Significant extension of maintenance intervals is possible with all-welded plate heat exchangers that do not use gaskets, which have been pointed out to have the potential for deterioration due to amine solutions!
We will introduce a case study of CO2 capture in a CCS plant. The amine solution used in CCS plants, which aim to capture and store carbon dioxide, has poor compatibility with rubber and is used at high temperatures, leading to rapid deterioration of the gaskets in plate heat exchangers. Therefore, we have replaced the rubber gaskets, which are prone to degradation due to the amine solution, with "XP plates." By switching to fully welded heat exchangers, we can significantly extend maintenance intervals. **Advantages of Fully Welded Plates:** - Significantly more compact compared to tube-type exchangers - Does not use gaskets that are susceptible to degradation from amines - Simple flow path with no constrictions at the fluid inlets and outlets - High flow rate design can be achieved, reducing fouling - In case of fouling, on-site chemical cleaning is possible *For more details, please refer to the PDF document or feel free to contact us.*
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【Limitations of Dedicated Gasket Plates】 ■ Amin solution has poor compatibility with rubber and is used at high temperatures, leading to rapid deterioration of the gaskets in plate heat exchangers. ■ Even with new gaskets that have improved liquid resistance and heat resistance, regular gasket replacement for the large heat exchangers, which are the core components, cannot be avoided. *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Our company is engaged in the development of technology for "ocean thermal energy conversion," which can be considered the ultimate renewable energy. The technologies we have cultivated over many years are not only aimed at realizing ocean thermal energy conversion but are also used for generating electricity from relatively low-temperature industrial waste heat produced by factories, as well as geothermal heat from hot springs. Furthermore, they are utilized as heat exchangers for various industrial applications beyond power generation. The core of our technology lies in process engineering related to the temperature difference power generation system and the design and manufacturing of heat exchangers, which are the most critical equipment that constitutes this system. The heat exchanger we have independently developed for the practical application of ocean thermal energy conversion, the XP plate, is a plate-type heat exchanger with a fully welded structure that is entirely different from conventional products. It has obtained numerous patents along with its outstanding manufacturing technology. With its simple and direct flow path, the XP plate has garnered attention as a compact device that efficiently recovers thermal energy from fluids that tend to clog and contain solids, which have previously been abandoned, as well as from gases that need to flow at high volumes and speeds.