眾(zhong)所(suo)周(zhou)知,超(chao)(chao)聲(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)物(wu)(wu)品優勢(shi)明顯(xian),那么超(chao)(chao)聲(sheng)(sheng)波(bo)到底是(shi)(shi)如何完成清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)工作(zuo)(zuo)(zuo)的(de)(de)(de)(de)呢?超(chao)(chao)聲(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)是(shi)(shi)利用(yong)(yong)(yong)超(chao)(chao)聲(sheng)(sheng)波(bo)在(zai)液(ye)(ye)(ye)體(ti)中(zhong)的(de)(de)(de)(de)空(kong)化(hua)(hua)(hua)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)、加速度(du)(du)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)及直進(jin)(jin)流(liu)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)對(dui)液(ye)(ye)(ye)體(ti)和污(wu)物(wu)(wu)直接、間接的(de)(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)(yong),使污(wu)物(wu)(wu)層(ceng)被(bei)(bei)分散、乳化(hua)(hua)(hua)、剝(bo)離而達到清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)目(mu)的(de)(de)(de)(de)。目(mu)前所(suo)用(yong)(yong)(yong)的(de)(de)(de)(de)超(chao)(chao)聲(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)機(ji)中(zhong),空(kong)化(hua)(hua)(hua)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)和直進(jin)(jin)流(liu)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)應用(yong)(yong)(yong)得更多。 (1)空(kong)化(hua)(hua)(hua)作(zuo)(zuo)(zuo)用(yong)(yong)(yong):空(kong)化(hua)(hua)(hua)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)就(jiu)(jiu)是(shi)(shi)超(chao)(chao)聲(sheng)(sheng)波(bo)以每秒兩(liang)萬次以上的(de)(de)(de)(de)壓(ya)縮力(li)(li)和減壓(ya)力(li)(li)交互(hu)性的(de)(de)(de)(de)高頻(pin)變換方式向(xiang)(xiang)液(ye)(ye)(ye)體(ti)進(jin)(jin)行透射。在(zai)減壓(ya)力(li)(li)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)時(shi),液(ye)(ye)(ye)體(ti)中(zhong)產(chan)(chan)(chan)生(sheng)真空(kong)核(he)(he)群(qun)(qun)泡(pao)的(de)(de)(de)(de)現象,在(zai)壓(ya)縮力(li)(li)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)時(shi),真空(kong)核(he)(he)群(qun)(qun)泡(pao)受壓(ya)力(li)(li)壓(ya)碎時(shi)產(chan)(chan)(chan)生(sheng)強(qiang)大的(de)(de)(de)(de)沖擊(ji)(ji)力(li)(li),由(you)此剝(bo)離被(bei)(bei)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)物(wu)(wu)表(biao)面(mian)的(de)(de)(de)(de)污(wu)垢(gou),從而達到精密洗(xi)(xi)(xi)(xi)凈(jing)目(mu)的(de)(de)(de)(de)。 在(zai)超(chao)(chao)聲(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)過程中(zhong),肉眼能(neng)看見的(de)(de)(de)(de)泡(pao)并不是(shi)(shi)真空(kong)核(he)(he)群(qun)(qun)泡(pao),而是(shi)(shi)空(kong)氣(qi)氣(qi)泡(pao),它對(dui)空(kong)化(hua)(hua)(hua)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)產(chan)(chan)(chan)生(sheng)抑制作(zuo)(zuo)(zuo)用(yong)(yong)(yong)降低清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)效率。只有液(ye)(ye)(ye)體(ti)中(zhong)的(de)(de)(de)(de)空(kong)氣(qi)氣(qi)泡(pao)被(bei)(bei)完全脫走,空(kong)化(hua)(hua)(hua)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)的(de)(de)(de)(de)真空(kong)核(he)(he)群(qun)(qun)泡(pao)才能(neng)達到最佳(jia)效果。 (2)直進(jin)(jin)流(liu)作(zuo)(zuo)(zuo)用(yong)(yong)(yong):超(chao)(chao)聲(sheng)(sheng)波(bo)在(zai)液(ye)(ye)(ye)體(ti)中(zhong)沿聲(sheng)(sheng)的(de)(de)(de)(de)傳播(bo)方向(xiang)(xiang)產(chan)(chan)(chan)生(sheng)流(liu)動的(de)(de)(de)(de)現象稱為(wei)直進(jin)(jin)流(liu)。聲(sheng)(sheng)波(bo)強(qiang)度(du)(du)在(zai)0.5W/cm2時(shi),肉眼能(neng)看到直進(jin)(jin)流(liu),垂(chui)直于(yu)振動面(mian)產(chan)(chan)(chan)生(sheng)流(liu)動,流(liu)速約為(wei)10cm/s。通過此直進(jin)(jin)流(liu)使被(bei)(bei)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)物(wu)(wu)表(biao)面(mian)的(de)(de)(de)(de)微油污(wu)垢(gou)被(bei)(bei)攪拌(ban),污(wu)垢(gou)表(biao)面(mian)的(de)(de)(de)(de)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)液(ye)(ye)(ye)也產(chan)(chan)(chan)生(sheng)對(dui)流(liu),溶(rong)解污(wu)物(wu)(wu)的(de)(de)(de)(de)溶(rong)解液(ye)(ye)(ye)與新液(ye)(ye)(ye)混合,使溶(rong)解速度(du)(du)加快,對(dui)污(wu)物(wu)(wu)的(de)(de)(de)(de)搬運(yun)起著很大的(de)(de)(de)(de)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)。 (3)加速度(du)(du):液(ye)(ye)(ye)體(ti)粒子推(tui)動產(chan)(chan)(chan)生(sheng)的(de)(de)(de)(de)加速度(du)(du)。對(dui)于(yu)頻(pin)率較高的(de)(de)(de)(de)超(chao)(chao)聲(sheng)(sheng)波(bo)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)機(ji),空(kong)化(hua)(hua)(hua)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)就(jiu)(jiu)很不顯(xian)著了,這時(shi)的(de)(de)(de)(de)清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)主要靠液(ye)(ye)(ye)體(ti)粒子超(chao)(chao)聲(sheng)(sheng)作(zuo)(zuo)(zuo)用(yong)(yong)(yong)下的(de)(de)(de)(de)加速度(du)(du)撞擊(ji)(ji)粒子對(dui)污(wu)物(wu)(wu)進(jin)(jin)行超(chao)(chao)精密清(qing)(qing)(qing)洗(xi)(xi)(xi)(xi)。
發布時間(jian):
2020
-
02
-
26
瀏覽次數:112