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Sea chest device suitable for arctic navigation vessel

A technology for submarine doors and ships, which is applied in the direction of pipelines, hulls, and ship parts for emptying/ballasting, and can solve problems such as ship shutdown and suspension

Active Publication Date: 2016-12-07
NANTONG COSCO KHI SHIP ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In severe cases, it may cause the ship to stop and suspend

Method used

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  • Sea chest device suitable for arctic navigation vessel
  • Sea chest device suitable for arctic navigation vessel
  • Sea chest device suitable for arctic navigation vessel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as figure 1 As shown, the submarine door device disclosed by the present invention is suitable for polar navigation ships, and can be arranged at a certain distance below the ballast waterline of the lowest ice area on the side of the hull, and at an appropriate position between the side bilge and the bottom of the centerline of the hull. It includes a storage bin 1, the lower end of the storage bin 1 is provided with a seawater suction port, and a ship side filter plate 2 is installed outside the suction port, and the filter plate 2 can be a grid or a plate with holes. A steam pipe 3 is arranged near the filter plate 2. The steam pipe 3 is arranged along the filter plate 2. A certain number of holes are opened on the steam pipe 3 at the grille of the filter plate 2 to release steam to blow off floating ice or marine organisms. Wait.

[0026] The storage bin 1 adopts a variable section design, and the upper section is smaller than the lower section. Using the prin...

Embodiment 2

[0031] The second embodiment is as image 3 As shown, the steam pipe in the storage bin 1 is arranged along the side wall, and the mouth of the steam pipe faces the filter plate 2 at the same time, so as to blow off crushed ice or marine organisms. This method is convenient for opening the filter plate 2 during later docking repairs, and entering into the interior of the seabed door for inspection and maintenance. The overboard discharge pipe 9 is provided with a steam heating pipe 13 near the contact with the outer plate to melt or blow off crushed ice to ensure that the seawater is discharged smoothly.

[0032] The flow of sea water or steam is shown as Figure 4 shown.

Embodiment 3

[0034] The third embodiment is as Figure 5 As shown, the storage bin 1 and the seawater compartment 5 are combined and arranged. Comprising a storage bin 1, the lower end of the storage bin 1 is a seawater suction port, and a ship side filter plate 2 is installed outside the suction port, and the filter plate 2 can be a grid or a plate with holes. A steam pipe 3 arranged along the side wall is arranged near the filter plate 2 to release steam to blow off crushed ice or marine organisms and the like. The storage bin 1 adopts a variable section design, and the upper section is smaller than the lower section. Using the principle that the density of ice is lower than that of seawater, floating ice accumulates on the upper part of the storage bin, forming a stratification of seawater and ice. The first ventilation pipe 4 is installed on the storage bin, and the first ventilation pipe 4 extends above the deck. The head of the ventilation pipe can be equipped with a heating device ...

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Abstract

The invention discloses a sea chest device suitable for an arctic navigation vessel of which the structure can be arranged at a proper position from broadside bilge to the center line of the bottom of the vessel. The sea chest device comprises an ice storing tank, and an ice and water separating structure for separating ice from seawater, wherein filters are arranged between the ice storing tank and a seawater partition; the seawater partition is connected with a suction of a cooling seawater pump; the seawater partition is provided with a vent pipe; and the vent pipe and a shut off valve are directly connected to the broadside. Before being drained outboard through an outboard drainage pipe, a part of the heated seawater can recurrently flow to the seawater partition and the ice storing tank for melting floating ice. Measures are provided by the seawater partition, the ice storing tank, the broadside valve and the components to prevent freezing. According to the sea chest device disclosed by the invention, trash ice can be separated from the seawater, so that the situation that a sea chest is blocked by the ice, the working of each seawater system is influenced, and a main engine fails and the vessel is suspended, is avoided.

Description

technical field [0001] The invention relates to a ship suitable for polar voyages, in particular to a seabed door device suitable for polar voyages. Background technique [0002] In recent years, with global warming, the Arctic ice has gradually melted. Since the voyage of the polar waterway has been greatly shortened compared with the conventional Suez Canal waterway, the international community has paid more and more attention to the development of the polar region, and polar-strengthened ships have become a hot spot. Mastering the design and construction technology of polar navigation ships is of great significance for the development of polar waterways. [0003] Compared with conventional ships, polar sailing ships need to have comprehensive anti-freeze and anti-ice capabilities, and there are many special requirements in terms of hull structure, power system, deck equipment, piping and other supporting equipment. [0004] The antifreeze requirements of ships under wate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B13/00
CPCB63B13/00
Inventor 葛沛刘灿波蔡智波
Owner NANTONG COSCO KHI SHIP ENG
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