Rotary Dehumidifier Selection Guide

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Rotary Dehumidifier Selection Guide
1. Understand your own or your customers' actual needs, including the area, height, temperature requirements, humidity requirements, ventilation, number of staff, purification level requirements, etc. of the space that needs to be dried. The combined rotary dehumidifier unit can fully meet the customer's temperature, humidity and purification requirements. You can also use a rotary dehumidifier to control humidity alone.
2. When the temperature is 20-30 degrees and the humidity requirement is below 40%, or when dehumidification is required in a low temperature environment (below 10 degrees), we will choose a rotary dehumidifier. When the humidity requirement is higher than 40%, we can use a refrigerated dehumidifier to meet the requirements.
3. The controllable humidity range of the rotary dehumidifier is in the range of 1%-40%. The lower the humidity requirement, the higher the cost of the rotary dehumidifier and the higher the energy consumption.
4. When using a combined rotary dehumidifier, we need to provide cold ice water to the rotary dehumidifier in summer, and use electric heating, hot water or steam to control the air supply temperature of the unit in winter; we also need to install primary and medium efficiency filters in the unit to meet the purification level requirements; we can also install a humidifier in the unit to meet the constant humidity requirements. Regenerative heating can use electric heating, steam heating or other waste heat.
5. The control of rotary dehumidifiers now generally uses PLC + touch screen, which can realize intelligent control and fault alarm functions.
Source: HVAC e-home

转轮除湿机选型要点

选型先要明确目标露点、处理风量、再生温度与安装环境。露点要求越低，所需转轮面积与再生能耗越大；高湿负荷场景建议搭配前表冷预除湿。不同行业（制药、锂电、仓储）侧重点不同，可结合按应用场景选型对照。

行业对照

制药、锂电对露点要求最严，仓储与涂装次之。选型时可按目标露点反推所需转轮面积与再生能力。

行业对照

制药、锂电对露点要求最严，仓储与涂装次之。选型时可按目标露点反推所需转轮面积与再生能力，再结合场地条件定型，并预留未来产能扩张的冗余空间。

对不确定露点要求的项目，建议先小试验证再放大，降低决策风险，也能为后续同类产线积累可复用的设计参数。