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太陽能路燈燈杆為什麽一定要用熱鍍鋅?

 

新聞來源:www.livingoprah.com 瀏覽:

 

由於太陽能路燈的燈杆須要合乎高分量的太陽能電池板,高扭力的風力,乃至有的工程須要將繁重的鋰電池安置在燈燈杆上,假如燈杆出了成績,那麽有可能形成燈杆的扭裂或許是斷裂乃至傷及財富跟職員。而熱鍍鋅可能有效地保障燈杆不受腐化,在長達25年的時光內保障了太陽能路燈燈杆的畸形強度,有效地維護了它所承載的各個部件。
 
現在太陽能路燈燈杆的防腐方法有以下三種:
 
1、熱鍍鋅防腐,當初太陽能路燈廠家抉擇最多的也是最好的鍍鋅方法。
 
2、冷鍍鋅,防腐才能跟熱鍍鋅比擬擬次一點。
 
3、噴漆,噴漆方法曾經很少人應用了,由於多少乎達不到室外的防腐才能。
 
熱鍍鋅維護燈杆不被腐化的道理是什麽呢煩忙學過化學的人都應當曉得“犧牲陽極”道理,鋅是比鐵活潑的金屬元素,當鋅-鐵構成的聯合物(鋅-鐵化合物)遭到腐蝕構成電極的時間,電子會向鐵轉移從而維護了鐵,就義了鋅元素。同時,鋅在氛圍中很輕易構成致密的氧化層,維護了鋅免受更深的氧化。在氛圍中,鋅構成致密氧化物,避免更深的氧化;在電解質中(雨水、海水、河水、酸堿腐蝕)鋅起到就義陽極感化,所以無論在哪種情形下,鋅都市維護鐵元素免受腐蝕。
 
Because the lamp poles of solar street lamps need to meet the high weight solar panels, high-torque wind power, and even some projects need to place heavy lithium batteries on the lamp poles. If the lamp poles are in trouble, It is possible to cause the lamp pole to crack or break or even injure property and personnel. Hot galvanizing can effectively ensure that the lamp poles are not corroded, and ensure the normal strength of the solar lamp poles for a period of up to 25 years, effectively protecting the various components it carries.
At present, there are three kinds of anti-corrosion methods for solar street lamp poles:
1, hot galvanizing corrosion, now solar street lamp manufacturers choose the most is also the best way to galvanize.
2, cold galvanizing, anti-corrosion ability compared with hot galvanizing the next point.
3, spray paint, spray paint has been used by very few people, because almost no outdoor anti-corrosion ability.
What is the principle of hot galvanized lamp pole protection from corrosion? Everyone who has studied chemistry should know the "sacrifice anode" principle. Zinc is an active metal element than iron. When the zinc-iron junction(zinc-iron compound) is eroded to form an electrode, Electrons transfer to iron to protect iron, sacrificing zinc. At the same time, zinc can easily form a dense oxide layer in the air, protecting zinc from deeper oxidation. In the air, zinc forms dense oxides that prevent deeper oxidation; In electrolytes(rainwater, seawater, river water, acid-base erosion) zinc acts at the expense of the anode, so in either case, zinc will protect the iron from erosion.

 

 

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