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Koho ʻana o ka Electrode no nā Mīkini Kahe Electromagnetic

Hoʻohana nui ʻia nā mika kahe electromagnetic (i ʻike ʻia hoʻi he mika mag) no ke ana ʻana i ke kahe o nā wai conductive i nā noi ʻoihana. Hana lākou ma muli o ke kānāwai o Faraday o ka induction electromagnetic a ʻaʻohe ona ʻāpana e neʻe ana, e hana ana iā lākou i pololei loa a hilinaʻi hoʻi no nā hana ana kahe like ʻole. ʻO kahi ʻāpana koʻikoʻi o nā mika kahe electromagnetic ʻo ia ka electrode, kahi e pāʻani ai i kahi kuleana koʻikoʻi i ke kaʻina hana ana. ʻO ke koho ʻana o ka mea electrode a me ka hoʻonohonoho ʻana e pili ana i kekahi mau mea, e like me ke kahe e ana ʻia ana, nā kūlana o ke kaiapuni, a me ka pololei o ke ana i makemake ʻia.

Nā Manaʻo Koʻikoʻi no ke Koho ʻana i ka Electrode

1. Ka hoʻokele ʻana o ke kahe

Pono nā mika kahe electromagnetic i ke kahe e alakaʻi uila i mea e hana pono ai ke ana ʻana o ke kahe. ʻIke nā electrodes i ka voltage i hana ʻia ke hele ka wai ma ke kahua magnetic o ka mika kahe. No laila, he mea nui ke koho ʻana i ka mea electrode kūpono e hōʻoia i nā ana pololei, ʻoiai inā haʻahaʻa a kiʻekiʻe paha ke alakaʻi ʻana o ka wai.

2. Nā Mea Uila

Pono e kūlike ka mea i hoʻohana ʻia no nā electrodes me nā waiwai kemika o ka wai e hōʻoia i ka lōʻihi a me ka hilinaʻi. ʻO nā mea electrode maʻamau:

  • Ke kila kila (316L):ʻO ke kila kila, ʻo ia kekahi o nā mea i hoʻohana nui ʻia no nā electrodes, hāʻawi ia i ke kūpaʻa maikaʻi loa i ka pala a kūpono hoʻi no nā ʻano wai like ʻole, me ka wai, nā slurries, a me ka hapa nui o nā kemika.

  • ʻO Hastelloy (HC276):He mea hoʻohuihui kūpaʻa ʻo Hastelloy i ka pala, i ʻike nui ʻia no kona hiki ke kū i nā kemika ʻino a me nā mahana koʻikoʻi.HC276hoʻohana pinepine ʻia i nā ʻoihana e like me nā lāʻau lapaʻau, nā kemika, a me ka hana ʻana i ka meaʻai, kahi i ʻike pinepine ʻia ai nā waikawa hoʻonāukiuki, nā alkalis, a me nā mea hoʻoheheʻe. Hāʻawi ia i ke kūpaʻa kiʻekiʻe i ka pala a kūpono loa ia no nā wahi kiʻekiʻe a me nā wahi wela kiʻekiʻe.

  • Titanium (Ta):He kūpaʻa loa nā electrodes Titanium i ka pala a kūpono hoʻi no nā ʻano ʻino, ʻoi aku hoʻi nā mea e pili ana i ka wai kai, nā waikawa, a me nā mea ʻino ʻē aʻe. ʻO Tantalum (Ta) kekahi mea like me nā waiwai kūpaʻa pala maikaʻi loa, ʻoi aku hoʻi i nā wai waikawa a me nā wai pane nui. He waiwai nui ʻo Tantalum i ka wā e hana ai me nā waikawa ikaika, me ka waikawa sulfuric, ka waikawa hydrochloric, a me nā mea ʻino ʻē aʻe.

  • Platinum (Pt):He kūpaʻa loa ka Platinum i ka pala kemika, e kūpono ai no nā wai ikaika loa, akā hoʻohana pinepine ʻia ia i nā noi kūikawā ma muli o kona kumukūʻai kiʻekiʻe. Makemake ʻia nā electrodes Platinum i nā wahi kahi e pono ai ka pololei loa a me ka inertness kemika, e like me nā hoʻonohonoho hale hana a i ʻole kekahi mau noi lapaʻau a me nā noiʻi loiloi. ʻO ke kūpaʻa maikaʻi loa o Platinum a me ke kūʻē ʻana i nā ʻano kemika like ʻole e kūpono ia no nā noi e koi ana i ka hana mau.

  • Graphite a i ʻole Carbon:Hoʻohana ʻia kēia mau mea i kekahi manawa no nā noi e pili ana i nā wai abrasive a i ʻole nā ​​​​wai ikaika. Kūpaʻa loa nā electrodes graphite i ka corrosion akā hiki ke maʻalahi i ka erosion ma lalo o kekahi mau kūlana.

  • Gula:Hoʻohana pinepine ʻia nā electrodes gula i nā kūlana e koi ana i ka pololei kiʻekiʻe loa a loaʻa pinepine ʻia i loko o ka hale hana hoʻokolohua a i ʻole nā ​​​​noi kūikawā loa.

3. Hoʻonohonoho ʻana o ka Uila

Hiki i ka hoʻonohonoho ʻana o ka electrode ke hoʻopilikia i ka pololei a me ka ʻike o ka mika kahe. ʻO nā hoʻonohonoho electrode ʻelua maʻamau:

  • Hoʻonohonoho ʻElektroda Hoʻokahi:ʻO kēia hoʻonohonoho ʻana e pili ana i hoʻokahi electrode no ka hoʻopili ʻana i ka wai a ʻo kekahi no ka hōʻailona kuhikuhi. He maʻalahi a ʻoi aku ka maikaʻi o ke kumukūʻai akā hiki ke hāʻawi i ka pololei haʻahaʻa i kekahi mau noi.

  • Hoʻonohonoho ʻana o ka Electrode Multiple (Electrode ʻEhā):Hoʻokomo kēia hoʻolālā i nā electrodes he nui i hoʻonohonoho ʻia i loko o kahi ʻano poepoe a puni ka paipu. Hāʻawi kēia hoʻonohonoho ʻana i nā ana pololei, ʻoi aku hoʻi i nā noi me nā wai viscous loa a paʻakikī paha. Hiki iā ia ke kōkua i ka hōʻemi ʻana i nā hewa ma muli o ka polarization a me ka hoʻopilikia ʻana o ka hōʻailona.

4. Ka Uhi ʻana a me ka Palekana o ka Electrode

I kekahi mau hihia, hiki ke uhi ʻia a pale ʻia paha nā electrodes e hoʻomaikaʻi i ka hana ma nā noi kikoʻī. Eia kekahi laʻana:

  • Nā Uhi Keramika:No nā wai abrasive a corrosive paha, hiki i nā uhi keramika ke kōkua i ka pale ʻana i nā electrodes mai ka hōʻino ʻana a hoʻonui i ko lākou ola.

  • Nā Uhi PTFE a i ʻole PFA:No nā kemika non-conductive a i ʻole nā ​​​​​​kemika huhū, hoʻohana ʻia nā uhi electrode i hana ʻia mai nā fluoropolymers e like me PTFE a i ʻole PFA e hāʻawi i ka insulation a me ka pale.

5. Ke kū'ē ʻana i ka mahana a me ke kaomi

Pono e koho ʻia nā electrodes ma muli o ke kūlana mahana a me ke kaomi o ka noi. No ka laʻana, ʻoi aku ka maikaʻi o nā electrodes titanium, Hastelloy, a me platinum no nā noi wela kiʻekiʻe a me ke kaomi kiʻekiʻe i hoʻohālikelike ʻia me nā electrodes kila kila maʻamau.

6. Ka nui a me ka hoʻohana ʻana o ka mika kahe

ʻO ka nui a me ke ʻano o ka mika kahe electromagnetic (e laʻa, full-bore a i ʻole insertion) e hoʻopili pū i ke koho ʻana o ka electrode. ʻO nā mika kahe nui aʻe e pono ai nā electrodes nui no ka hana maikaʻi loa.

Hopena

He mea koʻikoʻi ke koho ʻana o ka electrode no nā mika kahe electromagnetic e hōʻoia i nā ana kahe pololei, ʻoi aku hoʻi i nā wahi ʻoihana paʻakikī. Ma ka noʻonoʻo ʻana i ka conductivity o ke kahe, nā waiwai o nā electrodes, ke ʻano o nā electrodes, a me nā kūlana hana (e like me ka mahana, ke kaomi, a me ka hōʻike kemika), hiki iā ʻoe ke koho i ka mea electrode kūpono a me ka hoʻonohonoho no kāu noi. Hāʻawi nā mea e like me HC276 (Hastelloy), Ta (Tantalum), a me Pt ​​(Platinum) i ke kūpaʻa maikaʻi loa i ka corrosion a kūpono loa no nā noi koi. Hiki i ke koho electrode kūpono ke hoʻomaikaʻi i ka lōʻihi a me ka hilinaʻi o ka mika kahe, e lilo ia i waiwai nui i nā ʻōnaehana ana kahe ʻoihana.

https://www.lanry-instruments.com/mag-11-electromagnetic-flow-meter-product/
https://www.lanry-instruments.com/mag-11-electromagnetic-flow-meter-thread-connection-product/

Ka manawa hoʻouna: Malaki-03-2025

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