超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)在(zai)(zai)液(ye)(ye)體(ti)(ti)(ti)(ti)(ti)中(zhong)傳播(bo),使液(ye)(ye)體(ti)(ti)(ti)(ti)(ti)和(he)(he)清洗槽在(zai)(zai)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)頻(pin)(pin)率(lv)下振(zhen)動(dong),液(ye)(ye)體(ti)(ti)(ti)(ti)(ti)和(he)(he)清洗槽在(zai)(zai)自己的(de)(de)(de)固有(you)頻(pin)(pin)率(lv)(即聲(sheng)(sheng)(sheng)(sheng)(sheng)頻(pin)(pin))下振(zhen)動(dong),人們(men)(men)聽到(dao)嗡嗡聲(sheng)(sheng)(sheng)(sheng)(sheng)。沿(yan)著(zhu)清洗行業(ye)的(de)(de)(de)發(fa)展,越來越多的(de)(de)(de)行業(ye)和(he)(he)企(qi)業(ye)使用超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)清洗機。依據超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)清洗器(qi)的(de)(de)(de)原(yuan)(yuan)理(li),來源于超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)換能(neng)器(qi)的(de)(de)(de)高頻(pin)(pin)率(lv)振(zhen)動(dong)數據信號根據超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)換能(neng)器(qi)轉換為高頻(pin)(pin)率(lv)現代(dai)控制(zhi)理(li)論,散播(bo)到(dao)做(zuo)為物質的(de)(de)(de)清理(li)有(you)機溶(rong)劑中(zhong),超(chao)(chao)(chao)(chao)音波(bo)(bo)(bo)在(zai)(zai)清潔液(ye)(ye)中(zhong)粗密地前后左右(you)放射性,使液(ye)(ye)體(ti)(ti)(ti)(ti)(ti)流動(dong)性而(er)造成數十(shi)萬米的(de)(de)(de)直徑50-500μm的(de)(de)(de)細微(wei)汽泡(pao),液(ye)(ye)體(ti)(ti)(ti)(ti)(ti)中(zhong)存有(you)的(de)(de)(de)細微(wei)汽泡(pao)在(zai)(zai)音場中(zhong)振(zhen)動(dong)。這些氣(qi)(qi)(qi)泡(pao)形成并生(sheng)長在(zai)(zai)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)縱(zong)向傳輸(shu)負壓(ya)區,而(er)在(zai)(zai)正壓(ya)區,當聲(sheng)(sheng)(sheng)(sheng)(sheng)壓(ya)達(da)到(dao)一(yi)定值時,氣(qi)(qi)(qi)泡(pao)迅速增加,然后突然關(guan)閉(bi)。并在(zai)(zai)氣(qi)(qi)(qi)泡(pao)閉(bi)合(he)時產生(sheng)沖擊波(bo)(bo)(bo),在(zai)(zai)其周圍產生(sheng)上千個(ge)(ge)大(da)氣(qi)(qi)(qi)壓(ya),破(po)壞不溶(rong)性污(wu)物而(er)使他們(men)(men)分散于清洗液(ye)(ye)中(zhong),當團體(ti)(ti)(ti)(ti)(ti)粒子被(bei)油(you)污(wu)裹著(zhu)而(er)黏附在(zai)(zai)清洗件(jian)(jian)表(biao)面時,油(you)被(bei)乳化(hua),固體(ti)(ti)(ti)(ti)(ti)粒子及(ji)脫離,從而(er)達(da)到(dao)清洗件(jian)(jian)凈(jing)化(hua)的(de)(de)(de)目的(de)(de)(de)。在(zai)(zai)這種被(bei)稱(cheng)之為“空(kong)(kong)化(hua)”效應(ying)的(de)(de)(de)過程中(zhong),氣(qi)(qi)(qi)泡(pao)閉(bi)合(he)可形成幾百度的(de)(de)(de)高溫和(he)(he)超(chao)(chao)(chao)(chao)過1000個(ge)(ge)氣(qi)(qi)(qi)壓(ya)的(de)(de)(de)瞬間高壓(ya)。超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)清洗機的(de)(de)(de)優點是:超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)清洗效果好(hao),操作簡單(dan)。人們(men)(men)聽到(dao)的(de)(de)(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)音是20-20000Hz頻(pin)(pin)率(lv)高于20000Hz的(de)(de)(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)信號,稱(cheng)為超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)。一(yi)個(ge)(ge)原(yuan)(yuan)因是液(ye)(ye)體(ti)(ti)(ti)(ti)(ti)中(zhong)的(de)(de)(de)局部拉應(ying)力(li)(li)(li)形成負壓(ya),壓(ya)力(li)(li)(li)的(de)(de)(de)減小(xiao)使原(yuan)(yuan)溶(rong)解氣(qi)(qi)(qi)體(ti)(ti)(ti)(ti)(ti)飽(bao)和(he)(he),但從液(ye)(ye)體(ti)(ti)(ti)(ti)(ti)中(zhong)逃逸,成為一(yi)個(ge)(ge)小(xiao)泡(pao);另一(yi)個(ge)(ge)原(yuan)(yuan)因是強拉應(ying)力(li)(li)(li)將液(ye)(ye)體(ti)(ti)(ti)(ti)(ti)撕裂成一(yi)個(ge)(ge)孔,稱(cheng)為空(kong)(kong)化(hua)。
發布時間:
2020
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01
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14
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