Because of its excellent corrosion resistance, mechanical properties and technological properties, titanium bars are widely used in all walks of life. In chemical production, titanium instead of stainless steel, nickel-based alloy and other rare metals as corrosion resistant materials, which is of great significance to increase output, improve product quality, prolong the service life of equipment, reduce consumption, reduce energy consumption, reduce costs, prevent pollution, improve working conditions and improve productivity. In recent years, the range of titanium materials used in chemical industry has been expanding and its use is increasing year by year. Titanium has become one of the main anti-corrosion materials in chemical equipment. As a kind of corrosion resistant structural material used in chemical equipment, titanium rod has established its position, and as an ideal material in chemical equipment, titanium rods are also attracting more and more attention from technical personnel.

1. Chlor-alkali industry

Chlor-alkali industry is an important basic raw material industry, and its production and development have great influence on national economy. This is because the corrosion resistance of titanium to chloride ions is better than that of stainless steel and other non-ferrous metals. At present, titanium is widely used in the chlor-alkali industry to manufacture metal anode electrolyzer, ion membrane electrolyzer, wet chlorine cooler, refined brine preheater, dechlorination tower, chlorine cooling scrubber and so on. The main parts of these equipment used to use non-metallic materials (such as graphite, polyvinyl chloride, etc.), because the mechanical properties, thermal stability and processing performance of non-metallic materials are not ideal, resulting in coarse equipment, high energy consumption, short life, and affect product quality and pollution of the environment.

B. Soda ash industry

Soda ash is one of the basic chemical raw materials, which is directly related to the development of national economy. In the process of soda ash production, the gas medium is mostly NH3 and CO2, while the liquid medium is mostly NaC1 and NH4C1.

The solution of NH4HCO3 and C1- with higher concentration, the carbonation tower tubular using carbon drink and cast iron material for carbonation reaction, the hot mother liquid cooler, cooler, crystallizing external cooler and other main equipment are not corrosion resistant, corrosion leakage is serious, and the service life is not more than three years.