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Simulator for transport of soil pollutant

A technology for simulating devices and pollutants, which is applied in the field of soil pollutant migration simulation devices to achieve the effects of high data accuracy, low investment and convenient operation

Inactive Publication Date: 2013-12-04
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solve the problem of indoor research on the nature and law of pollutant migration. The conclusions obtained from the experiment can be used as a theoretical basis for predicting and repairing soil pollution.

Method used

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  • Simulator for transport of soil pollutant
  • Simulator for transport of soil pollutant
  • Simulator for transport of soil pollutant

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Experimental program
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Embodiment Construction

[0030] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0031] Such as figure 1 As shown, the pollutant migration indoor simulation device injects the pollutant solution into the soil of the test column through the constant head solution injection system. The constant water head solution injection system consists of three Marlson jars, which are filled with clear water to saturate the soil samples and connected to the fifth valve at the bottom of the test column, and the Marlson jars are filled with high-concentration solution, namely the displacement solution. It is connected to the first valve on the top of the test column, and the Martens flask filled with the low-concentration solution, that is, the displaced solution, is connected to the second valve on the top of the Martens flask, and both the Martens flask and the valve are connected by a silicone tube. The Martens bottle provides a constant wa...

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Abstract

The invention discloses a simulator for transport of soil pollutant. The simulator comprises a solution injection system, a testing column, a measuring system, and an outlet collecting system, wherein the solution injection system comprises solution injection bottles and guide pipes; valves are arranged at two ends of the testing column, conductivity electrode mounting holes are formed in a side face of the testing column, and an air outlet hole is formed in the top of the testing column; the measuring system comprises conductivity electrodes, a conductivity meter, a pressure sensor, a date collector and a computer; the outlet collecting system comprises a water outlet pipe and an outlet collecting container. According to the simulator, the transfer behavior of pollutants in soil body can be simulated indoors; distribution condition of concentration of pollutant in time and space and the real-time changing of the outlet volume can be acquired in a real-time manner during the simulation; the automation degree is high and the precision is high; therefore, the simulator obviously keeps ahead of relative instruments at home and abroad.

Description

technical field [0001] The invention discloses a soil pollutant migration simulation device, and relates to the field of instruments and equipment used for indoor experiments on pollutant migration in soil. Background technique [0002] With the development of industrialization and urbanization, the extensive use of domestic sewage, industrial waste water, various landfills, and pesticides and fertilizers in agriculture has led to a multiplied increase in the discharge of polluted liquid to the soil. Soil pollution has become a high priority of the Chinese government. It is one of the major environmental protection issues that we pay attention to and strive to solve. The pollutant migration indoor simulation test is one of the migration test methods. Compared with the field test, it has the advantages of reliable technology, simple process, convenient control of test conditions, and low investment. It has become the first choice in my country and many developed countries at ...

Claims

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Application Information

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IPC IPC(8): G01N13/04
Inventor 艾英钵陈宽施建勇沈晶晶皇大勇张满红
Owner HOHAI UNIV
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