WO2011101159A1 - Dispositif d'evaporation d'un liquide de traitement - Google Patents
Dispositif d'evaporation d'un liquide de traitement Download PDFInfo
- Publication number
- WO2011101159A1 WO2011101159A1 PCT/EP2011/000786 EP2011000786W WO2011101159A1 WO 2011101159 A1 WO2011101159 A1 WO 2011101159A1 EP 2011000786 W EP2011000786 W EP 2011000786W WO 2011101159 A1 WO2011101159 A1 WO 2011101159A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- liquid
- nozzle
- chamber
- wall
- enclosure
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
- B01D1/305—Demister (vapour-liquid separation)
Definitions
- the present invention relates to a device for evaporation of a treatment liquid, particularly although not exclusively the extraction of hydrogen peroxide from a solution of hydrogen peroxide.
- An object of the invention is to provide a device of simple structure for extracting a treatment gas from a treatment liquid reliably both from the point of view of the extraction of the gas without liquid entrainment that from the point of view of the operation of the device.
- the invention proposes a device for evaporation of a treatment liquid comprising a cylindrical chamber having an outlet opening opening at the upper end of the chamber, the chamber being arranged vertically and having a heated internal wall, and means for introducing the treatment liquid into the chamber in a cyclonic movement in contact with the inner wall of the chamber, wherein the introduction means comprise at least one fluid nozzle associated with a pressurized air blowing nozzle for producing a jet of air mixture and sprayed treatment liquid in a direction tangential to the inner wall of the enclosure, each liquid nozzle and the associated blowing nozzle being arranged so that the mixing jet is formed in an upper part of the enclosure being inclined downwards.
- the mixture cyclically descends to the bottom of the chamber and then also rises in a cyclonic motion in the center of the chamber so that the drops of treatment liquid are subjected to a centrifugal force bringing them back to the hot wall. for a time sufficient for the output stream to be free of any droplets.
- the enclosure comprises a flange extending inwardly projecting between the liquid jets and the outlet orifice. This avoids any rise of liquid along the inner wall of the enclosure.
- the device comprises at least one additional blowing nozzle, which makes it possible to vary at will the amount of treatment product finally included in the flow flowing at the outlet.
- an additional blast nozzle is associated with each liquid nozzle and is disposed relative thereto for directing the blast jet downwardly. This prevents droplets being projected upwards at the outlet of the liquid nozzle.
- FIG. 1 is a perspective sectional view of the device according to the invention by a vertical axial plane of the enclosure
- FIG. 2 is a partial perspective view in section along an axial vertical plane of a liquid nozzle and the associated blowing nozzle
- the device according to the invention comprises a cylindrical enclosure 1 of circular cross section having a concave bottom, here curvilinear.
- the side wall 2 is formed as a double wall comprising an inner wall 3 and a outer wall 4 delimiting a space 5.
- the space 5 is closed at its upper end by an annular ring 8 which also serves to support means for introducing the treatment liquid whose structure will be detailed below.
- a circulation of water vapor in the space 5 is carried out by introducing water vapor V via a steam introduction connection connection 6 at the base of the chamber and extracting the vapor V via a connection a steam outlet connection 7 carried by the ring 8 in an offset angular position of the connection connector 6, here in a diametrically opposed position, in order to force the vapor to circulate around the inner wall 3 in the space 5 between the internal wall 3 and the outer wall 4 in a helical motion.
- annular ring 14 which is removably attached sealingly to the ring 8 by unrepresented fastening means.
- the ring 14 supports the lid 15 of the enclosure formed of a double wall pierced at its upper part with an outlet orifice 16 in which is mounted in leaktight manner an outlet conduit 17 suitably connected to devices for using the obtained treatment product.
- the device further comprises liquid nozzles 9 carried by the ring 8.
- Each liquid nozzle 9 is formed of a hollow needle having an end 12 extending inside the chamber and pierced with a hole of outlet and an end 16 extending outside the enclosure and suitably connected by a connector 17 to a feed circuit shown for supplying the liquid jets 9 treatment liquid L, here a solution of peroxide d hydrogen.
- each fluid nozzle 9 is associated a blowing nozzle 10 extending coaxially with the nozzle 9 corresponding.
- the outlet orifice 11 of each nozzle 10 is adjacent to the outlet orifice 12 of the nozzle 9 corresponding, slightly recessed relative thereto.
- the blast nozzle 10 is connected by a connection 18 to a source of pressurized air for injecting pressurized air A into the blast nozzle.
- the outlet orifice 11 of the blast nozzle 10 is arranged with respect to the outlet orifice 12 of the nozzle 9 to cause spraying of the liquid coming out of the nozzle 9 and to drive the sprayed liquid in a stream tangential to the inner wall 3
- the jets 9 and the associated blowing nozzles 10 are inclined downward by an angle sufficient to cause a downward cyclonic movement of the spray mixture of sprayed liquid droplets and air.
- the angle of inclination of the nozzles 9 and the associated blowing nozzles 10 is between 10 ° and 20 °, preferably close to 10 °.
- an additional blow nozzle 19 is associated with each liquid nozzle 9 and is disposed with respect to the liquid nozzle 9 to deflect down the mixture of sprayed liquid and air produced by the nozzle of the nozzle.
- each additional blast nozzle 19 is preferably arranged downstream of the corresponding liquid nozzle 9 with reference to the mixing jet and has a slightly greater inclination than the liquid nozzle 9, for example at an angle of 15 ° to 30 °.
- the additional blow nozzles 19 are fed by a circular duct 20 made by the coincidence of two grooves formed in the flanges 8 and 14.
- the circular duct 20 is suitably connected by a connector 21 to an external air source A.
- An annular flange 22 made at the upper part of the flange 8 extends inwardly projecting from the chamber between the liquid jets 9 and the outlet orifice 16 and prevents a rise of liquid along the wall. 3.
- this mixture therefore comprises hydrogen peroxide in the form of gas completely free of droplets and this gas can therefore be used satisfactorily for the sterilization of containers for receiving food products.
- the device comprises at its lower part an orifice 23 for introducing and discharging a cleaning liquid associated via a valve 24 to a feed and drain duct of 25.
- an overflow tube 26 is disposed inside the enclosure and extends axially.
- the overflow tube 26 has an upper end extending to at least an identical level, and preferably slightly greater than the lower end 12 of the liquid nozzles 9 as can be seen in FIG. 2.
- the overflow tube 26 passes through the bottom of the enclosure and is kept closed by a valve 27 during the operation of the device.
- the device according to the invention was illustrated with additional blowing nozzles 19, which makes it possible to vary at will the hydrogen peroxide content of the gaseous mixture leaving the evaporator, provision can be made for a device comprising only the liquid nozzles 9 and the associated blowing nozzles 10.
- the liquid jets 9 are all arranged at the same level in the chamber, it can provide that arrange and the liquid jets at different levels to ensure an offset of the mixing jets. In this case it will be necessary to provide a cleaning device different from that which has been illustrated in order not to pollute the liquid nozzles and blowing nozzles associated with cleaning product.
- the chamber 1 has been illustrated in the form of a cylinder of circular section having a smooth inner wall, the device according to the invention can also be made with an enclosure having an inner wall having any shape and / or whose internal surface has a non-smooth surface state, for example with splines for causing turbulence within the flow generated by the blowing nozzles 10.
- the heating of the enclosure can be achieved by a coil surrounding the enclosure outside thereof.
- the device of the invention can also be used for other treatment liquids.
- the invention has been described with nozzles extending coaxially with the blowing nozzles, the invention can be realized with nozzles extending perpendicular to the wall and blowing nozzles arranged perpendicular to the end of the nozzles.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112012016987A BR112012016987A2 (pt) | 2010-02-19 | 2011-02-18 | dispositivo de evaporação de um líquido de tratamento |
EP11706168A EP2536476A1 (fr) | 2010-02-19 | 2011-02-18 | Dispositif d'evaporation d'un liquide de traitement |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1051211A FR2956591B1 (fr) | 2010-02-19 | 2010-02-19 | Dispositif d'evaporation d'un liquide de traitement |
FR1051211 | 2010-02-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011101159A1 true WO2011101159A1 (fr) | 2011-08-25 |
Family
ID=43081806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/000786 WO2011101159A1 (fr) | 2010-02-19 | 2011-02-18 | Dispositif d'evaporation d'un liquide de traitement |
Country Status (5)
Country | Link |
---|---|
US (1) | US8741102B2 (fr) |
EP (1) | EP2536476A1 (fr) |
BR (1) | BR112012016987A2 (fr) |
FR (1) | FR2956591B1 (fr) |
WO (1) | WO2011101159A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2541503B1 (es) * | 2015-05-12 | 2016-04-26 | Antonio Matachana S.A. | Dispositivo vaporizador de un agente de esterilización y procedimiento de vaporización correspondiente |
KR101701280B1 (ko) * | 2015-10-06 | 2017-02-13 | 두산중공업 주식회사 | 사이클론 타입의 기액분리장치 및 이를 포함하는 강제순환식 증발기 |
IT201900005314A1 (it) * | 2019-04-08 | 2020-10-08 | Tema Sinergie S P A | Vaporizzatore di agenti decontaminanti |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1729410A1 (de) * | 1967-05-31 | 1971-08-19 | Luft U Kaeltetechnik Veb K | Spruehtrockner |
FR2083223A5 (fr) * | 1970-06-01 | 1971-12-10 | Asizawa Tekko Kk | |
US4296068A (en) * | 1979-02-19 | 1981-10-20 | Dai Nippon Insatsu Kabushiki Kaisha | Apparatus for sterilizing a succession of food containers or the like |
US4631173A (en) | 1981-11-14 | 1986-12-23 | Mueller Horst | Method of sterilizing packaging material, especially container-type packages |
WO1991017804A1 (fr) | 1989-04-13 | 1991-11-28 | Enprotec, Inc. N.V. | Cyclone a vide ameliore |
US5772850A (en) * | 1995-05-11 | 1998-06-30 | Morris; Bobby D. | Apparatus for vapor compression distillation |
EP1142592A1 (fr) * | 2000-04-04 | 2001-10-10 | Shikoku Kakoki Co., Ltd. | Dispositif pour la gazéification de liquides stérilisants |
DE10145818C1 (de) * | 2001-09-17 | 2002-10-10 | Alfill Engineering Gmbh & Co K | Sterilisiervorrichtung mit H202-Verdampfer |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2289191A (en) * | 1940-02-07 | 1942-07-07 | Drying & Concentrating Company | Method of dehydrating liquid products |
US2326142A (en) * | 1940-02-07 | 1943-08-10 | Drying & Concentrating Company | Method of and apparatus for concentrating liquid products |
US2400459A (en) * | 1942-07-29 | 1946-05-14 | Drying & Concentrating Company | Method of and apparatus for concentrating and dehydrating liquid products |
US2859155A (en) * | 1955-12-27 | 1958-11-04 | Du Pont | Process for vaporizing hydrogen peroxide by connective distillation |
BE894957A (fr) * | 1981-11-14 | 1983-03-01 | Jagenberg Ag | Procede et dispositif pour la sterilisation d'un materiel, d'emballage, en particulier, de recipients d'emballage |
SE8300356L (sv) * | 1983-01-25 | 1984-07-26 | Tetra Pak Int | Sett och anordning for forangning av en vetska |
MY115198A (en) * | 1995-08-11 | 2003-04-30 | Nestle Sa | Process and apparatus for sterilising surfaces |
DE10342415A1 (de) * | 2003-09-13 | 2005-04-07 | Khs Maschinen- Und Anlagenbau Ag | Behälterbehandlungsmaschine |
-
2010
- 2010-02-19 FR FR1051211A patent/FR2956591B1/fr not_active Expired - Fee Related
-
2011
- 2011-02-18 EP EP11706168A patent/EP2536476A1/fr not_active Withdrawn
- 2011-02-18 WO PCT/EP2011/000786 patent/WO2011101159A1/fr active Application Filing
- 2011-02-18 US US13/030,927 patent/US8741102B2/en not_active Expired - Fee Related
- 2011-02-18 BR BR112012016987A patent/BR112012016987A2/pt not_active IP Right Cessation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1729410A1 (de) * | 1967-05-31 | 1971-08-19 | Luft U Kaeltetechnik Veb K | Spruehtrockner |
FR2083223A5 (fr) * | 1970-06-01 | 1971-12-10 | Asizawa Tekko Kk | |
US4296068A (en) * | 1979-02-19 | 1981-10-20 | Dai Nippon Insatsu Kabushiki Kaisha | Apparatus for sterilizing a succession of food containers or the like |
US4631173A (en) | 1981-11-14 | 1986-12-23 | Mueller Horst | Method of sterilizing packaging material, especially container-type packages |
WO1991017804A1 (fr) | 1989-04-13 | 1991-11-28 | Enprotec, Inc. N.V. | Cyclone a vide ameliore |
US5772850A (en) * | 1995-05-11 | 1998-06-30 | Morris; Bobby D. | Apparatus for vapor compression distillation |
EP1142592A1 (fr) * | 2000-04-04 | 2001-10-10 | Shikoku Kakoki Co., Ltd. | Dispositif pour la gazéification de liquides stérilisants |
DE10145818C1 (de) * | 2001-09-17 | 2002-10-10 | Alfill Engineering Gmbh & Co K | Sterilisiervorrichtung mit H202-Verdampfer |
Also Published As
Publication number | Publication date |
---|---|
FR2956591A1 (fr) | 2011-08-26 |
FR2956591B1 (fr) | 2012-03-23 |
EP2536476A1 (fr) | 2012-12-26 |
US20110203914A1 (en) | 2011-08-25 |
BR112012016987A2 (pt) | 2016-04-12 |
US8741102B2 (en) | 2014-06-03 |
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