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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...
The heat exchanger has high heat transfer efficiency, small size, light weight, low fouling coefficient, convenient assembly, a wide range of plates and a wide range of applications, and is widely used in the heating industry. Plate heat exchanger can be divided into removable type, welded type, brazed type, plate shell type, etc. acco...
Due to the epidemic this year and relatively many orders in the workshop, we have been working overtime and busy shipping. This year’s expansion has been postponed to November. Taking advantage of the opportunity to install new vehicles in the workshop, our annual expansion finally started on November 22! 1. Expansion trip mobili...
Tomorrow is the Mid-Autumn Festival and National Day holiday. First of all, I wish all new and old customers, gold partners, high-quality suppliers, and Qingli family: Celebrating both festivals, happy and healthy. 1. Ending Jin Jiu Today, September 30, is the closing day of this golden nine. 1. Yesterday on the 29th, in order...
1. Exhibition background The 17th 2020 Asia Thermal Energy Expo (referred to as the Thermal Expo) with the theme of “clean heating, smart heating, energy saving and high efficiency” was grandly exhibited at the Canton Fair Complex from August 16th to 18th. The purpose of this exhibition is to provide a business platform fo...
“my country is a big manufacturing country. Central China, represented by Hubei, and surrounding provinces gather a number of characteristic manufacturing clusters. Affected by the epidemic, the manufacturing industry is facing many challenges such as labor shortages, weak demand, and shrinking trade.” Source: People’...
First, the principle of air preheater The above is the official explanation of Encyclopedia. In layman’s terms, the heat of the boiler exhaust gas is heated by the heat exchanger to the fresh air, and the hot air can be used as the boiler to support combustion or dry materials, etc.; On the one hand, the temperature of the flue g...
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