Using glycol in your chiller may prove to be beneficial because it reduces the freezing point of process fluid and ensures that it continues to flow at the operating temperature.Jun 24, 2021
What kind of glycol is used in chillers?
The use of an industrial inhibited glycol and water mixture is recommended in most water chiller systems. Ethylene and Propylene are the two standard types of inhibited glycols commonly used. The main job of glycol is to prevent freezing of the process fluid and ensure consistent flow at the operating temperature.
How is glycol used in chilled water systems?
Percentage Glycol in Chilled Water Systems For many chiller types, ethylene glycol is mixed with water at a ratio of 60/40. This higher percentage of glycol boosts the mixture's antifreeze properties significantly. This is useful in cases where rapid cooling is required.Dec 3, 2019
How does a glycol chiller system work?
How Does a Glycol Chiller System Work? A glycol chiller plant is composed of a refrigeration component and tubing containing a glycol-water mixture as coolant. Chilled fluid from the refrigeration unit is channeled through the piping associated with a thermal exchanger surrounding a heated process.Dec 3, 2019
To cite an example, 10% ethylene glycol will freeze at 25.9°F while a 60% glycol solution will freeze at -63°F.Dec 3, 2019
What is a glycol chiller used for?
Glycol chillers are a specific kind of refrigeration system, often used to cool a variety of liquids, including alcohol and other beverages. Using a chiller allows producers to lower the temperature of the product dramatically over a short period of time, depending on the production needs.
What type of glycol is used for chillers?
What Type of Glycol Should You Use in Your Chiller? For most chiller applications, a solution of water mixed with Inhibited Propylene Glycol (specially formulated for HVAC cooling systems) is recommended. Inhibited Propylene Glycol contains corrosion inhibitors and pipe lubricants to enhance heat exchange.
How cold does a chiller get?
A chiller works on the principle of vapor compression or vapor absorption. Chillers provide a continuous flow of coolant to the cold side of a process water system at a desired temperature of about 50°F (10°C).Nov 16, 2017
What is the temperature of glycol?
Pure water freezes at 0 degrees Celsius (32 F) and pure ethylene glycol freezes at -12.9 C (8.9 F). In between, freezing points are non-linear. For instance, a solution of 10% ethylene glycol freezes at -3.4 C (25.9 F), 30% ethylene glycol freezes at -13.7 C (7.3 F) and 60% ethylene glycol freezes at -52.8 C (-63 F).Apr 18, 2016
What is chiller set point?
A water chiller typically operates with a set point of 50°F or higher. However, if setpoints between 20°F - 48°F are required, special precautions must be taken to prevent freezing and possible damage. Attentions must be given to freeze protection, water supply and pressure swith limit adjustments.
Can you use antifreeze in a glycol chiller?
Never use car antifreeze in a chiller system. The additives found in this type of antifreeze will foul heat exchangers and result in poor heat transfer. ... Even with inhibited glycol, chilled water systems using iron, steel or galvanized water piping and fittings can suffer from corrosion problems.May 1, 2003
Can you use RV antifreeze in glycol chiller?
Never use automotive or RV antifreeze! Automotive anti-freeze is NOT potable and is poisonous and harmful to people if swallowed. It is also harmful to a chiller system and brewery tanks. ... Use a proper mixture of inhibited propylene glycol provided or recommended by your chiller provider.Oct 22, 2016
Is glycol the same as antifreeze?
Though coolant and antifreeze are often used interchangeably, they aren't the same. Antifreeze is made of ethylene glycol or propylene glycol and is the basic ingredient, but it has to be mixed with water to create coolant, which is the cocktail you will find in the cooling systems of all “water-cooled” vehicles.May 30, 2021
Can you use car antifreeze in a central heating system?
Do not use automotive antifreeze (ethylene glycol, which also has silicates). Use only propylene glycol such as Noble No-Burst or Downtherm products with inhibitors. Glycol is a sugar-alcohol type chemical.Jun 17, 2014