DE1948407A1 - Heat exchange element made of materials with low thermal conductivity and strength - Google Patents
Heat exchange element made of materials with low thermal conductivity and strengthInfo
- Publication number
- DE1948407A1 DE1948407A1 DE19691948407 DE1948407A DE1948407A1 DE 1948407 A1 DE1948407 A1 DE 1948407A1 DE 19691948407 DE19691948407 DE 19691948407 DE 1948407 A DE1948407 A DE 1948407A DE 1948407 A1 DE1948407 A1 DE 1948407A1
- Authority
- DE
- Germany
- Prior art keywords
- heat exchange
- boxes
- exchange element
- materials
- thermal conductivity
- 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.)
- Pending
Links
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
- 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
- F28D7/1615—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 the conduits being inside a casing and extending at an angle to the longitudinal axis of the casing; the conduits crossing the conduit for the other heat exchange medium
- F28D7/1623—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 the conduits being inside a casing and extending at an angle to the longitudinal axis of the casing; the conduits crossing the conduit for the other heat exchange medium with particular pattern of flow of the heat exchange media, e.g. change of flow direction
-
- 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
- F28D7/0041—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 for only one medium being tubes having parts touching each other or tubes assembled in panel form
-
- 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
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
- F28F1/22—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means having portions engaging further tubular elements
-
- 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
- F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
- F28F21/062—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing tubular conduits
-
- 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
- F28F9/007—Auxiliary supports for elements
- F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
-
- 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
-
- 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
- F28F9/08—Arrangements for sealing elements into header boxes or end plates by dismountable joints by wedge-type connections, e.g. taper ferrule
-
- 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
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
- Y10T29/49377—Tube with heat transfer means
- Y10T29/49378—Finned tube
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Connection Of Plates (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Description
Professor Dr.-Ing. Günter Scholl
Forschungslaboratorium für
Angewandte WärmetechnikProfessor Dr.-Ing. Günter Scholl
Research laboratory for
Applied thermal engineering
Wärmeaustauschelement aus Werkstoffen mit geringer Wärmeleitfähigkeit und FestigkeitHeat exchange element made of materials with low thermal conductivity and strength
In-der Patentanmeldung P 19 261 87.1 und der zugehörigen Zusatz-Patentanmeldung P 19 377 83.4 sind der Aufbau eines Wärmeaustauschelementes zur wirtschaftlichen übertragung von Wärmeströmen bis zur Größenordnung von etwaIn the patent application P 19 261 87.1 and the associated additional patent application P 19 377 83.4 are the structure of a heat exchange element for economical transfer of heat flows up to the order of magnitude of about
1000 kcal/m h beschrieben, bei welchen Werkstoffe, insbesondere Kunststoffe verwendet werden können, deren Wärmeleitfähigkeit und Temperaturfestigkeit (letztere bezogen auf etwa 100 grd) etwa hundertmal kleiner sind als die von Metall, aus welchem seither ausschliesslich solche Wärmeaustauschelemente hergestellt worden sind.1000 kcal / m h describes in which materials, especially plastics, can be used, their thermal conductivity and temperature resistance (the latter based on about 100 degrees) are about a hundred times smaller than that of metal, from which only such heat exchange elements have been made since then.
In der Patentanmeldung P 19 261 87.1 sind weiterhin Ausführungsformen beschrieben, welche die Anwendung der Wärmeaustauschelemente zum Aufbau von Wärmeaustauschern betreffen.In the patent application P 19 261 87.1 embodiments are also described which relate to the use of the heat exchange elements for the construction of heat exchangers.
Von besonderer Bedeutung für die praktische Anwendung der Wärmeaustauschelemente ist die Lösung der Aufgabe, diese Wärmeaustauschelemente dicht und druckfest mit Sammel rohren oder Sammelkästen aus metallischen Werkstoffen zu verbinden, wobei diese Verbindung mit möglichst geringem Material- und Arbeitszeitaufwand erfolgen muß. Of particular importance for the practical application of the heat exchange elements is the solution to the problem of connecting these heat exchange elements tightly and pressure-tight with collecting pipes or collecting boxes made of metallic materials , this connection having to be made with the least possible expenditure of material and labor.
Die nachstehend beschriebene Erfindung betrifft eine besonders einfache Lösung der vorgenannten Aufgabenstellung, mit welcher gleichzeitig eine Vielzahl von Einzelrohren eines oder raehrereiWärmeaustauschelemente mit einem oder mehreren Sammelrohren oder -kästen aus Metall dicht und druckfest verbunden werden können.The invention described below relates to a particularly simple solution to the aforementioned problem, with which at the same time a large number of individual tubes of one or raehrerei heat exchange elements with one or several collecting pipes or boxes made of metal tight and can be connected pressure-tight.
101816/1038101816/1038
Unter Anwendung des bereits in der Patentanmeldung P 19 261 87.1 beschriebenen Verfahrens, bei welchem zur Verbindung der Wärmeaustauschelemente mit Sammlern die Stege an den Anschlußstellen auf ein kurzes Stück herausgeschnitten sind, so daß einzelne Rohrstutzen entstehen, die sich in Bohrungen der Sammelrohre oder -kästen einschieben lassen, wird die erfindungsgemäße dichte und druckfeste Verbindung dadurch erreicht, daß in die in den Sammelrohren oder -kästen befindlichen Bohrungen Schraubenfedern eingesteckt sind, die sich auf der Rückwand der Sammelkästen abstützen, und zur Bohrung hin >ine kegelförmige Büchse aufgesetzt erhalten oder kegelförmige, sich in ihrem Durchmesser verkleinernde, dicht aneinanderanliegende Windungen besitzen.Using the method already described in patent application P 19 261 87.1, in which to Connection of the heat exchange elements with collectors cut out the webs at the connection points on a short piece are, so that individual pipe sockets are created that slide into holes in the header pipes or boxes let, the density according to the invention and Pressure-resistant connection achieved in that coil springs in the holes in the collecting pipes or boxes are inserted, which are supported on the rear wall of the collecting tanks, and towards the bore> ine conical Preserved bushing or conical, narrowing in diameter, tightly fitting Have turns.
Bei dem Einschieben der Rohrstutzen der Wärmeaustauschelemente in die Bohrungen werden die Federn zusammengedrückt, wobei die (kegelförmig aufgesetzten Büchsen) oder die kegelförmigen Federteile die eingeschobenen Rohrstutzen aufweiten und dicht und druckfest mit den Sammelrohren oder -kästen verbinden.When the pipe sockets of the heat exchange elements are pushed into the bores, the springs are compressed, whereby the (conically fitted sleeves) or the conical spring parts expand the inserted pipe socket and seal and pressure-proof with the manifolds or connect boxes.
Ein weiterer Gegenstand der·Erfindung ist, daß die Sammelkasten vor oder nach dem Einstecken der Bohrstutzen auf die Verformungstemperatur des Werkstoffes, aus welchem die Wärmeaustauschelemente hergestellt sind, erwärmt sind.Another object of the invention is that the collecting box before or after inserting the drill socket to the deformation temperature of the material from which the Heat exchange elements are made, are heated.
Die Erfindung werde anhand der Abbildungen näher erläutert.The invention will be explained in more detail with reference to the figures.
109818/1038109818/1038
Fig. 1 zeigt teils in Ansicht teils im Schnitt ein Wärmeaustauschelement bestehend aus den Rohren (1) und den sie verbindenden Stegen (2) , wobei die Stege (2) auf ein kurzes Stück (4) herausgeschnitten sind und dabei einzelne Rohrstutzen gebildet werden. Ferner ist in Fig.l ein Sairanelrohr oder Sammelkasten (6) mit Bohrungen (7) dargestellt, in welche Federn (8) mit aufgesetzten kegelförmigen Büchsen (9) eingesteckt sind. In Fig. 1 ist der Zustand von Wärmeaustauschelement und Sammelrohr oder -kasten vor der Verbindung miteinander gezeigt.Fig. 1 shows partly in view partly in section a heat exchange element consisting of the tubes (1) and the webs (2) connecting them, the webs (2) on a short piece (4) are cut out and individual Pipe sockets are formed. Furthermore, a Sairanel pipe or collecting box (6) with holes (7) is shown in Fig.l, into which springs (8) with attached conical bushings (9) are inserted. In Fig. 1 is the The state of the heat exchange element and the manifold or box before they are connected to one another is shown.
In Fig. 2 ist der Zustand nach dem Einschieben des Wärmeaus tauschelementes in die Bohrungen nach erfolgter Auf- A Weitung der Rohrstutzen durch die Büchsen (9) wiedergegeben. In FIG. 2, the state after insertion of the heat from exchanger element is in the holes after the up-A widening of the pipe socket through the bushes (9) is reproduced.
In Fig. 3 ist eine Feder ClO) mit kegelförmig sich in ihrem Durchmesser verkleinernden, dicht aneinänderliegenden
Windungen (11) dargestellt. Die dicht aneinander anliegenden, sich in ihrem Durchmesser verkleinernden
kegelförmigen Windungen "(11) ersetzen hierbei die in
Fig. 1 und 2 dargestellten kegelförmigen aufgesetzten Büchsen (9) .In Fig. 3, a spring C10) is shown with conically decreasing diameter, tightly spaced turns (11). The conical windings ″ (11), which lie close to one another and decrease in diameter, replace the in
Fig. 1 and 2 shown conical attached sleeves (9).
In Fig. 4 ist eine Feder (12) mit dicht aneinanderIn Fig. 4, a spring (12) is close together
liegenden kegelförmigen Federwindungen (13) , die in "lying conical spring coils (13), which in "
zylindrische Federwindungen (14) übergehen, dargestellt.go over cylindrical spring coils (14), shown.
Bei Benutzung dieser Federn lassen sich dieselben mit dem zylindrischen Federteil (14) in die Rohre (1) des Wärmeaustauschelements einstecken und es kann derWhen using these springs, the same can be inserted with the cylindrical spring part (14) into the tubes (1) of the Insert the heat exchange element and the
Zusammenbau so erfolgen, daß die Wärmeaustauschelemente mit aufgesteckten Federn nach Fig. 4 in die Bohrungen (7) zusammen mit den Federn eingesteckt werden können.Assemble so that the heat exchange elements with attached springs according to FIG. 4 can be inserted into the bores (7) together with the springs.
In Fig. 5 ist schiiesslich eine Feder (15) aus flachem,
ausgestanztem Bandstahl dargestellt, wobei durch entsprechende Gestaltung des Schnittwerkzeugs die Feder
beim Wickeln am Ende in eine kegelförmige Büchse (16) übergeht. 10 9 818/ 1 03 8Finally, FIG. 5 shows a spring (15) made of flat, punched-out steel strip, the spring being formed by a corresponding design of the cutting tool
when winding at the end merges into a conical sleeve (16). 10 9 818/1 03 8
Claims (2)
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691926187 DE1926187A1 (en) | 1969-05-22 | 1969-05-22 | Heat exchange element made of materials with low thermal conductivity and strength |
DE19691937783 DE1937783B2 (en) | 1969-05-22 | 1969-07-25 | HEAT EXCHANGER ELEMENT FOR PARTITION WALL HEAT EXCHANGER |
DE19691948407 DE1948407A1 (en) | 1969-05-22 | 1969-09-25 | Heat exchange element made of materials with low thermal conductivity and strength |
CH528870A CH517281A (en) | 1969-05-22 | 1970-04-09 | Heat exchangers made from a material with low thermal conductivity and low strength |
NL7005449A NL7005449A (en) | 1969-05-22 | 1970-04-15 | |
US32659A US3648768A (en) | 1969-05-22 | 1970-04-28 | Heat-exchanger components |
GB2075670A GB1311998A (en) | 1969-05-22 | 1970-04-30 | Heat exchanger components |
YU01248/70A YU33418B (en) | 1969-05-22 | 1970-05-15 | Elemenat toplotne razmene |
JP45042795A JPS4930180B1 (en) | 1969-05-22 | 1970-05-19 | |
FR7018408A FR2043609B1 (en) | 1969-05-22 | 1970-05-21 | |
BE750699D BE750699A (en) | 1969-05-22 | 1970-05-21 | HEAT EXCHANGE ELEMENT IN THE FORM OF A LOW THERMAL CONDUCTIBILITY AND LOW SOLIDITY MATERIAL |
RO63427A RO61351A (en) | 1969-05-22 | 1970-05-22 | |
CS3596A CS174119B2 (en) | 1969-05-22 | 1970-05-22 | |
BG14760A BG20404A3 (en) | 1969-05-22 | 1970-05-22 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691926187 DE1926187A1 (en) | 1969-05-22 | 1969-05-22 | Heat exchange element made of materials with low thermal conductivity and strength |
DE19691937783 DE1937783B2 (en) | 1969-05-22 | 1969-07-25 | HEAT EXCHANGER ELEMENT FOR PARTITION WALL HEAT EXCHANGER |
DE19691948407 DE1948407A1 (en) | 1969-05-22 | 1969-09-25 | Heat exchange element made of materials with low thermal conductivity and strength |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1948407A1 true DE1948407A1 (en) | 1971-04-08 |
Family
ID=27181942
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19691926187 Pending DE1926187A1 (en) | 1969-05-22 | 1969-05-22 | Heat exchange element made of materials with low thermal conductivity and strength |
DE19691937783 Withdrawn DE1937783B2 (en) | 1969-05-22 | 1969-07-25 | HEAT EXCHANGER ELEMENT FOR PARTITION WALL HEAT EXCHANGER |
DE19691948407 Pending DE1948407A1 (en) | 1969-05-22 | 1969-09-25 | Heat exchange element made of materials with low thermal conductivity and strength |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19691926187 Pending DE1926187A1 (en) | 1969-05-22 | 1969-05-22 | Heat exchange element made of materials with low thermal conductivity and strength |
DE19691937783 Withdrawn DE1937783B2 (en) | 1969-05-22 | 1969-07-25 | HEAT EXCHANGER ELEMENT FOR PARTITION WALL HEAT EXCHANGER |
Country Status (12)
Country | Link |
---|---|
US (1) | US3648768A (en) |
JP (1) | JPS4930180B1 (en) |
BE (1) | BE750699A (en) |
BG (1) | BG20404A3 (en) |
CH (1) | CH517281A (en) |
CS (1) | CS174119B2 (en) |
DE (3) | DE1926187A1 (en) |
FR (1) | FR2043609B1 (en) |
GB (1) | GB1311998A (en) |
NL (1) | NL7005449A (en) |
RO (1) | RO61351A (en) |
YU (1) | YU33418B (en) |
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US4043015A (en) * | 1976-08-18 | 1977-08-23 | Brazeway, Inc. | Method of forming a header assembly |
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US4341346A (en) * | 1980-07-30 | 1982-07-27 | Alcan Aluminium (U.K.) Ltd. | Radiators for use in hot water central heating systems |
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-
1969
- 1969-05-22 DE DE19691926187 patent/DE1926187A1/en active Pending
- 1969-07-25 DE DE19691937783 patent/DE1937783B2/en not_active Withdrawn
- 1969-09-25 DE DE19691948407 patent/DE1948407A1/en active Pending
-
1970
- 1970-04-09 CH CH528870A patent/CH517281A/en not_active IP Right Cessation
- 1970-04-15 NL NL7005449A patent/NL7005449A/xx unknown
- 1970-04-28 US US32659A patent/US3648768A/en not_active Expired - Lifetime
- 1970-04-30 GB GB2075670A patent/GB1311998A/en not_active Expired
- 1970-05-15 YU YU01248/70A patent/YU33418B/en unknown
- 1970-05-19 JP JP45042795A patent/JPS4930180B1/ja active Pending
- 1970-05-21 BE BE750699D patent/BE750699A/en unknown
- 1970-05-21 FR FR7018408A patent/FR2043609B1/fr not_active Expired
- 1970-05-22 RO RO63427A patent/RO61351A/ro unknown
- 1970-05-22 CS CS3596A patent/CS174119B2/cs unknown
- 1970-05-22 BG BG14760A patent/BG20404A3/xx unknown
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5018959A (en) * | 1988-07-05 | 1991-05-28 | Uponor N.V. | Device for producing a grate construction and a grate construction |
WO2001031277A1 (en) * | 1999-10-26 | 2001-05-03 | Tetra Laval Holdings & Finance Sa | An arrangement in a tube heat exchanger |
CN1295478C (en) * | 1999-10-26 | 2007-01-17 | 利乐拉瓦尔集团及财务有限公司 | Arrangement in tube heat exchanger |
US8196644B1 (en) | 1999-10-26 | 2012-06-12 | Tetra Laval Holdings & Finance Sa | Arrangement in a tube heat exchanger |
Also Published As
Publication number | Publication date |
---|---|
YU124870A (en) | 1976-06-30 |
JPS4930180B1 (en) | 1974-08-10 |
DE1937783A1 (en) | 1971-02-04 |
FR2043609B1 (en) | 1974-02-01 |
US3648768B1 (en) | 1983-10-18 |
BG20404A3 (en) | 1975-11-05 |
BE750699A (en) | 1970-11-23 |
FR2043609A1 (en) | 1971-02-19 |
DE1926187A1 (en) | 1970-11-26 |
RO61351A (en) | 1977-01-15 |
DE1937783B2 (en) | 1977-12-29 |
NL7005449A (en) | 1970-11-24 |
YU33418B (en) | 1976-12-31 |
CH517281A (en) | 1971-12-31 |
GB1311998A (en) | 1973-03-28 |
CS174119B2 (en) | 1977-03-31 |
US3648768A (en) | 1972-03-14 |
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