CN220580159U - Overflow rainwater collecting well for purifying initial rainwater - Google Patents
Overflow rainwater collecting well for purifying initial rainwater Download PDFInfo
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- CN220580159U CN220580159U CN202322139578.2U CN202322139578U CN220580159U CN 220580159 U CN220580159 U CN 220580159U CN 202322139578 U CN202322139578 U CN 202322139578U CN 220580159 U CN220580159 U CN 220580159U
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- 239000000463 material Substances 0.000 claims description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 230000002209 hydrophobic effect Effects 0.000 claims description 28
- 230000008595 infiltration Effects 0.000 claims description 26
- 238000001764 infiltration Methods 0.000 claims description 26
- 238000000926 separation method Methods 0.000 claims description 13
- 239000004746 geotextile Substances 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004064 recycling Methods 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 description 7
- 238000000746 purification Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model relates to the field of sponge city rainwater collection, in particular to an overflow rainwater collection well for purifying initial rainwater, wherein an overflow well cover is arranged at the top of a well body; a plurality of strip-shaped grids are uniformly distributed on the top end and the side wall of the overflow well cover, the strip-shaped grids arranged on the left side and the right side of the overflow well cover are initial rainwater grids, and the top end and the front side and the rear side of the overflow well cover are later rainwater grids; a convex column is arranged on the well wall at the upper end of the well body; the rainwater separating device is of a layered structure, is arranged in the well body and is hung on a convex column of the well wall; the upper layer of the rainwater separating device is a later-stage rainwater separating hopper, the lower layer of the rainwater separating device is an initial-stage rainwater separating hopper, and the bottom wall and the vertical wall of the upper and lower two-layer rainwater separating hoppers are provided with porous structures; the utility model integrates the functions of collecting rainwater, separating rainwater, purifying rainwater and conveying rainwater, and is used for collecting rainwater and purifying initial rainwater for recycling in sponge facilities such as concave greenbelts, rainwater gardens and the like.
Description
Technical Field
The utility model relates to the field of sponge urban rainwater collection, in particular to an overflow rainwater collection well for purifying initial rainwater.
Background
The sponge city is a new generation city rain and flood management concept, and the city can be like a sponge, has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, and can be also called as a 'water elasticity city'. In the construction process of the sponge city, different sponge city facilities are required to be arranged according to different engineering conditions to control rainwater so as to achieve the purposes of seepage, stagnation, storage, purification, use and drainage, and the recycling of the rainwater in the sponge city not only relieves the urban waterlogging problem, but also improves the problem of water resource shortage. At present, sponge city construction is frequently carried out by introducing rainwater on hardened pavement such as roads into surrounding concave greenbelts or biological detention facilities and rainwater gardens, and then arranging overflow gullies in the greenbelts to collect rainwater for recycling or discharging. When rainwater is collected at the overflow gully and recycled, the recycling difficulty is that the initial rainwater is seriously polluted and the initial rainwater is difficult to separate accurately.
During rainfall, the rainwater runoff in the concave greenbelt can possibly carry sundries such as leaves and branches, the surface grid of the traditional rainwater grate is thicker, more sundries can flow into the well chamber, the filter basket in the well chamber can play a role in intercepting sundries, but when sundries are attached to the gaps of the filter basket, the water permeability of the filter basket can be remarkably reduced, and then the infiltration of rainwater is hindered.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to provide an overflow rainwater collecting well for purifying initial rainwater; the specific technical scheme is as follows:
an overflow rainwater collecting well for purifying initial rainwater comprises a well body, an overflow well cover, a protruding column, a rainwater separating device, a biological filter material lifting basket, a hydrophobic column, a rainwater outlet pipe, an initial rainwater water baffle, a well cover handle and a rainwater separating device handle;
the overflow type well cover is arranged at the top of the well body, and the section of the overflow type well cover is in a trapezoid shape protruding upwards; the overflow well lid can effectively prevent that the well lid from being blocked by sundries, and the overflow well lid gap is less can effectively hold back great sundries, and the initial stage rainwater separation bucket can hold back less sundries that flow into the well, carries out earlier stage purification to the rainwater.
A plurality of strip-shaped grids are uniformly distributed on the top end and the side wall of the overflow well cover, the strip-shaped grids arranged on the left side and the right side of the overflow well cover are initial rainwater grids, and the top end and the front side and the rear side of the overflow well cover are later rainwater grids;
a convex column is arranged on the well wall at the upper end of the well body;
the rainwater separation device is of a layered structure, is arranged in the well body and is hung on a convex column of the well wall; can conveniently take out, in time clear up debris that intercepts on the rainwater separator, avoid blockking up infiltration hole down, form the rainwater to be detained.
The upper layer of the rainwater separating device is a later-stage rainwater separating hopper, the lower layer of the rainwater separating device is an initial-stage rainwater separating hopper, and the bottom wall and the vertical wall of the upper and lower layers of the rainwater separating hoppers are provided with porous structures;
the lower initial rainwater separating hopper is provided with an initial rainwater infiltration hole, and the upper later rainwater separating hopper is provided with a later rainwater infiltration hole;
the post-stage rainwater separating hopper on the upper layer is internally provided with a hydrophobic column which is of a hollow structure, and a plurality of penetrating hydrophobic holes are uniformly distributed on the wall surface of the hydrophobic column; the drain holes are vertical drain holes, so that the blockage of the water delivery holes can be effectively avoided, and the rainwater infiltration capacity is improved.
The biological filter material basket is hung in the well body below the initial rainwater separating hopper, and the hanging hook of the biological filter material basket is hung in the groove at the upper end of the protruding column;
a biological filter material bag is arranged in the biological filter material basket, and a biological filter material bag is placed in the biological filter material bag;
the biological filter material bag is packaged by water permeable geotextile, can intercept the falling biological film, ensures the water quality of the discharged water, and is convenient for replacing the filter material.
When the biological filter material bag is replaced, the rainwater separating device can be taken out first, and then the biological filter material basket is taken out to replace the biological filter material bag.
An initial rainwater baffle is arranged at the opening of the biological filter material basket, is arranged below the initial rainwater separating hopper and is inclined towards the inside of the biological filter material basket; the initial rainwater baffle can effectively collect rainwater which seeps downwards from the vertical seepage holes of the initial rainwater, and further ensures that the initial rainwater is completely separated.
A mounting hole is formed below the well body and is connected with a rainwater outlet pipe;
the side wall of the rainwater separating device is provided with a handle of the rainwater separating device.
The overflow rainwater collecting well for purifying the initial rainwater is characterized in that at least an upper layer of separating hopper and a lower layer of separating hopper are arranged in the rainwater separating device, and the distance between the upper layer of separating hopper and the lower layer of separating hopper is at least 5cm.
The overflow rainwater collecting well for purifying the initial rainwater is characterized in that the hydrophobic columns are uniformly distributed on the bottom wall of the later rainwater separating hopper, are cylindrical or irregular, have the length of at least 15cm and have the number of at least 4.
The overflow rainwater collecting well for purifying the initial rainwater is characterized in that the quantity of the biological filter material bags is set according to the size of the biological filter material basket.
The overflow rainwater collecting well for purifying the initial rainwater is characterized in that the number of biological filter material lifting baskets arranged in the well body is at least one.
The overflow rainwater collecting well for purifying the initial rainwater has the preferable scheme that the overflow water level of the initial rainwater infiltration hole is at least 2cm lower than that of the later rainwater infiltration hole; the initial rainwater can flow into the well from the side with the initial rainwater treatment facility through the initial rainwater grid, and when the rainfall is increased and the water level is increased, the later rainwater can flow into the well through the later rainwater grid.
The overflow rainwater collecting well for purifying the initial rainwater has the preferable scheme that the overflow type well cover and the well body are of an integrated structure and are connected through bolts or hinges, so that the overflow type well cover is used for effectively preventing theft;
the overflow type well lid edge sets up the well lid handle, conveniently opens the maintenance, and the clearance inner assembly.
The overflow rainwater collecting well for purifying the initial rainwater is characterized in that the diameter of the underwater seepage hole of the initial rainwater is 1cm, and the diameter of the hydrophobic hole is 1cm.
The working principle of the overflow rainwater collecting well for purifying initial rainwater is as follows: after the initial rainwater flows into the well through the initial rainwater grid, the initial rainwater can enter the lower layer of the rainwater separating device by gravity, namely the initial rainwater separating hopper, infiltrates downwards through the initial rainwater infiltration holes, and the rainwater just flowing into the well tends to flow to the initial rainwater separating hopper at the lower position, so that the effect of further separating the initial rainwater can be achieved.
After the initial rainwater flows, the rainwater flows into the well at the middle and later stages with larger runoff, the rainwater in the well is increased, the water level rises, when the water level in the well reaches the upper layer of the rainwater separating device, namely the later stage rainwater separating hopper, the rainwater can flow out from the later stage rainwater lower seepage hole of the later stage rainwater separating hopper, and when the water level rises again, the rainwater can flow out from the later stage rainwater lower seepage hole of the upper layer and the hydrophobic hole of the hydrophobic column simultaneously, so that the water permeable area can be increased. The drain hole is larger in water yield, and the later-stage rainwater is effectively discharged when the water level in the well rises, and the drain column and the rainwater separation device are not detachable.
The rainwater which infiltrates downwards from the later-stage rainwater infiltration holes of the later-stage rainwater separating hopper is middle-stage and later-stage rainwater, is clear, does not need to be treated, does not flow into a biological filter material basket for treatment after gravity flows down, and directly flows into a rainwater collecting pipeline.
The rainwater which infiltrates downwards from the initial rainwater infiltration holes of the initial rainwater separating hopper is initial rainwater, so that the pollution is serious, the rainwater needs to be further treated, and the rainwater flows into the biological filter material basket for water treatment after gravity flow.
After the initial rainwater is filtered from the biological filter material bag, gravity flows into the rainwater collecting pipeline.
Drawings
FIG. 1 is a top view of an overflow stormwater collection well for purifying initial stormwater;
FIG. 2 is a side view of an overflow stormwater collection well for purifying initial stormwater;
FIG. 3 is a left side view of an overflow stormwater collection well for purifying incipient stormwater;
FIG. 4 is a cross-sectional view of section A-A of FIG. 1;
FIG. 5 is a section B-B of FIG. 1;
FIG. 6 is a cross-sectional view of C-C of FIG. 4;
FIG. 7 is a section view of D-D of FIG. 4;
fig. 8 is a sectional view of E-E of fig. 4.
In the figure: the rainwater collecting device comprises a well wall 1, an overflow well lid 2, a rainwater collecting pipe 3, a protruding column 4, a rainwater separating device 5, a biological filter material basket 6, a hydrophobic column 7, a biological filter material 8, a hydrophobic hole 9, a biological filter material bag 10, a later stage rainwater infiltration hole 11, an initial stage rainwater infiltration hole 12, an initial stage rainwater vertical type infiltration hole 13, an initial stage rainwater grid 14, a later stage rainwater grid 15, an initial stage rainwater water baffle 16, an overflow well lid handle 17, a rainwater separating device handle 18, an initial stage rainwater separating bucket 19 and a later stage rainwater separating bucket 20.
Detailed Description
The utility model will be further described with reference to the accompanying drawings in the present application, but it should not be construed that the scope of the utility model is limited to the embodiments described below. Various substitutions and alterations are made by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
As shown in fig. 1 to 8, an overflow rainwater collecting well for purifying initial rainwater comprises a well body 1, an overflow well cover 2, a convex column 4, a rainwater separating device 5, a biological filter material basket 6, a hydrophobic column 7, a rainwater outlet pipe 3, an initial rainwater baffle 16, a well cover handle 17 and a rainwater separating device handle 18;
the overflow type well cover 2 is arranged at the top of the well body 1, and the section of the overflow type well cover 2 is in a trapezoid shape protruding upwards; the overflow well lid can effectively prevent that the well lid from being blocked by sundries, and the overflow well lid gap is less can effectively hold back great sundries, and the initial stage rainwater separation bucket can hold back less sundries that flow into the well, carries out earlier stage purification to the rainwater.
A plurality of strip-shaped grids are uniformly distributed on the top end and the side wall of the overflow well cover 2, the strip-shaped grids arranged on the left side and the right side of the overflow well cover are initial rainwater grids 14, and the top end and the front side and the rear side of the overflow well cover are later rainwater grids 15;
a convex column 4 is arranged on the well wall at the upper end of the well body 1;
the rainwater separating device 5 is of a layered structure, is arranged in the well body 1 and is hung on the raised column 4 of the well wall; can conveniently take out, in time clear up debris that intercepts on the rainwater separator, avoid blockking up infiltration hole down, form the rainwater to be detained.
The upper layer of the rainwater separating device 5 is a later-stage rainwater separating hopper 20, the lower layer is an initial-stage rainwater separating hopper 19, and the bottom wall and the vertical wall of the upper and lower two-layer rainwater separating hoppers are provided with porous structures;
the lower initial rainwater separating hopper 19 is provided with an initial rainwater infiltration hole 11, and the upper later rainwater separating hopper 20 is provided with a later rainwater infiltration hole 12;
the post-stage rainwater separating hopper 20 on the upper layer is internally provided with a hydrophobic column 7, the hydrophobic column 7 is of a hollow structure, and a plurality of penetrating hydrophobic holes 9 are uniformly distributed on the wall surface of the hydrophobic column 7; the drain holes 9 are vertical drain holes, so that the blockage of the water delivery holes can be effectively avoided, and the rainwater infiltration capacity is improved.
The biological filter material basket 6 is hung in the well body 1 below the initial rainwater separating hopper 19, and a hook extending out of the biological filter material basket 6 is hung in a groove at the upper end of the protruding column 4;
a biological filter material bag 10 is arranged in the biological filter material basket 6, and a biological filter material bag 8 is arranged in the biological filter material bag 10;
the biological filter material bag 8 is packaged by water permeable geotextile, can intercept the falling biological film, ensures the water quality of the discharged water, and is convenient for replacing the filter material.
When the biological filter material bag 8 is replaced, the rainwater separating device 5 can be taken out firstly, and then the biological filter material bag 8 of the biological filter material basket 6 is taken out.
An initial rainwater baffle 16 is arranged at the opening of the biological filter material basket 6, and the initial rainwater baffle 16 is arranged below the initial rainwater separating hopper 19 and is inclined towards the inside of the biological filter material basket 6; the initial rainwater baffle 16 can effectively collect rainwater that seeps downwards through the vertical seepage holes of the initial rainwater, and further ensure that the initial rainwater is completely separated.
A mounting hole is formed below the well body 1 and is connected with a rainwater outlet pipe 3;
the side wall of the rainwater separating device 5 is provided with a rainwater separating device handle 18.
At least an upper layer of separation hopper and a lower layer of separation hopper are arranged in the rainwater separation device 5, and the distance between the upper layer of separation hopper and the lower layer of separation hopper is at least 5cm.
The hydrophobic columns 7 are uniformly distributed on the bottom wall of the post-stage rainwater separating hopper 20, and the hydrophobic columns 7 are cylindrical or irregular columns, the length of the hydrophobic columns is at least 15cm, and the number of the hydrophobic columns is at least 4.
The number of the biological filter bags 8 is set according to the size of the biological filter basket 6.
The number of the biological filter material lifting baskets 6 arranged in the well body 1 is at least one.
The overflow water level of the initial rainwater infiltration hole 11 is at least 2cm lower than that of the later rainwater infiltration hole 12; the initial rainwater can flow into the well from the side where the initial rainwater treatment facility is located through the initial rainwater grid 14, and when the amount of rainwater increases and the water level increases, the post-stage rainwater can flow into the well through the post-stage rainwater grid 15.
The overflow well cover 2 and the well body 1 are of an integrated structure and are connected through bolts or hinges, so that theft is effectively prevented;
the overflow type well lid 2 edge is provided with a well lid handle 17, which is convenient to open and maintain and clear up internal components.
The diameter of the initial rain water seepage hole 11 is 1cm, and the diameter of the hydrophobic hole 9 is 1cm.
The working principle of the overflow rainwater collecting well for purifying initial rainwater is as follows: after the initial rainwater flows into the well through the initial rainwater grid 14, the initial rainwater can enter the lower layer of the rainwater separating device 5, namely the initial rainwater separating hopper 19, the initial rainwater seeps downwards through the initial rainwater seepage holes 11, and the rainwater just flowing into the well tends to flow to the initial rainwater separating hopper 19 at the lower position, so that the effect of further separating the initial rainwater can be achieved.
After the initial rainwater flows, the rainwater flows into the well at the middle and later periods with larger runoff, the rainwater in the well is increased, the water level rises, when the water level in the well reaches the upper layer of the rainwater separating device 5, namely the later-period rainwater separating hopper 20, the rainwater can flow out from the later-period rainwater underwater seepage hole 12 of the later-period rainwater separating hopper 20, and when the water level rises again, the rainwater can flow out from the later-period rainwater lower seepage hole 12 of the upper layer and the water drainage hole 9 of the water drainage column 7 at the same time, so that the water permeability area can be increased. The drain hole effectively discharges later-stage rainwater when the water quantity is large and the water level in the well rises, and the drain column 7 and the rainwater separation device 5 are not detachable.
The rainwater which infiltrates downwards from the later-stage rainwater infiltration holes 12 of the later-stage rainwater separating hopper 20 is middle-stage and later-stage rainwater, is clear, does not need to be treated, does not flow into a biological filter material basket for treatment after gravity flow, and directly flows into a rainwater collecting pipeline.
The rainwater which infiltrates from the initial rainwater infiltration holes 11 of the initial rainwater separating hopper 19 is initial rainwater, so that the pollution is serious, further treatment is needed, and the rainwater flows into the biological filter material basket for water treatment after gravity flow.
After the initial rainwater is filtered from the biological filter bag 8, gravity flows into the rainwater collection pipe.
Claims (9)
1. An overflow rainwater collecting well for purifying initial rainwater is characterized by comprising a well body (1), an overflow well cover (2), a protruding column (4), a rainwater separating device (5), a biological filter material lifting basket (6), a hydrophobic column (7), a rainwater outlet pipe (3), an initial rainwater baffle (16), a well cover handle (17) and a rainwater separating device handle (18);
the overflow type well cover (2) is arranged at the top of the well body (1), and the section of the overflow type well cover (2) is in a trapezoid protruding upwards;
a plurality of strip-shaped grids are uniformly distributed on the top end and the side wall of the overflow well cover (2), the strip-shaped grids arranged on the left side and the right side of the overflow well cover are initial rainwater grids (14), and the top end and the front side and the rear side of the overflow well cover are later rainwater grids (15);
a convex column (4) is arranged on the well wall at the upper end of the well body (1);
the rainwater separation device (5) is of a layered structure, is arranged in the well body (1) and is hung on the protruding column (4) of the well wall;
the upper layer of the rainwater separating device (5) is a later-stage rainwater separating hopper (20), the lower layer is an initial-stage rainwater separating hopper (19), and the bottom wall and the vertical wall of the upper and lower two-layer rainwater separating hoppers are provided with porous structures;
the lower initial rainwater separating hopper (19) is provided with an initial rainwater infiltration hole (11), and the upper later rainwater separating hopper (20) is provided with a later rainwater infiltration hole (12);
a hydrophobic column (7) is arranged in the later rainwater separating hopper (20) at the upper layer, the hydrophobic column (7) is of a hollow structure, and a plurality of penetrating hydrophobic holes (9) are uniformly distributed on the wall surface of the hydrophobic column (7);
the biological filter material basket (6) is hung in the well body (1) below the initial rainwater separating hopper (19), and the hanging hook of the biological filter material basket (6) is hung in the groove at the upper end of the protruding column (4);
a biological filter material bag (10) is arranged in the biological filter material basket (6), and a biological filter material bag (8) is arranged in the biological filter material bag (10);
an initial rainwater baffle (16) is arranged at the opening of the biological filter material basket (6), and the initial rainwater baffle (16) is arranged below the initial rainwater separating hopper (19) and inclines inwards of the biological filter material basket (6);
a mounting hole is formed below the well body (1) and is connected with a rainwater outlet pipe (3);
the side wall of the rainwater separating device (5) is provided with a rainwater separating device handle (18).
2. An overflow stormwater collection well as claimed in claim 1, wherein at least two separating hoppers are arranged in the stormwater separation device (5), and the distance between the two separating hoppers is at least 5cm.
3. Overflow stormwater collection well for purifying initial stormwater as claimed in claim 1, characterized in that the hydrophobic columns (7) are evenly distributed on the bottom wall of the late stormwater separation funnel (20), and that the hydrophobic columns (7) are cylindrical or irregular columns having a length of at least 15cm and a number of at least 4.
4. Overflow stormwater collection well for purifying incipient stormwater as claimed in claim 1, wherein the number of biological filter bags (8) is arranged in accordance with the size of the biological filter basket (6).
5. Overflow stormwater collection well for purifying incipient stormwater as claimed in claim 1, wherein the number of biological filter baskets (6) provided in the well body (1) is at least one.
6. An overflow stormwater collection well for purifying initial stormwater as claimed in claim 1, wherein the initial stormwater infiltration orifice (11) is at least 2cm lower than the overflow water level of the later stormwater infiltration orifice (12).
7. Overflow rainwater collecting well for purifying initial rainwater according to claim 1, characterized in that the overflow well cover (2) is of integral structure with the well body (1) and is connected by bolts or hinges;
the edge of the overflow type well cover (2) is provided with a well cover handle (17).
8. An overflow stormwater collection well as claimed in claim 1, wherein the initial stormwater infiltration orifice (11) has a diameter of 1cm and the hydrophobic orifice (9) has a diameter of 1cm.
9. An overflow stormwater collection well for purifying incipient stormwater as claimed in claim 1, wherein the biological filter pack (8) is wrapped in water permeable geotextile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322139578.2U CN220580159U (en) | 2023-08-09 | 2023-08-09 | Overflow rainwater collecting well for purifying initial rainwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322139578.2U CN220580159U (en) | 2023-08-09 | 2023-08-09 | Overflow rainwater collecting well for purifying initial rainwater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220580159U true CN220580159U (en) | 2024-03-12 |
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ID=90107576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322139578.2U Active CN220580159U (en) | 2023-08-09 | 2023-08-09 | Overflow rainwater collecting well for purifying initial rainwater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220580159U (en) |
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2023
- 2023-08-09 CN CN202322139578.2U patent/CN220580159U/en active Active
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