Ukonakala kwesitywina sevalve yomphunga ngoyena nobangela wokuvuza kwangaphakathi kwevalve. Kukho izizathu ezininzi zokungaphumeleli kwesitywina se-valve, phakathi kwayo ukungaphumeleli kwesibini sokutywinwa okuhlanganiswe nesiseko se-valve kunye nesihlalo sesona sizathu.
Kukho izizathu ezininzi zomonakalo wokutywinwa komphezulu wevalve, kubandakanywa ukunxitywa komatshini kunye nokukhukuliseka kwesantya esiphezulu okubangelwa kukukhethwa okungalunganga, i-cavitation yeendaba, ukubola okuhlukeneyo, ukuxutywa kokungcola, ukukhethwa kwesiseko sevalve kunye nesihlalo kunye nenkqubo yokucoca ubushushu, ukuguqulwa kwesibini sokutywina okubangelwa yihamile yamanzi, njl njl. Umzimba kunye nomzimba wevalvu, kunye nomahluko woxinaniso ophakathi, umahluko wokuxinana kweoksijini, njl.njl., uya kuvelisa umahluko onokwenzeka, ukonakala kwe-electrochemical kuya kwenzeka, kwaye indawo yokutywina kwicala le-anode iya kukhukuliseka. Ukhukuliseko lwekhemikhali oluphakathi, okuphakathi kufutshane nomphezulu wokutywina kuya kusebenza ngokuthe ngqo kwikhemikhali kunye nomphezulu wokutywina ngaphandle kokuvelisa umsinga, ukhukulise umphezulu wokutywina.
Ukuguguleka kunye ne-cavitation ye-medium, okuyisiphumo sokugqoka, ukutshitshiswa kunye ne-cavitation yendawo yokutywina xa i-medium isebenza. Xa i-medium ikwisantya esithile, amasuntswana amahle adadayo phakathi angqubana nendawo yokutywina, ebangela umonakalo wendawo, kunye nesantya esiphezulu esishukumayo sihlamba ngqo umphezulu wokutywina, okwenza umonakalo wendawo. Ukuchaphazela umphezulu wokutywina, kubangela umonakalo wendawo. Ukhukuliseko oluphakathi kunye nesenzo esitshintshanayo sokhukuliseko lwekhemikhali luya kuwukhukulisa ngamandla umphezulu wokutywina. Umonakalo obangelwa kukukhetha okungafanelekanga kunye nokuphathwa kakubi. Ibonakaliswe ngokukodwa ukuba i-valve ayikhethwanga ngokwemiqathango yokusebenza, kwaye i-valve yokuvala i-valve isetyenziswe njenge-valve ye-throttle, ekhokelela ekunyanzeliseni ukuvala ngokugqithiseleyo kunye nokuvalwa ngokukhawuleza okanye ukuvalwa kakubi, okubangela ukuba indawo yokutywinwa ikhutshwe kwaye igugile.
Umgangatho wokucubungula umphezulu wokutywina awulungile, ubonakaliswe ngokukodwa kwiziphene ezifana nokuqhekeka, i-pores kunye ne-ballast kwindawo yokutywinwa, okubangelwa ukhetho olungafanelekanga lwe-surfacing kunye nenkcazo yonyango lobushushu kunye nokunyanzeliswa kakubi ngexesha lokujonga kunye nokuphathwa kobushushu, kwaye indawo yokutywina inzima kakhulu. Ukuba iphantsi kakhulu, ibangelwa kukukhethwa kwezinto ezingalunganga okanye unyango olungafanelekanga lokushisa. Ubunzima bomphezulu wokutywina abulingani kwaye abukwazi ukumelana nokuhlwa. ye. Ukufakela okungafanelekanga kunye nokugcinwa kakubi kukhokelela ekusebenzeni okungaqhelekanga kwendawo yokutywina, kwaye i-valve isebenza ngendlela enesifo, eyonakalisa ngokukhawuleza indawo yokutywinwa. Ngamanye amaxesha ukusebenza ngokukhohlakeleyo kunye nokuvala ngokugqithisileyo kukwazizathu zokungaphumeleli kwendawo yokutywina, kodwa kaninzi akulula ukuyifumana kunye nokugweba.
I-jam yokungcola yingxaki eqhelekileyo, kuba i-welding slag kunye ne-gasket engaphezulu kwezinto ezingahlanjululwanga kwi-welding yeepayipi ze-steam, kunye nokunyuka kunye nokuwa kwenkqubo ye-steam yizona zizathu zokungcola. Ukuba isihluzo se-100 se-mesh yomphunga asifakwanga phambi kwevalve yolawulo, kulula kakhulu ukonakalisa umphezulu wokutywina obangelwa yijam. Ingabonwa ukuba izizathu zomonakalo kumphezulu wokutywina zingashwankathelwa njengomonakalo owenziwe ngumntu kunye nomonakalo wokusetyenziswa. Umonakalo owenziwe ngumntu ubangelwa zizinto ezifana noyilo olulambathayo, ukwenziwa kakubi, ukukhetha izinto ngendlela engafanelekanga, ukufakwa ngokungafanelekanga, ukusetyenziswa kakubi kunye nokugcinwa kakubi. Umonakalo wesicelo kukuguga kunye nokukrazula kwevalve phantsi kweemeko eziqhelekileyo zokusebenza, kwaye ngumonakalo obangelwa ukhukuliseko olungenakuphepheka kunye nokukhukuliseka kwendawo yokutywina ngokuphakathi. Ukuthintela umonakalo kunokunciphisa ilahleko kunye nokwandisa ubomi benkonzo. Kungakhathaliseki ukuba luhlobo luni lomonakalo, khetha i-valve efanelekileyo yomphunga ngokuchanekileyo, faka, ulungiselele kwaye ulungise ngokuhambelana ngokungqongqo kunye nencwadana yokufakela. Ukugcinwa rhoqo kukwandisa ubomi bevalve kunye nokunciphisa ukuvuza okubangelwa ngumonakalo kwindawo yokutywina.
Ixesha lokuposa: Oct-28-2022