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人們跟著日子水平的前進(jìn)，通風(fēng)設(shè)備變成了修建、企業(yè)等各個(gè)領(lǐng)域不可短少的一部分，也是社會(huì)的新向標(biāo)。通風(fēng)設(shè)備的配件之一風(fēng)管；風(fēng)管風(fēng)角鐵法蘭風(fēng)管、共板法蘭風(fēng)管，他們依據(jù)質(zhì)料又分為好多種，一般常用的便是鍍鋅白鐵皮風(fēng)管，不銹鋼風(fēng)管；中不銹鋼風(fēng)管在運(yùn)用進(jìn)程中不免有保養(yǎng)不妥的時(shí)分；所以會(huì)長(zhǎng)一些銹：

As people keep pace with the progress of the times, ventilation equipment has become an indispensable part of various fields such as construction and enterprises, and it is also a new direction of society. One of the accessories of ventilation equipment is the air duct; Air duct angle iron flange air duct and common plate flange air duct are divided into several types based on the material. The commonly used ones are galvanized white iron sheet air duct and stainless steel air duct; During the use of medium stainless steel air ducts, there may be times of improper maintenance; So there will be some rust:

1、首要除掉外表各種可見污物，然后用溶劑或清洗劑除油。

1. Firstly, remove all visible dirt on the surface, and then use solvents or cleaning agents to remove oil.

2、用鎢鋼鏟刀鏟去大面積銹蝕。

2. Use a tungsten steel shovel to remove large areas of rust.

3、用刮刀和鋼絲刷除掉邊角部位銹蝕。

3. Use a scraper and wire brush to remove rust from the edges and corners.

4、用銼除掉焊渣等杰出物和各種毛刺。

4. Use a file to remove outstanding objects such as welding slag and various burrs.

5、用砂布和鋼絲刷進(jìn)行收拾。

5. Clean up with sandcloth and wire brush.

6、用潔凈抹布，也可用抹布沾取溶劑進(jìn)行清潔并及時(shí)涂裝底漆。

6. Use a clean cloth, or use a cloth dipped in solvent to clean and apply primer in a timely manner.

7、留神關(guān)于沒有失效的耐性涂膜，可予以保存，并用砂布打毛舊漆外表，將涂膜殘缺處打磨成斧型，清潔后直接涂漆。

7. Pay attention to the durable coating that has not failed. It can be preserved and the old paint surface can be roughened with sandcloth. The damaged parts of the coating should be polished into an axe shape, and then painted directly after cleaning.

還有一種簡(jiǎn)略的辦法便是將法蘭浸入鹽酸中，原理是把銹還原成鐵了，但此法有危險(xiǎn)性，鹽酸是腐蝕性物質(zhì)，對(duì)人體有害，操作時(shí)要留神不要沾到人體上，還有弄好的法蘭再用堿中和一下，不要直接沾手。

Another simple method is to immerse the flange in hydrochloric acid. The principle is to reduce rust to iron, but this method is dangerous. Hydrochloric acid is a corrosive substance that is harmful to the human body. When operating, be careful not to touch the human body. Also, neutralize the finished flange with alkali and do not touch it directly.