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Pipe mounting structure and method for preventing main pipe in ship pipe tunnel from bending

A technology for pipe installation and management, applied in the direction of pipes, pipes/pipe joints/pipe fittings, ships, etc., can solve the problems of troublesome tee connection, prone to bending, occupying passages, etc., to reduce labor intensity, reduce bending, and reduce passages occupied effect

Active Publication Date: 2020-11-06
CHENGXI SHIPYARD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the ballast main pipe in the prior art still has the following disadvantages: the connection between the ballast main pipe and the tee on the branch pipeline in the pipe is troublesome, and it is prone to bending
[0004] In view of the above problems, it is necessary to propose a new solution to avoid the problem of the main pipe being bent in the pipe lane and occupying the channel due to the bending, and to facilitate the installation of the pipe

Method used

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  • Pipe mounting structure and method for preventing main pipe in ship pipe tunnel from bending
  • Pipe mounting structure and method for preventing main pipe in ship pipe tunnel from bending

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as Figures 1 to 2 Shown is an embodiment of a pipe installation structure and installation method for avoiding bending of the main pipe in the ship pipe of the present invention, including a horizontal pipe 1 arranged on the hull, and a main pipe vertically passing through the pipe 1 along the horizontal direction 2. On the main pipe 2, a tee pipe 3 is connected in series inside the pipe lane 1, and the tee pipe 3 is sequentially connected with a branch pipeline composed of a number of bent pipes 4 and straight pipes 5 6. An inlet hole 7 is provided on the side wall of the pipe lane 1 and at a position next to the main pipe 2, and a pair of parallel track 8, the caliber of the inlet hole 7 is set to pass through the largest piece in the branch pipeline 6; the tee pipe 3 includes a galvanized thickened steel pipe for series connection on the main pipe 9. Connect the sub-pipe 10 of the galvanized thickened steel pipe 9, the inner hole of the galvanized thickened st...

Embodiment 2

[0041] An installation method using the installation structure of the ship's pipes in Embodiment 1, comprising the following steps in turn:

[0042](1) In the stage of ship section production, the inlet hole 7 is excavated on the side wall of the pipe lane 1, and the installation holes for the main pipe 2 are respectively excavated on the front and rear side walls of the pipe lane 1. And a pair of parallel rails 8 are arranged at the position of the inlet hole 7;

[0043] (2) In the general assembly stage of the ship, a pair of parallel rails 8 and a moving plate arranged on the parallel rails 8 are used to transport the parts of the branch pipeline 6 used to connect the main pipe 2 into the pipe lane 1; wherein, the branch pipeline 6 Parts include a galvanized thickened steel pipe 9 connected to the main pipe 2;

[0044] (3) Vacuumize the annular air belt 12 arranged in the galvanized thickened steel pipe 9 through the air nozzle 13, so that the annular air belt 12 shrinks a...

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Abstract

The invention discloses a pipe mounting structure and method for preventing a main pipe in a ship pipe tunnel from being bent. The pipe mounting structure comprises a horizontal pipe tunnel arranged on a ship body and a main pipe vertically penetrating through the pipe tunnel in the horizontal direction. A three-way pipe is connected in series inside the pipe tunnel on the main pipe; a branch pipeline composed of a plurality of bent pipes and straight pipes is sequentially connected with the three-way pipe, an object inlet hole is formed in the position, beside the main pipe, of the side wallof the pipe tunnel, a parallel rail is arranged in the pipe tunnel and located at the position of the object inlet hole, and the caliber of the object inlet hole is set to be the largest part in the branch pipeline; the three-way pipe comprises a galvanized thickened steel pipe connected with the main pipe in series and branch pipes communicating with the galvanized thickened steel pipe. An innerhole of the galvanized thickened steel pipe is sleeved with the main pipe, and series connection of the galvanized thickened steel pipe and the main pipe is achieved through welding connection. Butt welding of the main pipe in the pipe tunnel and the three-way pipe on the branch pipeline is facilitated, and the defect that the main pipe is prone to bending in the pipe tunnel is overcome.

Description

technical field [0001] The invention relates to the technical field of ship design and installation, in particular to a pipe installation structure and installation method for avoiding bending of a main pipe in a ship pipe. Background technique [0002] The tube lanes of a 70,000-ton wood chip ship are small-opening double-tube lanes, which are designed to be upgraded on the basis of the mother ship. The original design ballast main pipe is φ318.5mm×δ17.4mm steel pipe, the suction branch pipe is φ267.4mm×δ15.1mm steel pipe, only 3# cargo hold is storm ballast tank, and the storm ballast pipe is φ318.5mm×δ17.4mm for the main pipe Steel Pipe. The ballast main pipe is currently designed to be φ426mm×δ13mm steel pipe, the suction branch pipe is φ323.1mm×δ9.8mm steel pipe, 1#, 3#, and 5# cargo tanks are all storm ballast tanks, and the storm ballast pipe and the main pipe are φ426mm×δ13mm steel pipe. [0003] One ballast main pipe (φ426mm×δ13mm steel pipe) should be arranged on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B73/20F16L5/00
CPCB63B73/20F16L5/00
Inventor 李运动唐晨雷小芬周迓若
Owner CHENGXI SHIPYARD