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Titanium refrigeration condenser in metallurgical equipment applications
In the metallurgical industry, titanium equipment can extend the service life of equipment, increase labor productivity, improve product quality, shorten equipment maintenance cycles, save maintenance costs, reduce environmental pollution, simplify equipment, facilitate operation, and enhance the mechanization and automation of processes. Titanium is mainly used in wet metallurgical equipment for non-ferrous metals. The wet metallurgical process generally involves dissolving ore materials with acids, bases, and various chemical solvents under certain temperatures and pressures. The equipment used (such as leaching tanks, autoclaves, stirring devices, filter screen plates, pumps, valves, pipelines in the filtration process, electrolytic plates, heat exchangers, exhaust fans, dust collection equipment, and flue ducts in the electrolysis process), all need to be in prolonged contact with acids, bases, chemicals, and various corrosive gases and dust, thus being prone to corrosion and mechanical wear at certain temperatures. Therefore, these equipment often use stainless steel or acid-resistant enamel, lead plates, rubber lining and acid-resistant coating materials. Before the use of titanium materials, the equipment was severely corroded, accidents were frequent, and the leakage of solution and gas was serious, resulting in significant metal loss, high costs, poor working conditions, and a decline in product quality.
Titanium refrigeration condensers have the following advantages in the metallurgical industry.
① Improve corrosion resistance and service life. Titanium has good corrosion resistance to seawater and ammonia in steam, thus having a long service life. Titanium is superior to copper alloys, and the service life of titanium refrigeration tubes can reach 20 years.
② Excellent heat exchange performance. Titanium's excellent corrosion resistance enables titanium tubes to be much thinner than copper tubes. Although the thermal conductivity of titanium is lower than that of copper, the heat exchange capacity can be increased by 3%.
③ No need for leak-proof auxiliary equipment. After using titanium condenser tubes, the leakage rate is significantly reduced, saving processing time and funds.
④ Can increase the flow speed of cooling water. Due to the good corrosion resistance of titanium, sediment and dirt are less likely to adhere to the surface of titanium, which helps to increase the flow speed of water.
⑤ Save power. Due to the thinner titanium tubes compared to copper tubes, when the outer diameter is the same, the inner diameter of titanium tubes is larger, which can save the power of pumps.
⑥ The use of titanium refrigeration condensers can improve the operation rate and safety of atomic energy power stations.
Titanium is used in metallurgical industry equipment for electrolytic cathode plates, heaters, coolers, reactors, cathode rollers, high-pressure reactors for molybdenum smelting, turbulent cooling towers for copper ores, dust collectors in coking plants, and pumps, valves, fans, pipelines, etc. In addition, the electrolysis of manganese dioxide raw materials for dry batteries also uses titanium anodes. Practice has shown that the application of titanium materials in these fields is feasible in production, technologically advanced, and has significant economic benefits.