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Heat exchanger unit temperature control principle: 1. Automatic timing switch. Timing switch control can be realized according to time, date and different time periods. 2. The standby circulating pump and the heat exchanger are automatically switched at regular intervals. The circulating pump is switched regularly, and the fault of the...
Common problems of heat exchanger units and how to deal with them, some common problems may often be ignored. The most common and easily overlooked problems in the operation of plate heat exchanger units are summarized, and the treatment methods are summarized, which has certain reference significance for the designers and users of pla...
Detachable plate heat exchanger is a kind of heat exchanger with high heat exchange efficiency and compact structure, which has been used for decades. Detachable plate heat exchangers were originally mainly used in milk processing and processing. Because of their easy disassembly and assembly, and small size, they were soon widely used...
Shell and tube heat exchanger is a traditional and most widely used heat exchange equipment. Because it has a strong structure and can be made of various materials, it has strong adaptability and is especially widely used in high temperature, high pressure and large-scale installations. Shell and tube heat exchangers are composed of ma...
Numerical Analysis of Predeformation and Stress Characteristics of Prestressed Fixed Tube Sheet Heat Exchangers In order to implement the prestressed heat exchanger technology, a numerical study was carried out on the temperature difference stress and deformation distribution characteristics of the components in the fixed tube-sheet he...
1. When the required thickness of the steel plate is less than 8mm, the carbon steel plate should be used, and the low-alloy steel plate should be used when the thickness is greater than 8mm. 2. In the case of stiffness or structural design, choose carbon steel as much as possible; in case of strength design, choose carbon steel or low...
Brittle failure may occur in the pressure vessel at low temperature. Before brittle failure, the structure of the vessel does not appear or only local plastic deformation, and the vast majority of the vessel does not appear overall yield. The low temperature brittle fracture cracks are generally caused by material defects, manufact...
Classification of heat exchangers according to heat transfer principle Heat exchanger is a device that transfers part of the heat of hot fluid to cold fluid, also known as heat exchanger. Heat exchanger is a common equipment in chemical, petroleum, power, food and many other industrial sectors, which plays an important role in prod...
Numerical analysis of air-cooled straight finned tube heat exchanger Finned tube heat exchanger is widely used in refrigeration and air conditioning systems. As one of the key components, the performance and efficiency of heat exchanger is very important to the whole system. With the development of computational heat transfer, usin...
By adjusting the fin spacing of the heat exchanger, the fin spacing is designed to be variable, and the structure optimization is realized. The heat transfer performance is compared with the heat exchanger before the improvement, and the heat transfer coefficient of the heat exchanger is improved. This method is suitable for the heat...
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