Published 14 September 2024
Duplex stainless steel application: large duplex stainless steel high pressure heat exchanger
Duplex stainless steel was developed because strong acids and alkalis in petrochemicals produce local pitting, stress corrosion and cavitation corrosion, and ordinary stainless steel is not competent. Because duplex stainless steel has very strong corrosion resistance, high strength and toughness, it is now widely used in civil engineering and energy transportation, such as aircraft, ships, automobiles and chemical materials in coastal areas. Large duplex stainless steel high-pressure heat exchanger Among them, the oil and gas industry is one of the main areas of foreign duplex stainless steel, and it is less used in China. The oil refining industry first used domestic duplex stainless steel, mostly used in the top lining (or composite plate) of the atmospheric and vacuum distillation tower, tower internals, air coolers and water coolers, etc. The longest has been used for 20 years. Zhenhai Refining and Chemical Company is the largest oil refining base in my country, with a processing capacity of 16 million tons, and is one of the top 100 in the world. The material used for many sets of equipment in the condensation cooling system is duplex stainless steel. This field has a wide range, complex working conditions, and a variety of environmental media....
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