Yiziphi izindlela zokukhiqiza ezingcono kakhulu zeshidi nepuleti lensimbi engagqwali?

• Ishidi livame ukukhethwa ukuze lenze izingxenye, ligobe, futhi libe nobuhle; ipuleti likhethwa ukuze lisetshenziswe ukuze liqine, liqine, futhi lithwale umthwalo.
• Ukukhethwa kwebanga kufanele kulandele imvelo kuqala: 304 yesevisi ejwayelekile, 316 yokuchayeka kakhulu ekugqwaleni, kanye no-430 wezinhlelo zokusebenza ezibiza kakhulu ezinengozi yokugqwala emaphakathi.
• Ukuphela kobuso, ukubekezelela ukujiya, kanye nesimo sobulukhuni kuthinta ngqo ukushibilika, ukwakheka, ukubukeka, kanye nokuqina kwengxenye yokugcina.
• Ukuthenga okusekelwe ekucacisweni kunciphisa ukwehluleka kokulahla, ukulungisa kabusha, kanye nokugqwala ngempumelelo kakhulu kunokukhetha ngentengo yodwa.

Kubathengi abaqhathanisayoishidi nepuleti lensimbi engagqwali, umbuzo obaluleke kakhulu awukona nje ukuthi “yimuphi umxube oshibhile?” kodwa “yimuphi ungqimba ozosinda endaweni yangempela ngezindleko eziphansi kakhulu.” Ekusebenzeni okubolayo, ukumelana nomgodi kuvame ukuphakamisa ukukhetha kwebanga, futhi ikhemistri yengxube ibalulekile: i-304 iqukethe cishe i-18% ye-chromium kanye ne-8% ye-nickel, kuyilapho i-316 ingeza i-molybdenum yokumelana okuthuthukisiwe kwe-chloride ngokusho kwedatha evamile yokuqokwa kwe-ASTM/imboni. Ukuze kube yisicaba kanye nokulawula ukujiya, i-ISO 9445 ihlanganisa umugqa wensimbi engagqwali ogoqwe ngokubandayo onobukhulu obuvela ku-0.10 mm kuya ku-3.00 mm, kuyilapho imikhiqizo yepuleti esindayo ivame ukukhethwa lapho ukuqina kwesakhiwo kuba yinto eza kuqala. Uma udinga ukubuka konke okubanzi kwezinto, bhekaikhoyili yensimbi engagqwali, iumucu wensimbi engagqwali, kanyeishidi lensimbi engagqwaliamakhasi okukhetha ifomethi ethile.

Yimaphi amashidi nepuleti lensimbi engagqwali ezisetshenziswa kangcono ekukhiqizeni

Ishidi nepuleti lensimbi engagqwali kusetshenziswa kangcono ekukhiqizeni lapho ingxenye kufanele imelane nokugqwala, igcine indawo ihlanzekile, noma ilethe ukusebenza okuzinzile ngemijikelezo ephindaphindwayo yokushisa neyemishini.

Yingakho zivela kaningi emigqeni yokudla, emathangini, ezindaweni zokuvala, ezintweni zokuthutha, nasezindaweni zokuhlanganisa izimboni ezenziwe. Ishidi kulula ukulisika, ukulibhuleka, ukulinyathela, nokulihlanganisa libe izingxenye ezakhiwe, kuyilapho ipuleti lingcono uma umklamo udinga isisindo, ukuqina, kanye nomthamo womthwalo.

Ngokombono wokuthola imithombo, leli gamaizinhlelo zokusebenza zeshidi lensimbi engagqwalingokuvamile imboza noma yini kusukela kumaphaneli ekhishi kuya ezindlini zomshini, kuyilapho ukusetshenziswa kwamapuleti kuncike ezisekelweni ezithwala ingcindezi, ozimele, izembozo, kanye nezingxenye zemishini esindayo. Uma ingxenye yakho idinga ukuphindaphindwa ngemva kokwenziwa, ngokuvamile kubaluleke kakhulu ukucacisa ukuqeda, ukubekezelela, kanye nesimo sobulukhuni kunokuthembela ngelebula elijwayelekile "lensimbi engagqwali".

Ishidi vs ipuleti: ukuthi ubukhulu bushintsha kanjani ukusetshenziswa kokukhiqiza

Ubukhulu buyindlela yokuqala yokuhlukanisa phakathi kweshidi nepuleti ngoba kushintsha kokubili ukuziphatha kokukhiqiza kanye nokusebenza kokusetshenziswa kokugcina.

Ishidi livame ukusetshenziselwa izingxenye ezigxiviziwe, ezigobile, ezidonswe ngokujulile, nezihlanganisiwe ngoba linikeza ukwakheka okungcono kanye nobunzima obuphansi. Ipuleti liyathandwa lapho umklamo kufanele umelane nokuguquguquka, usabalalise umthwalo, noma usinde ekushayweni nasekukhubekeni. Ekukhiqizeni, lowo mehluko uvame ukunquma ukuthi ingxenye ingenziwa yini emgqeni wokucindezela noma idinga ukusika nokulungisa okunzima.

Ezitshalweni eziningi, izinga elifanayo lingasetshenziswa kokubili ngesimo seshidi kanye nepuleti, kodwa indlela yokucubungula ishintsha umphumela. Ishidi eligoqekile ngokubandayo ngokuvamile linikeza ikhwalithi engcono yobuso kanye nokulawula okuqinile, kuyilapho ipuleti eligoqekile ngokushisayo livame ukuthandwa ngezigaba ezijiyile kanye nomsebenzi wokwakha.ipuleti lensimbi engagqwaliNgakho-ke ifomethi ilungele ngokwemvelo ukuhlanganiswa lapho ukuqina kubaluleke kakhulu kunokubukeka okuhle kwezimonyo.

Ukusetshenziswa kweshidi lensimbi engagqwali ekukhiqizeni ukudla, ezokwelapha, kanye nokuhlanzeka

Ukuhlanzeka kungenye yezizathu eziqine kakhulu ezenza abakhiqizi bakhethe ishidi nepuleti lensimbi engagqwali.

Imishini yokucubungula ukudla, imigqa yobisi, izingxenye zefektri, kanye nokwakhiwa kwekhishi lokuhweba konke kuzuza ezindaweni ezingenasici ezibekezelela ukuhlanza, ikhemikhali yokuhlanza, kanye nokujikeleza okuphindaphindiwe kokushisa. Kulezi zimo, isimo sobuso obubushelelezi sibalulekile ngoba ukuqeda okuqinile kungabamba izinsalela futhi kwandise isikhathi sokuhlanza. Izindonga zezokwelapha nezelebhu zisebenzisa ishidi elingenasici ngesizathu esifanayo: indawo engenazimbobo kulula ukuyihlanza nokuhlola.

Ngokusebenzisa izinto zokuhlanzeka, i-304 ivame ukuba yisinqumo esiyisisekelo, kuyilapho i-316 iba yinhle kakhulu uma ukuchayeka kwe-chloride kuyinto evamile, njengasezintweni zokuhlanza ezinamandla noma ezindaweni eziseduze nolwandle. Ngokusho kwe-ASTM A240/A240M, ishidi nepuleti elingagqwali kuyimikhiqizo ejwayelekile egoqekile eyisicaba yokucindezela kanye nezicelo ezijwayelekile, okwenza yamukelwe kabanzi ezinhlelweni zokuthengwa kwezimboni kanye nezokucaciswa. Ungabuyekeza indinganiso lapha:I-ASTM A240/A240M.

Kubathengi abakha izidingo zokuhlanzeka, ukutholakala okuzinzile kweshidi elihambisana nobukhulu ngokuvamile kubaluleke kakhulu njengekhemistri. Uma ukukhiqiza kwakho kuhilela umsebenzi wephaneli ophindaphindwayo, hlolaikhoyili yensimbi engagqwalikanyeumucu wensimbi engagqwaliamakhasi ngoba ukuguqulwa okufakwe yi-coil kunganciphisa ukuguquguquka phakathi kwemisebenzi emikhulu yokukhiqiza.

Ukusetshenziswa kwesakhiwo kanye nemishini yokuvala ishidi lensimbi engagqwali

Ukubukeka kanye nokumelana nokugqwala kwenza ishidi lensimbi engagqwali libe yinto eqinile yokukhetha izinto ezibonakalayo zezimboni nezakhiwo.

Ukumbozwa kwezakhiwo, ingaphakathi le-lifti, ingemuva lezimpawu, izibambo zezandla, amaphaneli emishini, kanye nezindawo zokugcina imishini ngokuvamile kuncike ephepheni elingagqwali ngoba indawo ingabhulashwa, ipholishwe, noma ithungwe ukuze kuhlangatshezwane nemigomo yokuklama kanye nokuqina. Ukuqeda okungu-2B kuvame ukusetshenziswa ephepheni elijwayelekile lezimboni ngoba kulinganisela ukubonakaliswa kanye nokucutshungulwa, kuyilapho ukuqeda okungu-BA noma ukuhlobisa kukhethwa lapho ukubukeka kuyinto eza kuqala.

Ezindaweni zokuvala imishini, ishidi elingagqwali linganciphisa nomthwalo wokulungisa. Uma liqhathaniswa nensimbi yekhabhoni ependiwe, ligwema ukwehluleka kokugqoka, ukugqwala komphetho, kanye nokuhlanza njalo ezindaweni ezinomswakama noma ezihlanza amanzi. Lokho kuwusizo ikakhulukazi ezindaweni zokukhiqiza lapho isikhathi sokungasebenzi sibiza ngaphezu kwentengo yezinto ezibonakalayo.

Umehluko obalulekile womklamo ukuthi ukusebenza kokuhlobisa kanye nokusebenza kokwenziwa akuhambisani ngaso sonke isikhathi. Ukuqeda okufana nesibuko kungabonisa imihuzuko kalula, kuyilapho ukuqeda okungacwebezeli kungafihla ukuguguleka kangcono kodwa kunikeze umphumela ohlukile obonakalayo. Kumaphrojekthi adinga ukuqeda okufanayo kubahlinzeki abaningi, imininingwane yendawo kufanele ibhalwe ngokucacile esigabeni sokuthenga, hhayi ukuthi kucatshangelwe kamuva.

Ukusetshenziswa kwasolwandle, amakhemikhali, kanye nangaphandle: lapho i-316 ikufanele

I-316 ivame ukuba yisinqumo esingcono uma ishidi lensimbi engagqwali kanye nepuleti kuvezwa kuma-chloride, ama-spray, ama-acid, noma imijikelezo ephindaphindwayo eyomile.

Izinto zokwakha zasemanzini, izindawo ezivalekile zasogwini, izingxenye zokucubungula amakhemikhali, izibambo zangaphandle, kanye nemishini yokuphatha usawoti konke kubhekene nengozi enkulu yokugqwala kunezingxenye zezimboni zangaphakathi. Kulezo zimo, i-304 ingase isasebenza kahle ezimweni eziningi, kodwa i-316 inikeza umkhawulo oqinile ngoba i-molybdenum ithuthukisa ukumelana nokuhlaselwa kwemigodi kanye nemifantu. Yingakho i-316 ivame ukukhethwa ngezingxenye ezibizayo ukuzishintsha noma okunzima ukuzifinyelela ngemva kokufakwa.

Ukuze ukhethe okubaluleke kakhulu ekugqwaleni, kuyasiza ukucabanga ngobucayi bendawo kunokuthanda uhlobo. Ingxenye eseduze nenkungu kasawoti, i-washdown ene-asidi, noma umswakama ofudumele omile akufani nengxenye yesevisi yangaphakathi eyomile. Ibanga elifanayo lingaziphatha ngendlela ehlukile kakhulu kuye ngokuthi igebe lingakanani, ikhwalithi yokushintshwa, kanye nemvamisa yokuhlanza.

Ukuze kusekelwe ekucacisweni, isiqondiso sokugqwala esisekelwe kwi-NIST Nickel Institute siphawula ukuthi ukumelana nokugqwala kuncike kakhulu ekukhethweni kwemvelo kanye ne-alloy; indawo yokuqala ewusizo yizincwadi zokugqwala kwe-NACE/imboni kanye nokucaciswa kwe-ASTM ngenhla. Ngemininingwane yezinto ezisemthethweni, abathengi bavame ukuqinisekisa izakhiwo zamakhemikhali kanye nezakhiwo zemishini ngemibiko yokuhlola imishini kanye nezindinganiso ezamukelekayo kunokuhlola okubonakalayo kuphela.

Izinto zokwakha: indlela ukuqeda ubuso kanye nokuqina okushintsha ngayo umphumela

Ukuphela kwendawo kanye nesimo sobulukhuni kungenza ishidi lensimbi engagqwali elifanayo liziphathe ngendlela ehlukile kakhulu ekukhiqizweni.

Isimo esithambile sithuthukisa ukwakheka kanye nokudweba okujulile, kuyilapho isimo esiqinile sithuthukisa amandla kanye nokumelana nokubuyela emuva. Lokho kubalulekile emsebenzini wokucindezela, lapho ukuvuselelwa kwesimo esiqinile kungasiza noma kulimaze i-geometry yokugcina. Empeleni, ingxenye edinga ukuguqulwa okujulile ikhetha isimo esithambile, kuyilapho ingxenye okumele ihlale iqondile noma imelane nokufiphala ingazuza esimweni esinzima.

Isimo somphezulu sithinta nokungqubuzana, ukuguguleka kwamathuluzi, kanye nokuhlanza ngemva kwenqubo. Ishidi elibushelelezi kulula ukulisula futhi ngokuvamile liziphatha ngendlela ebikezelwayo ekuphatheni okuzenzakalelayo. Ngaleso sizathu, ama-OEM amaningi awacacisi nje kuphela i-alloy kanye nobukhulu, kodwa futhi nesimo sokuqeda, isimo sokushisa, kanye nesimo somphetho.

• Sebenzisa izinto ezithambile uma inqubo idinga ukwakheka okujulile, ukugoba okuqinile, noma izici zokudweba.
• Sebenzisa izinto eziqinile uma ukumelana nokuqhekeka, ukulawula intwasahlobo, noma ukuqina komphetho kubaluleke kakhulu.
• Cacisa ukuqeda kusenesikhathi uma ingxenye izobonakala, ihlanzekile, noma izohlanzwa ngokuphindaphindiwe.
• Cela ukulawulwa komphetho lapho kuhileleke ukuphakelwa okuzenzakalelayo, ukunqwabelana, noma ukuphathwa kwerobhothi.

Lezi zinketho aziyona imininingwane yobuhle. Zithinta ngqo izinga lokulahla, zakha ukuzinza, kanye nenani lezinyathelo zokuqeda zesibili ezidingekayo ngemva kokusika noma ukunyathela.

Ukukhetha izinga elifanele kanye nokuqeda ishidi nepuleti lensimbi engagqwali

Ukusetshenziswa okuhle kakhulu kokukhiqiza yilokho okuhambisana ne-alloy, ukuqeda, kanye nendlela yokucubungula nesimo sangempela sesevisi.

Uma ingxenye yakho ingaphakathi, ihloselwe ukusetshenziswa okujwayelekile, futhi ibucayi ezindleleni, i-304 ivame ukunikeza ibhalansi engcono kakhulu. Uma indawo ifaka usawoti, izihlanzi ze-chloride, noma ukuvezwa ngaphandle, i-316 ingase ithethelele izindleko zayo eziphakeme. Uma isidingo ngokuyinhloko kuyisevisi yokuhlobisa noma ebolile ngokulinganiselwe enengcindezi yesabelomali, i-430 ingaba ukukhetha okwamukelekayo ezimweni eziningi. Uma ukusetshenziswa kuyisakhiwo, ukujiya kwepuleti kanye nobuqotho be-weld kuba okubaluleke kakhulu kunezimonyo zobuso.

Inqubo yokukhetha iba lula kakhulu uma usebenzisa isihlungi esilula sesinqumo.

1. Chaza indawo ezungezile: indawo eyomile yangaphakathi, indawo yokugeza emanzi, indawo esogwini, yamakhemikhali, noma indawo yokushisa ephezulu.
2. Chaza isidingo somumo: iphaneli eyisicaba, ingxenye egobile, indlu ehlanganisiwe, noma isakhiwo esithwala umthwalo.
3. Chaza isidingo sokuqeda: esifihliwe, sezimboni, sokuhlobisa, noma senhlanzeko.
4. Chaza indlela yokwenziwa: ukusika kuphela, ukusika nokugoba, ukunyathela, ukugaya, noma ukushisela.
5. Qinisekisa izidingo zokubekezelelana kanye nokuhlolwa ngaphambi kokukhishwa.

Kubathengi abakha izintambo zokunikezela ezibanzi,ishidi lensimbi engagqwaliikhasi liwusizo ezingxenyeni ezakhiwe, kuyilaphoipuleti lensimbi engagqwaliIkhasi lingcono ezingxenyeni eziqinile kanye nokuhlanganiswa okunzima. Uma iphrojekthi idinga ububanzi obuncane noma i-feedstock ezenzakalelayo,umucu wensimbi engagqwaliinketho ingathuthukisa ukuhambisana kokucubungula.

Amaphutha avamile okukhiqiza lapho usebenzisa ishidi nepuleti lensimbi engagqwali

Ukwehluleka okuningi kwensimbi engenasici kuqala ngephutha lencazelo, hhayi iphutha lezinto ezibonakalayo.

Iphutha elilodwa elivamile ukukhetha i-304 endaweni ecebile nge-chloride lapho i-316 ingaba iphephile khona. Elinye ukucacisa isiphetho sokuhlobisa sengxenye ezovezwa ukuklwebheka njalo noma ukuhlanza okunamandla. Iphutha lesithathu ukunganaki ukujiya kanye nesimo somoya, okuholela ekumangalisweni kwentwasahlobo, ukuphambuka kwe-weld, noma ingxenye eguquguquka kakhulu ekusetshenzisweni.

• Ungayikhethi ngokwentengo kuphela uma kwaziwa ukuthi iyingozi kangakanani.
• Ungacabangi ukuthi indawo ecwebezelisiwe iqine ngokuzenzakalelayo.
• Ungahlanganisi izidingo zebanga, ukuqeda, kanye nokulinganisela zibe inothi elilodwa elingacacile.
• Ungakhohlwa izidingo zokuhlanza ngemuva kokwenziwa kanye nokuvuselela ingaphakathi.

Ekwenzeni izinto eziningi kakhulu, amaphutha amancane okucacisa aphindaphindeka ngokushesha. Ukuqeda okungalungile kungadala ukulungiswa kabusha kuwo wonke amayunithi, kanti ibanga elingalungile linganciphisa impilo yasensimini futhi lidale ukuvezwa kwewaranti. Yingakho ukulawulwa kwezinto, ukulandeleka, kanye nemibhalo yabaphakeli kubaluleke kakhulu ekusetshenzisweni kweshidi lensimbi engagqwali.

Uhlu lokuhlola imininingwane lwabathengi nonjiniyela

Ishidi lemininingwane elicacile linciphisa ubungozi bokuthenga futhi lithuthukisa ukuhambisana kokwenziwa.

Okungenani, iphakheji yokuthenga kufanele ichaze ingxubevange, ukujiya, ububanzi, ubude, ukuphela kwendawo, isimo sokushisa, isimo somphetho, kanye nezinga lokuhlola. Ngemisebenzi ebalulekile, kufanele futhi ichaze indawo yokugqwala, izidingo zokushisela, indlela yokupakisha, nokuthi ifilimu evikelayo noma iphepha lokuhlukanisa liyadingeka yini ukuze kuvikelwe indawo.

Esinye isibonakaliso esisebenzayo esisetshenziswa ekuthengeni okugoqekile okuqondile ukulawula okulinganayo. I-ISO 9445 ivame ukubhekiselwa kumugqa ongagqwali ogoqekile obandayo, futhi abakhiqizi bavame ukucela ukubekezelela ukujiya, ukuba yisicaba, kanye nekhwalithi yomphetho ngoba lawo mapharamitha athinta ngqo ukuzinza kokunyathela nokondla. Ekutholeni impahla emhlabeni jikelele, ikhwalithi yamaphepha ibaluleke kakhulu njengekhwalithi ebonakalayo ngoba izitifiketi zokugaya kanye nokulandelela kuvikela umsebenzi wokuhlanganisa ongezansi.

Impendulo yokugcina: yikuphi ukusetshenziswa okungcono kakhulu kweshidi nepuleti lensimbi engagqwali?

Izindlela ezinhle kakhulu zokukhiqiza ishidi nepuleti lensimbi engagqwali yilezo ezidinga ukumelana nokugqwala, inhlanzeko, ukwenziwa okuphindaphindwayo, noma ukuthembeka kwesakhiwo isikhathi eside.

Sebenzisa ishidi lezingxenye ezakhiwe, izembozo zangasese, izindawo zokuvala, amaphaneli okuhlobisa, kanye nezingxenye ezenziwe ngobuningi obukhulu. Sebenzisa ipuleti lezinhlaka eziqinile, imishini esindayo, izakhiwo ezigugile, kanye nezinhlangano ezithwala umthwalo. Khetha u-304 ukuze kusetshenziswe ngokulinganisela, u-316 ukuze kusetshenziswe ezindaweni ezinolaka, kanye no-430 lapho isabelomali sibaluleke kakhulu kunokumelana nokugqwala okuphezulu. Uma umsebenzi unzima, impendulo efanele ngokuvamile akuyona "insimbi engagqwali ngokujwayelekile," kodwa inhlanganisela ethile yebanga, ukuqeda, ukujiya, kanye nesimo sokushisa.

Yingakho ishidi nepuleti lensimbi engagqwali kuhlala kuyizinto zokwakha eziyinhloko ekudleni, olwandle, kwezokwelapha, kwamakhemikhali, kwezakhiwo, kanye nasekukhiqizweni kwezimboni. Inani lazo livela ekuzivumelaniseni nezimo, kodwa ukusebenza kuyabikezelwa kuphela uma imininingwane inembile.

Imibuzo Evame Ukubuzwa

Yiziphi izinhlelo zokusebenza ezivame kakhulu zeshidi lensimbi engagqwali?

Izicelo ezivame kakhulu zeshidi lensimbi engagqwali zifaka phakathi imishini yokudla, izivalo, amaphaneli okwakha, izembozo zemishini, izindlu zezokwelapha, kanye neziqaphi zomshini.

Kufanele ngikhethe nini ipuleti lensimbi engagqwali esikhundleni seshidi?

Khetha ipuleti lensimbi engagqwali lapho ingxenye kufanele iqine, ithwale umthwalo, imelane nokuguguleka, noma iqine ngokwesakhiwo uma ishayisana futhi idlidliza.

Ingabe i-304 noma i-316 ingcono ekusetshenzisweni kweshidi lensimbi engagqwali?

I-304 ingcono ukusetshenziswa endlini kanye nasendlini yangasese, kanti i-316 ingcono uma kulindeleke ukuthi kutholakale i-chloride, i-salt spray, noma amakhemikhali okuhlanza aqinile.

Yikuphi ukuqedwa kobuso okungcono kakhulu ezintweni zokwakha ezindaweni ezihlanzekile?

I-2B isetshenziswa kabanzi ekwakhiweni kwezimboni kanye nokuhlanzeka ngoba inikeza ibhalansi esebenzayo yokushelela, ukubukeka, kanye nokucutshungulwa kalula.

Ingabe ishidi lensimbi engagqwali lingasetshenziswa ngaphandle?

Yebo, kodwa ukusebenza kwangaphandle kuncike ezingeni kanye nendawo ezungezile; i-316 ivame ukuphepheka kune-304 ezindaweni ezisogwini noma ezine-chloride ephezulu.

Kungani ubulukhuni bubalulekile eshidini nasepuletini lensimbi engagqwali?

Ukuqina kuthinta ukwakheka, ukwakheka kabusha, ukumelana nokuqhekeka, kanye nendlela izinto eziziphatha ngayo ngesikhathi sokunyathela noma ukugoba.

Yini okufanele ngiyichaze lapho ngi-oda ishidi nepuleti lensimbi engagqwali?

Cacisa ibanga, ukujiya, ukuqeda, isimo somphetho, izinga lokuhlola, kanye nendawo yangempela yesevisi ukuze umhlinzeki akwazi ukufanisa izinto nohlelo lokusebenza.