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Farmland discharging-irrigating series facilities

A facility and a series of technologies, applied in the field of rural water conservancy, can solve problems such as channel foundation deformation, shallow drains, and difficulty in lowering groundwater levels

Inactive Publication Date: 2009-06-03
奕永庆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a series of farmland drainage and irrigation facilities in the field to solve the technical problems of shallow drains, difficulty in lowering the groundwater level, and large deformation of the channel foundation.

Method used

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  • Farmland discharging-irrigating series facilities
  • Farmland discharging-irrigating series facilities
  • Farmland discharging-irrigating series facilities

Examples

Experimental program
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Embodiment Construction

[0026] The implementation mode takes layered drainage ditch as an example. figure 1 The upper part of both sides of the ditch wall 5 of the middle drainage ditch is connected to the upper drainage pipe 6, the middle part is connected to the middle drainage pipe 8, and the lower part is connected to the lower drainage pipe 12. The ditch wall 5 is connected with the cushion layer 1 to form a trapezoidal drainage ditch lined with porous prefabricated panels. The pipe end of the upper drainage pipe 6 is provided with a drainage valve 7, which is a "switch" for draining surface water; the middle drainage pipe 8 pipe ends are provided with a plug 9 and a plug seat 10. The cast-in-place concrete and the plug are combined, and the middle drainage pipe The "switch" is "closed" when planting rice and buried in the soil; the lower drainage pipe 12 is a plastic pipe with a diameter of 50 mm, one every 4 to 5 meters, and the orifice is equipped with anti-filter material to prevent silt from...

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Abstract

The invention relates to field irrigation and drainage equipment, which comprises a laminated rectangle groove, hollow block assembled Z-shaped drainage groove, a single-edge drainage hidden tube, porous plate trapeze channels, rectangle channels, bidirectional underground irrigation tube, while said seven modes can be selected according to real condition. The invention is characterized in that the laminated drainage groove is communicated with upper, middle and lower drainage tubes at two side walls, while the walls are connected with the gasket layer to form trapeze drainage groove assembled by porous preformed plates; the end of upper drainage tube is arranged with a drainage door; the end of middle drainage tube is arranged with a plug and the plug base is assembled from on-site concrete and the plug; the lower drainage tube is plastic tube, while the opening can avoid being blocked. The invention can be used to irrigate and drain the field.

Description

technical field [0001] The invention relates to the field of rural water conservancy, and is a new facility suitable for farmland drainage and irrigation in rainy areas. technical background [0002] Irrigation and drainage are the core of farmland water conservancy. Irrigation canals and drainage ditches are like human arteries and veins, and they are the most basic facilities for agricultural production. Due to historical reasons, soil channels are still used in farmland, with serious leakage and siltation, which not only wastes water resources, but also causes too much irrigation near the ground (canal head) and too little irrigation far away, so that water resources cannot be fully utilized. Also due to historical reasons, most farmland drainage ditches are not deep enough (about 0.3 meters), and can only discharge surface water but not groundwater. High water content affects air exchange between soil and atmosphere, O in soil 2 Insufficient, the temperature will drop ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G25/00E02B13/00
Inventor 奕永庆
Owner 奕永庆