KAESER report Australia 01/20

Page 14

blog This article has been taken from the KAESER Australia Blog kaeserknowhow.com.au

Understanding your compressed air

Bill, a Maintenance Manager of a logistics centre, recentl compressed air system. He needed to double his facility’s ou more air compressors to meet the higher demand for compres questions we determined a new compressor might not be nece steps taken after Bill’s enquiry that assisted us in not only sa compressors, but also helped him lower his existing energy con Existing components;

Like Bill, if your output doubles, you may well think that your compressed air system is no longer able to meet the new demand for compressed air this now creates. The logical step most of us would therefore take is to call our compressed air provider and ask them to quote for additional compressed air equipment. However, as Bill found out, assuming you need additional compressed air equipment may not always be correct.

which compressors or consumers are already installed? Are you using a master controller? What is the state of the pipe network? Are you using heat recovery? Installation location; what is the state of the supply air, air circulation and exhaust ducting? What are the space conditions like? What are the room ambients like? What is the state of the electrical supply? The answer to all of these questions should be considered.

How well do you know your compressed air system? The first step we recommend our customers take when they suspect they require additional compressed air equipment, is to undergo a hassle-free Air Demand Analysis (ADA).

Here measuring equipment is installed for a set period of time and continuously records the airflow by measuring the pressure differential. The information is stored in a data logger. Once retrieved, the latest technology allows precise, computeraided evaluations of the data, to generate precise consumption profiles of your system. In other words it determines what your actual air demand is throughout all operating sectors and at different loads. The advantages of undergoing an Air Demand Analysis are threefold: one; it highlights weaknesses in your existing compressed air system, two; it identifies any poorly dimensioned installations, three; it lays the groundwork for the next step towards achieving an optimal compressed air station by calculating the energysaving potential.

An ADA includes the following 3 key steps; Here we create a precise requirement profile for each of your fields of application including gathering all the necessary production parameters and conditions such as:

Air quality; what air quality is required for each application? Do you require standard blowing air or clean room quality Class 0 air according to ISO 8573-1? 14 | KAESER report

The data retrieved from the air demand analysis can then be evaluated using computer-aided technology. This not only generates a precise consumption profile of your existing compressed air system, but it can then be further utilised to compare several possible


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