B01F23/511

METHOD AND INSTALLATION FOR HOMOGENIZING A SHEAR THINNING FLUID CONTAINED IN A CYLINDRICAL TANK

The present invention is related to an installation and to a method for recirculating and mixing a fluid which is preferably a shear-thinning fluid. The installation comprises a tank, a pump, a piping assembly connected to the pump and comprising an injection piping for injecting said fluid into the tank and a return piping coupled to the injection piping for pumping the said fluid from the tank to the injection piping, wherein the piping assembly and the tank form a flow recirculation path in which fluid is homogenized by recirculation of the fluid upon action of the said pump, the injection piping being designed such as to reinject the fluid in at least two peripheral bottom locations with an horizontal and/or inclined orientation such as to create a swirl movement in the tank and to reinject simultaneously said fluid upwardly through a central location in a zone comprised between the central axis of the tank and the half radius of the tank such as to create a jet of fluid having a main vertical component.

Method and Device for Mixing Bone Cement with Depressurization
20220296290 · 2022-09-22 ·

The invention relates to a method for producing a bone cement with a device comprising a cartridge (1) having a cylindrical interior (2), cement powder (6), and monomer liquid (7) in a monomer liquid container (8), a cartridge head (3) having a discharge opening (9), a closure (10) in the discharge opening (9), which closure is permeable to gases and impermeable to powder particles, a drive piston (5), and a central piston (4), wherein the central piston (4) is permeable to gases and the monomer liquid (7) and impermeable to the powder particles of the cement powder (6) and is arranged between the drive piston (5) and the cartridge head (3), wherein the central piston (4) separates the interior (2) into a first cavity (12) and a second cavity (14), the method comprising the following steps:

A) moving the drive piston (5) toward the cartridge head (3),
B) opening the monomer liquid container (8) via the movement of the drive piston (5) and releasing the monomer liquid (7) in the second cavity (14),
C) expelling residual gases into the surroundings of the device by means of the movement of the drive piston (5),
D) injecting the monomer liquid (7) through the central piston (4) into the cement powder (6),
E) displacing gases between the powder particles with the inflowing monomer liquid (7),
F) wetting the powder particles of the cement powder (6), and
G) depressurizing the second cavity (14), wherein the depressurization takes place by partially removing the contained monomer liquid (7).

The invention also relates to such a device for mixing a bone cement, with a depressurization device (16).

AGITATION DEVICE AND AGITATION METHOD
20220241742 · 2022-08-04 ·

An agitation device includes a holder that holds a cartridge containing a liquid on a placement surface angled with respect to a horizontal plane; and a rotator that rotates the holder to agitate the liquid.

Progressive hydration system

Systems and methods describe continuously and progressively hydrating material, such as food material for meat analogue products. First, material is provided to be conveyed through a material passage between an exterior tube and a rotating inner shaft, with the rotating inner shaft including one or more agitation and/or progression features. The progression features could be, e.g., a series of imbricated protruding filled paddles arranged in a helical pattern, while the agitation features could take the form of, e.g., unfilled hoops, hooks, or paddles. Concurrent to conveying and hydrating the material through the material passage, a number of lumps, clumps, and/or unhydrated pieces of the material are broken up via one or more agitation features configured to produce uniform hydration and consistent dispersal of the material. Also concurrently or subsequently, water is continuously and/or progressively provided to the material to produce hydrated material particles.

Continuous Production Device and Method for Silane-Modified Sealing Material

A continuous production device and method for a silane-modified sealing material are provided. The device includes a twin screw extruder set, a cooling unit, and a static mixing unit; where the twin screw extruder set includes at least two twin screw extruders in series, each of which is provided with at least two inlets and at least one vacuum port, the cooling unit is disposed between last two stages of the twin screw extruders, and an outlet of a last-stage twin screw extruder is connected to the static mixing unit. Through the arrangement of various units of the device and their positional relations, components can be mixed in sequence or added in stages, so as to adapt to the characteristics of each component; a heat stabilizer and a polymer are added together as raw materials, which can increase the temperature for dehydration and avoid thermal decomposition of the polymer, and they cooperate with a dehydrant to make water in the system easier to remove; and the device has high operation flexibility and can adapt to the requirement of variability of a formulation of the silane-modified sealing material.

Method for producing sealant

A method for producing a sealant includes a weighing and mixing step, a kneading step, a stirring and defoaming step, and a filling step. In the weighing and mixing step, a main component and a curing agent are weighed and mixed together. In the kneading step, the mixture mixed in the weighing and mixing step is kneaded. In the stirring and defoaming step, the kneaded product kneaded in the kneading step is stirred and defoamed. In the filling step, the kneaded product defoamed in the stirring and defoaming step is filled into a container. In the stirring and defoaming step, the kneaded product is stirred under a condition wherein a stirring rotational speed at which the kneaded product is stirred and a stirring time for which the kneaded product is stirred are within a range from an arithmetic product lower limit value to an arithmetic product upper limit value.

APPARATUS AND PROCESS FOR CONTINUOUS ADSORPTION
20210291126 · 2021-09-23 ·

The invention relates to an apparatus for the continuous production of a particulate adsorption product, the apparatus comprising: a mixing drum having an elongated cavity for receiving a particulate adsorbent material, an adsorbent inlet and a product outlet, wherein the mixing drum is arranged such that the cavity is inclined in flow direction of the particulate material, and wherein the cavity comprises an initial transport zone adjacent to the inlet and a mixing zone following the initial transport zone; a rotating member extending through the cavity in a longitudinal direction, wherein the rotating member comprises a helical conveying blade at longitudinal positions corresponding to the initial transport zone and mixing instruments at longitudinal positions corresponding to the mixing zone; and one or more injection nozzles for injecting a liquid adsorbate to the mixing zone. The invention further relates to a process for the continuous production of a particulate adsorption product using such apparatus.

Precise modifying method for fine particle dispersion liquid
11111145 · 2021-09-07 · ·

A method for modifying a fine particle dispersion liquid with which dispersibility and dispersion stability can be improved includes performing filtration to remove impurities in a dispersion liquid using a dispersion liquid modifying device provided with a removal unit that uses a filtration membrane. The quantity of impurities is reduced from a first region until said quantity reaches a second pH-dependent region. In the second pH-dependent region, the dispersibility of the fine particles in the dispersion liquid is in a range in which the dispersibility depends more on a change in dispersion liquid pH than on a change in the quantity of impurities in the dispersion liquid. With the quantity of impurities reduced to the second pH-dependent region, the dispersibility of the fine particles is controlled by adjusting the pH of the fine particle dispersion liquid.

Device and method for granulating a powder or a powder mixture

Described is a device for granulating a powder to be granulated or a powder mixture to be granulated. The device includes at least one working vessel in which the powder to be granulated or the powder mixture to be granulated is provided, at least one mixer for mixing the powder to be granulated or the powder mixture to be granulated, at least one dosing device for granulating liquid, and at least one drive unit that includes a rotational speed range for providing a drive torque required for the mixer. The drive unit provides a uniformly high drive torque over its entire rotational speed range. Also described is a method for granulating a powder to be granulated or a powder mixture to be granulated using such a device.

PROCESSES FOR MANUFACTURING A MATERIAL
20210221694 · 2021-07-22 ·

Disclosed herein is a process for manufacturing a material, in accordance with some embodiments. Accordingly, the material facilitates a reduction of pollutants from air. Further, the process may include heating natural zeolite to at least one hundred degree celsius for a predetermined duration of time. Further, the heating removes at least one impurity from the natural zeolite. Further, the process may include producing purified natural zeolite based on the heating. Further, the process may include grinding the purified natural zeolite into particles based on the producing. Further, the process may include incorporating the particles of the purified natural zeolite into a grind paste based on the grinding. Further, the incorporating produces the material.