초록 ▼

A mixer for dry powder, very fine or granular materials and a liquid, e.g., mortar or cement and water, includes a dynamic input mixing stage, a static output mixing stage and a transition tube connecting the two stages in a manner which isolates the two stages from one another. The input mixing sta

A mixer for dry powder, very fine or granular materials and a liquid, e.g., mortar or cement and water, includes a dynamic input mixing stage, a static output mixing stage and a transition tube connecting the two stages in a manner which isolates the two stages from one another. The input mixing stage includes a hopper for receiving the mortar and a horizontal metering screw having a detachable mixing auger. The auger mixes the dry mortar, while the metering screw moves the mixed mortar through a discharge aperture in the hopper and into the transition tube. The metering screw extends into the transition tube for further displacing the dry mortar into the output mixing stage which includes a mixing tube having a fixed internal baffle assembly and an auger disposed along its length. A source of water is connected to the mixing tube for forming a mortar-water slurry. The auger is detachably connected to the metering screw for rotation therewith and acts as a pumping mechanism for discharging the slurry and preventing water from entering the transition tube. The baffle assembly includes an elongated axial rod removably inserted within the auger in the mixing tube and having a plurality of spaced baffles of alternating alignment disposed along its length for statically mixing the slurry. A pair of pivoting closure plates are disposed adjacent the aperture in the hopper for adjusting or shutting off the flow of mortar from the hopper to the transition tube.

대표청구항 ▼

[ I claim:] [1.] A continuous mixing apparatus for particulate materials comprising:a dynamic input mixing stage including a housing adapted to receive the particulate materials and first displacement means for moving the particulate materials toward and through an aperture in said housing;a transit

[ I claim:] [1.] A continuous mixing apparatus for particulate materials comprising:a dynamic input mixing stage including a housing adapted to receive the particulate materials and first displacement means for moving the particulate materials toward and through an aperture in said housing;a transition tube coupled to said housing adjacent the aperture therein for receiving the particulate materials upon discharge through the housing aperture by said first displacement means; anda static output mixing stage coupled to said transition tube for receiving the particulate materials from said transition tube, said output mixing stage including a mixing tube coupled to a source of liquid for adding a liquid to the particulate materials in forming a slurry, second displacement means disposed in said mixing tube for displacing the particulate material and slurry along said mixing tube and discharging the slurry from the mixing tube, and a baffle assembly fixedly disposed within and along the length of said mixing tube for thoroughly mixing the particulate materials and the liquid in forming the slurry prior to discharge from said mixing tube wherein said transition tube and said mixing tube are coaxially aligned.