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Submarine pipeline cutting equipment

A technology for cutting equipment and submarine pipelines, which is applied in the direction of metal sawing equipment, metal processing equipment, feeding devices, etc., can solve the problems of pollution sources, high technical content, long engineering time, etc., to ensure stability and reliability, contact area Great, easy-to-operate effect

Inactive Publication Date: 2015-07-22
HARBIN ENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The project has high modern technology content, complex operation process, extensive professional fields, long project time and is restricted by various factors such as economy, technology, safety and environmental protection. It is a very dangerous project. It cannot be equated with a simple reverse operation during the installation and construction process. In addition, the project itself is also a potential source of pollution for the marine environment. Once an accident occurs, it will cause huge losses

Method used

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  • Submarine pipeline cutting equipment
  • Submarine pipeline cutting equipment
  • Submarine pipeline cutting equipment

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Embodiment Construction

[0016] The present invention is described in more detail below in conjunction with accompanying drawing example:

[0017] combine Figure 1~4 , the present invention mainly includes a supporting platform 1, a working platform 2, a feeding guide 3, a cutter suction mud system 4 and a cutting system 5 and other components. Before cutting the pipeline, first connect with the hoisting device 15 of the cutting equipment through the hoisting device, lower the equipment to a predetermined position on the seabed, and fix the equipment on the seabed by the suction anchor 13; then start the hydraulic control system, Control the posture adjustment hydraulic cylinder 12 on the support platform 1 to adjust the working platform 2 to a suitable posture to prepare for the cutting operation; then, make the feeding hydraulic cylinder 21 on the working platform 2 start to work, and push the feeding guide device 3 , together with the cutter suction mud system 4 and the cutting system 5 on it, mo...

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Abstract

The invention aims at providing submarine pipeline cutting equipment. The submarine pipeline cutting equipment mainly comprises a supporting platform, a work platform, a feed guiding device, a mud cutter-suction system, a cutting system and the like. The mud cutter-suction system and the cutting system are arranged in a cylindrical protection cover, in the use process, the equipment is hoisted by a hoisting device on a mother ship and lowered to the position nearby facilities to be cut, and the facilities comprise ocean abandoned buildings, submarine pipelines, ocean platform guide pipe frame pile foundations, well mouth manifolds and other submarine oil and gas facilities. The submarine pipeline cutting equipment is flexible to operate in the work process, is not limited by structural styles or material compositions or postures of objects to be cut, and is an ideal, novel, efficient and environment-friendly underwater cutting machine tool.

Description

technical field [0001] The invention relates to a cutting device, in particular to an underwater cutting device. Background technique [0002] With the rapid growth of the world economy today, onshore oil and gas resources are becoming increasingly scarce. In order to seek and develop new energy sources, countries all over the world are focusing on offshore oil and gas resources. my country has a vast sea area, and offshore oil and gas resources, as one of the important forms of marine economy, have become an important part of my country's energy supply. Offshore oil and gas development is being carried out in the East China Sea, South China Sea and other waters. In the process of oil and gas development, people are no longer satisfied with the initial level of the traditional marine industry, and all countries have accelerated the pace of further development of marine resources. Since the 1960s, the development of offshore oil has entered a climax, and thousands of jacke...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D57/00B23Q5/40E02F3/92
Inventor 张岚刘磊王立权
Owner HARBIN ENG UNIV