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过程冷却

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  • 案例故事
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用逆变器技术进行精密冷却

Application description

在许多工业过程中，机械或工艺会产生需要冷却，保护设备和/或确保生产产品的热量。工艺冷却单元用于冷却，提取湿度或调节制造过程的温度。

在制造过程中需要冷却的一个很好的例子是在塑料行业发现的，在该行业中，注射机械加热塑料聚合物以使其被模制或挤出。在塑料膜的吹塑成型中，挤出膜的温度控制很重要，因为这会影响膜的质量和厚度。

冷却设备可能是不同类型的，具体取决于空气还是液体是需要精确温度控制的冷却介质。冷却设备通常需要非常灵活，以使工业机械在不同的过程中使用相同的冷却设备。例如，塑料薄膜吹制机可以生产薄膜。那么温度设定点需要相对较高（通常为20°C）。同一台机器还可以产生较厚的塑料膜，但是温度设定点需要较低。

除了需要在制造过程中维持不同温度设定点的需要外，process coolershave to be able to maintain a stable temperature at the set point despite variation in the ambient temperature.

为什么选择DANFOSS可变速度压缩机进行流程冷却？
By using the Danfoss inverter compressor – a reliable compressor combined with a prequalified drive – the challenges involved in manufacturing applications like the above can be met.

可变速度解决方案adapt very quicklyto cooling demand and keep the process at a precise set point (±0.2°C) despite不同的环境温度。如果需要更改过程参数，则很顺利且非常精确的温度控制如下所示，可能是可能的密切控制使用逆变器压缩机并使用传统的启用压缩机技术。

In addition to precision temperature control, variable speed compressor solutions will be more energy efficient compared to traditional on-off compressor technology, especially when running in part-load conditions.

What are the benefits for your customers when they choose Danfoss inverter compressors?

  • 压缩机可以保持稳定，精确的温度，改善过程和设备的可靠性
  • 停机时间降低
  • Part-load operation increases the overall efficiency of the system
  • 启动当前要求很低
  • 节能大量

对客户最重要的好处

  • 精确的温度控制可在±0.2°C内实现，改善工艺，产品质量和设备寿命betway88必威手机版

Additional benefits

  • 新技术的创新和开发使得成为可能。
  • 通过更具创新的产品来增加市场份额betway88必威手机版
  • 更大的扩展和发展能力。

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Danfoss Turbocor model TGS oil free compressors are available in 5 different models ranging from 40 tons to 150 / 140 kW to 540 kW utilizing ultra-low GWP R1234ze or R515B.

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Danfoss Turbocor®model TTS oil free compressors are available in four different models ranging from 60 tons to 200 tons / 200 to 700 kW utilizing R134a or low GWP R513A.

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Danfoss Turbocor® model VTT oil free compressor is available with a capacity up to 400 tons / 1430 kW using R134a.  This compressor is designed for water and evaporative cooled chiller applications.

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Danfoss inverter scroll compressor VZH offers effectiveness and reliability. Over 30% energy savings is possible in rooftops, chillers, close controls etc.

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Danfoss inverter scroll compressor solutions for commercial air conditioning and process-cooling applications. R410A, single units. VSH: first-generation commercial inverter scroll compressors with frequency converter CDS302. VZH: second-generation commercial inverter scroll compressors with frequency converter CDS303. VRJ: first high-tier residential inverter scroll compressors with frequency converter CDS801.

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案例故事

The new Alsik hotel in Southern Denmark sets a higher standard in energy-efficiency and is built to reach 76% CO₂-neutrality. A main contributor is the 900-kW chillers by Clint (a company of G.I. Industrial Holding) which features award-winning Danfoss Turbocor oil-free compressors.

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Danfoss conducted a study to see how long term operation affected performance on Danfoss Turbocor® compressors. The results showed that oil-free, magnetic bearing compressors maintained consistent performance even after 10+ years of operation.

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The benefits of inverter air conditioners include energy efficiency in buildings, lower energy consumption, running costs and impact on power grid, accurate comfort and high quality in process.

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Case on how inverter compressor improves humidity control and energy efficiency in building cooling and resort centres

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Example of data center cooling featuring inverter technology that reaches low PUE, saves energy and costs and secures data process.

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A world leading company in wireless technologies opt for three 1,400-ton chillers powered by 21 Danfoss Turbocor™ compressors to improve efficiency and lower costs at data center.

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