Ivalvu yebhabhathane enganyangekiyo ngumhlwa efakwe i-fluoroplastickukubeka i-polytetrafluoroethylene resin (okanye iprofayili ecutshungulweyo) eludongeni lwangaphakathi lwentsimbi okanye intsimbi yentsimbi yevalvu yebhabhathane ephethe uxinzelelo okanye umphezulu wangaphandle wenxalenye yangaphakathi yevalvu yebhabhathane ngendlela yokubumba (okanye yokungenisa). Iimpawu ezikhethekileyo zeevalvu zebhabhathane ngokuchasene nemidiya enamandla ebolayo zenziwe zibe ziintlobo ezahlukeneyo zeevalvu zebhabhathane kunye nemithambo yoxinzelelo.
Kwizinto ezichasene nokugqwala, i-PTFE inentsebenzo egqwesileyo engenakuthelekiswa nanto. Ukongeza kwisinyithi esinyibilikisiweyo, i-fluorine ye-elemental kunye ne-aromatic hydrocarbons, ingasetyenziswa kwiindidi ezahlukeneyo ze-hydrochloric acid, i-sulfuric acid, i-nitric acid, i-aqua regia, i-organic acid, i-oxidant enamandla, i-concentrated, i-alternating dilute acid, i-alternating alkali kunye nee-organic agents ezahlukeneyo ziimpendulo ezingahleliweyo. I-Lining PTFE eludongeni lwangaphakathi lwe-butterfly valve ayipheleli nje ekunqobeni iintsilelo zamandla aphantsi ezinto ze-PTFE, kodwa ikwasombulula ingxaki yokumelana nokugqwala kwezinto ze-butterfly valve theme. Ukusebenza kakubi kunye neendleko eziphezulu. Ukongeza, ukongeza kuzinzo lwayo oluhle lweekhemikhali, i-PTFE ineempawu ezilungileyo zokuthintela ukungcola kunye nokunamathela, ii-coefficients ezincinci kakhulu ze-dynamic kunye ne-static friction, kunye nokusebenza okuhle kwe-anti-friction kunye ne-lubrication. Isetyenziswa njengesibini sokutywina ukuvula nokuvala ii-butterfly valves, kwaye kuyimfuneko ukunciphisa umphezulu wokutywina. Ukungqubana phakathi kwee-butterfly valves kunokuncipha, i-torque yokusebenza ye-butterfly valve inokuncipha, kwaye ubomi benkonzo yemveliso bunokuphuculwa.
Ivalvu yebhabhathane efakwe i-fluorine, eyaziwa ngokuba yivalvu yebhabhathane elwa nokugqwala, isetyenziswa rhoqo kwiimeko ezinzima zokusebenza, nokuba ziikhemikhali ezinobungozi neziyingozi, okanye iintlobo ezahlukeneyo ze-acid-base okanye izinyibilikisi zendalo ezingcolisayo kakhulu. Ukusetyenziswa gwenxa kuya kubangela ilahleko enkulu kwezoqoqosho kunye nobunzima ngenxa yoko. Ukusetyenziswa ngokuchanekileyo kunye nokugcinwa kwevalvu yebhabhathane kunokwandisa ubomi benkonzo yevalvu yebhabhathane ene-fluorine, ngoko ke zeziphi iinkcukacha ezinokwenziwa ukuyikhusela ngokufanelekileyo?
1. Ngaphambi kokuba uyisebenzise, funda ngononophelo incwadi yemiyalelo yevalvu yebhabhathane ene-fluorine.
2. Yisebenzise ngaphakathi koluhlu loxinzelelo, ubushushu kunye nomgangatho ochazwe kwi-nameplate okanye kwincwadi yemiyalelo.
3. Xa isetyenziswa, thintela ivalvu yebhabhathane efakwe ifluorine ukuba ingabi noxinzelelo olukhulu lwemibhobho ngenxa yotshintsho lobushushu, nciphisa utshintsho lobushushu, kwaye wongeze iindawo zokwandisa ezimile okwe-U ngaphambi nasemva kwevalvu yebhabhathane.
4. Akuvumelekanga ukusebenzisa i-lever ukuvula nokuvala ivalvu yebhabhathane ene-fluorine. Nika ingqalelo ukuze ujonge indawo yokubonisa ukuvulwa nokuvalwa kunye nesixhobo somda sevalvu yebhabhathane ene-fluorine. Emva kokuba ukuvulwa nokuvalwa kusendaweni, musa ukunyanzela ivalvu ukuba ivale, ukuze uphephe ukonakala kwangaphambili kumphezulu wokutywina iplastiki ye-fluorine.
5. Kwezinye iindawo ezingasebenzi kakuhle nezilula ukuzibolisa (umzekelo, ukubola kwezinye iindawo kuya kubangela ukwanda komthamo kwaye kubangele ukunyuka koxinzelelo olungaqhelekanga kwiimeko zokusebenza), okuya kubangela umonakalo okanye ukuvuza kwevalvu yebhabhathane, kufuneka kuthathwe amanyathelo okususa okanye ukunciphisa izinto ezibangela ukubola kweendawo ezingasebenzi kakuhle. Xa ukhetha ivalvu yebhabhathane, ivalvu yebhabhathane ene-fluorine enesixhobo sokunciphisa uxinzelelo oluzenzekelayo kufuneka ikhethwe kuthathelwa ingqalelo utshintsho olunokwenzeka kwiimeko zokusebenza olubangelwa kukubola okungazinzanga nokulula kwesixhobo.
6. Ngeivalvu yebhabhathane ene-fluorinekwipayipi enesiphene esinobuthi, esivuthayo, esiqhumayo nesinamandla okubola, akuvumelekanga ngokungqongqo ukutshintsha ipakeji phantsi koxinzelelo. Nangona ivalvu yebhabhathane ene-fluorine-lined inomsebenzi wokutywina ophezulu kuyilo, akukhuthazwa ukutshintsha ipakeji phantsi koxinzelelo.
7. Kwimibhobho ene-sponsive combustion medium, kufuneka kuthathwe amanyathelo okuqinisekisa ukuba ubushushu obuphakathi kunye nobushushu bemeko yokusebenza abunakudlula indawo yokutsha ezenzekelayo ye-sponsive medium ukuthintela ingozi ebangelwa kukukhanya kwelanga okanye umlilo wangaphandle.
Isixhobo esisebenzayo: amazinga ahlukeneyo eetyuwa ezisekelwe kwi-asidi kunye nezinye izinyibilikisi zendalo.
Ixesha lokuthumela: Novemba-08-2022
