Views: 0 Author: Site Editor Publish Time: 2021-11-22 Origin: Site
Hot galvanized interlock pipe is widely used in construction, machinery, coal mine, chemical industry, electric power, railway vehicles, automobile industry, highway, bridge, container, sports facilities, agricultural machinery, petroleum machinery, prospecting machinery, and other manufacturing industries. The galvanized interlock pipe has welded steel pipes with hot-dip plating or electro-galvanization on the surface. Galvanizing can increase the corrosion resistance of the steel pipe and prolong the service life. Next, let me tell you about the particularity and development of galvanized interlock pipes. Here are some answers.
Here is the content list:
l The particularity of electroplating equipment of galvanized interlock pipe.
l The reason for the slow development of hot galvanized interlock pipes.
The electroplated copper wire of galvanized interlock pipe is the same as continuous electroplating, but the plating equipment is different. The plating tank designed for the iron wire with its slender strip features is long and wide but shallow. During electroplating, the iron wire penetrates through the hole and spreads out on the liquid surface in a straight line, keeping the distance between each other. However, the galvanized interlock pipe is different from the iron wire. It has its unique features. The groove equipment is more complicated. The tank body is composed of upper and lower parts. The upper part is a plating tank, and the lower part is a solution circulation storage tank, forming a trapezoid-like tank with a narrow upper and a wide bottom. A galvanized interlock pipe is provided in the plating tank for the electroplating operation. There are two through holes at the bottom of the tank communicating with the lower storage tank and forming a plating solution recycling system with the submerged pump. Therefore, the galvanized interlock pipe is the same as the iron wire electroplating, the plating parts are dynamic and different from the iron wire electroplating, the electroplating solution of the galvanized interlock pipe is also dynamic.
After the development of the hot galvanized interlock pipe from the 1960s to the 1970s, the product quality has been greatly improved. From 1981 to 1989, it was continuously rated as a high-quality product by the Ministry of Metallurgy and the National Silver Award. The output has also increased for many years. In 1993, the output was more than 400,000 tons, and in 1999 it was more than 600,000 tons. The products are exported to Southeast Asia, Africa, and the United States, Japan, Germany, and other countries and regions. The hot galvanized interlock pipe is mostly used as a water pipe and gas pipe, and the common specifications are +12.5 to +102 mm. Since the 1990s, due to the country’s emphasis on environmental protection, the control of high-pollution enterprises has become more and more stringent. The "three wastes" generated by hot galvanized interlock pipes are difficult to solve, plus stainless steel welded pipes, PVC pipes, and composite pipes. The country's promotion of the application of chemical building materials and the restriction of the use of galvanized interlock pipe have greatly restricted and restricted the development of the hot galvanized interlock pipe. The hot galvanized interlock pipe developed slowly later.
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