Positive pressure type anti-explosion cabinet

The utility model provides a positive pressure type anti-explosion cabinet, comprising a sealing cabinet body, wherein the sealing cabinet body is internally provided with a main chamber and an auxiliary chamber, the auxiliary chamber is arranged at the lower end part of the sealing cabinet body, the auxiliary chamber is internally provided with an anti-explosion air-exchange automatic control system, the side wall of the auxiliary chamber is provided with a wire inlet/outlet communicated with the main chamber, the main chamber is internally provided with an acoustic emission device and a display screen, the acoustic emission device is connected with the display screen, and a front cabinet wall of the sealing cabinet body is provided with an acoustic emission device glass window, a display glass window and an operation door. By means of the positive pressure type anti-explosion cabinet provided by the utility model, the problems of easiness for combustion and explosion and the like of storage tanks when the acoustic emission device is used in an oil repository area are solved, the acoustic emission device can be better applied to the oil repository area, detection expense is saved, unnecessary losses caused by production suspension, and tank clearing and the like are decreased; and in addition, an overhauling door is arranged on the rear wall face of the sealing cabinet body, and thus, the maintenance is facilitated.