In a major milestone for China's chemical equipment manufacturing industry, Shandong Boyu Heavy Industry has successfully fabricated and delivered a 58-meter-high tower vessel for Xuyang Tianchen’s 300,000 tons/year hexamethylenediamine (HMD) project. This ultra-large equipment delivery marks a new breakthrough in high-end tower manufacturing and further supports the rapid development of China’s nylon industrial chain.

​Spiral Plate Heat Exchangers (SPHE) are highly efficient and compact heat transfer devices widely used in industries such as chemical processing, petroleum, energy, food, and environmental protection.
They are designed in various configurations to accommodate different flow patterns, cleaning requirements, and pressure levels—commonly referred to as Type I, Type II, and Type III, as well as structural models like B-type and T-type.
This article provides a comprehensive explanation of SPHE models and technical parameters to support proper selection and application in engineering projects.

Finned tubes are heat transfer elements designed to increase the surface area of a tube, significantly enhancing heat exchange between fluids. Widely used in boilers, air heaters, condensers, oil coolers, and heat exchangers, these tubes play a vital role in energy efficiency.
Certificates: ASME, CE, GB, ISO, GOST

In flue gas treatment and wet desulfurization systems of power plants, corrosion-resistant and wear-resistant piping materials are key to ensuring long-term, stable operation. Enamel coated pipes have become an ideal material for this purpose, offering outstanding corrosion resistance and mechanical properties. These pipes are widely used in power plants, environmental protection projects, and other fields, particularly in wet desulfurization (FGD) systems and flue gas heat recovery (GGH) systems, where they exhibit significant advantages.

In coastal power plants, spiral plate heat exchangers are widely used due to their superior heat transfer performance and compact structure. However, the presence of high salinity, humidity, and mineral content in seawater accelerates both corrosion and scaling issues, posing significant challenges for the long-term efficiency of heat exchangers. Effectively addressing these scaling problems is essential to ensuring the continuous high performance of the spiral plate heat exchangers.