Oil pipeline plugging device
A plugging device, oil pipeline technology, applied in the direction of pipe elements, pipes/pipe joints/pipe fittings, mechanical equipment, etc., can solve the problems of pipe instrument blockage, consumption of large resources, icicle melting, etc., to prevent accidents and reduce preparations Work, operation and use simple effects
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Embodiment 1
[0033] Such as Figure 1-3 As shown, an oil pipeline plugging device related to the present invention includes a plugging part, and the plugging part is assembled from a plurality of pluggable plugging parts, and the plugging parts are provided with A plug-in structure that cooperates with each other, and the plurality of plugging parts are connected through a set of plug-in structures that cooperate with each other. The side of the part is also provided with a rib-shaped sealant, and the side of the sealant close to the opening of the pipeline to be repaired is provided with a groove, and the sealing part between the baffle and the end opening is also provided with a In the interfitting plug-in structure, at least one side of the blocking part body parts extends outward along a direction forming a certain angle with the generatrix of the blocking part to form a flexible or elastic edge with elasticity or flexibility, The sealing part and the set flexible or elastic edge form...
Embodiment 2
[0046] Such as Figure 4-7 As shown, the present invention relates to a petroleum-soluble umbrella-shaped occluder, which includes a bolt-shaped sealing part made of petroleum-soluble materials, and the pressure-receiving part is cylindrical and contains an inner hollow part, a circular Cylindrical sealant composition. The plugging part, the pressure receiving part and the sealant are all made of petroleum-soluble materials. The plugging part moves toward the pressure-bearing part under the pressure generated in the pipeline, and the sealant is squeezed when moving. After the sealant is squeezed, it fills the small gap between the plugging part and the pressure-bearing part and the inner wall of the pipe, and connects the plugging part and the bearing The small gap between the edge of the pressure part and the inner wall of the pipe is tightly sealed. The plugging part is forced to move backward, and the screw-shaped protrusion designed by the bolt-shaped plugging part is st...
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