Tube bundle assembly rapid pressure test device

Abstract

The invention discloses a tube bundle assembly rapid pressure test device, which comprises sealing covers including a first sealing cover and a second sealing cover, and is characterized in that the first sealing cover and the second sealing cover are respectively provided with an annular check ring, a profiling cavity matched with a tube plate at the end part of a tube bundle assembly is definedin each annular check ring, and a sealing ring is arranged in each profiling cavity; the first sealing cover is connected with a first guide pipe, and the second sealing cover is connected with a second guide pipe; and the driving assembly is used for driving the first sealing cover and / or the second sealing cover, so that the first sealing cover and the second sealing cover are close to or separated from each other. According to the pressure test device, a pressure test can be carried out on the tube bundle assembly, repair can be carried out conveniently if leakage of a tube plate connectoris found at the moment, meanwhile, the tube bundle assembly is subjected to mechanical sealing, the pressure test is completed, sealing and dismounting can be rapidly achieved, the welding and machining workload is omitted, and the working efficiency of the pressure test is greatly improved.

Description

technical field [0001] The invention is used in the field of pressure test equipment, and in particular relates to a rapid pressure test device for a tube bundle assembly. Background technique [0002] Shell-and-tube heat exchanger is a heat exchange equipment widely used in industrial production, and it is a pressure vessel commonly used in chemical industry, energy, shipbuilding and other fields. [0003] Pressure test (such as hydrostatic test, air pressure test, helium leak test, air tightness test, etc.) is an important inspection process of pressure vessels, which is used to comprehensively verify the pressure bearing strength, sealing, stability and safety of the vessel. Generally, after the main welding, heat treatment and processing work of the pressure vessel is completed, the pressure test is carried out when the vessel is close to completion. The tube-tube-sheet joint of the shell-and-tube heat exchanger is the weakest position on the pressure-bearing boundary, ...

AI Technical Summary

Problems solved by technology

If the small heat exchanger is also near completion (such as figure 1 Shown) to carry out the pressure test. At this time, when the tube-tube-sheet joint is found to leak, it is extremely difficult or even impossible to repair due to the limited space.

[0004] In general, when a pressure vessel is subjected to a pressure test, it is necessary to weld the sealing end caps on each connecting pipe to form a complete pressure boundary. After the pressure test is completed, the welded sealing end caps are processed and removed. large, inefficient

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