Dome bulk storage is a kind of storehouse that is used for storing coal in thermal power plants. Dome coal storage yard is an environment-friendly coal storage mode, which is characterized by full closure, beautiful appearance, no pollution, and is not affected by weather conditions. It is adopted in power plants, steel plant, port which are built around the cities. The closed circular coal yard and equipment, with advanced technology, and outstanding environmental protection performance, are commonly used in the world and have been operating for decades. Therefore, the safety and reliability of circular coal yards have been fully verified.