Reservoir, sluice and pump cluster combined saltwater tide control and scheduling method

Abstract

The invention discloses a reservoir, sluice and pump cluster combined saltwater tide control and scheduling method. The method comprises the following steps of: S1. establishing a Pearl River basin distributed hydrological model based on EasyDHM; S2. establishing a backbone reservoir cluster saltwater tide control and scheduling model; S3. calculating a flow process of a key node of the basin by utilizing the Pearl River basin distributed hydrological model based on EasyDHM, and inputting the flow process into the reservoir cluster saltwater tide control and scheduling model, thus obtaining a flow control process of a downstream key section through the model; and S4. determining a draining sluice, a freshwater releasing for water replenishing and saltwater tide control time and a draining saltwater tide control flow by utilizing a sluice and pump cluster freshwater releasing for water replenishing and saltwater tide control scheduling model. The reservoir, sluice and pump cluster combined saltwater tide control and scheduling method analyzes the runoff characteristics of the Pearl River basin in a dry season, forecasts the inflowing process of the key section of the basin during a drought period, and establishes an optimized scheduling model for the backbone reservoir cluster of the basin, thus achieving the coupling, nesting and rolling correction of real-time scheduling schemes on the basis of optimizing the scheduling schemes, overcoming the disadvantages brought by a deterministic scheduling model, and greatly improving the utilization rate of water resources during a scheduling period.

Description

technical field [0001] The invention relates to water quality guarantee technology in the field of environmental protection, in particular to a salty tide suppression and dispatching method for combined reservoirs and sluice pump groups to ensure water supply safety. Background technique [0002] The lower reaches of the Pearl River is a region with rapid economic and social development in China, and has a pivotal strategic position in my country's economic construction. With the development of economy and society, the water consumption for industrial and agricultural production and domestic use will further increase. The water pollution problem in the Pearl River estuary area is also becoming more and more severe, and the problem of drinking water safety is becoming more prominent. Water resources have become a bottleneck restricting the social and economic development of this area. The upward movement of the salt tide during the dry season has seriously exacerbated the sho...

AI Technical Summary

Problems solved by technology

Although the multiple water transfers in the Pearl River Basin have greatly alleviated and basically suppressed the harm of salt tides in recent years, and played a certain role in restraining water pollution and ecological hazards in the dry season, the disruption of the original function of the reservoir has also caused some problems. Loss

The current water resource dispatching mode is not compatible with the dispatching and operation mode of most reservoirs with flood control, irrigation and power generation as the main functions, and cannot meet the needs of drinking water during the salt tide. In addition, the distribution of fresh water resources is not compatible with the layout of water intakes. The system layout is unreasonable, and the construction of supporting water sources lags behind, resulting in the underutilization of fresh water resources. Solving the problem of drinking water safety in the Pearl River Delta during the dry season has become an urgent requirement for economic development and social stability in the region.

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