A clay moisture extraction device

Abstract

The invention discloses a clay moisture extracting device. The clay moisture extracting device comprises a shell, an extraction tank, a piston, a pressure plate, an air cylinder, a liquid collecting bottle and a material collecting tank, wherein the piston is arranged in the extraction tank, the pressure plate is fixed at the bottom end of the piston through a connecting rod, a filter is arranged at the lower end of the pressure plate, a filter screen is arranged at the bottom in the extraction tank, and the material collecting tank is mounted at the lower end of the extraction tank; and an exhaust tube is connected to the top end of the extraction tank, a feeding pipe with a one-way valve and a liquid extracting pipe are connected to the side wall of the extraction tank, a slide joint is mounted on the liquid extracting pipe, a connecting plate is mounted at the lower end of the liquid extracting pipe, the lower end of the air cylinder is connected to the connecting plate, a liquid charging control valve and a docking device are respectively mounted at the lower end of the liquid extracting pipe, and the liquid collecting bottle is arranged below the docking device. The clay moisture extracting device has the advantages that the structure design is reasonable, and the whole extraction processes are finished in a vacuum environment, so that collected moisture is in a natural state, the evaporation of the moisture is reduced, the pollution is avoided, and the cost is low.

Description

technical field [0001] The invention relates to separation equipment, in particular to a clay water extraction device. Background technique [0002] With the development of economic construction, hydrogeological, engineering geology, and environmental geology problems related to or controlled by cohesive soil pore water seepage caused by human engineering activities (such as land subsidence, seawater intrusion, foundation treatment, water conservancy project leakage, etc.) ) mouth tends to intensify, and the role of cohesive soil aquitards has been paid more and more attention. The pore water of cohesive soil becomes the basis and key problem to solve these problems. Therefore, how to effectively extract and collect cohesive soil pore water is the key to analyzing pore water, which is also an important factor to promote the development of aquitard hydrogeology. [0003] In the prior art, the traditional mechanical press can adjust the pressure, but it is difficult to apply...

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the traditional mechanical press can adjust the pressure, but it is difficult to apply a large pressure, and it is difficult to drain the pore water. The existence of bound water in the clay makes the collection of pore water very difficult, and the collection cycle will also be slow. infinite stretch

At the same time, because the pore water sample collection devices are exposed to the atmosphere, the pore water is easily oxidized and evaporated, which changes the chemical composition of the pore water.

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