JPS61150894A - Connecting device for fixed piping between hull and tallet of tallet mooring vessel - Google Patents

Abstract

PURPOSE:To prevent joints from being twisted, by forming a plurality of circular grooves, concentrical with tallet, on the deck around the tallet, by furnishing each groove with a ring-shaped lid in such a way as slidable liquid-tightly, and by connecting the tallet side piping with the lid and the hull side piping with the grooves. CONSTITUTION:Circular grooves 10-15 are formed on the deck A' around a tallet 100 in such a way as concentrical with the tallet. The grooves are furnished with ring-shaped lids 20-25 in such a way as slidable liquid-tightly. The lids 20-25 are connected with the tallet side fixed pipings f1-f6, while the grooves 10-15 with the hull side fixed pipings F1-F6. This can prevent joints in the pipings from being damaged by twisting etc. likely to occur while the hull is turning.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a connection device for fixed piping between a hull and a turret in a turret mooring ship capable of turning around a turret inserted into a hull penetration port.

[Conventional technology]

Recently, turret muling vessels have been used to develop seabed resources at low cost and in a short period of time.

This turret muling ship.

As shown in Figure 2, a through hole B is provided approximately in the center of the hull A, and a cylindrical turret (100) with a diameter of approximately 19 to 20 m equipped with an extraction crude oil production facility C and an anchor D for anchoring to the seabed is charged therein. On the other hand, the hull A side is equipped with a primary treatment facility E, etc., and the hull A has a structure that allows the hull A to rotate approximately ±3406 times when the turret 100 is fixed to the seabed with an anchor D. There are connecting pipes between the turret 100 side and the hull A side, and a total of 6 fixed pipes: production line, test line, cooling water line, fire line, combination last airline, and 7 retsu 7 quarter line. Pipes Fl to F6 and fl to f are fixed to the hull A side and the turret 100 side.

The above six fixed pipings Fl to F6 and fl to f connect between the hull A and the turret 100, but since they are used while being connected even when the hull A is turning, these fixed pipings As a communication method between Fl and F and between Fl and F, the messenger wire system used in overhead running lanes is used.

[Problem that the invention seeks to solve]

However, in one or more Meshenger Wire systems, the fixed pipes Fl to F6 and the floating ship pipe connecting the middle of the fixed pipes Fl to F6 become entangled with the turning of the hull A and structures such as the extraction crude oil production equipment C that accompany this turning. Toto K), there was no room for length and excessive tension was applied,
Frequent kinks, cracks, and cutting accidents occurred, creating major operational and safety problems. Furthermore, each pipe moves over it as the hull A turns, causing slack along the way, resulting in a problem of narrowing the operating space.

The present invention has been made to solve the above problems, and aims to provide a new connection device for fixed pipes that does not have the above-mentioned operational and safety problems caused by the turning of the ship body A. .

[Means for solving problems]

The configuration of the present invention will be explained in detail below.

Figures ta1 (a) and ta1 (b) show the configuration of the fixed piping connection device of the present invention in a turret muling ship that can rotate around a turret 100 inserted into the through port B of the hull A1. The present invention includes grooves 1a and 1b and a lid 2a.

2b. Note that Fl and F indicate fixed piping on the hull A side, and f and If indicate fixed piping on the turret 100 side.

The grooves 1a and 1b are grooves provided on the surface A of the hull around the turret 100 concentrically with the turret 100, into which liquid flowing through the fixed pipes Fs, Ft, ft, and ft flows. . The grooves 1a and 1b can be installed on the upper deck A' or on the hull A side of the hull penetration port B, etc.

The lids 2m and 2b are for closing the grooves 1a and 1b in a liquid-tight manner, and are formed into a ring shape corresponding to the annular shape of the grooves 1m and 1b. In addition, these lids 2m and 2b are connected to the fixed pipes f, , f on the turret 100 side, as described later, and on the other hand, the groove 1m closed by these
, 1b rotate around the turret 1000 times together with the hull A, so these lids 2a and 2b are slidably installed in the grooves 1a and 1b, respectively.

The present invention has the above-mentioned configuration, and also has the lid 21LI2.
b The fixed pipes f, , f on the K turret 100 side are connected to communicate with the insides of the grooves 1a and 1b, and the groove 1a.

Connect fixed piping Fs - Ft on the hull A side to 1b, respectively.

It communicates with the inside of these.

[Effect]

With the above configuration, the lids 2m and 2b to which the fixed pipes fs and fx on the turret 100 side are connected are held in their original positions like the turret 100 even when the hull A turns, and - The blade grooves 1m and 1b move as the hull A turns. However, since the grooves 1a and 1b are provided concentrically with the turret 100, they are always fluid-tightly closed by the lids 2m and 2bK even during movement, and further, the lids 2a and 2
Turret 100 communicating with groove 11L11b via b
The side fixed pipe ft-h and the hull A side fixed pipe Ft=Fl, which are directly connected to the grooves 1a and 1b, can be kept in communication with each other through the groove IJL11b, which rotates even when the ship is turning.

〔Example〕

Hereinafter, specific embodiments of the present invention will be described based on the drawings.

FIG. 3 shows an embodiment of the present invention, which includes grooves 10-15 and lids 20-25. still,
Ft to F6 indicate fixed piping on the hull A side, and fl to f. indicate fixed piping on the turret 100 side.

Grooves 10 to 15 are on the upper deck AK around the turret 100.
, 1 concentrically with the turret 100 from the inside, respectively.
0.11, 12.13.14 and 15. As shown in the partially enlarged cross-sectional view of FIG.
15 &, and the upper deck A' above it.
The opening portions 10b to 15b are provided in the center, and the inner space thereof constitutes the opening portions 10b to 15b.

The lids 20 to 25 have openings 10b of the grooves 10 to 15.
This groove 1
0 to 15 are occluded. Since each sealing material 30 is provided between each upper deck A divided into two by the opening parts 10b to 15bK and both sides of the upper plates 20a to 25a and the lower plates 20b to 25b, such Depending on the configuration, the lids 20 to 25 are.

It is slidably attached to the grooves 10 to 15 in a liquid-tight manner.

The fixed pipes fl to f6 on the turret 100 side are fixed through the upper plates 20a to 25a and lower plates 20b to 25b that constitute the lids 20 to 25, and are fixed to the grooves 10 to 15.
The fixed pipes 10 to 15 on the side of the hull A are directly connected to the grooves 10 to 15. Therefore, the fixed pipes fl to f6 and Fi to F are connected to the grooves 1
They communicate via 0 to 15. and turret 1
The lids 20 to 25, which are stationary together with the fixed piping fl to f6 on the 00 side, are connected to the grooves 10 to 15, which move with the hull.
Since the grooves 10 to 15 are closed in a liquid-tight manner, and the sealing material 30 is filled as described above,
It is slidably held in these rotating grooves 10 to 15. Therefore, the fixed pipes Fl to F6 on the rotating hull A side can be communicated with the fixed pipes fl to f on the immovable turret 100 side via the grooves 10 to 15.

Figure 5 shows another embodiment of the present invention.
' A fixed pipe F of the hull A and a communicating groove 16,
Connected to the fixed piping f on the turret 100 side, and connected to the groove 16
It consists of a lid 26 which is slidably provided on the lid while closing it liquid-tightly.

The lid 26 has two convex portions 26a, 26a fitted in the groove 16 at the bottom, and two horizontal plate portions 26b, 26b projecting from both sides of the top. In this embodiment, the horizontal plate portions 26b, 26b are placed on two sealing members 31°31 installed on the upper deck A along the groove 16, and the hydraulic cylinder 32 .32
The lid 26 is pressed into the groove 16K by pressing it down with the roller 33.

Although it is liquid-tight, it is slidable.

〔Effect of the invention〕

According to the device of the present invention having the above-mentioned configuration, the groove provided on the circumference of the turret and the lid that closes the groove are liquid-tight and slidable, so that even when the ship is turning, The fixed piping installed in each of the turrets and the turrets can be left connected. As a result, even when the ship is turning, the flexible pipes connected between the turret and the ship's hull will not get caught on other structures, and unnecessary tension will not be applied to them, resulting in an excellent effect of eliminating accidents such as cracks and cuts. have.

In addition, flexible pipes can be hung on the hull or turret.
It also has the advantage of not constricting the operating space because it is not left unused.

[Brief explanation of drawings]

FIG. 1 (jL) (b) is an explanatory diagram showing the configuration of the present invention,
Figure 2 is a schematic diagram showing the outline of a turret muling ship;
FIG. 3 is a sectional view showing one embodiment of the present invention, FIG. 4 is a partially enlarged sectional view of the embodiment, and FIG. 5 is a partially enlarged sectional view of another embodiment. In the figure, 18, 1b, 1G, 11.12, 13° 14.1
5, 16 are grooves, 21L, 2b, 20, 21° 22.23
, 24, 25, 26 are lids, Fl s Fl + Fg
IF4. Fl, F・, F d+'l+'l+chi, f,, f
Zheng + f@e f'j is fixed piping, person is hull, 100
indicates each turret. Patent Applicant: Nippon Kokan Co., Ltd. Inventor: Satoshi Yamamoto, Attorney-at-Law Patent Attorney: Sho Shirohara, Tamagawa Same
Kiyoshi Takahashi Attorney Hiroko Yoshihara Figure 1

Claims (1)

[Claims] In a fixed piping connection device between the hull and the turret in a turret-maring ship that can rotate around a turret inserted into a hull penetration port, a groove provided on the hull surface around the turret concentrically with the turret; It has a ring-shaped lid that is liquid-tight and slidably provided in the groove, and a fixed pipe on the turret side is connected to the lid to communicate with the inside of the groove, and a pipe on the hull side is connected to the lid. A device for connecting fixed piping between a hull and a turret in a turret-mulling ship, characterized in that the fixed piping is connected and communicated with the inside of the groove.