Ka Hoʻomaikaʻi ʻana i ka Pololei o ka Slurry Mixing Ratio me nā Inline Density Meters

ʻO Lonnmeter Group, kahi mea hana alakaʻi a me ka mea hoʻolako i nā mika density inline, ua hoʻolaʻa i nā makahiki he ʻumi e hāʻawi i nā hoʻonā ʻoihana no nā mea kūʻai aku ma ka honua holoʻokoʻa. Ua kōkua kēia mau hoʻonā i nā hale hana ʻoihana he nui, nā hale hana mana, a me nā ʻoihana metallurgical e hōʻemi i nā kumukūʻai a hoʻomaikaʻi i ka pono.

Ke Kūlana Koʻikoʻi o ka Hoʻohuihui Slurry

ʻO ka hana o nā MEA cell wahie hydrogen e hilinaʻi nui ʻia i ke ʻano like a me ke kūpaʻa o nā slurries catalyst. No ka laʻana, pono nā slurries anode i 15% Pt-C catalyst i hoʻopuehu like ʻia i loko o kahi solvent hui ʻia o 40% wai deionized, 40% methanol, a me 5% ionomer solution; koi nā slurries cathode i nā ʻāpana kiʻekiʻe o ka catalyst (20%) a me ka binder (10%). ʻAʻole wale kēia lakio pololei e hoʻopilikia i nā waiwai kino o ka slurry akā hoʻopilikia pololei hoʻi i ka hoʻolaha ʻana o nā wahi hana catalytic a me ka conductivity proton.

ʻO ka kaohi pono ʻole o ka density e hiki ke hoʻoulu i ka catalyst a i ʻole ka sedimentation, e hopena ana i ka mānoanoa like ʻole o ka catalyst i uhi ʻia a me ka hana holoʻokoʻa o ka pila. No ka laʻana, ʻo ka density kiʻekiʻe e hōʻike paha i ka nui o ka catalyst a i ʻole ka solvent evaporation, e hoʻonui ana i ka viscosity slurry a me ke kumu o nā hemahema "ʻili ʻalani" a i ʻole "pinhole" i ka wā o ka uhi ʻana; ʻo ka density haʻahaʻa e hōʻike paha i ka lawa ʻole o ka catalyst, ʻaʻole hiki ke hāʻawi i nā wahi pane kūpono a hōʻemi i ka pono o ka pila.

Nā Palena o ka Mana Hoʻomalu Kuʻuna o ka Slurry

Hilinaʻi ka hoʻohuihui slurry catalyst kuʻuna i ke kaupaona lima a me ka hoʻāʻo ʻana ma waho pūnaewele i ke kula mua. Ua lohi loa kēia ʻano hana ma hope o ke kaʻina hana manawa maoli—ʻo ka loaʻa ʻana o nā hopena hoʻāʻo mai ka laʻana pinepine he 15-30 mau minuke, a ma ia manawa ua komo paha ka slurry i ke kaʻina hana aʻe, e alakaʻi ana i ka nui o ka hoʻonele hana hou ʻana.

Hoʻoikaika nā hana lima e ʻike i ka hoʻohuihui ʻana o nā ʻāpana catalyst nanoscale. Eia kekahi, ʻo nā mea e like me nā loli o ka mahana a me ka mahu ʻana o ka solvent ke kumu o nā loli o ka density dynamic i loko o nā slurries, kahi hiki ʻole i nā kaʻina hana kuʻuna ke uku no ka manawa maoli, e hoʻonui hou aku ana i nā pilikia o ka paʻa ʻole o ka maikaʻi.

Kumu Hana a me nā Pono Hana

No ka hoʻoponopono ʻana i kēia mau pilikia, ua hoʻomohala nā ʻenekinia Lonnmeter i nā mika density inline e pili ana i ke kumumanaʻo ikaika Coriolis, kahi e ana ai i ke alapine haʻalulu wai e loaʻa ai ka ʻikepili density manawa maoli me ka pololei a hiki i ± 0.001 g/cm³. I ka hui ʻana o ka slurry o ke kelepona wahie hydrogen, hiki ke hoʻokomo ʻia kēia mau mea nānā kiʻekiʻe ma ka puka o nā pahu hui a i ʻole nā ​​​​paipu kaʻapuni e hōʻiliʻili mau i ka ʻikepili density a me ka mahana, me nā algorithms uku e hoʻopau ana i ka hopena o ka mahana ma ka density.

Ma waho aʻe o nā mika density Coriolis, ua hoʻomohala pū ʻo Lonnmeter i nā mika density inline ʻē aʻe e like me nā mika density tuning fork a me nā mika density ultrasonic e hāʻawi i nā mea ʻike nānā density akamai no nā kūlana hana like ʻole. Ke ʻike ʻia ua ʻoi aku ka nui o ka nui o ka slurry cathode ma mua o ka waiwai i manaʻo ʻia, helu pono ka ʻōnaehana i ka deviation a hoʻohui i kahi nui kūpono o ka solvent ma o kahi pamu metering; inā haʻahaʻa loa ka density, hoʻohui ʻia ka wai makuahine catalyst pre-dispersed. ʻAʻole wale kēia kaohi loop dynamic e hoʻoponopono i nā deviations formula akā wānana pū kekahi i nā pilikia hiki ke loaʻa ma o ka nānā ʻana i ka ʻikepili mōʻaukala. Ke ʻoi aku ka loli o ka density ma mua o nā paepae, hoʻāla ka ʻōnaehana i nā alarm e hoʻāla i ka hiki ke hoʻolaha like ʻole a i ʻole ka hoʻokaʻawale ʻana o ka pae, e pale aku ana i nā pōpilikia maikaʻi batch hou aku.