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| Structure and classification of chemical equipment | | Publisher： Click：2057 | | 1. Basic structure: Some of the equipment used in chemical factories is used to store materials, such as various storage tanks, measuring tanks, and high-level tanks; Some are used for physical treatment of materials, such as heat exchangers, distillation towers, etc; Some are used for chemical reactions, such as polymerization kettles, reactors, synthesis towers, etc. Although these devices have different functions, varying shapes and structures, varying sizes, and diverse internal components, they all have a shell called a chemical container. So chemical containers are the general term for the external shells of equipment used in chemical production. Due to the high pressure of the medium in chemical production, the pain in chemical containers is often caused by pressure vessels. Chemical containers are generally composed of cylinders, heads, supports, flanges, and various openings. 2. Classification: 1) According to pressure level, internal pressure vessels and external pressure vessels; 2) According to the principles and functions, it can be divided into reaction vessels, heat exchange vessels, separation vessels, and storage vessels. |
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