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Method for damping waves, holding trash and filtering in still water

A technology for wave dissipation and still water, applied in water conservancy projects, sea area projects, coastline protection, etc., to achieve the effect of blocking diffusion and reducing the transmission rate

Active Publication Date: 2015-05-27
NANJING HYDRAULIC RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For suspended solids in water, no other suitable means of controlling exchange have been found in existing studies

Method used

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  • Method for damping waves, holding trash and filtering in still water
  • Method for damping waves, holding trash and filtering in still water
  • Method for damping waves, holding trash and filtering in still water

Examples

Experimental program
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Embodiment 1

[0025] A method for implementing wave-dissipation and pollution-retaining filtration in still water, comprising: the composition of a floating wave-dissipation and pollution-retention filtering device, the installation of the floating wave-dissipation and pollution-retention filtering device, the setting of floating bodies, and the setting of the filtering device.

[0026] The composition of the floating wave-dissipating and pollution-blocking filtering device includes: a riprap platform 1 at the bottom, fixed piles 2 on both sides, a horizontal fixed rod 3 at the bottom, a floating body 4, and a filtering device 5; the top of the riprap platform 1 at the bottom adopts The underwater concrete is smoothed to form the base 6, the fixed piles 2 on both sides are poured on the base 6, the floating body 4 is buckled on the fixed piles 2 on both sides through the ring 41, and the filter device 5 is connected to each other through the hinge 51 and to the floating body on the top 4 is ...

Embodiment 2

[0036] A method for implementing wave-dissipation and pollution-retaining filtration in still water, comprising: the composition of a floating wave-dissipation and pollution-retention filtering device, the installation of the floating wave-dissipation and pollution-retention filtering device, the setting of floating bodies, and the setting of the filtering device.

[0037] Described filtering device 5 comprises stainless steel outer frame 52, macromolecule material composite geotechnical filter 53, and described stainless steel outer frame 52 length is identical with floating body 4, height 20cm, and thickness is 6cm; Described polymer material composite geotechnical filter Net 53, the inventor actually measured the water flow velocity at the junction to be 0.36-0.46m / s, so a polymer material composite geotechnical filter with a porosity of 75%-55% was selected.

[0038] The installation of the floating wave-dissipating and dirt-blocking filtering device includes the following ...

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Abstract

The invention discloses a method for damping waves, holding trash and filtering in still water, and belongs to the field of water conservancy projects, in particular to a method for filtering a water body and damping ship waves by arranging a wave-damping, trash-holding and filtering floatation type telescopic grid device. The method comprises the following steps: constructing the floatation type wave-damping, trash-holding and filtering device; mounting the floatation type wave-damping, trash-holding and filtering device; arranging a floating body; arranging a filtering device. The method has the advantages that after the device is arranged at a joint of two streams of water current, the influence of the fluctuation of water current on one side on the other side can be lowered remarkably, the diffusion of floating pollutants can be blocked remarkably, and the delivery rate of suspended sediment is lowered; a blocking state can be automatically kept up and down along with the rise and fall of the water level.

Description

technical field [0001] The invention relates to a method for implementing wave-dissipation and pollution-stopping filtration in still water, which belongs to the field of water conservancy engineering. Specifically, the water body is filtered and ship waves are weakened by setting a floating-type telescopic grid device for wave-elimination and pollution-stopping filtration. Background technique [0002] In river network areas, water momentum exchange and water quality exchange generally occur at the junction of two water bodies. Since the functions of the two water bodies are different, it is often necessary to consider how to control the momentum exchange and water mass exchange when the water bodies are mixed. Generally speaking, the way to control momentum exchange is to set up sluice gates, and the way to control floating objects in water quality is to set up trash racks. For suspended solids in water, no other appropriate method of controlling exchange has been found i...

Claims

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Application Information

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IPC IPC(8): E02B8/06E02B8/02
CPCE02B8/02E02B8/06
Inventor 范子武杨东利张铭费香波
Owner NANJING HYDRAULIC RES INST
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