Kaishan USA | October 20, 2020 | Air Compressor Information
The terms “compressed air assessment” and “compressed air audit” are often used interchangeably when looking for ways to lower energy consumption. However, the reality is that while both are useful cost-saving opportunities, they have different purposes. To help you determine which service you need, we will explain what compressed air assessments and audits are, and what to expect from them. First, let us discuss why your compressed air system deserves a closer look.
According to the Department of Energy (DoE), compressed air generation may consume as much as 30% of all the electricity used in a factory. This makes it an obvious target for cost reduction efforts. The two dimensions to consider are:
Compressed air assessments and audits review both the supply and demand aspects of a system, but they can differ in depth of analysis and findings.
An assessment is a snapshot of the compressed air system at a particular moment. It involves visual inspection of the compressors and ancillary equipment to determine its type, age, condition, and suitability to the needs of the facility. The system layout, including factory piping, is reviewed and any problems or leaks are noted.
In all but the largest industrial facilities, a specialist can usually complete a compressed air assessment in a few hours. The outcome is a report on overall system condition along with suggestions for simple adjustments or changes to improve efficiency.
In contrast to an assessment, a compressed air audit can take 7 to 14 days. This is largely because auditors use datalogging equipment to quantify operating parameters such as airflows, pressure drops, humidity, temperatures, and energy consumption over an extended period. Monitoring system performance in this way typically yields a more complete picture of the supply side—the compressor’s efficacy. It can identify load profile problems causing inefficient operation and issues with air quality, pressure, and equipment performance.
A thorough audit also looks closely at the demand side of the system. Leaks may be found, usually by surveying the system with ultrasonic leak detection tools. Equipment and processes using significant volumes of air could be identified and remedial actions suggested.
Outputs from a compressed air audit should include:
If a compressed air system has been in place a number of years—and especially if details of the equipment installed are limited—an assessment is a good place to start. This can document the existing situation and identify what needs to be remedied.
An audit, for which there may be a charge, provides a detailed picture of how well a system meets facility needs. In particular, a first audit forms a baseline against which future improvements can be measured. Consider an audit if you need data to support purchasing or capital investment proposals.
Air compressors and the equipment associated with them have become more efficient and increasingly sophisticated in recent years. Kaishan USA produces high-quality compressed air products—including compressors, tanks, pumps, filters, and more—for a variety of industries and has a network of distributors who can carry out assessments and audits.
If you are interested in moving forward, contact us today. We will connect you with a distributor in your area who can help. Upon completion of your assessment or audit, we can help you determine the equipment most appropriate for your facility.
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The terms “compressed air assessment” and “compressed air audit” are often used interchangeably when looking
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