眾(zhong)所周(zhou)知,超(chao)聲(sheng)波(bo)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)物品優勢(shi)明顯,那么超(chao)聲(sheng)波(bo)到(dao)底(di)是(shi)如何完(wan)成清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)工作(zuo)(zuo)(zuo)(zuo)的(de)(de)(de)(de)(de)呢?超(chao)聲(sheng)波(bo)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)是(shi)利(li)用(yong)(yong)(yong)超(chao)聲(sheng)波(bo)在(zai)(zai)液(ye)(ye)(ye)體(ti)中(zhong)的(de)(de)(de)(de)(de)空(kong)(kong)化(hua)作(zuo)(zuo)(zuo)(zuo)用(yong)(yong)(yong)、加(jia)(jia)速(su)(su)度(du)(du)(du)作(zuo)(zuo)(zuo)(zuo)用(yong)(yong)(yong)及直(zhi)(zhi)進(jin)(jin)流作(zuo)(zuo)(zuo)(zuo)用(yong)(yong)(yong)對(dui)液(ye)(ye)(ye)體(ti)和(he)污(wu)(wu)物直(zhi)(zhi)接、間(jian)接的(de)(de)(de)(de)(de)作(zuo)(zuo)(zuo)(zuo)用(yong)(yong)(yong),使污(wu)(wu)物層(ceng)被分散(san)、乳化(hua)、剝(bo)離而(er)(er)(er)達(da)到(dao)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)目(mu)(mu)的(de)(de)(de)(de)(de)。目(mu)(mu)前所用(yong)(yong)(yong)的(de)(de)(de)(de)(de)超(chao)聲(sheng)波(bo)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)機中(zhong),空(kong)(kong)化(hua)作(zuo)(zuo)(zuo)(zuo)用(yong)(yong)(yong)和(he)直(zhi)(zhi)進(jin)(jin)流作(zuo)(zuo)(zuo)(zuo)用(yong)(yong)(yong)應用(yong)(yong)(yong)得更多。 (1)空(kong)(kong)化(hua)作(zuo)(zuo)(zuo)(zuo)用(yong)(yong)(yong):空(kong)(kong)化(hua)作(zuo)(zuo)(zuo)(zuo)用(yong)(yong)(yong)就是(shi)超(chao)聲(sheng)波(bo)以(yi)每秒兩(liang)萬次以(yi)上的(de)(de)(de)(de)(de)壓縮力和(he)減壓力交(jiao)互性的(de)(de)(de)(de)(de)高頻變換(huan)方式向液(ye)(ye)(ye)體(ti)進(jin)(jin)行(xing)透(tou)射。在(zai)(zai)減壓力作(zuo)(zuo)(zuo)(zuo)用(yong)(yong)(yong)時,液(ye)(ye)(ye)體(ti)中(zhong)產(chan)(chan)生(sheng)(sheng)(sheng)真(zhen)空(kong)(kong)核群(qun)(qun)泡(pao)(pao)的(de)(de)(de)(de)(de)現象(xiang),在(zai)(zai)壓縮力作(zuo)(zuo)(zuo)(zuo)用(yong)(yong)(yong)時,真(zhen)空(kong)(kong)核群(qun)(qun)泡(pao)(pao)受壓力壓碎時產(chan)(chan)生(sheng)(sheng)(sheng)強(qiang)大的(de)(de)(de)(de)(de)沖(chong)擊力,由此剝(bo)離被清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)物表面的(de)(de)(de)(de)(de)污(wu)(wu)垢,從而(er)(er)(er)達(da)到(dao)精密洗(xi)(xi)凈目(mu)(mu)的(de)(de)(de)(de)(de)。 在(zai)(zai)超(chao)聲(sheng)波(bo)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)過程中(zhong),肉眼能(neng)看見(jian)的(de)(de)(de)(de)(de)泡(pao)(pao)并(bing)不(bu)是(shi)真(zhen)空(kong)(kong)核群(qun)(qun)泡(pao)(pao),而(er)(er)(er)是(shi)空(kong)(kong)氣(qi)氣(qi)泡(pao)(pao),它(ta)對(dui)空(kong)(kong)化(hua)作(zuo)(zuo)(zuo)(zuo)用(yong)(yong)(yong)產(chan)(chan)生(sheng)(sheng)(sheng)抑制作(zuo)(zuo)(zuo)(zuo)用(yong)(yong)(yong)降低清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)效率。只有液(ye)(ye)(ye)體(ti)中(zhong)的(de)(de)(de)(de)(de)空(kong)(kong)氣(qi)氣(qi)泡(pao)(pao)被完(wan)全脫走,空(kong)(kong)化(hua)作(zuo)(zuo)(zuo)(zuo)用(yong)(yong)(yong)的(de)(de)(de)(de)(de)真(zhen)空(kong)(kong)核群(qun)(qun)泡(pao)(pao)才能(neng)達(da)到(dao)最(zui)佳效果(guo)。 (2)直(zhi)(zhi)進(jin)(jin)流作(zuo)(zuo)(zuo)(zuo)用(yong)(yong)(yong):超(chao)聲(sheng)波(bo)在(zai)(zai)液(ye)(ye)(ye)體(ti)中(zhong)沿聲(sheng)的(de)(de)(de)(de)(de)傳播(bo)方向產(chan)(chan)生(sheng)(sheng)(sheng)流動(dong)的(de)(de)(de)(de)(de)現象(xiang)稱為直(zhi)(zhi)進(jin)(jin)流。聲(sheng)波(bo)強(qiang)度(du)(du)(du)在(zai)(zai)0.5W/cm2時,肉眼能(neng)看到(dao)直(zhi)(zhi)進(jin)(jin)流,垂直(zhi)(zhi)于振動(dong)面產(chan)(chan)生(sheng)(sheng)(sheng)流動(dong),流速(su)(su)約為10cm/s。通(tong)過此直(zhi)(zhi)進(jin)(jin)流使被清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)物表面的(de)(de)(de)(de)(de)微油(you)污(wu)(wu)垢被攪拌,污(wu)(wu)垢表面的(de)(de)(de)(de)(de)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)液(ye)(ye)(ye)也產(chan)(chan)生(sheng)(sheng)(sheng)對(dui)流,溶解(jie)污(wu)(wu)物的(de)(de)(de)(de)(de)溶解(jie)液(ye)(ye)(ye)與新液(ye)(ye)(ye)混合(he),使溶解(jie)速(su)(su)度(du)(du)(du)加(jia)(jia)快(kuai),對(dui)污(wu)(wu)物的(de)(de)(de)(de)(de)搬運起著(zhu)很大的(de)(de)(de)(de)(de)作(zuo)(zuo)(zuo)(zuo)用(yong)(yong)(yong)。 (3)加(jia)(jia)速(su)(su)度(du)(du)(du):液(ye)(ye)(ye)體(ti)粒子推動(dong)產(chan)(chan)生(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)加(jia)(jia)速(su)(su)度(du)(du)(du)。對(dui)于頻率較高的(de)(de)(de)(de)(de)超(chao)聲(sheng)波(bo)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)機,空(kong)(kong)化(hua)作(zuo)(zuo)(zuo)(zuo)用(yong)(yong)(yong)就很不(bu)顯著(zhu)了,這時的(de)(de)(de)(de)(de)清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)主要靠液(ye)(ye)(ye)體(ti)粒子超(chao)聲(sheng)作(zuo)(zuo)(zuo)(zuo)用(yong)(yong)(yong)下的(de)(de)(de)(de)(de)加(jia)(jia)速(su)(su)度(du)(du)(du)撞(zhuang)擊粒子對(dui)污(wu)(wu)物進(jin)(jin)行(xing)超(chao)精密清(qing)(qing)(qing)(qing)(qing)(qing)洗(xi)(xi)。
發布(bu)時間(jian):
2020
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02
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26
瀏(liu)覽次數:112