EP2613871A1 - Rührwerk - Google Patents
RührwerkInfo
- Publication number
- EP2613871A1 EP2613871A1 EP11757251.1A EP11757251A EP2613871A1 EP 2613871 A1 EP2613871 A1 EP 2613871A1 EP 11757251 A EP11757251 A EP 11757251A EP 2613871 A1 EP2613871 A1 EP 2613871A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- hollow shaft
- agitator
- rotors
- motor
- 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
Links
- 239000000654 additive Substances 0.000 claims abstract description 20
- 230000000996 additive effect Effects 0.000 claims abstract description 18
- 239000002351 wastewater Substances 0.000 description 9
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/91—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with propellers
-
- 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
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
-
- 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
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2336—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer
- B01F23/23364—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer the gas being introduced between the stirrer elements
- B01F23/233641—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer the gas being introduced between the stirrer elements at the stirrer axis
-
- 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
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
- B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
- B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
-
- 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
- B01F27/1125—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades with vanes or blades extending parallel or oblique to the stirrer axis
- B01F27/11253—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades with vanes or blades extending parallel or oblique to the stirrer axis the blades extending oblique to the stirrer axis
-
- 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
- B01F27/113—Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller
-
- 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
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/191—Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
-
- 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
- B01F27/21—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by their rotating shafts
- B01F27/2122—Hollow shafts
-
- 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
- B01F27/81—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis the stirrers having central axial inflow and substantially radial outflow
-
- 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
- B01F2101/005—Mixing or agitating manure, dung
-
- 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
- B01F2101/305—Treatment of water, waste water or sewage
-
- 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
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
- B01F23/23311—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer axis
Definitions
- the present invention relates to an agitator with a motor, a hollow shaft drivable via the motor, which is provided with at least one additive outlet opening through which an additive conducted through the hollow shaft can be discharged and a rotor arranged on the hollow shaft and having rotor blades.
- Such agitators are known in the prior art in a variety of configurations and are used in various technical fields.
- DE-A-25 11 717 discloses a stirrer with a motor-driven hollow shaft and a rotor attached thereto.
- the rotor is provided with holes or aggregate outlet openings, via which an aggregate passed through the hollow shaft in the form of air can be introduced into a liquid to be treated in order to aerate it, as required, for example, in the spreading of biological manure.
- the present invention provides an agitator of the type mentioned, which has a simple structure and ensures a very good mixing of the medium to be treated and a proper supply of the admixed additive.
- the present invention provides an agitator of the type mentioned, which is characterized in that on the hollow shaft spaced from the first rotor, a second rotor blades exhibiting rotor is provided, and that the at least one aggregate outlet opening between the two rotors is provided wherein the rotors are configured and drivable to generate a vacuum and a centrifugal force during operation in the space defined between the rotors.
- the medium to be treated is automatically and continuously conveyed from the outside into the intermediate space, whereby a very good mixing is achieved.
- the additive is sucked continuously and very effectively from the at least one additive outlet opening, thanks to the prevailing vacuum in the intermediate space and the centrifugal force generated, resulting in a very good and constant admixture of the additive. Overall, therefore, a good mixing of the medium to be treated and a proper introduction of the aggregate can be ensured.
- the rotors are rotatably connected to the hollow shaft, wherein the rotor blades of the first rotor and the rotor blades of the second rotor are arranged in opposite directions.
- the rotor blades of the first rotor and the rotor blades of the second rotor are inclined in opposite directions.
- the flow directions of the flows generated by the rotors are preferably oppositely directed to each other and / or preferably the suction sides of the rotors, in particular in the hollow shaft axial direction, provided on sides facing away from each other, while the pressure sides of the rotors face each other or lie between the rotors.
- the rotors are arranged in the region of the free end of the hollow shaft, so that they can be guided very close to the bottom of that container in which the medium to be treated is contained.
- the hollow shaft and the rotor blades of the first rotor and the second rotor are made of plastic. Accordingly, very aggressive additives can be introduced into media to be treated with the agitator according to the invention, such as iron chloride (FeCl 3 ), which is used in the waste water treatment, for example, for phosphate elimination.
- FeCl 3 iron chloride
- the at least one additive outlet opening is preferably an elongated recess which extends in particular in the direction of the hollow shaft axis.
- an elongated recess can be made a very uniform delivery of the additive.
- a plurality of additive outlet openings are provided, which are arranged distributed uniformly along the circumference of the hollow shaft.
- the engine may in particular be an electric motor.
- the motor can drive the hollow shaft directly.
- a corresponding gear can be interposed, such as a bevel gear or the like.
- the hollow shaft and the motor are coaxially arranged according to an embodiment of the present invention, wherein an aggregate supply line is connected in particular to the hollow shaft opposite side of the motor. In this way, a very simple construction of the agitator according to the invention.
- the motor can be mounted on a mounting plate so that the agitator can be installed without any problems.
- Figure 1 is a perspective view of a stirrer according to a
- Figure 2 is a side view of the agitator shown in Figure 1 and
- Figure 3 is a side view of that shown in Figures 1 and 2
- FIGS 1 to 3 show a stirrer 10 according to an embodiment of the present invention.
- the agitator 10 comprises an electric motor 12 fastened to a mounting plate 11 and a hollow shaft 14 which can be driven by the motor 12.
- the hollow shaft 14 is entirely made of plastic or of a metallic material, eg a steel, with a coating which is resistant to the aggregate, in particular a plastic coating. educated.
- the hollow shaft 14 is provided with a plurality of aggregate outlet openings 16.
- a guided through the hollow shaft 14 aggregate are discharged, which is connected via a guided inside the hollow shaft 14 non-co-rotating feed tube 40 whose upper end as Zuscherstoffzu slaughtertechnisch 18 upwardly protruding on the hollow shaft 14 opposite side of the motor 12, is supplied.
- the feed pipe 40 opens at its end at the level of the aggregate outlet openings 16.
- the aggregate outlet openings 16 are axial elongated recesses which are arranged distributed uniformly along the circumference of the hollow shaft 14 and each extending in the direction of the hollow shaft axis 20.
- the agitator 10 comprises a first rotor 22, which has four rotor blades 24, and a second rotor 26, which is provided with four rotor blades 28.
- the rotors 22 and 26 made of plastic are non-rotatably connected to the hollow shaft 14 and arranged spaced from each other, so that they define between them a gap 30 in which the aggregate outlet openings 16 are positioned.
- the rotor blades 24 of the first rotor 22 and the rotor blades 28 of the second rotor 26 are arranged in opposite directions, that is inclined in opposite directions, so that they produce substantially opposite currents during operation.
- the sucked into the space 30 wastewater is then pressed radially outward from the gap 30, so that in the space 30 in addition a centrifugal force is generated. In this way, on the one hand, a very good mixing of the wastewater 32 to be treated is achieved.
- the supplied via the hollow shaft 14 aggregate is continuously sucked from the aggregate outlet openings 16, as indicated by the arrows 38, whereby a uniform admixture of the aggregate is ensured.
- the aggregate may be, for example, ferric chloride (FeCl 3 ), which is used to eliminate phosphate in the wastewater.
- the structure of the agitator 10 described above is particularly advantageous in that a very good mixing of the medium to be treated and a proper introduction of the additive can be ensured with a simple structure.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL11757251T PL2613871T3 (pl) | 2010-09-10 | 2011-09-07 | Mieszadło |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010037473 | 2010-09-10 | ||
PCT/EP2011/065491 WO2012032090A1 (de) | 2010-09-10 | 2011-09-07 | Rührwerk |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2613871A1 true EP2613871A1 (de) | 2013-07-17 |
EP2613871B1 EP2613871B1 (de) | 2015-12-16 |
Family
ID=44651733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11757251.1A Active EP2613871B1 (de) | 2010-09-10 | 2011-09-07 | Rührwerk |
Country Status (6)
Country | Link |
---|---|
US (2) | US9120063B2 (de) |
EP (1) | EP2613871B1 (de) |
CA (1) | CA2810758C (de) |
ES (1) | ES2564536T3 (de) |
PL (1) | PL2613871T3 (de) |
WO (1) | WO2012032090A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012032090A1 (de) | 2010-09-10 | 2012-03-15 | J. F. Knauer Industrie-Elektronik Gmbh | Rührwerk |
KR101040927B1 (ko) | 2011-03-30 | 2011-06-16 | (주)플록마스터 | 슬러지 파쇄용 믹스장치 |
US9643141B2 (en) | 2011-10-27 | 2017-05-09 | Trimr, Llc | Shakeable container with agitator |
USD804247S1 (en) * | 2012-10-26 | 2017-12-05 | Trimr, Llc | Agitator on straw or rod for a shakable container |
CN103657471B (zh) * | 2013-11-27 | 2015-10-28 | 江苏浩特隆搅拌设备有限公司 | 垃圾发酵专用搅拌机 |
JP2016540638A (ja) | 2013-12-17 | 2016-12-28 | バイエル クロップサイエンス エルピーBayer Cropscience Lp | 展開可能なインペラを備えた混合システム、方法、および装置 |
WO2019099867A1 (en) * | 2017-11-16 | 2019-05-23 | Plasma Environmental LLC | System and method for aerating a fluid |
CN108579595B (zh) * | 2018-05-16 | 2020-10-09 | 重庆市永川区天堂化工厂 | 农业用农药搅拌设备 |
WO2020264545A1 (en) * | 2019-06-24 | 2020-12-30 | Siemens Healthcare Diagnostics Inc. | Methods and apparatus for rotary mixing of laboratory samples |
CN111744712B (zh) * | 2020-07-08 | 2021-11-16 | 苏州市相城区渭塘城乡发展有限公司 | 一种通信设备外壳加工喷漆用混合装置 |
CN118002013B (zh) * | 2024-04-10 | 2024-06-11 | 山东百特新能源科技有限公司 | 一种用于粉料混合搅拌设备及其使用方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US332349A (en) * | 1885-12-15 | Churn | ||
US684295A (en) * | 1901-05-13 | 1901-10-08 | Frederick A Mclellan | Grain-scourer. |
US975380A (en) * | 1910-04-01 | 1910-11-08 | Worth Carnahan J | Vacuum churn apparatus. |
US1242445A (en) * | 1916-01-06 | 1917-10-09 | Martin H Ittner | Apparatus for treating liquids with gases. |
US2203673A (en) * | 1938-08-17 | 1940-06-11 | Cornell Machine Company | Treating process |
US2404679A (en) | 1945-04-04 | 1946-07-23 | Andron Philip | Carbonator |
US2928661A (en) | 1958-06-09 | 1960-03-15 | Albert S Maclaren | Gas and liquid mixing apparatus |
US3400918A (en) | 1967-03-08 | 1968-09-10 | David S. Maclaren | Sewage aerator |
US3776531A (en) | 1972-03-16 | 1973-12-04 | M Ebner | Apparatus and propeller for entraining fluids in liquids |
NL7503044A (nl) | 1974-03-21 | 1975-09-23 | Raess Paul | Beluchtingsschroef. |
SU1454367A1 (ru) | 1987-04-29 | 1989-01-30 | Московский институт народного хозяйства им.Г.В.Плеханова | Рабочий орган к взбивальной машине |
DE9306907U1 (de) | 1993-05-07 | 1993-08-12 | Alcatel Sel Aktiengesellschaft, 70435 Stuttgart | Biegekoppler mit Detektor |
CH686117A5 (fr) | 1993-07-08 | 1996-01-15 | Biazzi Sa | Appareillage de reaction gaz-liquide. |
US6158722A (en) | 1998-09-23 | 2000-12-12 | General Signal Corporation | Mixing system for introducing and dispersing gas into liquids |
CH696494A5 (de) * | 2003-04-30 | 2007-07-13 | Andreas Kloss | Vorrichtung zur mikrobiologischen Fermentation und Kultivierung von Zellen. |
US7168849B2 (en) * | 2005-02-04 | 2007-01-30 | Spx Corporation | Agitation apparatus and method for dry solids addition to fluid |
WO2012032090A1 (de) | 2010-09-10 | 2012-03-15 | J. F. Knauer Industrie-Elektronik Gmbh | Rührwerk |
-
2011
- 2011-09-07 WO PCT/EP2011/065491 patent/WO2012032090A1/de active Application Filing
- 2011-09-07 PL PL11757251T patent/PL2613871T3/pl unknown
- 2011-09-07 CA CA2810758A patent/CA2810758C/en active Active
- 2011-09-07 ES ES11757251.1T patent/ES2564536T3/es active Active
- 2011-09-07 US US13/821,604 patent/US9120063B2/en active Active
- 2011-09-07 EP EP11757251.1A patent/EP2613871B1/de active Active
-
2015
- 2015-08-31 US US14/840,799 patent/US9744505B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2012032090A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2613871B1 (de) | 2015-12-16 |
US9744505B2 (en) | 2017-08-29 |
US20130294190A1 (en) | 2013-11-07 |
ES2564536T3 (es) | 2016-03-23 |
CA2810758C (en) | 2017-02-14 |
CA2810758A1 (en) | 2012-03-15 |
US9120063B2 (en) | 2015-09-01 |
US20150367299A1 (en) | 2015-12-24 |
WO2012032090A1 (de) | 2012-03-15 |
PL2613871T3 (pl) | 2016-07-29 |
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