超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)液(ye)(ye)體中(zhong)(zhong)(zhong)(zhong)傳(chuan)播,使(shi)液(ye)(ye)體和(he)清(qing)洗(xi)槽在(zai)(zai)(zai)(zai)(zai)(zai)(zai)超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)頻(pin)率(lv)下振動,液(ye)(ye)體和(he)清(qing)洗(xi)槽在(zai)(zai)(zai)(zai)(zai)(zai)(zai)自己的(de)(de)(de)固有頻(pin)率(lv)(即聲(sheng)(sheng)頻(pin))下振動,人們(men)聽到(dao)(dao)嗡(weng)(weng)嗡(weng)(weng)聲(sheng)(sheng)。沿著清(qing)洗(xi)行(xing)(xing)業的(de)(de)(de)發展,越來越多(duo)的(de)(de)(de)行(xing)(xing)業和(he)企業使(shi)用超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)清(qing)洗(xi)機(ji)。依據超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)清(qing)洗(xi)器的(de)(de)(de)原理,來源于超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)換(huan)(huan)能(neng)器的(de)(de)(de)高(gao)頻(pin)率(lv)振動數據信(xin)號(hao)根(gen)據超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)換(huan)(huan)能(neng)器轉(zhuan)換(huan)(huan)為(wei)(wei)高(gao)頻(pin)率(lv)現代控制理論,散(san)播到(dao)(dao)做為(wei)(wei)物質的(de)(de)(de)清(qing)理有機(ji)溶(rong)劑中(zhong)(zhong)(zhong)(zhong),超(chao)(chao)音(yin)波(bo)(bo)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)清(qing)潔液(ye)(ye)中(zhong)(zhong)(zhong)(zhong)粗密(mi)地前后(hou)左右放射性,使(shi)液(ye)(ye)體流動性而(er)造成(cheng)數十萬米(mi)的(de)(de)(de)直徑50-500μm的(de)(de)(de)細微汽泡,液(ye)(ye)體中(zhong)(zhong)(zhong)(zhong)存有的(de)(de)(de)細微汽泡在(zai)(zai)(zai)(zai)(zai)(zai)(zai)音(yin)場中(zhong)(zhong)(zhong)(zhong)振動。這些(xie)氣(qi)(qi)泡形(xing)成(cheng)并(bing)生長在(zai)(zai)(zai)(zai)(zai)(zai)(zai)超(chao)(chao)聲(sheng)(sheng)縱向(xiang)傳(chuan)輸負(fu)壓(ya)區(qu),而(er)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)正壓(ya)區(qu),當(dang)聲(sheng)(sheng)壓(ya)達到(dao)(dao)一(yi)定值時,氣(qi)(qi)泡迅速增(zeng)加,然(ran)后(hou)突(tu)然(ran)關閉。并(bing)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)氣(qi)(qi)泡閉合時產生沖擊波(bo)(bo),在(zai)(zai)(zai)(zai)(zai)(zai)(zai)其周圍產生上千個大氣(qi)(qi)壓(ya),破壞(huai)不(bu)溶(rong)性污物而(er)使(shi)他們(men)分散(san)于清(qing)洗(xi)液(ye)(ye)中(zhong)(zhong)(zhong)(zhong),當(dang)團體粒子被(bei)油污裹著而(er)黏附在(zai)(zai)(zai)(zai)(zai)(zai)(zai)清(qing)洗(xi)件(jian)表面時,油被(bei)乳化,固體粒子及脫(tuo)離,從(cong)而(er)達到(dao)(dao)清(qing)洗(xi)件(jian)凈化的(de)(de)(de)目的(de)(de)(de)。在(zai)(zai)(zai)(zai)(zai)(zai)(zai)這種(zhong)被(bei)稱(cheng)(cheng)之為(wei)(wei)“空化”效(xiao)應的(de)(de)(de)過程中(zhong)(zhong)(zhong)(zhong),氣(qi)(qi)泡閉合可形(xing)成(cheng)幾百(bai)度(du)的(de)(de)(de)高(gao)溫和(he)超(chao)(chao)過1000個氣(qi)(qi)壓(ya)的(de)(de)(de)瞬(shun)間高(gao)壓(ya)。超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)清(qing)洗(xi)機(ji)的(de)(de)(de)優點(dian)是(shi)(shi):超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)清(qing)洗(xi)效(xiao)果好(hao),操(cao)作簡(jian)單。人們(men)聽到(dao)(dao)的(de)(de)(de)聲(sheng)(sheng)音(yin)是(shi)(shi)20-20000Hz頻(pin)率(lv)高(gao)于20000Hz的(de)(de)(de)聲(sheng)(sheng)波(bo)(bo)信(xin)號(hao),稱(cheng)(cheng)為(wei)(wei)超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)。一(yi)個原因(yin)是(shi)(shi)液(ye)(ye)體中(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)局部拉應力形(xing)成(cheng)負(fu)壓(ya),壓(ya)力的(de)(de)(de)減小使(shi)原溶(rong)解氣(qi)(qi)體飽和(he),但從(cong)液(ye)(ye)體中(zhong)(zhong)(zhong)(zhong)逃(tao)逸,成(cheng)為(wei)(wei)一(yi)個小泡;另一(yi)個原因(yin)是(shi)(shi)強(qiang)拉應力將液(ye)(ye)體撕裂(lie)成(cheng)一(yi)個孔(kong),稱(cheng)(cheng)為(wei)(wei)空化。
發布(bu)時間:
2020
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01
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14
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