CN216304848U

CN216304848U - Sponge type drainage device that building district road was used

Info

Publication number: CN216304848U
Application number: CN202121746835.3U
Authority: CN
Inventors: 徐立群; 谢俊林
Original assignee: Shzf Architectural Design Co ltd
Current assignee: Shzf Architectural Design Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-04-15
Anticipated expiration: 2031-07-29

Abstract

The utility model relates to a sponge type drainage device for roads in a building district, comprising: the drainage ditch comprises a drainage ditch main body and a drainage ditch cover, wherein the drainage ditch main body comprises a starting end ditch body, a standard ditch body, a tail end ditch body and a foundation which are detachable and sequentially connected in series, a first cavity transverse to the starting end ditch body, a second cavity transverse to the standard ditch body and a third cavity transverse to the tail end ditch body are connected to form a water storage and purification space of the drainage ditch main body, and a seepage and drainage ditch at the bottom of the starting end ditch body, the standard ditch body and the tail end ditch body are connected to form a main body seepage and drainage ditch of the drainage ditch main body; the rainwater collecting and draining well is arranged at the tail end ditch body side of the draining ditch main body and comprises a draining well main body and a rainwater inlet at the top, and the draining well main body is provided with a draining joint and a rainwater draining main pipe joint which are used for connecting the main body seepage and draining ditch; the first chamber, the second chamber and the third chamber are filled with rainwater storage and release modules. The drainage device adopts modularized installation, is simple to construct, is safe and reliable, and can be widely applied to drainage facilities of building districts.

Description

Sponge type drainage device that building district road was used

Technical Field

The utility model relates to a rainwater drainage device in the field of buildings, in particular to a sponge drainage device for roads in a building community.

Background

The national institute office of 10 months in 2015 is provided with a 'guidance suggestion on promoting sponge city construction' (the '2015' 75 national issue), and the working target and the basic principle of sponge city construction are defined. Marking the transition from the pilot construction to the comprehensive construction stage of the sponge city. Under the new situation, the sponge city promotes the green building construction, the development of low-carbon cities and the innovation of the formation of smart cities, and is the organic combination of modern green new technology and a plurality of factors such as society, environment, humanity and the like under the characteristic background of a new era.

The low-influence development of rainwater facilities in building districts, which is an important component of sponge urban organisms, plays an important role in maintaining the reliable operation of the sponge facilities in the whole city. The regulation and purification of road surface rainwater runoff is an important link for developing a rainwater system with low influence, and the traditional sponge urban solution is to collect the road surface runoff into a sunken green land, a rainwater garden and a wet-type grass planting ditch for regulation and purification so as to achieve the purpose of controlling runoff peak value and runoff pollution. Although the solution is mature, the following disadvantages exist: the sponge facility occupies a large area and is not suitable for narrow places; the foundation pit is excavated on site, and the filling materials are filled in layers, so that the construction is complex, and labor and time are wasted; filling construction levels are uneven, the quality of planting soil is difficult to control, and the purification and storage functions of sponge facilities are difficult to guarantee; the anti-seepage film has short service life and is easy to leak, thus endangering the safety of the building foundation; the overflow well is built on site, the occupied area is large, the appearance is not attractive, and the leakage is easy to occur; the planting soil layer and the gravel drainage layer in the sponge facility are manually filled on site, and the daily maintenance is difficult.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application will be solved is that current district waterproof construction is complicated, the cost of labor is big, sponge facility purifies and stagnates the function of holding and is difficult to guarantee, prevention of seepage membrane life is shorter and take place the seepage easily, overflow well site is built by laying bricks or stones and area is big, easy seepage.

In order to solve the above technical problems, the present invention provides a sponge type drainage device for a road of a building community, which is installed in a foundation on one side of the road, and comprises: the drainage ditch comprises a drainage ditch main body and a drainage ditch cover, wherein the drainage ditch main body comprises a starting end ditch body, a standard ditch body, a tail end ditch body and a foundation which are detachable and sequentially connected in series, and a first cavity transverse to the starting end ditch body, a second cavity transverse to the standard ditch body and a third cavity transverse to the tail end ditch body are connected to form a water storage purification space of the drainage ditch main body; the first seepage drainage ditch at the bottom of the initial end ditch body, the second seepage drainage ditch at the bottom of the standard ditch body and the third seepage drainage ditch at the bottom of the tail end ditch body are connected to form a main body seepage drainage ditch of the drainage ditch main body; and the rainwater collects the drainage shaft, install in the terminal ditch body side of escape canal main part, the rainwater collects the drainage shaft including the drainage shaft main part with be located the rainwater import at drainage shaft main part top, the drainage shaft main part forms the rainwater with ground basis and collects the drainage space of drainage shaft, the side that the drainage shaft main part is connected with the escape canal main part is equipped with the drainage joint that is used for communicateing the main part and oozes the escape canal, the side that the drainage shaft main part is not connected with the escape canal main part is equipped with rainwater drainage house steward interface. And the first chamber, the second chamber and the third chamber are filled with rainwater storage and release modules.

According to the embodiment of the application, the starting end ditch body comprises a first side plate and a second side plate which are vertically connected, a first perforated cover plate is arranged at the top of the first side plate and the top of the second side plate, a first perforated partition plate is arranged at the middle lower part of the first side plate and the middle lower part of the second side plate, the first side plate, the second side plate, the first perforated cover plate, the first perforated partition plate and a foundation base are enclosed to form a first cavity, and a first seepage drainage ditch is arranged below the first perforated partition plate; the standard ditch body comprises a third side plate, and a second perforated cover plate and a second perforated partition plate which are respectively positioned at the top and the middle lower part of the third side plate, wherein the third side plate, the second perforated cover plate, the second perforated partition plate and the foundation base enclose a second chamber, and a second seepage and drainage ditch is arranged below the second perforated partition plate; the tail end ditch body comprises a fourth side plate and a fifth side plate which are vertically connected with each other, a third porous cover plate is arranged at the top of the fourth side plate and the top of the fifth side plate, a third porous partition plate is arranged at the middle lower part of the fourth side plate and the middle lower part of the fifth side plate, a third chamber is defined by the fourth side plate, the fifth side plate, the third porous cover plate, the third porous partition plate and the foundation, a third seepage and drainage ditch is arranged below the third porous partition plate, and a seepage and drainage ditch connector is arranged on the side of the fourth side plate of the third seepage and drainage ditch.

According to embodiments of the present application, the first perforated cover plate, the second perforated cover plate, and the third perforated cover plate may all be stainless steel grating cover plates, and the first perforated partition plate, the second perforated partition plate, and the third perforated partition plate may also all be stainless steel grating partition plates.

According to the embodiment of the application, the drainage connector and the seepage and drainage ditch interface can be connected in a splicing mode through the socket.

According to an embodiment of the present application, the starting end gutter body may have a length of 1000mm, a width of 370mm, and a height of 570 mm; the length of the standard groove body can be 1000mm, the width can be 370mm, and the height can be 570 mm; the end trench body may have a length of 1000mm, a width of 370mm, and a height of 570 mm.

According to the embodiment of the present application, each side plate of the starting trench body, the standard trench body and the end trench body may be made of resin concrete.

According to the embodiment of the application, the starting groove body, the standard groove body and the tail end groove body can be connected in a splicing mode through the sockets.

According to the embodiment of the application, the drainage connector can be connected with a check valve through an elbow connecting pipe inside the drainage well main body, the elbow connecting pipe can adopt a 90-degree elbow connecting pipe, and the check valve connected with the 90-degree elbow connecting pipe can adopt a normally-closed spring flap check valve.

According to the embodiment of the application, the rainwater storage and release module can be an ecological porous cellucotton module, and the technical indexes of the ecological porous cellucotton module, such as the porosity of 93-97%, the permeability coefficient of 5mm/s or more, the compressive strength of 50kPa or more, the buffer capacity of 93-97%, the SS removal rate of 85%, the COD removal rate of 65% or more and the water storage capacity of 135L can be achieved. The ecological porous cellucotton module can be a cube of 1000mm (length) 300mm (width) 400mm (height), and is convenient for factory mass customization production.

According to the embodiment of the application, the rainwater that the rainwater collects the drainage shaft still can be equipped with stainless steel below the rainwater import and cut dirty basket of hanging.

According to the embodiment of the application, the rainwater of escape canal main part purifies, stagnates the interior week that holds the space and can be equipped with the geotechnological cloth that permeates water of one deck.

According to the embodiment of the application, the pebble energy dissipation layer with the particle size of 30-50 mm can be laid above the drainage ditch main body, the thickness of the pebble energy dissipation layer can be 100mm, and meanwhile, the elevation of the top surface of the pebble energy dissipation layer can be lower than 50mm of the top surface of a rainwater inlet of a rainwater collection drainage well.

According to embodiments of the present application, the foundation base may be a concrete base 100mm thick.

Compared with the prior art, the sponge type drainage device for the building community road has the following beneficial effects:

1. the main drainage ditch of the sponge drainage device adopts a modular design and is formed by combining a starting end ditch body, a standard ditch body and a tail end ditch body, each module ditch body, a rainwater collecting and draining well, a rainwater storing and releasing module, a stainless steel rainwater inlet, a stainless steel grating cover plate and the like are all produced in a factory, only foundation pit excavation equipment installation and pipeline connection operation are needed to be carried out on a construction site, the installation on the construction site is very convenient, the ditch bodies are quickly assembled and bonded through bell and spigot, and the site installation is simple and easy to operate.

2. The rainwater accumulation space of the drainage ditch is filled with ecological porous cellucotton, so that the rainwater can be efficiently absorbed, stored and purified, the purification, regulation and storage requirements of the rainwater can be well met, and the environmental protection concept of sponge city environmental protection is better met.

3. The drainage ditch material is resin concrete, and the sound construction does not have the seepage risk, can not cause the harm to the building basis, is particularly useful for runoff to pollute seriously, ground water level is higher, the geological conditions is poor and apart from the near narrow and small place of building basis.

4. The polluted ecological porous cellucotton is directly returned to the factory for harmless treatment and regeneration, and secondary environmental pollution is avoided.

5. The drainage ditch is characterized in that a layer of permeable geotextile is laid in the drainage ditch body, and the cover plate of the ditch body is also coated with a layer of permeable geotextile, so that the problems that an impermeable membrane in the prior art is short in service life, easy to leak and endangers the safety of a building foundation are solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below, and it is apparent that the drawings in the following description only relate to some embodiments of the present application and are not limiting on the present application.

FIG. 1 is a schematic view showing the layout of a sponge type drainage device for roads of a building district according to the present invention after completion of installation;

FIG. 2 is a schematic view showing the layout of the sponge type drainage device for roads of a residential building according to the present invention after installation;

FIG. 3 is a schematic view showing the construction of an initial gutter of the sponge type drainage apparatus for a road of a residential area according to the present invention;

FIG. 4 is a schematic view showing a structure of a standard gutter of the sponge type drainage apparatus for a road of a building district according to the present invention;

FIG. 5 is a schematic view showing a structure of a distal end gutter of the sponge type drainage apparatus for a road of a construction district according to the present invention;

FIG. 6 is a schematic view showing a rainwater collecting and draining well of a sponge type drainage device for roads of a building district according to the present invention;

FIG. 7 is an exploded view of the rainwater collection and drainage well of the sponge type drainage device for roads of a building district according to the present invention;

FIG. 8 is a schematic view of the sponge type drainage device for roads in a residential area of a building under light rain according to the present invention;

FIG. 9 is a schematic view showing the operation of the sponge type drainage device for roads in a residential area under heavy rain according to the present invention;

fig. 10 is a schematic view showing the operation of the sponge type drainage device for roads of a building district according to the present invention in a case of a rain.

The reference numerals are explained below:

1. on the road, the position of the road is determined,

2. a main rain water drainage pipe,

3. the rainwater storage and release module is used for storing and releasing rainwater,

10. a drainage ditch main body which is provided with a drainage ditch,

11. the starting end of the groove body is provided with a groove body,

12. the standard groove body is provided with a groove body,

13. a tail end groove body is arranged at the tail end,

14. the main body is provided with a seepage and drainage ditch,

20. the rainwater is collected in the drainage well,

21. an inlet for rainwater,

22. a main body of the drainage well is provided with a drainage hole,

23. the sewage-intercepting hanging basket is arranged on the sewage-intercepting hanging basket,

30. a foundation base is formed by a foundation base,

111. a first side plate which is arranged at the front end of the main body,

112. a second side plate which is arranged at the second side plate,

113. the first cover plate with a hole is provided with a hole,

114. the first baffle plate with holes is provided with a first baffle plate with holes,

121. a third side plate which is arranged at the front end of the first side plate,

122. the second cover plate with a hole is provided with a hole,

123. the second porous clapboard is provided with a plurality of holes,

124. the second seepage and drainage ditch is arranged on the second side of the drainage ditch,

131. a fourth side plate which is provided with a first side plate,

132. a fifth side plate which is provided with a first side plate,

133. the third cover plate with a hole is provided with a hole,

134. the third baffle plate with a hole is provided with a baffle plate,

135. the third seepage-drainage ditch is arranged on the upper surface of the water tank,

221. a water discharge joint is arranged at the upper end of the water tank,

222. a joint of a main rainwater drainage pipe,

223. the elbow is connected with the pipe, and the pipe is bent,

224. a check valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings of the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the application without any inventive step, are within the scope of protection of the application.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and claims of this patent application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

FIG. 1 is a schematic layout of a sponge type drainage device for a building cell road of the present invention after installation, FIG. 2 is a schematic layout of a sponge type drainage device for a building cell road of the present invention after installation, FIG. 3 is a schematic structural view of a starting gutter of a sponge type drainage device for a building cell road of the present invention, FIG. 4 is a schematic structural view of a standard gutter of a sponge type drainage device for a building cell road of the present invention, FIG. 5 is a schematic structural view of a terminal gutter of a sponge type drainage device for a building cell road of the present invention, FIG. 6 is a schematic structural view of a rainwater collecting and draining well of a sponge type drainage device for a building cell road of the present invention, FIG. 7 is an exploded structural view of a rainwater collecting and draining well of a sponge type drainage device for a building cell road of the present invention, FIG. 8 is an operational schematic view of a sponge type drainage device for a building cell road of the present invention in a light rain condition, fig. 9 is a schematic diagram showing the operation of the sponge type drainage device for a road of a building cell according to the present invention in heavy rain, and fig. 10 is a schematic diagram showing the operation of the sponge type drainage device for a road of a building cell according to the present invention in heavy rain. Wherein, the arrows in the schematic diagrams of fig. 8, 9 and 10 represent the trend of the rainwater.

As shown in fig. 1, 2, 6 and 7, the sponge-type drainage device for a residential building road according to the present invention is installed in a foundation on one side of a road 1, and includes a drainage ditch body 10 and a rainwater collecting and draining well 20.

The drainage ditch main body 10 includes a detachable starting end ditch body 11, a standard ditch body 12, a terminal ditch body 13 and a foundation base 30 which are connected in series in sequence. The first chamber of the transverse direction of the initial ditch body 11, the second chamber of the transverse direction of the standard ditch body 12 and the third chamber of the transverse direction of the tail ditch body 13 are connected to form a water storage and purification space of the drainage ditch main body 10, and the first seepage and drainage ditch at the bottom of the initial ditch body 11, the second seepage and drainage ditch 124 at the bottom of the standard ditch body 12 and the third seepage and drainage ditch 135 at the bottom of the tail ditch body 13 are connected to form a main body seepage and drainage ditch 14 of the drainage ditch main body 10.

The rainwater collection drainage well 20 is installed on the side of the terminal trench body 13 of the drainage ditch main body 10, as shown in fig. 6 and 7, the rainwater collection drainage well 20 comprises a drainage well main body 22 and a rainwater inlet 21 positioned at the top of the drainage well main body 22, the drainage well main body 22 and the foundation base 30 form a drainage space for collecting rainwater in the drainage well 20, a drainage connector 221 for communicating the main body seepage drainage ditch 14 is arranged on the side where the drainage well main body 22 is connected with the drainage ditch main body 10, a rainwater drainage main pipe connector 222 is arranged on the side where the drainage well main body 22 is not connected with the drainage ditch main body 10, and the rainwater drainage main pipe connector 222 is used for connecting a rainwater drainage main pipe 2 leading to a rainwater well outside a small area.

The first chamber, the second chamber and the third chamber are filled with the rainwater storage and release module 3.

Further, as shown in fig. 3, the starting end trench body 11 includes a first side plate 111 and a second side plate 112 vertically connected, a first perforated cover plate 113 is disposed on the top of the first side plate 111 and the second side plate 112, a first perforated partition plate 114 is disposed on the middle lower portion of the first side plate 111 and the second side plate 112, a first cavity is defined by the first side plate 111, the second side plate 112, the first perforated cover plate 113, the first perforated partition plate 114 and the foundation base 30, and a first seepage and drainage ditch (not shown in the figure) is disposed below the first perforated partition plate 114. The first side plate 111 and the second side plate 112 can be made of resin concrete, so that the structure is firm and has no leakage risk; the first perforated cover plate 113 and the first perforated partition plate 114 can both adopt stainless steel grating plates, thereby facilitating the industrialized manufacture and use

Further, as shown in fig. 4, the standard trench body 12 includes a third side plate 121, and a second perforated cover plate 122 and a second perforated partition plate 123 respectively located at the top and the middle lower portion of the third side plate 121, wherein the third side plate 121, the second perforated cover plate 122, the second perforated partition plate 123 and the foundation base 30 enclose a second chamber, and a second percolation drain 124 is located below the second perforated partition plate 123. The third side plate 121 can be made of resin concrete, so that the structure is firm and has no leakage risk; the second perforated cover plate 122 and the second perforated partition plate 123 can both adopt stainless steel grating plates, thereby facilitating industrial manufacture and use.

Further, as shown in fig. 5, the end trench body 13 includes a fourth side plate 131 and a fifth side plate 132 which are vertically connected to each other, a third perforated cover plate 133 is disposed on the top of the fourth side plate 131 and the fifth side plate 132, a third perforated partition plate 134 is disposed on the middle lower portion of the fourth side plate 131 and the fifth side plate 132, a third chamber is defined by the fourth side plate 131, the fifth side plate 132, the third perforated cover plate 133, and the third perforated partition plate 134 and the foundation base 30, a third seepage and drainage trench 135 is disposed below the third perforated partition plate 134, and a seepage and drainage trench interface is disposed on the fourth side plate 131 side of the third seepage and drainage trench 135. The fourth side plate 131 and the fifth side plate 132 can be made of resin concrete, so that the structure is firm and has no leakage risk; the third perforated cover plate 133 and the third perforated partition plate 134 can both adopt stainless steel grating plates, thereby facilitating industrial manufacture and use.

The application does not limit the perforated cover plate and the perforated partition plate, and a perforated device commonly used by the personnel in the field can be adopted.

Furthermore, the drainage connector 221 and the seepage drainage ditch interface are connected in an assembling mode through a socket, the installation is convenient and rapid, and similarly, the starting end ditch body 11, the standard ditch body 12 and the tail end ditch body 13 can also be connected in an assembling mode through the socket when being connected with each other.

Furthermore, the starting groove body 11, the standard groove body 12 and the end groove body 13 are consistent in size and shape, and are convenient to combine and connect. In actual construction, the starting end trench body 11 can have a length of 1000mm, a width of 370mm and a height of 570 mm; the standard trench body 12 may have a size of 1000mm in length, 370mm in width and 570mm in height; the end groove body 13 may have a size of 1000mm in length, 370mm in width and 570mm in height.

Further, the drain joint 221 is connected with a check valve 224 inside the drain well main body 22 through an elbow joint 223. Elbow connection 223 may be a 90 degree elbow connection, elbow connection 223 is angled toward the bottom of drainage well body 22, check valve 224 connected to elbow connection 223 is preferably a normally closed spring flap check valve, and check valve 224 is biased toward the bottom of drainage well body 22 and may automatically spring back closed when not under pressure.

Furthermore, the rainwater storage and release module 3 adopts an ecological porous cellucotton module, the technical indexes of the ecological porous cellucotton module can reach the void content of 93-97%, the permeability coefficient is larger than or equal to 5mm/s, the compressive strength is larger than or equal to 50kPa, the buffer capacity is 93-97%, the SS removal rate is larger than 85%, the COD removal rate is larger than 65%, and the water storage capacity is 135L, so that the ecological porous cellucotton has remarkable water storage and purification capacity, and can easily cope with large and small rainfall in daily life. Meanwhile, the ecological porous cellucotton can be easily taken out when the drainage ditch is cleaned, and the polluted ecological porous cellucotton is directly returned to a factory for harmless treatment and regeneration, so that secondary environmental pollution is avoided. The ecological porous cellucotton can also be produced by factory customization, the size can be preferably a cube of 1000mm (length) × 300mm (width) × 400mm (height), each ditch body is filled with one ecological porous cellucotton module, and the ecological porous cellucotton can be installed on a construction site and is convenient.

Furthermore, a stainless steel dirt-intercepting hanging basket 23 can be arranged below the rainwater inlet 21 of the rainwater collecting and draining well 20, so that garbage under a rainwater belt can be filtered, rainwater can be purified to a certain extent, and the garbage flushed by rainwater can be conveniently treated. The sewage interception device below the rainwater inlet 21 is not limited in the application, and a filtering device commonly used by a person skilled in the art can be adopted.

Further, the inner space of the drainage ditch main body 10 and the cover plate at the top can be provided with a layer of permeable geotextile, and the permeable geotextile has the functions of isolation, filtration, drainage, reinforcement, protection and the like, so that the integral structure and the function of the building of the drainage ditch main body 10 are isolated and protected, the tensile strength and the deformation resistance of a foundation soil body are enhanced, and the stability of the building structure is enhanced.

Further, in actual construction, a pebble energy dissipation layer with the particle size of 30-50 mm can be laid above the drainage ditch main body 10, the thickness of the pebble energy dissipation layer can be 100mm, and meanwhile, the elevation of the top surface of the pebble energy dissipation layer is lower than the rainwater inlet 21 and preferably higher than 50 mm.

Further, the foundation base 30 may be a concrete base 100mm thick.

As shown in fig. 2 to 5, the drainage ditch main body 10 is formed by assembling and installing a starting ditch body 11, a standard ditch body 12 and an end ditch body 13, each ditch body has a space for water storage, purification and drainage, the length of the drainage ditch main body 10 can be determined according to specific construction sites, the number of the ditch bodies can be reduced to adapt to narrower places, and the number of the standard ditch bodies 12 can be increased when the drainage ditch needs to be longer.

The application discloses sponge type drainage device that building district road was used's theory of operation as follows:

as shown in fig. 8, during light rain, the surface runoff rainwater is collected into the drainage ditch main body 10 through the pebble layer and is stored in the rainwater storage and release module of the ecological porous cellucotton, the module begins to slowly release moisture after being saturated by water, the released moisture enters the bottom main body seepage and drainage ditch 14, when the water level in the main body seepage and drainage ditch 14 is higher than the opening pressure of the normally closed spring flap check valve, the check valve 224 is opened, the water in the seepage and drainage ditch enters the rainwater collection and drainage well 20 and is drained to the rainwater well outside the small compartment through the rainwater drainage main pipe 2; as shown in fig. 9, when heavy rain occurs, a part of the surface runoff rainwater is collected into the drainage ditch main body 10 through the pebble layer and stored in the ecological porous fiber cotton rainwater storage and release module, and the excess runoff rainwater exceeding the absorption amount enters a rainwater inlet at the top of the rainwater collection and drainage well 20 and is drained to a rainwater well outside the small compartment through the rainwater drainage header pipe 2; in the heavy rain process, when the water level at the bottom of the rainwater collection and drainage well 20 is higher than the height of the drainage connector 221, the check valve 224 is closed, and the rainwater collection and drainage well 20 only drains runoff rainwater; as shown in fig. 10, after heavy rain, as the bottom water level of the rainwater collection and drainage well 20 is lowered, the check valve 224 is opened, and rainwater stored in the drainage ditch body 10 is slowly discharged to the rainwater well outside the small compartment through the rainwater collection and drainage well 20.

In actual construction, the installation method of the sponge type drainage device for the roads of the building community in the application is as follows:

1. in site construction, firstly, excavating an outdoor terrace on one side of a road 1, and pouring a concrete foundation with the thickness of 100 mm;

2. after the concrete foundation is poured, installing the starting end ditch body 11, the tail end ditch body 13, the standard ditch body 12 and the rainwater collecting and draining well 20 on the foundation;

3. after the drainage ditch main body 10 and the rainwater collecting and draining well 20 are installed, a concrete short wall is poured on the side surface of the drainage ditch main body 10 to firmly fix the ditch body, and a layer of permeable geotextile is laid on the drainage ditch main body 10;

4. after the permeable geotextile is laid, the ecological porous fiber cotton module is placed in the drainage ditch main body 10; 5. then covering a layer of permeable geotextile on the stainless steel grating cover plate at the top of the drainage ditch main body 10;

6. after the stainless steel grating cover plate is installed, laying a pipeline at a reserved drainage interface of the rainwater collection and drainage well 20 to be connected with a downstream outdoor rainwater inspection well, and backfilling a site; after backfilling, the ground of the green land is 0.15m higher than the drainage ditch body;

7. after the site is backfilled, a pebble energy dissipation layer is paved above the drainage ditch main body 10, and the thickness of the pebble layer is 0.10 m; after the cobble layer was laid and is accomplished, the installation of the sponge type drainage device of this application is accomplished.

In summary, the sponge type drainage device for the building community road of the present application has the following beneficial effects:

The above description is only exemplary of the present application and is not intended to limit the scope of the present application, which is defined by the appended claims.

Claims

1. A sponge type drainage device for a road of a building community is installed in a foundation on one side of the road, and is characterized by comprising:

the drainage ditch comprises a drainage ditch main body and a drainage ditch cover, wherein the drainage ditch main body comprises a detachable starting end ditch body, a standard ditch body, a tail end ditch body and a foundation, the starting end ditch body, the standard ditch body, the tail end ditch body and the foundation are sequentially connected in series, a first cavity chamber of the transverse direction of the starting end ditch body, a second cavity chamber of the transverse direction of the standard ditch body and a third cavity chamber of the transverse direction of the tail end ditch body are connected to form a water storage and purification space of the drainage ditch main body, and a first seepage drainage ditch at the bottom of the starting end ditch body, a second seepage drainage ditch at the bottom of the standard ditch body and a third seepage drainage ditch at the bottom of the tail end ditch body are connected to form a main body seepage drainage ditch of the drainage ditch main body; and

the rainwater collecting and draining well is arranged on the side of the tail end ditch body of the draining ditch main body and comprises a draining well main body and a rainwater inlet positioned at the top of the draining well main body, the draining well main body and the foundation form a draining space of the rainwater collecting and draining well, a draining joint used for communicating the seepage and draining ditch of the main body is arranged on the side surface of the draining well main body connected with the draining ditch main body, and a rainwater draining main pipe joint is arranged on the side surface of the draining well main body not connected with the draining ditch main body;

and the first chamber, the second chamber and the third chamber are filled with rainwater storage and release modules.

2. The sponge-type drain of claim 1, wherein:

the end-opening ditch body comprises a first side plate and a second side plate which are vertically connected, a first perforated cover plate is arranged at the top of the first side plate and the top of the second side plate, a first perforated partition plate is arranged at the middle lower part of the first side plate and the second side plate, the first side plate, the second side plate, the first perforated cover plate, the first perforated partition plate and the foundation form a first cavity in a surrounding mode, and a first seepage drainage ditch is arranged below the first perforated partition plate;

the standard ditch body comprises a third side plate, and a second perforated cover plate and a second perforated partition plate which are respectively positioned at the top and the middle lower part of the third side plate, wherein the third side plate, the second perforated cover plate, the second perforated partition plate and the foundation base enclose a second chamber, and a second seepage and drainage ditch is arranged below the second perforated partition plate;

the tail end ditch body comprises a fourth side plate and a fifth side plate which are vertically connected with each other, a third porous cover plate is arranged at the top of the fourth side plate and the top of the fifth side plate, a third porous partition plate is arranged at the middle lower part of the fourth side plate and the middle lower part of the fifth side plate, the fourth side plate, the fifth side plate, the third porous cover plate, the third porous partition plate and the foundation form a third chamber in a surrounding mode, a third seepage and drainage ditch is arranged below the third porous partition plate, and a seepage and drainage ditch connector is arranged on the side of the fourth side plate of the third seepage and drainage ditch.

3. The sponge-type drain of claim 2, wherein the first, second, and third perforated cover plates are stainless steel grating cover plates and the first, second, and third perforated baffles are stainless steel grating baffles.

4. The sponge-type drain of claim 2, wherein the drain connector is connected to the drain channel interface by a socket assembly.

5. The sponge-type drainage device of claim 2, wherein the starting gutter body has a length of 1000mm, a width of 370mm and a height of 570 mm; the length of the standard groove body is 1000mm, the width of the standard groove body is 370mm, and the height of the standard groove body is 570 mm; the length of the tail end groove body is 1000mm, the width is 370mm, and the height is 570 mm.

6. The sponge-type drainage device according to claim 2, wherein each side plate of the starting gutter body, the standard gutter body and the end gutter body is made of resin concrete.

7. The sponge-type drainage device of claim 1, wherein the initial trench body, the standard trench body and the terminal trench body are connected by socket splicing.

8. The sponge-type drain of claim 1, wherein the drain connector has a check valve attached to it via an elbow connection inside the drain well body.

9. The sponge-type drain of claim 8, wherein the elbow connection is a 90 degree elbow connection and the check valve to which the 90 degree elbow connection is connected is a normally closed spring flap check valve.

10. The sponge-type drainage device according to claim 1, wherein the rainwater storage and release module is an ecological porous cellucotton module, and the technical indexes of the ecological porous cellucotton module are that the porosity is 93-97%, the permeability coefficient is not less than 5mm/s, the compressive strength is not less than 50kPa, the buffer capacity is 93-97%, the SS removal rate is more than 85%, the COD removal rate is more than 65%, and the water storage capacity is 135L.

11. The sponge-type drainage device of claim 10, wherein the module of ecologically porous cellucotton is a cube of 1000mm x 300mm x 400 mm.

12. The sponge-type drain of claim 1, further comprising a stainless steel dirt-intercepting basket disposed below the rain water inlet of the rain water collecting drain well.

13. The sponge-type drainage apparatus according to claim 1, wherein the drainage ditch body has a permeable geotextile on the inner periphery of the rainwater purification and retention space.

14. The sponge-type drainage device according to claim 1, wherein a pebble energy dissipation layer with a particle size of 30-50 mm is laid above the drainage ditch body, and the thickness of the pebble energy dissipation layer is 100 mm.

15. The sponge-type drainage device according to claim 14, wherein the pebble blanket top surface level is 50mm lower than the rain water inlet top surface.

16. The sponge-type drainage device of claim 11, wherein the foundation base is a 100mm thick concrete base.