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Did you buy the wrong type of compressed air dryer?

Do you have a desiccant compressed air dryer in your plant?
Do you know the annual running cost of that dryer?
It's plugged into a power socked, so it probably uses a bit of electricity… and you need to replace the desiccant every so many years. Right?
But for many types of desiccant air dryers, there's a hidden cost… and it is substantial!
In fact, the yearly cost will probably SHOCK you!
The culprit?
Purge air!
Purge air is air that is used to regenerate the desiccant. (the desiccant needs to be regenerated every few hours, to remove the water that it previously absorbed).
There are 2 main types of desiccant dryers:
Heated blower regenerated
This type uses an external blower and heater to regenerate the desiccant.

It requires only electricity (around 1 kW for every m3/min of compressed air).
Purge regenerated
This type doesn't use electricity to regenerate the desiccant...
Great, right! 
It uses precious compressed air!!!
This compressed air flow is between 10 and 20% of na…
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Using Compressed Air? Think again!

Using Compressed Air? Think again!
We know this might sound strange from a guy who's all about compressed air... ... but did you ever wonder WHY and IF you really need to use compressed air? It might have been a very bad decision to make use of compressed air for your tools, machines, actuators, etc. Sure, some applications DEMAND compressed air. It's simply the only real option for it. And we know, compressed air and has many upsides: compressed air tools are very powerfulthey are safe to usecan operate in very dirty environmentsare cheaper compared to their electrical counterpartscan last a lifetime. I love all the benefits that using compressed air for your application brings.. but there is one very big downside..
Compressed air is EXPENSIVE.Very expensive.In fact, it's 7x - 8x more expensive compared to electricity. We talked about the cost of compressed air. And here's an example that shows exactly how and why using compressed air is 7x more expensive than electric…

A VSD Compressor Doesn’t Save You Money

VSD (Variable Speed / Frequency Drive) Compressors

The energy savings were huge… of course. The pay-back time would be a few months, or days, or less.. for sure!

Stop here!

Yes, a VSD compressor can save huge amounts of energy (and thus money), but only if a propoer homework is one, make some calculations and use your common sense.

[For those in the dark: a VSD or variable-speed compressor uses a frequency drive to match the compressor speed (and thus capacity) to the amount of compressed air needed. This as opposed to 'load-unload' machines that runs at a fixed speed but 'loads' and 'unloads' between a minimum and maximum pressure).

And IF a VSD compressor is a good idea in your situation, buy the right size of VSD compressor.

Here's when a VSD compressor will save you money: when it runs at less than 80% speed for most of the time and when it runs continuously (daily).

In these cases, the cost-savings can be huge. Tens of thousands of dollars per year in energy …

3 Ways to Save Money On Compressed Air

3 Ways to Save Money On Compressed Air

What if you knew that your compressed air system was completely optimized… running happily day after day.
No more waste of money and electricity…

Because let's face it: wasting thousands of dollars per year on electricity, without you knowing it, sucks.
Want to optimize your compressed air system?

It's impossible to share the complete step-by-step system in an email, but I can get you started on the right path.

Compressed air optimization #1: Air leaks As discusses in our previous blog: fix those leaks!

Compressed air leaks are the number one energy wasters!

The biggest, most rewarding, leaks will be easy to find. For the smaller leaks, you might have to do some extra work, but it will pay off!

But more importantly, once you fixed most of the leaks, put a system in place to continually check for and repair new compressed air leaks.

You can also use some stealth tactics like dividing your compressed air network in zones and shutting of those zones t…