Seafloor vacuum pipeline traffic system and pushing type laying method thereof

Abstract

The invention discloses a seafloor vacuum pipeline traffic system and a pushing type laying method thereof. The system comprises piers built on a seafloor, a pipeline is erected on the piers, the rearend of the pipeline is cooperatively connected with a pushing device and a welding platform, and welded pipelines are pushed to be extended forwards and laid section by section through the pushing device when construction is conducted; the middle of the seafloor vacuum pipeline is provided with a relay pushing station, the pipeline penetrates through the relay pushing station, the relay pushing station is arranged in an artificial island tower, and the front end of the first section pipeline is provided with a positioning guiding diving instrument; the method comprises the steps that a sealing plug is used for sealing a first section pipeline head to be placed into a pushing platform, the pipeline is tightly clamped by a pushing pipe clamp, and another section pipeline is welded to the welding platform; a pushing rod is started, and the pushing pipe clamp and the pipeline enter the sea and are moved forwards constantly until the shore at the other end of the sea is reached. The systemhas the advantages that it is ensured that there exists no bending in the laying process of the pipeline, the system is rapid, efficient and safe, and the engineering cost is low.

Description

technical field [0001] The invention belongs to the technical field of vacuum pipeline transportation and marine engineering, and in particular relates to a submarine vacuum pipeline transportation system and a push-push laying method thereof. Background technique [0002] In addition to being affected by air resistance, the future development of aircraft and automobiles will be restricted due to high energy consumption and large carbon emissions. Both high-speed railways and maglev trains are restricted by air resistance, aerodynamic noise, aerodynamic vibration, etc., and cannot further increase their speed. The vacuum tube high-speed transportation will overcome the above-mentioned shortcomings, and it is a transportation mode that can reach ultra-high speed, has low energy consumption, and has little environmental impact. It is expected to fundamentally solve various difficulties faced by human transportation. Vacuum pipeline transportation consists of pipelines, magne...

AI Technical Summary

Problems solved by technology

The vacuum pipeline has a large diameter (about 2-5m) and high rigidity, and must have good straightness. Regardless of the construction process or the operation process, the pipeline is not allowed to bend, so it is not suitable for such as oil and gas pipelines directly in the sea. It is also not possible to use a construction method that allows the pipeline to bend to a certain extent, such as the S-shaped submarine oil pipeline.

[0006] If a construction method similar to an immersed tube tunnel is adopted, the subsea pipeline is laid in sections, and then the pipe sections are connected, the fastening and sealing treatment must be carried out underwater, the construction is difficult, the progress is slow, and the project cost is high

Images