A uniform outlet weir plate with pentagonal flow holes

A pentagonal and flow hole technology, which is applied in the field of outlet weir plates and uniform water outlet weir plates, can solve problems such as uneven hydraulic loads, achieve the effects of reducing hydraulic loads, improving outlet water quality, and achieving water collection uniformity

Active Publication Date: 2016-01-13
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Abstract
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Problems solved by technology

[0009] Aiming at the defects or insufficiencies of the existing triangular weir plate, the object of the present invention is to provide a uniform outlet weir plate with pentagonal flow holes, which can effectively solve a series of phenomena that lead to a large drop in the sedimentation tank. The problem of uneven hydraulic load in the pool caused by the rise and fall of the water level

Method used

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  • A uniform outlet weir plate with pentagonal flow holes
  • A uniform outlet weir plate with pentagonal flow holes
  • A uniform outlet weir plate with pentagonal flow holes

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Embodiment 1

[0033] Comply with the above technical solutions, such as Figure 4 with Figure 5 As shown, this embodiment provides a uniform outlet weir plate with pentagonal flow holes, including a weir plate base 4, and a group of pentagonal flow holes 5 are processed horizontally on the weir plate base 4 , the pentagonal flow hole 5 is an axisymmetric pentagonal structure, the symmetric axis of the pentagonal flow hole 5 passes through the bottom angle 5-4 vertices of the pentagonal flow hole 5 and is connected to the pentagonal The top edge 5 - 1 of the flow hole 5 is vertical, and the top edge 5 - 1 of the pentagonal flow hole 5 is parallel to the top edge of the weir plate base 4 .

[0034] The design water level 5-5 of the pentagonal flow hole 5 is the bisector of the side angle 5-3 of the pentagonal flow hole 5 . When the water level is lower than the design water level 5-5, the water outlet form is like the traditional triangular weir plate 3; when the water level rises above th...

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Abstract

The invention provides a uniform water outlet weir plate with pentagonal overflowing holes. The uniform water outlet weir plate comprises a weir plate substrate, wherein a group of pentagonal overflowing holes are formed in the horizontal direction of the weir plate substrate; the pentagonal overflowing holes are of axisymmetric pentagonal structures, and the top edges of the pentagonal overflowing holes are parallel to the top edge of the weir plate substrate. The design level of the pentagonal overflowing holes is the lateral angle bisector of the pentagonal overflowing holes. The water weir plate can effectively solve the problem that hydraulic loadings in a pond are uneven due to wide water level variation in the settling pond caused by a series of phenomena, and has significant control effects on the phenomena of the settling pond or a clarification tank, such as water level variation and uneven hydraulic loadings caused by factors such as wind effect, installation errors, settlement of structures and unfairness of side walls.

Description

technical field [0001] The invention belongs to the field of water purification engineering structures and relates to a water outlet weir plate, in particular to a uniform water outlet weir plate with pentagonal flow holes. Background technique [0002] The sedimentation tank or clarification tank in the water purification engineering structure is required to control the elevation of the water level of the water surface in the pool to be equal, and the effluent water should be decanted as much as possible to obtain the upper layer of clarified water, so that the hydraulic load in the pool is equal. Therefore, in front of the sump of the sedimentation tank and the clarification tank, the weir mouth should be set as horizontal as possible and the free-style outlet weir should be set up to ensure that the flow rate per unit length of the weir is equal and prevent the water flow in the tank from drifting. For example, the sedimentation tank requires the water outlet to be arrang...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D21/24
Inventor 卢金锁刘飞刘慨
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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