Mapaipi epurasitiki akasimbisirwa negirazi: Pombi Itsva ine simba repamusoro uye mashandisirwo akasiyana-siyana
Mapaipi epurasitiki akasimbiswa negirazi(FRP pombi) mapaipi akagadzirwa negirazi fiber reinforcement uye resin se matrix, zvichipa hunhu hwakareruka uye hwakasimba. Anodzivirira ngura uye ari nyore kuisa, ave imwe nzira inoshanda pane mapaipi esimbi echinyakare mumapurojekiti ekuvaka uye masisitimu ekutumira simba. Pazasi pane pfupiso inosanganisira hunhu hwezvinhu, zviyero zvekugadzira, uye data remusika.
Tsanangudzo uye Kuumbwa Kwezvinhu
Sisitimu huru yezvinhu zvemapombi eFRP inotevedzera mitemo yenyika yakaoma:
Rutivi rwekusimbisa runoshandisa fiber yegirazi isina alkali kana yepakati isina alkali (GB/T 18369-2008), uko huwandu hwefiber hunokanganisa zvakananga kuomarara kweringi;
Matrix yeresin ine unsaturated polyester resin (GB/T 8237) kana epoxy resin (GB/T 13657). Resin yemhando yepamusoro (GB 13115) inosungirwa kushandiswa pamapombi emvura anonwiwa;
Rutivi rwakazara nejecha rune jecha re quartz (SiO₂ purity >95%) kana calcium carbonate (CaCO₃ purity >98%), uye hunyoro hwakadzikama huri pasi pe0.2% kuti huve nechokwadi chekuti kunamatira kwakasimba pakati pezvikamu.
Kugadzira Tekinoroji
Maitiro makuru anosanganisira kutenderedza kwehurefu hwakatarwa, kukanda kwepakati, uye kutenderedza kunoramba kuripo. Maitiro ekutenderedza anobvumira kugadzirisa chiyero chesimba pakati penzira dze axial ne circumferential nekugadzira ma fiber angles. Ukobvu hwe layer yakazadzwa nejecha hunokanganisa zvakananga chiyero chekuoma kwepombi.
Mhinduro dzeKubatanidza
Isa zvisimbiso zveO-ring zvemhando yesocket (zvinokwanisa kutakura ±10mm thermal deformation). Pakushandisa makemikari, zvinokurudzirwa kubatanidza flange (PN10/PN16 pressure ratings). Kuisa kunofanirwa kutevedzera zvinodiwa pakushanda kwe dual-hoist point.
Maitiro Akajairika Ekushandisa
Kudhonza Mvura muChivako: Mapaipi ane dhayamita hombe (DN800+) anogona kutsiva mapaipi ekongiri. Nekuoma kwemukati kwe0.0084 chete, simba rekuyerera kwemvura rinodarika mapaipi eHDPE ne30%.
Mapaipi emagetsi: Kuisa maburi zvakananga nekuomarara kweringi ≥8 kN/m² kunobvisa kudiwa kwekongiri yekuvhara.
Kutakura Makemikoro: Kudzivirira acid nealkali kunosangana nezvinodiwa zveASTM D543, uye hupenyu hwekugadzira hunopfuura makore makumi mashanu.
Kudiridza Kwekurima: Kurema kwechikamu chimwe muzvina chemari yemapaipi esimbi, yekufambisa uye yekuisa kunogona kuderedzwa neanopfuura 40%.
Mamiriro eIndasitiri uye Kuongorora Mafambiro
Saizi yeMusika
Pasi rosePombi yeFRPmusika unotarisirwa kusvika RMB 38.7 bhiriyoni (inenge USD 5 bhiriyoni) panosvika 2025, uchikura kusvika RMB 58 bhiriyoni panosvika 2032 (CAGR: 5.97%). Mukati mezvikamu, mapaipi epoxy resin mukushandiswa kweinjiniya yegungwa anoratidza kukura kwe7.2%.
Nguva yekutumira: Gunyana-26-2025
