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20+ Makahiki o ka ʻIke Hana Hana

Hoʻolauna i ka Radar Nalu Alakaʻi

ʻO Guided Wave Radar (GWR) kahi mea ana pae e pili ana i ka noʻonoʻo microwave i hōʻailona ʻia e kāna hoʻohana ʻana i kahi probe metala (waveguide) e kuhikuhi i ka hoʻolaha ʻana o ka hōʻailona microwave. Hiki iā ia ke ana pololei i nā pae wai, nā interfaces, a i ʻole nā ​​​​nui no nā media e like me nā wai, nā ʻāpana paʻa, a i ʻole nā ​​​​slurries. ʻAʻole e like me nā mika pae radar ʻaʻole pili, ʻaʻole hoʻolaha manuahi nā hōʻailona microwave a GWR i ka lewa akā hele pololei ma ke kuhikuhi ma ka probe, e hāʻawi ana iā ia i nā pono kūikawā i nā kūlana hana paʻakikī. Aia ma lalo kahi hoʻolauna kikoʻī e uhi ana i kāna kumu hana, nā ʻāpana koʻikoʻi, nā hiʻohiʻona koʻikoʻi, nā hiʻohiʻona noi, a me nā palena.

I. Kumu Hana

Hoʻopuka ka Guided Wave Radar i nā hōʻailona microwave alapine kiʻekiʻe (ma ke ʻano he 6GHz a i ʻole 26GHz) ma o kahi modula hoʻoili. Hoʻokele ʻia kēia mau hōʻailona ma o nā probes metala kūikawā (e laʻa, nā kaula kila, nā koʻokoʻo paʻa, nā kaula coaxial) i ka ʻili o ka medium. Ke hālāwai nā hōʻailona microwave i ka pilina ma waena o ka medium a me ka ea, ua hōʻike ʻia kahi hapa o ka hōʻailona a hele hou ma ke ʻano o ka probe i ka module loaʻa. Hoʻomaulia ka mea hana i ke kiʻekiʻe o ka pae ma ke ana ʻana i ka ʻokoʻa manawa (a i ʻole ka ʻokoʻa alapine) ma waena o ka hoʻoili hōʻailona a me ka hōʻike ʻana, i hui pū ʻia me ka wikiwiki o ka hoʻolaha ʻana o nā microwave i loko o ka medium.

 

  • Haʻilula Kumu: Ke kiʻekiʻe o ka pae H=2v×t​, kahi ʻo v ka wikiwiki o ka hoʻolaha ʻana o nā microwave i loko o ka probe, a ʻo t ka manawa hele a puni o ka hōʻailona.
  • Ke Kālele ʻana i nā Hōʻailona: Hoʻopaʻa ka probe i ka ikehu microwave i kahi palena, e pale ana i ka pilikia divergence o nā hōʻailona radar non-contact e pālahalaha ana i ka lewa, e hopena ana i nā hōʻailona i hōʻike ʻia ikaika a paʻa hoʻi.

II. Nā ʻĀpana Koʻikoʻi

He ʻano paʻa ko ka Guided Wave Radar, nona ka hapa nui o nā ʻāpana penei:

 

  1. ʻĀpana Uila: Kuleana no ka hoʻopuka ʻana, ka hoʻouna ʻana, ka loaʻa ʻana, a me ka hana ʻana i nā hōʻailona microwave. Loaʻa iā ia kahi microprocessor i kūkulu ʻia no ka helu ʻana a me ka hoʻopuka ʻana i ka ʻikepili (e laʻa, 4-20mA, HART, nā hōʻailona RS485).
  2. Probe (Waveguide): ʻO ke "kahawai hoʻoili" no nā hōʻailona microwave, me nā ʻano maʻamau e like me:
    • Nā Probes Rod Rigid: Kūpono no nā wai haʻahaʻa-viscosity a me nā kūlana ʻaʻole turbulent, e hāʻawi ana i ke kūpaʻa haʻalulu ikaika.
    • Nā ʻImi Uea Kila: Kūpono no nā pahu hohonu, nā mea hoʻolaha viscosity kiʻekiʻe, a i ʻole nā ​​​​mea i loaʻa nā mea paʻa i hoʻokuʻu ʻia, e hāʻawi ana i ka maʻalahi kiʻekiʻe.
    • Nā Probes Coaxial: Hele nā ​​​​hōʻailona ma waena o nā alakaʻi o loko a me waho, kūpono no nā mea pāpaho dielectric haʻahaʻa (e laʻa, nā aila māmā, nā kinoea liquefied) me ka hiki ke kūʻē i ka hoʻopilikia ʻia.
  3. ʻO ke kau ʻana o ka Flange/Interface: Hoʻopaʻa i ka mea kani i ka pahu wai, me nā mea i koho ʻia ma muli o ka corrosion medium (e laʻa, 316L stainless steel, Hastelloy).

III. Nā ʻano koʻikoʻi

1. Ka hiki ke kū'ē i ke komo ʻana no nā kūlana paʻakikī

  • Holoholo nā hōʻailona microwave ma ke ala o ka probe, e hoʻēmi ana i ka hopena o nā mea pili i ke kaiapuni e like me ka mahu, ka lepo, ka huʻa, a i ʻole ka noe. Noho paʻa lākou ʻoiai ma nā wahi huʻa kiʻekiʻe (e like me nā pahu hoʻoulu pia) a i ʻole ma lalo o ka hoʻoluliluli nui.
  • Pale ʻia i ke komo ʻana mai nā ʻano hana o loko o ka pahu (e like me nā mea hoʻonāukiuki, nā baffles), i ka wā e pālahalaha ai nā hōʻailona ma ke ala o ka probe, e pale ana i nā leo wahaheʻe i maʻamau i ka radar non-contact.

2. Ka Pololei o ke Ana ʻana a me ke Kūpaʻa

  • ʻO ka pololei o ke ana ʻana mai ±0.05%FS a i ±0.1%FS, me nā hewa hana hou e like me ka haʻahaʻa o ±0.02%FS, e ʻoi aku ka maikaʻi ma mua o kekahi mau hiʻohiʻona radar ʻaʻole hoʻopili.
  • ʻO ka ikaika o ka hōʻailona hoʻomālamalama e hilinaʻi nui ʻia ma ka pilina ma waena o ka probe a me ka medium, e kūpono ana no nā media dielectric constant haʻahaʻa (e laʻa, gasoline, gas liquefied).

3. Ka hiki ke hoʻololi i nā pāpāho like ʻole a me nā wahi koʻikoʻi

  • Hoʻohālikelike Waena: Hiki ke ana i nā wai (me ka viscosity kiʻekiʻe, nā mea hoʻoheheʻe e like me ka syrup a me ka soda caustic), nā ʻāpana paʻa (e like me nā pellets plastik, ka pauka lanahu), nā slurries (e like me ka lepo, ka wai huaʻai), a me nā pilina (e like me nā pilina aila-wai).
  • Ke Hoʻomanawanui Kaiapuni: Kū i nā mahana kiʻekiʻe (-50 ℃ a i 400 ℃), nā kaomi kiʻekiʻe (a hiki i ka 40MPa), a me nā wahi ʻino loa, kūpono no nā mea hana kemika, nā pahu mālama kiʻekiʻe, a pēlā aku.

4. Hoʻokomo maʻalahi no nā wahi paʻa

  • Hiki ke hoʻokomo ʻia nā probes i loko o nā pahu liʻiliʻi, nā ipu ʻano ʻē, a i ʻole nā ​​​​​​ipu me nā mea keakea i loko, ʻaʻole pono kahi ākea o luna. He kūpono loa lākou no nā papahana hoʻoponopono hou a i ʻole nā ​​​​wahi haiki.

IV. Nā hiʻohiʻona noi

Hoʻohana nui ʻia ka Guided Wave Radar ma nā kahua aʻe ma muli o kāna hana anti-interference a me ka pololei kiʻekiʻe:

 

  • ʻOihana Kemika: Ke ana ʻana o ka pae i loko o nā reactors, nā pahu mālama kiʻekiʻe/haʻahaʻa, a me ka ʻike ʻana i ka pilina aila-wai.
  • ʻAila a me ka Petrochemical: Ke ana ʻana o ka pae i loko o nā pahu ʻaila maka, nā pahu ʻaila māmā (penisini, diesel), a me nā pahu mālama kinoea wai.
  • Mea ʻAi a me Mea Inu: Ke ana ʻana i ka pae i loko o nā pahu hoʻoulu hua kiʻekiʻe (e like me ka pia, yogurt), nā pahu syrup, a me nā slurries wai huaʻai (me nā mea probe papa meaʻai).
  • Ka Hoʻōla Wai: Ke ana ʻana i ka pae i loko o nā pahu hoʻōla wai ʻino a me nā loko sedimentation, e pale ana i ke komo ʻana o ka huʻa.
  • ʻOihana Ikehu: Ke ana ʻana o ka pae i loko o nā silos pauka lanahu a me nā ʻōpala lehu, a me ka nānā ʻana i ka pae paila wela kiʻekiʻe.

V. Nā Palena

  1. Nā Pono Mālama no ke Ana Hoʻopili: Aia nā probes i ka pili pono ʻana me ka medium, hiki ke haumia a paʻa paha ma muli o ka mānoanoa, e pono ai ka hoʻomaʻemaʻe mau. Hiki i nā media ʻino loa ke hana i ka ʻaʻahu o ka probe, e pono ai nā mea kūikawā (e hoʻonui ana i nā kumukūʻai).
  2. Ka Laulā Ana Palena: Hoʻoholo ʻia ka laulā kiʻekiʻe loa e ka lōʻihi o ka probe, me nā hiʻohiʻona maʻamau mai 0.3m a 30m, ʻaʻole kūpono no nā pahu nui loa (hiki i ka radar non-contact ke uhi a hiki i 100m).
  3. Nā Palena i nā Hana Hoʻomaʻemaʻe: I nā meaʻai, nā lāʻau lapaʻau, a me nā hiʻohiʻona hoʻomaʻemaʻe kiʻekiʻe ʻē aʻe, he paʻakikī nā kaʻina hana hōʻoia hoʻomaʻemaʻe probe, e hoʻonui ana i nā kumukūʻai hoʻokō (ʻoi aku ka maikaʻi o ka radar non-contact ma muli o ka ʻole o ka hoʻopili ʻana).
  4. Ka Pōʻino o ke Kau ʻana o ka Probe: I nā kūlana me ke kahe ʻana o ka pāpāho hoʻoluliluli a haunaele paha, pono e hoʻokomo i nā lima pale probe e pale aku i ka haki ʻana mai nā kuʻi ʻana.

VI. Nā ʻokoʻa koʻikoʻi mai ka Radar Hoʻokaʻaʻike ʻole

Ana Hoʻohālikelike Radar Nalu Alakaʻi Radar Hoʻopili ʻole
Hoʻolaha Hōʻailona Kuhikuhi ma ke ala o ka probe Hoʻolaha manuahi i ka lewa
Ka hiki ke kū'ē i ke komo ʻana Ikaika (pale i ka huʻa, ka mahu, ka lepo) ʻOi aku ka nāwaliwali (koi i ka hoʻolālā alapine kiʻekiʻe a i ʻole ka hoʻonui ʻana i ka antenna)
Ka ʻike i ka Dielectric Constant Haʻahaʻa (kūpono no nā pāpaho dielectric haʻahaʻa) Kiʻekiʻe (nā hōʻailona nāwaliwali no nā pāpaho dielectric haʻahaʻa)
Ka Hoʻololi ʻana i nā Koina Sanitary Kaupalena ʻia (hōʻoia hoʻomaʻemaʻe pinepine) Maikaʻi loa (ʻaʻohe pili, kūlike me nā kūlana FDA/3-A)
Kumukūʻai mālama Kaulike (hoʻomaʻemaʻe probe, pale ʻana i ka palaho) Haʻahaʻa (ʻaʻohe pili, ʻaʻohe ʻaʻahu)
Ka Pae Ana Loa ʻO ka maʻamau ≤30m A hiki i 100m

Hopena

He koho kūpono ʻo Guided Wave Radar no ke ana ʻana i ka pae ma nā kūlana hana paʻakikī, ʻoi aku ka maikaʻi ma ka huʻa kiʻekiʻe, ka dielectric constant haʻahaʻa, kahi i hoʻopaʻa ʻia, a i ʻole nā ​​​​​​wahi koʻikoʻi. Eia nō naʻe, ʻo kona ʻano ana pili e hoʻolauna i nā pono mālama a me nā palena o ka noi. I ke koho pono ʻana, pono e loiloi piha ʻia nā mea e like me nā ʻano waena (viscosity, corrosiveness, dielectric constant), nā kūlana kaiapuni (mahana, kaomi, ākea), a me nā koi sanitary. Inā pono, hiki ke hoʻohana ʻia me ka radar non-contact e uhi i nā hiʻohiʻona hou aku.

Ka manawa hoʻouna: Iulai-22-2025

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