Nernst N2032-O2/CO oxygen maʻiʻo a me ke kinoea hoʻoheheʻe ʻia ʻelua mea hoʻoponopono
Laulā noi
ʻO ka Nernst N2032-O2/CO oxygen maʻiʻo a me ke kinoea puhimea hoʻoponopono ʻeluaʻO ia ka mea hoʻoponopono piha e hiki ke ʻike i ka ʻike o ka oxygen i ka manawa like, carbon monoxide a me ka pono o ka puhi ʻana i ke kaʻina puhi.Hiki iā ia ke nānā i ka ʻike o ka oxygen a me ke kalapona monoxide i loko o ke kinoea puhi i ka wā a i ʻole ma hope o ka puhi ʻana o nā paila, umu ahi, a me nā kiln.
ʻO ka hoa loiloi me Nernst O2/CO hiki ke ana i ka pākēneka maʻiʻo oxygen O2% i loko o ka puʻu a me ka umu, ka waiwai PPM o carbon monoxide CO, ka waiwai o 12 kinoea hoʻopau a me ka pono o ka puhi ahi i ka manawa maoli.
Nā hiʻohiʻona noi
Ma hope o ka hoʻohana ʻana iā Nernst N2032-O2/CO oxygen maʻiʻo a me ke kinoea puhimea hoʻoponopono ʻelua, hiki i nā mea hoʻohana ke mālama i ka nui o ka ikehu a hoʻopaʻa i nā hoʻokuʻu kinoea.
ʻO ka Nernst N2032-O2/CO oxygen maʻiʻo a me ke kinoea puhimea hoʻoponopono ʻeluaHe ʻenehana kū hoʻokahi e hoʻohana ana i ka zirconia pālua-poʻo i kūkulu ʻia ma hope o ʻumi makahiki o ka noiʻi ʻana a hiki ke ana like i ka ʻike oxygen a me ka maʻi carbon monoxide.He ʻenehana ana i kēia manawa ʻoiaʻiʻo. ʻO ke kumukūʻai haʻahaʻa, ka pololei kiʻekiʻe, hiki ke ana ʻia ma ka pūnaewele ma lalo o nā kūlana kiʻekiʻe kiʻekiʻe a me nā kūlana lepo kiʻekiʻe.
I ke kaʻina hana o ka peroxygen combustion, i ka wā e hiki ai ke kinoea wahie a me ka oxygen e kākoʻo ana i ke ahi i kahi kikoʻī equilibrium ikaika, e hoʻololi pū ka ʻike kalapona monoxide me ka hoʻololi iki ʻana i ka nui o ka oxygen. ʻO ke ʻano o ka carbon monoxide e like me ke ʻano superimposed.
Nernst O2/CO ke ana ana kumu
ʻO ka Nernst O2/ CO probe loaʻa nā electrodes ʻelua, hiki ke ʻike i ka hōʻailona oxygen a me ka hōʻailona puhi i ka manawa like.2).
Ke hoʻohana nei ka pūnaewele oxygen o ka zirconia probe a i ʻole oxygen sensor i ka hiki o ka oxygen i hana ʻia e nā ʻano oxygen ʻokoʻa ma loko a ma waho o ka zirconia ma ke kiʻekiʻe wela (ʻoi aku ma mua o 650 ° C) e ana i ka ʻike oxygen o ka ʻāpana i ana ʻia. ʻO ka hapa o ka probe i hana ʻia me ka pūpū kila a i ʻole nā mea hao hao, i haku ʻia me ka mea hoʻomehana kila, zirconia tube, thermocouple, uea, terminal board a me ka pahu, e ʻike i ke kiʻikuhi schematic. ka loko a me waho o ka paipu zirconia ma o kahi mea hoʻopaʻa hoʻopili pili.
Ke piʻi ka mahana o ka zirconia probe poʻo i 650 ° C a ʻoi aku paha ma o ka mea wela a i ʻole ka wela o waho, e hoʻohua nā ʻokoʻa oxygen like ʻole ma nā ʻaoʻao i loko a me waho e hoʻohua i ka ikaika electromotive ma luna o ka ʻili o ka zirconia. Hiki ke ana ʻia ka mana uila. e ka uea alakai pili, a hiki ke ana i ka waiwai wela o ka hapa e ka thermocouple pili.
Ke ʻike ʻia ka neʻe ʻana o ka oxygen i loko a i waho o ka pahu zirconia, hiki ke helu ʻia ka hiki o ka oxygen e like me ke kumu helu helu zirconia.
Penei ke kumu:
E (milivolts) =4Floge 
Ma kahi o E ka hiki o ka oxygen, R ke kinoea mau, T ka waiwai wela piha, PO2ʻO INSIDE ka waiwai kaomi o ka oxygen i loko o ka paipu zirconia, a me PO2ʻO waho ka waiwai kaomi o ka oxygen ma waho o ka zirconia tube. E like me ke ʻano, ke ʻokoʻa ka ʻike o ka oxygen i loko a ma waho o ka pahu zirconia, e hana ʻia ka hiki o ka oxygen e pili ana. ʻO ka nui o ka oxygen i loko a ma waho o ka pahu zirconia ua like ia, ʻo ka hiki o ka oxygen he 0 millivolt (mV).
Inā he hoʻokahi lewa ke kaomi o ka lewa maʻamau a he 21% ka nui o ka oxygen i ka lewa, hiki ke maʻalahi ke kumu i:
Ke ana ʻia ka hiki o ka oxygen me kahi mea ana a ʻike ʻia ka ʻike o ka oxygen i loko a i waho paha o ka paipu zirconia, hiki ke loaʻa ka ʻike oxygen o ka ʻāpana i ana ʻia e like me ke ʻano pili.
Penei ka helu helu: (I kēia manawa, ʻoi aku ka nui o ka mahana ma ka ʻāpana zirconia ma mua o 650 ° C)
(%O2) WAHO (ATM) = 0.21 EXPT
Pipi ʻano
Ke loaʻa i ke kinoea ana ʻo O2a me CO i ka manawa like, ma muli o ke kiʻekiʻe o ka wela o ka sensor a me ka hopena catalytic o ka platinum electrode wahi o ka sensor, O2a hiki i ka CO a hiki i kahi kūlana kaulike thermodynamic, ka PO2ma ka ʻaoʻao ana ua hoʻololi ʻia i PʻO ke kaomi ʻāpana o ka oxygen ma ke kaulike2.
ʻO kēia no ka mea ma hope o ka hana ʻana o ka sensor i ka wela kiʻekiʻe, ke kaʻina o O2a ʻo ka hopena CO e mālama ana i ke kaulike ua like ia me ke kaʻina hana o O2ka hoʻopuehu ʻana.Ke hiki ka hopena i ke kaulike, ka laha ana o O2ʻO ka hoʻopaʻa ʻana nō hoʻi ka hoʻopaʻa ʻana, no laila ʻo ke ana ʻana o ke kaomi ʻāpana oxygen i ke kaulike ʻana he PʻO2.
Loaʻa nā ʻano hopena ma ka wahi ʻino o ka ZrO2pākaukau:
1/2 O2(PO2)+CO→CO2
Ke hiki ka pane i ke kaulike, ʻo ka O2hoʻololi ka manaʻo, PO2ua hoemiia i P'O2, a me ka hoʻololi ʻana o nā molekele oxygen kinoea a me O2i loko o ka matrix:
ʻO ka electrode maikaʻi ʻole:O2 → 1/2 O2(P'O2)+2e
ʻO ka electrode maikaʻi:1/2 O2(PO2)+2e → ʻO2
ʻO ke kaʻina hana ʻokoʻa o ka pākaukau:1/2 O2 (PO2) → 1/2 ʻO2(P'O2)
Ke hoʻohālikelike ʻia ka ikaika electromotive o ka mea ʻike me ka helu o nā mole o ke kinoea hoʻoemi hoʻemi ʻana, ʻo ka pihi kahi ʻano ʻano like me ka curve titration.
ʻO ke ʻano o kēia ʻano ʻano ma lalo o kekahi mahana, kaomi a me ke kahe kahe, ʻo ka mea ʻike like me ka ʻano like ʻole o ke ʻano o ka ʻōnaehana kinoea.
No laila, ma lalo o ke kaomi lewa a me ke kinoea i ana ʻia i ke kahe kūlohelohe, ka hoʻohālikelike ʻana o ka ikaika electromotive a me ka helu o nā mole o ka O.2ʻO ka ʻōnaehana CO e ka sensor zirconia he λ (λ=no2 /nco a i ʻole ka pākēneka leo λ=O2 × V %/OCO × V %) ka pihi hiʻona.
I ka manawa o ka Pt-Al2O3Hoʻopili ʻia ka catalyst ma 600 ° C, hiki ke hoʻololi piha ʻia ka CO i loko o ka ʻōnaehana aerobic i CO.2, no laila, loaʻa ka oxygen i ke kinoea i ana ʻia ma hope o ka puhi ʻana i ka catalytic.
I kēia manawa, e ana ka sensor zirconia i ka ʻike oxygen pololei.Ma muli o ka pilina o ke kinoea i ana ma lalo o ka hana o ka catalytic combustion, hiki ke ana i ka CO ma loko o ke kinoea ana.
Inā paha ʻo ka neʻe ʻana o ka carbon monoxide i loko o ke kinoea i ana ʻia ma mua o ka catalysis ʻo (CO), ʻo ka ʻike o ka oxygen ʻo A1, a ʻo ka neʻe o ka oxygen i ke kinoea i ana ʻia ma hope o ka catalysis ʻo A, a laila:
Ma mua o ke puhi ʻana:(CO) A1
Ma hope o ke ahi:O A
A laila:A=A1 – (CO)/2
A:λ =A1 /(CO)
No laila:A=λ ×(CO)-(CO)/2
Ka hopena:(CO)= 2A /(2λ-1) (λ＞0.5)
ʻO ke kumu hoʻolālā o ka O2/CO hulina
ʻO ka O2Ua hana ka probe i nā hoʻololi like ma ke kumu o ka probe kumu e ʻike ai i ka hana hoʻomalu puhi ahi hou.2), no ka mea, ʻo ka carbon monoxide (CO) a me ka hydrogen (H2) noho pū i loko o ke kinoea hoʻoheheʻe piha ʻole.
ʻO ka probe ka mea kumu e hoʻohana ai i ke kumu electrochemical ma hope o ka hoʻomehana ʻana o zirconia e ʻike i ke ana.
A. O2electrode (platinum)
B. COe electrode (platinum/metala makamae)
C. Hoʻomalu electrode (platinum)
ʻO ka mea nui o ka ʻimi noiʻi ʻo ia ka zirconia composite sheet i hoʻopaʻa ʻia ma ka corundum tube e hana i kahi paipa i hoʻopaʻa ʻia a hōʻike ʻia i ke kahawai kinoea flue o ka ʻōnaehana hoʻopau. hoʻonui i ke ola lawelawe.
ʻO nā hana o ka electrode COe a me ka O2Ua like ka electrode, akā ʻo ka ʻokoʻa ma waena o nā electrodes ʻelua ka electrochemical a me nā waiwai catalytic o nā mea maka, i hiki ai i nā ʻāpana hoʻopau i loko o ke kinoea flue e like me CO a me H.2hiki ke ʻike ʻia a ʻike ʻia. Ma ke kūlana o ka hoʻopau piha ʻana, ʻo ka "Nernst" voltage UO2ua hoʻokumu pū ʻia ma ka electrode COe, a ʻo kēia mau electrodes ʻelua i nā ʻano pihi like.I ka ʻike ʻana i ka hoʻopau piha ʻole ʻana a i ʻole nā mea hiki ke hoʻopau ʻia, e hoʻokumu ʻia ka UCOe uila ʻole "Nernst" ma ka electrode COe, akā e neʻe kaʻawale nā ʻōkuhi hiʻohiʻona o nā electrodes ʻelua.
ʻO ka hōʻailona uila UCO/H2ʻO ka mea ʻike holoʻokoʻa ka hōʻailona uila i ana ʻia e ka electrode COe.Aia kēia hōʻailona i nā hōʻailona ʻelua:
UCO/H2(nā mea ʻike holoʻokoʻa) = UO2(maʻiʻo oxygen) + UCO2/H2(nā ʻāpana hiki ke puhi ʻia)
Inā ana ʻia ka ʻike oxygen e ka O2Hoʻokaʻawale ʻia ka electrode mai ka hōʻailona o ka huina sensor, ʻo ka hopena:
UCOe (mea hiki ke puhi) = UCO/H2(nā mea ʻike holoʻokoʻa)-UO2(maʻiʻo oxygen)
Hiki ke hoʻohana ʻia ke ʻano o luna no ka helu ʻana i ka ʻāpana combustible COe i ana ʻia i ka ppm. ʻO ka mea ʻike probe kahi ʻano hōʻailona voli maʻamau. Hōʻike ka pakuhi i kahi pihi maʻamau (laina dashed) o ka ʻike COe i ka wā e emi mālie ai ka ʻike oxygen.
Ke komo ka puhi ʻana i kahi wahi i nele i ka ea, ma kahi i kapa ʻia ʻo "emission edge", inā lawa ʻole ka ea e hoʻopau ʻole i ka hoʻopau ʻana, e piʻi nui ka ʻike COe.
Hōʻike ʻia nā hiʻohiʻona hōʻailona i loaʻa ma ke kiʻikuhi kahakiʻi probe.
UO2(laina mau) a me UCO/H2(laina kiko).
Ke ʻoi aku ka nui o ka ea a ʻaʻole loa ka puhi ʻana i nā mea COe, ʻo ka hōʻailona UO2a me UCO/H2ua like, a e like me ke kumu "Nernst", ua hōʻike ʻia ka ʻike o ka oxygen i kēia manawa o ke kahawai kinoea flue.
I ka hoʻokokoke ʻana i ka "kaʻe hoʻokuʻu", ʻo ka hōʻailona puʻupuʻu sensor UCO/H2o ka COe electrode pi'i ma ka disproportionate rate ma muli o ka hou non-Nernst COe hoailona.2a me UCO/H2e pili ana i ka maʻiʻo o ka oxygen i loko o ke kahawai ʻea, hōʻike pū ʻia nā hiʻohiʻona maʻamau o ka mea puhi ahi COe.
Ma kahi o nā hōʻailona uila o nā mea ʻike UCO / H2a me UO2, ʻo nā hōʻailona ʻike ʻoi aku ka ikaika dU O2/dt a me dUCO/H2/dt a ʻoi aku ka nui o nā hōʻailona fluctuation o ka COe electrode hiki ke hoʻohana ʻia e laka i ka "emission edge" o ka puhi ʻana.
(E ʻike i ka “Hōʻā pau ʻole: ke ʻano o ka hoʻololi ʻana o ka uila o COe electrode UCO/H2“)
Nā hiʻohiʻona ʻenehana
•Hana hoʻokomo pālua ʻimi: Hiki ke hoʻolako ʻia kahi mea anana me ʻelua probes, hiki ke mālama i ke kumukūʻai hoʻohana a hoʻomaikaʻi i ka hilinaʻi ana.
•Nui nā hana puka: Loaʻa i ka mea loiloi ʻelua 4-20mA hōʻailona hōʻailona o kēia manawa a me ka pilina kamaʻilio kamepiula-kamepiula RS232 a i ʻole ke kikowaena pūnaewele RS485.Hoʻokahi kahawai o ka hoʻopuka hōʻailona oxygen, ʻo ke kahawai ʻē aʻe o ka puka hōʻailona CO.
•Laulā ana: ʻO 10 ka pae ana o ka oxygen-30i ka 100% oxygen maʻiʻo, a ʻo ke ana ʻana o ka carbon monoxide he 0-2000PPM.
•Ka hoʻonohonoho ʻana i ka ʻala:Loaʻa i ka mea anamanaʻo he 1 puka hoʻāla maʻamau a me 3 mau hoʻopuka ala hoʻonohonoho programmable.
• Kalibrasi 'akomi:E nānā ʻokoʻa ka mea anaana i nā ʻōnaehana hana like ʻole a calibrate maʻalahi e hōʻoia i ka pololei o ka anana i ka wā ana.
•Pūnaehana naʻauao:Hiki i ka mea anaana ke hoʻopau i nā hana o nā hoʻonohonoho like ʻole e like me nā hoʻonohonoho i koho mua ʻia.
•Hōʻike i ka hana puka:He hana koʻikoʻi ko ka mea anamanaʻo o ka hōʻike ʻana i nā ʻāpana like ʻole a me ka hoʻopuka ikaika a me ka hana mana o nā ʻāpana like ʻole.
•Hana palekana:Ke pau ka umu ahi, hiki i ka mea hoʻohana ke hoʻomalu i ka hoʻopau ʻana i ka mea hoʻomehana o ka probe e hōʻoia i ka palekana i ka wā e hoʻohana ai.
•He mea maʻalahi a maʻalahi ka hoʻokomo:He mea maʻalahi loa ka hoʻokomo ʻana o ka mea anana a aia kahi kaula kūikawā e hoʻopili ai me ka probe zirconia.
Nā kikoʻī
Nā mea hoʻokomo
• Hoʻokahi a ʻelua paha zirconia probe a i ʻole hoʻokahi zirconia probe + CO sensor
• ʻO ke ʻano mea wela a i ʻole ke ʻano ana wela kaʻawale K, R, J, S ʻano
• Hoʻokomo hōʻailona hoʻomaʻemaʻe kinoea kaomi
• Ke koho 'ana i 'elua mau wahie
• Ka hoʻomalu ʻana i ka pahū pahū (pili wale i ka ʻimi wela)
Nā mea hoʻopuka
ʻElua laina laina 4～20mA DC puka hōʻailona (ka hoʻouka kiʻekiʻe 1000Ω)
• Ka laula puka mua (koho)
Hoʻopuka laina laina 0～1% a i 0～100% ʻike oxygen
Huakaʻi logarithmic 0.1 ~ 20% ʻike oxygen
Puka micro-oxygen 10-39i ka 10-1maʻiʻo oxygen
• ʻO ka lua o ka puka puka (hiki ke koho ʻia mai nā mea aʻe)
Maʻiʻo kalapona monoxide (CO) PPM waiwai
ʻO ke kalapona kalapona (CO2)%
Ana kinoea puhi waiwai PPM waiwai
Ka pono puhi
E hoʻopaʻa i ka waiwai oxygen
Waiwai puhi anoxic
Ka wela wela
Hōʻike ʻia nā ʻāpana lua
• Carbon monoxide carbon (CO) PPM
• Hoʻopau kinoea maikaʻi
• E nānā i ka uila puka
• Ka wela o ka probe
• ʻO ka mahana wela
• La mahina makahiki
• Ka haʻahaʻa kaiapuni
• Ka wela wela
• Ka hoʻopaʻa ʻana i ka ʻimi
• Ka helu helu hypoxia
• Ka manawa hana a me ka mālama ʻana
Kūkākūkā kamepiula/mea paʻi
He awa puka puka serial RS232 a i ʻole RS485 ka mea anaana, hiki ke hoʻopili pololei ʻia i kahi pahu kamepiula a i ʻole kahi paʻi, a hiki ke ʻike ʻia ka ʻimi a me ka mea kani ma o ke kamepiula.
Hoʻomaʻemaʻe lepo a me ka calibration kinoea maʻamau
He 1 kanal no ka wehe ʻana i ka lepo a me 1 kanal no ka calibration kinoea maʻamau a i ʻole 2 kaha no nā relays output calibration gas maʻamau, a me kahi hoʻololi solenoid valve hiki ke hoʻohana ʻia a me ka lima.
Ka pololeiP
± 1% o ka heluhelu oxygen maoli me ka hiki hou o 0.5%.No ka laʻana, ma 2% oxygen ka pololei ʻo ± 0.02% oxygen.
AlarmP
Loaʻa i ka mea anamanaʻo he 4 mau puʻupuʻu maʻamau me 14 mau hana like ʻole, a me 3 mau mea hoʻolale polokalamu.Hiki ke hoʻohana ʻia no nā hōʻailona hōʻailona e like me ke kiʻekiʻe a me ka haʻahaʻa o ka oxygen maʻi, kiʻekiʻe a me ka haʻahaʻa CO, a me nā hewa ʻimi a me nā hewa ana.
Hōʻike laulāP
Hōʻike 'akomi 10-30～100% O2 maʻiʻo oxygen a me 0ppm～2000ppm CO maʻiʻo monoxide.
kinoea kuhikuhiP
Hāʻawi ʻia ka ea ma ka micro-motor vibration pump.
Mana Ruireqements
85VAC i 264VAC 3A
Ka Mahana Hana
Ka Mahana Hana -25°C a 55°C
ʻO ka haʻahaʻa haʻahaʻa 5% a i ka 95% (ʻaʻole condensing)
Degere o ka palekana
IP65
IP54 me ka pauma ea kuhikuhi kūloko
Ana a me ke kaumaha
300mm W x 180mm H x 100mm D 3kg
