Chemical equipment is a part of chemical machinery, chemical machinery includes two parts, the first is chemical machinery, mainly refers to such as fluid conveying fans, compressors, pumps and other equipment, its main components are moving machinery, commonly known as chemical machinery. The second is chemical equipment mainly refers to the parts are static machinery, such as tower separation equipment, containers, reactor equipment, sometimes also known as non-standard equipment. The division of chemical machinery and other machinery is not very strict, such as some pumps used in the chemical process, but also the general equipment used in other industrial sectors. Similarly, there is no strict distinction between chemical machinery and equipment in the chemical process. For example, some reactors are often equipped with moving machines