Mixers with rotary stirring devices in fixed receptacles

BPERFORMING OPERATIONS TRANSPORTING B01Physical, chemical processing B01FMIXING

B01F7/00Mixers with rotary stirring devices in fixed receptacles

B01F7/00008Stirrers B01F7/00016Nature of the rotating mixing element B01F7/00025Stirrers with replaceable wearing elements; Wearing elements therefor B01F7/00033Characterised by the materials the stirrers are made of B01F7/00041with particular surface characteristics B01F7/0005Deformable stirrers B01F7/00058with mechanical means to alter the position of the stirring elements B01F7/00066deformable by centrifugal force B01F7/00075the position of the stirring elements depending on the direction of rotation of the stirrer B01F7/00083Stirrers made by deforming a plate B01F7/00091Mounting of the stirring elements on the stirrer shaft B01F7/001Fixing of the stirrer to the shaft B01F7/00108Disposition with respect to the rotating axis B01F7/00116parallel with respect to the rotating axis B01F7/00125perpendicular with respect to the rotating axis B01F7/00133oblique with respect to the rotating axis B01F7/00141directly mounted on the rotating axis B01F7/0015on the free end of the rotating axis B01F7/00158having stirring elements connected to the stirrer shaft each by a single radial rod, other than open frameworks B01F7/00166of the anchor type B01F7/00175having stirring elements connected to the stirrer shaft each by two or more radial rods B01F7/00183with stirring elements moving with respect to the stirrer shaft B01F7/00191having two or more mixing elements being concentrically mounted on the same shaft B01F7/002Mounting of the rotating mixing element in respect to the receptacle B01F7/00208having elements for co operating with receptacle wall or bottom B01F7/00216occupying substantially the whole interior space of the receptacle B01F7/00225eccentrically arranged B01F7/00233Configuration of the rotating mixing element B01F7/00241Centrifugal stirrers, i.e. having a radial outflow or turbine-type B01F7/0025with arms, paddles, vanes or blades B01F7/00258pin shaped B01F7/00266anchor shaped B01F7/00275sickle shaped B01F7/00283rake shaped or grid shaped B01F7/00291having vanes or blades B01F7/003having holes in the surface B01F7/00308paddle wheels B01F7/00316the blades extending oblique to the stirrer axis B01F7/00325the stirrer being a bent rod supported at one end only B01F7/00333spoon-shaped B01F7/00341Propellers, i.e. stirrers having an axial outflow B01F7/0035having holes in the surface B01F7/00358with guiding tubes or tubular segments fixed to and surrounding the tips of the propeller blades B01F7/00366the impeller being of airfoil, aerofoil type B01F7/00375the impeller being of hydrofoil type B01F7/00383the impeller being of Rushton type B01F7/00391Helices B01F7/004having holes in the surface B01F7/00408of the corkscrew type composed of a helically shaped band B01F7/00416screws; Worms; Stirrers composed of screw sections B01F7/00425blade shaped B01F7/00433ribbon shaped B01F7/00441forming open frameworks or cages B01F7/0045with discs or disc like elements essentially perpendicular to the stirrer shaft axis B01F7/00458having holes in the surface B01F7/00466with separate elements other than discs fixed on the discs B01F7/00475the discs being made by deforming flat discs B01F7/00483cup shaped B01F7/00491with interconnected discs, forming open frameworks or cages B01F7/005shaped as cylinders, balls or rollers B01F7/00508having holes in the surface B01F7/00516Balls B01F7/00525Rollers B01F7/00533comprising paddles fixed thereon B01F7/00541with cones B01F7/0055having holes in the surface B01F7/00558provided with brushes, sieves, grids, chains or springs B01F7/00566with rigid wires or flexible rods B01F7/00575with a bent rod of non helical configuration supported at one end B01F7/00583Openwork frame or cage stirrers not provided for elsewhere B01F7/00591provided with tubes for guiding the material B01F7/006having additional elements on the stirrer, other than for mixing B01F7/00608having elements for disintegrating B01F7/00616having elements for cutting B01F7/00625Multistage systems B01F7/00633provided with a plurality of similar elements B01F7/00641provided with a plurality of dissimilar elements B01F7/0065comprising helical elements and paddles B01F7/00658Configuration of the rotating axis B01F7/00666Nature of the axis B01F7/00675The axis being a flexible shaft B01F7/00683Construction of the axis B01F7/00691The axis being composed of interconnected parts B01F7/007The axis being a hollow cylinder B01F7/00708The axis comprising stirring means and feeding or discharging means fixed on the same axis B01F7/00716the axis being adjustable in length B01F7/00725Connection of the rotating axis with the drive B01F7/00733Submerged mixers, i.e. with a submerged stirrer and drive unit B01F7/00741Vertical beam constructions therefor B01F7/0075the mixer being composed of a stator-rotor system with movable slits between surfaces facing each other B01F7/00758the stator rotor system being formed by substantial flat surfaces B01F7/00766provided with intermeshing elements B01F7/00775provided with ribs, ridges or grooves on one surface B01F7/00783the surfaces having a conical shape B01F7/00791the relative position of the stator and the rotor, gap in between or gap with the walls being adjustable B01F7/008the stator rotor system being formed by conical or cylindrical surfaces B01F7/00808provided with intermeshing elements B01F7/00816provided with ribs, ridges or grooves on one surface B01F7/00825the surfaces having a conical shape B01F7/00833the relative position of the stator and the rotor, gap in between or gap with the walls being adjustable B01F7/00841the mixer being composed of a stator-rotor system being formed by bearing elements B01F7/0085the stirring devices being composed of two independently driven coaxial rotors facing each other B01F7/00858with rotating surfaces facing each other B01F7/00866provided with intermeshing elements B01F7/00875provided with ribs, ridges or grooves on one surface B01F7/00883with rotating surfaces next to one another B01F7/00891provided with intermeshing elements B01F7/009provided with ribs, ridges or grooves on one surface B01F7/00908Pipe mixers, i.e. mixing material flowing continuously through pipes B01F7/00916the stirrer being driven by the moving material B01F7/00925characterised by the orientation or disposition of the rotor axis B01F7/00933Variable B01F7/00941the orientation of the rotating shaft being adjustable in the interior of the receptacle B01F7/0095the position of the rotating shaft being adjustable in the interior of the receptacle B01F7/00958with a plurality of rotation axis B01F7/00966having different inclinations B01F7/00975parallel B01F7/00983perpendicular B01F7/00991planetary B01F7/02with stirrers rotating about a horizontal or inclined axis B01F7/021rotating about an inclined axis B01F7/022comprising liquid feeding B01F7/024the liquid being fed through the shaft of the stirrer B01F7/025the receptacle being divided into compartments B01F7/027the receptacles being tiltable B01F7/028provided with buckets B01F7/04with paddles, blades or arms B01F7/041comprising two or more shafts B01F7/042with intermeshing paddles B01F7/043with stirrers rotating at different speeds, or rotating in opposite directions about the same axis B01F7/045with stirrers facing each other B01F7/046characterised by the shape of the stirrer B01F7/047with all the shafts in the same receptacle B01F7/048the paddles co-operating B01F7/06with propellers B01F7/063co-operating with stationary guiding means B01F7/066the guiding means being tubes surrounding the propellers B01F7/08with helices or sections of helices B01F7/081with at least two helices in the same receptacle B01F7/082the helices being closely surrounded by a casing B01F7/083the stirrers being composed of helices and paddles on the same shaft B01F7/085the helices intermeshing to knead the mixture B01F7/086having a single helice closely surrounded by a casing B01F7/087with two or more helices in respective separate casings B01F7/088the stirrers being composed of two helices with opposite pitch on the same shaft; the stirrers being composed of two helices on the same axis, driven in opposite directions or at different speeds B01F7/10with rotary discs B01F7/105with two or more parallel shafts provided with perpendicularly mounted discs B01F7/12with rotary cylinders B01F7/14with stirrers having planetary motion B01F7/145the stirrers being cylinders, balls or gears B01F7/16with stirrers rotating about a substantially vertical axis B01F7/1605with relative displacement B01F7/161with vertical displacement of the stirrer B01F7/1615with the stirrer-head pivoting about a horizontal axis to bring the stirrer in and out of operative position B01F7/162the stirrers being driven from the bottom of the receptacle B01F7/1625the stirrers having a central axial inflow and a substantially radial outflow B01F7/163with the inflow from one side only B01F7/1635the stirrers co-operating with stationary guiding elements B01F7/164the stirrers co-operating with surrounding stators, or with intermeshing stators B01F7/1645the stirrers co-operating with stationary guiding elements B01F7/165Pan-type mixers B01F7/1655the stirrers being additionally moved radially, or oscillating about an axis perpendicular to the stirrer axis B01F7/166with stirrers rotating at different speeds or in opposite direction about the same axis B01F7/1665having two or more stirrers on separate shafts B01F7/167the receptacle being subdivided in adjacent compartments B01F7/1675co-operating with deflectors or baffles fixed to the receptacle B01F7/168the baffles being of cylindrical shape B01F7/1685the baffles being adjustable or movable B01F7/169the receptacle being divided into superimposed compartments B01F7/1695with an independent receptacle-stirrer unit, the stirrer being adapted to be coupled to a drive mechanism B01F7/18with paddles or arms B01F7/183the paddles co-operating B01F7/186the elements being vertically arranged B01F7/20with fixed axis B01F7/22with propellers B01F7/225forcing the material through orifices or slits B01F7/24with helices or screws B01F7/241with at least two helices B01F7/242the helices being mounted centrally in the receptacle for mixing in batches B01F7/243the helices being surrounded by a guiding tube B01F7/244combined with means for uniting flows of material taken from different parts of the receptacle B01F7/245with conical helices B01F7/246the helices having a diameter only slightly less than the diameter of the receptacle B01F7/247with additional mixing elements other than helices; having inner and outer helices; with helices surrounding a guiding tube B01F7/248the material flowing continuously through the receptacle B01F7/26with rotary discs B01F7/28with rotary cylinders B01F7/285with hollow cylinders or cones B01F7/30with stirrers having planetary motion B01F7/302using only helical stirrers B01F7/305with at least one stirrer mounted on the sun axis B01F7/307the stirrers being cylinders with their circumference in contact with the bottom of the receptacle and rotating about an axis at an angle to the sun axis B01F7/32with openwork frames or cages