CN102425144A - Pressure forebay-type rainwater power generating system and method - Google Patents

Pressure forebay-type rainwater power generating system and method Download PDF

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CN102425144A
CN102425144A CN201110282879XA CN201110282879A CN102425144A CN 102425144 A CN102425144 A CN 102425144A CN 201110282879X A CN201110282879X A CN 201110282879XA CN 201110282879 A CN201110282879 A CN 201110282879A CN 102425144 A CN102425144 A CN 102425144A
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water
water tank
rainwater
control valve
intake pipe
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顾正华
钟京华
刘国良
徐晓东
曹晓萌
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Zhejiang University ZJU
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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
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/50—Hydropower in dwellings
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

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Abstract

The invention discloses a pressure forebay-type rainwater power generating system and method. The pressure forebay-type rainwater power generating system comprises a building roof, a header pipe, a water tank, a support, a water conduit, a water intake pipe, a water intake control valve, a hydroturbine water conduit control valve, a hydroturbine power generator, a tail water passage, an output pipeline and the like, wherein the building roof is connected with the water tank through the header pipe; the water tank is connected with the hydroturbine power generator through the water conduit; the water tank is arranged on the support; an overflowing hole is arranged on the upper part of the water tank; a sewage draining hole is arranged at the bottom of the water tank; the water intake pipe and the hydroturbine water conduit control valve are arranged on the water conduit; the water intake control valve is arranged on the water intake pipe; and the tail water passage and the output pipeline are arranged on the hydroturbine power generator. A rainwater power station is formed by combining the rainwater resource development and the hydroelectric generation, so that the comprehensive utilization of the rainwater resource can be realized effectively; the pressure forebay-type rainwater power generating system has the advantages of simple structure, environment friendliness, obvious economic and social benefits and the like; and the water tank has dual functions of regulating pressure and storing water, thus the complexity of the rainwater power generation is reduced, and the investment cost is reduced.

Description

压力前池式雨水发电系统及方法Pressure forebay rainwater power generation system and method

技术领域 technical field

本发明属于水资源开发和可再生能源利用领域，特别是一种压力前池式雨水发电系统及方法。 The invention belongs to the field of water resource development and renewable energy utilization, in particular to a pressure forebay type rainwater power generation system and method.

背景技术 Background technique

随着世界社会经济的快速发展，水资源匮乏与能源、环境危机已成为人类面对的重大问题，亟须开发利用新的可再生能源和非常规水资源用以保障人类社会的可持续发展。雨水资源作为一种潜在的水资源，对于缓解水资源供需矛盾具有重要的作用。我国雨水资源丰富，多年平均降水量为61900亿m3，可开发利用的潜力非常巨大。雨能资源作为一种可再生能源，由于其与天俱来的势能以及其洁净、无害的特点，成为微小水力发电的重要补充。充分利用雨水雨能资源，对于改善能源结构、减少化石能源对环境的负面影响以及缓解水资源短缺的矛盾，从而实现经济社会的可持续发展，具有深远的意义。 With the rapid development of the world's social economy, the scarcity of water resources and the crisis of energy and environment have become major problems faced by mankind. It is urgent to develop and utilize new renewable energy and unconventional water resources to ensure the sustainable development of human society. Rainwater resources, as a potential water resource, play an important role in alleviating the contradiction between supply and demand of water resources. China is rich in rainwater resources, with an annual average precipitation of 6.19 trillion m 3 , which has huge potential for development and utilization. As a kind of renewable energy, rain energy resource has become an important supplement for micro hydropower generation due to its inherent potential energy and its clean and harmless characteristics. Making full use of rainwater and rain energy resources has far-reaching significance for improving the energy structure, reducing the negative impact of fossil energy on the environment, alleviating the contradiction of water shortage, and achieving sustainable economic and social development.

目前，世界上许多国家都已开展城市雨水资源化和农业雨水的集蓄利用，其中以德国的雨洪收集利用技术最为先进，基本形成了一套完整、实用的理论和技术体系。在美国、丹麦、日本、澳大利亚、加拿大等国家，也通过采取修建小型水池、水仓、塘坝、淤地坝等工程措施，拦蓄雨水进行灌溉、冲洗厕所、消防和应急用水等。在我国，雨水利用还只是停留在山区水库这个层面，大量的城市降水被浪费掉，即便实施了部分城市雨水利用的措施，但始终未能做到雨污排水系统分离，雨水资源的回收利用仍然经历先污染再净化的过程，这样不仅造成雨水利用成本偏高，而且不能有效发挥雨水作为清洁能源的优势。总而言之，目前国内外对雨水资源的利用大部分只是停留在水资源的天然职能上，与水力发电结合起来的综合利用需要引起更多关注。 At present, many countries in the world have carried out urban rainwater resource utilization and agricultural rainwater collection and utilization. Among them, Germany's rainwater collection and utilization technology is the most advanced, and a complete and practical theoretical and technical system has basically been formed. In the United States, Denmark, Japan, Australia, Canada and other countries, engineering measures such as building small pools, water tanks, pond dams, and check dams have also been adopted to store rainwater for irrigation, toilet flushing, fire protection, and emergency water. In our country, rainwater utilization is still at the level of mountainous reservoirs, and a large amount of urban precipitation is wasted. Even though some urban rainwater utilization measures have been implemented, the separation of rainwater and sewage drainage systems has not been achieved, and the recycling of rainwater resources still remains. After going through the process of first pollution and then purification, this not only results in high rainwater utilization costs, but also cannot effectively utilize the advantages of rainwater as a clean energy source. All in all, most of the current utilization of rainwater resources at home and abroad is only in the natural function of water resources, and the comprehensive utilization combined with hydropower needs to attract more attention.

发明内容 Contents of the invention

本发明的目的是克服现有技术的不足，提供一种压力前池式雨水发电系统及方法。 The purpose of the present invention is to overcome the deficiencies of the prior art and provide a pressure forebay rainwater power generation system and method.

压力前池式雨水发电系统包括房屋屋面、集流管、水箱、溢流孔、排污孔、支架、引水管、取水管、取水控制阀、水轮机引水控制阀、水轮发电机、尾水道和输出线路，房屋屋面与水箱通过集流管相连接，水箱与水轮发电机通过引水管相连接，在支架上设有水箱，水箱上部设有溢流孔，水箱底部设有排污孔，在引水管上设有取水管和水轮机引水控制阀，在取水管上设有取水控制阀，在水轮发电机上设有尾水道和输出线路。 The pressure forebay rainwater power generation system includes the roof of the house, the header pipe, the water tank, the overflow hole, the sewage hole, the support, the water diversion pipe, the water intake pipe, the water intake control valve, the water turbine diversion control valve, the hydroelectric generator, the tail water channel and the output The line, the roof of the house and the water tank are connected through the header pipe, and the water tank is connected with the water turbine generator through the water diversion pipe. A water intake pipe and a water diversion control valve for a water turbine are arranged on the water intake pipe, a water intake control valve is arranged on the water intake pipe, and a tail water channel and an output line are arranged on the hydroelectric generator.

压力前池式雨水发电方法是：利用房屋屋面收集雨水，通过集流管汇集于水箱中，当水箱中的水位达到工作水位时，打开水轮机引水控制阀，蓄积的雨水推动水轮发电机发电，发出的电能通过输出线路输给用户使用，发电后的尾水通过尾水道排出，排入就近的水库、池塘或蓄水设施中，以供进一步收集利用，或排入下水道弃掉；当水箱蓄满时，多余的雨水由溢流孔溢出，这部分雨水收集利用或弃掉；当集流管的集流量小于水轮发电机的引水流量时，关闭水轮机引水控制阀，水轮发电机停止工作，水箱中贮存的雨水在需要时通过取水管在取水控制阀的控制下提供用户使用；水箱内沉积的杂质通过排污孔排出。 The method of pressure front pool rainwater power generation is: use the roof of the house to collect rainwater, collect it in the water tank through the collector pipe, and when the water level in the water tank reaches the working water level, open the water diversion control valve of the turbine, and the accumulated rainwater drives the hydroelectric generator to generate electricity. The generated electric energy is transmitted to the user through the output line, and the tail water after power generation is discharged through the tail water channel and discharged into the nearest reservoir, pond or water storage facility for further collection and utilization, or discharged into the sewer for disposal; when the water tank is stored When it is full, the excess rainwater overflows from the overflow hole, and this part of the rainwater is collected and used or discarded; when the collecting flow of the collecting pipe is less than the diversion flow of the hydro-generator, close the diversion control valve of the hydro-turbine, and the hydro-generator stops working The rainwater stored in the water tank is provided to the user through the water intake pipe under the control of the water intake control valve when needed; the impurities deposited in the water tank are discharged through the drain hole.

本发明将雨水资源开发与水力发电相结合，形成“雨水电站”，能有效地实现雨水资源的综合利用，具有结构简单、环境友好、经济和社会效益显著等优点，在节能减排和水资源危机的背景下极具研究推广价值。本发明所采用的作为压力前池的水箱具有调压和储水双重功能，减少了雨水发电的复杂性，降低了雨水发电设施的投资成本。 The invention combines the development of rainwater resources with hydroelectric power generation to form a "rainwater power station", which can effectively realize the comprehensive utilization of rainwater resources, has the advantages of simple structure, environmental friendliness, and significant economic and social benefits. In the context of the crisis, it is of great research and promotion value. The water tank used as the pressure forebay in the present invention has dual functions of pressure regulation and water storage, which reduces the complexity of rainwater power generation and reduces the investment cost of rainwater power generation facilities.

附图说明 Description of drawings

图1是压力前池式雨水发电系统的结构示意图。 Figure 1 is a structural schematic diagram of a pressure forebay rainwater power generation system.

具体实施方式 Detailed ways

如图1所示，压力前池式雨水发电系统包括房屋屋面1、集流管2、水箱3、溢流孔4、排污孔5、支架6、引水管7、取水管8、取水控制阀9、水轮机引水控制阀10、水轮发电机11、尾水道12和输出线路13，房屋屋面1与水箱3通过集流管2相连接，水箱3与水轮发电机11通过引水管7相连接，在支架6上设有水箱3，水箱3上部设有溢流孔4，水箱3底部设有排污孔5，在引水管7上设有取水管8和水轮机引水控制阀10，在取水管8上设有取水控制阀9，在水轮发电机11上设有尾水道12和输出线路13。 As shown in Figure 1, the pressure forebay rainwater power generation system includes a house roof 1, a collecting pipe 2, a water tank 3, an overflow hole 4, a sewage hole 5, a bracket 6, a water diversion pipe 7, a water intake pipe 8, and a water intake control valve 9 , the hydraulic turbine water diversion control valve 10, the hydraulic generator 11, the tailrace 12 and the output line 13, the house roof 1 is connected with the water tank 3 through the collector pipe 2, and the water tank 3 is connected with the hydraulic generator 11 through the water diversion pipe 7, A water tank 3 is provided on the support 6, an overflow hole 4 is provided on the top of the water tank 3, a drain hole 5 is provided at the bottom of the water tank 3, a water intake pipe 8 and a water turbine water diversion control valve 10 are arranged on the water diversion pipe 7, and on the water intake pipe 8 A water intake control valve 9 is provided, and a tail water channel 12 and an output line 13 are provided on the hydroelectric generator 11 .

压力前池式雨水发电方法是：降雨时，利用房屋屋面1收集雨水，通过集流管2汇集于水箱3中，当水箱3中的水位达到工作水位时，打开水轮机引水控制阀10，蓄积的雨水推动水轮发电机11发电，发出的电能通过输出线路13输给用户使用，发电后的尾水通过尾水道12排出，排入就近的水库、池塘或蓄水设施中，以供进一步收集利用，或排入下水道弃掉；当水箱3蓄满时，多余的雨水由溢流孔4溢出，这部分雨水收集利用或弃掉；当集流管2的集流量小于水轮发电机11的引水流量时，关闭水轮机引水控制阀10，水轮发电机11停止工作，水箱3中贮存的雨水在需要时通过取水管8在取水控制阀9的控制下提供用户使用；水箱3内沉积的杂质通过排污孔5排出。 The pressure forebay rainwater power generation method is: when it rains, use the house roof 1 to collect rainwater, collect it in the water tank 3 through the collecting pipe 2, and when the water level in the water tank 3 reaches the working water level, open the water turbine diversion control valve 10, and the accumulated The rainwater drives the hydroelectric generator 11 to generate electricity, and the generated electric energy is transmitted to the user through the output line 13, and the tail water after power generation is discharged through the tail water channel 12, and discharged into the nearest reservoir, pond or water storage facility for further collection and utilization , or discharged into the sewer and discarded; when the water tank 3 is full, the excess rainwater overflows from the overflow hole 4, and this part of the rainwater is collected and used or discarded; During the flow rate, close the hydraulic turbine water diversion control valve 10, the hydraulic turbine generator 11 stops working, and the rainwater stored in the water tank 3 is provided to the user through the water intake pipe 8 under the control of the water intake control valve 9 when needed; the impurities deposited in the water tank 3 pass through Sewage hole 5 discharges.

本发明选择雨量较为丰富的地区，首先改造房屋雨水管道，铺设形成雨水集流管道，将集流管连接到安设在支架的水箱上，安设水轮发电机，将水轮发电机通过引水管与水箱相连接，从而形成“雨水电站”。“雨水电站”的装机容量主要取决于水箱与水轮机之间的水位差和引水流量，为了保证水轮机工作水头和雨水收集量，“雨水电站”选址时应考虑有足够的建筑高度和集水面积，为了提高集水面积，可以将相邻房屋屋面通过管道相连接再汇总到集流管上；当降雨来临时，利用水箱收集雨水，只要雨量达到一定规模，当水位达到一定值时，便可打开水轮机引水控制阀，推动水轮发电机进行发电，并收集雨水资源，从而实现雨水雨能资源的综合利用。 The present invention selects areas with relatively abundant rainfall, first transforms the rainwater pipes of houses, lays and forms rainwater collection pipes, connects the collection pipes to the water tank installed on the support, installs the hydro-generator, and passes the hydro-generator through the lead-in The water pipes are connected to the water tanks, thus forming a "rainwater station". The installed capacity of the "rainwater power station" mainly depends on the water level difference between the water tank and the water turbine and the diversion flow. In order to ensure the working head of the water turbine and the amount of rainwater collected, the site selection of the "rainwater power station" should consider sufficient building height and water collection area , in order to increase the water collection area, the roofs of adjacent houses can be connected through pipes and then collected on the collecting pipe; when the rainfall comes, use the water tank to collect rainwater, as long as the rainfall reaches a certain scale and the water level reaches a certain value Open the water diversion control valve of the hydro turbine, drive the hydro generator to generate electricity, and collect rainwater resources, so as to realize the comprehensive utilization of rainwater and rain energy resources.

为了防止树叶等进入雨水发电系统，应在房顶雨水进水口上安设拦污筛。 In order to prevent leaves, etc. from entering the rainwater power generation system, a trash screen should be installed on the roof rainwater inlet.

本发明既适用于山区，又适用于平原地区；既适用于农村，又适用于城市；既可以与周边水电站相结合，也可以形成独立的“雨水电站”系统。 The invention is applicable to both mountainous areas and plain areas; both rural areas and cities; it can be combined with surrounding hydropower stations or form an independent "rainwater power station" system.

本发明可以减少降雨径流污染，减少雨水地面侵蚀，又可以提高城市防洪减灾能力，提高当地的水资源承载能力，并且弥补区域能源的不足，削减了CO2的排放。 The invention can reduce rainfall runoff pollution, reduce rainwater ground erosion, improve urban flood control and disaster reduction capabilities, improve local water resource carrying capacity, make up for the shortage of regional energy sources, and reduce CO2 emissions.

Claims (2)

1. forebay formula rain water electricity generating system; It is characterized in that comprising housing roof (1), header (2), water tank (3), spout hole (4), mudhole (5), support (6), aqueduct (7), intake pipe (8), water intaking control valve (9), hydraulic turbine diversion control valve (10), hydrogenerator (11), tail water road (12) and outlet line (13); Housing roof (1) is connected through header (2) with water tank (3); Water tank (3) is connected through aqueduct (7) with hydrogenerator (11); On support (6), be provided with water tank (3); Water tank (3) top is provided with spout hole (4), and water tank (3) bottom is provided with mudhole (5), on aqueduct (7), is provided with intake pipe (8) and hydraulic turbine diversion control valve (10); On intake pipe (8), be provided with water intaking control valve (9), on hydrogenerator (11), be provided with tail water road (12) and outlet line (13).
2. one kind is used the forebay formula rain water electricity generating method of system according to claim 1, when it is characterized in that rainfall, utilizes housing roof (1) to collect rainwater; Come together in the water tank (3) through header (2), when the water level in the water tank (3) reaches working water level, the turbine diversion control valve (10) of fetching boiling water; The rainwater of accumulating promotes hydrogenerator (11) generating; The electric energy that sends is defeated by the user through outlet line (13) and is used, and the tail water after the generating is discharged through tail water road (12), enters in reservoir, pond or the storing facilities of water nearby; Utilize for further collecting, or enter sewer and discard; When water tank (3) holds when full, unnecessary rainwater is overflowed by spout hole (4), this part rainwater catchment system or discard; When the afflux amount of header (2) during less than the diversion flow of hydrogenerator (11); Close hydraulic turbine diversion control valve (10); Hydrogenerator (11) quits work, and the rainwater of storing in the water tank (3) provides the user to use through intake pipe (8) under the control of water intaking control valve (9) when needed; The impurity of deposition is discharged through mudhole (5) in the water tank (3).
CN201110282879XA 2011-09-22 2011-09-22 Pressure forebay-type rainwater power generating system and method Pending CN102425144A (en)

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CN103112987A (en) * 2013-02-06 2013-05-22 浙江大学 Electrochemical self-purifying system for rainwater quality and method thereof
CN104891734A (en) * 2015-05-13 2015-09-09 韩凯 Modularized mobile house water treatment system
CN106289040A (en) * 2016-09-30 2017-01-04 天津华海清科机电科技有限公司 Calibration system for wafer copper layer thickness multimetering
CN106323152A (en) * 2016-09-05 2017-01-11 天津华海清科机电科技有限公司 Off-line segmentation processing method and system for CMP (Chemical Mechanical Planarization) metal film thickness measurement data
CN107558533A (en) * 2017-08-30 2018-01-09 浙江大学 Mountainous areas rainwater energy electricity generation system and method
CN112049749A (en) * 2020-09-15 2020-12-08 贵州畅泓能源有限责任公司 Mountain runoff waterwheel power generation system
CN115110604A (en) * 2022-07-06 2022-09-27 浙江工业大学 High-position flower bed with initial roof rainwater runoff collecting and slow-releasing functions

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Application publication date: 20120425