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ADVANCED ENGINEERING & DESIGN Belman is experienced in working with complex specifications and preparing highly advanced technical Expansion Joint solutions. Belman designs and manufactures FCCU Expansion Joints according to customer requests and needs. As part of our service we provide: • 3D parametric design and modelling • Finite Element Analysis (FEA) • Pipe stress analysis of the complete pipe system with the FCCU Expansion Joint • Pipeline engineering (Rohr2) • Pipeline and part simulation (Rohr2) • and much more In the engineering phase we design the solution to meet the specified require- ments and the challenges of the project such as maximum stresses on the nozzles, limited space, issues with pipe support systems etc. Specifications Belman is experienced in working with the various specifications demanded by clients, different FCC Technology Providers and licensors engaged in the global refining industry such as Axens, KBR, Shell, ExxonMobil, UOP and many more. We also advise clients concerning design enhancements in order to improve the originally specified solution. Design codes Belman is experienced with many different design codes and among others design FCC according to: • ASME VIII • ASME B31.3 • EJMA • EN 13445 • EN 14917 • EN 13480 • AD 2000 Belman provides you: • Competitive quotations • All details on the design in an early stage incl. specifications and drawings on the Expansion Joint/-s. • Fast quotation process • Full support and advice on solutions and issues • Piping engineering such as pipeline versus Expansion Joint
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TYPES & DESIGN Belman Expansion Joints for Fluid Catalytic Cracking Units are always designed according to client specifica- tions and requests and of course are based on the selected standards or specifications from clients. Generally speaking Belman Expansion Joints for FCC can be divided into 3 main categories: Cold wall These Expansion Joints are designed with a refractory lining to ensure the outside wall temperature will not exceed the maximum. The wall is made from ordinary steel types. The lining is placed on the inside of the Expansion Joint. Due to the critical application very few companies possess the required know-how to carry out refractory work and Belman cooperates only with the most qualified and experienced providers. In addition only a few raw materials for the refractory are approved for this critical purpose. This makes us very selective in both the choice of cooperative partners/sub suppliers and materials. Hot wall These Expansion Joins are designed with the refractory lining on the inside as a thermal barrier. This predisposes an abrasion resistant lining, consisting of hex-mesh and castable refractory materials. The purpose of this lining is to withstand abrasion from the catalyst flow medium, but thermal impact due to high temperatures normally requires the wall to be made from high temperature stainless or carbon steels. Unlined These Expansion Joints are designed in the same format as the hot wall Expansion Joints but without the hex mesh and refractory lining. The wall is made from high temperature steels in order to resist the abrasive media and corrosion. Soft insulation materials (typically ceramic wool) is placed on top with the addition of a wall/cover. Although these Expansion Joints are also exposed to the very high tempera- tures, they do not carry catalyst in the media and this type is insulated on the outside with ceramic wool with steel covers mounted on top. Normally these are installed in the air inlet/outlet or in the transfer of gasses from the reactor. With the exception of a lining, the unlined Expansion Joints are very similar to the other types, as they operate under very similar severe working conditions. The shell is often made from highly alloyed materials.
