Combined draining and saline controlling system for saline and alkaline land

A saline-alkali land and underground drainage technology, which is applied in soil drainage, construction, application, etc., can solve the problems of high project cost and large one-time investment, and achieve the effect of reducing the excavation area, facilitating construction, and promoting high-efficiency agricultural production

Active Publication Date: 2013-01-30
HOHAI UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

However, the underground pipe drainage technology generally uses local material pipes or plastic pipes, and the project

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  • Combined draining and saline controlling system for saline and alkaline land
  • Combined draining and saline controlling system for saline and alkaline land
  • Combined draining and saline controlling system for saline and alkaline land

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[0021] In the following, the present invention will be further clarified with reference to the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. After reading the present invention, those skilled in the art will understand various aspects of the present invention. Modifications in equivalent forms fall within the scope defined by the appended claims of this application.

[0022] See figure 1 , figure 2 , image 3 with Figure 4 As shown, a compound drainage and salt control system for saline-alkali land of the present invention includes underground drainage ditch 1, water collection well 2, surface drainage open ditch 3, reservoir 4, control gate 5 in the ditch, and a water pump. Underground drainage ditches 1 are arranged crisscross each other in farmland 13. Among them, the section of the underground drainage ditch 1 is a trapezoi...

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Abstract

The invention discloses a combined draining and saline controlling system for a saline and alkaline land. The combined draining and saline controlling system comprises underground draining subdrains, surface draining open channels, intra-channel controlling gates, water collecting wells, water pumps and reservoirs, wherein the underground draining subdrains are arranged in a farmland in a staggered mode; the surface draining open channels are perpendicular to the underground draining subdrains; the water collecting wells are arranged at joints of the underground draining subdrains; the water pumps are arranged in the water collecting wells; the reservoirs are arranged at tail ends of the surface draining open channels; and the intra-channel controlling gates are arranged between the surface draining open channels and the reservoirs. According to the combined draining and saline controlling system, a horizontal draining system and a vertical draining system are integrated, so that draining and saline reducing effects are achieved, and the common problems that water is drained unsmoothly, the excavation area is large, collapse easily occurs and the like are solved.

Description

technical field [0001] The invention belongs to the technical field of farmland water conservancy engineering, and in particular relates to a compound drainage and salt control system for saline-alkali land. Background technique [0002] Saline-alkali land often has the problems of poor drainage, soil back-salting and secondary salinization. The drainage effect is not good, which is not conducive to the growth of crops. To prevent salinization of the soil, the groundwater table should be kept at a relatively high depth. Field engineering to control the groundwater level has both horizontal and vertical drainage forms. Among them, horizontal drainage can be divided into two types: open ditch and hidden pipe. The use of open ditch drainage in field engineering requires a large amount of excavation, and there are problems such as easy collapse, easy silt, and easy growth of weeds. The use of hidden pipe drainage in field engineering can reduce the occupation of cultivated la...

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Application Information

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IPC IPC(8): E02B11/00
Inventor 张展羽冯根祥翟亚明陈阳
Owner HOHAI UNIV
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