Application of Titanium and Titanium Steel Composite Plate in Vacuum Salt Making

Since the discovery of elemental titanium at the end of the eighteenth century, with the continuous research and practice of titanium’s performance, smelting, industrial production, processing and manufacturing, it was widely used in foreign industrial fields at the end of the fifties of this century and became an emerging A promising metal material. It is considered to be the fourth metal after copper, iron and aluminum, which are widely used by human beings. Because titanium and its alloys have excellent corrosion resistance, good comprehensive mechanical properties, high specific strength, little wettability to liquids, and are resistant to fluid erosion, they are gradually getting more and more widely used in military and civil industries . my country is one of the countries with the richest titanium resources in the world, which provides a broad and good prospect for the application of titanium.
Titanium was first used in the military industry in my country, and was gradually used in the civil industry sector in the 1970s. Due to the large-scale vacuum salt production started late in the salt industry, it did not reach its climax until the early 1970s. With the continuous construction and production of vacuum salt manufacturers, the severe corrosion of high-temperature concentrated salt brine on the carbon steel equipment for vacuum salt production directly affects the performance of the equipment and the normal operation of production. Corrosion causes frequent maintenance of equipment, and a large amount of run-off and dripping has become an urgent production key and technical issue. The correct selection of corrosion-resistant materials suitable for the salt industry is also urgently on the agenda.
Tests have proved that due to the smooth titanium surface and corrosion resistance, it has a good effect on preventing salt scaling on the evaporation tank wall and prolonging the tank washing cycle.
Titanium and titanium alloys have good corrosion resistance in black halogen vacuum salt media. In the design of the vacuum salt production project, the titanium steel composite plate structure was used for the first time in the evaporator Ⅱ, Ⅲ, and Ⅳ effect evaporation chambers. The heat exchange tubes have been used well, and the scaling phenomenon in the tubes has also been significantly reduced. After years of operation, it has been proved that the evaporation chamber made of titanium steel composite board has a good effect on reducing corrosion and salt scale, prolonging the production cycle and improving the salt quality. The vacuum salt industry has become one of the major households using titanium and titanium steel composite panels.

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