CN114517506A - Initial rainwater recycling device and initial rainwater recycling method - Google Patents
Initial rainwater recycling device and initial rainwater recycling method Download PDFInfo
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- CN114517506A CN114517506A CN202011302595.8A CN202011302595A CN114517506A CN 114517506 A CN114517506 A CN 114517506A CN 202011302595 A CN202011302595 A CN 202011302595A CN 114517506 A CN114517506 A CN 114517506A
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- 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
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/001—Methods, systems, or installations for draining-off sewage or storm water into a body of water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
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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
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
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- 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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Abstract
The invention relates to the field of collection and application of initial rainwater and discloses a device and a method for recycling the initial rainwater, wherein the device comprises a rainwater collection dark culvert (2), an initial rainwater regulating tank (3), an overflow dark culvert (4) and an initial rainwater drainage pump station (5), wherein the rainwater collection dark culvert is used for converging rainwater collected by a rainwater pipe (1) into the initial rainwater regulating tank, and the upper port of the initial rainwater regulating tank is communicated with the overflow dark culvert which can drain rainwater overflowing from the initial rainwater regulating tank to a river channel (0); and a first rain removal pump (501) of the first rain removal pump station is arranged at the lower end of the first rain adjusting tank and is used for pumping rainwater in the first rain adjusting tank to a municipal sewage pipeline. The invention solves the technical problems that rainwater cannot enter a municipal sewage pipe and various impurities are mixed and directly discharged into a river to cause the pollution of a river water body and the influence of river landscape due to the lack of a device and a method for recovering and treating initial rainwater in municipal management.
Description
Technical Field
The invention relates to the field of collection and application of initial rainwater, in particular to a device and a method for recycling the initial rainwater.
Background
The initial rainwater generally refers to runoff formed by rainfall of 10-15 mm, and the runoff enters a ground water body after leaching atmosphere, scouring road surfaces, urban buildings and urban wastes, so that the pollution degree is high, the urban water source pollution is aggravated, the sustainable utilization of water resources is influenced, and the crisis of water resource shortage is aggravated.
The scale calculation method for the initial rainwater interception system has less domestic and foreign researches. At present, many methods are only suitable for engineering designs with small rain collecting areas such as building districts and roofs, for example, the initial rainfall is obtained by multiplying the maximum local rainfall depth by the pollution area and is used as the effective volume of a regulating reservoir. This method is obviously not suitable for the scale calculation of initial rainwater interception at the total watershed.
The initial rainwater amount of the city is large, the gathering time is short, and the urban water reclamation plant does not have enough load to process the initial rainwater. In addition, the treatment capacity and the collection land of initial rainwater are considered when planning in a fresh urban reclaimed water plant in China, and the scale of the initial rainwater is not considered in a municipal sewage pipe network.
Disclosure of Invention
The invention aims to overcome the technical problems that rainwater cannot enter a municipal sewage pipe and various impurities are mixed to be directly discharged into a river to cause the pollution of a river water body and the influence on river landscape due to the lack of a device and a method for recovering and treating initial rain in municipal management. The invention provides a device and a method for recycling initial rainwater, which aim to solve the technical problems.
In order to achieve the above object, an aspect of the present invention provides a device for recycling initial rainwater;
the initial rainwater recycling device comprises a rainwater collecting dark culvert, an initial rainwater adjusting tank, an overflow dark culvert and an initial rainwater discharging pump station, wherein,
the rainwater collecting dark culvert is used for converging rainwater collected by the rainwater pipe into the primary rainwater adjusting tank, and the upper port of the primary rainwater adjusting tank is communicated with an overflow dark culvert which can discharge rainwater overflowing from the primary rainwater adjusting tank to a river channel;
the first rain of the first rain removal pump station is arranged at the lower end of the first rain adjusting tank so as to pump the rainwater in the first rain adjusting tank to the municipal sewage pipeline.
According to the device for recycling the initial rainwater, due to the arrangement of the structure, rainwater is collected by the rainwater collection dark culvert, primary rainwater carrying various impurities is prevented from directly flowing into a river channel, the primary rainwater adjusting tank is arranged for receiving and storing the primary rainwater collected by the rainwater collection dark culvert so as to achieve the effects of standing and precipitating, the primary rainwater drainage pump station is arranged for pumping the rainwater in the primary rainwater adjusting tank to a municipal sewage pipeline for recycling, and meanwhile, the rainwater overflowing from the primary rainwater adjusting tank due to overlarge rainwater flow can be drained into the river channel by the arrangement of the overflow dark culvert, so that the rainwater collection dark culvert and the rainwater in the primary rainwater adjusting tank are prevented from flowing back, and the collection effect of the initial rainwater is prevented from being influenced; therefore, the technical problems that rainwater cannot enter a municipal sewage pipe and various impurities are mixed and directly discharged into a river to cause the pollution of a river water body and the influence of river landscape due to the lack of a device and a method for recovering and treating the initial rainwater in municipal management are solved.
Preferably, the communication port of the overflow culvert and the river channel is arranged below the preset water level of the river channel.
Preferably, the bottom wall of the overflow dark culvert is not higher than the height of the bottom wall of the rainwater collection dark culvert, and the height of the bottom wall of the overflow dark culvert is higher than the height of a preset rainwater deposition layer of the primary rainwater adjusting tank.
Preferably, the bottom wall of the overflow culvert is flush with the top surface of the primary rain adjusting tank.
Preferably, a plurality of rainwater pipe networks formed by the rainwater pipes converge rainwater to an initial rainwater regulation pool arranged at least one port of the rainwater pipe network and/or the rainwater collecting culvert through the rainwater collecting culvert.
Preferably, at least the rainwater collection culvert, the initial rainwater conditioning pond and the overflow culvert are arranged underground.
Preferably, the width of the rainwater collection dark culvert in the extension direction of the river channel is not less than 4m, and the height of the rainwater collection dark culvert is not less than 3 m.
The second aspect of the invention provides a method for recycling initial rainwater;
the method for recycling the initial rainwater comprises the following steps,
collecting rainwater collected by a rainwater pipe into a primary rain adjusting tank through a rainwater collecting dark culvert, wherein the upper port of the primary rain adjusting tank is communicated with an overflow dark culvert so as to ensure that rainwater overflowing from the primary rain adjusting tank is drained into a river channel through the overflow dark culvert;
a municipal sewage pipeline and the primary rain adjusting tank are communicated through a primary rain removal pump station, and a primary rain removal pump of the primary rain removal pump station is arranged at the lower end of the primary rain adjusting tank so as to pump rainwater in the primary rain adjusting tank to the municipal sewage pipeline;
when first rain equalizing basin begins the retaining, start first rain and get rid of the pump, arrange into municipal sewage pipeline with the rainwater, simultaneously first rain equalizing basin water level constantly rises to when surpassing the rainwater and collecting the dark culvert diapire, the rainwater overflow in the first rain equalizing basin is secretly contained to the overflow to arrange to the river course through the overflow secretly contained.
Preferably, the recycling method further comprises,
at the early stage of rainfall, the initial rain removal pump is started to discharge rainwater into a municipal sewage pipe, after the water level in the initial rain adjusting tank exceeds the height of the rainwater collecting hidden culvert bottom wall, the initial rain removal pump is closed, and after the rainwater collecting hidden culvert bottom wall exceeds the rainwater and is discharged into a river channel through an overflow hidden culvert, the initial rain removal pump is started again to empty the initial rain adjusting tank.
Preferably, the width of the rainwater collection dark culvert in the extension direction of the river channel is not less than 4m, and the height of the rainwater collection dark culvert is not less than 3 m; and/or the presence of a gas in the gas,
the number and the flow standard of the initial rain removing pumps are determined according to preset initial rain amount and preset values of initial rain accepting of municipal sewage pipes and a reclaimed water plant.
Drawings
FIG. 1 is a schematic view showing a lateral structure of an initial rainwater recycling apparatus according to the present invention;
fig. 2 is a schematic longitudinal structure of fig. 1.
Description of the reference numerals
0. A river channel; 1. a rain pipe; 2. collecting rainwater in a dark culvert; 3. a primary rain adjusting tank; 4. overflowing a hidden culvert; 5. a pump station is removed from the initial rain; 501. a first rain removal pump.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
It should be noted that the term "comprises/comprising" and any variations thereof in the description and claims of the present invention and the above-described drawings is intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present invention, the terms "upper", "lower", "top", "bottom", "inner", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "disposed," "connected," and "communicating" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The invention provides a device for recycling initial rainwater, which can be applied to urban rivers and lakes, and particularly relates to a technical scheme of the device, which combines the characteristics of local rainfall, municipal sewage pipe networks and regeneration water plants, wherein an adjusting tank is built to collect the initial rainwater, and the initial rainwater is sent to the municipal sewage pipeline and the regeneration water plant after the rainfall stops, so that a pump station and a municipal sewage pipe after regulation and storage can adopt smaller flow.
As shown in fig. 1 to 2, the initial rainwater recycling device provided by the present invention includes a rainwater collecting culvert 2, an initial rainwater conditioning tank 3, an overflow culvert 4 and an initial rainwater drainage pump station 5, wherein the rainwater collecting culvert 2 is used for collecting rainwater collected by a rainwater pipe 1 into the initial rainwater conditioning tank 3, and an upper port of the initial rainwater conditioning tank 3 is communicated with the overflow culvert 4 capable of draining rainwater overflowing from the initial rainwater conditioning tank 3 into a river channel 0; the first rain removing pump 501 of the first rain removing pump station 5 is arranged at the lower end of the first rain adjusting tank 3 and is used for pumping the rainwater in the first rain adjusting tank 3 to the municipal pollution pipeline.
According to the device for recycling the initial rainwater, due to the arrangement of the structure, rainwater is collected by the rainwater collection dark culvert, primary rainwater carrying various impurities is prevented from directly flowing into a river channel, the primary rainwater adjusting tank is arranged for receiving and storing the primary rainwater collected by the rainwater collection dark culvert so as to achieve the effects of standing and precipitating, the primary rainwater drainage pump station is arranged for pumping the rainwater in the primary rainwater adjusting tank to a municipal sewage pipeline for recycling, and meanwhile, the rainwater overflowing from the primary rainwater adjusting tank due to overlarge rainwater flow can be drained into the river channel by the arrangement of the overflow dark culvert, so that the rainwater collection dark culvert and the rainwater in the primary rainwater adjusting tank are prevented from flowing back, and the collection effect of the initial rainwater is prevented from being influenced; therefore, the technical problems that rainwater cannot enter a municipal sewage pipe and various impurities are mixed and directly discharged into a river to cause the pollution of a river water body and the influence of river landscape due to the lack of a device and a method for recovering and treating the initial rainwater in municipal management are solved.
In an optional embodiment of the invention, a communication port of the overflow culvert 4 and the river channel 0 is arranged below a preset water level of the river channel 0; the preset water level is the conventional water level of the river channel, the specific set value of the preset water level depends on the perennial water level height of the river channel, and the specific preset water level height is determined according to the recorded data of the water level of the river channel.
In an optional embodiment of the invention, the bottom wall of the overflow dark culvert 4 is not higher than the bottom wall of the rainwater collection dark culvert 2, and the bottom wall of the overflow dark culvert 4 is higher than the preset rainwater deposition layer height of the initial rainwater adjusting tank 3. The height of the preset rainwater deposition layer can be specifically set according to the set environment of the initial rainwater recycling device, when the set environment rainwater has more deposited precipitates, the height of the preset rainwater deposition layer is higher, when the set environment rainwater has less deposited precipitates, the height of the preset rainwater deposition layer can be set to be lower, and the specific set value is obtained through experimental derivation according to the specific service environment.
In an alternative embodiment of the invention, the bottom wall of the overflow culvert 4 is flush with the top surface of the primary rain conditioning tank 3. So as to ensure that the rainwater in the initial rainwater adjusting tank 3 can smoothly overflow to the overflow dark culvert 4 after being fully stored, and is discharged to the river channel 0 through the overflow dark culvert 4.
In an optional embodiment of the invention, a rainwater pipe network formed by a plurality of rainwater pipes 1 converges rainwater into an initial rainwater regulation pool 3 arranged at least one port of the rainwater pipe network and/or the rainwater collecting culvert 2 through the rainwater collecting culvert 2 so as to meet the requirements of different external environments on rainwater collection; in other embodiments of the present invention, a plurality of first rain regulation pools 3 are included, and the plurality of first rain regulation pools 3 may be individually arranged or may be arranged in a communicating manner, so as to meet requirements of areas with different rainfall for rainwater storage and deposition.
In an optional embodiment of the invention, at least the rainwater collecting culvert 2, the primary rainwater conditioning pond 3 and the overflow culvert 4 are arranged underground, so that the space utilization rate of the ground is improved, and meanwhile, the situation that the ground landscape is influenced by the position arrangement and layout of unnecessary functional devices on the ground during primary rainwater collection and treatment can be avoided.
In the optional embodiment of the invention, the rainwater collection culvert is used as a main pipe for connecting all municipal rainwater pipes, and the scale is determined on the principle of facilitating dredging, so that the overflowing area is reduced for avoiding the blockage of the rainwater collection culvert due to sludge. This mechanical desilting mode is preferred to the desilting mode of dark culvert is collected to rainwater, and for the condition that satisfies mechanical desilting, this rainwater is collected and is hidden culvert 2 width on the river course extending direction and not less than 4m preferably, and the height is not less than 3 m.
The invention also provides a method for recycling the initial rainwater;
the method for recycling the initial rainwater comprises the following steps,
the rainwater collected by the rainwater pipe 1 is converged into the primary rainwater adjusting tank 3 through the rainwater collecting dark culvert 2, and the upper port of the primary rainwater adjusting tank 3 is communicated with the overflow dark culvert 4 so as to ensure that the rainwater overflowing from the primary rainwater adjusting tank 3 is discharged into the river channel 0 through the overflow dark culvert 4;
the municipal sewage pipeline and the primary rain adjusting tank 3 are communicated through the primary rain removing pump station 5, and a primary rain removing pump 501 of the primary rain removing pump station 5 is arranged at the lower end of the primary rain adjusting tank 3 so as to pump rainwater in the primary rain adjusting tank 3 away to the municipal pollution pipeline;
when first rain equalizing basin 3 began to impound, start first rain and get rid of pump 501, arrange into municipal sewage pipeline with the rainwater, first rain equalizing basin 3 water level continuously rises to surpass the rainwater simultaneously and collect when containing 2 diapalls in dark culverts, the rainwater in the first rain equalizing basin 3 overflows to overflow and contains 4 secretly to arrange to river course 0 through overflow and contain 4.
In a further optional embodiment of the present invention, the recycling method further comprises, at the early stage of rainfall, starting the initial rain discharging pump 501 to discharge the rainwater into the municipal sewage pipe, so as to prevent the untreated rainwater from flowing into the river; when the water level in the primary rain adjusting tank 3 exceeds the height of the bottom wall of the rainwater collecting culvert 2, the primary rain removing pump 501 is closed, rainwater flows into the primary rain adjusting tank 3 from the rainwater collecting culvert 2 and then stands, so that various impurities mixed due to heavy brushing on the earth surface or buildings and the like attached to the rainwater are precipitated, and the rainwater on the upper layer in the primary rain adjusting tank 3 overflows to the bottom wall of the rainwater collecting culvert 2 and then is discharged into the river channel 0 through the overflow culvert 4 due to continuous injection of the rainwater to be treated; after the rainwater does not overflow to the overflow dark culvert 4 any more, the initial rainwater drainage pump 501 is started, and the rainwater and sludge in the initial rainwater adjusting tank 3 are drained under the action of the initial rainwater drainage pump 501, so that a space is reserved for collecting and treating the rainwater next time.
In an optional embodiment of the invention, the width of the rainwater collection dark culvert 2 in the extension direction of the river channel is not less than 4m, and the height of the rainwater collection dark culvert 2 is not less than 3 m; and/or a plurality of initial rain discharging pumps 501 are included, and the number and the flow rate standard of the plurality of initial rain discharging pumps 501 are determined according to preset initial rain amount and preset values of receiving initial rain by municipal sewage pipes and water plants.
The application operation of the initial rainwater recycling device and the initial rainwater recycling method in the actual engineering can be changed into the following steps:
(1) determining rainwater collection culvert scale
Rainwater is collected and is secretly contained the female pipe as connecting all municipal administration downspouts, and the determination of scale should be so that the desilting is the principle, for avoiding the rainwater to collect and secretly contain silt jam and reduce the overflow area. This mechanical desilting mode is preferred to the desilting mode of dark culvert is collected to rainwater, and for the condition that satisfies mechanical desilting, the design width of preferably rainwater collection dark culvert edge on the river course extending direction is not less than 4m, and the height is not less than 3 m.
(2) Determining the size of the first rain removal pump station
The initial rain removing pump station arranged at the tail end of the rainwater collecting culvert needs to be provided with initial rain removing pumps, and the number and the flow standard of the initial rain removing pumps are determined according to the initial rain amount and the capacity of receiving the initial rain by municipal sewage pipes and a regeneration water plant.
(3) Determining the size of an initial rain adjusting tank
According to the theory of reservoir flood regulation calculation, the volume of the first rain regulating pool is determined according to three factors of the rainfall duration, the volume of the first rain regulating pool and the scale of the first rain removing pump.
(4) Rainwater utilization after collection
The initial rainwater is discharged into a municipal sewage pipeline through an initial rainwater discharge pump, and is treated by a regenerated water plant to be used as regenerated water for flushing toilets, irrigating roads and the like. The specific operation mode is that in the early stage of rainfall, an initial rain removal pump is started to discharge rainwater into a municipal sewage pipe, after the water level in the initial rain adjusting tank exceeds the height of the bottom wall of the rainwater collecting dark culvert, the initial rain removal pump is closed, after the middle rain stops being discharged into a river channel due to overflow, the initial rain removal pump is started again to drain the rainwater and sediments in the initial rain adjusting tank so as to meet the next rainfall. The rainwater overflowing from the initial rain adjusting tank to the river channel is discharged into the river channel due to the buffering and standing of the initial rain adjusting tank, and the rainwater is less in impurities and can be directly used as landscape water.
The device and the method for recycling the initial rainwater of the invention can realize at least the following beneficial technical effects:
(1) accurate control of initial rainwater
The recycling method and the structure of the invention introduce the principle of reservoir flood diversion calculation, reasonably determine the volume of the initial rain regulating pool, reduce the engineering investment and accurately control the initial rain.
(2) The initial rainwater and the middle and later rainwater are automatically switched, so that the working intensity of managers is reduced
The first rain equalizing basin is an online structure, the height of the bottom wall of the first rain equalizing basin is lower than that of the bottom wall of the rainwater collecting hidden culvert, and the volume between the bottom wall of the rainwater collecting hidden culvert and the bottom wall of the first rain equalizing basin is the effective volume of the first rain equalizing basin. During the rainfall, the rainwater of initial stage gets into first rain equalizing basin regulation and holds, holds full back, and the rainwater of later stage gets into the river course from upper portion self-draining in the theory according to the laminar flow, and the impurity of carrying still can precipitate in first rain equalizing basin, realizes the automatic switch-over of the rainwater of initial stage and the rainwater of middle and later stages, reduces managers' working strength.
(3) Underground structures are intensively and compactly arranged, so that the occupied land is saved, the access is reduced, and the underground structures are easy to be fused with the surrounding environment
The primary rain adjusting tank and the primary rain discharging pump station are intensively and compactly arranged, the site selection is flexible, the occupied area is reduced, each single structure is not required to be provided with an inlet and an outlet, the inlet and the outlet can be shared, and the integration with the surrounding environment is easy.
(4) The burden of a downstream sewage pipeline and a regenerated water plant is not increased
The initial rainwater is regulated and stored by the initial rainwater regulating tank, is discharged into a downstream sewage pipeline and a regeneration water plant in a staggered peak manner, is slowly released, does not increase the burden of the downstream sewage pipeline and the regeneration water plant, and reduces the engineering investment.
The above description is only an alternative embodiment of the present invention and is not intended to limit the present invention, and various modifications and variations of the present invention may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A device for recycling initial rainwater is characterized by comprising a rainwater collecting dark culvert (2), an initial rainwater adjusting tank (3), an overflow dark culvert (4) and an initial rainwater drainage pump station (5), wherein,
the rainwater collecting dark culvert (2) is used for converging rainwater collected by the rainwater pipe (1) into the primary rainwater adjusting tank (3), and an upper port of the primary rainwater adjusting tank (3) is communicated with an overflow dark culvert (4) which can discharge rainwater overflowing from the primary rainwater adjusting tank (3) to a river channel (0);
and an initial rain removal pump (501) of the initial rain removal pump station (5) is arranged at the lower end of the initial rain adjusting tank (3) and is used for pumping rainwater in the initial rain adjusting tank (3) to a municipal sewage pipeline.
2. The device for recycling initial rainwater according to claim 1, wherein the communication port between the overflow culvert (4) and the river channel (0) is arranged below the preset water level of the river channel (0).
3. The device for recycling initial rainwater according to claim 1, wherein the bottom wall of the overflow culvert (4) is not higher than the height of the bottom wall of the rainwater collection culvert (2), and the height of the bottom wall of the overflow culvert (4) is higher than the height of a preset rainwater deposition layer of the initial rainwater adjusting tank (3).
4. The primary rainwater recycling device according to claim 3, wherein the bottom wall of said overflow culvert (4) is flush with the top surface of said primary rainwater conditioning tank (3).
5. The device for recycling initial rainwater according to claim 1, wherein a rainwater pipe network formed by a plurality of rainwater pipes (1) converges rainwater into the initial rainwater regulation pool (3) provided at least one port of the rainwater pipe network and/or the rainwater collection culvert (2) through the rainwater collection culvert (2).
6. The initial rainwater recycling device according to claim 1, wherein at least the rainwater collecting culvert (2), the initial rainwater adjusting tank (3) and the overflow culvert (4) are disposed underground.
7. A primary rainwater recycling device according to any of claims 1 to 6, wherein said rainwater collection culvert (2) has a width in the extending direction of the river of not less than 4m and a height of not less than 3 m.
8. A method for recycling initial rainwater, which is characterized by comprising the following steps,
rainwater collected by a rainwater pipe (1) is converged into a primary rainwater adjusting tank (3) through a rainwater collecting dark culvert (2), and an upper port of the primary rainwater adjusting tank (3) is communicated with an overflow dark culvert (4) so as to ensure that rainwater overflowing from the primary rainwater adjusting tank (3) is discharged into a river channel (0) through the overflow dark culvert (4);
the municipal sewage pipeline and the primary rain adjusting tank (3) are communicated through a primary rain removing pump station (5), and a primary rain removing pump (501) of the primary rain removing pump station (5) is arranged at the lower end of the primary rain adjusting tank (3) so as to pump rainwater in the primary rain adjusting tank (3) to the municipal sewage pipeline;
when first rain equalizing basin (3) begin to impound, start first rain and get rid of pump (501), arrange into municipal sewage pipeline with the rainwater, simultaneously first rain equalizing basin (3) water level constantly rises to surpass the rainwater and collect when secretly containing (2) diapire, the rainwater overflow in first rain equalizing basin (3) is secretly contained (4) to the overflow to arrange river course (0) secretly containing (4) through the overflow.
9. The method of recycling initial rainwater according to claim 8, wherein the method further comprises,
at the early stage of rainfall, the initial rain drainage pump (501) is started to drain rainwater into a municipal sewage pipe, after the water level in the initial rain adjusting tank (3) exceeds the height of the bottom wall of the rainwater collecting culvert (2), the initial rain drainage pump (501) is closed, and after the rainwater exceeding the bottom wall of the rainwater collecting culvert (2) is drained into the river channel (0) through the overflow culvert (4), the initial rain drainage pump (501) is started again to drain the initial rain adjusting tank (3).
10. The method of recycling initial rainwater according to claim 8,
the width of the rainwater collection dark culvert (2) in the extending direction of the river channel is not less than 4m, and the height of the rainwater collection dark culvert is not less than 3 m; and/or the presence of a gas in the gas,
the number and the flow standard of the initial rain discharge pumps (501) are determined according to preset initial rain amount and preset values of receiving initial rain by municipal sewage pipes and regeneration water plants.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100781302B1 (en) * | 2006-07-25 | 2007-11-30 | 이정삼 | Equipment for keeping first rainfall in storage and auto emitting it to sanitary sewer |
| CN102400494A (en) * | 2010-09-10 | 2012-04-04 | 中国科学院生态环境研究中心 | Method for collection, flow bypass, peak clipping and biological purification of initial rainwater |
| CN103046632A (en) * | 2013-01-07 | 2013-04-17 | 北京京诚科林环保科技有限公司 | Municipal rainwater storage system |
| CN105735455A (en) * | 2016-05-04 | 2016-07-06 | 河海大学 | Pollutant-into-river complex ecology closure system |
| CN211472805U (en) * | 2019-12-13 | 2020-09-11 | 上海新三星给排水设备有限公司 | Underground pipe network rain and sewage mixed joint confluence sewage intelligent interception system |
-
2020
- 2020-11-19 CN CN202011302595.8A patent/CN114517506A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100781302B1 (en) * | 2006-07-25 | 2007-11-30 | 이정삼 | Equipment for keeping first rainfall in storage and auto emitting it to sanitary sewer |
| CN102400494A (en) * | 2010-09-10 | 2012-04-04 | 中国科学院生态环境研究中心 | Method for collection, flow bypass, peak clipping and biological purification of initial rainwater |
| CN103046632A (en) * | 2013-01-07 | 2013-04-17 | 北京京诚科林环保科技有限公司 | Municipal rainwater storage system |
| CN105735455A (en) * | 2016-05-04 | 2016-07-06 | 河海大学 | Pollutant-into-river complex ecology closure system |
| CN211472805U (en) * | 2019-12-13 | 2020-09-11 | 上海新三星给排水设备有限公司 | Underground pipe network rain and sewage mixed joint confluence sewage intelligent interception system |
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