I-Corrosion{0}}Imelana Kangakanani Impahla Yamasondo Esandla Evalufa?

Emkhakheni wezimboni, ama-valve ayizingxenye zokulawula ezibalulekile ezinhlelweni zokulethwa koketshezi, futhi ukuthembeka kokusebenza kwazo kubalulekile. I-Valve Hand Wheels iyimishini ebalulekile yama-valve okusebenza, futhi ukumelana nokugqwala kwezinto zabo kuthinta ngqo impilo yesevisi ye-valve, ukuzinza kokusebenza, nokuphepha kwalo lonke uhlelo.

Okuqukethwe

1. Ukuhlelwa kwezinto ezivamile zamasondo ama-Valve Hand Wheels

2. Ukuhlolwa kokumelana nokugqwala kwezinto zokwakha zamasondo e-Valve Hand Wheels ezindaweni ezihlukene zezimboni

3. Izindlela zokuhlola nokuqhathaniswa kwedatha yokumelana nokugqwala kwezinto

4. Izinyathelo zokuthuthukisa ukumelana nokugqwala kwezinto ze-Valve Hand Wheels

5. Isiphetho

1. Ukuhlelwa kwezinto ezivamile zamasondo ama-Valve Hand Wheels

● Izinto zensimbi

Insimbi ye-Carbon: Insimbi ye-Carbon iyinto evamile futhi engabizi kakhulu-. Ezimweni ezijwayelekile ezomile kanye{2}}nemidiya engagqwali, i-carbon steelamasondo esandla se-valveingagcina izakhiwo ezinhle zemishini nokubukeka. Kodwa-ke, uma usuchayeke emoyeni oswakeme, emanzini nasemithonjeni yamakhemikhali ebolayo, i-carbon steel kulula kakhulu ukuyi-oxidize futhi ikhiqize ukugqwala, okuthinta ukubukeka kwesondo lesandla. Ezimweni ezimbi kakhulu, kungase kunciphise amandla ayo okusebenza futhi kubangele ukwehluleka kokusebenza. Isibonelo, kwezinye izindawo ze-warehouse ezinomswakama ophezulu, amasondo esandla e-carbon steel angazange athole ukwelashwa okukhethekile{3}}okugqwala angase abe namabala okugqwala asobala ezinyangeni ezimbalwa nje.

Insimbi engagqwali: Insimbi engagqwali isetshenziswa kakhulu ekwenzeni amasondo esandla se-valve ngenxa yokumelana nokugqwala kwayo okuhle. Ezivamile 304 insimbi engagqwali kanye 316 insimbi engagqwali{3}} insimbi engagqwali inezinga elithile lokumelana nokugqwala futhi ingamelana nemithombo yemali ebuthaka efana nomkhathi namanzi. Ezimweni ezijwayelekile zasendlini nakwezinye izimo zezimboni ezinezidingo eziphansi zokumelana nokugqwala, amasondo esandla ensimbi engagqwali angu-304 asebenza ngokuzinzile. Kodwa-ke, ezindaweni eziqukethe ama-ion abolayo njengama-ion e-chloride, ukumelana nokugqwala kwawo kuzophonswa inselelo. Ngokuphambene nalokho, insimbi engagqwali engu-316 ithuthukise kakhulu ukumelana kwayo nemithombo yezindaba ebolayo njengama-chloride ngenxa yokwengezwa kwe-molybdenum, futhi isetshenziswa kabanzi ezindaweni zasolwandle, izimboni zamakhemikhali nezinye izimboni. Ezitshalweni zamakhemikhali ezindaweni ezisogwini, amasondo amavalvu esandla enziwe ngensimbi engagqwali engu-316 angagcina ukusebenza kahle esimweni sokuhlangana{11}}nesikhathi eside nenkungu yamanzi olwandle nezinto zokusetshenziswa zamakhemikhali, futhi impilo yesevisi ingaba iminyaka embalwa noma ngaphezulu. .

Ingxubevange yethusi: Ingxubevange yethusi ine-conductivity enhle ye-thermal, conductivity kagesi kanye nokumelana nokugqwala okuthile. Ezivamile zethusi nezethusi. I-Brass inokumelana nokugqwala okuhle endaweni yomoya, futhi ifilimu ye-oxide izokwakheka phezulu ukuvimbela ukugqwala okuqhubekayo. Kodwa-ke, kweminye imithombo ye-acidic, ukumelana nokugqwala kwethusi kuzokwehla. I-bronze inokumelana kangcono nokugqwala kwamanzi olwandle. Emkhakheni wokwakha imikhumbi, ithusiIsondo Lesandla KuValveasetshenziswa kakhulu ukulawula amavalvu amanzi olwandle, angamelana ngempumelelo nokuguguleka kwamanzi olwandle futhi aqinisekise-ukusebenza okuzinzile kwesikhathi eside kwesistimu yamavalvu omkhumbi.

● Izinto okungezona{0}}zensimbi

Ipulasitiki: Amasondo esandla seValve enziwe ngepulasitiki anezinzuzo zesisindo esilula, izindleko eziphansi, ukwahlukanisa okuhle, njll., futhi akhombisa ukumelana nokugqwala okuhle kweminye imithombo yezindaba yamakhemikhali. Isibonelo, amasondo esandla enziwe nge-polypropylene (PP) anokubekezelela okuhle kwezixazululo eziningi ze-asidi, i-alkali, nosawoti. Kwezinye izimboni zamakhemikhali, zokudla neziphuzo, zisetshenziselwa ukulawula amavalvu emithombo ethile yoketshezi noma yegesi engagqwali kakhulu. Kodwa-ke, amandla emishini yezinto zepulasitiki aphansi, futhi kulula ukuwohloka ezindaweni zokushisa okuphezulu. Bangase baguge uma bechayeka elangeni isikhathi eside, kuphazamise impilo yabo yesevisi kanye nokungagqwali. .

Irabha: Izinto zenjoloba zivame ukusetshenziswa kwamanye amasondo amavalvu esandla adinga ukuvalwa okungcono nokusebenza kokubhafa. Ngemuva kokwenziwa nge-vulcanization, irabha yemvelo inokumelana nokugqwala okuthile-ku-oxidizing acid, ama-alkali, nosawoti. Kodwa-ke, kuma-oxidants aqinile (njenge-nitric acid, i-sulfuric acid egxilile, njll.), imikhiqizo ye-petroleum, nezinye izincibilikisi ezithile eziphilayo, irabha izovuvukala, iguge, kanye nezinye izenzakalo, okuholela ekonakaleni kokusebenza. Kodwa-ke, kwezinye izinga lokushisa elivamile,{5}}amasistimu amanzi angagqwali kakhulu noma amasistimu egesi yomfutho ophansi-, izivalo zamasondo erabha ezandla zingadlala indima ephumelelayo futhi zibe nezinga elithile lokumelana nokugqwala.

2. Ukuhlolwa kokumelana nokugqwala kwezinto zokwakha zamasondo e-Valve Hand Wheels ezindaweni ezihlukene zezimboni

1. Imboni Yamakhemikhali

Imboni yamakhemikhali ihilela imithombo eminingi yamakhemikhali egqwala kakhulu, njengama-asidi aqinile njenge-sulfuric acid, i-hydrochloric acid, ne-nitric acid, ama-alkali aqinile njenge-sodium hydroxide, nezixube ezihlukahlukene zikasawoti. Esimweni esinjalo, ukumelana nokugqwala kwempahla yesondo lesandla se-valve kuphezulu kakhulu. Isibonelo, endaweni yokusebenzela yokukhiqiza i-sulfuric acid, i-valve idinga ukuvulwa futhi ivalwe njalo ukuze kulawulwe ukugeleza kwe-sulfuric acid. Uma kusetshenziswa isondo lesandla sensimbi ye-carbon, maduze nje lizogqwala yi-sulfuric acid, okuholela ekuhlulekeni ukusebenza ngendlela evamile. Ngalesi sikhathi, insimbi ye-alloy ephezulu (njengensimbi engagqwali equkethe i-chromium ephezulu ne-nickel ephezulu) noma izinto ezikhethekile ezilwa{4}}nokugqwala zisetshenziselwa ukwenza amasondo esandla ukuhlangabezana nezidingo-zokusetshenziswa kwesikhathi eside. Ngokwezibalo ezifanele, embonini yamakhemikhali, izindleko zokukhanda noma ukushintshwa kwamavalvu ngenxa yokumelana nokugqwala okunganele kwento ebalulekile kuhlanganisa u-30% - 40% wesamba sezindleko zokulungisa izinto zokusebenza. .

2. Imboni yasolwandle

Indawo yasolwandle ibonakala ngokuba nosawoti omningi, umswakama ophezulu, nokuguguleka kwamanzi olwandle. Emikhumbini, isistimu ye-valve idinga ukusetshenziswa njalo ukulawula ukungena nokuphuma kwamanzi olwandle, ukulawulwa kwamanzi e-ballast, njll. Ingxenye eyinhloko yamanzi olwandle i-sodium chloride, edla kakhulu izinto zensimbi. Isibonelo, emkhunjini omncane ongazange uthathe izinyathelo ezifanele zokulwa{3}}nokugqwala, i-carbon steel Valve Hand Wheels yayinemigodi eyingozi kakhulu yokugqwala phezulu ngemva kwesigamu sonyaka isetshenziswa, okwenza kube nzima kakhulu ukusebenza. Kodwa-ke, amasondo esandla enziwe ngethusi noma insimbi engagqwali engu-316 angasetshenziswa ngokuzinza endaweni yasolwandle iminyaka eminingana, athuthukise kakhulu ukwethembeka nokuphila kwesevisi yesistimu ye-valve yomkhumbi. Ezindaweni ezinkulu ezinjengamapulatifomu angasogwini, izidingo zokungagqwali zezinto ezisetshenziswa ngamasondo ezandla zamavalvu ziqine kakhulu. Ngaphezu kokusebenzisa{8}ikhwalithi ephezulu ukugqwala{9}}izinto zensimbi ezingazweli, ukwelapha okwengeziwe{10}}okuhlanganisa ukugqwala kwenziwa ukuze kuqinisekiswe{11}}ukusebenza okuzinzile kwesikhathi eside ezindaweni zasolwandle ezinonya. .

3. Imboni yokudla neziphuzo

Imboni yokudla neziphuzo inezidingo eziphezulu kakhulu zenhlanzeko, futhi ezinye izinqubo zokukhiqiza zizophinde zihlangane nemithombo yezindaba eyonakalisayo, njengeziphuzo ezine-asidi, okokuhlanza, njll. Kule ndawo,Isondo lesandla se-Gate Valveakumele nje ibe nokumelana nokugqwala okuhle, kodwa futhi ihlangabezane nenhlanzeko yokudla kanye nezindinganiso zokuphepha. Izinto zepulasitiki (ezifana ne-PP, PE, njll. ezihlangabezana nezindinganiso zebanga lokudla) kanye nezinto zensimbi engagqwali zisetshenziswa kabanzi kulo mkhakha. Izinto zepulasitiki zingamelana ngokuphumelelayo nokugqwala okuvela eziphuzweni ezine-asidi futhi azijwayele ukukhula kwamagciwane; izinto zensimbi engagqwali zinokumelana nokugqwala okuhle kanye nenhlanzeko, futhi indawo engaphezulu ibushelelezi futhi kulula ukuyihlanza.

3. Izindlela zokuhlola nokuqhathaniswa kwedatha yokumelana nokugqwala kwezinto

●Ukuhlolwa kwesifutho sikasawoti

Ukuhlolwa kwesifutho sikasawoti kuyindlela evame ukusetshenziswa yokuhlola ukumelana nokugqwala kwezinto. Ezingeni elithile lokushisa (imvamisa engu-35 degree), umswakama ohlobene (cishe u-95%), kanye nokugxiliswa kwesifutho sikasawoti (ikakhulukazi i-NaCl), impahla yokuhlola iyahlolwa ukuze kutholwe ukumelana kwayo nokugqwala kwesifutho sikasawoti. Okulandelayo ukuqhathanisa idatha ethile evela ekuhlolweni kwesifutho sikasawoti ezintweni ezimbalwa ezivamile zamasondo amasondo esandla

Idatha ibonisa ukuthi endaweni yokuhlola isifutho sikasawoti, ukumelana nokugqwala kwezinto ezihlukene kuyehluka kakhulu. Insimbi yekhabhoni inokumelana nokugqwala okubi kakhulu, futhi ukugqwala okukhulu kwenzeka ngesikhathi esifushane; Insimbi engagqwali engu-304 nethusi inokumelana nokugqwala okuthile, kodwa uma kuqhathaniswa nensimbi engagqwali engu-316 ne-polypropylene (PP), ukumelana nokugqwala kwabo kusekude; I-316 insimbi engagqwali kanye ne-polypropylene (PP) ibonisa ukumelana kahle nokugqwala kwesifutho sikasawoti, ikakhulukazi i-polypropylene (PP), cishe engenalo ushintsho olusobala ekuhlolweni-kasawoti kwesifutho sesikhathi eside. .

● Ukuhlolwa kokucwiliswa kwamakhemikhali okuphakathi nendawo

Ukuze ulingise ngokweqiniso abezindaba zamakhemikhali lokhoIsondo Lesandla Ku-Stop Valvezivezwe ezindaweni ezihlukene zezimboni, ukuhlolwa kokucwiliswa kwamakhemikhali okuphakathi nakho kuyenziwa. Kukhethwa imidiya yamakhemikhali eminingana evamile, njengesixazululo se-sulfuric acid esingu-5%, isisombululo se-sodium hydroxide esingu-10%, isisombululo se-sodium chloride esingu-3%, njll., kanye namasampula esondo esandla sezinto ezahlukene acwiliswa kuwo ukuze abone izimo zokugqwala kwawo. Okulandelayo ukusebenza kwezinye izinto ngemva kokucwiliswa emithonjeni yamakhemikhali ehlukene isikhathi esithile:

Idatha ibonisa ukuthi ekuhlolweni kokucwiliswa emithonjeni yamakhemikhali ehlukene, insimbi engagqwali engu-316 ne-polypropylene (PP) isabonise ukumelana nokugqwala okuhle, futhi kwakungekho mkhuba osobala wokugqwala emithonjeni yamakhemikhali ehlukahlukene{1}} insimbi engagqwali ibe nokugqwala okuthile kusixazululo se-sulfuric acid kanye ne-sodium chloride solution, kodwa idigri ye-carbon steel ne-bracor yokukhanya yayiyi-carbon steel. I-Carbon steel ibonise ukugqwala okukhulu kuyo yomithathu imidiya yamakhemikhali, okubonisa ukuthi ayifaneleki njengento yamasondo amavalvu esandla endaweni yamakhemikhali egqwalayo.

4. Izinyathelo zokuthuthukisa ukumelana nokugqwala kwezinto ze-Valve Hand Wheels

1. Ukwenza ngcono ukukhetha okubalulekile

Ngokwezindawo ezihlukene zokusetshenziswa nezici zemidiya, isihluthulelo sokuthuthukisa ukumelana nokugqwala kwamasondo esandla se-valve ukukhetha ngokunengqondo impahla yamasondo esandla se-valve. Ezindaweni ezonakalisa kakhulu, izinto zokwakha ezinokumelana nokugqwala okuqinile ziyakhethwa. Isibonelo, endaweni eqinile ye-asidi ne-alkali yemboni yamakhemikhali, insimbi ephezulu ye-alloy noma izinto ezikhethekile ze-alloy zikhethiwe; ezindaweni zasolwandle, kusetshenziswa insimbi engagqwali engu-316, ithusi nezinye izinto ezimelana nokugqwala kwamanzi olwandle; embonini yokudla neziphuzo, ipulasitiki noma izinto zensimbi engagqwali ezihlangabezana nezindinganiso zokuhlanzeka kokudla futhi ezinokumelana nokugqwala okuthile ziyakhethwa. .

2. Ukusetshenziswa kobuchwepheshe bokwelashwa kwendawo

Ukwelashwa kokumboza: Ukumboza ingaphezulu lamasondo esandla se-valve kuyindlela evamile yokuthuthukisa ukumelana nokugqwala. Isibonelo, okokufaka okushisayo{1}}kungenza isendlalelo se-zinc ebusweni bamasondo esandla ensimbi ye-carbon, okuhlukanise kahle umoya namanzi futhi kuthuthukise ukumelana nokugqwala kwawo. I-Hot-dip galvanizing coating isetshenziswa kakhulu kwezinyeIsondo Eliqinile Lesandlaesetshenziswa ngaphandle, enganweba impilo yesevisi yamasondo esandla izikhathi ezingu-2-3. Ukwengeza, kukhona ama-epoxy coatings, ama-polyurethane coatings, njll. Lezi zimbobo zinokunamathela okuhle nokungagqwali kwamakhemikhali, okunganikeza ukuvikeleka okwengeziwe kwamasondo esandla.​

I-Electroplating: I-Electroplating ibuye ibe ubuchwepheshe bokwelapha obusetshenziswa kakhulu endaweni. Ngokusebenzisa i-electroplating, ungqimba lwensimbi olunokumelana nokugqwala okuhle, njenge-chrome plating, i-nickel plating, njll., lungafakwa endaweni yensimbi. Isendlalelo se-chrome plating sinezinzuzo zobulukhuni obuphezulu, ukumelana nokugqokwa okuhle, nokumelana nokugqwala okuqinile, okungathuthukisa kakhulu ikhwalithi yokubukeka nokumelana nokugqwala kwesondo lesandla. Kwezinye izikhathi lapho izidingo zokubukeka ziphezulu kanye nezinga elithile lokumelana nokugqwala lidingeka, i-chrome-amasondo amavalvu agqinsiwe asetshenziswa kakhulu. .

3. Ukunakekelwa nokunakekelwa njalo

Ukugcinwa njalo nokunakekelwa kwamasondo esandla se-valve kungakwazi ukubona ngesikhathi futhi kubhekane nezinkinga ezingaba khona zokugqwala futhi kwandise impilo yabo yesevisi. Isibonelo, hlanza njalo isondo lesandla ukuze ususe ukungcola, uthuli kanye nemidiya egqwalayo engase ifakwe phezulu; hlola ukuthi azikho yini izimpawu zokugqwala ebusweni besondo lesandla. Uma kutholwe ukugqwala okuncane, kulungise ngesikhathi, njengokuyigcoba nge-sandpaper bese{2}}ukuyimboza kabusha. Kwezinye izindawo ezinkulu zezimboni, kuzokwenziwa uhlelo oluningiliziwe lokulungisa ama-valve, futhi kukhona nemithethonqubo ecacile nezinqubo zokusebenza zokunakekelwa kwesondo lesandla ukuze kuqinisekiswe ukusebenza{4}}okuzinzile kwesikhathi eside kwesistimu yamavalvu.

5. Isiphetho

Ukumelana nokugqwala kweI-Valve Hand Wheelsizinto zokwakha zihlobene nemiphumela yazo yokusetshenziswa ezimbonini ezahlukahlukene. Ngokuhlaziya ukumelana nokugqwala kwezinsimbi ezivamile kanye{1}}nezinto ezingezona ezensimbi kanye nokuhlolwa kwemvelo kwezimboni ezahlukene, kungabonakala ukuthi ukukhetha okunengqondo kwezinto ezibonakalayo, ukusetshenziswa kobuchwepheshe bokwelapha obusebenzayo, kanye nokunakekelwa okuvamile kuyisihluthulelo sokuthuthukisa ukumelana nokugqwala kwazo. Ngokuthuthuka kobuchwepheshe bezimboni, izidingo zokumelana nokugqwala kwezinto ze-Valve Hand Wheels zikhula kancane kancane. Izinkampani ezithintekayo zidinga ukuhambisana nenqubekelaphambili yesayensi yezinto futhi zithuthukise ukugqwala okungcono{4}} kwezinto ezivimbelayo ukuze kuhlangatshezwane nezidingo zemboni nokusiza imboni ukuthi ithuthuke kahle nangokuzinza.