22 | Plant & Works Engineering www.pwemag.co.uk October/November 2024 Process, Controls & Plant Focus on: Compressed Air, Vacuum and Generators can later return to the site to conduct followup audits, ensuring that the measures taken yield the expected benefits. Many Rubix clients also opt to adopt condition monitoring solutions, collaborating closely with its reliability team to implement appropriate systems. This proactive approach ensures that issues are detected early, enabling swift interventions that minimise impacts on costs and environmental performance. Additionally, Rubix provides REHAB workshops - developed personally to support customers in the effective management of compressed air systems. These training sessions focus on straightforward, costeffective modifications to enhance performance, tailored to the specific needs of each customer. For instance, at Cereal Partners, it was demonstrated that a slight reduction in pressure did not negatively impact performance, but rather resulted in significant cost savings by reducing energy consumption and wear on machine components. A 1-bar reduction in pressure can lead to energy savings of up to 10%, showcasing the effectiveness of simple adjustments that incur no additional costs. Case study: Magna Exteriors Magna Exteriors, a manufacturer of lightweight structural components for the automotive industry, produces products such as exterior trim, fascias, and liftgates. The company recently identified air leaks in its operations and enlisted the help of Rubix to resolve this issue. “One area that required immediate attention was air leakage,” remarked Paul Howard, the Energy Improvement Co-Ordinator at Magna Exteriors. “We could hear them hissing. While air is free to breathe, it is one of the most expensive forms of energy when it comes to compression and pressurisation.” To tackle this challenge, expert engineers from Rubix conducted a comprehensive leak detection audit of Magna Exteriors’ compressed air systems. Utilising advanced ultrasonic technology, they analysed the machinery and provided a detailed photographic report highlighting any identified leakages. This report not only pinpointed the location and size of each leak but also outlined the associated costs. Equipped with this invaluable report, Magna’s maintenance team had a clear roadmap to address the leaks effectively. Additionally, Rubix recommended the installation of low-cost flow meters to monitor and measure air rates, ensuring ongoing, autonomous, and preventative maintenance. “They produced an exceptional, detailed report,” Paul continued. “It included photographs, descriptions of the size and nature of each leak, along with the financial implications. Furthermore, the report contained a list of the specific parts needed to rectify each issue, complete with costings.” Following the recommendations, Magna’s technicians used these reports to systematically address each leak, signing off on their completion as they progressed. Six months later, they repeated the audit and have continued to do so every six months since, enabling them to track and verify the success of this proactive approach. Ultimately, the audit led to a reduction in Magna Exteriors' energy consumption, with savings of up to one third for their compressors. By eliminating leaks, the company found they no longer needed three compressors in constant operation; they can now efficiently meet all operational demands with just two full-time compressors and a backup. In addition to this, Magna Exteriors has realised significant savings in maintenance costs for their compressors. Over the three years since Rubix conducted its survey and subsequent remedial work, the company has saved more than £130,000. “It has genuinely enhanced our energy efficiency,” Paul noted. “Moreover, it was a very cost-effective service that came with a refund guarantee if we didn’t achieve equivalent energy savings; needless to say, we exceeded those savings effortlessly.” For further information please visit https://solution.rubix.com Libby Peacock, a compressed air specialist at Rubix Certified Pump System Auditor Course 4 day course 18th - 21st November 2024 Classroom & hands on training Held at BPMA Oĸces West Bromwich B70 6PY For more informa琀on call 0121 601 6691, scan code for the training guide or email: training@bpma.org.uk Independent Pump Training from
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