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Saline land improvement and management system and well completion slotting method thereof

A technology of saline-alkali land and vertical wells, which is applied in the direction of soil preparation methods, soil lifting machinery, agricultural machinery and implements, etc. It can solve the problems of blocked water pumps and pipelines, soil sandstone loss, and poor practicability, so as to increase discharge efficiency and improve processing speed , the effect of lowering the water level

Pending Publication Date: 2018-09-28
WATER RESOURCES RES INST OF SHANDONG PROVINCE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a saline-alkali land improvement management system and its well-forming and slotting method, which solves the problem that the existing saline-alkali land treatment technology usually discharges brine by opening a well, but the efficiency is often low and it is easy to Cause sand and stone loss in the soil, block water pumps and pipes, and cause poor practicality

Method used

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  • Saline land improvement and management system and well completion slotting method thereof
  • Saline land improvement and management system and well completion slotting method thereof

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Embodiment

[0037] Embodiment: The number of vertical shafts 2 can be set up according to actual needs, and the distance between two adjacent vertical shafts 2 can be appropriately adjusted according to the salt content of the saline-alkali land, and a higher control effect has been obtained;

[0038]The number of horizontal holes 3 can be increased and decreased according to the depth of the vertical shaft 2, and the distance between two adjacent horizontal holes 3 can be appropriately adjusted according to the salt content of the saline-alkali land. Set according to construction conditions and drainage requirements;

[0039] The length of the drainpipe 4 matches the horizontal hole 3, and the lengths of the drainpipe 4 and the horizontal hole 3 can be lengthened or shortened as required, and the drainpipe is made of a salt-resistant and corrosion-resistant material, and needs to be hard. It is convenient to maintain the shape of the horizontal hole 3;

[0040] The geotextile 5 and the ...

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Abstract

The invention discloses a saline land improvement and management system, and belongs to the technical field of saline land management. The saline land improvement and management system comprises a soil layer. A vertical well is formed in the soil layer, horizontal holes are formed in the positions, on the two sides of the vertical well, in the soil layer, and drainage pipes are arranged in the horizontal holes. According to the saline land improvement and management system and a well completion slotting method thereof, the aim of increasing the saline land treatment speed is achieved; the horizontal holes are additionally formed on the basis of the vertical well, saline water can flow into the vertical well conveniently, the drainage efficiency of the saline water is improved, and the number of the formed vertical well is reduced. By arranging geotechnical cloth and hard sponges, sandy soil losses can be effectively avoided, water pipes and a water pump are prevented from being blocked, the service life of equipment is effectively prolonged, the water pump can be effectively controlled to be started and stopped, the water pump is prevented from idling when there is no water, and resource waste is avoided; the water pump can be effectively powered through a water-light complementing power system, and the management process is more environmentally friendly.

Description

technical field [0001] The invention relates to the technical field of saline-alkali land treatment, in particular to a saline-alkali land improvement and treatment system and a well forming and slotting method thereof. Background technique [0002] Saline-alkali land is a type of salt accumulation, which means that the salt contained in the soil affects the normal growth of crops. According to the incomplete statistics of UNESCO and FAO, the area of ​​saline-alkali land in the world is 954.38 million hectares, of which my country is the largest 99.13 million hectares. The formation of alkaline soil and alkalized soil in my country is mostly related to the accumulation of carbonate in the soil, so the degree of alkalization is generally high, and plants in severe saline-alkali soil areas can hardly survive. [0003] Saline-alkali land contains high salinity, which makes it difficult for plants to survive, and the existing saline-alkali land treatment technology often dischar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B77/00A01B79/02
CPCA01B77/00A01B79/02
Inventor 张保祥金丽郑强李佳宁张凌晓杨梦林
Owner WATER RESOURCES RES INST OF SHANDONG PROVINCE
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