CN217811491U

CN217811491U - Sinking type green land retention well

Info

Publication number: CN217811491U
Application number: CN202221669070.2U
Authority: CN
Inventors: 恽乐; 黄锐
Original assignee: Suzhou Construction Group Planning Building Design Institute Co ltd
Current assignee: Suzhou Construction Group Planning Building Design Institute Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-11-15
Anticipated expiration: 2032-07-01

Abstract

The utility model provides a formula of sinking greenery patches detention well, including the well body and with rainwater discharge pipe and the blind pipe that permeates water that the well body lateral wall links to each other, the upper mouth department of well body has pour the mount pad, install the well lid on the mount pad, be provided with the filter unit in the well body, the well body is provided with rainwater discharge pipe and the blind pipe that permeates water respectively from top to bottom, rainwater discharge pipe is connected to the rainwater pipe net, the blind pipe that permeates water extends to the greenery patches; cobblestones are laid on the periphery of the mounting seat of the well body. The utility model discloses can make the roof rainwater from well lid overflow to concave down greenery patches in, prevent effectively that the roof rainwater from washing away the green of concave down greenery patches for a long time and planting.

Description

Sinking type green land retention well

Technical Field

The utility model belongs to the technical field of the sponge city, especially, relate to a formula of sinking greenery patches is detained well.

Background

In recent years, people begin to consume resources excessively, vegetation is cut down, soil, water and air are polluted seriously, urban flooding is frequent along with acceleration of urbanization process and aggravation of environmental changes such as climate and the like, urban water supply, water drainage and other processes are seriously influenced by hard construction of an underlying surface, and the two processes of urban precipitation, water consumption, water drainage, water supply and water drainage are seriously interfered. Therefore, sponge city construction aiming at comprehensive management and ecological regulation of rain flood takes place.

The sponge city refers to a city which can be like a sponge, has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters and the like, absorbs, stores, seeps and purifies water in rainy days, and releases and utilizes the stored water when in need. Sponge city construction should follow ecological priority principle etc. combines together natural way and artificial measures, under the prerequisite of guaranteeing urban drainage waterlogging prevention safety, furthest realizes that rainwater stores up, permeates and purifies in the urban area, promotes the utilization of rainwater resource and ecological environment protection. In the sponge city construction process, the systematicness of natural rainfall, surface water and underground water is planned, water recycling links such as water supply and drainage are coordinated, and the complexity and the long-term property of the links are considered.

The sunken green land is a green land lower than the surrounding ground, and the sunken green land utilizes the open space to receive and store rainwater so as to achieve the effect of reducing runoff emission. The sunken green land is facility for reducing ground surface diameter injection in sponge city construction. The retention well arranged in the sunken green land is a main drainage device, and when the rainfall is too large and the water storage amount of the green land is saturated, the rainwater can flow into the retention well.

The existing sinking type green land detention well is generally directly bordered with a green land, when the detention well is positioned below an eave or below a rainwater collection part, the rainwater can erode the green land around the detention well for a long time, so that the green plants on the green land are destroyed, and then the death of the green plants is caused, meanwhile, the rainwater erodes the green land around the detention well for a long time, the firmness of the green land is destroyed, and then the detention well has potential safety hazards.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of prior art, the utility model aims at providing a formula greenery patches that sinks is detained well can make in the roof rainwater overflows to recessed greenery patches from the well lid, prevents effectively that the roof rainwater from long-term green planting of the recessed greenery patches of scouring away.

In order to achieve the purpose, the utility model provides a sunken greenbelt detention well, which comprises a well body, a rainwater discharge pipe and a water-permeable blind pipe, wherein the rainwater discharge pipe and the water-permeable blind pipe are connected with the side wall of the well body; cobblestones are laid on the periphery of the mounting seat of the well body;

the filtering unit comprises a first filtering component and a second filtering component, the first filtering component is movably arranged in the well body, and the second filtering component is arranged at the bottom of the well body;

the first filter assembly comprises a connecting device and a filter plate movably arranged on the connecting device;

the tail end of the connecting device is positioned between the rainwater drainage pipe and the second filtering component.

Preferably, the connecting device comprises a lifting section and a spiral section, and an inlet of the spiral section is communicated with an outlet of the lifting section.

Preferably, the lifting section is symmetrically provided with 2 lifting sections, and the lifting section and the spiral section are both arranged in grooves.

Preferably, the filter plate is symmetrically provided with clamping blocks, and the clamping blocks can be embedded into the grooves of the lifting section and the spiral section and slide in the grooves.

Preferably, the number of the water-permeable blind pipes is multiple, the water-permeable blind pipes are obliquely arranged downwards, and the water-permeable blind pipes are arranged below the rainwater drainage pipe.

Preferably, a filter screen is arranged at the connection part of the rainwater drainage pipe and the well body.

Preferably, the well body comprises a base and a well body, the base is formed by pouring concrete, and the well body is located on the base and is a brick wall.

Preferably, cement plastering is arranged on the inner surface and the outer surface of the well bore.

Preferably, the second filtering component comprises a permeable geotextile arranged at the bottom of the well body, and the permeable geotextile is internally provided with a gravel layer and a filter material layer from top to bottom in sequence.

Preferably, the rainwater drainage pipe is 5cm higher than the gravel layer.

Compared with the prior art, through the utility model discloses an implement, reached following obvious technological effect:

1. the filter plate of the utility model can filter the sundries such as larger garbage and the like falling into the well body, and the second filter component can filter the sundries such as smaller garbage and the like, thereby achieving the effect of second-stage filtration;

2. the utility model collects rainwater in the well body, drains the rainwater in the well body into the green land through the water permeable blind pipe, so that the green land can store water, drains the rainwater filtered and overflowed into the rainwater pipe network through the rainwater drainage pipe, and effectively prevents a large amount of rainwater from washing the green land;

3. the second filtering component of the utility model is beneficial to filtering rainwater and can improve the bearing performance;

4. the utility model discloses a first filtering component is movable sets up in the well body, conveniently clears up debris such as filterable rubbish, is favorable to reducing the emergence of being detained the well jam condition.

The conception, the specific mold cavity and the technical effects thereof will be further described with reference to the accompanying drawings so as to fully understand the objects, features and effects of the present invention.

Drawings

Fig. 1 is a schematic structural view of a sunken greenbelt retention well according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a first filter assembly of a sunk green space retention well according to an embodiment of the present invention.

Detailed Description

The following embodiments of the present invention are provided by way of specific examples, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can be implemented or applied by other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, amount and proportion of each component may be changed arbitrarily in actual implementation, and the layout of the components may be more complicated.

Referring to fig. 1 and 2, a sunk type green space detention well comprises a well body 1, a rainwater discharge pipe 2 and a water permeable blind pipe 3 which are connected with the side wall of the well body 1, wherein an installation seat 4 is poured at the upper opening of the well body 1, a well cover 5 is installed on the installation seat 4, a filter unit 6 is arranged in the well body 1, the well body 1 is respectively provided with the rainwater discharge pipe 2 and the water permeable blind pipe 3 from top to bottom, the rainwater discharge pipe 2 is connected to a rainwater pipe network, and the water permeable blind pipe 3 extends to a green space; cobblestones 7 are laid on the periphery of the mounting seat of the well body 1.

Specifically, the particle size of the cobblestones is 50mm, and rainwater washing is prevented.

In specific implementation of the present application, the filtering unit 6 includes a first filtering component 9 and a second filtering component 10, the first filtering component 9 is movably disposed inside the well body 1, and the second filtering component 10 is disposed at the bottom of the well body 1;

referring to fig. 2, the first filter assembly 9 includes a connecting device 91 and a filter plate 92 movably disposed on the connecting device;

this application is when concrete implementation, and connecting device 91 can be the barrel, and cooperatees with 1 inner wall of the well body, and certainly also can constitute the tube-shape by many connecting plates and be the same with 1 inner wall of the well body, sets up at 1 inner wall of the well body and cooperate with it and make the structure that filter 92 set up including the activity all in the protection scope of this application.

More specifically, be provided with the filter screen on the filter 92, the aperture of filter screen is not more than 10mm, is convenient for clear up debris.

Preferably, the end of said connecting means 91 is located between the storm drain 2 and the second filter assembly 8.

Preferably, the connection device 91 comprises a lifting segment 911 and a spiral segment 912, wherein an inlet of the spiral segment 912 is communicated with an outlet of the lifting segment 911.

More specifically, the lifting segment 911 is symmetrically provided with 2 lifting segments, and the lifting segment 911 and the spiral segment 912 are both arranged in grooves.

Preferably, the filter plate 92 is symmetrically provided with a latch 921, and the latch 921 can be inserted into and slide in the grooves of the lifting segment 911 and the spiral segment 912.

Preferably, the number of the water-permeable blind pipes 3 is multiple, the water-permeable blind pipes 3 are obliquely arranged downwards, and the water-permeable blind pipes 3 are arranged below the rainwater discharge pipe 2.

Preferably, a filter screen is arranged at the joint of the rainwater drainage pipe 2 and the well body 1.

When this application is implemented specifically, second filtering component 10 including set up in the geotechnological cloth 101 that permeates water of well body 1 bottom, the within range of geotechnological cloth 101 that permeates water sets gradually metalling 102, filter bed 103 from top to bottom.

More specifically, the permeable geotextile adopts 300g/m ² And the permeability coefficient is 0.1cm/s.

More specifically, the filter material layer 103 is made of silt and clay 1:1 proportion, the permeability is within the range of 20 to 30mm/h, and workers slightly compact the concrete after paving.

More specifically, the particle size of the silt is 0.002-0.05mm, and the particle size of the clay is not more than 0.002mm.

Preferably, the rainwater drainage pipe 2 is 5cm higher than the top of the gravel layer 102. When roof rainwater is received in this application, the actual well depth is confirmed according to 2 elevations of roof rainwater discharge pipe, and 2 tube bottoms of rainwater discharge pipe exceed the 5cm of rubble layer 102 top.

When the concrete implementation of this application, well body 1 includes base 11 and well bore 12, base 11 forms for concrete placement, well bore 12 is located base 11 and is the brick wall.

Specifically, the wellbore 12 is 300mm by 600mm in size and 240 walls are used.

And more particularly, the well bore 12 has a depth of 800mm,

preferably, cement plastering 121 is provided on the inside and outside of the wellbore 12.

the filter plate of the utility model can filter the sundries such as larger garbage and the like falling into the well body, and the second filter component can filter the sundries such as smaller garbage and the like, thereby achieving the effect of second-stage filtration;

the utility model collects rainwater in the well body, drains the rainwater in the well body into the greenbelt through the water-permeable blind pipe, so that the greenbelt can store water, and drains the rainwater filtered and overflowed to the rainwater pipe network through the rainwater discharge pipe, thereby effectively preventing a large amount of rainwater from washing the greenbelt;

the second filtering component of the utility model is beneficial to filtering rainwater and can improve the bearing performance;

the utility model discloses a first filtering component is movable sets up in the well body, conveniently clears up debris such as filterable rubbish, is favorable to reducing the emergence of being detained the well jam condition.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the disclosure herein is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the disclosure. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A sunk greenbelt retention well is characterized by comprising a well body, a rainwater discharge pipe and a water-permeable blind pipe, wherein the rainwater discharge pipe and the water-permeable blind pipe are connected with the side wall of the well body; cobblestones are paved on the periphery of the mounting seat of the well body;

2. A sinking greenfield retention well according to claim 1, wherein the connection means comprises a riser section and a spiral section, the inlet of the spiral section communicating with the outlet of the riser section.

3. A sunk green space detention well as claimed in claim 2, wherein there are 2 of the lifting sections symmetrically arranged, and the lifting sections and the helical sections are both in a groove arrangement.

4. A sunk greenbelt retention well as claimed in claim 2, wherein said filter plates are symmetrically provided with clips which can be inserted into and slide within grooves of said elevation section and said spiral section.

5. The sunk-type greenbelt retention well as claimed in claim 1, wherein the number of the water permeable blind pipes is plural, the plural water permeable blind pipes are arranged obliquely downwards, and the plural water permeable blind pipes are arranged below the rainwater drainage pipe.

6. A sinking greenbelt retention well according to claim 5, wherein a filter screen is provided at the connection of the rainwater drainage pipe and the well body.

7. A sunk greenbelt retention shaft as claimed in claim 1, wherein the shaft comprises a base and a shaft, the base being cast of concrete and the shaft being located on the base and being a brick wall.

8. A submersible greenfield retention well according to claim 7, wherein the inner and outer faces of the well bore are provided with cement trowels.

9. The well of claim 1, wherein the second filter assembly comprises a water-permeable geotextile arranged at the bottom of the well body, and the water-permeable geotextile is provided with a gravel layer and a filter material layer from top to bottom in sequence.

10. A submersible greenfield retention well according to claim 9, wherein the storm water drainage pipe is 5cm above the gravel layer.