Umgama okhuselekileyo phakathi kwe-acetylene cylinder kunye ne-oxygen cylinder

Ngexesha lokwakhiwa, i-oksijeni kunye neebhotile ze-acetylene kufuneka zigcinwe kwiimitha ezili-10 ukusuka kwindawo yokutshisa, kwaye umgama phakathi kwe-oksijini kunye neebhotile ze-acetylene kufuneka zigcinwe ngaphezu kweemitha ezi-5.Ubude bocingo oluphambili (i-wire overlay) yomatshini we-welding kufuneka ibe ngaphantsi kwe-5m, kwaye ubude bocingo lwesibini (i-welding bar wire) kufuneka ibe ngaphantsi kwama-30m.I-wiring kufuneka icinezele ngokuqinileyo kwaye i-cover ethembekileyo yokukhusela kufuneka ifakwe.I-welding wire iya kuba kabini kwindawo.Imibhobho yesinyithi, i-scaffolding yesinyithi, iileyili kunye neentsimbi zesakhiwo aziyi kusetyenziswa njengocingo olusezantsi lweluphu.Akukho monakalo kwi-welding intonga yocingo, ukugquma okulungileyo.
I-acetylene cylinder echithwe kwinkqubo yokuvelisa (emva koku kuthiwa yi-acetylene cylinder) kunye nebhomu ye-oksijini isetyenziswa ngokubanzi kwi-welding kunye nokusika, kwaye isetyenziswa rhoqo ngexesha elifanayo, i-oxygen yegesi yokutsha, i-acetylene yegesi evuthayo, i-oksijeni kunye ne-acetylene. kunye neengubo kwisitya soxinzelelo esithwalayo, ngokulandelanayo, kwinkqubo yokusetyenziswa, kukho iingxaki kwiidigri ezahlukeneyo, ezifana ne-acetylene cylinder enebhomu ye-oksijini ebekwe kwindawo enye, Akukho mgama wokhuseleko;I-oksijini cylinder kunye ne-oyile yoqhagamshelwano, i-acetylene cylinder i-horizontal rolling, kungekhona i-static static isetyenziswe;Ubushushu bomphezulu webhotile ye-acetylene ngaphezulu kwe-40 ℃, umsebenzi ovulekileyo wehlobo ngaphandle kokugquma;I-oksijeni, iibhotile ze-acetylene azihlali ngokuhambelana nemimiselo yoxinzelelo lwe-residual, ezi ngxaki, ziye zabangela ukuba kwenzeke inani labantu abalimalayo.Ngenxa yokuba inyibilikile i-acetylene, kukho i-acetone kwi-cylinder.Ukuba i-engile ethambekileyo ingaphantsi kwama-30 degrees, xa ivalve ivuliwe (ngexesha lokusetyenziswa), i-acetone inokuphuma kwaye idibanise nomoya ukwenza umxube oqhumayo.Umda wokudubula yi-2.55% ukuya kwi-12.8% (umthamo).Iisilinda ze-oksijini ziqulethe i-oksijeni ephezulu, kwaye kukho izinto ezingakhuselekanga emzimbeni kunye neekhemikhali: izinto eziphathekayo: emva kokuba i-oksijini ixinzelelwe kwaye uxinzelelo luyanda, luvame ukulungelelanisa kunye noxinzelelo lwe-atmospheric ejikelezileyo.Xa umahluko woxinzelelo phakathi kweoksijini kunye noxinzelelo lomoya mkhulu, lo mkhwa nawo uba mkhulu.Xa umahluko omkhulu kakhulu woxinzelelo ufikelela ngokukhawuleza kolu lungelelwaniso ngexesha elifutshane kakhulu kwisithuba esikhulu, lenza into ebizwa ngokuba “kukudubula”.Ukuba olu lungelelwaniso luphunyezwa kwixesha elide ngokwentelekiso ngokusebenzisa iipores ezincinci, kwenziwa “ijethi”.Zombini zinokuba nemiphumo emibi.Imiba yemichiza.Ngenxa yokuba ioksijini iyinto exhasa ukutsha, xa kukho izinto ezinokutsha kunye neemeko zokutshisa, ukutsha okunobundlobongela kunokwenzeka, kunye nomlilo oqhumayo.

I-1, "Imithetho yokuhlola ukhuseleko lwe-acetylene echithweyo" inqaku le-50 i-acetylene yokusetyenziswa kwebhotile "xa usebenzisa i-oxygen cylinder kunye nebhotile ye-acetylene, kufuneka uzame ukuphepha kunye; Kwaye umgama ovulekileyo womlilo awukho ngaphantsi kweemitha ezili-10 ";Akukho nkcazo ecacileyo yomgama phakathi kweebhotile ezimbini.
I-2, "Ukhuseleko lwe-Welding kunye nokusika" i-GB9448-1999: ekusetyenzisweni kunye nomgama wendawo yokutshisa ikhulu kuneemitha ezili-10, kodwa umgama phakathi kwe-oksijini kunye neebhotile ze-acetylene e-China ibonakala ingacacanga.
3. ISiqendu 552 soMmiselo woKhuseleko lweShishini loMbane (i-Thermal and Mechanical Parts) ifuna ukuba "umgama phakathi kweesilinda ze-oksijini ezisetyenziswayo kunye neesilinda ze-acetylene aziyi kuba ngaphantsi kweemitha ezi-8".
4. "I-Gas welding (Ukusika) iMithetho yokuSebenza koKhuseleko loMlilo" okwesibini yathi "i-oxygen cylinders, iisilinda ze-acetylene kufuneka zibekwe ngokwahlukileyo, isithuba asiyi kuba ngaphantsi kweemitha ezi-5. Ikhowudi yokhuseleko lwesityalo esisemgangathweni kwi-Fire Operation HG 23011-1999 ishishini lemichiza yeRiphabhlikhi yaBantu baseTshayina.


Ixesha lokuposa: Jul-07-2022