The application relates to a vacuum mixing device for bone cement, where the monomer is pressed into a mixing container due to the surrounding vacuum and a gas volume present in the monomer container.

A blending machine, for homogenizing materials deposited within an intermediate bulk container (IBC), includes: a frame; a drive motor; a clamp disk rotatably supported by the frame and coupled to the drive motor to drive disk rotation; first and second jaw clamps movably mounted to the frame; and a drive mechanism to drive the jaw clamps to translate toward each other and rotatably secure the IBC's boom to the rotatable clamp disk. A clutch, a torque limiter, and a limit switch limit the pressure applied by the clamps, and the extent of their travel to optimize clamping and rotatability. The blending machine is moveably mounted to a pedestal, and elevated by an actuator. A blending bar within the IBC is coupled through the boom to the clamp disk, and driven to rotate to blend the materials, in addition to mixing by rotation of the ICB.

A method for preparing semisolid slurry. The method is achieved using a device for preparing semisolid slurry. The device includes a slurry vessel and a mechanical stirring rod. The mechanical stirring rod includes a first end and a second end extending into the slurry vessel. The method includes: S1. putting a molten alloy having a first preset temperature into the slurry vessel; S2. cooling the molten alloy to a second preset temperature, positioning the second end of the mechanical stirring rod to be 5-25 mm higher than the bottom wall of the slurry vessel, rotating the mechanical stirring rod and injecting a cooling medium into the mechanical stirring rod; and S3: allowing the temperature of the molten alloy to be 10-90 degrees centigrade lower than the liquidus temperature of the molten alloy, stopping stirring and cooling, to yield a semisolid slurry.

A container for bone cement includes a first member defining a chamber, which contains a first ingredient. The chamber also includes a second member movably coupled to the first member. The second member includes a mixing device that is movably disposed within the first chamber, and the second member defines a second chamber containing a second ingredient. The container additional includes an opening device that selectively opens the second chamber and allows the second ingredient to enter from the second chamber into the first chamber. The mixing device is movable within the first chamber to promote mixing of the first ingredient and the second ingredient to prepare the bone cement. A corresponding method of preparing bone cement also disclosed.

A blender has a mixing chamber for reception of materials to be blended. A mixing screw is mounted at a bottom of the mixing chamber for mixing materials within the mixing chamber and delivering mixed materials to an outlet feeding a processing line. Heaters are mounted within the mixing chamber for drying blend material in the mixing chamber.

The invention relates to an agitator device having a static unit and a rotational unit which is in the form of an agitator shaft and, in an assembled state, forms together with the static unit at least one common fluid channel for a fluid. It is proposed that a flow cross-section of the fluid channel, viewed along a main course of flow, is at least substantially constant at least in a coupling region between the static unit and the rotational unit.

A liquid mixing system includes a support housing at least partially bounding a compartment. A mount is secured to the support housing. A drive motor assembly is configured to engage a drive shaft for moving the drive shaft within the compartment of the support housing. A four bar linkage system extends between the mount and the drive motor assembly, the four bar linkage system being movable between a first position wherein the drive motor assembly is disposed at a first elevation and a second position wherein the drive motor assembly is disposed at a second elevation that is different from the first elevation.

This invention belongs to the field of biomass energy utilization at the large scale. A material stirring device for a biomass bin includes a transmission mechanism, a main stirring mechanism, and an auxiliary stirring mechanism. The main stirring mechanism includes a cylinder connected to the transmission mechanism. The outer wall of the cylinder is provided with a hollow stirring rod. The auxiliary stirring mechanism includes a rotating shaft vertically penetrating through the hollow stirring rod. Both ends of the rotating shaft are provided with stirring blades and the rotating shaft is connected to the transmission mechanism. That the stirring device is easily damaged due to too high density of the biomass material is overcome through the automatic conversion adjustment of the main and auxiliary stirring mechanisms. The continuous discharge efficiency of the biomass bin is improved by the organic integration of over and partial stirring.

A hollow shaft impeller (100) having a hollow impeller housing (120), a magnet (108), an impeller cap (102), an impeller retainer (106), and a plurality of impeller blades (134). The impeller housing has a hub (130) that defines an interior volume (128) and an impeller bore that provides access to the interior volume. The magnet may be sized to be disposed within the interior volume. The impeller cap may be removably coupled to the hollow impeller housing proximate to the impeller bore. The impeller retainer may be removably coupled to the magnet and sized to be disposed within the interior volume. The plurality of impeller blades may project from the hub. Optionally, fins (140) may be disposed on each of the plurality of impeller blades.

A hollow shaft impeller (100) having a hollow impeller housing (120), a magnet (108), an impeller cap (102), an impeller retainer (106), and a plurality of impeller blades (134). The impeller housing has a hub (130) that defines an interior volume (128) and an impeller bore that provides access to the interior volume. The magnet may be sized to be disposed within the interior volume. The impeller cap may be removably coupled to the hollow impeller housing proximate to the impeller bore. The impeller retainer may be removably coupled to the magnet and sized to be disposed within the interior volume. The plurality of impeller blades may project from the hub. Optionally, fins (140) may be disposed on each of the plurality of impeller blades.