nkhani

Ngakhale mavuvu a HDPE-wawiri-wall ndi PVC-wawiri-wall bellows amatchedwa mavuvu awiri-wall, koma kuwonjezera pa maonekedwe ofanana pang'ono, m'malo ambiri amakhala osiyana kwambiri, ngati simukukhulupirira, ingoyang'anani zing'onozing'ono kuti inu mulembe izi zosiyana izo.

I. UPVC yokhala ndi mikwingwirima iwiri

UPVC iwiri-wall bellows, yomwe imadziwikanso kuti PVC-U double-wall bellows, ndi chitoliro chapadera chokhala ndi khoma lamkati losalala, khoma lakunja lamalata ndi makoma amkati ndi akunja omwe amakonzedwa ndikupangidwa ndi polyvinyl chloride monga zopangira zazikulu.Chitolirocho chili ndi maonekedwe okongola, mawonekedwe apadera, mphamvu zazikulu, khoma lamkati losalala, kukana kumenyana kwazing'ono, kuyendayenda kwakukulu, maziko safuna kuchita maziko a konkire, kulemera kwake, kugwiritsira ntchito mosavuta ndi kukhazikitsa, kumanga mofulumira;Kulumikizana kwazitsulo za mphira, njira yodalirika, yosavuta kuonetsetsa kuti ntchito yomanga;Mawonekedwe osinthika.Kukana kwamphamvu kukhazikika kosagwirizana;Good kutayikira kukana, dzimbiri kukana zosiyanasiyana mankhwala media;Palibe sikelo mu chitoliro, kwenikweni siyenera kuthamangitsidwa, moyo woikidwa m'manda wazaka zopitilira 50.

Katundu wakuthupi

Kuyesa kwa chisindikizo sikumathyoka, palibe kutayikira komwe kumayesedwa TIR≤10% kuuma kwa mphete S1≥4KN/㎡, S2≥8KN/㎡ kusinthasintha kwa mphete sikumathyoka, makoma awiri samatuluka mayeso ovuni popanda kugawanika, kusweka, kuwira kwa Manning roughness. kokwanira n=0.010.

2, HDPE iwiri khoma malata chitoliro

Chitoliro cha malata cha HDPE, chomwe chimatchedwanso polyethylene double-wall corrugated pipe, ndi mtundu watsopano wa chitoliro chopepuka chopangidwa ndipolyethylene yapamwamba kwambiri.Iwo ali ndi makhalidwe a kulemera kuwala, kuthamanga kukana, kulimba bwino, kumanga mofulumira ndi moyo wautali, ndi zina zotero.Ndipo chifukwa kugwirizanako ndi kothandiza komanso kodalirika, kwagwiritsidwa ntchito kwambiri kunyumba ndi kunja.Chitoliro chambiri chosinthira konkriti ndi chitoliro chachitsulo choponyedwa.Makhalidwe amachitidwe:

HDPE pawiri khoma malata chitoliro ali kwambiri bata mankhwala, kukana ukalamba ndi chilengedwe akulimbana kukana.Mivuto yapawiri ya HDPE yopangidwa ndi zida zake ndi ya chitoliro chosinthika.Makhalidwe ake ndi awa:

Kukaniza mwamphamvu kupsinjika kwakunja: khoma lakunja ndi mawonekedwe ozungulira ozungulira, omwe amakulitsa kwambiri kuuma kwa mphete ya chitoliro, motero kumawonjezera kukana kwa chitoliro ku katundu wanthaka.Pantchitoyi, chitoliro chamalata cha HDPE chili ndi zabwino zoonekeratu poyerekeza ndi mapaipi ena.Mtengo wotsika wauinjiniya: pansi pa katundu wotere, chitoliro chamalata cha HDPE chimangofunika khoma locheperako kuti likwaniritse zofunikira.Chifukwa chake, poyerekeza ndi chubu cholimba cha khoma lazinthu zomwezo, chimatha kupulumutsa pafupifupi theka la zida zopangira, kotero mtengo wa chitoliro chamalata cha HDPE ndi chotsika.Ichi ndi chinthu china chodziwika bwino cha chitoliro.

Kumanga kwabwino: Chifukwa cha kulemera kwa chitoliro cha HDPE chokhala ndi mipanda iwiri, kugwiritsira ntchito ndi kugwirizana kuli kosavuta kwambiri, kotero kumangako kumathamanga ndipo kukonza kumakhala kosavuta.Pansi pa nthawi yomanga yolimba komanso zovuta zomanga, ubwino wake umakhala woonekera kwambiri.Good otsika kutentha kukana, kukana zimakhudza: kutentha embrittlement wa HDPE pawiri khoma mvuto ndi -70 ℃.General kutentha otsika (pamwamba -30 ℃) safuna kutenga njira zodzitetezera pamene kumanga, yozizira kumanga ndi yabwino, ndi HDPE pawiri khoma malata chitoliro ali ndi kukana zabwino zimakhudza.

Kukhazikika kwamankhwala abwino: Chifukwa molekyu ya HDPE ilibe polarity, imakhala ndi kukhazikika kwamphamvu kwamankhwala.Kupatulapo oxidants ochepa amphamvu, media media ambiri sangathe kuiwononga.Dothi, magetsi, asidi ndi zinthu zoyambira zomwe zimagwiritsidwa ntchito nthawi zambiri sizingawononge payipi, palibe mabakiteriya, palibe makulitsidwe, malo ake ozungulira sangachepe ndi kuchuluka kwa nthawi yothamanga.

Moyo wautali wautumiki:

Popanda kuwala kwa dzuwa, HDPE pawiri khoma mvuto angagwiritsidwe ntchito kwa zaka zoposa 50.Utali wina wa HDPE wapawiri-wall corrugated axial axial ukhoza kusinthasintha pang'ono, sukhudzidwa ndi mlingo wina wa kukhazikika pansi, ukhoza kuyikidwa mwachindunji mu poyambira pang'ono osati molunjika ndi zina zotero.Ubwino:

1, mawonekedwe apadera, mphamvu yayikulu, kukanikiza kwamphamvu, khoma ndi losalala, kukangana ndikutuluka kwakukulu;Kulumikizana kosavuta olowa chisindikizo, palibe kutayikira.

2, kulemera kopepuka, liwiro lomanga mwachangu, ndalama zotsika mtengo, zotsika mtengo.

3, polyethylene hydrocarbon polima mamolekyu mu kwambiri acidic ndi zamchere m'manda moyo kwa zaka zoposa 5, ndipo ndi wobiriwira, sanali poizoni, sanali dzimbiri, palibe makulitsidwe.

4, kulemera kopepuka, kumanga mwachangu, kuchepetsa ndalama.

5, moyo woikidwa m'manda wazaka zopitilira 50.

Ngakhale atakhala awiri amapasa, ngakhale afanana kwambiri m'njira iliyonse, makolo amazindikira, pankhani ya mivumbi iwiri yokhala ndi mipanda iwiri iyi yomwe si mapasa, ndi chizindikiritso chosavuta, ndipo ngati tikudziwa mokwanira za iwo. , tikhoza.