A permanent magnetic positioning emergency sealing device based on leakage of pressure vessel fillet welds

Abstract

The invention relates to a permanent magnetism positioning emergency plugging device based on pressure vessel fillet weld leakage, and belongs to the pipeline engineering field; the permanent magnetism positioning emergency plugging device based on pressure vessel fillet weld leakage uses a strong magnet to fix the plugging device in a to-be-plugged position; a linkage can press a plugging assembly in the leakage portion; a spring steel bar composite rubber layer and seal rubber layer deformation plugging mode can plug the large radian or surface variable leakage portion; the permanent magnetism positioning emergency plugging device based on pressure vessel fillet weld leakage comprises a strong magnetic mechanism, the linkage and the plugging assembly; the linkage is arranged above the strong magnetic mechanism so as to form a four-connecting rod structure with the strong magnetic mechanism; the strong magnetic mechanism is hinged to a drive pull rod; the top of the drive pull rod is provided with a handle; the handle is respectively hinged to the drive pull rod and a third hinge; the plugging assembly is connected with a second hinge.

Description

technical field [0001] The invention relates to a permanent magnet positioning emergency plugging device based on the leakage of the fillet weld of a pressure vessel, belonging to the technical field of pipeline engineering. Background technique [0002] With the development and expansion of the scale of chemical production, the pressure of reaction equipment, storage equipment and pipelines continues to increase, and leakage accidents occur from time to time, causing casualties, environmental pollution and energy waste. Therefore, the emergency plugging of reaction equipment, storage equipment and pipelines It has become a very important link in the process of modern petrochemical production, storage and transportation. There is an urgent need for fast, effective and safe sealing equipment to implement emergency sealing of accident pipelines, so as to effectively control the source of danger and minimize its damage. Casualties, environmental pollution and energy waste cause...

AI Technical Summary

Problems solved by technology

[0003] Foreign plugging and emergency repair technology developed earlier, but with social development and technological progress, many professional pipeline plugging companies in my country have emerged as the times require, reaching the international advanced level. There is still a big gap in technologies such as plugging, emergency repair of pipeline breaks, and emergency repair of special media

[0004] The sealing technology can be divided into various forms according to the structural characteristics and operating principles of the equipment, mainly including hanging sealing, disc sealing, cylindrical sealing, folding sealing, baffle-bag sealing, and strong magnetic sealing. And freeze sealing, etc. Among them, the existing strong magnetic sealing uses the magnetic force of the permanent magnet to press the thin rubber pad on the leakage to achieve sealing. However, the leakage of the fillet weld between the storage tank and the pipeline is usually Sealing is achieved by completely covering and custom-made special fixtures. However, these sealing methods have poor adaptability, low sealing pressure, and long processing time. It is difficult to achieve emergency sealing of dangerous medium leakage.

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