Refractory powder roller refining device

The utility model discloses a refractory powder roller refining device which comprises two refining charging barrels which abut against each other, the front ends and the rear ends of the refining charging barrels are rotationally connected with installation frames, and the refining charging barrels are respectively provided with a driving motor in an assembling and connecting mode. A long discharging hole is formed in the refining charging barrel, and a threaded sealing material hole is formed in the refining charging barrel; the device further comprises material grinding sleeves arranged on the outer sides of the two refining charging barrels in a sleeving mode, and gaps are formed between the side walls of the refining charging barrels and the inner side walls of the material grinding sleeves. The grinding sleeve comprises an upper horizontal sleeve part and a lower horizontal sleeve part, and a curved surface part matched with the refined charging barrel in shape is integrally formed between the two sides