1. How to classify the finned tube of finned tube heat exchangers? In terms of structural form, finned tubes can be divided into two basic types, longitudinal and radial, and the other forms are the development...
1. What are the basic types of air coolers? The basic types of air coolers are: horizontal air coolers, vertical air coolers, inclined air coolers. 2. How to classify air coolers according...
1. What is a wet air cooler? If the structure of the air cooler is slightly improved and a small amount of water is sprayed on the surface of the fins, water evaporation can play a role in enhancing heat...
The pressure test of heat exchanger includes hydraulic test and pneumatic test. In principle, the pressure test should be mainly hydraulic test. It is often called hydro-static test when...
1. How to compare the heat exchange equipment indicators? Different types of heat exchange equipment are compared from the following aspects: high efficiency, compact structure, material saving,...
1. If the hot fluid is inside the tube while the cold fluid is outside, how do the two fluid transfer heat through the wall? It includes the following three processes: (1) Heat is transferred to...
1. What is the test pressure? The test pressure is the pressure at the top of the tube pass and shell pass during the pressure test. 2. What is the design temperature? Design temperature refers to the...
1. What is the tube pass and shell pass of the heat exchanger ? The tube pass is the part of the heat transfer tube channel through which medium flows and passes that connects one another. The shell pass...
1. What is the nominal diameter of heat exchangers? The heat exchanger of the coiled cylinder takes the inner diameter of the cylinder as the nominal diameter (DN), and the heat exchanger of the steel...