second automatic sewage discharging device.
9. rainwater irrigation system under overpass according to claim 1, it is characterised in that:
The robotic watering unit is supplied water using recurrent pulses.
10. rainwater irrigation method under a kind of overpass, it is characterised in that: include the following steps,
Early period rainwater treatment step: storage rainwater early period, the outflow higher than rainwater early period of the first water level forms mid-term rain
Water is sustained discharge through the first delayed release device lower than the first water level and higher than rainwater early period of the second water level, is lower than the second water
Rainwater early period of position is discharged through the first automatic sewage discharging device；First water level is higher than second water level；
Mid-term rainwater treatment step: the mid-term rainwater higher than third water level is expelled to and pours automatically through the second delayed release device sustained release
Filling device, the mid-term rainwater lower than the third water level are discharged through the second automatic sewage discharging device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811032057.4A CN108967126A (en) | 2018-09-05 | 2018-09-05 | Rainwater irrigation system and method under overpass |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811032057.4A CN108967126A (en) | 2018-09-05 | 2018-09-05 | Rainwater irrigation system and method under overpass |
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| Publication Number | Publication Date |
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| CN108967126A true CN108967126A (en) | 2018-12-11 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811032057.4A Pending CN108967126A (en) | 2018-09-05 | 2018-09-05 | Rainwater irrigation system and method under overpass |
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| CN112119883A (en) * | 2020-08-10 | 2020-12-25 | 上海市政工程设计研究总院（集团）有限公司 | Unpowered rainwater purification irrigation system and irrigation method thereof |
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