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New publication helps farmers increase drying efficiency with dryeration

AgDM Newsletter
January 2011

A newISU Extension publication addresses techniques for dryeration and combination drying to increase the drying rate for high-temperature corn dryers.

When harvest conditions require high-temperature grain drying, the dryer system may be the bottleneck that limits harvest rate. A new publication from Iowa State University Extension addresses techniques for dryeration and combination drying to increase the drying rate for high-temperature corn dryers.

“Dryeration and Combination Drying for Increased Capacity and Efficiency” (PM 2089K) is available to download from the Extension Online Store, www.extension.iastate.edu/store/.

This publication illustrates dryeration techniques and management considerations to increase both drying capacity and overall energy efficiency. Topics include delayed cooling, moisture testing, system design and combination drying using both high-temperature and low-temperature systems to achieve optimal results.

“In high-temperature systems, moisture is removed from the corn kernels faster than the moisture can equalize within the kernels," said Shawn Shouse, ISU Extension agricultural engineer. "The dryeration process allows this moisture to move towards the surface of the kernel where it can be removed more efficiently.”

Implementing dryeration or combination drying requires additional planning, but the energy savings are considerable.

The publication is part of a series of farm energy conservation and efficiency educational materials being developed through the ISU Farm Energy Conservation and Efficiency educational initiative. The purpose is to increase farmers’ awareness of opportunities for improving efficient use of farm energy. The initiative also will help farmers explore alternatives to reduce farm energy demand and to improve their farms’ overall profitability in a rapidly changing energy environment.

Publications available include:

Energy Consumption
How Much Energy is Being Used on Your Farm?
Electric Savings: Understanding Demand and 3-phase Motor Use
Tracking the Energy Use on Your Farm

Field Crops
Limiting Field Operations
Energy Conservation in Corn Nitrogen Fertilization

Grain Drying
Dryeration and Combination Drying for Increased Capacity and Efficiency
Managing High Temperature Grain Dryers for Energy Efficiency

Swine
Energy Efficient Fans for Swine Production
Sizing Minimum Ventilation to Save Heating Energy in Swine Housing

Farm Equipment
Ballasting Tractors for Fuel Efficiency

Poultry
Energy Efficient Fans for Poultry Production

For more information, go to http://farmenergy.exnet.iastate.edu

 

Dana Petersen, Farm Energy Conservation and Efficiency Initiative, 515-294-5233, petersen@iastate.edu
Laura Sternweis, extension communications and external relations, 515-294-0775, lsternwe@iastate.edu