The efficiency of the turbo refrigerator for clean rooms and its peripheral equipment improved by 13.5% to 19.1% after installation.
At Company F, a comprehensive material manufacturer, multiple turbo refrigerators are used in a production line for a clean room, controlled by the number of units (three 390RT units and three 500RT units). For the three 390RT units with high load, ball cleaning (XAC) has been implemented.
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basic information
◆Energy-saving effect Efficiency improvement of 13.5% to 19.1%!! 【Annual operating data for the year prior to installation】 Total production heat: 11,752,570 Mcal Power consumption (including auxiliary equipment): 5,931,648 KWh System COP: 1.98 Mcal/KWh 【Annual operating data for the first year after installation】 Total production heat: 13,650,151 Mcal Power consumption (including auxiliary equipment): 6,070,731 KWh System COP: 2.25 Mcal/KWh (compared to before installation: +13.5%) 【Annual operating data for the second year after installation】 Total production heat: 14,276,209 Mcal Power consumption (including auxiliary equipment): 6,047,961 KWh System COP: 2.36 Mcal/KWh (compared to before installation: +19.1%) ◆Cost-saving effect Chemical cleaning every three years has become unnecessary. Additionally, due to the improvement in the efficiency of the refrigeration unit, the total operating hours of the refrigeration unit have significantly decreased, resulting in a 26% reduction in the total amount of makeup water and water treatment chemicals for six units.
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Applications/Examples of results
Turbo chillers for clean rooms Turbo chillers for production lines Turbo chillers for central air conditioning Even with the introduction of high-performance chillers, if the condenser is dirty, its capabilities cannot be fully realized. Please consider upgrading to chillers that do not get dirty through ball cleaning for your heat exchangers.
Company information
The costs of electricity and gas for air conditioning are becoming a significant issue. No matter how efficient a refrigeration unit is, if the heat exchanger is dirty, its performance can be halved. Even with regular brush cleaning, much of the operating period may be spent in a dirty state, leading to increased maintenance costs. For those who have not encountered a method to "keep the heat exchanger clean," I hope to share a way to maintain the heat exchanger in a clean state without incurring high costs for water treatment, without needing to perform brush cleaning once a year, and without requiring chemical cleaning every few years.