EP1101525A1 - Mélangeur et réacteur - Google Patents

Mélangeur et réacteur Download PDF

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Publication number
EP1101525A1
EP1101525A1 EP00123793A EP00123793A EP1101525A1 EP 1101525 A1 EP1101525 A1 EP 1101525A1 EP 00123793 A EP00123793 A EP 00123793A EP 00123793 A EP00123793 A EP 00123793A EP 1101525 A1 EP1101525 A1 EP 1101525A1
Authority
EP
European Patent Office
Prior art keywords
segment
shafts
rotating elements
disks
housing
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
EP00123793A
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German (de)
English (en)
Other versions
EP1101525B1 (fr
Inventor
Klaus Brenner
Hans Peters
Rainer Näf
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.)
Buss- Sms Verfahrenstechnik GmbH
Original Assignee
Buss- Sms Verfahrenstechnik 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 Buss- Sms Verfahrenstechnik GmbH filed Critical Buss- Sms Verfahrenstechnik GmbH
Publication of EP1101525A1 publication Critical patent/EP1101525A1/fr
Application granted granted Critical
Publication of EP1101525B1 publication Critical patent/EP1101525B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
    • B01F27/701—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms comprising two or more shafts, e.g. in consecutive mixing chambers
    • B01F27/702—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms comprising two or more shafts, e.g. in consecutive mixing chambers with intermeshing paddles
    • 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
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/72—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices
    • B01F27/721—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices with two or more helices in the same receptacle
    • B01F27/722—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices with two or more helices in the same receptacle the helices closely surrounded by a casing
    • B01F27/7221—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices with two or more helices in the same receptacle the helices closely surrounded by a casing the stirrers being composed of helices and paddles on the same shaft, e.g. helically arranged ovally shaped 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
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F2035/35—Use of other general mechanical engineering elements in mixing devices
    • B01F2035/351—Sealings

Definitions

  • the present invention relates to a reactor according to the preamble of the claim 1.
  • the object of the invention is one from the international patent application PCT / EP87 / 00763 with publication number WO 88/04198 known multi-axis Mixing dryer or reactor to improve, so that the disclosure of mentioned publication basically also applies to the present invention.
  • reactor specified in claim 1 which, for example, as a large-volume, self-cleaning, two-shaft heat exchanger, as Degassing apparatus, as a reactor for continuous operation or as a mixer, etc. Can be used.
  • the housing 1 shown in FIG. 1 of the reactor according to the invention is designed to include two agitator shafts 2 and 3 in a parallel position, which are provided to rotate at the same speed but in the opposite direction.
  • the reactor has a rotor bearing area 4, a final storage area 5 and a central area 6.
  • the area 4 comprises, from the inside out, a bearing housing 41 in which there is a mechanical seal 42, a floating bearing 43 and a sealing head 44. From the area 5, a discharge screw 51, a discharge flange 52 and a discharge pump 53 are particularly emphasized here. From the middle area 6, the housing 61, the so-called right rotor or agitator shaft 62 and the so-called left rotor or agitator shaft 63 can be clearly seen in FIG. 2.
  • Fig. 3 shows a first section of area 4, in which the floating bearings 43 for both shafts are located, and a second section of the same area, where further bearings integrated in the so-called mechanical seal 42 (fixed bearing) are housed for both shafts. 3 also shows an atmospheric sliding surface 45, a sliding surface 46 to the product space and a process space 47.
  • This special mechanical seal 42 serves as a shaft seal, and the shaft is mounted on the drive side, the fixed point bearings being integrated in the special mechanical seal.
  • the so-called worm which comprises two blades or blade blades 54, 55, partly in the form of a screw surface, the extent of which, in plan view, preferably corresponds to that of a circular sector on the order of 180 °.
  • the twin-screw repository Similar to a twin-screw extruder, the twin-screw repository also serves as storage and discharge device.
  • the rotors can be driven with chains or, preferably, with a gear mounted directly on the rotors.
  • the reactor is actually a long, large-volume machine with two long parallel core tubes, of which only part of the central region (FIG. 2) is shown schematically in FIG. 5 .
  • a plurality of cleaning elements 64 are arranged one after the other, that is to say along a helical line, preferably welded. As shown in FIGS. 1 and 5 , these cleaning elements 64 are connected to one another in pairs by male connectors 65.
  • FIGS. 6 shows that not only cleaning elements 64, but also heated segment disks 66 are arranged on the core tubes 62, 63, preferably welded, along a helical line.
  • the cleaning elements 64 are preferably U-shaped.
  • the tubes 62, 63 have two elongate concentric chambers for the circulation of a gaseous or liquid medium for heating and / or cooling the segment disks 66, which are provided with channel-like cavities for this purpose.
  • an interior 68 can be provided in a double-walled housing 67.
  • the segment disks 66 are also called main stirrers and the cleaning elements 64 are cleaning stirrers. As shown in FIGS. 1 and 5 , the segment disks 66 are not connected to one another by knife strips between the cleaning elements, but rather continuously by a knife strip 69.
  • the segment disks 66 generally have a greater width in the direction of rotation than the cleaning elements 64.
  • the segment disks 66 are designed as sheet-like disks which have a radial front edge 641 and a radial rear edge 642 in the direction of rotation, the width of which approximately corresponds to the thickness of the disks.
  • the rear edge 642 as shown in FIG. 8 (J-J), has a preferably central symmetrical taper, namely at an angle between approximately 60 ° and 90 °. This results in noticeable advantages with regard to the flow conditions when the sheet is being replaced, so that the back of the sheet is cleaned well.
  • the edge 641 is formed obliquely according to FIG. 9 (K-K).
  • the embodiment according to FIG. 11 has a seal at the end of the end bearing at the melt inlet 110, that is to say the floating bearing.
  • the snail can be stellited.
  • a pusher flange 119 provided with a shoulder acts as a support for the pusher 117.
  • a throttle gap 120 is present between the housing 112 and the shaft 113, as shown on the right in FIG. 11 .
  • the melt inlet 110 is provided with a connection for the melt, and a connection for the supply of nitrogen is provided in the gas distributor ring 116.
  • the reactor according to FIGS. 1 to 11 works as follows: The medium for heating or cooling fed to the reactor during the working process is passed through the interior 68 ( FIG. 6 ) in the double-walled housing 67 and the long interior of the double-walled stirrer shafts 62, 63.
  • An embodiment of the invention, which offers further possibilities for heating the material to be processed, is also shown in FIG. 6.
  • the reactor is provided with additional thermal exchange surfaces in that the stirring arms are designed as segment disks with channel-like cavities 661, which can be heated and / or cooled from the inside, that is to say via the interior of the double-walled stirring shafts 62, 63.
  • the segmented disks 66 arranged in one plane over the circumference of the one agitator shaft are preferably matched in number to the shear organs or cleaning elements 64 of the other shaft interacting with these segmented disks 66.
  • the outer end face of the segment disks 66 with respect to the inner surface of the housing ( FIG. 6 ) preferably runs concentrically and / or at a small distance from the inner surface of the housing.
  • the cleaning elements 64 have a web in cross section and a segment section at the end of the web, so that there is an end edge running along the inside of the housing, which can optionally be provided with a tip cutting edge behind the knife bar. This can have an advantageous effect when sweeping over the segmented disks 66, since such an end-side cutting sweeps over large areas of the thermal exchange surfaces of the segmented disks 66 when they interlock with the cleaning elements 64.
  • the reactor is therefore preferably provided with such heatable and / or coolable segment disks 66 FIG. 6 , which are arranged on both axially parallel agitator shafts.
  • the agitator shafts are mounted in a housing, which can be supported, for example, on four feet and can carry different sockets on the top and bottom.
  • the nozzle 110 according to FIG. 11 is provided for lubrication / sealing, whereas one or more nozzles can be used for the extraction of vapors or vapors or for cleaning and emptying.
  • the material can be discharged both in the axial direction and on the underside, to which further nozzles can be attached for emptying.
  • Both heatable and / or coolable stirrer shafts are preferably driven by an electric motor or hydraulic motor via a chain and / or toothed wheels, the ratio of the toothed wheels being designed such that both stirrer shafts rotate at the same speed.
  • the heating takes place, for example, via rotary sealing heads 44 arranged at the outer end of the shaft journals ( FIG. 2 ).
  • the cleaning elements 64 and the segment disks 66 are attached to both agitator shafts, two segment disks 66 each being associated as stirring elements and two cleaning elements 64 lying next to one another.
  • the cleaning elements or segment scrapers 64 engage between two adjacent segment disks 66 and sweep the front sides of the scraping arms and the end segment segments over the thermal exchange surfaces of the disks.
  • the segment disks 66 are arranged offset in rows in the longitudinal direction of the agitator shafts, the front outer edge being connected to a continuous knife bar 69, the cutting edge of which is oriented in the direction of rotation.
  • the male connector 69 thus runs along a helix.
  • segment scrapers 64 arranged in the circumferential direction between the segment disks 66 are also angularly offset in a row over the length of the agitator shaft, the knife bars 65 connecting two scraping arms of the segment scrapers also being aligned along a helical line that runs parallel to the continuous knife bar.
  • the segment scrapers 64 are preferably offset by 90 ° to the segment disks the agitator shaft 63 attached, so that they always circulate between the Grip segment discs 66 on the opposite agitator shaft 62, the opposite and is built up mirror-symmetrical and thereby a full coverage of the thermally effective side surfaces of the segment discs 66 by the segment scraper 64 guaranteed.
  • the knife strips 65 grip the stimulating scraper in each case over the continuous knife strips 69 of the segment discs 66 in the space between the assigned segment disks and sweep them over as their tip circles trained segment sections and the front the thermal Exchange surfaces of the segment disks 66 such that the continuous Male connector 69 when engaging in the space between two in the direction of rotation successive segment scrapers along the front to the shaft of the each opposing agitator shaft and thereby the one to be treated Material not only mixed and / or shredded intensively, but also thermally effective areas.
  • the segment scraper 64 can, as already mentioned, on that assigned to the housing wall Segment section have a sharp tip and at the Front side connected in the direction of rotation by the short male connectors 65 his. The cutting edge of this knife bar points in the direction of rotation.
  • the ones with the sharp ones Cutting segment segments of the segment scraper run parallel to the Housing wall. All of these blade-like sharp cutting edges on the scraping tools and the male connectors are used for the automatic cleaning of the thermal exchange surfaces, the circumferential knife bars the inside of the double cylindrical housing 1 scrape off.
  • the segment scrapers are used to keep the opposite ones free thermal exchange surfaces of the segment discs up to the shaft shaft and can also cause a shredding of the material, especially if solidifying and clumping products for material accumulation and bridging tend.
  • scraping edges are preferably designed that the scraping edges are grinded and a clearance angle to the to be cleaned Surfaces. This grinding or turning, what for Segment discs on the circumference, causes that in the gap zone between the Scraping edge and the counter surface remaining product is not rolled.
  • the channel-like means consist of two elongated radial bores, the end regions are connected by another hole.
  • the mechanical seal (42) Bearings for both shafts can be integrated. 9 and 10 are in the On the order of 5 ° to 50 ° or 3 ° to 30 °, preferably 21 ° to 35 ° or 7 ° to 14 °.
  • FIG. 11 shows a partial perspective view of the reactor explained with reference to FIG. 6 , from which the intermeshing of the segment scraper 64 and the segment disks 66 and the knife bars 65, 69 can be seen when the agitator shafts rotate in relation to one another.
  • Fig. 12 shows a variant for screw discharge, which can also serve as a dryer discharge, for example.
  • a final bearing shaft 121 and two discharge clearing elements 122 are visible in particular.
  • FIG. 13 An alternative to the mechanical seal is shown in FIG. 13 .
  • the shafts are supported by a fixed bearing 131, and the shaft seal is realized in the form of a seal packing 132 or by means of gland packing.
  • FIG. 14 shows a melting apparatus with a product discharge 141, an upper product inlet 142 being located at the beginning of the middle area (FIG. 2).
  • the distance between the product inlet 142 and a vapor outlet 143 is smaller than between this last and the other end of the middle region 6.
  • both shafts run with the same Speed, both shafts in the same way as both working shafts with heatable or coolable segment discs as well as cleaning shafts with suitable Cleaning elements for mutual cleaning.
  • a gearbox with two drive shafts with the same center distance as in the Rotors used with heating by a gear shaft with a suitable coupling or from the repository side.
  • the reactor according to the invention can also be used, for example, as a reactor for polymer melts and degassing equipment of elastomers or as a dryer for solids, etc.
  • the reactor according to the invention can be designed such that the Repository has means (54, 55; 122; 113) to act as a discharge device at the same time, and that is lubricated by the product itself.
  • the variant of the rotating element shown in FIG. 16 according to FIG. 7 with disks 74 and 76 (FIG. 16), which are similar to parts 64 and 67 in FIG. 7, is provided with special transport strips 75, 79, 80, which, in contrast to the transport strips 65 (FIG. 7), which are also called knife strips, have an at least approximately radially oriented front surface 81.
  • the transport strips 75 and 79 have a connection area 82 and a work area 83 in which the front surface 81 is located.
  • the cross section of the working area can be designed, for example, polygonal, square, rectangular or trapezoidal and / or have a projection 84 formed radially outward in the leading area, that is to say in the front area in the direction of rotation.
  • the optional trailing transport bar or cleaning bar 80 of the segment disk 76 does not have a pronounced connecting part, although otherwise all of the bars can be constructed in the same way.
  • a further improved cleaning thanks to the trailing strip 80 can also achieve a narrower residence time distribution as an option for certain products.
  • With continuous operation there may be very different residence times for the individual particles in a material flow, some particles can get directly from the inlet to the outlet, while others can remain in the reactor for a very long time. This behavior is characterized by the residence time distribution. In contrast, in batch operation the dwell time is the same for all particles in a batch.
  • the working area 83 is preferably designed such that the front surface 81 in the Cross section each defines a straight line 85 which defines the geometric axis of rotation 86 intersects or lies at a small distance from this axis 86. This makes the centrifugal force better in the radial direction than in the embodiment of FIG. 7, what operation is particularly advantageous with highly viscous products.
  • FIGS. 17, 18 and 19 Some details of the cross sections in the area of the section lines JJ, KK and LL in FIG. 16 are shown in FIGS. 17, 18 and 19 , respectively.
  • the oblique surfaces of the contour gfh in FIG. 17 prove to be advantageous for cleaning the surface emerging from the melt pool by avoiding that material, in particular in the form of black charred points, gets stuck, which in the long run leads to degradation and quality deterioration can lead.
  • the inclined surface ai in FIG. 18 results in a very favorable delivery pulse in the axial direction.
  • the bevel dc in FIG. 19 enables the shear in the gap to be minimized, although this is not of decisive importance for all products. At the same time, however, it leads to product movement and thus to continuous cleaning, which would not be the case with a parallel surface.
  • the transport strips 75, 79, 80 are detachable, preferably screwed, or arranged welded.
  • the height of the end face 81 can be variable by one to achieve different transport performance, the higher the bar, the better the Transport.
  • the material of these transport strips can be that of the reactor correspond or made of a particularly wear-resistant material or so be armored. The material is preferably identical to that of the rotor.
  • the Connection area 82 serves as a carrier for a releasable fastening of the transport bar 83.
  • the projection 84 is precisely defined and fastened to convey and Clean and facilitate the subsequent relief.
  • the height of the face is variable depending on application and product properties; it is also decisive for them Transport performance.
  • the radial gap following the protrusion 84 is preferably double as large as the gap between the projection and the heating jacket. This creates one Relieve the stress on the product by lower shear while the projection promotes and cleans the heating wall.
  • the discharge system according to FIGS. 20 and 21 used to discharge the product from a twin-shaft reactor according to the invention comprises a screw housing 201, which is preferably connected to a twin-shaft reactor / degasser / evaporator at the front or bottom and is provided with two inlet openings 202, 203 and an outlet opening 204 .
  • a synthesis is carried out or the molecular weight is increased, with or without the formation of a by-product to be evaporated and without necessarily having to use a solvent or carrier material.
  • the reaction is carried out in a suitable solvent as a moderator, which is thermally separated off during or after completion of the reaction.
  • the system can also be used, in particular for individual processes, as a reactor and / or degasifier and / or evaporator and / or heat exchanger.
  • This discharge system is equipped with two parallel or opposing ones arranged in parallel Screws 205, 206 and a drive 207, which operate according to the principle of Twin screw extruders work in that the product taken over from the reactor Direction of conveyance 208 or 209 is conveyed to the center of the discharge system.
  • the entering product from the right entry opening is thus to the left and that Incoming product from the left inlet opening to the right to the centrally arranged outlet opening 204 funded.
  • the screw Seen from the drive of the twin screw, the screw pushes on one side the product in the discharge pump 204 and with the same direction of rotation it pulls the product from the other side into the pump 204 the well-known twin screws with or without discharge pump the product in just one Direction promoted.
  • This discharge system proves to be particularly advantageous Large reactor applications.
  • Fig. 21 are a reactor repository 210 and that Snail housing shown laterally, which is provided with channels 211 for a heating medium.
  • So-called thermal oil, pressurized water, molten salt can be used as the heating medium or electrical heating with channels for cold water for temperature control be used.
  • 15 and 20 are designed such that they only have so much pressure build up as it is necessary to have a downstream volumetric pump, For example, to stuff a gear pump that builds up the pressure required for one Filtration, granulation, compounding, etc. is carried out in an extremely gentle manner.
  • the reactor according to the present invention is actually a plant for the mechanical and / or thermal treatment of liquid and / or viscous and / or pasty and / or pourable and / or loose more or less solid products of Plastic, chemical and / or other industries.
  • This plant works as a reactor and / or degasser and / or evaporator and / or heat exchanger.
  • the rotating elements are like this attached that its outer diameter edge is as close as possible to the Inner wall of the housing and on the shaft of the opposite stirring shaft reach up and work together.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Accessories For Mixers (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Mechanical Sealing (AREA)
  • Processing Of Solid Wastes (AREA)
  • Sealing Of Bearings (AREA)
EP00123793A 1999-11-10 2000-11-02 Mélangeur et réacteur Expired - Lifetime EP1101525B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH205999 1999-11-10
CH205999 1999-11-10

Publications (2)

Publication Number Publication Date
EP1101525A1 true EP1101525A1 (fr) 2001-05-23
EP1101525B1 EP1101525B1 (fr) 2003-03-19

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EP00123793A Expired - Lifetime EP1101525B1 (fr) 1999-11-10 2000-11-02 Mélangeur et réacteur

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Country Link
EP (1) EP1101525B1 (fr)
AT (1) ATE234669T1 (fr)
DE (1) DE50001483D1 (fr)
ES (1) ES2189718T3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003035235A1 (fr) * 2001-10-18 2003-05-01 List Ag Melangeur
US7083319B2 (en) 2003-05-15 2006-08-01 Buss Sms Gmbh Verfahrenstechnic Large-volume reactor having a plurality of process spaces
US7964059B2 (en) 2005-12-05 2011-06-21 Buss-Sms-Canzler Gmbh Large volume reactor or thin film evaporator with a premixing unit
EP2796190A1 (fr) * 2013-04-26 2014-10-29 Buss-SMS-Canzler GmbH Système constitué d'un couvercle terminal pour un réacteur/mélangeur et d'un bloc de raccordement à vis d'extraction
DE102014224105A1 (de) * 2014-11-26 2016-06-02 Aktiebolaget Skf Maschinenanordnung
CN114870677A (zh) * 2022-05-30 2022-08-09 扬州金丽生物科技有限公司 一种智能调温的肝素钠提取设备

Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29394C (de) * B. WEIBEZAHL in Magdeburg Mischmaschine für pulverige Materialien
US3346242A (en) * 1965-08-14 1967-10-10 List Heinz Mixing machine
DE2004392A1 (en) * 1970-01-31 1971-08-12 Kupka D Agitator shaft seal changeable withoutdepressurising vessel
US3719350A (en) * 1971-03-22 1973-03-06 Baker Perkins Inc Self-cleaning venting section for continuous mixers
US3734468A (en) * 1970-02-03 1973-05-22 Nat Res Dev Mixing devices
US3873070A (en) * 1972-11-08 1975-03-25 Beken Engineering Limited Continuous mixing machines
GB1394436A (en) * 1972-09-08 1975-05-14 Parker Ltd Frederick Mixing apparatus
DE3234623A1 (de) * 1982-09-18 1984-03-22 Davy McKee AG, 6000 Frankfurt Schneckenfoerderer
DE3404705A1 (de) * 1983-02-22 1984-08-23 Dieter 6570 Kirn Kupka Selbsteinstellende axiale gleitringdichtung
DE3507819A1 (de) * 1985-03-06 1986-09-11 Manfred 4322 Sprockhövel Sade Gleitringdichtung
US4650338A (en) * 1983-12-05 1987-03-17 Dipl. Ing. H. List Industrielle Verfahrenstechnik Mixing and kneading machine
DE3533402A1 (de) * 1985-09-19 1987-03-26 Goetze Ag Gleitringdichtung
DE3741654A1 (de) * 1986-12-11 1988-06-23 Heinz Nienhaus Mehrachsiger mischtrockner beziehungsweise -reaktor
DE3818890A1 (de) * 1988-06-03 1989-12-07 Ekato Ind Anlagen Verwalt Anordnung zur sicheren abdichtung der lagerung einer rotierenden welle mit zugehoerigem antriebselement
EP0426127A1 (fr) * 1989-11-02 1991-05-08 Sumitomo Heavy Industries, Ltd Dispositif du traitement de liquide visqueux
US5055273A (en) * 1987-12-18 1991-10-08 Davy Mckee Aktiengesellschaft Apparatus for processing high viscosity materials
DE4028306A1 (de) * 1990-09-06 1992-03-12 Hoesch & Soehne Eberhard Ruehrwerk mit einrichtung zum dichtungsschnellwechsel
US5100240A (en) * 1990-05-11 1992-03-31 Alterio Joseph C D High-speed continuous mixer for solids and liquids
DE4219289A1 (de) * 1992-06-12 1993-12-16 Braunschweigische Masch Bau Dichtungsanordnung
DE4310188A1 (de) * 1993-03-29 1994-10-06 Bachelier Heinz Juergen Einrichtung zum abgedichteten Befestigen eines Rührwerks an einem Behälter
DE19528018A1 (de) * 1995-07-31 1997-02-06 Eisenmann Kg Maschbau Anlage für die thermische Behandlung von Materialien mit organischen Bestandteilen
DE19536944A1 (de) * 1995-10-04 1997-04-10 List Ag Mischkneter

Patent Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29394C (de) * B. WEIBEZAHL in Magdeburg Mischmaschine für pulverige Materialien
US3346242A (en) * 1965-08-14 1967-10-10 List Heinz Mixing machine
DE2004392A1 (en) * 1970-01-31 1971-08-12 Kupka D Agitator shaft seal changeable withoutdepressurising vessel
US3734468A (en) * 1970-02-03 1973-05-22 Nat Res Dev Mixing devices
US3719350A (en) * 1971-03-22 1973-03-06 Baker Perkins Inc Self-cleaning venting section for continuous mixers
GB1394436A (en) * 1972-09-08 1975-05-14 Parker Ltd Frederick Mixing apparatus
US3873070A (en) * 1972-11-08 1975-03-25 Beken Engineering Limited Continuous mixing machines
DE3234623A1 (de) * 1982-09-18 1984-03-22 Davy McKee AG, 6000 Frankfurt Schneckenfoerderer
DE3404705A1 (de) * 1983-02-22 1984-08-23 Dieter 6570 Kirn Kupka Selbsteinstellende axiale gleitringdichtung
US4650338A (en) * 1983-12-05 1987-03-17 Dipl. Ing. H. List Industrielle Verfahrenstechnik Mixing and kneading machine
DE3507819A1 (de) * 1985-03-06 1986-09-11 Manfred 4322 Sprockhövel Sade Gleitringdichtung
DE3533402A1 (de) * 1985-09-19 1987-03-26 Goetze Ag Gleitringdichtung
DE3741654A1 (de) * 1986-12-11 1988-06-23 Heinz Nienhaus Mehrachsiger mischtrockner beziehungsweise -reaktor
US5055273A (en) * 1987-12-18 1991-10-08 Davy Mckee Aktiengesellschaft Apparatus for processing high viscosity materials
DE3818890A1 (de) * 1988-06-03 1989-12-07 Ekato Ind Anlagen Verwalt Anordnung zur sicheren abdichtung der lagerung einer rotierenden welle mit zugehoerigem antriebselement
EP0426127A1 (fr) * 1989-11-02 1991-05-08 Sumitomo Heavy Industries, Ltd Dispositif du traitement de liquide visqueux
US5100240A (en) * 1990-05-11 1992-03-31 Alterio Joseph C D High-speed continuous mixer for solids and liquids
DE4028306A1 (de) * 1990-09-06 1992-03-12 Hoesch & Soehne Eberhard Ruehrwerk mit einrichtung zum dichtungsschnellwechsel
DE4219289A1 (de) * 1992-06-12 1993-12-16 Braunschweigische Masch Bau Dichtungsanordnung
DE4310188A1 (de) * 1993-03-29 1994-10-06 Bachelier Heinz Juergen Einrichtung zum abgedichteten Befestigen eines Rührwerks an einem Behälter
DE19528018A1 (de) * 1995-07-31 1997-02-06 Eisenmann Kg Maschbau Anlage für die thermische Behandlung von Materialien mit organischen Bestandteilen
DE19536944A1 (de) * 1995-10-04 1997-04-10 List Ag Mischkneter

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003035235A1 (fr) * 2001-10-18 2003-05-01 List Ag Melangeur
US7083319B2 (en) 2003-05-15 2006-08-01 Buss Sms Gmbh Verfahrenstechnic Large-volume reactor having a plurality of process spaces
US7964059B2 (en) 2005-12-05 2011-06-21 Buss-Sms-Canzler Gmbh Large volume reactor or thin film evaporator with a premixing unit
EP2796190A1 (fr) * 2013-04-26 2014-10-29 Buss-SMS-Canzler GmbH Système constitué d'un couvercle terminal pour un réacteur/mélangeur et d'un bloc de raccordement à vis d'extraction
EP2796189A1 (fr) * 2013-04-26 2014-10-29 Buss-SMS-Canzler GmbH Réacteur/mélangeur à deux arbres et système constitué d'un couvercle terminal pour un réacteur/mélangeur et d'un bloc de raccordement à vis d'extraction
US9839863B2 (en) 2013-04-26 2017-12-12 Buss-Sms-Canzler Gmbh Double shaft reactor/mixer and system including an end cap for a reactor/mixer and a discharge screw connector block
US10525378B2 (en) 2013-04-26 2020-01-07 Buss-Sms-Canzler Gmbh Double shaft reactor/mixer and system including an end cap for a reactor/mixer and a discharge screw connector block
DE102014224105A1 (de) * 2014-11-26 2016-06-02 Aktiebolaget Skf Maschinenanordnung
CN114870677A (zh) * 2022-05-30 2022-08-09 扬州金丽生物科技有限公司 一种智能调温的肝素钠提取设备

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ATE234669T1 (de) 2003-04-15
ES2189718T3 (es) 2003-07-16
EP1101525B1 (fr) 2003-03-19

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