CN202248042U - Device for collecting and treating initial-stage rainwater of villages in river network area - Google Patents
Device for collecting and treating initial-stage rainwater of villages in river network area Download PDFInfo
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- CN202248042U CN202248042U CN2011202950617U CN201120295061U CN202248042U CN 202248042 U CN202248042 U CN 202248042U CN 2011202950617 U CN2011202950617 U CN 2011202950617U CN 201120295061 U CN201120295061 U CN 201120295061U CN 202248042 U CN202248042 U CN 202248042U
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- storage pool
- stage rainwater
- water
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- rainwater
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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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- 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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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Abstract
The utility model relates to a device for collecting and treating initial-stage rainwater of villages in a river network area, which is suitable for collecting and treating initial-stage rainwater in rural area. The device for collecting and treating the initial-stage rainwater of the villages in the river network area comprises a channel for collecting rainwater, a storage pool and a water distribution pipe, the storage pool is connected with the channel through a water inlet pipe and is connected with the water distribution pipe, the water distribution pipe is arranged at the top end of a grassland of a river bank side slope basically along the trend of a river, a baffle is arranged at the downstream position close to the connection part of the water inlet pipe in the channel, the initial-stage rainwater intercepted by the baffle in the channel can flow into the storage pool through the water inlet pipe and then enter the water distribution pipe, trickle irrigation holes are distributed at one side of the water distribution pipe towards the grassland, and the pitches of the trickle irrigation holes are gradually changed in a descending order along the water flow direction in the water distribution pipe. The initial-stage rainwater can be collected and conveyed into the underground storage pool through the channel, and the initial-stage rainwater intercepted by the storage pool can be distributed to the grassland of the side slope (or spreads over an artificial wet land) and drained into a small river after being purified.
Description
Technical field
The utility model relates to the device of village, district, a kind of collection and treatment network of waterways early-stage rainwater, is specially adapted to the collection and the processing of early-stage rainwater in the village of road surface sclerosis, prevent nitrogen, phosphorus in the early-stage rainwater with runoff in a large number to the water body migration, the aggravation body eutrophication.Belong to the environmental pollution improvement field.
Background technology
Along with the construction and the development in rural area, the fluid-tight area in the face of land, village constantly increases, and the pollution of area source that the village rainfall runoff produces is more and more seriously polluting water environment on every side.Early-stage rainwater has dissolved airborne sour gas at the rainfall initial stage; After the landing; Again owing to wash away sewage, mud and the rubbish etc. that stockpile in the dirty channel of asphalt felt roofing, cement pavement, rain, make and contain pollutants such as a large amount of organic matters, pathogen, grease, suspended solid in the rainwater.Therefore the degree of contamination of early-stage rainwater is higher, has surpassed the degree of contamination of common village sanitary sewage usually.If early-stage rainwater is directly entered river course or natural receiving waters, will cause very serious pollution to water body, so must collect, handle to early-stage rainwater.In order to control this type pollution; The city early-stage rainwater is collected with processing and has been taked some engineering measures at present; As build structure of sedimentation basin, seepage hole, porous porous pavement, reservoir and subsequent treatment pollutant etc.; These methods can fine reaching be subdued the wherein purpose of pollutant, but because cost seldom is used in the rural area.Therefore, need research and development to be suitable for rural area, the collection of the village early-stage rainwater of suiting measures to local conditions and the apparatus and method of processing.
The utility model content
The utility model provides the device of village, district, a kind of collection and treatment network of waterways early-stage rainwater, and the early-stage rainwater that is suitable for the rural area is collected and handled.
The device of village, district, said collection and treatment network of waterways early-stage rainwater; Comprise irrigation canals and ditches, storage pool and the water distributor of collecting rainwater; Storage pool is connected with irrigation canals and ditches through water inlet pipe, and storage pool is connected to the water distributor that flows away to being arranged in top, side slope meadow, riverbank basically along the river, and the downstream position near the water inlet pipe junction in the irrigation canals and ditches is provided with baffle plate; Storage pool Chi Ding is not higher than the baffle plate top; The early-stage rainwater of being held back by baffle plate in the irrigation canals and ditches can get into water distributor again after water inlet pipe gets into storage pool, water distributor is distributed with the drip irrigation hole towards a side on meadow, and the pitch of holes in drip irrigation hole gradually changes along the water (flow) direction in the water distributor is descending.
Side slope meadow, riverbank can be the artificial swamp that side slope earth surface planting herbage forms on the riverbank.
Preferably, aperture, drip irrigation hole is 2～4mm, and pitch of holes is 10cm～3cm, and the gradient of artificial swamp is 1/1000～3/1000, and hydraulic load is 3-6cm/d.
Preferably, storage pool is divided into independent left and right settling zone and storage area, and water inlet pipe extends the bottom of settling zone, and the middle and upper part of the separating device between settling zone and the storage area is provided with water hole, and the volume ratio of settling zone and storage area is 1: 2～1: 4.
As the improvement of the utility model, the artificial swamp bottom is provided with the escape canal that flows away to arranging basically along the river, and escape canal is connected to gutter, rainwater is confluxed in escape canal through the meadow enter the river through gutter again.
Can also be provided with water pump on the connecting line between storage pool and the water distributor.
Said early-stage rainwater is the rainwater at rainfall initial stage, generally is meant the rainwater in 15 minutes rainfall initial stages.
The irrigation canals and ditches (can adopt open drain or ready-made agricultural feed ditch) that the utility model collect to be carried by rainwater, the underground storage pool and side slope cross flow meadow three parts of collecting early-stage rainwater are automatically formed.Early-stage rainwater is collected through irrigation canals and ditches and is carried, and the early-stage rainwater that the baffle plate of dependence open drain or agricultural feed ditch and underground storage pool junction is held back in preceding 15 minutes automatically directly flows into underground storage pool.Height of baffle plate preferably flushes with storage pool Chi Ding, the early-stage rainwater runoff that is lower than baffle plate is trapped gets into underground storage pool.After treating that storage pool water is full, the water surface in open drain or the agricultural feed ditch road rises until flushing with storage pool Chi Ding gradually, and rainwater can not get into and enter near water body through the baffle plate overflow afterwards.Underground storage pool is divided into two lattice with partition wall, is respectively settling zone and storage area, is communicated with through water hole on the midfeather, and water hole can be opened two places up and down, satisfies the demand of different water yield early-stage rainwaters.The early-stage rainwater that storage pool is held back can be batched to the side slope meadow (or cross flow artificial swamp) through float valve and time relay automatically controlled water pump, after purifying, enters little creek.Use the perforated pipe water distribution uniformity, the control early-stage rainwater flows through side slope meadow or artificial swamp with the cross flow form, makes the nitrogen, phosphorus and the organic pollution materials that carry tackled, adsorb, degrade and absorb, and nitrogen, phosphorus reduction rate reach 50% target.As adopt side slope cross flow artificial swamp, and utilize the riverbank side slope to plant economic herbage, long herbage also can be supplied the needs of fishery cultivating nearby after gathering in, produce certain economic benefit.
Description of drawings
Fig. 1---the utility model schematic flow sheet
The A-A sectional drawing of Fig. 2---Fig. 1
The B-B sectional drawing of Fig. 3---Fig. 1
The specific embodiment
As shown in Figure 1, rainfall (or the existing agricultural feed ditch) 1 that conflux in village to the open drain, through the open drain or agricultural feed ditch be delivered to the treatment facility position of the end.In the open drain or the end one side of agricultural feed ditch build underground storage pool; Through hidden pipe with the open drain or agricultural feed ditch is vertical links to each other; In open drain, junction or agricultural feed ditch, baffle plate 2 is set, height of baffle plate flushes with storage pool Chi Ding, when water surface elevation in the canal is no more than 2 height; Early-stage rainwater gets into underground storage area 5 via the water hole on the central dividing plate again via the settling zone 4 of the underground storage pool of pipeline 3 entering.Settling zone 4 is 1: 3 with the volume ratio of storage area 5.After treating that storage pool water is full, the water surface in the agricultural feed ditch road rises until flushing with storage pool Chi Ding gradually, and rainwater is gone out through the baffle plate overflow afterwards.The concentration difference diffusion that only depends on the concentration gradient in the pipeline 3 to form was difficult to reach water body and exchanged because water and the water in the storage pool in the agricultural feed ditch does not have the convection current diffusion this moment, so what collect in the storage pool is the rainwater of initial stage high pollution substrate concentration.When the early-stage rainwater in the underground storage pool is collected a constant volume, utilize float valve and time relay automatically controlled water pump 6 that it is pumped to perforation water distributor 7.It is the aperture of 3mm that perforated pipe is opened row's diameter towards the wetland direction; Along water (flow) direction; Pitch of holes gradually changes to close by dredging, early-stage rainwater through the perforation on the water distributor with drip irrigation cross flow form water distribution uniformity in the side slope cross flow artificial swamp of the riverbank side slope construction that utilizes the little creek of village periphery.Be set to 5cm/d according to actual water quality hydraulic load.Side slope cross flow artificial swamp is provided with 1/1000 gradient and is beneficial to sluggish flow and flows through.Utilize the economic herbage of side slope cross flow artificial swamp and biology, the Ecology Action of soil to purify early-stage rainwater.The early-stage rainwater that process purifies confluxes in escape canal 8 and enters little creek via gutter 9.The regular desilting in settling zone.
As shown in Figure 2, the height of baffle plate 2 flushes with the Chi Ding of underground storage pool in open drain or the agricultural feed ditch, the settling zone that early-stage rainwater gets in the underground storage pool via water inlet pipe 3., the settling zone water retention capacity enters into the storage area via water hole 10,11 again after arriving certain altitude.Water hole 10 is applicable to the less early-stage rainwater situation that produces.Utilizing float valve 12 and time relay automatically controlled water pump 6 to extract the side slope cross flow artificial swamp that early-stage rainwater is built to the riverbank side slope of utilizing the little creek of village periphery in the underground storage pool handles.
As shown in Figure 3, on water distribution pipe 7, opening row's diameter is the aperture of 3mm, because water-aspirator pressure possibly cause the water pipe water distribution inhomogeneous, so along water (flow) direction, pitch of holes gradually changes to close by dredging.With the drip irrigation cross flow form economic herbage district that flows through, gradient is 1/1000 to early-stage rainwater through water distribution pipe.The early-stage rainwater of process wetland purification confluxes in the escape canal 8 of wetland bottom and enters little creek via gutter 9.The effect of brick barricade 13 is to prevent that side slope soil from coming down to the river course.Get final product about general 10cm above ground level.
Claims (5)
1. the device of village, district, collection and treatment network of waterways early-stage rainwater; It is characterized in that, comprise irrigation canals and ditches, storage pool and the water distributor of collecting rainwater, storage pool is connected with irrigation canals and ditches through water inlet pipe; Storage pool is connected to the water distributor that flows away to being arranged in top, side slope meadow, riverbank basically along the river; Downstream position near the water inlet pipe junction in the irrigation canals and ditches is provided with baffle plate, and storage pool Chi Ding is not higher than the baffle plate top, and the early-stage rainwater of being held back by baffle plate in the irrigation canals and ditches can get into water distributor again after water inlet pipe gets into storage pool; Water distributor is distributed with the drip irrigation hole towards a side on meadow, and the pitch of holes in drip irrigation hole gradually changes along the water (flow) direction in the water distributor is descending.
2. the device of village, district, collection and treatment as claimed in claim 1 network of waterways early-stage rainwater is characterized in that aperture, drip irrigation hole is 2～4mm, and pitch of holes is 10cm～3cm, and the gradient of artificial swamp is 1/1000～3/1000, and hydraulic load is 3-6cm/d.
3. the device of village, district, collection and treatment as claimed in claim 1 network of waterways early-stage rainwater; It is characterized in that; Storage pool is divided into independent left and right settling zone and storage area; Water inlet pipe extends the bottom of settling zone, and the middle and upper part of the separating device between settling zone and the storage area is provided with water hole, and the volume ratio of settling zone and storage area is 1: 2～1: 4.
4. like the device of each village, district, described collection and treatment network of waterways early-stage rainwater among the claim 1-3; It is characterized in that; The artificial swamp bottom is provided with the escape canal that flows away to arranging basically along the river; Escape canal is connected to gutter, rainwater is confluxed in escape canal through the meadow enter the river through gutter again.
5. like the device of each village, district, described collection and treatment network of waterways early-stage rainwater among the claim 1-3, it is characterized in that, also be provided with water pump on the connecting line between storage pool and the water distributor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202950617U CN202248042U (en) | 2011-08-15 | 2011-08-15 | Device for collecting and treating initial-stage rainwater of villages in river network area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202950617U CN202248042U (en) | 2011-08-15 | 2011-08-15 | Device for collecting and treating initial-stage rainwater of villages in river network area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202248042U true CN202248042U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202950617U Expired - Fee Related CN202248042U (en) | 2011-08-15 | 2011-08-15 | Device for collecting and treating initial-stage rainwater of villages in river network area |
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| CN (1) | CN202248042U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104542196A (en) * | 2014-12-22 | 2015-04-29 | 西北农林科技大学 | Intelligent operating system of channel-feeding type sprinkler irrigation device |
| CN109220590A (en) * | 2017-06-12 | 2019-01-18 | 上海景域园林建设发展有限公司 | A kind of multifunctional ecological tree pond module |
| CN110331705A (en) * | 2019-07-26 | 2019-10-15 | 中国科学院水生生物研究所 | A kind of initial rainwater interception collection device |
-
2011
- 2011-08-15 CN CN2011202950617U patent/CN202248042U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104542196A (en) * | 2014-12-22 | 2015-04-29 | 西北农林科技大学 | Intelligent operating system of channel-feeding type sprinkler irrigation device |
| CN104542196B (en) * | 2014-12-22 | 2016-07-20 | 西北农林科技大学 | Formula rainer intellectualized operation system fed by a kind of canal |
| CN109220590A (en) * | 2017-06-12 | 2019-01-18 | 上海景域园林建设发展有限公司 | A kind of multifunctional ecological tree pond module |
| CN110331705A (en) * | 2019-07-26 | 2019-10-15 | 中国科学院水生生物研究所 | A kind of initial rainwater interception collection device |
| CN110331705B (en) * | 2019-07-26 | 2024-05-10 | 中国科学院水生生物研究所 | Initial rainwater interception and collection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20140815 |
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| EXPY | Termination of patent right or utility model |