CN204530839U - A kind of Initial Runoff collection and purification reutilizing device - Google Patents

A kind of Initial Runoff collection and purification reutilizing device Download PDF

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Publication number
CN204530839U
CN204530839U CN201520044268.5U CN201520044268U CN204530839U CN 204530839 U CN204530839 U CN 204530839U CN 201520044268 U CN201520044268 U CN 201520044268U CN 204530839 U CN204530839 U CN 204530839U
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pipe
purification
runoff
drainage
layer
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梁新强
王知博
傅朝栋
林丽敏
徐丽贤
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Zhejiang University ZJU
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Zhejiang University ZJU
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

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  • Water Treatment By Sorption (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

本实用新型公开了一种初期径流收集净化再利用装置。可用于初期降雨径流回收利用。本装置包括蓄集、收集、净化、回用、活化装置等。蓄集装置包括收集管、存储容器;净化装置由过滤层、同步硝化反硝化层;回用装置包括潜水泵、灌溉管道和灌溉分支管道;活化装置由带槽管和活化剂构成。降雨时一部分降雨径流通过收集管进入存储容器,另一部分通过净化装置净化后排入地下水或河流,需水时可通过潜水泵将蓄集水抽送至灌溉管道,再经过位于出水口的活化装置将雨水中氮磷等营养物质活化以利于植被吸收,未被利用的回用水可再次通过净化装置。本装置具有收集回用降雨径流、控制面源污染、活化回用水中有利于植物生长的营养物质,节约施肥成本等优点。

The utility model discloses a device for collecting, purifying and reusing primary runoff. It can be used for recovery of initial rainfall runoff. This device includes storage, collection, purification, reuse, activation devices, etc. The storage device includes a collection pipe and a storage container; the purification device consists of a filter layer and a synchronous nitrification and denitrification layer; the recycling device includes a submersible pump, irrigation pipes and irrigation branch pipes; the activation device consists of a grooved pipe and an activator. When it rains, part of the rainfall runoff enters the storage container through the collection pipe, and the other part is purified by the purification device and discharged into the groundwater or river. Nutrients such as nitrogen and phosphorus in rainwater are activated to facilitate the absorption of vegetation, and unused reused water can pass through the purification device again. The device has the advantages of collecting and reusing rainfall runoff, controlling non-point source pollution, activating nutrients beneficial to plant growth in reclaimed water, and saving fertilization costs.

Description

A kind of Initial Runoff collection and purification reutilizing device
Technical field
The utility model relates to a kind of Initial Runoff collection and purification reclamation set, particularly relates to a kind of Initial Runoff collection and purification reutilizing device.
Background technology
China is one of country of water resource critical shortage, and water resources ownership per capita is only 1/4 of world's water resources ownership per capita, and China's distribution of water resources also exists serious uneven situation.In recent years, China's whole nation total supply is greatly about 5500 billion cubic meters, Water Consumption in Agriculture accounts for about 70% of whole water supply volume, wherein agricultural irrigation water amount accounts for 90% of agriculture total water consumption, therefore, should fully send out out and recycle every water resource, improve agricultural water cyclic utilization rate, improve agricultural irrigation water rate, reduce agricultural irrigation water total amount.In water resources development and utilization, rainwater is exactly by the high-quality water resource ignored for a long time.The total amount relative abundance of China's rainwater resource, annual nearly 6 tcms of amount of precipitation.Wherein have 3.2 tcms to penetrate in soil, evaporate after major part is absorbed by vegetation, fraction adds to underground water; And the rainwater of 2.8 other tcms is formed in surface runoff, have 2.7 tcms to pool the surface water such as river, lake, also having a small amount of becomes underground water.If Initial Runoff rainwater resources utilization is got up, will the total amount with water be greatly reduced, improve the utilization rate of water resource.
In addition, pollution of area source is also the problem of can not ignore.The agricultural run-off formed as rainfall causes agriculture N, P pollution of area source, and agricultural run-off causes body eutrophication after importing river.According to investigations, the loss of China agrochemical Middle nutrition element N, P is serious, and the average utilization of crops to N, P is only about 35%, and the remainder of about 2/3 enters water body by surface flow, soil filtration, causes the eutrophication of rivers and lakes water body.Therefore, initial stage of development discharge resources is recycled and is weakened pollution of area source problem simultaneously and have important practical usage.
Publication number is the patent of CN102786110 is that a kind of farmland nitrogen phosphorus pollution of area source controls, with the method recycled, to provide and utilize storing facilities of water and absorbing unit to control the method for farmland N, P pollution of area source.This invention has good purification, recycles the advantage of water resource.
But, this technology only achieves the object of farmland N, P element pollution control in accumulation facility, do not pay close attention to the purification not entering the agricultural run-off in accumulation pond, and when reuse rainwater, through the desorption of multilayer sorbing material, greatly reduce the concentration of N, P in recycle-water, not significantly will with recycling of water resource, and the limited need of this facility absorbing unit adsorption capacity amount are often safeguarded, engineering quantity is large, and cost is higher.The technology of publication number to be the patent of invention of CN101555071 be a kind of artificial swamp, provide the method utilizing buffer strip to control farmland, River Network N, P pollution of area source, this invention utilizes buffer strip areas, simple and practical the reaching of buffer strip plant subtracts dirty object, but does not but recycle rainwater resource.
Generally, for the control of same pollutant, prioritizing selection resource scheme, next is only resolution.Although N, P element in draining is pollutant to water body, be but required nutriment to vegetation.Research shows, N, P element in agricultural drain accounts for 2/3 of N, P total amount in fertilising, if by this part nutriment reuse to farmland, can be the fertilizer cost that peasant saves 2/3, has considerable economic implications.The beneficial effects of the utility model are i.e. accumulation rainfall Initial Runoffs, have purified to fail the rainwater of Collection utilization simultaneously, reduce the possibility that pollution of area source occurs.In addition, in this device, be provided with activating apparatus, can make to make it discharge the nutriment being conducive to vegetation growth during Rain water returning, real reaches saving fertilizer, the object of Rainwater Resources more.
Summary of the invention
In order to solve institute's problems faced in background technology, the purpose of this utility model is to provide a kind of Initial Runoff collection and purification reutilizing device.
The technical solution of the utility model is as follows:
A kind of Initial Runoff collection and purification reutilizing device comprises accumulation device, runoff gathering-device, reclamation set, cavity, catchment, engineering soil layer, activating apparatus;
Described accumulation device comprises: tank, balance pipe, ventilating pipe;
Described reclamation set comprises: irrigate lateral, submersible pump, irrigation conduit;
Described runoff gathering-device comprises: runoff collecting pipe, filter screen;
Described catchment comprises: purifier and dewatering installation;
Described purifier comprises: synchronous nitration and denitrification layer, filtration beds;
Described dewatering installation comprises: draining filler, gutter;
Described activating apparatus comprises: grooved pipe, activator;
Multiple tanks in runoff gathering-device are connected with ventilating pipe by balance pipe, tank is communicated to earth's surface by the runoff collecting pipe of runoff gathering-device, catchment is arranged in the cavity above tank, filtration beds and synchronous nitration and denitrification layer is laid successively from top to bottom in purifier, laying project soil layer above filtration beds, irrigation lateral unit in reclamation set to be embedded in engineering soil layer and to be communicated with irrigation conduit, irrigation conduit is communicated with tank by submersible pump, the grooved pipe of activating apparatus is arranged on irrigates lateral delivery port, realize rainfall runoff collection and purification recycling.
Preferably, described grooved pipe is provided with activator, activator material is load citric acid on the activated carbon, ascorbic acid.
Preferably, the water yield between balance pipe (2) and the next balanced multiple tank of ventilating pipe (3) is provided with between described tank.
Preferably, described purifier is made up of filtration beds and synchronous nitration and denitrification layer, one or more in filtration beds material selection shell, stalk, active carbon, activated alumina, synchronous nitration and denitrification layer material chooses the active PVF foam stuffing that filling quality mark is the high-molecular porous carrier of 8% active carbon.
Preferably, described dewatering installation is made up of draining filler and gutter, and the rainwater through the cleaning of purification enters drainage blanket, is discharged by gutter.
Preferably, described draining filler is rubble, cobble or sandy soil.
Preferably, described runoff collecting pipe is provided with filter screen, filters foreign material in order to avoid blocking rainwater-collecting pipeline.
The beneficial effects of the utility model are that wherein a part of rainwater enters river, lake through vegetation absorption, the final pollution-free risk of purifier or enters underground water.Another part forms surface flow, be stored in water storage device by runoff gathering-device, need during water, to utilize pumping equipment to extract water storage to ground, become the recycling water resource being more conducive to vegetation growth through activating apparatus, reduce the pollution to environment simultaneously.
Device collects surface flow by rainfall runoff gathering-device and accumulation device, decrease the loss of water resource, and the object of rainwater reuse is reached by reclamation set, this device can utilize nutraceutical concentration by vegetation in activating apparatus raising recycle-water simultaneously, has saved fertilising cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model example 1.
Fig. 2 is the partial enlarged drawing of the utility model example 1.
Fig. 3 is the activating apparatus figure of the utility model example 1.
In figure: tank 1, balance pipe 2, ventilating pipe 3, submersible pump 4, draining filler 5, synchronous nitration and denitrification layer 6, filtration beds 7, gutter 8, irrigation conduit 9, rainwater collection collector 10, filter screen 11, activating apparatus 12, concrete cavity 13, irrigation lateral 14, engineering soil layer 15, grooved pipe 16, activator 17.
Detailed description of the invention
Be described further below in conjunction with the multipair the utility model of the drawings and specific embodiments.
Shown in Fig. 1-3, a kind of Initial Runoff collection and purification reutilizing device comprises accumulation device, runoff gathering-device, reclamation set, cavity 13, catchment, engineering soil layer 15, activating apparatus 12; The wall of cavity 13 is laid by concrete and is formed.
Described accumulation device comprises: tank 1, balance pipe 2, ventilating pipe 3;
Described reclamation set comprises: irrigate lateral 14, submersible pump 4, irrigation conduit 9;
Described runoff gathering-device comprises: runoff collecting pipe 10, filter screen 11;
Described catchment comprises: purifier and dewatering installation;
Described purifier comprises: synchronous nitration and denitrification layer 6, filtration beds 7;
Described dewatering installation comprises: draining filler 5, gutter 8;
Described activating apparatus 12 comprises: grooved pipe 16, activator 17;
Multiple tanks 1 in runoff gathering-device are connected with ventilating pipe 3 by balance pipe 2, tank 1 is communicated to earth's surface by the runoff collecting pipe 10 of runoff gathering-device, catchment is arranged in the cavity 13 above tank 1, filtration beds 7 and synchronous nitration and denitrification layer 6 is laid successively from top to bottom in purifier, laying project soil layer 15 above filtration beds 7, irrigation lateral unit 14 in reclamation set to be embedded in engineering soil layer 15 and to be communicated with irrigation conduit 9, irrigation conduit 9 is communicated with tank 1 by submersible pump 3, the grooved pipe 16 of activating apparatus 12 is arranged on irrigates lateral 14 delivery port, realize rainfall runoff collection and purification recycling.
Described grooved pipe 16 is provided with activator 17, and activator 17 material is load citric acid on the activated carbon, ascorbic acid.
Be provided with the water yield between balance pipe 2 and the balanced multiple tank of ventilating pipe 3 between described tank 1, the quantity of described tank, shape and material are arranged according to the actual conditions of locality.
Described purifier is made up of filtration beds 7 and synchronous nitration and denitrification layer 6, one or more in the obvious materials of adsorption effect such as filtration beds 7 material selection shell, stalk, active carbon, activated alumina, synchronous nitration and denitrification layer 6 material selection filling quality mark is the active PVF foam stuffing of the high-molecular porous carrier of 8% active carbon.
Described dewatering installation is made up of draining filler 5 and gutter 8, and the rainwater through the cleaning of purification enters drainage blanket, is discharged by gutter.
The permeable forthright good materials such as rubble, cobble or sandy soil selected by described draining filler 5.
Described runoff collecting pipe 10 is provided with filter screen 11, filters foreign material in order to avoid blocking rainwater-collecting pipeline.
The Initial Runoff collection and purification reuse method of described device is:
During rainfall, the runoff collecting pipe 10 that part rainwater formation footpath flows through with filter screen 11 enters the tank 1 being positioned at underground; Another part rainwater drop to ground and is flowed in the cavity 13 constructed by concrete, this part rainwater part is dammed by surface vegetation, engineering soil layer 15 is seeped under another part, catchment is entered after the filtration of engineering soil layer 15, lower infiltration is first through filtration beds 7, then through synchronous nitration and denitrification layer 6, eventually pass draining filler 5 and enter rivers and lakes or underground water by gutter 8;
When needing water, submersible pump 4 is utilized to draw water from tank 1, the irrigation lateral 14 on earth's surface is delivered to by irrigation conduit 9, the rainwater stored is mixed into the activator 17 in activating apparatus 12 when delivery port flows out, during rainwater reuse, unabsorbed moisture enters into filtration beds 7 and the synchronous nitration and denitrification layer 6 of purifier again through engineering soil layer 15, finally enters drainage blanket 5 and is discharged by gutter 8.
During rainfall, the rainwater collection collector 10 that a part of rainfall formation footpath flows through with filter screen 11 directly enters the tank 1 being positioned at underground.Another part rainwater drop to ground and is flowed in the cavity 13 constructed by concrete, wherein a part is dammed by surface vegetation, be seeped into engineering soil layer 15 under a part, after the filtration of engineering soil layer 15, enter into the catchment be made up of purifier and dewatering installation.Lower infiltration is first through filtration beds 7, then through synchronous nitration and denitrification layer 6, eventually pass water permeability good catchment filler 5 and enter rivers and lakes or underground water by gutter 8.
When needing water, submersible pump 4 is utilized to draw water from tank 1, the irrigation lateral 14 on earth's surface is delivered to by irrigation conduit 9, the rainwater stored during irrigation flows out from delivery port, by the impact of the activating apparatus 12 be made up of grooved pipe 16 and activator 17, rainwater can discharge and be conducive to microbe survival in soil and breeding more, and can promote the nutrition of plant root Nodule Growth, can promote that Soil Microorganism and plant are to the absorption of the nutriment such as nitrogen, phosphorus in recycle-water.During rainwater reuse, unabsorbed moisture enters into filtration beds 7 and the synchronous nitration and denitrification layer 6 of purifier again through engineering soil layer 15, finally enters drainage blanket 5 and is discharged by gutter 8.Through a series of adsorption filtration and the biological nitrification-denitrification process transformed, the content of the materials such as the nitrogen in water body, phosphorus reduces greatly, and the threat of water body to environment eutrophication of discharge is also eliminated substantially.

Claims (7)

1.一种初期径流收集净化再利用装置,其特征在于:包括蓄集装置、径流收集装置、回用装置、腔体(13)、排水区、工程土层(15)、活化装置(12); 1. A primary runoff collection, purification and reuse device, characterized in that it includes a storage device, a runoff collection device, a recycling device, a cavity (13), a drainage area, an engineering soil layer (15), and an activation device (12) ; 所述的蓄集装置包括:储水容器(1)、平衡管(2)、通气管(3); The storage device includes: a water storage container (1), a balance pipe (2), and a ventilation pipe (3); 所述的回用装置包括:灌溉分支管道(14)、潜水泵(4)、灌溉管道(9); The recycling device includes: irrigation branch pipeline (14), submersible pump (4), irrigation pipeline (9); 所述的径流收集装置包括:径流收集管(10)、滤网(11); The runoff collection device includes: a runoff collection pipe (10), a filter screen (11); 所述的排水区包括:净化装置和排水装置; The drainage area includes: a purification device and a drainage device; 所述的净化装置包括:同步硝化反硝化层(6)、过滤层(7); The purification device includes: synchronous nitrification and denitrification layer (6), filter layer (7); 所述的排水装置包括:排水填料(5)、排水管(8); The drainage device includes: drainage filler (5), drainage pipe (8); 所述的活化装置(12)包括:带槽管(16)、活化剂(17); The activation device (12) includes: a grooved tube (16), an activator (17); 径流收集装置中的多个储水容器(1)通过平衡管(2)和通气管(3)相连,储水容器(1)通过径流收集装置的径流收集管(10)连通至地表,排水区位于储水容器(1)上方的腔体(13)中,净化装置中自上而下依次铺设过滤层(7)和同步硝化反硝化层(6),过滤层(7)上方铺设工程土层(15),回用装置中的灌溉分支管道单元(14)埋设在工程土层(15)内并与灌溉管道(9)连通,灌溉管道(9)通过潜水泵(3)与储水容器(1)连通,活化装置(12)的带槽管(16)设置在灌溉分支管道(14)出水口,实现降雨径流收集净化再利用。 The multiple water storage containers (1) in the runoff collection device are connected through the balance pipe (2) and the ventilation pipe (3), and the water storage containers (1) are connected to the surface through the runoff collection pipe (10) of the runoff collection device, and the drainage area Located in the cavity (13) above the water storage container (1), the filter layer (7) and synchronous nitrification and denitrification layer (6) are laid sequentially in the purification device from top to bottom, and the engineered soil layer is laid above the filter layer (7) (15), the irrigation branch pipeline unit (14) in the recycling device is buried in the engineering soil layer (15) and communicated with the irrigation pipeline (9), and the irrigation pipeline (9) is connected to the water storage container ( 1) Connected, the grooved pipe (16) of the activation device (12) is arranged at the water outlet of the irrigation branch pipe (14), so as to realize the collection, purification and reuse of rainfall runoff. 2.如权利要求1所述的初期径流收集净化再利用装置,其特征在于:所述带槽管(16)上设置有活化剂(17),活化剂(17)材料为负载在活性炭上的柠檬酸、抗坏血酸。 2. The initial runoff collection, purification and reuse device according to claim 1, characterized in that: the grooved pipe (16) is provided with an activator (17), and the material of the activator (17) is activated carbon Citric Acid, Ascorbic Acid. 3.如权利要求1所述的初期径流收集净化再利用装置,其特征在于:所述的储水容器(1)之间设有平衡管(2)和通气管(3)来均衡多个储水容器之间的水量。 3. The initial runoff collection, purification and reuse device according to claim 1, characterized in that: a balance pipe (2) and a ventilation pipe (3) are provided between the water storage containers (1) to balance multiple storage containers. The amount of water between the water containers. 4.如权利要求1所述的初期径流收集净化再利用装置,其特征在于:所述的净化装置由过滤层(7)和同步硝化反硝化层(6)组成,过滤层(7)材料选取果壳、秸秆、活性炭、活性氧化铝中的一种或多种,同步硝化反硝化层(6)材料选取填充质量分数为8%活性炭的高分子多孔载体的活性PVF泡沫填料。 4. The primary runoff collection, purification and reuse device according to claim 1, characterized in that: the purification device is composed of a filter layer (7) and a simultaneous nitrification and denitrification layer (6), and the material of the filter layer (7) is selected One or more of fruit shells, straw, activated carbon, and activated alumina. The material for the simultaneous nitrification and denitrification layer (6) is active PVF foam filler filled with a polymer porous carrier with a mass fraction of 8% activated carbon. 5.如权利要求1所述的初期径流收集净化再利用装置,其特征在于所述的排水装置由排水填料(5)和排水管(8)组成,经过净化的洁净的雨水进入排水层,通过排水管排出。 5. The initial runoff collection, purification and reuse device according to claim 1, characterized in that the drainage device is composed of drainage filler (5) and drainage pipe (8), and the purified rainwater enters the drainage layer and passes through Drain out. 6.如权利要求5所述的初期径流收集净化再利用装置,其特征在于:所述的排水填料(5)为碎石、卵石或沙土。 6. The device for collecting, purifying and reusing initial runoff according to claim 5, characterized in that: the drainage filler (5) is gravel, pebble or sand. 7.如权利要求1所述的初期径流收集净化再利用装置,其特征在于:所述的径流收集管(10)上设置有滤网(11),过滤杂物以免堵塞雨水收集管道。 7. The device for collecting, purifying and reusing initial runoff according to claim 1, characterized in that: said runoff collecting pipe (10) is provided with a filter screen (11) to filter debris so as not to block the rainwater collecting pipe.
CN201520044268.5U 2015-01-22 2015-01-22 A kind of Initial Runoff collection and purification reutilizing device Expired - Lifetime CN204530839U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104594446A (en) * 2015-01-22 2015-05-06 浙江大学 Initial runoff collection, purification and recycling system and initial runoff collection, purification and recycling method thereof
CN105507221A (en) * 2016-01-18 2016-04-20 浙江大学 Paddy field pollutant joint control consumption device based on liquid level control and method
CN105668797A (en) * 2016-01-18 2016-06-15 浙江大学 Device and method for optimally abating initial runoff pollution by aid of paddy field
CN105803892A (en) * 2016-03-16 2016-07-27 南京林业大学 Method capable of being used for rain water seepage-filtering, collection and storage and purification in sponge city
CN107662983A (en) * 2016-07-28 2018-02-06 亿利资源集团有限公司 A kind of processing method and system of salt-soda soil bitter

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104594446A (en) * 2015-01-22 2015-05-06 浙江大学 Initial runoff collection, purification and recycling system and initial runoff collection, purification and recycling method thereof
CN105507221A (en) * 2016-01-18 2016-04-20 浙江大学 Paddy field pollutant joint control consumption device based on liquid level control and method
CN105668797A (en) * 2016-01-18 2016-06-15 浙江大学 Device and method for optimally abating initial runoff pollution by aid of paddy field
CN105507221B (en) * 2016-01-18 2017-04-19 浙江大学 Paddy field pollutant joint control consumption device based on liquid level control and method
CN105803892A (en) * 2016-03-16 2016-07-27 南京林业大学 Method capable of being used for rain water seepage-filtering, collection and storage and purification in sponge city
CN107662983A (en) * 2016-07-28 2018-02-06 亿利资源集团有限公司 A kind of processing method and system of salt-soda soil bitter
CN107662983B (en) * 2016-07-28 2023-11-28 亿利资源集团有限公司 Treatment method and system for brackish water of saline-alkali soil

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