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新一代led真正做到無汞嗎?

閱讀次數:[2597] 發(fa)布時間:2017-11-23

           據最新消(xiao)息,為貫徹(che)落(luo)實(shi)國務院《節(jie)能(neng)減(jian)排(pai)“十二(er)五”規劃(hua)》和《重金屬污染綜合(he)防(fang)治“十二(er)五”規劃(hua)》,降低(di)熒光(guang)燈(deng)產(chan)(chan)品(pin)(pin)含(han)(han)汞(gong)量,工信部組織編制(zhi)了《中國逐步降低(di)熒光(guang)燈(deng)含(han)(han)汞(gong)量路(lu)線(xian)圖》征求意(yi)見稿。路(lu)線(xian)圖提出,圍繞熒光(guang)燈(deng)產(chan)(chan)品(pin)(pin)及其制(zhi)造過程(cheng)低(di)汞(gong)化目(mu)標,以減(jian)汞(gong)技(ji)術創新為基礎,淘汰落(luo)后生(sheng)(sheng)產(chan)(chan)工藝與(yu)推廣應用先進低(di)汞(gong)技(ji)術相結合(he),分階段逐步降低(di)熒光(guang)燈(deng)gesep.com產(chan)(chan)品(pin)(pin)含(han)(han)汞(gong)量。到(dao)2013年(nian)12月(yue)31日,淘汰緊(jin)湊(cou)型熒光(guang)燈(deng)液汞(gong)生(sheng)(sheng)產(chan)(chan)工藝;至2014年(nian)12月(yue)31日,全面淘汰液汞(gong)生(sheng)(sheng)產(chan)(chan)工藝。預期到(dao)2014年(nian),通過淘汰液汞(gong)工藝,生(sheng)(sheng)產(chan)(chan)過程(cheng)中汞(gong)排(pai)放量比2010年(nian)減(jian)少(shao)約20噸(dun)。

  工信部提出的路線圖整體圍繞熒光燈減汞。面對節能減排的巨大壓力、綠色發展的模式,減少汞含量勢在必行。但小編認為,與其挖掘創新工藝減少汞含量,不如把焦點更多放在無汞的UVLED光(guang)源照明上。

  據估算,2011年全行業用汞(gong)(gong)(gong)(gong)量約(yue)為(wei)(wei)57噸,其中(zhong)(zhong)保(bao)留(liu)在(zai)產(chan)品(pin)中(zhong)(zhong)的(de)(de)汞(gong)(gong)(gong)(gong)量約(yue)為(wei)(wei)40噸,生產(chan)過(guo)程中(zhong)(zhong)排放的(de)(de)汞(gong)(gong)(gong)(gong)量約(yue)為(wei)(wei)17噸。對(dui)熒光燈來說(shuo),且不說(shuo)減少(shao)液(ye)(ye)態(tai)汞(gong)(gong)(gong)(gong)會改善多少(shao)環(huan)保(bao)效(xiao)力,即便是淘汰掉全部(bu)的(de)(de)液(ye)(ye)汞(gong)(gong)(gong)(gong)工藝(yi)(yi),變成注(zhu)入固態(tai)汞(gong)(gong)(gong)(gong)工藝(yi)(yi)后(hou)有可能(neng)在(zai)工藝(yi)(yi)中(zhong)(zhong)能(neng)把握好(hao)注(zhu)入的(de)(de)分(fen)量,先不論(lun)增加了成本,單(dan)從(cong)汞(gong)(gong)(gong)(gong)的(de)(de)熔(rong)點只(zhi)有-38.87℃來說(shuo),放置在(zai)常溫下的(de)(de)熒光燈中(zhong)(zhong)的(de)(de)汞(gong)(gong)(gong)(gong)仍然是以液(ye)(ye)態(tai)存在(zai),燈具(ju)中(zhong)(zhong)的(de)(de)汞(gong)(gong)(gong)(gong)同樣面(mian)臨回收困難、汞(gong)(gong)(gong)(gong)污染等問題,創新并沒有解決根本的(de)(de)問題。所以,與其說(shuo)減少(shao)一些汞(gong)(gong)(gong)(gong)含(han)量不如(ru)做到真正的(de)(de)無汞(gong)(gong)(gong)(gong)照明(ming)。今年7月,聯合國環(huan)境規劃署節能(neng)環(huan)保(bao)召集的(de)(de)政(zheng)府間(jian)談判委員(yuan)會第(di)四次會議召開,牙(ya)買加、日本等國代表(biao)提(ti)出了含(han)汞(gong)(gong)(gong)(gong)電光源(yuan)產(chan)品(pin)的(de)(de)淘汰名(ming)單(dan)。

  同樣是照明燈具,UVLED光源以其自身節能、高壽命等特點足以勝過熒光燈,更重要的是LED燈完全不用注入汞,對環境來說可以減少很大的負擔,符合環保理念,還能繞開國際公約汞文書,有利于出口貿易談判。在綠色發展蕩滌全球的今天,縱觀中國的發展,節能環保、綠色發展也將駛入快車道,對照明行業來說,淘汰白熾燈已成定局,而普通節能燈因為汞含量問題有繞不開的環境壁壘,LED新一代照明才是未來照明燈具的首選。