Saline discharge and alkali reduction concealed conduit device for saline-alkali soil
A technology of saline-alkali land and hidden pipes, applied in the fields of application, agricultural machinery and tools, and soil lifting machinery, etc., can solve the problems of unreasonable structure of hidden pipes, complicated construction links, high treatment costs, etc., and achieve effective groundwater level without maintenance costs , The effect of short governance cycle
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[0026] With reference to the accompanying drawings, it can be seen that the specific parts of the hidden pipe device for discharging salt and reducing alkali in saline-alkali land of the present invention include: 1 ~ the saline-alkali plot to be improved, 2 ~ the main pipe that constitutes the hidden pipe for discharging saline-alkali (also known as the main dark pipe, used made of PVC pipe or PE pipe), 3~ the branch pipe that constitutes the hidden pipe for discharging saline and alkali (also known as the auxiliary hidden pipe, made of PVC pipe or PE pipe), 4~ the inspection well (also called the shade well), 5~ The open ditch on the ground, 6~the docking part of the main pipe, 7~the seepage hole (also known as the small water filter hole), 8~the dressing layer (composed of a 10cm thick layer of cheap PVC or PE recycled granulated material or ceramsite) Water seepage layer), 9~water filter layer (a water filter layer formed by a layer of 10cm thick gravel and / or coarse sand l...
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