EP1025399B1 - Dispositif servant a injecter de la vapeur dans de l'eau en ecoulement pour rechauffer cette eau - Google Patents

Dispositif servant a injecter de la vapeur dans de l'eau en ecoulement pour rechauffer cette eau Download PDF

Info

Publication number
EP1025399B1
EP1025399B1 EP98961036A EP98961036A EP1025399B1 EP 1025399 B1 EP1025399 B1 EP 1025399B1 EP 98961036 A EP98961036 A EP 98961036A EP 98961036 A EP98961036 A EP 98961036A EP 1025399 B1 EP1025399 B1 EP 1025399B1
Authority
EP
European Patent Office
Prior art keywords
steam
water
encasing
nozzle
entrance port
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.)
Revoked
Application number
EP98961036A
Other languages
German (de)
English (en)
Other versions
EP1025399A1 (fr
Inventor
Rainer Fröb
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8047757&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1025399(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP1025399A1 publication Critical patent/EP1025399A1/fr
Application granted granted Critical
Publication of EP1025399B1 publication Critical patent/EP1025399B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B3/00—Condensers in which the steam or vapour comes into direct contact with the cooling medium
    • F28B3/06—Condensers in which the steam or vapour comes into direct contact with the cooling medium by injecting the steam or vapour into the cooling liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3133—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit characterised by the specific design of the injector
    • B01F25/31331—Perforated, multi-opening, with a plurality of holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/90—Heating or cooling systems
    • B01F35/91—Heating or cooling systems using gas or liquid injected into the material, e.g. using liquefied carbon dioxide or steam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D1/00—Steam central heating systems
    • F24D1/005—Steam central heating systems in combination with systems for domestic water supply
    • 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
    • F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
    • F28C3/08—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour with change of state, e.g. absorption, evaporation, condensation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/90—Heating or cooling systems
    • B01F2035/99—Heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/28—Safety or protection arrangements; Arrangements for preventing malfunction for preventing noise

Definitions

  • the invention relates to a device for injecting steam into flowing Water for the purpose of heating the water and a method of regulating an amount of steam.
  • the Invention on such an injector as used in connection with a method according to German patent 44 32 464, which is a method for heating heating or process water using steam from the steam network a long-distance pipeline, in which the steam is circulated, Water to be heated is injected, the water to be injected Amount of steam by (outside) temperature-controlled removal of water or Condensate is controlled in the condensate line of the steam network.
  • the invention has for its object to provide a device for injecting steam, in which the Injection of steam into the water is particularly quiet or noiseless.
  • Another object of the invention is to design the device so that the Steam can be introduced into the water in a variable amount from 0 to 100%, thus the device for outside temperature-dependent heating in building technology can be used.
  • the regulations of Heating system regulation and the safety regulations according to DIN 4751 are observed become.
  • the regulation of the amount of heat to be transferred should exclusively through a quantity-regulated outflow of water from the System and a resulting post-flow of the equivalent amount of steam respectively. With a transfer heat quantity of 0, the steam must be as static pressure is present on the system.
  • a device having the features of claim 1 for injecting steam into flowing Water proposed with a substantially closed housing, one Mixing room inside the housing, in which the steam with the to be heated Water is mixed, in each case a water inlet opening and a water outlet opening in the housing, with the water from the water inlet opening above the mixing room is led to the water outlet opening, a steam room inside of the housing, a steam inlet opening in the housing, the steam from the Steam inlet opening is passed into the steam space, a partition between Steam room and mixing room, with a large number of nozzle holes in the partition designed for accelerated passage of the steam into the mixing room are, and a fine-mesh structure on the facing the mixing room Wall of the partition at least in the area of the nozzle bores to shred the steam bubbles emerging at the nozzle bores, the number of nozzle bores and their cross-section so designed are that in the area of the nozzle bores a flow rate of Steam does not fall below 100 m / s.
  • the nozzle bores have a diameter of at most 3 mm, better still at most 2 mm, and optimal results were achieved with a nozzle diameter of about 1.5 mm.
  • the mesh size of the fine-mesh structure is also advantageous to have the mesh size of the fine-mesh structure not more than 3 mm, preferably about 2 mm.
  • the material of the fine-mesh structure should preferably have a thickness of at most 1 mm about 0.5 mm are particularly advantageous.
  • Such a fine-meshed structure can be formed in particular by a fine-meshed stainless steel gauze is arranged in multiple layers over the nozzle bores.
  • An overall thickness of fine mesh Structure of at least 5 mm, preferably of at least 15 mm has proven to be beneficial.
  • the Partition is at least partially designed as a nozzle tube, which with the Steam inlet port is connected and down into the from the housing defined cavity extends.
  • the nozzle bores can in particular be formed spirally on the cylinder wall of the nozzle tube, whereby there is a practically infinitely variable regulation of the amount of steam introduced.
  • FIG. 1 One in total with the reference number 100 designated circuit line for heating water, which is completely vented Superheated steam from a steam line via an injector 402 according to the invention 110 of a steam network supplied to a district heating system.
  • the steam pipe 110 On the steam pipe 110 are a shut-off valve 104, a manometer 106 and in front of the injector 402 a thermometer 108 is arranged.
  • a vent valve 114 on the circuit line arranged.
  • the adjoining line section 118 of the Circuit line can be referred to as the flow of building heating and on one after the other are a thermostat switch 120, a sensor 122, a pressure switch 124 and a safety valve 126 are arranged.
  • Heat consumers After flowing through the heated heating water through the not shown Heat consumers (radiators) return the heating water via the as a return designating line section 128, at which line section a manometer 130 and then a drain valve 132 are arranged. The cooled heating water is then a circulation pump 134, a Check valve 136 and a throttle valve 138 are returned to injector 402.
  • the condensate line branches between the check valve 136 and the throttle valve 138 112, via which the condensate is returned to the district heating network becomes. Seen in the flow direction of the condensate are in the condensate line 112 in series a shut-off valve 140, a motor-operated temperature controller 142, a flow differential pressure regulator 144, a check valve 146 and a further shut-off valve 148 is arranged. Between check valve 146 and shut-off valve 148 there is a manometer 150.
  • a heat meter 152 arranged, each in a known manner with one on the line section 118 (flow) and 128 (return) sensors 154 and 156 respectively cooperates.
  • Reference number 158 denotes a central regulating or control module, which the operation of the system depending on the outside temperature, cf. Outside sensor 160, controls.
  • German patent 44 32 464 Because of further details regarding the structure and functioning of the Appendix is expressly referred to German patent 44 32 464.
  • FIG. 2 is a preferred embodiment shows the details of the injector according to the invention.
  • the injector 402 according to the invention is in the heating system is installed in the position shown in FIG. 2, ie in an upright position Position.
  • Injector 402 includes a generally cylindrical housing 404 with a upper housing half 406 and a lower housing half 408, both housing halves are flanged together by means of flanges 410, 412.
  • the housing 404 has a substantially cylindrical cavity 414 and is, with one exception of the openings described below, closed on all sides.
  • a water inlet opening 416 is defined at the lower end of the housing 404 About the pipe socket 418 to the line section of the circuit line 100, the Throttle valve 138 leads, is connected.
  • Housing 404 is formed laterally radially to the central axis of the housing Water outlet opening 420 is provided, which via a pipe socket 422 to the line piece of the circuit line 100 leading to the vent valve 114 is connected is.
  • the opening 420 is located in the upper area of the housing 404, is, however, for the reasons described below, from the upper end of the Cavity 414 spaced.
  • a steam inlet opening 424 is formed at the upper end of the housing 404, via an angled pipe socket 426 to the steam line 110 connected.
  • a steam pipe section extends from the steam inlet opening 424 down and ends in a welding sleeve 428, which is at the level of the division level ends between the upper and lower housing halves 406 and 408.
  • a nozzle tube 430 can be exchanged into the thread via a thread (not shown) Welding socket 428 screwed in.
  • the cylindrical nozzle tube 430 runs coaxial to the axis of the cylindrical cavity 414 of the housing 404, is on closed at its lower end and extends to near the lower end cavity 414.
  • the nozzle tube 430 has a plurality of small nozzle bores 432 on that spiral in one or more spirals in the cylindrical Shell surface of the nozzle tube are formed and are evenly distributed.
  • the nozzle tube 430 is wrapped with a fine-meshed stainless steel gauze 434, this stainless steel gauze arranged in a plurality of layers one above the other and covers the entire area of the nozzle bores 432.
  • a vent dome 436 is formed, which is defined by the cavity above the water outlet opening 420.
  • the dome bottom of the venting dome 436 is equipped with an automatic steam vent 438 provided.
  • the diameter is Nozzle holes 1.5 mm.
  • the stainless steel gauze consists of wire with a diameter of 0.5 mm and has a mesh size of 2 mm.
  • the winding thickness of the stainless steel gauze is 15 mm.
  • the selected nominal size When dimensioning the steam line, the selected nominal size must be used a maximum flow rate of 25 m / s can be maintained.
  • the number the nozzle bores and thus the injection cross-section are chosen so that a flow rate of preferably at full steam throughput 130 m / s is not fallen below.
  • the flow rate of the to be heated Water is chosen so large that the temperature at the water outlet is the saturation temperature clearly falls short.
  • this includes a central cylindrical space 440 over which the Steam enters the housing of the injector and one surrounding room 440 annular space 442 extending from space 440 through nozzle tube 430 (and the extension leading up to the steam inlet opening 424) is separated is, with both spaces exclusively via the nozzle bores 432 with each other stay in contact.
  • the water circulates with a constant or variable flow from the water inlet opening 416 via the mixing space 442 to the water outlet opening 420.
  • the steam enters from the steam inlet opening 424 Steam chamber 440 and passes through the nozzle bores 432 into the Mixing room 442 where it is heated for the purpose of heating into the flow therein Water is introduced.
  • the Steam bubbles can be very small.
  • the first phase of crushing is done by the steam passes through the small nozzle holes.
  • the second phase the steam accelerated into the gauze coil 434 through the nozzle bores.
  • the condensation is the heat transfer completed by steam on the water to be heated.
  • the outflow of water is regulated by the Temperature controller 142 in the condensate line 112, so that none on the steam side Control valve for the amount of steam may be used.
  • the flow rate in the Nozzle bores a minimum speed even with lower steam throughput, which in the case of the present exemplary embodiment is set at 130 m / s was not undercut.
  • the injection cross-section be reduced.
  • the cross section of the injection is reduced by the Water level in the nozzle pipe is changed by the regulated water outflow and thus the nozzle holes covered with water for the passage of steam be blocked.
  • Air bubbles entering the injector can be located under the vent dome 436 collect and are automatically released into the open via the steam vent 438 dissipated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Water Supply & Treatment (AREA)
  • Nozzles (AREA)
  • Commercial Cooking Devices (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Physical Water Treatments (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)

Claims (16)

  1. Dispositif d'injection de vapeur dans eau coulant servant au chauffage de l'eau et se composant:
    a) d'une boíte fermée dans l'essentiel (404),
    b) d'une chambre de mixage (442) située à l'intérieur de la boíte (404)servant à accueillir la vapeur qui est mêlée à l'eau à chauffer,
    c) chaque fois, d'une ouverture d'entrée de l'eau (416) et d'une ouverture de sortie de l'eau (420) à l'intérieur de la boíte (404), cependant l'eau est dirigé à partir de l'ouverture d'entrée de l'eau (416) vers l'ouverture de sortie de l'eau (420) passant par la chambre de mixage (442),
    d) d'une chambre à vapeur (440) située à l'intérieur de la boíte,
    e) d'une ouverture d'entrée de vapeur (424) localisée à l'intérieur de la boíte (404), cependant la vapeur est dirigée à partir de l'ouverture d'entrée de vapeur (424) vers la chambre à vapeur (440),
    étant caractérisé par le fait
    f) qu'un paroi de séparation (430) est prévu entre la chambre à vapeur (440) et la chambre de mixage (442), cependant le paroi de séparation (430) est doté d'un certain nombre de trous de busette (432) servant à accélérer le passage de la vapeur vers la chambre de mixage (442) et
    g) qu'une structure à mailles fines (434) est au moins prévue au niveau du paroi de séparation (430) en face du paroi de la chambre de mixage (442)et cela dans la zone des trous de busette (432) servant au broyage des bulles de vapeur accélérées sortant des trous de busette,
    cependant,
    h1) le nombre et la coupe en travers des trous de busette (432) ont été prévu de sorte qu'une vitesse d'écoulement de la vapeur s'élevant à 100 m/s est atteinte au niveau des trous de busette,
    et/ou
    h2) à partir du moment où le dispositif est complètement monté, les trous de busette (432) sont arrangés, au moins à part, à des hauteurs différentes.
  2. Conformément à la revendication 1, le dispositif est caractérisé par le fait que les trous de busette (432) ont un diamètre de 3 mm au maximum, les 2 mm, particulièrement 1,5 ± 0,1 mm environ, étant préférable.
  3. Conformément à la revendication 1 et 2, le dispositif est caractérisé par le fait que la structure à mailles fines (434) est de 3 mm au maximum, les 2 mm environ étant préférable.
  4. Conformément à une des revendications susmentionnées, le dispositif est caractérisé par le fait que le matériel de la structure à mailles fines (434) a une épaisseur de 1 mm au maximum, une épaisseur de 0,5 mm étant préférable.
  5. Conformément à une des revendications susmentionnées, le dispositif est caractérisé par le fait que la structure à mailles fines (434) se présente sous forme d'une gaze en acier fin.
  6. Conformément à une des revendications susmentionnées, le dispositif est caractérisé par le fait que la structure à mailles fines (434) a une épaisseur d'au moins 5 mm, les 15 mm étant préférable, mesurée verticalement par rapport au niveau du paroi de séparation.
  7. Conformément à une des revendications susmentionnées, le dispositif est caractérisé par le fait que l'ouverture d'entrée de l'eau (416) se localise dans la zone inférieure de la boíte (404) et l'ouverture de sortie de l'eau (420) ainsi que l'ouverture d'entrée de vapeur (424) se localise dans la zone supérieure de la boíte (404) pendant que le paroi de séparation (430) couvre la boíte à partir d'une zone supérieure vers une zone inférieure de celle-ci.
  8. Conformément à une des revendications susmentionnées, le dispositif est caractérisé par le fait que l'ouverture d'entrée de vapeur (424) est reliée à un tube à tuyère (430), celui-ci définissant la situation du paroi de séparation.
  9. Conformément à la revendication 7 et 8, le dispositif est caractérisé par le fait que la boíte (404) définisse une cavité allongé (414), au niveau de l'extrémité supérieure de celle-ci se localisant une ouverture d'entrée de vapeur (424) qui est rejointe, éventuellement par intercalage d'un autre tronçon de tube, par le tube à tuyère (430) se localisant vers le bas qui est doté de l'ouverture de sortie de l'eau (420) se trouvant au niveau latéral dans la zone supérieure de la boíte (404).
  10. Conformément à une des revendications susmentionnées, le dispositif est caractérisé par le fait qu'un dispositif de ventilation (436, 438) se localise au-dessus de l'ouverture de sortie de l'eau.
  11. Conformément à une des revendications susmentionnées, le dispositif est caractérisé par le fait que les trous de busette (432) sont placés en boudin au niveau du paroi de cylindre d'un tube à tuyère (430).
  12. Conformément à une des revendications susmentionnées, le dispositif est caractérisé par le fait que l'ouverture de sortie de l'eau (420) est arrangée au-dessus des trous de busette (432).
  13. S'agissant d'une procédure servant à régler une certaine quantité de vapeur à chauffer qui est introduite dans un circuit d'eau, se basant sur un injecteur à vapeur avec une boíte fermée dans l'essentiel (404), une chambre de mixage (442) à l'intérieur de la boíte (404) où la vapeur est mêlée à l'eau à chauffer, étant disponible une ouverture d'entrée de l'eau (416) et une ouverture de sortie de l'eau (420) au niveau de la boíte (404), cependant, l'eau est dirigé à partir de l'ouverture d'entrée de l'eau (416) vers l'ouverture de sortie de l'eau (420) passant par la chambre de mixage (442), étant également disponible une chambre à vapeur (440) à l'intérieur de la boíte et une ouverture d'entrée de vapeur (424) au niveau de la boíte (404), cependant, la vapeur est dirigée à partir de l'ouverture d'entrée de vapeur (424) vers la chambre à vapeur (440), étant disponible un paroi de séparation (430) doté de passages perméable à vapeur et localisé entre la chambre à vapeur (440) et la chambre de mixage (442), étant caractérisé par le fait que la quantité de vapeur nécessaire au réchauffement de l'eau et correspondant à la même quantité d'eau sortant est réglée au moyen d'un coupe en travers d'injection partant de la chambre à vapeur vers la chambre de mixage tout en variant la coupe en travers d'injection des passage perméables à vapeur via le niveau d'eau dans la chambre à vapeur (440), celui-ci étant défini à l'aide de la quantité réglée d'eau évacué.
  14. Conformément à la revendication 13, la procédure est caractérisée par le fait que, au cas où tous les passages perméables à vapeur seraient couvert d'eau, il n'y a pas de passage de vapeur au niveau des trous de busette, cependant, l'eau ne sort pas du système et la quantité de chaleur absorbée est zéro.
  15. Conformément à la revendication 13, la procédure est caractérisée par le fait que la vapeur entre par tous les passages perméables à vapeur aussitôt qu'il y a de la vapeur dans toute la longueur du tube à tuyère, cependant, la quantité d'eau sortant correspond à la quantité de vapeur et la quantité de chaleur absorbée correspond au rendement maximal suivant la conception du dispositif.
  16. Conformément à une des revendications 13 à 15, la procédure est caractérisée par le fait que la vitesse d'écoulement de la vapeur dans l'injecteur reste invariable.
EP98961036A 1997-10-24 1998-10-23 Dispositif servant a injecter de la vapeur dans de l'eau en ecoulement pour rechauffer cette eau Revoked EP1025399B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29719007U 1997-10-24
DE29719007U DE29719007U1 (de) 1997-10-24 1997-10-24 Vorrichtung zum Injektieren von Dampf in strömendes Wasser zum Zwecke des Erhitzens des Wassers
PCT/DE1998/003120 WO1999022178A1 (fr) 1997-10-24 1998-10-23 Dispositif servant a injecter de la vapeur dans de l'eau en ecoulement pour rechauffer cette eau

Publications (2)

Publication Number Publication Date
EP1025399A1 EP1025399A1 (fr) 2000-08-09
EP1025399B1 true EP1025399B1 (fr) 2002-04-10

Family

ID=8047757

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98961036A Revoked EP1025399B1 (fr) 1997-10-24 1998-10-23 Dispositif servant a injecter de la vapeur dans de l'eau en ecoulement pour rechauffer cette eau

Country Status (5)

Country Link
EP (1) EP1025399B1 (fr)
AT (1) ATE216054T1 (fr)
AU (1) AU1661799A (fr)
DE (2) DE29719007U1 (fr)
WO (1) WO1999022178A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20007262U1 (de) 2000-04-19 2000-08-03 Petrick & Wolf Energietechnik Dampfinjektor
US9207017B2 (en) 2012-04-23 2015-12-08 Hydro-Thermal Corporation Fluid diffusing nozzle design
CN103256588A (zh) * 2013-05-24 2013-08-21 张家港十方电力科技有限公司 一种蒸汽加热器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997032113A1 (fr) * 1994-08-29 1997-09-04 Ranotor Utvecklings Ab Installation de type moteur a vapeur comprenant un systeme de condenseur
DE4432464C2 (de) 1994-09-12 1996-08-08 Ecf En Consulting Gmbh Verfahren und Anlage zum Erhitzen von Wasser mittels Dampf aus dem Dampfnetz einer Fernheizung

Also Published As

Publication number Publication date
AU1661799A (en) 1999-05-17
ATE216054T1 (de) 2002-04-15
EP1025399A1 (fr) 2000-08-09
WO1999022178A1 (fr) 1999-05-06
DE59803776D1 (de) 2002-05-16
DE29719007U1 (de) 1999-02-25

Similar Documents

Publication Publication Date Title
DE19538236A1 (de) Heizwalze
DE3123875A1 (de) "abnehmerzentrum fuer bereichsheizsysteme"
EP1025399B1 (fr) Dispositif servant a injecter de la vapeur dans de l'eau en ecoulement pour rechauffer cette eau
DE4304972C2 (de) Dampfumformventil
DE1792139A1 (de) Mehrstufen-Entspannungsverdampfer fuer die Destillation von Seewasser od.dgl.
CH692823A5 (de) Schichtenspeicheranordnung.
EP1157755B1 (fr) Distributeur à buses pour le refroidissement ou le décalaminage de matériaux allongés métalliques, en particulier de produits laminés
DE1809585A1 (de) Stroemungsmittelgeraet,insbesondere Wirbelstromventil
WO2001081832A1 (fr) Injecteur de vapeur
DE3005643C2 (de) Notspeiseanlage für einen Dampferzeuger
EP3409654B1 (fr) Dispositif de traitement de matériaux organiques
EP1249662B1 (fr) Générateur de vapeur
EP0020872B1 (fr) Installation de chauffage à eau chaude ou de préparation d'eau chaude avec un éjecteur réglable et éjecteur pour cette installation
DE4305694A1 (de) Verteileraggregat für mit einem strömungsfähigen Wärmeträgermedium arbeitende Heiz- oder Kühlanlagen
DE69824497T2 (de) Vorrichtung zur Regulierung der Bewegung von Feststoffpartikeln in Wirbelschichten
DE1579842C3 (de) Heizkörper-AnschluBvorrichtung für eine Zentralheizungsanlage
DE3508145C2 (fr)
EP0072020B1 (fr) Condenseur ouvert
EP1063401B1 (fr) Appareil et procédé pour séparer l'air d'un liquide
EP0049503B1 (fr) Installation de calorifères à eau chaude comprenant une pompe de chaleur et un réservoir d'accumulation de chaleur
EP0244597A1 (fr) Dispositif de transfert hydraulique de corps et emploi de ce dispositif
DE2520159A1 (de) Heizkoerperarmatur
DE10257209B3 (de) Verteilereinrichtung für eine Warmwasser-Schichtspeichervorrichtung und entsprechende Warmwasser-Schichtspeichervorrichtung
DE3039227C2 (de) Verfahren zur Einschränkung von Betriebsstörungsauswirkungen im Atomkraftwerk und Anlage zu dessen Durchführung
DE69204524T2 (de) Notkühlungsspeicher für Kernreaktor.

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: 20000420

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT DE FR

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

17Q First examination report despatched

Effective date: 20011004

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT DE FR

REF Corresponds to:

Ref document number: 216054

Country of ref document: AT

Date of ref document: 20020415

Kind code of ref document: T

REF Corresponds to:

Ref document number: 59803776

Country of ref document: DE

Date of ref document: 20020516

ET Fr: translation filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20021015

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20021031

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20021114

Year of fee payment: 5

PLBQ Unpublished change to opponent data

Free format text: ORIGINAL CODE: EPIDOS OPPO

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

PLBF Reply of patent proprietor to notice(s) of opposition

Free format text: ORIGINAL CODE: EPIDOS OBSO

26 Opposition filed

Opponent name: HELMUT BAELZ GMBH

Effective date: 20030110

R26 Opposition filed (corrected)

Opponent name: HELMUT BAELZ GMBH

Effective date: 20030110

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

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 NON-PAYMENT OF DUE FEES

Effective date: 20031023

RDAF Communication despatched that patent is revoked

Free format text: ORIGINAL CODE: EPIDOSNREV1

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 THE APPLICANT RENOUNCES

Effective date: 20040124

RDAG Patent revoked

Free format text: ORIGINAL CODE: 0009271

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: PATENT REVOKED

27W Patent revoked

Effective date: 20040205