CN204530943U - A kind of early-stage rainwater part flow arrangement - Google Patents
A kind of early-stage rainwater part flow arrangement Download PDFInfo
- Publication number
- CN204530943U CN204530943U CN201520141166.5U CN201520141166U CN204530943U CN 204530943 U CN204530943 U CN 204530943U CN 201520141166 U CN201520141166 U CN 201520141166U CN 204530943 U CN204530943 U CN 204530943U
- Authority
- CN
- China
- Prior art keywords
- weep hole
- early
- stage rainwater
- floating ball
- overhead gage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Sewage (AREA)
Abstract
The utility model discloses a kind of early-stage rainwater part flow arrangement, comprise housing, housing upper is provided with water inlet and the delivery port lower than water inlet, the bottom of housing is provided with the separation panel mouth of a river, overhead gage is provided with in housing, space, upper and lower part in housing is separated into pre-filtering room and diffluence room by overhead gage, and overhead gage has weep hole, and the flow that weep hole is provided with along with rainfall runoff increases the Split-flow Control mechanism closing weep hole; The perforated plate being provided with filter screen in pre-filtering room, removably connecting with inner walls, perforated plate is equipped with pre-filter layer, filter screen is positioned on pre-filter layer and space more than pre-filter layer is separated into intake chamber and water-supplying chamber, and water inlet is positioned on intake chamber, and delivery port is positioned in water-supplying chamber.Pre-filtering and early-stage rainwater shunting combine by the utility model, while effectively controlling major pollutants, realize the automatic discharge of abandoned stream rainwater.The utility model is the integrated design, simple and compact for structure, is convenient to installation and maintenance, and cost is low, takes up an area few.
Description
Technical field
The utility model relates to a kind of early-stage rainwater part flow arrangement.
Background technology
At present, the most urban construction of China has changed the structure of original underlying surface, and a large amount of hard ground instead of the natural ground with penetrating power, causes rainwater to enter pipe network by runoff, impacts pipe network, occurs the situation of a large amount of waterlogging.Meanwhile, the souring of rainfall runoff to hard underlying surface makes a large amount of pollutant enter discharge water body, result in comparatively serious pollution of area source.
If effectively control with serious pollution early-stage rainwater, then comparatively clean later stage rainwater can be utilized, promote water saving, reduce waterlogging, can pollution of area source be reduced again.But adopt conventional drainage tank and pipe network shunting modification measures, its difficulty of construction is large, takes up an area more, in the more difficult realization in the city that building density is large.
Existing device many employings lever construction to early-stage rainwater stream abandoning, its defect is that structure is comparatively complicated, floor space is large.Such as:
Chinese patent (publication number CN201883411U) discloses a kind of early-stage rainwater stream abandoning device, this device comprises abandoned stream well and shunting well, the partition wall of abandoned stream well and shunting well is provided with distributing trough, one end of distributing trough is provided with abandoned stream mouth, abandoned stream mouth is provided with lays one's hand on plate, lays one's hand on plate and abandoned stream mouth chain connection.This device does not provide the discharge mode of abandoned stream rainwater, and abandoned stream well floor space is larger.
Chinese patent (publication number CN202925665U) discloses a kind of early-stage rainwater stream abandoning device, this device controls abandoned stream mainly through flap type, flap type connects ball float by linkage, but, flap type is easier to retain pollutant, weight can sink to blocking blow-off pipe after increasing, thus affects filth-discharging effect.
Utility model content
The purpose of this utility model be to provide a kind of simple and compact for structure, cost is low, take up an area less, be convenient to the early-stage rainwater part flow arrangement applied.
The purpose of this utility model realizes by following technical measures: a kind of early-stage rainwater part flow arrangement, comprise housing, described housing upper is provided with water inlet and the delivery port lower than water inlet, it is characterized in that: the bottom of described housing is provided with the separation panel mouth of a river, overhead gage is provided with in described housing, space, upper and lower part in housing is separated into pre-filtering room and diffluence room by described overhead gage, described overhead gage has weep hole, and the flow that described weep hole is provided with along with rainfall runoff increases the Split-flow Control mechanism closing weep hole; The perforated plate being provided with filter screen in described pre-filtering room, removably connecting with inner walls, described perforated plate is equipped with pre-filter layer, described filter screen is positioned on described pre-filter layer and space more than pre-filter layer is separated into intake chamber and water-supplying chamber, wherein, described water inlet is positioned on described intake chamber, and described delivery port is then positioned in water-supplying chamber.
Pre-filtering and early-stage rainwater shunting combine by the utility model, while effectively controlling major pollutants, can realize the automatic discharge of abandoned stream rainwater.The utility model is the integrated design, simple and compact for structure, is convenient to installation and maintenance, and cost is low, takes up an area few.
As a kind of preferred embodiment of the present utility model, described Split-flow Control mechanism comprises connecting rod, upper floating ball, lower ball float and fixed bar, described upper floating ball is arranged on the upper end of connecting rod, described lower ball float is located at the lower end of connecting rod, connecting rod makes upper floating ball be in pre-filtering room through the weep hole of described overhead gage, lower ball float is then in diffluence room, the diameter of described upper floating ball and lower ball float is all greater than the aperture of weep hole, described fixed bar is arranged in weep hole and the rod end of fixed bar is fixed on the hole of weep hole along upper, described connecting rod through fixed bar and be provided with therebetween position limiting structure make with spacing upper floating ball without weep hole under flooded condition for opening, flow along with later stage rainfall runoff increases makes pre-filtering room ponding, upper floating ball floats and pulls lower ball float block weep hole and make whole rainfall runofves flow to follow-up water cell by filter screen from delivery port.
Improve as one of the present utility model, described Split-flow Control mechanism also comprises trumpet-shaped flow control tube, the upper orifice of described flow control tube is connected to the lower opening of weep hole along upper, described connecting rod is through flow control tube, the diameter of described lower ball float is greater than the caliber of flow control tube, the lower nozzle thus closedown weep hole of blocking flow control tube so that lower ball float rises.
As further improvement of the utility model, described upper floating ball is identical with the density of lower ball float, and the diameter of described upper floating ball is greater than the diameter of lower ball float, can increase buoyancy, ensures shunting effect.
As a kind of embodiment of the present utility model, described fixed bar is cross, the bar section of described connecting rod distance upper floating ball 5 ~ 10cm is solid, the described connecting rod bar section be positioned at below solid hopkinson bar section is that cross is hollow, cross hollow stem section can be slided along the cross part of fixed bar, without under flooded condition, the distance of described upper floating ball and perforated plate is 5 ~ 20cm, now, solid hopkinson bar paragraph forms described position limiting structure with spacing upper floating ball on the cross part of fixed bar, pre-filter layer and perforated plate energy dissipating is flowed through to make early-stage rainwater footpath, drain into diffluence room from weep hole after filtration.
The utility model can have following embodiment: described pre-filter layer adopts sand, slag or slag etc.
Overhead gage described in the utility model is funnel-form, and described weep hole is positioned at the bottom of overhead gage.The upper edge of described overhead gage and the distance of perforated plate are greater than 10cm.
The utility model can also do following improvement, and described early-stage rainwater part flow arrangement is buried.Do not affect view on the ground, do not take aboveground space, can initial cost be reduced.
Compared with prior art, the utility model has following significant effect:
(1) pre-filtering and early-stage rainwater shunting combine by the utility model, while effectively controlling major pollutants, can realize the automatic discharge of abandoned stream rainwater.
(2) the utility model is the integrated design, simple and compact for structure, and without the need to Valve controlling, be convenient to installation and maintenance, cost is low, takes up an area few.
(3) pre-filtering room of the present utility model can prevent the blocking of bottom abandoned stream parts, prevents floating thing from entering subsequent cell simultaneously.
(4) the utility model is buried, does not affect view on the ground, does not take aboveground space, can reduce initial cost.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is elevational schematic of the present utility model;
Fig. 2 is the cross sectional representation of the cross hollow stem section of connecting rod;
Fig. 3 is longitudinal partial schematic sectional view of connecting rod.
Detailed description of the invention
As shown in Figures 1 to 3, it is a kind of early-stage rainwater part flow arrangement of the utility model, early-stage rainwater part flow arrangement is buried, it comprises housing 1, housing 1 top is provided with the water inlet 2 of tubulose and the delivery port 14 lower than water inlet, the bottom of housing 1 is provided with the separation panel mouth of a river 12 of tubulose, overhead gage 7 is provided with in housing 1, space, upper and lower part in housing 1 is separated into pre-filtering room 15 and diffluence room 16 by overhead gage 7, overhead gage 7 is funnel-form, overhead gage 7 has weep hole, and weep hole is positioned at the bottom of overhead gage 7.The flow that weep hole is provided with along with rainfall runoff increases the Split-flow Control mechanism closing weep hole; The perforated plate 4 being provided with filter screen 13 in pre-filtering room 15, removably connecting with housing 1 inwall, the upper edge of overhead gage 7 and the distance of perforated plate 4 are greater than 10cm.Perforated plate 4 is equipped with pre-filter layer 3, pre-filter layer 3 specifically can adopt sand, slag or slag etc.Filter screen 13 is positioned on pre-filter layer 3 and the space of pre-filter layer more than 3 is separated into intake chamber 17 and water-supplying chamber 18, and wherein, water inlet 2 is positioned on intake chamber 17, and delivery port 14 is then positioned in water-supplying chamber 18.
In the present embodiment, Split-flow Control mechanism comprises connecting rod 9, upper floating ball 5, lower ball float 11, fixed bar 6 and trumpet-shaped flow control tube 8, upper floating ball 5 is identical with the density of lower ball float 11, and the diameter of upper floating ball 5 is greater than the diameter of lower ball float 11, ball float 5 is arranged on the upper end of connecting rod 9, lower ball float 11 is located at the lower end of connecting rod 9, connecting rod 9 makes upper floating ball 5 be in pre-filtering room 15 through the weep hole of overhead gage 7, lower ball float 11 is then in diffluence room 16, the diameter of upper floating ball 5 and lower ball float 11 is all greater than the aperture of weep hole, fixed bar 6 is arranged in weep hole and the rod end of fixed bar is fixed on the hole of weep hole along upper, connecting rod 9 through fixed bar 6 cross part and be provided with therebetween position limiting structure make with spacing upper floating ball without weep hole under flooded condition for opening, the upper orifice of flow control tube 8 is connected to the lower opening of weep hole along upper, connecting rod 9 is also through flow control tube 8, the diameter of lower ball float 11 is greater than the caliber of flow control tube 8, the lower nozzle thus closedown weep hole of blocking flow control tube 8 so that lower ball float 11 rises.In the present embodiment, see Fig. 2, 3, fixed bar 6 is cross, connecting rod 9 is solid apart from the bar section of upper floating ball 5 ~ 10cm, the connecting rod 9 bar section be positioned at below solid hopkinson bar section is cross hollow 19, cross hollow stem section 10 can be slided along the cross part of fixed bar 6, without under flooded condition, the distance of upper floating ball 5 and perforated plate 4 is 5 ~ 20cm, now, solid hopkinson bar paragraph forms position limiting structure with spacing upper floating ball on the cross part of fixed bar 6, pre-filter layer and perforated plate energy dissipating is flowed through to make early-stage rainwater footpath, drain into diffluence room from weep hole after filtration, flow along with later stage rainfall runoff increases makes pre-filtering room ponding, upper floating ball floats and pulls lower ball float block weep hole and make whole rainfall runofves flow to follow-up water cell by filter screen from delivery port.
The course of work of the present utility model is as follows: when rain runoff A flows into housing 1 through water inlet 2, rainfall runoff enters the diffluence room of bottom after pre-filter layer 3 and detachable perforated plate 4 energy dissipating and pre-filtering effect, and early-stage rainwater C discharges through the separation panel mouth of a river 12 after flow control tube 8; When amount of precipitation increases, upper floating ball 5 drives connecting rod 9 and lower ball float 11 to float, final lower ball float 11 blocks flow control tube 8, now rainwater B enters follow-up water cell by delivery port 14 after the interception of filter screen 13 later stage, overhead gage 7 is connected with the inwall of housing 1, prevent rainwater from directly draining, " ten " word fixed bar 6 plays the effect of stable connecting rod 9, prevents connecting rod from offseting.Along with amount of precipitation reduces, rainwater slowly flows out emptying whole device.
Embodiment of the present utility model is not limited thereto; according to foregoing of the present utility model; according to ordinary skill knowledge and customary means; do not departing under the utility model above-mentioned fundamental technics thought prerequisite; Split-flow Control mechanism of the present utility model, position limiting structure etc. also have other embodiment; the concrete material etc. of the shape of ball float and material, pre-filter layer can make the amendment of other various ways, replacement or change, all drops within the utility model rights protection scope.
Claims (9)
1. an early-stage rainwater part flow arrangement, comprise housing, described housing upper is provided with water inlet and the delivery port lower than water inlet, it is characterized in that: the bottom of described housing is provided with the separation panel mouth of a river, overhead gage is provided with in described housing, space, upper and lower part in housing is separated into pre-filtering room and diffluence room by described overhead gage, and described overhead gage has weep hole, and the flow that described weep hole is provided with along with rainfall runoff increases the Split-flow Control mechanism closing weep hole; The perforated plate being provided with filter screen in described pre-filtering room, removably connecting with inner walls, described perforated plate is equipped with pre-filter layer, described filter screen is positioned on described pre-filter layer and space more than pre-filter layer is separated into intake chamber and water-supplying chamber, wherein, described water inlet is positioned on described intake chamber, and described delivery port is then positioned in water-supplying chamber.
2. early-stage rainwater part flow arrangement according to claim 1, it is characterized in that: described Split-flow Control mechanism comprises connecting rod, upper floating ball, lower ball float and fixed bar, described upper floating ball is arranged on the upper end of connecting rod, described lower ball float is located at the lower end of connecting rod, connecting rod makes upper floating ball be in pre-filtering room through the weep hole of described overhead gage, lower ball float is then in diffluence room, the diameter of described upper floating ball and lower ball float is all greater than the aperture of weep hole, described fixed bar is arranged in weep hole and the rod end of fixed bar is fixed on the hole of weep hole along upper, described connecting rod through fixed bar and be provided with therebetween position limiting structure make with spacing upper floating ball without weep hole under flooded condition for opening, flow along with later stage rainfall runoff increases makes pre-filtering room ponding, upper floating ball floats and pulls lower ball float block weep hole and make whole rainfall runofves flow to follow-up water cell by filter screen from delivery port.
3. early-stage rainwater part flow arrangement according to claim 2, it is characterized in that: described Split-flow Control mechanism also comprises trumpet-shaped flow control tube, the upper orifice of described flow control tube is connected to the lower opening of weep hole along upper, described connecting rod is through flow control tube, the diameter of described lower ball float is greater than the caliber of flow control tube, the lower nozzle thus closedown weep hole of blocking flow control tube so that lower ball float rises.
4. early-stage rainwater part flow arrangement according to claim 3, is characterized in that: described upper floating ball is identical with the density of lower ball float, and the diameter of described upper floating ball is greater than the diameter of lower ball float.
5. early-stage rainwater part flow arrangement according to claim 4, it is characterized in that: described fixed bar is cross, the bar section of described connecting rod distance upper floating ball 5 ~ 10cm is solid, the described connecting rod bar section be positioned at below solid hopkinson bar section is that cross is hollow, cross hollow stem section can be slided along the cross part of fixed bar, without under flooded condition, the distance of described upper floating ball and perforated plate is 5 ~ 20cm, now, solid hopkinson bar paragraph forms described position limiting structure with spacing upper floating ball on the cross part of fixed bar, pre-filter layer and perforated plate energy dissipating is flowed through to make early-stage rainwater footpath, drain into diffluence room from weep hole after filtration.
6. early-stage rainwater part flow arrangement according to claim 5, is characterized in that: described pre-filter layer adopts sand, slag or slag.
7. early-stage rainwater part flow arrangement according to claim 6, is characterized in that: described overhead gage is funnel-form, and described weep hole is positioned at the bottom of overhead gage.
8. early-stage rainwater part flow arrangement according to claim 7, is characterized in that: the upper edge of described overhead gage and the distance of perforated plate are greater than 10cm.
9. the early-stage rainwater part flow arrangement according to any one of claim 1 ~ 8, is characterized in that: described early-stage rainwater part flow arrangement is buried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520141166.5U CN204530943U (en) | 2015-03-12 | 2015-03-12 | A kind of early-stage rainwater part flow arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520141166.5U CN204530943U (en) | 2015-03-12 | 2015-03-12 | A kind of early-stage rainwater part flow arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204530943U true CN204530943U (en) | 2015-08-05 |
Family
ID=53744969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520141166.5U Active CN204530943U (en) | 2015-03-12 | 2015-03-12 | A kind of early-stage rainwater part flow arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204530943U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089133A (en) * | 2015-08-28 | 2015-11-25 | 武汉圣禹排水系统有限公司 | Automatic hydraulic-control initial rainwater diverting device |
| CN105155667A (en) * | 2015-08-28 | 2015-12-16 | 武汉圣禹排水系统有限公司 | Initial rainwater separating mechanism capable of controlling hydraulic power automatically |
| CN106499043A (en) * | 2016-12-22 | 2017-03-15 | 江苏省科佳工程设计有限公司 | Drainage tank |
| CN106703305A (en) * | 2017-01-21 | 2017-05-24 | 广东省第建筑工程有限公司 | Mechanical floating ball split-flow device, rainwater collection system and roof cooling structure |
| CN106771039A (en) * | 2016-12-31 | 2017-05-31 | 郑州贯奥仪器仪表有限公司 | A kind of water quality testing meter |
| CN107165247A (en) * | 2017-06-05 | 2017-09-15 | 浙江中财管道衍生产品有限公司 | One kind can automatically reset early-stage rainwater stream abandoning device |
| CN107724512A (en) * | 2017-11-27 | 2018-02-23 | 北京星河园林景观工程有限公司 | A kind of inlet for stom water for automatically adjusting rainfall early-stage rainwater stream abandoning amount |
| CN108265811A (en) * | 2018-02-11 | 2018-07-10 | 西安紫云环保科技集团有限公司 | Unpowered rainwater-collecting processing unit |
| CN108842896A (en) * | 2018-07-19 | 2018-11-20 | 武汉市政工程设计研究院有限责任公司 | A kind of shunting with preprocessing function is regulated and stored type gutter inlet device |
| CN108894180A (en) * | 2018-06-29 | 2018-11-27 | 华北水利水电大学 | Mountain Area slope surface retains water-keeping device |
| CN111851707A (en) * | 2020-07-21 | 2020-10-30 | 国家电网有限公司 | Double inflow port convection type energy dissipation drop well under working condition of high fall and small pipe diameter |
| CN112160399A (en) * | 2020-09-17 | 2021-01-01 | 深圳市粤鹏建筑工程有限公司 | Sponge city large and small rainwater diversion and drainage device and construction method thereof |
| CN112973272A (en) * | 2021-02-09 | 2021-06-18 | 中国建筑第八工程局有限公司 | Rainwater sewage-intercepting and filtering system and filtering method |
-
2015
- 2015-03-12 CN CN201520141166.5U patent/CN204530943U/en active Active
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155667A (en) * | 2015-08-28 | 2015-12-16 | 武汉圣禹排水系统有限公司 | Initial rainwater separating mechanism capable of controlling hydraulic power automatically |
| CN105089133A (en) * | 2015-08-28 | 2015-11-25 | 武汉圣禹排水系统有限公司 | Automatic hydraulic-control initial rainwater diverting device |
| CN106499043A (en) * | 2016-12-22 | 2017-03-15 | 江苏省科佳工程设计有限公司 | Drainage tank |
| CN106771039A (en) * | 2016-12-31 | 2017-05-31 | 郑州贯奥仪器仪表有限公司 | A kind of water quality testing meter |
| CN106703305A (en) * | 2017-01-21 | 2017-05-24 | 广东省第建筑工程有限公司 | Mechanical floating ball split-flow device, rainwater collection system and roof cooling structure |
| CN107165247A (en) * | 2017-06-05 | 2017-09-15 | 浙江中财管道衍生产品有限公司 | One kind can automatically reset early-stage rainwater stream abandoning device |
| CN107724512B (en) * | 2017-11-27 | 2023-12-12 | 北京星河园林景观工程有限公司 | But inlet for stom water of automatic regulating rainfall initial stage rainwater abandon flow |
| CN107724512A (en) * | 2017-11-27 | 2018-02-23 | 北京星河园林景观工程有限公司 | A kind of inlet for stom water for automatically adjusting rainfall early-stage rainwater stream abandoning amount |
| CN108265811A (en) * | 2018-02-11 | 2018-07-10 | 西安紫云环保科技集团有限公司 | Unpowered rainwater-collecting processing unit |
| CN108894180A (en) * | 2018-06-29 | 2018-11-27 | 华北水利水电大学 | Mountain Area slope surface retains water-keeping device |
| CN108894180B (en) * | 2018-06-29 | 2020-07-31 | 华北水利水电大学 | Hilly area slope retaining and water retaining device |
| CN108842896A (en) * | 2018-07-19 | 2018-11-20 | 武汉市政工程设计研究院有限责任公司 | A kind of shunting with preprocessing function is regulated and stored type gutter inlet device |
| CN108842896B (en) * | 2018-07-19 | 2023-10-20 | 武汉市政工程设计研究院有限责任公司 | Shunting and regulating type gully device with pretreatment function |
| CN111851707B (en) * | 2020-07-21 | 2021-10-19 | 国家电网有限公司 | Double inflow port convection type energy dissipation drop well under working condition of high fall and small pipe diameter |
| CN111851707A (en) * | 2020-07-21 | 2020-10-30 | 国家电网有限公司 | Double inflow port convection type energy dissipation drop well under working condition of high fall and small pipe diameter |
| CN112160399A (en) * | 2020-09-17 | 2021-01-01 | 深圳市粤鹏建筑工程有限公司 | Sponge city large and small rainwater diversion and drainage device and construction method thereof |
| CN112973272A (en) * | 2021-02-09 | 2021-06-18 | 中国建筑第八工程局有限公司 | Rainwater sewage-intercepting and filtering system and filtering method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204530943U (en) | A kind of early-stage rainwater part flow arrangement | |
| CN108104247B (en) | Mixed flow non-concave biological detention pool with initial rainwater discarding function | |
| CN105544698A (en) | Separate system pipe network based area fragmented rainwater abandoned flow treatment system | |
| CN202017224U (en) | Distributional automatic rainwater flow abandoning device for roof | |
| CN210395091U (en) | Rainwater collecting and using system for elevated road | |
| CN205776702U (en) | Storage pond floating debris retaining system | |
| CN105804200B (en) | A kind of fragment shuts off online processing exhaust system | |
| AU2014263383A1 (en) | Rainwater discharge chamber capable of discharging rainwater and soil | |
| CN203334416U (en) | Multifunctional sewage intercepting device | |
| CN111535416B (en) | Sponge urban rainwater source control system and process based on delay adjustment technology | |
| CN103696458B (en) | Initial rainwater collection and offline treatment system | |
| CN105386508A (en) | Novel hydraulic automatic control initial rainwater discarding well | |
| CN104763037A (en) | Initial rainwater flow abandoning gutter inlet | |
| KR101879690B1 (en) | Purify non-motorized exclusion apparatus which removes a fixed quantity of early rainwater and guide store of rainwater | |
| CN207582227U (en) | A kind of improved road surface drainage device | |
| CN207959470U (en) | A kind of system including storage pond and online processing pond | |
| CN205387746U (en) | Liu jing is abandoned to accuracy | |
| CN206512842U (en) | The first rain storage pond of supernatant gravity-elution | |
| CN205637032U (en) | Burst regulation discharge system that dams | |
| CN205637033U (en) | Burst is abandoned to flow and is cut dirty discharge system | |
| CN108314137A (en) | A kind of height slot type greasy dirt floating collection system | |
| CN204530531U (en) | Road in scenic area direction board | |
| CN205776648U (en) | Rainwater division based on combined system pipe network discarding system | |
| CN208379736U (en) | Early-stage rainwater stream abandoning device | |
| CN207469412U (en) | A kind of control well device of combined system pollutant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200120 Address after: 510500 martyrs East Road, Guangdong, Guangzhou No. 121 Patentee after: Guangdong Construction Academy Group Plc Address before: 510500 martyrs East Road, Guangdong, Guangzhou No. 121 Co-patentee before: Guangdong Jian Ke energy-conserving and environment-protective Science and Technology Ltd. Patentee before: Guangdong Construction Academy Group Plc |
|
| TR01 | Transfer of patent right |