Ngaphandle kwe-3LPE Coating DIN 30670 Ngaphakathi kwe-FBE Coating

Incazelo emfushane:

Leli zinga licacisa izimfuneko ze-polyethylene extruded esekwe efekthri izendlalelo ezintathu kanye nenye noma enezingqimba eziningi ezine-polyethylene-based coatings ukuze kuvikelwe ukugqwala kwamapayipi ensimbi nokufakwayo.

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Incazelo Yomkhiqizo

I-Cangzhou Spiral Steel Pipes Group Co., Ltd inemigqa yokukhiqiza emi-4 ye-anticorrosion & thermal insulation ukuze yenze ukunamathela kwe-3LPE kanye ne-FBE enamathela.Ubukhulu obuphezulu bangaphandle bungaba ngu-2600mm.

Izembatho zilungele ukuvikelwa kwamapayipi ensimbi agqitshiwe noma acwilisiwe emazingeni okushisa okuklama kusuka -40 ℃ kuya +80 ℃.

Izinga lamanje licacisa izimfuneko zokumboza ezisetshenziswa kumapayipi ensimbi ashiselwe ngokuvunguza kanye nezinto ezisetshenziselwa ukwakhiwa kwamapayipi okudlulisa uketshezi noma amagesi.

Ukusebenzisa leli zinga kuqinisekisa ukuthi i-PE coating inikeza ukuvikelwa okwanele ngokumelene nemithwalo yemishini eshisayo neyamakhemikhali eyenzeka ngesikhathi sokusebenza, ukuthutha, ukugcinwa nokufakwa.

Izembatho ezinwetshiwe zihlanganisa izendlalelo ezintathu: i-epoxy resin primer, i-PE enamathelayo kanye nesendlalelo sangaphandle se-polyethylene ekhishwe.I-epoxy resin primer isetshenziswa njengempushana.I-adhesive ingasetshenziswa njenge-powder noma nge-extrusion.Ukuze kuhlanganiswe i-extruded umehluko wenziwa phakathi kwe-sleeve extrusion kanye ne-extrusion yeshidi.I-polyethylene ye-Sintered iyisistimu eyodwa noma enezingqimba eziningi.Impushana ye-polyethylene ihlanganiswe engxenyeni eshisiwe ngaphambili kuze kube yilapho kufinyelelwa khona ukujiya okufunayo.

I-Epoxy resin primer

I-epoxy resin primer kufanele isetshenziswe ngendlela yempushana.Ubuncane bengqimba obukhulu bungama-60μm.

I-PE enamathelayo

I-adhesive ye-PE ingasetshenziswa ngendlela ye-powder noma ikhishwe.Ubuncane bengqimba obukhulu bungu-140μm.izidingo zamandla e-peel ziyahlukahluka kuye ngokuthi i-adhesive isetshenziswe njenge-powder noma ikhishwe.

Ukufakwa kwe-polyethylene

I-polyethylene coating isetshenziswa ngokucwilisa noma ngomkhono noma nge-extrusion yeshidi.I-coating kufanele ipholile ngemva kokufaka isicelo ukuze kugwenywe ukuguquguquka okungafuneki ngesikhathi sokuthutha.Kuye ngosayizi wegama, kunamanani aphansi ahlukene ogqinsi olujwayelekile lokumboza.Esimeni sokukhuphuka kwemithwalo yemishini ukujiya kongqimba oluncane kufanele kukhuliswe ngo-0.7mm.ubuncane bogqinsi bongqimba bunikezwe kuthebula lesi-3 ngezansi.

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