CN208726822U - Early period rainwater purification system - Google Patents
Early period rainwater purification system Download PDFInfo
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- CN208726822U CN208726822U CN201821460058.4U CN201821460058U CN208726822U CN 208726822 U CN208726822 U CN 208726822U CN 201821460058 U CN201821460058 U CN 201821460058U CN 208726822 U CN208726822 U CN 208726822U
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- rainwater
- early period
- purification system
- rain
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Abstract
The utility model relates to rainwater purifying device fields, aim to solve the problem that existing dynamic and unpowered type flow abandoning apparatus has energy consumption, abandon the disadvantages of flow control is poor, there is provided rainwater purification system early period comprising be provided with shell, overflow mechanism, delayed release device and the automatic sewage discharging device of chamber；Rainwater early period is flowed out by delayed release device sustained release purification discharge, excess rainwater by overflow mechanism, and the pollutant after concentration is discharged by blowdown apparatus.Beneficial effect is, consumes using hydraulic pressure and buoyancy as driving force unregulated power, is not required to facility sensor using liquid level and pressure difference as trigger point, and fully automatic operation without human intervention, disposably puts into small, and operation and maintenance upkeep cost is low；By control flood level and blowdown water level, the accurate control of abandoned stream amount may be implemented.
Description
Technical field
The utility model relates to rainwater purifying device fields, in particular to rainwater purification system early period.
Background technique
The pollution studies have shown that pollutant load in early period rainwash rainwater is very high, in early period 2-5mm runoff rainwater
Object accounting reaches 60%-the 70% of total runoff pollutant.Simultaneously in urban runoff pollutant, suspended matter (SS) often with other
Pollutant index (COD, TN, TP etc.) has certain correlation.Therefore the suspended solid pollutant control of rainwater early period is city face
The key that source contamination control and rainwater recycle utilize.
Currently used rainwater treatment early period facility is initial rain flow removing device, is generally divided into dynamic formula (flow-type, rainfall
Formula) and unpowered type (small tubular type, turning over type, suitching type).Two types facility has deficiency, and dynamic formula flow abandoning apparatus needs
Power consumption simultaneously needs that sensor and electric operator is arranged, and disposable investment is big, and operation, management, maintenance cost are high；It is unpowered
Formula flow abandoning apparatus relies primarily on abandoned stream caliber and instantaneous flow to the judgement of abandoned stream water, and control precision is poor, is lasting length
It is easy to happen the excessive situation of abandoned stream when the small rainfall pattern of instantaneous rainfall, causes water resource waste；Lasting the big rain of short instantaneous rainfall
It is easy to happen abandoned stream deficiency situation when type, causes reuse or processing system pollutional load excessively high.Two kinds of flow abandoning apparatus are all will be preceding
Phase rainwater whole abandoned stream, although there are a degree of water resource wastes convenient for guaranteeing middle and later periods Rainwater Quality.
Utility model content
The utility model is intended to provide a kind of rainwater purification system early period, is abandoned with solving existing dynamic and unpowered type
It flows device and there is the disadvantages of consuming energy, Split-flow Control is poor, the problem of cannot meeting the actual needs.
The embodiments of the present invention are achieved in that
The utility model embodiment provides rainwater purification system early period,
Shell, overflow mechanism, delayed release device and automatic sewage discharging device including being provided with chamber；
Overflow mechanism includes being vertically arranged to chamber, and chamber is divided into the weir divider of processing chamber and spill cavity；It overflows
The overflow inlet of connection processing chamber and spill cavity is provided at the top of stream partition, the bottom side of shell is provided with overflowing for connection processing chamber
Outflux；
Delayed release device and automatic sewage discharging device are all set in processing chamber, and delayed release device is provided with the sustained release water outlet for stretching out shell
Pipeline；Automatic sewage discharging device is provided with the blow-off line for stretching out shell, and the blowdown liquid level of automatic sewage discharging device is lower than overflow inlet
Bottom；The diameter inflow entrance of connection processing chamber is provided at the top of shell.
Runoff rainwater enters processing chamber by diameter inflow entrance.Early period rainwater fill after, relative clean and water level are higher than overflow
The later period rainwater of entry bottom enters spill cavity by overflow inlet, exports and is discharged using overflow, is discharged into Storm Sewer Network.
Lower than the sustained release outlet conduit discharge that the rainwater of overflow inlet then passes through delayed release device；Discharge using at the uniform velocity, even amount
Mode, sustained release flow is according to the storage volume settings of processing chamber, and in an embodiment of the present embodiment, the emptying period is 12-
36 hours；The sufficient residence time makes storage rainwater be purified by depositing technology, and water pollutant is deposited in processing chamber
It is interior, reduce the discharge rate with delayed release device.
With the sustained release discharge of the rainwater of storage, when liquid level drops to the blowdown liquid level of automatic sewage discharging device, automatic pollution discharge
Device is opened, and the pollutant after precipitating is discharged into sewage network by the blow-off line of automatic sewage discharging device with remaining rainwater.
Hold above-mentioned, rainwater early period being stored by delayed release device is sustained purification discharge, and purifying rainwater can continue to recycle
It utilizes；The rainwater of excess is higher than overflow inlet, is discharged into Storm Sewer Network by overflow mechanism；Pollutant melting concn after concentration
Higher remaining water is discharged into sewage network by automatic sewage discharging device.It is consumed using hydraulic pressure and buoyancy as driving force unregulated power, with liquid level
And pressure difference is that trigger point is not required to facility sensor, fully automatic operation without human intervention, disposably puts into small, operation and maintenance maintenance
Expense is low；Amount of storage, overflow discharge rate and blowdown abandoned stream amount can realize accurate control；Temporary rainwater, also has pipe network peak
Value is cut down, and delay is avoided the peak hour and rainwater storage function.
In an embodiment of the present embodiment:
Early period, rainwater purification system further included rainwater storage box early period；
Early period, rainwater storage box was set to the outside of shell, and the outlet of the first rain by being set to shell connects with processing chamber
It is logical；
The top of first rain outlet is lower than the bottom of overflow inlet and is higher than the blowdown liquid level of automatic sewage discharging device.
In an embodiment of the present embodiment:
The bottom of first rain outlet is higher than the bottom wall of processing chamber.
In an embodiment of the present embodiment:
Early period rainwater storage box bottom close to first rain outlet one end arrive far from first rain export one end between it is vertical
Difference in height is inclined height；
The length of the centerline direction along the outlet of first rain of processing chamber bottom wall is lateral length；
The ratio between inclined height and lateral length are greater than 2%.
In an embodiment of the present embodiment:
Rainwater storage box early period is arranged two；
Two early period rainwater storage box be oppositely arranged, at the beginning of two rain outlet be oppositely arranged.
In an embodiment of the present embodiment:
Shell is additionally provided with water out；
Bottom with water out is higher than the top of first rain outlet, and the top with water out is lower than the bottom of overflow inlet.
In an embodiment of the present embodiment:
Diameter inflow entrance is provided with rain grate.
In an embodiment of the present embodiment:
Diameter inflow entrance is additionally provided with Prefabricated combined septic tank；
Prefabricated combined septic tank is set to the bottom side of rain grate.
In an embodiment of the present embodiment:
Early period rainwater storage box bottom be higher than processing chamber bottom wall.
The beneficial effects of the utility model are:
Early period, rainwater purification system, consumed using hydraulic pressure and buoyancy as driving force unregulated power, using liquid level and pressure difference as trigger point
It is not required to facility sensor, fully automatic operation without human intervention, disposably puts into small, and operation and maintenance upkeep cost is low；Pass through control
The amount of storage of rainwater early period processed, the sustained release purification flow velocity and flood level of delayed release device control spillway discharge, final automatic pollution discharge
The blowdown water level settings of device avoid abandoned stream excess or abandoned stream not so as to accurately control the abandoned stream amount of automatic sewage discharging device
Foot happens；Meanwhile rainwater early period can keep in and not enter drainage pipeline networks, therefore there is pipe network peak value to cut down, delay is avoided the peak hour
With rainwater storage function.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the main view direction of rainwater purification system early period provided by the embodiment of the utility model；
Fig. 2 is the right view side that the utility model embodiment is rainwater purification system early period provided by the embodiment of the utility model
To structural schematic diagram；
It is the utility model embodiment is rain early period provided by the embodiment of the utility model that Fig. 3, which is the utility model embodiment,
The structural schematic diagram of the overlook direction of water purification system.
Icon: 100- shell；110- diameter inflow entrance；200- overflow mechanism；210- weir divider；220- overflow inlet；
230- overflow outlet；300- delayed release device；310- is sustained outlet conduit；400- automatic sewage discharging device；410- blow-off line；500-
Early period rainwater storage box；The just rain outlet 510-；600- matches water out；700- rain grate；800- Prefabricated combined septic tank.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
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 side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on the figure or position
Relationship or the utility model product using when the orientation or positional relationship usually put, be merely for convenience of describing this reality
It is described with novel with simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.
If being not offered as requiring component in addition, occurring the terms such as term "horizontal", "vertical" in the description of the utility model
Abswolute level or pendency, but can be slightly tilted.If "horizontal" only refers to that its direction is more horizontal with respect to for "vertical",
It is not to indicate that the structure is had to fully horizontally, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, if there is art
Language " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, " connection " may be a fixed connection, be also possible to
It is detachably connected, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also lead to
It crosses intermediary to be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be with
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment, referring to figs. 1 to Fig. 3.
The utility model embodiment provides rainwater purification system early period,
As shown in Figure 1, Figure 2 and Figure 3, including being provided with the shell 100, overflow mechanism 200,300 and of delayed release device of chamber
Automatic sewage discharging device 400；
Overflow mechanism 200 includes being vertically arranged to chamber, and chamber is divided into the weir divider of processing chamber and spill cavity
210；The top of weir divider 210 is provided with the overflow inlet 220 of connection processing chamber and spill cavity, the bottom side setting of shell 100
There is the overflow outlet 230 of connection processing chamber；
Delayed release device 300 and automatic sewage discharging device 400 are all set in processing chamber, and delayed release device 300 is provided with stretching shell
100 sustained release outlet conduit 310；Automatic sewage discharging device 400 is provided with the blow-off line 410 for stretching out shell 100, automatic pollution discharge dress
Set 400 blowdown liquid level be lower than overflow inlet 220 bottom；The top of shell 100 is provided with the diameter inflow entrance of connection processing chamber
110。
Runoff rainwater enters processing chamber by diameter inflow entrance 110.Early period rainwater fill after, relative clean and water level, which are higher than, to overflow
The later period rainwater of 220 bottom of inflow entrance enters spill cavity by overflow inlet 220, using 230 discharge of overflow outlet, is discharged into rain
Pipe network.
Lower than the discharge of sustained release outlet conduit 310 that the rainwater of overflow inlet 220 then passes through delayed release device 300；Discharge uses
At the uniform velocity, even amount mode, sustained release flow is according to the storage volume settings of processing chamber, in an embodiment of the present embodiment, emptying
Period is 12-36 hours；The sufficient residence time makes storage rainwater be purified by depositing technology, and water pollutant is precipitated
In processing chamber, the discharge rate with delayed release device 300 is reduced.
It is automatic to arrange when liquid level drops to the blowdown liquid level of automatic sewage discharging device 400 with the sustained release discharge of the rainwater of storage
Dirty device 400 is opened, and the pollutant after precipitating is discharged into dirt by the blow-off line 410 of automatic sewage discharging device 400 with remaining rainwater
Pipe network.
Hold above-mentioned, by the sustained release purification discharge of delayed release device 300, purifying rainwater can continue to back rainwater early period being stored
It receives and utilizes；The rainwater of excess is higher than overflow inlet 220, is discharged into Storm Sewer Network by overflow mechanism 200；Pollutant after concentration
The higher remaining water of melting concn is discharged into sewage network by automatic sewage discharging device 400.Using hydraulic pressure and buoyancy as driving force unregulated power
Consumption is not required to facility sensor using liquid level and pressure difference as trigger point, fully automatic operation without human intervention, disposably put into it is small,
Operation and maintenance upkeep cost is low；Amount of storage, overflow discharge rate and blowdown abandoned stream amount can realize accurate control；Temporary rainwater,
Also there is pipe network peak value to cut down, delay is avoided the peak hour and rainwater storage function.
In an embodiment of the present embodiment:
As shown in Figure 1, rainwater purification system early period further includes the early period of rainwater storage box 500；
Early period, rainwater storage box 500 was set to the outside of shell 100, and the outlet of the first rain by being set to shell 100 510
It is connected to processing chamber；
The top of first rain outlet 510 is lower than the bottom of overflow inlet 220 and is higher than the blowdown liquid of automatic sewage discharging device 400
Position.
Runoff rainwater early period enters processing chamber by diameter inflow entrance 110, is then further separated into early period by first rain outlet 510
In rainwater storage box 500, rainwater early period of heavy contamination is initially stored in rainwater storage box early period 500.It is stored in early period
The rainwater of rainwater storage box 500 can continue to recycle by the sustained release purification discharge of delayed release device 300, purifying rainwater；Emptying
Period can be set to 12-36 hours, and the sufficient residence time makes storage rainwater be purified by depositing technology.
Early period, rainwater storage box 500 can be set one, two or three, and early period, rainwater storage box 500 was along shell
The form of 100 peripheral distribution, distribution is unrestricted, early period rainwater storage box 500 setting purpose primarily to realizing pair
Early period therefore the storage and precipitating of amount of rainfall can be realized the purpose.
In an embodiment of the present embodiment:
As shown in Figure 1, rainwater storage box early period 500 is arranged two；
Two early period rainwater storage box 500 be oppositely arranged, rain outlet 510 is oppositely arranged at the beginning of two.
For runoff rainwater after diameter inflow entrance 110 enters processing chamber, the first rain outlet 510 being oppositely arranged from two shunts stream
Enter in rainwater storage box early period 500.Be arranged two early period rainwater storage box 500, can be realized balanced shunting, in order to avoid cause to handle
The fluctuation in intracavitary portion.
In an embodiment of the present embodiment:
As shown in Figure 1, the bottom of just rain outlet 510 is higher than the bottom wall of processing chamber.The dirt in processing chamber can effectively be avoided
Dye object is back in rainwater storage box early period 500, meanwhile, the pollutant for being also beneficial to flow into rainwater early period storage box 500 subtracts
Unhurried current speed, sufficiently precipitating by automatic sewage discharging device 400 to be effectively discharged.
In an embodiment of the present embodiment:
Early period rainwater storage box 500 bottom close to first rain outlet 510 one end arrive far from first rain export 510 one end it
Between vertical height difference be inclined height；
The length of the centerline direction along first rain outlet 510 of processing chamber bottom wall is lateral length；
The ratio between inclined height and lateral length are greater than 2%.
Early period rainwater storage box 500 bottom be obliquely installed relative to processing chamber bottom wall, can be obliquely installed upwards, can also be with
Tilt down setting.In the present embodiment, preferably 500 bottom of rainwater early period storage box far from first rain outlet 510 one end to
On be obliquely installed, the pollutant facilitated in rainwater storage box early period 500 in this way can be finally back in processing chamber, then be connected
It is discharged together through automatic sewage discharging device 400 with the pollutant for handling intracavitary.Also, the gradient is greater than 2%, which refers to
Early period rainwater storage box 500 bottom surface whole story both ends height difference and processing chamber bottom wall length ratio.
In an embodiment of the present embodiment:
As shown in Fig. 2, shell 100 is additionally provided with water out 600；
Bottom with water out 600 is higher than the top of first rain outlet 510, and the top with water out 600 is lower than overflow inlet
220 bottom.
Early period rainwater storage box 500 be filled with after, the mid-term rainwater water level of relative clean is higher than the top of first rain outlet 510
Portion, can be by matching 600 discharge system of water out, into the low influence development facility of rainwater-collecting reuse or sponge city.It is higher than
The rainwater (more than reuse amount or the low rainwater for influencing development facility treating capacity) at the top with water out 600 covers weir divider
210 overflow inlet 220 is discharged into Storm Sewer Network by overflow outlet 230.
Conventional facilities abandoned stream amount of rainfall is subjected to double purification, purifying rainwater can continue reuse, improve rainwater resource
Utilization rate reduces the pollutional load of subsequent processing facility.
As shown in Fig. 2, in an embodiment of the present embodiment: rainy grate 700 is arranged in diameter inflow entrance 110.
As shown in Fig. 2, in an embodiment of the present embodiment: diameter inflow entrance 110 is additionally provided with Prefabricated combined septic tank 800；
Prefabricated combined septic tank 800 is set to the bottom side of rain grate 700.
Rain grate 700 and Prefabricated combined septic tank 800 enter processing after capable of intercepting sundries and bulky grain pollutant in removal rainwater
Chamber.Mitigate the load of subsequent purification processing step, the degree of purification of the rainwater of discharge is effectively ensured.
In an embodiment of the present embodiment:
To sum up, runoff rainwater is split first, and rainwater early period of heavy contamination is initially stored in rainwater storage box early period
In, the mid-term rainwater of relative clean enters reuse or sponge facility, and excess stormwater overflow enters Storm Sewer Network；The early period being stored
Rainwater is purified by delayed release device, and purifying rainwater can continue to recycle；Pollutant concentration after concentration is higher remaining
Water is discharged into sewage network by automatic sewage discharging device.
Embodiment 2.
Present embodiments provide rainwater purification method early period, comprising the following steps:
Early period rainwater treatment step: storage rainwater early period, lower than the first water level and be higher than the second water level rainwater early period pass through
The sustained release discharge of delayed release device 300, rainwater early period lower than the second water level are discharged through automatic sewage discharging device 400, and the first water level is higher than
Second water level；
Later period rainwater treatment step: stormwater overflow early period higher than the first water level is discharged.
By the setting of the first water level and the second water level, overflow discharge rate, sustained release purification discharge rate, Yi Jipai can be controlled
Dirty abandoned stream amount avoids the occurrence of abandoned stream excess or abandoned stream deficiency feelings to be accurately controlled links amount of rainfall to be treated
Condition occurs.
Stormwater overflow early period higher than the first water level is discharged, and is discharged into Storm Sewer Network.The sustained release purification discharge of delayed release device 300
, into rainwater-collecting reuse facility.And rainwater early period lower than the second water level through automatic sewage discharging device 400 is expelled to sewage pipe
Net.
In an embodiment of the present embodiment:
Mid-term rainwater treatment step: lower than the first water level and it is higher than the rainwater early period formation mid-term rainwater of third water level and overflows
Stream discharge, third water level is lower than the first water level and is higher than the second water level；
In early period rainwater treatment step, higher than the second water level and lower than third water level early period rainwater through delayed release device 300
Sustained release discharge.
Mid-term rainwater and overflow discharge are formed lower than the first water level and higher than rainwater early period of third water level, into rainwater collection
Collect reuse or the low influence development facility in sponge city.Stormwater overflow early period higher than the first water level is discharged, and is discharged into Storm Sewer Network.Into
Row double purification, purifying rainwater can continue reuse, improve rainwater resources utilization rate, and the pollution for reducing subsequent processing facility is negative
Lotus.
Runoff rainwater is split first, and rainwater early period of heavy contamination is initially stored in rainwater storage facility early period,
The middle and later periods rainwater of relative clean, which passes through, enters reuse or sponge facility with water out 600, and excess rainwater passes through overflow inlet 220
Enter Storm Sewer Network with overflow outlet 230；Rainwater early period being stored is purified by delayed release device 300, is discharged through sustained release
The purifying rainwater that pipeline 310 is discharged can continue to recycle；Pollutant after concentration, concentration is higher, then passes through automatic pollution discharge
Device 400 is discharged into sewage network.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of rainwater purification system early period, it is characterised in that:
Shell, overflow mechanism, delayed release device and automatic sewage discharging device including being provided with chamber；
The overflow mechanism includes being vertically arranged to the chamber, and the chamber is divided into the overflow of processing chamber and spill cavity
Partition；The overflow inlet for being connected to the processing chamber and the spill cavity is provided at the top of the weir divider, the shell
Bottom side is provided with the overflow outlet for being connected to the processing chamber；
The delayed release device and the automatic sewage discharging device are all set in the processing chamber, and the delayed release device, which is provided with, stretches out institute
State the sustained release outlet conduit of shell；The automatic sewage discharging device is provided with the blow-off line for stretching out the shell, the automatic row
The blowdown liquid level of dirty device is lower than the bottom of the overflow inlet；
The diameter inflow entrance for being connected to the processing chamber is provided at the top of the shell.
2. rainwater purification system early period according to claim 1, it is characterised in that:
Rainwater purification system early period further includes rainwater storage box early period；
The rainwater early period storage box is set to the outside of the shell, and the outlet of the first rain by being set to the shell and institute
State processing chamber connection；
The top of the just rain outlet is lower than the bottom of the overflow inlet and is higher than the blowdown liquid level of the automatic sewage discharging device.
3. rainwater purification system early period according to claim 2, it is characterised in that:
The bottom of the just rain outlet is higher than the bottom wall of the processing chamber.
4. rainwater purification system early period according to claim 3, it is characterised in that:
The rainwater early period storage box bottom close to it is described just rain outlet one end arrive far from it is described just rain export one end it
Between vertical height difference be inclined height；
The length of the centerline direction along the just rain outlet of the processing chamber bottom wall is lateral length；
The ratio between the inclined height and the lateral length are greater than 2%.
5. rainwater purification system early period according to claim 2, it is characterised in that:
The rainwater early period storage box is arranged two；
Two rainwater early period storage boxes are oppositely arranged, and two just rain outlets are oppositely arranged.
6. rainwater purification system early period according to claim 2, it is characterised in that:
The shell is additionally provided with water out；
The bottom with water out is higher than the top of the just rain outlet, and the top with water out enters lower than the overflow
The bottom of mouth.
7. rainwater purification system early period according to claim 1, it is characterised in that:
The diameter inflow entrance is provided with rain grate.
8. rainwater purification system early period according to claim 7, it is characterised in that:
The diameter inflow entrance is additionally provided with Prefabricated combined septic tank；
The Prefabricated combined septic tank is set to the bottom side of the rain grate.
9. rainwater purification system early period according to claim 2, it is characterised in that:
The bottom of the rainwater early period storage box is higher than the bottom wall of the processing chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821460058.4U CN208726822U (en) | 2018-09-05 | 2018-09-05 | Early period rainwater purification system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821460058.4U CN208726822U (en) | 2018-09-05 | 2018-09-05 | Early period rainwater purification system |
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| CN208726822U true CN208726822U (en) | 2019-04-12 |
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ID=66033895
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108939625A (en) * | 2018-09-05 | 2018-12-07 | 上海市绿化管理指导站 | Early period rainwater purification system and method |
| CN108967126A (en) * | 2018-09-05 | 2018-12-11 | 上海市绿化管理指导站 | Rainwater irrigation system and method under overpass |
| CN111535416A (en) * | 2020-04-26 | 2020-08-14 | 上海市政工程设计研究总院（集团）有限公司 | System and process for controlling rainwater source of sponge city based on time delay regulation technology |
-
2018
- 2018-09-05 CN CN201821460058.4U patent/CN208726822U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108939625A (en) * | 2018-09-05 | 2018-12-07 | 上海市绿化管理指导站 | Early period rainwater purification system and method |
| CN108967126A (en) * | 2018-09-05 | 2018-12-11 | 上海市绿化管理指导站 | Rainwater irrigation system and method under overpass |
| CN111535416A (en) * | 2020-04-26 | 2020-08-14 | 上海市政工程设计研究总院（集团）有限公司 | System and process for controlling rainwater source of sponge city based on time delay regulation technology |
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