BE841825A - DEVICE FOR INCORPORATING GASES IN LIQUIDS AND / OR ELIMINATE FOAM FROM THE SURFACE OF THESE LATTERS - Google Patents

DEVICE FOR INCORPORATING GASES IN LIQUIDS AND / OR ELIMINATE FOAM FROM THE SURFACE OF THESE LATTERS

Info

Publication number
BE841825A
BE841825A BE167024A BE167024A BE841825A BE 841825 A BE841825 A BE 841825A BE 167024 A BE167024 A BE 167024A BE 167024 A BE167024 A BE 167024A BE 841825 A BE841825 A BE 841825A
Authority
BE
Belgium
Prior art keywords
emi
liquid
fan
housing
rotor
Prior art date
Application number
BE167024A
Other languages
French (fr)
Inventor
G Velebil
Original Assignee
Janke & Kunkel Kg
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 DE19762618838 priority Critical patent/DE2618838A1/en
Priority to FR7615148A priority patent/FR2351562A7/en
Application filed by Janke & Kunkel Kg filed Critical Janke & Kunkel Kg
Priority to BE167024A priority patent/BE841825A/en
Publication of BE841825A publication Critical patent/BE841825A/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C3/00—Treating manure; Manuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/02—Foam dispersion or prevention
    • 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
    • B01F23/2334—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer
    • B01F23/23341—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer with tubes surrounding the stirrer
    • 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
    • B01F23/23363—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 above the stirrer
    • 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
    • B01F27/25—Mixers with both stirrer and drive unit submerged in the material being mixed
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/14—Activated sludge processes using surface aeration
    • C02F3/16—Activated sludge processes using surface aeration the aerator having a vertical axis
    • C02F3/165—Activated sludge processes using surface aeration the aerator having a vertical axis using vertical aeration channels
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/20—Activated sludge processes using diffusers
    • C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/066—Floating-units
    • 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
    • B01F27/80—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
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/503—Floating mixing devices
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Soil Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Description

       

   <EMI ID=1.1> 

  
face d'un liquida, avec un ventilateur de circulation ou autre appareil similaire plongeant dans le liquidât un conduit disposé

  
 <EMI ID=2.1> 

  
bre entre lui et le rotor du ventilateur, et un moteur pour l'ontraînement en rotation du ventilateur. 

  
 <EMI ID=3.1> 

  
teur de circulation, un arbre d'entraînement et un conduit diapo-

  
 <EMI ID=4.1> 

  
nière générale, le moteur d'entraînement de ce ventilateur se  trouve au-dessus du niveau du liquide et nécessite un arbre dont la longueur et le nombre de paliers sont relativement grands.

  
 <EMI ID=5.1> 

  
teux et son rendement est médiocre.

  
L'invention a donc pour objet de réaliser un disposi-

  
 <EMI ID=6.1> 

  
te quelle profondeur, bien que le coût de sa fabrication soit mo-

  
 <EMI ID=7.1> 

  
plications les plus diverses, et ne nécessitant pas de moteurs spéciaux coûteux.

  
A cet effet, dans le dispositif selon l'invention,.il est prévu pour recevoir le moteur un carter étanche aux liquides, dont une partie au moins se trouve au-dessous du niveau du liquide. et qui comporte au moins une communication avec l'air libre, munie d'une ouverture au-dessus du niveau du liquide. On peut,

  
 <EMI ID=8.1> 

  
 <EMI ID=9.1> 

  
 <EMI ID=10.1> 

  
 <EMI ID=11.1> 

  
d'adapter le dispositif aux applications les plus diverses, noces*

  
 <EMI ID=12.1> 

  
 <EMI ID=13.1> 

  
 <EMI ID=14.1> 

  
 <EMI ID=15.1> 

  
 <EMI ID=16.1>   <EMI ID=17.1> 

  
tie de ce dernier, ce qui évite le recours à des paliers supplé-

  
 <EMI ID=18.1> 

  
sible en raison de la combinaison des caractéristiques précitées.

  
On obtient une construction compacte et avantageuse lorsque le moteur et son carter, en position de fonctionnement 

  
 <EMI ID=19.1> 

  
des gaz* 

  
 <EMI ID=20.1> 

  
rendement ou dans Jeu applications nécessitant le plus souvent une grande profondeur d'immersion, le moteur peut porter sur un  second bout d'arbre une pale de ventilateur supplémentaire qui améliore son refroidissement. Cet agencement est avantageux aussi

  
 <EMI ID=21.1> 

  
tion ayant une température élevée. 

  
On obtient une forme d'exécution intéressante en disposant un flotteur sur la face externe du dispositif, de préférence sur celle du conduit des gaz. Le dispositif peut alors de façon simple être placer la surface do n'importe quelle nappe liquide, ainsi que clans des eaux courantes et des bassins de décantation naturels ou autres. Le flotteur peut en outre être monté 

  
de manière amovible et réglable en hauteur sur le dispositif. Ce-

  
 <EMI ID=22.1> 

  
immersion différentes. 

  
 <EMI ID=23.1>  <EMI ID=24.1> 

  
monte assemblables qui, par. leur jonction. peuvent être serrés

  
 <EMI ID=25.1> 

  
ci de façon positive. On obtient ainsi une construction particu- .

  
 <EMI ID=26.1> 

  
 <EMI ID=27.1> 

  
Dans une forme d'exécution avantageuse et particulièrement intéressante, on peut disposer sur le capot du ventilateur <EMI ID=28.1> 

  
rieur du carter qui s'élève Jusqu'au-dessus de la surface du liquide, une conduite d'aspiration de l'air de refroidissement, qui

  
 <EMI ID=29.1> 

  
eau, l'air ayant servi au refroidissement du moteur s'échappant

  
 <EMI ID=30.1>  

  
duite constituée notamment par un tube rigide, et la paroi du car- 

  
 <EMI ID=31.1> 

  
 <EMI ID=32.1> 

  
ticulier dans le cas de l'élimination de la mousse, il est avant.  geux que le conduit d'amenée des gaz, au-dessus du rotor ou d'un  tube cylindrique délimité vers le bas par le ventilateur de cir- ;  culation, s'évase en forme d'entonnoir en direction de la surface  du liquide. Comme la profondeur d'immersion du dispositif est ré-  glable il devient alors possible de régler la position du bord  supérieur de cet entonnoir relativement à une couche de mousse 

  
 <EMI ID=33.1> 

  
 <EMI ID=34.1> 

  
térieur du liquide, où elle'peut être détruite. Par rapport à un 

  
 <EMI ID=35.1> 

  
tonnoir présente l'avantage de permettre d'agir simultanément sur  une plus grande partie de la surface du liquide. 

  
 <EMI ID=36.1> 

  
téressante du dispositif selon l'invention, celui-ci présente au  moins trois pieds qui s'étendent plus bas que le ventilateur de  circulation et son rotor et servent de butées par rapport au fond  d'un réservoir. Ces pieds empêchent que lorsque le niveau du liquide descend ou lorsque la hauteur de remplissage varie continuellement, le ventilateur vienne toucher le fond du réservoir et que

  
le dispositif se trouve alors en équilibre instable. Il.protègent  surtout le ventilateur contre les détériorations qui pourraient  intervenir de ce fait.. 

  
Au moins un et, de. préférence, deux de ces pieds peu- 

  
 <EMI ID=37.1> 

  
' guidage qui se dressent depuis le fond du réservoir du liquide  : "jusqu'au-dessus du niveau de ce dernier. Ces tiges de guidage per-. = mettent d'immobiliser le dispositif en un endroit déterminé et d'empêcher sa rotation en cours de fonctionnement. En ce .qui con! cerne ces tiges, le dispositif peut toutefois, par exemple s'il ; flotte, accompagner librement les fluctuations du niveau du liqui: de, jusqu'à ce que ses pieds touchent le fond du réservoir lorsque le niveau descend au-dessous d'une certaine hauteur. 

  
Pour pouvoir varier la profondeur d'immersion, il peut  ; être avantageux de pouvoir modifier la dimension du carter et/ou  ! du conduit d'amenée des gaz dans le sens vertical. Le carter et/ ou le conduit peuvent être télescopiques ou présenter sur leur 

  
 <EMI ID=38.1>  bord supérieur une bride pour le montage étanche d'une rallonge.. 

  
 <EMI ID=39.1> 

  
dividuelles ou les combinaisons de caractéristiques qui viennent 

  
 <EMI ID=40.1> 

  
 <EMI ID=41.1> 

  
souplesse d'emploi, qu'il s'agisse de l'élimination de la mous 0 

  
ou de l'incorporation d'air ou autres gaz aux liquider les plus  divers. En raison précisément de la simplicité de sa construction  et de son adaptabilité aux conditions de services les plus varia-  blés, ce dispositif peut être utilisé aussi bien dans des eaux  libres qu'à l'intérieur de récipients de types très différents. 

  
De toute façon, l'invention sera bien comprise à l'ai- 

  
de de la description qui suit, en référence au dessin schématique annexé, représentant,* à titre d'exemples non limitatifs. plusieurs formes d'exécution de ce dispositifs 

  
 <EMI ID=42.1> 

  
mière forme d'exécution du dispositif selon l'invention, de forme générale carrée; 

  
 <EMI ID=43.1> 

  
 <EMI ID=44.1> 

  
placé dans un réservoir; 

  
 <EMI ID=45.1> 

  
une variante de réalisation du dispositif, de forme cylindrique;

  
 <EMI ID=46.1> 

  
 <EMI ID=47.1> 

  
me d'exécution pour grandes profondeurs d'immersion. 

  
 <EMI ID=48.1>  <EMI ID=49.1> 

  
 <EMI ID=50.1> 

  
exécution représentées de ce dispositif ont en commun qu'elles comportent un ventilateur de circulation 2. plongeant dans le li-

  
 <EMI ID=51.1> 

  
nement 4 du ventilateur et se terminant à une certaine distance

  
 <EMI ID=52.1> 

  
; libre 6 (cf. fig. 4 et 6), et un moteur 8 pour entraîner en rotation le ventilateur.  Selon l'invention, il est prévu pour recevoir le mo- 

  
 <EMI ID=53.1>  

  
 <EMI ID=54.1> 

  
 <EMI ID=55.1> 

  
boutit à la surface du liquide, mais dans toutes les formes d' exécution représentées, elle est prévue sur un prolongement du 

  
 <EMI ID=56.1> 

  
 <EMI ID=57.1> 

  
 <EMI ID=58.1> 

  
 <EMI ID=59.1> 

  
 <EMI ID=60.1> 

  
atmosphère* Comme il a été dit plus haut, les parois verticales

  
 <EMI ID=61.1> 

  
On peut voir aux fig. 4 et 6 que le rotor 7 du ventila-

  
 <EMI ID=62.1> 

  
arbre qui s'identifie donc avec l'arbre d'entraînement du rotor. Ceci évite de recourir à des paliers supplémentaires. Cette construction est rendue possible par le fait que le moteur! peut, grâce à l'agencement du dispositif selon l'invention, être placé très près du rotor. On peut cependant utiliser comme moteur 8 n' importe quel moteur.électrique ou machine similaire, étant donné qu'il est soustrait a l'action du liquide. En outre, le moteur ,8 et son carter &#65533;, en position de fonctionnement au-dessus du ven-

  
 <EMI ID=63.1> 

  
gaz 3 Dans une forme d'exécution non représentée, le moteur peut porter sur un second bout d'arbre, dépassant à l'extrémité opposée, une pale de ventilateur supplémentaire pour améliorer l'effet de refroidissement, lorsque la profondeur d'immersion est importante. 

  
Dans les formes d'exécution représentées aux fig. 3 et

  
 <EMI ID=64.1> 

  
 <EMI ID=65.1> 

  
 <EMI ID=66.1> 

  
hauteur sur le dispositif. Dans la forme d'exécution représenté à la fig. 4, il a une forme de couronne, mais il pourrait aussi

  
 <EMI ID=67.1> 

  
que lorsque le dispositif 1 a une section rectangulaire ou car- 

  
 <EMI ID=68.1> 

  
quatre faces. Lorsque le flotteur ,13, est en forme de couronne, i  il peut être avantageusement composé de deux demi-couronnes ap-  tes à être assemblées et qui, par leur jonction, sont fixées à  la face externe du dispositif 1 qu'elles enserrent ou à laquelle  <EMI ID=69.1> 

  
positive. Grâce à ce flotteur, le dispositif peut, comme le mon- 

  
 <EMI ID=70.1> 

  
 <EMI ID=71.1> 

  
rieur du conduit 1 d'amenée des gaz par des entretoises 14 ou 

  
 <EMI ID=72.1> 

  
 <EMI ID=73.1> 

  
forces dynamiques, sans préjudice notable pour l'amenée de l'air 

  
 <EMI ID=74.1> 

  
 <EMI ID=75.1> 

  
 <EMI ID=76.1> 

  
 <EMI ID=77.1> 

  
tion de passage des gaz.. 

  
 <EMI ID=78.1> 

  
 <EMI ID=79.1> 

  
teur électrique utilisé comme moteur d'entraînement 8, une condui-

  
 <EMI ID=80.1> 

  
 <EMI ID=81.1> 

  
dessus de la surface du liquide, l'air qui a servi à refroidir le

  
 <EMI ID=82.1> 

  
espace compris entre la paroi 12 du carter et ladite conduite d'

  
 <EMI ID=83.1> 

  
geusement un tube rigide. :

  
 <EMI ID=84.1> 

  
 <EMI ID=85.1> 

  
cet agencement permet un refroidissement suffisamment efficace

  
 <EMI ID=86.1> 

  
gaz de combustion par la couche d'air contenu dans l'espace annu-

  
 <EMI ID=87.1> 

  
 <EMI ID=88.1> 

  
Il convient encore de mentionner que l'arbre 4 d'en-  trainemont du rotor [pound] du ventilateur 2. et ce rotor lui-même peuvent ne former qu'une seule pièce et être moulés en matière plas-  tique. Ceci simplifie encore davantage la fabrication.  Dans toutes les formes d'exécution, il est prévu que 

  
 <EMI ID=89.1> 

  
 <EMI ID=90.1> 

  
forme d'entonnoir en direction de la surface du liquide, des pa- 

  
 <EMI ID=91.1> 

  
Comme il a été expliqué plus haut, on obtient une section de pas- <EMI ID=92.1> 

  
 <EMI ID=93.1> 

  
butte en outre une plue grande périphérie de l'ouverture ,10." qui ;

  
 <EMI ID=94.1> 

  
 <EMI ID=95.1> 

  
 <EMI ID=96.1> 

  
 <EMI ID=97.1> 

  
 <EMI ID=98.1> 

  
 <EMI ID=99.1> 

  
 <EMI ID=100.1> 

  
 <EMI ID=101.1> 

  
 <EMI ID=102.1> 

  
 <EMI ID=103.1> 

  
movible 20, le dispositif pouvant être introduit soit en démon- , 

  
 <EMI ID=104.1> 

  
 <EMI ID=105.1> 

  
 <EMI ID=106.1> 

  
 <EMI ID=107.1> 

  
 <EMI ID=108.1> 

  
 <EMI ID=109.1> 

  
 <EMI ID=110.1> 

  
 <EMI ID=111.1> 

  
tre 1* ensemble de la construction et l'empêcher de tourner sur 

  
 <EMI ID=112.1> 

  
obtenir une fabrication en série aussi bon Marché que possible,

  
 <EMI ID=113.1> 

  
 <EMI ID=114.1> 

  
 <EMI ID=115.1> 

  
 <EMI ID=116.1> 

  
coulisser aisément sur les tiges de guidage lorsque le niveau du .. liquide varie, sans qu'il se mette à tourner sur lui-même ou que

  
 <EMI ID=117.1> 

  
 <EMI ID=118.1> 

  
tenues en place par le couvercle amovible 'Un autre type de fixation de.-ces tiges au-dessus de la surface du liquide est ce- , pendant possible. 

  
 <EMI ID=119.1> 

  
respectivement aux :tige 4 et 6 peuvent être conformés de la même ' manière. 

  
 <EMI ID=120.1>  

  
 <EMI ID=121.1> 

  
 <EMI ID=122.1> 

  
 <EMI ID=123.1> 

  
 <EMI ID=124.1> 

  
 <EMI ID=125.1> 

  
 <EMI ID=126.1> 

  
 <EMI ID=127.1> 

  
 <EMI ID=128.1> 

  
à introduire dans le liquide. On obtient au total, en particulier  en combinant plusieurs des caractéristiques individuelles ou des 

  
 <EMI ID=129.1> 

  
 <EMI ID=130.1> 

  
 <EMI ID=131.1> 

  
 <EMI ID=132.1> 

  
et sa construction soient particulièrement onéreuses. Ces carae-

  
 <EMI ID=133.1> 

  
 <EMI ID=134.1> 

  
un entretien pratiquement nul et d'une grande souplesse d'emploi* Elles éliminent, d'une manière simple et avantageuse, la nécessi-

  
 <EMI ID=135.1> 

  
 <EMI ID=136.1> 

  
pour un arbre d'entraînement obligatoirement long. Au contraire,

  
 <EMI ID=137.1> 

  
tort le centra de gravita de l'ensemble du dispositif se trouve place très bas, de sorte que ce dernier, lorsqu'il est muni de

  
 <EMI ID=138.1> 

  
très "table. 

  
 <EMI ID=139.1> 

  
 <EMI ID=140.1> 

  
 <EMI ID=141.1> 

  
 <EMI ID=142.1> 

  
 <EMI ID=143.1>  

  
 <EMI ID=144.1> 

  
 <EMI ID=145.1> 

  
et/ou éliminer la inouïe* 4'% la surface d'un liquidât comportant un; ventilateur de circulation ou autre appareil similaire plongeant , 

  
 <EMI ID=146.1> 

  
 <EMI ID=147.1> 

  
termine de façon à ménager un espace libre entre lui et le rotor 

  
 <EMI ID=148.1> 

  
 <EMI ID=149.1> 

  
teur un carter .6 tanche aux liquides, dont une partie au moine se  trouve au-dessous du niveau du liquide et qui comporte au moine un système de communication avec l'air libre, muni d'une ouverture au-dessus du niveau du liquide.



   <EMI ID = 1.1>

  
face of a liquid, with a circulation fan or other similar device plunging into the liquidate a duct arranged

  
 <EMI ID = 2.1>

  
bre between it and the fan rotor, and a motor for rotating the fan.

  
 <EMI ID = 3.1>

  
circulation motor, a drive shaft and a slide duct

  
 <EMI ID = 4.1>

  
In general, the drive motor of this fan is located above the liquid level and requires a shaft whose length and number of bearings are relatively large.

  
 <EMI ID = 5.1>

  
two and its performance is poor.

  
The object of the invention is therefore to provide a device

  
 <EMI ID = 6.1>

  
what depth, although the cost of its manufacture is moderate

  
 <EMI ID = 7.1>

  
the most diverse plications, and not requiring expensive special motors.

  
To this end, in the device according to the invention, .it is provided to receive the motor a liquid-tight casing, at least part of which is located below the level of the liquid. and which comprises at least one communication with the free air, provided with an opening above the level of the liquid. We can,

  
 <EMI ID = 8.1>

  
 <EMI ID = 9.1>

  
 <EMI ID = 10.1>

  
 <EMI ID = 11.1>

  
to adapt the device to the most diverse applications, weddings *

  
 <EMI ID = 12.1>

  
 <EMI ID = 13.1>

  
 <EMI ID = 14.1>

  
 <EMI ID = 15.1>

  
 <EMI ID = 16.1> <EMI ID = 17.1>

  
of the latter, which avoids the need for additional

  
 <EMI ID = 18.1>

  
sible due to the combination of the above characteristics.

  
A compact and advantageous construction is obtained when the motor and its housing, in the operating position

  
 <EMI ID = 19.1>

  
gases*

  
 <EMI ID = 20.1>

  
performance or in applications which most often require a great depth of immersion, the motor can carry an additional fan blade on a second shaft end which improves its cooling. This arrangement is also advantageous

  
 <EMI ID = 21.1>

  
tion having a high temperature.

  
An interesting embodiment is obtained by placing a float on the external face of the device, preferably on that of the gas duct. The device can then easily be placed on the surface of any liquid table, as well as in running water and natural or other settling basins. The float can also be mounted

  
removable and adjustable in height on the device. This-

  
 <EMI ID = 22.1>

  
different immersion.

  
 <EMI ID = 23.1> <EMI ID = 24.1>

  
assembled assemblies which, by. their junction. can be tight

  
 <EMI ID = 25.1>

  
this in a positive way. A particular construction is thus obtained.

  
 <EMI ID = 26.1>

  
 <EMI ID = 27.1>

  
In an advantageous and particularly advantageous embodiment, it is possible to place on the cover of the fan <EMI ID = 28.1>

  
inside the crankcase, which rises above the surface of the liquid, a suction line for cooling air, which

  
 <EMI ID = 29.1>

  
water, the air used for cooling the engine escaping

  
 <EMI ID = 30.1>

  
pick consisting in particular of a rigid tube, and the wall of the

  
 <EMI ID = 31.1>

  
 <EMI ID = 32.1>

  
tparticular in the case of the elimination of the foam, it is before. geux as the gas supply duct, above the rotor or a cylindrical tube delimited downwards by the circulating fan; culation, widens in a funnel shape towards the surface of the liquid. As the immersion depth of the device is adjustable, it then becomes possible to adjust the position of the upper edge of this funnel relative to a layer of foam.

  
 <EMI ID = 33.1>

  
 <EMI ID = 34.1>

  
of the liquid, where it can be destroyed. Compared to a

  
 <EMI ID = 35.1>

  
tonnoir has the advantage of making it possible to act simultaneously on a larger part of the surface of the liquid.

  
 <EMI ID = 36.1>

  
Interesting device according to the invention, it has at least three feet which extend lower than the circulation fan and its rotor and serve as stops with respect to the bottom of a tank. These feet prevent when the liquid level drops or when the filling height varies continuously, the fan comes into contact with the bottom of the tank and

  
the device is then in unstable equilibrium. Above all, they protect the fan against damage which could occur as a result.

  
At least one and, of. preferably two of these feet can

  
 <EMI ID = 37.1>

  
'guide which rise from the bottom of the liquid tank: "to above the level of the latter. These guide rods make it possible to immobilize the device in a determined place and prevent its rotation in With regard to these rods, however, the device may, for example if it floats, freely accompany fluctuations in the level of the liquid, until its feet touch the bottom of the tank when the level drops below a certain height.

  
To be able to vary the depth of immersion, it can; be advantageous to be able to change the size of the housing and / or! of the gas supply duct in the vertical direction. The housing and / or the duct can be telescopic or present on their

  
 <EMI ID = 38.1> upper edge a flange for waterproof mounting of an extension.

  
 <EMI ID = 39.1>

  
dividual or the combinations of characteristics that come

  
 <EMI ID = 40.1>

  
 <EMI ID = 41.1>

  
flexibility of use, whether it is the elimination of soft 0

  
or the incorporation of air or other gases to the most diverse liquids. Precisely because of the simplicity of its construction and its adaptability to the most varied service conditions, this device can be used both in open water and inside containers of very different types.

  
In any event, the invention will be well understood by reference to

  
of the following description, with reference to the attached schematic drawing, showing, * by way of non-limiting examples. several embodiments of this device

  
 <EMI ID = 42.1>

  
first embodiment of the device according to the invention, of generally square shape;

  
 <EMI ID = 43.1>

  
 <EMI ID = 44.1>

  
placed in a tank;

  
 <EMI ID = 45.1>

  
an alternative embodiment of the device, of cylindrical shape;

  
 <EMI ID = 46.1>

  
 <EMI ID = 47.1>

  
execution for great depths of immersion.

  
 <EMI ID = 48.1> <EMI ID = 49.1>

  
 <EMI ID = 50.1>

  
The embodiments of this device shown have in common that they include a circulation fan 2. immersed in the li-

  
 <EMI ID = 51.1>

  
nement 4 of the fan and ending at a certain distance

  
 <EMI ID = 52.1>

  
; free 6 (see fig. 4 and 6), and a motor 8 to drive the fan in rotation. According to the invention, it is designed to receive the mo-

  
 <EMI ID = 53.1>

  
 <EMI ID = 54.1>

  
 <EMI ID = 55.1>

  
butt on the surface of the liquid, but in all the embodiments shown, it is provided on an extension of the.

  
 <EMI ID = 56.1>

  
 <EMI ID = 57.1>

  
 <EMI ID = 58.1>

  
 <EMI ID = 59.1>

  
 <EMI ID = 60.1>

  
atmosphere * As mentioned above, the vertical walls

  
 <EMI ID = 61.1>

  
We can see in fig. 4 and 6 that the fan rotor 7

  
 <EMI ID = 62.1>

  
shaft which is therefore identified with the rotor drive shaft. This avoids having to resort to additional bearings. This construction is made possible by the fact that the engine! can, thanks to the arrangement of the device according to the invention, be placed very close to the rotor. Any electric motor or similar machine can, however, be used as the motor 8, since it is removed from the action of the liquid. In addition, the engine, 8 and its housing &#65533;, in the operating position above the vent

  
 <EMI ID = 63.1>

  
gas 3 In an embodiment not shown, the motor can carry on a second shaft end, projecting at the opposite end, an additional fan blade to improve the cooling effect, when the immersion depth is important.

  
In the embodiments shown in FIGS. 3 and

  
 <EMI ID = 64.1>

  
 <EMI ID = 65.1>

  
 <EMI ID = 66.1>

  
height on the device. In the embodiment shown in FIG. 4, it has a crown shape, but it could also

  
 <EMI ID = 67.1>

  
that when the device 1 has a rectangular or square section

  
 <EMI ID = 68.1>

  
four sides. When the float, 13, is in the form of a crown, i it can advantageously be composed of two half-rings capable of being assembled and which, by their junction, are fixed to the external face of the device 1 which they enclose or where <EMI ID = 69.1>

  
positive. Thanks to this float, the device can, like the mon-

  
 <EMI ID = 70.1>

  
 <EMI ID = 71.1>

  
laughing of the gas supply duct 1 by spacers 14 or

  
 <EMI ID = 72.1>

  
 <EMI ID = 73.1>

  
dynamic forces, without noticeable damage to the air supply

  
 <EMI ID = 74.1>

  
 <EMI ID = 75.1>

  
 <EMI ID = 76.1>

  
 <EMI ID = 77.1>

  
gas passage.

  
 <EMI ID = 78.1>

  
 <EMI ID = 79.1>

  
electric motor used as the drive motor 8, one driver

  
 <EMI ID = 80.1>

  
 <EMI ID = 81.1>

  
above the surface of the liquid, the air used to cool the

  
 <EMI ID = 82.1>

  
space between the wall 12 of the housing and said pipe

  
 <EMI ID = 83.1>

  
carefully a rigid tube. :

  
 <EMI ID = 84.1>

  
 <EMI ID = 85.1>

  
this arrangement allows sufficiently efficient cooling

  
 <EMI ID = 86.1>

  
combustion gas by the layer of air contained in the annulus

  
 <EMI ID = 87.1>

  
 <EMI ID = 88.1>

  
It should also be mentioned that the drive shaft 4 of the rotor [pound] of the fan 2 and this rotor itself may form a single piece and be molded from plastic. This further simplifies the manufacture. In all embodiments, it is expected that

  
 <EMI ID = 89.1>

  
 <EMI ID = 90.1>

  
funnel-shaped towards the surface of the liquid,

  
 <EMI ID = 91.1>

  
As explained above, we get a section of pas- <EMI ID = 92.1>

  
 <EMI ID = 93.1>

  
further abuts a greater periphery of the opening, 10. "which;

  
 <EMI ID = 94.1>

  
 <EMI ID = 95.1>

  
 <EMI ID = 96.1>

  
 <EMI ID = 97.1>

  
 <EMI ID = 98.1>

  
 <EMI ID = 99.1>

  
 <EMI ID = 100.1>

  
 <EMI ID = 101.1>

  
 <EMI ID = 102.1>

  
 <EMI ID = 103.1>

  
movible 20, the device being able to be introduced either in demon-,

  
 <EMI ID = 104.1>

  
 <EMI ID = 105.1>

  
 <EMI ID = 106.1>

  
 <EMI ID = 107.1>

  
 <EMI ID = 108.1>

  
 <EMI ID = 109.1>

  
 <EMI ID = 110.1>

  
 <EMI ID = 111.1>

  
be 1 * whole construction and prevent it from turning on

  
 <EMI ID = 112.1>

  
obtain mass production as inexpensively as possible,

  
 <EMI ID = 113.1>

  
 <EMI ID = 114.1>

  
 <EMI ID = 115.1>

  
 <EMI ID = 116.1>

  
slide easily on the guide rods when the level of the .. liquid varies, without it starting to turn on itself or

  
 <EMI ID = 117.1>

  
 <EMI ID = 118.1>

  
Held in place by the removable cover. Another type of attachment of these rods above the liquid surface is possible.

  
 <EMI ID = 119.1>

  
respectively to: rod 4 and 6 can be shaped in the same way.

  
 <EMI ID = 120.1>

  
 <EMI ID = 121.1>

  
 <EMI ID = 122.1>

  
 <EMI ID = 123.1>

  
 <EMI ID = 124.1>

  
 <EMI ID = 125.1>

  
 <EMI ID = 126.1>

  
 <EMI ID = 127.1>

  
 <EMI ID = 128.1>

  
to be introduced into the liquid. In total, in particular by combining several of the individual characteristics or

  
 <EMI ID = 129.1>

  
 <EMI ID = 130.1>

  
 <EMI ID = 131.1>

  
 <EMI ID = 132.1>

  
and its construction are particularly expensive. These carae-

  
 <EMI ID = 133.1>

  
 <EMI ID = 134.1>

  
virtually no maintenance and great flexibility of use * They eliminate, in a simple and advantageous way, the need for

  
 <EMI ID = 135.1>

  
 <EMI ID = 136.1>

  
for a necessarily long drive shaft. On the contrary,

  
 <EMI ID = 137.1>

  
wrongly, the centra de gravita of the whole device is placed very low, so that the latter, when it is fitted with

  
 <EMI ID = 138.1>

  
very "table.

  
 <EMI ID = 139.1>

  
 <EMI ID = 140.1>

  
 <EMI ID = 141.1>

  
 <EMI ID = 142.1>

  
 <EMI ID = 143.1>

  
 <EMI ID = 144.1>

  
 <EMI ID = 145.1>

  
and / or eliminate the incredible * 4% the surface of a liquidate comprising a; circulation fan or other similar submerged device,

  
 <EMI ID = 146.1>

  
 <EMI ID = 147.1>

  
ends in such a way as to leave a free space between it and the rotor

  
 <EMI ID = 148.1>

  
 <EMI ID = 149.1>

  
housing a liquid-tight housing .6, part of which is located below the level of the liquid and which comprises a system of communication with the open air, provided with an opening above the level of the liquid .

Claims (1)

<EMI ID=150.1> <EMI ID = 150.1> en ce que les parois verticales du carter dans lequel est loge le moteur s'élèvent jusqu'au-dessus de la surface du liquide. in that the vertical walls of the housing in which the motor is housed rise above the surface of the liquid. <EMI ID=151.1> <EMI ID = 151.1> <EMI ID=152.1> <EMI ID = 152.1> <EMI ID=153.1> <EMI ID = 153.1> teur. tor. 4.- Dispositif selon l'une quelconque des revendiea- 4.- Device according to any one of the claims <EMI ID=154.1> <EMI ID = 154.1> <EMI ID=155.1> <EMI ID = 155.1> <EMI ID=156.1> <EMI ID = 156.1> <EMI ID=157.1> <EMI ID = 157.1> <EMI ID=158.1> <EMI ID = 158.1> bout d'arbre une pale supplémentaire de ventilateur, shaft end an additional fan blade, <EMI ID=159.1> <EMI ID = 159.1> <EMI ID=160.1> <EMI ID = 160.1> <EMI ID=161.1> <EMI ID = 161.1> menée des gaz. conducted gas. <EMI ID=162.1> <EMI ID = 162.1> en ce que le flotteur est monté amovible et de préférence régla- ; in that the float is mounted removable and preferably adjustable; <EMI ID=163.1> <EMI ID = 163.1> <EMI ID=164.1> <EMI ID = 164.1> <EMI ID=165.1> <EMI ID = 165.1> laire ou sphérique. laire or spherical. <EMI ID=166.1> <EMI ID = 166.1> <EMI ID=167.1> <EMI ID = 167.1> moins deux segments de couronne assemblables, qui, par leur jonc- <EMI ID=168.1> at least two assemblable crown segments, which, by their ring- <EMI ID = 168.1> elle de façon positive. it in a positive way. <EMI ID=169.1> <EMI ID = 169.1> <EMI ID=170.1> <EMI ID = 170.1> entretoises ou autres éléments de liaison prenant appui sur ce dernier. spacers or other connecting elements resting on the latter. <EMI ID=171.1> <EMI ID = 171.1> <EMI ID=172.1> <EMI ID = 172.1> diapo.'. à 1 "intérieur du carter et, comme lui, dépassant au-des; sur de la surface du liquide, et en ce que l'air ayant servi au slide. '. inside the crankcase and, like it, protruding above the surface of the liquid, and in that the air used for <EMI ID=173.1> <EMI ID = 173.1> par l'espace annulaire compris entre la paroi verticale du cartor et la conduite d'aspiration, qui est avantageusement un tube riaide. by the annular space between the vertical wall of the cartor and the suction pipe, which is advantageously a riaide tube. i2. - Dispositif selon l'une quelconque des revendica- i2. - Device according to any one of the claims <EMI ID=174.1> <EMI ID = 174.1> <EMI ID=175.1> <EMI ID = 175.1> ce et 'sont avantageusement moulés dans une matière plastique. this and 'are advantageously molded in a plastic material. <EMI ID=176.1> <EMI ID = 176.1> <EMI ID=177.1> <EMI ID = 177.1> <EMI ID=178.1> <EMI ID = 178.1> par le ventilateur, " "évase en forme d'entonnoir en direction de ; la surface du liquide. by the fan, "" flares in a funnel shape towards; the surface of the liquid. <EMI ID=179.1> <EMI ID = 179.1> <EMI ID=180.1> <EMI ID = 180.1> pieds qui descendent plus bas que le ventilateur et son rotor et : feet lower than the fan and its rotor and: <EMI ID=181.1> <EMI ID = 181.1> <EMI ID=182.1> <EMI ID = 182.1> <EMI ID=183.1> <EMI ID = 183.1> toute leur longueur pour recevoir des tiges de guidage qui, de préférence, s'étendent depuis le fond du réservoir de liquide Jusqu'au-dessus de la surface du liquide. their entire length to receive guide rods which preferably extend from the bottom of the liquid reservoir to above the liquid surface. <EMI ID=184.1> <EMI ID = 184.1> tions précédentes, caractérisé en ce que le carter associé au moteur et/ou le conduit d'amenée des gaz sont réglables en ce qui concerne leur dimension dans le sens vertical. tions, characterized in that the housing associated with the engine and / or the gas supply duct are adjustable as regards their dimension in the vertical direction. <EMI ID=185.1> <EMI ID=186.1> <EMI ID = 185.1> <EMI ID = 186.1> bord supérieur une bride annulaire pour le montage étanche aux liquides 4 lune t'allonge. top edge an annular flange for liquid tight mounting 4 moon lengthens you. <EMI ID=187.1> <EMI ID = 187.1> tions précédentes* caractérise en ce que lorsque sa section est ' rectangulaire, avantageusement carrée, des caissons flottants sont montes sur doux faces opposées au moins. previous tions * characterized in that when its section is' rectangular, preferably square, floating boxes are mounted on soft opposite faces at least.
BE167024A 1976-04-29 1976-05-14 DEVICE FOR INCORPORATING GASES IN LIQUIDS AND / OR ELIMINATE FOAM FROM THE SURFACE OF THESE LATTERS BE841825A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19762618838 DE2618838A1 (en) 1976-04-29 1976-04-29 Gas introduction device for fluids - with aerator drive motor inside floating water tight cylinder
FR7615148A FR2351562A7 (en) 1976-04-29 1976-05-12 Mixing gases with liqs eliminating surface emulsions - by immersed blower with motor in liq-tight box opening above surface
BE167024A BE841825A (en) 1976-04-29 1976-05-14 DEVICE FOR INCORPORATING GASES IN LIQUIDS AND / OR ELIMINATE FOAM FROM THE SURFACE OF THESE LATTERS

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19762618838 DE2618838A1 (en) 1976-04-29 1976-04-29 Gas introduction device for fluids - with aerator drive motor inside floating water tight cylinder
FR7615148A FR2351562A7 (en) 1976-04-29 1976-05-12 Mixing gases with liqs eliminating surface emulsions - by immersed blower with motor in liq-tight box opening above surface
BE167024A BE841825A (en) 1976-04-29 1976-05-14 DEVICE FOR INCORPORATING GASES IN LIQUIDS AND / OR ELIMINATE FOAM FROM THE SURFACE OF THESE LATTERS

Publications (1)

Publication Number Publication Date
BE841825A true BE841825A (en) 1976-09-01

Family

ID=45509830

Family Applications (1)

Application Number Title Priority Date Filing Date
BE167024A BE841825A (en) 1976-04-29 1976-05-14 DEVICE FOR INCORPORATING GASES IN LIQUIDS AND / OR ELIMINATE FOAM FROM THE SURFACE OF THESE LATTERS

Country Status (3)

Country Link
BE (1) BE841825A (en)
DE (1) DE2618838A1 (en)
FR (1) FR2351562A7 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0531660A1 (en) * 1991-07-17 1993-03-17 E + M MASCHINENBAU GmbH Guiding device for submersible stirring device
WO1997011772A1 (en) * 1995-09-27 1997-04-03 Aquasystems International N.V. Apparatus for treating liquids
CN113856535A (en) * 2021-10-21 2021-12-31 刘海娟 Lipstick raw materials hybrid system

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2837002C2 (en) * 1978-08-24 1984-06-14 Anton 7941 Betzenweiler Reck Circulating aerator for a liquid
DE4036192C2 (en) * 1990-11-14 1999-11-04 Gewerk Keramchemie Suction device for removing floating substances
JP3323217B2 (en) * 1991-12-27 2002-09-09 未来科学株式会社 Water purification and activation equipment
DE4213777A1 (en) * 1992-04-28 1993-11-04 Vortex Gmbh Dt Floating water aeration device for low energy aeration of fish ponds, etc. - has air inlet tube with lower end giving restricted inflow to impeller for mixing air and water
US6050550A (en) * 1998-07-09 2000-04-18 Burgess; Harry L. Apparatus for aeration and bottom agitation for aqua-culture systems
CN113996212B (en) * 2021-11-03 2023-05-19 江西华茂保健品开发有限公司 Honey clarifying method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0531660A1 (en) * 1991-07-17 1993-03-17 E + M MASCHINENBAU GmbH Guiding device for submersible stirring device
WO1997011772A1 (en) * 1995-09-27 1997-04-03 Aquasystems International N.V. Apparatus for treating liquids
BE1009675A3 (en) * 1995-09-27 1997-06-03 Haegeman J H LIQUID TREATMENT APPARATUS.
US5980100A (en) * 1995-09-27 1999-11-09 Aquasystems International N.V. Apparatus for treating liquids
CN113856535A (en) * 2021-10-21 2021-12-31 刘海娟 Lipstick raw materials hybrid system
CN113856535B (en) * 2021-10-21 2024-02-06 浙江欧诺化妆品有限公司 Lipstick raw material mixing system

Also Published As

Publication number Publication date
DE2618838A1 (en) 1977-11-17
FR2351562A7 (en) 1977-12-09

Similar Documents

Publication Publication Date Title
EP0691162B1 (en) Spraying device, in particular for spraying water in the form of microdroplets, for a non-stationary environment
BE841825A (en) DEVICE FOR INCORPORATING GASES IN LIQUIDS AND / OR ELIMINATE FOAM FROM THE SURFACE OF THESE LATTERS
FR2517372A1 (en) DEVICE FOR THE DEGASSING OF FUEL SUPPLY PUMPS
FR2483056A1 (en)
EP0415314A1 (en) Condenser made of concrete for turbine with axial outlet and turbine with such a condenser
FR2586922A1 (en) Steam cooker-mixer
FR2480859A1 (en) POWER PLANT USING WAVE ENERGY
CH465561A (en) Device for the mechanical reduction of fermentation foams
FR2560308A1 (en) TWO PARTS BEARING BODY BY OIL CIRCULATION
FR2636098A1 (en) VACUUM DEVICE FOR FUEL PUMP RESERVE
FR2556927A1 (en) Device for the germination and culture of house plants
FR2618297A1 (en) Device with a liquid reservoir for automatic feeding, particularly a pot for a plant
FR2548283A1 (en) Energy system based on the mutual difference in density of bodies and on gravity
CH284550A (en) Pivot bearing for vertical axis turbine.
EP1231384A1 (en) Improved pumping system
FR2560006A1 (en) Trap for gastropods such as slugs and snails
EP0206845A1 (en) Device for indicating the quantity of liquid in a container, and container provided with such a device
FR2494464A1 (en) Auxiliary float chamber for toilet system for faster refilling - uses auxiliary float chamber which cannot fill until main cistern is full, thus holding inlet valve fully open, giving faster filling
CH616905A5 (en) Surface aerator for liquids, especially for the aeration of sewage
FR2874945A1 (en) Liquid material e.g. effluent, receiving and distributing chamber for detached house, has container tilting between receiving and dumping positions, in which container opening is positioned to receive and discharge effluents, respectively
FR2596610A3 (en) Anti-overflow saucer for flowerpots, in particular
FR2545887A1 (en) Submersible centrifugal pump, especially of the portable type
EP0462018A1 (en) Device to grow plants in a pot, having a large water reservoir
FR3128749A1 (en) HYDRAULIC BUMP
FR2579972A1 (en) Device for treating a liquid, preferably water, which can be floated