Chitoliro chachitsulo chomalizidwa chimatulutsidwa pambuyo pa kuzirala kwa madzi, koma pambuyo pa kutentha kwakukulu, kutentha kwa chitoliro cha chitsulo chozungulira kumakhala kokwera kwambiri pambuyo pa kuzirala kwa madzi, kotero mfundo zotsatirazi ziyenera kudziwidwa pambuyo pa chitoliro chozungulira chikuchotsedwa. chirimwe :

Choyamba: Popanga chitoliro chachitsulo chozungulira, ufa wa epoxy ndi zomatira ziyenera kukhala zazikulu 1% kuposa masiku onse, kuti mukwaniritse makulidwe enieni ofunikira.

Chachiwiri: Osawonetsa kutentha kwakukulu pambuyo poti chitoliro chachitsulo chozungulira chikuchotsedwa pamzere.Kuwonekera kungapangitse mosavuta kukulitsa kwa PE wosanjikiza ndipo motero khoma lakunja la chitoliro chachitsulo, chomwe sichidzakwaniritsa zotsutsana ndi kutu.

Chachitatu: Osavumbulutsidwa ndi mvula chitoliro chachitsulo chozungulira chikachotsedwa pamzere.Ndikosavuta kupangitsa madzi kuti alowe m'malo olumikizirana chitoliro pambuyo pa mvula.

Chachinayi: Chitoliro chachitsulo chozungulira chikachotsedwa pamzere, chiyenera kuikidwa pamalo athyathyathya, ndipo chiyenera kuikidwa pansi.Osapanikizana.Ngati mtundu wa extrusion wayikidwa osachepera maola 24, PE wosanjikiza uyenera kumangirizidwa kwathunthu ku khoma lakunja la chitoliro chachitsulo..

3PE anti-corrosion structure:

Kalasi wamba ≥ 0.70 wosanjikiza umodzi wa primer + wosanjikiza wamkati + wosanjikiza umodzi wa lamba wakunja

Kulimbitsa kalasi ≥ 1.40 wosanjikiza woyambira + wosanjikiza wamkati (kuphatikizana ndi 50 ~ 55% ya m'lifupi mwa tepi)

Chigawo chimodzi cha tepi yakunja (kuphatikizana ndi 50 ~ 55% ya m'lifupi mwa tepi)

Amagwiritsidwa ntchito makamaka potumiza mafuta ndi gasi;Kunja kwa mapaipi achitsulo okwiriridwa monga madzi ndi ngalande ndi kayendedwe ka gasi muzomangamanga zamatawuni ndi anti-corrosion, zomwe zimakhala ndi mawonekedwe omanga bwino komanso osaipitsa.Polyethylene PE anti-corrosion adhesive tepi yakhala ikugwiritsidwa ntchito kwambiri ngati zinthu zakunja zotsutsana ndi dzimbiri pamapaipi azitsulo zamafuta ndi gasi kuyambira 1960s.Zakhala zikugwiritsidwa ntchito kwa zaka zoposa 40.Chifukwa chakuchita bwino kwambiri kwa anti-corrosion komanso ntchito yabwino yomanga, yapanga kukhala anti-corrosion material for mapaipi.Dongosololi lili ndi malo ena ake.Ndipo popeza polyethylene ❖ kuyanika tepi kupanga mabizinesi mosalekeza bwino ndi kumapangitsanso polyethylene Pe zosiyanasiyana ndi khalidwe la odana ndi dzimbiri zomatira tepi, kuti polyethylene Pe ntchito anticorrosion zomatira tepi kukula.