Application
Tube Sheet is mainly used in chemical vessels, to support the role of fixed tube has a great heat transfer performance is widely used in Shell And Tube Heat Exchanger, boiler, Pressure Vessel, large central air conditioning and other industries. In the inspection process of the tube plate, the main inspection index is the hole position, hole diameter tolerance, hole finish.
Introduction
A tube plate is a fitting drilled in a circular steel plate that is slightly larger than the outer diameter of the tube, which is then threaded in and welded to hold the tube in place. In the calculation of the fixed tube plate, according to various working conditions, the axial stress of the shell is calculated, the axial stress of the Heat Exchanger Tube and the pull-off force between the heat Exchanger Tube and the tube plate, there is a failure to meet the conditions of strength (or stability), then it is necessary to use expansion joints.
Tube plate is the most important part of the heat exchanger, its basic purpose is to separate the tube side and shell side of the fluid, followed by the tube and tie rod to provide a fixed support point, incidentally, also support the tube process partition plate.
Advantages
As a metal tube sheet, it has a very strong rigidity, but also in the performance of heat transfer has a very good performance. In order to better play the value of the tube plate, the user should choose different materials according to the use of different environments, such as encountering strong acid, corrosive or high-pressure environment, the general choice of stainless steel plate better. With the progress of science and technology now, researchers also use new synthetic materials to form new pipe plate, bringing new life to the pipe plate products.
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