The large tower grain dryer is designed for large grain corporations. It can process hundreds of grains per day. Compared with tradtional grain dryer, twesix grain drying equipment can be choosed to be powered by heat pumps. rice husk, biomass granule,diesel coil oil,steam and natural gas.In this page, we mainly introduce the grain dryer machine powered by heat pump. With air source heat pump drying technology,1kw can produce 3 to 5 kw heat, it can save 80% energy than powered by oil, and 50% than coal.Powered by heat pump is friendly to our environment without any pollution.