超(chao)(chao)(chao)(chao)聲(sheng)(sheng)波(bo)在(zai)(zai)(zai)液(ye)(ye)(ye)(ye)體(ti)中(zhong)(zhong)(zhong)傳播,使(shi)液(ye)(ye)(ye)(ye)體(ti)和(he)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)槽在(zai)(zai)(zai)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)波(bo)頻(pin)率下(xia)(xia)振(zhen)(zhen)動(dong)(dong)(dong),液(ye)(ye)(ye)(ye)體(ti)和(he)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)槽在(zai)(zai)(zai)自(zi)己(ji)的(de)(de)(de)固有頻(pin)率(即聲(sheng)(sheng)頻(pin))下(xia)(xia)振(zhen)(zhen)動(dong)(dong)(dong),人們(men)聽到(dao)(dao)嗡嗡聲(sheng)(sheng)。沿著清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)行業的(de)(de)(de)發展,越來越多(duo)的(de)(de)(de)行業和(he)企(qi)業使(shi)用超(chao)(chao)(chao)(chao)聲(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)機。依據(ju)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)器(qi)(qi)(qi)的(de)(de)(de)原(yuan)理(li),來源于超(chao)(chao)(chao)(chao)聲(sheng)(sheng)波(bo)換能器(qi)(qi)(qi)的(de)(de)(de)高(gao)(gao)頻(pin)率振(zhen)(zhen)動(dong)(dong)(dong)數(shu)(shu)據(ju)信(xin)號根據(ju)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)波(bo)換能器(qi)(qi)(qi)轉換為(wei)(wei)高(gao)(gao)頻(pin)率現代控制理(li)論,散播到(dao)(dao)做(zuo)為(wei)(wei)物質(zhi)的(de)(de)(de)清(qing)(qing)(qing)理(li)有機溶劑中(zhong)(zhong)(zhong),超(chao)(chao)(chao)(chao)音(yin)波(bo)在(zai)(zai)(zai)清(qing)(qing)(qing)潔液(ye)(ye)(ye)(ye)中(zhong)(zhong)(zhong)粗密地前后(hou)左右放射性,使(shi)液(ye)(ye)(ye)(ye)體(ti)流動(dong)(dong)(dong)性而(er)造(zao)成(cheng)數(shu)(shu)十萬米的(de)(de)(de)直徑(jing)50-500μm的(de)(de)(de)細微(wei)汽泡(pao)(pao)(pao),液(ye)(ye)(ye)(ye)體(ti)中(zhong)(zhong)(zhong)存有的(de)(de)(de)細微(wei)汽泡(pao)(pao)(pao)在(zai)(zai)(zai)音(yin)場中(zhong)(zhong)(zhong)振(zhen)(zhen)動(dong)(dong)(dong)。這(zhe)些(xie)氣泡(pao)(pao)(pao)形成(cheng)并生(sheng)長在(zai)(zai)(zai)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)縱(zong)向(xiang)傳輸負壓(ya)(ya)(ya)區,而(er)在(zai)(zai)(zai)正壓(ya)(ya)(ya)區,當聲(sheng)(sheng)壓(ya)(ya)(ya)達到(dao)(dao)一(yi)定值時(shi),氣泡(pao)(pao)(pao)迅速增加,然(ran)后(hou)突(tu)然(ran)關閉。并在(zai)(zai)(zai)氣泡(pao)(pao)(pao)閉合時(shi)產生(sheng)沖擊波(bo),在(zai)(zai)(zai)其周圍(wei)產生(sheng)上千個(ge)大氣壓(ya)(ya)(ya),破壞不(bu)溶性污物而(er)使(shi)他們(men)分散于清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)(ye)(ye)(ye)中(zhong)(zhong)(zhong),當團(tuan)體(ti)粒子(zi)被油污裹(guo)著而(er)黏附在(zai)(zai)(zai)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)件(jian)表面時(shi),油被乳化,固體(ti)粒子(zi)及脫離(li),從而(er)達到(dao)(dao)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)件(jian)凈化的(de)(de)(de)目的(de)(de)(de)。在(zai)(zai)(zai)這(zhe)種被稱(cheng)之為(wei)(wei)“空化”效應的(de)(de)(de)過(guo)程中(zhong)(zhong)(zhong),氣泡(pao)(pao)(pao)閉合可(ke)形成(cheng)幾(ji)百度的(de)(de)(de)高(gao)(gao)溫和(he)超(chao)(chao)(chao)(chao)過(guo)1000個(ge)氣壓(ya)(ya)(ya)的(de)(de)(de)瞬間高(gao)(gao)壓(ya)(ya)(ya)。超(chao)(chao)(chao)(chao)聲(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)機的(de)(de)(de)優點是(shi):超(chao)(chao)(chao)(chao)聲(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)效果好,操(cao)作簡單。人們(men)聽到(dao)(dao)的(de)(de)(de)聲(sheng)(sheng)音(yin)是(shi)20-20000Hz頻(pin)率高(gao)(gao)于20000Hz的(de)(de)(de)聲(sheng)(sheng)波(bo)信(xin)號,稱(cheng)為(wei)(wei)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)波(bo)。一(yi)個(ge)原(yuan)因是(shi)液(ye)(ye)(ye)(ye)體(ti)中(zhong)(zhong)(zhong)的(de)(de)(de)局部拉應力形成(cheng)負壓(ya)(ya)(ya),壓(ya)(ya)(ya)力的(de)(de)(de)減小使(shi)原(yuan)溶解氣體(ti)飽(bao)和(he),但(dan)從液(ye)(ye)(ye)(ye)體(ti)中(zhong)(zhong)(zhong)逃逸,成(cheng)為(wei)(wei)一(yi)個(ge)小泡(pao)(pao)(pao);另一(yi)個(ge)原(yuan)因是(shi)強拉應力將液(ye)(ye)(ye)(ye)體(ti)撕裂成(cheng)一(yi)個(ge)孔,稱(cheng)為(wei)(wei)空化。
發布時間:
2020
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01
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14
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