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How to Manually Calculate Chiller Capacity for Your Process
If you don’t like the idea of expert guidelines for estimating process heat loads, or just plain prefer to make your own calculations about the chiller capacity your process needs, the following is definitely for you. "Old school” formulae for calculating process heat load and chiller size Start with material...
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How to Size Your Chiller: The Easy Way
Chillers come in all sizes, from enormous, plant-sized central units that can deliver 500-plus tons of cooling per hour to plug-in portables that provide a single ton of capacity per hour. So, how do you get the one that you need? To size a chiller to meet your requirements, you’ve...
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A Quick Guide to Cooling Towers for Plastics Processing
What is a cooling tower? A cooling tower extracts heat out of process cooling water and pushes it into another medium, usually air, so that the process cooling water is cooled and ready to be recirculated. How do cooling towers work? In plastics processing, cool process water is pumped out...
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Should I Choose an Air-Cooled Chiller or Water-Cooled Chiller?
Our Chiller Essentials article explained that chillers circulate cooling water through process equipment to remove heat. When that cooling water returns to the chiller, it transfers the heat away from the chiller to the environment using a refrigerant loop and either an air- or water-cooled condenser. Air-Cooled Condensers Air-cooled condensers...
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Portable Chillers Versus Central Chillers: Which is Best?
There are two types of chillers: portable chillers and central chillers. Portable chillers are typically smaller in capacity (30-40 tons or less), simpler in overall design, and lower in installed cost. Equipped with caster wheels, they are easy to move, easy to connect (using flexible hoses), and easy to power...
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Chiller Essentials for Plastics Processors
What is a chiller? A chiller is a heat-transfer device that uses mechanical refrigeration to remove heat from a process load and transfers the heat to the environment. Chillers are used by plastics processors when they need a lower process fluid temperature than a simpler system, such as a cooling...
By Jim Fisher