Tsev > Xov xwm > Ntsiab lus

Kev Ua Tau Zoo Ntawm PB Cov Yeeb Nkab.

Apr 28, 2018

PB raj yog ib hom dej tu cov khoom siv uas yog siv rau hauv tsev kho kom zoo nkauj, thiab nws muaj kev kawm zoo heev thiab muaj txiaj ntsim zoo.

1. Kev ua haujlwm tsis zoo rau kub thiab kub.

PB lub raj muaj cov kab mob kub thiab txias heev, nws kub npaum li 30 degrees ntawm 0 xoom mus rau 100 degrees, thaum tsis kub tsis yooj yim rau cov tawg, tom qab thawing, PB yeeb nkab yuav rov qab los zoo li qub.

2. Kev pab lub neej ntev.

PB raj yog hom qauv ntawm inert polymer, nws cov qauv khov kho ruaj khov heev, yog li ntawd, lub neej txoj kev siv tub raj ntev heev, feem ntau muaj peev xwm ncav cuag li 50 xyoos txog 100 xyoo los yog li ntawd.

3. Kev thermal zoo.

Muab piv rau cov hlau hlau, PB yeeb nkab me me kom zoo tshaj qhov qub, nws kuj thiab txoj kev coefficient ntawm pob zeb yog nyob ze rau, kev txuas, nrog rau txoj kev koom ua ke ntawm kub melt kev twb kev txuas, yog li ntawd, cov raj xa dej tom qab lub interface tsis yoojyim rau leakage tshwm sim.

4. Cov khoom sib tw

Lub PB raj yog lub teeb thiab yoog raws. Nws tsuas yog ib nrab ntawm qhov hnyav ntawm lub nkev nkev uas muaj teeb meem. Nws yog ib qho yooj yim heev uas ua haujlwm thaum ua haujlwm hauv tsev.

5. Phab ntsa zoo zoo.

Sab hauv phab ntsa ntawm PB raj yog qhov tob, yog li nws tsis yooj yim rau kev ntsuas. Piv nrog lub raj muaj xim, nws tuaj yeem nce dej ntws los ntawm 30%.

6. Kev xyuam xim zoo tuaj.

Petabytes muaj kev tiv thaiv zoo corrosion thiab muaj peev xwm tiv taus qhov erosion ntawm ultraviolet rays thiab ib txhia kab mob, yog li cov dej tshuav nyob hauv lub raj yuav nyob tsis hloov mus ntev.

7. Kev saib xyuas zoo

Lub raj mis PB yog faus hauv av lossis hauv sab phab ntsa, thiab nws tsis yooj yim rau kev sib tsoo nrog pob zeb. Yog li, nws yog qhov yooj yim dua los hloov lossis tswj nws tom qab.

8. Tsawg zog dua qub.

Thaum siv PB raj li lub yeeb nkab rau saum cua sov, cua sov zoo dua, thiab lub zog txuag nws li 30%.

Pb tube specification thiab siv.

Pb yeeb nkab tau siv ntau heev vim nws lub zog ntawm lub cev, lub neej ntev kev ua haujlwm. Kev ua haujlwm loj heev, nkag rau hauv cov yeeb nkab, thaum siv cov xuab zeb thiab av nkos yog plaub zaug ntawm cov raj hlau kev noj qab haus huv lub neej, tsis yog mob toxic, khoom ntawm non-toxic, tsis muaj chaw ua taus zes rau cov kab mob, raws li lub teb chaws tus txheej txheem kev noj qab haus huv, raws li cov cai ntawm kev siv, ntau tshaj 50 xyoo ntawm lub neej. Sab hauv phab ntsa yog du thiab qhov kev ua haujlwm tsis txaus yog me me. Qhov poob ntawm cov yeeb nkab taub hau yog ntau tshaj 20% me dua li cov hlau txuas.

Raws li qhov kev qhia ntawm pb raj, qhov loj yog faib ua rau series ntawm series: S3.2, S4, S5, s6, S8 thiab S10. Polybutylene (PB) raj xa dej raws li cov kev cai ntawm GB / T18991-2003, raws li cov kev siv rau kev xaiv ntawm lawv 1, 2, 4, 5, thiab plaub daim ntawv thov, saib cov lus 2, txhua sib nug txog ib daim ntawv thov cov cheeb tsam thiab kev ua hauj lwm lub neej ntawm 50 xyoo, nyob rau hauv daim ntawv thov tiag, kuj yuav tsum xav txog 0.4 MPa, 0.6 MPa, 0.8 MPa, 1.0 MPa siab ntawm txawv tsim. Lub ntsiab zoo ntawm cov yeeb nkab yog lub peev xwm thiab cov thickness ntawm cov yeeb nkab phab ntsa. Lub thickness ntawm plab tsim los ntawm txawv manufacturers txawv. Quav ntawm pb yeeb nkab, TD 60 ℃ siv 49 xyoo Tmax ℃ 80 siv rau 1 xyoo, ntau ntawm 60 degrees dej kub. Nyob rau hauv nruab nrab 20oC, qhov system siab 16bar, nruab nrab 70oC, qhov siab qhov siab 10bar thiab nruab nrab 95oC, qhov siab ntawm 6bar, txhua yam tau lees tias muaj kev ruaj ntseg thiab txhim khu kev lag luam rau 50 xyoo, kev nyab xeeb tshaj 1.5.


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