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Chemical solution saturation device for polluted soil and application method thereof

A chemical solution and contaminated soil technology, applied in the restoration of contaminated soil, measurement devices, preparation of test samples, etc., can solve the problems of unsaturated soil saturation, container material corrosion, chemical solution concentration difference control, etc., to avoid Corrosion, avoid air bubbles, ensure long-term effective applicability effect

Active Publication Date: 2019-11-19
SHANXI UNIV
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  • Claims
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Problems solved by technology

However, the above method cannot be used for the saturation of contaminated soil, mainly because the chemical solution will corrode the container material, and the concentration of the chemical solution in the same batch of soil samples cannot be controlled differently

Method used

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  • Chemical solution saturation device for polluted soil and application method thereof

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Embodiment 1

[0027] Such as figure 1 As shown, the present invention provides a chemical solution saturation device for contaminated soil, which consists of a holding device, a vacuum device and a liquid adding device. The holding device comprises a holding frame 1, a sample holding dish 2, a holding dish cover 7 and a saturator 3, and several holding dishes 2 are arranged on the holding frame 1; The dish cover 7 is connected with a grinding mouth, and the bottom of the holding dish 2 has a circular groove 17, which can be used to place and fix the saturator 3. The saturator is a cylindrical structure, and the bottom and top of the saturator are provided with water-permeable plates, and the inside of the water-permeable plate Filter paper is provided; the soil sample 4 that needs to be saturated is placed in the saturator, and the upper and lower ends of the soil sample 4 are cushioned with filter paper 5 and a water-permeable plate 6; the vacuum device includes a vacuum pump 8, a first de...

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Abstract

The invention discloses a chemical solution saturation device for polluted soil and an application method thereof. The device comprises a loading device, a vacuum device and a liquid addition device,wherein the loading device comprises a loading rack, a sample loading vessel, a loading vessel cover and a saturator, the vacuum device comprises a vacuum pump, a first pollution removal box, an air guide pipe and a vacuum valve, and the liquid addition device comprises a pressurization pump, a pressurization guide pipe, a pressurization switch, a second pollution removal box, a solution guide pipe, a solution box and a solution switch. In the device a plurality of small loading vessels are employed, a sample is placed in one of the loading vessels, each loading vessel is corresponding to thesolution box, so that one-time saturation of samples with different chemical solution concentration can be achieved; with the adoption of a mode for allowing the solution to flow from the top to the bottom of the sample, and bubbles during the solution flowing process are effectively prevented; and container guide pipes involved in the invention are all made of corrosion-resistant materials, a pollution removal device is additionally arranged, and the corrosion of a chemical solution to the device and relevant equipment is effectively prevented.

Description

technical field [0001] The invention relates to a chemical solution saturation device for polluted soil and an application method thereof, belonging to the field of civil engineering rock soil testing. Background technique [0002] As a key resource for human survival, soil plays an important role in human life and production activities. In recent years, with the rapid development of the economy, the situation of soil pollution in my country is very serious. The underground soil layers of most industrial factories, obsolete landfills, and sludge dumps are eroded and damaged by chemical pollutants to varying degrees, and the structure of the contaminated soil will change, thereby affecting its mechanical properties. Therefore, it is necessary to carry out relevant research on the mechanical properties of chemically polluted soil. [0003] In order to study the mechanical properties of contaminated soils below rainfall, valley terraces and groundwater levels, saturated soil ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28G01N1/36B09C1/08
CPCB09C1/08G01N1/28G01N1/36G01N2001/366
Inventor 冀慧刘宏
Owner SHANXI UNIV
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