In-situ restoration device and in-situ restoration method of organic polluted soil and underground water

The invention provides an in-situ restoration device and an in-situ restoration method of organic polluted soil and underground water. The in-situ restoration device designed by the invention comprises a pneumatic source system, an agent dissolving and preparing system, an in-situ injection system and an injection well system. The in-situ restoration device is characterized in that the organic polluted soil and the underground water in a saturation layer and a non-saturation layer can be restored, injection wells are distributed at polluted areas according to the conditions of pollution distribution and hydrogeololgy and the like, and oxidizing agents prepared by the dissolving and preparing system are injected into the polluted areas by certain pressure through the injection system to restore target pollutants. The in-situ restoration device provided by the invention has the advantages that the injection wells are subjected to three-layer sealing by three sealing materials, the integration is good, the disassembly is fast and the economic and fast effects are achieved.