Anti-blocking baffling type percolation dam

A baffled and seepage dam technology, applied in the field of river environmental management, can solve the problems of clogging of seepage dams, water flow direction, single purification method, limited water purification capacity, etc. Good purification and landscape effect

Active Publication Date: 2015-12-16
WUHAN ZHONGKE HYDROBOLOGY ENVIRONMENTAL ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the high content of suspended solids such as sediment and inorganic or organic waste in the river, conventional seepage dams are more prone to clogging; and because the water flow direction and pur

Method used

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  • Anti-blocking baffling type percolation dam
  • Anti-blocking baffling type percolation dam
  • Anti-blocking baffling type percolation dam

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0029] Example 1:

[0030] An anti-blocking baffled seepage dam, comprising a water blocking dam 1, and also comprising a side wall 16 arranged on the downstream side of the water blocking dam 1, and a partition wall 9 is provided between the water blocking dam 1 and the side wall 16,

[0031] A descending percolation zone 3 is formed between the dam 1 and the partition wall 9, and an upward percolation zone 11 is formed between the partition wall 9 and the side wall 16,

[0032] The downward percolation zone 3 is provided with the first vegetation layer 4, the first gravel packing layer 5, the second gravel packing layer 6, the third gravel packing layer 7 and the fourth gravel packing layer 8, the first gravel packing layer 5 and the third The second gravel packing layer 6 is located on the same layer, the first vegetation layer 4 is arranged on the first gravel packing layer 5 and the second gravel packing layer 6, and the third gravel packing layer is arranged under the fi...

Example Embodiment

[0042] Example 2

[0043] like Figure 1 to Figure 3 As shown, an anti-blocking and baffled infiltration dam includes a retaining dam 1 , a downward infiltration area 3 , a partition wall 9 , an upward infiltration area 11 , and a side wall 16 . A downward percolation zone 3 is formed between the dam 1 and the partition wall 9 , and an upward percolation zone 11 is formed between the partition wall 9 and the side wall 16 .

[0044] The water inlet inclined pipe 2 is arranged in the middle of the dam body of the retaining dam 1; the first vegetation layer 4, the first gravel packing layer 5, the second gravel packing layer 6, the third gravel packing layer 7, the first vegetation layer 4, the first gravel packing layer 5, the second gravel packing layer 6, the third Four gravel packing layers 8, the first gravel packing layer 5 and the second gravel packing layer 6 are located in the same layer, the first vegetation layer 4 is arranged on the first gravel packing layer 5 and t...

Example Embodiment

[0058] Example 3

[0059] The difference between embodiment 3 and embodiment 2 is:

[0060] Dam 1 has a height of 1.6m, a width of 3.2m, a top thickness of 0.7m and a bottom thickness of 1.7m; the inlet inclined pipe 2 adopts UPVC hexagonal honeycomb inclined pipe. is width×height=1m×0.5m, the inlet end of the inlet inclined pipe is 0.3m higher than the bottom of the dam, the hexagonal honeycomb aperture in the inclined pipe is 50mm, and the angle between the inlet inclined pipe 2 and the water surface is 40°; the first vegetation layer 4. The planting plant is calamus, and the planting density is 25 plants / m2 2 ; The first gravel packing layer 5 covers the outlet end of the inlet inclined pipe 2, the thickness (height) is 0.4m, and the gravel particle size is 50-60 mm; the second gravel packing layer 6, the third gravel packing layer 7, the fourth gravel packing The thickness of layer 8 is 0.4m, wherein the second gravel packing layer 6 has a gravel particle size of 30-40 m...

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Abstract

The invention discloses an anti-blocking baffling type percolation dam which comprises a retaining dam body, a downstream percolation area, a partition wall, an upstream percolation area and a side wall. A water body in a river channel flows into the downstream percolation area through a water inlet inclined pipe arranged on the retaining dam body, then passes through a water passing hole in the bottom of the partition wall to flow into the upstream percolation area and flows out of the top of the upstream percolation area. The water inlet inclined pipe is adopted for water inputting, the upstream and downstream baffling mode is adopted in the percolation areas, emerging and sinking multi-element vegetable layers are adopted, and the dam has the advantages of being good in anti-blocking effect, high in filtering efficiency and good in purification and landscape effect.

Description

technical field [0001] The invention relates to the technical field of river channel environment treatment, in particular to an anti-clogging deflection type seepage dam. Background technique [0002] Seepage dams are mostly made of concrete blocks, block stones, gravel, etc., which not only have the function of intercepting water body and regulating flow, but also have certain water purification ability through the comprehensive effect of filler filtration and biochemical degradation of microorganisms growing in the filler. It is widely used in river ecological management. However, due to the high content of suspended solids such as sediment and inorganic or organic waste in the river, conventional seepage dams are more prone to clogging; and because the water flow direction and purification methods in conventional seepage dams are relatively simple, the water purification capacity is limited , It is often necessary to use multi-stage infiltration dams to achieve better pu...

Claims

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Application Information

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IPC IPC(8): C02F3/32C02F101/16
CPCY02W10/10
Inventor 刘志军熊芨刘恋刘月红
Owner WUHAN ZHONGKE HYDROBOLOGY ENVIRONMENTAL ENG
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