A simple rice dryer is a relatively straightforward and low-cost device designed for drying rice, typically used by small-scale farms or household farmers to meet basic drying needs.

A vertical grain dryer is a drying device designed in a vertical orientation. Typically constructed from metal or plastic, it features ventilation holes allowing air to flow through the grains.

A vertical paddy dryer is a type of equipment used for drying paddy rice. It features a vertical design where the paddy is fed from the top, passing through multiple drying layers as it descends, coming into full contact with hot air to achieve uniform drying. 

A batch grain dryer is a type of equipment used for drying grains. It processes a set amount of grain in one complete drying cycle before proceeding to the next batch.

A circulating grain dryer is a type of equipment used for drying grains by repeatedly processing them to reduce their moisture content. This dryer uses a circulation system to continuously pass hot air through the grain layers

Commercial grain dryer are specialized equipment designed for the drying of grains. They can efficiently remove moisture from freshly harvested grains to ensure that the grains reach a safe moisture level before storage, thus preventing losses due to mold, germination, and pests.

A spent grain dryer is a specialized device used for drying spent grains. Spent grains are typically by-products produced during the brewing of beer, ethanol production, or other agricultural processes.

A sesame seed dryer is a specialized piece of equipment designed to reduce the moisture content in sesame seeds. The purpose is to extend the shelf life of sesame seeds, prevent mold and spoilage, while maintaining their nutritional value and flavor.

A lentil dryer is a piece of equipment specifically designed for the dehydration of lentils. After harvesting, lentils typically have a high moisture content that needs to be reduced through drying to facilitate storage and transportation while preserving their quality and nutritional value.

A coffee bean dryer is a specialized device used for drying coffee beans. By using various heating methods, the coffee bean dryer causes physical and chemical changes in the beans at high temperatures, producing the unique flavor and aroma of coffee.