Yadda ake ƙididdige ƙarfin Silinda na SCBA: Fahimtar Tsawon Aiki na Silinda Fiber Carbon

Na'urar Numfashi Mai Ciki (SCBA) Silindas suna da mahimmanci don samar da iskar numfashi ga masu kashe gobara, ma'aikatan ceto, da sauran ma'aikatan da ke aiki a wurare masu haɗari. Sanin tsawon lokacin anFarashin SCBAzai dawwama yayin amfani yana da mahimmanci don tsara ayyuka da tabbatar da aminci. Tsawon lokacin aiki na silinda ya dogara da ƙarar sa, matsa lamba, da yawan numfashin mai amfani. Wannan labarin zai bi da ku ta hanyar yadda ake lissafin ƙarfin waniFarashin SCBA, ta amfani da tsari mai sauƙi, tare da kulawa ta musammancarbon fiber composite cylinders, waɗanda ake amfani da su sosai saboda ƙarancin nauyi da ƙarfinsu.

SCBA SilindaMahimmanci: Girma da Matsi

Farashin SCBAs kantin sayar da iska mai matsa lamba, yawanci ana auna shi a sanduna ko fam na inci murabba'i (PSI). Yawan iskar da ke cikin silinda yawanci ana bayyana shi a cikin lita. Manyan abubuwa guda biyu da ke tantance yawan iskar da ke akwai su ne:

• Girman Silinda: Wannan shine girman ciki na silinda, yawanci ana bayyana shi a cikin lita (misali, 6.8-lita ko 9-lita).
• Matsin Silinda: Matsin da aka adana iska, yawanci tsakanin mashaya 200 zuwa 300 donFarashin SCBAs.

Carbon fiber composite cylinders sun shahara a cikin tsarin SCBA saboda suna ba da ƙarfin matsa lamba (har zuwa mashaya 300) yayin da suke da sauƙi fiye da na gargajiya na gargajiya ko silinda na aluminum. Wannan ya sa su dace don yanayin da masu amfani ke buƙatar motsawa cikin sauri ko na tsawon lokaci.

The Formula don ƙididdige tsawon lokacin SCBA

Tsawon lokacin aiki na anFarashin SCBAza a iya lissafta ta amfani da dabara mai zuwa:

• "40" a cikin dabarar tana wakiltar matsakaicin adadin numfashi na mutum a ƙarƙashin matsakaicin yanayin aiki. Wannan adadin zai iya bambanta dangane da yadda mai amfani ke aiki, amma lita 40 a minti daya (L/min) daidaitaccen adadi ne.
• "-10" a ƙarshen dabarar ita ce tazarar aminci, tabbatar da mai amfani yana da lokaci don fita daga wuri mai haɗari kafin iska ta ƙare gaba ɗaya.

Misali Lissafi:

Bari mu lissafta tsawon aiki na 6.8-litacarbon fiber SCBA silinda, matsa lamba zuwa mashaya 300.

A cikin wannan misali, daFarashin SCBAzai ba da kusan mintuna 35 na iskar numfashi kafin buƙatar maye gurbin ko sake cikawa. Wannan lissafin yana ɗaukar matsakaicin motsa jiki, kuma ainihin lokacin amfani na iya bambanta idan mai amfani yana ƙoƙarin kansa ko ƙasa da haka.

Factors Affeyin aikiSCBA SilindaTsawon lokaci

Yayin da dabarar ke ba da ƙima na asali, abubuwa da yawa na iya yin tasiri

ainihin tsawon lokaci na waniFarashin SCBAa cikin amfani. Fahimtar waɗannan masu canji shine mabuɗin don tabbatar da ayyuka masu aminci.

1. Yawan Numfashi

Tsarin yana ɗaukar matsakaicin breat

Hing rate na 40 L/min, wanda yayi daidai da matsakaicin aiki. A zahiri, adadin numfashi zai iya canzawa dangane da aikin mai amfani:

• Ƙananan Ayyuka: Idan mai amfani yana hutawa ko yin aikin haske, yawan numfashi zai iya zama ƙasa, a kusa da 20-30 L / min, wanda zai kara tsawon lokacin silinda.
• Babban Ayyuka: A lokacin babban aiki na jiki, irin su fada da gobara ko ceton mutane, yawan numfashi zai iya karuwa zuwa 50-60 L / min ko fiye, rage tsawon lokacin silinda.

2. Matsin Silinda

Silinda mafi girma yana ba da ƙarin iska don ƙarar guda ɗaya.Carbon fiber cylinders yawanci yana aiki da matsi har zuwa sanduna 300, idan aka kwatanta da karfe ko silinda na aluminum, wanda ƙila a iyakance shi zuwa mashaya 200. Mafi girman matsa lamba yana ba da izinicarbon fiber cylinders don riƙe ƙarin iska a cikin ƙarami, fakiti mai sauƙi, ƙara tsawon lokacin aiki.

3. Margin Tsaro

Gefen aminci da aka gina a cikin dabara (-minti 10) yana tabbatar da cewa

mai amfani baya ƙarewa yayin da yake cikin yanayi mai haɗari. Yana da mahimmanci a mutunta wannan buffer yayin ƙididdige lokacin aiki da tsara yadda ake amfani da iska, musamman a yanayin da hanyar fita na iya ɗaukar mintuna kaɗan don wucewa.

T

shi Role naCarbon Fiber Composite Silindas

Carbon fiber composite cylinders sun zama zaɓin da aka fi so don tsarin SCBA saboda ƙirar su mara nauyi da ikon ɗaukar matsi mafi girma. Idan aka kwatanta da karfe da aluminum cylinders,carbon fiber cylinderyana ba da fa'idodi da yawa:

• Nauyi: Carbon fiber cylinders sun fi ƙarfin ƙarfi fiye da ƙarfe, yana sauƙaƙa ɗaukar su da rage gajiya ga mai amfani yayin ayyukan tsawaitawa.
• Matsayi mai girma: Ana iya cika su zuwa matsa lamba har zuwa mashaya 300, suna ba da ƙarin iska ba tare da ƙara girman silinda ba.
• Dorewa: Abubuwan da ke tattare da fiber na carbon suna da ƙarfi sosai, suna iya jurewa babban matsin lamba yayin da suke jure tasiri da abubuwan muhalli.

Zane mai nauyi yana da mahimmanci musamman ga ma'aikatan ceto waɗanda ke buƙatar kasancewa ta hannu yayin ɗaukar wasu kayan aiki, kamar kayan aikin kashe gobara ko kayan aikin likita. Duk da fa'idarsu.carbon fiber cylinders sun zo tare da wasu ƙarin buƙatun kulawa, kamar gwajin hydrostatic na yau da kullun don tabbatar da sun kasance cikin aminci a ƙarƙashin matsin lamba.

Gwajin Hydrostatic daSCBA SilindaKulawa

Don kiyaye amincinFarashin SCBAs, gami da samfuran fiber carbon, kulawa na yau da kullun yana da mahimmanci. Wannan ya haɗa da:

• Duban gani: Bincika lalacewa, kamar tsagewa ko haƙora, kafin kowane amfani.
• Gwajin Hydrostatic: Carbon fiberFarashin SCBAs yawanci suna buƙatar gwajin hydrostatic kowace shekara biyar don tabbatar da cewa za su iya magance matsalolin da ke tattare da su. Wannan gwajin yana bincika duk wani faɗaɗa a cikin silinda wanda zai iya nuna rauni na kayan.
• Sauyawa: Ko da kulawar da ta dace.carbon fiber SCBA silindas suna da iyakacin rayuwa, yawanci kusan shekaru 15, bayan haka dole ne a canza su.

Kammalawa

Sanin yadda ake lissafin iya aiki da tsawon lokacin aiki naFarashin SCBAs ni

mai mahimmanci ga duk wanda ya dogara da waɗannan na'urori a wurare masu haɗari. Amfani da dabara(Ƙarar × Matsi) / 40 - 10, ka can ƙididdige lokacin da ke cikin kowane silinda da aka bayar, la'akari da cewa ƙimar numfashi, matsa lamba, da iyakokin tsaro duk suna taka rawa a cikin lokacin ƙarshe.

Carbon fiber composite cylinders, tare da ƙirarsu mara nauyi da ikon riƙe babban matsi, zaɓi ne sananne ga tsarin SCBA. Suna ba da tsawon lokacin aiki da ingantaccen motsi idan aka kwatanta da silinda na ƙarfe ko aluminum. Koyaya, kulawa na yau da kullun, gami da dubawa na gani da gwajin ruwa, yana da mahimmanci don tabbatar da cewa waɗannan silinda sun kasance lafiya da tasiri a duk rayuwarsu ta sabis.

Fahimtar wadannan bangarorin naFarashin SCBAiya aiki zai taimaka tabbatar da aminci da ingantaccen amfani a cikin mahalli masu ƙalubale, inda kowane minti na iska mai numfashi zai iya yin bambanci.