Channel regulation of reservoir tail drawdown area

A technology for the sinking area and the tail of the reservoir, which is applied in the direction of river regulation, etc., can solve the problems that affect navigation, cannot completely eliminate the change of water level, and cannot completely prevent the sediment from entering the reservoir area at the tail of the reservoir, so as to achieve the effect of prolonging the service life

Inactive Publication Date: 2019-01-25
彭国洪
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Problems solved by technology

[0002] The change of water level in the sinking area at the tail of the reservoir will affect the navigation. 70-90% of the sediment entering the reservoir enters the reservoir from the sinking area at the tail of the reservoir. Solving these two problems has an important role and significance. The existing technology uses plant Nursing the river bank area and dredging the river channel to expand the water

Method used

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  • Channel regulation of reservoir tail drawdown area
  • Channel regulation of reservoir tail drawdown area
  • Channel regulation of reservoir tail drawdown area

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Embodiment Construction

[0014] The technical solution is described according to the accompanying drawings:

[0015] figure 1 As shown, when the normal high water level of the reservoir is 2, the position where the largest ship navigating in the reservoir area can pass to the tail of the reservoir is called the navigable upper end 4 of the reservoir tail; when the reservoir is normally low water level, the largest ship navigating in the reservoir area can pass to the tail It is called the navigable lower end of the reservoir tail 6; the return point of the normal low water level 3 of the reservoir is called the lower end of the sinking area 5; a deep water pit 7 is built at the position of the upper navigable end 4 of the reservoir tail. A gravel conveyor belt 8 is installed at the bottom of the pit 7; figure 2 As shown, the effect of the sand and gravel conveyor belt 8 is to continuously transport the sand and gravel in the river to the sand collection area 12 on the river bank. The operating spee...

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Abstract

The invention relates to channel regulation of a reservoir tail drawdown area. The to-be-solved technical problem is to completely solve the world-class problem of the reservoir tail river channel regulation. According to the technical scheme, a concrete deep pit is constructed at the upper end of a reservoir tail channel, and a gravel conveyor belt is arranged at the bottom of the deep pit; a water level retaining dam is constructed between the lower end of the drawdown area and the lower end of the reservoir tail channel.

Description

Technical field: [0001] The invention relates to the technical field of water conservancy engineering, in particular to a method for river channel regulation. Background technique: [0002] The change of water level in the sinking area at the tail of the reservoir will affect the navigation. 70-90% of the sediment entering the reservoir enters the reservoir from the sinking area at the tail of the reservoir. Solving these two problems has an important role and significance. The existing technology uses plant Nursing the riverbank area and dredging the river channel to expand the water depth. Since the riverbed at the tail of the reservoir is characterized by slow water flow, ebb and flow, and easy deposition, the dredging method cannot completely eliminate the impact of water level changes on navigation, nor can it completely eliminate the sediment at the tail of the reservoir. Entering the reservoir area, the river channel management at the tail of the reservoir has become ...

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Application Information

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IPC IPC(8): E02B3/02
CPCE02B3/02
Inventor 彭国洪
Owner 彭国洪
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