Yini okwenza ukuthi i-unit yokufaka umoya kuyisisekelo sokuvulwa kwemoya

Ukuthi I-Unit YokuNika Amasiko Ayisiphezi Kuphi Ukubalansha Kwamandla Nokubuyela Amasiko Okususwa

Inkinga Yokukhula Kwamandla: Kungani Amakhaya Amanye Angaphansi Kwezinkulungwane Ziyadinga I-MUA

Izindawo zokusebenza ezinamandla emthwakathi kule mihla yamanje ziyabuyiselwa ukuze zilindele ukukhupha kwendawo yokuhamba kwamafutha, okuyenza izindawo eziphakeme ngokuphelele apho izinhlangano zokukhupha amafutha zizwele. Uma abantu bavula izikhumba zabo zokubhala, izifan zabo zeminyango, noma izinkampani zokusebenza ezibhala amafutha ngaphandle, kuyadlala isimo sokugcina umoya ngaphandle (negative pressure) ngokushesha kakhulu. Umgca wokuvula amafutha wabonisa ukuthi lokhu kungadlala ku-50 Pa ngaphakathi kweminithi eyisithathu ngokushesha kakhulu. Lokhu okulandela kuyisimo esingasoloko. Isimo sokugcina umoya sithintela umoya waphandle ongavuliwe ngapha kwezincwadi ezincinci zemifula, sivumela ukuthi izikhumba zemifula zihambisane ngendlela engalungile, futhi sibeka ubunzima obungaphelele kwezinhlangano zokuchaza nokuhlisa umoya. Kumaqondiso owenziwe ngamafutha, isimo siyagcinwa ngokushesha kakhulu ngoba ukugcina umoya kusiza ukuthi amafutha asihlale kuzo konke, futhi akhuphela ukugcina kwezinhlobo zokufaka. Izingxenye eziphakeme zezindawo zokusebenza azikho izinhlangano zokufaka umoya ozweni (makeup air units), ngakho-ke nakuba bafuna konke amakhodi, kunezinkinga eziningi zokugcina umoya, futhi kunezinkinga zokugcina umoya zokugcina umoya kwezindawo zokusebenza.

Isifunctioni Sekhulu: Ukubuyisela Kwamandla Okuhlanzwa Okuphambili Nokulawula Ukuchitha Kwamandla Okungaphansi

Amadivayisi okubuyisela amandla ahlanzwa abaleka ngokusebenza kwezinkinga zokuchitha amandla aphuma emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngokuthatha amandla okuhlanzwa kusuka emthonjeni ngok......

Ukunqoba Ukubuyela Emuva kwezinye Iziphumo futhi Ukuvikela Ukuphatha Kwemithombo Ngokusebenza Kwe-Unit Yokuhlanganisa Amasiko

Ukuphatha Kwezinkinga: Indlela Eyo Yokuqhubeka Kwe-MUA Iyakhiqiza Ukungabikho Kwamandla Emuva Kwamathuluzi Ama-Gas

Izinkampani zokusebenzisa igasi njengezinkampani zokuphakama kwezilwane nezinkampani zokufutha kufune ukuthi zibe nesifunda sokubeka isibonelo esihle ukuze zisuse izinto ezingavumelekile ekuphakamiseni kwegasi, futhi kuzo kufaka ukuthi kuyabhekwa i-carbon monoxide. Uma izindlu ziyizimisele kakhulu futhi zibekwe ngokuphelele, isistimu sokususa amandla angaba yisibonelo esiphambana nokuvula kwendawo yokuvula okunye ngezikhumba nezinhlobo zezindawo eziningi. Lokhu kwenza ukuthi kubhekwe isibonelo esingaphansi endaweni, okungakhetha ukuthi isibonelo sisebenze ngokulandela umgomo wakho, kodwa sithintwa ngokubhekwa kwezinto ezingavumelekile ngokubuyela emuva kwezindawo abantu baphila noma bafunda kuzo. Lokhu ke sizibiza ngokuthi yi-back drafting, futhi lokhu kuyisimo esikhulu kakhulu. Ukufaka isikhombisa esisodwa ngokuphelele se-Makeup Air Unit sikhuluma le ndlela ngokuthi sifaka amandla amasha angaphandle ngokuphakeme kakhulu ukuze konke kusebenze ngendlela engeyona. Izivuli zibekwe ngokuphelele futhi zibhekwe ngokuphelele kuzo konke abantu abahlala noma abasebenza kuzo. Kulezi zindawo ezinamandla amaningi akhuluma ngokuphelele ngemini yonke, khumbula izindawo zokufutha komkhakha noma izindawo zokufutha izilwane, ukuthi lokhu kuyisimo esikhulu kakhulu, kodwa akuyiyo kuphela isimo esikhulu, kodwa kuyisimo esisodwa kakhulu ukuze abasebenzi noma abathengi bakwazi ukudlala amandla amsha.

Ukuhambanana Kwemibhalo: Imibhalo Yase-NFPA 54/96 ne-ASHRAE 62.2 Eziqinisekisa Ukugxilwa Kwemithombo Yomoya Oshisayo

Imithambo yokuqinisa ukuthi indawo yokuqinisa ibe yisifundo esihle kakhulu kuyabiza ukuthi kufanele kwenziwe ukufaka isikhathi sokubuyela kwamanzi (MUA) ngokuphelele ukuze sikhubaze izimo eziphambili zokuphuma kwamanzi. Ngokwesibonelo, i-NFPA 54, okuyizibhalo zokugcina amandla amanzi nangaphandle, kuyabiza ukuthi kufanele sibuyele amanzi ngokulingana nokuthi kusukela kwezinkampani zokuphuma kwamanzi. Kuyabizwa futhi i-NFPA 96, okuyizibhalo zokugcina izindawo zokusebenza kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa kwezindawo zokuzwa k......

Ukugcina Umoya Wemibili Ngaphandle Kwemithombo Yomoya Emhlophe, Ezingaphansi Kwezinyathelo Zokugcina

Ukungena Kwamadoda Ama-CO₂, Umphumela Womoya, Nokuthwasa Kwamadoda Amahleli Ngaphandle Kwesikhundla Sokubusa Umoya Osheshayo

Xa imithombo yomoya iyisibonelo esihlukile, kungaba kuyigcina amadoda ama-CO₂ ngaphezulu kwe-1000 ppm, okuyikhubaza ukuziphatha kwabantu ngokwesifundo sika-EPA. Ngokufanayo, xa umphumela wemibili uphuma phakathi kwe-60%, izihlahla ziyadlala kakhulu kunezinhloso zezinye. Izindawo ezingaphandle kokudlala kwezinye zokudlala kwezinye ziyagcina izinto eziningi ezimbi njengezinkemikali zokuchitha ne-formaldehyde ekupheleni kwemithombo yokuqondisa. Izinga lokuhlaziywa kwemibili ngaphandle kwezindawo ziyabizwa kusukela kwezimbili ku-5 kunezinhloso zezindawo zangaphandle, ngokwesifundo esihlukile emhlabeni ngokuhlanganisa umoya wemibili. Isiphumo siyisho kwezinhloso zokudlala ezinamandla okubringa umoya osheshayo ngaphandle futhi okususa umoya owodwa ngaphandle ngokulinganisa okusho kwezinhloso zika-ASHRAE 62.1. Lokhu kucacisa ukuthi izinto ezimbi azikwazi ukuthwasa ngaphandle kwezindawo ezingaphandle.

Ukugxilwa Kwemithombo: Imisiko Yezindawo Zokusebenza Ngokwezindawo Ezihlanganisiwe Nezinhloso Zokuhlanzwa Kwe-Air Quality (IAQ) Ezivumelwe UL 1995

Izindawo zezinkundla ezenziwe ngokuchaza kahle ziyasebenzisa izisifunda sezinkundla zokufaka amafutha ezinkundla ezingaqondi kahle, okuyisisekelo sokusebenza ngokuhambisana nezisifunda zesikhathi sezinkundla zokuphatha ukuthi amafutha ayalwa ngokuphelele (IAQ) esiqinisekisiwe ngokusebenzisa i-UL 1995. Izisifunda zilabona ubukhulu bezinkundla zokudla (CO₂), izinkundla zemithi emafutheni, nokuthi yini ubukhulu bekukhanya kwesikhathi, bese bavumela ukuthi amafutha ayofika kuphela kuzinkundla ezingaqondi kahle apho kubalulekile ukuthi abe nazo. Isibonelo, kuzinkundla zokuphatha ukuthi amafutha ayalwa ngokuphelele kwezindawo zokuphatha ukuthi amafutha ayalwa ngokuphelele (commercial kitchens), lezi zinkundla zivumela ukuthi amafutha amasha atholakale ngokuphelele xa izihlangu zokuphatha ukuthi amafutha ayalwa ngokuphelele (range hoods) ziyaqhubeka ngokuphelele kusikhathi sokuphatha ukuthi amafutha ayalwa ngokuphelele (busy meal times). Ngaphezu kwalokho, izindawo zokuxoxa ziyathola ukuthi amafutha ayalwa ngokuphelele ngokuphelele kuphela xa abantu baphila kulo, ngokushiyela izisifunda zokubona ukuthi abantu baphila kulo (occupancy detectors) zibona ukuthi kungani okwenziwa kulesikhathi. Lokhu kuhle kakhulu kokuthi amafutha ayalwa ngokuphelele kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuthi kuth......

Izindlela Zokusebenza Eziningi Ezidinga Izinkampani Zokuhlela Amasiko Amanzi

Izihlelo zesikhathi sokuphuma (MAUs) ziyisisekelo esiphambili kumizimbi apho kukhona ukuphuma kakhulu kusikhathi, uma sifuna ukugcina izinto ngokwesakhiwo nokuthembeka kwezinhlangano. Faka izindawo zokusebenza zokufika kahle njengokuthi ziyadinga izihlelo zesikhathi sokuphuma ezigcwele ngoba lezi zihlelo zokuphuma ezinkulu ziyaphuma phansi kwe-1500 ku-10000 cubic feet per minute yesikhathi. Uma akukho isikhathi sokuphuma esifanayo, indawo yokuqala iyakwenzela ukungabi nesikhathi sokuphuma futhi iyakubuyisa i-carbon monoxide engamandla emashini yokufika kahle emsebenzi, okuyikhubaza imithombo ye-NFPA 96. Amalabho nezindawo zokusebenza zokuziphatha ziyathola izinkinga zokufana kodwa nezidingo ezahlukene. Izihlelo zesikhathi sokuphuma zabo kufanele zibhekwe ngokucacile ukuze zihandle izihlelo zesikhathi sokuphuma futhi zilungisele isikhathi sokuphuma esihle kumaziko okuhlanzwa ukuze akukho lutho lizofika kumaziko amabili. Kuzindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma, izihlelo zesikhathi sokuphuma zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwezindawo zokuphuma kwe......

Imibuzo Evame Ukubuzwa

Isithombe sesikhathi sokuhlela amandla kuyiphi futhi kungani kubalulekile?

Isithombe sesikhathi sokuhlela amandla (MUA) sikhuluma ukubuyela isibalo semaphetha emkhakheni ngokufaka amandla amasha, amandla athuluzwe, okukhupha ukungabi nesibalo semaphetha futhi ukugcina ubuchwepheshe bemphakathi.

Ukungabi nesibalo semaphetha kufanele kwenza kanjani emkhakheni?

Ukungabi nesibalo semaphetha kungakhuthaza amandla angathuluzwa kusuka ngamaphetha, kungahlela ukuguqula kwezinye zezindawo zokuphuma kwamandla, kungabeka imiphumela yezinkampani zokuhlisa nokuhlisa amandla, futhi kungahlela izinkinga zokuhlisa amandla kanye nezinkinga zokugqibela kwezindawo zokusebenza.

Izimboni zezimpendulo zikuthi zingakanjani kusithombe sesikhathi sokuhlela amandla?

Izimboni ezibalulekile zivela ku-NFPA 54/96 ekubhaleni isithombe sesikhathi sokuhlela amandla ngokufanana nomphetha wesikhathi sokuhlela amandla kwezinkampani zokuhlisa amandla, kanye ne-ASHRAE 62.2 yokubalansha ukuphuma kwamandla emakhaya.

Kuzinini izindlela zokusebenza ezingadinga izisombululo sezithombe sesikhathi sokuhlela amandla esikhundleni?

Amakhaya okusebenza kwezindawo zokusebenza, izilaboratori, izihospitale, izindawo zokusebenza kwezindawo zokushisha, kanye nezindawo zokusebenza ezizokusebenza ngamandla okushisa okunokubangela ukuphuma kwamandla kufanele zibe nesithombe sesikhathi sokuhlela amandla esikhundleni ukuze zifanele nezimboni zokuphepha kanye nokugcina ubuchwepheshe bemphakathi.