CN105544714A - Unpowered catch basin - Google Patents
Unpowered catch basin Download PDFInfo
- Publication number
- CN105544714A CN105544714A CN201610098873.XA CN201610098873A CN105544714A CN 105544714 A CN105544714 A CN 105544714A CN 201610098873 A CN201610098873 A CN 201610098873A CN 105544714 A CN105544714 A CN 105544714A
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- CN
- China
- Prior art keywords
- sidewall
- gate
- buoyancy tank
- unpowered
- abandoned stream
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/105—Accessories, e.g. flow regulators or cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
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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)
- Barrages (AREA)
Abstract
The invention discloses an unpowered catch basin. The unpowered catch basin comprises a basin body, wherein a rainwater and sewage confluence inlet pipe is arranged on a first side wall of the basin body, an outlet pipe communicated with a natural water body is arranged on a second side wall, and an split flow port connected with an split flow pipe is formed in the bottom of a third side wall. The unpowered catch basin is characterized in that a float ball cut-off device is arranged at the split flow port, a fixed weir is arranged in a downstream position of the split flow port in the basin body and close to an outlet pipe mouth, a float box type upstream control weir gate normally in a close state is arranged above the fixed weir, and the fixed weir extends upwards from the basin bottom to be in closed fit with the lower end of the float box type upstream control weir gate. According to the unpowered catch basin, control is performed through combination of the float ball cut-off device and the float box type upstream control weir gate, so that initial rain is intercepted to a sewage treatment plant, and late rainwater during heavy rainfall is drained to the natural water body in a large flow manner.
Description
Technical field
The present invention relates to drainage system, refer to a kind of unpowered catchpit particularly.
Background technology
After early-stage rainwater washes away air and earth's surface, carry a large amount of poisonous and harmful substances.Through investigation display: the poisonous and harmful substance of carrying in early-stage rainwater is more than sanitary sewage.If early-stage rainwater directly enters river, lake, contaminant water environment that can be serious, so, need process early-stage rainwater.At present, normally adopt simple catchpit system to dam to sewage conduct by first rain, deliver to Wastewater Treatment Plant and carry out purified treatment, and the rainwater pollution degree in rainfall later stage is comparatively light, directly can enter natural water, without the need to entering sewage conduct.Therefore, needing to develop one can dam to Wastewater Treatment Plant by first rain, and later stage rainwater is all discharged to the catchpit of natural water.
Publication number is that the Chinese utility model patent of CN104863249A discloses a kind of primary rainwater closure well, by overflow weir, pond body is divided into rainwater-collecting district and overflow area, but because height of weir plate is certain, too high will affect flow large time the later stage rainwater flow into overflow area, too low, cannot crown_interception be played, and the natural water water level to connect when overflow area higher than water level in catchpit time, the water of natural water cannot be avoided to pour in down a chimney and to enter in catchpit.
Summary of the invention
Object of the present invention is exactly the deficiency that will solve above-mentioned background technology, provides a kind of unpowered catchpit being all discharged to natural water to Wastewater Treatment Plant, later stage rainwater, preventing natural water from pouring in down a chimney that dammed by first rain.
Technical scheme of the present invention is: a kind of unpowered catchpit, comprise well body, described well body the first side wall is provided with confluence of rainwater and sewage water inlet pipe, second sidewall is provided with the outlet pipe be communicated with natural water, 3rd sidewall bottom offers the abandoned stream mouth connecting abandoned stream pipe, it is characterized in that, described abandoned stream mouth place is provided with ball float cut-off equipment, abandoned stream mouth downstream in described well body, fixed weir is provided with near outlet pipe mouth of pipe place, being provided with normality above described fixed weir is that the floating box type upstream closed controls weir gate, described fixed weir extends upwardly to from shaft bottom and controls weir gate lower end with floating box type upstream and be sealed and matched.
Preferably, described ball float cut-off equipment comprises the swivel plate be arranged on well body the 3rd sidewall, is hinged on by abandoned stream mouth side in the middle part of described swivel plate, and one end of described swivel plate is provided with ball float, the other end is the keying plate coordinated with abandoned stream mouth.
Further, well body the 3rd sidewall above described swivel plate is provided with the first gag lever post and the second gag lever post, and when opening and closing plate and being opened completely by abandoned stream mouth, described keying plate contacts with the first gag lever post, when opening and closing plate and being covered completely by abandoned stream mouth, described keying plate contacts with the second gag lever post.
Preferably, the height of described fixed weir is not higher than the height bottom abandoned stream mouth, and described floating box type upstream controls the height at top when weir gate is in closed condition and is not less than the height at outlet pipe top.
Preferably, described floating box type upstream controls weir gate and comprises the buoyancy tank room be located in well body and be located at well body the 3rd sidewall, axis of rotation between 4th sidewall, described buoyancy tank room is by the second sidewall, 3rd sidewall and two sides respectively with the first side wall, the buoyancy tank room sidewall that 4th sidewall is oppositely arranged is connected to form, the side that abandoned stream mouth is closed in described buoyancy tank room is provided with buoyancy tank room water inlet, the side bottom closing on outlet pipe is provided with the buoyancy tank room weep hole that bore is less than water inlet, described rotating shaft terminal is fixed with the buoyancy tank and both sides of the edge and buoyancy tank room sidewall that are positioned at buoyancy tank indoor respectively, the close-fitting gate of 4th sidewall, described buoyancy tank and gate are located on axis of rotation downstream.
Further, described buoyancy tank room water inlet height is not less than ball float bottom level when abandoned stream mouth covers by ball float cut-off equipment completely.
Further, described 4th sidewall, the buoyancy tank room sidewall relative with the 4th sidewall are equipped with sealing plate, described gate both sides are provided with L-type side seal bar, the described side seal bar side that wherein an arm and gate close on abandoned stream mouth is fitted and connected, and the bending of another arm upstream direction and end and sealing plate are connected.
Further, be provided with the L-type sealed bottom bar coordinated with fixed weir upper end bottom described gate, a described sealed bottom bar wherein arm and gate bottom surface is fitted and connected, another arm perpendicular to gate bottom surface to downward-extension.
Preferably, between described fixed weir and outlet pipe, shaft bottom is along downward-sloping inclined-plane, runner direction.
Further, described inclined-plane lowest part is concordant with at the bottom of outlet pipe pipe.
Beneficial effect of the present invention is:
1. the mode utilizing ball float cut-off equipment and floating box type upstream to control weir gate combination controls, and achieves just rain and retains to Wastewater Treatment Plant, and during heavy showers, rainwater large discharge is disposed to natural water the later stage.
2. the pollution effectively preventing early-stage rainwater directly to discharge and pollution load of overflow, structure is simple, and cost is low, and hydraulic automatism controls, and without the need to manual operation, dams safe and reliable.
3. have reverse-filling function, when the water level of natural water is higher than water level in catchpit, floating box type upstream controls weir gate and keeps closed condition, prevents the water of natural water from pouring in down a chimney and enters in catchpit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention (drought period effluent discharge state)
Fig. 2 is ball float cut-off equipment structural representation in Fig. 1
Fig. 3 is Fig. 1 top view
Fig. 4 is A place enlarged drawing in Fig. 3
Fig. 5 is structural representation of the present invention (rainfall emissions status)
Fig. 6 is axis of rotation, buoyancy tank, gate connection diagram
Fig. 7 is buoyancy tank indoor view
Fig. 8 is gate opening schematic diagram
Fig. 9 is closing gate schematic diagram
Wherein: 1. well body 2. confluence of rainwater and sewage water inlet pipe 3. outlet pipe 4. abandoned stream mouth 5. ball float cut-off equipment 6. fixed weir 7. floating box type upstream controls weir gate 8. sealing plate 9. side seal bar 10. sealed bottom bar 11. inclined-plane 12. abandoned stream pipe 51. swivel plate 52. ball float 53. and opens and closes water inlet 707. buoyancy tank room, sidewall 706. buoyancy tank room, buoyancy tank room, plate 54. hinge 55. first gag lever post 56. second gag lever post 57. support bar 701. axis of rotation 702. buoyancy tank 703. gate 704. buoyancy tank room 705 weep hole.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, unpowered catchpit of the present invention, comprise well body 1, well body 1 the first side wall is provided with confluence of rainwater and sewage water inlet pipe 2, second sidewall is provided with the outlet pipe 3 be communicated with natural water, 3rd sidewall bottom offers the abandoned stream mouth 4 connecting abandoned stream pipe 12, abandoned stream pipe 12 passes to Wastewater Treatment Plant, abandoned stream mouth 4 place is provided with ball float cut-off equipment 5, abandoned stream mouth downstream in well body, fixed weir 6 is provided with near outlet pipe mouth of pipe place, being provided with normality above fixed weir 6 is that the floating box type upstream closed controls weir gate 7, fixed weir 6 extends upwardly to from shaft bottom and controls weir gate 7 lower end with floating box type upstream and be sealed and matched when closing, fixed weir 6 overhead height is not higher than the height bottom abandoned stream mouth 4.Between fixed weir 6 and outlet pipe 3, shaft bottom is the inclined-plane 11 downward-sloping along runner direction, and inclined-plane 11 lowest part is concordant with at the bottom of outlet pipe 3 pipe.In the present embodiment, water (flow) direction is direction from left to right in Fig. 1.
As shown in Figure 2, ball float cut-off equipment 5 comprises the swivel plate 51 be arranged on well body 1 the 3rd sidewall, be hinged on by abandoned stream mouth 4 side by hinge 54 in the middle part of described swivel plate 51, one end of described swivel plate 51 is provided with ball float 52, the other end is the keying plate 53 coordinated with abandoned stream mouth 4.Well body 1 the 3rd sidewall above swivel plate 51 is provided with the first gag lever post 55 and the second gag lever post 56, the support bar 57 for being connected is provided with between first gag lever post 55 with the second gag lever post 56, when opening and closing plate 53 and abandoned stream mouth 4 being opened completely, described keying plate 53 contacts with the first gag lever post 55, when opening and closing plate 53 and being covered completely by abandoned stream mouth 4, described keying plate 53 contacts with the second gag lever post 56.Pin joint between swivel plate 51 and well body sidewall is in other top, abandoned stream mouth 4 side.First gag lever post 55 and the second gag lever post 56 make swivel plate 51 only can rotate in the scope that two gag lever posts limit around hinge, regulate accurately to the folding condition of abandoned stream mouth 4.
As shown in Fig. 3 and Fig. 6-7, floating box type upstream controls weir gate 7 and comprises and be located at buoyancy tank room in well body 704 and be located at well body 1 the 3rd sidewall, axis of rotation 701 between 4th sidewall, buoyancy tank room 704 is by the second sidewall, 3rd sidewall and two sides respectively with the first side wall, the buoyancy tank room sidewall 705 that 4th sidewall is oppositely arranged encloses and is connected to form, close on the side of abandoned stream mouth 4, buoyancy tank room sidewall 705 top relative with the first side wall is provided with a breach, this breach is buoyancy tank room water inlet 706, close on the side of outlet pipe 3, the buoyancy tank room weep hole 707 that bore is less than water inlet 706 is provided with bottom the buoyancy tank room sidewall 705 relative with the 4th sidewall, buoyancy tank room weep hole 707 is provided with flap valve, flap valve makes current in buoyancy tank room 704 outwards discharge, can not enter from buoyancy tank room weep hole 707.Axis of rotation 701 two ends are fixed with the buoyancy tank 702 that is positioned at buoyancy tank room 704 and both sides of the edge and the 4th sidewall, buoyancy tank room sidewall 705, close-fitting gate 703 that the 4th sidewall is relative respectively, and buoyancy tank 702 and gate 703 are located on axis of rotation 701 downstream.The water inlet height of water level of buoyancy tank room water inlet 706 is that floating box type upstream controls weir gate unlatching height of water level, i.e. warning line, when weir gate upper pond level arrives warning line, current pour into rapidly buoyancy tank room 704, buoyancy tank 702 floats and drives gate 703 to rotate unlatching, when upper pond level is lower than warning line, no longer includes water and enters buoyancy tank room 704, current are discharged from buoyancy tank room weep hole 707, and buoyancy tank 702 sinks to driving gate 703 to rotate closedown.Buoyancy tank room water inlet 706 is highly not less than and opens and closes plate 53 ball float 52 bottom level when being covered completely by abandoned stream mouth 4, and when floating box type upstream control weir gate 7 is in closed condition, gate 703 is risen and is not less than outlet pipe 3 and rises.The first side wall in the present embodiment, the second sidewall, the 3rd sidewall, the 4th sidewall to be respectively in Fig. 3 about well body four sides sidewall up and down.
As shown in Figure 4, buoyancy tank room sidewall 705, four sidewall relative with the 4th sidewall is equipped with sealing plate 8, gate 703 both sides are provided with L-type side seal bar 9, side seal bar 9 side that wherein an arm and gate 703 close on abandoned stream mouth 4 is fitted and connected, another arm upstream direction bends and end and sealing plate 8 are connected, it is concordant with gate 703 upper and lower side that side seal bar 9 is fitted in gate 703 side, and sealing plate 8 covers corresponding region when gate 703 is closed.Side seal bar 9 and sealing plate 8 are elastomeric material, make gate 703 in off position with buoyancy tank room sidewall the 705, the 4th sidewall tight seal of both sides.
Be provided with the L-type sealed bottom bar 10 coordinated with fixed weir 6 upper end bottom gate 703, a L-type sealed bottom bar 10 wherein arm and gate 703 bottom surface is fitted and connected, another arm perpendicular to gate 703 bottom surface to downward-extension.When gate 703 is in closed condition, the arm that sealed bottom bar 10 is wherein fitted with gate 703 bottom surface and fixed weir 6 upper surface seal fits, the side seal in another arm and fixed weir 6 downstream is fitted, when fixed weir 6 downstream liquid level is to sealed bottom bar 10, sealed bottom bar 10 and an arm of fixed weir 6 side-fit are tightly fitted fixed weir 6 side by hydraulic pressure, better tightness.
Operating principle of the present invention is:
During dry season, as shown in Figure 1, floating box type upstream controls weir gate 7 and is in closed condition, when the contiguous one end opening and closing plate 53 of ball float cut-off equipment 5 gag lever post 55 contacts spacing with swivel plate 51, be in full-gear, when the liquid level in catchpit well body raises, the ball float 52 driven rotary plate 51 () that floats rotates in Fig. 1 counterclockwise, ball float cut-off equipment 5 aperture is less, and now sewage is directly dammed to abandoned stream pipe 12 and flows to Wastewater Treatment Plant.
When heavy showers occurs, in catchpit well, water level rises, and as shown in Figure 5, ball float cut-off equipment 5 opens and closes plate 53 and overlaps with abandoned stream mouth 4 until abandoned stream mouth 4 is closed gradually, and the liquid level of catchpit continues to rise.So far floating box type upstream controls weir gate 7 and is in closed condition always, when the water level of well body 2 constantly rises to the water inlet water level (warning line) of buoyancy tank room water inlet 706, current pour into rapidly buoyancy tank room 704, buoyancy tank 702 floats and drives gate 703 to rotate unlatching, as shown in Figure 8, later stage rainwater enters natural water by outlet pipe 3.The inclined-plane 11 in fixed weir 6 downstream makes the rainwater of whole well body 1 drain noresidue.When rainfall terminates, in catchpit well body 1, water level declines gradually, and ball float cut-off equipment 5 is slowly opened; In buoyancy tank room 704, water slowly flows out from weep hole 707, drives gate 703 to close after buoyancy tank 702 sinks, and floating box type upstream controls weir gate 7 and closes reset, as shown in Figure 9.
When the rising of natural water liquid level is poured in down a chimney to catchpit, downstream peak level can not exceed rising of outlet pipe 3, the height at outlet pipe 3 top is not less than, so the lower generation that can prevent pouring in down a chimney in off position because floating box type upstream controls the height at top when weir gate 7 is in closed condition.
Claims (10)
1. a unpowered catchpit, comprise well body (1), described well body (1) the first side wall is provided with confluence of rainwater and sewage water inlet pipe (2), second sidewall is provided with the outlet pipe (3) be communicated with natural water, 3rd sidewall bottom offers the abandoned stream mouth (4) connecting abandoned stream pipe, it is characterized in that, described abandoned stream mouth (4) place is provided with ball float cut-off equipment (5), abandoned stream mouth downstream in described well body, fixed weir (6) is provided with near outlet pipe mouth of pipe place, it is that the floating box type upstream closed controls weir gate (7) that described fixed weir (6) top is provided with normality, described fixed weir (6) extends upwardly to from shaft bottom and controls weir gate (7) lower end with floating box type upstream and be sealed and matched.
2. unpowered catchpit as claimed in claim 1, it is characterized in that, described ball float cut-off equipment (5) comprises the swivel plate (51) be arranged on well body the 3rd sidewall, described swivel plate (51) middle part is hinged on by abandoned stream mouth (4) side, and one end of described swivel plate (51) is provided with ball float (52), the other end is the keying plate (53) coordinated with abandoned stream mouth.
3. unpowered catchpit as claimed in claim 2, it is characterized in that, well body the 3rd sidewall of described swivel plate (51) top is provided with the first gag lever post (55) and the second gag lever post (56), when opening and closing plate (53) and abandoned stream mouth being opened completely, described keying plate (53) contacts with the first gag lever post (55), when opening and closing plate (53) and being covered completely by abandoned stream mouth, described keying plate (53) contacts with the second gag lever post (56).
4. unpowered catchpit as claimed in claim 1, it is characterized in that, the height of described fixed weir (6) is not higher than the height of abandoned stream mouth (4) bottom, and described floating box type upstream controls the height at top when weir gate (7) is in closed condition and is not less than the height at outlet pipe (3) top.
5. unpowered catchpit as claimed in claim 1, it is characterized in that, described floating box type upstream controls weir gate (7) and comprises the buoyancy tank room (704) be located in well body and be located at well body (1) the 3rd sidewall, axis of rotation (701) between 4th sidewall, described buoyancy tank room (704) is by the second sidewall, 3rd sidewall and two sides respectively with the first side wall, buoyancy tank room sidewall (705) that 4th sidewall is oppositely arranged is connected to form, the side that described buoyancy tank room (704) closes on abandoned stream mouth (4) is provided with buoyancy tank room water inlet (706), the side bottom closing on outlet pipe (3) is provided with buoyancy tank room weep hole (707) that bore is less than water inlet (706), described axis of rotation (701) two ends are fixed with the buoyancy tank (702) and both sides of the edge and buoyancy tank room sidewall (705) that are positioned at buoyancy tank room (704) respectively, the close-fitting gate of 4th sidewall (703), described buoyancy tank (702) and gate (703) are located on axis of rotation (701) downstream.
6. unpowered catchpit as claimed in claim 5, is characterized in that, described buoyancy tank room water inlet (706) is highly not less than ball float bottom level when abandoned stream mouth (4) covers by ball float cut-off equipment (5) completely.
7. unpowered catchpit as claimed in claim 5, it is characterized in that, described 4th sidewall, buoyancy tank room sidewall (705) relative with the 4th sidewall are equipped with sealing plate (8), described gate (703) both sides are provided with L-type side seal bar (9), described side seal bar (9) side that wherein an arm and gate (703) close on abandoned stream mouth (4) is fitted and connected, and the bending of another arm upstream direction and end and sealing plate (8) are connected.
8. unpowered catchpit as claimed in claim 5, it is characterized in that, described gate (703) bottom is provided with the L-type sealed bottom bar (10) coordinated with fixed weir (6) upper end, described sealed bottom bar (10) wherein arm and gate (703) bottom surface is fitted and connected, another arm perpendicular to gate (703) bottom surface to downward-extension.
9. unpowered catchpit as claimed in claim 1, is characterized in that, between described fixed weir (6) and outlet pipe (3), shaft bottom is the inclined-plane (11) downward-sloping along runner direction.
10. unpowered catchpit as claimed in claim 9, is characterized in that, described inclined-plane (11) lowest part is concordant with at the bottom of outlet pipe (3) pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098873.XA CN105544714B (en) | 2016-02-23 | 2016-02-23 | A kind of unpowered Vatch basin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098873.XA CN105544714B (en) | 2016-02-23 | 2016-02-23 | A kind of unpowered Vatch basin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105544714A true CN105544714A (en) | 2016-05-04 |
| CN105544714B CN105544714B (en) | 2017-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610098873.XA Active CN105544714B (en) | 2016-02-23 | 2016-02-23 | A kind of unpowered Vatch basin |
Country Status (1)
| Country | Link |
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| CN (1) | CN105544714B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988400A (en) * | 2017-04-26 | 2017-07-28 | 厦门水务集团有限公司 | It is a kind of keep off it is damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system and method |
| CN108677898A (en) * | 2018-06-26 | 2018-10-19 | 安徽省农业科学院农业工程研究所 | Full-automatic intelligent water control field irrigation sluice control system |
| CN112359947A (en) * | 2020-11-19 | 2021-02-12 | 江苏海绵城市技术研究院有限公司 | Shutter type abandoning and distributing well |
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| JP2003082747A (en) * | 2001-09-14 | 2003-03-19 | Aron Kasei Co Ltd | Rain water infiltration system |
| WO2006013634A1 (en) * | 2004-08-02 | 2006-02-09 | Tokyo Metropolitan Government | Vortex flow type water surface control device for drainage system |
| CN202000394U (en) * | 2011-03-21 | 2011-10-05 | 中国农业科学院农田灌溉研究所 | Initial rain flow removing device |
| CN103850328A (en) * | 2014-02-21 | 2014-06-11 | 武汉圣禹排水系统有限公司 | Hydraulic self control flow converging pipe network flow cut-off control well |
| CN104110013A (en) * | 2014-06-27 | 2014-10-22 | 武汉圣禹排水系统有限公司 | Buoyancy-tank type upstream control weir gate |
| CN205475659U (en) * | 2016-02-23 | 2016-08-17 | 武汉圣禹排水系统有限公司 | Unpowered vatch basin |
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2016
- 2016-02-23 CN CN201610098873.XA patent/CN105544714B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003082747A (en) * | 2001-09-14 | 2003-03-19 | Aron Kasei Co Ltd | Rain water infiltration system |
| WO2006013634A1 (en) * | 2004-08-02 | 2006-02-09 | Tokyo Metropolitan Government | Vortex flow type water surface control device for drainage system |
| CN202000394U (en) * | 2011-03-21 | 2011-10-05 | 中国农业科学院农田灌溉研究所 | Initial rain flow removing device |
| CN103850328A (en) * | 2014-02-21 | 2014-06-11 | 武汉圣禹排水系统有限公司 | Hydraulic self control flow converging pipe network flow cut-off control well |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988400A (en) * | 2017-04-26 | 2017-07-28 | 厦门水务集团有限公司 | It is a kind of keep off it is damp, anti-blocking, maintenance it is convenient, can sand washing desilting hondo formula closure works system and method |
| CN108677898A (en) * | 2018-06-26 | 2018-10-19 | 安徽省农业科学院农业工程研究所 | Full-automatic intelligent water control field irrigation sluice control system |
| CN112359947A (en) * | 2020-11-19 | 2021-02-12 | 江苏海绵城市技术研究院有限公司 | Shutter type abandoning and distributing well |
| CN112359947B (en) * | 2020-11-19 | 2022-04-15 | 江苏海绵城市技术研究院有限公司 | Shutter type abandoning and distributing well |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105544714B (en) | 2017-11-21 |
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Address after: No. 509 Weihu Road, Shamao Street, Hannan District, Wuhan City, Hubei Province, 430090 Patentee after: Wuhan Shengyu Smart Ecological Environmental Protection Co.,Ltd. Address before: 430056 zhuanyang science and Technology Industrial Park, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province Patentee before: WUHAN SHENGYU DRAINAGE SYSTEM Co.,Ltd. |
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