Grain dryer with low fuel consumption and environmentallyf friendly.

Summary of the technology

Our grain dryer has greater throughput compared to conventional dryers and at the same time, thanks to the use of our heat recuperation technology, consumes over 90% less fuel per unit of a dried product than conventional dryers. Accordingly, the new dryer generates significantly less greenhouse gases.


For example, a conventional dryer requires approximately 20 cubic meters of natural gas to dry 1 MT of grain. Due to the efficient thermal energy recuperation the hot air carrying the water vapor is exposed to a special thermodynamic cycle resulting in its temperature growth and is returned to the beginning of the process for drying the next grain portion. This dryer consumes 1.2 cubic meters of gas per 1 MT of grain ONLY. Accordingly, a conventional dryer emits 31 kg of CO2 into the atmosphere per 1 MT of grain while our dryer emits 1.4 kg of CO2 per 1 MT ton of grain ONLY. It means that gas consumption is reduced by ~95%.


To estimate the economic consequences of the new technology, let us consider how much gas, energy, and money savings can bring using this technology if applied to the drying only wheat only by Germany. Germany produces about 21 million tons of wheat annually.


With the present gas price ~USD 310 per 1,000 cubic meters it saves ~USD 122 million countrywide, annually.

The reduction in the amount of CO2 emitted into the atmosphere will be 621,000 tons per year. It also has some a monetary value. To estimate we have selected typical cost normally used in U.S.A. (USD 19/MT although in UK it is £50/MT). It gives ~USD 7.5 million. The monetary

equivalent of CO2 emissions involves assigning a price to carbon emissions to account for the environmental damage they cause. It reveals the social and environmental effects contributed by the new technology.
The worldwide wheat production is over 800 million MT which indicates the huge potential market size for the technology while corn, soybeans, and other grains multiple this figure.

The profitability of this business is almost obvious due to enormous cost reduction and extremely short investment return period (normally about one year). It will make purchasing the new equipment and technology attractive for potential customers.

Green Heat technology

Intellectual property status

Not Protected

Current development status

Laboratory prototypes

Desired business relationship

Technology selling

Patent licensing

Joint ventures

Technology development

Related Keywords

  • Energy Technology
  • Rational use of energy
  • Process optimisation, waste heat utilisation
  • Energy efficiency
  • Agriculture and Marine Resources
  • Agriculture
  • Agriculture Machinery / Technology
  • Agrofood Industry
  • Technologies for the food industry
  • Food Additives/Ingredients/Functional Food

About Green Heat technology

We are an international team of scientists, engineers, and entrepreneurs working in the field of heat supply to enterprises. We have extensive experience working in different countries and have our own patented technologies for using low-grade heat in technological processes that produce this heat.

Viktor Honcharov

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