CN108331129A - Sponge urban rainwater purification collection system and rainwater treatment method - Google Patents
Sponge urban rainwater purification collection system and rainwater treatment method Download PDFInfo
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- 238000000746 purification Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims description 10
- 238000012545 processing Methods 0.000 claims abstract description 146
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 140
- 239000010865 sewage Substances 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims description 61
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 239000012535 impurity Substances 0.000 claims description 11
- 238000003973 irrigation Methods 0.000 claims description 11
- 230000002262 irrigation Effects 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 11
- 238000007667 floating Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 8
- 239000013049 sediment Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 230000002542 deteriorative effect Effects 0.000 claims description 2
- 238000004332 deodorization Methods 0.000 claims 1
- 238000003672 processing method Methods 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000008239 natural water Substances 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
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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
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/20—Measuring flow in sewer systems
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- Y02A20/108—Rainwater harvesting
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Abstract
Description
技术领域technical field
本发明涉及海绵城市建设技术领域，尤其涉及一种海绵城市雨水净化收集系统及雨水处理方法。The invention relates to the technical field of sponge city construction, in particular to a sponge city rainwater purification collection system and a rainwater treatment method.
背景技术Background technique
我国是水资源相对短缺的国家，人均水资源占有量仅为世界平均水平的28%。据2017年统计，我国用水总量已经突破6100亿立方米，但全国缺水量仍达500多亿立方米，近2/3城市不同程度缺水。随着经济社会不断发展，今后相当长时间内，水资源供需矛盾将更加突出。my country is a country that is relatively short of water resources, and the per capita water resources are only 28% of the world average. According to statistics in 2017, my country's total water consumption has exceeded 610 billion cubic meters, but the national water shortage is still more than 50 billion cubic meters, and nearly two-thirds of the cities are short of water to varying degrees. With the continuous development of economy and society, the contradiction between supply and demand of water resources will become more prominent for a long time to come.
城市用水是城市生产、生活、消防和市政管理等活动所需用水的统称。目前城市用水主要通过以下几种方式实现：一是利用江河湖泊，这对于降水资源丰富的地区比较适用；二是开采地下水，目前缺水城市大多采用开采地下水的方式维持城市用水，很多城市因为超采地下水导致低下水位下降，这在干旱的内陆城市尤为明显；三是海水淡化，但是由于沿海城市一般降水资源丰富，同时海水淡化成本较高，目前应用较少。Urban water use is a general term for the water required for activities such as urban production, living, fire protection, and municipal management. At present, urban water use is mainly achieved through the following methods: one is to use rivers and lakes, which is more suitable for areas with abundant precipitation resources; the other is to exploit groundwater. Mining groundwater leads to lower water levels, especially in arid inland cities. The third is seawater desalination. However, due to the abundance of precipitation resources in coastal cities and the high cost of seawater desalination, it is currently less used.
中国大多数地区都存在着降雨集中的问题。在实行污水、雨水分流制的情况下，污水由排水管道收集，送至污水处理后，排入水体或回收利用；雨水径流由排水管道收集后，就近排入水体。由于过去社会的审美认为城市硬化越好，越显得高端、大气、上档次，同时排水管网设计跟不上城市发展速度，导致每逢雨季，就容易出现城市内涝。因此利用好降雨对于缓解城市用水和城市内涝问题十分有必要。海绵城市，是新一代城市雨洪管理概念，国际通用术语为“低影响开发雨水系统构建”。The problem of concentrated rainfall exists in most parts of China. In the case of sewage and rainwater separation system, sewage is collected by drainage pipes, sent to sewage treatment, discharged into water bodies or recycled; rainwater runoff is collected by drainage pipes, and discharged into nearby water bodies. Due to the aesthetics of the past society, the better the hardening of the city, the more high-end, atmospheric, and high-grade. At the same time, the design of the drainage pipe network cannot keep up with the speed of urban development. As a result, urban waterlogging is prone to occur during the rainy season. Therefore, it is very necessary to make good use of rainfall to alleviate the problems of urban water use and urban waterlogging. Sponge city is a new generation of urban stormwater management concept, and the international general term is "low-impact development stormwater system construction".
城市用水中的生产、生活、消防和市政管理等活动所需用水，不同的用途，对于水的品质的要求也不同，因此对于降雨的收集处理也不同。目前，海绵城市建设正处于初级阶段，对于降雨的利用还不完善，存在着基础设施建设成本高、维护成本高、寿命短，同时雨水利用不合理的问题。The water used for production, living, fire protection, municipal management and other activities in urban water use has different requirements for water quality, so the collection and treatment of rainfall are also different. At present, the construction of sponge cities is in its infancy, and the utilization of rainfall is not yet perfect. There are problems of high infrastructure construction costs, high maintenance costs, short lifespan, and unreasonable utilization of rainwater.
发明内容Contents of the invention
有鉴于此，有必要提供一种成本低、能够对雨水分级利用的海绵城市雨水净化收集系统。In view of this, it is necessary to provide a sponge city rainwater purification and collection system that is low in cost and can utilize rainwater in stages.
本发明还提供一种海绵城市雨水处理方法。The invention also provides a sponge city rainwater treatment method.
一种海绵城市雨水净化收集系统包括初期降雨处理模块、第一降雨处理和收集模块、第二降雨处理和收集模块、第三降雨处理和收集模块、控制模块和供能模块，所述初期降雨处理模块与污水排水管道连通，以将初期降雨排入污水管道中并由污水厂处理，初期降雨处理模块与污水排出管道之间设置通污阀门，以控制降雨向污水排出管道的排出，初期降雨处理模块还与第一降雨处理和收集模块连通，以将预定流量后的雨水由初期降雨处理模块排入第一降雨处理和收集模块，第一降雨处理和收集模块对雨水中漂浮的杂质进行过滤，并将过滤后的雨水进行沉降收集，第一降雨处理和收集模块中设有第一水泵，以将经过沉降收集后的雨水作为消防用水通过第一水泵输出，初期降雨处理模块与第一降雨处理和收集模块之间设置第一阀门，以控制降雨向第一降雨处理和收集模块的排出，第一降雨处理和收集模块还与第二降雨处理和收集模块连通，以将经过沉降后的雨水排入第二降雨处理和收集模块，以过滤雨水中悬浮的杂质并收集雨水，第二降雨处理和收集模块设有第二水泵，以将过滤悬浮的杂质后的雨水作为灌溉或景观用水通过第二水泵输出，第一降雨处理和收集模块与第二降雨处理和收集模块之间设有第二阀门，以控制降雨向第二降雨处理和收集模块排出，第二降雨处理和收集模块与第三降雨处理和收集模块连通，以将经过过滤后的雨水排入第三降雨处理和收集模块，以去除雨水中的异味和颜色并收集雨水，第三降雨处理和收集模块设有第三水泵，以将去除异味和颜色的雨水作为清洁用水通过第三水泵输出，第二降雨处理和收集模块与第三降雨处理与收集模块之间设有第三阀门，以控制雨水向第三降雨处理和收集模块排出，所述控制模块设有液位传感装置，且控制模块与通污阀门、第一阀门、第二阀门、第三阀门电性连接，以控制雨水的流向，所述供能模块与控制模块、通污阀门、第一阀门、第二阀门、第三阀门电性连接，以提供电能。A sponge city rainwater purification and collection system includes an initial rainfall processing module, a first rainfall processing and collection module, a second rainfall processing and collection module, a third rainfall processing and collection module, a control module and an energy supply module, the initial rainfall processing The module is connected with the sewage drainage pipeline to discharge the initial rainfall into the sewage pipeline and be treated by the sewage plant. A sewage valve is set between the initial rainfall treatment module and the sewage discharge pipeline to control the discharge of rainfall to the sewage discharge pipeline. The initial rainfall treatment The module is also connected with the first rainfall processing and collection module, so that the rainwater after the predetermined flow is discharged from the initial rainfall processing module into the first rainfall processing and collection module, and the first rainfall processing and collection module filters the impurities floating in the rainwater, And the filtered rainwater is settled and collected. The first rainfall treatment and collection module is equipped with a first water pump, so that the rainwater collected after settlement is used as fire-fighting water and output through the first water pump. The initial rainfall treatment module and the first rainfall treatment A first valve is set between the first rainfall processing and collection module to control the discharge of rainfall to the first rainfall processing and collection module, and the first rainfall processing and collection module is also connected to the second rainfall processing and collection module to discharge the settled rainwater into the second rainfall treatment and collection module to filter the suspended impurities in the rainwater and collect the rainwater. The second rainfall treatment and collection module is equipped with a second water pump to use the rainwater after filtering the suspended impurities as irrigation or landscape water through the second Water pump output, a second valve is provided between the first rainfall processing and collection module and the second rainfall processing and collection module to control the discharge of rainfall to the second rainfall processing and collection module, the second rainfall processing and collection module and the third rainfall processing The treatment and collection module is connected to discharge the filtered rainwater into the third rainfall treatment and collection module to remove the odor and color of the rainwater and collect the rainwater. The third rainfall treatment and collection module is provided with a third water pump to The rainwater with odor and color removed is output as cleaning water through the third water pump, and a third valve is installed between the second rainfall processing and collection module and the third rainfall processing and collection module to control the discharge of rainwater to the third rainfall processing and collection module , the control module is provided with a liquid level sensing device, and the control module is electrically connected with the sewage valve, the first valve, the second valve, and the third valve to control the flow of rainwater, and the energy supply module and the control module , The sewage valve, the first valve, the second valve, and the third valve are electrically connected to provide electric energy.
一种海绵城市雨水处理方法包括以下步骤：A kind of sponge city rainwater treatment method comprises the following steps:
步骤S001，打开通污阀门，并关闭第一阀门，使雨水从初期降雨处理模块进入城市排水管道进行污水处理；Step S001, open the sewage valve, and close the first valve, so that the rainwater enters the urban drainage pipe from the initial rainfall treatment module for sewage treatment;
步骤S002，当流量计检测到的实时流量值大于控制器设置的预定流量值时，关闭通污阀门，并打开第一阀门，使雨水进入第一降雨处理和收集模块，对雨水进行过滤和沉降处理，以除去雨水中的漂浮物和沉降物，第一降雨处理和收集模块中的雨水作为消防用水或道路喷洒用水；Step S002, when the real-time flow value detected by the flowmeter is greater than the predetermined flow value set by the controller, close the sewage valve, and open the first valve, so that the rainwater enters the first rainfall processing and collection module to filter and settle the rainwater Treatment to remove floating and sediment in rainwater, rainwater in the first rainfall treatment and collection module as fire water or road spraying water;
步骤S003，当第一液位传感器检测到的第一降雨处理和收集模块中的降雨的液位高于设定的第一基准液位时，控制器打开第二阀门，使水进入第二降雨处理和收集模块，对雨水进行过滤，以除去雨水中的悬浮物，第二降雨处理和收集模块中的雨水作为园林灌溉用水；Step S003, when the liquid level of the rainfall in the first rainfall processing and collection module detected by the first liquid level sensor is higher than the set first reference liquid level, the controller opens the second valve to allow water to enter the second rainfall The treatment and collection module filters the rainwater to remove suspended matter in the rainwater, and the rainwater in the second rainfall treatment and collection module is used as water for garden irrigation;
步骤S004，当第二液位传感器检测到的迪士尼降雨处理和收集模块中的降雨的液位高于设定的第二基准液位时，控制器打开第三阀门，使水进入第三降雨处理和收集模块，对雨水进行过滤，以除去雨水中的颜色和异味，第三降雨处理和收集模块中的雨水作为清洁用水。Step S004, when the liquid level of the rainfall in the Disney rainfall processing and collection module detected by the second liquid level sensor is higher than the set second reference liquid level, the controller opens the third valve to allow water to enter the third rainfall processing and the collection module to filter the rainwater to remove the color and odor in the rainwater, and the rainwater in the third rainfall treatment and collection module is used as cleaning water.
有益效果：本发明的海绵城市雨水净化收集系统包括初期降雨处理模块、第一降雨处理和收集模块、第二降雨处理和收集模块、第三降雨处理和收集模块、控制模块和供能模块，以对雨水进行分级处理，并且每一级雨水都能够被合理的利用，雨水的处理成本得到明显降低。本发明的海绵城市雨水处理方法能够对雨水进行合理的处理和利用，使得雨水的利用成本更低，同时能够防止初期降雨排到自然水系中污染环境。Beneficial effects: the sponge city rainwater purification and collection system of the present invention includes an initial rainfall processing module, a first rainfall processing and collection module, a second rainfall processing and collection module, a third rainfall processing and collection module, a control module and an energy supply module to The rainwater is classified and treated, and each level of rainwater can be used reasonably, and the cost of rainwater treatment is significantly reduced. The method for treating rainwater in the sponge city of the present invention can reasonably treat and utilize rainwater, so that the utilization cost of rainwater is lower, and at the same time, it can prevent initial rainfall from being discharged into natural water systems to pollute the environment.
附图说明Description of drawings
图1为本发明的海绵城市雨水净化收集系统的功能模块图。Fig. 1 is a functional block diagram of the sponge city rainwater purification collection system of the present invention.
图中：海绵城市雨水净化收集系统10、初期降雨处理模块20、通污阀门201、第一降雨处理和收集模块30、第一阀门301、第二降雨处理和收集模块40、第二阀门401、第三降雨处理和收集模块50、第三阀门501、控制模块60、流量计601、第一液位传感器602、第二液位传感器603、第三液位传感器604、控制器605。In the figure: sponge city rainwater purification collection system 10, initial rainfall processing module 20, sewage valve 201, first rainfall processing and collection module 30, first valve 301, second rainfall processing and collection module 40, second valve 401, The third rainfall processing and collection module 50 , the third valve 501 , the control module 60 , the flow meter 601 , the first liquid level sensor 602 , the second liquid level sensor 603 , the third liquid level sensor 604 , and the controller 605 .
具体实施方式Detailed ways
为了更清楚地说明本发明实施例的技术方案，下面将对实施例中所需要使用的附图作简单的介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the embodiments. Obviously, the accompanying drawings in the following description are some embodiments of the present invention. Ordinary technicians can also obtain other drawings based on these drawings on the premise of not paying creative work.
请参看图1，海绵城市雨水净化收集系统10包括初期降雨处理模块20、第一降雨处理和收集模块30、第二降雨处理和收集模块40、第三降雨处理和收集模块50、控制模块60和供能模块，所述初期降雨处理模块20与污水排水管道连通，以将初期降雨排入污水管道中并由污水厂处理，初期降雨处理模块20与污水排出管道之间设置通污阀门201，以控制降雨向污水排出管道的排出，初期降雨处理模块20还与第一降雨处理和收集模块30连通，以将预定流量后的雨水由初期降雨处理模块20排入第一降雨处理和收集模块30，第一降雨处理和收集模块30对雨水中漂浮的杂质进行过滤，并将过滤后的雨水进行沉降收集，第一降雨处理和收集模块30中设有第一水泵，以将经过沉降收集后的雨水作为消防用水通过第一水泵输出，初期降雨处理模块20与第一降雨处理和收集模块30之间设置第一阀门301，以控制降雨向第一降雨处理和收集模块30的排出，第一降雨处理和收集模块30还与第二降雨处理和收集模块40连通，以将经过沉降后的雨水排入第二降雨处理和收集模块40，以过滤雨水中悬浮的杂质并收集雨水，第二降雨处理和收集模块40设有第二水泵，以将过滤悬浮的杂质后的雨水作为灌溉或景观用水通过第二水泵输出，第一降雨处理和收集模块30与第二降雨处理和收集模块40之间设有第二阀门401，以控制降雨向第二降雨处理和收集模块40排出，第二降雨处理和收集模块40与第三降雨处理和收集模块50连通，以将经过过滤后的雨水排入第三降雨处理和收集模块50，以去除雨水中的异味和颜色并收集雨水，第三降雨处理和收集模块50设有第三水泵，以将去除异味和颜色的雨水作为清洁用水通过第三水泵输出，第二降雨处理和收集模块40与第三降雨处理与收集模块50之间设有第三阀门501，以控制雨水向第三降雨处理和收集模块50排出，所述控制模块60设有液位传感装置，且控制模块60与通污阀门201、第一阀门301、第二阀门401、第三阀门501电性连接，以控制雨水的流向，所述供能模块与控制模块60、通污阀门201、第一阀门301、第二阀门401、第三阀门501电性连接，以提供电能。Please refer to Fig. 1, sponge city rainwater purification collection system 10 comprises initial rainfall processing module 20, first rainfall processing and collection module 30, second rainfall processing and collection module 40, the 3rd rainfall processing and collection module 50, control module 60 and The energy supply module, the initial rainfall processing module 20 is communicated with the sewage drainage pipe, so that the initial rainfall is discharged into the sewage pipe and treated by the sewage plant, and the sewage discharge valve 201 is set between the initial rainfall processing module 20 and the sewage discharge pipe, so as to To control the discharge of rainfall to the sewage discharge pipeline, the initial rainfall processing module 20 is also communicated with the first rainfall processing and collection module 30, so that the rainwater after the predetermined flow rate is discharged into the first rainfall processing and collection module 30 by the initial rainfall processing module 20, The first rainfall processing and collection module 30 filters the floating impurities in the rainwater, and settles and collects the filtered rainwater. The first rainfall processing and collection module 30 is provided with a first water pump to collect the rainwater after sedimentation As fire water is output by the first water pump, a first valve 301 is set between the initial rainfall processing module 20 and the first rainfall processing and collection module 30 to control the discharge of rainfall to the first rainfall processing and collection module 30, the first rainfall processing And collection module 30 is also communicated with the second rainfall processing and collection module 40, so that the rainwater after settlement is discharged into the second rainfall processing and collection module 40, to filter suspended impurities in the rainwater and collect rainwater, the second rainfall processing and The collection module 40 is provided with a second water pump to output the rainwater after filtering the suspended impurities as irrigation or landscape water through the second water pump. The second valve 401 is used to control the discharge of rainfall to the second rainfall processing and collection module 40, and the second rainfall processing and collection module 40 communicates with the third rainfall processing and collection module 50 to discharge filtered rainwater into the third rainfall The treatment and collection module 50 is used to remove the odor and color in the rainwater and collect the rainwater. The third rainfall treatment and collection module 50 is provided with a third water pump to output the rainwater from the removal of the odor and color as cleaning water through the third water pump. A third valve 501 is provided between the second rainfall processing and collection module 40 and the third rainfall processing and collection module 50 to control the discharge of rainwater to the third rainfall processing and collection module 50, and the control module 60 is provided with a liquid level sensor device, and the control module 60 is electrically connected with the sewage valve 201, the first valve 301, the second valve 401, and the third valve 501 to control the flow of rainwater. The energy supply module is connected with the control module 60 and the sewage valve 201 , the first valve 301, the second valve 401, and the third valve 501 are electrically connected to provide electric energy.
雨水降落到地面后，受地面的污染物的影响较大。针对不同的地面，污染物的差别也较大。如果是以草木为主的地面，那么雨水中含有的枯枝烂叶较多。由于人的素质良莠不齐，地面上还含有烟头、垃圾乃至一些人或动物的排泄物。本发明的海绵城市雨水净化收集系统10先通过初期降雨处理模块20将含有较脏污染物的雨水排入城市的污水管网进行处理。现有技术一般将这部分雨水通过排水管道排入就近自然水系中。这种排水方式容易将污染物带入自然水系，从而造成环境污染。本发明的海绵城市雨水净化收集系统10可以避免上述情况的发生。随着降雨的继续进行，地面容易被带走的部分污染物被阻挡在初期降雨处理模块20外，部分污染物随着初期降雨处理模块20流入第一降雨处理和收集模块30，雨水中含有的漂浮物特点是面积大、质量轻，第一降雨处理和收集模块30先将雨水中含有的漂浮物过滤出去。同时经过沉降后，雨水中的泥沙、石子等重杂物被消除。过滤后的雨水不含有大颗粒物质，同时也较为清洁，消防用水对于水的质量要求不高，同时水中不含沉降物，对于消防储水设备没有影响，因此经过第一降水处理和收集模块处理的雨水能够用作消防用水或是路面喷洒用水。但是部分小颗粒、悬浮物质还存在于雨水中，如果用于园林喷灌、滴灌等，容易引起管口阻塞，造成灌溉设备损坏。第二降雨处理和收集模块40进一步将雨水中含有的悬浮物除去，使雨水进一步处理，从而能够用于园林灌溉和景观用水。目前日常清洁用水采用的都是自来水，由于自来水的品质较高，对于水处理成本也较高。在写字楼等场所，对于清洁用水的需求较大，因此造成了水的使用成本增加。经过第二降水处理和收集模块处理的雨水含有少量色素和气味，不太符合清洁用水的要求，第三降水处理和收集模块能够将雨水中的颜色和气味除去，从而使雨水能够供清洁使用。由于雨水中还含有细菌、病毒等成分，不适合动物饮用或人清洗身体。但是处理这些成分的成本较高，与本发明所要解决的技术问题相冲突，因此不再考虑。After the rain falls to the ground, it is greatly affected by the pollutants on the ground. For different grounds, the pollutants are also quite different. If the ground is dominated by vegetation, there will be more dead branches and rotten leaves in the rainwater. Due to the uneven quality of people, the ground also contains cigarette butts, garbage and even some human or animal excrement. The rainwater purification and collection system 10 of the sponge city of the present invention first discharges the rainwater containing relatively dirty pollutants into the urban sewage pipe network through the initial rainfall treatment module 20 for treatment. In the prior art, this part of rainwater is generally discharged into the nearby natural water system through drainage pipes. This drainage method is easy to bring pollutants into the natural water system, thus causing environmental pollution. The sponge city rainwater purification and collection system 10 of the present invention can avoid the occurrence of the above situation. As the rainfall continues, some pollutants that are easily taken away on the ground are blocked outside the initial rainfall processing module 20, and part of the pollutants flow into the first rainfall processing and collection module 30 along with the initial rainfall processing module 20. Floating objects are characterized by large area and light weight. The first rainfall processing and collecting module 30 first filters out the floating objects contained in the rainwater. At the same time, after settlement, heavy debris such as sediment and stones in the rainwater are eliminated. The filtered rainwater does not contain large particles and is relatively clean. The fire water does not require high water quality, and the water does not contain sediment, which has no effect on the fire water storage equipment. Therefore, it has been processed by the first precipitation treatment and collection module. The rainwater can be used as fire fighting water or road spraying water. However, some small particles and suspended substances still exist in rainwater. If it is used for garden sprinkler irrigation, drip irrigation, etc., it will easily cause nozzle blockage and cause damage to irrigation equipment. The second rainfall treatment and collection module 40 further removes suspended matter contained in the rainwater, so that the rainwater can be further treated, so that it can be used for garden irrigation and landscape water. At present, tap water is used for daily cleaning. Because the quality of tap water is high, the cost of water treatment is also high. In places such as office buildings, there is a greater demand for clean water, which increases the cost of water use. The rainwater treated by the second precipitation treatment and collection module contains a small amount of pigment and odor, which does not meet the requirements of clean water. The third precipitation treatment and collection module can remove the color and odor of the rainwater, so that the rainwater can be used for cleaning. Because rainwater also contains ingredients such as bacteria and viruses, it is not suitable for animals to drink or people to wash their bodies. But the cost of processing these components is relatively high, which conflicts with the technical problem to be solved by the present invention, so it is no longer considered.
进一步的，所述控制模块60包括流量计601、第一液位传感器602、第二液位传感器603、第三液位传感器604、控制器605，所述流量计601设置在初期降雨处理模块20中，以检测进入初期降雨处理模块20中的雨水流量，第一液位传感器602设置在第一降雨处理和收集模块30中，以检测第一降雨处理和收集模块30中的雨水的液位信息，第二液位传感器603设置在第二降雨处理和收集模块40中，以检测第二降雨处理和收集模块40中的雨水的液位信息，第三液位传感器604设置在第三降雨处理和收集模块50中，以检测进入第三降雨处理和收集模块50中的雨水的液位信息。Further, the control module 60 includes a flow meter 601, a first liquid level sensor 602, a second liquid level sensor 603, a third liquid level sensor 604, and a controller 605, and the flow meter 601 is arranged in the initial rainfall processing module 20 In order to detect the rainwater flow rate entering the initial rainfall processing module 20, the first liquid level sensor 602 is arranged in the first rainfall processing and collection module 30 to detect the liquid level information of the rainwater in the first rainfall processing and collection module 30 , the second liquid level sensor 603 is arranged in the second rainfall processing and collection module 40 to detect the liquid level information of the rainwater in the second rainfall processing and collection module 40, and the third liquid level sensor 604 is arranged in the third rainfall processing and collection module 40. In the collecting module 50, to detect the liquid level information of the rainwater entering the third rainfall processing and collecting module 50.
进一步的，所述控制模块60还包括雨水存放时间报警单元，以提醒人员防止存放时间过长导致雨水变质，所述雨水存放时间报警单元包括计时器、报警灯，所述计时器与报警灯电性连接，计时器设有预定时间值，当雨水停止流入海绵城市雨水净化收集系统10时，计时器开始计时，当计时时间超过预定时间值时，计时器控制报警灯发光，以提醒工作人员。Further, the control module 60 also includes a rainwater storage time alarm unit to remind personnel to prevent the rainwater from deteriorating due to excessive storage time. The rainwater storage time alarm unit includes a timer and a warning light, and the timer and the warning light are electrically connected. When the rainwater stops flowing into the sponge city rainwater purification and collection system 10, the timer starts counting. When the timing exceeds the predetermined time value, the timer controls the alarm light to light up to remind the staff.
进一步的，所述初期降雨处理模块20包括若干引流支管、格栅板、汇总管、通污阀门201，所述引流支管的一端与格栅板固定连接，以防止水流中裹挟的树枝、超过预定体积的垃圾进入引流支管，引流支管的另一端与汇总管连通，以将引流支管内的雨水聚集到汇总管，汇总管设有两个通孔，以安装通污阀门201和第一阀门301。Further, the initial rainfall processing module 20 includes several diversion branch pipes, grid plates, collecting pipes, and sewage valves 201. One end of the drainage branch pipes is fixedly connected to the grid plates to prevent the branches entrained in the water flow from exceeding a predetermined The volume of garbage enters the drainage branch pipe, and the other end of the drainage branch pipe is connected with the collecting pipe to gather the rainwater in the drainage branch pipe to the collecting pipe. The collecting pipe is provided with two through holes to install the sewage valve 201 and the first valve 301.
在一较佳实施方式中，流量计601设置在汇总管内。In a preferred embodiment, the flow meter 601 is arranged in the collecting pipe.
进一步的，所述第一降雨处理和收集模块30包括第一过滤网、第一水池、第一水泵，所述第一过滤网架设在第一水池上，以去除雨水中漂浮的物质，第一水池的侧壁上方设有第一进水口，第一进水口与初期降雨处理模块20连通，过滤网位于第一进水口的下方，与第一进水口相正对的侧壁上设有第一出水口，第一出水口与第二降雨处理和收集模块40连通，第二阀门401位于第一出水口和第二降雨处理和收集模块40之间，第一水池的底部呈锥形，第一水池的池底设有出物口，出物口设有出物阀门，以控制沉降物的排出，第一水泵设置在第一水池中，以将经过沉降收集后的雨水作为消防用水输出。Further, the first rainfall processing and collection module 30 includes a first filter screen, a first pool, and a first water pump, and the first filter screen is erected on the first pool to remove floating substances in rainwater. A first water inlet is provided above the side wall of the pool, and the first water inlet communicates with the initial rainfall processing module 20. The filter screen is located below the first water inlet, and a first Water outlet, the first water outlet communicates with the second rainfall processing and collection module 40, the second valve 401 is located between the first water outlet and the second rainfall processing and collection module 40, the bottom of the first pool is conical, the first The bottom of the pool is provided with an outlet, and the outlet is provided with an outlet valve to control the discharge of the sediment. The first water pump is arranged in the first pool to output the rainwater collected through sedimentation as fire-fighting water.
在一较佳实施方式中，第一液位传感器602设置在第一水池中，控制器605设有第一基准液位值，当第一液位传感器602检测到第一水池的液位高于第一基准液位值时，控制器605将第二阀门401打开，使水进入第二降雨处理和收集模块40。In a preferred embodiment, the first liquid level sensor 602 is set in the first pool, and the controller 605 sets a first reference liquid level value. When the first liquid level sensor 602 detects that the liquid level in the first pool is higher than When the first reference liquid level is reached, the controller 605 opens the second valve 401 to allow water to enter the second rainfall processing and collection module 40 .
进一步的，所述第二降雨处理和收集模块40包括第二过滤网、第二水池、第二水泵，所述第二过滤网架设在第二水池上，以去除雨水中悬浮的杂质，第二水池的侧壁的上方设有第二进水口，第二进水口与第一出水口连通，以使雨水从第二进水口进入第二水池，第二水池的侧壁还设有第二出水口，第二出水口与第三降雨处理和收集模块50连通，第三阀门501位于第二出水口和第三降雨处理和收集模块50之间，第二水泵设置在第二水池中，以将经过过滤后的雨水作为灌溉或景观用水输出。Further, the second rainfall processing and collection module 40 includes a second filter screen, a second pool, and a second water pump, and the second filter screen is erected on the second pool to remove suspended impurities in the rainwater. A second water inlet is provided above the side wall of the pool, and the second water inlet communicates with the first water outlet so that rainwater enters the second pool from the second water inlet, and a second water outlet is also provided on the side wall of the second pool , the second water outlet communicates with the third rainfall processing and collection module 50, the third valve 501 is located between the second water outlet and the third rainfall processing and collection module 50, and the second water pump is arranged in the second pool to pass through Filtered rainwater is exported as irrigation or landscape water.
在一较佳实施方式中，第二液位传感器603设置在第二水池中，控制器605设有第二基准液位值，当第二液位传感器603检测到第二水池的液位高于第二基准液位值时，控制器605将第二阀门401打开，使水进入第三降雨处理和收集模块50。In a preferred embodiment, the second liquid level sensor 603 is arranged in the second pool, and the controller 605 sets a second reference liquid level value. When the second liquid level sensor 603 detects that the liquid level in the second pool is higher than When the second reference liquid level is reached, the controller 605 opens the second valve 401 to allow water to enter the third rainfall processing and collection module 50 .
在一较佳实施方式中，第二过滤网为海绵。In a preferred embodiment, the second filter is sponge.
进一步的，所述第三降雨处理和收集模块50包括盛水罐、活性炭过滤层、第三水泵，所述盛水罐设有第三进水口，第三进水口与第二出水口连通，活性炭过滤层位于第三进水口内，活性炭过滤层的横截面与第三进水口的形状相匹配，以对雨水进行充分过滤，从而去除雨水中的颜色和异味。Further, the third rainfall processing and collection module 50 includes a water storage tank, an activated carbon filter layer, and a third water pump. The water storage tank is provided with a third water inlet, and the third water inlet communicates with the second water outlet. The filter layer is located in the third water inlet, and the cross-section of the activated carbon filter layer matches the shape of the third water inlet to fully filter the rainwater, thereby removing the color and peculiar smell in the rainwater.
在一较佳实施方式中，第三液位传感器604设置在盛水罐中，控制器605设有第三基准液位值，当第三液位传感器604检测到盛水罐中的液位高于第三基准液位值时，控制器605将第三阀门501关闭，以减少活性炭的消耗。In a preferred embodiment, the third liquid level sensor 604 is arranged in the water storage tank, and the controller 605 is provided with a third reference liquid level value. When the third liquid level sensor 604 detects that the liquid level in the water storage tank is high At the third reference liquid level, the controller 605 closes the third valve 501 to reduce the consumption of activated carbon.
需要说明的是，本发明涉及到过滤的装置属于消耗品，在使用一段时间后需要清洗或更换，因此本发明中的第一过滤网、第二过滤网、活性炭过滤层都为可拆卸设置。It should be noted that the filtering device in the present invention is a consumable and needs to be cleaned or replaced after a period of use. Therefore, the first filter, the second filter, and the activated carbon filter layer in the present invention are all detachable.
在一较佳实施方式中，汇总管还设置止水闸门。当第一液位传感器602、第二液位传感器603、第三液位传感器604检测到的液位均到达设定液位时，控制器605关闭止水闸门，使外界的雨水停止进入海绵城市雨水净化收集系统10，以防止系统受损。In a preferred embodiment, the collective pipe is also provided with a water-stop gate. When the liquid levels detected by the first liquid level sensor 602, the second liquid level sensor 603, and the third liquid level sensor 604 all reach the set liquid level, the controller 605 closes the water stop gate to stop the rainwater from entering the sponge city. Rainwater purification collection system 10 to prevent damage to the system.
本发明的雨水处理步骤如下：Rainwater treatment step of the present invention is as follows:
步骤S001，打开通污阀门201，并关闭第一阀门301，使雨水从初期降雨处理模块20进入城市排水管道进行污水处理；Step S001, open the sewage valve 201, and close the first valve 301, so that the rainwater from the initial rainfall processing module 20 enters the urban drainage pipe for sewage treatment;
步骤S002，当流量计601检测到的实时流量值大于控制器605设置的预定流量值时，关闭通污阀门201，并打开第一阀门301，使雨水进入第一降雨处理和收集模块30，对雨水进行过滤和沉降处理，以除去雨水中的漂浮物和沉降物，第一降雨处理和收集模块30中的雨水作为消防用水或道路喷洒用水；Step S002, when the real-time flow value detected by the flowmeter 601 is greater than the predetermined flow value set by the controller 605, close the sewage valve 201, and open the first valve 301, so that the rainwater enters the first rainfall processing and collection module 30, for The rainwater is filtered and settled to remove floating and settled matter in the rainwater, and the rainwater in the first rainfall treatment and collection module 30 is used as fire-fighting water or road spraying water;
步骤S003，当第一液位传感器602检测到的第一降雨处理和收集模块30中的降雨的液位高于设定的第一基准液位时，控制器605打开第二阀门401，使水进入第二降雨处理和收集模块40，对雨水进行过滤，以除去雨水中的悬浮物，第二降雨处理和收集模块40中的雨水作为园林灌溉用水；Step S003, when the liquid level of the rainfall in the first rainfall processing and collection module 30 detected by the first liquid level sensor 602 is higher than the set first reference liquid level, the controller 605 opens the second valve 401 to make the water Enter the second rainfall processing and collection module 40 to filter the rainwater to remove suspended matter in the rainwater, and the rainwater in the second rainfall processing and collection module 40 is used as garden irrigation water;
步骤S004，当第二液位传感器603检测到的迪士尼降雨处理和收集模块中的降雨的液位高于设定的第二基准液位时，控制器605打开第三阀门501，使水进入第三降雨处理和收集模块50，对雨水进行过滤，以除去雨水中的颜色和异味，第三降雨处理和收集模块50中的雨水作为清洁用水。Step S004, when the liquid level of the rainfall in the Disney rainfall processing and collection module detected by the second liquid level sensor 603 is higher than the set second reference liquid level, the controller 605 opens the third valve 501 to allow water to enter the first The third rainfall processing and collection module 50 is used to filter the rainwater to remove the color and peculiar smell in the rainwater, and the rainwater in the third rainfall processing and collection module 50 is used as cleaning water.
以上所揭露的仅为本发明较佳实施例而已，当然不能以此来限定本发明之权利范围，本领域普通技术人员可以理解实现上述实施例的全部或部分流程，并依本发明权利要求所作的等同变化，仍属于发明所涵盖的范围。What is disclosed above is only a preferred embodiment of the present invention, and certainly cannot limit the scope of rights of the present invention with this. Those of ordinary skill in the art can understand the whole or part of the process of realizing the above-mentioned embodiment, and make according to the claims of the present invention The equivalent changes still belong to the scope covered by the invention.
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