Ipayipi Le-Foam Eliqinile Le-Polyurethane – Ipayipi Elivimbela Ukuminyana, Elishisa Kancane Elivimbela Ukushiswa Komlilo Lokugcina Izinto Ezibandayo kanye Ne-Central Air Conditioning
1. Ukubuka Konke Komkhiqizo
Ipayipi le-polyurethane rigid foam (i-PU pipe insulation) liyi-polymer eklanywa ngendlela yefomula, ebunjwe ubuchwepheshe be-foam obuhlanganisiwe obuvalwe ngamaseli aphezulu. Linomoya ophansi kakhulu wokushisa, ukusebenza okugcwele kokuvikela amanzi kanye nokulwa nokujiya, ukumelana okuhle kakhulu nokushisa okuphansi kanye nokumelana nokuguga, ngama-B1/B2 flame retardant grades angenziwa ngokwezifiso. Linikeza ukuvikelwa okungcono kakhulu kokushisa kanye nokusebenza kahle kokulondolozwa okubandayo kunepayipi le-raber kanye ne-rock wool yendabuko, elisetshenziswa kabanzi kumaphrojekthi okupholisa umoya aphakathi nendawo, ukugcina izinto ezibandayo, ukuvikelwa kwamapayipi kagesi omshini wezimboni kanye namaphrojekthi okulondolozwa okubandayo.
2. Izici Zomkhiqizo Eziyinhloko
Ukushisa Okuphansi Kakhulu Nokonga Amandla Okuphezulu
Isakhiwo samaseli avaliwe sivala kahle izinga lokushisa futhi sivikele ukushisa, ngokushisa okungu-≤0.022 W/(m·K) ekushiseni kwegumbi. Ukusebenza kwaso kokuvikela kuphumelela kakhulu kumapayipi endabuko, kunciphisa ngempumelelo ukupholisa nokulahlekelwa ukushisa futhi kunikeze imiphumela emihle yokonga amandla yesikhathi eside yokuvikela amapayipi asezingeni eliphezulu kanye nezimo zokulondolozwa kwamafriji.
Izinga Eliphezulu Lamaseli Avaliwe, Angangeni Manzi, Avikela umswakama, Amelana neqhwa futhi Alwa nokufiphala
Ngesilinganiso samaseli avaliwe ≥95% kanye nokumuncwa kwamanzi ngobuningi ≤3%, umkhiqizo uphumelela kakhulu ekuvimbeleni ukungcola kwamanzi, ukumelana nomswakama kanye nokumelana nesithwathwa. Ngokuyisisekelo uvimbela ukuminyana kwamapayipi, ukuconsa kanye nokubola, umelana nemijikelezo yokuqandisa isikhathi eside endaweni ebandayo, futhi ugcina ukusebenza okuzinzile ngaphandle kokuqhekeka noma ukwehluleka ezindaweni ezinomswakama ophezulu kanye nezimo zokushisa eziphansi.
Isakhiwo Esizinzile Nokuzivumelanisa Nezimo Eziqinile Zokushisa
Njengoba inamandla okucindezela angu-≥150kPa (GB/T 8813), isakhiwo esiqinile sinomthamo wokukhulisa ukushisa ophansi kanye nokuncipha. Simelana nokushwabana nokugoba ngaphansi kwamazinga okushisa aphezulu naphansi ashintshanayo, simboza eduze amapayipi ngaphandle kokugoba noma ukuhlukanisa ukuze kusebenze kahle isikhathi eside.
Ukuguga Nokumelana Nesimo Sezulu Nokuphila Isikhathi Eside Kwenkonzo
Izakhiwo eziqinile zomzimba nezamakhemikhali zinika ipayipi ukumelana ne-UV, ukumelana ne-oxidation kanye nokumelana nokugqwala okuthambile kwesisekelo se-asidi. Igcina ukusebenza kwayo okungaphezu kuka-90% ngemva kokuhlolwa kokuguga kwe-QUV, imelana nokuqhekeka nokuqhekeka ezindaweni zangaphandle nezinomswakama futhi isebenza isikhathi eside kakhulu kunamapayipi okushisa avamile.
Ukusika Okuguquguqukayo Nokuzivumelanisa Nezici Ezinomumo Okhethekile
Ilula futhi kulula ukuyicubungula, ingasikwa futhi ifakwe imigoqo ngokukhululekile ukuze ilingane namapayipi aqondile, izindololwane, ama-tee nezinye izinto ezifakwe ngendlela ekhethekile. Iboshwe futhi ivalwe nge-PU adhesive adhesive ukuze ifakwe kahle ngaphandle kwama-engeli afile, yenza kube lula ukwakhiwa okuphumelelayo kwezimo ezahlukahlukene zepayipi eziyinkimbinkimbi.
Ipayipi le-B1 eligcina ilangabi elinobungani nemvelo futhi elenziwa ngezifiso
Yenziwe ngezinto zokusetshenziswa ezingena-fluorine futhi ezinobungani nemvelo obuphansi be-VOC ezingenalo uthuli noma ukungcola, ihambisana nezindinganiso zokwakha eziluhlaza. Izinga elijwayelekile liyi-B2 flame retardant, futhi izinga le-B1 flame retardant elenziwa ngokwezifiso lidlula izivivinyo ze-GB 8624 ngentuthu ephansi kanye nobuthi obuphansi, okuqinisekisa ukuphepha okuphezulu kwezicelo zobunjiniyela.
3. Imininingwane Yobuchwepheshe
Ububanzi bepayipi obusebenzayo: DN15～DN600 (cishe usayizi we-intshi ongu-1/2″-24″, ofanele amapayipi ensimbi, amapayipi e-PPR, amapayipi ethusi, njll.)
Ubukhulu Bodonga Obujwayelekile: 20mm, 30mm, 40mm, 50mm (ukujiya okungejwayelekile okwenziwe ngokwezifiso kuyatholakala)
Ubude Obujwayelekile: 2000mm ngesiqephu ngasinye (ukusika ngokwezifiso kuyatholakala)
Ubuningi: 35~60kg/m³
Ukuqhuba Okushisayo: ≤0.022 W/(m·K) @ 25℃
Izinga lamaseli avaliwe: ≥95%
Amandla Okucindezela: ≥150kPa (GB/T 8813)
Ukumuncwa Kwamanzi Omthamo: ≤3%
Ibanga Elivimbela Umlilo: Ibanga elijwayelekile le-B2, ibanga le-B1 elenziwa ngezifiso (GB 8624)
Izinga Lokushisa Lokusebenza: -50℃～+120℃
4. Umhlahlandlela Wokukhetha Izinto Nokuqhathanisa Abancintisanayo
Njengoba inokulondolozwa okuphansi kakhulu kokubanda, ukusebenza okugcwele kokungenamanzi kanye nezinzuzo ezingenalo uthuli, lo mkhiqizo ulungele izimo ezisezingeni eliphezulu njengezindawo zokugcina ezibandayo ezinamapayipi okushisa aphansi, izinhlelo zomoya opholile eziphakathi kanye nezindawo ezingaphansi ezinomswakama ophezulu. Uma kuqhathaniswa namapayipi erabha, inikeza ukufudumala okungcono, ukuvimbela amanzi kanye nokuqina kokushisa okuphansi; uma kuqhathaniswa namapayipi oboya bedwala, kwenza ukwakhiwa kuhlanzeke futhi kugwema ukwehluleka komswakama. Isebenza kumapayipi omusi okushisa okuphezulu -50℃～+120℃, ayifaneleki kumapayipi omusi okushisa okuphezulu.
5. Izimo Eziyinhloko Zokusebenza
Ipayipi Lokufaka Umoya Opholile Eliphakathi | Ukufakwa Komoya Opholile Kwepayipi Le-HVAC
Yakhelwe ngokukhethekile ukupholisa umoya opholile, ukufudumeza kanye namapayipi okupholisa. Inciphisa ukulahleka kokubanda nokushisa, iqeda ukuminyana kwamapayipi nokuconsa, izinzisa ukusebenza kwemishini futhi inciphise ukusetshenziswa kwamandla kumaphrojekthi e-HVAC ebhizinisi kanye nawezomphakathi.
Ipayipi Lokufaka Ukushisa Elibandayo | Ukufakwa Ukushisa Kwepayipi Lokufaka Ukushisa Eliphansi
Ifanelekela amapayipi anokushisa okuphansi ezindaweni zokugcina izinto ezibandayo kanye nezindawo zokusebenzela eziqandisa ngokushesha.Iphaneli Yesandwich Ye-Polyurethane Yensimbi Yombala ukwakha uhlelo oluphelele lokuvikela ukungcola endaweni ebandayo. Luhlala luqinile futhi lungamunci ku--50℃, lumelana nomonakalo wokuqandisa nokuncibilika futhi lugcina ukulondolozwa okuqinile kokushisa, luhlangabezana nezidingo zokuvikela ukungcola ezisezingeni eliphezulu zamaphrojekthi ochungechunge lokudla kanye nelemithi.
Amapayipi Enqubo Yamakhemikhali Ezimboni
Isebenza kumapayipi enqubo yokushisa okuphansi, amapayipi asekela i-LNG kanye namapayipi okujikeleza kwemishini embonini yamakhemikhali kanye namandla amasha. Iqinisa izinga lokushisa eliphakathi, imelana nokugqwala kwe-asidi emnene kanye ne-alkali, futhi ihlinzeka ngomswakama kanye nokumelana nokuguga kokuvikela izinga lokushisa elihlala njalo kwezimboni.
Ukufakwa Kwepayipi Lomshini Nokupompa Amapayipi
Ifanelekela amapayipi amanzi abandayo nashisayo afihliwe ezindlini ezingaphansi komhlaba, emakhishini nasezindlini zangasese. Ifinyelela imiphumela yokulwa nokubanda, ukumelana nomswakama, ukuvimbela ukuminyana kanye nokunciphisa umsindo, ivimbela ukuqhekeka nokuconsa kwamapayipi ukuze kuthuthukiswe ikhwalithi yobunjiniyela bemishini kanye nogesi iyonke.
Amapayipi Obunjiniyela Obuhlanzekile Nobukhethekile
Yamukela ifomula engenalo uthuli futhi enobungani nemvelo, efanelekile kumaphrojekthi ahlanzekile njengezindawo zokusebenzela zemithi, amafektri okudla kanye namalebhu okushisa okungaguquki. Azikho izinto eziyingozi ezishintshashintshayo, zihlangabezana ngokugcwele nezindinganiso zokuvikelwa kwemvelo kanye nokwamukelwa kwezindawo ezihlanzekile zezinga eliphezulu.
6. Iziqondiso Zokufaka
Ukwakhiwa Kwezibopho: Faka inhlaka ekhethekile ngokulinganayo, yomise kahle bese ucindezela ngokuqinile ukuze uvale kahle.
Ukwakhiwa Kokulinganisa Okunesimo Esikhethekile: Sika kahle izindololwane nama-tee, gcwalisa izikhala nge-foam sealant ukuze ususe ama-engeli aqinile okuvikela.
Izidingo Zokusika: Sika ngesaha elinozinyo oluncane noma i-electric hot wire cutter ukuqinisekisa ukusika okuyisicaba nokuvaliwe nokuvikela isakhiwo samaseli avaliwe.
Imininingwane Yokuphepha: Akukho mlilo ovulekile ezindaweni zokwakha; beka isikhala esijwayelekile somlilo samapayipi ebanga le-B2 ngesikhathi sokufakwa.
7. Ulwazi Lokupakisha Nokuthenga
Ukupakisha: Ifilimu ye-PE engangeni uthuli + ukupakishwa kwesikhwama esilukiwe; ukuqinisa ibhokisi kuyatholakala kuma-oda okuthumela kwamanye amazwe, kufanelekile ukuthuthwa komhlaba nolwandle okude.
Isitoko Nokwenza Ngokwezifiso: Ukunikezwa ngqo kwasefektri, imininingwane ejwayelekile esitokweni yokuthengwa ngobuningi kanye nokulethwa kwenqwaba exubile; izinga elenziwe ngokwezifiso le-B1 elivimbela ilangabi, ububanzi bepayipi obungejwayelekile kanye nobukhulu bodonga obusekelwe.
Isikhathi sokuthumela: Izinsuku ezi-3-5 zama-oda akhona esitokweni; Izinsuku eziyi-15-20 zama-oda enziwe ngokwezifiso, angalungiseka ngokuya ngevolumu yephrojekthi.
Izinsizakalo Zokusekela: Nikeza ukuhlolwa okuphelele kwefektri kanye nemibhalo yesitifiketi esivimbela ilangabi, kanye nesiqondiso sobuchwepheshe sokwakha samahhala sobungcweti.
Iwaranti: Ngaphansi kwezimo zokusebenza ezijwayelekile kanye nokwakhiwa okujwayelekile, yonke imisebenzi yomkhiqizo ihlala izinzile isikhathi eside, okunciphisa ngempumelelo izindleko zokusebenza nokugcinwa kamuva.
8. Imibuzo Evame Ukubuzwa
Q1: Ungakhetha kanjani phakathi kwepayipi lokufaka i-PU kanye nepayipi lokufaka irabha?
A1:Khetha amapayipi e-PU okugcina amanzi ebanda kanye nezimo zokumelana nomswakama ophezulu; khetha amapayipi enjoloba okuvikela ukushisa okungabizi kakhulu kumapayipi avamile omile.
Umbuzo 2: Ingabe amapayipi okuvikela e-PU angasetshenziswa ngaphandle noma agqitshwe ngaphansi komhlaba?
A2:Amapayipi angenalutho awanconywa ukuthi abekwe ngqo ngaphandle noma angcwatshwe. Ukusetshenziswa ngaphandle kudinga ungqimba lokuvikela i-aluminium, kanti ukusetshenziswa okungcwatshwe kudinga ukuvikelwa kwejakethi ye-PE.
Umbuzo 3: Ingabe izinga le-B1 elivimbela ilangabi liyatholakala?
A3:Yebo. Okujwayelekile kuyibanga le-B2, izinga le-B1 elijwayelekile likazwelonke elenziwe ngokwezifiso liyatholakala ukuhlangabezana nezidingo ezahlukahlukene zokwamukelwa komlilo.
Umbuzo 4: Ingabe ingasetshenziswa kumapayipi omusi ashisa kakhulu ngaphezu kuka-120℃?
A4:Cha. Izinga lokushisa elifanele lingu -50℃～+120℃. Amapayipi oboya bedwala ayanconywa kumapayipi omusi ashisa kakhulu.
Q5: Ingabe ububanzi bepayipi obungejwayelekile kanye nobukhulu obukhethekile bungenziwa ngendlela oyifisayo?
A5:Ukwenziwa ngokwezifiso okugcwele okungejwayelekile kuyasekelwa. Ukusikwa endaweni nakho kuyatholakala ukuze kuvumelane namapayipi ahlukahlukene anomumo okhethekile.
9. Isifinyezo Somkhiqizo
Ipayipi le-PU polyurethane eliqinile le-foam linezici eziyinhloko zokuqhuba ukushisa okuphansi kakhulu, ukuvikela ukujiya kwamanzi okugcwele kanye nokuvikelwa kwemvelo okungenalo uthuli, nokusebenza okonga amandla okuphezulu kunamapayipi okuvikela avamile. Ngokumelana nokuqhwa, ukubambezeleka komlilo kanye nokufakwa okulula, lizivumelanisa nendawo yokugcina ebanda, umoya opholile ophakathi, izimo ze-electromechanical zezimboni nezinye izimo, lisebenza njengezinto ze-polymer ezikhethwayo zamaphrojekthi okuvikela okonga amandla epayipi.
