超(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)(bo)在液(ye)體(ti)中(zhong)(zhong)(zhong)(zhong)傳播,使(shi)(shi)液(ye)體(ti)和(he)(he)清洗(xi)槽(cao)在超(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)(bo)頻率(lv)(lv)下振動(dong)(dong),液(ye)體(ti)和(he)(he)清洗(xi)槽(cao)在自(zi)己的(de)(de)(de)(de)(de)(de)固有(you)頻率(lv)(lv)(即聲(sheng)(sheng)(sheng)(sheng)頻)下振動(dong)(dong),人們(men)聽(ting)到嗡(weng)嗡(weng)聲(sheng)(sheng)(sheng)(sheng)。沿著(zhu)清洗(xi)行(xing)業的(de)(de)(de)(de)(de)(de)發展,越來越多的(de)(de)(de)(de)(de)(de)行(xing)業和(he)(he)企業使(shi)(shi)用(yong)超(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)(bo)清洗(xi)機。依據(ju)(ju)超(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)(bo)清洗(xi)器的(de)(de)(de)(de)(de)(de)原(yuan)理(li)(li),來源(yuan)于超(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)(bo)換(huan)(huan)能器的(de)(de)(de)(de)(de)(de)高(gao)頻率(lv)(lv)振動(dong)(dong)數據(ju)(ju)信號根據(ju)(ju)超(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)(bo)換(huan)(huan)能器轉(zhuan)換(huan)(huan)為(wei)高(gao)頻率(lv)(lv)現代(dai)控制理(li)(li)論,散(san)播到做為(wei)物質的(de)(de)(de)(de)(de)(de)清理(li)(li)有(you)機溶(rong)劑中(zhong)(zhong)(zhong)(zhong),超(chao)音(yin)波(bo)(bo)在清潔(jie)液(ye)中(zhong)(zhong)(zhong)(zhong)粗密地前后左右放射性(xing),使(shi)(shi)液(ye)體(ti)流(liu)動(dong)(dong)性(xing)而(er)造成(cheng)數十萬米的(de)(de)(de)(de)(de)(de)直徑50-500μm的(de)(de)(de)(de)(de)(de)細微汽泡(pao)(pao),液(ye)體(ti)中(zhong)(zhong)(zhong)(zhong)存有(you)的(de)(de)(de)(de)(de)(de)細微汽泡(pao)(pao)在音(yin)場中(zhong)(zhong)(zhong)(zhong)振動(dong)(dong)。這些氣(qi)(qi)泡(pao)(pao)形(xing)成(cheng)并生長(chang)在超(chao)聲(sheng)(sheng)(sheng)(sheng)縱(zong)向傳輸負(fu)壓(ya)(ya)區,而(er)在正壓(ya)(ya)區,當(dang)聲(sheng)(sheng)(sheng)(sheng)壓(ya)(ya)達到一(yi)定值時(shi),氣(qi)(qi)泡(pao)(pao)迅速增加,然(ran)后突然(ran)關閉(bi)。并在氣(qi)(qi)泡(pao)(pao)閉(bi)合時(shi)產生沖擊波(bo)(bo),在其周(zhou)圍產生上(shang)千(qian)個大(da)氣(qi)(qi)壓(ya)(ya),破壞不(bu)溶(rong)性(xing)污(wu)(wu)物而(er)使(shi)(shi)他們(men)分散(san)于清洗(xi)液(ye)中(zhong)(zhong)(zhong)(zhong),當(dang)團體(ti)粒子被(bei)油(you)污(wu)(wu)裹著(zhu)而(er)黏(nian)附在清洗(xi)件表(biao)面時(shi),油(you)被(bei)乳(ru)化,固體(ti)粒子及(ji)脫離,從而(er)達到清洗(xi)件凈化的(de)(de)(de)(de)(de)(de)目的(de)(de)(de)(de)(de)(de)。在這種被(bei)稱之為(wei)“空化”效(xiao)(xiao)應(ying)的(de)(de)(de)(de)(de)(de)過程中(zhong)(zhong)(zhong)(zhong),氣(qi)(qi)泡(pao)(pao)閉(bi)合可(ke)形(xing)成(cheng)幾百度的(de)(de)(de)(de)(de)(de)高(gao)溫和(he)(he)超(chao)過1000個氣(qi)(qi)壓(ya)(ya)的(de)(de)(de)(de)(de)(de)瞬間高(gao)壓(ya)(ya)。超(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)(bo)清洗(xi)機的(de)(de)(de)(de)(de)(de)優點是:超(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)(bo)清洗(xi)效(xiao)(xiao)果(guo)好,操作簡(jian)單(dan)。人們(men)聽(ting)到的(de)(de)(de)(de)(de)(de)聲(sheng)(sheng)(sheng)(sheng)音(yin)是20-20000Hz頻率(lv)(lv)高(gao)于20000Hz的(de)(de)(de)(de)(de)(de)聲(sheng)(sheng)(sheng)(sheng)波(bo)(bo)信號,稱為(wei)超(chao)聲(sheng)(sheng)(sheng)(sheng)波(bo)(bo)。一(yi)個原(yuan)因是液(ye)體(ti)中(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)局部拉應(ying)力(li)(li)形(xing)成(cheng)負(fu)壓(ya)(ya),壓(ya)(ya)力(li)(li)的(de)(de)(de)(de)(de)(de)減小使(shi)(shi)原(yuan)溶(rong)解(jie)氣(qi)(qi)體(ti)飽(bao)和(he)(he),但從液(ye)體(ti)中(zhong)(zhong)(zhong)(zhong)逃逸,成(cheng)為(wei)一(yi)個小泡(pao)(pao);另一(yi)個原(yuan)因是強拉應(ying)力(li)(li)將液(ye)體(ti)撕裂(lie)成(cheng)一(yi)個孔(kong),稱為(wei)空化。
發布時間:
2020
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01
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14
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