Fuente: WIPO "essential oil or extracts" The utility model discloses a rose essential oil processing pretreatment device. The feeding device comprises a hopper, a feeding port and a machine shell. A through hole is machined in the top of themachine shell. Branch pipes are mounted in the through holes; the bottom of the branch pipe is located in the machine shell and provided with a spray head. The bottom of the feeding hole is communicated with the top of the left end of the screen frame; an auger shaft is arranged in the middle of the interior of the screen frame; blades are arranged on the outer circumferential surface of the auger shaft in the screen frame; the left end and the right end of the auger shaft extend out of the screen frame and are fixed to the left end and the right end of the machine shell. The rightmost end ofthe auger shaft is connected with a motor; a water outlet is formed in the left end of the bottom of the machine shell, a separation barrel is arranged at the right end of the bottom of the machine shell, the top end of the separation barrel communicates with the right end of the bottom of the screen frame, barrel wall teeth are arranged on the barrel wall of the inner side of the separation barrel, upper and lower separation rollers are arranged in the separation barrel, and roller teeth are arranged on the outer circumferential faces of the upper and lower separation rollers.