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Negative pressure sand discharge device and sand discharge method using tidal energy

A technology of tidal energy and negative pressure, applied in water supply devices, chemical instruments and methods, grease/oily substances/floating matter removal devices, etc., to achieve the effect of solving the problems of sedimentation, improving viewing, and solving the problems of transparency

Active Publication Date: 2021-12-31
ZHEJIANG INST OF HYDRAULICS & ESTUARY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a negative pressure sand discharge device and a sand discharge method using tidal energy. It is proposed to use an engineering method to solve the sedimentation of seawater sedimentation tanks and artificial lakes in a more economical and convenient manner. Siltation problem

Method used

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  • Negative pressure sand discharge device and sand discharge method using tidal energy
  • Negative pressure sand discharge device and sand discharge method using tidal energy
  • Negative pressure sand discharge device and sand discharge method using tidal energy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] See attached Figure 1-6 As shown, the negative pressure sand discharge device using tidal energy includes:

[0050] Water storage unit 100, artificial floating island 90 is arranged in water storage unit 100, the first outer sea dam 10 and the second outer sea dam 20 parallel to each other are respectively built on the coastal side of water storage unit 100, the first outer sea dam 10 and the second outer sea A reservoir 40 and a fish scale or rainbow multi-stage sedimentation tank are built between the dams 20, and the low-lying places on the bottom of each pool of the multi-stage sedimentation tank are provided with sand discharge inlets 72;

[0051] The sand discharge pipe group 50, the sand discharge pipe group 50 includes the second sand discharge pipe 52 and / or the first sand discharge pipe 51 communicated with the sand discharge inlet 72, and the outlet end of the second sand discharge pipe 52 is connected to the first sand discharge pipe 51 , the second sand d...

Embodiment 2

[0074] See attached Figure 1-6 As shown, the sand discharge method of the negative pressure sand discharge device utilizing tidal energy includes the following steps:

[0075] - build the first outer sea dam 10 and the second outer sea dam 20 parallel to each other on the coastal side of the water storage unit 100, and build a reservoir 40 and a fish scale or rainbow between the first outer sea dam 10 and the second outer sea dam 20 Type multi-stage sedimentation tank, the water storage tank 40 communicates with the water storage unit 100 through the water inlet pipe 11, and the water storage unit 100 is equipped with an artificial floating island 90;

[0076]-A sand discharge inlet 72 is provided at the bottom of each pond of the multi-stage sedimentation tank, and a sand discharge pipe group 50 is arranged at the bottom of the sand discharge inlet 72. The sand discharge pipe group 50 includes a second sand discharge pipe connected with the sand discharge inlet 72 52 and / or...

Embodiment 3

[0085] This embodiment is further optimized on the basis of Embodiment 1: the diameter of the second sand discharge pipe 52 and the first sand discharge pipe 51 is 20-30cm; the sedimentation tank where the inlet of the second sand discharge pipe 52 is located should be full water and is at the highest head in several sedimentation tanks. When there are multiple venturi tubes, install them from the sedimentation tank with high head to the sedimentation tank with the lowest head.

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Abstract

The invention discloses a negative pressure sand discharge device and a sand discharge method using tidal energy, belonging to the technical field of water quality control. The invention aims at high tide by constructing a first outer sea dam and a second outer sea dam on the coastal side of a water storage unit During the process, the over-wave seawater enters the first outer sea dam and the second outer sea dam to collect and settle the seawater to reduce the water body sediment entering the water storage unit. Multi-stage sedimentation tanks are set up to settle the over-wave seawater step by step, and more The purpose of the multi-level sedimentation tank is to set up fish scale or rainbow layout to facilitate the gradual sedimentation of seawater, better solve the problem of seawater transparency, help to improve the ornamental value of the water storage unit, and discharge the sedimentation tank in time according to the rising and falling tides The silt and the replacement of the water body in the water storage unit keep the water body in the water storage unit clean and reduce the sedimentation in the sedimentation tank and the water storage unit.

Description

technical field [0001] The invention belongs to the field of water quality control, and in particular relates to a negative pressure sand discharge device and a sand discharge method utilizing tidal energy. Background technique [0002] my country has a long coastline, but not all seasides are beautiful beaches, and many areas are muddy beaches. The offshore waters of these mudflat coasts have high mud content, and the water is turbid and poor in appearance. With the rapid development of coastal economy and urban expansion, residents of mudflat coastal cities put forward higher requirements for the coastal water environment. It is hoped to build a coastal living environment with sunshine, sandy beaches, clear water and blue shores. The construction of artificial lakes in coastal areas with high sea silt content and poor water quality is an emerging method of coastal zone restoration, which effectively improves the water environment and living environment of the coastal are...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B3/00E02B3/10E02B8/00E03F5/14B01D21/02
CPCE02B3/00E02B3/10E02B8/00E03F5/14B01D21/02Y02A10/11
Inventor 李春贵孙超王昂峰陈秀良胡金春赵晓波王佑喜金蕾
Owner ZHEJIANG INST OF HYDRAULICS & ESTUARY
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