日韩精品在线一区二区_一区二区免费在线观看_在线一区观看_亚洲在线播放_久久九_在线日韩中文字幕

Grain dryer consists of four parts: heat source, fan, control system and drying tower. Fan is the heart of grain dryer. It mainly sends heat to the drying layer and carries out convective heat transfer with grain to separate moisture and grain. Therefore, the performance parameters of fan determine the drying efficiency, energy consumption and drying quality of grain dryer. The fan function affects……

In recent years, with the rapid development of grain dryer, the level of grain drying mechanization in China is increasing year by year, which accelerates the efficiency of grain drying, shortens the time of grain warehousing, and makes farmers no longer rely on the sky for food. "Timely drying and safe warehousing" is the last key link after the whole process of grain production mechaniz……

In the food industry, dryer has a pivotal role, and will play a greater advantage in the future. We have reason to believe that dryer enterprises have broad development space and will create more miracles for people's production and life.Drying has a long history. As early as in ancient times, people began to use natural conditions to dry materials. With the development of the times, they are gradu……

In recent years, we have made initial achievements in environmental protection, especially in the treatment and prevention of industrial pollution. But at the same time, the impact on some industries is inevitable. Taking the grain dryer industry as an example, the heat source part is an important part of the grain dryer, and the heat source of the traditional grain dryer is mainly coal. With the i……

Recently, the Ministry of Finance and the Ministry of agriculture and rural areas jointly issued the supplementary notice on the measures for the management of agricultural related transfer payment funds (cainong [2019] No. 98), which specifies that the implementation period of "agricultural machinery purchase subsidies" and other subsidies will be 2023. Before the expiration, the Ministr……