Ukubuka: 0 Umbhali: Isikhathi Sokushicilela Isihleli Sesayithi: 2026-07-17 Umsuka: Isayithi
Okuqukethwe
Inkomba yokusebenza eyinhloko ye-high-silica Indwangu ye-glass fibre iwukuqukethwe kwe-silicon dioxide (SiO₂) okungengaphansi kwama-96%. Imikhiqizo ejwayelekile ngokuvamile iwela phakathi kwebanga lama-96% kuya ku-98%. Ngokucwiliswa kwe-asidi ejulile kanye nezinqubo zokucwilisa izinga lokushisa eliphezulu, amamaki athile eprimiyamu angafinyelela okuqukethwe kwe-SiO₂ okudlula u-99%, okwenza okokusebenza kusondele ngokuhlanganisa ku-quartz fiber emsulwa.
Kusetshenziswa indwangu ye-fiber ye-E-glass njengempahla eluhlaza, inqubo iqala nge-acid leaching eshisayo ukuncibilikisa izingxenye ezingezona i-silica ezifana ne-boron oxide ne-sodium oxide, okwenza uhlaka lwamathambo olunezimbobo eziphakeme ze-silica. Lokhu kulandelwa i-sintering ephezulu yokushisa ukuze kugxiliswe isakhiwo, ekugcineni kunikeze ukuhlanzeka okuphezulu, indwangu ekwazi ukumelana nokushisa egcina ukuguquguquka okuhle.
Njengoba kuphawulwe umkhiqizi wendwangu ye-PTFE eshisa kakhulu, le ndwangu ingamelana nesevisi ende ku-900°C ku-oxidizing atmosphere, kanye nokuchayeka kokushaqeka okushisayo okungaphezu kuka-1200°C. Iphuzu layo lokuthambisa lisondela ku-1700°C, ngaphandle kokuncibilika noma ukushwabana emazingeni okushisa aphezulu. Uma isetshenziswa njengento evuthayo, iyasha, incibilike, futhi ihwamuke ngaphansi kokushisa okunamandla, imunce amandla amakhulu okushisa futhi yakhe umgoqo wokushisa osebenzayo.
Ngaphandle kwe-hydrofluoric acid ne-hot phosphoric acid, indwangu imelana nokugqwala okuvela kuma-acid amaningi nama-alkali. Emazingeni okushisa aphakeme, igcina i-dielectric engaguquki futhi ezinzile ukumelana nokufakwa kwe-insulation, iqinisekisa ukuphepha okuthembekile kukagesi ezindaweni ezinokhahlo, nokukhipha intuthu ephansi futhi akukho maconsi ancibilikisiwe.
Isetshenziswa njenge-ablative insulation substrate yama-rocket motor nozzles, ama-missile nose cones, namasistimu okuvikela ukushisa okushisayo kwemikhumbi-mkhathi. Uma ihlanganiswe nama-phenolic resins, yakha izivikelo zokushisa ezisebenza kahle kakhulu. Ibuye yenziwe ibe izingubo zokulala zokuvala indiza, izindonga zokuvikela umlilo, kanye nezingubo zokuvikela umlilo zekhebula.
Ilungele amakhethini okufaka isithando somlilo, amajoyinti anwebekayo asezingeni eliphezulu kumapayipi, izinxephezelo eziguquguqukayo, nezindwangu zokugoqa zemishini. Izicelo ezivamile zihlanganisa ukufakwa kwemishini eqhubekayo yokuphonsa ezigayweni zensimbi, ukuvikela ekuchaphazeni kwensimbi encibilikisiwe, nokufakwa okushisayo kwama-valve ahlanganayo asezingeni eliphezulu, okunciphisa ngokuphumelelayo ukulahlekelwa kokukhipha ukushisa.
Isebenza njengesisekelo esikahle sezingubo zokushisela ezisebenza kahle kakhulu, izingubo zokulala ezicisha umlilo, nezivalo zamarola ezingashi. Ayibasi lapho ichayeka elangabini, ayikhiqizi amaconsi ancibilikisiwe, futhi ivimba ngokuthembekile izinhlansi zokushisela kanye ne-hot slag. Isetshenziswa kakhulu ekulungiseni imikhumbi, ekugcinweni kwezitshalo zamakhemikhali, nasekusetshenzisweni kokucisha umlilo.
Ekuhlanzweni kwezinga lokushisa eliphezulu, amagesi e-flue abolayo avela kumabhayela abasebenzisa amalahle, izikhutha zikasimende, nezithando zensimbi, indwangu yenziwa ibe izikhwama zokuhlunga ezicijile ngezinaliti noma ezilukiwe. Imelana nokuhlaselwa kwamagesi ane-asidi kuyilapho ibamba kahle izinhlayiyana ezincane, ivumela ukubuyiselwa kokushisa kwemfucumfucu kanye nokukhishwa kwe-ultra-low.
Kuqashwe izendlalelo zokuvikela ukumelana nomlilo kumakhebuli anezinga lokushisa eliphezulu, amalayini we-motor slot, nezihlukanisi zama-transformer. Ngaphansi kwezimo zomlilo, kusiza ukugcina ubuqotho besifunda, ukuqinisekisa ukunikezwa kwamandla okuphuthumayo nokuphepha kwemishini.
Indwangu yengilazi ye-silica ephezulu isebenza njengento yokuhlanganisa phakathi kwe-glass fiber evamile kanye ne-quartz fiber ehlanzekile. Uma amazinga okushisa okusebenza edlula umkhawulo wendwangu yengilazi ye-E kodwa izindleko eziphezulu zefayibha ye-quartz emsulwa azithetheleleki, lesi sici sinikeza ibhalansi enhle kakhulu yokusebenza kwezindleko nokusebenza eduze kwaleyo yequartz. Ngakho-ke iyindwangu encanyelwayo ekwazi ukumelana nokushisa ye-aerospace, izimboni ezisezingeni lokushisa eliphezulu, kanye nezicelo zokuvikela ukuphepha. Uma ukhetha ibanga elithile, izici ezifana nezinga lokushisa lesevisi yesikhathi eside, izimo zomkhathi, nezimfuneko zemishini kufanele zicatshangelwe ukuze zifane nokucaciswa kokuqukethwe kwe-silica okufanele kanye nokulukwa kwendwangu.
Ulwazi olungenhla luhlinzekwa ngu I-Jiangsu Aokai New Material Technology Co., Ltd. , umkhiqizi wendwangu we-PTFE wezinga lokushisa eliphezulu.
Uma ungathanda ukufunda okwengeziwe mayelana nokucaciswa okuningiliziwe, izimo zohlelo lokusebenza, nezinketho zokwenza ngokwezifiso ububanzi bomkhiqizo wethu ogcwele - okuhlanganisa indwangu ye-PTFE yokushisa okuphezulu, i-PTFE tape yokushisa okuphezulu, amabhande anezikhala we-Teflon high-temperature, amabhande omshini wokubopha angenamthungo, indwangu ye-PTFE enohlangothi olulodwa, into ebamba ukushisa okuphezulu, ne-fiberglass yamahhala sicela uxhumane nathi. ngokulandelayo:
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