Direct thermal desorption device for polluted soil and waste heat recovery system

The utility model belongs to the field of polluted soil direct thermal desorption devices and waste heat recovery systems, and particularly relates to a polluted soil direct thermal desorption device and a waste heat recovery system, which comprise a polluted soil remediation project adopting an ectopic thermal desorption technology, and the polluted soil remediation project adopting the ectopic thermal desorption technology comprises a main project, an auxiliary project and supporting facilities, the polluted soil direct thermal desorption device and the waste heat recovery system are characterized in that the main body engineering comprises temporary storage and pretreatment, and the polluted soil direct thermal desorption device and the waste heat recovery system have the advantages that the polluted soil direct thermal desorption device and the waste heat recovery system are simple in structure and convenient to use. Waste gas, waste water, noise and solid waste in the implementation process of the direct