I-Spunlace nonwoven yefiber yangaphambili
Imarike yecandelo:
Iimpawu zeFayibha ye-Pre-Oxygenated:
· Ukubuyiswa komlilo okugqibelele: Umlinganiselo wesalathiso se-oksijini (LOI) udla ngokuba ngu> 40 (umyinge weoksijini esemoyeni umalunga nama-21%), uyodlula kakhulu lowo wemicu yesiqhelo egatya amadangatye (efana ne-polyester edityanisiweyo ene-LOI emalunga nama-28-32). Ayinyibiliki okanye ithontsize xa ibekwe emlilweni, izicima ngokwayo emva kokususa umthombo womlilo, kwaye ikhuphe umsi omncinci kwaye akukho zigesi eziyityhefu ngexesha lokutsha.
· Uzinzo oluphezulu lobushushu: Ubushushu bokusetyenziswa kwexesha elide bunokufikelela kwi-200-250 ℃, kwaye ixesha elifutshane linokumelana nobushushu obuphezulu be-300-400℃ (ngokukodwa ngokuxhomekeke kwizinto eziluhlaza kunye ne-pre-oxidation degree). Isagcina ingqibelelo yesakhiwo kunye neepropati zomatshini kwiindawo eziphakamileyo zokushisa.
· Ukumelana neMichiza: Inokumelana okuthile ne-asidi, i-alkali, kunye nezinyibilikisi ze-organic, kwaye ayikhukuliswa lula zizinto zekhemikhali, ezilungele ukusetyenziswa kwindawo enzima.
· IiPropati ezithile zoomatshini: Inamandla athile okuqina kunye nokuqina, kwaye inokwenziwa ibe yimathiriyeli enesakhiwo esizinzileyo ngobuchule bokulungisa ilaphu elingalukwanga (njengokuhlatywa inaliti, ukuphotha).
II. ITekhnoloji yokuLungiselela i-Pre-Oxygenated Nonwoven Fabrics
Ifiber esele ifakwe ioksijini yangaphambili ifuna ukusetyenzwa ibe yimathiriyeli eqhubekayo efana neshiti ngobuchule bokwenza ilaphu elingalukwanga. Iinkqubo eziqhelekileyo ziquka:
· Indlela yokuhlatywa kwenaliti: Ngokugqobhoza ngokuphindaphindiweyo i-fiber mesh kunye neenaliti zomshini we-needle-punch, i-fibers iyadibana kwaye iqinisa enye kwenye, yenze ilaphu elingaphothiweyo elinobunzima obuthile kunye namandla. Le nkqubo ifanelekile ukuvelisa i-high-high-density, i-high-density pre-oxygenated fiberless fabrics, enokuthi isetyenziswe kwiimeko ezifuna inkxaso yesakhiwo (njengeepaneli zomlilo, izinto zokucoca ukushisa okuphezulu).
· Indlela eSpunlaced: Ukusebenzisa iijethi zamanzi ezinoxinzelelo oluphezulu ukuchaphazela umnatha wefiber, iintsinga ziyathungelana kwaye zibophene kunye. I-spunlaced pre-oxygenated fabric inemvakalelo ethambileyo kunye nokuphefumula okungcono, kwaye ifanelekile ukusetyenziswa kwinqanaba elingaphakathi lempahla ekhuselayo, i-flexible padding fireproof, njl.
· I-Thermal Bonding / Chemical Bonding: Ngokusebenzisa i-low-melting-point fibers (efana ne-polyester e-retardant-flame-retardant) okanye i-adhesives ukuncedisa ekomelezeni, ukuqina kwelaphu elicocekileyo le-pre-oxygenated fiberless lingancitshiswa, kunye nokusebenza kokulungiswa kunokuphuculwa (kodwa qaphela ukuba ukuxhathisa ubushushu be-adhesive ifuna ukuhambelana nendawo yokusetyenziswa kwe-oxygen yangaphambili).
Kwimveliso yangempela, iifayili ze-oxidized pre-oxidized zivame ukuxutywa kunye nezinye iifayili (ezifana ne-aramid, i-viscose ye-flame-retardant, i-fiber yeglasi) ukulinganisa iindleko, ukuvakalelwa kunye nokusebenza (umzekelo, i-pre-oxidized pre-oxidized non-woven fabrics inzima, kodwa ukongeza i-10-30% ye-viscose e-flame-retardant inokuphucula ukuthamba kwayo).
III. Iimeko ezithile zokusetyenziswa kwelaphu lefiber e-oxidized yangaphambili
Ngenxa yokumelana nedangatye kunye nobushushu obuphezulu, ilaphu le-fiber e-oxidized pre-oxidized non-loven idlala indima ebalulekileyo kwiinkalo ezininzi:
1. Ukucima umlilo kunye nokukhuselwa komntu
· Umgca wangaphakathi we-Firefighter / ungqimba lwangaphandle: I-pre-oxidized non-woven fabricated i-flame-retardant, i-high-temperature resistant and breathable, kwaye ingasetyenziselwa njengoluhlu oluphambili lweesuti zokucima umlilo ukuthintela ukuhanjiswa kwamadangatye kunye nokushisa okuphezulu, ukukhusela ulusu lwabacimi bomlilo; xa idityaniswe ne-aramid, inokuphucula ukumelana nokunxiba kunye nokumelana nokukrazula.
· Izixhobo zokukhusela i-Welding / metallurgical protective: Isetyenziselwa ukuwelda i-mask linings, iiglavu ezikwazi ukumelana nobushushu, iifaskoti zabasebenzi be-metallurgical, njl., ukuxhathisa iintlantsi ezibhabhayo kunye nemitha yobushushu obuphezulu (ngokumelana nobushushu bexesha elifutshane elingaphezulu kwe-300 ° C).
· Izixhobo zokubaleka ngexesha likaxakeka: Njengeengubo zomlilo, izixhobo zokucoca imaski, ezinokusongela umzimba okanye umsi wokuhluza ngexesha lomlilo (umsi omncinci kunye nokungabi natyhefu kubaluleke kakhulu).
2. Ukukhuselwa kobushushu obuphezulu kunye nokugquma
· Izinto zokufakelwa kwemizi-mveliso: Isetyenziswe njengomgca wangaphakathi wemibhobho ephezulu yokushisa, i-boiler insulation pads, njl., ukunciphisa ukulahleka kobushushu okanye ukuhanjiswa (ukuchasana kwexesha elide ukuya kuma-200 ° C nangaphezulu kweendawo ezingqongileyo).
· Izinto zokwakha ezingenamlilo: Njengoluhlu lokuzaliswa kwamakhethini angenamlilo kunye ne-firewall kwizakhiwo eziphakamileyo, okanye izinto zokugubungela ikhebula, ukulibazisa ukusasazeka komlilo (ukuhlangabezana ne-GB 8624 yokumelana nomlilo ibanga B1 kunye neemfuno ezingaphezulu).
· Ukhuseleko lwezixhobo zobushushu obuphezulu: Njengeekhethini ze-oveni, izigqubuthelo zobushushu ezigqunywe kwii-oveni kunye nee-oveni, ukuthintela abasebenzi ukuba bangatshiswa ngumgangatho ophezulu wobushushu besixhobo.
3. Iindawo zokucoca ezinobushushu obuphezulu
· Ukuhluzwa kwerhasi yomsi kwimizi-mveliso: Iqondo lobushushu lerhasi yomsi evela kwizitshisi zenkunkuma, izixhobo zokusila intsimbi, iziko lokusabela kweekhemikhali zihlala zifikelela kuma-200-300°C, kwaye zineegesi ezineasidi. Ilaphu elingalukiweyo eli-pre-oxidized liyamelana namaqondo obushushu aphezulu kunye nokudleka, kwaye linokusetyenziswa njengesiseko semathiriyeli yeengxowa zokucoca okanye iisilinda zokucoca, ukuhluza ngokufanelekileyo.
4. Ezinye iimeko ezikhethekileyo
Izixhobo ezincedisayo kwi-aerospace: zisetyenziswa njengomaleko wokugquma ongatshiyo emlilweni ngaphakathi kwiikhabhathi zeziphekepheke kunye neegesi zokugquma ubushushu ezijikeleze iinjini zerokethi (ezifuna ukuqiniswa ngeentlaka ezikwaziyo ukumelana nobushushu obuphezulu).
Izinto zokugquma umbane: Isetyenziswe njengeegaskets zokukhusela kwi-motor-high-temperature motors kunye ne-transformers, ziyakwazi ukubuyisela izinto ze-asbestos zendabuko (ezingezona i-carcinogenic kunye nokusingqongileyo).
Iv. Izinto eziluncedo kunye neeNdlela zoPhuhliso zeFayibha ye-Pre-Oxidized Nonwoven Fabrics
Izinto eziluncedo: Xa kuthelekiswa nezixhobo zemveli ezinqanda amadangatya (ezifana ne-asbestos kunye nefayibha yeglasi), ilaphu le-pre-oxygenated fiber non-woven non-carcinogenic kwaye linokuguquguquka okungcono. Xa kuthelekiswa nexabiso eliphezulu leefayili ezifana ne-aramid, inexabiso eliphantsi (malunga ne-1/3 ukuya kwi-1/2 ye-aramid) kwaye ifanelekile kwi-batch yesicelo kwiimeko eziphakathi kunye ne-high-end-end-flame-retardant.
I-Trend: Ukuphucula ukuhambelana kunye nokusebenza kakuhle kwe-filtration yeempahla ezingalukwanga ngokucokisa i-fiber (njenge-filament denier pre-oxygenated filaments, ububanzi <10μm); Ukuphuhlisa ubuchule bokucwangcisa ubume bendalo kunye ne-formaldehyde ephantsi kwaye akukho zincamathelisi; Idityaniswe nama-nanomaterials (afana negraphene), iphinda ikhulise ukumelana nobushushu obuphezulu kunye neempawu zokulwa ne-antibacterial.
Ukuqukumbela, ukusetyenziswa kwemicu yangaphambili kwi-oxidized kumalaphu angalukiweyo kuxhomekeke kwiipropati zabo ezidibeneyo "i-flame retardancy kunye ne-high-temperature resistance" ukujongana nokusilela ekusebenzeni kwezinto zemveli kwiqondo eliphezulu kunye neendawo ezivulekileyo zomlilo. Kwixesha elizayo, kunye nokuphuculwa kwemigangatho yokhuseleko lwamashishini kunye nemigangatho yokukhusela umlilo, iimeko zabo zesicelo ziya kwandiswa ngakumbi.
