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Pūnaehana pale pahu pahu mālama LNG cryogenic

Na Luna Hooponopono
Lā: Mar 20, 2020
I ke kaʻina hana maʻamau o nā pahu mālama LNG, ʻo nā ʻāpana kaʻina e like me ka pae wai, ke kaomi, a me ka mahana e hoʻomalu nui ʻia. Hoʻohana ʻia ka ʻōnaehana hoʻokele kamepiula e nānā inā aia nā ʻāpana kaʻina i loko o kahi ākea kūpono i ka lumi hoʻomalu. ʻO ka LNG cryogenic storage tank wai ka pae kumu nui i mālama ʻia e ka mea kanu LNG. ʻO ka hoʻokomo ʻana i ka LNG i loko o ka pahu waihona a me ka hoʻouka ʻana a me ka lawe ʻana i waho o ka LNG hiki ke hoʻololi i ka pae wai o ka pahu waihona. E hoʻopuka nā pahu waihona LNG i ka mahu uila (BoilOffGas, BOG), i hoʻihoʻi ʻia e ka mea hoʻoemi e hoʻomalu i ke kaomi o ka pahu waihona. Aia nā ʻāpana wela i nā ʻāpana kōkua oLNG cryogenic pahu pahu, ka mea i hoʻohana nui ʻia e kōkua i ka nānā ʻana o ka LNG evaporation a me ka leakage o nā pahu mālama.

Hoʻomalu ʻia nā ʻāpana i luna ma kahi ākea kūpono. Ke ʻoi aku ka nui o ka mana hoʻomalu, pono e lawe ʻia nā ʻano pale e pale aku ai i nā ʻāpana mai ka hoʻomau ʻana i ka ʻoi aku o ka pae hoʻāla a me ka hopena o nā pōʻino. Hoʻolako pinepine ʻia nā pahu mālama LNG me nā ʻōnaehana pale:

1) Pūnaehana palekana pae wai. Hoʻohana ʻia ia e ka mea hoʻohana e nānā i ka pae wai o ka pahu kaomi, e hoʻomaopopo i ka pae wai o ka pahu mālama i ka manawa a helu i ka hiki ke mālama LNG, e pale i ka kahe o ka wai o ka pahu a me ka LNG hoʻouka ʻana mai ka haʻalele ʻana.
2) Pūnaehana pale kaomi. ʻO ke kaomi hoʻolālā o ka pahu waihona LNG ma ke ʻano maʻamau -0.6 ~ 14kPa (kahi ʻāpana o ke kaomi hoʻolālā o ka pahu waihona e hiki i 20kPa). ʻAʻole hiki ke hoʻokuʻu ʻia ke kinoea BOG i ka manawa, a ʻoi aku ka nui o ka pahu mālama cryogenic; inā ʻaʻole, inā ʻoi aku ka nui o ka mana o ka compressor pumping, e ʻike ka pahu waihona i ke kaomi maikaʻi ʻole. ʻO ka overpressure a me ka puʻuwai maikaʻi ʻole e hoʻoweliweli koʻikoʻi i ka pahu mālama a hiki i ka pahū a me nā pōʻino ʻē aʻe. No laila, pono e hoʻonohonoho ʻia kahi ʻōnaehana pale kaomi.

3) Pūnaehana leak alarm. Hoʻonohonoho ʻia nā thermometers nui me ka puʻunaue like ʻole ma ka ʻāpana annular ma lalo o kamoku kaomisandwich, ka paia o loko o ka pahu o waho, a me ka hakahaka o ke kaupaku. Hiki i ka pahu o loko ke makaala koke a lawe i nā ana kūpono ma hope o ka lele ʻana o ka LNG mai ka pahu i loko.

4) Pono e hoʻolako pū ʻia nā mea ʻē aʻe me ka ʻike ʻana i ka leak gas flammable a me nā ʻōnaehana ʻike ahi a me nā ʻōnaehana pale ahi e pale i ka hana maʻamau o nā moku kaomi.
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