CCR PLATFORMING PDF

Welding standards AWS D During the fan fabrication process, we design, construct and test to the highest quality. Welding requirements meet the stringent AWS D The manufacturing process is initiated by a testing and traceability procedure used to check the quality of the alloy rich materials used to fabricate your fans for conventional and high pressure catalyst regeneration process fans. Throughout the process, controlled audit procedures monitor the efficiency of our operation. Garden City Fans are designed with quality and total cost of ownership in mind; and with service centers around the world, we remain committed to provide the parts and service our customers need to mitigate downtime.

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Welding standards AWS D During the fan fabrication process, we design, construct and test to the highest quality. Welding requirements meet the stringent AWS D The manufacturing process is initiated by a testing and traceability procedure used to check the quality of the alloy rich materials used to fabricate your fans for conventional and high pressure catalyst regeneration process fans.

Throughout the process, controlled audit procedures monitor the efficiency of our operation. Garden City Fans are designed with quality and total cost of ownership in mind; and with service centers around the world, we remain committed to provide the parts and service our customers need to mitigate downtime.

Fans for this process are manufactured for lasting performance due to their purposeful design with rigid double walls, and filled with high density insulation.

This unique, double wall insulated housing acts to reduce heat loss while adding personnel protection. Standard fan features include a custom fabricated monoblock bearing assembly, nitrogen purged Shaft Seal, and custom designed fan wheels with a focus on efficiency and reliability.

Various bearing lubrication methods are available for the monoblock bearing assembly including static oil, forced lubrication, or oil mist lubrication. Temperature and vibration monitoring equipment is also available to provide long term protection and reliability for the monoblock bearing assembly. High pressure catalyst regeneration fans are very stable, typically with a minimum of 12mm thick casing, bracing on mm centers, rigid sub-base mounting, tight anchors on the inlet, and anvils in the housing to resist forces.

Every fan we manufacture for high pressure catalyst regeneration is built and tested to withstand psi kPa hydrostatic pressure. Quality and performance is in our DNA Howden Garden City Fans was one of the first manufacturers to develop a product for the platforming process and has been a global market leader for over 40 years. Quality through engineering Our catalyst regeneration process AMCA test laboratory continually conducts performance tests, sound measurement, and stress analysis to meet our current needs, as well as developing future products.

Every Garden City high temperature fan supplied by Howden is thoroughly inspected and tested. This quality assurance is integral to our leadership in the industry. The Quality Assurance team works independently from our manufacturing group to ensure autonomy. Non-Destructive Test NDT procedures such as magnetic particle, liquid dye penetrant, radiograph, and ultrasonic testing are used to ensure the quality of the welds.

Garden City Fans Our fans have set the standard in high temperature applications. Our engineering staff has many years of fan experience, as well as a thorough knowledge of materials and stress analysis to select the correct product for each application.

As a charter member of AMCA, Howden has contributed to setting many of the standards used throughout the industry today. We have worked with many OEMs and research groups to design new equipment on the leading edge of energy research, oil refining, and other products and processes to meet the needs of the industry in the future.

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Catalytic reforming

Some refineries may also desulfurize and catalytically reform those naphthas. However, for the most part, catalytic reforming is mainly used on the straight-run heavy naphthas, such as those in the above table, derived from the distillation of crude oils. The reaction chemistry[ edit ] There are many chemical reactions that occur in the catalytic reforming process, all of which occur in the presence of a catalyst and a high partial pressure of hydrogen. Therefore, the naphtha feedstock to a catalytic reformer is always pre-processed in a hydrodesulfurization unit which removes both the sulfur and the nitrogen compounds. Most catalysts require both sulphur and nitrogen content to be lower than 1 ppm.

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