Ka tlhahiso ea indasteri le litsing tsa sechaba, Balofo ea bolo e nang le Whee ea letsohole sebelisoa haholo liphaepheng tse fapaneng tsa phano ea mokelikeli ka lebaka la ts'ebetso ea eona e bonolo le taolo e nepahetseng ea phallo. Leha ho le joalo, ho sa tsotellehe maemo a rarahaneng le a fapa-fapaneng a mecha ea phatlalatso, ts'ebetso ea eona e khahlanong le{1}}kharollo ke ea bohlokoa, e amanang ka kotloloho le bophelo ba ts'ebeletso ea valve, botsitso ba ts'ebetso ea sistimi le polokeho. Joale, u ka etsa bonnete ba hore -ha ho na ho bola ha Ball Valve With Hand Wheel? Sena se fetohile sepheo sa basebetsi ba bangata ba indasteri.
Tafole ea likateng
● Khetho ea lintho tse bonahalang ke motheo
1. Lisebelisuoa tsa tšepe tse sa khoneng ho bola-
2. Lisebelisuoa tse seng-tse thibelang kutu{2}}tsa tšepe
● Kalafo ea holim'a metsi e matlafatsa tšireletso
1. Tšireletso ea ho roala
2. Phekolo ea Passivation
● Moralo oa sebopeho o thusa ho sireletsa ho bola
1. Ho tiisa sebopeho sa optimization
2. Moralo oa ho ntša metsi le ho ntša metsi
● Tlhokomelo ke ea bohlokoa haholo
1. Ho hlahloba kamehla
2. Ho hloekisa le ho hlokomela
●Qetello
1. Lisebelisuoa tsa tšepe tse sa khoneng ho bola-
Lisebelisoa tsa tšepe e sa hloekang:Li-valve tse ngata tsa boleng bo holimo{{0}tse nang le mabili a matsoho li entsoe ka tšepe e sa hloekang, joalo ka 304, 316L le mefuta e meng. Nka 316L tšepe e sa hloekang e le mohlala. E na le molybdenum, e khonang ho thibela ho bola ha chloride 'me e sebetsa hantle ka lik'hemik'hale, ho hloekisa metsi a leoatle le liindasteri tse ling. Ka mohlala, ha lik'hamphani tsa lik'hemik'hale li tsamaisa metsi a senyang a nang le li-ion tsa chloride, li-valve tsa bolo ea tšepe tse 316L li ka sebetsa ka mokhoa o tsitsitseng nako e telele 'me tsa fokotsa kotsi ea ho bola.
Li-alloys tse khethehileng:Bakeng sa libaka tse ling tse senyang ka ho feteletseng, tse kang mocheso o phahameng, khatello e phahameng le maemo a matla a ho senya, ho tla khethoa li-alloys tse khethehileng tse kang Hastelloy le Monel. Li-alloys tsena li na le khanyetso e ntle ea kutu 'me li khona ho mamella khoholeho ea mefuta e fapaneng ea li-acid tse matla le li-alkali tse matla. Ts'ebetsong ea ho hloekisa peterole, ha u sebetsana le mecha ea litaba e senyang haholo e kang mahlaseli a mangata a hydrogen sulfide, li-valve tsa bolo tse entsoeng ka Hastelloy li ka netefatsa ts'ebetso e sireletsehileng ea tsamaiso.
2. Lisebelisuoa tse se nang-metallic corrosion{2}}lisebelisoa tse manganga
Lisebelisoa tsa polasetiki:Lipolasetiki tse kang polytetrafluoroethylene (PTFE) li atisa ho sebelisoa sebakeng sa ho tiisa, lesela la setulo sa valve le likarolo tse ling tsa li-valve tsa bolo. PTFE e na le botsitso bo botle ba lik'hemik'hale, e hanana le kutu ke hoo e batlang e le mecha ea litaba ea lik'hemik'hale, e na le coefficient e tlase ea likhohlano le tiiso e ntle. Indasteri ea lijo le lino, ha ho tsamaisoa lihlahisoa tsa lijo tse nang le asiti kapa alkaline, tšebeliso ea PTFE-li-valve tse tiisitsoeng tsa bolo e ke ke ea netefatsa phano ea mokelikeli feela, empa hape e qoba ho bola le ho silafala ha li-valve. .
Lisebelisoa tsa rabara:Rabara ea tlhaho, rabara ea chloroprene, rabara ea nitrile le lisebelisoa tse ling tsa rabara li na le mamello e ntle ho mecha ea litaba e senyang ka har'a mocheso o itseng le khatello, 'me hangata li sebelisoa e le li-gaskets, O{0}}rings le likarolo tse ling tse koalang. Kaho ea phepelo ea metsi le tsamaiso ea ho ntša metsi, li-valve tsa rabara{2}}tse tiisitsoeng tsa libolo li ka thibela ho lutla ha metsi le ho thibela ho bola ha ho latela lik'hemik'hale metsing.
Kalafo ea holim'a metsi e matlafatsa tšireletso
1. Tšireletso ea ho koahela
Ho roala ka tšepe:Ka ho fafatsa ka ho fafatsa, ho etsa electroplating le mekhoa e meng, lera la tšepe -e hananang le ho bola, joalo ka zinki le nickel coating, li koaheloa ka holim'a valve ea bolo. Thermal spray zinc coat e ka theha lera le ts'ireletso e teteaneng holim'a valve ea bolo ea tšepe, ea arola moea le mecha ea litaba e senyang ka nepo, ea ntlafatsa ho hanyetsa kutu ea valve ea bolo tikolohong ea sepakapaka kapa tikoloho e senyang hanyenyane, 'me e sebelisoa haholo ts'ireletsong ea li-valve tsa bolo lits'ebetsong tsa liphaephe tsa kantle. .
Melaetsa e seng-ea tšepe:Liaparo tsa tlhaho tse kang epoxy coating le polyurethane coating li ka fana ka khanyetso e ntle ea kutu. Ho roala ha epoxy ho na le ho khomarela ka matla le k'hemik'hale e ntle ea ho senya lik'hemik'hale, 'me e ka sireletsa ka katleho holim'a valve ea bolo ho tloha khoholehong ke asiti, alkali le mecha e meng ea litaba. Litsing tsa ho hloekisa likhoerekhoere, li-valve tsa bolo tse sebelisetsoang ho tsamaisa likhoerekhoere li ka lelefatsa bophelo ba tsona ba ts'ebeletso ka mor'a kalafo ea epoxy coating. .
2. Phekolo ea Passivation
Phekolo ea passivation ea li-valve tsa bolo ea tšepe e sa hloekang e ka etsa filimi e tsitsitseng le e teteaneng ea oxide holim'a eona, e matlafatsa ho hanyetsa ha kutu ea tšepe e sa hloekang. Nakong ea ts'ebetso ea passivation, tharollo ea lik'hemik'hale e itseng e sebetsana le bokaholimo ba tšepe e sa hloekang ho ntlafatsa karolo ea chromium ka holim'a metsi, ho etsa filimi e matla ea passivation, e thibelang ka katleho mathata a kang pitting corrosion le crevice corrosion ea tšepe e sa hloekang nakong ea tšebeliso.
Moralo oa sebopeho o thusa ts'ireletso ea kutu
1. Ntlafatsa sebopeho sa ho tiisa
Fokotsa likheo le li-angles tse shoeleng:Rala ka mokhoa o hlakileng sebopeho sa tiiso ea valve ea bolo ho fokotsa sebaka sa ho boloka mokelikeli ka hare ho valve le ho qoba ho thehoa ha crevice corrosion. Mohlala, moralo o hlophisitsoeng oa setulo sa bolo le li-valve o sebelisoa ho lumella mokelikeli hore o fete hantle, ho fokotsa kotsi ea ho beoa ha mahareng le ho bola ka har'a valve. Liphaepheng tsa lik'hemik'hale, valve ena ea bolo e ntlafalitsoeng e ka thibela mecha ea litaba e senyang ho bokellana ka har'a likheo le ho fokotsa monyetla oa ho bola. .
Lisebelisoa tse khethehileng tsa ho tiisa le meaho:Mohaho oa ho tiisa o nang le ts'ebetso ea ho itlhoekisa o sebelisoa, o kopantsoe le ho senya{1}}lisebelisoa tse tiisitsoeng tse manganga, joalo ka ts'ebeliso ea mehele ea PTFE e nang le melomo ka har'a li-valve tse ling tsa bolo, e ke keng ea ntlafatsa ts'ebetso ea ho tiisa feela, empa hape e hohola litšila holim'a bolo e bakang ho koala le ho thibela ts'ebetso ea ho koala le ho thibela ho koala. .
2. Moralo oa drainage le exhaust
Likoti tse nang le metsi le likoti tsa ho qeta li behiloe ka har'a sebopeho sa belofo ea bolo ho tlosa mokelikeli o bokelitsoeng le khase e hlahisoang ka har'a valve ka lebaka la liphetoho tsa mocheso, condensation e bohareng, joalo-joalo, ho qoba ho bola ha likarolo tse ka hare tsa valve ke mokelikeli o bokelitsoeng. Balofo ea bolo e phaepheng ea phepelo ea mouoane e ntša metsi a koalehileng ka lesoba la drain ka nako ho thibela metsi ho senya likarolo tsa tšepe tsa valve le ho netefatsa ts'ebetso e tloaelehileng ea valve.
1. Tlhahlobo ea kamehla
Tlhahlobo ea ponahalo:Kamehla hlahloba hore na ho na le mats'oao a kutu holim'a valafo ea bolo, joalo ka mafome a ruse, coating shed, joalo-joalo. Bakeng sa likarolo tse fumanweng, li lokise ka nako, joalo ka{1}}ho sebelisa{2}}pente e thibelang ho bola, joalo-joalo. Litlhahlobong tsa letsatsi le letsatsi, basebetsi ba ka fumana mathata a pele a ho rusoa le lisebelisoa tsa pono ka ho lekanya boteng ba bothata ba ho senya. .
Tlhahlobo ea ka hare:Hlakola valve ea bolo khafetsa ho lekola ho bola ha likarolo tsa kahare joalo ka bolo, setulo sa valve le litiiso. Bakeng sa likarolo tse chefo haholo, li nkele sebaka ka nako. Lik'hamphaning tsa petrochemical, ho latela ho bola le makhetlo a mangata a ts'ebeliso ea mochini oa tšebetso, potoloho e tiileng ea tlhahlobo ea kahare ea valve ea bolo e etsoa ho netefatsa ts'ebetso e bolokehileng ea valve. .
2. Ho hloekisa le ho hlokomela
Ho hloekisa mahareng:Netefatsa bohloeki ba mochini o tsamaisang thepa le ho fokotsa ho senyeha le ho bola ha valve ke litšila tse bohareng. Ka ho kenya li-filters le lisebelisoa tse ling, sefa litšila tse itseng bohareng le ho fokotsa khoholeho ea litšila holim'a ho tiisa le likarolo tse ka hare tsa valve ea bolo. Indastering ea ho lokisa lijo, ho sefa hantle ha mokelikeli o tala pele o o fetisa ka valve ea bolo ho ka sireletsa valve ka katleho. .
Ho hloekisa bokaholimo:Kamehla hloekisa bokaholimo ba valve ea bolo ho tlosa sebaka se senyang se khomaretsoeng holimo. Bakeng sa li-valve tsa bolo tse sebelisoang ka ntle kapa libakeng tse thata,{1}lithunya tsa metsi tse hatelletsoeng ka matla kapa lisebelisoa tse khethehileng tsa ho hloekisa li ka sebelisoa ho hloekisa bokaholimo ba valve ho bo boloka bo hloekile le ho fokotsa kotsi ea ho bola. .
Lubrication le tlhokomelo:Kamehla lubricate stem ea valve le likarolo tse ling tse tsamaeang tsa valve ea bolo, u sebelisa litlolo tse lumellanang le lisebelisoa tse mahareng le tsa valve, tse ke keng tsa netefatsa feela ho feto-fetoha ha ts'ebetso ea li-valve, empa hape li thibela kutu ho isa bohōleng bo itseng. Lits'ebetsong tsa liphaephe tsa indasteri, ho eketsa grease ho stem valve ea bolo ho ea ka potoloho e behiloeng ea tlhokomelo ho ka eketsa bophelo ba tšebeletso ea sekhahla sa valve le ho netefatsa ho bula le ho koaloa ho tloaelehileng ha valve.
Tiisetso e thibelang{0}corrosion tshebetso yaBalofo ea bolo e nang le Wheel ea letsoho ke morero o hlophisitsoeng, ho tloha ho khetho e hlokolosi ea lisebelisoa, ts'ebeliso ea mekhoa e tsoetseng pele ea phekolo ea holim'a metsi, ho ea ho moralo o utloahalang oa moralo le mehato e phethahetseng ea tlhokomelo, sehokelo se seng le se seng se amana haufi-ufi. Ke feela ka ho kenya tshebetsong maano ana a thibelang{1}} ka botlalo re ka netefatsang hore valve ya bolo e nang le lebidi la letsoho ka mehla e boloka tshebetso e ntle ya-e thibelang kutu ka tlasa maemo a fapaneng a thata le a boima a tshebetso, e sebetsa ka botsitso le ka botshepehi, le ho felehetsa mefuta e fapaneng ya ho tsamaisa lero ho hlahisoeng ha indasteri le bophelong ba setjhaba. Ka tsoelopele e tsoelang pele ea mahlale a thepa le thekenoloji ea tlhahiso, ho lumeloa hore tšebetso e khahlanong le{4}}ea kutu ea li-valve tse nang le mabili a letsoho e tla ntlafatsoa le ho feta nakong e tlang, 'me sebaka sa ts'ebeliso e tla ba se pharaletseng haholoanyane.
