Ultrasonic waveluhlobo lwe-elastic mechanical wave kwi-material medium. Luhlobo lwefom yamaza, ngoko inokusetyenziselwa ukufumanisa ulwazi lwe-physiological kunye ne-pathological yomzimba womntu. Kwangaxeshanye, ikwayindlela yamandla. Xa umthamo othile we-ultrasound uhanjiswa emzimbeni, ngokusebenzisana kwabo, kunokubangela utshintsho kumsebenzi kunye nesakhiwo somzimba, oko kukuthi, i-ultrasound biological effect. Iziphumo eziphambili ze-ultrasound kwiiseli ziyi-thermal effect, i-cavitation effect kunye nefuthe lomatshini.
Umatshini wokusasaza we-Ultrasonicluhlobo lwendlela yokusabalalisa ngamandla amakhulu, okubeka ngokuthe ngqo i-particle ukumiswa ukuba iphathwe kwintsimi ye-ultrasonic kwaye "i-irradiates" nge-high power ultrasonic. Okokuqala, ukusasazwa kwamaza e-ultrasonic kufuna i-medium njengomphathi. Ukusasazwa kwe-ultrasonic wave phakathi kunexesha elitshintshileyo loxinzelelo olulungileyo kunye nolubi, kwaye i-medium iyacinywa kwaye itsalwe phantsi koxinzelelo oluhle kunye olubi lwe-colloid. Xa i-wave ye-ultrasonic isebenza kumanzi aphakathi, umgama phakathi kwama-molecule aphakathi kwindawo yoxinzelelo olubi uya kudlula umgama obalulekileyo we-molecular medium medium, kwaye i-liquid medium iya kuphuka kwaye yenze i-Microbubbles yamanzi ikhule ibe yi-cavitation bubbles. Iqamuza linganyibilika kwakhona kwirhasi, lidada kwaye linyamalale, okanye liphume kwisigaba se-resonance sentsimi ye-ultrasonic. Kuyinto eyenzeka ukuba i-bubble ye-cavitation iveliswe, yawa okanye yanyamalala kwi-medium liquid. I-Cavitation iya kuvelisa ukushisa okuphezulu kwendawo kunye noxinzelelo oluphezulu, kwaye ivelise amandla amakhulu empembelelo kunye nejet encinci. Ngaphantsi kwesenzo se-cavitation, amandla omhlaba we-nano powder ayancipha, ukuze aqonde ukusasazeka kwe-nano powder.
Uyilo lwentloko ye-dispersing ye-ultrasonic disperser nayo inokuhlangabezana neemfuno ze-viscosity eyahlukeneyo kunye nobukhulu be-particle. Umahluko phakathi koyilo lwe-stator ye-intanethi kunye ne-rotor (intloko ye-emulsifying) kunye nentloko esebenzayo yomatshini we-batch ikakhulu ngenxa yeemfuno zokuthutha. Kufuneka kuqatshelwe ukuba umehluko phakathi kokuchaneka kwe-coarse, ukuchaneka okuphakathi, ukuchaneka okulungileyo kunye nezinye iintlobo zentloko ezisebenzayo azikho nje ukulungiswa kwamazinyo e-rotor, kodwa kunye nokwahlulo phakathi kweempawu zejometri zeentloko ezahlukeneyo zokusebenza Kuyafana. Inombolo ye-slot, ububanzi be-slot kunye nezinye iimpawu zejometri zingatshintsha imisebenzi eyahlukeneyo ye-stator kunye neentloko zokusebenza ze-rotor.
Umgaqo wei-ultrasonic disperserayimangalisi kwaye intsonkothile. Ngamafutshane, amandla ombane aguqulwa abe ngamandla esandi nge-transducer. La mandla aguqulwa abe ngamaqamza amancinci axineneyo ngokusebenzisa isiphakathi solwelo. La maqamza amancinci agqabhuka ngokukhawuleza, ngaloo ndlela edlala indima yokutyumza iiseli kunye nezinye izinto.
Ixesha lokuposa: Feb-05-2021