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Back stop device of drain pipe of irrigation seepage control canal

A drainage pipe and backstop technology, applied in irrigation pipes, applications, buildings, etc., can solve the problems of reducing the seepage-proof effect of anti-seepage channels, and the water utilization coefficient cannot be improved, and achieves the effect of simple structure, simple installation and convenient construction.

Inactive Publication Date: 2010-06-16
陈鸿飞
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When designing irrigation anti-seepage channels, in order to ensure the structural stability and safety of the channel slope and the anti-seepage body, drainage pipes must be installed to effectively reduce the groundwater level on the bank slopes of the anti-seepage channels during the rainfall period. Countercurrent recharging seriously reduces the anti-seepage effect of the anti-seepage channel, resulting in the inability to improve the water utilization coefficient of the canal system

Method used

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  • Back stop device of drain pipe of irrigation seepage control canal
  • Back stop device of drain pipe of irrigation seepage control canal
  • Back stop device of drain pipe of irrigation seepage control canal

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Embodiment Construction

[0009] The irrigation anti-seepage channel drainage pipe backstop device according to the present invention comprises a base 9 on which a groove 21, a mounting groove 6 and three fan-shaped first nozzles 7 are arranged, and the three first nozzles 7 are arranged along the circumference Evenly distributed, the included angle α of the first nozzle 7 is 60 degrees, the shaft 8 is set in the middle of the base 9, the positioning protrusion 5 is set on the base 9, the sealing disc 22 is installed in the groove 21; a round hole is set on the sealing disc 22 23 and the arc groove 4, the arc groove 4 is a 60-degree arc groove, the outer periphery of the sealing disc 22 is provided with a limit convex edge 3, and the sealing disc 22 is provided with three fan-shaped second nozzles 12, three second nozzles 12 Evenly distributed along the circumference, the size and shape of the second nozzle 12 and the first nozzle 7 are the same; the round hole 23 cooperates with the shaft 8, so that th...

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Abstract

The invention discloses a back stop device of a drain pipe of an irrigation seepage control canal, which comprises a base, wherein a groove, an installing groove and a first water gap are arranged on the base; a shaft is arranged in the middle of the base of the first water gap; a positioning lug is arranged on the base; a sealing disc is installed in the groove; a round hole and an arc groove are arranged on the sealing disc; the periphery of the sealing disc is provided with a spacing convex edge; a second water gap is arranged on the sealing disc; the round hole is matched with the shaft; the positioning lug is matched with the arc groove; the spacing convex edge is matched with the edge of the base; a triangle hole is arranged on the sealing disc and communicated with the round hole; a water permeable cover is mounted on the periphery of the base; a water outlet hole is arranged on the water permeable cover; an adjusting rod is installed in the middle of the water permeable cover; a triangle block is arranged at one end of the adjusting rod and matched with the triangle hole; and a flexible pipe is installed on the periphery of the water permeable cover. The invention can solve the problems in the prior art, can prevent water in the canal from reversely flowing and recharging through the drain pipe in an irrigation period, can greatly improve the seepage control effect of the seepage control canal, and simultaneously can not affect the draining function of the drain pipe.

Description

technical field [0001] The invention relates to a backstop device for drainage pipes of irrigation anti-seepage channels. Background technique [0002] With the increasing scarcity of fresh water resources, my country is vigorously promoting agricultural water-saving irrigation technology, among which channel seepage prevention is one of the most important measures of water-saving irrigation technology. When designing irrigation anti-seepage channels, in order to ensure the structural stability and safety of the channel slope and the anti-seepage body, drainage pipes must be installed to effectively reduce the groundwater level on the bank slopes of the anti-seepage channels during the rainfall period. Countercurrent recharging seriously reduces the anti-seepage effect of the anti-seepage channel, resulting in the inability to improve the water utilization coefficient of the canal system. According to statistics, the current utilization coefficient of canal water in large-s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B13/00
Inventor 陈鸿飞丁文金高荔潘正松
Owner 陈鸿飞
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