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Pehea e helu ai i ka nui o ka SCBA Cylinder Capacity: E hoʻomaopopo i ka lōʻihi o ka hana ʻana o nā pahu kalapona.

Paʻa hanu Paʻa Pono (SCBA).He mea koʻikoʻi ia no ka hāʻawi ʻana i ka ea hanu i nā mea kuni ahi, nā limahana hoʻopakele, a me nā limahana ʻē aʻe e hana ana i nā wahi pōʻino. ʻIke i ka lōʻihi o anSCBA cylindere mau i ka wā hoʻohana he mea nui ia no ka hoʻolālā ʻana i nā hana a me ka hōʻoia ʻana i ka palekana. ʻO ka lōʻihi o ka hana o ka cylinder e pili ana i kona leo, kaomi, a me ka hanu o ka mea hoʻohana. E alakaʻi kēia ʻatikala iā ʻoe pehea e helu ai i ka hiki o kahiSCBA cylinder, me ka hoʻohana ʻana i kahi ʻano maʻalahi, me ka nānā kūikawāpuʻupuʻu huikau kalaponas, i hoʻohana nui ʻia ma muli o ko lākou māmā a me ka ikaika.

ʻO SCBA CylinderKumu: Volume a me ke kaomi

SCBA cylinders hale kūʻai i ka ea kaomi ma ke kaomi kiʻekiʻe, maʻamau i ana ʻia i loko o nā kaola a i ʻole paona i kēlā me kēia ʻīniha square (PSI). Hōʻike pinepine ʻia ka nui o ka ea i loko o ka cylinder i nā lita. ʻO nā kumu nui ʻelua e hoʻoholo ai i ka nui o ka ea e loaʻa:

  • Puʻupuʻu Poʻo: ʻO kēia ka nui o loko o ka cylinder, i hōʻike pinepine ʻia i nā lita (e laʻa, 6.8-lita a i ʻole 9-lita).
  • Paʻi Paʻi Paʻa: ʻO ke kaomi kahi e mālama ʻia ai ka ea, maʻamau ma waena o 200 a 300 bar noSCBA cylinders.

ʻO ka pahu kalapona hui pūs kaulana i nā ʻōnaehana SCBA no ka mea hāʻawi lākou i ka mana piʻi kiʻekiʻe (a hiki i 300 bar) ʻoiai ʻoi aku ka māmā ma mua o nā kila kila a i ʻole nā ​​pahu alumini. He mea kūpono kēia no nā kūlana e pono ai nā mea hoʻohana e neʻe wikiwiki a i ʻole no nā manawa lōʻihi.

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The Ke Kumu no ka helu ʻana i ka lōʻihi o ka SCBA

ʻO ka lōʻihi o ka hana aSCBA cylinderhiki ke helu ʻia me ka hoʻohana ʻana i kēia ʻano:

Ka lōʻihi o ka hana (i loko o nā minuke) = (Cylinder Volume (L) × Pressure (Bar)) / 40 – 10
  • ʻO ka “40″ i loko o ke kumu hoʻohālike e hōʻike ana i ka awelika o ka hanu ʻana o ke kanaka ma lalo o nā kūlana hana haʻahaʻa. Hiki ke hoʻololi ʻia kēia helu ma muli o ka paʻakikī o ka mea hoʻohana, akā ʻo 40 lita i kēlā me kēia minuke (L/min) kahi helu maʻamau.
  • ʻO ka "-10" ma ka hope o ke ʻano he palena palekana, e hōʻoia ana i ka mea hoʻohana e loaʻa ka manawa e haʻalele i ka wahi pōʻino ma mua o ka pau ʻana o ka ea.

Ka Laʻana Helu:

E helu kākou i ka lōʻihi o ka hana ʻana no kahi 6.8-litakalapona kalapona SCBA cylinder, kaomi i ka 300 bar.

Ka lōʻihi o ka hana = (6.8 L × 300 bar) / 40 – 10 = 2040 / 40 – 10 = 51 – 10 = 35 minuke

Ma kēia laʻana, kaSCBA cylindere hāʻawi ma kahi o 35 mau minuke o ka ea hanu ma mua o ka pono e pani ʻia a hoʻopiha hou ʻia. Manaʻo kēia helu i ka hoʻoikaika kino haʻahaʻa, a ʻokoʻa paha ka manawa hoʻohana maoli inā hoʻoikaika ka mea hoʻohana iā lākou iho.

Nā Kumu AffectingʻO SCBA CylinderKa lōʻihi

ʻOiai e hāʻawi ana ke kumu i kahi kuhi kumu, hiki i kekahi mau mea ke hoʻololi

ka lōʻihi maoli o kahiSCBA cylinderi ka hoohana ana. ʻO ka hoʻomaopopo ʻana i kēia mau ʻokoʻa he kī nui i ka hōʻoia ʻana i nā hana palekana.

1. Laki hanu

Manaʻo ke kumu i ka haʻahaʻa maʻamau

hing rate o 40 L / min, e pili ana i ka hana haʻahaʻa. I ka ʻoiaʻiʻo, hiki ke loli ka hanu hanu ma muli o ka hana a ka mea hoʻohana:

  • Haʻahaʻa Haʻahaʻa: Inā hoʻomaha ka mea hoʻohana a hana maʻalahi paha, hiki ke emi ka hanu hanu, ma kahi o 20-30 L/min, e hoʻolōʻihi i ka lōʻihi o ka cylinder.
  • Hana Kiʻekiʻe: I ka wā o ka hoʻoikaika kino kino, e like me ka hakakā ʻana i ke ahi a i ʻole ka hoʻopakele ʻana i nā kānaka, hiki ke piʻi ka hanu hanu i 50-60 L/min a ʻoi aku paha, e hōʻemi ana i ka lōʻihi o ka cylinder.

2. Paʻi Paʻi Paʻa

Hāʻawi nā cylinders ʻoi aku ka nui o ka ea no ka leo like.ʻO ka pahu kalapona'O ka hana ma'amau a hiki i ka 300 bar, ke ho'ohālikelike 'ia me ke kila a i 'ole nā ​​pahu alumini, hiki ke kaupalena 'ia i ka 200 bar. Hiki i ke kaomi kiʻekiʻepuʻupuʻu kalaponas e hoʻopaʻa i ka ea hou aʻe i loko o kahi pūʻolo liʻiliʻi a māmā, e hoʻolōʻihi i ka lōʻihi o ka hana.

3. Palekana Palekana

ʻO ka palena palekana i kūkulu ʻia i loko o ke kumu (-10 mau minuke) e hōʻoia i ka

ʻAʻole pau ka ea i ka mea hoʻohana i ka wā e noho ana i kahi pōʻino. He mea nui e mahalo i kēia pale i ka helu ʻana i ka manawa hana a me ka hoʻolālā ʻana i ka hoʻohana ʻana i ka ea, ʻoi aku hoʻi i nā kūlana kahi e lawe ai ke ala puka i mau minuke e hele ai.

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T

he Role oPaʻa Paʻa Hui Pū ʻIa Carbons

ʻO ka pahu kalapona hui pūs ua lilo i mea koho maikaʻi loa no nā ʻōnaehana SCBA ma muli o kā lākou hoʻolālā māmā a me ka hiki ke hoʻopaʻa i nā kaomi kiʻekiʻe. Hoʻohālikelike ʻia me nā pahu kila a me nā aluminika,puʻupuʻu kalaponas hāʻawi i kekahi mau pono:

  • Kaumaha: ʻO ka pahu kalaponaʻoi aku ka māmā o ka s ma mua o ke kila, e maʻalahi lākou e lawe a hōʻemi i ka luhi no ka mea hoʻohana i nā hana lōʻihi.
  • Pumi Kiekie: Hiki iā lākou ke hoʻopiha i nā kaomi a hiki i ka 300 bar, e hāʻawi i ka ea hou me ka hoʻonui ʻole ʻana i ka nui o ka cylinder.
  • Ka lōʻihi: He ikaika loa ka huila kalapona, hiki ke pale aku i ke ko'iko'i ki'eki'e me ke kū'ē i ka hopena a me nā mea kaiapuni.

He mea koʻikoʻi ka hoʻolālā māmā no nā limahana hoʻopakele e pono e hoʻomau i ke kelepona ʻoiai e lawe ana i nā mea hana ʻē aʻe, e like me nā mea hana ahi a i ʻole nā ​​​​mea lapaʻau. ʻOiai ko lākou pōmaikaʻi,puʻupuʻu kalaponas e hele mai me kekahi mau koi mālama hou, e like me ka hoʻāʻo hydrostatic maʻamau e hōʻoia i ka palekana ma lalo o ke kaomi.

Ho'āʻo Hydrostatic a meʻO SCBA CylinderMālamalama

E mālama i ka hilinaʻi oSCBA cylinders, me nā kumu hoʻohālike kalapona, pono ka mālama mau. Aia kēia me:

  • Nānā Kiʻi: E nānā no ka poino, e like me nā māwae a i ʻole nā ​​niho, ma mua o kēlā me kēia hoʻohana.
  • Hoʻāʻo Hydrostatic: Kaona kalaponaSCBA cylinders koi pinepine i ka ho'āʻo hydrostatic i kēlā me kēia ʻelima makahiki e hōʻoia i hiki iā lākou ke hoʻopaʻa i nā koʻikoʻi kiʻekiʻe. Hoʻāʻo kēia hoʻāʻo no ka hoʻonui ʻana i ka cylinder e hōʻike ana i ka nāwaliwali o ka mea.
  • Pani hou: ʻOiai me ka mālama pono,kalapona kalapona SCBA cylinders he manawa pau ʻole, ma kahi o 15 mau makahiki, a laila pono e hoʻololi ʻia.

Ka hopena

ʻIke pehea e helu ai i ka hiki a me ka lōʻihi hana oSCBA cylinders ʻo ia

mea koʻikoʻi no ka poʻe e hilinaʻi nei i kēia mau hāmeʻa i nā wahi pōʻino. Ke hoʻohana nei i ke ʻano(Ka nui × Pumi) / 40 – 10, oe can koho i ka manawa i loaʻa i loko o kēlā me kēia cylinder, me ka hoʻomanaʻo ʻana i ka nui o ka hanu ʻana, ke kaomi, a me nā palena palekana e pili ana i ka lōʻihi hope.

ʻO ka pahu kalapona hui pūs, me kā lākou hoʻolālā māmā a me ka hiki ke hoʻopaʻa i nā kaomi kiʻekiʻe, he koho kaulana no nā ʻōnaehana SCBA. Hāʻawi lākou i ka lōʻihi o ka hana a me ka hoʻomaikaʻi ʻana i ka neʻe ʻana i hoʻohālikelike ʻia me ke kila a i ʻole nā ​​pahu alumini. Eia nō naʻe, ʻo ka mālama maʻamau, me ka nānā ʻana i nā hiʻohiʻona a me ka hoʻāʻo hydrostatic, he mea koʻikoʻi e hōʻoia i ka palekana a me ka maikaʻi o kēia mau cylinders i ko lākou ola lawelawe.

ʻO ka hoʻomaopopo ʻana i kēia mau ʻano oSCBA cylindere kōkua ka mana e hōʻoia i ka hoʻohana palekana a me ka maikaʻi i nā kaiapuni paʻakikī, kahi e hiki ai i kēlā me kēia minuke o ka ea hanu ke hoʻololi.

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Ka manawa hoʻouna: Sep-14-2024