SH series double shaft powder mixer is a new equipment developed for cement industry to grind new processes separately according to customer requirements after single shaft powder mixer. SH series double shaft powder mixer is suitable for mixing various grades of cement according to the required proportion after the cement raw materials are grinded separately; It is also suitable for evenly mixing slag powder, fly ash and other micro powders into cement: cement of various grades can be mixed according to different proportions to achieve "blending" of cement varieties and grades at will, which makes it possible for cement enterprises to produce multiple varieties of products conveniently, flexibly and quickly. At the same time, it is also suitable for the uniform mixing of pharmaceutical, chemical, feed industries and multi-component dry powder raw materials.