BB fertilizer is usually called blended fertilizer, which is a kind of compound fertilizer with at least two nutrients of nitrogen, phosphorus and potassium in specified amounts made by dry mixing method. In the process of BB fertilizer production, the mixing process is the key link to determine the product quality and production efficiency. As the leading equipment in the mixing process, the performance of the mixer will directly affect the product quality and production efficiency. This article briefly introduces the 12 tons per hour BB fertilizer mixing equipment.