SYSTEM FOR ACCELERATING SALT LEACHING AND DRAINAGE OF SOIL BASED ON NEGATIVE PRESSURE
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United States of America Patent
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Issued Date -
Aug 17, 2023
app pub date -
Feb 25, 2022
filing date -
Sep 27, 2021
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Abstract
The present disclosure provides a system for accelerating salt leaching and drainage of soil based on a negative pressure, and relates to the technical field of soil improvement. The system includes a concealed pipe. The concealed pipe is communicated with a negative pressure chamber. The negative pressure chamber is communicated with an air extracting pump through an air extraction port, and the air extracting pump is configured to evacuate the negative pressure chamber. In the present disclosure, the concealed pipe is arranged, the structure of the concealed pipe is improved, and the negative pressure chamber is arranged between the air extracting pump and the concealed pipe. By evacuating the negative pressure chamber to form a negative pressure area around the concealed pipe for field drainage, the drainage of water in soil is accelerated by the pressure difference, thereby improving the efficiency of drainage and salt leaching per unit time.
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