EP0277327B1 - Injecteur - Google Patents
Injecteur Download PDFInfo
- Publication number
- EP0277327B1 EP0277327B1 EP87118744A EP87118744A EP0277327B1 EP 0277327 B1 EP0277327 B1 EP 0277327B1 EP 87118744 A EP87118744 A EP 87118744A EP 87118744 A EP87118744 A EP 87118744A EP 0277327 B1 EP0277327 B1 EP 0277327B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pipe
- orifice
- air
- injector according
- injector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1412—Flotation machines with baffles, e.g. at the wall for redirecting settling solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/24—Pneumatic
- B03D1/247—Mixing gas and slurry in a device separate from the flotation tank, i.e. reactor-separator type
Definitions
- the invention relates to an injector according to the preamble of claim 1.
- Such an injector is known from US 44 77 341.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Nozzles (AREA)
- Physical Water Treatments (AREA)
- Accessories For Mixers (AREA)
- Fuel-Injection Apparatus (AREA)
Claims (5)
- Injecteur, notamment pour appareils de flottation, comprenant un trajet mélangeur prévu sensiblement dans un tube droit (2), servant à mélanger le liquide avec de l'air aspiré à travers des ouvertures d'aspiration d'air, ainsi qu'un diaphragme (3) placé en amont, servant à imprimer au liquide un mouvement tourbillonnaire initial, et un diffuseur radial (6) prévu à l'extrémité de sortie du tube (2), caractérisé en ce que le diaphragme (3) est un disque perforé présentant une perforation multiple, de préférence symétrique, et en ce que les ouvertures d'aspiration d'air sont des perçages ou fentes (4) pratiqués dans le tube (2), qui sont disposées à une distance en aval du diaphragme (3), considéré dans le sens de l'écoulement, comprise entre 0,2 et 0,5 fois le diamètre que le tube mélangeur (2) présente à cet endroit.
- Injecteur selon la revendication 1, caractérisé en ce que le diaphragme (3) présente comme sections de passage, trois à huit trous ronds répartis symétriquement.
- Injecteur selon une des revendications 1 à 2, caractérisé en ce que le diamètre du tube mélangeur (2) est d'au moins 16 mm.
- Injecteur selon une des revendications 1 à 3, caractérisé en ce que la longueur du tube mélangeur (2), mesurée entre le diaphragme (3) et la sortie (8) du tube mélangeur, est égale à entre 3 et 5 fois le diamètre du tube mélangeur, que ce tube présente dans la région des ouvertures (4) d'aspiration d'air.
- Injecteur selon une des revendications 1 à 4, caractérisé par au moins un étranglement prévu dans la conduite d'alimentation en air (9) qui mène aux ouvertures d'air (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT87118744T ATE86532T1 (de) | 1987-02-04 | 1987-12-17 | Injektor. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8701636U DE8701636U1 (de) | 1987-02-04 | 1987-02-04 | Injektor |
DE8701636U | 1987-02-04 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0277327A2 EP0277327A2 (fr) | 1988-08-10 |
EP0277327A3 EP0277327A3 (en) | 1990-03-28 |
EP0277327B1 true EP0277327B1 (fr) | 1993-03-10 |
Family
ID=6804296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87118744A Expired - Lifetime EP0277327B1 (fr) | 1987-02-04 | 1987-12-17 | Injecteur |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0277327B1 (fr) |
AT (1) | ATE86532T1 (fr) |
CA (1) | CA1326572C (fr) |
DE (2) | DE8701636U1 (fr) |
ES (1) | ES2039420T3 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4309918C2 (de) * | 1993-03-26 | 1994-09-15 | Voith Gmbh J M | Flotationszelle mit einem Injektor |
DE102009011046A1 (de) * | 2009-02-28 | 2010-09-02 | Voith Patent Gmbh | Flotationsvorrichtung |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR663974A (fr) * | 1928-11-15 | 1929-08-28 | Appareil pour la préparation des bains carbo-gazeux par l'acide carbonique du commerce et la préparation de toute dissolution continue d'un gaz dans un liquide approprié | |
US2252076A (en) * | 1939-10-31 | 1941-08-12 | Standard Oil Dev Co | Fluid mixer |
DE3144386C2 (de) * | 1981-11-07 | 1983-12-29 | J.M. Voith Gmbh, 7920 Heidenheim | Injektorflotationsapparat |
DE3614933C1 (de) * | 1986-05-02 | 1987-10-22 | Voith Gmbh J M | Flotationsbehaelter oder -zelle |
-
1987
- 1987-02-04 DE DE8701636U patent/DE8701636U1/de not_active Expired
- 1987-12-17 ES ES198787118744T patent/ES2039420T3/es not_active Expired - Lifetime
- 1987-12-17 EP EP87118744A patent/EP0277327B1/fr not_active Expired - Lifetime
- 1987-12-17 DE DE8787118744T patent/DE3784690D1/de not_active Expired - Fee Related
- 1987-12-17 AT AT87118744T patent/ATE86532T1/de not_active IP Right Cessation
-
1988
- 1988-02-04 CA CA000558129A patent/CA1326572C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0277327A2 (fr) | 1988-08-10 |
ES2039420T3 (es) | 1993-10-01 |
DE3784690D1 (de) | 1993-04-15 |
CA1326572C (fr) | 1994-01-25 |
ATE86532T1 (de) | 1993-03-15 |
DE8701636U1 (de) | 1987-03-19 |
EP0277327A3 (en) | 1990-03-28 |
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