Modularized treatment system for simple substance phosphorus polluted soil and use method

The invention relates to the technical field of soil remediation, in particular to a modular treatment system for soil polluted by elemental phosphorus and a using method, and the modular treatment system comprises a movable polluted soil collecting unit, a negative pressure feeding module, a thermal desorption module, an unearthed transfer detection module, a primary dust collector, a spray tower, a secondary dust collector, an induced draft fan and an emergency module, the movable contaminated soil collection unit, the negative pressure feeding module, the thermal desorption module and the unearthed transfer detection module are sequentially matched, butted and communicated, the air outlet end of the thermal desorption module is sequentially matched, butted and communicated with the primary dust collector, the spray tower, the secondary dust collector and the induced draft fan, and the emergency module is used for carrying out safety monitoring and treatment on the thermal desorption module. According to th