Peb feem ntau hais tias cov yeeb nkab kub-nthuav dav yog hais txog cov yeeb nkab hlau uas muaj qhov ceev tsawg tab sis muaj zog shrinkage, Tuam Tshoj National Standards Association tau teev tseg tias cov yeeb nkab kub-nthuav dav yuav tsum yog cov yeeb nkab hlau loj dua uas nthuav dav thiab deformed tom qab tag nrho cov cua sov ntawm cov yeeb nkab hlau dawb paug.. Thermal expansion technology yog los nthuav dav lub cheeb ntawm cov yeeb nkab los ntawm radial deformation, uas yog, tsis yog-tus qauv, cov qauv tshwj xeeb ntawm cov yeeb nkab seamless tuaj yeem tsim los ntawm kev siv cov yeeb nkab txheem, thiab tus nqi qis thiab kev ua haujlwm ntau lawm siab. Nws yog ib txoj kev ua tiav rau cov yeeb nkab seamless. Vim yog kev txhim kho siab ntawm cov chaw tsim hluav taws xob boilers thiab kev txhim kho loj ntawm cov chaw tsim tshuaj petrochemical, qhov kev thov rau cov yeeb nkab loj-dav seamless kuj nce ntxiv, thiab nws nyuaj rau cov chaw dov yeeb nkab los tsim cov yeeb nkab seamless uas muaj qhov loj dua 508 hli, piv ntawm sab nraud txoj kab uas hla rau phab ntsa thickness (D / S)> 25, thermal expansion technology, tshwj xeeb tshaj yog cov cuab yeej siv thermal expansion technology tau maj mam tsim kho li no.
Lub tshuab nthuav cov yeeb nkab ob kauj ruam uas siv rau cov yeeb nkab kub uas nthuav dav ua ke cov thev naus laus zis nthuav dav ntawm lub khob hliav qab, cov thev naus laus zis cua sov digital intermediate frequency, thiab cov thev naus laus zis hydraulic hauv ib lub tshuab. Nrog nws cov txheej txheem tsim nyog, kev siv hluav taws xob tsawg dua, kev nqis peev hauv kev tsim kho tsawg dua, thiab cov khoom zoo, ntau yam khoom siv raw thiab cov lus qhia ntawm cov khoom, kev ywj pheej thiab kev hloov pauv tsawg ntawm cov khoom siv tau hloov cov thev naus laus zis nthuav dav ntawm cov yeeb nkab hlau.
Nws yuav tsum tau sau tseg tias cov khoom siv kho tshuab ntawm cov kav hlau kub-nthuav dav feem ntau yog qhov phem dua li cov kav hlau kub-kuav.
Cov txheej txheem dav dav ntawm kev nthuav dav thermal ntawm cov yeeb nkab yog los kho cov yeeb nkab rau ntawm cov ntsia hlau txhuas, muab lub cone-puab anvil sab saum toj nrog lub cheeb tsam loj dua lub cheeb tsam ntawm cov yeeb nkab rau hauv lwm qhov kawg ntawm cov yeeb nkab, thiab txuas thiab kho lwm lub ntsia hlau rau hauv cov yeeb nkab. Kev sib txuas ntawm cov yeeb nkab thiab lub anvil sab saum toj yog nyob rau hauv qab lub nruab nrab zaus cua sov kauj, txhawm rau tiv thaiv qhov cua sov sai dhau thiab tawg, koj yuav tsum dhau dej hauv lub raj ua ntej, pib lub kauj cua sov, thiab tom qab mus txog qhov kub teev tseg, lub ntsia hlau uas txuas lub raj thawb lub raj, kom lub raj txav mus rau sab saum toj anvil thiab nthuav dav. Lub anvil sab saum toj taper ua rau lub yeeb nkab txoj kab uas hla. Tom qab tag nrho cov yeeb nkab dhau mus, cov yeeb nkab yuav tsis ncaj vim yog cov txheej txheem nthuav dav thermal, yog li nws yuav tsum ncaj nws.
Qhov saum toj no yog cov ntsiab lus tseem ceeb ntawm kev siv tshuab thermal expansion.
Cov hauv qab no yog cov mis tseem ceeb ntawm cov yeeb nkab thermal expanded
Qhov hnyav nthuav dav:
cov hlau carbon: (txoj kab uas hla-tuab)× tuab× 0.02466 = hnyavt ntawm ib 'meter' (kg)
hlau: (txoj kab uas hla-tuab)× tuab× 0.02483 = qhov hnyavib 'meter' (kg)
tus naj npawb ntawm cov meters tom qab kub nthuav dav：
thawj lub raj txoj kab uas hla÷ txoj kab uas hla kub nthuav dav× 1.04× ntev *
cov raj ntsuas thawj：
ntev dua× (txoj kab uas hla÷ lub raj mis thawj÷ 1.04)
ceev:
100000÷ (thawj txoj kab uas hla-tuab× tuab)
tuab:
qhov tuab uas nthuav dav (1 zaug)) = qhov tuab ntawm lub raj qub× 0.92
Qhov tuab uas nthuav dav (2 zaug) = Qhov tuab ntawm lub raj qub * 0.84
Txoj kab uas hla:
Txoj kab uas hla uas nthuav dav = qhov loj ntawm pwm + qhov tuab uas nthuav dav× 2
Qhov loj ntawm pwm: txoj kab uas hla nthuav dav—2 * nthuav cov phab ntsa tuab
Kev kam rau siab ntawm txoj kab uas hla：
Txoj kab uas hla＜426mm, kam rau siab±2.5
Txoj kab uas hla 426-630 hli, kam rau siab±3
Txoj kab uas hla>630mm, kam rau siab±5
Ellipticity:
Txoj kab uas hla＜426mm, kam rau siab±2
Txoj kab uas hla>426mm, kam rau siab±3
Qhov tuab:
tuab≤20 hli, kam rau siab﹢2 ,—1.5
tuab≤40 hli，﹢3 ,—2
Pipe rau kev ua cov yeeb nkab
﹢5 ,—0
Sab hauv thiab sab nraud ntawm khawb:
Qhov tob khawb: 0.2 hli, ntev: 2cm, nws hu ua khawb. Tsis pub
Kev Ncaj Ncees: ≤6meter, khoov yog 5 hli，≤12meter, khoov yog 8 hli
Piv txwv li:
Lub raj mis thawj 610 * 19 kub nthuav dav 660 * 16
Cov yeeb nkab qub ntev: 12.84meter
Qhov tuab nthuav dav: 19 * 0.92 = 17.48 (1 zaug)
19 * 0.84 = 15.96（2 zaug)
Ntev ntawm cov yeeb nkab: 610 ÷ 660 * 1.04 * 12.84 = 12.341962
Txoj kab uas hla nthuav dav: 625 + 17.48 * 2 + 1 = 660.96 (1 zaug)
625 + 15.96 * 2 + 1 = 657.92 (2 zaug)
Loj ntawm Module: 660-2 * 16 = 628
