CN217975089U - Hydraulic control assembly and flexible cut-off device control system - Google Patents
Hydraulic control assembly and flexible cut-off device control system Download PDFInfo
- Publication number
- CN217975089U CN217975089U CN202220688614.3U CN202220688614U CN217975089U CN 217975089 U CN217975089 U CN 217975089U CN 202220688614 U CN202220688614 U CN 202220688614U CN 217975089 U CN217975089 U CN 217975089U
- Authority
- CN
- China
- Prior art keywords
- water
- pressure
- rainwater
- pipe
- control assembly
- 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
Images
Landscapes
- Fluid-Driven Valves (AREA)
Abstract
The utility model discloses a water pressure control assembly uses and is used for controlling it to open or close at flexible cut-off equipment, and flexible cut-off equipment has the pressure chamber of holding, closes on flexible cut-off equipment's building and is provided with the rainwater riser outward. The hydraulic control assembly includes: the flow dividing piece is arranged on the rainwater vertical pipe, so that the rainwater vertical pipe is provided with a first water outlet and a second water outlet; one end of the water inlet pipe is communicated with a first water outlet of the rainwater vertical pipe, and the other end of the water inlet pipe is communicated with a water inlet of the pressure storage cavity; the water discharge pipe is communicated with the water discharge port of the pressure storage cavity; the setting height of the flow dividing piece is the height of water pressure required when the pressure accumulation cavity is closed, and the water inlet flow of the pressure accumulation cavity is larger than the water drainage flow of the pressure accumulation cavity. In the process of accumulating rainwater in the pressure accumulation cavity, the pressure accumulation cavity presents a closing trend and is completely closed when the water pressure reaches a set value; fully open when the accumulated rain water in the pressure accumulation chamber is drained.
Description
Technical Field
The utility model relates to a drainage field, in particular to water pressure control subassembly and flexible cut-off equipment control system.
Background
In the drainage field, the intercepting equipment is applied to the diversion well, and the effect is that the first rain on the earth's surface is intercepted when raining, so that the first rain is discharged into the municipal sewage pipeline, and therefore the intercepting equipment is usually driven only when raining.
The flexible cut-off device is used as one of cut-off equipment, has simple structure and can realize the cut-off function when the pressure accumulation cavity is closed. The surface of the pressure accumulation cavity is smooth or can be directly attached to a pipeline which is cut off, so that the blockage caused by winding of garbage in water can be avoided in the process of switching the state of the pressure accumulation cavity. The flexible cut-off device adopts pneumatic drive, is safer compared with electric drive, and is more environment-friendly compared with hydraulic drive. The flexible cut-off device has the advantages and is widely popularized, and is particularly suitable for urban sewage disposal and distribution systems.
The sewage disposal and flow distribution scheme which reduces the equipment cost and the equipment floor area and is more environment-friendly is the direction which is always explored in the drainage field.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is anticipated that a new solution is provided to reduce equipment cost, reduce equipment area, the effect of the flexible cut-off equipment of utilization comes performance of bigger degree current resource.
A first aspect of the present invention provides a hydraulic control assembly to maximize the utilization of existing resources to control the opening and closing of a flexible stop.
The water pressure control assembly is applied to a flexible cut-off device and used for controlling the cut-off device to be opened or closed, the flexible cut-off device is provided with a pressure storage cavity, and a rainwater vertical pipe is arranged outside a building close to the flexible cut-off device. Specifically, the hydraulic control assembly includes: the flow dividing piece is arranged on the rainwater vertical pipe, and enables the rainwater vertical pipe to be provided with a first water outlet and a second water outlet; one end of the water inlet pipe is communicated with the first water outlet, and the other end of the water inlet pipe is communicated with the water inlet of the pressure storage cavity; the water outlet pipe is communicated with the water outlet of the pressure storage cavity; the setting height of the flow dividing piece is the height of water pressure required when the pressure storage cavity is closed; the water inlet flow of the pressure accumulation cavity is larger than the water discharge flow of the pressure accumulation cavity. When the water pressure on a passage where the first water outlet of the control assembly is located reaches a set value, the pressure storage cavity is closed; and when accumulated water in the pressure storage cavity is emptied, the pressure storage cavity is opened.
According to the water pressure control assembly, the rainwater vertical pipe is provided with the first water outlet and the second water outlet through the flow dividing piece, and the first water outlet of the rainwater vertical pipe is communicated with the pressure accumulation cavity of the flexible cut-off device through the water inlet pipe. When the rainwater on the top surface of a building flows through the rainwater vertical pipe in the rainfall process, under the flow dividing function of the flow dividing piece, a part of the rainwater flows into the pressure accumulation cavity of the flexible cut-off device through the first water outlet and the water inlet pipe, and the driving force is provided for closing the pressure accumulation cavity; and a part of rainwater can flow out through the second water outlet, so that the original functions of the rainwater vertical pipe are kept. Under certain other conditions, the larger the setting height of the flow dividing member is, the larger the effective water column pressure formed in the control assembly is, and the larger the effective water column pressure is, the larger the driving force provided for the pressure accumulation cavity is, that is, as can be known by those skilled in the art, the setting height of the flow dividing member in the scheme is suitable for realizing the water pressure required when the pressure accumulation cavity is closed. Because the driving of the flexible cut-off equipment is usually only carried out when raining, and the existing building has a certain height and is provided with the rainwater vertical pipe, the rainwater collected by the rainwater vertical pipe is used for driving the flexible cut-off equipment to utilize the existing resources to the maximum extent, the flexible cut-off equipment does not need to be provided with a gas station to provide driving force any more, the safety risk is reduced, and the occupied area required by the gas station is also saved. The flexible cut-off device needs to be restored to the original state to open the cut-off channel after the cut-off of the primary rain on the ground surface is completed. The flexible cut-off device is provided with a water outlet, water is drained while the pressure accumulation cavity stores water, and the water inlet flow of the water inlet of the pressure accumulation cavity is larger than the drainage flow of the water outlet of the pressure accumulation cavity, so that the pressure accumulation cavity can be automatically closed in the rainfall process, continuous rainwater is not obtained, and the pressure accumulation cavity is automatically opened after the rainwater accumulated in the pressure accumulation cavity is drained.
Preferably, the pipe diameter of the water inlet pipe is smaller than that of the rainwater stand pipe. Because the driving force for driving the pressure storage cavity is closest to the height of the position of the flow dividing piece, under the condition of certain other conditions, the pipe diameter of the water inlet pipe is small, the smaller the rainwater quantity stored in the water inlet pipe is, and the effective water column pressure is easier to form by the control assembly.
Preferably, the control assembly further comprises a control valve disposed in the drain pipe, and the control valve is configured to control a drain flow rate of the pressure accumulation chamber. In the preferable scheme, the control valve is additionally arranged to adjust the opening degree of the drain pipe, namely the proportion of the water inlet flow and the water discharge flow of the pressure accumulation cavity can be adjusted, so that the pressure accumulation cavity can store water in the closing process, and the water storage can be emptied in the opening process.
Optionally, the control valve is a manual valve. In this alternative scheme, when the control assembly and the flexible cut-off device are installed and implemented, the opening degree of the drain pipe of the pressure storage cavity can be debugged in advance according to the implementation conditions and environments in the field so as to adjust the drain flow rate of the pressure storage cavity. The manual valve is adopted to control the drainage flow, and the unpowered self-running mode of the flexible cut-off device can be realized.
Optionally, the control valve is a solenoid valve. The electromagnetic valve can control the opening of the drain pipe and can control the drainage time of the pressure storage cavity more accurately. For example: in the early stage of rainfall, rainwater needs to be accumulated, and effective water column pressure required by driving the pressure accumulation cavity is accumulated so as to drive the pressure accumulation cavity to realize a closing function. When the electromagnetic valve receives the state switching signal, the water outlet of the pressure storage cavity can be switched to the state, so that the time for storing rainwater and emptying the rainwater in the pressure storage cavity can be controlled more accurately.
Optionally, the electromagnetic valve adopts a power supply mode of storage battery or/and solar energy. The solenoid valve is a low-function electronic element, and the solenoid valve can be powered by a storage battery or solar energy in the scheme, so that the micropower control effect is effectively realized.
Preferably, the flow dividing member is a three-way pipe, and the three-way pipe is arranged on the rainwater stand pipe in a cut-off manner. The shunt may be a three-way tube device as is well known to those of ordinary skill. A person skilled in the art sets a flow dividing piece at a proper position of the rainwater vertical pipe according to the pressure required by the flexible cut-off device when the flexible cut-off device is closed, the original rainwater vertical pipe is cut off and is reconnected through a three-way pipe, one path of water outlet is added to the original rainwater vertical pipe, and the added path of water outlet provides water column pressure for the flexible cut-off device.
Preferably, the shunt member is a box-shaped body providing a three-way function, the box-shaped body is arranged on the rainwater stand pipe in a block manner, and two ways of the box-shaped body are parallel to the bottom end of the box-shaped body. The flow dividing piece can also be a customized box-shaped body, the box-shaped body has a three-way function, and the two-way function is parallel to the bottom end of the box-shaped body to divide the original rainwater vertical pipe into two water outlets.
Optionally, a partition plate is transversely arranged in the box-shaped body, and the partition plate is covered on the second water outlet of the rainwater vertical pipe. The partition board is shielded above the second water outlet, so that rainwater flowing into the rainwater stand pipe can preferentially enter the first water outlet of the rainwater stand pipe to reach the pressure storage cavity of the flexible cut-off device.
A second aspect of the invention provides a flexible cut-off control system.
A flexible stop control system comprising:
a hydraulic control assembly, as described in the first aspect; the flexible cut-off device comprises a pressure accumulation cavity, the pressure accumulation cavity is provided with a water inlet and a water outlet, the water inlet is positioned at the upper end of the longitudinal direction of the pressure accumulation cavity, and the water outlet is positioned at the lower end of the longitudinal direction of the pressure accumulation cavity; the flexible cut-off device realizes the opening and closing of the pressure storage cavity through the water pressure control assembly; in the process that the first water outlet, the water inlet pipe and the pressure accumulation cavity of the rainwater vertical pipe accumulate rainwater in sequence, the pressure accumulation cavity presents a closing trend and is completely closed when the water pressure reaches a set value; in the process of draining the pressure accumulation cavity, the pressure accumulation cavity presents an opening trend and is completely opened when the accumulated rainwater is drained.
The utility model provides an effectual current resource that has utilized of flexible cut-off equipment control system cancels the gas station and realizes unpowered or little power drive as drive power, compares prior art and has practiced thrift control system's equipment cost, has reduced safe risk, has reduced control system's area.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1, a first embodiment of a flexible cut-off control system;
fig. 2 shows a second embodiment of a flexible cut-off device control system.
Reference numerals:
building 1, rainwater riser 11;
a flow divider 2, a first water outlet 21, a second water outlet 22,
a water inlet pipe 3;
a drain 4, a control valve 41;
a flexible cut-off means 5.
Detailed Description
The "flexible shut-off device" in this application is a device having elastic deformation, and the opening and closing of the passage is generally achieved by elastic deformation of a rubber member.
The pressure storage cavity is an accommodating cavity which is provided for driving the power required by elastic deformation of the rubber piece. For example: the flexible cut-off device consists of a metal outer cylinder and a rubber part attached in the metal outer cylinder, and a pressure accumulation cavity can be formed between the metal outer cylinder and the rubber part; another example is: the flexible cut-off device is integrally formed by a rubber piece with a double-layer structure, and a pressure storage cavity can be formed between layers of the rubber piece; another example is: the rubber part is directly attached and fixed in the pipeline, and a pressure storage cavity can be formed between the rubber part and the pipeline; this application is not restricted, as long as can provide do the required power of flexible cut-off equipment elastic deformation hold the chamber all the utility model discloses a protection within range. The closing of the pressure accumulation cavity means that the intercepted channel is closed after the pressure accumulation cavity is deformed, and the opening of the pressure accumulation cavity means that the intercepted channel is opened after the pressure accumulation cavity is restored.
The term "diverter" in this application includes but is not limited to a tee or a box with a tee function, and it is within the scope of the present application that one skilled in the art can implement a rainwater riser having two outlet paths.
In modern buildings, storm risers are usually installed for collecting and draining storm water from the building during rainfall events. In the application, "rainwater stand pipe" can be "rainwater stand pipe" that the existing building already has, also can the technical staff in the art for cooperating the flexible cut-off equipment function realization and set up "rainwater stand pipe" substitute beside the building.
"tee" in this application is a tee known to those of ordinary skill, including but not limited to T-tees, Y-tees, L-tees.
The terms "longitudinal," "lateral," "up," "down," and similar directional references in this application are for illustrative purposes only and are not intended to limit the invention.
The terms "first" and "second" in this application do not denote any order or importance, but rather are used to distinguish one element from another having the same or similar functional attributes.
The "hydraulic control assembly" in this document forms part of a "flexible cut-off control system".
The technical solution of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present specification, and the flexible cut-off device control system is taken as an object, and it is obvious that the described embodiments are only preferred embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present specification belong to the protection scope of the present invention.
Example one
As shown in fig. 1, the flexible cut-off control system will make use of a storm water riser 11 provided in the building 1. The splitter 2 is arranged at a certain height from the ground level of the storm water riser, in this embodiment the splitter 2 is a tee. The splitter 2 increases one-way rainwater outlet of the original rainwater vertical pipe to two-way rainwater outlets, which are a first water outlet 21 and a second water outlet 22. The first water outlet 21 is communicated with the water inlet of the flexible cut-off device 5 through the water inlet pipe 3. During rainfall, rainwater on the building can flow through the rainwater stand pipe 11 through the first water outlet 21 into the pressure storage chamber of the flexible cut-off device 5. The flexible cut-off device 5 is also provided with a water outlet, and the drain pipe 41 is communicated with the water outlet of the flexible cut-off device, so that rainwater accumulated in the pressure accumulation cavity can be discharged through the drain pipe 41. Usually, the water inlet of the flexible cut-off device is arranged at the upper end of the longitudinal direction of the flexible cut-off device, and the water outlet is arranged at the lower end of the longitudinal direction of the flexible cut-off device, so that rainwater can be accumulated and drained in the pressure accumulation cavity.
The pressure required by opening and closing of the flexible cut-off devices with different specifications can be different, and the heights of the flow dividing pieces arranged on the rainwater vertical pipes can be different. The height selected by the person skilled in the art for setting the flow dividing piece on the rainwater vertical pipe is related to the pressure required when the flexible cut-off device is completely closed, and the selected height can meet the requirement that the flexible cut-off device can be closed by the accumulated water pressure of the passage where the first water outlet is located, and the application does not limit the height.
The flexible cut-off device in the embodiment can automatically complete the opening and closing functions depending on rainfall conditions. The inflow flow of the pressure accumulation cavity is larger than the drainage flow of the pressure accumulation cavity, so that rainwater can be accumulated in the pressure accumulation cavity in the rainfall process, and the pressure of a water column from the flow dividing piece to the pressure accumulation cavity section is enough to drive the pressure accumulation cavity to be closed. When the pressure accumulation chamber is not continuously intaking, the pressure accumulation chamber only drains water to make the pressure accumulation chamber restore to the original state, resume to the open mode.
In the first embodiment, the water inlet flow rate of the pressure accumulation cavity is greater than the water discharge flow rate of the pressure accumulation cavity, and various implementation forms can be provided, such as: the caliber of the water outlet of the pressure storage cavity is smaller than that of the water inlet; another example is: the control valve is added on the water discharge pipe and adjusts the opening degree of the water discharge pipe, so that the water discharge flow of the pressure storage cavity is smaller than the water inlet flow.
In the first embodiment, the control valve may be a manual valve. When the flexible cut-off equipment control system is installed and implemented, the opening degree of a drain pipe of the pressure storage cavity is debugged in advance according to the implementation conditions and the environment on site so as to adjust the drainage flow of the pressure storage cavity, and the drainage flow and the inflow flow are in a proper proportion. The manual valve is adopted to control the drainage flow, and the unpowered self-running mode of the flexible cut-off device can be realized.
In the first embodiment, the control valve may be a solenoid valve. The electromagnetic valve can control the opening of the drain pipe and can control the drainage time of the pressure storage cavity more accurately. For example: in the early stage of rainfall, rainwater needs to be accumulated, and effective water column pressure required by driving the pressure accumulation cavity is accumulated so as to drive the pressure accumulation cavity to realize a closing function. When the electromagnetic valve receives the state switching signal, the water outlet of the pressure storage cavity can be switched to the state, so that the time for storing rainwater and emptying the rainwater in the pressure storage cavity can be controlled more accurately. The solenoid valve is a low-function electronic element, and the solenoid valve can be powered by a storage battery or solar energy in the scheme, so that the micropower control effect is effectively realized.
Carry out two
As shown in fig. 2, the flexible cut-off control system will make use of a storm water riser 11 provided in the building 1. The splitter 2 is arranged at a certain height from the ground level of the storm water riser, in this embodiment the splitter 2 is a box-like body providing a three-way function. The box-shaped body is arranged on the rainwater vertical pipe in a cutting mode, and the two ways of the box-shaped body are parallel to the bottom end of the box-shaped body. The two-way pipe is parallel to the bottom end of the box-shaped body and divides the original vertical rainwater pipe into two water outlets. The splitter 2 increases one-way rainwater outlet of the original rainwater vertical pipe to two-way rainwater outlets, which are a first water outlet 21 and a second water outlet 22. The first water outlet 21 is communicated with the water inlet of the flexible cut-off device 5 through the water inlet pipe 3. During rainfall, rainwater on the building can flow through the rainwater stand pipe 11 and the first water outlet 21 into the pressure storage chamber of the flexible cut-off device 5. The flexible cut-off device 5 is also provided with a water outlet, and the drain pipe 41 is communicated with the water outlet of the flexible cut-off device, so that rainwater accumulated in the pressure accumulation cavity can be discharged through the drain pipe 41. Usually, the water inlet of the flexible cut-off device is arranged at the upper end of the longitudinal direction of the flexible cut-off device, and the water outlet is arranged at the lower end of the longitudinal direction of the flexible cut-off device, so that rainwater can be accumulated and drained in the pressure accumulation cavity.
In the second embodiment, preferably, a partition board is transversely arranged in the box-shaped body, and the partition board is shielded above the second water outlet of the rainwater vertical pipe. The partition board is shielded above the second water outlet, so that rainwater flowing into the rainwater stand pipe can preferentially enter the first water outlet of the rainwater stand pipe to reach the pressure storage cavity of the flexible cut-off device.
Similar to the first embodiment, in the second embodiment, the inflow rate of the pressure accumulation chamber is greater than the drainage rate of the pressure accumulation chamber, and various implementation forms can be provided, for example: the caliber of the water outlet of the pressure storage cavity is smaller than that of the water inlet; another example is: the control valve is added on the water discharge pipe and adjusts the opening degree of the water discharge pipe, so that the water discharge flow of the pressure storage cavity is smaller than the water inlet flow.
Similarly to the first embodiment, in the second embodiment, the control valve may be a manual valve or a solenoid valve.
The utility model provides an effectual current resource that has utilized of flexible cut-off equipment control system cancels the gas station and as driving power, realizes unpowered or little power drive, compares prior art's the equipment cost who has practiced thrift control system, has reduced control system's area.
Claims (10)
1. Water pressure control assembly uses flexible cut-off equipment to be used for controlling it to open or close, flexible cut-off equipment has the pressure storage chamber, closes on flexible cut-off equipment's building is provided with the rainwater riser outward, its characterized in that, water pressure control assembly includes:
the flow dividing piece is arranged on the rainwater vertical pipe, and enables the rainwater vertical pipe to be provided with a first water outlet and a second water outlet;
one end of the water inlet pipe is communicated with the first water outlet, and the other end of the water inlet pipe is communicated with the water inlet of the pressure storage cavity;
the water outlet pipe is communicated with the water outlet of the pressure storage cavity;
the setting height of the flow dividing piece is the height of water pressure required when the pressure storage cavity is closed; the water inlet flow of the pressure storage cavity is larger than the water drainage flow of the pressure storage cavity.
2. The hydraulic control assembly as recited in claim 1 wherein: the pipe diameter of the water inlet pipe is smaller than that of the rainwater stand pipe.
3. The hydraulic control assembly as recited in claim 1 wherein: the control assembly further comprises a control valve arranged on the water discharge pipe, and the control valve is used for controlling the water discharge flow of the pressure storage cavity.
4. The hydraulic control assembly as recited in claim 3 wherein: the control valve is a manual valve.
5. The hydraulic control assembly as recited in claim 3 wherein: the control valve is an electromagnetic valve.
6. The hydraulic control assembly as recited in claim 5 wherein: the power supply mode that the solenoid valve adopted is battery or/and solar energy.
7. The hydraulic control assembly as recited in claim 1 wherein: the flow dividing piece is a three-way pipe, and the three-way pipe is arranged on the rainwater vertical pipe in a cut-off mode.
8. The hydraulic control assembly as recited in claim 1 wherein: the shunt part is a box-shaped body with a three-way function, the box-shaped body is arranged on the rainwater stand pipe in a cut-off mode, and two ways of the box-shaped body are parallel to the bottom end of the box-shaped body.
9. The hydraulic control assembly as recited in claim 8 wherein: the box-shaped body is internally and transversely provided with a clapboard which is sheltered above the second water outlet of the rainwater vertical pipe.
10. A flexible cut-off device control system, comprising:
a hydraulic control assembly as claimed in any one of claims 1 to 9;
the flexible cut-off device comprises a pressure accumulation cavity, the pressure accumulation cavity is provided with a water inlet and a water outlet, the water inlet is positioned at the upper end of the longitudinal direction of the pressure accumulation cavity, and the water outlet is positioned at the lower end of the longitudinal direction of the pressure accumulation cavity;
the flexible cut-off device realizes the opening and closing of the pressure storage cavity through the water pressure control assembly; in the process that the first water outlet, the water inlet pipe and the pressure accumulation cavity of the rainwater stand pipe accumulate rainwater in sequence, the pressure accumulation cavity is closed, and is completely closed when the water pressure reaches a set value; in the process of draining the pressure accumulation cavity, the pressure accumulation cavity presents an opening trend and is completely opened when the accumulated rainwater in the pressure accumulation cavity is drained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220688614.3U CN217975089U (en) | 2022-03-28 | 2022-03-28 | Hydraulic control assembly and flexible cut-off device control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220688614.3U CN217975089U (en) | 2022-03-28 | 2022-03-28 | Hydraulic control assembly and flexible cut-off device control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217975089U true CN217975089U (en) | 2022-12-06 |
Family
ID=84254728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220688614.3U Active CN217975089U (en) | 2022-03-28 | 2022-03-28 | Hydraulic control assembly and flexible cut-off device control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217975089U (en) |
-
2022
- 2022-03-28 CN CN202220688614.3U patent/CN217975089U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105507415B (en) | A kind of rainwater discharging well for the rubber flap check valve that dams with lift | |
| CN206418567U (en) | The automatic discharge structure using sewage conduct assisted drainage | |
| CN202227456U (en) | Rainwater collection and recycling system for environment-friendly transformer station | |
| CN217975089U (en) | Hydraulic control assembly and flexible cut-off device control system | |
| EP2781666B1 (en) | A method for preventing backflow of wastewater | |
| EP3143214B1 (en) | Hydro-powered water distribution system | |
| CN209082676U (en) | The deep vacuum flushing device with piping lane of municipal drainage | |
| CN102106245B (en) | Automatic waste rainwater greening and watering device | |
| CN210857472U (en) | Bury formula dispersion regulation storage battery system | |
| CA2832531C (en) | System and method for collecting and storing water | |
| WO2004020748A1 (en) | Rainwater collection, storage and supply system | |
| WO2020039172A1 (en) | Rainwater attenuation apparatus and method | |
| CN205116292U (en) | Waterlogging building underground tank is prevented in self -interacting | |
| CN215483334U (en) | Shunting buffer device and drainage system | |
| CN212232501U (en) | Roof vegetation irrigation system | |
| CN219908770U (en) | Ecological flood control wall with regulation function | |
| CN114164847B (en) | Emergency drainage system and method for underground building | |
| JP2017008714A (en) | Rainwater controller and rainwater control method | |
| CN216075228U (en) | Anti-waterlogging retaining wall structure | |
| CN215406470U (en) | Sponge city intelligence rubber weir vatch basin | |
| CN216405630U (en) | Intelligent quality-dividing and flow-dividing discharging device | |
| CN216108858U (en) | Hydraulic upward-opening door flow-limiting valve | |
| CN216142131U (en) | Device and drainage system based on pipeline buffering regulation and storage | |
| CN220336077U (en) | Temporary water storage device for sewer | |
| CN108374447B (en) | Roof rainwater collecting and utilizing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |