WO2020114907A1 - Hyperboloid-rührkörper zum umwälzen von flüssigkeiten sowie rühr- und begasungseinrichtung - Google Patents

Hyperboloid-rührkörper zum umwälzen von flüssigkeiten sowie rühr- und begasungseinrichtung Download PDF

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Publication number
WO2020114907A1
WO2020114907A1 PCT/EP2019/083096 EP2019083096W WO2020114907A1 WO 2020114907 A1 WO2020114907 A1 WO 2020114907A1 EP 2019083096 W EP2019083096 W EP 2019083096W WO 2020114907 A1 WO2020114907 A1 WO 2020114907A1
Authority
WO
WIPO (PCT)
Prior art keywords
hyperboloid
body according
stirring body
air
lower shell
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.)
Ceased
Application number
PCT/EP2019/083096
Other languages
German (de)
English (en)
French (fr)
Inventor
Marcus HÖFKEN
Thomas Hagspiel
Torsten Frey
Walter Steidl
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.)
Invent Umwelt und Verfahrenstechnik AG
Original Assignee
Invent Umwelt und Verfahrenstechnik AG
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
Priority to EP19813479.3A priority Critical patent/EP3849694B1/de
Priority to DK19813479.3T priority patent/DK3849694T3/da
Priority to BR112021006550A priority patent/BR112021006550A2/pt
Priority to IL281692A priority patent/IL281692B2/en
Priority to JP2021531642A priority patent/JP7520009B2/ja
Priority to US17/279,356 priority patent/US11731090B2/en
Priority to MX2021003937A priority patent/MX2021003937A/es
Priority to ES19813479T priority patent/ES2928354T3/es
Priority to CN201980064529.0A priority patent/CN113423490B/zh
Priority to KR1020217016631A priority patent/KR102771242B1/ko
Application filed by Invent Umwelt und Verfahrenstechnik AG filed Critical Invent Umwelt und Verfahrenstechnik AG
Priority to CA3114834A priority patent/CA3114834A1/en
Priority to PL19813479.3T priority patent/PL3849694T3/pl
Publication of WO2020114907A1 publication Critical patent/WO2020114907A1/de
Priority to ZA2021/01963A priority patent/ZA202101963B/en
Anticipated expiration legal-status Critical
Ceased 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
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/503—Floating mixing devices
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F7/00—Aeration of stretches of water
    • 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
    • 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
    • B01F23/23314—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 element
    • 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
    • B01F23/2333—Single stirrer-drive aerating units, e.g. with the stirrer-head pivoting around an horizontal 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
    • B01F27/117—Stirrers provided with conical-shaped elements, e.g. funnel-shaped
    • 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
    • B01F27/17—Stirrers with additional elements mounted on the stirrer, for purposes other than mixing
    • B01F27/172—Stirrers with additional elements mounted on the stirrer, for purposes other than mixing for cutting, e.g. with knives
    • 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
    • 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
    • B01F27/94—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with rotary cylinders or cones
    • B01F27/941—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with rotary cylinders or cones being hollow, perforated or having special stirring elements thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • 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
    • B01F35/32—Driving arrangements
    • B01F35/32005—Type of drive
    • B01F35/3204—Motor driven, i.e. by means of an electric or IC motor
    • 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
    • B01F23/2336—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
    • B01F23/23365—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 at the radial periphery of the stirrer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Definitions

  • Hyperboloid stirring body for circulating liquids as well as stirring and fumigation equipment Hyperboloid stirring body for circulating liquids as well as stirring and fumigation equipment
  • the invention relates to a hyperboloid stirring body for circulating liquids, in particular water, waste water or the like. It also relates to a stirring and gassing device.
  • a hyperboloid stirring body and a stirring and gassing device are known for example from DE 202 07 376 U1.
  • a motor with a gear is provided at the top of a tower-like frame.
  • a gear shaft is connected to a hollow stirrer shaft, at the end of which a single-shell hyperboloid stirrer body is attached.
  • the hyperboloid agitator body has on its upper side sections of radially extending transport ribs which bend towards the peripheral edge of the agitator body in a tangential direction. Shear ribs are provided on the underside of the stirring body at the peripheral edge.
  • Below the stirring body is a ring line through which air is supplied. The air reaches the ring line through a support element of the tower.
  • the known stirring and gassing device requires the provision of a tower-like frame, and for ventilation also the provision of a ring line.
  • the known stirring and gassing device is suitable for circulating and gassing water, wastewater or the like taken up in a container.
  • the known stirring and gassing device is particularly unsuitable for circulating and gassing natural waters, such as ponds, lakes and the like. since there is no solid base to support the tower-like frame.
  • the known stirring and Begasungsein direction is relatively complex to manufacture.
  • the object of the invention is to settle the disadvantages of the prior art.
  • a hyperboloid stirring body and a stirring and gasing device are to be specified, which are suitable universally for circulating and gassing liquids.
  • the manufacture of the stirring and gassing device in particular is to be simplified.
  • the hyperboloid stirring body is formed as a hollow body, a central opening for supplying air being provided in the connecting section, and downstream of the opening an air distribution device for distributing air supplied through the opening to a plurality of air outlet openings provided in the hollow body is provided.
  • a hollow stirrer shaft known per se can advantageously be used for supplying air.
  • stirrer ago stirrer and gassing device can be dispensed with the provision of a tower-like frame and a separate ring line for ventilation.
  • Such a stirring and gassing device can be manufactured with reduced effort. It can be assembled quickly and easily on site. In particular, it is not necessary to lay ventilation pipes under water.
  • the air distribution device has an air distribution space with a plurality of air distribution openings downstream of the opening.
  • Each air distribution breakthrough advantageously opens into an air channel, which is bordered by sections that run radially.
  • the sectionally radial walls expediently bend towards the peripheral edge of the hyperboloid stirring body into a tangential one Direction around.
  • the air outlet openings are expediently provided in each case on radially outer end sections of the air ducts.
  • the hyperboloid stirring body is formed from an upper shell containing the connection section and a lower shell connected therewith, the air channels being delimited by the upper shell and the lower shell.
  • the air ducts can be made by simply joining the upper shell and the lower shell.
  • radially extending transport ribs extend from the first upper side of the upper shell. Similar to the walls, the transport ribs can bend in a tangential direction towards the peripheral edge of the hyperboloid stirring body.
  • the walls expediently extend from a second upper side of the lower shell.
  • the course of the walls corresponds to the course of the transport ribs, so that when the upper and lower shells are joined, each underside of the transport ribs is supported on an upper edge of the walls. This results in a particularly stable and torsionally rigid construction. In this way, the air ducts can be produced in a simple manner by joining the upper and lower shells.
  • the walls can also have openings or be formed from several sections, between which there are gaps.
  • the second upper side of the lower shell is concave, preferably hyperboloid-shaped. That is, both the top as well as the lower shell are shaped hyperboloid. A particularly compact and stable hollow body results when the upper shell is joined to the lower shell.
  • the air outlet openings are expediently provided in the vicinity of a peripheral edge of the hollow body.
  • the air outlet openings can be seen in the vicinity of a peripheral edge of the lower shell, in particular on a second lower side of the lower shell opposite the second upper side.
  • radially outwardly extending shear ribs are attached to the second underside.
  • At least one of the air outlet openings is expediently provided between two shear ribs. Because of the proposed arrangement, air bubbles emerging through the air outlet openings are immediately destroyed by the action of the shear ribs and / or finely distributed in the surrounding liquid. A particularly efficient gassing of the liquid is possible.
  • the upper and lower shells can each be made of fiber-reinforced plastic.
  • the air distribution space is formed from a rotationally symmetrical, preferably conical, insert, in the peripheral wall of which the air distribution openings are provided.
  • the insert can also be made of fiber-reinforced plastic.
  • a stirring and gassing device comprising a motor, a gearbox that is connected to the motor in a driving manner with a hollow shaft gear, a blower connected to a first end of the hollow gear shaft for supplying air, an agitator shaft connected to a second end of the hollow gear shaft, and a hyperboloid agitator body according to the invention attached to a third end of the agitator shaft.
  • the proposed stirring and gassing device is simple. It can be assembled quickly. For example, it can be mounted on a raft to circulate and fumigate waters.
  • FIG. 1 is a partially broken perspective view of a hyperboloid stirring body
  • FIG. 3 is a bottom view of FIG. 2,
  • FIG. 5 is a bottom view of FIG. 4 and
  • Fig. 6 is a schematic sectional view through a transmission.
  • a hyperboloid stirring body is attached to a hollow stirring shaft 1.
  • the hyperboloid stirring body has one designated by reference number 2 central connection section.
  • the connection section 2 has a central opening 3 for the passage of air.
  • Reference number 5 denotes an upper shell, from the first upper side 01 of which transport ribs 6 extend.
  • the reference numeral 7 designates a lower shell, from the second upper side 02 of which walls 8 extend.
  • the reference numeral 9 denotes an insert, which is provided downstream of the opening 3 and forms an air distribution space 4.
  • the insert 9 is designed in the manner of a conical cup and has a plurality of air distribution openings 10 on its peripheral wall. Each of the air distribution openings 10 opens into an air duct 11 formed by adjacent walls 8 and the upper shell 5 and the lower shell 7.
  • On a second underside U2 of the lower shell 7 shear ribs 12 are attached to the peripheral edge.
  • FIG. 2 shows a top view of the first upper side 01 of the upper shell.
  • the transport ribs extending from the first top side 01 can be seen, which first run from the opening 3 in a radial direction and then bend towards the peripheral edge U in a tangential direction. Furthermore, the insert 9 downstream of the opening 3 with the air distribution openings 10 can be seen.
  • FIG. 3 shows a bottom view according to FIG. 2.
  • the transport ribs 6 in the form of depressions can be seen on a first underside U1 of the upper shell 5.
  • Fig. 4 shows a plan view of the second upper side 02 of the lower shell 7.
  • the lower shell 7 is formed in its center, ie opposite the opening 3 provided in the upper shell 5, closed.
  • the walls 8 extend from the second upper side 02.
  • the walls 8 run - similar to the trans port ribs 6 - initially from the center in a radial direction and then bend in a substantially tangential direction towards the peripheral edge U.
  • the holding devices 13 serve - as can be seen in particular with FIG. 5 explained below - for receiving and fastening the shear ribs 12
  • FIG. 5 shows a bottom view according to FIG. 4.
  • the walls 8 can be seen in the form of depressions.
  • an air outlet opening 14 is provided between two adjacent Hal te facilities 13 and two adjacent shear ribs 12.
  • Fig. 6 shows a schematic sectional view through a gear 16, which is drivingly connected to a motor 15.
  • the transmission 16 has a transmission shaft 17, the first end of which is connected to an air supply line 18.
  • a blower connected to the air supply line 18 is not shown here.
  • a second end E2 of the hollow transmission shaft 17 is connected to the hollow agitator shaft 1.
  • a third end E3 of the hollow stirring shaft 1 is connected to the hyperboloid stirring body shown in FIGS. 1 to 5.
  • FIGS. 1 and 6 stirring and Begasungsein direction can for example be attached to a raft 19 (see Fig. 6).
  • a body of water for example a pond, lake or the like, to be efficiently circulated and gassed.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Water Treatment By Sorption (AREA)
PCT/EP2019/083096 2018-12-03 2019-11-29 Hyperboloid-rührkörper zum umwälzen von flüssigkeiten sowie rühr- und begasungseinrichtung Ceased WO2020114907A1 (de)

Priority Applications (13)

Application Number Priority Date Filing Date Title
CN201980064529.0A CN113423490B (zh) 2018-12-03 2019-11-29 用于循环液体的双曲面型搅拌器以及搅拌和气体处理装置
BR112021006550A BR112021006550A2 (pt) 2018-12-03 2019-11-29 corpo agitador hiperboloide para circulação de líquidos, e dispositivo agitador e gaseificador
IL281692A IL281692B2 (en) 2018-12-03 2019-11-29 Hyperboloid agitator for circulating liquids, and agitating and gassing device
JP2021531642A JP7520009B2 (ja) 2018-12-03 2019-11-29 液体循環用の双曲面撹拌体と、撹拌およびガス発生装置
US17/279,356 US11731090B2 (en) 2018-12-03 2019-11-29 Hyperboloid agitator for circulating liquids, and agitating and gassing device
MX2021003937A MX2021003937A (es) 2018-12-03 2019-11-29 Agitador hiperboloide para circular liquidos y dispositivo de agitacion y gasificacion.
ES19813479T ES2928354T3 (es) 2018-12-03 2019-11-29 Elemento agitador hiperboloide para hacer circular líquidos y dispositivo de agitación y gasificación
EP19813479.3A EP3849694B1 (de) 2018-12-03 2019-11-29 Hyperboloid-rührkörper zum umwälzen von flüssigkeiten sowie rühr- und begasungseinrichtung
DK19813479.3T DK3849694T3 (da) 2018-12-03 2019-11-29 Hyperboloide-rørelegeme til cirkulering af væsker samt røre- og begasningsanordning
KR1020217016631A KR102771242B1 (ko) 2018-12-03 2019-11-29 액체를 순환시키기 위한 쌍곡면 교반기 몸체, 및 교반기 및 가스발생 장치
CA3114834A CA3114834A1 (en) 2018-12-03 2019-11-29 Hyperboloid agitator for circulating liquids, and agitating and gassing device
PL19813479.3T PL3849694T3 (pl) 2018-12-03 2019-11-29 Korpus mieszadła hiperboloidalnego do przetaczania cieczy oraz urządzenie do mieszania i gazowania
ZA2021/01963A ZA202101963B (en) 2018-12-03 2021-03-24 Hyperboloid agitator for circulating liquids, and agitating and gassing device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE202018106871 2018-12-03
DE202018106871.7 2018-12-03
DE102019101416.6 2019-01-21
DE102019101416.6A DE102019101416B4 (de) 2018-12-03 2019-01-21 Hyperboloid-Rührkörper zum Umwälzen von Flüssigkeiten sowie Rühr- und Begasungseinrichtung

Publications (1)

Publication Number Publication Date
WO2020114907A1 true WO2020114907A1 (de) 2020-06-11

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Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP2019/083096 Ceased WO2020114907A1 (de) 2018-12-03 2019-11-29 Hyperboloid-rührkörper zum umwälzen von flüssigkeiten sowie rühr- und begasungseinrichtung
PCT/EP2019/083097 Ceased WO2020114908A1 (de) 2018-12-03 2019-11-29 Vorrichtung zum belüften von gewässern

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PCT/EP2019/083097 Ceased WO2020114908A1 (de) 2018-12-03 2019-11-29 Vorrichtung zum belüften von gewässern

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US (2) US11484848B2 (enExample)
EP (2) EP3849694B1 (enExample)
JP (2) JP7520009B2 (enExample)
KR (2) KR102771242B1 (enExample)
CN (2) CN113490544B (enExample)
BR (1) BR112021006550A2 (enExample)
CA (2) CA3114834A1 (enExample)
DE (2) DE102019101416B4 (enExample)
DK (2) DK3849694T3 (enExample)
ES (2) ES2928354T3 (enExample)
HU (2) HUE060200T2 (enExample)
IL (2) IL281692B2 (enExample)
MX (2) MX2021003937A (enExample)
PL (2) PL3849694T3 (enExample)
TW (2) TWI831876B (enExample)
WO (2) WO2020114907A1 (enExample)
ZA (1) ZA202101963B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113478864A (zh) * 2021-07-02 2021-10-08 南京科技职业学院 一种双曲面叶轮的制作方法
US11484848B2 (en) 2018-12-03 2022-11-01 Invent Umwelt—Und Verfahrenstechnik Ag Apparatus for aerating bodies of water

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CN111389299A (zh) * 2020-04-23 2020-07-10 西安煤科动力科技有限公司 一种压滤煤泥分散式制浆机
KR102623018B1 (ko) * 2022-06-19 2024-01-10 황희두 수처리용 멀티 구동 교반기
KR102734019B1 (ko) * 2022-12-12 2024-11-25 안성만 전동공구 연결형 교반기구
CN115849582B (zh) * 2022-12-13 2023-07-07 浙江长城搅拌设备股份有限公司 一种污水处理用搅拌曝气装置

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