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| Classification of chemical equipment | | Publisher： Click：1705 | | Chemical equipment can usually be divided into two categories: ① Chemical machinery. Refers to machinery whose main functional components are motion, such as various filters, crushers, centrifuges, rotary kilns, mixers, rotary dryers, and fluid conveying machinery Chemical equipment. Refers to machinery whose main functional components are stationary or have little movement, such as various containers (tanks, tanks, kettles, etc.), ordinary kilns, towers, reactors, heat exchangers, ordinary dryers, evaporators, reaction furnaces, electrolytic tanks, crystallization equipment, mass transfer equipment, adsorption equipment, fluidization equipment, ordinary separation equipment, and ion exchange equipment. The classification of chemical machinery is not strict. Some fluid conveying machinery (such as pumps, fans, and compressors) are often referred to as chemical machinery in the chemical industry, but they are also general machinery in various industrial production. The design and manufacturing of modern chemical equipment not only rely on the development of mechanical engineering and material engineering, but also closely related to the development of chemical processes and chemical engineering. The quality, output, and cost of chemical products largely depend on the completeness of chemical equipment, and the characteristics of chemical machinery must be able to adapt to the special conditions often encountered in chemical processes, such as high temperature, high pressure, high vacuum, ultra-low pressure, flammability, explosiveness, and strong corrosiveness. The modern chemical industry requires chemical machinery: ① to have safe and reliable continuous operation. ② Having sufficient mechanical strength under certain operating conditions (such as temperature, pressure, etc.) Has excellent corrosion resistance. ④ Good sealing performance. ⑤ High efficiency and low energy consumption. |
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