CN110565767A - Saline and alkaline area rainwater regulation retrieval and utilization system - Google Patents
Saline and alkaline area rainwater regulation retrieval and utilization system Download PDFInfo
- Publication number
- CN110565767A CN110565767A CN201910821212.9A CN201910821212A CN110565767A CN 110565767 A CN110565767 A CN 110565767A CN 201910821212 A CN201910821212 A CN 201910821212A CN 110565767 A CN110565767 A CN 110565767A
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- rainwater
- tank
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- pool
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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
- E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
- E03F1/005—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells via box-shaped elements
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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
- E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
Abstract
The invention relates to a rainwater regulation and storage recycling system for a saline-alkali area, which relates to the technical field of rainwater treatment and mainly comprises a rainwater inlet pipe, a rainwater regulation pool, a clean water pool and a rainwater recycling pipe. The one end of rainwater inlet tube is equipped with the filter screen to be connected with rainwater equalizing basin top, rainwater equalizing basin lateral wall is equipped with the overflow mouth and is connected with rainwater regulation pond, and the bottom of the pool is equipped with initial stage rainwater drain pipe and mud pipe, and the basin is equipped with in the rainwater regulation pond, and the mud pipe is established to the bottom, and rainwater outlet pipe one end is equipped with the filter screen, and the immersible pump is established to the clean water basin, links to each other with rainwater retrieval and utilization pipe, rainwater equalizing basin, rainwater regulation pond and clean water basin all adopt the multilayer to separate salt anticorrosion material. The invention can effectively avoid the saline-alkali infiltration and corrosion of rainwater regulation and reuse facilities in saline-alkali areas, automatically finishes the drainage of initial rainwater through the arrangement of the regulating tank, fully utilizes the internal space of the rainwater regulation and storage tank to finish the treatment and purification of rainwater, and finally realizes the economic and efficient utilization of the rainwater in the saline-alkali areas.
Description
Technical Field
The invention relates to the technical field of rainwater treatment, in particular to a rainwater regulation, storage and recycling system for a saline-alkali area.
Background
Water is a source of human life, it is not only necessary for human survival, but also is used in large quantities in agriculture, manufacturing industry, mining industry, energy production, etc., so that today where water resources are increasingly scarce, we must protect water resources with the eye of sustainable development. The urban rainwater utilization is a new emerging field with good market prospect, under the condition of serious shortage of water resources, the urban rainwater utilization and the water resources are actively developed and utilized, can be used as one of important urban water sources, and provides an effective way for long-term sustainable development of the water resources.
The salinization of the land becomes global harm, the salinization of the soil in the saline-alkali area causes high salt content in the rainwater runoff, and certain difficulty is caused to the regulation, storage and recycling of the rainwater runoff. The existing rainwater regulation and reuse technology does not take high saline-alkaline factors into consideration, if the technology is directly applied to the regulation and reuse of rainwater in saline-alkaline regions, the rainwater regulation and utilization efficiency is low, the service life of rainwater regulation and reuse facilities is greatly shortened, and the operation cost is increased. In conclusion, the existing technology suitable for regulating, storing and recycling the rainwater in the saline-alkali area is very deficient, and the development of the technology suitable for regulating, storing and utilizing the rainwater in the saline-alkali area is particularly important for economically and efficiently utilizing the rainwater resources.
Disclosure of Invention
The invention aims to provide a rainwater regulation and recycling system suitable for saline-alkali areas, aims to solve the influence of high saline-alkali factors on rainwater regulation and recycling facilities, realizes automatic drainage of initial rainwater, fully utilizes the internal space of a rainwater regulation and storage module to purify the rainwater and realizes efficient utilization of the rainwater.
In order to achieve the purpose, the technical scheme of the invention is as follows:
The utility model provides a saline and alkaline area rainwater regulation recycling system mainly includes rainwater inlet tube, rainwater equalizing basin, rainwater regulation pond, clean water basin, rainwater retrieval and utilization pipe, the one end of rainwater inlet tube be equipped with the equalizing basin filter screen to be connected with rainwater equalizing basin top, rainwater equalizing basin lateral wall be equipped with the overflow mouth and be connected with rainwater regulation pond, and the bottom of the pool is equipped with initial stage rainwater drain pipe and equalizing basin mud pipe, rainwater regulation pond establish into rainwater water distribution tank, the bottom is equipped with regulation pond mud pipe, rainwater outlet pipe one end is equipped with the clean water basin filter screen to be connected with the clean water basin, the clean water basin establish the immersible pump, link to each other with the rainwater retrieval and utilization pipe.
Further specifically, the rainwater equalizing basin be equipped with 2 staggered arrangement's baffle for reduce the kinetic energy of rivers and deposit the precipitate that carries in the rainwater.
More specifically, the bottom of the rainwater regulating tank is designed with a certain gradient, the water inlet side is high, the water outlet side is low, and the gradient is about 10-15 degrees.
Further specifically, a mud bucket is arranged at the bottom of the water outlet end of the rainwater adjusting tank.
Further specifically, rainwater regulation bottom of the pool divide into two-layerly with the baffle, lower floor's mainly used rainwater deposits purification treatment, and the upper strata mainly carries out the regulation of rainwater, and the distribution tank is located the bottom of regulation pool rainwater baffle.
More specifically, the bottom of the rainwater storage tank is designed to have a certain gradient, the water inlet side is low, the water outlet side is high, and the gradient is about 10-15 degrees.
further specifically, a mud bucket is arranged at the bottom of the water inlet end of the rainwater storage tank.
Further specifically, rainwater regulation pond top be equipped with the business turn over access hole, the staff of being convenient for passes in and out regulation pond and maintains etc..
further specifically, the rainwater regulating tank, the rainwater storage tank and the clean water tank are all concrete tank bodies.
More specifically, a layer of epoxy resin sealing material is additionally coated inside each concrete pool, three salt-isolating anticorrosive layers are coated outside each concrete pool, and the epoxy resin sealing material, the butyl rubber material and the modified polyethylene material are respectively arranged from inside to outside.
Compared with the prior art, the invention has the following effective effects: automatic flow discarding of initial rainwater is realized through the arrangement of the regulating tank, and partial pollutants are reduced; the regulation and storage tank is designed into an upper layer and a lower layer, the lower layer realizes the reduction of pollutants, the upper layer completes the regulation and storage of rainwater, the space of the regulation and storage tank is fully utilized to purify the rainwater, and the efficient utilization of the rainwater is realized; the regulating tank and the storage tank are made of multi-layer salt-separating anti-corrosion materials, so that rainwater can be prevented from salinizing, and the requirement of recycling is met. In conclusion, the invention provides a high-efficiency rainwater storage and recycling system suitable for saline-alkali areas.
Drawings
FIG. 1 is a schematic view of a rainwater storage and reuse system in a saline-alkali area;
FIG. 2 is a schematic view of the inlet of the distribution tank of the rainwater storage tank;
FIG. 3 is a schematic diagram of the structure material.
In the figure: 1. a filter screen of the adjusting tank; 1', a filter screen of a clean water tank; 2. a rainwater inlet pipe; 3. a rainwater conditioning tank; 4. a regulating tank rainwater baffle; 4', a regulating storage pool rainwater baffle; 5. an overflow port; 6. an initial rainwater drain pipe; 7. a mud pipe of the adjusting tank; 8. a rainwater storage tank; 9. entering and exiting the overhaul port; 10. a water distribution tank; 11. a sludge discharge pipe of the regulation and storage tank; 12. a clean water tank; 13. a rainwater recycling pipe; 14. a submersible pump; 15. a water inlet hole; 16. a concrete tank body; 17. epoxy resin type sealing materials; 18. a butyl rubber-like material; 19. modified polyethylene material.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a saline and alkaline area rainwater regulation recycling system, refers to fig. 1 and shows, mainly includes rainwater equalizing basin 3, rainwater regulation pond 8 and clean water basin 12, specifically still includes rainwater inlet tube 2, rainwater retrieval and utilization pipe 13, equalizing basin mud pipe 7, regulation pond mud pipe 11, initial stage rainwater drain pipe 6, equalizing basin filter screen 1, equalizing basin rainwater baffle 4, water distribution tank 10 and business turn over maintenance mouth 9. Rainwater reaches rainwater inlet pipe 2 through various collection measures, adopts the mode of pool top intaking to get into rainwater equalizing basin 3, rainwater inlet pipe 2's one end be equipped with equalizing basin filter screen 1 to reach the effect of holding back thicker macrocontaminant, the rainwater overflows in rainwater equalizing basin 3 and goes out water, gets into in the rainwater regulation pond 8 through overflow mouth 5. 8 outlet pipe one end in rainwater regulation pond is equipped with clean water basin filter screen 1', goes out water and gets into clean water basin 12, gets into rainwater recycling pipe 13 through immersible pump 14 and carries out the retrieval and utilization, 3 interior bottoms of the pool of rainwater equalizing basin be equipped with initial stage rainwater drain pipe 6 and equalizing basin mud pipe 7, regulation pond mud pipe 11 is established to 8 bottoms in rainwater regulation pond.
2 regulating pool rainwater baffles 4 which are staggered are arranged in the rainwater regulating pool 3, the rainwater regulating pool has the rainwater energy dissipation function and strengthens the precipitation and purification of pollutants in rainwater, the angle between the regulating pool rainwater baffles 4 and the pool wall is about 120 degrees, the pool bottom is designed to have a certain gradient, the water inlet side is high, the water outlet side is low, the gradient is about 10-15 degrees, the bottom of the water outlet end is provided with a mud bucket which is in a quadrangular frustum pyramid shape, in the embodiment of the invention, the height of the rainwater regulating pool is about 2 meters, and the pool top is based on the ground. The invention achieves ideal effects on the energy dissipation of rainwater entering the pool, the precipitation and purification of pollutants and the sludge discharge by setting the angle of the rainwater baffle 4 of the adjusting pool and the bottom gradient of the rainwater adjusting pool.
The rainwater regulation pond 8 is divided into two layers by a horizontal regulation pond rainwater baffle 4', the lower layer is mainly used for rainwater purification treatment, the upper layer is mainly used for regulating rainwater, and rainwater enters the rainwater regulation pond 8 from the lower part of the regulation pond rainwater baffle 4. In order to achieve uniform water distribution, referring to fig. 2, a rectangular water distribution tank 10 is arranged on the water inlet side of a rainwater storage tank 8, a row of circular water inlet holes 15 are formed in the wall of the water distribution tank 10, rainwater in a rainwater adjusting tank 3 is distributed by the water distribution tank 10 and then enters the rainwater storage tank 8 through the plurality of water inlet holes 15, and therefore the effect of uniform water distribution in the whole rainwater storage tank 8 is achieved. The far end of the rainwater baffle 4 ' of the storage regulation pool is not contacted with the wall of the rainwater storage regulation pool 8, a water passing channel is reserved, rainwater enters the storage regulation pool 8 and then is firstly precipitated in a purification unit at the bottom of the rainwater baffle 4 of the storage regulation pool, the purification unit is similar to a horizontal flow type sedimentation pool, the length-width ratio of the pool is 4:1, and then the rainwater enters a storage regulation unit at the upper part of the rainwater baffle 4 ' of the storage regulation pool from the far end of the rainwater baffle 4 ' of the storage regulation pool to balance and regulate the rainwater quantity. In order to facilitate the sludge discharge, the bottom of the rainwater purification unit is designed to have a certain gradient of about 10-15 degrees, the bottom of the rainwater purification unit is provided with a mud bucket which is in a quadrangular frustum pyramid shape, in the embodiment of the invention, the height of the rainwater adjusting tank is about 6 meters, and the top of the rainwater adjusting tank is based on the ground. Similarly, the bottom slope of the rainwater storage tank 8 is arranged, so that the purifying unit can achieve ideal effects on precipitation and sludge discharge of rainwater.
The rainwater equalizing basin 3, the rainwater regulation pond 8 and the clean water basin 12 main part all adopt concrete structure, refer to figure 3, in order to avoid the corruption of high saline and alkaline to each cell body and prevent that saline and alkaline infiltration from causing the increase of rainwater salt content, each concrete cell body 16 is inside to add and to scribble a layer epoxy class sealing material 17, the outside is scribbled three-layer salt corrosion resistant coating of scribbling, should separate the salt corrosion resistant coating from inside to outside and be epoxy class sealing material 17, butyl rubber class material 18 and modified polyethylene class material 19 respectively.
The working principle of the invention is as follows: rainwater arrives rainwater inlet pipe 2 through various collection measures, and adjusting pool filter screen 1 that sets up on the inlet tube holds back thick pollutant, because initial stage rain water pollution comparatively seriously need abandon to flow, the initial stage rainwater at first gets into and stores in rainwater equalizing basin 3, and the rainwater changes into later stage rainwater from the initial stage after 3 rainwater of rainwater equalizing basin are full, and the rainwater gets into rainwater regulation pond 8 through 5 direct overflow flows on rainwater equalizing basin 3 top layers afterwards. Rainwater that gets into in the rainwater regulation pond 8 flows through the purification unit of rainwater regulation pond 8 lower part at first and accomplishes the purification of rainwater quality, gets into the regulation unit of upper portion afterwards and carries out the balance and the regulation of water yield. When rainwater purified by the rainwater storage tank 8 enters the clean water tank 12, the rainwater is filtered again by the filter screen 1' of the clean water tank and is used for intercepting relatively fine particles, so that the rainwater storage and purification process is completed, and finally the rainwater flows through the clean water tank 12 and is recycled. In order to avoid the corrosion of salt and alkali to the tank body and the infiltration of the salt and alkali, the tank body designed by the invention is coated with a salt isolating layer inside and three salt isolating anticorrosive layers outside.
The invention provides a rainwater regulation and storage recycling system suitable for saline-alkali areas, which effectively solves the problems of corrosion of high saline-alkali to rainwater regulation and storage recycling facilities and infiltration of saline-alkali, realizes automatic flow discarding of initial rainwater through the design of a rainwater regulation pool 3, has peak-lag capability, does not cause extra pressure to an urban rainwater pipe network in a rainwater flood period, and correspondingly reduces pressure, surface runoff, lag drainage time and instantaneous drainage quantity; the invention fully and reasonably utilizes the internal space of the rainwater storage tank 8 to complete the purification treatment of rainwater, and all the tank bodies are designed to be underground, thereby occupying no ground space and occupying small area.
It should be emphasized that the present invention is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and the description are only preferred examples of the present invention and are not intended to limit the present invention, and that various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A saline-alkali area rainwater regulation and recycling system, which mainly comprises a rainwater inlet pipe (2), a rainwater regulating tank (3), a rainwater regulation and storage tank (8), a clean water tank (12) and a rainwater recycling pipe (13), one end of the rainwater inlet pipe (2) is provided with a filter screen (1) of the adjusting tank, and is connected with the top of the rainwater regulating pool (3), the side wall of the rainwater regulating pool (3) is provided with an overflow port (5) which is connected with a rainwater storage pool (8), and the bottom of the pool is provided with an initial rainwater drain pipe (6) and a mud pipe (7) of the adjusting pool, the rainwater regulation and storage tank (8) is provided with a rainwater inlet and distribution tank (10), the bottom of the rainwater regulation and storage tank is provided with a regulation and storage tank mud pipe (11), one end of a rainwater outlet pipe is provided with a clean water tank filter screen (1'), and is connected with a clean water tank (12), and the clean water tank (12) is provided with a submersible pump (14) which is connected with a rainwater recycling pipe (13).
2. The system for regulating, storing and recycling rainwater in saline-alkali area according to claim 1, characterized in that the rainwater regulating tank (3) is provided with 2 staggered baffles (4) for reducing the kinetic energy of water flow and precipitating the precipitate carried in the rainwater.
3. The system for regulating, storing and recycling the rainwater in the saline-alkali area according to claim 1, wherein a horizontal rainwater baffle (4 ') is arranged in the rainwater regulating and storing pool (8) to divide the rainwater regulating and storing pool (8) into an upper part and a lower part, and the water distribution tank (10) is positioned at the bottom of the rainwater baffle (4') of the regulating and storing pool.
4. The system for conditioning, storing and recycling rainwater in saline-alkali soil as claimed in claim 2, wherein the far end of the baffle (4) is inclined downwards with an inclination angle of 120 ° with the side wall of the pond.
5. The system for regulating, storing and recycling the rainwater in the saline-alkali area according to claim 3, wherein a row of water inlet holes (15) are formed in the wall of the water distribution tank (10), and the rainwater in the rainwater regulating tank (3) is distributed by the water distribution tank (10) and then enters the rainwater regulating tank (8) through the water inlet holes (15).
6. The system for regulating, storing and recycling the rainwater in the saline-alkali area according to claim 1, wherein the bottom of the rainwater regulating tank (3) is designed to have a certain gradient, the water inlet side is high, the water outlet side is low, and the gradient is 10-15 degrees; the bottom of the rainwater storage tank (8) is designed to have a certain gradient, the water inlet side is low, the water outlet side is high, and the gradient is 10-15 degrees.
7. The system for regulating, storing and recycling the rainwater in the saline-alkali area according to claim 1 or 6, characterized in that a mud bucket is arranged at the bottom of the water outlet end of the rainwater regulating tank (3), and a regulating tank mud pipe (7) is connected with the mud bucket; the bottom of the water inlet end of the rainwater storage tank (8) is provided with a mud bucket, and a mud pipe (11) of the storage tank is connected with the mud bucket.
8. The saline-alkali area rainwater storage and recycling system according to claim 1 or 3, wherein an access service hole (9) is formed in the top of the rainwater storage tank (8), so that workers can conveniently access the rainwater storage tank for maintenance.
9. The system for regulating, storing and recycling the rainwater in the saline-alkali area according to claim 1, wherein the rainwater regulating tank (3), the rainwater regulating tank (8) and the clean water tank (12) are all concrete tanks (16).
10. the system for regulating, storing and recycling rainwater in saline-alkali area according to claim 9, wherein the concrete pool body (16) is coated with a layer of epoxy resin sealing material (17) and three layers of salt-isolating anticorrosive coating from inside to outside, which are respectively epoxy resin sealing material (17), butyl rubber material (18) and modified polyethylene material (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910821212.9A CN110565767A (en) | 2019-09-02 | 2019-09-02 | Saline and alkaline area rainwater regulation retrieval and utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910821212.9A CN110565767A (en) | 2019-09-02 | 2019-09-02 | Saline and alkaline area rainwater regulation retrieval and utilization system |
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| CN110565767A true CN110565767A (en) | 2019-12-13 |
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| CN201910821212.9A Pending CN110565767A (en) | 2019-09-02 | 2019-09-02 | Saline and alkaline area rainwater regulation retrieval and utilization system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111821725A (en) * | 2020-06-03 | 2020-10-27 | 中国市政工程中南设计研究总院有限公司 | Advection sedimentation concentration tank for treating sludge water |
| CN112814122A (en) * | 2021-01-07 | 2021-05-18 | 江苏龙腾工程设计股份有限公司 | Ecological rainwater regulation and storage system for sponge city |
| CN112962747A (en) * | 2021-02-01 | 2021-06-15 | 中国电建集团华东勘测设计研究院有限公司 | Sewage treatment facility with regulation and water supplement functions |
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Application publication date: 20191213 |
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