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Ufuna nini i-SCBA vs. SAR?

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Kwiigesi ezinobuthi, umsi omxinwa, ukungabikho kweoksijini kunye neminye imisebenzi kunye nemeko engxamisekileyo, ukukhuselwa kokuphefumula kuyindlela yokuqala yokukhusela ukhuseleko lobomi, kwaye ukukhetha izixhobo ezifanelekileyo kuyisitshixo sokuqinisekisa ukhuseleko, ukuphucula ukusebenza kakuhle, kunye nokuthobela iinkcukacha. I-Positive pressure air respirator kunye ne-tube respirator ende zisetyenziswa ngokuqhelekileyo izixhobo zokukhusela umoya, eli nqaku liza kuchitha umahluko ongundoqo phakathi kwezi zibini kunye neemeko ezisebenzayo, zikufundisa ukhetho oluchanekileyo.

YintoniIs SCBA?

Uxinzelelo olufanelekileyo lwezixhobo zokuphefumla umoya yizona zixhobo zokukhusela ukuphefumla kwimizi-mveliso engxamisekileyo kunye nokuhlangula umlilo, kunye nenkqubo yokubonelela ngomoya ozimeleyo, iba yisiqinisekiso sokhuseleko kwindawo enobungozi obuphezulu, kwaye ikwaludidi oluphambili lwezixhobo ze-SCBA zokulwa nomlilo.

Isebenza njani iSCBA

Umthombo wobonelelo lomoya weSCBAi-cylinder yoxinzelelo oluphezulu oluthwalwa ngumsebenzisi, apho umoya oxinyiweyo ngokuhambelana nomgangatho ugcinwa, kwaye umoya woxinzelelo oluphezulu ulungelelaniswa noxinzelelo olufanelekileyo ngokunciphisa uxinzelelo, i-valve yokubonelela ngomoya kunye nezinye izinto eziqhubekayo ukubonelela umsebenzisi ngomoya ophefumulayo. Isethi yonke yezixhobo ezizimeleyo ngokupheleleyo kwindawo engqongileyo, ayichatshazelwa kukubunjwa komoya kunye nomxholo we-oxygen, ihlala idala indawo ekhuselekileyo yokuphefumula kumsebenzisi.

SCBA isitshixoiimpawu

1. Inkqubo yokubonelela ngomoya ophathwayo: Iisilinda eziphezulu zoxinzelelo zihlanganiswe kunye ne-mask yokuphefumula, i-back brace kunye nezinye izinto, kwaye isethi yonke inokugqithwa ngaphandle kwesidingo sezinye izixhobo zangaphandle, ukulungelelanisa iimfuno zokusebenza kweselula.
2. Ukuhamba okunamandla: akukho miqobo yangaphandle yemibhobho, abasebenzisi banokuhamba ngokukhululekileyo, eyona nto ibalulekileyo kwiimeko zokuhlangula ezingxamisekileyo.
3. Ukhuseleko olubanzi lobuso: ngesikhuselo esikhethekileyo sobuso obugcweleyo, kungekhona nje ukuhlukanisa iigesi ezinobungozi kunye nomsi, kodwa nokukhusela ubuso kwiinqununu kunye ne-splashes.
4. Ukulawulwa kwexesha lokunikezelwa kwegesi: ixesha elisebenzayo lokunikezelwa kwegesi yezixhobo eziqhelekileyo yimizuzu engama-30-60, kwaye iisilinda eziphezulu zoxinzelelo lwamandla ahlukeneyo zingakhethwa ngokweemfuno zokusebenza.

SCBA cizicelo ommon iimeko

Njengesixhobo esisisiseko senkqubo ye-SCBA yeshishini kunye nokulwa nomlilo, isicelo sayo sigxile kumngcipheko omkhulu, ukusebenza ngequbuliso kunye neemeko ezingxamisekileyo:

Imisebenzi yokucima umlilo: ukwenza ukulwa nomlilo kunye nokuhlangula abasebenzi kwindawo yomsi oshinyeneyo kunye nomlilo ovulekileyo, kunye nokumelana neegesi eziyityhefu neziyingozi kunye nemo engqongileyo eneoksijini encinci eveliswa kukutsha.
Ukuchithwa kweekhemikhali ezinobungozi ngokungxamisekileyo: Ukuphendula ukuvuza kwegesi eyityhefu, ukuqhuma kweekhemikhali kunye nezinye iingozi ezingalindelekanga, ukuqinisekisa ukhuseleko lokuphefumla kwabasebenzi bokulahla.
Ukuhlangula kwindawo evaliweyo: Ukungena kwindawo emdaka okanye enetyhefu efana neitanki zokugcina, imingxuma engaphantsi komhlaba kunye nezikhongozeli ezivaliweyo ukuze kwenziwe imisebenzi yokuhlangula.
Ukuphathwa kweengozi kwimizi-mveliso: ukusombulula iimeko ezingxamisekileyo ezifana nokuvuza kwezixhobo zefektri, ukuqhuma kweworkshop, njl., Ukubonelela ngokhuseleko lokuphefumla kubasebenzi bakaxakeka.

YintoniIs SAR?

Isixhobo sokuphefumla setyhubhu ende, ekwabizwa ngokuba sisiphefumlo setyhubhu ende ebonelelwa ngomoya, lolona hlobo lungundoqo lwenkqubo ende yokuphefumla ityhubhu. Ngeempawu zokunikezelwa komoya okuqhubekayo, kuye kwaba yinto eqhelekileyo esetyenziswa ngokuqhelekileyo emoyeni-isixhobo sokukhusela i-tube ende yokukhusela kwi-industrial operation ye-industrial operation, efanelekileyo ixesha elide kunye neemfuno zokusebenza zokukhusela indawo esisigxina.

Njani SAR Iyasebenza

I-SAR ayinayo i-airportable portable ezimeleyo, umoya wayo ophefumulayo uhanjiswa nge-hose ekhethekileyo, enye isiphelo sayo sidibaniswe nesixhobo sokuhambisa umoya esikude, njenge-compressor yomoya, i-centralized high-pressure cylinder set, njl. Emva kokucoca kunye noxinzelelo, umoya ococekileyo kunye nokuphefumula unikezelwa kumsebenzisi ngokusebenzisa i-hose ukufezekisa ukunikezelwa komoya okuqhubekayo.

SAR isitshixo iimpawu

1. Ukunikezelwa komoya oqhubekayo kunye nozinzile: ukuthembela kumthombo wokunikezelwa komoya okude, unokuqonda ukunikezelwa komoya ongaphazamisekiyo kwaye uhlangabezane ngokupheleleyo neemfuno zokuphefumula kwexesha elide eliqhubekayo.
2. Ubunzima bokukhanya: Abasebenzisi badinga kuphela ukugqoka imaski yokuphefumula kunye ne-hose yokudibanisa, akukho mfuneko yokuthwala iisilinda eziphezulu, ubunzima bomzimba buyancipha kakhulu, kwaye ukukhathala kokusebenza kuphantsi.
3. Ukulungelelaniswa kwiindawo ezilawulwayo: Ukusebenza kwesixhobo kuxhomekeke ekuzinzeni komthombo wokunikezelwa komoya kunye nokuhlolwa kwendawo yokusebenza, okwenza kube yinto efanelekileyo kwiimeko zokusebenza apho uvavanyo lwendalo lugqitywe kwangaphambili.
4. Ukusebenza okulula kunye nokugcinwa okulula: akukho zixhobo eziyinkimbinkimbi zoxinzelelo oluphezulu, ukuhlolwa kwansuku zonke kunye nokugcinwa kufuneka kuqwalaselwe ukutywinwa kwe-hose kunye nesimo sokusebenza somthombo wokuhambisa umoya, ngoko umda wokusebenza uphantsi.

I-SAR common Application Scenarios

Njengesixhobo esiqhelekileyo sokukhusela kwimizi-mveliso, ukusetyenziswa kwayo kugxile ekulawuleni, ixesha elide iimeko zokusebenza kwimizi-mveliso:

Imisebenzi yokutshiza kwimizi-mveliso: ukwenziwa kweemoto, imveliso yefanitshala kunye namanye amashishini, ukutshiza ipeyinti, imisebenzi yokubhaka, ukwahlula inkungu yepeyinti kunye nerhasi eguquguqukayo yenkunkuma ephilayo.
I-Sandblasting kunye ne-descaling operations: imisebenzi ye-sandblasting ekuqhutyweni kweenqanawa kunye nezakhiwo zetsimbi, ukuthintela uthuli ekungeneni kwindlela yokuphefumula kunye nokubangela ukulimala.
Ukuveliswa kweekhemikhali kunye nokucubungula: imisebenzi yesiqhelo yeworkshop yeekhemikhali, ukuhanjiswa kwezinto, ngokuchasene nokuxinwa okuphantsi kweegesi ezinobuthi kunye neziyingozi kwiworkshop.
Ukulungiswa kwezixhobo kunye nokugcinwa: ukulungiswa kwansuku zonke kwazo zonke iintlobo zeetanki zokugcina kunye nemibhobho kwiifektri, ukubonelela ngokhuseleko lokuphefumula kwisiseko sokugqiba uvavanyo lokusingqongileyo kwangaphambili.

I-SCBA kunye ne-SAR: I-Core Difference Comparison

Uxinzelelo oluhle lokuphefumula umoya kunye netyhubhu emide yomahluko ophambili wokuphefumla ubonakaliswa kwimowudi yokubonelela komoya, ukusetyenziswa kokuguquguquka, njl.

Umthombo wobonelelo lomoya:SCBAyi-cylinder yoxinzelelo oluphezulu oluqhutywa ngumsebenzisi, oluzimeleyo ngokupheleleyo; I-SAR yi-compressor yomoya ekude okanye iqela le-cylinder eliphakathi, elixhomekeke kwizixhobo zokubonelela ngomoya zangaphandle. l Ukuhamba: I-SCBA yi-cylinder yoxinzelelo oluphezulu oluthwalwa ngumsebenzisi, oluzimeleyo ngokupheleleyo.
Ukuhamba: I-SCBA ayibotshwanga ngumbhobho, ihamba kakhulu, kwaye iyakwazi ukuziqhelanisa nomsebenzi weselula kwindawo enzima; I-SAR inqunyelwe ubude bombhobho wokuhambisa umoya, kunye noluhlu oluncinci lokuhamba, kwaye lunokusebenza kuphela kwindawo ehlanganiswe ngumbhobho. l Ixesha lokusebenza: I-SCBA yi-cylinder yoxinzelelo oluphezulu oluqhutywa ngumsebenzisi, oluzimeleyo ngokupheleleyo.
Ixesha lokusebenza: I-SCBA inqunyelwe ngumthamo we-cylinder yegesi, ixesha lokusebenza elisebenzayo liyi-30-60 imizuzu; I-SAR inokuxhasa ukusebenza kwexesha elide eliqhubekayo kwiiyure ezininzi kunye nokunikezelwa kwegesi okuqhubekayo.
Iimeko eziSebenzayo: I-SCBA isetyenziselwa ukuchithwa kwexesha likaxakeka kunye neendawo ezingaziwayo ezinobungozi obuphezulu, kwaye zingasetyenziswa ngaphandle kokuhlolwa kwangaphambili kokusingqongileyo, ngelixa i-SAR ifanelekile kwimisebenzi yoshishino elawulwayo apho ukuhlolwa kokusingqongileyo kugqitywe kwangaphambili kwaye ukuxinwa kwezinto ezingcolileyo kuzinzile.

I-SCBA yenzelwe ukulahlwa okungxamisekileyo kunye neendawo ezingaziwayo ezinobungozi obuphezulu, ngelixa i-SAR ifaneleka ngakumbi kwimisebenzi yamashishini exesha elide kwiindawo ezizinzileyo nezilawulwayo, kwaye ezi zimbini zenza ukhuseleko oluncedisayo kwiimeko ezahlukeneyo.

Kufuneka usebenzise nini i-SCBA?

Unikezelo lomoya oluzimeleyo lwe-SCBA kunye neempawu zokuhamba eziphezulu zenza kube lolona khetho kuphela lweendawo ze-IDLH, kwaye ikwayizixhobo eziyimfuneko zokhuselo lokuphefumla kuzo zonke iintlobo zeemeko zikaxakeka ezingalindelekanga, iimeko ezithile ezisebenzayo ikakhulu ezi ndidi zilandelayo zine:

Usongelo olukhawulezileyo kubomi nakwimpilo yokusingqongileyo kwe-IDLH

I-SCBA kufuneka isetyenziswe xa kukho ukuvuza kwegesi eyityhefu, ukuxinwa kweoksijini kungaphantsi kwe-19.5% yemekobume ye-oksijini, okanye ukuxinwa kwezinto ezingcolisayo kufikelela kumgangatho wesoyikiso esikhawulezileyo sobomi kunye nempilo. Kolu hlobo lokusingqongileyo, nasiphi na isixhobo sokukhusela esixhomekeke kwisiza somoya okanye umbhobho wangaphandle awunakuqinisekisa ukhuseleko, kwaye inkqubo yeSCBA ezimeleyo yonikezelo komoya inokwahlukanisa.

Umlilofukukhanya kunyesmokefndiyagulaailizwe

Indawo yomlilo iya kuvelisa inani elikhulu leegesi ezivuthayo ezinetyhefu ezifana ne-carbon monoxide, i-hydrogen sulfide, njl. Xa abacimi-mlilo bengena nzulu kwindawo yokucima umlilo ukuze bacime kwaye bahlangule, ukunxiba izixhobo ze-SCBA zokucima umlilo kunokuqhubeka nokufumana umoya ococekileyo, ukuphepha ukuphefumla iigesi ezinobuthi kunye ne-asphyxiation ngenxa yokungabikho kweoksijini.

Imisebenzi yokuhlangula kwiindawo ezithintelweyo

Amatanki okugcina, iikholvethi eziphantsi komhlaba, iisilo ezivaliweyo kunye nezinye iindawo ezithintelweyo zithande ukungonelanga ioksijini, iigesi eziyityhefu neziyingozi ziqokelelana, kwaye okusingqongileyo kwangaphakathi kwendawo kuntsonkothile, ngoko ke akunakwenzeka ukugqiba uhlolo olubanzi lokusingqongileyo kwangaphambili. Xa uhlangula kwiindawo ezithintelweyo, ukusetyenziswa kweiinkqubo zeSCBA zoshishinoinokuvumela abasebenzi bokuhlangula ukuba bahambe ngokukhululekileyo, ngelixa bengachatshazelwa bubume bomoya obunzima kwindawo.

Iindidi ezahlukeneyo zeemeko zokuphendula ngokukhawuleza

Ishishini lemichiza ukuvuza kwerhasi eyityhefu, ukudubula kwezixhobo zeplanti, ukuvuza kwesithuthi esiyingozi sothutho lweekhemikhali kunye nezinye iimeko zikaxakeka, indawo yesigameko ayiqikeleleki, ukuxinana okungcolisekileyo, umxholo weoksijini unokutshintsha nangaliphi na ixesha. Emva kokuba abasebenzi bexakeka befika kwindawo, kufuneka banxibe i-SCBA ngexesha lokuqala ukwenza umsebenzi wokulahla, ukukhusela ukhuseleko lwabo, kwaye ngexesha elifanayo, ngokufanelekileyo ukugqiba umsebenzi ongxamisekileyo.

Kufuneka usebenzise nini i-SI-AR?

Ukunikezelwa komoya okuqhubekayo kunye neempawu ezikhaphukhaphu kunye nokulula ukuzisebenzisa ze-SCBA zenza ukuba ibe sisixhobo sokukhusela esikhethwayo kwimisebenzi yesiqhelo yemizi-mveliso, ngakumbi ifanelekile ixesha elide, imisebenzi elawulwayo yendawo esisigxina, kunye nezi ndidi zintathu zilandelayo zeemeko ezithile ezisebenzayo:

Ukusebenza kwexesha elide kwimizi-mveliso

Ukuqhushumba kwesanti kunye nokususwa komhlwa, ukutshiza kwimizi-mveliso, ukusebenza ngokuqhubekayo kwiworkshop yeekhemikhali, njl. njl., ubude bomsebenzi omnye budla ngokuba ziiyure ezininzi, kwaye ubude bonikezelo lomoya we-SCBA abukwazi ukuhlangabezana nemfuno, ngelixa inkqubo ende yokuphefumla ityhubhu inokubona unikezelo lomoya oluqhubekayo, kunye noyilo lokunxiba olulula, lunokunciphisa kakhulu umthwalo womzimba womsebenzisi, kwaye luphucule ukusebenza kakuhle.

Indawo elawulwayo kwindawo yokusebenza

Ukuphefumula ityhubhu emide ifanelekile ukuba isetyenziswe kwiindawo apho ukubeka iliso kokusingqongileyo kunokugqithwa ngezixhobo zobuchwephesha ngaphambi kokusebenza, apho uhlobo kunye nokugxininiswa kwezinto ezingcolileyo kucacile, kwaye apho ukuxinwa kwezinto ezingcolileyo kuhlala kuzinzile kwaye akutshintshi ngokukhawuleza ngexesha lokusebenza. Kulo hlobo lokusingqongileyo, akukho mfuneko yokuthembela kunikezelo lomoya oluzimeleyo lwe-SCBA, kunye ne-tube respirator ende inokuqinisekisa umphumo wokukhusela ngelixa unciphisa iindleko zokusetyenziswa kunye nokugcinwa kwezixhobo.

IiNdawo zokuSebenza eziZinzileyo okanye eziSikelwe umda

Kwindawo yokusebenzela elinganiselweyo njengeendawo zokusebenzela ezithile kwiindibano zocweyo, amazibuko okugcinwa okusisigxina kwamatanki okugcina, iindawo ezimiselweyo zokusetyenzwa kwezakhiwo zentsimbi, njl. njl., Uluhlu lomsebenzi wabaqhubi luqinisiwe, kwaye i-hose yonikezelo lomoya inokugubungela ngokupheleleyo indawo yokusebenza, ukuze kungabikho miqobo yemibhobho echaphazela umsebenzi. Ukusetyenziswa kwe-tube yokuphefumula ende kulolu hlobo lwesimo aluhlanganisi kuphela iimfuno zokukhusela, kodwa kunye nokusebenza kakuhle.

Indlela yokukhetha iSixokelelwano sokuphefumla esiLungileyo

Ingundoqo yokukhetha i-SCBA okanye i-tube respirator ende kukudibanisa indawo ye-site, iimfuno zokusebenza kunye nesigwebo esibanzi, ukuphepha imingcipheko yokhuseleko ebangelwa kukukhetha okungafanelekanga, kodwa nokwandisa ukusebenza kakuhle kokusetyenziswa kwesixhobo, imfuno ekhethekileyo yokuqwalasela izinto ezintlanu eziphambili, ngelixa ulandela imigaqo ecacileyo yokukhetha.

Imiba ephambili emayiqwalaselwe

1. Inqanaba eliyingozi kunye nomgangatho womoya: ukuba yindawo enobungozi obuphezulu be-IDLH, indawo engcolileyo engaziwayo, ibeka phambili i-SCBA, ukuba i-SCBA ibeka ingozi ephantsi, igxininiso ezinzileyo yokungcola kwendawo elawulwayo, unokukhetha i-tube respirator ende.
2. Uxinzelelo lweoksijini kwindawo:SCBAkufuneka isetyenziswe kwiindawo ezinqongopheleyo ze-oksijeni apho i-oksijini yoxinzelelo ingaphantsi kwe-19.5%, kwaye kwiindawo apho i-oksijeni igxininisekile, i-SCBA inokukhethwa ngokwezinye iimeko.
3. Ubude bexesha lokusebenza: Ukuba ubude bomsebenzi omnye budlula imizuzu engama-60, i-respirator ende ende ikhethwayo. Ngexesha elifutshane lokusebenza olungxamisekileyo (30-60 imizuzu), i-SCBA ifanelekile ngakumbi. 4.
4. Iimfuno zokuhamba zomqhubi: ukuba ufuna ukuhamba ngokukhululekile kwaye indawo yendawo yokusebenza inzima, khetha i-SCBA; ukuba indawo yokusebenza ilungisiwe kwaye uluhlu lokuhamba lulinganiselwe, khetha i-tube respirator ende.
5. Ukuqwalaselwa koKhuseleko oluNgxamisekileyo: Ukuba kukho umngcipheko weengozi zequbuliso kwindawo yokusebenza kwaye ukuphunyuka kongxamiseko kufuna ukunyakaza ngokukhawuleza, khetha i-SCBA; ukuba indawo yendawo yokusebenza izinzile kwaye indlela yokuphuma icacile, khetha i-respirator ende ende.

Ingcebiso ngesigqibo

Ukuba indawo ekusetyenzwa kuyo ayaziwa umngcipheko okanye umoya womngcipheko ophezulu, khetha i-SCBA ngqo. Ukuba lixesha elide lokusebenza kwimizi-mveliso phantsi kommandla ozinzileyo kunye nolawulekayo, khetha i-SAR ukuhlangabezana neemfuno. Ngelo xesha, kungakhathaliseki ukuba luhlobo luni lwezixhobo ozikhethayo, kufuneka uqinisekise ukuba izixhobo zihlangabezana nemigangatho yokhuseleko lwesizwe, kwaye uvavanyo oluqhelekileyo kunye nokugcinwa kugqitywe ukuqinisekisa ukuba isixhobo sikwimeko egqibeleleyo.

I-SCBA kunye ne-SAR njengezona ntlobo zimbini eziphambili zezixhobo zokukhusela zokuphefumula ezinikezelwa ngomoya, nangona umgaqo wokukhusela uhlukile, usebenza kwiimeko ezahlukeneyo, kodwa ukuveliswa kwezoshishino, ukuhlangula ngokukhawuleza ukukhusela abasebenzi abaphefumula ukhuseleko lwezixhobo eziphambili, enye iyimfuneko.

Kumashishini kunye nabaqhubi, isigwebo esichanekileyo sendawo yokusebenza, ubude kunye neemfuno zeselula, khetha izixhobo ezifanelekileyo zokukhusela ukuphefumula, kukukhusela ukhuseleko, ukuthobela ummiselo, ukuphucula ukusebenza kakuhle kwesitshixo. Xa ukhetha, unokudibanisa iikhrayitheriya zokukhetha kweli nqaku, ngokubhekiselele kwindawo yangempela kunye, ukwakha ukhuseleko oluluqilima.

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