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A ditch anti-clogging refill filter device

A filtration device and anti-clogging technology, applied in the direction of filtration separation, filtration loop, fixed filter element filter, etc., can solve the problems of occupying the river area, reducing the filtration efficiency, blocking the filter screen, etc., so as to increase the filtration area and improve the Filtration efficiency and the effect of increasing the amount of replenishment

Inactive Publication Date: 2019-06-18
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, placing the filter device at the bottom of the river in this invention will occupy the area of ​​the river and affect the water flow. When the sediment is silted up, the filter will be blocked and the filtration efficiency will be reduced.

Method used

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  • A ditch anti-clogging refill filter device
  • A ditch anti-clogging refill filter device
  • A ditch anti-clogging refill filter device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A ditch anti-clogging refill filter device, such as figure 1 and figure 2 As shown, it includes a labyrinth weir structure 3, an inclined plate filter structure 6 and a dredging well 8. The labyrinth weir structure 3 is laid on the ditch slope 5. The labyrinth weir structure 3 includes a plurality of labyrinth weir monomers, and the labyrinth weir monomer includes a filter plate One 15 and filter plate two 16, filter plate one 15 and filter plate two 16 are all provided with a plurality of water inlet holes 4, filter plate one 15, filter plate two 16 and ditch slope 5 are surrounded to form a water storage cavity 17, the water storage cavity 17 is vertically arranged along the ditch slope 5, one end of the inclined plate filter structure 6 communicates with the water storage cavity 17 of the labyrinth weir structure 3, and the end of the inclined plate filter structure 6 far away from the labyrinth weir structure 3 passes through the collector with a plurality of water...

Embodiment 2

[0044] A ditch anti-clogging refill filter device, its structural composition is the same as that of embodiment 1, the difference is:

[0045] Wherein, the D50 of the fine filter material 9 is 1 mm, the D50 of the medium and fine filter material 10 is 3 mm, and the D50 of the coarse filter material 13 is 5 mm. Among them, the specification of geotextile is 200g / m 2 .

Embodiment 3

[0047] A ditch anti-clogging refill filter device, its structural composition is the same as that of Example 1, the difference is: wherein, the D50 of the fine filter material 9 is 3mm, the D50 of the medium and fine filter material 10 is 5mm, and the D50 of the coarse filter material 13 D50 is 7mm. Among them, the specification of geotextile is 400g / m 2 .

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Abstract

The invention discloses a ditch anti-blocking recharge filtering device, and belongs to the technical field of aquifer recharge, namely groundwater artificial recharge. The ditch anti-blocking recharge filtering device comprises a ditch, a labyrinth weir structure, a sloping plate filter structure and a dredging well, and the labyrinth weir structure is laid on a ditch slope, and comprises a plurality of labyrinth weir monomers; each labyrinth weir monomer comprises filter plates I and filter plates II, and the filter plates I and the filter plates II are each provided with a plurality of water inlets; the filter plates I, the filter plates II and the ditch slope enclose and form a water storage cavity, and the water storage cavity is vertically formed along the ditch slope; and one end ofthe sloping plate filter structure communicates with the labyrinth weir structure, and the end, far away from the labyrinth weir structure, of the sloping plate filter structure communicates with thedredging well through a collector pipe which is provided with a plurality of drain holes. According to the ditch anti-blocking recharge filtering device, the area of a river channel is not occupied,and water flow is not affected; and the filtering device is prevented from being blocked by sediments, and the filtering efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of groundwater artificial recharge, in particular to a ditch anti-clogging recharge filter device. Background technique [0002] Managed Aquifer Recharge——Managed Aquifer Recharge, referred to as MAR, is a technical method for purposefully storing water in suitable aquifers, and adopts a series of management measures to ensure that human health and environmental safety are not damaged. Due to the improvement of the ecological environment, the problem of water resource shortage, especially seasonal water resource shortage, can be solved through mining to obtain considerable economic benefits. [0003] In solving the problem of artificial recharge, Chinese patent application CN201210003853 discloses a method for groundwater recharge and seepage enhancement, in which a recharge tank is artificially excavated on a high permeability soil layer, and the coarse filter material is filled in the recharge tank as reve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B5/00E02B5/08B01D29/03B01D29/50B01D36/02
CPCB01D29/03B01D29/50B01D36/02E02B5/00E02B5/08
Inventor 王维平刘帅曲士松李凤丽李文良郑晴阳倪鲁东王琛张郑贤
Owner UNIV OF JINAN
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