Mumafuta epetroleum uye makemikari maindasitiri, kudiwa kwezvinhu zvakavimbika uye zvakasimba zvakakosha. Enter fluoroelastomers , kirasi yerabha yekugadzira iyo yave chinhu chakakosha mukushandisa kwakasiyana mukati meaya maindasitiri. Asi chii chaizvo chinonzi fluoroelastomers uye nei vari kuwana mukurumbira wakadaro?
Fluoroelastomers imhando ye elastomer inoratidza kuramba kupisa, makemikari, uye yakanyanyisa mamiriro ekunze. Iwo anogadzirwa kubva musanganiswa wefluoropolymers uye elastomers, zvichikonzera chinhu chinogona kumira nharaunda dzakaomarara uye makemikari ane hukasha zviri nyore. Zvimiro zvavo zvakasarudzika zvinovaita kuti vakwanise kushandiswa muzvisimbiso, gaskets, O-mhete, uye zvimwe zvakakosha zvikamu mupetroleum nemakemikari ekugadzira michina.
Iko kushandiswa kwefluoroelastomers mu petroleum uye maindasitiri emakemikari kwakakura uye kwakasiyana. Kubva pakunatsa oiri kuenda kumiti yemakemikari, fluoroelastomers inoita basa rakakosha mukuona kuchengetedzwa uye kuvimbika kwemashandiro. Iwo anowanzo shandiswa mukuisa chisimbiso masisitimu, kwaanopa kupikisa kwakanyanya kumakemikari anoparadza, tembiricha yepamusoro, uye kudzvanywa. Pamusoro pezvo, mafluoroelastomers anoshandiswa mumachubhu, hosi, uye zvigadziriso zvembatya, zvichipa kupikisa kwepamusoro kune akasiyana siyana emakemikari nemafuta.
Imwe yemabhenefiti akakosha efluoroelastomers pamusoro pezvimwe zvinhu ndeye yakasarudzika makemikari kuramba. Vanogona kumira kuratidzwa kune zvinhu zvine hukasha zvakaita seasidhi, zvinonyungudutsa, uye zvituru, pasina kusangana nekuderedzwa kana kurasikirwa kwekuita. Izvi zvinovaita sarudzo yakanaka yezvishandiso uko kuenderana kwemakemikari kwakakosha.
Nekudaro, mafluoroelastomers haasi asina matambudziko uye miganhu. Nepo vachikunda munzvimbo dzakawanda, vanogona kudhura zvichienzaniswa nemamwe elastomers. Mutengo wavo wakakwira unogona kuverengerwa kune yakaoma kugadzira maitiro uye yakasarudzika masanganiswa anoshandiswa mukugadzira kwavo. Pamusoro pezvo, fluoroelastomers inogona kunge isingakodzere maapplication anoda kudzika-tembiricha kuchinjika, sezvo anowanzo kuomesa uye kurasikirwa nekusimba mumamiriro ekutonhora zvakanyanya.
Muchinyorwa chino, isu tichanyura mukati menyika yefluoroelastomers, tichiongorora zvivakwa zvavo, mashandisiro, zvakanakira, pamwe nematambudziko uye zvipingamupinyi zvavanopa. Nekunzwisisa basa remafluoroelastomers mupetroleum uye maindasitiri emakemikari, nyanzvi uye vanoita sarudzo vanogona kuita sarudzo dzine ruzivo kana zvasvika pakusarudza zvinhu zvakanyatsokodzera kune zvavanoda chaizvo.
Chii chinonzi Fluoroelastomers?
Fluoroelastomers, inozivikanwawo seFKM (fluorocarbon) elastomers, imhando yerabha yakagadzirwa inopa kusarudzika kudzivirira kupisa, makemikari, uye mvura dzakasiyana. Aya elastomers anoshandiswa zvakanyanya mumaindasitiri anodiwa zvisimbiso zvepamusoro-soro uye gaskets, senge mota, aerospace, uye kugadzirisa makemikari.
Chimwe chezvinhu zvakakosha zvefluoroelastomers kugona kwavo kutsungirira kupisa kwakanyanya. Dzinogona kushanda zvakanaka mutembiricha dzinobva -30°C kusvika 250°C (-22°F kusvika 482°F), zvichiita kuti dzive dzakanakira kushandiswa kunosanganisira kupisa kwakanyanya uye nharaunda dzakaoma. Uku kunoshamisa kwekudzivirira kupisa kunobvumira fluoroelastomers kuchengetedza kugona kwavo kuvhara uye kudzivirira kuvuza kunyangwe pasi pemamiriro akanyanya.
Chimwe chinocherechedzwa chefluoroelastomers ndiko kupikisa kwavo kwemakemikari. Vanogona kumira kuratidzwa kune akasiyana siyana emakemikari, anosanganisira acids, mabhesi, mafuta, zvinonyungudutsa, uye mafuta. Uku kupikisa kwemakemikari kunoita kuti fluoroelastomers ive sarudzo inosarudzika yezvisimbiso uye gaskets mumaindasitiri uko kusangana nemvura ine hutsinye kwakajairika.
Pamusoro pekupisa kwavo uye makemikari kuramba, fluoroelastomers inoratidzawo kusarudzika kuramba kuchembera uye kudzikisira. Ivo vane hupenyu hurefu hwesevhisi uye vanogona kumira kuratidzwa kwenguva refu kune UV mwaranzi, ozone, uye mamiriro ekunze pasina kuderera. Uku kusimba kunobvumira mafluoroelastomers kuchengetedza kuita kwavo chisimbiso kwenguva yakareba, kuderedza kudiwa kwekugara kuchitsiva uye kuderedza nguva yekudzikira.
Uyezve, fluoroelastomers inopa yakanakisa compression set kuramba, zvichireva kuti vanogona kuchengetedza chimiro chavo chepakutanga uye kuisa chisimbiso zvivakwa kunyangwe mushure mekumanikidzwa kwenguva yakareba. Hunhu uhu hwakakosha kune maapplication uko elastomer inogara iri pasi pekumanikidzwa, kuve nechokwadi chekuvimbika uye chisimbiso-chisina kuvuza.
Zvishandiso zveFluoroelastomers muPetroleum uye Chemical Industries
MaFluoroelastomers aratidza kuve akakosha zvakanyanya mumaindasitiri epetroleum nemakemikari nekuda kwehunhu hwawo hwakasiyana uye kuramba mamiriro akaomarara. Izvi zvinhu zvakasiyana-siyana zvakawana akawanda maapplication, kuve nechokwadi chekushanda uye kuchengetedzeka kweakasiyana maitiro mumaindasitiri aya.
Imwe yakakurumbira kushandiswa kwefluoroelastomers iri mukuisa chisimbiso masisitimu. Iyo yakasarudzika kemikari chimiro chefluoroelastomers inovatendera kuti vamire kutonhora kwakanyanya, makemikari ane hukasha, uye kumanikidza kwakanyanya. Izvi zvinoita kuti dzive dzakanakira kushandiswa mumagaskets, O-mhete, uye zvimwe zvikamu zvekuisa chisimbiso zvakakosha mukudzivirira kuvuza uye kuchengetedza kutendeseka kwemidziyo nemasystem. Nekushandisa fluoroelastomers, maindasitiri anogona kuve nechokwadi chekuvimbika uye hupenyu hurefu hwemasisitimu avo ekuisa chisimbiso, kuderedza njodzi yekudhura kuderera uye njodzi kwezvakatipoteredza.
Uyezve, mafluoroelastomers anoshandiswa zvakanyanya mukugadzira uye kubata kwepetroleum uye zvigadzirwa zvemakemikari. Aya elastomers anokunda munzvimbo dzine ngura, zvichiita kuti ave akakodzera kushandiswa mumapombi, mavharuvhu, nemapombi masisitimu. Kuramba kwavo kune zvinonyungudutsa, mafuta, maasidhi, uye zvimwe zvinhu zvine hukasha zvinova nechokwadi chekufambisa kwakanaka uye kwakanaka kwemvura nemakemikari. Iyo yakasarudzika yemakemikari kuramba yefluoroelastomers inobatsira mukudzivirira kuvuza, kusvibiswa, uye kutadza kwemidziyo, kuvimbisa kuchengetedzeka uye mhando yezvigadzirwa zviri kugadziriswa kana kutakurwa.
Pamusoro pekupikisa kwavo kwemakemikari, fluoroelastomers zvakare inoratidza yakanakisa kupisa kupisa. Ichi chivakwa chinoita kuti chikoshese mumashandisirwo anowanikwa tembiricha yakanyanya, senge mukunatswa kwepetroleum kana kugadzirwa kwemakemikari. Fluoroelastomers inokwanisa kushingirira tembiricha iri pamusoro pe200 madhigirii celsius isingarasikirwe nemagetsi kana kudzikisira. Kugona uku kunobvumira maindasitiri kushanda patembiricha yakakwira, kuvandudza mashandiro ekuita uye kubudirira.
Iwo akasarudzika zvimiro zvefluoroelastomers zvakare anowedzera pakuramba kwavo kuchembera uye kudzikisira. Zvishandiso izvi zvine hupenyu hurefu hwesevhisi, kunyangwe kana zvakafumurwa kune dzakaoma nharaunda kwenguva yakareba. Uku kusimba kunovimbisa hupenyu hurefu hwemidziyo uye kunoderedza kudiwa kwekugara kuchitsiviwa, zvichikonzera kuchengetedza mari kumaindasitiri.
Zvakanakira zveFluoroelastomers pamusoro peZvimwe Zvishandiso
Fluoroelastomers, inozivikanwawo seFKM, imhando yerabha yekugadzira inopa akawanda mabhenefiti pamusoro pezvimwe zvinhu. Aya makomisheni akasarudzika akawana mukurumbira mumaindasitiri akasiyana siyana nekuda kweakasarudzika zvivakwa uye kuita munzvimbo dzinodiwa.
Imwe yemabhenefiti akakosha efluoroelastomers kuramba kwavo kwakanyanya kumakemikari uye tembiricha yakanyanyisa. Kusiyana nezvimwe zvinhu, fluoroelastomers inogona kumirisana nemhando dzakasiyana dzemakemikari anoparadza, anosanganisira acids, mafuta, uye zvinonyungudutsa. Izvi zvinoita kuti vanyatsokodzera kunyorera mumotokari, aerospace, uye maindasitiri ekugadzirisa makemikari.
Pamusoro pekupokana kwavo kwemakemikari, fluoroelastomers inoratidza kugadzikana kunoshamisa kwekupisa. Vanogona kuchengetedza kutendeseka kwavo uye kushanda kunyangwe pakupisa kwakanyanya, kupfuura kugona kweakajairika elastomers. Izvi zvinoita kuti dzive dzakanakira kushandiswa muzvisimbiso, gaskets, uye O-mhete mumashandisirwo uko kuratidzwa kwekupisa kuri kunetseka.
Uyezve, mafluoroelastomers ane akasarudzika emuchina zvivakwa, kusanganisira yakakwira tensile simba uye kuramba kubvarura. Izvi zvinovagonesa kutsungirira nharaunda dzine hukasha uye kubata kwakashata, kuve nechokwadi chekugara uye hupenyu hurefu. Kusimba kwavo kune compression set, kana kugona kupora mushure mekumanikidzwa, zvakare kunovasiyanisa nezvimwe zvinhu.
Imwe mukana we fluoroelastomers ndeye yakaderera gasi permeability. Ichi chivakwa chinovaita sarudzo yakanakisa yekuisa chisimbiso maapplication uko kudzivirira gasi kana kubuda kwemvura kwakakosha. Maindasitiri akadai seoiri negesi, mishonga, uye kugadzira chikafu anovimba nemafluoroelastomers kuchengetedza kutendeseka kwemasisitimu avo uye kuve nechokwadi chemhando yechigadzirwa.
Zvakare, fluoroelastomers inopa yakanakisa kuramba ozone, mamiriro ekunze, uye UV mwaranzi. Izvi zvinoita kuti dzive dzakakodzera kune zvekunze zvikumbiro zvinoratidzwa kune yakaoma mamiriro ekunze. Kupokana kwavo pakuora kunovimbisa kushanda kwenguva refu uye kunoderedza mari yekuchengetedza.
Matambudziko uye Mamiriro eFluoroelastomers
Fluoroelastomers , inozivikanwawo seFKM, ndeyekugadzira rabha-senge zvinhu zvine kupikisa kwakanyanya kupisa, makemikari, uye mafuta. Izvi zvakasarudzika zvivakwa zvinoita kuti fluoroelastomers idiwe zvakanyanya mumaindasitiri akasiyana, anosanganisira emotokari, aerospace, uye kugadzira makemikari. Nekudaro, zvisinei nezvakawanda zvakanakira, mafluoroelastomers anouyawo nemugove wavo wakanaka wezvinetso uye zvisingakwanisi.
Rimwe rematambudziko makuru efluoroelastomers mutengo wavo wakakwira. Kuenzaniswa nemamwe elastomers, senge nitrile rabha kana silicone, fluoroelastomers inodhura kugadzira. Izvi zvinonyanya kukonzerwa nekuoma kwekugadzira maitiro uye kushomeka kwezvinhu zvakagadzirwa. Nekuda kweizvozvo, fluoroelastomers inogona kunge isiri iyo inogoneka sarudzo kune inodhura-sensinsi application.
Chimwe chinodzivirirwa chefluoroelastomers ndeye kushomeka kwavo kuderera-tembiricha kuchinjika. Nepo zvinhu izvi zvichiratidza kupikisa kwakanyanya kune tembiricha yakakwira, zvinowanzoita kuoma uye kurasikirwa nekudzikama pakudziya kwakadzikira. Izvi zvinogona kuve zvakakosha dhizaini mumaindasitiri uko kuderera-tembiricha kuita kwakakosha, senge firiji kana cryogenic application.
Uyezve, fluoroelastomers ane kushomeka kwemisodzi uye abrasion kuramba zvichienzaniswa nemamwe elastomers. Izvi zvinoreva kuti vanogona kusamira zvinorema uye kubvaruka kana hukasha hwemagetsi masimba. Mumashandisirwo ayo chinhu chinogara chichikweshana kana kukanganisa, mamwe elastomers ane nani abrasion kuramba anogona kuve akakodzera.
Pamusoro pezvo, fluoroelastomers inogona kunetsa kugadzirisa uye kuumba. Kusviba kwavo kwepamusoro uye kuyerera kwakadzika kunoita kuti zviome kuwana zvimiro zvakaomarara kana zvikamu zvitete-madziro. Izvi zvinogona kumisa muganho mumaindasitiri anoda akaomesesa kana akagadziridzwa madhizaini, senge emagetsi kana zvikamu zvemidziyo yekurapa.
Kunyangwe izvi zvimhingamipinyi uye zvisingakwanisi, fluoroelastomers inoramba iri sarudzo yakakurumbira kune akawanda maapplication nekuda kwekudzikama kwavo kwekupisa kwekupisa uye kuramba kwemakemikari. Iwo anoshandiswa zvakanyanya muzvisimbiso, gaskets, O-mhete, uye zvimwe zvikamu zvekuisa chisimbiso zvinoda kuvimbika uye kusimba munzvimbo dzakaoma.
Mhedziso
Fluoroelastomers zvinhu zvakasiyana-siyana uye zvakavimbika zvekuisa chisimbiso mumaindasitiri anoda epamusoro-kuita elastomers. Ivo vanopa yakasarudzika kupisa kupisa, makemikari kuramba, kusimba, uye compression set kuramba, zvichiita kuti ive yakanaka kune inoda nharaunda. Ivo vanoita basa rakakosha mumaindasitiri epetroleum nemakemikari, vachipa makemikari kuramba, kupisa kupisa, uye kusimba mumasisitimu masisitimu, maitiro ekugadzira, uye masisitimu ekufambisa. MaFluoroelastomers anopa akawanda mabhenefiti pamusoro pezvimwe zvinhu, zvinosanganisira kukwirira kupikisa makemikari uye tembiricha yakanyanyisa, yakasarudzika michina zvivakwa, yakaderera gasi permeability, uye kuramba ozone uye mamiriro ekunze. Nekudaro, ivo vanouyawo nematambudziko uye nekugumira senge mutengo wakakwira, kushomeka kudzika-tembiricha kuchinjika, kushomeka kubvarura uye abrasion kuramba, uye kunetseka mukugadzirisa nekuumba. Maindasitiri anofanirwa kutarisisa zvinhu izvi pakusarudza elastomer yakakodzera kune yavo chaiyo maapplication.
