KR101215474B1 - Installation Structure of Drain Discharge Apparatus of Air Vent Line for Ship - Google Patents

Installation Structure of Drain Discharge Apparatus of Air Vent Line for Ship Download PDF

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Publication number
KR101215474B1
KR101215474B1 KR1020100117915A KR20100117915A KR101215474B1 KR 101215474 B1 KR101215474 B1 KR 101215474B1 KR 1020100117915 A KR1020100117915 A KR 1020100117915A KR 20100117915 A KR20100117915 A KR 20100117915A KR 101215474 B1 KR101215474 B1 KR 101215474B1
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South Korea
Prior art keywords
air vent
vent line
air
discharge device
drain discharge
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KR1020100117915A
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Korean (ko)
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KR20120056402A (en
Inventor
제정미
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삼성중공업 주식회사
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Priority to KR1020100117915A priority Critical patent/KR101215474B1/en
Publication of KR20120056402A publication Critical patent/KR20120056402A/en
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Publication of KR101215474B1 publication Critical patent/KR101215474B1/en

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)

Abstract

A drain discharging device installation structure of an air vent line for ship is disclosed. Drain discharge device installation structure of the air vent line for ships according to an embodiment of the present invention in the air vent line installed from the ballast tank group of the hull to the upper deck side, air for blocking seawater backflow and foreign matter in the air vent line On the discharge head, the air vent line, a drain discharge device for collecting seawater introduced from the outside of the hull and discharging it to the outside of the hull is installed.

Description

Installation Structure of Drain Discharge Apparatus of Air Vent Line for Ship}

The present invention relates to a drain discharge device installation structure of the air vent line for ships.

In general, ships are equipped with ballast systems to adjust their draft and trim.

Such a ballast system generally includes a number of ballast tanks provided in the hull and a ballast pump for supplying and draining ballast water (sea water) to the ballast tanks.

For example, a conventional ballast system of a ship includes a ballast tank group and a ballast tank group each including a double bottom ballast tank group horizontally arranged on the bottom of the ship and a side ballast tank group vertically disposed inside the hull outer wall. A plurality of ballast pumps for supplying and discharging ballast water, a piping system connected between ballast tanks and ballast pumps and outboard seawater, and having a plurality of open / close valves, and upper deck of all tanks and vessels of ballast tank groups It is composed of a plurality of air vent lines for discharging the ballast water overflowing the air filled inside each tank of the tank group out of the tank installed in between.

1 is a longitudinal cross-sectional schematic view of a hull showing a structure in which air vent lines are installed in a vessel of the prior art, wherein an air vent line 30 extending from a ballast tank group 20 formed on the bottom of the hull 10 is provided; It is connected to the upper deck of the hull.

In this case, an air discharge head 40 is installed at a specific portion of the air vent line 30. The air discharge head 40 blocks seawater or foreign substances from entering the tank from the outside of the hull, while the tank It discharges ballast water that overflows inside and overflows the tank.

However, the prior art vessels as described above are designed to flexibly respond to torsional stresses due to flooding and windage of the hull by the damage resilience design rule.

Therefore, when the air vent line 30 is installed in the damage range region designed as a fluid response structure, damage to the pipe is inevitable when the hull flows, and thus, seawater flows into the air vent line 30. May be generated.

As such, when a large amount of seawater is introduced into the air vent line 30, the function of the air vent may be lost, thereby causing a fatal damage to the ballast system.

Embodiments of the present invention to maintain a constant air vent performance is to provide a drain discharge device installation structure of the air vent line for ships to enable the safe operation of the vessel.

According to an aspect of the present invention, in the air vent line installed from the ballast tank group of the hull to the upper deck side, the drain discharge device for collecting the sea water introduced from the outside on the air vent line and discharge it to the outside of the hull Drain discharge device installation structure of the air vent line for ships, characterized in that the installation can be provided.

Here, the drain discharge device may be installed in front of the air discharge head.

Here, the drain discharge device may be installed in a horizontal section of the air vent line.

In addition, the drain discharge device is installed on the air vent line, the body containing the sea water, the air inlet connected to the air vent line on the upper left and right sides of the main body, the air outlet formed on the opposite side of the air inlet, The bottom of the main body includes a beret to rise as the water level increases, the lever connected to the beret, the discharge port to which the seawater introduced into the main body is discharged to the outside, and an opening and closing lid installed on the bottom of the main body,

The opening and closing lid may be operated in conjunction with the operation of the lever to open and close the opening of the outlet.

At this time, the opening and closing lid is hinged one end, the other end may be connected to the chain to be linked to the movement of the lever.

Drain discharge device installation structure of the air vent line for ships according to the embodiments of the present invention can maintain the air vent performance constant can enable the safe operation of the ship.

1 is a longitudinal sectional schematic view of a hull showing a structure in which air vent lines are installed in a vessel of the prior art;
Figure 2 is a longitudinal sectional schematic view of the hull showing a structure in which a drain discharge device is installed on a ship air vent line according to an embodiment of the present invention.
3 and 4 is a schematic diagram showing a before and after structure of the drain discharge device according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a schematic diagram showing a drain discharge device installation structure of the air vent line for ships according to an embodiment of the present invention,

Referring to Figure 2, the air vent line 130 extending from the ballast tank group 120 formed on the bottom of the hull 110 is connected to the upper deck side of the hull, the specific portion of the air vent line 130 The air discharge head 140 is installed. The air discharge head 140 blocks seawater or foreign substances from entering the tank from the outside of the hull, while ballast water overflows with the air filled inside the tank. Serves to drain out.

Here, in the embodiment of the present invention, by installing the drain discharge device 150 in front of the air discharge head 140, it is possible to correspond to the flow of the immersion of the hull and the flow of the external wind.

Here, the front of the air discharge head 140 means the front of the air discharge direction, on the contrary, the direction in which the ballast tank is installed may be defined as the rear of the air discharge head 140.

Therefore, when the drain discharge device 150 is installed in front of the air discharge head 140, due to problems such as the occurrence of play in the air vent line 130 pipe connection, without affecting the air discharge flow, When the seawater flows into the gap to block the internal flow path of the air vent line 130, the drain discharge device 150 operates to discharge the sea water quickly and efficiently, thereby enabling the function of the air vent to be normally operated. .

The drain discharge device 150 may be installed in a horizontal section of the air vent line 130 connected to the air discharge head 140.

In this way, the drain discharge device 150 to be installed in the horizontal section of the air vent line 130 is related to the beret 154 of the drain discharge device 150 according to an embodiment of the present invention, The configuration will be described later.

In addition, in the construction of the pipe connection, the present invention is designed so as to allow flow between the pipes to be connected so as to be able to flexibly respond to the torsional stress caused by the inundation of the hull and the external storm.

3 and 4 is a schematic diagram showing the structure before and after the operation of the drain discharge device according to an embodiment of the present invention.

Referring to FIG. 3, the configuration of the drain discharge device 150 is provided on the air vent line 130 and includes a main body 151 for receiving seawater, and an air vent line (upper left and right sides of the main body 151). An air inlet 152 and an air outlet 153 connected to the 130 may be formed.

In addition, the bottom of the main body 151 may be installed at one end of the lever 154 moving in accordance with the water level fluctuation of the incoming water.

At this time, the other end of the lever 155 is connected to the chain 156, the chain 156 is connected to the opening and closing lid 157 installed on the bottom side of the body 151.

The upper end of the opening and closing lid 157 is hinged to the outlet 158 side, in conjunction with the movement of the lever 155 connected to the chain 156 of the outlet 158 around the hinged point It is operated to open or close the opening. The outlet 158 is a passage for discharging the seawater introduced into the body 151 to the outside.

At this time, the force for operating the lever 155 is generated by the force that the buckle 154 tries to rise by the seawater flowing into the main body 151, that is, buoyancy.

Referring to the operation example of the drain discharge device 150 according to an embodiment of the present invention having the above configuration, when seawater flows into the hull 110, the flow of the hull 110 is generated, in particular the hull When the flow is generated severely spaced from the pipe connection of the air vent line 130, seawater may flow into the gap.

At this time, the introduced sea water is accumulated in the pipe of the air vent line 130 while the inflow into the ballast tank group 120 is blocked by the air discharge head 140, and then the main body of the drain discharge device 150 ( 151 is collected inside.

At this time, when the inflow of seawater flowing into the main body 151 increases, the raising and lowering of the bridle 154 is made according to the rise of the water level, thereby operating the lever 155 to open and close the lid connected to the chain 156 on the opposite side. Move (157).

As the opening and closing lid 157 moves, the opening of the outlet 158 is opened to discharge seawater inside the main body 151 to the outside through the outlet 158.

The seawater discharged through the outlet 158 is disposed outside the hull through a separate connection pipe (not shown).

According to one embodiment of the present invention having the configuration and action as described above, even if the seawater is introduced into the air vent line 130, it can be quickly discharged to the outside, it is possible to maintain a constant air vent performance It is possible to operate the ship safely.

110: hull 120: ballast tank group
130: air vent line 140: air discharge head
150: drain discharge device 151: main body
152: air inlet 153: air outlet
154: Breed 155: Crowbar
156: chain 157: opening and closing lid
158: outlet

Claims (5)

In the air vent line installed from the ballast tank group of the hull to the upper deck side,
An air discharge head for blocking seawater backflow and foreign material inflow into the air vent line; And
It includes a drain discharge device for collecting the seawater introduced from the outside of the hull on the air vent line and discharge it to the outside of the hull,
The drain discharge device
A body containing sea water;
An air inlet connected to an air vent line on the upper left and right sides of the main body;
An air outlet formed at an opposite side of the air inlet;
It is installed on the bottom of the main body, the bure to rise as the water level increases;
A lever connected to the beret;
An outlet for discharging the seawater introduced into the main body to the outside; And
And an opening / closing lid installed at the bottom of the main body and interlocking with the operation of the lever to open and close the opening of the outlet. The method of claim 1, wherein
The drain discharge device
Characterized in that installed in front of the air discharge head
Drain discharge device installation structure of air vent line for ship. The method according to claim 1 or 2,
The drain discharge device
Drain discharge device installation structure of the air vent line for ships, characterized in that installed in the horizontal section of the air vent line. delete The method of claim 1,
One end of the opening and closing lid is coupled to the hinge, the other end is installed drain drainage device of the ship air vent line, characterized in that connected to the chain to be linked to the movement of the lever.
KR1020100117915A 2010-11-25 2010-11-25 Installation Structure of Drain Discharge Apparatus of Air Vent Line for Ship KR101215474B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100117915A KR101215474B1 (en) 2010-11-25 2010-11-25 Installation Structure of Drain Discharge Apparatus of Air Vent Line for Ship

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100117915A KR101215474B1 (en) 2010-11-25 2010-11-25 Installation Structure of Drain Discharge Apparatus of Air Vent Line for Ship

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KR20120056402A KR20120056402A (en) 2012-06-04
KR101215474B1 true KR101215474B1 (en) 2012-12-26

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200473227Y1 (en) * 2012-07-12 2014-06-20 대우조선해양 주식회사 Overflow preventing device for sea chest vent
KR101701964B1 (en) * 2015-06-04 2017-02-02 삼성중공업 주식회사 Vessel
CN113859428A (en) * 2021-10-27 2021-12-31 广船国际有限公司 Ship seawater system drainage device and drainage method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980046039A (en) 1996-12-11 1998-09-15 신영균 Ship's ballast system
JP4166771B2 (en) * 2005-08-03 2008-10-15 株式会社新来島どっく Ballast tank air venting device
KR20100007059U (en) 2008-12-31 2010-07-08 대우조선해양 주식회사 air venting device for ballasting submersible heavy lift carrier

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980046039A (en) 1996-12-11 1998-09-15 신영균 Ship's ballast system
JP4166771B2 (en) * 2005-08-03 2008-10-15 株式会社新来島どっく Ballast tank air venting device
KR20100007059U (en) 2008-12-31 2010-07-08 대우조선해양 주식회사 air venting device for ballasting submersible heavy lift carrier

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