Environment-friendly municipal contaminated soil remediation system and use method thereof

Abstract

The invention discloses an environment-friendly municipal contaminated soil remediation system and method, and aims to solve the problems that in the contaminated soil purification and remediation process, the progress is slow, and the working efficiency is low; that in the remediation process, the basic attributes of the soil cannot be guaranteed, and the surrounding environment can be polluted in the treatment process. and that an existing treatment mode consumes a large amount of energy in the treatment process and the treatment cost is high. According to the technical scheme, the system comprises a negative pressure greenhouse and an indirect thermal desorption treatment system, and is characterized in that the indirect thermal desorption treatment system further comprises a control module, a soil detection module, a temperature detection module, a treatment module, a heat energy recoverer, an iron remover and induced draft fan equipment. By arranging the indirect thermal desorption treatment system, the temperature of the whole soil can be controlled to reach 500-600 DEG C at the same time, the basic attributes of the soil are reserved, excessive oxidation is avoided, and compared with a traditional single-section thermal desorption device, the soil thermal desorption time is saved by 30%, and the remediation efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of remediation of polluted soil, in particular to an environment-friendly and municipal polluted soil remediation system and its application method. Background technique [0002] At present, the remediation of contaminated soil refers to reducing the concentration (activity) of soil pollutants through the principles of physics, chemistry, biology and ecology, and adopting artificial control measures, so as to achieve the harmlessness and stabilization of pollutants, so as to achieve the expected Technical measures of detoxification effect. Theoretically feasible remediation technologies include phytoremediation, microbial remediation, chemical remediation, physical remediation and comprehensive remediation. Some restoration techniques have entered the stage of field application and achieved good results. Remediation of contaminated soil is of great significance to block pollutants from entering the food ch...

AI Technical Summary

Problems solved by technology

[0004] Based on the existing environmental protection and municipal contaminated soil remediation system and its use method, the process of purifying and remediating contaminated soil is slow and the work efficiency is low; not only the basic properties of the soil cannot be guaranteed during the remediation process, but also the surrounding environment will be damaged during the treatment process. Pollution; the existing treatment method consumes a large amount of energy during the treatment process, and the technical problem of high treatment cost, the present invention proposes an environmental protection municipal polluted soil remediation system and its use method

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