Kana zvasvika pakuvaka mapaipi, kuve nechokwadi chekuti dzinogara kwenguva refu uye hadzina ngura kwakakosha zvikuru.Mapaipi esimbi yekabhoni eLSAW, inozivikanwawo seLongitudinal Submerged ArcMapaipi ekuwedera, isarudzo yakakurumbira nekuda kwesimba rayo guru uye kuvimbika. Kuti iwedzere kuramba kwayo ngura, mapaipi aya anogona kuputirwa ne polyethylene ine mativi matatu inodzivirira ngura inozivikanwa se3PE. Mublog rino, tichaongorora mabhenefiti ekushandisaMapaipi esimbi esimbi eLSAW ane 3PE akafukidzwauye kuti nei vari sarudzo yakanaka kwazvo kumaindasitiri akasiyana-siyana.
Kuputira kwe3PE kunodzivirira ngura mhinduro yakavimbika inodzivirira mapaipi esimbi yeLSAW kubva mukuora uye inowedzera hupenyu hwayo. Chimiro che3PE chine zvikamu zvitatu, kutanga ne epoxy powder layer inopa kunamira kwakanaka uye kubatana pamusoro pepombi. Izvi zvinoteverwa ne namira layer, iyo inowedzera kusimbisa kubatana pakati pe epoxy ne layer yekupedzisira - polyethylene anti-corrosion. Layer ye polyethylene inoshanda sechidziviriro, ichidzivirira mvura, makemikari, nezvimwe zvinhu zvinoparadza kuti zvisasvike pamusoro pepombi. Uyezve, inogona kutsungirira tembiricha inosvika 80°C, zvichiita kuti ive yakakodzera kushandiswa kwakasiyana-siyana.
Zvichienzaniswa ne 2PE coating, kuwedzerwa kwe epoxy powder layer mumapaipi esimbi esimbi eLSAW akafukidzwa ne 3PE kunowedzera kushanda kwese kwesimba rekudzivirira ngura. Iyi layer yekuwedzera inowedzera kugara kwenguva refu uye kuramba kupfeka, zvichiita kuti mapaipi agone kumira mamiriro ekunze akaomarara. Ruvara rwakajairika rweMapaipi e3PE akaputirwadema, uye vanotevedzera mitemo yepasi rose yakaita seDIN30670, CAN/CSA Z245.21, uye ISO21809. Mitemo iyi yakasimba inoita kuti mapaipi asvike pamhando yepamusoro uye mashandiro anodiwa, zvichiita kuti ave sarudzo yakavimbika kumaindasitiri akasiyana-siyana.
KuBotop Steel, tine hunyanzvi mukupa mapaipi esimbi emhando yepamusoro eLSAW ane 3PE anti-corrosion coating. Mapaipi edu anowanikwa muhukuru hwakasiyana, mamakisi, uye zvirevo kuti agutse zvinodiwa nevatengi vedu. Nekuzvipira kwedu pakuita zvakanaka uye kutarisisa zvinhu zvakasiyana-siyana, tinova nechokwadi chekuti mapaipi edu anosangana nezvinodiwa zvepamusoro-soro zveindasitiri. Pamusoro pezvo, mapaipi edu akafukidzwa neFBE anti-corrosion kubva mukati, zvichiwedzera kuramba kwavo ngura. Kuputira kwemukati kweFBE hakuna chepfu uye kunobatsira kudzivirira ngura ukuwo kuchivandudza mwero wekuyerera kwegasi nemvura mukati memvura.pombiIzvi zvinoita kuti mapaipi edu esimbi yeLSAW ine 3PE coated ave sarudzo yakavimbika kumaindasitiri akadai semafuta negesi, mvura, uye kuvaka.
Mukupedzisa,Mapaipi esimbi esimbi eLSAW ane 3PE akafukidzwaZvine mabhenefiti akawanda, anosanganisira ekudzivirira ngura, kugara kwenguva refu, uye kuramba kusakara. Kusanganiswa kwe epoxy powder layer, adhesive layer, uye polyethylene anti-corrosion layer kunoita kuti mapaipi agone kumira mumamiriro ezvinhu akaoma, zvichiita kuti akwanise kushandiswa zvakasiyana-siyana. KuBotop Steel, tinodada nekupamapaipi emhando yepamusorozvinosangana nezvinodiwa pasi rose uye zvinopfuura zvinotarisirwa nevatengi. Isa mari mumapaipi esimbi eLSAW ane 3PE coated kuti uwane mhinduro yemapaipi yakavimbika uye inogara kwenguva refu.
Nguva yekutumira: Mbudzi-27-2023