CN112031117A - Terrace sponge ecosystem and terrace sponge ecosystem construction method - Google Patents

Terrace sponge ecosystem and terrace sponge ecosystem construction method Download PDF

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Publication number
CN112031117A
CN112031117A CN202010852096.XA CN202010852096A CN112031117A CN 112031117 A CN112031117 A CN 112031117A CN 202010852096 A CN202010852096 A CN 202010852096A CN 112031117 A CN112031117 A CN 112031117A
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CN
China
Prior art keywords
culvert
sponge
well
terrace
stones
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Pending
Application number
CN202010852096.XA
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Chinese (zh)
Inventor
秦江
任荣志
王锐
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Chongqing Landscape Architecture Planning And Research Institute
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Chongqing Landscape Architecture Planning And Research Institute
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Publication date
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Priority to CN202010852096.XA priority Critical patent/CN112031117A/en
Publication of CN112031117A publication Critical patent/CN112031117A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F3/00Sewer pipe-line systems
    • E03F3/04Pipes or fittings specially adapted to sewers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/02Combinations of filters of different kinds
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F5/00Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
    • E01F5/005Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F3/00Sewer pipe-line systems
    • E03F3/04Pipes or fittings specially adapted to sewers
    • E03F3/046Open sewage channels
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/0401Gullies for use in roads or pavements
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/0401Gullies for use in roads or pavements
    • E03F5/0404Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

Abstract

The invention provides a terrace sponge ecosystem which comprises a well, a municipal drainage pipe, a well drainage pipe, a hidden culvert and a water outlet channel, wherein the bottom of the well is communicated with the hidden culvert through the well drainage pipe; the municipal drainage pipe is communicated with the hidden culvert; gabions and stones are placed on the lower surface of the hidden culvert; sewage collected by the well and the municipal drainage pipe flows into the hidden culvert, and flows into the sponge filtering ditch through the water outlet channel to be filtered and collected after being filtered by the gabion and the stones. The invention also provides a construction method of the terrace sponge ecosystem, which comprises the steps that a well drainage pipe is arranged at the bottom of the well and is communicated with the well and the hidden culvert; stacking gabions on the lower surface of the hidden culvert; placing stones on the lower surface of the dark culvert and above the gabion; the sponge filtering channel is arranged on the right side of the water outlet channel. The terrace sponge ecosystem built by the construction method can filter larger garbage and smaller garbage in sewage, reduces the difficulty of sewage treatment, can collect the filtered sewage for secondary utilization, and achieves the effect of saving water.

Description

Terrace sponge ecosystem and terrace sponge ecosystem construction method
Technical Field
The invention relates to the field of municipal engineering, in particular to a terrace sponge ecosystem and a terrace sponge ecosystem construction method.
Background
With the development of urban construction and environmental awareness of people, a drainage system is increasingly regarded as one of important urban systems. Well and dark culvert are one of current municipal drainage system's component, however, the sewage that flows into well and dark culvert also often carries some rubbish, and current well and dark culvert or not carry out filtration treatment to the sewage that flows in, or only carry out simple filtration to sewage through all setting up metal fence for toward still carrying a large amount of rubbish in the sewage of collection, increased the sewage treatment degree of difficulty.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a terrace sponge ecosystem, which comprises a well, a municipal drainage pipe, a well drainage pipe, a hidden culvert and a water outlet passage, wherein the bottom of the well is communicated with the hidden culvert through the well drainage pipe; the municipal drainage pipe is communicated with the hidden culvert; gabions and stones are placed on the lower surface of the hidden culvert; sewage collected by the well and the municipal drainage pipe flows into the hidden culvert, and flows into the sponge filtering ditch through the water outlet channel to be filtered and collected after being filtered by the gabion and the stones.
In an embodiment of the invention, the sponge filtering ditch is a multi-layer filling structure arranged on plain soil, and comprises stones, a planting soil layer, a permeable geotextile, a gravel layer and a permeable geotextile from top to bottom in sequence.
In one embodiment of the invention, a porous collecting pipe for collecting sewage is embedded in the gravel layer of the sponge filtering ditch.
In one embodiment of the invention, the hidden culvert is arranged below the sidewalk, the hidden culvert is an inclined drainage culvert, and one end of the hidden culvert close to the shaft way is higher than one end of the hidden culvert close to the water outlet channel.
In one embodiment of the invention, a plurality of gabions are stacked on the lower surface of the dark culvert; a plurality of stones set up at dark culvert lower surface and gabion top, push down the gabion that piles up.
In one embodiment of the invention, a well cover is arranged at the top end of the well, and a well cover filter hopper is arranged below the well cover.
The invention also provides a terrace sponge ecosystem construction method, which comprises the following steps:
a hoistway drain pipe is arranged at the bottom of the hoistway and is communicated with the hoistway and the hidden culvert;
stacking gabions on the lower surface of the hidden culvert;
placing stones on the lower surface of the dark culvert and above the gabion;
the sponge filtering channel is arranged on the right side of the water outlet channel.
In one embodiment of the invention, the step of providing the sponge filter groove comprises the following steps:
tamping plain soil;
arranging permeable geotextile above the plain soil;
paving a gravel layer above the permeable geotextile, and paving a porous collecting pipe in the gravel layer;
arranging a layer of permeable geotextile above the gravel layer;
laying a planting soil layer above the permeable geotextile above the gravel layer;
and paving stones above the planting soil layer.
The invention has the beneficial effects that:
according to the terrace sponge ecosystem provided by the invention, the manhole cover filtering hopper is arranged at the bottom of the manhole cover, and the gabion and the stones are arranged on the lower surface of the hidden culvert, so that larger garbage carried in sewage is filtered, after the sewage flows into the sponge filtering ditch, fine garbage in the sewage is filtered through the plurality of filtering layers of the sponge filtering ditch, and the filtered sewage is collected through the collecting pipe. Compared with common wells and hidden culverts, the terrace sponge ecosystem disclosed by the invention can filter out larger garbage and fine garbage in sewage, so that the sewage treatment difficulty is reduced, and the terrace sponge ecosystem disclosed by the invention can also collect filtered sewage, so that the reuse rate of the sewage is increased, and the water is saved.
Additional features and corresponding advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of a well and a hidden culvert part of a terrace sponge ecosystem in the invention;
FIG. 2 is a schematic view of a sponge filtration trench portion of the terrace sponge ecosystem of the present invention;
fig. 3 is an enlarged schematic view of a portion a of fig. 2.
In the drawings: 1. the device comprises a roadway, 2, well covers, 3, a well cover filter hopper, 4, a well, 5, well drainage pipes, 6, municipal drainage pipes, 7, sidewalks, 8, gabions, 9, guard rails, 10, hidden culverts, 11, stones, 12, water outlet channels, 13, planting soil layers, 14, permeable geotextiles, 15, gravel layers, 16, plain soil, 17 and porous collection pipes.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
In the description of the present invention, the relative terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate positions based on the orientations shown in the drawings for convenience of description, and the components are not necessarily required to have the orientations and configurations, and thus, should not be construed as limiting the present invention.
Example 1
This embodiment provides a terraced fields sponge ecosystem, as shown in fig. 1, includes: the device comprises a well 4, a municipal drainage pipe 6, a well drainage pipe 5, a hidden culvert 10 and a water outlet passage 12, and is characterized in that the bottom of the well 4 is communicated with the hidden culvert 10 through the well drainage pipe 5; the municipal drainage pipe 6 is communicated with the hidden culvert 10; the lower surface of the dark culvert 10 is provided with a gabion 8 and stones 11; the sewage collected by the well 4 and the municipal drainage pipes 6 flows into the culvert 10, and after being filtered by the gabion 8 and the stones 11, flows into the sponge filter channel through the water outlet channel 12 for filtering and collection.
Among the above components, the hoistway 4 is provided between the roadway 1 and the sidewalk 7, and sewage on the roadway 1 and the sidewalk 7 can be discharged into the hoistway. The top end of the well 4 is provided with a well cover 2; the well lid 2 below is provided with the well lid filter hopper that blocks the well road junction, can carry out the prefilter to the sewage that flows in, filters the great rubbish of partly in the sewage. The bottom of the well 4 is provided with a well drain pipe 5, the well drain pipe 5 is communicated with the well 4 and the hidden culvert 10, and sewage in the well 4 can flow into the hidden culvert 10 through the well drain pipe 5. Preferably, the height of the shaft is set to 30-50 cm, the diameter of the shaft is set to 30 cm,
the hidden culvert 10 is arranged below the sidewalk 7, the hidden culvert 10 is an inclined concrete drainage culvert, one end close to the well 4 is higher than one end close to the water outlet channel 12, and therefore sewage in the hidden culvert 10 can be discharged through the water outlet channel 12 along the lower surface of the hidden culvert 10. Still communicate on the blind culvert 10 lateral wall municipal administration drain pipe 6, municipal administration sewage is in the duct 10 through municipal administration drain pipe 6 discharge.
The gabion 8 is composed of a metal net and small stones, the whole metal net is filled with the small stones, and the sizes of the small stones are larger than meshes of the metal net. The size of the gabion 8 can be adjusted according to actual conditions, and preferably, the gabion 8 can be set to be a cuboid with the length of 10 centimeters, the width of 6 centimeters and the height of 6 centimeters. A plurality of gabions 8 are stacked on the lower surface of the culvert 10 to form a gabion stack as shown in figure 1.
The lower surface of the dark culvert 10 is also provided with stones 11, the size of the stones 11 can be selected according to actual conditions, and preferably, stones with the block diameter of 15-30 cm can be selected as the stones 11. The plurality of stones 11 cover the lower surface of the hidden culvert 10, and the plurality of stones 11 are also arranged above the gabion stack and press the stacked gabions 8; preferably, the block 11 has a diameter of 15-30 cm.
As shown in fig. 2, a sponge filtering groove is provided at the right side of the water outlet channel 12, and the sponge filtering groove is a multi-layer filling structure provided on the plain soil 16 and is in a "U" shape. As shown in fig. 3, the sponge filtering ditch is sequentially provided with stones 11, a planting soil layer 13, a permeable geotextile 14, a gravel layer 15 and a permeable geotextile 14 from top to bottom; preferably, the tamping degree of the plain soil 16 is not less than 0.95, sharp objects such as tree roots, shells and the like cannot be formed in the thickness of 50 cm below the plain soil 16, the thickness of the gravel layer 15 is 20 cm, the particle size of the gravel is 3-5 cm, the thickness of the planting soil layer 13 is 10-25 cm, and the block diameter of the stone 11 is 15-30 cm. The planting soil layer 13 can be planted with vegetation. A porous collection pipe 17 for collecting sewage is embedded in the gravel layer 15. The sewage flowing out of the water outlet channel 12 is filtered by the stones 11, the planting soil layer 13 and the gravel layer 15 from top to bottom, so that small garbage in the sewage is removed, and the filtered sewage is collected by the porous collecting pipe 17.
Obviously, the terrace sponge ecosystem provided by the invention can filter larger garbage and smaller garbage in sewage, reduce the difficulty of sewage treatment, and can collect the filtered sewage for secondary utilization, thereby achieving the effect of saving water.
Example 2
The embodiment provides a terrace sponge ecosystem construction method for building the terrace sponge ecosystem in the embodiment 1, and the construction method comprises the following steps:
a hoistway drainage pipe 5 is arranged at the bottom of the hoistway 4 and is communicated with the hoistway 4 and the hidden culvert 10;
piling a gabion 8 on the lower surface of the hidden culvert 10;
placing stones 11 on the lower surface of the dark culvert 10 and above the gabion 8;
a sponge filtering channel is arranged on the right side of the water outlet channel 12.
The well 4 is arranged between the roadway 1 and the sidewalk 7, and sewage on the roadway 1 and the sidewalk 7 can be discharged into the well. The top end of the well 4 is provided with a well cover 2; the well lid 2 below is provided with the well lid filter hopper that blocks the well road junction, can carry out the prefilter to the sewage that flows in, filters the great rubbish of partly in the sewage. The bottom of the well 4 is provided with a well drain pipe 5, the well drain pipe 5 is communicated with the well 4 and the hidden culvert 10, and sewage in the well 4 can flow into the hidden culvert 10 through the well drain pipe 5. Preferably, the height of the shaft is set to 30-50 cm, the diameter of the shaft is set to 30 cm,
the hidden culvert 10 is arranged below the sidewalk 7, the hidden culvert 10 is an inclined concrete drainage culvert, one end close to the well 4 is higher than one end close to the water outlet channel 12, and therefore sewage in the hidden culvert 10 can be discharged through the water outlet channel 12 along the lower surface of the hidden culvert 10. Still communicate on the blind culvert 10 lateral wall municipal administration drain pipe 6, municipal administration sewage is in the duct 10 through municipal administration drain pipe 6 discharge.
The gabion 8 is composed of a metal net and small stones, the whole metal net is filled with the small stones, and the sizes of the small stones are larger than meshes of the metal net. The size of the gabion 8 can be adjusted according to actual conditions, and preferably, the gabion 8 can be set to be a cuboid with the length of 10 centimeters, the width of 6 centimeters and the height of 6 centimeters. A plurality of gabions 8 are stacked on the lower surface of the culvert 10 to form a gabion stack as shown in figure 1.
The lower surface of the dark culvert 10 is also provided with stones 11, the size of the stones 11 can be selected according to actual conditions, and preferably, stones with the block diameter of 15-30 cm can be selected as the stones 11. The plurality of stones 11 cover the lower surface of the hidden culvert 10, and the plurality of stones 11 are also arranged above the gabion stack and press the stacked gabions 8; preferably, the block 11 has a diameter of 15-30 cm.
As shown in fig. 2, the sponge filtering groove is located at the right side of the water outlet channel 12, and the sponge filtering groove is a multi-layer filling structure arranged on the plain soil 16 and is in a U shape. As shown in fig. 3, the sponge filtering ditch comprises stones 11, a planting soil layer 13, a permeable geotextile 14, a gravel layer 15 and a permeable geotextile 14 from top to bottom in sequence
In the terrace sponge ecosystem construction method provided by the embodiment, the sponge filtering ditch is arranged, and the method comprises the following steps:
tamping the plain soil 16 to form a U-shaped plain soil ditch, wherein the tamping degree of the plain soil 16 is not less than 0.95, and sharp objects such as tree roots, shells and the like cannot be obtained within 50 cm of the thickness below the plain soil 16;
arranging a permeable geotextile 14 above the plain soil 16;
paving a gravel layer 15 above the permeable geotextile 14, and paving a porous collecting pipe 17 in the gravel layer 15, wherein the thickness of the gravel layer 15 is 20 cm, and the particle size of gravel is 3-5 cm;
a layer of permeable geotextile 14 is arranged above the gravel layer 15;
a planting soil layer 13 is laid above the permeable geotextile 14 above the gravel layer 15, and the thickness of the planting soil layer 13 is 10-25 cm;
and paving the stone blocks 11 above the planting soil layer 13, wherein the block diameter of the stone blocks 11 is 15-30 cm.
Obviously, the terrace sponge ecosystem built by the terrace sponge ecosystem construction method can filter larger garbage and smaller garbage in sewage, reduces the sewage treatment difficulty, can collect the filtered sewage for secondary utilization, and achieves the effect of saving water.
The foregoing is a preferred embodiment of the present invention, and it should be understood that those skilled in the art can derive the related technical solutions through logic analysis, reasoning or experiment based on the concepts of the present invention without creative efforts, and therefore, the related technical solutions should be within the protection scope of the present claims.

Claims (8)

1. A terrace sponge ecosystem comprises a well (4), a municipal drainage pipe (6), a well drainage pipe (5), a hidden culvert (10) and a water outlet passage (12), and is characterized in that the bottom of the well (4) is communicated with the hidden culvert (10) through the well drainage pipe (5); the municipal drainage pipe (6) is communicated with the hidden culvert (10); the lower surface of the hidden culvert (10) is provided with a gabion (8) and stones (11); sewage collected by the well (4) and the municipal drainage pipe (6) flows into the hidden culvert (10), and flows into the sponge filtering ditch through the water outlet channel (12) for filtering and collection after being filtered by the gabion (8) and the stone (11).
2. The terrace sponge ecosystem of claim 1, wherein the sponge filter trench is a multi-layer filling structure disposed on plain soil (16), and comprises stones (11), a planting soil layer (13), a permeable geotextile (14), a gravel layer (15) and a permeable geotextile (14) from top to bottom.
3. Terrace sponge ecosystem according to claim 2, characterized in that a porous collection pipe (17) for collecting sewage is embedded in the gravel layer (15) of the sponge filtration trench.
4. Terrace sponge ecosystem as claimed in claim 3, characterized in that the culvert (10) is arranged below the sidewalk (7), the culvert (10) is an inclined drainage culvert, and the end of the culvert (10) close to the shaft (4) is higher than the end close to the outlet channel (12).
5. Terrace sponge ecosystem as claimed in claim 4, characterized in that a plurality of gabions (8) are stacked on the lower surface of the culvert (10); a plurality of stones (11) are arranged on the lower surface of the hidden culvert (10) and above the gabions (8) and press the stacked gabions (8).
6. Terrace sponge ecosystem according to any one of claims 1 to 5, characterized in that the top of the well (4) is provided with a well cover (2) and below it is provided with a well cover filter hopper (3).
7. A terrace sponge ecosystem construction method is characterized by comprising the following steps:
a hoistway drainage pipe (5) is arranged at the bottom of the hoistway (4) and is communicated with the hoistway (4) and the hidden culvert (10);
piling a gabion (8) on the lower surface of the hidden culvert (10);
placing stones (11) on the lower surface of the dark culvert (10) and above the gabion (8);
a sponge filtering groove is arranged on the right side of the water outlet channel (12).
8. The terrace sponge ecosystem construction method according to claim 7, wherein the sponge filtering ditch is arranged by the following steps:
tamping plain soil (16);
arranging permeable geotextile (14) above the plain soil (16);
paving a gravel layer (15) above the permeable geotextile (14), and paving a porous collecting pipe (17) in the gravel layer (15);
a layer of permeable geotextile (14) is arranged above the gravel layer (15);
a planting soil layer (13) is laid above the permeable geotextile (14) above the gravel layer (15);
stones (11) are laid above the planting soil layer (13).
CN202010852096.XA 2020-08-21 2020-08-21 Terrace sponge ecosystem and terrace sponge ecosystem construction method Pending CN112031117A (en)

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CN202010852096.XA CN112031117A (en) 2020-08-21 2020-08-21 Terrace sponge ecosystem and terrace sponge ecosystem construction method

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Application Number Priority Date Filing Date Title
CN202010852096.XA CN112031117A (en) 2020-08-21 2020-08-21 Terrace sponge ecosystem and terrace sponge ecosystem construction method

Publications (1)

Publication Number Publication Date
CN112031117A true CN112031117A (en) 2020-12-04

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100755894B1 (en) * 2006-12-18 2007-09-06 동서철강 주식회사 The construction method of pro-environment breast with gabions
CN106171096A (en) * 2016-08-30 2016-12-07 岭南新科生态科技研究院(北京)有限公司 The structure of the Rain Garden that a kind of trapezoidal gabion encloses and construction method thereof
CN207998908U (en) * 2018-02-02 2018-10-23 中国一冶集团有限公司 A kind of rainwater comprehensive utilization system for sponge urban architecture
CN209482092U (en) * 2019-01-25 2019-10-11 重庆市市政设计研究院 Suitable for the sponge city system of biological stranded belt is arranged outside town road red line

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100755894B1 (en) * 2006-12-18 2007-09-06 동서철강 주식회사 The construction method of pro-environment breast with gabions
CN106171096A (en) * 2016-08-30 2016-12-07 岭南新科生态科技研究院(北京)有限公司 The structure of the Rain Garden that a kind of trapezoidal gabion encloses and construction method thereof
CN207998908U (en) * 2018-02-02 2018-10-23 中国一冶集团有限公司 A kind of rainwater comprehensive utilization system for sponge urban architecture
CN209482092U (en) * 2019-01-25 2019-10-11 重庆市市政设计研究院 Suitable for the sponge city system of biological stranded belt is arranged outside town road red line

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