I-Hydroxyethyl methylcellulose (HEMC) yi-polymer esetyenziswa kakhulu kumashishini ahlukeneyo, kuquka amayeza, ukutya, izinto zokuthambisa, kunye nokwakha. Ixatyiswa ngenxa yeempawu zayo zokutyeba, ukuxubha, ukwenza ifilimu, kunye nokuzinzisa. Nangona isetyenziswa kakhulu, ukuqinisekisa ukhuseleko ngexesha lokuphathwa nokusetyenziswa kwayo kubalulekile. Nazi iindlela zokhuseleko ezibanzi zokusebenzisa i-hydroxyethyl methylcellulose:
1. Ukuqonda Izinto Ezisetyenzisiweyo
I-HEMC yi-non-ionic cellulose ether, into evela kwi-cellulose apho amaqela e-hydroxyl athatyathelwe indawo ngokuyinxenye ngamaqela e-hydroxyethyl kunye ne-methyl. Olu tshintsho luphucula ukunyibilika kwayo kunye nokusebenza kwayo. Ukwazi iipropati zayo zekhemikhali kunye nezomzimba, ezinje ngokunyibilika, ukuxinana, kunye nozinzo, kunceda ekuyiphatheni ngokukhuselekileyo.
2. Izixhobo zokuzikhusela zobuqu (i-PPE)
Iiglavu kunye neempahla zokukhusela:
Nxiba iiglavu ezimelana neekhemikhali ukuthintela ukudibana nolusu.
Sebenzisa impahla yokuzikhusela, kuquka iihempe ezineemikhono emide kunye neebhulukhwe, ukuze uphephe ukubonakala eluswini.
Ukhuseleko Lwamehlo:
Sebenzisa izibuko zokhuseleko okanye izikhuselo zobuso ukuze uzikhusele eluthulini okanye ekutshizeni.
Ukhuseleko lokuphefumla:
Ukuba usebenzisa i-HEMC kwimo yempuphu, sebenzisa iimaski zothuli okanye ii-respirator ukuze uphephe ukuphefumla amasuntswana amancinci.
3. Ukuphatha kunye nokugcina
Umoya ongenisayo:
Qinisekisa ukuba kukho umoya owaneleyo kwindawo yokusebenza ukuze kuncitshiswe ukuqokelelana kothuli.
Sebenzisa umoya ophumayo okanye ezinye iindlela zokulawula ubunjineli ukuze ugcine amanqanaba omoya engaphantsi kwemida ecetyiswayo yokuvezwa.
Indawo yokugcina:
Gcina i-HEMC kwindawo epholileyo neyomileyo kude nomswakama kunye nelanga elithe ngqo.
Gcina izikhongozeli zivaliwe kakuhle ukuthintela ungcoliseko kunye nokufunxwa komswakama.
Gcina kude nezinto ezingahambelaniyo nezifana nezinyibilikisi ezinamandla.
Amanyathelo okuphatha:
Kuphephe ukwenza uthuli; yiphathe ngobunono.
Sebenzisa iindlela ezifanelekileyo ezifana nokumanzisa okanye ukusebenzisa isixhobo sokuqokelela uthuli ukunciphisa amasuntswana ahamba emoyeni.
Sebenzisa iindlela ezilungileyo zokucoca indlu ukuze uthintele ukuqokelelana kothuli phezu komhlaba.
4. Iinkqubo zokuchitha nokuvuza
Ukuchitheka Okuncinci:
Tshayela okanye ucoce izinto uze uzifake kwisitya esifanelekileyo sokulahla inkunkuma.
Kuphephe ukutshayela okomileyo ukuze uthintele ukusasazeka kothuli; sebenzisa iindlela ezimanzi okanye izicoci zevacuum ezihluzwa yiHEPA.
Ukuchitheka Okukhulu:
Susa loo ndawo uze uphefumle umoya.
Nxiba i-PPE efanelekileyo kwaye uthintele ukuchitheka ukuze kuthintelwe ukusasazeka kwayo.
Sebenzisa izinto ezingasebenziyo ezifana nesanti okanye i-vermiculite ukuze ufunxe into leyo.
Lahla izinto eziqokelelweyo ngokwemigaqo yendawo.
5. Ulawulo Lokuchaphazelwa Kolwazi kunye Nococeko Lomntu
Imida yokuvezwa:
Landela izikhokelo zoLawulo loKhuseleko lwezeMpilo eMsebenzini (OSHA) okanye imigaqo efanelekileyo yasekuhlaleni malunga nemida yokuchatshazelwa.
Ucoceko Lomntu:
Hlamba izandla kakuhle emva kokuphatha i-HEMC, ingakumbi ngaphambi kokutya, ukusela, okanye ukutshaya.
Kuphephe ukuchukumisa ubuso bakho ngeeglavu okanye izandla ezingcolileyo.
6. Iingozi zeMpilo kunye namanyathelo oNcedo lokuQala
Ukuphefumla:
Ukuvezwa ixesha elide kuthuli lwe-HEMC kunokubangela ukurhawuzelelwa kokuphefumla.
Msuse umntu ochaphazelekileyo emoyeni omtsha uze ufumane uncedo lwezonyango ukuba iimpawu ziyaqhubeka.
Ukunxibelelana nolusu:
Hlamba indawo echaphazelekayo ngesepha namanzi.
Funa ingcebiso kagqirha ukuba kukho ukurhawuzelelwa.
Uqhagamshelo lamehlo:
Hlamba amehlo kakuhle ngamanzi ubuncinane imizuzu eli-15.
Susa iilensi zoqhagamshelwano ukuba zikhona kwaye kulula ukuzenza.
Funa uncedo lwezonyango ukuba ukucaphuka kuyaqhubeka.
Ukuginya:
Hlamba umlomo ngamanzi.
Musa ukukubangela ukuba uhlanze ngaphandle kokuba uyalelwe ngabasebenzi bezonyango.
Funa uncedo lwezonyango ukuba utye kakhulu.
7. Iingozi zoMlilo kunye nokuqhuma
I-HEMC ayitshi kakhulu kodwa ingatsha xa ibekwe emlilweni.
Amanyathelo okulwa nomlilo:
Sebenzisa isitshizi samanzi, igwebu, ikhemikhali eyomileyo, okanye ikharbon diokside ukucima umlilo.
Nxiba izixhobo zokuzikhusela ezipheleleyo, kuquka isixhobo sokuphefumla esizimeleyo (SCBA), xa ulwa nemililo ebandakanya i-HEMC.
Kuphephe ukusebenzisa imijelo yamanzi enoxinzelelo oluphezulu, enokubangela umlilo usasazeke.
8. Amanyathelo okukhusela kwiNdalo
Kuphephe Ukukhululwa Kwindalo Esingqongileyo:
Thintela ukukhululwa kwe-HEMC kwindalo esingqongileyo, ingakumbi emanzini, kuba inokuchaphazela ubomi basemanzini.
Ukulahlwa:
Lahla i-HEMC ngokwemigaqo yengingqi, yephondo, neyelizwe.
Musa ukukhutshelwa emanzini ngaphandle konyango olufanelekileyo.
9. Ulwazi loLawulo
Ukubhala kunye noHlelo:
Qinisekisa ukuba izikhongozeli ze-HEMC ziphawulwe ngokufanelekileyo ngokwemigangatho yolawulo.
Ziqhelanise neSafety Data Sheet (SDS) kwaye ulandele izikhokelo zayo.
Uthutho:
Landela imigaqo yokuthutha i-HEMC, uqinisekise ukuba izikhongozeli zivaliwe kwaye zikhuselekile.
10. Uqeqesho kunye neMfundo
Uqeqesho lwaBasebenzi:
Ukubonelela ngoqeqesho malunga nokuphathwa, ukugcinwa, kunye nokulahla ngokufanelekileyo i-HEMC.
Qinisekisa ukuba abasebenzi bayazi ngeengozi ezinokubakho kunye namanyathelo okhuseleko afunekayo.
Iinkqubo zeNgxamiseko:
Phuhlisa kwaye uchaze iinkqubo ezingxamisekileyo zokuchitheka, ukuvuza, kunye nokuvezwa.
Yenza uqheliso rhoqo ukuqinisekisa ukulungela.
11. Amanyathelo okhuseleko ahambelana nemveliso ethile
Iingozi eziphathelele kwifomyula ethile:
Ngokuxhomekeke kwindlela esetyenziswa ngayo kunye nobungakanani be-HEMC, amanyathelo okhuseleko ongezelelweyo angafuneka.
Jonga izikhokelo zemveliso ethile kunye neengcebiso zomenzi.
Izikhokelo eziphathelele isicelo:
Kwimithi yamayeza, qinisekisa ukuba i-HEMC ikwinqanaba elifanelekileyo lokuyitya okanye lokuyijova.
Xa usakha, lumka uthuli oluvelayo ngexesha lokuxuba nokusebenzisa.
Ngokulandela la manyathelo okhuseleko, iingozi ezinxulumene nokusetyenziswa kwe-hydroxyethyl methylcellulose zinokuncitshiswa kakhulu. Ukuqinisekisa indawo yokusebenza ekhuselekileyo akukhuseli abasebenzi kuphela kodwa kugcina ukuthembeka kwemveliso kunye nendawo engqongileyo.
Ixesha leposi: Meyi-31-2024