Аннотация
Cotton is one of the most valuable raw materials for the production of industrial and food products.Therefore modernization of processing of cotton is extremely important for development of economy of Kazakhstan.According to the state program for Agricultural Development of the Republic of Kazakhstan, in 2017-2021 to 2021 the acreage of cotton in the South Kazakhstan region should increase by 100 thousand tons.Ha, yieldup to 30 cents/ha and production of cotton up to 300 thousand tons./year.Therefore, experimental and theoretical studies of cotton drying are of actual importance.