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Variable-buoyancy buoyancy tank and application thereof

A technology of buoyancy and buoyancy, which is applied in pipeline laying and maintenance, pipes/pipe joints/fittings, mechanical equipment, etc. It can solve the difficulty of long-distance pipe welding, the difficulty of entering large-scale crane ships, and high precision Require high-level problems to achieve the effect of ensuring welding quality, high precision, and convenient lifting

Active Publication Date: 2017-01-18
CHINA UNIV OF MINING & TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] In view of the above-mentioned analysis, the present invention aims to provide a buoyancy variable buoyancy tank and its application to solve the real-time control of the buoyancy of the buoyancy tank, and due to the limitation of the inland water system, it is difficult for large cranes to enter the site, and the required There are many ships and long-distance pipelines are difficult to tailor and weld on the water, and the accuracy of the plane position and elevation is required to be high during the overall sinking construction.

Method used

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  • Variable-buoyancy buoyancy tank and application thereof
  • Variable-buoyancy buoyancy tank and application thereof
  • Variable-buoyancy buoyancy tank and application thereof

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Embodiment Construction

[0061] Preferred embodiments of the present invention will be specifically described below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the application and are used together with the embodiments of the present invention to explain the principles of the present invention.

[0062] A buoyancy variable buoyancy tank, the buoyancy variable buoyancy tank comprises: a shell 1, an exhaust valve 2, and a water inlet valve 3;

[0063] The main body of the shell 1 is a steel pipe, the two ends of the shell 1 are hemispherical heads, and the cylindrical tube and the hemispherical head are sealed and connected by welding;

[0064] The interior of the shell 1 is divided into five mutually sealed chambers along the axial direction of the shell 1 through the compartment steel plate: the middle chamber is the main chamber 4, the two chambers at both ends are the second hydraulic chamber 6, and the remaining two The chambers are the seco...

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Abstract

The invention relates to a variable-buoyancy buoyancy tank and application thereof. The variable-buoyancy buoyancy tank comprises a shell, exhaust valves and water inlet valves, and is provided with a first main bin, two first water pressure bins and two second water pressure bins, and the buoyancy of the buoyancy tank is adjusted through the exhaust valves and the water inlet valves; and the variable-buoyancy buoyancy tank can be utilized for completing splicing and sinking of long-distance pipelines. According to the variable-buoyancy buoyancy tank and application thereof, the buoyancy magnitude can be controlled in real time, and the variable-buoyancy buoyancy tank is multifunctional and particularly suitable for construction of pipelines in water conservancy projects; and by adoption of a pipeline sinking method, the construction process is simple, the safety performance is high, required ships are few, the adjustability is high, and control is convenient.

Description

technical field [0001] The invention relates to the technical field of buoyancy tanks and pipeline sinking, in particular to a buoyancy-variable buoyancy tank and its application. Background technique [0002] With the development of science and technology and the improvement of people's living standards, more and more projects are being built to benefit the people, which greatly promotes economic development and facilitates people's lives. In the existing technology, the overall construction plan and process system design plan of the cross-river pipeline must ensure the piling control accuracy during the construction process, the installation accuracy of underwater steel structures, and the overall sinking accuracy of the pipeline. The laying of the Hanoi water pipeline is especially The construction of large-diameter and long-distance water pipelines consumes a lot of manpower, material resources, and financial resources, and it is necessary to ensure that nothing goes wro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L1/24
CPCF16L1/24
Inventor 丁北斗韩立军刘成
Owner CHINA UNIV OF MINING & TECH
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