Uxinzelelo oluphezulu lwezixhobo zokwenza iireyitha iilayini ezenziwe nge-PTFE ziqinisekisa ukuxhathisa okona kulungileyo kwiikhemikhali.
Ukhuseleko lokutya lubandakanyiwe
I-PTFE liner, enobungqingqwa beemilimitha ezininzi, ikhusela ireactor yentsimbi engatyiwayo ngokufanelekileyo ekumdleni, nakwimithombo yeendaba edlayo njengeeasidi kunye nealkali.I-PTFE yohlulwe ngokuxhathisa kwayo okugqwesileyo phantse kuzo zonke iikhemikhali, nto leyo eyenza kube lula ukwenza ngaphandle kweealloyi ezikhethekileyo ezininzi ezibizayo.Oku kunciphisa kakhulu iindleko zokufumana.
Umngcipheko wokungcoliseka okunokwenzeka kulula ukuwulawula nge-PTFE liners.I-metallic catalysers, ezifana ne-Pt, i-Rh, i-Raney Nickel njl zibambelela kwii-reactors zensimbi kwaye kunzima kakhulu ukuzisusa.Kolu vavanyo lulandelayo umbuzo uqhubeka ukhula ukuba iziphumo ezijongiweyo zenziwa ngokwenene lutshintsho lwe-catalyser, iziphumo zosulelo okanye ityhefu yecatalyst.Le ngxaki ikhutshiwe ngobuchule ngokugcina ilina ye-PTFE yohlobo ngalunye lwe-catalyser.
Ingcebiso: Iilitha ze-PTFE zisenokusetyenziswa njengemikhumbi yokugcina yezisombululo ezisebenzayo.
Ukusetyenziswa jikelele
Iimpawu zoxinzelelo oluphezulu zingasetyenziselwa zonke iinjongo;onke amalungu adibana nesigaba solwelo akhuselwe kuhlaselo lweekhemikhali ngokusebenzisa iifluoropolymers.I-liner ivalwe nge-hermetically kwaye ibambelela ngaphakathi kodonga lwe-reactor njengesikhumba.Yiyo loo nto yohluke kakhulu kwiilayini ze-PTFE, ezibekwe zivuleleke kwi-reactor.I-liner iyonke ibandakanya i-PTFE efakelwayo, i-cover lining, i-dip pipe kunye ne-agitator sheaths kunye ne-PTFE yokutywina amakhonkco.Zonke ezi ndawo zinokususwa kwaye zifakwe kwakhona ngokulula ngeenjongo zokucoca.Ubunzima beendonga ze-liner buxhomekeke kumthamo we-reactor kunye noluhlu phakathi kwe-1.6 kunye ne-7.4 mm.I-lining of the cover in ubuncinane 3.7 mm ubukhulu.Uxinzelelo oluphezulu lokusebenza lwe-reactors yi-200 bars kwaye ubushushu obukhulu bokusebenza ngokuqhubekayo yi-230 °C.Ngexesha elifutshane (okt. ubuninzi bemizuzu engama-60) i-reactor inokufudunyezwa ukuya kuma-260 °C.Ubushushu obuphezulu kunye nezigaba zokufudumeza ezinde ngaphezulu kwe-260°C zonakalisa ilina ye-PTFE.
Ngenxa yala maqondo obushushu aphezulu okusebenza, amacandelo e-PTFE aqhelekileyo "agqwethiwe";kodwa amacandelo oxinzelelo oluphezulu awenzi.Ezi zixhobo ze-PTFE azinalo ulwalathiso olukhethwayo kuba, ngenxa yendlela yokubumba i-isostatic yoxinzelelo oluphezulu oluphuhliswe zizixhobo zoxinzelelo oluphezulu azinalo ulwalathiso olukhethwayo kwaye ziyazahlula ngokwandiso olufanayo kuwo onke amacala esithubeni."Ukugqwethwa" kwamalungu, nakwiqondo lokushisa eliphezulu kunye noxinzelelo alubandakanywa.
Izinto eziluncedo kwi-PTFE-lining:
* Amandla aphezulu okucaphuka, ngokufutshane ukuya kuthi ga ku +260 °C* Uxinzelelo-luqine ukuya kuthi ga kwiibhari ezingama-200* Ukuxhathisa kwendalo kwimichiza, nkqu neeasidi ezinobundlobongela kunye nealkali* Ayinabuqholisi* Ayinangcoliseko
Ixesha lokuthumela: Jun-06-2017