Columbia Tunnel Dryer / Dehydrator
The Columbia Tunnel Dehydrator is our full-sized production tray dryer, capable of large scale dehydration while maintaining consistency and uniformity. The Columbia Dehydrator has proven to be very flexible, drying a wide range of products, and it can be customized to a unique and demanding application. For both high production and high quality, look to the Columbia for your commercial and industrial dehydration needs.
Mobile Racks, Drying Trays, and tray liners sold separately.
Columbia Features
Energy Efficient - Flexible
Control Humidity & Reduce Drying Time Up to 50%
- Large Drying Trays
Columbia dehydrator offers multiple configurations, see below.
- Powerful Variable Fan
The VFD (variable frequency drive) is designed for fan speed control. Allowing the operator full control over air speed within the unit.
- Thermostatic Temp
Every Columbia comes standard with a thermostatic temperature controller capable of ambient temperatures up to 220°F (104°C).
- Automated Humidity Control
Each unit comes standard with an Automated Humidity Control System which helps reduce drying times.
- Gas Burner
Columbia operates on your choice of gas type. We can customize your dryer for use with natural gas, propane gas or butane mix.
Product Description
The Columbia Tunnel Dehydrator is our largest drying solution on the market today. Ideal for clients who need to achieve the lowest cost per square foot. The Columbia Tunnel Dehydrator uses a 30-horsepower fan capable of drying high-volumes of product at once.
Boasting its massive size, the Columbia Tunnel Dehydrator can be used with food items like fruits, proteins, vegetables, herbs, and pet-treats to non-food materials in batch volume. Our Columbia is available with different tray configurations which change the total square footage of drying space.
Stainless Steel Trays: 19,080 sq ft of drying area (2,120 trays, 40 mobile racks)
Plastic Self-Stacking Trays 1: 16,085 sq ft of drying area (2,408 trays, 56 cars)
Plastic Self-Stacking Trays 2: 17,280 sq ft of drying area (1,920 trays, 40 cars)
Each unit comes equipped with VFD (variable frequency drive) which provides the operator full control over air speed within the unit and Automated Humidity Control, which significantly reduces drying time.
Contact Commercial Dehydrator Systems for more information or click here.
Note: Every dehydration system is unique and may require custom configuration for your business or product. Intake, exhaust and ducting are not universal and require dimensions of your facility to quote. Drying trays, tray liners, and mobile racks sold separately.
Proudly Made in Eugene, Oregon USA.
Achieve Industrial Level Dehydration
Supporting Tools
Economy Moisture Balancer
Water Activity Meter
Perforated or Solid Drying Trays
Mesh or Solid Tray Liners
Mobile Tray Racks
Proudly Made in Eugene, Oregon USA
Technical Specs
| Model # | Columbia |
| Temperature Range | Ambient to 220°F (104°C) |
| Dimensions | 13’-7” x 43’-8” x 16’-6” |
| Machine Weight | 37000 lbs (16783 kg) |
| Fan Motor | High-Velocity 30 HP |
| Max. Heat Load | 5,600,000 BTUs |
| Avg. Fan Load | 29.32 kW/hr (29,320 watts) |
| Avg. Heat Load | 2,200,000 BTUs |
Estimated Running Costs
| Columbia | Result |
|---|---|
| Average Running Cost | $54.47 / Hour |
| $1,307.28 / Day (24 hours) | |
| $0.07 / Sq Ft / Day |
Note: All heating loads were computed based on a 40% consumption rate. This is an average figure (0.12 Kwh), and may not accurately represent all applications.