CN112064769A - Coupling type rainwater pipe network optimization structure - Google Patents

Coupling type rainwater pipe network optimization structure Download PDF

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Publication number
CN112064769A
CN112064769A CN202011083408.1A CN202011083408A CN112064769A CN 112064769 A CN112064769 A CN 112064769A CN 202011083408 A CN202011083408 A CN 202011083408A CN 112064769 A CN112064769 A CN 112064769A
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rainwater
well
solid
liquid separation
pipe network
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金文涛
郑东凤
赵奉俊
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China Construction Third Bureau Green Industry Investment Co Ltd
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China Construction Third Bureau Green Industry Investment Co Ltd
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Priority to CN202011083408.1A priority Critical patent/CN112064769A/en
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/04—Pipes or fittings specially adapted to sewers
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06—Gully gratings
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/001—Runoff or storm water
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108—Rainwater harvesting

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Sewage (AREA)

Abstract

The application provides a manifold type rainwater pipe network optimization structure belongs to the municipal construction field. The device comprises a water recovery well and a solid-liquid separation well; the water collecting well is communicated with the solid-liquid separation well through a large-caliber rainwater drainage pipeline; the outer side of the solid-liquid separation well is communicated with an outer water collecting tank, and the outer side of the outer water collecting tank is connected with a Z-shaped large-caliber rainwater drainage pipeline. The device has increased rainwater flux and rainwater effectively and has stored the volume, and simultaneously, its inside rainwater suspended solid separation effect is obvious, greatly reduced the inside rainwater waterlogging in city and the outer risk of polluting of arranging of rainwater, alleviateed the load of municipal sewage treatment facility.

Description

Coupling type rainwater pipe network optimization structure
Technical Field
The application relates to the municipal construction field, especially relates to a coupled rainwater pipe network optimization structure.
Background
As an important resource for human beings to live and develop, water has an inseparable relationship with the urbanization development, and an urban water system is used as a carrier for building the urban landscape space environment and an important mark for reflecting the urban grade as the foundation for the existing and developing cities. The urban water system problem reflected under the beautiful urban background is that firstly 'water safety lacks guarantee', the urban rapid development causes ground subsidence and urban waterlogging, the urban rapid development damages the natural pattern of the ground surface and the natural water circulation system, and further causes the ground subsidence and the urban waterlogging, the urban rapid development indirectly affects the precipitation law over the city, so that the urban interior has 'heat island effect' and 'turbid island effect', and the like, and the ground hardening is serious due to the imperfection of the urban drainage system, and further the urban water system is fished when raining, the city is not fresh for seeing the sea, and the sponge city as a low-impact development mode enters the urban development process due to the social background.
The sponge city is a sustainable city construction mode described from the city rainfall flood management perspective, and how to improve the effects of sewage purification and rainwater utilization in the city is urgent.
Disclosure of Invention
An object of this application lies in providing a manifold type rainwater pipe network optimization structure, aims at improving current municipal sewage and discharges and utilize the poor problem of effect.
The technical scheme of the application is as follows:
a coupling rainwater pipe network optimization structure comprises a water collecting well and a solid-liquid separation well; the water collection well is communicated with the solid-liquid separation well through a large-caliber rainwater drainage pipeline; the outer side of the solid-liquid separation well is communicated with an outer water collecting tank, and the outer side of the outer water collecting tank is connected with a Z-shaped large-caliber rainwater drainage pipeline; the pipe diameter range of the large-diameter rainwater drainage pipeline is
Figure BDA0002719502490000021
Wherein Q is1For the construction of the area, the rainfall is equal in three years, L1The Kz range is 1.1-1.3 for the total length of the rainwater pipe network in the service range of the construction area.
As a technical scheme of the application, a rainwater grate is arranged above the interior of the water collection well, and a fine grid is fixedly arranged below the rainwater grate; the thickness of the fine grid is greater than or equal to 10mm, and the aperture is 5-10 mm.
As a technical scheme of the application, the solid-liquid separation well is sequentially provided with a rainwater grate, a fine grid, a clear water collecting tank, a plurality of layers of inclined plates, a spoiler and a sludge settling chamber from top to bottom; the plurality of layers of inclined plates are obliquely arranged between the flow baffle and the clean water collecting tank; the bottom of the sludge settling chamber is of an inverted trapezoid structure and is connected to a sewage pump through a sewage discharge pipe.
As a technical scheme of the application, the inclination angle of the multilayer inclined plates is 50-60 degrees, the length of the single-layer inclined plates is 0.8-1.0 m, the distance between every two adjacent inclined plates is 80-100 mm, and the tops of the inclined plates face the direction of one inner side wall of the solid-liquid separation well close to the water collection well.
As a technical scheme of this application, the well cross-sectional area of solid-liquid separation well reforms transform and takes the value to Q1/vmax～Q1/vminWherein Q is1Is the regional three-year average rainfall, vmin～vmaxThe range of the flow rate is 0.4 mm/s-0.6 mm/s; the well depth transformation condition of the solid-liquid separation well needs to satisfy hWell depth modification range≥HSign board+1m, the liquid level treatment load q of the solid-liquid separation well is increased and controlled to be 6-10 m3/m2·h。
As a technical scheme of this application, the overflow mouth has been seted up to one side of clear water collecting vat, and through the overflow mouth communicate in outer water catch bowl.
As a technical scheme of this application, the pipe diameter of blow off pipe is more than or equal to 200 mm.
As a technical scheme of this application, heavy-calibre rainwater drainage pipe Z type heavy-calibre rainwater drainage pipe and the material of blow off pipe is including adopting the prevention of seepage material.
As a technical scheme of this application, heavy-calibre rainwater drainage pipe with Z type heavy-calibre rainwater drainage pipe's pipe diameter is the same.
The beneficial effect of this application:
the utility model provides an among the coupled rainwater pipe network optimization structure, it is through increaseing urban rainwater drainage pipeline's pipe diameter, add inside at regional end and utilize the inclined plate to deposit the solid-liquid separation well that the structure realized solid-liquid separation, and increase thin grid inside the solid-liquid separation well, thereby realized the increase of rainwater flux on the whole, the effect of the increase of rainwater storage volume and the inside rainwater suspended solid separation volume's of rainwater regulation system obvious increase, carry out the inside normal transmission of urban rainwater through the difference of ground contour line at last and discharge, greatly reduced the inside rainwater waterlogging of city and the outer risk of polluting of arranging of rainwater, the treatment load of municipal sewage treatment facility has been alleviateed.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic view of an optimized structure of a coupled rainwater pipe network according to an embodiment of the present disclosure.
Icon: 1-coupling type rainwater pipe network optimization structure; 2-a water collecting well; 3-a solid-liquid separation well; 4-large diameter rainwater drainage pipeline; 5-outer water collecting tank; 6-Z type large-caliber rainwater drainage pipeline; 7-rain water grate; 8-fine grating; 9-clear water collecting tank; 10-a sloping plate; 11-a spoiler; 12-a sludge settling chamber; 13-an overflow port; 14-a sewage draining pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.
Further, in the present application, unless expressly stated or limited otherwise, the first feature may be directly contacting the second feature or may be directly contacting the second feature, or the first and second features may be contacted with each other through another feature therebetween, not directly contacting the second feature. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Example (b):
referring to fig. 1, the present application provides a coupling type rainwater pipe network optimization structure 1, which includes a water collection well 2 and a solid-liquid separation well 3; wherein the bottom of the water collecting well 2 is communicated with the solid-liquid separation well 3 through a large-caliber rainwater drainage pipeline 4; the outer side of the solid-liquid separation well 3 is communicated with an outer water collecting tank 5, and the outer side of the outer water collecting tank 5 is connected with a Z-shaped large-caliber rainwater drainage pipeline 6. The maximum liquid level difference of the two pipelines of the large-diameter rainwater drainage pipeline 4 and the Z-shaped large-diameter rainwater drainage pipeline 6 is designed according to regional precipitation so as to increase rainwater storage capacity.
The water collecting well 2 is the water collecting well 2 which accords with municipal construction standards, and the solid-liquid separation well 3 can realize the effects of increasing the rainwater flux collected in the region, delaying the rainwater evaporation time and indirectly adjusting the urban microclimate to a certain extent.
Further, in the embodiment, a rainwater grate 7 is fixedly installed above the inside of the water collecting well 2, a water inlet hole is formed in the rainwater grate 7, and a fine grid 8 is fixedly arranged at a position 100-200 mm below the rainwater grate 7; the thickness of this fine grid 8 is more than or equal to 10mm, and the aperture is 5 ~ 10mm, and this fine grid 8 is with the floater of preliminary filtration rainwater runoff carrying.
Meanwhile, the solid-liquid separation well 3 is sequentially provided with a rainwater grate 7, a fine grid 8, a clear water collecting tank 9, a multi-layer inclined plate 10, a spoiler 11 and a sludge settling chamber 12 from top to bottom, and the sludge settling chamber 12 is in a solid stateThe bottom of the liquid separation well 3 is communicated with the water collection well 2 through a large-caliber rainwater drainage pipe 4; meanwhile, the multilayer inclined plates 10 are obliquely arranged between the flow baffle 11 and the clear water collecting tank 9, the distance between the upper layer clear liquid and the lower layer clear liquid of the inclined plates 10 is not less than 1.0m, and the distance between the lower part of the inclined plates 10 and the bottom of the sludge settling chamber 12 is not less than 1.0 m; the bottom of the sludge settling chamber 12 is of an inverted trapezoid structure, the sludge settling chamber 12 facilitates settling of suspended matters in rainwater, and a movable sewage pump with a lift of 6-10 m, namely a screw pump or a submersible sewage pump, is arranged on the ground of the solid-liquid separation well 3 and is used for periodically cleaning suspended matters in the sludge settling chamber 12 and recycling rainwater in a regulation and storage system. Meanwhile, the liquid level load of the solid-liquid separation well 3 needs to be controlled to be 6-12 m3/m2H to separate the suspended matter of the rainwater inside the rainwater storage system in the present system.
The solid-liquid separation well 3 is positioned in a manner that the tail end of the region is increased, and the comprehensive solid-liquid separation well 3 is divided into a region gathering part (the lowest relief part) according to the topographic contour line of the region, so that the reconstruction engineering quantity of the municipal water collection well 2 can be reduced.
In this embodiment, the inclination angle of the multi-layer inclined plate 10 is 50 to 60 °, the length of the single-layer inclined plate 10 is 0.8 to 1.0m, the distance between adjacent inclined plates 10 is 80 to 100mm, and the top of the inclined plate 10 is disposed toward the solid-liquid separation well 3 in the direction toward one inner side wall of the water collection well 2.
The transformation value of the well sectional area of the solid-liquid separation well 3 is limited to Q1/vmax～Q1/vminWherein Q is1Is the regional three-year average rainfall, vmin～vmaxThe range of the value of (1) is 0.4 mm/s-0.6 mm/s of the ascending flow velocity of the inclined plate 10; the well depth transformation conditions need to meet the following requirements: h isDepth range of well depth modification≥HSign board+1.0m, wherein, HSign boardFor the standard well depth of the municipal water recovery well, the solid-liquid separation well 3 is additionally provided with a liquid level control treatment load q of 6-10 m3/m2·h。
Meanwhile, one side of the clear water collecting tank 9 is provided with an overflow port 13 which is communicated with the outer water collecting tank 5 through the overflow port 13; the bottom of the clear water collecting tank is flush with the bottom elevation at the front end of the Z-shaped large-caliber drain pipe.
It should be noted that, in this embodiment, the pipe diameter of the sewage pipe 14 is greater than or equal to 200mm, and the sewage pipe 14 is to reserve an outlet on the ground, so as to facilitate subsequent treatment of the sludge in the system by using a ground movable small pump or reuse of rainwater.
In this embodiment, the large-diameter rainwater drainage pipeline 4, the Z-shaped large-diameter rainwater drainage pipeline 6 and the sewage discharge pipe 14 are made of impermeable materials. In addition, the diameter of the large-diameter rainwater drainage pipeline 4 can be the same as that of the Z-shaped large-diameter rainwater drainage pipeline 6, and the two pipelines adopt pipelines with enlarged pipe diameters for drainage, so that the rainwater flux can be effectively increased.
Furthermore, the rainwater collection pipe network is arranged to be low in inlet and high out according to an overflow mode, and the pipe diameters of the large-diameter rainwater drainage pipe 4 and the Z-shaped large-diameter rainwater drainage pipe 6 cannot exceed the corresponding pipe diameters when the minimum design flow rate of a rainwater pipe channel (in a full flow state) in the outdoor drainage design specification is achieved. The pipe diameters of the large-diameter rainwater drainage pipeline 4 and the Z-shaped large-diameter rainwater drainage pipeline 6 are controlled and reconstructed to be within the range
Figure BDA0002719502490000071
Is the maximum value of, wherein Q1For the construction of the area, the rainfall is equal in three years, L1The total length of the rainwater pipe network for the catchment area of the construction area and the Kz are determined according to the catchment area of the construction area, the building density condition, the terrain gradient, the ground coverage, the regional climate characteristic and the like, and the value is controlled to be 1.1-1.3.
The device is implemented according to the structure, and the implementation process is as follows:
1, calculating annual average rainfall of the construction area:
selecting Q according to the three-year average rainfall value of the construction area1Multiplying the design change coefficient Kz by 1.1-1.3 to obtain the annual average rainfall Q of the construction area;
2, counting the length summary data L of the rainwater pipe network in the service range of the construction area1；
3, calculating the sectional area S of the large-diameter rainwater drainage pipeline 4 of the water collection well 2 to be Q/L1＝(Kz×Q1)/L1Further obtain the pipe diameters of the large-diameter rainwater drainage pipe 4 of the water collecting well 2 and the Z-shaped large-diameter rainwater drainage pipe 6
Figure BDA0002719502490000072
4, the pipe diameters d and the value range of the obtained large-diameter rainwater drainage pipes 4 and Z-shaped large-diameter rainwater drainage pipes 6 are set as
Figure BDA0002719502490000081
Comparing the pipe diameter ranges, and taking the maximum pipe diameter value in the interval while meeting the specification;
5, calculating Q according to the rainwater flux, and loading the liquid level in the solid-liquid separation well 3 by 6.0-12 m3/m2H, an internal inclined plate 10 sedimentation structure is designed to play a role in purifying rainwater. The inclination angle of the sludge settling chamber 12 at the bottom is set within the range of 50-55 degrees, and the sludge settling chamber 12 is used for collecting suspended matters precipitated by rainwater on one hand and facilitating the cleaning of the solid-liquid separation well 3 and the pumping drainage of reused water on the other hand;
6, the bottom of the clear water collecting tank connected with the rear part of the solid-liquid separation well 3 is the bottom elevation of the front end of the Z-shaped large-diameter drain pipe;
7, on the premise of meeting the annual average rainfall storage capacity of the region, a clear water overflow port 13 and an outer water collecting tank 5 are arranged at the position where the depth of a buried pipe with the ground is not less than 700mm, and a sludge discharge pump and a water suction pump are arranged above the ground, so that the amount of manual dredging and maintenance engineering is reduced, and meanwhile, rainwater is stored in the water collecting well 2 again, and water resources are saved;
it should be noted that, in this embodiment, the dual-purpose pipe orifice for discharging sewage (taking water) needs to be away from the bottom of the solid-liquid separation well 3 by a certain distance to prevent the blockage of the water pump inlet, thereby affecting the service life of the ground water pump.
Overall, this device can be less the construction work volume of underground cistern effectively, can increase the rainwater infiltration volume, enlarges rainwater drainage pipe diameter, adds means such as solid-liquid separation well 3 and add the water catch bowl through reforming transform rainwater pipe network water head simultaneously and has increaseed the rainwater storage capacity, has purified outer row rainwater quality of water simultaneously. Compared with the original municipal rainwater pipe network, the rainwater flow is increased, the rainwater evaporation is delayed, and the urban heat island effect is indirectly relieved; the rainwater storage capacity is increased after the rainwater pipe network system is optimized, the urban waterlogging risk is reduced, the water quantity of urban reuse water is increased, and the water resource is greatly saved; after the fine grating 8 is added in the solid-liquid separation well 3 additionally arranged at the tail end of the water collection well 2 and the inclined plate 10 is added in the solid-liquid separation well 3 to deposit the structure, the floating materials and the suspended matters in the rainwater are separated from thick to thin, the quality of the rainwater is primarily purified, the risk of pollution caused by the drainage of the initial rainwater is reduced, and the workload of municipal treatment facilities is also lightened.
The utility model provides an among the coupled rainwater pipe network optimization structure 1, it is through increaseing urban rainwater drainage pipeline's pipe diameter, add inside at regional end and utilize swash plate 10 to precipitate the solid-liquid separation well 3 that the structure realized solid-liquid separation, and at the inside thin grid 8 that increases of solid-liquid separation well 3, thereby the increase of rainwater flux has been realized on the whole, the effect of the increase of rainwater storage volume and the obvious increase of the inside rainwater suspended solid separation volume of rainwater regulation system, carry out the inside normal transmission of urban rainwater through the gap of ground contour line at last and discharge, greatly reduced the inside rainwater waterlogging of city and the outer risk of polluting of arranging of rainwater, the treatment load of municipal sewage treatment facility has been alleviateed.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (9)

1. A coupling rainwater pipe network optimization structure is characterized by comprising a water collecting well and a solid-liquid separation well; the water collection well is communicated with the solid-liquid separation well through a large-caliber rainwater drainage pipeline; the outer side of the solid-liquid separation well is communicated with an outer water collecting tank, and the outer side of the outer water collecting tank is connected with a Z-shaped large-caliber rainwater drainage pipeline; the pipe diameter range of the large-diameter rainwater drainage pipeline is
Figure FDA0002719502480000011
Wherein Q is1For the construction of the area, the rainfall is equal in three years, L1The Kz range is 1.1-1.3 for the total length of the rainwater pipe network in the service range of the construction area.
2. The coupling type rainwater pipe network optimizing structure of claim 1, wherein a rainwater grate is installed above the interior of the water collection well, and a fine grid is fixedly arranged below the rainwater grate; the thickness of the fine grid is greater than or equal to 10mm, and the aperture is 5-10 mm.
3. The optimization structure of the coupling type rainwater pipe network according to claim 1, wherein the solid-liquid separation well is provided with a rainwater grate, a fine grid, a clear water collecting tank, a plurality of layers of inclined plates, a flow baffle plate and a sludge settling chamber from top to bottom in sequence; the plurality of layers of inclined plates are obliquely arranged between the flow baffle and the clean water collecting tank; the bottom of the sludge settling chamber is of an inverted trapezoid structure and is connected to a sewage pump through a sewage discharge pipe.
4. The coupling-type rainwater pipe network optimization structure of claim 3, wherein the inclination angle of the plurality of layers of inclined plates is 50-60 degrees, the length of the single layer of inclined plates is 0.8-1.0 m, the distance between the adjacent inclined plates is 80-100 mm, and the top of each inclined plate is arranged towards the direction of one inner side wall of the solid-liquid separation well close to the water collection well.
5. The optimization structure of the coupling-type rainwater pipe network according to claim 3, wherein the well cross-sectional area of the solid-liquid separation well is modified to be Q1/vmax～Q1/vminWherein Q is1The rainfall is the three-year average rainfall of the construction area; v. ofmin～vmaxThe value range of (A) is the ascending flow velocity of the inclined plate, and the range of (A) is 0.4 mm/s-0.6 mm/s; the well depth transformation condition of the solid-liquid separation well needs to satisfy hDepth of wellScope of modification≥HSign board+1m, wherein HSign boardThe standard well depth of the municipal water collection well; the solid-liquid separation well is additionally provided with a liquid level control treatment load q of 6-10 m3/m2·h。
6. The optimization structure of the coupled rainwater pipe network of claim 3, wherein an overflow port is opened at one side of the clean water collecting tank and is communicated with the outer water collecting tank through the overflow port.
7. The coupling-type rainwater pipe network optimized structure of claim 3, wherein the pipe diameter of the sewage draining pipe is greater than or equal to 200 mm.
8. The coupled rainwater pipe network optimized structure of claim 3, wherein the large-caliber rainwater drainage pipeline, the Z-shaped large-caliber rainwater drainage pipeline and the sewage discharge pipe are made of impermeable materials.
9. The coupled rainwater pipe network optimized structure of claim 1, wherein the large-caliber rainwater drainage pipeline and the Z-shaped large-caliber rainwater drainage pipeline have the same pipe diameter.
CN202011083408.1A 2020-10-12 2020-10-12 Coupling type rainwater pipe network optimization structure Pending CN112064769A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112755869A (en) * 2021-01-25 2021-05-07 黄河水利职业技术学院 Continuous treatment device and method for urban sewage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112755869A (en) * 2021-01-25 2021-05-07 黄河水利职业技术学院 Continuous treatment device and method for urban sewage
CN112755869B (en) * 2021-01-25 2021-08-10 黄河水利职业技术学院 Continuous treatment device and method for urban sewage

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