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EP2542653B1 - Système de distribution d'eau pour un réacteur de gazéification - Google Patents

Système de distribution d'eau pour un réacteur de gazéification Download PDF

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Publication number
EP2542653B1
EP2542653B1 EP11708399.8A EP11708399A EP2542653B1 EP 2542653 B1 EP2542653 B1 EP 2542653B1 EP 11708399 A EP11708399 A EP 11708399A EP 2542653 B1 EP2542653 B1 EP 2542653B1
Authority
EP
European Patent Office
Prior art keywords
water
distribution system
openings
water distribution
reactor
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.)
Not-in-force
Application number
EP11708399.8A
Other languages
German (de)
English (en)
Other versions
EP2542653A2 (fr
EP2542653B8 (fr
Inventor
Johannes Kowoll
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Industrial Solutions AG
Original Assignee
ThyssenKrupp Industrial Solutions AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ThyssenKrupp Industrial Solutions AG filed Critical ThyssenKrupp Industrial Solutions AG
Publication of EP2542653A2 publication Critical patent/EP2542653A2/fr
Publication of EP2542653B1 publication Critical patent/EP2542653B1/fr
Application granted granted Critical
Publication of EP2542653B8 publication Critical patent/EP2542653B8/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/78—High-pressure apparatus
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/48—Apparatus; Plants
    • C10J3/52—Ash-removing devices
    • C10J3/526—Ash-removing devices for entrained flow gasifiers
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/48—Apparatus; Plants
    • C10J3/52—Ash-removing devices
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/74—Construction of shells or jackets
    • C10J3/76—Water jackets; Steam boiler-jackets
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/82—Gas withdrawal means
    • C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/82—Gas withdrawal means
    • C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
    • C10J3/845—Quench rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/08—Pipe-line systems for liquids or viscous products
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2200/00—Details of gasification apparatus
    • C10J2200/15—Details of feeding means
    • C10J2200/152—Nozzles or lances for introducing gas, liquids or suspensions
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems

Definitions

  • the invention relates to a water distribution system and a water distribution method for a gasification reactor for carrying out a slag-forming air flow method in which the resulting synthesis gas flows downward during the gasification reaction.
  • hot gas is generated from 1200 to 2000 ° C containing molten and sticky ash particles and condensing or desubliming substances, such as e.g. Sodium, potassium, lead and zinc. These particles can form deposits on cooled walls and cause malfunctions.
  • the hot gas is often cooled by mixing with water, i. quenched, the ash particles quickly solidify.
  • the fine fly ash particles have similar properties to cement and can form concrete-like deposits with water. So that does not happen, all the walls of the quenching room should be continuously either hot and dry or covered with a film of water.
  • the water curtain In order to prevent a backflow of the generated synthesis gas, the water curtain should have no gaps in the edge region. But he should also not cool so much that the slag outlet clogged. In addition, the water curtain should be evenly distributed over the circumference and thereby be as fine and thin. Furthermore, the generated, to be quenched gas jet should be centered so that the hot gas can be quenched as effectively as possible after the disintegration of the water curtain in the central region of the cross section.
  • the object of the invention is therefore to provide an improved water distribution system and an improved water distribution method for a gasification reactor for carrying out a slag-forming flight flow method, which no longer has the disadvantages described above and is as economical as possible to install and operate.
  • the openings are designed as upwardly directed nozzles.
  • the openings may also have a tangential inclination in the direction of the circumference of the reactor or also an inclination towards the central axis of the reactor.
  • the openings are guided with a lateral component and not only vertically from the openings to the deflection.
  • the annular distributor is designed with different flow cross sections, which taper from the inlet of the ring distributor to each of the openings. It is important to ensure that a flow rate of approximately 2 m / s is maintained. However, if slag water or other particle-laden return water for the water curtain is to be used, the flow rate must in any case be more than 0.5 m / s, so that no particles can settle. In this case, a flow rate of 3 m / s should not be exceeded because of the risk of erosion. The strength of the generated water curtain should be between 1 and 10 mm.
  • the flow cross sections of the ring distributor are interpreted accordingly by the person skilled in the art.
  • the radius of curvature of the deflection surface is less than 0.3 meters.
  • Deflection surfaces of this type can be obtained, for example, in an economical manner from longitudinally open, curved tubes.
  • the concave deflection surface according to the invention can be composed without difficulty of sectionally juxtaposed or nested sections to facilitate maintenance.
  • a straight section adjoins the curvature of the deflection surface. In terms of design, this can be achieved by not removing the segment for the outlet of the water curtain, but after the longitudinal cutting upwards bent out and straightened, resulting in a baseball cap-like cross-section for the concave deflection.
  • the annular distributor according to the invention on the outside thereof, as well as the cooled walls of the quenching space, tend to cause caking of fine particles from the particle-laden gas. Therefore, such cooled walls are usually provided with a water film.
  • the water distribution system can also be modified by further embodiment of the ring manifold so that the production of the water films required for the Quenchraumwandungen and the outer wall of the ring manifold itself is alike. In this case, further lateral openings and opposite deflection surfaces are provided which form a water film generate, which adheres to the outer wall of the ring manifold and further to the wall of the quench and runs down it.
  • the person skilled in the art has to weigh up which geometric shape is to be selected for the respective purpose. If the water curtain in the middle of the central channel converge, so that the water curtain mainly decays in the central region, the water is to be directed vertically against the deflection without twist. However, if the falling water curtain is to contract first in the middle, then widen again during the further case, and if a more even radial distribution of the drops is desired to wet the edge regions of the reactor in the lower part of the water curtain, then the water curtain is a corresponding one Impose rotation around the reactor axis. In one embodiment of the method according to the invention is therefore provided that the water jets are directed in the circumferential direction of the reactor inclined to the deflection that the closed water film performs a rotation about the reactor axis.
  • the solids-laden water from the slag bath of the gasification reactor or the water from a water cycle downstream of the slag bath of the gasification reactor is used as water. Prior to use, only a coarse separation of larger slag particles is required, such as in a hydrocyclone.
  • Fig. 1 shows a cross-section of the device for the production of the free-falling, funnel-shaped and marginally closed water curtain with a gap according to the conventional art extended around a curved surface for equalization of the flat steel.
  • the device is in this case behind a cooled wall 2, which consists for example of evaporator tubes.
  • the hot gas emanating from a gasifier has a temperature in the range of 1000-2000 ° C and contains fly ash and molten slag particles. Coarse slag also falls in the central region of the usually cylindrical channel 1, whose diameter is in the range of 0.6 - 3 m at.
  • the quench water is fed at one or more points into the circulating channel 4 of the distributor 3, which consists of the rectangular upper part and a chamfered bottom.
  • the channel has a constant width over the circumference, but its height varies so that there is a constant flow velocity in the interior over the entire circumference. Only part of the cross-section is varied, drawn as height H1, but the remainder of the cross-section has a function similar to that of a flywheel to compensate for the effects of disturbances in the entrance area and deviations of the construction from the computationally ideal shape.
  • the water leaves the distributor through the outlet gap 5 and is then deflected on the deflector 6 designed as a concave surface. If small portions of the cross section of the outlet gap 5 are clogged, the outflowing water jet has gaps. On the curved surface, however, the water is forced so strongly against the concave surface that the gaps are closed. From the water film of the deflection 6, which is designed as a ramp, a water curtain 7, which is closed at first, emerges, which falls freely, and only decays as a result of the mixing with the hot gas 1. The closed water curtain prevents upward flow of the cooled, water-drop containing gas into the carburetor exit area, thereby preventing slag flow disturbances.
  • Fig. 2 shows a plan view of the position of the water distribution system in the gasification reactor, with the pressure vessel 8, the supply lines 9 of the water in the ring manifold 3 and the central cylindrical channel with hot gas 1.
  • the water supply via only one supply line would also be possible.
  • the ring distributor would then have a correspondingly larger diameter.
  • a larger supply line is cheaper than several smaller, but it is also stiffer, which can lead to thermal expansion differences between the manifold 3 and the pressure vessel 8. In terms of the number of feeders, an optimum can be found by the person skilled in the art.
  • Fig. 3 shows a perspective section of a ring manifold 3 with the deflection 11.
  • the inventive production of the water curtain 7 is carried out by means of much larger openings 10, which can not be clogged, and with a Deflection surface 11, on which the outflowing water jets are pressed flat by centrifugal forces and form a flat water curtain 7 at the exit.
  • a substantially constant speed of circulation of the water flow in the ring manifold 3 is required, which can be achieved by varying the cross section, in the present example, this is done by varying the height, but other variations can also be used .
  • the inflow of water takes place on the transverse surface next to the inscription H1.
  • H1 represents the variable part of the height
  • H2 represents the constant part of the total height, which is composed of H1 and H2.
  • the openings can, as in Fig. 3 shown as round holes, but also as rectangular slots or as straight or curved nozzles are executed.
  • the pulse of the circulating flow in the ring manifold 3 can be used for this purpose. It is sufficient to make the openings 10 so that the peripheral component of the pulse is not destroyed when the water exits through the openings 10. If the upper wall of the ring manifold 3 is significantly thinner than the length of the opening in the circumferential direction, the openings can be made perpendicular to the wall. For a thicker wall, the openings should be made obliquely, with the favorable angle resulting from the normal and tangential velocity components by vector addition.
  • Fig. 4 shows an advantageous geometry of a deflection surface 11.
  • the deflection surface should have a substantially circular or elliptical shape and include a deflection angle BETA.
  • the radii R1 and R2 can be varied within a wide range.
  • a section B which is straight in longitudinal section, ie a cone section in 3-dimensional view, so that no centrifugal forces act on the water at the trailing edge and change the direction of the jet. Only a short "straight" section is required.
  • a length of 5 to 10 water film thicknesses that is 10 to 20 mm with a 2 mm thick film of water, which slides along the deflection surface, a stable, uniform water fog is generated.
  • Fig. 5 shows an embodiment of the ring manifold 3 with nozzles as openings 10.
  • the outflow of water from the ring manifold 3 takes place here with nozzles which are inclined in the tangential direction.
  • the deflection surface 11 may be first to the outside be tilted to achieve larger orbital angles and thus cause the path on which the water jets are pressed flat by the centrifugal forces, is extended.
  • FIG. 5 shows a water film 15, which runs down on the side facing the reactor chamber on the ring manifold 3 and thus protects it from caking.
  • openings 12 are provided, through which flows a part of the water circulating in the manifold in a gap 14 which is formed for example by the inner wall of the ring manifold and a cylindrical plate 13 which is curved at the upper end, so that the water jets formed through the openings 12 are pressed flat and form a thin film on the surface 13 first.
  • the openings 12 may have similar shapes as the openings 10, so holes, slots or nozzles.
  • the circulation speed should be maintained during the flow, so that the film formed on the surface 13 is still thrown within the gap 14 by the centrifugal force to the wall 16.
  • the width of the gap 14 may be greater than that of the water film at low film thicknesses.
  • the deflection surface at the upper end of the sheet 13 is intended to have a very small radius, e.g. 30 mm.
  • the diameter of the openings 12 and the width of the gap 14 can be significantly greater than the thickness of the wall film produced, so that coarser, e.g. 10 mm large slag granules can flow through this device with the water unhindered.
  • the nozzle inside diameter is then to be selected with 10 mm to exclude blockages.
  • the distance between the nozzles is selected so that the required speed of 1.5 - 2 m / s prevails in the nozzles.
  • the nozzles should therefore be 40 mm apart.
  • the centrifugal acceleration of the water is 75 m / s 2 at 1.5 m / s and 133 m / s 2 at 2 m / s - that is 7 to 13 times the gravitational acceleration.
  • Fig. 6 shows a further embodiment of the water distribution system according to the invention.
  • the free falling water curtain 7 is generated similarly as in Fig. 3 and 5 , However, the wall film is produced by tangential injection of the water flowing through openings 12 onto the surface 16.
  • the speed of the water in the openings 12 may be higher than the speed of circulation of the water in the distributor 4, so that the water jets are pressed against the wall 16 and form a flat film.
  • a small, eg 10 mm wide diameter jump between surfaces 16 and 17 can be additionally provided, so that first a rotating, 10 mm thick water layer is formed, from which a thinner wall film with a first small vertical speed on the wall 17 succeeds.
  • a cylindrical wall with a diameter of 2 m is to be protected with a thin film of water against deposits, the narrowest cross sections should be at least 10 mm wide to exclude blockages, and the required normal initial speed of the free falling water curtain 7 and thus the normal water outlet velocity in the openings 10 and 12 is about 5 m / s.
  • the water flowing out through slots 12 has a centrifugal acceleration of 25 m / s 2 , which is significantly higher than the gravitational acceleration, thus producing a closed, thin film of water adhering to the wall can be.
  • the speeds of more than 3 m / s should be made of materials resistant to erosion, such as cast iron or ceramics, or coated with suitable material by means of metal parts by means of build-up welding.
  • Fig. 7 shows a further embodiment of the water distribution system according to the invention.
  • the free falling water curtain 7 is generated similarly as in Fig. 3 -6 and the wall film as in Fig. 5 ,
  • the partition wall consists of two concentric surfaces 16 and 17 and the water supply for the production of the film 16 and the water curtain films 7 takes place through the gap.
  • This solution is special favorable when the water from the slag bath within the pressure vessel with suitable pumping means, eg injectors, is conveyed to the openings 10 and 12.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Public Health (AREA)
  • Health & Medical Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Nozzles (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Claims (14)

  1. Système de distribution d'eau pour un réacteur de gazéification pour mettre en oeuvre un procédé à flux entraîné de formation de scories, dans lequel le gaz de synthèse produit s'écoule vers le bas pendant la réaction de gazéification, le réacteur de gazéification présentant :
    - un premier espace de réaction disposé en haut dans le réacteur, dans la région supérieure duquel est disposé un dispositif d'alimentation en charges, et dont les parois latérales sont munies de tubes avec refroidissement interne en tant que paroi de membrane ou de serpentins au niveau desquels les scories fluides peuvent s'écouler librement, sans que la surface de ces scories ne se solidifie et au niveau du côté interne duquel est prévue une ouverture avec un bord d'égouttage,
    - un deuxième espace se raccordant en bas à l'ouverture, dans lequel espace le gaz de synthèse est maintenu au sec et est refroidi par refroidissement par rayonnement, et un système de distribution d'eau pour produire un voile d'eau (7) en forme d'entonnoir étant prévu,
    - un troisième espace se raccordant en bas au deuxième espace, et un dispositif de prélèvement de gaz de synthèse hors du réacteur étant prévu en bas ou à côté du troisième espace,
    caractérisé en ce
    qu'il est prévu pour la formation du voile d'eau (7) en tant que système de distribution d'eau un distributeur annulaire concentrique (3) en association avec une surface de déflexion (11) à symétrie axiale, de courbure concave en section transversale,
    - le distributeur annulaire (3) présentant au moins une alimentation en eau (9),
    - le distributeur annulaire (3) présentant des ouvertures (10) qui sont réalisées de manière adaptée pour une sortie d'eau sous forme de jet,
    - la direction de jet des ouvertures (10) étant orientée vers le côté intérieur de la surface de déflexion de courbure concave (11),
    - dans la direction de jet des ouvertures (10), l'orientation de surface de la surface de courbure concave (11) étant tellement marquée que la direction de jet et le plan tangent à la surface en section transversale au point d'incidence du jet soient orientés l'un par rapport à l'autre suivant un angle aigu compris entre 0 et 45 degrés et
    - la surface de déflexion (11) présentant une courbure en section transversale telle qu'elle présente un angle de déflexion (BETA) supérieur à 60 degrés.
  2. Système de distribution d'eau selon la revendication 1, caractérisé en ce que les ouvertures (10) sont réalisées sous forme de buses orientées vers le haut.
  3. Système de distribution d'eau selon la revendication 2, caractérisé en ce que les buses orientées vers le haut présentent une inclinaison tangentielle dans la direction de la périphérie du réacteur.
  4. Système de distribution d'eau selon l'une quelconque des revendications 2 ou 3, caractérisé en ce que les buses orientées vers le haut présentent une inclinaison vers l'axe médian du réacteur.
  5. Système de distribution d'eau selon la revendication 1, caractérisé en ce que le distributeur annulaire (3) est réalisé avec différentes sections transversales d'écoulement (4) qui se rétrécissent à partir de l'alimentation (9) du distributeur annulaire (3) vers chacune des ouvertures (10).
  6. Système de distribution d'eau selon la revendication 1, caractérisé en ce que le rayon de courbure de la surface de déflexion (11) est inférieur à 0,3 m.
  7. Système de distribution d'eau selon la revendication 1, caractérisé en ce que la surface concave (11) est constituée de portions attachées les unes aux autres.
  8. Système de distribution d'eau selon l'une quelconque des revendications 1, 6 ou 7, caractérisé en ce qu'une portion droite se raccorde à la courbure de la surface de déflexion (11) .
  9. Système de distribution d'eau selon l'une quelconque des revendications 1 à 8, caractérisé en ce que d'autres ouvertures latérales et des surfaces de déflexion qui leur sont opposées sont prévues au niveau du distributeur annulaire.
  10. Procédé de distribution d'eau au moyen d'un système de distribution d'eau selon la revendication 1 dans un réacteur de gazéification, lors de la mise en oeuvre d'un procédé à flux entraîné de formation de scories, dans lequel le gaz de synthèse produit s'écoule vers le bas pendant la réaction de gazéification et dans lequel est généré un voile d'eau (7) en forme d'entonnoir, fermé au bord, caractérisé en ce que
    - l'eau est conduite sous pression dans un distributeur annulaire (3), qu'elle traverse à une vitesse d'au moins 0,5 m/s jusqu'à ce qu'elle sorte à travers des ouvertures (10) hors du distributeur annulaire (3),
    - à la sortie hors des ouvertures (10), elle forme à chaque fois un jet d'eau qui parvient sur une surface de déflexion (11),
    - chacun des jets d'eau, lors de son glissement le long de la surface de déflexion (11), est étalé en éventail et s'associe au jet d'eau de l'ouverture (10) respectivement adjacente pour former un film d'eau fermé,
    - ce film d'eau fermé, après avoir quitté la surface de déflexion (11), est guidé vers le bas dans l'espace interne du réacteur.
  11. Procédé selon la revendication 10, caractérisé en ce que les jets d'eau sont guidés de manière inclinée vers la surface de déflexion (11) de telle sorte que le film d'eau fermé effectue une rotation autour de l'axe du réacteur.
  12. Procédé selon la revendication 10, caractérisé en ce qu'au moins un film d'eau supplémentaire (15) est généré par le biais d'ouvertures latérales (12) et de leurs surfaces de déflexion opposées (13), lequel adhère aux parois refroidies du distributeur annulaire ou de l'espace de trempe, qui sont exposées au gaz produit.
  13. Procédé selon l'une quelconque des revendications 10 à 12, caractérisé en ce que l'on utilise pour l'eau de l'eau chargée en matières solides provenant du bain de scories du réacteur de gazéification.
  14. Procédé selon l'une quelconque des revendications 10 à 12, caractérisé en ce que l'on utilise pour l'eau de l'eau provenant d'un circuit d'eau monté en aval du bain de scories du réacteur de gazéification.
EP11708399.8A 2010-03-01 2011-02-23 Système de distribution d'eau pour un réacteur de gazéification Not-in-force EP2542653B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010009721 DE102010009721B4 (de) 2010-03-01 2010-03-01 Wasserverteilsystem und Verfahren zur Wasserverteilung in einem Vergasungsreaktor zur Durchführung eines schlackebildenden Flugstromverfahrens
PCT/EP2011/000863 WO2011107228A2 (fr) 2010-03-01 2011-02-23 Système de distribution d'eau dans un réacteur de gazéification

Publications (3)

Publication Number Publication Date
EP2542653A2 EP2542653A2 (fr) 2013-01-09
EP2542653B1 true EP2542653B1 (fr) 2018-07-25
EP2542653B8 EP2542653B8 (fr) 2018-10-17

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EP11708399.8A Not-in-force EP2542653B8 (fr) 2010-03-01 2011-02-23 Système de distribution d'eau pour un réacteur de gazéification

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EP (1) EP2542653B8 (fr)
JP (1) JP2013521353A (fr)
KR (1) KR101805220B1 (fr)
CN (1) CN102844411B (fr)
AU (1) AU2011223250B2 (fr)
BR (1) BR112012021871A2 (fr)
CA (1) CA2791819C (fr)
CU (1) CU23995B1 (fr)
DE (1) DE102010009721B4 (fr)
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AU2011223250B2 (en) 2015-09-03
CN102844411B (zh) 2014-08-27
CA2791819C (fr) 2018-05-08
CU23995B1 (es) 2014-04-24
TW201137109A (en) 2011-11-01
RU2012138293A (ru) 2014-04-10
HK1180000A1 (en) 2013-10-11
US20130118587A1 (en) 2013-05-16
CN102844411A (zh) 2012-12-26
EP2542653A2 (fr) 2013-01-09
UA110784C2 (uk) 2016-02-25
EP2542653B8 (fr) 2018-10-17
DE102010009721A1 (de) 2011-09-01
KR101805220B1 (ko) 2018-01-10
TWI522455B (zh) 2016-02-21
US9175809B2 (en) 2015-11-03
CU20120130A7 (es) 2013-01-30
BR112012021871A2 (pt) 2021-03-30
JP2013521353A (ja) 2013-06-10
KR20130048721A (ko) 2013-05-10
RU2570866C2 (ru) 2015-12-10
WO2011107228A2 (fr) 2011-09-09
CA2791819A1 (fr) 2011-09-09
DE102010009721B4 (de) 2012-01-19
WO2011107228A3 (fr) 2012-01-19
AU2011223250A1 (en) 2012-09-13

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