Often said Ji'nan galvanized pipe is now mainly used for transporting gas and heating. Galvanized pipe as a pipe, after a few years, the pipe produces a lot of rust, the effluent from the yellow water not only pollutes the sanitary ware, but also contains the bacteria which are not smooth inside the inner wall. The corrosion causes the heavy metal content in the water and seriously endangering the health of the human body. Galvanized steel pipes are two kinds of hot dip galvanizing and galvanizing, hot dip galvanizing, thick zinc plating, low cost of galvanizing, and the surface is not very smooth.
In order to prevent corrosion, some of them need effective aluminizing. Now the iron pipe of gas and heating is also galvanized pipe, and galvanized pipe is used as water pipe. After several years, a large amount of rust is produced in the tube. The effluent from yellow water not only pollutes the sanitary ware, but also is mixed with the bacteria which are not smooth inside the inner wall. The corrosion causes the heavy metal content in the water, and the severe weight endangers the health of the human body.
The galvanized pipe in Ji'nan makes the molten metal react with the iron matrix to form the alloy layer, so that the matrix and the two layer coating are combined. The hot dip galvanizing is first pickled the steel tube, then removing the iron oxide on the surface of the steel tube, then pickling it, then cleaning it with ammonium chloride or zinc chloride solution or ammonium chloride and zinc chloride mixed in the water bath, and then putting them in the hot water trough. Hot dip galvanizing has the advantages of uniform coating, strong adhesion and long service life.
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