双柱井地下水取水口运行优化

Q3 Energy

Energetika. Proceedings of CIS Higher Education Institutions and Power Engineering Associations Pub Date : 2022-10-04 DOI:10.21122/1029-7448-2023-65-5-451-462

V. V. Ivashechkin, J. Medvedeva

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引用次数: 0

摘要

一个典型取水口的平均井数为30-40口;而潜水泵的功率一般为32 ~ 40kw;这意味着仅在一口井取水时，电泵设备在最大耗水量小时内的耗电量可达900-1600千瓦。在井水取水口运行成本结构中;电费占比达到85%。考虑到降低住房和公共服务企业以及供水公司的成本和水费的要求;节能是一项紧迫的任务。本文考虑采用双柱取水井代替典型的单柱取水井，对供水不均匀的地下水取水口的运行进行优化。结果表明，在这种进水口的单柱井中使用强力泵，会使井内动态水位急剧下降。一方面;由于曝气，这引起过滤器中形成混溶沉积物;降低了井的比流量，缩短了再生间隔。另一方面;这增加了潜水泵的几何压力和提升水的能耗。探讨了为水处理厂压力过滤器供水的单柱和双柱取水井水泵供水量确定的理论依据。本文给出了两个单柱井(工作井和备用井)在整个供水计划中，一个工作井使用一个强力泵作为取水的一部分，以及两个两柱工作井每柱使用一个较弱的强力泵的比较分析实例。对这些泵系统的能源效率进行了研究。计算的结果;结果表明，两柱井在高峰时段联合水泵运行时;主负荷和部分负荷;每年可节省33%的能源。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Optimization of the Operation of Groundwater Intakes Using Two-Column Wells

The average number of wells at a typical water intake is 30–40; while the power of the submersible pump is usually 32–40 kW; which means that only at one well water intake the power consumption of electric pumping equipment during the hours of greatest water consumption can reach 900–1600 kW. In the structure of operating costs of well water intakes; the share of electricity costs reaches 85 %. Taking into account the requirements for reducing costs and water tariffs of housing and communal services enterprises as well as of water utilities; energy saving is an urgent task. The article considers the optimization of the operation of groundwater intakes with uneven water supply due to the use of two-column water intake wells instead of typical single-column ones. It is shown that the use of powerful pumps in single-column wells of such water intakes causes a sharp decrease in the dynamic water level in the borehole. On the one hand; this provokes the formation of colmating deposits in the filters due to their aeration; reduces the specific flow rate of the well and shortens the intervals between regenerations. On the other hand; this increases the geometric pressure of submersible pumps and energy consumption for lifting water. The theoretical foundations of determining the supply of pumps installed in single- and two-column water intake wells supplying water to the pressure filter of the water treatment plant are considered. An example of a comparative analysis of the operation of one working well with one powerful pump as part of a water intake of two single-column wells (working and reserve) to cover the entire water supply schedule and two two-column working wells containing one less powerful pump in each column is given. The energy efficiency of these pumping systems is investigated. As a result of calculations; it was found that when combining the operation of pumps of two-column wells during periods of peak; main and partial loads; the annual energy savings will amount to 33 %.

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来源期刊

Energetika. Proceedings of CIS Higher Education Institutions and Power Engineering Associations Energy-Nuclear Energy and Engineering

CiteScore

1.60

自引率

0.00%

发文量

审稿时长

8 weeks

期刊介绍： The most important objectives of the journal are the generalization of scientific and practical achievements in the field of power engineering, increase scientific and practical skills as researchers and industry representatives. Scientific concept publications include the publication of a modern national and international research and achievements in areas such as general energetic, electricity, thermal energy, construction, environmental issues energy, energy economy, etc. The journal publishes the results of basic research and the advanced achievements of practices aimed at improving the efficiency of the functioning of the energy sector, reduction of losses in electricity and heat networks, improving the reliability of electrical protection systems, the stability of the energetic complex, literature reviews on a wide range of energy issues.