Saline-alkali soil improvement and treatment system and shaft-forming grooving method thereof

Abstract

The invention discloses a shaft-forming grooving method of a saline-alkali soil improvement and treatment system. The method comprises the following steps: S1, digging an embedded groove; S2, pouring a concrete shaft; S3, laying a pipeline; and S4, conducting circulating water supply: conveying water to the soil layer through a water supply pipeline, and discharging the alkali-containing water permeating into the shaft through a water pumping pipeline. The invention further discloses the saline-alkali soil improvement and treatment system. The saline-alkali soil improvement and treatment system comprises a cement shaft, wherein the water pumping pipeline is installed in the cement shaft, a plurality of permeation holes are formed in the side wall of the cement shaft, scraping rings are slidably connected to the inner walls of the permeation holes, a plurality of driving rings are arranged on the side wall of the water pumping pipeline in a sleeving mode, a plurality of pump chambers are formed in the side walls of the driving rings, and driving devices for driving the scraping rings to move are installed in the pump chambers. The scraping rings move back and forth in the permeation holes, so that soil entering the permeation holes is effectively removed, the permeation holes can be prevented from being blocked, meanwhile, the permeability of the permeation holes can be kept for a long time, and the treatment efficiency of saline-alkali soil is improved.

Description

technical field [0001] The invention relates to the technical field related to soil treatment, in particular to a saline-alkali land improvement system and a well-forming and slotting method thereof. Background technique [0002] In the arid and semi-arid areas of Northeast, Northwest, and North China, the precipitation is small and the evaporation is large. The salt dissolved in the water is easy to accumulate on the soil surface, resulting in a large amount of salinity in the soil, which greatly affects the growth of plants. [0003] In view of this, the application number "201810698361.6" proposed "a saline-alkali soil improvement management system and its well-forming and slotting method". When the water cannot be injected into the shaft or discharged, it can only be solved by laying geotextiles and hard sponges. After long-term use, although the soil is filtered outside the geotextiles or hard sponges, as the soil trapped outside the geotextiles becomes more and more I...

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Problems solved by technology

[0003] In view of this, the application number "201810698361.6" proposed "a saline-alkali soil improvement management system and its well-forming and slotting method". When the water cannot be injected into the shaft or discharged, it can only be solved by laying geotextiles and hard sponges. After long-term use, although the soil is filtered outside the geotextiles or hard sponges, as the soil trapped outside the geotextiles becomes more and more If there are too many, the water inflow and drainage resistance will gradually increase, which will greatly reduce the treatment efficiency of saline-alkali land

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