NO131709B - - Google Patents
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- Publication number
- NO131709B NO131709B NO1260/71A NO126071A NO131709B NO 131709 B NO131709 B NO 131709B NO 1260/71 A NO1260/71 A NO 1260/71A NO 126071 A NO126071 A NO 126071A NO 131709 B NO131709 B NO 131709B
- Authority
- NO
- Norway
- Prior art keywords
- plate
- sleeves
- pipes
- sleeve
- stated
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 238000005219 brazing Methods 0.000 claims description 5
- 230000004907 flux Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 5
- 238000005476 soldering Methods 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 4
- 239000013535 sea water Substances 0.000 description 3
- 230000008646 thermal stress Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008642 heat stress Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J31/00—Ink ribbons; Renovating or testing ink ribbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/10—Duplicating or marking methods; Sheet materials for use therein by using carbon paper or the like
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
- Y10T428/31797—Next to addition polymer from unsaturated monomers
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31844—Of natural gum, rosin, natural oil or lac
Landscapes
- Laminated Bodies (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
Fremgangsmåte til montering av rør eller rørslynger i varmeutvekslere. Procedure for installing pipes or pipe coils in heat exchangers.
Foreliggende oppfinnelse angår en The present invention relates to a
fremgangsmåte til montering av rør eller procedure for installing pipes or
rørslynger i varmeutvekslere av den art der coils in heat exchangers of that kind
rørenes ender skal festes i hull i en plate. the ends of the pipes must be fixed in holes in a plate.
Rør i varmeutvekslere av denne art Tubes in heat exchangers of this type
har tidligere blant annet blitt innvalset has previously, among other things, been rolled
ved at rørenes ender etter at disse er brakt by the ends of the pipes after these have been brought
på plass i hullene i platen, ved hjelp av et in place in the holes in the plate, using a
spesielt verktøy, utvides slik at rørene der-ved blir sittende fast i hullene. Denne special tools, are expanded so that the pipes thereby become stuck in the holes. This
festemåte er imidlertid lite tilfredsstill-ende, idet rørene forholdsvis lett løsner, method of attachment is, however, not satisfactory, as the pipes loosen relatively easily,
særlig ombord på skip, der varmeutveksleren hele tiden er utsatt for vibrasjoner. especially on board ships, where the heat exchanger is constantly exposed to vibrations.
Denne festemåte er også kostbar fordi det This method of attachment is also expensive because it
kreves meget nøyaktige pasninger mellom very precise passes between are required
hullene i platen og rørenes ender. the holes in the plate and the ends of the tubes.
Det er videre blitt foreslått å sveise It has also been suggested to weld
rørene fast til platen, eventuelt med en the pipes fixed to the plate, possibly with a
mellomliggende hylse som omslutter røret intermediate sleeve that encloses the pipe
og passer inn i et hull i platen, men da and fits into a hole in the plate, but then
fastsveising av disse deler jo krever at man welding these parts requires that one
må ha plass for å komme til med en sveiseelektrode fører denne festemåte til at rør-ene ikke kan anordnes så tett ved hver-andre på platen som ønskelig. must have room to fit a welding electrode, this method of attachment means that the tubes cannot be arranged as close to each other on the plate as desired.
Både ved innvalsede rør og ved fastsveisede rør kreves det spesielle egenskaper Both rolled pipes and welded pipes require special properties
av materialene i rørene, f. eks. formbarhet of the materials in the pipes, e.g. malleability
og gode sveiseegenskaper, som vanskelig and good welding properties, as difficult
kan kombineres med stor motstandsdyktighet mot påvirkning fra sjøvann. can be combined with high resistance to the effects of seawater.
Både innvalsede og fastsveisede rør er Both rolled and welded pipes are
vanskelige å skifte ut, og ved fastsveising difficult to replace, and by welding
av rørene opptrer det lett lokale varme-spenninger i platen som senere kan føre of the pipes, local heat stresses easily occur in the plate which can later lead to
til sprekkdannelser og andre ulemper. to cracks and other disadvantages.
Oppfinnelsen tar sikte på å oppheve The invention aims to abolish
disse ulemper ved å tilveiebringe en fremgangsmåte til montering av rør eller rør-slynger i varmeutvekslere av den oven-nevnte art, der samtlige ulemper ved tidligere kjente varmeutvekslere er opphevet, idet man ved bruk av fremgangsmåten i henhold til oppfinnelsen kan velge det rør-materiale som er mest hensiktsmessig, og har størst motstandsdyktighet mot påvirkning fra sjøvann, og dessuten kan rørene settes så tett man måtte ønske, og videre opptrer det ikke uheldige varmespennin-ger i platen. I tillegg til dette får rørene et godt feste i platen og er lette å skifte ut. I henhold til oppfinnelsen er dette oppnådd ved en fremgangsmåte til montering av rør eller rørslynger i varmeutvekslere av den art der rørenes ender skal festes i hull i en plate ved hjelp av hylser med større lengde enn platens tykkelse, og oppfinnelsen er kjennetegnet ved at hylsene slagloddes til platen, hvoretter rørene tinnloddes til hylsene. these disadvantages by providing a method for installing pipes or pipe coils in heat exchangers of the above-mentioned type, where all the disadvantages of previously known heat exchangers are eliminated, since by using the method according to the invention one can choose the pipe material which is most appropriate, and has the greatest resistance to the influence of seawater, and furthermore, the pipes can be placed as close as desired, and furthermore there are no adverse thermal stresses in the plate. In addition to this, the tubes get a good hold in the plate and are easy to replace. According to the invention, this is achieved by a method for installing pipes or pipe coils in heat exchangers of the kind where the ends of the pipes are to be fixed in holes in a plate using sleeves with a length greater than the thickness of the plate, and the invention is characterized by the sleeves being brazed to the plate, after which the tubes are soldered to the sleeves.
Ved en foretrukken utførelse for fremgangsmåten settes alle hylser på plass i de respektive hull i platen og forsynes med en tilstrekkelig mengde slagloddemateriale, og eventuelt flussmiddel, hvoretter platen med hylsene oppvarmes som en samlet enhet, inntil slagloddematerialet flyter. In a preferred embodiment of the method, all sleeves are put in place in the respective holes in the plate and supplied with a sufficient amount of brazing material, and possibly flux, after which the plate with the sleeves is heated as a single unit, until the brazing material flows.
En hensiktsmessig form for en hylse til utøvelse av denne fremgangsmåte har innvendige dimensjoner som er noe større enn de utvendige mål på det tilhørende rør, mens hylsens ene ende kan være sammen-snevret til rørets utvendige mål, og videre kan om det er hensiktsmessig, rørets annen ende ha traktformet utvidelse. An appropriate form of a sleeve for carrying out this method has internal dimensions that are somewhat larger than the external dimensions of the associated pipe, while one end of the sleeve can be narrowed to the external dimensions of the pipe, and further, if appropriate, the pipe's other end have funnel-shaped expansion.
I IN
Fremgangsmåten i henhold til oppfin-nelsenj vil i det følgende bli nærmere be-skrevet under henvisning til tegningen, der fig. 1 yicer et snitt gjennom et hjørne av en utførelse.sform for en varmeutveksler, The method according to the invention will be described in more detail below with reference to the drawing, where fig. 1 shows a section through a corner of an embodiment of a heat exchanger,
fig. 2 viser anbringelsen av hylsene i platen j før disse slagloddes, og fig. 2 shows the placement of the sleeves in the plate j before these are brazed, and
fig. 3 viser innføring og feste av en rørende. fig. 3 shows the introduction and attachment of a touching end.
Varmeutveksleren som er vist i fig. 1 omfatter en mantel 1 som i den viste ende er lukket av en plate 2. Platen 2 kan være festet til mantelen 1 ved hjelp av en skrue-forbindelse 3, eller på annen hensiktsmessig måte. En rekke rør 4 som kan ha en langstrakt U-form og som vanligvis kalles nålrør, jer festet i platen 2 ved hjelp av en mellomliggende hylse 5, som er slagloddet til platen 2 ved 6, mens rørene 4 er tinn-loddet til hylsen 5 ved 11. Slagloddingen av hylsenel 5 til platen 1 utføres fortrinnsvis som vist i fig. 2, der samtlige hylser 5 er satt på plass i hullene i platen 2. Et stykke av et trådformet slagloddemateriale 7 er her lagi som en ring rundt hver hylse i et loddespor 8, og hele platen med hylsene varmes deretter opp som en enhet i en ovn, inntil slagloddematerialet 7 flyter og fyl-ler loddesporet 8 og eventuelt flyter ned mellom 'hullenes 9 vegger og hylsene 5. The heat exchanger shown in fig. 1 comprises a mantle 1 which is closed at the end shown by a plate 2. The plate 2 can be attached to the mantle 1 by means of a screw connection 3, or in another appropriate way. A series of tubes 4 which may have an elongated U-shape and which are usually called needle tubes, are fixed in the plate 2 by means of an intermediate sleeve 5, which is brazed to the plate 2 at 6, while the tubes 4 are tin-soldered to the sleeve 5 at 11. The brazing of the sleeve 5 to the plate 1 is preferably carried out as shown in fig. 2, where all the sleeves 5 are set in place in the holes in the plate 2. A piece of a wire-shaped soldering material 7 is here layered as a ring around each sleeve in a solder track 8, and the entire plate with the sleeves is then heated as a unit in a oven, until the solder material 7 flows and fills the solder groove 8 and possibly flows down between the walls 9 of the holes and the sleeves 5.
Ved' en slik oppvarming vil platene ut-vide seg| jevnt, og det vil ikke opptre var-mespenninger, slik tilfelle er når en kon-sentrertj sveiseflamme rettes mot et be-stemt, begrenset område av platen. With such heating, the plates will expand evenly, and thermal stresses will not occur, as is the case when a concentrated welding flame is directed at a specific, limited area of the plate.
På grunn av at det ikke er nødvendig med så stor avstand mellom hylsene 5 at man kommer til med en sveiseelektrode, noe som er riødvendig ved tidligere kjente kon-struksjoner, kan hylsene 5 plaseres så tett man måtte ønske, hvorved hele varmeutveksleren får en meget sammentrengt og plassbesparende oppbygning. Due to the fact that it is not necessary to have such a large distance between the sleeves 5 that you get with a welding electrode, which is necessary in previously known constructions, the sleeves 5 can be placed as close as desired, whereby the entire heat exchanger gets a very compressed and space-saving construction.
Etter at den oppvarmede plate er av-kjølet vil hylsene 5 være godt festet i platen 2, og rørendene kan deretter innføres som vist ji fig. 3. Hver rørende innføres da i en tilhørende hylse 5, og tinnloddes fast til denne; f. eks. ved at flytende tinnlodde-materialé fylles mellom rørenden 10 og hylsen 5. Den oppvarmning som finner sted ved tinnlbddingen, er så ubetydelig at det ikke blir |tale om uønskede varmespennin-ger i plaien. After the heated plate has cooled, the sleeves 5 will be firmly fixed in the plate 2, and the tube ends can then be inserted as shown in fig. 3. Each touching end is then introduced into a corresponding sleeve 5, and tin-soldered to this; e.g. in that liquid tin solder material is filled between the pipe end 10 and the sleeve 5. The heating that takes place during the tin filling is so insignificant that there is no question of unwanted thermal stresses in the plate.
Tinnloddingen muliggjør også et ma-terialvalg hva rørene angår, der man bare The tin soldering also enables a choice of material as far as the pipes are concerned, where you just
behøver ta hensyn til materialets bestan-dighet mot sjøvann og eventuelle andre egenskaper som er av viktighet, og det er således ikke nødvendig at rørmaterialet må kunne sveises eller deformeres. need to take into account the material's resistance to seawater and any other properties that are important, and it is thus not necessary that the pipe material must be able to be welded or deformed.
I det viste eksempel er hylsene 5 sam-mensnevret ved en ende 12, noe som letter tinnloddingen og videre er hylsene 5 ved den annen ende 13, utført traktformet. In the example shown, the sleeves 5 are narrowed together at one end 12, which facilitates the tin soldering, and furthermore the sleeves 5 at the other end 13 are made funnel-shaped.
På grunn av tinnloddingen er rørene lette å skifte ut, idet det da bare er nød-vendig å heve temperaturen på en eller 2 hylser, men denne temperatur er allikevel så lav at slagloddingen holder hylsene på plass. Because of the tin soldering, the tubes are easy to replace, as it is then only necessary to raise the temperature of one or 2 sleeves, but this temperature is still so low that the soldering keeps the sleeves in place.
Det viste eksempel tjener bare til å il-lustrere oppfinnelsen og danner ingen be-grensning for denne, idet det godt kan tenkes andre utførelsesformer som vil falle innenfor oppfinnelsens ramme, f. eks. kan hylsene 5 godt utføres kortere eller lenger enn det som er vist. The example shown only serves to illustrate the invention and forms no limitation for it, since other embodiments can well be imagined that would fall within the scope of the invention, e.g. the sleeves 5 can be made shorter or longer than what is shown.
Claims (5)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3017370A | 1970-04-20 | 1970-04-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
NO131709B true NO131709B (en) | 1975-04-07 |
NO131709C NO131709C (en) | 1975-07-16 |
Family
ID=21852879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO1260/71A NO131709C (en) | 1970-04-20 | 1971-04-02 |
Country Status (16)
Country | Link |
---|---|
US (1) | US3671287A (en) |
JP (1) | JPS5527869B1 (en) |
AT (1) | AT307458B (en) |
BE (1) | BE765379A (en) |
BR (1) | BR7102231D0 (en) |
CA (1) | CA928163A (en) |
CH (1) | CH561606A5 (en) |
DK (1) | DK131139B (en) |
ES (1) | ES389981A1 (en) |
FR (1) | FR2092405A5 (en) |
GB (1) | GB1348417A (en) |
LU (1) | LU62936A1 (en) |
NL (1) | NL149437B (en) |
NO (1) | NO131709C (en) |
SE (1) | SE367577B (en) |
ZA (1) | ZA712216B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3928710A (en) * | 1970-04-29 | 1975-12-23 | Letraset International Ltd | Heat activated transfers |
US4107327A (en) | 1975-03-26 | 1978-08-15 | Caribonum Limited | Transfer materials |
US4161551A (en) * | 1977-03-24 | 1979-07-17 | Eaton Allen Corp. | Adhesively correctable transfer medium with delayed alteration resistance characteristics |
US4217388A (en) * | 1978-03-27 | 1980-08-12 | Columbia Ribbon And Carbon Mfg. Co., Inc. | Pressure-sensitive transfer elements and process |
US4482262A (en) * | 1981-04-16 | 1984-11-13 | Eugene Di Luco | Transfer/correcting ribbon |
DE3635112A1 (en) * | 1986-10-15 | 1988-05-05 | Caribonum Ltd | OVERLAPPING OVERWRITABLE RIBBON FOR NEEDLE PRINTING SYSTEMS AND A METHOD FOR THE PRODUCTION THEREOF |
JP3873355B2 (en) * | 1997-02-26 | 2007-01-24 | オリヱント化学工業株式会社 | Polyethylene terephthalate resin composition, masterbatch thereof, and method for modifying polyethylene terephthalate resin |
-
1970
- 1970-04-20 US US30173A patent/US3671287A/en not_active Expired - Lifetime
-
1971
- 1971-03-10 FR FR7108339A patent/FR2092405A5/fr not_active Expired
- 1971-04-02 NO NO1260/71A patent/NO131709C/no unknown
- 1971-04-05 CA CA109584A patent/CA928163A/en not_active Expired
- 1971-04-05 SE SE04375/71A patent/SE367577B/xx unknown
- 1971-04-05 DK DK162571AA patent/DK131139B/en unknown
- 1971-04-06 ES ES389981A patent/ES389981A1/en not_active Expired
- 1971-04-06 NL NL717104568A patent/NL149437B/en not_active IP Right Cessation
- 1971-04-06 BE BE765379A patent/BE765379A/en unknown
- 1971-04-06 LU LU62936D patent/LU62936A1/xx unknown
- 1971-04-06 AT AT293071A patent/AT307458B/en not_active IP Right Cessation
- 1971-04-07 JP JP2108171A patent/JPS5527869B1/ja active Pending
- 1971-04-07 ZA ZA712216A patent/ZA712216B/en unknown
- 1971-04-15 BR BR2231/71A patent/BR7102231D0/en unknown
- 1971-04-15 CH CH549971A patent/CH561606A5/xx not_active IP Right Cessation
- 1971-04-19 GB GB2629371*A patent/GB1348417A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH561606A5 (en) | 1975-05-15 |
SE367577B (en) | 1974-06-04 |
US3671287A (en) | 1972-06-20 |
DK131139C (en) | 1975-11-03 |
NO131709C (en) | 1975-07-16 |
GB1348417A (en) | 1974-03-20 |
LU62936A1 (en) | 1971-08-26 |
DK131139B (en) | 1975-06-02 |
ES389981A1 (en) | 1974-03-16 |
BE765379A (en) | 1971-08-30 |
NL149437B (en) | 1976-05-17 |
AT307458B (en) | 1973-05-25 |
BR7102231D0 (en) | 1973-04-05 |
CA928163A (en) | 1973-06-12 |
ZA712216B (en) | 1971-12-29 |
DE2117075A1 (en) | 1971-11-04 |
DE2117075B2 (en) | 1974-08-01 |
JPS5527869B1 (en) | 1980-07-23 |
FR2092405A5 (en) | 1972-01-21 |
NL7104568A (en) | 1971-10-22 |
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