EP2685201B1 - Wärmetauscher mit Siliziumkarbid-Röhren und emaillierten Stahl-Rohrplatten - Google Patents
Wärmetauscher mit Siliziumkarbid-Röhren und emaillierten Stahl-Rohrplatten Download PDFInfo
- Publication number
- EP2685201B1 EP2685201B1 EP13187710.2A EP13187710A EP2685201B1 EP 2685201 B1 EP2685201 B1 EP 2685201B1 EP 13187710 A EP13187710 A EP 13187710A EP 2685201 B1 EP2685201 B1 EP 2685201B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube
- tubes
- plate
- ring
- steel
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/04—Constructions of heat-exchange apparatus characterised by the selection of particular materials of ceramic; of concrete; of natural stone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
-
- 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
- F28F9/0229—Double end plates; Single end plates with hollow spaces
-
- 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
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
- F28F9/10—Arrangements for sealing elements into header boxes or end plates by dismountable joints by screw-type connections, e.g. gland
-
- 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
- F28F2265/26—Safety or protection arrangements; Arrangements for preventing malfunction for allowing differential expansion between elements
Definitions
- the present invention relates to a heat with a set of tubes and tube plates and more particularly a heat exchanger suited for the treatment of highly corrosive fluids or the ones for which a high level of purity must be ensured.
- Heat exchanger are known for processing highly corrosive fluids or fluids with special purity requirements, wherein the tube plates are of a suitable material, such as solid PTFE.
- the tubes are sealed with the plate by means of threaded ring nuts, directly tightened in a threading provided in the PTFE.
- This solution presents drawbacks connected with the not satisfactory mechanical resistance of the plates, especially at high temperatures, which limits the possible applications of the exchanger and renders frequent maintenance necessary.
- a heat exchanger comprising a set of tubes consisting of SiC tubes mounted between two tube plates in enamelled steel by means of a pressure seal system on the outer surface of each tube, in which the tube can axially slide therein to compensate for thermal expansions.
- Fig.1 is briefly represented a heat exchanger according to the present invention, comprising a set of tubes in silicon carbide (SiC) (11) and tube plates in enamelled steel (12) as the essential members.
- SiC silicon carbide
- both the central shell (14) and the end distributors (13) may be provided in enamelled steel.
- a characteristic and original aspect of the heat exchanger according to the invention is represented by the enamelled tube plates substituting the traditional ones in PTFE (PolyTetraFluoroEthylene) see Fig. 2 reference 21 or the ones in PFTE-coated steel (see Fig.3 reference 31)
- PTFE PolyTetraFluoroEthylene
- Fig.4 shows the embodiment of the exchanger with a single tube plate (41), with enamelling on the shell side, in which the O ring seal gaskets (42) are locked by the threaded ring nut (43) by means of the intermediate bushing (44).
- the seal on the inner (by O ring reference 51) and the outer (by O ring reference 52) tube plate can be simultaneously achieved by a single locking of the threaded ring nut (53) by means of the intermediate bushing (54) in steel or in PEEK (phenylpolyetherketones of Du Pont), which is fitted with holes (55) for conveying possible fluid leakages to the outside.
- the two seals on the tube are separate.
- the seal is implemented by means of a double O ring gasket (62) pressed by an intermediate bushing in steel or in PEEK (64) by the screwing of a steel ring nut (63) in the corresponding thread provided in the tube plate.
- the required pressure for pressing the O ring seals has been provided by means of a special bushing in glass-filled PEEK or PTFE (66), being pressed by the tube plate.
- This pressure is applied during the coupling step of the two single plates by the locking of the screws located on an outer peripheral circumference of the enamelled area to avoid any point of discontinuity in the coating (see fig.7 reference 74).
- the type of seal is characterised by a high degree of elasticity in the axial direction made by means of a mechanical spring system or an adequate number of overlapping O ring gaskets (68), in addition to those provided for pressure seal.
- An underlying L-profile ring (69) ensures support to this elastic system regardless of the position of the underlying seal ring nut on the inner plate.
Claims (2)
- Wärmetauscher, umfassend einen Satz von Rohren, welche SiC-Rohre (11) enthalten, welche zwischen zwei Rohrplatten (41) aus Stahl mittels eines Druckdichtungssystems am Ende und an der Außenfläche jedes Rohres (11) montiert sind, wobei das Rohr darin axial gleiten kann, um thermische Ausdehnungen auszugleichen,
wobei jede der zwei Rohrplatten (41) eine einzelne Platte (41) ist, die nur auf der Innenfläche, welche die Schalenseite davon ist, emailliert ist, und
wobei die Dichtung zwischen den Enden der Rohre (11) und der Rohrplatte (41) durch eine doppelte O-Ring-Dichtung (42) erzielt wird, die mittels einer Zwischenbuchse aus Stahl oder aus PEEK (44) durch Einschrauben einer Stahlringmutter (43) in das entsprechende Gewinde, welches auf der Verteilerseite der Rohrplatte vorgesehen ist, gepresst ist. - Wärmetauscher nach Anspruch 1, bei welchem die Elemente des Dichtungssystems zwischen den Rohren (11) und der Rohrplatte (41) angepasst sind, den zirkulierenden Flüssigkeiten unter den normalen Betriebsbedingungen des Wärmetauschers chemisch und thermisch zu widerstehen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT002449A ITMI20022449A1 (it) | 2002-11-19 | 2002-11-19 | Scambiatore di calore con fascio tubiero in carburo di silicio e |
EP03005976.0A EP1422488B2 (de) | 2002-11-19 | 2003-03-18 | Wärmetauscher mit Siliziumkarbid-Röhren und emaillierten Stahl-Rohrplatten |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03005976.0A Division EP1422488B2 (de) | 2002-11-19 | 2003-03-18 | Wärmetauscher mit Siliziumkarbid-Röhren und emaillierten Stahl-Rohrplatten |
EP03005976.0A Division-Into EP1422488B2 (de) | 2002-11-19 | 2003-03-18 | Wärmetauscher mit Siliziumkarbid-Röhren und emaillierten Stahl-Rohrplatten |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2685201A2 EP2685201A2 (de) | 2014-01-15 |
EP2685201A3 EP2685201A3 (de) | 2014-02-26 |
EP2685201B1 true EP2685201B1 (de) | 2020-11-11 |
Family
ID=32211401
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13187710.2A Expired - Lifetime EP2685201B1 (de) | 2002-11-19 | 2003-03-18 | Wärmetauscher mit Siliziumkarbid-Röhren und emaillierten Stahl-Rohrplatten |
EP03005976.0A Expired - Lifetime EP1422488B2 (de) | 2002-11-19 | 2003-03-18 | Wärmetauscher mit Siliziumkarbid-Röhren und emaillierten Stahl-Rohrplatten |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03005976.0A Expired - Lifetime EP1422488B2 (de) | 2002-11-19 | 2003-03-18 | Wärmetauscher mit Siliziumkarbid-Röhren und emaillierten Stahl-Rohrplatten |
Country Status (3)
Country | Link |
---|---|
EP (2) | EP2685201B1 (de) |
ES (1) | ES2835223T3 (de) |
IT (1) | ITMI20022449A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8105649B1 (en) * | 2007-08-09 | 2012-01-31 | Imaging Systems Technology | Fabrication of silicon carbide shell |
CN102985779B (zh) | 2010-05-06 | 2016-02-17 | 热矩阵集团有限公司 | 热交换器管板、热交换器以及制造热交换器管板的方法 |
FR2960051B3 (fr) * | 2010-05-12 | 2012-04-27 | Thermi Consult | Dispositif de placage de plaques tubulaires pour echangeurs de chaleur |
CN102278911A (zh) * | 2011-05-27 | 2011-12-14 | 许昌东方化工有限公司 | 氯化釜用石墨冷凝器的堵漏方法 |
BE1021633B1 (nl) * | 2013-03-20 | 2015-12-21 | Atlas Copco Airpower, Naamloze Vennootschap | Warmtewisselaar |
CN103837022A (zh) * | 2013-06-19 | 2014-06-04 | 山东润银生物化工股份有限公司 | 一种换热器 |
CN106546120B (zh) * | 2017-01-23 | 2019-01-01 | 上海金由氟材料股份有限公司 | 一种氟塑料管式换热器的内包覆紧固密封结构 |
CN106546121B (zh) * | 2017-01-23 | 2019-01-01 | 上海金由氟材料股份有限公司 | 一种氟塑料全包覆密封结构及密封方法 |
US10823515B2 (en) * | 2017-02-07 | 2020-11-03 | Caterpillar Inc. | Tube-to-header slip joint for air-to-air aftercooler |
DE102018001548A1 (de) * | 2018-02-28 | 2019-08-29 | Sgl Carbon Se | Rohrbündelwärmeaustauscher sowie Rohrboden und Verfahren zum Abdichten desselben |
DE102018112907A1 (de) * | 2018-05-30 | 2019-12-05 | Shengjun Feng | Wärmetauscher |
CN110274507A (zh) * | 2019-06-18 | 2019-09-24 | 衢州佰强新材料科技有限公司 | 一种可完全消除热应力的换热器 |
CN110243225B (zh) * | 2019-07-17 | 2024-02-13 | 南通三圣石墨设备科技股份有限公司 | 一种圆块孔式碳化硅换热器 |
DE102019120096A1 (de) * | 2019-07-25 | 2021-01-28 | Kelvion Machine Cooling Systems Gmbh | Rohrbündelwärmetauscher |
CN110779358B (zh) * | 2019-08-19 | 2022-04-08 | 四川奥格莱能源科技有限公司 | 一种内置管式热交换器装卸式防护装置 |
CN111678363A (zh) * | 2020-07-10 | 2020-09-18 | 贵州兰鑫石墨机电设备制造有限公司 | 一种单板双封结构的双管板碳化硅换热器 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB273605A (en) * | 1926-02-12 | 1927-07-12 | Thornycroft John I & Co Ltd | Improvements in or relating to steam condensers |
FR650058A (fr) * | 1928-02-09 | 1929-01-04 | Delas Condenseurs | Dispositif pour éviter les mélanges de fluides dans les échangeurs thermiques à faisceau tubulaire |
GB311245A (en) * | 1928-05-07 | 1930-01-02 | Egidio Torre | Improvements in surface condensers |
GB618236A (en) † | 1943-06-15 | 1949-02-18 | James Clarence Hobbs | Improvements in or relating to pressure sealing joint for pipes |
CH425850A (de) * | 1964-11-24 | 1966-12-15 | Schneider Fritz Ing Dr | Röhrenwärmeaustauschapparat |
DE2326365A1 (de) * | 1973-05-23 | 1974-12-19 | Qvf Glastech Gmbh | Roehrenwaermeaustauscher mit doppelten rohrboeden |
US3923314A (en) * | 1973-12-06 | 1975-12-02 | Carborundum Co | Non-rigid seal for joining silicon carbide tubes and tube sheets in heat exchangers |
US4930568A (en) † | 1989-05-17 | 1990-06-05 | L And M Radiator, Inc. | Heat exchanger |
US5323849A (en) * | 1993-04-21 | 1994-06-28 | The United States Of America As Represented By The Secretary Of The Navy | Corrosion resistant shell and tube heat exchanger and a method of repairing the same |
US5515914A (en) * | 1994-04-29 | 1996-05-14 | Saint Gobain/Norton Industrial Ceramics Corp. | Ceramic heat exchanger design |
US5630470A (en) * | 1995-04-14 | 1997-05-20 | Sonic Environmental Systems, Inc. | Ceramic heat exchanger system |
DE19610501A1 (de) * | 1996-03-18 | 1997-09-25 | Siegfried Otte | Verfahrenstechnische Einrichtung mit perforiertem emaillierten Aufnahmeteil |
DE19714423C2 (de) * | 1997-04-08 | 2003-05-08 | Schnabel Gmbh & Co Kg Dr | Rohrbündelwärmeaustauscher |
-
2002
- 2002-11-19 IT IT002449A patent/ITMI20022449A1/it unknown
-
2003
- 2003-03-18 ES ES13187710T patent/ES2835223T3/es not_active Expired - Lifetime
- 2003-03-18 EP EP13187710.2A patent/EP2685201B1/de not_active Expired - Lifetime
- 2003-03-18 EP EP03005976.0A patent/EP1422488B2/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
EP1422488A2 (de) | 2004-05-26 |
ITMI20022449A1 (it) | 2004-05-20 |
EP2685201A2 (de) | 2014-01-15 |
EP1422488B1 (de) | 2014-02-26 |
EP1422488A3 (de) | 2011-12-14 |
ES2835223T3 (es) | 2021-06-22 |
EP2685201A3 (de) | 2014-02-26 |
EP1422488B2 (de) | 2017-01-25 |
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