Amamitha e-radar level ayizinto ezibalulekile zokulinganisa amazinga ezimboni, ngokuvamile ahlukaniswe ngamamitha e-radar level angathintani (abizwa ngokuthi “amamitha e-radar level”) kanye namamitha e-radar level aqondiswayo (uhlobo lokuxhumana). Womabili asebenza ngokusekelwe ezimisweni zokubonisa i-microwave, kodwa izici zawo kanye nezimo ezisebenzayo zihluka kakhulu ngenxa yezindlela ezihlukile zokusabalalisa isignali. Nazi izici eziyinhloko zohlobo ngalunye:
I. Izici Zamamitha Ezinga Lerada (Awathintani)
Amamitha e-radar angathintani akhipha izimpawu ze-microwave ezivela ku-antenna ziye ebusweni be-medium elinganisiwe. Izimpawu zibonakaliswa yi-medium futhi zamukelwe yi-antenna, ngokuphakama kwezinga kubalwa kusetshenziswa ubuchwepheshe be-"umehluko wesikhathi" noma ubuchwepheshe be-"Frequency-Modulated Continuous Wave (FMCW)". Izici zazo ezibalulekile yilezi ezilandelayo:
1. Ukulinganisa Okungathintani Nokuphepha Okuhle Kakhulu Nokuhlanzeka
- Akukho Ukuthintana Okuphakathi: Inzwa ayinakuthintana ngokomzimba nendawo elinganisiwe, okususa izingozi zokugqwala, ukuguguleka, ukwakheka kwezinto, noma ukungcola okubangelwa yindawo.
- Ukuthobela Okuqinile Kwenhlanzeko: Kulungele izimboni ezinezidingo eziqinile zenhlanzeko njengokudla neziphuzo kanye nemithi (ehlangabezana nezindinganiso ezifana ne-FDA kanye ne-3-A), kugwema ukukhathazeka mayelana nokuchitheka kwezinto zenzwa noma ukungcoliswa kwemidiya.
2. Ukufakwa Okuguquguqukayo kanye Nezindleko Zokulungisa Eziphansi
- Ukufakwa Okulula: Ngokuvamile kufakwe ngaphezu kwengxenye ephezulu yamatangi, kungadingi ukufakwa endaweni futhi kungadali ukuphazamiseka kwezakhiwo zangaphakathi zamatangi. Kufaneleka kakhulu ukufaka kabusha amathangi akhona noma amathangi okugcina amakhulu (asikho isidingo sokubhoboza noma sokushintsha ithangi).
- Izidingo Zokulungisa Eziphansi: Ukungabi nezingxenye ezihambayo kanye nokungabikho kokuthintana nendawo kunciphisa umsebenzi wokulungisa obangelwa ukwakheka, ukuvaleka, noma ukuguguleka, okwandisa isikhathi senkonzo.
3. Ivumelana Nezindaba Eziningi Kodwa Izwela Ukuphazamiseka Kwemvelo
- Ukuhambisana Okubanzi Okumaphakathi: Iyakwazi ukulinganisa uketshezi, izinhlayiya eziqinile (isb., ama-pellet epulasitiki, okusanhlamvu), kanye nama-slurry. Ifaneleka kakhulu kuma-media ane-viscosity ephezulu (isb., uju, i-resin), izinto ezibola kakhulu (isb., izixazululo ze-acid/alkaline), noma ama-media aguquguqukayo.
- Ukuzwela Kwemvelo: Izimpawu ze-microwave zithinteka yizici zemvelo ezifana nomhwamuko, uthuli, igwebu, kanye nenkungu ngesikhathi sokusabalala, okungase kwenze buthaka noma kuphazamise izimpawu eziboniswayo. Imiklamo yemvamisa ephezulu (isb., 26GHz, 80GHz), ama-antenna akhethekile (isb., ama-antenna e-horn, ama-antenna e-parabolic), noma ubuchwepheshe bokuhlunga izimpawu busetshenziswa ukuthuthukisa amakhono okulwa nokuphazamiseka.
4. Ububanzi Bokulinganisa, Ukunemba Okuthonywa Yi-Dielectric Constant
- Ibanga Elikhulu Lokulinganisa: Ibanga elivamile lifinyelela ku-0.1m–100m, kanti amanye amamodeli amboza amathangi okugcina izinto amakhulu kakhulu noma izitsha ezivulekile.
- Ukuthembela ku-Dielectric Constant: I-dielectric constant ephezulu (εᵣ) ye-medium iphumela ezimpawini ezikhanyisiwe ezinamandla (isb., amanzi ane-εᵣ≈80 anokukhanya okuqinile). I-dielectric constant media ephansi (isb., uphethiloli one-εᵣ≈2, igesi kaphethiloli encibilikisiwe ene-εᵣ≈1.5) ikhiqiza ukukhanya okubuthakathaka, okungenzeka kunciphise ukunemba kokulinganisa (okuthuthukisiwe yi-radar enemvamisa ephezulu noma ama-antenna athuthukisiwe).
Ukulinganiselwa
- Kunzima ukulinganisa imidiya ngama-dielectric constant aphansi kakhulu (εᵣ<1.5) futhi avame ukuphazamiseka ngenxa yama-echoes angamanga (isb., ukubonakaliswa okuvela ezindongeni zamathangi noma ama-agitator).
- Ezimweni ezinzima ezinothuli olunzima, umhwamuko ophezulu, noma igwebu elijiyile, kudingeka ama-antenna engeziwe angangeni uthuli/inkungu noma amadivayisi okuhlanza; ngaphandle kwalokho, ukunemba kungase kwehle.
II. Izici Zamamitha Ezinga Le-Radar Yamagagasi Aqondiswayo
Amamitha e-radar yamagagasi aqondiswayo adlulisa izimpawu ze-microwave ngokusebenzisa ama-probe ensimbi (ama-waveguides, izintambo, noma izintambo ze-coaxial). Izimpawu zibonakala esixhumini esiphakathi nendawo nomoya, futhi izinga libalwa ngokuhlaziya lokhu kubonakaliswa. Izici zazo ezibalulekile yilezi ezilandelayo:
1. Ukulinganisa Ukuxhumana Okunamandla Okulwa Nokuphazamiseka
- Ukusabalala Kwesignali Eqondisayo: Ama-microwave ahamba nge-probe eqondisiwe, egxilisa amandla futhi enciphisa ukuphazamiseka okuvela ezintweni zemvelo ezifana nomhwamuko, uthuli, igwebu, noma ukuxokozela. Izimpawu zokukhanya ezizinzile zigcinwa ngisho nasegwebeni elijiyile noma ezimweni ezivuselelwe ngamandla.
- Ifanelekela Izimo Eziyinkimbinkimbi: Isebenza kahle kakhulu kwimidiya ene-viscosity ephezulu (isb., ama-fermenters kabhiya, ama-detergent), imidiya enezinhlayiya ezilengayo (isb., amajusi ezithelo, ama-slurries), noma izinto ezihlala zisebenza kahle ze-dielectric (isb., uwoyela okhanyayo, amagesi ancibilikisiwe), ukuxazulula inkinga yokuncipha kwesignali ku-radar engathintani.
2. Ukunemba Okuphezulu Nokuzinza Kokulinganisa
- Izimpawu Ezibukisiwe Ezigxilile: I-probe eqondiswayo igxilisa amandla e-microwave ebusweni obuphakathi, okuholela ekubukisisweni okuqinile nokuzinzile. Ukunemba kokulinganisa kuvame ukufinyelela ku-±0.05%FS kanye nokuphindaphinda okuhle kakhulu (±0.02%FS).
- Akuthinteki Isikhala Sethangi: Kufanelekela amathangi amancane, imikhumbi engakhekile ngendlela engavamile, noma amathangi anezithiyo zangaphakathi (isb., ama-agitator, ama-baffle), njengoba i-probe isakaza izimpawu ngokuzimela ngaphandle kokuphazamiseka okuvela ezakhiweni zethangi.
3. Ukufakwa Nokunakekelwa Okulungiselelwe Izakhiwo Eziphakathi
- Izindlela Zokufaka: Ama-probe kumele afakwe endaweni yokuxhumana. Ukukhethwa kwezinto (isb., insimbi engagqwali engu-316L, i-PTFE coating) kanye nohlobo lwe-probe (uhlobo lwenduku loketshezi olune-viscosity ephansi, uhlobo lwekhebula lohlobo lwe-viscosity ephezulu noma amathangi ajulile, uhlobo lwe-coaxial lohlobo lwe-dielectric constant media ephansi) kuncike ekubonakaleni okuphakathi kanye nokugqwala.
- Izinto Okufanele Uzicabangele Zokulungisa: Ukuthintana nemidiya kungase kubangele ukwakheka (imidiya enokugcwala okuphezulu), ukugqwala (imidiya egqwala kakhulu), noma ukukala. Ukuhlanza njalo kuyadingeka ukuvimbela ukuphambuka kwesiginali, futhi kuhlola ingozi yokwaphuka (imiklamo yokulwa nokushayisana iyadingeka ezindaweni ezinyakazayo).
4. Ukuhambisana Okuphakathi Nokwemvelo
- Ukuhambisana Okumaphakathi: Kufanelekile uketshezi, ama-slurry, kanye nezinhlayiya eziqinile, ikakhulukazi ezinhle kakhulu nge-dielectric constant ephansi (εᵣ≥1.8), i-high-viscosity (isb., i-asphalt, isiraphu), noma imidiya ekhazimula kalula (isb., izixazululo ze-caustic soda).
- Ukuzivumelanisa Nemvelo: Imelana namazinga okushisa aphezulu (-50℃ ~ 400℃) kanye nokucindezela (kufika ku-40MPa), okwenza ifaneleke ezindaweni ezibucayi njengezitshalo ze-petrochemical kanye namapulazi amathangi okugcina izinto.
Ukulinganiselwa
- Ukulinganisa kokuthintana kunciphisa ukusetshenziswa kwayo ezimweni zokuhlanzeka okuphezulu (isb., imithi ye-aseptic) ngenxa yezidingo zokuqinisekiswa kokuhlanza njalo.
- Ubude beprobe buzinzile, bunciphisa ububanzi bokulinganisa (ngokuvamile bufika ku-30m), okwenza bungafaneleki emikhunjini evulekile emikhulu kakhulu.
- I-media enokuqina okuphezulu noma eqina kalula ingabangela ukwakheka kwe-probe, okuthinta ukunemba; i-media egqwala kakhulu idinga izinto ezibizayo zokulwa nokugqwala.
III. Isifinyezo Sokuqhathanisa Sezimpawu Eziyinhloko
| Ubukhulu bokuqhathanisa | Imitha Yezinga Lerada (Ayixhunyanisiwe) | Imitha Yezinga Le-Radar Yamagagasi Eqondiswayo |
|---|---|---|
| Indlela Yokulinganisa | Ukungathintani (ama-microwave asakazeka emoyeni) | Uhlobo lokuxhumana (ama-microwave asakazeka eduze kwama-probe) |
| Amandla Okulwa Nokuphazamiseka | Ingathinteka kalula umhwamuko, igwebu, uthuli; ilungiselelwe ngama-antenna asebenza imvamisa ephezulu/akhethekile | Ukumelana okunamandla nokuphazamiseka; akuthinteki yigwebu, umhwamuko, noma ukuxokozela |
| Ukuhlanzeka | Akukho ukuthintana, izinga lokuhlanzeka eliphezulu; kufanelekile ekudleni/emithini | I-medium yokuxhumana; kunqunyelwe ezimweni zokuhlanzeka okuphezulu kakhulu ngenxa yezidingo zokuhlanza njalo |
| Ukunemba Kokulinganisa | ±0.1%~±0.5%FS (ithonywe yindawo kanye ne-dielectric constant) | ±0.05%~±0.1%FS (amasignali azinzile, ukunemba okuphezulu) |
| Izindleko Zokulungisa | Iphansi (akukho ukuthintana, akukho ukugqokwa) | Okuphakathi nendawo (kudinga ukuhlanzwa kwe-probe, ukuvimbela ukugqwala/ukwakheka) |
| Imidiya Efanelekile | Ingcolisa kakhulu, inobuthi obukhulu, ihlanzekile (igwema ukungcola kokuthintana) | I-dielectric constant ephansi, i-high-foam, i-media equkethe izinhlayiya; izimo eziyinkimbinkimbi |
| Imikhawulo Yokufaka | Kudinga isikhala ngaphezu kwethangi; akudingeki ukufakwa | Kudinga ukufakwa kwe-probe; kunqunyelwe izakhiwo zangaphakathi zethangi kanye nobude be-probe |
Isiphetho
Amamitha e-radar angathintani asebenza kahle kakhulu ekusebenzeni okungathintani, ukuhlanzeka okuphezulu, kanye nokugcinwa okuphansi, okwenza afaneleke kakhulu ekusetshenzisweni kwe-tank ephezulu, ebolile, noma yama-tank amakhulu. I-radar yamagagasi aqondiswayo, ene-anti-interference enamandla, ukunemba okuphezulu, kanye nokuzivumelanisa nezimo ze-complex media, ikhethwa kakhulu ezimweni ezine-foam, i-dielectric constant media ephansi, noma amathangi amancane/angajwayelekile. Ukukhetha okusebenzayo kufanele kucabangele izakhiwo eziphakathi nendawo (ukuqina, ukubola, i-dielectric constant), izimo zemvelo (umhwamuko, uthuli, ingcindezi), kanye nezidingo zenhlanzeko.
Isikhathi sokuthunyelwe: Julayi-22-2025