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Micro Heat Adsorption Dryer2

Sollant Micro Heat Adsorption Dryer Manufacturer

Regeneration gas volume: ≤7%~11%
Working pressure: 0.6~1.0Mpa
Intake oil content: ≤0.1mg/m³
Pressure dew point: -20℃~-40℃
Desiccant: activated alumina
Working cycle: 2~8 hours
Intake temperature: 0℃~45℃

Micro-heat regenerative adsorption dryer is an energy-saving product designed and developed by our company, which has reached the domestic advanced level. This series of products combines the advantages of heat regeneration and heatless regeneration, and adopts the form of slight heating for the regeneration gas, so as to reduce the consumption of regeneration gas and achieve the purpose of energy saving.

It avoids the disadvantage of short switching time of heatless regenerative dryers and also avoids the disadvantage of large power loss of heat absorbing dryers. It is an economical energy-saving adsorption dryer in the purification industry at present and is widely used in metallurgy, electric power, Electronics, food, chemical, petroleum, pharmaceutical, tobacco, instruments, meters, and automatic control industries.


» Features

  • Large-sized tower body ensures air flow rate and contact time
  • High-performance adsorbent with stable performance and long service life
  • Large displacement muffler
  • High-temperature protection, pressure switch detection protection, low-density heater
  • Stainless steel one-way valve, throttle orifice, air diffuser
  • Temperature Butterfly Valve
  • Large flow PLC control


»Working principle

This series of drying machines combines the advantages of pressure swing adsorption and temperature swing adsorption. Adsorption (work) at normal temperature and high water vapor partial pressure: analysis (regeneration) at higher temperature and low water vapor partial pressure. That is, the moisture adsorbed by the adsorbent during the adsorption process can be completely removed during the regeneration process by the joint action of the thermal diffusion of the high-quality regeneration gas (heated by dry air) and the high-pressure difference.

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Exploring Micro Heat Regeneration Adsorption Dryers

In the world of moisture control within compressed air and industrial processes, micro heat regeneration adsorption dryers stand as an innovative solution. These compact devices are designed to effectively remove moisture from compressed air systems, ensuring that the air used in critical processes remains dry and reliable.

Micro heat regeneration adsorption dryers operate on a unique principle known as adsorption, where they utilize a specially designed adsorbent material to trap moisture from the incoming air stream. This process is highly efficient and distinguishes them from other drying methods. These dryers are particularly suited for applications that demand precise moisture control, even in small spaces or environments where larger drying systems may not be practical.

Moisture, although often underestimated, can have a profound impact on both compressed air systems and industrial processes. It enters compressed air systems through various sources, including atmospheric air, and can lead to a host of issues if not adequately managed. These issues encompass corrosion within pipelines and equipment, decreased operational efficiency, and heightened maintenance requirements.

In industrial processes, the presence of moisture can jeopardize product quality and compromise the integrity of critical processes. Whether it’s in pharmaceutical manufacturing, electronics assembly, or food processing, moisture control is imperative to ensure consistent product quality and process reliability.

Understanding Moisture in Compressed Air

A. Sources of Moisture in Compressed Air Systems

Moisture, often overlooked, can infiltrate compressed air systems from various sources. Understanding these sources is the first step in comprehending the importance of moisture control:

  • Atmospheric Air: The air we breathe contains moisture in the form of humidity. When this atmospheric air is drawn into a compressor, it carries moisture with it.
  • Compression: The compression process itself generates heat, causing moisture to vaporize. As the air cools downstream, this vapor condenses into liquid water, further contributing to the moisture content.
  • Pipelines and Storage: Moisture can also accumulate within pipelines and storage tanks due to temperature fluctuations. Condensation forms when air temperature drops, especially in long pipelines.

B. The Detrimental Effects of Moisture on Equipment and Processes

Understanding the sources of moisture is essential because the effects of moisture within compressed air systems can be far-reaching and detrimental:

  • Corrosion: Moisture can lead to the corrosion of pipelines, valves, and equipment. This not only compromises the structural integrity but also introduces contaminants into the air.
  • Reduced Efficiency: Moisture affects the efficiency of pneumatic tools and equipment. It can cause valves to stick, impact the accuracy of instrumentation, and increase wear and tear on moving parts.
  • Increased Maintenance: Moisture-laden air necessitates more frequent maintenance, leading to higher operational costs. Regular filter and dryer replacement, as well as equipment repair, can strain budgets.
  • Quality Compromises: In industries such as pharmaceuticals and electronics manufacturing, even slight variations in moisture levels can lead to product defects, impacting quality and consistency.

C. The Need for Effective Moisture Removal

Given the numerous adverse effects of moisture, it becomes evident why effective moisture removal is essential. This need extends beyond mere comfort; it’s a fundamental requirement for maintaining equipment efficiency, product quality, and overall process reliability.

Effective moisture removal is precisely where micro heat regeneration adsorption dryers come into play. Their ability to meticulously extract moisture from compressed air ensures that downstream processes receive dry, dependable air that is free from the damaging effects of moisture. As we delve deeper into these dryers’ mechanisms and advantages, their vital role in moisture control will become even more apparent.

Micro Heat Regeneration Adsorption Dryers: An Overview

Micro heat regeneration adsorption dryers are a specialized class of equipment designed for the meticulous removal of moisture from compressed air systems. They stand apart from conventional dryers due to their compact size and highly efficient moisture control capabilities.

In essence, these dryers leverage a process known as adsorption to eliminate moisture. Adsorption occurs when the dryer’s adsorbent material attracts and retains moisture molecules, effectively “adsorbing” them from the compressed air. This process is the heart of micro heat regeneration adsorption dryers and sets them apart as a precise and efficient moisture control solution.

What truly distinguishes micro heat regeneration adsorption dryers is their capacity for heat regeneration. After the adsorbent material captures moisture, it must be periodically regenerated to maintain its effectiveness. This regeneration process is conducted without external heat sources, making these dryers exceptionally energy-efficient.

The regeneration phase involves raising the temperature of the adsorbent material, allowing it to release the captured moisture as vapor. This vapor is then vented out of the dryer, renewing the adsorbent material’s capacity to capture moisture once again. This heat regeneration process is a hallmark of micro heat regeneration adsorption dryers and contributes significantly to their reliability and cost-effectiveness.

Micro heat regeneration adsorption dryers consist of several integral components that work in harmony to achieve precise moisture control:

  • Adsorption Tower: This tower contains the adsorbent material, often a desiccant, which captures moisture from the compressed air.
  • Heater: The heater is responsible for elevating the temperature within the adsorption tower during the regeneration phase, ensuring that the adsorbent material releases moisture effectively.
  • Valves: Valves direct the flow of compressed air and ensure that it passes through the adsorption tower during the drying phase and bypasses it during regeneration.
  • Controller: An intelligent controller orchestrates the dryer’s operation, managing the drying and regeneration cycles to maintain optimal moisture control.

These components work in tandem, cycling between adsorption and regeneration phases, to provide a continuous supply of dry, moisture-free compressed air. This process occurs efficiently and reliably, making micro heat regeneration adsorption dryers a preferred choice for applications that demand precise moisture control, even in compact spaces or challenging environments.

The Adsorption Cycle

The adsorption cycle is the fundamental process that defines how micro heat regeneration adsorption dryers remove moisture from compressed air. Understanding this cycle is crucial to appreciate the efficiency of these dryers:

  • Adsorption Phase: In this initial phase, moisture-laden compressed air enters the adsorption tower, which contains the desiccant material. The desiccant’s affinity for moisture causes it to attract and trap water molecules from the incoming air stream. As a result, the air exiting this phase is significantly drier.
  • Drying Phase: The now-dry compressed air proceeds to its intended application, whether it’s powering machinery, supporting manufacturing processes, or any other industrial use. During this phase, the dryer ensures that the air maintains its low moisture content.

Regeneration Phase and Its Importance

The moisture-laden desiccant material in the adsorption tower cannot indefinitely continue adsorbing moisture. Eventually, it becomes saturated and loses its effectiveness. This is where the regeneration phase becomes vital:

  • Regeneration Phase: When the desiccant reaches its moisture-holding capacity, the dryer switches to the regeneration phase. Here, the heater within the dryer elevates the temperature within the adsorption tower. This rise in temperature causes the desiccant to release the captured moisture in the form of vapor.
  • Venting Moisture: The vaporized moisture is vented out of the dryer, leaving the desiccant material dry and ready to adsorb moisture once again. Importantly, this regeneration phase is conducted without external heat sources, making the process remarkably energy-efficient.

Achieving Specific Dew Points with Micro Heat Regeneration Adsorption Dryers

One of the notable advantages of micro heat regeneration adsorption dryers is their ability to achieve specific dew points. Dew point is the temperature at which air becomes saturated with moisture, leading to condensation. By precisely controlling the adsorption and regeneration phases, these dryers can achieve and maintain specific dew points, even in demanding industrial environments.

This capability is crucial in industries where maintaining consistent air quality and preventing condensation are paramount. For example, in pharmaceutical manufacturing or electronics assembly, where minute variations in moisture levels can lead to product defects or process disruptions, achieving specific dew points is non-negotiable.

By understanding the intricacies of the adsorption cycle and the precise control these dryers offer, industries can appreciate the level of moisture control and reliability they bring to their compressed air systems, ultimately improving product quality and process efficiency

Advantages and Benefits

Energy Efficiency and Cost Savings Compared to Other Drying Methods

Micro heat regeneration adsorption dryers offer several distinct advantages, starting with their exceptional energy efficiency. Unlike some other drying methods that rely on external heat sources, micro heat regeneration adsorption dryers employ an internal heater during the regeneration phase. This significantly reduces energy consumption and associated costs.

Additionally, their compact design ensures minimal pressure drop, further contributing to energy savings. As a result, these dryers stand as a cost-effective choice for industries looking to maintain moisture control without straining their energy budgets.

Consistent and Reliable Moisture Control

Precise moisture control is a hallmark of micro heat regeneration adsorption dryers. Their ability to achieve specific dew points consistently ensures that downstream processes receive air of the desired quality, free from moisture-related disruptions.

This reliability extends to varying operating conditions, making these dryers suitable for industries that face fluctuations in demand or environmental conditions. The adsorption and regeneration cycle ensures a continuous supply of dry air, enhancing equipment reliability and product quality.

Versatility and Applications in Various Industries

Micro heat regeneration adsorption dryers find applications across a spectrum of industries. Their compact size, efficiency, and precise moisture control capabilities make them adaptable to diverse industrial environments. Industries such as pharmaceuticals, electronics manufacturing, food processing, and automotive manufacturing rely on these dryers to maintain air quality and process consistency.

Whether it’s preventing defects in sensitive electronics or ensuring product integrity in pharmaceuticals, the versatility of these dryers is invaluable.


In conclusion, micro heat regeneration adsorption dryers have emerged as a remarkable solution for moisture control in compressed air systems and industrial processes. Let’s recap the key takeaways:

These dryers utilize a unique adsorption cycle coupled with heat regeneration to efficiently remove moisture from compressed air.

Energy-efficient and cost-effective, micro heat regeneration adsorption dryers stand out among drying methods, significantly reducing energy consumption and associated expenses.

Their precise moisture control ensures consistent and reliable performance, making them suitable for various industries, including electronics, pharmaceuticals, and food processing.

Real-world case studies and examples demonstrate their tangible benefits, from increased efficiency to improved product quality.

In closing, moisture control is not merely an operational consideration; it is a fundamental necessity in compressed air systems and industrial processes. The ramifications of unchecked moisture are far-reaching, impacting product quality, equipment longevity, and overall operational reliability.

Micro heat regeneration adsorption dryers have emerged as a technology that not only meets these moisture control demands but does so with exceptional efficiency and versatility. As industries strive for higher levels of productivity and product integrity, these dryers are poised to play an increasingly crucial role.

The enduring importance of moisture control is a reality that industries must confront. With technologies like micro heat regeneration adsorption dryers at their disposal, they have the means to tackle this challenge effectively and secure a future of efficient, reliable, and high-quality industrial processes.