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All Categories > Kaeser Products > Compressed Air Treatment > Dryers > Desiccant Dryers > KBD Blower Purge Air Desiccant Dryers > Item # 73234  
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Item # 73234, KBD 2200 Model 5.9 Kilowatt (kW) Average Heater Power Blower Purge Air Desiccant Dryer
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Kaeser externally heat-regenerative blower purge desiccant dryer produces dew points as low as -40ºF. Twin desiccant beds of activated alumina alternate between drying and regenerating, with regeneration being accomplished with heated ambient air at just above atmospheric pressure. The heated ambient air readily drives adsorbed moisture off of the desiccant preparing it for another adsorption cycle. The moisture-laden regeneration air exhausts to atmosphere during the regeneration process. KBD dryers can regenerate with little (about 1%) or no process (purge) air loss.




Financing  · Specifications  · Add-On Refrigerated Dryer  · Dimensions  · Features and Advantages  · Additional Information  · Note

Financing

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Finance with Approve Payments



Specifications

Brands
Kaeser Compressors

Model
KBD 2200

Working Pressure
100 psig

Inlet Flow at 100 Pounds Per Square Inch Gauge (psig) Pressure and 100 ºF Temperature
2200 scfm

Blower Flow Rate
403 scfm

Normal Blower Flow Power
10 hp

Average Blower Power
5.9 kW

Normal Heater Power
40 kW

Average Heater Power
27.6 kW

Approximate Weight
8018 lb

Inlet/Outlet Connections Type
Flange

Inlet/Outlet Connection Size
4 in

Pre-Filter (KB Series)
2500 scfm

High-Temp After-Filter (HTA Series)
2400 scfm

Total Replacement Desiccant
3734 lb

Standard
National Electrical Manufacturers Association (NEMA) 4


Add-On Refrigerated Dryer

Pressure Dew Point
Up to -40 ºF


Dimensions

Width
85 in

Depth
86 in

Height
127 in


Features and Advantages
  • Outstanding energy savings by heating atmospheric air for regeneration and using no purge air
  • Reliable controls and instrumentation meet NEMA 4 standards
  • Color change moisture indicator signals elevated dew point
  • ASME pressure relief valve


Additional Information
Solid state logic accurately controls inlet and purge valves which direct wet compressed air to the regenerated tower, and heated ambient air to the tower in need of regeneration. The process of adsorption and desorption can be repeated several thousand times before the desiccant must be replaced.

The right dryer for you
Most compressed air applications can achieve the required air quality by using a refrigerated dryer in combination with proper filtration. However, in cases where compressed air is exposed to freezing temperatures or where the product, process, or equipment is highly sensitive to moisture, Kaeser offers a complete line of desiccant dryers specifically designed to meet low dew points and deliver energy savings.

Innovation you can trust
With a cutting edge research and development team committed to building industry-leading products, Kaeser continues to deliver better solutions to meet our customers' compressed air needs. Kaeser's expertise and world-wide reputation for superior reliability and efficiency offer great performance and peace of mind.

Quality in every detail
Desiccant dryer performance and reliability are driven by component quality. Kaeser's valves and actuators are designed for consistent dew point performance and low pressure drop. Additionally, desiccant bed symmetry is selected to ensure uniform flow distribution and maximize contact time, while the spherical activated alumina desiccant allows for long service life and minimizes dusting. It also has a high surface-to-volume ratio and great affinity for water vapor for superior adsorption.

Savings with proper application
Proper planning with the help of Kaeser's system design engineers can save you money on capital and energy costs. Desiccant dryers have a higher purchase price and overall operating costs than refrigerated dryers and should be applied to the portions of a system requiring dew points below that of a refrigerated dryer. Kaeser can design a system that will efficiently deliver air quality suitable for your application.

Desiccant dryer basic operation
Kaeser desiccant dryers use the principles of adsorption and desorption and alternately cycle the compressed air through twin desiccant towers. As the vapor-laden air flows through one tower, the moisture is adsorbed onto the desiccant. Meanwhile, in the other tower, "purge air" flows through, evaporates the water on the desiccant, and carries it out of the tower as vapor.


Note
Average Heater kW (fixed cycle) = [kW required to produce 280 ºF temperature rise] x [235 min. max heat time] / [240 min drying time].

Average Blower kW (fixed cycle) = [Blower kW] x [235 min. max heat time] / [240 min dryer time].

Average Dryer kW (fixed cycle) = [Average Heater kW] + [Average Blower kW]

Actual kW is less and proportional to the average water load presented to the dryer.


 DOWNLOADS 

Brochure for KAD/KED/KBD Purge Desiccant Dryers
(PDF, 1551KB)


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