EP2051033B1 - Echangeur thermique régénératif - Google Patents

Echangeur thermique régénératif Download PDF

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Publication number
EP2051033B1
EP2051033B1 EP07020309A EP07020309A EP2051033B1 EP 2051033 B1 EP2051033 B1 EP 2051033B1 EP 07020309 A EP07020309 A EP 07020309A EP 07020309 A EP07020309 A EP 07020309A EP 2051033 B1 EP2051033 B1 EP 2051033B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
buffer
regenerative heat
exchanger according
blowing
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
EP07020309A
Other languages
German (de)
English (en)
Other versions
EP2051033A1 (fr
Inventor
Manfred Flender
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.)
Balcke Duerr GmbH
Original Assignee
Balcke Duerr GmbH
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
Priority to ES07020309T priority Critical patent/ES2340329T3/es
Application filed by Balcke Duerr GmbH filed Critical Balcke Duerr GmbH
Priority to DE502007002762T priority patent/DE502007002762D1/de
Priority to DK07020309.6T priority patent/DK2051033T3/da
Priority to SI200730218T priority patent/SI2051033T1/sl
Priority to PT07020309T priority patent/PT2051033E/pt
Priority to PL07020309T priority patent/PL2051033T3/pl
Priority to AT07020309T priority patent/ATE456777T1/de
Priority to EP07020309A priority patent/EP2051033B1/fr
Priority to US12/245,561 priority patent/US8360137B2/en
Priority to SA8290647A priority patent/SA08290647B1/ar
Priority to RU2008141205/06A priority patent/RU2395037C2/ru
Priority to CN2008101705038A priority patent/CN101413770B/zh
Publication of EP2051033A1 publication Critical patent/EP2051033A1/fr
Priority to HK09109456.9A priority patent/HK1129922A1/xx
Application granted granted Critical
Publication of EP2051033B1 publication Critical patent/EP2051033B1/fr
Priority to CY20101100369T priority patent/CY1112373T1/el
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F28D19/00—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium
    • F28D19/04—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier
    • F28D19/041—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier with axial flow through the intermediate heat-transfer medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
    • F28G9/005—Cleaning by flushing or washing, e.g. with chemical solvents of regenerative heat exchanger

Definitions

  • the invention relates to a regenerative heat exchanger for each other in the heat exchange gas flows, the heat exchange via a permanently immersed in all gas streams associated buffer takes place, which is cleaned by a spray nozzle at its free end, pivoting blowing arm, a bearing axis of the Blasarms parallel to Flow direction of the gas streams in the region of the buffer is arranged and penetrates with their imaginary extension of the buffer.
  • the invention is therefore based on the object to ensure reliable removal of impurities from the region of the buffer and thereby to allow the largest possible time interval between successive flushes.
  • This object is achieved in that two mirror images of the buffer memory arranged blowing arms are provided with at least one nozzle for compressed air and pressurized water.
  • the bearings of the blower arms are advantageously arranged encapsulated against the gas flows involved between the outer edge of the disc-shaped intermediate memory and its central axis. It is expediently the distance of the bearing from the outer edge of the buffer significantly smaller than the distance from the central axis and aligned while the bearings of the two blowing arms together.
  • This bearing arrangement leads to short blowing arms and thereby leads even at high pressures of compressed air and pressurized water even with not inconsiderable recoil forces on the nozzles only to well controllable bearing forces.
  • the supply channels for detergent to the nozzles are expediently arranged concentrically to one another and the blowing arms are gradually tapered in the direction of their free end.
  • an axially parallel to the flow direction of the gas flows angled part of the blowing arms used to guide them in two camps.
  • the bearings are advantageously designed as a rolling bearing and the maximum deflections of the blower arms lead their free ends to the outer and the inner edge of the buffer.
  • a frame 1 comprises a buffer store 2, which is mounted rotatably in the frame 1 via a shaft 3.
  • a housing 4 encloses the buffer 2 and is sealed over its entire circumference to the latter by sealing lips 5.
  • the part of the buffer 2 located on the left in the drawing is flowed through from below from below by a hot gas stream 6, so that in each case the portion of the buffer 2 lying in this part is heated up.
  • the buffer 2 is slowly rotated in a manner not shown in the direction of an arrow 7, so that the heated part of the buffer 2 slowly moves in the right in the drawing part of the housing 4.
  • This part of the housing 4 is passed from top to bottom of a cold gas stream 8, to which the buffer 2 emits the heat absorbed from the gas stream 6, so that the now heated gas stream 8, for example, as combustion air, a furnace can be supplied.
  • the cooled section of the buffer 2 continues to travel and again absorbs heat from the gas stream 6 in the left-hand part of the housing 4 and a new cycle of heat exchange begins.
  • the buffer 2 is substantially composed of parallel to the gas streams 6 and 8, not shown in detail, lamellae composed of a good heat-conducting material and sets the gas streams 6 and 8 only a very low resistance. Nevertheless, the buffer 2 is contaminated during operation, so that its heat absorption as well as its ability to give them back, is impaired. This results in the need to periodically clean the buffer 2 during operation.
  • blowing arms 9 are provided which are reciprocable with their free ends between the outer edge 10 and the inner edge 11 of the buffer 2 and herschwenkbar.
  • the blowing arms 9 carry nozzles 12.
  • two nozzle plates 12 are provided at the end of the inlet side for the gas flow 6 arranged blowing arm 9, each of which a low-pressure nozzle plate and high-pressure nozzle plate.
  • a low-pressure nozzle plate is suitable for steam, compressed air and water.
  • a high pressure nozzle plate is suitable for water.
  • the two mirror-image above and below the buffer 2 arranged Blasarme 9 with their nozzles 12 clean the surface of the buffer 2 forming elements so that their effectiveness is restored without an interruption in operation.
  • the dissolved impurities are taken along after leaving the buffer 2 and are separated if necessary in a downstream filter from the exhaust and eliminated without harm to the environment.
  • pressurized water is used with up to several 100 bar, so that at the nozzle 12 for pressurized water a considerable recoil force occurs.
  • Regenerative heat exchangers 2 of the type according to the invention can be used in virtually all systems from which a heated exhaust gas is released to the environment. Such heat exchangers 2 allow recovery of heat energy and are at the same time useful as starting points for filters. In addition to an economic gain, they thus also protect the environment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Power Steering Mechanism (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Gas Separation By Absorption (AREA)
  • Cleaning In General (AREA)
  • Nozzles (AREA)

Claims (10)

  1. Échangeur de chaleur à régénération pour des flux de gaz (6, 8) réalisant entre eux un échange de chaleur, dans lequel l'échange de chaleur est réalisé par l'intermédiaire d'un accumulateur intermédiaire (2) plongeant en permanence dans tous les flux de gaz (6, 8) participants, qui peut être nettoyé par un bras de soufflage pivotant (9) portant à son extrémité libre des buses d'injection (12), un axe de support du bras de soufflage (9) étant disposé parallèlement à l'axe du sens de circulation des flux de gaz (6, 8) au niveau de l'accumulateur intermédiaire (2) et traversant l'accumulateur intermédiaire (2) par son prolongement imaginaire,
    caractérisé en ce que l'accumulateur intermédiaire (2) forme un axe de symétrie pour deux bras de soufflage (9) possédant chacun au moins une buse (12) pour de l'air comprimé et de l'eau sous pression, qui se font face en miroir.
  2. Échangeur de chaleur à régénération selon la revendication 1,
    caractérisé en ce que les axes des paliers (13) des bras de soufflage (9) sont disposés de façon isolée des flux de gaz (6, 8) participants entre le bord extérieur (10) de l'accumulateur intermédiaire (2) en forme de plaque et son axe médian.
  3. Échangeur de chaleur à régénération selon la revendication 2,
    caractérisé en ce que la distance entre les paliers (13) et le bord extérieur (10) de l'accumulateur intermédiaire (2) est nettement plus petite que la distance par rapport à l'axe médian de celui-ci.
  4. Échangeur de chaleur à régénération selon la revendication 3,
    caractérisé en ce que les axes des paliers (13) des deux bras de soufflage (9) sont alignés l'un sur l'autre.
  5. Échangeur de chaleur à régénération selon la revendication 1,
    caractérisé en ce que des canaux d'alimentation allant vers les buses (12) sont disposés de façon concentrique l'un par rapport à l'autre à l'intérieur des bras de soufflage (9).
  6. Échangeur de chaleur à régénération selon la revendication 5,
    caractérisé en ce que les bras de soufflage (9) se resserrent en gradins vers leur extrémité libre.
  7. Échangeur de chaleur à régénération selon la revendication 6,
    caractérisé en ce qu'un canal d'alimentation pour de l'eau sous pression est disposé de façon concentrique dans le bras de soufflage (9).
  8. Échangeur de chaleur à régénération selon la revendication 4,
    caractérisé en ce qu'une partie des bras de soufflage (9) angulée parallèlement à l'axe du sens d'écoulement des flux de gaz (6, 8) est guidée par deux paliers (13).
  9. Échangeur de chaleur à régénération selon la revendication 8,
    caractérisé en ce que les paliers (13) sont réalisés comme des paliers à rouleau.
  10. Échangeur de chaleur à régénération selon la revendication 3,
    caractérisé en ce que le les déviations maximales des bras de soufflage (9) vont jusqu'au bord extérieur (10) et au bord intérieur (11) de l'accumulateur intermédiaire (2).
EP07020309A 2007-10-17 2007-10-17 Echangeur thermique régénératif Active EP2051033B1 (fr)

Priority Applications (14)

Application Number Priority Date Filing Date Title
DE502007002762T DE502007002762D1 (de) 2007-10-17 2007-10-17 Regenerativ-Wärmetauscher
DK07020309.6T DK2051033T3 (da) 2007-10-17 2007-10-17 Regenerativ varmeveksler
SI200730218T SI2051033T1 (sl) 2007-10-17 2007-10-17 Regenerativen prenosnik toplote
PT07020309T PT2051033E (pt) 2007-10-17 2007-10-17 Permutador regenerativo de calor
PL07020309T PL2051033T3 (pl) 2007-10-17 2007-10-17 Regeneracyjny wymiennik ciepła
AT07020309T ATE456777T1 (de) 2007-10-17 2007-10-17 Regenerativ-wärmetauscher
EP07020309A EP2051033B1 (fr) 2007-10-17 2007-10-17 Echangeur thermique régénératif
ES07020309T ES2340329T3 (es) 2007-10-17 2007-10-17 Intercambiador de calor regenerativo.
US12/245,561 US8360137B2 (en) 2007-10-17 2008-10-03 Regenerative heat exchanger
SA8290647A SA08290647B1 (ar) 2007-10-17 2008-10-15 مبادل حرارى استرجاعى
RU2008141205/06A RU2395037C2 (ru) 2007-10-17 2008-10-16 Регенеративный теплообменник
CN2008101705038A CN101413770B (zh) 2007-10-17 2008-10-17 蓄热式热交换器
HK09109456.9A HK1129922A1 (en) 2007-10-17 2009-10-13 Regenerative heat exchanger
CY20101100369T CY1112373T1 (el) 2007-10-17 2010-04-26 Εναλλακτες ανακτησης θερμοτητας

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07020309A EP2051033B1 (fr) 2007-10-17 2007-10-17 Echangeur thermique régénératif

Publications (2)

Publication Number Publication Date
EP2051033A1 EP2051033A1 (fr) 2009-04-22
EP2051033B1 true EP2051033B1 (fr) 2010-01-27

Family

ID=39233126

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07020309A Active EP2051033B1 (fr) 2007-10-17 2007-10-17 Echangeur thermique régénératif

Country Status (14)

Country Link
US (1) US8360137B2 (fr)
EP (1) EP2051033B1 (fr)
CN (1) CN101413770B (fr)
AT (1) ATE456777T1 (fr)
CY (1) CY1112373T1 (fr)
DE (1) DE502007002762D1 (fr)
DK (1) DK2051033T3 (fr)
ES (1) ES2340329T3 (fr)
HK (1) HK1129922A1 (fr)
PL (1) PL2051033T3 (fr)
PT (1) PT2051033E (fr)
RU (1) RU2395037C2 (fr)
SA (1) SA08290647B1 (fr)
SI (1) SI2051033T1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1399495B1 (it) * 2010-04-13 2013-04-19 Studio Nuove Applic Ind S R L Apparato per la disostruzione di cestelli ggh.
US20140041692A1 (en) * 2012-08-07 2014-02-13 Aquarecycle, Llc Apparatus for cleaning a surface
US9587894B2 (en) * 2014-01-13 2017-03-07 General Electric Technology Gmbh Heat exchanger effluent collector
FR3038041B1 (fr) * 2015-06-26 2017-07-21 E Beaudrey Et Cie Systeme d'interception et de collecte de corps nettoyants par balayage alternatif
US20220349664A1 (en) * 2019-07-26 2022-11-03 Geesco Co., Ltd. Heat exchanger cleaning system and heat exchanger cleaning method

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2355021A (en) * 1941-08-08 1944-08-01 Air Preheater Washing apparatus for air preheaters
US2761653A (en) * 1953-06-29 1956-09-04 Air Preheater Rotary heater washer control system
US3997294A (en) * 1973-11-24 1976-12-14 Apparatebau Rothemuhle Brandt & Kritzler Device for treating gases
DE2514173C3 (de) * 1975-04-01 1980-03-20 Kraftanlagen Ag, 6900 Heidelberg Vorrichtung zur Reinigung der wärmetauschenden Flächen der Speichermassen von umlaufenden Regenerativ-Wärmetauschern
US4256511A (en) * 1979-09-17 1981-03-17 The Dow Chemical Company High energy wash of ljungstrom air preheater
US5044424A (en) * 1980-12-19 1991-09-03 Monro Richard J Heat generator
US4376443A (en) * 1981-08-24 1983-03-15 Stewart & Stevenson Services, Inc. Jet water cleaning apparatus
US4402104A (en) * 1981-10-14 1983-09-06 Prvni Brnenska Strojirna, Koncernovy Podnik Device for the surface cleaning of rotating machine elements
US4513807A (en) * 1983-04-29 1985-04-30 The United States Of America As Represented By The Secretary Of The Army Method for making a radial flow ceramic rotor for rotary type regenerator heat exchange apparatus: and attendant ceramic rotor constructions
DE3423619C2 (de) * 1984-06-27 1986-09-04 Balcke-Dürr AG, 4030 Ratingen Vorrichtung zur Reinigung der wärmetauschenden Flächen der Speichermassen von Regenerativ-Wärmetauschern
JPS61250497A (ja) * 1985-04-26 1986-11-07 クラフタンラ−ゲン　アクチエンゲゼルシヤフト 熱交換器マトリツクス
JPS61289296A (ja) * 1985-06-17 1986-12-19 Gadelius Kk 熱交換器のクリ−ニング装置
US5097889A (en) * 1991-01-11 1992-03-24 Abb Air Preheater, Inc. Hot spot detection and supression system
US5366561A (en) * 1993-05-06 1994-11-22 Butterworth Jetting Systems, Inc. Air preheater cleaning method
US5368091A (en) * 1994-02-10 1994-11-29 Abb Air Preheater, Inc. Temperature monitoring method and system for regenerative heat exchanger
DE4442055A1 (de) * 1994-11-25 1996-05-30 Rothemuehle Brandt Kritzler Regenerativ-Wärmetauscher
JPH09133495A (ja) * 1995-11-06 1997-05-20 Mitsubishi Heavy Ind Ltd 回転再生式熱交換器
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US6065528A (en) * 1999-08-09 2000-05-23 Abb Air Preheater, Inc. Air preheater cleaner

Also Published As

Publication number Publication date
RU2395037C2 (ru) 2010-07-20
RU2008141205A (ru) 2010-04-27
PT2051033E (pt) 2010-04-30
SA08290647B1 (ar) 2012-04-02
ATE456777T1 (de) 2010-02-15
DK2051033T3 (da) 2010-05-31
PL2051033T3 (pl) 2010-10-29
US8360137B2 (en) 2013-01-29
CY1112373T1 (el) 2015-12-09
CN101413770B (zh) 2010-10-13
CN101413770A (zh) 2009-04-22
EP2051033A1 (fr) 2009-04-22
US20090139694A1 (en) 2009-06-04
SI2051033T1 (sl) 2010-06-30
DE502007002762D1 (de) 2010-03-18
ES2340329T3 (es) 2010-06-01
HK1129922A1 (en) 2009-12-11

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