Ngesikhathi sokufakwa kanye nokwendlalwa kwesigcawu sesakhiwo se-galvanized steel grating, kuvame ukuhlangana nokuthi amapayipi noma izinto zokusebenza zidinga ukudlulai-steel gratingiplatifomu iqonde phezulu. Ukuze imishini yamapayipi ikwazi ukudlula endaweni yesikhulumi ngokushelela, ngokuvamile kudingekile ukunquma indawo nobukhulu bezikhala phakathi nenqubo yokuklama, futhi umenzi wokugaya insimbi uzokwenza ukukhiqizwa okwenziwe ngokwezifiso. Inqubo yokukhiqiza okwenziwe ngokwezifiso kuqala idinga ukuxhumana okuningi kanye nokushintshaniswa kolwazi phakathi komnyango wokuklama i-steel grating kanye nomnyango wokuklama isakhiwo sensimbi, umhlinzeki wezinto zokusebenza kanye nomnyango wokuhlola nokubhala imephu. Ngenxa yezici eziningi ezihlobene ezihilelekile, kunokungaqiniseki okuthile ngobukhulu kanye nesimo semishini yamanje. Ngesikhathi sokufakwa, kuvame ukuvela ukuthi izimbobo ezigcinwe ngokwezifiso azikwazi ukuhlangabezana nezidingo zesayithi. Ngenxa yalesi simo, ukuze kuqinisekiswe izinga lokuvuthwa kwezinsimbi zensimbi futhi kuthuthukiswe ukuklama nokusebenza kahle kokukhiqizwa kwegridi yensimbi, ekwakhiweni kwamanje kanye nenqubo yokukhiqiza, ngokuvamile, ezinye izimbobo ezinobubanzi obuncane okunzima ukuzinquma azihlelwanga futhi azicutshungulwa, kodwa zithathelwa indawo yizinqubo zokucubungula zesibili ezifana nokuvulwa kwendawo, ukusika, ukushisela, nokugaya ngokuvumelana nesimo samanje sokufakwa kwensimbi.
Njengento entsha, i-galvanized steel grating isetshenziswa kabanzi. I-galvanizing isiphenduke indlela ebalulekile yokulwa nokugqwala kwe-gratings yensimbi, hhayi nje ngoba i-zinc ingakha ungqimba oluqinile lokuvikela phezu kwensimbi, kodwa futhi ngoba i-zinc inomphumela wokuvikela we-cathodic. Lapho i-galvanized steel grating ihanjiswa kusayithi, ukucubungula okwesibili kanye nokushisela ngezinye izikhathi kuyadingeka ukuze kufakwe. Ukuba khona kwesendlalelo se-zinc kuletha ubunzima obuthile ekushiseleni kwegridi yensimbi.
Ukuhlaziywa kokushisela kwamagridi ensimbi
Ama-grating ensimbi afakwe ungqimba lwensimbi ye-zinc ebusweni bensimbi yensimbi ukuvimbela ukugqwala ebusweni bensimbi yensimbi futhi andise impilo yayo yesevisi. Ingaphezulu le-galvanized steel grating lizoba njengezimbali. Ngokwezindlela zokukhiqiza nezindlela zokucubungula, ingahlukaniswa ngezigaba ezilandelayo: ① ishidi likaphethiloli elishisayo; ② ishidi lensimbi elenziwe nge-electrogalvanized. Iphuzu elincibilikayo le-zinc lingu-419℃ kanti indawo yokubilisa ingu-907℃, ephansi kakhulu kunendawo yokuncibilika kwensimbi, engu-1500℃. Ngakho-ke, ngesikhathi senqubo yokushisela, ungqimba lwama-galvanized kuqala luncibilikisa izinto zomzali. Ngemva kokuhlaziywa okungenhla, izakhiwo zemishini nezomzimba zeshidi eliphehliwe ziyafana nalezo zeshidi lensimbi ye-carbon evamile. Umehluko kuphela ukuthi kukhona i-zinc enamathela ebusweni be-grating steel galvanized. Inqubo yokushisela ye-galvanized steel grating
(1) Ukushisela i-arc ngesandla
Ukuze unciphise umusi we-welding futhi uvimbele isizukulwane sokuqhekeka kwe-welding nama-pores, ungqimba lwe-zinc eduze ne-groove kufanele lususwe ngaphambi kokushisela. Indlela yokususa ingaba ukubhaka ilangabi noma i-sandblasting. Umgomo wokukhetha izinduku zokushisela ukuthi izakhiwo zemishini yensimbi yokushisela kufanele zibe seduze ngangokunokwenzeka ezintweni zomzali, futhi okuqukethwe kwe-silicon entongeni yokushisela yansuku zonke yensimbi encibilikisiwe kufanele ilawulwe ngaphansi kuka-0.2%. Ukuze uthole i-low-carbon steel mirror zinc steel grating, i-J421/422 noma i-J423 welding rods kufanele isetshenziswe kuqala. Lapho ushisela, zama ukusebenzisa i-arc emfushane futhi ungashwibi i-arc ukuvimbela ukwanda kwendawo encibilikisiwe yongqimba olunothayela, qinisekisa ukumelana nokugqwala kwe-workpiece futhi unciphise inani lentuthu.
(2) Insimbi yokushisela i-arc
Sebenzisa i-CO2 yegesi evikelekile yokushisela noma ukushisela okuvikelwe kwegesi okuxubile okufana ne-Ar+CO2, i-Ar+02 ekushiseleni. Igesi evikelayo inomthelela omkhulu kokuqukethwe kwe-Zn ekushiseleni. Uma i-CO2 ehlanzekile noma i-CO2+02 isetshenziswa, okuqukethwe kwe-Zn ku-weld kuphezulu, kuyilapho uma i-Ar+CO2 noma i-Ar+02 isetshenziswa, okuqukethwe kwe-Zn ku-weld kuphansi. Okwamanje kunomphumela omncane kokuqukethwe kwe-Zn ku-weld. Njengoba i-welding current ikhula, okuqukethwe kwe-Zn ku-weld kuncipha kancane. Uma usebenzisa i-welding evikelwe ngegesi ukushisela i-grating yensimbi ebilisiwe, intuthu yokushisela inkulu kakhulu kunaleyo yokushisela i-arc manual, ngakho-ke kufanele kuqashelwe ngokukhethekile ekukhipheni umoya. Izici ezithinta inani nokwakheka kwentuthu ngokuyinhloko igesi yamanje kanye neyokuvikela. Uma i-current ikhudlwana, noma ikhudlwana i-CO2 noma i-O2 okuqukethwe kwigesi evikelayo, inkulu intuthu yokushisela, kanye nokuqukethwe kwe-ZnO emsini nakho kuyanda. Okuqukethwe okuphezulu kwe-ZnO kungafinyelela cishe ku-70%. Ngaphansi kokucaciswa okufanayo kwe-welding, ukujula kokungena kwe-grating yensimbi ethathiwe kukhulu kunokwegridi yensimbi engaphekiwe.
Isikhathi sokuthumela: Aug-16-2024