EP3664924A1 - Dispositif de mélange, procédé de mélange et procédé de nettoyage d'un dispositif de mélange - Google Patents

Dispositif de mélange, procédé de mélange et procédé de nettoyage d'un dispositif de mélange

Info

Publication number
EP3664924A1
EP3664924A1 EP18731045.3A EP18731045A EP3664924A1 EP 3664924 A1 EP3664924 A1 EP 3664924A1 EP 18731045 A EP18731045 A EP 18731045A EP 3664924 A1 EP3664924 A1 EP 3664924A1
Authority
EP
European Patent Office
Prior art keywords
mixing
mixing device
housing wall
slope
stirring blades
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18731045.3A
Other languages
German (de)
English (en)
Other versions
EP3664924B1 (fr
Inventor
Uwe Schmidt
Christian Karl Paasche
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huettlin GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3664924A1 publication Critical patent/EP3664924A1/fr
Application granted granted Critical
Publication of EP3664924B1 publication Critical patent/EP3664924B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/60—Mixing solids with solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0726—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis having stirring elements connected to the stirrer shaft each by a single radial rod, other than open frameworks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/09—Stirrers characterised by the mounting of the stirrers with respect to the receptacle
    • B01F27/091—Stirrers characterised by the mounting of the stirrers with respect to the receptacle with elements co-operating with receptacle wall or bottom, e.g. for scraping the receptacle wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B01F27/1123—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades sickle-shaped, i.e. curved in at least one direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/86—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis co-operating with deflectors or baffles fixed to the receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/10—Maintenance of mixers
    • B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
    • B01F35/1452—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids
    • B01F35/1453—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids by means of jets of fluid, e.g. air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/75—Discharge mechanisms
    • B01F35/751—Discharging by opening a gate, e.g. using discharge paddles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/75—Discharge mechanisms
    • B01F35/752—Discharge mechanisms with arrangements for converting the mechanism from mixing to discharging, e.g. by either guiding a mixture back into a receptacle or discharging it
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/75—Discharge mechanisms
    • B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
    • B01F35/75415—Discharge mechanisms characterised by the means for discharging the components from the mixer using gravity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/75—Discharge mechanisms
    • B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
    • B01F35/7543—Discharge mechanisms characterised by the means for discharging the components from the mixer using pneumatic pressure, overpressure or gas pressure in a closed receptacle or circuit system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
    • B08B1/165—Scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
    • B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
    • B08B9/0813—Cleaning containers having tubular shape, e.g. casks, barrels, drums by the force of jets or sprays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/22—Mixing of ingredients for pharmaceutical or medical compositions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2215/00—Auxiliary or complementary information in relation with mixing
    • B01F2215/04—Technical information in relation with mixing
    • B01F2215/0413—Numerical information
    • B01F2215/0418—Geometrical information
    • B01F2215/0422—Numerical values of angles

Definitions

  • the present invention relates to a mixing device, in particular for mixing solids. Furthermore, the invention relates to a method for mixing solids by means of a mixing device. Moreover, the invention relates to a method for cleaning a mixing device.
  • the invention is based on a mixing device of the type of
  • the invention proceeds from a method for mixing solids according to the preamble of independent claim 9.
  • the invention proceeds from a method for cleaning a mixing device according to the preamble of independent claim 10.
  • the mixing device is used in particular for mixing solids in a mixing container, with a stirrer having at least two helically shaped stirring blades, which are connected to a motor-driven shaft, wherein the stirring blades have a first portion, a second portion and a third portion.
  • Each of the sections has a constant slope having a slope or a slope deviating from the constant slope having a curvature, at least one of the constant slopes having a slope different from the at least one other constant slope, or one of the diverging slopes being one of the at least one other
  • deviating slope has different curvature.
  • the second section is arranged between the first and third sections.
  • the first section has a constant pitch
  • the second section has a constant pitch
  • Section a slope deviating from the constant slope and the third section again a constant slope.
  • the mixing device By providing the mixing device, dead spaces during mixing of the solids in the mixing container can be reduced in a simple manner. In other words, the mixing device enables virtually dead space-free mixing.
  • the mixing device can also be used for granulating and / or drying solids.
  • the mixing device can be understood as a stirring device or mixer.
  • the solids Preferably, the solids
  • stirring blades can be understood, which are helical.
  • the at least one constant slope has a greater or lesser slope than the other constant slope.
  • the at least one section is steeper or flatter with respect to the other section.
  • the at least one deviating pitch has a greater or lesser curvature than the other
  • the at least one section is formed stronger or less curved than the other section.
  • a stripper may be disposed at the end of the first section of the stirring blade and a bottom scraper may be disposed at the end of the third section.
  • the mixing container has a cylindrically extending
  • a conical housing wall and a valve wherein the conical housing wall between the cylindrically extending housing wall and the valve is arranged.
  • a container wall Under a housing wall, a container wall can be understood.
  • the valve is a dead space-poor valve or preferably a dead space-free valve.
  • the mixing container has a process space. In the process room, mixing of the solids can take place.
  • the stirring member in addition to the motor-driven shaft and the helically shaped stirring blades on a cross member.
  • the cross member connects the stirring blades with the shaft.
  • the stirring blades have the same shape.
  • the conical housing wall closes to a
  • the horizontal is parallel to the inside / underside of the lid and / or the outside / top of the lid and / or to
  • the sections of the stirring blades are arranged parallel to the conically extending housing wall, wherein the stirring blades in all
  • Sections are the same width. As a result, dead spaces in the mixing container can be reduced.
  • a distance between the sections of the respective stirring blade and the conical housing wall is 1 to 10 mm, preferably 5 mm.
  • a width of the stirring blades is about 5% of the
  • the scrapers are arranged parallel to the cylindrically extending housing wall and / or the Bodenippor have a shape that is adapted to the shape of the valve.
  • dead spaces can be additionally reduced by designing the wipers and Bodenippor.
  • the scrapers are parallel to the cylindrical housing wall. Preferably, a distance between the scraper of the respective
  • the scrapers are formed on an axially extending longitudinal side at an angle ⁇ cut, wherein the angle ⁇ includes a range of 20 ° to 60 °, in particular of 40 °. Particularly preferred is a maximum width of the scraper on the
  • the mixing device has a lid placed on the mixing container, wherein at least one baffle projecting into the mixing container is arranged on the lid and wherein the baffle has a holder and a guide plate.
  • the baffle is inclined to the horizontal at an angle ⁇ in a range of 15 ° to 55 °, in particular of 35 °.
  • the guide plate is inclined to a line extending through the axis of rotation of the shaft at an angle ⁇ in a range of 15 ° to 45 °, in particular of 30 °.
  • the holder has a sensor.
  • NIR near-infrared
  • UV spectrometer a quality control (temperature, content, moisture, particle size, lump formation) in the mixing device during and / or after the respective mixing process can be accomplished in a simple manner.
  • space can be saved. Based on the data from the temperature measurement, information on the flow behavior and the shear behavior of the solids can be determined.
  • Mixing device extendable cleaning nozzle arranged. In this way, an introduction of cleaning liquid to within the mixing device in a simple manner executable.
  • the mixing device has at least one filter between an inlet opening and a metering device. This allows a venting and / or venting the process space in a simple manner.
  • the mixing device has a sight glass in the lid for
  • the mixing device comprises a lifting / pivoting device which is connected to the lid.
  • a lifting / pivoting device By means of the lifting / swiveling device, an opening and closing of the mixing container can be carried out.
  • the stirring member further rotates at a reduced rotational speed and wherein the conveying takes place pneumatically and / or gravimetrically.
  • the blending process can proceed as described below:
  • the solids preferably fillers (excipients) and drugs (bswp.
  • highly potent API are in powder form.
  • the powders are transported pneumatically, preferably gravimetrically, from the dosers to at least one inlet port for API and excipient.
  • Housing wall of the mixing container arranged.
  • composition of the mixture can be done with high precision, as the
  • Mixing device as long as can operate at a low stirrer speed in the receive mode, which is required for a high-precision metering.
  • the stirrer can already rotate in the mixing direction.
  • the mixing direction is that in which the powder at the top of the stirring blades must slide upwards, since the stirring element moves this upper side against the powder bed. So that the mixing time is very short, and small amounts of highly potent API Even during the dosing can be well distributed, only fillers in the mixing vessel of the mixing device can be dosed in a first phase of dosing in the range of greater than 0 to 30 seconds, while in this case the agitator at a slow speed levels the bed and already premixed. This will prevent a part of the already small amount of
  • a second phase can then additionally start the dosage of the drugs, in which case the stirring member rotates in a reasonable predetermined speed and ideally the inlet opening for the drugs is located above the powder bed of fillers.
  • the agitator can rotate at the required mixing speed, but in a shorter time period, since a large part of the substances was already mixed during dosing.
  • the agitator can reduce its speed and the valve can be opened at the outlet opening.
  • the powder mixture is conveyed gravimetrically or pneumatically, preferably a combination of both mechanisms, out of the mixer, the stirring element continuing to rotate in the mixing direction.
  • the stirring element in mixing speed or another, reasonably predetermined speed rotate.
  • Inlet opening and dosing filter can add air to the
  • Transport support can be entered.
  • air can also be added to the transport support via a specially provided opening if the pressure loss across the filter would be too high.
  • Inlet openings uncontrolled entry of materials from the dispensers to within the mixing device, can be caused by excessive suction in the pneumatic
  • dosing of different solids occurs over a period of 1 to 8 minutes through at least one inlet port.
  • the dosing can be done by means of the powder from dosing devices connected to the inlet opening or similar components take place.
  • the powder mixture is homogenized from the solids during dosing by slow mixing. This can avoid a bulk cone, which could block the inlet opening.
  • the various solids are mixed within 0.5 to 5 minutes, by forming vertical, ellipsoidal
  • the powder mixture can flow up the housing wall and move down again in the vicinity of the shaft.
  • the stirrer is shaped so that it moves as gently as possible the powder mixture, without entering more shear and energy than necessary in the powder mixture.
  • the inventive method for cleaning a mixing device with at least one arranged on a lid of the mixing device and extendable within the mixing device cleaning nozzle has the
  • the cleaning process can proceed as described below:
  • the mixer can be emptied almost completely before cleaning so as not to waste any valuable drug or API.
  • a cleaning liquid preferably water or water with
  • Cleaning additives are fed into the mixing container of the mixing device.
  • the stirrer rotates at any speed and Order in and against the mixing direction.
  • the valve at the outlet opening can initially remain closed until the mixing container is filled up to 50-80%.
  • the rotation creates a stronger cleaning effect on the housing wall.
  • the sudden reversal of the direction of rotation creates turbulence and cleans the agitator and the baffle.
  • the rotary motion creates a trumpet. This allows the transport of cleaning fluid to the lid and cleans it.
  • the valve can now be opened to any degree, whereby the cleaning liquid provided with powder residues can leave the mixing device.
  • drying air may instead be supplied to the mixing device at a dedicated connection in the cover or at the connection between inlet port and metering device.
  • the valve at the outlet opening of the mixing device is opened to a desired degree.
  • the valve of the mixing device can be closed, remain open and ideally opened and closed as often as required to prevent overfilling of the mixing container, on the one hand, and on the other hand to clean the valve in a particularly advantageous manner. Furthermore, can advantageously rotate during the cleaning, the stirring member to pass through in the
  • Cleaning fluid registered impulses to increase the cleaning effect It may be particularly advantageous if the stirring member also moves in the opposite direction of rotation.
  • an air stream of dry air preferably additionally heated air, can be passed into the process space for drying after cleaning.
  • the air required for drying is introduced at the connection of the inlet opening and metering device as needed.
  • Figure 2 is a plan view of the one invention
  • FIG. 3 is a schematic section through the inventive
  • FIG. 1 shows a schematic section through an inventive device
  • Mixing device 1 and Figure 2 shows a plan view of the mixing device 1 of Figure 1.
  • the mixing device 1 preferably serves to mix solids. Furthermore, the mixing device 1 can also be used for granulating solids.
  • the mixing device 1 has a mixing container 2, a lid 3 placed on the mixing container 2 and an agitator 4.
  • Mixing container 2 has a housing wall 15, 16, which has a cylindrical
  • funnel-shaped housing wall portion 16 has.
  • the ratio of the heights of the upper cylindrical housing wall 15 to the lower conical housing wall 16 is preferably greater than 1: 2 and preferably in the range 1: 3 to 1: 4.
  • a diameter of the cylindrical housing wall 15 is preferably at least a factor of 5, ideally by a factor of 6 to 8 larger than the diameter of the conical housing wall 16 in the outlet region (outlet opening 26).
  • the mixing container 2 has a process chamber 18, which in sheet plane to the side through the housing wall 15, 16, is bounded at the top by a removable cover 3 and down through a dead space 25 valve.
  • the agitator 4 has a motor-driven shaft 5, a cross member 6 and two helically shaped stirring blades 7, 8.
  • the cross member 6 connects the
  • Stirring blades 7, 8 with de. Shaft 5.
  • the stirring blades 7, 8 have the same shape.
  • the stirring blades 7, 8 have a first portion 10, a second portion 11 and a third portion 12.
  • the stirring blades 7, 8 have a constant pitch m1 in the first section 10, a constant pitch m3 in the third section 12 and a pitch deviating from the constant pitches m1, m3 in the second section 1 1 lying therebetween, namely a variable pitch m2.
  • the slope m2 of the second section 11 can follow a mathematical function and has a curvature.
  • the first slope m1 has a greater steepness than the third slope m3. In other words, the first portion 10 is formed steeper or stronger with respect to the third portion 12.
  • the first slope m1 may also have a smaller slope than the third slope m3. In other words, the first portion 10 would then be made shallower and weaker with respect to the third portion 12.
  • the mixing container 2 has the conical housing wall 16.
  • the first section 10 is arranged parallel to the conical housing wall 16.
  • a distance between the first portion 10 of the respective stirring blade 7, 8 and the conical housing wall 16 is preferably 1 to 10 mm, preferably 5 mm.
  • a width of the stirring blades 7, 8 is about 5% of the diameter of the cylindrical
  • the conical housing wall 16 includes a horizontal X an angle ⁇ in a range of 25 ° to 65 °, in particular 45 °.
  • the horizontal X is parallel to the inside / underside, the outside / top of the lid and arranged to the central axis of the cross member 6 of the stirring member 4.
  • a scraper 13 is arranged in each case.
  • a largest width of the wiper 13 is on the side facing away from the direction of rotation D, preferably by a factor of 0.3 to 0.7, preferably 0.5 smaller than the width of the stirring blades 7, 8.
  • At a second end of the stirring blades 7, 8 is one each Bodenippor 14 arranged.
  • the scrapers 13 are formed on an axially extending longitudinal side at an angle ⁇ cut, wherein the angle ⁇ is inclined in a range of 20 ° to 60 °, in particular of 40 °.
  • the mixing container 2 the cylindrically extending housing wall 15.
  • the Bodenippor 14 extend at least partially parallel to the cylindrical housing wall 15. Furthermore, the Bodenschreibr 14 have a shape that is adapted to the geometry of the valve 25 at the outlet opening 26.
  • At least one baffle 20 with a holder 21 and a baffle 22 is arranged on the cover 3.
  • the baffle 20 protrudes into the mixing container 2.
  • the baffle 22 is inclined to the horizontal X at an angle ⁇ in a range of 15 ° to 55 °, in particular of 35 °.
  • the baffle 22 is inclined to a through the axis of rotation R of the shaft 4 extending line 19 at an angle ⁇ in a range of 15 ° to 45 °, in particular of 30 °.
  • the mixing device 1 has a first inlet opening 23, a second inlet opening 24 and an outlet opening 26.
  • Inlet opening 24 are arranged in the region of the cylindrical housing 15 on the mixing container 2. Through the first inlet port 23 fillers A in the
  • Drugs B are conveyed into the mixing container 2.
  • the outlet opening 26 is arranged at the lower end of the low-dead-space valve 25 of the mixing device 1.
  • the dead space valve 25 may according to the principle of a ball valve, or a
  • Segmented ball valve be constructed.
  • the valve 25 preferably has at least one opening 29 for the entry of transport air.
  • the mixing device 1 has a lifting / pivoting device 17, which is connected to the lid 3. By means of the lifting / swiveling device 17, opening and closing of the mixing container 2 can be carried out.
  • FIG. 3 shows the mixing device from FIG. 1 with further components.
  • first inlet opening 23 and the second inlet opening 24 are provided on the lid 3.
  • the mixing device 1 can also each have an inlet opening 27 for granules or pellets. Furthermore, a double-sided permeable filter 30 in the lid 17 of the mixing device 1 or at the connection between
  • Inlet opening 27 and metering device (not shown) provided to escape displaced air, and can suck in sucked air into the mixing device 1.
  • the mixing device 1 On the holder 21, a UV or NIR sensor 28 is arranged. Furthermore, the mixing device 1 has a sight glass 31 in the lid 3 for inspections or measurements of quality-relevant measured variables (for example homogeneity, moisture, particle size, temperature). On the cover 3 two extendable within the mixing device 1 cleaning nozzles 32 for supplying cleaning liquid in the mixing container 2 are arranged.
  • the mixing device 1 is closed at its outlet opening 26 through the valve 25, which is adapted to reduce dead spaces in the process chamber 18, or which is shaped so that the stirrer 4 with its Bodenipporn 14 everywhere can produce its mixing effect.
  • the valve 25 which is adapted to reduce dead spaces in the process chamber 18, or which is shaped so that the stirrer 4 with its Bodenipporn 14 everywhere can produce its mixing effect.
  • an inlet opening 23, 24 or the opening 27 can be used to convey drying air to within the mixing device 1.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Accessories For Mixers (AREA)

Abstract

La présente invention concerne un dispositif de mélange (1) destiné en particulier à mélanger des matières solides dans un récipient de mélange (2) et comprenant un agitateur (4) qui comporte au moins deux pales d'agitation (7, 8) de forme hélicoïdale qui sont reliées à un arbre (5) pouvant être entraîné par moteur. Les pales d'agitation (7, 8) comportent une première partie (10), une deuxième partie (11) et une troisième partie (12). Chacune des parties (10, 11, 12) a un constant (m1, m2, m3) avec une pente ou un pas (m1, m2, m3) différant du pas constant et ayant une courbure, et au moins un des pas constants (m1, m2, m3) a une pente différente de celle de l'au moins un autre pas constant (m1, m2, m3) ou un des pas différents (m1, m2, m3) a une courbure différente de celle de l'au moins un autre pas différent (m1, m2, m3).
EP18731045.3A 2017-08-07 2018-06-11 Dispositif de mélange, procédé de mélange et procédé de nettoyage d'un dispositif de mélange Active EP3664924B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017213641.3A DE102017213641A1 (de) 2017-08-07 2017-08-07 Mischvorrichtung, Verfahren zum Mischen und Verfahren zum Reinigen einer Mischvorrichtung
PCT/EP2018/065260 WO2019029866A1 (fr) 2017-08-07 2018-06-11 Dispositif de mélange, procédé de mélange et procédé de nettoyage d'un dispositif de mélange

Publications (2)

Publication Number Publication Date
EP3664924A1 true EP3664924A1 (fr) 2020-06-17
EP3664924B1 EP3664924B1 (fr) 2021-08-18

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WO2016199086A1 (fr) * 2015-06-12 2016-12-15 De' Longhi Appliances S.R.L. Con Unico Socio Appareil doté d'un dispositif de mélange destiné à la cuisson d'aliments
CN110026110A (zh) * 2019-05-10 2019-07-19 平顶山学院 一种西药粉剂药物合成反应用搅拌装置
US11524976B2 (en) * 2019-08-30 2022-12-13 C S Bio Co. Oligonucleotide synthesizer
WO2021055452A1 (fr) 2019-09-18 2021-03-25 Plastrac Inc. Système de mesure granulaire
WO2021138422A1 (fr) * 2020-01-02 2021-07-08 Crown Iron Works Company Injecteur pour injecter un fluide dans des milieux poreux
CN112403970A (zh) * 2020-12-01 2021-02-26 河南省甘霖药业有限公司 一种中药饮片生产用清洗装置
CN113279085B (zh) * 2021-03-17 2023-02-24 中国纺织科学研究院有限公司 原液着色全立构复合聚乳酸纤维、制备方法，结晶行为测试方法、装置、存储介质及设备
CN114769244B (zh) * 2022-04-13 2023-07-18 安徽环嘉天一再生资源有限公司 一种环保型塑料再生用原料初步预处理设备
CN115179449A (zh) * 2022-07-13 2022-10-14 灵氟隆新材料科技江苏有限公司 一种ptfe纤维滤料生产用物料混合装置
CN115990943B (zh) * 2023-01-06 2023-10-03 江苏长城窑炉工程有限公司 一种高效的耐酸胶泥生产用混料装置及其混料方法
CN116818660B (zh) * 2023-04-19 2025-08-29 安洲源(上海)环境科技有限公司 一种新型水体藻类分析仪
DE102023112375A1 (de) * 2023-05-10 2024-11-14 Fricke Abfülltechnik GmbH & Co. KG Mischbehälter
CN116408295B (zh) * 2023-06-12 2023-08-18 山西睿钒科技有限公司 一种磷酸钒锂正极材料水洗装置
DE102024128832A1 (de) * 2024-10-07 2026-04-09 Zeppelin Systems Gmbh Mischer zum Verarbeiten von pulver- grieß- und /oder granulatförmigen Stoffen und Flüssigkeiten
CN119838934B (zh) * 2025-03-20 2025-06-13 常州瑞鼎新材料科技有限公司 一种用于钙锌稳定剂生产的预处理设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US879590A (en) * 1907-04-19 1908-02-18 Anton Roth Dough-mixing machine.
FR2123637A5 (fr) * 1971-01-26 1972-09-15 Villard Jean
DE2457001A1 (de) * 1974-12-03 1976-06-10 Hedrich Vakuumanlagen Wilhelm Vorrichtung zum extrem schnellen, kontinuierlich homogenen mischen, intensivem entgasen oder eindicken von aus mehreren komponenten bestehenden, mit oder ohne fuellstoffe legierten kunstharzen oder anderen kunststoffen
DE3026492A1 (de) * 1980-07-12 1982-02-04 Wilhelm Hedrich Vakuumanlagen GmbH und Co KG, 6332 Ehringshausen Vorrichtung zum mischen und entgasen von komponenten von kunstharzen, insbesondere von duroplastischen kunstharzen
DE20307458U1 (de) * 2003-05-13 2003-09-25 Ekato Rühr- und Mischtechnik GmbH, 79650 Schopfheim Vorrichtung zur Behandlung von Feststoffen
DE102015106419A1 (de) * 2015-04-27 2016-10-27 Stefan Steverding Sondermaschinen- und Vorrichtungsbau GmbH Rührwerk und Behälter mit Rührwerk

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WO2019029866A1 (fr) 2019-02-14
ES2899328T3 (es) 2022-03-10
US20200171449A1 (en) 2020-06-04
EP3664924B1 (fr) 2021-08-18
DE102017213641A1 (de) 2019-02-07
CN110997124A (zh) 2020-04-10

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