EP1648598A1 - Dispositif de melange de deux fluides et utilisation pour le refroidissement d'un fluide a tres haute temperature - Google Patents
Dispositif de melange de deux fluides et utilisation pour le refroidissement d'un fluide a tres haute temperatureInfo
- Publication number
- EP1648598A1 EP1648598A1 EP04767305A EP04767305A EP1648598A1 EP 1648598 A1 EP1648598 A1 EP 1648598A1 EP 04767305 A EP04767305 A EP 04767305A EP 04767305 A EP04767305 A EP 04767305A EP 1648598 A1 EP1648598 A1 EP 1648598A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fluid
- tubular conduit
- tubular
- mixer
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/04—Other direct-contact heat-exchange apparatus the heat-exchange media both being liquids
Definitions
- the invention relates to a device for mixing a first fluid at a first temperature and a second fluid at a second temperature.
- a first and of a second fluids whose temperatures can be extremely different from each other.
- a residual fluid is obtained which consists mainly of water at very high temperature (for example 550 Approx. ° C) and at very high pressure.
- This fluid must be cooled and depressurized and possibly treated, for example by chemical neutralization in order to be able to be rejected or possibly stored in collection containers or tanks.
- the known process for hydrothermal oxidation of organic effluents into supercritical water consists in bringing the effluents into contact with water at very high temperature and at very high pressure in the presence of oxygen, so as to destroy the organic molecules by generally exothermic reactions which raise the temperature and pressure of water to levels higher than those corresponding to the critical point of water (22.1 MPa and 374 ° C).
- Water in supercritical condition is an extremely powerful solvent which destroys organic molecules in a period of one second to one minute, depending on their thermal stability.
- the cooling and treatment fluid is injected inside the high temperature fluid circulation conduit through a second coaxial conduit passing through the wall of the high temperature fluid circulation conduit.
- the coolant injection duct and certain parts of the high temperature fluid circulation duct undergo very strong thermal gradients in their walls, so that it is very difficult to design structures resistant to these gradients.
- the parts of the conduits in contact with the supercritical water undergo very strong corrosion, so that it is necessary to use corrosion resistant materials such as titanium or nickel alloys to form these parts of the conduits.
- the object of the invention is therefore to propose a device for mixing a first fluid at a first temperature and a second fluid at a second temperature, in the form of coaxial currents having the same direction of circulation, comprising an envelope generally cylindrical tubular and having a substantially rectilinear axis, delimiting a cylindrical mixer chamber coaxial with the envelope comprising, at a first axial end, a first element for connection to means for supplying the first fluid and, to a second axial end opposite the first, a second element for connection to means for discharging the mixture of the first and second fluids and at least one conduit for guiding at least one of the first and the second fluids, substantially rectilinear and arranged in the cylindrical chamber in a coaxial arrangement, this device making it possible to mix the fluids under good conditions, with s limited thermal gradients in the various envelopes and tubular conduits of the device.
- the device comprises a third element for connecting the mixer chamber to second fluid supply means, in an intermediate arrangement in the axial direction between the first and the second connection elements and in a direction transverse substantially perpendicular to the axial direction and the guide duct extends axially in the mixer chamber between the first mier connection element and a mixing zone of the mixer chamber downstream of the third connection element in the direction from the first to the second connection element and comprises a tubular wall having at least one annular internal space of coaxial insulation in communication with a zone of the mixer chamber, extending substantially over the entire length of the guide duct, the third connecting element opening into the cylindrical chamber facing an external surface of the wall of the duct guide.
- the device according to the invention may have, individually or in combination, the following characteristics: .- the guide duct comprises a first tubular duct extending axially in the mixer chamber from the first connection element to an axial end of the mixer chamber and a second tubular conduit having an inside diameter greater than the outside diameter of the first tubular conduit disposed coaxially with the first tubular conduit and the casing of the mixer having a first axial end inside the cylindrical chamber in which there is engaged an end part of the first tubular conduit and a second axial end downstream of the third connection element which opens out into the mixer chamber facing the external surface of the wall of the second tubular conduit, so that the second fluid introduced into the mixer chamber through the third
- the connection element circulates in an annular zone of the closed mixer chamber at the second axial end of the second tubular duct, in the axial direction and in a first direction towards the first end of the second tubular duct and then, in a second direction.
- the first and second tubular conduits each consist of a set of coaxial ferrules threaded one on the other comprising parts of reduced thickness so as to provide spaces between them annulars coaxial and traversed by openings placing the coaxial annular spaces in communication with a medium external to the tubular conduit in the mixer chamber;
- the second tubular conduit has an internal ferrule projecting at one of its axial ends relative to the set of ferrules of the second tubular conduit intended to engage around the first tubular conduit with a radial clearance and traversed by fluid passage openings in an annular space between the outer surface of the first tubular conduit and the inner surface of the inner shell of the second tubular conduit.
- the device can be used in particular for mixing a first fluid consisting mainly of supercritical water used for the treatment of effluents by oxidation to supercritical water with a second fluid consisting mainly of cooling water at a substantially lower temperature. at the temperature of the second fluid.
- the first fluid may be at a temperature of the order of 550 ° C and the second fluid at a temperature of the order of 20 ° C.
- FIG 1 is a schematic view in axial section of a mixer according to the invention and according to a first embodiment.
- Figure 2 is a schematic axial sectional view of a mixer according to the invention and according to a second embodiment.
- Figure 3 is an enlarged axial sectional view of a first tubular conduit of the mixer shown in Figure 2 for guiding the first fluid, consisting of ferrules threaded one on the other.
- FIGS. 4A and 4B are diagrammatic section views of a wall of a tubular conduit on which are represented the variations in temperature in the wall of the tubular conduit exposed on its external and internal surfaces to fluids at different temperatures.
- FIG. 4A relates to a solid wall.
- FIG. 4B relates to a wall according to the invention comprising annular internal spaces filled with fluid.
- FIG. 1 there is shown schematically a mixing device according to the invention generally designated by reference numeral 1 comprising an outer casing 2 of generally tubular cylindrical shape delimiting an internal cylindrical mixer chamber 3, the casing 2 and the cylindrical chamber 3 having for common axis the longitudinal axis 4 of the mixer.
- the casing 2 comprises, at a first axial end, a first connection and inlet element 5 which may be constituted by an opening surrounded by a flange allowing the connection of the mixer 1 to a means for supplying the first fluid, by example an outlet pipe of a reactor 30 for oxidizing effluents into supercritical water constituting the first fluid which is cooled by mixing inside the mixer 1.
- the first fluid consists of large part of supercritical water at a temperature close to 550 ° C. and at a pressure of the order of 25 MPa.
- the casing 2 of the mixer comprises, at a second axial end opposite the end 5, a second discharge and connection element 6 which may be constituted by an opening surrounded by a flange for connecting the mixer to a conduit for evacuation of the mixture, that is to say the cooled water, for example up to a temperature of 300 ° C.
- the evacuation duct connected to the connection element 6 can provide the junction between the mixer and a heat exchanger 31 making it possible to cool the fluid obtained by mixing at the outlet of the mixer, to ambient conditions.
- the casing 2 further comprises a third connection element 7 which may be constituted by a nozzle and a flange making it possible to connect the mixer to a means of supplying coolant, for example to a reservoir and a pumping installation d cooling water making it possible to inject water into the cylindrical chamber 3 of the mixer at a temperature of the order of 20 ° C. and at a pressure slightly greater than the pressure of the first fluid, that is to say slightly greater than 25 MPa.
- a guide duct 8 Inside the cylindrical chamber 3 of the mixer, in a coaxial arrangement, is mounted a guide duct 8, the tubular cylindrical wall of which comprises one or more internal annular coaxial spaces 9 extending substantially over the entire axial length of the guide duct 8 and delimited between coaxial tubular elements of small thickness.
- a guide duct 8 having a single annular space 9 between an outer wall member 8a and an inner wall member 8b.
- the external wall element 8a of the guide duct 8 is traversed by small openings 10 (for example having a diameter of the order of a millimeter) distributed along the circumference of the tubular duct in two zones arranged in the vicinity of the axial ends of the guide duct.
- the openings 10 put the internal annular space 9 of the wall 8 into communication with the cylindrical chamber 3 of the mixer. In this way, during operation of the mixer, the internal annular space 9 of the wall of the tubular conduit 8 is filled with water in a practically stagnant state.
- this annular space filled with water makes it possible to ensure a certain insulation and a limitation of the thermal gradient in the radial direction through the wall of the guide duct 8.
- the guide duct 8 is connected, to one of its axial ends, at the casing of the mixer, at the level of the first connection element 5, so that the first fluid (as indicated by arrow 11) flows in the axial direction 4, at the inside the guide duct 8.
- the duct 8 is fixed to the casing 2 of the mixer, by means of an annular piece 12.
- the third connection element 7 is disposed as far as possible from the first element connection, so as to separate from one another the zone for introducing the first fluid at very high temperature and the zone for introducing the second fluid consisting of water at approximately 20 ° C.
- the distance between the first and the third connection elements is in fact little less than the total length of the casing 2 of the mixer in the axial direction 4 (for example a little less than one meter).
- the third connection element 7 is directed along an axis 13 substantially perpendicular to the longitudinal axis 4 of the mixer, the direction of the third connection element along which the second fluid is introduced into the cylindrical chamber 3 (represented by the arrow 14 ) being lateral or radial, relative to the casing of the mixer.
- the third connection element connected to a supply pipe 32 for cooling water is moreover arranged so as to open into the cylindrical enclosure 3 facing part of the external surface of the guide pipe 8 which extends in the axial direction 4 from the first connection element 5 to a zone 15 of the cylindrical chamber 3 located downstream of the third connection element 7 (considering the circulation of the first fluid in the axial direction , as shown by the arrows 11).
- the cooling water which is introduced into the cylindrical chamber 3, with a pressure slightly greater than the pressure of the first fluid comes into contact with the external surface of the tubular duct 8 and is distributed along the axial length around this duct 8, at the interior of the cylindrical chamber 3.
- the introduction of cooling water maintains the casing 2 in the region of the third connection element 7, at a temperature close to the temperature of the cooling water.
- the cooling water flows towards the outlet of the mixer at the second connection element 6, in a substantially axial direction, to meet the flow of first high temperature fluid circulating inside the duct. guide 8.
- the cooling water mixes with the first fluid at very high temperature, the cooled mixture being recovered at the outlet of the mixer, at the level of the second connection 6.
- the cooling water flow rate introduced into the cylindrical casing is adjusted so that the temperature of the mixture recovered at the outlet of the mixer is close to 300 ° C.
- the first connection element 5 is at the temperature of the first fluid, for example 550 ° C.
- the third connection element 7 is at a temperature of the order of 20 ° C.
- the axial thermal gradient between the first and the third connection elements has a high value in an area of the casing 2 of cylindrical shape intermediate between the first and the third connection elements.
- the axial thermal gradient, high in this zone of the envelope does not affect the behavior of the envelope, the gradient applying in an entirely axisymmetric zone.
- the connection elements are at perfectly uniform and constant temperatures which are the temperature of the first and second fluids.
- the temperature gradient between the second connection element 6, at the outlet of the mixer, and the third connection element is located in a cylindrical zone of the envelope of the mixer, which has no impact on its performance in service.
- the guide duct 8 is in contact, on its inner surface, with the first high temperature fluid and, on its outer surface, with the second cooling fluid inside the cylindrical chamber 3.
- the thermal gradient in the direction radial, through the wall of the guide duct 8, is therefore high, at least in certain zones of the wall of the guide duct 8.
- the presence of at least one annular space 9 filled with fluid, that is to say say water, makes it possible to limit the gradient across the wall elements 8a and 8b of the guide duct 8 to low values, the insulating layer consisting of water filling the space 9 absorbing most of the thermal gradient between the internal surface of the guide duct 8 in contact with the first fluid at 550 ° C and the external surface in contact with the cooling water at 20 ° C in the cylindrical chamber 3.
- FIG. 2 we have schematically shown a second mode for producing a mixer according to the invention.
- the corresponding elements in Figures 1 and 2 are designated by the same references.
- the essential differences between the device according to the second embodiment and the first embodiment are relative the shape of the casing 2 of the mixer 1 and the use of a guide duct in two parts 18a, 18b each constituted by a tubular duct arranged and fixed coaxially inside the casing 2 of the mixer.
- the first tubular conduit constituting the first part 18a of the guide conduit is fixed inside the first connection element 5 of the mixer, by an annular piece 12, in the same manner as the single conduit 8 of the first embodiment.
- the wall of the first tubular conduit 18a has at least one annular internal space 19a extending substantially over its entire axial length.
- the second part 18b of the guide conduit is constituted by a second tubular conduit whose internal diameter is greater than the external diameter of the first tubular conduit 18a and whose wall comprises at least one annular space 19b extending substantially along its entire length.
- the second tubular conduit 18b is engaged in the annular part 12 at its upper part by means of a ferrule 20 and engaged by its lower part in a part 16, inside the second connection element 6 of the mixer arranged as follows its axial output end.
- the free end of the first tubular conduit 18a is engaged over a certain length in the free end of the second tubular conduit 18b, the first and second conduits 18a, 18b having as axis the axis 4 of the casing of the mixer.
- the guide conduit constituted by the first part of conduit 18a and the second part of conduit 18b extends from the first connection element 5 at an axial end of the casing of the mixer to a zone 15 located downstream of the branch of the third connection element which opens inside the cylindrical chamber 3 of the mixer, facing the external surface of the second tubular conduit 18b.
- the flow of cooling water passing inside the shell 20 is turned over to then flow downwards and enter the annular space between the first tubular conduit 18a and the second tubular conduit 18b.
- the cooling water mixes with the first high temperature fluid in the mixing zone 17 at the outlet of the first tubular conduit 18a. The mixture is recovered by the outlet opening of the mixer at the second connection element 6.
- the part of the casing 2 of the mixer located between a shoulder 2a and the second connection element 6 is substantially at the temperature of the cooling water (around 20 ° C).
- the first connection element 5 is at a temperature close to the temperature of the first fluid (550 ° C).
- the maximum temperature gradient in the axial direction is located in a cylindrical region 2b of the casing between the first connecting element 5 and the shoulder 2a.
- a strong thermal gradient in the axisymmetric cylindrical zone 2b of the casing does not present any drawback for the behavior of the casing of the mixer in service.
- the connection elements 5, 6 and 7 are at uniform temperatures and the connection elements 5 and 7 are separated from one another by an axial distance little less than the total length of the casing 2 of the mixer .
- the thermal gradients through the first tubular conduit 18a and through the second tubular conduit 18b are largely absorbed by at least one insulating layer of standing water inside the annular space. respective 19a or 19b of the tubular conduit 18a or 18b.
- the thermal gradient across the wall of the first tubular conduit 18a whose interior surface is in contact with the first fluid at high temperature and the external surface in contact with cooling water is substantially greater than the thermal gradient through the wall of the second tubular conduit 18b which is in contact by its internal surface with the mixture of fluid at approximately 300 ° C. and over its outer surface with the cooling water at 20 ° C filling the external annular part of the cylindrical chamber 3 of the mixer.
- a tubular conduit for example the conduit 18a of the device shown in Figure 2 having three annular insulation spaces 19'a, 19 "a, 19" 'a extending along the entire axial length of the part of the conduit 18a subjected to a strong thermal gradient.
- the coaxial annular spaces delimited by ferrules threaded one on the other correspond to the single annular space 19a represented in a simplified manner in FIG. 2. As it is visible in FIG.
- the first set of ferrules constituting the first tubular conduit 18a has an internal ferrule 21 and three external ferrules 22a, 22b, 22c threaded one on the other and on the internal ferrule 21 in a coaxial arrangement.
- Each of the ferrules 21, 22a and 22b has a part extending over an axial length L in which the ferrule has a reduced thickness.
- the external ferrules 22a, 22b and 22c are traversed along their entire thickness by small diameter openings (for example 2 mm) distributed along their circumference in two zones 23 and 23 'at the ends of the zone of length L in which the ferrules 21, 22a and 22b have a reduced thickness, that is to say at the axial ends of the annular spaces 19'a, 19 "a and 19" 'a.
- the annular spaces 19'a, 19 "a and 19” 'a are filled with practically stagnant water entering the annular spaces through the openings of the zones 23 and 23'.
- the internal ferrule 21 completely isolates the internal part of the first tubular conduit 18a receiving the first high temperature fluid from the annular spaces 19'a, 19 "a and 19” 'a and from the zone for receiving the cooling water. outside the first tubular conduit 18.
- the second conduit 18b is similar to the first conduit 18a and constituted by ferrules threaded one on the other; the ferrules of the second conduit 18b have a portion of reduced thickness, substantially along their entire length which is subjected to a strong thermal gradient and the internal ferrule 20 is extended at the upper end of the conduit 18b and has through openings 20 ' . As can be seen in FIGS.
- the thermal gradient in the case of a homogeneous wall 18 of any material subjected, on a first side, to a first temperature and, on a second side, to a second temperature lower than the first , the thermal gradient can be represented by the slope of a straight line 26 which can be very strong in the case of a very large temperature difference between the two faces of the wall 18.
- a wall element 18 ′ is shown, constituted by a first wall element 18 ′ a, a second wall element 18 ′ b and a third wall element 18 ′ c arranged parallel to each other.
- the thermal gradient is represented by the slopes of a broken line 26 ′ whose straight parts inside the solid wall elements 18 ′ a, 18 ′ b, 18 ′ c have a slight slope and the straight parts inside the spaces filled with insulating material, a steep slope.
- the thermal gradients inside the wall elements 18'a, 18'b and 18'c of the composite wall 18 ' are greatly reduced.
- the wall 18 and the wall elements 18'a, 18'b and 18'c have the form of coaxial tubular envelopes.
- These tubular cylindrical walls when subjected to a significant radial thermal gradient have radial and circumferential stresses which can exceed the rupture limit of the envelope and lead to the degradation of the wall of the component.
- These constraints are functions of the temperature gradient, the characteristics of the material (modulus of elasticity, Poisson's ratio and coefficient of expansion) and the dimensions of the tube (radius and thickness).
- no solid material can be used without undergoing degradation.
- a tubular casing such as the casing 18 cannot therefore be used in the case of high thermal gradients.
- a composite envelope as shown in FIG.
- the wall elements 18'a, 18'b, 18'c which are only subjected to low thermal gradients can be designed to resist these gra - thermal towers but the insulation layers in the spaces 19'ab and 19'bc can be subjected to very strong thermal gradients, so that it can be difficult to find insulating materials resistant to the stresses due to these thermal gradients .
- the insulation spaces 19'ab and 19'bc of the wall 18 ' can be filled with fluid at the lower temperature, by providing openings passing through the wall elements 18'b and 18'c for example.
- the critical thicknesses of the spaces 19'ab and 19'bc are defined below which no natural convection can occur in the process fluid filling the spaces 19'ab and 19'bc. Only the thermal conductivity of the fluid is involved. Depending on the value of the overall thermal gradient implemented within the framework of the process and the number of insulating layers (for example two or three insulating layers, as in the case of the embodiment described above), the thicknesses can be very small, for example less than a millimeter.
- Such walls as shown in FIG. 4B can be used as walls separating fluids at very different temperatures and in particular as walls of the guide conduits of a mixer according to the invention.
- the invention therefore relates to a mixing device making it possible to efficiently mix fluids at very different temperatures while avoiding significant thermal gradient effects in the separation walls of the mixer.
- the invention is not limited to the embodiment which has been described.
- the mixer according to the invention can comprise a casing of a shape different from those which have been described and one or more guide conduits internal to the casing of the mixer making it possible to ensure the circulation between the streams of fluid to different temperatures.
- the residual fluid can be both cooled and neutralized, for example by injection of cooling water containing soda.
- the invention can be applied to the cooling of fluids different from residual fluids of an effluent oxidation operation in supercritical water.
- the invention can also be applied in the case of mixtures of fluids at very different temperatures in many industries and especially in the chemical industry.
- the invention can also have applications in energy production installations.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0309341A FR2858248B1 (fr) | 2003-07-29 | 2003-07-29 | Dispositif de melange de deux fluides et utilisation pour le refroidissement d'un fluide a tres haute temperature |
PCT/FR2004/001439 WO2005021143A1 (fr) | 2003-07-29 | 2004-06-09 | Dispositif de melange de deux fluides et utilisation pour le refroidissement d'un fluide a tres haute temperature. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1648598A1 true EP1648598A1 (fr) | 2006-04-26 |
EP1648598B1 EP1648598B1 (fr) | 2007-01-24 |
Family
ID=34043652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04767305A Expired - Lifetime EP1648598B1 (fr) | 2003-07-29 | 2004-06-09 | Dispositif de melange de deux fluides et utilisation pour le refroidissement d'un fluide a tres haute temperature |
Country Status (7)
Country | Link |
---|---|
US (1) | US20060187751A1 (fr) |
EP (1) | EP1648598B1 (fr) |
JP (1) | JP2007500074A (fr) |
AT (1) | ATE352368T1 (fr) |
DE (1) | DE602004004540D1 (fr) |
FR (1) | FR2858248B1 (fr) |
WO (1) | WO2005021143A1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CO6150041A1 (es) * | 2008-12-19 | 2010-04-20 | Univ Del Valle | Proceso para la distribucion de residuos toxicos mediante oxidacion en presencia de agua y oxigeno y unidad continua para el tratamiento de compuestos peligrosos |
CN102455137B (zh) * | 2010-10-30 | 2013-08-07 | 贾海平 | 混水换热器 |
JP5719745B2 (ja) * | 2011-10-11 | 2015-05-20 | 川崎重工業株式会社 | 流体混合器とこれを用いた熱交換システム |
GB201320417D0 (en) * | 2013-11-19 | 2014-01-01 | Univ Nottingham | Mixing reactors |
US9829214B2 (en) * | 2015-04-22 | 2017-11-28 | Ronald Paul Taylor | Cylindrical tubular heat exchanger type 1 |
US9835357B2 (en) * | 2015-04-22 | 2017-12-05 | Ronald Paul Taylor | Cylindrical tubular heat exchanger type 2 |
CN113624602B (zh) * | 2021-07-29 | 2022-07-15 | 中国科学院金属研究所 | 管材成形极限图右侧区域曲线的实验装置及构建方法 |
CN113600045A (zh) * | 2021-08-23 | 2021-11-05 | 赤峰云铜有色金属有限公司 | 一种混酸系统 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1496345A (en) * | 1923-09-28 | 1924-06-03 | Frank E Lichtenthaeler | Apparatus for mixing liquids |
US2094664A (en) * | 1934-08-31 | 1937-10-05 | Enumclaw Co Operative Creamery | Water heating system |
US2747844A (en) * | 1954-12-22 | 1956-05-29 | Rudolf S Slayter | Device for mixing fluids |
US2816518A (en) * | 1956-01-10 | 1957-12-17 | Daggett Chocolate Company | Ice cream blending apparatus |
US3298669A (en) * | 1964-09-23 | 1967-01-17 | Dow Chemical Co | Eductor mixing apparatus |
US3332442A (en) * | 1965-01-18 | 1967-07-25 | Zink Co John | Apparatus for mixing fluids |
US3475508A (en) * | 1967-12-14 | 1969-10-28 | Badger Co | Dehydrogenation of alkyl aromatic compounds in the presence of nickelbearing alloy steels |
US3542342A (en) * | 1968-09-06 | 1970-11-24 | Byron Jackson Inc | Apparatus for mixing pulverulent material with liquid |
US3794299A (en) * | 1971-09-23 | 1974-02-26 | Chem Trol Pollution Services | Centrifugal reactor |
US3741533A (en) * | 1971-10-14 | 1973-06-26 | Dow Chemical Co | Mixing apparatus |
US3818938A (en) * | 1972-10-16 | 1974-06-25 | Universal Oil Prod Co | Fluid mixing apparatus |
US3926787A (en) * | 1973-03-02 | 1975-12-16 | C G Process Coal Company | Method and apparatus for reducing sulphur and ash content of coal |
DK135976B (da) * | 1975-01-20 | 1977-07-25 | Hotaco As | Blanderedskab til opbygning af fiberforstærkede konstruktionsmaterialer in situ. |
US4390284A (en) * | 1980-01-25 | 1983-06-28 | Neptune Microfloc, Inc. | Method and apparatus for wetting powder |
US4408890A (en) * | 1981-03-11 | 1983-10-11 | E. I. Du Pont De Nemours And Company | Pigment pre-blending mixhead attachment |
US4474477A (en) * | 1983-06-24 | 1984-10-02 | Barrett, Haentjens & Co. | Mixing apparatus |
US4538921A (en) * | 1983-11-25 | 1985-09-03 | Allied Corporation | Apparatus and method for slurrying soda ash |
US5383725A (en) * | 1989-10-02 | 1995-01-24 | Cmi Corporation | Asphalt/dust/rubber processing equipment |
US5492404A (en) * | 1991-08-01 | 1996-02-20 | Smith; William H. | Mixing apparatus |
FI98892C (fi) * | 1994-11-15 | 1997-09-10 | Turun Asennusteam Oy | Polymeerien liuotusmenetelmä ja -laite |
US5860451A (en) * | 1996-03-12 | 1999-01-19 | Teledyne Industries, Inc. | Fluid admixture systems |
GB9917733D0 (en) * | 1999-07-28 | 1999-09-29 | Kvaerner Earl & Wright | Thermal insulated pipelines |
US6796704B1 (en) * | 2000-06-06 | 2004-09-28 | W. Gerald Lott | Apparatus and method for mixing components with a venturi arrangement |
US6615872B2 (en) * | 2001-07-03 | 2003-09-09 | General Motors Corporation | Flow translocator |
US6749330B2 (en) * | 2001-11-01 | 2004-06-15 | Thomas E. Allen | Cement mixing system for oil well cementing |
DE10163724A1 (de) * | 2001-12-21 | 2003-07-03 | Stolco Stoltenberg Lerche Gmbh | Dampfinjektor |
US6767007B2 (en) * | 2002-03-25 | 2004-07-27 | Homer C. Luman | Direct injection contact apparatus for severe services |
US7380976B2 (en) * | 2005-07-18 | 2008-06-03 | Xerox Corporation | Device and method with cooling jackets |
-
2003
- 2003-07-29 FR FR0309341A patent/FR2858248B1/fr not_active Expired - Fee Related
-
2004
- 2004-06-09 JP JP2006521606A patent/JP2007500074A/ja active Pending
- 2004-06-09 AT AT04767305T patent/ATE352368T1/de not_active IP Right Cessation
- 2004-06-09 WO PCT/FR2004/001439 patent/WO2005021143A1/fr active IP Right Grant
- 2004-06-09 US US10/565,827 patent/US20060187751A1/en not_active Abandoned
- 2004-06-09 DE DE602004004540T patent/DE602004004540D1/de not_active Expired - Lifetime
- 2004-06-09 EP EP04767305A patent/EP1648598B1/fr not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO2005021143A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20060187751A1 (en) | 2006-08-24 |
JP2007500074A (ja) | 2007-01-11 |
WO2005021143A1 (fr) | 2005-03-10 |
DE602004004540D1 (de) | 2007-03-15 |
EP1648598B1 (fr) | 2007-01-24 |
ATE352368T1 (de) | 2007-02-15 |
FR2858248B1 (fr) | 2005-10-28 |
FR2858248A1 (fr) | 2005-02-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1337479B1 (fr) | Procede et dispositif pour l'oxydation en eau supercritique de matieres | |
CA2624016C (fr) | Reacteur et procede pour le traitement d'une matiere dans un milieu reactionnel fluide | |
EP1648598B1 (fr) | Dispositif de melange de deux fluides et utilisation pour le refroidissement d'un fluide a tres haute temperature | |
FR2858943A1 (fr) | Appareil et procede de traitement de dechets organiques | |
FR2585805A1 (fr) | Appareillage de destruction de produits dangereux | |
WO2009024664A1 (fr) | Reacteur echangeur a tube baïonnette permettant de fonctionner avec des differences de pression de l'ordre de 100 bars entre le cote tube et le cote calandre | |
EP2394735B1 (fr) | Reacteur echangeur a tubes baionnettes et a tubes de fumees suspendus a la voute superieure du reacteur | |
WO2007036512A1 (fr) | Reacteur et procede pour le traitement en anoxie d'une matiere dans un milieu reactionnel fluide | |
EP3806995B1 (fr) | Réacteur pour le traitement par oxydation hydrothermale d'une matière organique dans un milieu réactionnel | |
WO2005075058A1 (fr) | Procede de traitement des gaz par des decharges haute frequence | |
EP1014761B1 (fr) | Elément de canalisation pour dispositif de traitement de gaz et dispositif incorporant un tel élément de canalisation | |
WO2002058076A1 (fr) | Procede et dispositif de decontamination radioactive d'une surface situee a l'interieur d'un corps creux | |
EP0083545A1 (fr) | Dispositif d'évacuation de secours de la chaleur dissipée par un réacteur nucléaire à neutrons rapides à l'arrêt | |
EP2131633A1 (fr) | Procédé de refroidissement d'un plasma micro-onde et système de destruction sélective de molécules chimiques utilisant ce procédé | |
EP0990848B1 (fr) | Procédé d'épuration thermique de gaz et incinérateur thermique régénératif | |
EP0203861B1 (fr) | Dispositif modulaire d'ultrafiltration du liquide de refroidissement d'un réacteur nucléaire | |
FR2929389A1 (fr) | Echangeur de chaleur pour installation de traitement par oxydation hydrothermale | |
EP0555127A1 (fr) | Procédé et installation de décontamination d'un générateur de vapeur nucléaire usagé | |
FR2863696A1 (fr) | Dispositif de melange de deux fluides a des temperatures differentes et utilisation dans un circuit de refroidissement d'un reacteur nucleaire. | |
EP1263528B1 (fr) | Module et appareil pour la synthese de molecules organiques ou autres | |
FR2662158A1 (fr) | Procede de conversion thermique du methane et reacteur pour la mise en óoeuvre du procede. | |
LU84557A1 (fr) | Echangeur de chaleur en matieres thermoplastiques fluorees | |
FR2821572A1 (fr) | Dispositif de reacteur comportant une enceinte en materiau refractaire et une enveloppe de confinement, pour la mise en oeuvre de reactions chimiques necessitant un echange de chaleur | |
WO2001022427A1 (fr) | Appareil de traitement d'un melange gazeux contenant de l'hydrogene et de la vapeur d'eau | |
FR2662538A1 (fr) | Dispositif et procede de decontamination de la surface interieure de la paroi d'une cuve de reacteur nucleaire. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20060120 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
DAX | Request for extension of the european patent (deleted) | ||
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070124 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070124 Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070124 Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070124 Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070124 Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070124 Ref country code: IE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070124 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: FRENCH |
|
REF | Corresponds to: |
Ref document number: 602004004540 Country of ref document: DE Date of ref document: 20070315 Kind code of ref document: P |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070424 Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070424 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070505 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070625 |
|
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
GBV | Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed] |
Effective date: 20070124 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FD4D |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070124 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070124 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
BERE | Be: lapsed |
Owner name: JEUMONT S.A. Effective date: 20070630 |
|
26N | No opposition filed |
Effective date: 20071025 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070124 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070124 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070425 Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070630 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070630 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20080229 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070425 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070124 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070702 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070124 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080630 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080630 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070124 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070609 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070124 Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20070725 |