Diamond wire saw cutting machine for underwater vertical pipe

A diamond wire saw and cutting machine technology, applied in stone processing tools, stone processing equipment, work accessories, etc., can solve the problems of pipeline damage, large loss, urgent pipeline, etc., to achieve high adaptability, increased bottom area, overall well-structured effect

Active Publication Date: 2018-01-16
HARBIN ENG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Because ocean pipelines have been in a complex environment of high temperature and high pressure for a long time, they are corroded by the transportation of oil and gas and other harmful gases. If there is a large impact, many pipelines are at risk of damage, and once there is a problem with the ocean pipeline, the loss will be great, so the repair of the pipeline is an urgent matter

Method used

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  • Diamond wire saw cutting machine for underwater vertical pipe
  • Diamond wire saw cutting machine for underwater vertical pipe
  • Diamond wire saw cutting machine for underwater vertical pipe

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Experimental program
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Embodiment Construction

[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] combine Figure 1 to Figure 6 , the present invention is mainly used in the cutting work of marine risers, and is used for the recovery or maintenance of offshore platforms and the like. The diamond wire saw machine is mainly composed of a cutting device 1, a feeding device 2, a clamping device 3, a guiding device 5 and a tensioning device 6 connected to the main frame 4 to form a whole, and each device cooperates with each other to realize the cutting of the marine riser .

[0025] The present invention is mainly composed of a cutting device 1 , a feeding device 2 , a clamping device 3 , a tensioning device 6 , a guiding device 5 and a main body frame 4 . The main frame is vertically designed and installed vertically. The cutting device 1, the feeding device 2 and the clamping device 3 are compactly installed on the main fra...

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PUM

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Abstract

The invention provides a diamond wire saw cutting machine for an underwater vertical pipe. The diamond wire saw cutting machine is composed of a cutting device, a feeding device, a clamping device, atensioning device, a guide device and a main body frame. The main body frame is of vertical design and vertical installation, the cutting device, the feeding device and the clamping device are compactly installed on the main body frame, and the tensioning device and a rope control guide device are installed on the feeding device. The feeding device and the clamping device are in a parallel installation manner on the main body frame, and the clamping device is nested and installed in the middle of the feeding device, the rope control guide device controls the direction of a diamond string beadwire, to ensure that the string bead wire and the clamping device do not interact with each other during the cutting operation. The diamond wire saw cutting machine is used for cutting of the underwater composite vertical pipe or a jacket pile foundation of an abandoned platform, and operations such as the recovery or maintenance of the underwater composite vertical pipe and the dismantling of theabandoned platform can be implemented.

Description

technical field [0001] The invention relates to an underwater riser diamond wire saw cutting machine, which belongs to the technical field of marine engineering. Background technique [0002] my country has a vast ocean area, and offshore oil and gas resources account for a large proportion of my country's energy supply, which is one of the important forms of marine economy. In recent years, my country's oil and gas development and utilization activities have greatly increased, and ocean pipelines are important transportation channels for the development and utilization of offshore oil and gas. Marine pipelines can be classified into single-wall pipelines, pipe-in-pipe pipelines and cluster pipelines according to the structural classification of pipeline cross-sections. The components of the pipeline are reinforced concrete weight layer, foam insulation layer, polyethylene anti-corrosion coating, anti-corrosion paint layer and steel pipe layer from outside to inside. Becau...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28D1/08B28D7/00B28D7/04
Inventor 张岚刘明孟永红高生辉张光丽王立权
Owner HARBIN ENG UNIV
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