熱浸鋅工藝

Hot dip galvanizing process

鋅具有杰出的耐腐蝕性，浸鋅作為一種獻(xiàn)身陽(yáng)極來(lái)維護(hù)陰極金屬的辦法，電纜橋架廠家取決于它的腐蝕鋅鍍層的阻力和腐蝕速度。熱浸鋅的鋅層厚度通常在6μm以上，鋅與鐵的結(jié)合面構(gòu)成一層鋅鐵合金，提高了鋅層的粘附性。

Zinc has excellent corrosion resistance. As a way to dedicate the anode to maintain the cathode metal, the cable tray manufacturer depends on the resistance and corrosion rate of its corrosive zinc coating. The zinc layer thickness of hot-dip galvanizing is usually 6 μ M above, the interface between zinc and iron forms a layer of zinc iron alloy, which improves the adhesion of the zinc layer.

電纜橋架廠家由于熱浸鋅具有杰出的耐腐蝕性、高功能和比，因而熱浸鋅鋼橋被廣泛運(yùn)用于國(guó)內(nèi)外。熱浸鋅不易變形等問(wèn)題，需要在電纜橋架的構(gòu)造上及浸鋅技術(shù)上加以思考。

The hot-dip galvanized steel bridge is widely used at home and abroad because of its outstanding corrosion resistance, high function and price ratio. Hot dip galvanizing is not easy to deform, which needs to be considered in the structure of cable tray and galvanizing technology.

電鍍鋅工藝

Galvanizing process

對(duì)于沒(méi)有特殊要求的電纜橋架來(lái)說(shuō)，電鍍鋅與熱浸鋅比較起來(lái)技術(shù)簡(jiǎn)單，本錢(qián)較低。電鍍鋅經(jīng)鈍化處理后能夠顯著地提高其防腐功能。電鍍鋅層通常在6μm左右，因而不適用于對(duì)耐腐蝕要求較高的場(chǎng)合。

For cable trays without special requirements, electro galvanizing and hot-dip galvanizing are simple in technology and low in cost. After passivation treatment, galvanizing can significantly improve its anti-corrosion function. The electro galvanized coating is usually at 6 μ M, so it is not suitable for occasions requiring high corrosion resistance.

電鍍鋅我國(guó)有頒布標(biāo)準(zhǔn)：如GB/T13912-2002、JT/T281-95、GB2694-81等。挑選電鍍層時(shí)，涂層厚度，涂層吸附力強(qiáng)，通過(guò)耐腐蝕實(shí)驗(yàn)，不同的訴求對(duì)于目標(biāo)的選擇也是不同的。我國(guó)現(xiàn)在生產(chǎn)鍍鋅橋架的廠家，在參考國(guó)標(biāo)時(shí)也不盡相同。

China has issued standards for electro galvanizing, such as gb/t13912-2002, jt/t281-95, gb2694-81, etc. When selecting electrodeposited coating, the coating thickness and coating adsorption are strong. Through the corrosion resistance test, different demands have different choices for the target. At present, the manufacturers of galvanized cable tray in China are not the same when referring to the national standard.

粉末噴涂工藝。

Powder spraying process.

山東橋架廠家提醒您，有用的材料通常是粉末涂料，聚酯粉末或防腐粉末，涂層厚度約60μm。靜電噴涂具有外形漂亮，抗化學(xué)腐蝕杰出的功能。但與金屬鍍層比較，粘附性低，耐臟性和耐磨損較差。遭受簡(jiǎn)單外部撞擊，可致使其局部涂層掉落，使得內(nèi)部鋼材腐蝕，形成大面積涂層起泡脫皮。

Shandong bridge manufacturer reminds you that the useful materials are usually powder coating, polyester powder or anti-corrosion powder, with a coating thickness of about 60 μ m。 Electrostatic spraying has beautiful appearance and outstanding chemical corrosion resistance. However, compared with metal coating, it has low adhesion, poor dirt resistance and wear resistance. A simple external impact may cause the local coating to fall, causing the internal steel to corrode and forming a large area of coating blistering and peeling.

涂防銹漆。

Apply antirust paint.

較大尺寸的構(gòu)件，由于鍍鋅設(shè)備條件所限，通常只能選用涂防銹漆的辦法來(lái)處理。這當(dāng)然具有本錢(qián)低，方便等優(yōu)勢(shì)，但防腐蝕性能較差。其工程短暫，為了確保工程質(zhì)量，通常不宜運(yùn)用。

Due to the limited conditions of galvanizing equipment, the components with large size can only be treated by coating antirust paint. This of course has the advantages of low cost and convenience, but the corrosion resistance is poor. The project is short, so it is usually not suitable for use in order to ensure the project quality.

其他無(wú)機(jī)涂料涂敷。

Application of other inorganic coatings.

AB-2型防火堵料為柔性防腐材料，遇火后碳化形成堅(jiān)固的阻火隔熱層。產(chǎn)品具有良好的可塑性和耐腐蝕、耐火、耐油等特性。AB-1型無(wú)機(jī)防火堵料是一種以無(wú)機(jī)防火材料為主的防火材料，粉狀適用于電力、石化、冶金、建筑等行業(yè)電纜橋架的涂敷。

Ab-2 type fireproof plugging material is a flexible anti-corrosion material, which is carbonized to form a solid fire resistance and insulation layer in case of fire. The product has good plasticity, corrosion resistance, fire resistance, oil resistance and other characteristics. AB-1 inorganic fireproof plugging material is a kind of fireproof material mainly composed of inorganic fireproof materials. The powder is suitable for the coating of cable trays in electric power, petrochemical, metallurgy, construction and other industries.

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