Magnetic separation enhanced type electromagnetic thermal desorption method and device for remediating soil
A repair method and thermal desorption technology, which is applied in the field of contaminated site repair, can solve the problems of exhaustion of waste heat of flue gas and low heat utilization rate, and achieve the effects of high heat transfer efficiency, good reaction effect and good mass transfer effect
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[0039] The structural representation of an embodiment of the present invention is shown in figure 2 . The magnetic separation enhanced spiral stirring electromagnetic thermal desorption system of the present invention is composed of a material feeding stirring device, an electromagnetic thermal desorption device, a magnetic separation device, a tail gas treatment device and a control system. The electromagnetic thermal desorption device is cylindrical, with an inner diameter of 200 mm and a length of 3000 mm. It is made of heat-resistant ceramics, with a built-in stainless steel stirring device, and aluminum silicate cotton insulation material is laid on the outside. A temperature sensor is connected to the electromagnetic controller 5 inside the device. Can automatically display and control the heating temperature.
[0040] Contaminated soil is fed into the thermal desorption device by the stirring screw, and the mass ratio of iron powder and polluted soil added is 1:50; th...
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