Pre-treatment device for producing rice vermicelli

The utility model relates to a pre-treatment device for producing rice vermicelli. The pre-treatment device comprises an elevating tank, a sand removing trough, a rice soaking tank, a water filter, a grinder, a cyclone separator, an airlock, a fan and a cloth bag dust collector, wherein a conveying pump I and a feeding pipe I are arranged at the bottom of the elevating tank, an outlet of the feeding pipe I is positioned above the sand removing trough, the sand removing trough is obliquely arranged, the lower end of the sand removing trough is positioned above the rice soaking tank, a conveying pump II and a feeding pipe II are arranged at the bottom of the rice soaking tank, the outlet of the feeding pipe II is positioned above the water filter, a feeding hopper is arranged on the grinder, the feeding hopper is positioned below the water filter, the grinder is connected with the cyclone separator through a pipeline, the upper part of the cyclone separator is connected with the fan, the fan is connected with the cloth bag dust collector, and the lower part of the cyclone separator is connected with the airlock. By using the pre-treatment device disclosed by the utility model to produce the rice vermicelli, the production efficiency can be improved and the production cost can be reduced.