Finned Tube Bundle|Finned Pipe Bundle

Khoom Description

1. Dab tsi yog finned tube pob khoom?

Finned tube bundle tsim los ntawm ntau lub raj finned txheej txheem raws li qee txoj cai yog hu ua finned tube bundle. Lub finned tube cua sov exchanger tuaj yeem tsim los ntawm ib lossis ntau dua finned tube bundles.

2. Dab tsi yog qhov muaj pes tsawg leeg ntawm finned tube bundle?

Finned tube (ntau lub raj): cov ntsiab lus tseem ceeb ntawm kev hloov cua sov.

Tube lub thawv (header) lossis raj phaj: lub taub hau, lub luj tshib lossis steel phaj txuas ob kawg ntawm lub raj fin.

Thaum lub raj finned txuas nrog lub taub hau lossis lub raj ntawv, qhov sib nrug ntawm cov raj finned yog tsau, thiab lub thawv lub raj tsim cov dej ntws mus tas li rau cov kua hauv lub raj. Ncej: kev txhawb nqa thiab kho tag nrho finned tube pob.

3. Finned tube pob kev npaj?

Nyob rau hauv ib lub finned tube bundle, kev xaiv ntawm fin tube kev npaj yog qhov tseem ceeb heev. Muaj ob hom kev npaj: staggered thiab sequential. Lub npe hu ua staggered arrangement yog hais txog kev sib dhos ntawm cov kav dej hauv cov cua ntws kev taw qhia, thaum txoj kab hauv kab hais txog kev sib txuas ntawm cov kav dej hauv cov cua ntws.

Cov duab hauv qab no hais txog tias cov hlab finned nrog cov qauv sib txawv, xws li cov fins lossis cov phaj fins (tseem hu ua phaj fins), tuaj yeem muab faib ua staggered thiab hauv kab.

Lub xub nyob rau hauv daim duab sawv cev rau kev khiav dej num ntawm cov kua sab nraum cov yeeb nkab, S1 sawv cev rau lub transverse yeeb nkab sib nrug, thiab S2 sawv cev rau longitudinal yeeb nkab sib nrug.

Qhov zoo thiab qhov tsis zoo ntawm kev sib txuas hauv kab thiab staggered:

Kev sib xyaw ua ke: thaum cov kua dej ntws los ntawm sab nraud ntawm cov yeeb nkab, qhov cuam tshuam me me thiab cov cua sov hloov coefficient tsawg, tab sis qhov kom zoo dua yog qhov ua haujlwm me me.

Hla kab: thaum cov kua ntws ncig sab nraud ntawm cov yeeb nkab, nws yuav raug cuam tshuam loj thiab kub hloov pauv coefficient, tab sis qhov tsis zoo yog qhov ua haujlwm loj. Thaum tsis muaj kev txwv nruj rau qhov kev poob qis, qhov kev npaj staggered yuav tsum nyiam; Thaum qhov xav tau kev poob qis tsawg heev, cov txheej txheem kev sib txuas yuav tsum raug xaiv.

4. Cov qauv qauv ntawm finned raj header

Yog hais tias daim ntawv npaj ntawm finned hlab bundles (nyob rau hauv sequence los yog nyob rau hauv staggered kev npaj, thiab kev xaiv ntawm raj spacing) mas txiav txim siab los ntawm kev xav txog cov cua kub uas yuav tsum tau ntawm cov kua sab nraum lub raj, ces daim ntawv thiab cov qauv ntawm lub raj lub thawv yog mas. raws li qhov xav tau ntawm lub siab thiab kub hloov pauv ntawm cov kua hauv lub raj.

Feem ntau, cov hauv qab no yuav tsum ua raws li:

(1) Yog hais tias lub siab ntawm cov kua hauv cov yeeb nkab yog qhov siab, qhov loj txoj kab uas hla puag ncig cov yeeb nkab feem ntau xaiv raws li cov yeeb nkab header. Piv txwv li, hauv kev siv boiler, yuav luag txhua tus siv lub voj voog ua lub thawv raj / raj taub hau.

(2) Nyob rau hauv daim ntawv thov cua txias, square tube header yog nyiam.

Lub taub hau square tube muaj qhov zoo dua uas ntau kab ntawm cov hlab ntsha tuaj yeem txuas rau tib lub sijhawm. Thaum muaj chav dej nyob hauv cov yeeb nkab, yuav tsum muaj qhov chaw loj, thiab nws yuav tsum tau txuas lub raj taub hau nrog ntau kab ntawm cov kav dej.

(3) Thaum qhov kub sib txawv ntawm qhov nkag thiab qhov hluav taws xob ntawm cov kua hauv cov yeeb nkab loj, lub thawv yeeb nkab yuav raug deformed vim qhov sib txawv thermal expansion ntawm cov yeeb nkab bank. Nyob rau hauv cov ntaub ntawv no, lub decomposition hom yeeb nkab lub thawv yuav tsum tau siv.

(4) Tsuas yog thawj kab thiab kab kawg ntawm cov hlua khi, uas yuav tsum tau txuas nrog cov thawv yeeb nkab sib txuas, lwm cov kab yuav tsum tau txuas nrog ib-rau-ib los ntawm lub luj tshib.

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