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The following are types of a rotary desiccant dehumidifier.
This kind of model utilizes excess moisture in the air to produce heat, which then passes through the desiccant wheel. In this form, the process air gets heated, reducing its relative humidity. In normal working conditions, the heat output of the desiccant dehumidifier will increase and decrease depending on humidity levels.
The non-equilibrium type operates without a temperature difference between the fresh wheel and the regeneration wheel. In the model, the heat energy from the regeneration wheel is transferred to the fresh wheel. This is done during the adsorption cycle by a thermal coupling process called inter-wheel heat exchange. Although this type uses less energy, it has limitations in areas where the humidity level is high.
The wet and dry rotary dehumidifier utilizes the desiccant ability to absorb moisture to dehumidify the air. It does not require an indirect or direct type wet section. The air that passes through the desiccant wheel will be dried to its dew point.
The thermal swing type model operates by bringing together low and high moisture content air through the hygroscopic material. It will require a time period for the cycle to switch from adsorption to desorption. The sensors are responsible for detecting the humidity within the environment. Once they identify the levels, they communicate with the actuator, which rotates the dehumidifier.
The following are some of the industrial dehumidifier applications.
Desiccant dehumidifiers are used to optimize humidity conditions during semiconductor manufacturing processes. Maintenance of humidity levels will help prevent defects on sensitive surfaces. This helps improve product yield.
Humidity control is essential in pharmaceutical facilities. High moisture may cause drug degradation, affect packaging or foster microbiological growth. Desiccant dehumidifiers help maintain optimal humidity ranges for effective drug storage and production. This helps in compliance and product integrity preservation.
In agriculture, desiccant dehumidifiers reduce humidity in greenhouses. This helps control disease outbreaks and regulate plant growth. In storage facilities, they protect crops like grains or tobacco from mold growth. This is possible by maintaining dry conditions that prevent mold or mildew. They offer farmers precise control over humidity for improved crop quality and higher yields.
Desiccant dehumidifiers are ideal for food processing facilities. They help maintain stable humidity levels for products that are sensitive to moisture changes. These will include dried fruits, nuts, or powders. Controlling humidity helps maintain product consistency, prevent spoilage, and extend shelf life.
In the manufacturing and storage of textiles, synthetic fabrics are sensitive to humidity changes. These changes cause static, affect their texture, and may lead to mold development. Desiccant dehumidifiers control humidity levels in textile facilities. This helps prevent fabric damage, ensures product quality, and reduces maintenance costs that are associated with mold removal.
Below are some key specifications and features.
Desiccant dehumidifiers should be placed in an area that requires dehumidification. It should be near a power outlet that is easily accessible and at least 4 to 6 inches away from any walls. When setting the level, operate the dehumidifier with the desired humidity level. Low humidity will be ideal for dry and high areas with wet and congested spaces. Users should check the water level periodically and empty the tank when it is full.
Check the filter monthly for dirt or dust. Clean it with warm water. Replace the filter if it is damaged. Inspect the coil and motor for dirt once a year. If dirty, hire a professional to clean the unit. Take the dehumidifier for service. A technician will replace worn parts.
Know the required specifications for the intended application. High moisture areas need industrial humidifiers with great capacity.
Get prices for different types. Prepare to spend more on efficient dehumidifiers.
Search online for user feedback. Frequent breakdowns are a bad sign.
Ensure the dehumidifier is compatible with the existing HVAC system.
Evaluate the required power and water efficiency. Low utility cost models are the best.
Look for warranties. Longer coverage means better quality and performance.
Research the manufacturer. Popular brands are likely to produce tough dehumidifiers.
A1. It requires periodic inspection and replacement of the filters as well as the desiccant material itself. The device should be checked for wear and tear regularly.
A2. Their average lifespan is around 5 to 10 years with proper care. However, heavy use can lead to a shorter duration.
A3. Its main purpose is to control humidity levels in industries such as pharmaceuticals, food processing, and electronics manufacturing. It prevents corrosion and mold growth.
A4. A desiccant dryer works by rotating a desiccant-embedded wheel through a stream of incoming air. Moisture will then be absorbed by the desiccant material to leave dry air.
A5. Its benefits include effectiveness in low humidity and energy efficiency. They are also suitable for industries that need strict humidity control.
