Dzoxɔxɔ Nyuie ƒe Tubes
- Carbon & Carbon Alloy Ga si Wotsɔ Wɔe
- Ga si mexɔ dzo o
- Akɔbli & Nickel ƒe Alloy
- Dzoxɔxɔ Nyuie ƒe Tubes
- Pɔmpi ƒe Dɔwɔnuwo
- Pɔmpi ƒe Flanges
- Gasket, Stud Bolt & Nuti ƒe ʋuƒo
- Dɔwɔƒewo ƒe Valvɔwo
01. Ƒe 1999
Finned Tubing na Dzoxɔxɔ ƒe Trɔtrɔ ƒe Dɔwɔwɔ Nyuie
Mɔnu Siwo Wozãna Le Finned Tubes Ŋu
Wozãa mɔnu vovovowo tsɔ wɔa mɔ̃ siwo wotsɔ asi wɔe le nusiwo wotsɔ wɔe, wo zazã, kple woƒe dɔwɔwɔ ƒe nudidiwo nu:
1. Asike Siwo Woɖe Ðe Go (Integral Fins) .
- Wotoa ga eve ƒe mɔ̃ (le kpɔɖeŋu me, aluminum gotagome ƒuƒoƒo si le gakpo alo akɔbli ƒe nuto dzi) to mɔ̃ si ɖea asikewo ɖa le gotagome ƒuƒoƒoa me.
- Enaa mɔ̃ɖaŋununya ƒe ŋusẽ nyuitɔ kekeake kple dzoxɔxɔ ƒe tsɔtsɔme.
- Wozãnɛ le dzoxɔxɔ gã ƒe dɔwɔwɔwo abe dzoxɔxɔ gbugbɔgaxɔ ƒe ɖoɖowo ene.
2. Asike Siwo Woxatsa (Spiral)
- Wotsɔa ga gbadzɛ (zi geɖe la, aluminum alo akɔbli) ƒoa xlã gɔmeɖoanyi ƒe mɔ̃a eye wotsɔa aŋe, brazing, alo welding blanɛ.
- Exɔ asi eye wozãnɛ geɖe le dzoxɔxɔ ɖɔliɖɔlimɔ̃ siwo me ya fa miamiamia me.
- Mesɔ na dzoxɔxɔ si kɔkɔ ŋutɔ o le esi ate ŋu agblẽ nu le kadodo ŋu ta.
3. Asike siwo wotsɔ de eme (G-Fin).
- Wotsɔa mɔ̃ dea ʋuƒoa me, eye wotsɔa asike ƒe ʋuƒo dea eme eye wotsɔa mɔ̃ blanɛ ɖe teƒea.
- Dzoxɔxɔ ƒe kadodo nyui kple tsitretsitsi ɖe asike ƒe ʋuʋu ŋu.
- Ebɔ le process heaters kple boilers me.
4. Asike siwo wotsɔ ga ƒo ƒui
- Wotsɔa gaƒoɖokui ɖekaɖekawo ƒoa asikewo ɖe mɔ̃a dzi (le kpɔɖeŋu me, L-fɔti, asike siwo wotsɔ ƒo xlã wo nɔewo, alo esiwo wotsɔ stud-welded wɔe).
- Esɔ na dzoxɔxɔ gã kple nyaƒoɖeamenu gã ƒe dɔwɔwɔ (le kpɔɖeŋu me, gaŋutinunyalawo, dzoxɔxɔ gbegblẽwo gbugbɔgaxɔ).
- Exɔ asi wu gake enɔa anyi didina ŋutɔ.
5. Asike Siwo Le Didime
- Fins zɔna sɔ kple tube axis, wozãnɛ le afisi axial flow lɔ̃na le (le kpɔɖeŋu me, le ya fafɛ kple condensers aɖewo me).
- Wokpɔnɛ zi geɖe le ami ƒe dɔwɔwɔ me.
6. Asike Siwo Wotsɔ Atikewo Wɔe
- Wotsɔa ga ƒoa ʋuƒo suewo ɖe mɔ̃a ƒe anyime be woadzi tɔtɔ kple dzoxɔxɔ ƒe tsɔtsɔ ɖe edzi.
- Wozãnɛ le fluidized bed dzoxɔxɔ ɖɔliɖɔli kple dzodoƒe.
Finned Tubes Ƒomevi Xɔŋkɔwo le Dzoxɔxɔ ƒe Dɔwɔnuwo Me
1. Helical (Spiral) Fin Tubes
- Ƒomevi si bɔ wu, si wozãna le dzoxɔxɔ ɖɔliɖɔlimɔ̃ siwo ya fafɛ (ACHEs) me.
- Nusiwo wotsɔ wɔe: Aluminium (hena xɔxlɔ̃ ƒe tsitretsitsi), akɔbli, alo gakpo si mexɔ dzo o.
2. Fin Tubes siwo woɖe do goe
- Dzoxɔxɔ ƒe ŋutete deŋgɔ, si wozãna le dzoxɔxɔ gbugbɔgaxɔ ƒe dzoxɔxɔnamɔ̃wo (HRSGs) kple gaŋutinunyalawo me.
- Base tube: Carbon gakpo / gakpo si mexɔ dzo o; Nusi wotsɔ wɔe: Aluminium.
3. L-Afɔ & LL-Afɔ Finned Tubes
- "L" ƒe nɔnɔme le asikewo ŋu le woƒe gɔme hena woƒe kadodo nyuie wu.
- Wozãnɛ le amiɖaƒe kple elektrikŋusẽdɔwɔƒe ƒe dɔwɔwɔwo me.
4. Afã siwo ƒe alɔwo le abe lãfu ene
- Wotso asikewo be woatsɔ ado tɔtɔ kple dzoxɔxɔ ƒe ʋuʋu ɖe ŋgɔ.
- Wozãnɛ le gas-to-gas dzoxɔxɔ ɖɔliɖɔliwo me.
5. Knurled Fin Tubes
- Anyigba ƒe roughening naa dzoxɔxɔ ƒe tsɔtsɔ yi condensers kple evaporators me nyona ɖe edzi.
6. Fin Tubes Siwo Wotsɔ Ƒutsotsoewo Wɔe
- Wavy fins dzia anyigba ƒe lolome kple tɔtɔ ɖe edzi, si wɔnɛ be dɔwɔwɔ nyona ɖe edzi.
Nusiwo Tiatia Na Finned Tubes
- Dzoxɔxɔ & Nyaƒoɖeamenu: High-temp dɔwɔwɔwo hiã welded alo extruded fins.
- Corrosion Resistance: Aluminium asikewo na acidic nutowo, gakpo si mexɔ dzo o na nɔnɔme sesẽwo.
- Tsi Ƒomevi: Gas-kpa dzi ƒe asikewo hiã na anyigba ƒe lolome si lolo wu (helical/serrated), gake tsi ƒe akpa dzi ate ŋu azã low-fin tubes.
- Gazazã: Asike siwo woxatsa la mexɔa ga geɖe o, gake asike siwo woɖe ɖe go/siwo wotsɔ ga ƒo ɖe wo nɔewo ŋu ya ƒe asi sẽ wu gake wonɔa anyi didina wu.
Dɔbiagbalẽviwo
- Elektrikŋusẽdɔwɔƒewo: Ya fafɛ condensers, HRSGs.
- Ami & Gas: Dzoxɔxɔ do ŋgɔ, dzodoƒewo.
- HVAC: Chillers, dzoxɔxɔnamɔ̃wo.
- Atikewo: Dzoxɔxɔ gbegblẽwo, reactors.
Finned Tube kple Fin Nuwo ƒe Dɔwɔwɔ Nyuie
Nusiwo woatsɔ awɔ mɔ̃ siwo ŋu asike le le dzoxɔxɔnamɔ̃wo me tiatia nɔ te ɖe nusiwo le abe dzoxɔxɔ, nyaƒoɖeamenu, tsitretsitsi ɖe xɔxlɔ̃ ŋu, dzoxɔxɔ ƒe tsɔtsɔ, kple gazazã dzi. Le ete la, gakpo kple ga siwo wozãna na mɔ̃ siwo ŋu asike le siwo ame geɖe lɔ̃a zazã wu, siwo woma ɖe hatsotsowo me le mɔ̃ siwo wotsɔa asike wɔe kple esiwo wotsɔa asike wɔe nu:
1. Gɔmeɖoanyi Tube Nuwo (Core Tube) .
Gɔmeɖoanyi ƒe mɔ̃a tsɔa tsi vevitɔ (tsi/ya) eye ele be wòanɔ te ɖe nyaƒoɖeamenu, dzoxɔxɔ, kple xɔxlɔ̃ nu.
Ga si woyɔna be Carbon Steel (CS) .
- Dzesidewo: ASTM A179, A192, A210 (na dzodoƒe & dzoxɔxɔ ɖɔliɖɔli)
- Viɖewo: Ga home sue, ŋusẽ nyui, sɔ na nyaƒoɖeamenu gã dɔwo.
- Nusiwo gblẽ le eŋu: Ete ŋu xɔa dzo bɔbɔe; wozãnɛ zi geɖe kple nutsyɔnu siwo kpɔa ame ta alo ne nutoa me mexɔa dzo o.
- Dɔwɔwɔwo: Boilers, economizers, steam condensers.
Ga Si Mexɔa Dzo O (SS) .
- Dzesiwo:
- 304/304L – Taɖodzinu gbadzaa, nyui si te ŋu nɔa te ɖe xɔxlɔ̃ nu.
- 316/316L – Tsitretsitsi ɖe chloride kple acid ŋu nyuie wu (wozãnɛ le atikewɔƒewo, ƒumelãwo me).
- 321/347 – Dzeside siwo woli ke na dzoxɔxɔ gã ƒe dɔwɔwɔ (le kpɔɖeŋu me, ya si dona le yame ƒe dzoxɔxɔ gbugbɔgaxɔ).
- Viɖewo: Tsitretsitsi ɖe xɔxlɔ̃ ŋu nyuie ŋutɔ, ŋusẽ si le dzoxɔxɔ gã me.
- Nusiwo gblẽ le eŋu: Exɔ asi, dzoxɔxɔ ƒe tsɔtsɔme bɔbɔ wu carbon steel.
- Dɔwɔwɔwo: Akɔɖuƒewo, atikewo ŋuti dɔwɔwɔ, nuɖuɖudɔwɔƒewo.
Alloy Steels (Dzoxɔxɔ Kɔkɔ & Dzoxɔxɔ Tsitretsitsi)
- Dzesiwo:
- T5 (P5), T9 (P9), T11 (P11) – Chrome-molybdenum gakpowo na dzoxɔxɔ gã ƒe dzoxɔxɔdɔwo.
- T22 (P22), T91 (P91) – Wozãnɛ le elektrikŋusẽdɔwɔƒewo na dzoxɔxɔ gã kple dzoxɔxɔ gbugbɔgaxɔ ƒe ɖoɖowo.
- Viɖewo: Tsitretsitsi ɖe creep ŋu si lolo, nyo na dzoxɔxɔ si nu sẽ (vaseɖe 600°C+).
- Nusiwo gblẽ le eŋu: Ga home lolo wu carbon steel.
Akɔbli & Akɔbli ƒe Alloys
- Dzesidewo: C12200 (Akɔbli si me dzoxɔxɔ mele o si me phosphorus mele o), C70600 (Cu-Ni 90/10), C71500 (Cu-Ni 70/30).
- Viɖewo: Dzoxɔxɔ ƒe tsɔtsɔme nyuitɔ kekeake, nyo na dzoxɔxɔ sue dɔwo.
- Nusiwo gblẽ le eŋu: Efa, si te ŋu ƒua gbe bɔbɔe le tsi siwo zɔna kabakaba me.
- Dɔwɔwɔwo: HVAC, nufamɔ̃, condensers.
Nickel Alloys (Na Nɔnɔme Siwo Gbɔdzɔ) .
- Dzesiwo:
- Inconel 600/625 – Tsitretsitsi ɖe oxidation kple chloride ŋu ŋutɔ.
- Monel 400 – Ete ŋu nɔa te ɖe atsiaƒu me tsi kple acid ƒe nɔnɔmewo nu.
- Viɖewo: Superior xɔxlɔ̃ tsitretsitsi, kɔkɔ-dzoxɔxɔ ŋusẽ.
- Nusiwo gblẽ le eŋu: Exɔ asi ŋutɔ.
- Dɔwɔwɔwo: Ƒuta ami & gas, atikewɔƒewo.
2. Fin Nusiwo Wozãna
Asikewo nana dzoxɔxɔ ƒe tsɔtsɔ yi teƒe bubu nyona ɖe edzi eye ele be woada asɔ le dzoxɔxɔ ƒe tsɔtsɔ, tsitretsitsi ɖe xɔxlɔ̃ nu, kple gazazã ŋu.
Aluminium (Ebɔ Wu Na Asikewo) .
- Viɖewo:
- Dzoxɔxɔ ƒe tsɔtsɔme si lolo.
- Eƒe kpekpeme le bɔbɔe, si te ŋu nɔa te ɖe xɔxlɔ̃ nu (ewɔa ametakpɔnu oxide ƒuƒoƒo).
- Gazazã nyuie ne wotsɔe sɔ kple akɔbli alo gakpo si mexɔ dzo o.
- Cons: Low melting point (~660°C), mesɔ na temps kɔkɔ ŋutɔ o.
- Dɔwɔwɔwo: Ya fafɛ dzoxɔxɔ ɖɔliɖɔli (ACHEs), radiators.
Akɔbli (Ete ŋu tsɔa elektrikŋusẽ yia teƒe bubuwo) .
- Viɖewo: Dzoxɔxɔ ƒe tsɔtsɔme nyuitɔ kekeake, nyo na dzoxɔxɔ sue ƒe dɔwɔwɔwo.
- Nusiwo gblẽ le eŋu: Exɔ asi, ewɔa oxidation bɔbɔe le teƒe siwo tsi le.
- Dɔwɔwɔwo: Nufamɔ̃, condensers.
Stainless Steel (Na Nutome Sesẽwo) .
- Dzesidewo: SS 304, 316, 321 (nusɔe kple base tube ƒe dzesiwo).
- Viɖewo: Ete ŋu nɔa te ɖe xɔxlɔ̃ nu, enɔa anyi didina le dzoxɔxɔ gã me.
- Nusiwo gblẽ le eŋu: Dzoxɔxɔ ƒe tsɔtsɔme bɔbɔ wu Al/Cu.
- Dɔwɔwɔwo: Atikewɔƒewo, dzoxɔxɔ gbegblẽwo gbugbɔgaxɔ.
Carbon Steel (Tiatia Si Mexɔ Asi O) .
- Viɖewo: Eƒe asi bɔbɔ, sesẽ.
- Nusiwo gblẽ le eŋu: Exɔa gbe bɔbɔe negbe ɖe wotsɔ galvanized alo coated.
- Dɔwɔwɔwo: Nuto siwo me dzoxɔxɔ mele o, dɔwɔƒewo ƒe dzoxɔxɔnamɔ̃wo.
Bimetallic Fins (Xexeme Eveawo Me Nyuitɔ Kekeake) .
- Kpɔɖeŋu: Aluminium-fiwo le carbon steel alo stainless steel tube dzi.
- Viɖewo: Etsɔa Al ƒe conductivity kple gakpo ƒe ŋusẽ tsakana.
- Dɔwɔwɔwo: Elektrikŋusẽdɔwɔƒewo, dzoxɔxɔ gbugbɔgaxɔ ƒe dzoxɔxɔnamɔ̃wo (HRSGs).
Nusiwo Wozãna Tiatia Ŋuti Mɔfiame
| Dɔbiagbalẽvi | Wokafu Base Tube | Fin Material si Wokafu |
| Dzoxɔxɔ ɖɔliɖɔlimɔ̃ siwo wotsɔa ya fafɛe | Ga si wotsɔ carbon wɔe / SS 304 | Aluminium (si bɔ wu) |
| Boilers & gaŋutinunyalawo | Ga si wotsɔ carbon wɔe (A192, P11) | Carbon gakpo / SS |
| Atikewo ƒe numiemiewo | SS 316 / Nickel ƒe kpe xɔasiwo | SS 316 / Aluminium |
| Nufamɔ̃ & HVAC | Akɔbli | Akɔbli / Aluminium |
| Ya si dona le yame si ƒe dzoxɔxɔ nu sẽ | SS 321 / Inconel ƒe ƒuƒoƒo | SS 321 / Ga si wotsɔ akɔbli wɔe gã |
Nu Vevi Siwo Ŋu Nàbu Ne èle Nusiwo Woazã Tiam
1. Dzoxɔxɔ:
-
- 200°C–500°C: Ga si mexɔ dzo o ƒe asikewo.
- > 500°C: Ga siwo me wotsɔa ga wɔe ŋutɔ (T22, T91) alo Inconel.
2. Nuto si me xɔxlɔ̃ le:
- Ƒudzi/ƒuta: Cu-Ni alo Monel.
- Asidi/atike: SS 316 alo nikel ƒe kpewo.
3. Dzoxɔxɔ ƒe Ʋuʋu ƒe Hiahiãwo:
- Nyuitɔ: Akɔbli > Aluminium > Carbon Steel > Ga si mexɔ dzo o.
4. Gazazã kple Dɔwɔwɔ:
- Aluminium asike siwo le carbon steel tubes dzi naa dadasɔ nyuie.
- Ne ehiã vevie ko hafi wozãa Nickel-kpewo.
Àdi be yeabia nu ma kea ? Te ɖe mía ŋu Fifia be nàɖo wò biabiaa ɖa!
