Reverse-inclined double-layer water inlet structure
A water inlet, inclined technology, applied in the field of inverted inclined double-layer water inlet structure, can solve the problem of not being able to meet the requirements of ship lock construction, and achieve the effect of reducing the number of holes in the head structure, saving engineering investment, and uniform water flow
Active Publication Date: 2015-06-03
POWERCHINA HUADONG ENG COPORATION LTD
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Problems solved by technology
For large-scale ship lock construction, due to the different rivers and different water heads, the model selection simply according to the code can no longer meet the requirements of ship lock construction. layout, it is necessary to break through the routine and research innovative results to meet the layout and operation requirements of the high-head ship lock inlet
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Embodiment Construction
[0013] Such as Figure 1~Figure 3 As shown, this embodiment is an inverted double-layer water inlet structure, using the concrete barrier 2 of the ship lock inlet structure section and the concrete piers 1 on both sides of the barrier to arrange the inverted upper and lower water inlets in space 6. Inlet corridor 3, S-shaped turning section 4, water conveyance corridor 5 and trash rack trough 7. In this example, two upper and lower water inlets 6 are set on the water facing surface of the concrete barrier 2. The upper water inlet passes through the water inlet gallery 3 and the S-shaped turning section 4 (two vertical piers) embedded in the concrete pier 1 on the right. The surface γ=60° turns to form an S-shaped channel) connects the water conveyance corridor 5 at the bottom of the concrete pier 1 on the right; the lower water inlet passes through the water intake corridor 3 and S-shaped turn buried in the concrete pier 1 on the left Section 4 (two elevations γ=60° turn to fo...
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The invention relates to a reverse-inclined double-layer water inlet structure. The invention is designed to provide a reverse-inclined double-layer water inlet structure in order to solve design difficulties in selection of water inlets in a high-head lock filling-emptying system, simplification of the structure arrangement and satisfaction of hydraulic conditions etc. The technical scheme in the invention comprises the arrangement as follows: a reverse-inclined double-layer water inlet structure has concrete sluice piers on both left and right sides and a concrete water-stop plate between the concrete sluice piers on both left and right sides. The reverse-inclined double-layer water inlet structure is characterized in that upper-layer and lower-layer water inlets are set on an upstream face of the concrete water-stop plate. The water inlets are communicated to water delivery galleries on the bottoms of the sluice piers via inflowing galleries and vertical S-type turning sections buried in the concrete sluice piers; the upstream face of the inflowing section of the concrete water-stop plate is reverse-inclined with a reverse angle alpha of not more than 45 DEG. The structure is applicable to water conservancy and hydropower projects and waterway transportation projects.
Description
Technical field [0001] The invention relates to an inverted double-layer water inlet structure. It is suitable for water conservancy and hydropower engineering, water transportation and traffic engineering. Background technique [0002] The development of navigable buildings has a history of 2000 years, and nearly 4,000 ship locks have been built around the world. my country’s ship lock construction has a long history. So far, nearly 800 ship locks have been built, accounting for about 20% of the total number of ship locks in the world. Whether the location and type of the water inlet of the ship lock water delivery system is reasonable or not is one of the key factors to ensure the water delivery effect of the ship lock. In accordance with the current regulations of the transportation industry in my country, the water delivery system inlet arrangement in the reservoir requires a certain depth of water entry and water area to avoid harmful series of suction vortices, so as to m...
Claims
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IPC IPC(8): E02C1/06
CPCY02A10/30
Inventor 扈晓雯徐建强候继平薛双运
Owner POWERCHINA HUADONG ENG COPORATION LTD