Deck penetration piece for ship pipe and penetration method

Abstract

The invention discloses a deck penetration piece for a ship pipe, which includes a penetration steel pipe, a flange, a sleeve and a web, wherein the sleeve is mounted and fixed on the penetration steel pipe in a sleeving manner, an air thermal insulation layer with uniform thickness is arranged between the sleeve and the penetration steel pipe, and the deck penetration piece is plated with corrosion-resisting nonferrous metal. The invention provides a penetration method of the deck penetration piece for the ship pipe, and the method comprises the steps as follows: (1) the deck penetration piece is manufactured, the sleeve is arranged at the middle part of the penetration steel pipe in a sleeving manner and is positioned through spot welding, the flange is welded, and the deck penetration piece is wholly plated with corrosion-resisting nonferrous metal; and (2) the deck penetration piece is mounted, a line is drawn on a deck and a hole is formed, the axis of the deck penetration piece is perpendicular to a corresponding hull reference plane, the deck penetration piece is completely welded with upper and lower sides of the web firstly, and then the web is completely welded with the hole formed on the deck. According to the invention, the deck penetration piece is provided with a simple structure and is convenient to manufacture. The penetration method provided by the invention does not damage the plating layer on the inner wall of the penetration steel pipe, and the attractive effect of horizontal-vertical connection between the deck penetration piece and the ship pipe can be achieved.

Description

technical field [0001] The invention relates to a ship pipeline accessory, in particular to a through-cabin used to pass through a beam-arch deck, and also relates to a method for installing the through-cabin, which belongs to the technical field of ship building. Background technique [0002] Ship pipelines are used to transport ballast water, fire fighting water, cooling water, fresh water, fuel oil, lubricating oil, air and other fluids required by ships. Ship pipelines are an important link in the process of ship design and construction. Due to the strong corrosion effect of seawater on steel pipes, ship pipelines used to transport seawater media usually require galvanizing on the inner and outer walls of the pipeline. When the ship's pipeline passes through the deck or the bulkhead, it needs to use the pipeline through-cabin for connection. For the through-cabin used for the galvanized pipeline passing through the beam-arch deck, it is necessary to ensure that the throu...

AI Technical Summary

Problems solved by technology

[0003] At present, the deck openings used on ships are all standard common openings. When such openings are installed on decks with beam arches, the gap between the web and the deck is not uniform, and the welding quality is difficult. Guarantee; ordinary tank parts are not perpendicular to the ship's datum plane, causing the connecting parts of the pipeline connected to it to be not perpendicular to the pipeline, and the pipeline connected to it needs to be prepared on site; The horizontal and vertical aesthetic effect cannot be achieved after connection and installation

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