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Double Tower type air dryers dry air quite efficiently, as the desiccant is regenerated by heating it. It is recommended for dew points of (-)70°C to (-)80°C.
The regeneration process uses the adsorption heat that has been saved to remove moisture from the desiccant so that it can continue to function. If the heat is lost too soon, as may happen with high flow rates, the heatless dryer cannot regenerate, and the system breaks down, necessitating prolonged priming at low flow before proceeding. The dryer lacks a heater, yet it depends on the storage of the heat created by adsorption during the drying process to function continuously.
A heated air dryer is high-technology compressed air processing equipment that dries the air through the desiccant adsorption process and regenerates it with heat. The equipment is ideal in industries where constant dry air flow is required. A heated air dryer protects pneumatic machines and other systems against corrosion and contamination by managing the moisture content in the air.
What Is a Heated Air Dryer?
In a heated desiccant air dryer, a desiccant dries the air. A typical heated desiccant air dryer works on two adsorption towers. When one tower is used for removing water from the compressed air, the other tower is regenerated using heated air. In contrast to regular heatless dryers, heated regeneration requires a smaller amount of compressed air than the latter. As a result, heated desiccant dryers are ideal for processes that require high flow rates and high dew point requirements.
Such a desiccant dryer can be used along with air compressors, filters, air receivers, and other equipment.
Moisture-adsorbing desiccant is present inside the adsorption tower that holds compressed air. As a result of the adsorption process, water vapor gets trapped within the desiccant, and hence the compressed air becomes dry. Upon saturation of the desiccant with moisture, the roles of the towers are exchanged. Here the tower that has reached saturation starts the regeneration process, during which heat air is used to remove the moisture from the desiccant.
This alternating mechanism ensures continuous dried compressed air production.
Our heated air dryers are meant for effective performance, effdeliver effective performance, efficientustrial purposes. The following features characterize these dryers:
The industrial air dryer is commonly used in industrial environments where dry air is necessary to maintain optimal product and process performance. Uses are found in pharmaceutical, chemical, food and beverage, electronics, automotive, textile, engineering, electricity generation, and general industries.
Dry compressed air is particularly useful for pneumatics, instrumentation, controls, air-operated tools, and delicate industrial equipment. Such equipment will help prevent corrosion, freezing, contamination, and malfunction of the compressed air system.
The heated desiccant air dryer has several advantages in use within the industrial compressed air system. First, the heated regenerative process can reduce the need for purge air compared to the conventional heatless regenerative process. This type of dryer is also appropriate for uses that demand constant and low-pressure dew points. Its automated process will enable the dryer to switch between adsorption and regenerative phases but still maintain a steady flow of treated compressed air.
Appropriate sizing and proper maintenance will ensure its reliable functioning.
The selection of the proper heated air dryer is a process that takes into account factors like the compressed air flow, pressure, temperature, dew point, operating conditions, and the regeneration method. Proper sizing guarantees that moisture will be efficiently removed from compressed air.
Our Heated Desiccant Air Dryers are created taking into account the following characteristics: performance, energy efficiency, maintenance, and reliability. Our dryers can be adjusted according to the needs of industrial application and the compressed air system.
A heated air dryer is a very good solution for industries needing to have clean and dry compressed air due to its capacity of continuously removing moisture from compressed air. Through proper control of moisture in compressed air, the appropriate dryer can help ensure the protection of equipment. Through proper design of the system, it is possible for heated air dryers to serve as an effective solution to modern-day industrial compressed air problems.