No ka ʻōlelo ʻana he nui nā mea i hana ʻia i ka makahiki mai ka hoʻomaka ʻana o ka maʻi maʻi COVID-19, he haʻahaʻa kēia o nā hanana epic, no laila paʻakikī ke hoʻomanaʻo i nā lā mua o ka ʻoihana hacker hardware i hoʻohana nui. -i hana ʻia ka hopena PPE., Mea hoʻoheheʻe homemade a pēlā aku.Eia naʻe, ʻaʻole mākou e hoʻomanaʻo he nui nā hoʻāʻo e kūkulu i kēia DIY oxygen concentrator i ka wā o ka hoʻonui mua.
Hāʻawi ʻia i ka maʻalahi a me ka maikaʻi o ka hoʻolālā i kapa ʻia ʻo OxiKit, he mea kupanaha ʻaʻole mākou i ʻike i nā mea like ʻole.Hoʻohana ʻo OxiKit i ka zeolite, kahi mineral porous i hiki ke hoʻohana ʻia ma ke ʻano he kānana mole.Hoʻopili ʻia nā peʻa liʻiliʻi i loko o kahi cylinder i hana ʻia me nā paipu PVC a me nā mea pono mai kahi hale kūʻai lako, a hoʻopili ʻia i kahi mea hoʻoheheʻe ea aila ʻole ma o ka valve pneumatic i hoʻomalu ʻia e kekahi mau solenoid valves.Ma hope o ka hoʻoluʻu ʻana i loko o ka coil tube coil, koi ʻia ka ea i hoʻopaʻa ʻia e hele i loko o kahi kolamu zeolite e mālama pono i ka nitrogen a ʻae ʻia ka oxygen e hele.Hoʻokaʻawale ʻia ke kahawai oxygen, komo kekahi ʻāpana i ka pahu paʻa, a komo kekahi ʻāpana i ka puka o ka hale kiaʻi zeolite lua, kahi i hoʻokuʻu ʻia ai ka nitrogen adsorbed ikaika.Mālama ka Arduino i ka valve e hoʻokahe i ke kinoea i hope a i waho e hana i 15 lita o 96% oxygen maʻemaʻe i kēlā me kēia minuke.
ʻAʻole maikaʻi ʻia ʻo OxiKit e like me nā mea hoʻoheheʻe oxygen pāʻoihana, no laila ʻaʻole ia he mālie.Akā ʻoi aku ka liʻiliʻi o kēia ma mua o kahi ʻāpana kalepa, a no ka hapa nui o nā hackers, maʻalahi ke kūkulu.ʻO nā hoʻolālā OxiKit he kumu wehe wale nō, akā ke kūʻai aku nei lākou i nā mea hana a me kekahi mau ʻāpana paʻakikī ke kūʻai aku, e like me ka zeolite.E ho'āʻo mākou e kūkulu i kekahi mea e like me kēia no ka maʻemaʻe o ka ʻenehana.ʻO ka loaʻa ʻana o kahi puna oxygen kahe nui ʻaʻole ia he manaʻo maikaʻi ʻole.
ʻO 15 liters i kēlā me kēia minuke he mea kupanaha loa.Ma ke ano o ka unahi, ua lawa ia e hoomau i ke ola o 7 kanaka malalo o na kulana maamau (kekahi kanaka @ 2 lita no ka minuke).
Ua makemake mau au e ʻike pehea e hana ai kēia mau mea.hoihoi.Me he mea lā ua aneane e uhaki i nā kānāwai o ka thermodynamics, akā ʻaʻole ia ka hihia.
Me ka nui o ka oxygen i hana ʻia, makemake au e ʻike i ka mea e hiki mai ana inā e kau ʻoe i kēia pēpē ma luna o ka mīkini kaʻa a/a i ʻole e hoʻonui.Ua like paha ia me ka nitrite.E palekana loa kēia, no ka mea hiki iā ʻoe ke hoʻonohonoho i mea e hoʻopau koke ʻia ka oxygen "maʻemaʻe" ma kahi kokoke i ka ʻenekini ma kahi o ka mālama ʻana ma nā wahi āpau.Eia naʻe, pono wau e hoʻoponopono mua i ke kaʻa.Backfired… "E pōʻino."
Manaʻo wau he mea maikaʻi kēia no ke kuʻi ʻana/brazing/ʻoki ʻana i ka oxygen/propane, oxygen/hydrogen a i ʻole oxygen/acetylene.
ʻAe, ma hope o koʻu nānā ʻana i kēia wikiō, ua hoʻopuka ʻo YT i ka wikiō manaʻo a Dalbor Farny ma ka concentrator O2.ʻO ke kumu o ka hāʻawi ʻana i ka lama wahie oxygen e pono ai no ka lathe puhi aniani.E hana i kāu paipu kikohoʻe ponoʻī.ʻOiaʻiʻo, hui pū ʻeono o lākou e hana i 30 lpm O2.
Manaʻo wau he ʻenekini 2-lita e holo ana ma kahi mau kaukani RPM e hoʻopau i ka mīkini 15-lita ma kahi o 1 minuke.Eia naʻe, hiki anei i kēia ke hoʻonui i ka pae o ka oxygen i ka ea intake i kahi pae kūpono?ʻaʻole maopopo
Hiki i ka Nitrite ke hāʻawi i ka ikehu no ka mea, hoʻokuʻu ʻo ia i kahi mole naikokene no kēlā me kēia mole nitrous oxide decomposed (mālama ʻo ia i kona leo i ka pau ʻana o ka oxygen), e like me ka hoʻonui ʻana i ka ʻike oxygen kūpono ( E hoʻokuʻu pū ka hoʻokuʻu i ka wela).ʻAʻole maikaʻi ka hoʻoheheʻe ʻana i ka oxygen maʻemaʻe, no ka mea, e nalowale ana ʻoe i ka leo a pono ʻoe e hoʻoponopono i nā pilikia e hoʻopau ai i ka poloka mīkini.
Pono ʻoe e hoʻonui nui.ʻO kahi mīkini kaʻa 2-lita me ka wikiwiki o 2500 rpm "hanu" ma kahi o 2.5 cubic mika o ka ea i kēlā me kēia minuke (21% O²).He 600 paha ia o ko ke kanaka e hoomaha ana.ʻO ka nui o ka hanu i hoʻopau ʻia e nā kānaka ma kahi o 25% o O², aʻo ka nui o ka hanu i hoʻopau ʻia e nā kaʻa ma kahi o 90%…
Hoʻopau pū ia i nā piston wela a hoʻoheheʻe ʻia.Ma ka hili ʻana i ka wahie hui ʻia, hiki iā ʻoe ke loaʻa i ka mana hou aʻe mai kekahi ʻenekini.Akā e heheʻe ka piston ma muli o ka piʻi ʻana o ka wela.ʻO ka haʻahaʻa o ka oxygen ka mea e pale ai i ka hoʻoheheʻe ʻana o ka metala.
Hoʻopaʻa ʻia nā ʻenekini kaʻa maʻamau e ka lele ʻana o ka ea a e hoʻopuka i ka mana kiʻekiʻe i ka wā e puhi ai i ka oxygen āpau i ka lewa.Loaʻa kēia ma ka hoʻonui iki ʻana i ka hui ʻana, ʻaʻole ia e puhi i kekahi ʻaila.Inā ʻaʻole i koi ʻia ka mana kiʻekiʻe, holo maʻamau nā ʻenekini kaʻa ma kahi liʻiliʻi liʻiliʻi, no ka mea, ʻo ka hana waiwai nui o ka wahie, ʻo ia ka hoʻemi ʻana i ka hoʻokele waiwai a me ka hoʻonui ʻana i ka haumia hydrocarbon.
Inā makemake ʻoe e hoʻohana i kēia hiʻohiʻona no ka hoʻonui ʻana i ka mana, pono ʻoe i kahi ala e hoʻopunipuni ai i ke kamepiula ʻenekini e hoʻohui i kahi pākēneka o ka wahie i ka manawa like.
Inā hiki iā ʻoe ke mālama mau i ka lākiō ea-wahie, ua like ia me ka wehe ʻana i ka throttle ma kahi hapa hapa wale nō.
Eia nō naʻe, inā ʻoi aku ʻoe ma mua o "kahi mau pakeneka" (me ka manaʻo ambiguity…), hiki iā ʻoe ke hōʻea i ka palena o ka hiki o ka ECU ke hoʻomaopopo i ka nui o ka ea e komo ai, a i ʻole e hoʻomalu i ka nui o ka wahie e kahe ana i waho, a i ʻole e hoʻonohonoho i ka manawa hoʻāla kūpono me ka nānā ʻole i ka wikiwiki. a ke hoʻohana nei ʻoe i ka ea.
ʻO ka nui o ke kahe e pono ai e mālama i ke kanaka e hilinaʻi nui i ko lākou kūlana!He mea maʻalahi ka 2 l / min.Nui nā maʻi e koi ana i ka mālama koʻikoʻi e koi i 15 l / min.
E makaʻala wale i ka pau ʻana o ka oxygen.Hiki i ka nui o ka oxygen ke hana i nā mea he nui a hiki ke hoʻopau i ka puhi ʻana o nā aila a me nā lubricants.ʻO ia ke kumu e hoʻohana ai lākou i nā compressors ʻaila ʻole.
ʻO ia, a me nā mea ʻē aʻe he nui "ʻaʻole intuitive koke" O2 kaʻina hana hiki ke hōʻeha iā ʻoe, ʻoi aku ma lalo o ka piʻi ʻana o ke kaomi.
Inā ʻoe e pāʻani ana i ka O2, hiki iā ʻoe ke hoʻohana i ko Vance Harlow's Oxygen Hacker's Companion (ua loaʻa paha i nā divers nitrox kēia hoa): http://www.airspeedpress.com/newoxyhacker .html
ʻAʻole maopopo iaʻu ka puke, ʻo ia ka mea hoʻohana, ʻaʻole ka tuner.Eia naʻe, mahalo no kāu kuhikuhi ʻana, e kauoha wau i kope i ka wā e lilo ai ka palapala!
ʻAe, e haʻi aku wau.ʻO ke ʻano hāʻule o ka ea i hoʻopaʻa ʻia ʻo PVC he shrapnel explosion, no laila e nānā pono i kēia mau helu kaomi-e like me ka piʻi ʻana o ke anawaena o ka paipu, e emi ana ka helu kaomi.
I nā makahiki 1980 mua, ua hana au no kahi hui hoʻolimalima lāʻau lapaʻau nāna i hoʻolimalima a lawelawe i nā mea hana oxygen Devilbiss.I kēlā manawa, ua like ka nui o kēia mau ʻāpana me kahi pahu hau pia liʻiliʻi.Ke hoʻomanaʻo pono nei au i ke ʻano o ka "hardware storage" o kona ʻano i loko.Ke hoʻomanaʻo nei au ua hana ʻia ka moena kānana me ka paipu PVC 4-inihi a me ka uhi, no laila ua kūlike ke ʻano i wehewehe ʻia i loko o kēia pāhana me ka ʻenehana kahiko (akā maopopo maoli).
ʻO ka compressor he ʻano piston / diaphragm pālua-oscillating, no laila ʻaʻohe aila i loko o ka ea paʻa.ʻO ka valve i loko o ke poʻo compressor he ʻohe kila kuhili ʻole.
Hana ʻia ka hoʻokaʻawale ʻana i ke kahawai e kahi mīkini mīkini, ʻaʻole pono ʻo Arduino.Loaʻa i ka manawa ka hoʻonohonoho ʻana (ka mīkini kaʻa uaki) e hoʻokele i kahi kumu me nā huila cam he nui.ʻO ke kīpili liʻiliʻi e kau ana ma luna o ke kāmela e hoʻā i kahi pahu solenoid, e neʻe ai ke kinoea a puni.
ʻO ka ʻenemi nui o kēia mau mīkini ʻo ka haʻahaʻa haʻahaʻa.Hoʻopau ka adsorption o nā molekala wai i ka moena sieve.
Ma mua o koʻu haʻalele ʻana i ka hui, hoʻomaka mākou e kiʻi i kahi concentrator mai kahi mea hoʻokūkū o Devilbiss (ʻaʻole ʻike ʻia ka inoa iaʻu i kēia manawa), a ua hōʻike ka hui i ka holomua nui.Ma waho aʻe o ka concentrator hou liʻiliʻi a mālie, ua kūkulu pū ka hui i ka moena sieve me ka hoʻohana ʻana i nā paipu alumini.Ua uhi ʻia ka paipu me kahi pā me nā ʻāpana mīkini no nā apo-O.Manaʻo wau i ke kākoʻo piha piha e hui pū ai i nā hui.ʻO ka maikaʻi o kēia hoʻolālā inā pono, hiki ke hoʻokaʻawale ʻia ka moena a hiki ke hoʻololi i nā mea sieve.Ua hoʻopau pū lākou i nā manawa mīkini a hoʻololi iā lākou me nā mea uila maʻalahi a me nā SSR e hoʻoulu i nā solenoids.
Pono lākou i ka hoʻohana ʻana i ka paipu SCH40 (ka helu helu 260psi @ 3 ″) a ua hoʻolako pono ʻia me ka valve palekana 40psi a me kahi mea hoʻoponopono 20-30psi ma mua o ke kaomi ʻana o ka PVC, no laila aia kahi mea palekana maikaʻi.ʻAʻole maopopo pehea e ʻike ʻia ai iā O2 E hoʻololi i ka ikaika.
ʻO ka paʻi pahū o ka SCH40 he nui nā manawa i helu ʻia-ma muli o ke anawaena.He 850 psi ka paipu 3-inihi, a he 500 psi ka paipu 6-inihi.ʻO 1/2 iniha kahi kokoke i 2000 psi.Pālua ka helu o SCH80.ʻO kēia ke kumu ʻaʻole pahū nā mea hoʻolaha tennis PVC-nui loa.ʻO ka hoʻonui ʻana iā lākou i kahi keʻena puhi ahi 6 a 8 paha e hoʻonui ai i kou laki.Akā ma ka laulā, makemake nui ka poʻe hacker e hoʻohaʻahaʻa i ka ikaika o nā puʻu plastik.https://www.pvcfittingsonline.com/resource-center/strength-of-pvc-pipe-with-strength-chart/
Makemake wau e ho'ēmi i ka hiki o ka amateur e hoʻohana i ke ahi (a me ka maʻemaʻe paha).Kūʻai pinepine ka mākeke leʻaleʻa i nā cylinders oxygen olakino.ʻO ia koʻu manaʻo mua, akā ʻoi aku ka nui o ke kumukūʻai o ka kit + BOM ma mua o ke kumukūʻai o kahi ʻoihana lapaʻau i hoʻomaha.
Hiki i ka mīkini kaʻa 2 lita ke hoʻopau i 9,000 lita/minuke o ka oxygen (kiʻekiʻe kiʻekiʻe), no laila ʻo 15 lita/minuke o ka oxygen ma kahi o 600 mau manawa pōkole., He mea hooluolu keia.Ua kūʻai au i kekahi mau concentrators i hoʻoponopono hou ʻia o 5 lita i hoʻokahi minuke no $300 paʻa (me he mea lā ke piʻi nei ke kumukūʻai).He 5 lita / minuke.Hoʻohana ʻia kekahi mau haneli watts, no laila ua hoʻonui ʻia ʻo 9000 lita i kēlā me kēia minuke (no nā hana leʻaleʻa wale nō) e koi ai ma kahi o 360 kW (480 hp).
No ka mea, ua kākau ʻia kā lākou algorithm e ka hui Berlin.(E helu i hoʻokahi a loaʻa iā ʻoe kahi hōkū gula.)
E nānā i ka pūnaewele o ka hui… pono, ʻaʻole maopopo nā kikoʻī o kā lākou hale kūʻai, akā e kūʻai aku lākou iā ʻoe i 5 paona no $75.00.No laila e nānā kākou i ka github.Mai.ʻAʻohe BOM ma laila.
Loaʻa iā mākou kahi hoʻolālā electromechanical open source e hiki ke haʻi iā ʻoe pehea e kūkulu ai ma kahi o ka hoʻopiha ʻana.Kapa au i keia he wahi i nele ai ka ike nui.Me he mea lā e hoʻokiʻekiʻe kuʻemaka… he mea hoihoi.
Ua ʻōlelo ʻo OxiKit ma kahi ʻōlelo ma kekahi o kā lākou wikiō (ka mea aʻu i hoʻopili ai i ka moʻolelo, ʻo ia hoʻi ʻo IIRC) ʻo ia ka sodium zeolite.
E like me nā kānana molekala ʻē aʻe, haʻi ʻoe i ka mea hana i kāu makemake e hoʻohana ai, ʻaʻole no ka mea.No ka mea he mea like lākou, akā ʻokoʻa ka aperture.
Hoʻohana maʻamau nā concentrators O2 i ka 13X zeolite 0.4 mm-0.8 mm a i ʻole JLOX 101 zeolite, ʻo ka lua ka mea nui loa.I ke kūkulu hou ʻana i ka craigslist o2 concentrator, ua hoʻohana au i ka 13X.Aia mau ke kukui ʻōmaʻomaʻo, no laila ʻo 94% ka maʻemaʻe o ka o2.

https://catalysts.basf.com/files/literature-library/BASF_13X-Molecular-Sieve_Datasheet_Rev.08-2020.pdf

Hiki ke hoʻohana ʻia nā kānana molekala 5A (5 angstrom).Manaʻo wau he mea liʻiliʻi ke koho no ka nitrogen, akā hiki ke hoʻohana ʻia.
Aia kekahi animation maikaʻi ma Wikipedia e hiki ke kōkua intuitively iā ʻoe e hoʻomaopopo i ke kumu hana o ka mea hana: https://upload.wikimedia.org/wikipedia/commons/7/76/Pressure_swing_adsorption_principle.svg Hoʻokomo au i ka ea hoʻokomo A adsorption O oxygen Output D desorption E hoopau
Ke piha ka kolamu zeolite i ka naikokene, ua hoohuli ia na kiwi a pau e hookuu i ka naikokene i hookomoia e ke kolamu.
Mahalo nui iā ʻoe no kāu wehewehe pōkole.Ua noʻonoʻo mau wau inā hiki ke hoʻohana ʻia ka mea hoʻoheheʻe nitrogen no nā papahana DIY o ka hoʻoheheʻe nitrogen ma ka home.No laila, ʻo ka hoʻoheheʻe ʻana o ka oxygen concentrator he nitrogen maoli: kūpono, e hoʻohana wau ia i loko o kaʻu hale kūʻai alakaʻi ʻole.
ʻOiaʻiʻo, no ka poʻe amateurs, he mea maikaʻi loa ia e hiki ke hoʻololi i ka ea i ka hapa nui o ka oxygen maʻemaʻe a me ka hapa nui o ka nitrogen.Makemake au e ʻike inā hiki iā ʻoe ke hoʻohana i ka "mostly nitrogen" ma ke ʻano he kinoea pale no ka wili.
No TIG (ʻike pū ʻia ʻo GTAW), no ka mea paʻakikī loa ka plume plasma, ʻaʻole maopopo iaʻu.Hoʻohana nui ʻia ke kinoea Argon, i kekahi manawa me kahi kinoea helium liʻiliʻi e komo i loko o nā mea e like me ka alumini a me ka titanium.ʻO ke kahe e pili ana i ka 6 a 8l / min, hiki paha ke nui no ka compressor maʻamau.
No ke kuʻi ʻana, pono e kūʻai aku nā ʻoihana hoʻoheheʻe nui i ke kinoea pale hau no ka hana rohs, akā ʻo ke kumukūʻai o ka pahu ma waena o 1-2k euros.ʻO ko lākou kahe kahe ʻana ma kahi o 1l/​​min, he mea kūpono loa ia no nā kānana molekula.No laila, e hōʻuluʻulu kākou i kekahi mau lako a hana i ka hoʻoheheʻe kepau ʻole i ka hale!
Makemake nā welders e hoʻohana i ka nitrogen maʻemaʻe e like me ke kinoea pale.ʻOi aku ka maikaʻi ma mua o ka argon a i ʻole helium liʻiliʻi.ʻO ka mea pōʻino, ua lawa ka reactive i ka wela i loaʻa i ke arc a makemake e hana i nā nitrides makemake ʻole i ka weld.
Hoʻohana ʻia ia no ka welding shielding gas, akā he liʻiliʻi wale nō e hiki ke hoʻololi i nā ʻano o ka weld.
ʻOiaʻiʻo, hiki ke hoʻohana iā ia i ka welding laser, akā ʻaʻole paha i loaʻa kēia hana i kahi mea i hoʻolako maikaʻi ʻia.
No laila, ma ke kumumanaʻo, hiki ke hoʻohana i hoʻokahi PSA e hoʻemi i ka nitrogen, a laila kekahi PSA (hoʻohana i ka zeolite ʻē aʻe) e hoʻemi i ka oxygen, e waiho ana i kahi kiʻekiʻe o nā mea ʻaʻole oxygen a i ʻole nitrogen.
Ke pololei ʻoe, i kēlā manawa, manaʻo wau e hoʻokaʻawale i ka ea a laila e hoʻokaʻawale i ke kinoea āu e makemake ai.
@Foldi-He wahi pelupili e pili ana i ka hookomo ikehu a me ka puka makani.Ua ʻae loa wau e ʻoi aku ka kiʻekiʻe o ka pono ma kahi ʻano nui no ka mea hiki iā ʻoe ke hoʻohana i ka evaporation no ka pre-cooling.
Akā ma kahi liʻiliʻi liʻiliʻi, e loaʻa iā ʻoe ka 1 compressor, 4 zeolite towers a me kahi pūʻulu o nā puʻupuʻu uila uila a me ke kumu kūʻai mua o kahi mea hoʻoponopono liʻiliʻi (The Brain), aʻu e manaʻo nei e emi.
Hiki iā @irox ke hoʻohālikelike me ka maopopo, akā ʻaʻohe mea e hoʻohana ana i ka 2 lita o ka oxygen e make koke/deteriorate me ka loaʻa ʻole o ka oxygen.No ka hoʻohālikelike ʻana, ʻo kā mākou maʻi maʻi maʻi maʻi maʻi maʻi maʻi kiʻekiʻe kiʻekiʻe ma muli o COVID, e loaʻa iā 45-55L inā ʻo FIO2 he 60-90%.ʻO kēia kā mākou mau maʻi "kūpaʻa".Inā ʻaʻohe kahe kiʻekiʻe, e pōʻino koke lākou, akā ʻaʻole lākou e maʻi nui e hoʻokomo ʻia mākou.E ʻike ʻoe i nā helu like a ʻoi aʻe paha no nā maʻi ARDS ʻē aʻe a i ʻole ka nui o nā kūlana ʻē aʻe e koi ana i kahi cannula nasal ʻoi aku ka nui ma mua o kahi cannula nasal maʻamau.
Noʻu, he niche ka hoʻohana ʻana.Hiki i kēia ke mālama pono i nā maʻi 2 i ke kaomi o 6-8 L, ʻo ia kahi kahi e hoʻomālamalama ʻia ai ke kahe kiʻekiʻe ma luna o ka cannula nasal maʻamau a i ʻole NIPPV.Makemake wau e ʻōlelo he mea maikaʻi loa kēia no kahi haukapila liʻiliʻi me ka hāʻawi ʻana i ka oxygen liʻiliʻi, a hiki ke hāʻawi i nā lawelawe lapaʻau i nā poʻe maʻi me nā maʻi maʻi maʻi i nā kūlana pilikia pōkole.
ʻAi paha ka mea maʻi i 6 lita (a i ʻole 45-55 lita) o ka oxygen i kēlā me kēia minuke, a i ʻole ua nalowale kekahi, exhaled i ke kaiapuni a i ʻole kekahi mea?
ʻO koʻu ʻike / ʻike he ʻōnaehana kākoʻo ola i kaupalena ʻia no nā poʻe olakino (me ka lawe ʻia ʻana o ka carbon dioxide a ma kahi o 2 lita o ka carbon dioxide i hoʻohui ʻia i kēlā me kēia kanaka i kēlā me kēia minuke), no laila mahalo i ka nui o ka hoʻohana ʻana i nā lāʻau lapaʻau, he mea wehe maka kēia!
He mea nui e hoʻomanaʻo e lawe ana lākou i ka oxygen, no ka mea, paʻa loa ko lākou māmā i ka lawe ʻana i ka oxygen.No laila, ke hoʻohālikelike ʻia me nā pono theoretical o ke kino o ke kanaka, he kiʻekiʻe loa ke kumukūʻai, no ka mea, he kakaikahi ka poʻe i komo.
ʻAʻole maopopo iaʻu inā ʻo ka mea ʻōlelo ka mea nāna ia i hoʻolālā, akā ʻaʻole like kēia me kāna wehewehe ʻana.ʻAʻole hiki i nā kānana molekula a me nā zeolite ke paʻa iā N2, hiki iā lākou ke paʻa iā O2.No ka hopu ʻana iā N2, pono ʻoe i kahi mea hoʻoheheʻe nitrogen, he holoholona ʻokoʻa loa ia.Hoʻopaʻa ke kānana i ka O2 ma lalo o ke kaomi ʻoiai e hele mau ana ka nitrogen.Pono kēia e pololei, no ka mea, ke hoʻokuʻu ʻoe i ke kaomi a hoʻohana iā ia e hoʻolei i ka N2 i kahi kolamu ʻē aʻe, ʻaʻole kūpono ke hoʻāʻo e wehe i ka N2 me N2..ʻO kēia nā ʻāpana hoʻoheheʻe kaomi ʻana (PSA), hana lākou ma ka hopu ʻana iā O2.Hiki i nā puʻupuʻu kiʻekiʻe ke kiʻekiʻe aʻe ke kiʻekiʻe (4 cylinders i hiki i ka 85%).Hoʻopili kēia i ka O2, akā ʻaʻole hana e like me kāna ʻōlelo (a i ʻole ka ʻatikala)
Pono ʻoe e hāʻawi i ke kumu ʻike i noi ʻia, no ka mea hiki iā ʻoe ke hoʻopili pono iā N2 ma nā kānana molekole zeolite 13X a me 5A.http://www.phys.ufl.edu/REU/2008/reports/magee.pdf
Ua hōʻoia pū ka ʻatikala Wikipedia PSA i ka zeolite e komo i ka nitrogen.https://en.wikipedia.org/wiki/Pressure_swing_adsorption#Process
"Akā, ʻoi aku ka maikaʻi ma mua o kahi ʻāpana ʻoihana."No ka mea ua ʻoi aku ka BOM ma mua o $1,000, he mea paʻakikī iaʻu ke kākoʻo i kēia ʻōlelo.ʻO ke kumukūʻai o nā mea no ka hale (non-portable) concentrators pāʻoihana kokoke i ka 1/3, maʻalahi ke loaʻa, a ʻaʻole koi i ka hana.ʻIke au he ʻoluʻolu ʻo 17LPM, akā ʻaʻohe mea ma waho o ka haukapila e noi i kēlā mau kaʻa.ʻO ka mea me ia noi e pili ana e nānā a hoʻokomo ʻia paha.
ʻAe, he papahana ʻoluʻolu kēia, akā ʻae, ʻaʻole i ʻike ʻia kona kumukūʻai kūpono i kekahi ʻano.Ma Australia, he $1500AUD wale nō ka lako 10l/pm.Ke manaʻo nei he $1000 ke kālā ʻAmelika, hoʻemi kēia i ke kumukūʻai o ke kūʻai ʻana i nā mea hana hou.
Ma mua o ka maʻi maʻi, ua kūʻai au i hoʻokahi ma eBay ma ke kumukūʻai ma kahi o £ 160 me ke kahe o 1.5 lita i hoʻokahi minuke ma ke kumukūʻai o 98%.A ʻoi aku ka mālie o kēia mea ma mua o kēia!Ma kēia ala, hiki iā ʻoe ke hiamoe maoli.
Akā i ka ʻōlelo ʻana, he hoʻoikaika nui kēia.E hoʻokomo i loko o ka lumi kokoke i ka paipu lōʻihi e pale i ka walaʻau a me nā pōʻino pahū…
Makemake au e ʻike inā hiki iā ʻoe ke hoʻohana iā ia ma ke ʻano he kumu nitrogen maʻemaʻe, ma nā wahi palekana a i ʻole i ka welding?
Pehea e pili ana i nā huila piha nitrogen.Ke noʻonoʻo nei i nā uku a lākou e uku ai no kēia lawelawe, pono ke kumu kūʻai nui o ka nitrogen…
He mea hoihoi paha ka hana aʻe-e kiʻi i ka puka o kēia concentrator a hoʻokaʻawale i kahi hui 95% O2 + 5% Ar.Hiki ke hana i kēia ma ka hoʻokaʻawale kinetic me ka hoʻohana ʻana i ka kānana molekala CMS i ka ʻōnaehana PSA.A laila e hoʻonohonoho i kahi pāpaʻi 150 bar e hoʻopiha i ka cylinder argon.
I kēia manawa, pono mākou i kekahi e hana i ke kaʻina hana Linde ma ka home e loaʻa ai ka leʻaleʻa pahū maoli
Ma ka hoʻohana ʻana i kā mākou pūnaewele a me nā lawelawe, ʻae maopopo ʻoe i kā mākou kau ʻana i ka hana, hana a me nā kuki hoʻolaha.Aʻo hou mai