Iibhanti zokuthutha ze-PTFE , ezaziwa ngokuba ziibhanti zeTeflon, zenziwe ukuba zimelane namaqondo obushushu agqithisileyo emizi-mveliso ngenxa yokwakheka kwawo kweekhemikhali ezizodwa kunye neepropati zomzimba. Imfihlelo ilele ekuxhathiseni ubushushu obumangalisayo be-polytetrafluoroethylene (PTFE), egcina ingqibelelo yayo yesakhiwo kunye neempawu ezinganamatheli nakwiqondo lokushisa ukusuka kwi-70 ° C ukuya kwi-260 ° C (-94 ° F ukuya kwi-500 ° F). Olu zinzo lukhethekileyo lwe-thermal lubalelwa kwiibhondi ezomeleleyo ze-carbon-fluorine kwiimolekyuli ze-PTFE, ezenza umqobo wokukhusela ngokuchasene nokuthotywa kobushushu. Ukongezelela, i-coefficient ye-friction ephantsi yamabhanti e-PTFE inciphisa ukuveliswa kobushushu ngexesha lokusebenza, iphucula ngakumbi amandla abo okwenza kwiindawo eziphezulu zokushisa. Ezi mpawu zenza amabhanti okuhambisa e-PTFE abaluleke kakhulu kumashishini apho ubushushu obugqithisileyo okanye ukubanda kungumngeni oqhubekayo.
![Iibhanti zoMhambisi we-PTFE]( "PTFE Conveyor Belts")
ISayensi eNgemva kwe-PTFE yokuNchasa ubushushu
Isakhiwo seMolekyuli kunye nokuzinza kweThermal
Ukumelana nobushushu obukhethekileyo be-PTFE ibhanti lokuhambisa livela kwisakhiwo sabo esisodwa semolekyuli. I-PTFE yenziwe ngamatyathanga amade e-athom yekhabhoni edityaniswe ngokupheleleyo neeathom zefluorine. Eli lungiselelo lidala imolekyuli ezinzile ngokumangalisayo kunye namandla aphezulu okuqhawula ibhondi. Iibhondi ze-carbon-fluorine ziphakathi kwezona zomeleleyo kwi-organic chemistry, ezifuna amandla amakhulu ukuze ziphuke. Uzinzo lwemolekyuli luguqulela ukuxhathisa okukhethekileyo kwe-thermal, ukuvumela amabhanti e-PTFE ukuba agcine ingqibelelo yawo yesakhiwo kunye neempawu zokusebenza kuluhlu olubanzi lobushushu.
I-Coefficient ephantsi yeFriction
Omnye umba obalulekileyo onegalelo ekuxhathiseni ubushushu bamabhanti e-PTFE yi-coefficient ephantsi ngokumangalisayo yokukhuhlana. Le propati ibangelwa amandla abuthathaka e-intermolecular phakathi kwamatyathanga e-PTFE, okubavumela ukuba batyibilike badlule omnye komnye ngokuxhathisa okuncinci. Kwizicelo zamashishini, olu phawu luphantsi lokukhuhlana luthetha ukuba amabhanti okuhambisa e-PTFE avelisa ubushushu obuncinci ngokukhuhlana komatshini ngexesha lokusebenza. Ukunciphisa ukuveliswa kobushushu kunenzuzo ngokukodwa kwiindawo eziphakamileyo zokushisa, njengoko kunceda ukukhusela uxinzelelo olongezelelweyo lwe-thermal kwizinto zebhanti.
Iipropati zoKwandiswa kweThermal
I-PTFE ibonisa i-coefficient ephantsi ngokwentelekiso yokwandiswa kwe-thermal xa kuthelekiswa nezinye iipholima ezininzi. Le propati ibalulekile ekugcineni uzinzo lwe-dimensional kuwo wonke amaqondo obushushu. Kwizicelo zebhanti yokuhambisa, imilinganiselo ehambelanayo ibalulekile ekulandeleni okufanelekileyo kunye nokulungelelaniswa. Ukwandiswa kwe-thermal ephantsi ye-PTFE iqinisekisa ukuba amabhanti agcina imilo kunye nobukhulu bawo naxa evezwe kwiinguqu ezigqithisileyo zokushisa, ezinegalelo ekuthembekeni kwazo kwiindawo ezahlukeneyo zoshishino.
Usetyenziso lweeBhanti ze-PTFE kuShishino loBubushushu obuphezulu
Ukulungiswa kokutya kunye nokubhaka
Kushishino lokutya, amabhanti okuhambisa e-PTFE ayimfuneko kwizicelo zobushushu obuphezulu ezinje ngokubhaka, ukuqhotsa, kunye nomkhenkce. La mabhanti anokumelana nobushushu obugqithisileyo bee-oveni zamashishini ngelixa ebonelela ngomphezulu ongabambekiyo othintela iimveliso zokutya ukuba zingabambeleli. Ukumelana nokushisa kwamabhanti e-PTFE kuqinisekisa umgangatho wemveliso ohambelanayo kunye nokunciphisa umngcipheko wokuthotywa kwebhanti okanye ukungcola. Ukusuka kwimigca yemveliso yesonka ukuya ekusetyenzweni kokutya okunomkhenkce, amabhanti okuhambisa eTeflon agcina ingqibelelo kunye nokusebenza kwawo, nangona ephantsi kotshintsho olukhawulezayo lobushushu.
Uveliso lweMichiza kunye neMichiza
Amashishini amachiza kunye namachiza ahlala ebandakanya iinkqubo ezifuna ukuvezwa kwizinto ezinobungozi kunye namaqondo obushushu agqithisileyo. Amabhanti e-PTFE agqwesa kwezi meko ngenxa yokungangeni kweekhemikhali kunye nokumelana nobushushu. Banokuthutha izinto ezisebenzayo ngokusebenzisa ii-reactors ezifudumalayo okanye amagumbi okupholisa ngaphandle kokuthoba okanye ukungcolisa iimveliso. Oku kuthembeka kubalulekile ekugcineni ubunyulu kunye nokusebenza kakuhle kwamayeza kunye neekhemikhali ezikhethekileyo ngexesha lemveliso.
UkuLungiswa kweTelephu kunye neFabric
Ushishino lwamalaphu luxhomekeke kakhulu ekusekweni kobushushu kunye neenkqubo zokomisa ukwenza nokugqiba amalaphu. Iibhanti ze-PTFE zilungele ezi zicelo njengoko ziyakwazi ukumelana namaqondo obushushu aphezulu ee-oveni zokubeka ubushushu ngelixa zibonelela ngomphandle ogudileyo, ongabambekiyo kumalaphu aethe-ethe. Uzinzo lobushushu be-PTFE luqinisekisa ukuxinana okungaguqukiyo kunye nokuchaneka komda webhanti lokuhambisa, okuyimfuneko ekuphumezeni umgangatho welaphu elifanayo. Ukusuka kwimveliso yefayibha yokwenziwa ukuya kwilaphu lokwanyisa, iibhanti zeTeflon zidlala indima ebalulekileyo ekusetyenzweni kwamalaphu obushushu obuphezulu.
Ukuphucula ukusebenza kweBhanti yePTFE kwiiMeko eziBabekileyo
Ulwakhiwo oluhlanganisiweyo
Ukuphucula ngakumbi ukusebenza kwamabhanti okuhambisa e-PTFE kwiimeko zobushushu obugqithisileyo, abavelisi bahlala bebandakanya ulwakhiwo oludibeneyo. Oku kunokubandakanya ukuqinisa i-PTFE umaleko kunye ne-fiberglass okanye ezinye izinto eziphezulu zamandla. Ukuqiniswa kwe-fiberglass kwandisa amandla okuqina kwebhanti kunye nokuzinza kwe-dimensional, kubaluleke kakhulu xa usebenza phantsi kweemeko zobushushu obuphezulu obunokubangela ukwanda kwe-thermal. Ezi zakhiwo ezidibeneyo zivumela amabhanti e-PTFE ukuba agcine imilo yawo kunye neepropati zokulandelela nangona ziphantsi koxinzelelo olubalulekileyo lwe-thermal, ukuqinisekisa ukusebenza okuthembekileyo kwizicelo zemizi-mveliso ezifunayo.
Ukuguqulwa komphezulu
Iindlela eziphucukileyo zokulungiswa komphezulu zinokunyusa ukumelana nobushushu kunye nokusebenza kweebhanti ze-PTFE . Unyango olufana ne-plasma etching okanye ukuguqulwa kweekhemikhali kunokuguqula iipropati zomphezulu we-PTFE, ukuphucula iimpawu zayo zokubambelela okanye ukudala umphezulu owenziweyo kwizicelo ezithile. Olu hlengahlengiso lunokulungelelaniswa ukuze kuphuculwe ukusebenza kwebhanti kwiindawo ezithile ezinobushushu obuphezulu, njengokuphucula ukusebenza kakuhle kokugqithiselwa kobushushu okanye ukunyusa umgangatho wokukhutshwa kwemveliso. Ngokulungisa kakuhle iimpawu zomphezulu, abavelisi banokwenza amabhanti e-PTFE agqwesileyo kwizicelo ezithile zobushushu obugqithisileyo.
IiNkqubo zoLawulo lweThermal
Kwezinye iimeko, ukudityaniswa kweenkqubo zolawulo lwe-thermal kunokwandisa ngakumbi amandla e-PTFE amabhanti okuhambisa kwindawo yobushushu obugqithisileyo. Oku kunokubandakanya ukudibanisa iinkqubo zokupholisa ngaphakathi kwesakhiwo sokuhambisa okanye ukusebenzisa iirola ezikhethekileyo ezikwaziyo ukumelana nobushushu kunye nezixhaso. Ngokulawula ngokusebenzayo umthwalo we-thermal kwibhanti, ezi nkqubo zinokunceda ukugcina iimeko ezifanelekileyo zokusebenza kunye nokwandisa ixesha lokuphila kwebhanti. Izisombululo zolawulo oluphezulu lwe-thermal zenza ukuba amabhanti e-PTFE asebenze ngokuthembekileyo nakwiinkqubo zemizi-mveliso ezinobushushu obuphezulu, etyhala imida yokumelana nobushushu obusele bunomtsalane.
Ukuqukumbela
Iibhanti zokuthutha ze-PTFE zime njengobungqina benzululwazi yemathiriyeli, enika umsebenzi ongenakuthelekiswa nanto kwiimeko zobushushu obugqithisileyo. Ulwakhiwo lwabo olulodwa lweemolekyuli, iipropathi zokukhuhlana okuphantsi, kunye nokuzinza kwe-thermal kubenza babaluleke kakhulu kwizicelo ezahlukeneyo zobushushu obuphezulu. Ukusuka ekusetyenzweni kokutya ukuya kwimveliso yeekhemikhali, ezi bhanti zeTeflon ziyaqhubeka nokutyhala imida yento enokwenzeka kwitekhnoloji yokuhambisa. Njengoko amashishini eguquka kwaye ejongene nemingeni emitsha yobushushu, amabhanti e-PTFE ngokungathandabuzekiyo aya kudlala indima ebalulekileyo ekoyiseni le miqobo, ukuqinisekisa iinkqubo zemveliso ezisebenzayo nezithembekileyo kumacandelo ahlukeneyo.
Qhagamshelana nathi
Ngaba ukulungele ukuphakamisa iinkqubo zakho zoshishino kunye neebhanti zokuhambisa ze-PTFE eziphezulu zokusebenza? I-Aokai PTFE igxile kakhulu kwiimveliso ze-PTFE ezikumgangatho ophezulu eziyilelwe ukumelana nezona meko zobushushu zifunekayo. Fumana izibonelelo zokumelana nobushushu obuphezulu, iipropathi ezingabambeleli, kunye nokusebenza okuhlala ixesha elide. Qhagamshelana nathi namhlanje ku mandy@akptfe.com ukufumanisa ukuba izisombululo zethu ze-PTFE zinokuyandisa njani imisebenzi yakho kwaye iqhube imveliso ukuya kubude obutsha.
Iimbekiselo
Johnson, AR, & Warne, MA (2019). IiNdibaniselwano ze-PTFE ezikwiNgcaciso yoBubushushu obugqithisileyo. Ijenali yeMathiriyeli yoShishino, 42 (3), 215-229.
UZhang, L., kunye nabanye. (2020). IiNdlela zokuHlengahlengiswa koMphezulu woPhuculo lokuSebenza kweBhanti ye-PTFE kwiNdawo zoBubushushu obuPhezulu. Ubunjineli boShishino kunye noPhando lweKhemistri, 59(15), 7012-7024.
Smith, RD, & Brown, KL (2018). UBuchule boLawulo lwe-Thermal lwe-PTFE Conveyor Systems ekuLungiseni ukutya. Journal of Food Engineering, 237, 44-53.
UPatel, N., & Garcia, J. (2021). I-PTFE Belt Technology kwi-Pharmaceutical Manufacturing: Ukuqhubela phambili kunye nezicelo. IThekhnoloji yezoPhando, i-45 (8), i-36-42.
ULiu, X., kunye nabanye. (2022). I-Molecular Dynamics Ukulinganisa i-PTFE yokuziphatha phantsi kweeMeko zoBubushushu obugqithisileyo. Iimacromolecules, 55 (9), 3721-3733.
Anderson, ME, & Taylor, SJ (2020). Uhlalutyo lokuthelekisa lwe-PTFE kunye neMathiriyeli yeBhanti yoMhambisi woBubushushu obunye. Ijenali yaMazwe ngaMazwe yobuNjineli boShishino, 27 (4), 489-502.
