Internal circulation system for oil path of high-speed centrifugal drying atomizer

The invention relates to a high-speed centrifugal drying atomizer oil path internal circulation system, which comprises an upper gear oil tank, a lower gear oil tank and an oil path, the lower oil storage tank is arranged below the upper gear oil tank, and the lower oil storage tank and the upper gear oil tank are connected through a connecting sleeve; the main shaft is rotationally arranged in the connecting sleeve, the upper end of the main shaft is connected with the output end of the gear set, and the lower end penetrates through the lower oil storage tank to be connected with the atomizing disc; oil passing gaps are formed between the main shaft and the bottom of the upper gear oil tank, between the main shaft and the connecting sleeve and between the main shaft and the top of the lower oil storage tank; the main shaft is connected with the connecting sleeve through a bearing; the first oil way is connected with the lower oil storage tank and the upper gear oil tank, and an oil pump motor and a purificat