We present a case where fluoride was detected in the results of cold and warm water quality testing, and it was found that there was a refrigerant gas leak following equipment inspection.
During the regular inspection of the facility's water management items, an anomaly was detected. The results of the cold and hot water quality tests showed that the pH value decreased from "7.5→7.0→6.5" over a certain period, and further analysis detected fluoride. It was determined that there was a possibility of refrigerant (freon) contamination, and upon inspecting the equipment, it was found that there was a refrigerant gas leak from the copper tube inside the freezer. [Summary] ■ Issues - An anomaly was detected in the facility's water management items. ■ Solutions - Equipment inspection was conducted. - A refrigerant gas leak from the copper tube inside the freezer was identified. *For more details, please refer to the PDF document or feel free to contact us.
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Here are two cases where issues occurred despite acceptable water quality. **Case 1: Abnormal Shutdown of Cooling Tower** **Overview** - **Issue**: The cooling tower in an office building experienced an abnormal shutdown, and upon investigation, foreign substances were found attached to the strainer. - **Solution**: The strainer for the cooling water was clogged with foreign substances, causing the equipment to stop. Initially thought to be caused by slime and algae, observation under an optical microscope revealed that filamentous fibers, which were not visible to the naked eye, had detached from the cooling tower components. **Case 2: Hole in the Refrigeration Unit Condenser** **Overview** - **Issue**: A problem occurred where a hole developed in the condenser of the refrigeration unit, prompting a water quality test to determine the cause. - **Solution**: An analysis of the cooling water was conducted to investigate the cause of corrosion in the condenser, revealing a high concentration of sulfate ions. It was determined that flue gas (sulfur dioxide) from the incinerator had dissolved in the cooling water, leading to the issue. To resolve the problem, measures were taken to extend the chimney to prevent any impact on the cooling tower.
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Air conditioning and sanitation equipment can experience various issues. Our company goes beyond being just a cleaning and analysis service provider; we scientifically investigate "why problems occur" to offer our customers new value. As a result, our goal is to expand the circle of joy and contribute to society. We engage in a wide range of businesses, including "investigating," "cleaning," and "protecting." To provide the best service tailored to our customers' situations, service engineers who have passed our ISO 9001 standards are responsible for execution in each field. Additionally, we are insured against unforeseen circumstances, ensuring that we have a system in place to provide our customers with stable quality services.