Ipayipi elingaphakathi liwuhlelo lwamapayipi olunokufakwa kwe-thermal. Umsebenzi wayo oyinhloko ukunciphisa ukulahlekelwa ukushisa ngesikhathi sokuthutha imidiya (njengamanzi ashisayo, isitimu, namafutha ashisayo) ngaphakathi kwepayipi ngenkathi ivikela ipayipi emathonyeni emvelo. Isetshenziswa kabanzi ekwakheni ukushisisa, ukushisisa isifunda, amakhemikhali kaphethiloli, ubunjiniyela bakamasipala, neminye imikhakha.
1. Isakhiwo Esiwumgogodla
Ipayipi elivalekile liyisakhiwo esiyinhlanganisela yezendlalelo eziningi esihlanganisa izingxenye ezintathu eziyinhloko:
• Ipayipi Lensimbi Esebenzayo: Isendlalelo esiwumgogodla wangaphakathi, esibhekele ukuthutha abezindaba. Izinto ezisetshenziswayo ngokuvamile zihlanganisa insimbi engenamthungo, insimbi eyakhiwe ngothayela, noma amapayipi epulasitiki, futhi kufanele imelane nokucindezela futhi imelane nokugqwala.
• I-Insulation Layer: Isendlalelo esibalulekile esiphakathi nendawo, esibhekele ukufakwa kwe-thermal. Izinto ezivamile zihlanganisa i-polyurethane foam, uboya bedwala, uboya bengilazi, ne-polyethylene. Igwebu le-polyurethane njengamanje liyindlela ethandwa kakhulu ngenxa ye-conductivity yayo ephansi ye-thermal kanye nokusebenza okuhle kakhulu kokufakwa.
• Umgodla Wangaphandle: Isendlalelo esingaphandle esiyisivikelo sivikela umswakama, ukuguga, kanye nokulimala komshini. Izinto ezisetshenziswayo ngokuvamile zihlanganisa i-polyethylene (HDPE), i-fiberglass, noma i-anti-corrosion coating.
II. Izinhlobo Eziyinhloko Nezici
Ngokusekelwe ezintweni zokufakelwa kanye nesimo sohlelo, izinhlobo ezivamile nezici zimi kanje:
• I-Polyurethane Insulated Pipe: I-Thermal conductivity ≤ 0.024 W/(m·K), ukusebenza kahle kwe-insulation ephezulu, ukumelana nokushisa okuphansi, nokumelana nokuguga. Ifanele amanzi ashisayo namapayipi esitimu anamazinga okushisa aphakathi kuka -50°C no-120°C, iyinketho ekhethwayo yokushisisa okuphakathi nendawo kanye nezinhlelo zokushisisa phansi.
• I-Rockwool Insulated Pipe: Ukumelana nezinga lokushisa eliphezulu (kufika ku-600 ° C) kanye nesilinganiso somlilo esiphezulu (I-Class A engashi), kodwa ngokumuncwa kwamanzi amaningi, kudinga ukuvikeleka komswakama. Isetshenziselwa ikakhulukazi amapayipi okushisa aphezulu ezimbonini (njengamapayipi esitimu esibhayela).
• Ipayipi Elihlanganisiwe Loboya Bengilazi: Ikhaphukhaphu, elinokuvalwa okuhle kakhulu komsindo, kanye nebanga lokushisa elifinyelela ku -120°C kuya ku-400°C, lifanele amapayipi angamazinga okushisa aphansi (njengamapayipi efriji epholile) kanye nokufakwa kwamapayipi ezakhiweni zomphakathi.
III. Izinzuzo Eziyinhloko
1. Ukonga Amandla Nokuncishiswa Kokusetshenziswa: Yehlisa ukulahlekelwa ukushisa phakathi nendawo, yehlisa ukusetshenziswa kwamandla ekushisiseni, ekukhiqizweni kwezimboni, nakwezinye izimo. Ukusetshenziswa isikhathi eside kunganciphisa kakhulu izindleko zokusebenza.
2. Ukuvikelwa Kwepayipi: Umgodla wangaphandle uvikela emanzini, ukugqwala kwenhlabathi, kanye nomthelela womshini, unweba impilo yesevisi yepayipi futhi unciphise imvamisa yokulungisa.
3. Ukusebenza Kwepayipi Elizinzile: Igcina izinga lokushisa eliphakathi nendawo elizinzile ukuze kuvinjwe ukuguquguquka kwezinga lokushisa ukuthi kuthinte ukusebenza (isb, ukugcina izinga lokushisa elingaphakathi endlini yokufudumeza amapayipi kanye nokuqinisekisa ukuzinza kwenqubo yamapayipi ezimboni).
4. Ukufakwa Kalula: Amanye amapayipi afakwe i-insulated akhiwe ngaphambili, adinga ukuxhunywa nokufakwa endaweni kuphela, afinyeze isikhathi sokwakha futhi anciphise ubunkimbinkimbi.
IV. Izicelo Ezisebenzayo
• Umasipala: Amanethiwekhi okushisisa asendaweni eyodwa emadolobheni namapayipi amanzi kampompi (ukuvikela ukubanda ebusika).
• Ukwakhiwa: Amapayipi okushisa aphansi ezakhiweni zokuhlala nezokuhwebelana, namapayipi aphakathi nendawo yokufudumeza nokupholisa omoya ophakathi nendawo.
• Imboni: Amapayipi kawoyela ashisayo ezimbonini ze-petroleum namakhemikhali, amapayipi esitimu ezikhungweni zikagesi, namapayipi aphakathi nendawo e-cryogenic ku-cold chain logistics.
Isikhathi sokuthumela: Aug-26-2025