EP2601472B1 - Vaporiseur a tubes en forme de u - Google Patents

Vaporiseur a tubes en forme de u Download PDF

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Publication number
EP2601472B1
EP2601472B1 EP11736387.9A EP11736387A EP2601472B1 EP 2601472 B1 EP2601472 B1 EP 2601472B1 EP 11736387 A EP11736387 A EP 11736387A EP 2601472 B1 EP2601472 B1 EP 2601472B1
Authority
EP
European Patent Office
Prior art keywords
vaporiser
liquid
chamber
partition
tubes
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.)
Active
Application number
EP11736387.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2601472A1 (fr
Inventor
Jean-Marc Peyron
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.)
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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.)
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Publication date
Application filed by LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Publication of EP2601472A1 publication Critical patent/EP2601472A1/fr
Application granted granted Critical
Publication of EP2601472B1 publication Critical patent/EP2601472B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B7/00—Steam boilers of furnace-tube type, i.e. the combustion of fuel being performed inside one or more furnace tubes built-in in the boiler body
    • F22B7/16—Component parts thereof; Accessories therefor, e.g. stay-bolt connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/06—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits having a single U-bend
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/0265—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using guiding means or impingement means inside the header box
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0061—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for phase-change applications
    • F28D2021/0064—Vaporizers, e.g. evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
    • F28D2021/0071—Evaporators

Definitions

  • the present invention relates to a vaporizer according to the preamble of claim 1.
  • EP 0 856 714 discloses the features of this preamble.
  • a vaporizer constituted by a heat exchanger in which a heat transfer fluid transfers heat to a liquid to be vaporized, the liquid flowing in at least one U-shaped tube connected to a plate.
  • This vaporizer may for example be a backup vaporizer, which vaporizes cryogenic liquid to a network, to compensate the flow from a cryogenic unit.
  • This system is usually powered by a cryogenic pump and the vaporized liquid in the pin is sent to the customer when the air separation unit stops.
  • a vaporizer 4 consisting of a cylindrical chamber 7 and a hemispherical dome, both being separated by a vertical plate 13 pierced with openings. These openings are connected to U-shaped pipes so that one end of the pipe is attached to an opening in the lower part of the vertical plate 13 and the other end is attached to an opening in the upper part of this plate .
  • the dome is divided in a sealed manner into an upper part 5 and a lower part 3 by a horizontal flat plate forming a partition 6.
  • a liquid to be vaporized is introduced into the lower part 3 which forms a feed chamber and circulates in tubes U-shaped 17.
  • the liquid arrives towards the upper part 5 of the dome 2, which constitutes an evacuation chamber. There it is entirely vaporized by the exchange of heat with steam 9 or other heat transfer gas sent into the chamber 7 and which circulates around the tube or tubes 17. The gas formed by vaporizing the liquid is withdrawn from the upper part 5 of the dome 2. The cooled water vapor 11 exits to the atmosphere at the top of the chamber 7.
  • This vaporization system has a relatively long start-up time, even when the cryogenic pump sends the full flow to this system emergency, it is necessary to wait between 30 seconds and a minute before observing the full flow of vaporization.
  • An object of the invention is to reduce the commissioning time of a vaporizer and reduce the overall cost of the apparatus incorporating the vaporizer by eliminating or reducing the size of the buffer capacity.
  • a vaporizer comprising a plurality of U-shaped tubes contained in an enclosure, each tube having two ends, the tubes being arranged in at least one plane, the enclosure being closed on one side by a plate having as many apertures as there are tube ends, the apertures comprising apertures and low apertures, each tube being connected at one end to a top aperture of the plate and at a bottom end to a low opening of the plate, a dome covering the plate on the opposite side to that of the tubes, the dome being delimited by a partition orthogonal to the plane of the tubes to form an intake chamber and a discharge chamber characterized in that the intake chamber is divided into two parts by a partition perpendicular to the plane of the tubes and the partition to form a liquid inlet chamber between the plate and the partition and a chamber auxiliary on the other side of the partition, the liquid inlet from the outside of the vaporizer opening into the inlet chamber and the auxiliary chamber being arranged to receive only liquid from the inlet chamber so that the liquid coming from
  • a cryogenic distillation separation apparatus comprising a vaporizer according to one of the preceding claims and means for supplying it with cryogenic liquid.
  • a method of vaporizing a liquid in a vaporizer according to one of claims 1 to 13 in which a heat-generating gas is sent to the chamber, a liquid to be vaporized is introduced into the inlet chamber and evacuates the liquid vaporized by the evacuation chamber.
  • the improvement device according to the invention is therefore a weir system which preferentially feeds the tubes of the exchanger to the rise in production of the vaporization system.
  • This spillway consists of a solid plate open at the top and equipped with a deconcentration hole for hydrocarbon safety located at the bottom of the tank.
  • the invention will be described in more detail with reference to the Figures 2 and 3 .
  • the Figure 2 illustrates a vertical section of the vaporizer and the Figure 3 shows a side view of the interior of the vaporizer of the Figure 2 .
  • the vaporizer of the Figure 2 differs from that of the Figure 1 in that a solid plate 21 forms a partial partition dividing the lower part 3 of the dome 2 into two unequal parts.
  • the left part of the Figure 1 corresponds to the left side of the vaporizer of the Figure 2 .
  • the partition 21 is arranged substantially vertically, so that about one third of the volume of the lower part 3 is between this partition 21 and the plate 13.
  • the partition 21 does not extend to the horizontal plate of the partition 6 and an opening 23 is formed in the middle of the partition 21 at its bottom edge.
  • the liquid enters from the outside into the space of the lower part 3 only through an inlet disposed between the plate 13 and the partition 21. Since the opening 23 is small, the liquid accumulates in this space and the liquid level rises so that all the pipes 17 opening into the plate 13 are fed. When the higher level of the plate 21 is reached, the liquid flows to the other side of the plate 21. To avoid the accumulation of impurities, such as hydrocarbons, the liquid can also pass into the opening 23 .
  • the plate 13 has a horizontal edge and a curved edge that matches the interior of the lower part 3 of the dome 2.
  • the invention is also applicable to the vaporization of liquids that condense at temperatures above cryogenic temperatures.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Geometry (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP11736387.9A 2010-08-02 2011-07-29 Vaporiseur a tubes en forme de u Active EP2601472B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1056376A FR2963417B1 (fr) 2010-08-02 2010-08-02 Vaporiseur a tubes en forme de u
PCT/EP2011/063061 WO2012016915A1 (fr) 2010-08-02 2011-07-29 Vaporiseur a tubes en forme de u

Publications (2)

Publication Number Publication Date
EP2601472A1 EP2601472A1 (fr) 2013-06-12
EP2601472B1 true EP2601472B1 (fr) 2015-03-04

Family

ID=43767345

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11736387.9A Active EP2601472B1 (fr) 2010-08-02 2011-07-29 Vaporiseur a tubes en forme de u

Country Status (8)

Country Link
US (1) US9109795B2 (ja)
EP (1) EP2601472B1 (ja)
JP (1) JP2013532815A (ja)
KR (1) KR101816951B1 (ja)
CN (1) CN103052861B (ja)
ES (1) ES2535390T3 (ja)
FR (1) FR2963417B1 (ja)
WO (1) WO2012016915A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MA50916A (fr) 2017-11-15 2020-09-23 Taylor Wharton Malaysia Snd Bhd Vaporisateur de fluide cryogénique
CN108731493A (zh) * 2018-05-17 2018-11-02 无锡市鹅湖玫瑰园艺文化有限公司 一种玫瑰精油提取用冷凝装置
CN108917447A (zh) * 2018-08-07 2018-11-30 广州市铁鑫金属结构有限公司 一种汽化器

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FR2635189B1 (fr) * 1988-08-05 1994-01-14 Framatome Dispositif de controle non destructif d'une soudure circulaire a l'interieur d'un tube de generateur de vapeur
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Also Published As

Publication number Publication date
ES2535390T3 (es) 2015-05-11
KR20140005847A (ko) 2014-01-15
EP2601472A1 (fr) 2013-06-12
KR101816951B1 (ko) 2018-01-09
CN103052861A (zh) 2013-04-17
WO2012016915A1 (fr) 2012-02-09
US9109795B2 (en) 2015-08-18
CN103052861B (zh) 2016-04-13
JP2013532815A (ja) 2013-08-19
US20130125839A1 (en) 2013-05-23
FR2963417A1 (fr) 2012-02-03
FR2963417B1 (fr) 2014-03-28

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