EP0804278B1 - Dispositif de melange et de malaxage - Google Patents
Dispositif de melange et de malaxage Download PDFInfo
- Publication number
- EP0804278B1 EP0804278B1 EP96901295A EP96901295A EP0804278B1 EP 0804278 B1 EP0804278 B1 EP 0804278B1 EP 96901295 A EP96901295 A EP 96901295A EP 96901295 A EP96901295 A EP 96901295A EP 0804278 B1 EP0804278 B1 EP 0804278B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mixing
- kneading
- shaft
- elements
- 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.)
- Expired - Lifetime
Links
Images
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
- B01F27/707—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms the paddles co-operating, e.g. intermeshing, with elements on the receptacle wall
Definitions
- the invention relates to a mixing and kneading device for the particular thermal treatment of products in liquid, pasty and / or powdery state with or without supply and discharge of gases and vapors in one housing, in which a shaft rotates on the disc segments or the like.
- Disc-like elements are arranged which with interacting kneading counter elements fixed on the housing, being between the kneading counter elements or the kneading counter elements and an open space for the disc segments (Torusraum) is formed, in which a plurality of mixing arms intervene from the shaft.
- Such mixing and kneading devices are, for example, from the DE-PS 23 49 106 or the US-PS 3,687,422 known. These arrangement shown already guarantees a very good Mixing and kneading effect. Furthermore, product increments on, in particular, heated device elements, such as a shaft, Housing wall, disc segments and the like. Avoided effectively.
- Ep-A-0 220 575 is a mixing and kneading device known in a toroidal space between two kneading counter elements a single mixing arm engages. From DE-C-36 35 877, however, a mixer dryer is known in which of the shaft that also carries the disc segments, one A plurality of mixing arms of different designs in engage a toroidal space between two disc segments.
- the present invention is based on the object To improve the mixing and kneading effect in the torus area.
- the mixing arms result in succession are designed around the shaft that through them essentially the entire toroidal axial cross section is processed.
- the different design of the mixing arms is said to be so take place that by means of relatively slim mixing arms the entire Torus space is processed. That is, it will be inside Avoided areas of the Torusraum not processed, whereby the mixing and kneading effect is significantly improved. This results in a more even distribution of the Product because there are more elements that make up the product move. This also improves the mixing effect. Furthermore, it is avoided that mixing arms are only ever on one predetermined path move, it being, for example, a Torus collapses, then to significant force peaks for the wave is coming. Because of the different Design of the mixing arms, the product is evenly in distributed to the machine, so that the force absorption of the shaft is evened out.
- Each mixing arm preferably consists of one stem and one Crossbar.
- the trunk has a different length.
- the Trunk also have the same length and up to about Project in the middle of the torus area. But the crossbar is against it of mixing arms within an annular Torus space designed differently. He can be weird be employed, rotated, curved, twisted, Z or S-shaped od. Like .. Many configurations are conceivable here, which are intended to be encompassed by the invention.
- FIG drum-shaped housing 1 A mixing and kneading device according to FIG drum-shaped housing 1 shown, in which a shaft 2 turns. On this shaft 2 are spaced apart Disc segments 3 arranged near an inner wall 4th of the housing 1 of a kneading bar 5.
- scraper arm 10 merges into a shaft arm 11, which in turn is approximately parallel to shaft 2 and axially parallel to Longitudinal axis A runs counter to the kneading arm 9.
- Scraper arm 10 and shaft arm 11 essentially have the task Product incrustations on the disc segments 3 and Prevent wave 2 as these two elements of a kneading and Mixing device are usually heated.
- the Kneading bar 5 also has this task compared to Inner wall 4, wherein the kneading bar 5 additionally Performs product kneading in the kneading gaps 6.
- the crossbar 16 is always of the same design, but the stem 15 has different lengths l 1 , l 2 and l 3 for different mixing arms 14.1, 14.2 and 14.3 within an annular toroidal space 12.
- This makes it possible to machine the entire toroidal space 12 with one revolution of the shaft 2, so that there are no dead zones within the toroidal space 12 in which the product could possibly remain.
- the product is kept in motion, product incrustation is reduced and the kneading effect is significantly improved.
- there is a reduction in force absorption peaks when the shaft 2 is rotated since the product is always processed by at least two mixing arms 14. For the subsequent mixing arm there is no possibility to drive through the product in the same lane that was created by the leading mixing arm.
- the trunk 15 always has the same length so that it is roughly in the middle of the toroid 12 ends. It is indicated in FIG. 3 that the crossbar 16 do not, as shown in Figure 1, run axially parallel must be arranged, but inclined to the longitudinal axis A. can. Then within an annular toroidal space different crossbars shown with themselves Alternate crossbars running parallel to the axis.
- crossbars can, however, as in FIGS. 4 and 5 shown to be wavy or S-shaped. Conceivable are also C-shaped crossbars or those that zigzag run. This depends on the person to be treated Product.
- torus 12 is only indicated by dashed lines.
- a finger-shaped mixing arm 14.7 engages in it Querfinger points 17 times to the left and once to the right and whose trunk 15.7 has a different length.
- the cross section of the element that appears important drive through the product includes the Mixing arm 14 but also the kneading bar 5, an edge of the Disc segment 3 and the kneading counter element 7.
- Preferred the cross-section is ploughshare-like, this being the case a simple triangular cross section according to FIG. 8 can.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Accessories For Mixers (AREA)
Claims (4)
- Dispositif de mélange et de malaxage pour le traitement thermique notamment de produits à l'état liquide, pâteux et/ou pulvérulent avec ou sans arrivée et soutirage de gaz et de vapeurs dans une enveloppe (1) où tourne un arbre (2) sur lequel sont disposés des segments de disque (3) ou en analogie des éléments semblables à des disques qui coopèrent avec des contre-éléments de malaxage (7) fixés sur l'enveloppe où est formé entre les contre-éléments de malaxage (7) ou entre les contre-éléments de malaxage et les segments de disque (3) un espace libre (12) (espace torique), où pénètrent une pluralité de bras de mélange (14, 14.7) qui s'étendent depuis l'arbre (2),
caractérisé en ce que
les bras de mélange (14, 14.7) disposés sur l'arbre (2) dans le sens de rotation de l'arbre (2) sont différents et sont constitués de telle sorte que la somme des trajectoires périphériques de ces bras de mélange (14, 14.7) remplissent essentiellement le volume non appréhendé par les trajectoires périphériques des contre-éléments de malaxage (7) entre deux implantations de segments de disque. - Dispositif de mélange et de malaxage selon la revendication 1,
caractérisé en ce que
chaque bras de mélange (14) est constitué d'une tige (15) et d'un barreau transversal (16, 17), où à l'intérieur d'un espace torique annulaire (12) la tige (15.1, 15.2, 15.3) a des longueurs différentes (l1, l2, l3) et/ou le barreau transversal (16.1, 16.2, 16.3, 17) a des configurations différentes. - Dispositif de mélange et de malaxage selon la revendication 2,
caractérisé en ce que
les barreaux transversaux (16) des bras de mélange (14) dans un espace torique (12) par rapport à un axe longitudinal (A) de l'enveloppe (1) sont inclinés, tordus, incurvés, torsadés ou analogue. - Dispositif de mélange et de malaxage selon les revendications 2 ou 3,
caractérisé en ce que
la tige (15) et/ou le barreau transversal (16, 17) ont une section en forme de charrue
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00136/95A CH688365A5 (de) | 1995-01-18 | 1995-01-18 | Misch- und Knetvorrichtung. |
CH136/95 | 1995-01-18 | ||
PCT/EP1996/000189 WO1996022156A1 (fr) | 1995-01-18 | 1996-01-18 | Dispositif de melange et de malaxage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0804278A1 EP0804278A1 (fr) | 1997-11-05 |
EP0804278B1 true EP0804278B1 (fr) | 1998-12-16 |
Family
ID=4180075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96901295A Expired - Lifetime EP0804278B1 (fr) | 1995-01-18 | 1996-01-18 | Dispositif de melange et de malaxage |
Country Status (10)
Country | Link |
---|---|
US (1) | US5934801A (fr) |
EP (1) | EP0804278B1 (fr) |
AT (1) | ATE174528T1 (fr) |
AU (1) | AU691078B2 (fr) |
CA (1) | CA2210639A1 (fr) |
CH (1) | CH688365A5 (fr) |
DE (1) | DE59600991D1 (fr) |
DK (1) | DK0804278T3 (fr) |
ES (1) | ES2126380T3 (fr) |
WO (1) | WO1996022156A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9394626B2 (en) | 2009-08-11 | 2016-07-19 | List Holding Ag | Method for treating a monomer, pre-polymer, polymer or a corresponding mixture |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19940521C2 (de) * | 1999-08-26 | 2003-02-13 | List Ag Arisdorf | Mischkneter |
US6991361B2 (en) * | 2000-04-05 | 2006-01-31 | Advanced Concrete Innovations, Inc. | Portable concrete plant |
US20020001255A1 (en) * | 2000-04-05 | 2002-01-03 | Flood Jeffrey D. | Portable concrete plant |
US6410783B1 (en) | 2000-10-19 | 2002-06-25 | Basf Corporation | Method of producing carboxylic acid salts |
WO2002089963A2 (fr) * | 2001-04-25 | 2002-11-14 | List Ag | Barres melangeuses a effet nettoyant dans le sens radial ou axial |
DE10331952A1 (de) * | 2003-07-15 | 2005-02-10 | Degussa Ag | Vorrichtung und Verfahren zur diskontinuierlichen Polykondensation |
DE102010060320A1 (de) | 2010-06-30 | 2012-02-16 | List Holding Ag | Verfahren zur thermischen Trennung einer Lösung aus thermoplastischen polymer und Lösungsmittel |
DE102013100182A1 (de) * | 2012-09-28 | 2014-06-05 | List Holding Ag | Verfahren zur Durchführung von mechanischen, chemischen und/oder thermischen Prozessen |
CN103432949A (zh) * | 2013-07-31 | 2013-12-11 | 南京化工特种设备检验检测研究所 | 高效低耗搅拌器 |
DE102014112579A1 (de) | 2013-08-30 | 2015-03-05 | List Holding Ag | Verfahren zum Herstellen einer chemischen Substanz |
CN106574819B (zh) | 2014-06-12 | 2020-05-05 | 赫德因有限责任公司 | 用于烹饪和干燥有机材料的装置 |
CN106573209B (zh) | 2014-08-13 | 2020-01-03 | 维尔萨利斯股份公司 | 转子以及搅拌设备 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB793457A (en) * | 1954-04-06 | 1958-04-16 | Loedige Wilhelm | Improvements relating to the mixing of materials |
GB793456A (en) * | 1955-05-31 | 1958-04-16 | John Frederick William Harvey | Improvements in automatic adjustment mechanism for hydraulic brakes |
CH506322A (de) * | 1969-03-17 | 1971-04-30 | List Heinz | Mehrspindelige Misch- und Knetmaschine |
DE2123956C3 (de) * | 1970-05-20 | 1979-09-20 | Heinz Dipl.-Ing. Pratteln List (Schweiz) | Misch- und Knetmaschine |
CH583061A5 (fr) * | 1972-10-18 | 1976-12-31 | List Heinz | |
DE3474503D1 (en) * | 1983-12-05 | 1988-11-17 | List Ind Verfahrenstech | Mixing and kneading machine |
DE3538070A1 (de) * | 1985-10-25 | 1987-04-30 | Krauss Maffei Ag | Misch- und knetvorrichtung |
DE3635877C1 (de) * | 1986-10-22 | 1987-10-15 | Heinz Nienhaus | Mischtrockner |
CH672749A5 (fr) * | 1986-12-19 | 1989-12-29 | List Ag | |
CH674472A5 (fr) * | 1987-05-06 | 1990-06-15 | List Ag | |
CH674318A5 (fr) * | 1987-08-28 | 1990-05-31 | List Ag | |
CH678285A5 (fr) * | 1988-02-16 | 1991-08-30 | List Ag | |
CH680196A5 (fr) * | 1988-02-16 | 1992-07-15 | List Ag | |
CH686406A5 (de) * | 1990-04-11 | 1996-03-29 | List Ag | Kontinuierlich arbeitender Mischkneter. |
DE4118884A1 (de) * | 1991-06-07 | 1992-12-10 | List Ag | Mischkneter |
-
1995
- 1995-01-18 CH CH00136/95A patent/CH688365A5/de not_active IP Right Cessation
-
1996
- 1996-01-18 EP EP96901295A patent/EP0804278B1/fr not_active Expired - Lifetime
- 1996-01-18 DE DE59600991T patent/DE59600991D1/de not_active Expired - Lifetime
- 1996-01-18 ES ES96901295T patent/ES2126380T3/es not_active Expired - Lifetime
- 1996-01-18 DK DK96901295T patent/DK0804278T3/da active
- 1996-01-18 AU AU45373/96A patent/AU691078B2/en not_active Ceased
- 1996-01-18 US US08/860,963 patent/US5934801A/en not_active Expired - Fee Related
- 1996-01-18 WO PCT/EP1996/000189 patent/WO1996022156A1/fr active IP Right Grant
- 1996-01-18 AT AT96901295T patent/ATE174528T1/de not_active IP Right Cessation
- 1996-01-18 CA CA002210639A patent/CA2210639A1/fr not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9394626B2 (en) | 2009-08-11 | 2016-07-19 | List Holding Ag | Method for treating a monomer, pre-polymer, polymer or a corresponding mixture |
Also Published As
Publication number | Publication date |
---|---|
CA2210639A1 (fr) | 1996-07-25 |
ATE174528T1 (de) | 1999-01-15 |
DK0804278T3 (da) | 1999-08-23 |
EP0804278A1 (fr) | 1997-11-05 |
AU4537396A (en) | 1996-08-07 |
CH688365A5 (de) | 1997-08-29 |
ES2126380T3 (es) | 1999-03-16 |
AU691078B2 (en) | 1998-05-07 |
WO1996022156A1 (fr) | 1996-07-25 |
DE59600991D1 (de) | 1999-01-28 |
US5934801A (en) | 1999-08-10 |
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