EP0111148A2 - Appareil pour agiter pourvu d'une coudre protectrice sensible aux coups - Google Patents

Appareil pour agiter pourvu d'une coudre protectrice sensible aux coups Download PDF

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Publication number
EP0111148A2
EP0111148A2 EP83110903A EP83110903A EP0111148A2 EP 0111148 A2 EP0111148 A2 EP 0111148A2 EP 83110903 A EP83110903 A EP 83110903A EP 83110903 A EP83110903 A EP 83110903A EP 0111148 A2 EP0111148 A2 EP 0111148A2
Authority
EP
European Patent Office
Prior art keywords
stirrer
shaft
stirring
elastic
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.)
Withdrawn
Application number
EP83110903A
Other languages
German (de)
English (en)
Other versions
EP0111148A3 (fr
Inventor
Jörg List
Alfred Kunz
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.)
Dipl-Ing H List Industrielle Verfahrenstechnik
Original Assignee
Dipl-Ing H List Industrielle Verfahrenstechnik
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 Dipl-Ing H List Industrielle Verfahrenstechnik filed Critical Dipl-Ing H List Industrielle Verfahrenstechnik
Publication of EP0111148A2 publication Critical patent/EP0111148A2/fr
Publication of EP0111148A3 publication Critical patent/EP0111148A3/fr
Withdrawn legal-status Critical Current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
    • B01F27/05—Stirrers
    • B01F27/051—Stirrers characterised by their elements, materials or mechanical properties
    • 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
    • B01F27/051—Stirrers characterised by their elements, materials or mechanical properties
    • B01F27/052—Stirrers with replaceable wearing elements; Wearing elements therefor
    • 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
    • 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
    • B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
    • B01F35/41—Mounting or supporting stirrer shafts or stirrer units on receptacles
    • B01F35/412—Mounting or supporting stirrer shafts or stirrer units on receptacles by supporting both extremities of the shaft
    • B01F35/4122—Mounting or supporting stirrer shafts or stirrer units on receptacles by supporting both extremities of the shaft at the side walls of the receptacle
    • 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
    • B01F35/50—Mixing receptacles
    • 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
    • B01F35/90—Heating or cooling systems
    • B01F35/92—Heating or cooling systems for heating the outside of the receptacle, e.g. heated jackets or burners
    • 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
    • B01F35/90—Heating or cooling systems
    • B01F35/95—Heating or cooling systems using heated or cooled stirrers
    • 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

Definitions

  • the invention relates to a stirrer with a stirrer enclosed by a fixed housing and having a hollow shaft and a drive device for the stirrer, wall parts of the housing and / or the hollow shaft being heatable.
  • D a is the corrosive products to be stirred in particular at elevated temperature, had known agitators of the type mentioned made of high quality stainless steel.
  • agitators of the type mentioned made of high quality stainless steel.
  • it is generally known to protect heated containers from corrosion by means of an enamel layer, but it is known that such a protective layer can only be applied to wall parts of limited thickness and is destroyed due to its low elasticity or sensitivity to impact when the wall part provided with the protective layer is exposed to loads will lead to its elastic deformation.
  • Impact-sensitive protective layers could therefore not be used for stirrers in which substantial stirring forces due to the high viscosity cannot be expected.
  • the present invention has for its object to find a stirrer of the type mentioned for high torques, which is provided with a shock-sensitive protective layer wall parts, so that these wall parts can be made of non-corrosion-resistant steel to reduce the manufacturing costs of the apparatus. This object is achieved on the basis of the characterizing features of claim 1.
  • 1-3 has a stirring container 1 which is arranged horizontally with its longitudinal axis and which surrounds a stirrer shaft 2 arranged coaxially.
  • this stirrer shaft 2 is only supported on one side and thus only passed through a stuffing box 3 on one side of the container 1.
  • the stirred tank 1 is arranged in a fixed position and has a filler neck 4 on its top, via which a vapor can also be drawn off.
  • the emptying nozzle 5 on the underside of the container 1 encloses a conically inserted gas-tight cover 6 which can be pivoted downwards by means of an actuating device 7, as indicated by the curved line 8.
  • the part of the agitator arranged on the right in FIG Lid 10 of the stirred tank and the drive housing 11 connected to it can be moved away from the stirred tank 1 together with the stirring shaft 2 after loosening the screw clamps 12 of a flange connection 13.
  • this part of the apparatus can be arranged to be movable on rails in a manner not shown.
  • the flange connection 13 includes a semi-elastic, relatively thick seal 14, which forms an elastic intermediate member according to the invention between the drive housing 11 and the fixedly arranged container part 15.
  • This seal 14 prevents that in the event of a suddenly occurring frictional connection, the corresponding sudden load peak must be absorbed undamped in the agitator shaft 2 or its agitator arms 16 - 18 and the agitator container 1, because these forces emanating from the agitator shaft 2 must pass from the agitator container 1 to the Drive housing 11 are forwarded, which carries the drive of the agitator shaft 2.
  • elastic intermediate elements are also provided on the force path from the agitator blades to the moving part of the drive, corresponding to one in Fig. -4 shown elastic insert 26 on the agitator blades and metal bellows 27, 28 between a relatively rigid hollow support shaft 29 and a shaft jacket 31 carrying the enamel layer 30th
  • a pipe 33 carrying a heating medium is guided through the hollow support shaft 29 and leads a heating medium into the space 34 between the support shaft 29 and the enamelled shaft jacket 31. The back flow of the heating medium takes place through the space 35, which is circular in cross section, between the heating medium line 33 and the support shaft 29.
  • openings 37 and 38 are provided in the elastic intermediate member 27 and in the support shaft 29 in front of the intermediate member.
  • this is provided outside the area of the flange connection 13 with heating jackets 40, 41, to which supply and discharge lines 42, 43 and 44, 45 are connected.
  • Fig. 2 shows an embodiment for the support between the support shaft 29 and the shaft jacket 31 by an elastic intermediate member designed as a bellows. Due to its corrugated cross-section, this metallic bellows enables a relatively large elastic deformation both in the axial and in the radial direction of the shaft.
  • the two axial ends 47, 48 of the bellows 28 are each firmly connected to a support ring 50 or 51, which is welded to the shaft jacket 31 or the support shaft 29.
  • FIG. 4 shows, in a relatively enlarged cross-sectional representation, the arrangement of a stirring blade 23 on a stirring arm 17 of the stirring shaft 2.
  • the stirring arm 17 is coated with an enamel layer 30 while the stirring blade 23 itself consists of a corrosion and wear-resistant material.
  • This stirring blade 23 is screwed to the stirring arm 17 by one or more screws 53, the screw head 54 being located in a countersunk hole which is filled with a corrosion-resistant sealing compound 55.
  • the agitator blade 23 includes the tapered one outer end 56 of the stirrer arm 17, and an elastic insert 26 between this end of the stirrer arm and the stirrer blade 23 prevents damage to the enamel layer 30 and at the same time seals the gap between the stirrer arms 56 and the stirrer blade 23.
  • the housing 58 of the stuffing box 3 is connected to the mixing container via an elastic intermediate member 59, so that loads originating from the stirring shaft 2 and acting in an impacting manner on the stuffing box 3 are dampened or compensated for and cannot lead to an overloading of enamelled regions of the mixing apparatus.
  • a corrosion-resistant sleeve 61 is placed and fastened on the tapered end 60 of the shaft jacket 31, and an elastic seal (not shown) can also be inserted between the two in the region of the front edge of this sleeve.
  • the gland packing 62 lies against the outside of this sleeve 61.
  • a flange 63 presses the stuffing box housing 58 against the elastic intermediate member 59 designed as a sealing washer and thus against an opening edge 64 of the mixing container 1.
  • the agitator shaft 2 was driven by the drive 20 attached to the side of the agitator, starting from an electric motor 66 via a gear 67 and a drive transmission enclosed in a housing 68, which consists, for example, of V-belts.
  • FIG. 5 differs from the embodiment described essentially only in the two-sided mounting of the agitator shaft 2 ', so that it is exposed to lower bending forces.
  • the exemplary embodiment described above shows that, based on the present invention, the agitator shaft can also be supported on one side.
  • the heating medium is supplied to the agitator shaft 2' starting from the heating medium channel 33 '.
  • the heating means occurs - since the annular gap between the H eizatorikanal 33 'and the shaft 29' is blocked by the ring 70 - through the holes 71 into the heating space 34 'between the supporting shaft 29' and the stirring shaft 2 '.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Accessories For Mixers (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
EP83110903A 1982-11-26 1983-11-02 Appareil pour agiter pourvu d'une coudre protectrice sensible aux coups Withdrawn EP0111148A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH690482 1982-11-26
CH6904/82 1982-11-26

Publications (2)

Publication Number Publication Date
EP0111148A2 true EP0111148A2 (fr) 1984-06-20
EP0111148A3 EP0111148A3 (fr) 1986-07-16

Family

ID=4316879

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83110903A Withdrawn EP0111148A3 (fr) 1982-11-26 1983-11-02 Appareil pour agiter pourvu d'une coudre protectrice sensible aux coups

Country Status (2)

Country Link
US (1) US4575253A (fr)
EP (1) EP0111148A3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0641753A2 (fr) * 1993-09-01 1995-03-08 Martial Plant Corporation Appareil de fermentation rapide
WO2018104286A1 (fr) * 2016-12-07 2018-06-14 Maschinenfabrik Gustav Eirich Gmbh & Co. Kg Ailette de mélange comprenant un élément d'usure ainsi que procédé permettant de fixer un élément d'usure à une partie de base d'une ailette de mélange
WO2019086116A1 (fr) 2017-11-02 2019-05-09 Ammann Schweiz Ag Mélangeur de matériaux de construction
DE102018121430A1 (de) * 2018-09-03 2020-03-05 Detloff GmbH Mischer mit Arm
WO2020048929A1 (fr) 2018-09-03 2020-03-12 Detloff GmbH Malaxeur à bras

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4809712A (en) * 1986-09-26 1989-03-07 Cochlear Pty. Ltd. Electrode assembly for cochlear implant
US5041249A (en) * 1989-12-26 1991-08-20 Exxon Chemical Patent Inc. Process for low-temperature elastomer finishing
US6150498A (en) * 1996-07-12 2000-11-21 The Dow Chemical Company Polymer recovery
JP3255866B2 (ja) * 1997-01-30 2002-02-12 カゴメ株式会社 食品材料の連続煎炒装置
US5962728A (en) * 1997-10-31 1999-10-05 Arco Chemical Technology, L.P. Isocyanate residue purification
US6471394B2 (en) 2001-03-07 2002-10-29 Littleford Day, Incorporated Mixer apparatus and method with improved shaft stub end seal structure
CN111330486A (zh) * 2020-04-01 2020-06-26 福建省新宏港纺织科技有限公司 一种纺织印染浆料快速混合调浆设备
CN111569718B (zh) * 2020-05-28 2022-05-10 铜陵市华兴化工有限公司 一种高效化工污水处理装置及其使用方法

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE523714A (fr) *
US1667944A (en) * 1924-10-31 1928-05-01 Pfaudler Co Inc Agitator
US2852238A (en) * 1957-08-19 1958-09-16 Toms River Cincinnati Chemical Agitator for lined pressure vessel
GB806764A (en) * 1955-12-02 1958-12-31 Pfaudler Co Inc A corrosion resisting agitator
DE1096874B (de) * 1956-02-24 1961-01-12 Der Ludwig Von Roll Schen Eise Antriebsvorrichtung fuer ein in einem Gefaess angeordnetes Arbeitsgeraet
US3120948A (en) * 1962-03-15 1964-02-11 King Of Prussia Res And Dev Co Variable angle mixer drive
DE1295525B (de) * 1963-11-13 1969-05-22 United Kingdom Government Chemisch widerstandsfaehiger Ruehrwerkruehrer bzw. Pumpenrotor
DE2103621A1 (en) * 1970-01-28 1971-08-05 Schneider F Combined seal and mechanical transmission be
AU467217B2 (en) * 1972-03-29 1975-11-27 Canada Barrels & Kegs Limited Fiberglass processing tank
EP0031604A1 (fr) * 1979-12-28 1981-07-08 Constructie Werkhuizen VANDEKERCKHOVE N.V. Agitateur rotatif avec chauffage intérieur
EP0036325A2 (fr) * 1980-03-17 1981-09-23 Silverson Machines Limited Mélangeurs
DE3100765A1 (de) * 1980-01-31 1982-01-28 Trelleborg Ab Verschleissschutz fuer die schaufelarme von mischern, insbesondere betonmischern

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2027185A (en) * 1934-06-15 1936-01-07 Evarts G Loomis Mixing machine
US2116099A (en) * 1936-09-04 1938-05-03 Us Stoneware Co Sealing, supporting, and cushioning assembly
FR1026405A (fr) * 1950-10-23 1953-04-28 Boucher Ets Dispositif d'entraînement d'un oruleau malaxeur dans une baratte
SU143372A1 (ru) * 1960-05-13 1960-11-30 В.Д. Рассказов Мешалка из кварцевого стекла
US3156452A (en) * 1961-10-10 1964-11-10 Interlake Iron Corp Mixing apparatus
GB1250984A (fr) * 1969-07-29 1971-10-27
US3751010A (en) * 1971-08-16 1973-08-07 Monsanto Co Mixer
DE2207207B2 (de) * 1972-02-16 1976-10-07 Ruehrer
JPS5265360A (en) * 1975-11-25 1977-05-30 Kishihiro Yamaoka Continuous kneading machine
US4264215A (en) * 1979-09-17 1981-04-28 Sybron Corporation Separable blade impeller
US4312599A (en) * 1979-10-22 1982-01-26 General Electric Company High temperature article, article retainer, and cushion
DE2946126C2 (de) * 1979-11-15 1986-08-14 Dieter 6570 Kirn Kupka Ruhrwerk

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE523714A (fr) *
US1667944A (en) * 1924-10-31 1928-05-01 Pfaudler Co Inc Agitator
GB806764A (en) * 1955-12-02 1958-12-31 Pfaudler Co Inc A corrosion resisting agitator
DE1096874B (de) * 1956-02-24 1961-01-12 Der Ludwig Von Roll Schen Eise Antriebsvorrichtung fuer ein in einem Gefaess angeordnetes Arbeitsgeraet
US2852238A (en) * 1957-08-19 1958-09-16 Toms River Cincinnati Chemical Agitator for lined pressure vessel
US3120948A (en) * 1962-03-15 1964-02-11 King Of Prussia Res And Dev Co Variable angle mixer drive
DE1295525B (de) * 1963-11-13 1969-05-22 United Kingdom Government Chemisch widerstandsfaehiger Ruehrwerkruehrer bzw. Pumpenrotor
DE2103621A1 (en) * 1970-01-28 1971-08-05 Schneider F Combined seal and mechanical transmission be
AU467217B2 (en) * 1972-03-29 1975-11-27 Canada Barrels & Kegs Limited Fiberglass processing tank
EP0031604A1 (fr) * 1979-12-28 1981-07-08 Constructie Werkhuizen VANDEKERCKHOVE N.V. Agitateur rotatif avec chauffage intérieur
DE3100765A1 (de) * 1980-01-31 1982-01-28 Trelleborg Ab Verschleissschutz fuer die schaufelarme von mischern, insbesondere betonmischern
EP0036325A2 (fr) * 1980-03-17 1981-09-23 Silverson Machines Limited Mélangeurs

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0641753A2 (fr) * 1993-09-01 1995-03-08 Martial Plant Corporation Appareil de fermentation rapide
EP0641753A3 (fr) * 1993-09-01 1995-04-12 Martial Plant Corp
WO2018104286A1 (fr) * 2016-12-07 2018-06-14 Maschinenfabrik Gustav Eirich Gmbh & Co. Kg Ailette de mélange comprenant un élément d'usure ainsi que procédé permettant de fixer un élément d'usure à une partie de base d'une ailette de mélange
CN110049812A (zh) * 2016-12-07 2019-07-23 德国古斯塔夫·爱立许机械制造有限公司 具有耐磨元件的混合叶片和用于将耐磨元件附连到混合叶片的基底部分的方法
CN110049812B (zh) * 2016-12-07 2021-11-16 德国古斯塔夫·爱立许机械制造有限公司 具有耐磨元件的混合叶片和用于将耐磨元件附连到混合叶片的基底部分的方法
WO2019086116A1 (fr) 2017-11-02 2019-05-09 Ammann Schweiz Ag Mélangeur de matériaux de construction
DE102018121430A1 (de) * 2018-09-03 2020-03-05 Detloff GmbH Mischer mit Arm
WO2020048929A1 (fr) 2018-09-03 2020-03-12 Detloff GmbH Malaxeur à bras

Also Published As

Publication number Publication date
EP0111148A3 (fr) 1986-07-16
US4575253A (en) 1986-03-11

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Inventor name: LIST, JOERG