A water-cooled chiller is a type of cooling system that uses water as a medium to transfer heat from a building or process to the outside environment. Water-cooled chillers are commonly used in large commercial and industrial applications where a high cooling capacity is required. The chiller works by circulating water or a water-glycol solution through a refrigeration cycle that removes heat from the water and transfers it to the outside environment. The chiller consists of a compressor, condenser, expansion valve, and evaporator, and works by the same thermodynamic principles as an air-cooled chiller. water is also used to absorb and transfer heat away from the building or process. Water-cooled chillers require a separate cooling tower or evaporative condenser to dissipate the heat, and they are typically more efficient and have a longer lifespan than air-cooled chillers. Water-cooled chillers are commonly used in large buildings such as hospitals, hotels, and universities, as well as in industrial applications such as chemical processing and manufacturing. Water-cooled chillers are not typically used directly in food processing as a food ingredient or processing aid. However, they are commonly used in the food industry to cool and refrigerate various food products and ingredients, such as: 1. Dairy products: Milk, cheese, and yoghurt are all commonly stored and transported in refrigerated trucks and warehouses that use water-cooled chillers to maintain a consistent temperature. 2. Fruits and vegetables: Fresh produce such as berries, lettuce, and broccoli require refrigeration to maintain freshness and extend their shelf life. Water-cooled chillers are commonly used to cool and maintain the temperature of produce during storage and transportation. 3. Meat and poultry: Meat and poultry products require refrigeration to prevent spoilage and maintain food safety. Water-cooled chillers are commonly used in meat processing plants and cold storage facilities to maintain a consistent temperature. 4. Beverages: Soft drinks, beer, and other beverages are typically stored and transported in refrigerated trucks and warehouses that use water-cooled chillers to maintain the desired temperature. Water-cooled chillers work on the same basic thermodynamic principle as air-cooled chillers, but they use water as the medium for heat transfer instead of air. Here are the basic working principles of water-cooled chillers: 1. Compression: Water-cooled chillers use a compressor to compress the refrigerant gas, which raises its temperature and pressure. 2. Condensation: The hot and high-pressure refrigerant gas is then pumped to a condenser, where it is cooled down and condensed into a liquid by the water flowing through the condenser tubes. The heat from the refrigerant is transferred to the water, which is then pumped to a cooling tower or evaporative condenser to dissipate the heat. 3. Expansion: The condensed refrigerant liquid is then passed through an expansion valve that reduces its pressure, causing it to evaporate and turn into a gas. The refrigerant absorbs heat from the water or fluid being cooled, and this causes the refrigerant to cool down and the water or fluid to be cooled. 4. Evaporation: The cool refrigerant gas is then passed through an evaporator, where it absorbs more heat from the water or fluid being cooled. The refrigerant then goes back to the compressor, and the cycle repeats. Water-cooled chillers work by circulating refrigerant through a closed-loop system, which removes heat from the water or fluid being cooled and releases it to the outside environment via a condenser and cooling tower. Water-cooled chillers require a separate cooling tower or evaporative condenser to dissipate the heat, and the tower or condenser must be sized appropriately to match the cooling load of the chiller. The chiller is equipped with sensors, controls, and safety devices that help to maintain the desired temperature and prevent system failures. Market Insight of Water-Cooled Chiller Water-cooled chillers are widely used in commercial and industrial applications for cooling and refrigeration, and as such, they have a significant market size and value. Here are some market insights into water-cooled chillers: 1. Market Size: The global water-cooled chiller market was valued at USD 6.2 billion in 2020, and it is expected to reach USD 8.3 billion by 2028, with a compound annual growth rate (CAGR) of 3.8% during the forecast period. 2. End-use industries: The major end-use industries for water-cooled chillers are the commercial and industrial sectors. The commercial sector, which includes buildings such as offices, hotels, and hospitals, is the largest consumer of water-cooled chillers, accounting for about 55% of the total market share. 3. Regional Markets: Asia Pacific is the largest and fastest-growing market for water-cooled chillers, owing to the growing construction and industrial activities in the region, and the increasing demand for energy-efficient and sustainable cooling solutions. North America and Europe are also significant markets for water-cooled chillers, owing to the mature building and industrial infrastructure. 4. Key Players: The major players in the water-cooled chiller market include Carrier Global Corporation, Trane Technologies plc, Johnson Controls International PLC, Mitsubishi Electric Corporation, and Daikin Industries, Ltd. 5. Regulations: The use of water-cooled chillers is regulated by various environmental and safety regulations, such as the Montreal Protocol and the Kyoto Protocol, which aim to reduce the use of ozone-depleting and greenhouse gases.
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