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Mar 08, 2023

Why should the industrial industry choose a rotary dehumidifier?

Today's rotary dehumidifier users are in lithium battery, chemical, pharmaceutical, food, bioengineering, glass, electronics, shipbuilding, aviation, military and other industries. Among so many dehumidification methods, why should the industrial industry choose a rotary dehumidifier for dehumidification and temperature control? Let's take a look at what are the dehumidification methods?
Solid desiccant dehumidification: It is a solid substance that can absorb water vapor from the air, also known as a solid desiccant. The porous material with a large surface area is used to absorb moisture in the air under surface adsorption and capillary condensation. Since the partial pressure of water vapor on the surface of the solid hygroscopic agent is lower than the partial pressure of water vapor in the air, it absorbs moisture in the air and achieves the purpose of air dehumidification.
The advantage of using solid moisture absorbent is that the equipment is relatively simple, and the investment and operation costs are low.
The disadvantage is that the solid moisture absorbent needs to be regenerated after absorbing moisture to a certain extent, and the dehumidification performance is also unstable, so it is suitable for use in places with a small dehumidification capacity.
Liquid absorption dehumidification: dehumidify the air by spraying a hygroscopic agent aqueous solution
The advantage of liquid absorption dehumidification is that it can perform continuous dehumidification and regeneration operations to obtain stable dry air.
The disadvantage is that because the solution is in contact with the air in a mist state, the solution is easily taken out of the equipment or scattered out, which will cause adverse effects on the place of use. Because lithium chloride will segregate or crystallize at different points under different liquid concentrations and temperatures, it is necessary to control the solution concentration according to the characteristics of the solution, otherwise it is easy to cause damage to the circulation pump or blockage of the nozzle. Thereby also caused its maintenance cost to increase greatly.
Cooling and dehumidification method: Cool the air below the dew point temperature, and the moisture in the air will condense into water. The air with low humidity can be obtained by removing the condensed water and reheating.
Cooling and dehumidification is also an effective dehumidification method, but condensing the moisture in the air into water not only consumes a lot of electricity, but also easily causes the condensed water to freeze on the surface of the coil, reducing the cooling efficiency and dehumidification effect, so it cannot Get a stable humidity.
Rotary dehumidifier dehumidification: the rotary dehumidifier uses a super-strong silica gel composite molecular sieve dehumidification rotor, the rotor has up to 82% hygroscopic agent, the moisture absorption capacity is still the same strong in low humidity and low temperature environment, can be used to require dew point temperature Dehumidification field as low as -65°C. The rotary dehumidifier can not only be used for dehumidification in a large-area low-temperature environment, but also can be cleaned to reduce maintenance costs.
The rotary dehumidifier adopts the rotary adsorption technology, which can achieve the purpose of fluorine-free dehumidification. While improving the quality of indoor life, it does not increase the hidden danger of outdoor pollution.

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