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防火桥架和镀锌桥架的区别在哪里?

电缆桥架的分类中有防火桥架和镀锌桥架两大类,他们两者有很的区别,在用途方面也有很大不同。下面我们就看一下他们的主要应用吧!
There are two kinds of cable bridge, fire-proof bridge and galvanized bridge. They are very different and have very different uses. Let's take a look at their main applications.
1、防火桥架适用于10KV以下电力电缆,以及控制电缆、照明配线等室内室外架空电缆沟、隧道的敷设。
1. Fire-proof bridge is suitable for laying power cables below 10KV, control cables, lighting wiring and other indoor and outdoor overhead cable trenches and tunnels.
防火桥架主要由玻璃纤维加强资料、无机黏合剂复合的防火板,与金属骨架复合以及其他的防火基材组成,外层加防火涂料。防火桥架遇火后不会熄灭,从而阻隔火势蔓延。防火桥架具有极端良好的防火阻火效果,又具有耐火、耐油、耐腐蚀、、无污染,整体装置便当等特性。防火涂料有涂层薄、耐火极限高、粘接力强的特性。
Fire-proof bridge is mainly composed of glass fiber reinforced material, inorganic binder composite fire-proof board, metal skeleton composite and other fire-proof substrates, with fire-proof coating on the outer layer. Fire-proof bridge will not be extinguished after fire, thus preventing the spread of fire. Fire-proof bridge has extremely good fire-proof and fire-retardant effect, and has the characteristics of fire resistance, oil resistance, corrosion resistance, non-toxicity, pollution-free, convenient overall device and so on. Fire retardant coatings have the characteristics of thin coating, high fire resistance limit and strong adhesion.
2、镀锌桥架,主要应用在湿润、腐蚀性强环境下。依照消费工艺不同,分为热镀锌和电镀锌(即冷镀锌)两种。
2. Galvanized bridge, mainly used in wet, corrosive environment. According to different consumption processes, it can be divided into hot-dip galvanizing and electro-galvanizing (i.e. cold-dip galvanizing).
热镀锌的工艺过程:将钢件或铸件浸入熔融的锌液中在其外表构成锌 — 铁合金或锌和锌 — 铁合金掩盖层的工艺过程和办法。
电缆桥架
Hot-dip galvanizing process: The process and method of dipping steel or castings into molten zinc liquid to form zinc-iron alloy or zinc and zinc-iron alloy covering layer on its surface.
冷镀锌的工艺过程:将钢材外表化学清洗处置后放进电镀液中,电镀液含氧化锌。直流电一极接钢材,一极接放在电镀液中的锌板。通电后锌以分子状态置换到钢材外表。假如加光亮剂钝化,则表现彩云状光亮镀层。
Cold galvanizing process: After chemical cleaning and disposal of steel surface, it is put into the electroplating bath, which contains zinc oxide. Direct current is connected to steel at one pole and zinc sheet in electroplating bath at the other. After electrification, zinc is replaced by molecule to the surface of steel. If the brightener is added to passivate the coating, it will show cloudy bright coating.
应用在钢构造上的电镀锌普通防锈效果都不是很好,主要是镀锌量达不到,而且镀锌不平均,普通两三年就呈现生锈现象,质量差的暴露在湿润环境中十几天就生锈了。热镀锌镀层较厚,抗腐蚀才能较强。冷镀锌镀锌层较热镀光亮,但较薄,抗锈蚀才能较弱。
Common anti-rust effect of galvanizing applied to steel structure is not very good, mainly because the amount of galvanizing is not up to, and the galvanizing is uneven. Rust occurs in two or three years, and rust occurs in poor quality exposed to wet environment for more than ten days. Hot-dip galvanized coating is thicker, so corrosion resistance is stronger. Cold galvanized galvanized layer is brighter than hot galvanized layer, but thinner, corrosion resistance is weaker.
以上就是本期关于电缆桥架的内容了,想要了解更多的产品及更详细的精彩内容,请关注我们的网站:http://www.sdhangfeng.com您的惠顾是对我们很大的支持。
This is the content of this issue. For more products and more details, please pay attention to our official website: http://www.jncxwy.cn. Your patronage is a great support to us.
 
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