EP2924383B1 - Dampfkondensator mit Kreuzstromwärmetauscher - Google Patents

Dampfkondensator mit Kreuzstromwärmetauscher Download PDF

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Publication number
EP2924383B1
EP2924383B1 EP14461517.6A EP14461517A EP2924383B1 EP 2924383 B1 EP2924383 B1 EP 2924383B1 EP 14461517 A EP14461517 A EP 14461517A EP 2924383 B1 EP2924383 B1 EP 2924383B1
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EP
European Patent Office
Prior art keywords
steam
cross
heat exchangers
flow
furnace
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
EP14461517.6A
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English (en)
French (fr)
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EP2924383A1 (de
Inventor
Ziarko Andrzej
Ziarko Krzysztof
Ziarko Boguslaw
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.)
Retech Sp zoo
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Retech Sp zoo
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Priority to EP14461517.6A priority Critical patent/EP2924383B1/de
Priority to PL14461517T priority patent/PL2924383T3/pl
Publication of EP2924383A1 publication Critical patent/EP2924383A1/de
Application granted granted Critical
Publication of EP2924383B1 publication Critical patent/EP2924383B1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
    • F28B1/06—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using air or other gas as the cooling medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2042—Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft
    • 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
    • F28D7/16—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 being arranged in parallel spaced relation
    • F28D7/163—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 being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
    • 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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0062—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements

Definitions

  • the subject of the invention is a steam condenser with a cross-flow heat exchanger, designed for water steam condensation, especially in steam ovens of convection-type.
  • German utility model No DE 29708079U1 device for steam condensation which includes heat exchanger with the fan, connector pipes and inlet and outlet holes. Flow path of steam taken from the furnace is separated from the path of cooling air, delivered to exchanger by the fan sucking the air through the hood.
  • the heat exchanger includes askew located plates with different systems of horizontal channels as well as sensors for temperature control units.
  • a steam condenser with a cross-flow heat exchanger is equipped with: a suction hood located in a cuboidal housing, a fan, a connector pipe supplying the steam coming out from a furnace, and tube heat exchangers having condensation chambers, wherein the steam is supplied to the condensation chambers, cooled down and condensed.
  • a suction hood located in a cuboidal housing
  • a fan supplying the steam coming out from a furnace
  • tube heat exchangers having condensation chambers, wherein the steam is supplied to the condensation chambers, cooled down and condensed.
  • On the side of the suction hood sucking air and steam from opened furnace doors at least one front cross-flow exchanger is located in at least one assembly socket. The steam and the air coming from the furnace opened doors are going to said cross-flow heat exchangers, where they are cooled down by cooling air sucked from environment, and the steam is condensed.
  • Said steam condenser further comprises a mixing chamber and an inner chamber, wherein said at least one front cross-flow heat exchanger is adhering to the mixing chamber equipped with the fan, wherein said mixing chamber is connected to the inner chamber and to the condensation chambers located in common housing, with said tube heat exchangers.
  • the rest of the condensed steam sucked in the front, coming from the furnace opened doors is mixed in said mixing chamber and discharged through said inner chamber and through the tubes of said tube heat exchangers.
  • each of said at least one cross-flow exchanger creates a stock-pile of rectangular sheets, connected in corners by bars, and between rectangular sheets alternatively horizontal distances strips and vertical strips are located, creating the space for cross flow of: air and steam coming from the furnace opened doors, and cooling air sucked from environment.
  • said horizontal and vertical distance strips have on their length series of distance tongues.
  • said horizontal and vertical distance strips are fixed to the sheets by glue or glue tape.
  • the cooling air is being sucked from environment through holes in upper cover of said cross-flow heat exchangers and discharged through a filter in an outlet hole located above the chamber with said tube heat exchangers.
  • the steam condenser with the cross-flow heat exchanger allows for condensation of water steam coming out of a furnace when opening the doors, without additional cooling media, only by using air form environment.
  • fig. 1 shows 3-D top view of condenser
  • fig. 2 and fig. 3 top view of condenser elements
  • fig. 4 cross-section L-L of condenser
  • fig. 5 cross-section A-A of condenser from fig. 6, fig. 6 - cross-section B-B of condenser from fig. 5, fig. 7 - cross-section R-R of condenser from fig. 4
  • fig. 8 3-D view of cross-flow heat exchanger
  • fig. 9 3-D partial view.
  • cross-flow heat exchangers 3 On the side of hood 1 sucking the air or the steam from opened furnace doors, in assembly sockets 2, front cross-flow heat exchangers 3 are located, adhering to mixing chamber, equipped with fan.
  • Mixing chamber 4 is connected to inner chamber 5 and to condensation chambers 6 located in common housing, with tube heat axchangers 61.
  • Each of cross-flow heat exchangers 3 consists of stock-pile of rectangular sheets 31, connected in corners by rods 32, and between sheets 31 alternatively horizontal 33 and vertical 34 distance strips are located, creating space for cross-flow of air and steam.
  • Horizontal distance strips 33 and vertical distance strips 34 have distance tongues 35 along.
  • Horizontal distance strips 33 and vertical distance strips 34 are fixed to sheets 31 by glue or glue tape.
  • On both sides of cross-flow heat exchanger 3 limiting sheets 36, with Bender edges are fixed.
  • Cooling air for the cross-flow heat exchanger is being sucked from environment through holes 7 in upper cover 8 of cross-flow heat exchangers 3 and discharged through filter 10 in outlet hole 9, located above chamber 5 of tube heat exchangers 61.
  • the hood 1 is equipped with askew stator 11 with rectangular holes 12 and preliminary filter 13.
  • the hot water steam (St) coming out from furnace is supplied by connector pipe 14 to condensation chambers 6 of tube heat exchangers 61, where it is cooled down by aluminum profiles, condensed and directed to mixing chamber 4, where is mixed with air having lower temperature (Ca) and sucked through holes 7 of upper cover 8 and cross-flow heat exchangers 3, is mixed up and comes to inner chamber 5 and next is coming out through tube heat exchangers 61 and outlet hole 9.
  • the steam (St) and air (Ca) are going through holes 12 of askew stator 11 with filter of baffle type, to cross-flow heat exchangers 3, where they are cooled down and the steam St is condensed.
  • the rest of steam sucked in front coming from furnace chamber after opening the doors, is mixed on mixing chamber 4 and discharged through inner chamber 5 and tube heat exchanger 61.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Claims (4)

  1. Dampfkondensator mit einem Kreuzstrom-Wärmetauscher, ausgestattet mit einer Saughaube (1) angeordnet in einem kubischen Gehäuse, einem Lüfter, einem Verbindungsrohr (14) das den aus einer Feuerung kommenden Dampf (St) zuführt, und einer mit Rohrwärmetauschern (61) aufweisend Kondensationskammern (6), wobei der Dampf (St) zu den Kondensationskammern (6) zugeführt (6), abgekühlt und kondensiert wird, gekennzeichnet dadurch, dass
    an der Seite der Saughaube (1), die Luft (Ca) und Dampf (St) von der offenen Feuerungstür ansaugt, mindestens ein frontaler Kreuzstrom-Wärmetauscher (3) in mindestens einer Zubehöraufnahme (2) angeordnet ist;
    wobei der von der offenen Feuerungstür stammende Dampf (St) und Luft (Ca) zum vorgenannten Kreuzstrom-Wärmetaucher (3) gelenkt werden, wo diese durch kühle von der Umgebung angesaugte Luft (Ca) abgekühlt werden, und der Dampf (St) kondensiert wird;
    der genannte Dampfkondensator außerdem eine Mischkammer (4) und eine Innenkammer (5) aufweist, wobei der genannte erste frontale Kreuzstrom-Wärmetauscher (3) zur Mischkammer (4) angeschlossen ist und mit einem Lüfter ausgestattet ist,
    wobei die genannte Mischkammer (4) mit der Innenkammer (5) und mit den Kondensationskammer (6) im Gesamtgehäuse verbunden ist, mit den vorgenannten zusammen mit den genannten Rohr-Wärmetauschern (61);
    wobei der Rest des frontseitig angesaugten kondensierten Dampfes, der von der offenen Feuerungstür stammt in der vorgenannten Mischkammer gemischt wird (4) und durch die vorgenannte Innenkammer (5) und weiter durch die Rohre der genannten Rohr-Wärmetauscher (61) abgeleitet wird.
    und gleichzeitig jeder der genannten Kreuzstrom-Wärmetauscher (3) einen Stapel von rechteckigen Blätter (31) darstellt, die mittels Stangen (32) verbunden sind, und zwischen den rechteckigen Blättern (31) befinden sich abwechselnd horizontale Distanzstege (33) und vertikale Distanzstege (34), und einen Raum für den Kreuzstrom von: Luft (Ca) und Dampf (St) bilden, die von der offenen Feuerungstür kommen, und der von der Umgebung angesaugten Luft (Ca).
  2. Dampfkondensator nach Anspruch 1, wobei die genannten horizontalen Distanzstege (33) und die genannten vertikalen Distanzstege (34) längs eine Reihe von Laschen aufweisen (35).
  3. Dampfkondensator nach Anspruch 1 oder 2, wobei die genannten horizontalen Distanzstege (33) und die genannten vertikalen Distanzstege (34) an den Blättern (31) mittels Kleber oder Klebeband fixiert sind.
  4. Dampfkondensator nach Anspruch 1 oder 2, wobei die den Kreuzstrom-Wärmetauscher (3) kühlende Luft von der Umgebung durch Öffnungen (7) in der oberen Abdeckung (8) des genannten Kreuzstrom-Wärmetauschers (3) angesaugt und durch einen Filter (10) in der Auslassöffnung (9) über der Kammer (5) des genannten Rohr-Wärmetauschers (61) abgeleitet wird.
EP14461517.6A 2014-03-26 2014-03-26 Dampfkondensator mit Kreuzstromwärmetauscher Active EP2924383B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP14461517.6A EP2924383B1 (de) 2014-03-26 2014-03-26 Dampfkondensator mit Kreuzstromwärmetauscher
PL14461517T PL2924383T3 (pl) 2014-03-26 2014-03-26 Skraplacz pary z krzyżowym wymiennikiem ciepła

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14461517.6A EP2924383B1 (de) 2014-03-26 2014-03-26 Dampfkondensator mit Kreuzstromwärmetauscher

Publications (2)

Publication Number Publication Date
EP2924383A1 EP2924383A1 (de) 2015-09-30
EP2924383B1 true EP2924383B1 (de) 2017-12-27

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ID=50424170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14461517.6A Active EP2924383B1 (de) 2014-03-26 2014-03-26 Dampfkondensator mit Kreuzstromwärmetauscher

Country Status (2)

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EP (1) EP2924383B1 (de)
PL (1) PL2924383T3 (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH382200A (de) * 1961-02-27 1964-09-30 Franklin Dipl Ing Froehlich Wärmeaustauscher
US4175614A (en) * 1978-06-01 1979-11-27 Modine Manufacturing Company Heat exchanger device
DE29708079U1 (de) 1997-04-25 1997-07-10 Daub, Helmut, 75196 Remchingen Dampfkondensierer, insbesondere für die Backtechnik
DE19959237C1 (de) * 1999-12-08 2001-07-05 Wiesheu Gmbh Vorrichtung zum Kondensieren von Dampf
DE20317601U1 (de) 2003-11-14 2005-01-27 Eloma Gmbh Bedarfsartikel Zur Gemeinschaftsverpflegung Kondensationsvorrichtung für die Abluft eines Gargerätes
DE502006005614D1 (de) * 2005-10-14 2010-01-21 Max Maier Dunstabzugshaube für einen kombidämpfer
EP2384626A1 (de) 2010-05-05 2011-11-09 RETECH Spólka z o.o. Dampfkondensor für ein mit Dampf beaufschlagten Umluftofen
DE202011050141U1 (de) * 2011-05-16 2011-06-24 Rational AG, 86899 Dunstabzugshaube für ein Gargerät und Einheit mit Gargerät und Dunstabzugshaube

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
PL2924383T3 (pl) 2018-06-29
EP2924383A1 (de) 2015-09-30

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