Novel fishway pool chamber water replenishing system under high water head and large fall

Abstract

The invention provides a novel fishway pool chamber water replenishing system under high water head and large fall. Real-time, quantitative, precise and stable water replenishing of water flow in a reservoir to the water level in a fishway pool chamber is achieved through a reservoir water inlet, a water conveying structure, a water outlet, a water replenishing pool, a gate valve structure and the like. According to the novel fishway pool chamber water replenishing system under the high water head and large fall, in addition, a flow monitoring device and a water level monitoring device which are installed in the water replenishing system achieve real-time feedback control of the water level and the flow, and guarantee is provided for all-weather operation and automatic water replenishing of the fishway water replenishing system. A multi-stage energy dissipation mode is adopted, so that the possibility of replenishing water to the fishway pool chamber under the high water head and large fall is realized, and interference to the water flow in the fishway pool chamber is avoided; by means of an one-to-many-outlet efficient water replenishing mode, the water replenishing efficiency is improved, the advantages of being simple in structure and convenient to construct are achieved, the novel fishway pool chamber water replenishing system under the high water head and large fall truly achieves the function of automatically replenishing the water into a downstream fishway pool chamber in an intelligent, all-weather and unattended mode in a quantitative mode, guarantees stable operation of a fishway. The novel fishway pool chamber water replenishing system under the high water head and large fall has important significance on migration of aquatic organisms such as fishes and the like.

Description

technical field [0001] The invention relates to a new type of fishway pond room water supply system under the action of high water head and large drop. The system can realize intelligent, uninterrupted, automatic water supply function from the reservoir to the downstream fishway pond room, and belongs to an automatic control fishway pond room. Water replenishment equipment for water depth and flow in the channel pool chamber. Background technique [0002] As a sustainable clean energy, hydropower plays an important role in improving the ecological environment and increasing the utilization rate of resources. At present, more than 100,000 large, medium and small dams have been built in my country. The construction of hydropower stations will, to a certain extent, Change the living environment of some aquatic organisms, and have a certain impact on the information exchange of upstream and downstream migratory organisms. In order to protect aquatic biodiversity and promote the ...

AI Technical Summary

Problems solved by technology

[0003] At present, according to the existing literature and research, the fishway tank chamber water replenishment system only replenishes water near the entrance of the fishway, and forms jets to lure fish or adjust the structure of the pond according to the internal water level. There are the following problems: (1) Quantitative and accurate water replenishment cannot be achieved inside the fishway pond, and the water level inside the fishway pond has a large fluctuation, which is not conducive to fish swimming; (2) It is impossible to feed the indoor water level of the fishway pond At present, the water supply system of the fishway is adjusted according to the change of the water level. The higher the water level is, the more water will be replenished, and the lower the water level, the amount of water replenishment will be reduced or cannot be replenished.

(3) The water supply system cannot achieve real-time monitoring, uninterrupted and automatic water supply, and is easily affected by weather changes and water level changes in the reservoir area

(4) The operating condition of the existing fishway water replenishment system is small flow and low water head for fishway replenishment, and the efficiency and operational stability of water replenishment under high water head and large drop water level are unknown

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