CN107012937A - Intercepting pollution for rainwater part flow arrangement and drainage system - Google Patents
Intercepting pollution for rainwater part flow arrangement and drainage system Download PDFInfo
- Publication number
- CN107012937A CN107012937A CN201710391499.7A CN201710391499A CN107012937A CN 107012937 A CN107012937 A CN 107012937A CN 201710391499 A CN201710391499 A CN 201710391499A CN 107012937 A CN107012937 A CN 107012937A
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- rhone
- overflow
- main body
- rainwater
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
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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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sewage (AREA)
Abstract
The present invention provides a kind of intercepting pollution for rainwater part flow arrangement and drainage system.The intercepting pollution for rainwater part flow arrangement, including shunting box body, and the Prefabricated combined septic tank being arranged in the shunting box body；The shunting box body includes box main body, is provided projectingly on the overflow pipe in the middle part of the box main body, and the discharge outlet being opened on the wall of the box main body side；Rhone is formed between the overflow pipe and the box main body, the rhone is in communication with the outside by the discharge outlet；Overflow ducts are formed with the overflow pipe, the overflow ducts connect the rhone and the external world；The Prefabricated combined septic tank is arranged at the top of the overflow pipe and covers the rhone, and the overflow ducts and the rhone are separated and separate the rhone and discharge outlet by the Prefabricated combined septic tank.The technical scheme that the present invention is provided, can cut dirty shunting to rainwater progress, can reduce the impact on low influence development facility in heavy rain, additionally it is possible to filter the rainwater of discharge to ensure effects of purification quality.
Description
Technical field
The present invention relates to municipal works technical field, more particularly to a kind of intercepting pollution for rainwater part flow arrangement and drainage system.
Background technology
Rainwater non-point pollution is solved, is one of sponge urban construction main target.In conventional art, the means generally used
It is that early-stage rainwater is introduced in sponge facility by drainage measure when spotting and carries out rainwater purification, the rainwater when raining heavily
Discharged through overflow ducts.However, in practical situations both, when either spotting, when still raining heavily, rainwater can be introduced into low
Development facility is influenceed, then is discharged by overflow ducts.So that, low influence development facility can be formed when raining in torrents
Enormous impact, reduces effects of purification quality.
The content of the invention
To solve the above problems, the present invention provides a kind of intercepting pollution for rainwater part flow arrangement and drainage system, rainwater can be carried out
Dirty shunting is cut, the excessive impact on low influence development facility in heavy rain can be reduced, additionally it is possible to which the rainwater of filtering discharge is to protect
Demonstrate,prove effects of purification quality.
Its technical scheme is as follows：
A kind of intercepting pollution for rainwater part flow arrangement, including shunting box body, and the Prefabricated combined septic tank being arranged in the shunting box body；
The shunting box body includes box main body, is provided projectingly on the overflow pipe in the middle part of the box main body, and be opened in institute
State the discharge outlet on the wall of box main body side；Rhone is formed between the overflow pipe and the box main body, the rhone passes through
The discharge outlet is in communication with the outside；Be formed with overflow ducts in the overflow pipe, the overflow ducts connect the rhone with
It is extraneous；
The Prefabricated combined septic tank is arranged at the top of the overflow pipe and covers the rhone, and the Prefabricated combined septic tank overflows described
Circulation road and the rhone separate and separate the rhone and discharge outlet；And offered on the Prefabricated combined septic tank
Multiple water holes, the overflow ducts are connected with rhone by the water hole, and the rhone and discharge outlet pass through described
Water hole is connected.
Further technical scheme is illustrated below：
Further, the overflow pipe includes the delivery port for being opened in the box main body bottom, and is opened in described overflow
Overfall at the top of flow tube, the Prefabricated combined septic tank is every at the overfall, and the overflow ducts pass through the overfall
Connect and be in communication with the outside by the delivery port with the rhone.
Further, the height of the overfall is not higher than the apical side height of the shunting box body and is not less than the row
The height at the mouth of a river.
Further, the Prefabricated combined septic tank includes overflow net and drainage network, and the overflow net is by the overflow of the overflow pipe
Passage is separated with the box main body inner chamber, and the drainage network separates the rhone with the discharge outlet；
Offer multiple water holes on the overflow net and drainage network, the overflow ducts and the box main body
Inner chamber is connected by the water hole, and the rhone is connected with discharge outlet by the water hole.
Further, the overflow pipe is isolated is arranged at the box main body center, and the rhone, which encloses, is set to institute
State around overflow pipe and form ring channel structures；
The drainage network correspondence rhone of the Prefabricated combined septic tank is set to ring network architectures, and the drainage network includes and institute
Outside net, the inner side net with the ring-type of the wall contacts of the ring-type of box main body side wall contact are stated, and connects the outside
The spacer screen of net and inner side net, the spacer screen is contacted with the box main body bottom wall, and the overflow net is connected to the inner side of ring-type
Between net.
Further, the height of the outside net is higher than the height of the discharge outlet, and the height of the inner side net is not less than
The height of the outside net；And the overflow net is arranged at the inner side net top, and hook is provided with the top of the overflow net.
Further, in addition to be covered on it is described shunting box body on shunting lid；
The shunting lid includes lid main body, is opened in the water inlet in the lid main body, the water inlet and the row
Tank is connected；
Also include the articulated structure for being arranged at the lid body side, the articulated structure connects with the box main body side
Connect.
Further, it is inwardly projecting at the top of the box main body to be provided with boss, and the damping being arranged on the boss
Bar, the lid main body the week side of boss is held on the shock absorption strip.
Further, the shunting box body is set to Nodular cast iron material, and the Prefabricated combined septic tank is set to polyethylene material.
In addition, the present invention also proposes a kind of drainage system, including intercepting pollution for rainwater part flow arrangement as described above, and with institute
State the rainwater purification facility of the discharge outlet connection of intercepting pollution for rainwater part flow arrangement.
The present invention has the advantages that：Rainwater initially enters the rhone of intercepting pollution for rainwater part flow arrangement during light rain, and
From the discharge outlet discharge of shunting box body, discharge outlet is connected with other drainage pipelines introduces rainwater in rainwater treatment facility；Heavy rain
Shi Yushui diffuses out rhone, into the overflow ducts shunted in the middle part of box body, and enters discharge in inlet for stom water；Moreover, cutting dirty hang
Basket is fitted in rhone, covering discharge outlet and overflow ducts, and bulky grain pollutant can be dammed；Prefabricated combined septic tank laminating row
Tank is set to bottomed form, with heavy mud (sand) function, and can topple over Prefabricated combined septic tank taking-up；Pre-processed with rainwater with dividing
Function is flowed, while draining safety can be ensured again.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of intercepting pollution for rainwater part flow arrangement of the present invention；
Fig. 2 is the cross-sectional structure schematic diagram of intercepting pollution for rainwater part flow arrangement of the present invention；
Fig. 3 is the overlooking the structure diagram of the Prefabricated combined septic tank of intercepting pollution for rainwater part flow arrangement of the present invention；
Fig. 4 is the cross-sectional structure schematic diagram of the Prefabricated combined septic tank of intercepting pollution for rainwater part flow arrangement of the present invention.
Description of reference numerals：
100- shunting box bodys, 102- overflow ducts, 104- rhones, 110- discharge outlet, 120- overflow pipes, 130- boss,
140- shock absorption strips, 200- shunting lids, 210- water inlets, 220- articulated structures, 300- Prefabricated combined septic tanks, 310- overflow nets, 312-
Hook, 320- drainage networks.
Embodiment
Embodiments of the invention are described in detail below：
As shown in figure 1, the present invention proposes a kind of intercepting pollution for rainwater part flow arrangement, including shunting box body 100, and it is arranged at institute
State the Prefabricated combined septic tank 300 in shunting box body 100.Rainwater can be shunted by the shunting box body 100, and combine institute
Prefabricated combined septic tank 300 is stated, interception filtering can be carried out to the bulky grain dirt in rainwater, the rainwater of discharge is more cleaned, be difficult
Drainage pipeline is blocked, subsequent treatment is also allowed for.
Specifically, as shown in Fig. 2 the shunting box body 100 includes box main body, it is provided projectingly in the middle part of the box main body
Overflow pipe 120, and the discharge outlet 110 being opened on the wall of the box main body side.Between the overflow pipe 120 and the box main body
Rhone 104 is formed with, the rhone 104 is in communication with the outside by the discharge outlet 110.Formed in the overflow pipe 120
There are overflow ducts 102, the overflow ducts 102 connect the rhone 104 and inlet for stom water.When spotting, rainwater first can
Discharged into the rhone 104 of the intercepting pollution for rainwater part flow arrangement, and from the discharge outlet 110 of the shunting box body 100, institute
Discharge outlet 110 is stated to be connected in rainwater introducing rainwater treatment facility with other drainage pipelines；When raining heavily, rainwater can diffuse out institute
Rhone 104 (amount of rainfall is larger, and the discharge outlet 110 can not be discharged in time) is stated, and enters the middle part of shunting box body 110
In the overflow ducts 102 of the overflow pipe 120, and enter discharge in inlet for stom water by the overflow ducts 102.
Moreover, the overflow pipe 120 includes the delivery port for being opened in the box main body bottom, and it is opened in the overflow
The overfall at the top of pipe 120, the overflow ducts connect the delivery port and overfall.The overflow from the rhone 104
Rainwater can flow into the overflow ducts 102 from the overfall at the top of overflow pipe 120, and flow into outside by the delivery port
Inlet for stom water in and discharged by storm sewer.In addition, the height of the overfall is not higher than the top surface of the shunting box body 100
Highly and it is not less than the height of the discharge outlet 110.In this way, it is possible to during so that rainwater covering the discharge outlet 110, with regard to energy
Overflow is carried out in time by the overflow ducts 102, it is to avoid rainwater overflows the shunting box body.
Moreover, the overflow pipe 120 can isolate the box main body center that is arranged at, the rhone 104 is enclosed located at described
Around overflow pipe 120 and form ring channel structures.Will the overflow pipe 120 be arranged on it is described shunting box body 100 center, and
The ring of rhone 104 is located at around the overflow pipe 120 (i.e. described rhone 104 is communicated as one).It is so described
Rainwater product in rhone 104 just can be easily spilt into the overflow pipe 120 when full, and from the overflow pipe 120
Overflow ducts 102 flow out to inlet for stom water.In addition it is also possible to set the overflow pipe of strip, the overflow pipe can will be described
Box main body interior separations, the independent rhone is formed in the overflow pipe both sides, and (i.e. described rhone is divided at least two
It is individual), one discharge outlet 110 of each rhone correspondence.In addition, the overflow pipe may also set up it is multiple (two with
On), accordingly the rhone can be communicated as one, can also be divided into it is multiple.
In addition, the intercepting pollution for rainwater part flow arrangement also includes the shunting lid 200 being covered on the shunting box body 100.
The shunting lid 200 can provide protection for the shunting box body 100, it is to avoid substantial amounts of dirt is directly entered the divided flow box
In body 100, it also avoid other people or thing and fall into the shunting box body 100.Specifically, the shunting lid 200 includes lid
Main body, is opened in the water inlet 210 in the lid main body, and the water inlet 210 is connected with the rhone 104.Rainwater can be with
Flowed into the rhone 104, then discharged by the discharge outlet or/and overflow ducts by the water inlet 210.In addition,
The shunting lid 200 also includes being arranged at the articulated structure 220 of the lid body side, the articulated structure 220 with it is described
Box main body side is connected.Easily the shunting lid 200 and shunting box body 100 can be cut with scissors by the articulated structure 220
It is connected together, is easy to open and close the intercepting pollution for rainwater part flow arrangement.
Boss 130 is provided with moreover, can also be protruded inwardly from the top of the box main body, and is arranged at the boss 130
On shock absorption strip 140, the lid main body the week side of boss is held on the shock absorption strip 140.It is inwardly prominent by being set at the top of box main body
The week side of boss of the shunting lid 200, can be shelved on the boss 130, be the shunting box body by the boss 130 gone out
200 provide stable support.Can be institute moreover, also setting shock absorption strip 140 between the boss 130 and shunting box body 200
State shunting lid 200 and buffering is provided, it is to avoid damage the shunting lid 200 and shunting box body 100 by pressure.Further, it is also possible to by institute
State boss 130 to be arranged under the top surface of the box main body, and make the top surface and the shunting box body 100 of the shunting box body 100
Either flush (being embedded in equivalent to the shunting box body 100 in the shunting box body 100) so that intercepting pollution for rainwater shunting dress
Appearance looks elegant is put, it is easy to use.In addition, the boss 130 and shock absorption strip 140 may be configured as multistage strip or ring-type.
In addition, as shown in Figures 2 to 4, the Prefabricated combined septic tank 300 is arranged at the top of overflow pipe 120 and covers described
Rhone 104, and the Prefabricated combined septic tank 300 separates the overflow ducts 102 and the rhone 104 and by the row
Tank 104 and discharge outlet 110 are separated.Moreover, offering multiple water holes, the overflow ducts on the Prefabricated combined septic tank 300
102 are connected with rhone 104 by the water hole, and the rhone 104 is connected with discharge outlet 110 by the water hole.
By setting the Prefabricated combined septic tank 300 to be isolated the big particle and dirt in rainwater, preliminary mistake is carried out to rainwater
Filter, makes the rainwater by the rhone 104 entrance discharge outlet 110 more clean, can also make by the rhone
104 enter the rainwater also more cleaning of the discharge outlet 110 and overflow ducts 102.Moreover, the Prefabricated combined septic tank 300 every located at
At the overfall, and the overflow ducts 102 connected by the Prefabricated combined septic tank 300 (water hole) with the rhone 104,
And connected by the delivery port with extraneous (i.e. inlet for stom water).
Moreover, the Prefabricated combined septic tank 300 separates (and the overflow pipe of discharge outlet 110 for being arranged at the shunting box body 100
120) between the water inlet 210 of shunting lid 200, the rainwater for flowing into the shunting box body 100 is carried out cutting dirt.Moreover, institute
Prefabricated combined septic tank 300 is stated including overflow net 310 and drainage network 320, the overflow net 310 is by the overflow ducts of the overflow pipe 120
102 separate with the box main body inner chamber, and the drainage network 320 separates the rhone 104 with the discharge outlet 110.
Multiple water holes, the overflow ducts 102 and the box main body are offered on the overflow net 310 and drainage network 320
Inner chamber connected by the water hole, the rhone 104 is connected with discharge outlet 110 by the water hole.Utilize institute
Filtering section dirt can be carried out to the rainwater that will be flowed out from the discharge outlet 110 by stating drainage network 320, and utilize the overflow net
310 can carry out filtering to the rainwater that will be flowed out from the overflow ducts 102 cuts dirt.In addition, the overflow net 310 and drainage network
320 separately can be each separately provided, and the two can also be connected as one.
In addition, when the rhone 104 is set to annular groove, the correspondence of drainage network 320 of the Prefabricated combined septic tank 300 is described
Rhone is set to ring network architectures, the drainage network 320 include ring-type contact with box main body side wall outside net and
The inner side net of the ring-type of the wall contacts of overflow pipe 120, and the spacer screen that the connection outside net and inner side are netted, the spacer screen
Contacted with the box main body bottom wall, the overflow net 310 is connected between the net of the inner side of ring-type.Will the drainage network
320 are set to shape of cross section for U-shaped structure, enable the drainage network 320 well with box main body side wall (and
Bottom wall), overflow pipe outer wall laminating, support can be provided using box main body described in box and the overflow pipe for it, it is to avoid institute
State Prefabricated combined septic tank 300 and produce moderate finite deformation in use, also can filter to maximum the dirt in rainwater.As the row
When tank 104 is not configured to ring channel structures, the shape of the shape of the drainage network 320 also with the rhone is corresponding, and
The shape of cross section of the drainage network 320 still could be arranged to U-shaped.In addition, the shape and structure of the overflow net 310 is just relative
Simply, it may be configured as top that is plane and being directly covered in the overflow pipe 120.
Moreover, the height of the outside net is higher than the height of the discharge outlet 110, the height of the inner side net is not less than institute
State the height of outside net；And the overflow net 310 is arranged at the inner side net top, and the top of the overflow net 310 is provided with
Hook 312 (top of the drainage network 320 can also be provided with the hook 312).By the inner side net is set compared with
The outside net is high, you can so that the height of the overflow net 310 is higher than the height of the drainage network 320, with the overflow pipe
120 shape and structure, which is more corresponded to, to be met, and is easy to make the overflow net 310 fit in the top of overflow pipe 120.In addition, logical
Cross and hook 312 is set at the top of the overflow net 310 (and described drainage network 320), being easy to will be described by the hook 312
Prefabricated combined septic tank 300 is carried or put down, easy to use.
In addition, the shunting box body 100 may be configured as Nodular cast iron material, the Prefabricated combined septic tank 300 may be configured as poly- second
Alkene material.So that shunting box body 100 sound construction is reliable, and the Prefabricated combined septic tank 300 is light corrosion-resistant.
In addition, the present invention also proposes a kind of drainage system, including intercepting pollution for rainwater part flow arrangement as described above, and with institute
State the rainwater purification facility of the discharge outlet connection of intercepting pollution for rainwater part flow arrangement.Intercepting pollution for rainwater part flow arrangement proposed by the present invention and row
Water system, rainwater initially enters the rhone of intercepting pollution for rainwater part flow arrangement during light rain, and from the discharge outlet discharge of shunting box body, arranges
The mouth of a river is connected with other drainage pipelines introduces rainwater in rainwater treatment facility；Rainwater diffuses out rhone when raining heavyly, into shunting
In overflow ducts in the middle part of box body, and enter discharge in inlet for stom water；Moreover, Prefabricated combined septic tank is fitted in rhone, draining is covered
Mouth and overflow ducts, can dam to bulky grain pollutant；Prefabricated combined septic tank laminating rhone is set to bottomed form, with heavy
Mud (sand) function, and can topple over Prefabricated combined septic tank taking-up；With rainwater pretreatment and diverter function, while can ensure that draining is pacified again
Entirely, will not be on low influence development facility formation greater impact during heavy rain, can also increase water quality clean-up effect.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of intercepting pollution for rainwater part flow arrangement, it is characterised in that including shunting box body, and be arranged in the shunting box body
Prefabricated combined septic tank；
The shunting box body includes box main body, is provided projectingly on the overflow pipe in the middle part of the box main body, and be opened in the box
Discharge outlet in main body wall；Rhone is formed between the overflow pipe and the box main body, the rhone passes through described
Discharge outlet is in communication with the outside；Overflow ducts are formed with the overflow pipe, the overflow ducts connect the rhone and the external world；
The Prefabricated combined septic tank is arranged at the top of the overflow pipe and covers the rhone, and the Prefabricated combined septic tank leads to the overflow
Road and the rhone separate and separate the rhone and discharge outlet；And offered on the Prefabricated combined septic tank multiple
Water hole, the overflow ducts are connected with rhone by the water hole, and the rhone and discharge outlet cross water by described
Hole is connected.
2. intercepting pollution for rainwater part flow arrangement according to claim 1, it is characterised in that the overflow pipe is described including being opened in
The delivery port of box main body bottom, and the overfall at the top of the overflow pipe is opened in, the Prefabricated combined septic tank overflows every located at described
At head piece, and the overflow ducts are connected with the rhone by the overfall and connected by the delivery port with extraneous
It is logical.
3. intercepting pollution for rainwater part flow arrangement according to claim 2, it is characterised in that the height of the overfall is not higher than institute
State the apical side height of shunting box body and be not less than the height of the discharge outlet.
4. the intercepting pollution for rainwater part flow arrangement according to claim 1-3 any one, it is characterised in that the Prefabricated combined septic tank bag
Overflow net and drainage network are included, the overflow net separates the overflow ducts of the overflow pipe with the box main body inner chamber, described
Drainage network separates the rhone with the discharge outlet；
The inner chamber of multiple water holes, the overflow ducts and the box main body is offered on the overflow net and drainage network
Connected by the water hole, the rhone is connected with discharge outlet by the water hole.
5. intercepting pollution for rainwater part flow arrangement according to claim 4, it is characterised in that the overflow pipe is isolated be arranged at it is described
Box main body center, the rhone, which encloses, is set to around the overflow pipe and is formed ring channel structures；
The drainage network correspondence rhone of the Prefabricated combined septic tank is set to ring network architectures, and the drainage network includes and the box
Outside net, the inner side net with the ring-type of the overflow pipe wall contacts of the ring-type of main body wall contact, and connect described outer
The spacer screen of side net and inner side net, the spacer screen is contacted with the box main body bottom wall, and the overflow net is connected to the described interior of ring-type
Between the net of side.
6. intercepting pollution for rainwater part flow arrangement according to claim 5, it is characterised in that the height of the outside net is higher than described
The height of discharge outlet, the height of the inner side net is not less than the height of the outside net；And the overflow net is arranged in described
Side net top, and it is provided with hook at the top of the overflow net.
7. the intercepting pollution for rainwater part flow arrangement according to claim 1-3 any one, it is characterised in that also including being covered on
State the shunting lid on shunting box body；
The shunting lid includes lid main body, is opened in the water inlet in the lid main body, the water inlet and the rhone
Connection；
Also include the articulated structure for being arranged at the lid body side, the articulated structure is connected with the box main body side.
8. intercepting pollution for rainwater part flow arrangement according to claim 7, it is characterised in that inwardly projecting at the top of the box main body to set
Boss, and the shock absorption strip being arranged on the boss are equipped with, the lid main body the week side of boss is held on the shock absorption strip.
9. the intercepting pollution for rainwater part flow arrangement according to claim 1-3 any one, it is characterised in that the shunting box body is set
Nodular cast iron material is set to, the Prefabricated combined septic tank is set to polyethylene material.
10. a kind of drainage system, it is characterised in that shunt dress including the intercepting pollution for rainwater according to claim any one of 1-9
Put, and the rainwater purification facility connected with the discharge outlet of the intercepting pollution for rainwater part flow arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391499.7A CN107012937A (en) | 2017-05-27 | 2017-05-27 | Intercepting pollution for rainwater part flow arrangement and drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391499.7A CN107012937A (en) | 2017-05-27 | 2017-05-27 | Intercepting pollution for rainwater part flow arrangement and drainage system |
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| CN107012937A true CN107012937A (en) | 2017-08-04 |
Family
ID=59451494
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| CN201710391499.7A Pending CN107012937A (en) | 2017-05-27 | 2017-05-27 | Intercepting pollution for rainwater part flow arrangement and drainage system |
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| CN108221885A (en) * | 2018-03-29 | 2018-06-29 | 辽宁省水利水电勘测设计研究院有限责任公司（原名称为辽宁省水利水电勘测设计研究院） | Duct run-off |
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| CN109915943A (en) * | 2019-03-22 | 2019-06-21 | 青岛海信电子设备股份有限公司 | A kind of water-distributing device |
| CN111305352A (en) * | 2020-03-02 | 2020-06-19 | 泉州市元通科技服务有限公司 | Rainwater flow distribution equipment for urban drainage system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221885A (en) * | 2018-03-29 | 2018-06-29 | 辽宁省水利水电勘测设计研究院有限责任公司（原名称为辽宁省水利水电勘测设计研究院） | Duct run-off |
| CN108221885B (en) * | 2018-03-29 | 2023-09-26 | 辽宁省水利水电勘测设计研究院有限责任公司（原名称为辽宁省水利水电勘测设计研究院） | Overflow pool for duct |
| CN109322377A (en) * | 2018-11-13 | 2019-02-12 | 南京建大水务科技有限公司 | A kind of macromolecule part flow arrangement |
| CN109372087A (en) * | 2018-11-30 | 2019-02-22 | 南京兰庭绿色建筑技术有限公司 | A kind of face source pollution control catch-basin |
| CN109372087B (en) * | 2018-11-30 | 2021-06-15 | 南京兰庭绿色建筑技术有限公司 | Non-point source sewage control catch basin |
| CN109915943A (en) * | 2019-03-22 | 2019-06-21 | 青岛海信电子设备股份有限公司 | A kind of water-distributing device |
| CN111305352A (en) * | 2020-03-02 | 2020-06-19 | 泉州市元通科技服务有限公司 | Rainwater flow distribution equipment for urban drainage system |
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Application publication date: 20170804 |