DE1027700B - Tubular heat exchangers with tubes that are thermally movable in tube floors, in particular with non-metallic tubes - Google Patents
Tubular heat exchangers with tubes that are thermally movable in tube floors, in particular with non-metallic tubesInfo
- Publication number
- DE1027700B DE1027700B DEK25478A DEK0025478A DE1027700B DE 1027700 B DE1027700 B DE 1027700B DE K25478 A DEK25478 A DE K25478A DE K0025478 A DEK0025478 A DE K0025478A DE 1027700 B DE1027700 B DE 1027700B
- Authority
- DE
- Germany
- Prior art keywords
- tubes
- tubular heat
- heat exchangers
- rubber
- sealing
- 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
- 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
- F28F9/14—Arrangements for sealing elements into header boxes or end plates by dismountable joints by force-joining
Description
DEUTSCHESGERMAN
Die Erfindung betrifft einen Röhrenwärmeaustauscher mit in Rohrböden wärmebeweglich eingesetzten Rohren, bei dem der Rohrboden aus zwei hintereinanderliegenden, mit Bohrungen versehenen Platten ljesteht. Es ist bekannt, bei solchen Röhrenwärmeaustauschern die Rohre durch Dichtungen aus Gummi oder gummiähnlichem Material an der Durchtrittsstelle durch die Bodenplatten abzudichten. Diese bekannten Dichtungen bestehen aus an dem Boden anliegenden Platten aus Gummi, die vorgeformte Dichtungskragen besitzen, die sich um die Rohre legen. Der Zwischenraum zwischen den beiden Bodenplatten, in dem die Dichtungen sich befinden, wird von einem Druckmittel durchflossen, das die Dichtungen an die Bodenplatten und die Rohre anpreßt und gleichzeitig zur Kühlung der temperaturempfindlichen Dichtungen dient.The invention relates to a tubular heat exchanger with heat-movable inserted into tube sheets Tubes in which the tube sheet consists of two plates, one behind the other and provided with holes I stand. It is known that in such tubular heat exchangers, the tubes by seals made of rubber or to seal rubber-like material at the point of passage through the floor panels. These well-known Seals consist of rubber plates that lie against the floor, the preformed sealing collars own that wrap around the pipes. The space between the two floor panels, in which the seals are located is traversed by a pressure medium that the seals to the Base plates and the pipes presses and at the same time for cooling the temperature-sensitive seals serves.
Die Dichtungskragen aus Gummi oder gummiähnlichem Material besitzen im ausgebauten Zustand einen kleineren Innendurchmesser als der Rohraußen- ao durchmesser. Sie werden infolgedessen beim Hindurchstecken der Rohre und im anschließenden Betriebszustand gedehnt. Es hat sich durch langwierige Versuche, bei denen Wasser als Druckmittel und Kühlmittel verwendet wurde, ergeben, daß diese Dehnung ein gewisses Maß nicht überschreiten darf, sonst tritt infolge von Quellungen unter Einwirkung des Druckmittels ein Einreißen der Kragenenden und damit Undichtwerden auf.The sealing collars made of rubber or rubber-like material have in the dismantled state a smaller inside diameter than the pipe outside diameter. You will as a result when you stick through it of the pipes and stretched in the subsequent operating state. It has been tedious Experiments in which water was used as a pressure medium and coolant show that this Stretching must not exceed a certain amount, otherwise it occurs as a result of swelling under the effect of the pressure medium a tearing of the collar ends and thus a leak.
In der Zeichnung ist ein solcher Dichtungskragen in einem Ausschnitt aus dem Wärmeaustauscher dargestellt. 1 ist die Bodenplatte, durch deren Bohrung das Rohr 3 mit entsprechendem Spiel hindurchtritt. Die Erfindung wird vorzugsweise angewandt bei Rohren aus nichtmetallischem Material, beispielsweise Graphitrohren. 6 ist die Dichtungsplatte aus Gummi oder gummiähnlichem Material, die den gesamten Boden 1 bedeckt. 7 ist der Kragen, der, aus dieser Gummiplatte vorgeformt, sieh um das Rohr 3 legt. Die Pfeile 9 deuten an, daß durch das Druckmittel die Gummiplatte an den Rohrboden und der Kragen an das Rohr angedrückt werden. Die Abmessungen des Kragens 7 vor dem Einbau der Dichtung sind strichpunktiert dargestellt. Man sieht, daß der Innendurchmesser d des Dichtungskragens wesentlich kleiner ist als derIn the drawing, such a sealing collar is shown in a section from the heat exchanger. 1 is the base plate, through the bore of which the pipe 3 passes with a corresponding clearance. The invention is preferably applied to tubes made of non-metallic material, for example graphite tubes. 6 is the sealing plate made of rubber or rubber-like material which covers the entire floor 1. 7 is the collar which, preformed from this rubber sheet, is placed around the tube 3. The arrows 9 indicate that the rubber plate is pressed against the tube sheet and the collar against the tube by the pressure medium. The dimensions of the collar 7 before the seal is installed are shown in phantom. It can be seen that the inner diameter d of the sealing collar is much smaller than that
wärmebeweglich eingesetzten Rohren,
insbesondere mit nichtmetallischen Rohrenheat-movable pipes inserted,
especially with non-metallic pipes
Anmelder:Applicant:
Aktiengesellschaft Külmle, Kopp & Kausch, Frankenthal (Pfalz)Aktiengesellschaft Külmle, Kopp & Kausch, Frankenthal (Palatinate)
Rohraußendurchmesser D. Die Versuche haben nun ergeben, daß, um die Haltbarkeit der Dichtungen zu gewährleisten, der Durchmesser d nicht kleiner sein darf als das 0,9fache des Rohraußendurchmessers D. Es hat sich ferner gezeigt, daß es zweckmäßig ist, die Enden der Dichtungskragen zuzuspitzen, wie es in der Abbildung bei 8 dargestellt ist. Diese spitz auslaufenden Kragenenden werden durch die Druckflüssigkeit, die sich in dem Raum oberhalb der Platte 1 und der Dichtung 6 befindet, besser an alle, auch die kleinsten Abweichungen von der kreisrunden Form des Rohres angedrückt, wodurch die einwandfreie Dichtheit erst gewährleistet wird.Outer pipe diameter D. The tests have now shown that, in order to ensure the durability of the seals, the diameter d must not be smaller than 0.9 times the outer pipe diameter D. It has also been shown that it is useful to cut the ends of the sealing collar pointed, as shown in the figure at 8. These pointed collar ends are better pressed against all, even the smallest deviations from the circular shape of the pipe by the pressure fluid located in the space above the plate 1 and the seal 6, which ensures perfect tightness.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK25478A DE1027700B (en) | 1955-04-09 | 1955-04-09 | Tubular heat exchangers with tubes that are thermally movable in tube floors, in particular with non-metallic tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK25478A DE1027700B (en) | 1955-04-09 | 1955-04-09 | Tubular heat exchangers with tubes that are thermally movable in tube floors, in particular with non-metallic tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1027700B true DE1027700B (en) | 1958-04-10 |
Family
ID=7217325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEK25478A Pending DE1027700B (en) | 1955-04-09 | 1955-04-09 | Tubular heat exchangers with tubes that are thermally movable in tube floors, in particular with non-metallic tubes |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1027700B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3174914A (en) * | 1959-01-19 | 1965-03-23 | Bethlehem Steel Corp | Tandem flash distilling plant |
| FR2093349A5 (en) * | 1970-06-11 | 1972-01-28 | Ferodo Sa | |
| FR2236578A1 (en) * | 1973-07-13 | 1975-02-07 | Chausson Usines Sa | Radiator headers and tube assembly process - forces tubes into taper collars round tank openings |
-
1955
- 1955-04-09 DE DEK25478A patent/DE1027700B/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3174914A (en) * | 1959-01-19 | 1965-03-23 | Bethlehem Steel Corp | Tandem flash distilling plant |
| FR2093349A5 (en) * | 1970-06-11 | 1972-01-28 | Ferodo Sa | |
| FR2236578A1 (en) * | 1973-07-13 | 1975-02-07 | Chausson Usines Sa | Radiator headers and tube assembly process - forces tubes into taper collars round tank openings |
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