KR101784843B1 - Air vent for ship - Google Patents

Air vent for ship Download PDF

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Publication number
KR101784843B1
KR101784843B1 KR1020150135514A KR20150135514A KR101784843B1 KR 101784843 B1 KR101784843 B1 KR 101784843B1 KR 1020150135514 A KR1020150135514 A KR 1020150135514A KR 20150135514 A KR20150135514 A KR 20150135514A KR 101784843 B1 KR101784843 B1 KR 101784843B1
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KR
South Korea
Prior art keywords
air vent
compartment
floating valve
ventilation hole
magnetic
Prior art date
Application number
KR1020150135514A
Other languages
Korean (ko)
Other versions
KR20170036399A (en
Inventor
이충호
Original Assignee
삼성중공업 주식회사
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Application filed by 삼성중공업 주식회사 filed Critical 삼성중공업 주식회사
Priority to KR1020150135514A priority Critical patent/KR101784843B1/en
Publication of KR20170036399A publication Critical patent/KR20170036399A/en
Application granted granted Critical
Publication of KR101784843B1 publication Critical patent/KR101784843B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
    • B63J2/02—Ventilation; Air-conditioning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
    • B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
    • B63J2/02—Ventilation; Air-conditioning
    • B63J2/10—Ventilating-shafts; Air-scoops
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
    • F16K24/02—Devices, e.g. valves, for venting or aerating enclosures the enclosure being itself a valve, tap, or cock
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
    • F16K24/06—Devices, e.g. valves, for venting or aerating enclosures for aerating only

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Check Valves (AREA)

Abstract

The air vent for a ship according to the present invention comprises a hollow air vent head connected to an end of a duct and having an opening at one side thereof, a compartment formed inside the air vent head for introducing outside air through the opening, And a floating valve which is located on the upper side of the compartment and closes the ventilation hole which is formed on the upper surface of the compartment by a magnetic force, Into the duct.

Description

{AIR VENT FOR SHIP}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a ballast tank provided in a ship or an air vent for venting a cargo tank, and more particularly to an air vant equipped with a liquid shutoff unit for blocking liquid from flowing into a vent .

Generally, ships operating in watercraft are widely used for transporting heavy cargo.

Large vessels are equipped with cargo tanks capable of transporting large quantities of liquids, such as oil, and can be steered by increasing the weight of the ship's bottom in order to control the draft and trim of the vessel during operation. Ballast tanks are essential.

The ballast tank is filled with ballast water to hold the equilibrium of the ship and increase the restitution force, and the cargo tank is filled with the liquid to be transported.

At this time, it is the air vent facility that allows the outside air to flow into the ballast tank or the internal space of the cargo tank.

The airbot is installed at the end where the duct connected to the ballast tank or the cargo tank is exposed to the outside, and is designed to perform pure ventilation without inflow of rainwater, seawater and various foreign substances for the purpose of inflow of outside air .

However, due to the nature of ships operating in watercourses exposed to various climatic changes, it was difficult to completely block various foreign matter from air vents to liquids such as rainwater, seawater, and creatures such as birds and insects.

Accordingly, various techniques for preventing foreign substances other than air from being introduced while ensuring air permeability have been disclosed.

The prior art relating to the packing of a marine air vant includes a technique for preventing insertion of liquid into the air vent so as to be easy to insert into a through hole formed in the air vent, Has been utilized.

However, in the related art, the floaters are raised by the buoyancy to prevent the rainwater or the seawater from flowing into the air vents. In this case, the liquid is contained in a certain space and the water surface is elevated, If a sufficient buoyancy is not applied to the plotter, there is a gap between the through hole and the inflow of seawater or rainwater can not be completely prevented.

Alternatively, a shaft for guiding the floater so as to be able to ascend and descend horizontally has to be constituted, and leakage water generated at a portion in contact with the shaft has been inevitably generated in a trace amount.

Therefore, a method for solving such problems is required.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems of the prior art, and to provide an air vent which is highly effective in blocking the inflow of liquid into the air vents even with a simpler structure than the prior art.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a marine air vant having a hollow air vent head connected to an end of a duct and having an opening on one side thereof, And a floating valve which is located in the compartment and the compartment through which the outside air flows into the compartment and which is raised and lowered by the buoyant force to close the ventilation hole formed on the upper surface of the compartment by a magnetic force, And flows into the duct via the inner space of the air vent head.

Alternatively, the floating valve may include a magnetic attachment portion formed by protruding a central portion upwardly and gradually becoming thinner toward the outer periphery, and formed of a material having magnetism at the upper portion, and formed of a material having magnetism around the ventilation hole And a magnetic coupling portion that is magnetically coupled with the magnetic attachment portion.

The bumper further includes a packing bumper disposed on a surface where the magnetic attachment portion and the magnetic coupling portion are in contact with each other and formed of a rubber material.

Alternatively, the floating valve is provided with a plurality of balance holes formed vertically through the edge at regular intervals.

The balance holes are formed to be inclined in the same direction.

Alternatively, the air vent head is provided with an inspection port formed on the upper surface so as to be openable and closable at a position corresponding to the ventilation hole, and the ventilation hole is opened by pushing down the floating valve closing the ventilation hole by the pressure bar inserted through the inspection port.

The compartment is formed on the lower side, and has a drain hole for discharging the fluid inside.

In order to solve the above problems, the present invention provides an air vent for a ship, which closes a ventilation hole in an air vent, and has a large effect of preventing the inflow of liquid because the air valve is attached airtightly by magnetism, There is an effect.

1 is a perspective view of a marine air vant according to an embodiment of the present invention;
2 is a perspective view of a floating valve and a cross-sectional view of a marine air vant according to an embodiment of the present invention;
3 is a transverse sectional view showing a state in which a floating valve of a marine air vant according to an embodiment of the present invention rises and a ventilation hole is closed;
4 is a cross-sectional view illustrating a state in which a closed ventilating hole of a marine air vents is opened according to an embodiment of the present invention; And
5 is a perspective view and a perspective view showing still another embodiment of the floating valve in the marine air vans of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In describing the present embodiment, the same designations and the same reference numerals are used for the same components, and further description thereof will be omitted.

The marine air vant according to the present invention can be implemented as follows.

FIG. 1 is a perspective view of a marine air vant according to an embodiment of the present invention, and FIG. 2 is a perspective view of a marine air vent and a floating valve according to an embodiment of the present invention.

Referring to FIGS. 1 and 2, an airbelt for a ship according to an embodiment of the present invention may be provided at an upper end of a duct 10 for ventilation of a ballast tank or a cargo tank of a ship.

A hollow air vent head 100 in which an opening 110 is formed at one side and a hollow air vent head 100 which is formed inside one side of the air vent head 100, And a ventilation hole formed in the center of the upper surface of the compartment 200 so that the external air introduced into the ventilation hole 110 flows into the duct 10 via the inside space of the air vent head 100, A float valve 300 may be included to lift the ventilating hole 210 by buoyant force inside the compartment 200 and to be magnetically coupled with the ventilating hole 210 to close the ventilating hole 210.

Each of the above-described configurations will be described in detail below.

The duct 10 is formed with a passage through which the fluid can flow inward.

A ballast tank and a cargo tank provided in the ship, and a space defined inside the ship is connected to the outside so as to be ventilated. In this embodiment, the duct 10 ).

The air vent head 100 is provided at an open end of a duct 10 protruding out of the hull so as to prevent foreign matter other than the gas from flowing into the open end of the duct 10.

The inner side is formed with a hollow space through which air can be ventilated, and an opening 110 through which outside air can be introduced into one side is formed.

As shown in FIG. 1, the opening 110 may be formed by installing a louver having a long and thin flat plate arranged horizontally, vertically, or in a lattice pattern, and the solid foreign matter A slit shape having a narrow interval or a lattice network may be implemented in various forms according to an embodiment to which the present invention is applied.

The inspection port 120 is formed on the upper part of the air vent head 100 and can be formed in various shapes such as a circular or polygonal shape and can be closed by a lid 121 capable of maintaining airtightness.

The compartment 200 is a divided space formed in the inner space of the airbott head 100 and flows into the inner space of the airbottom head 100 via the outside air flowing into the opening 110.

The compartment 200 may be formed in a variety of shapes such as a cylindrical shape or a hexahedron. The compartment 200 may be formed of a material that can be received without leakage, .

The ventilation hole 210 is an opening formed in the upper surface of the compartment 200. The ventilation hole 210 is a passage through which the outside air introduced into the compartment 200 flows into the air vent head 100 through the opening 110.

The solid foreign matter is blocked by a louver, a slit or a net which can be formed in the opening 110 and the ventilation hole 210 is provided on the upper surface of the compartment 200, So that liquid foreign matter such as rainwater can be blocked.

Also, the ventilation hole 210 is provided at a position vertically corresponding to the inspection hole 120 described above.

The magnetic coupling part 211 may be formed as a magnetic body having a magnetic force and formed continuously along the open perimeter of the ventilating hole 210.

The packing bumper 212 is provided at the lower end of the magnetic coupling part 211 and includes a packing effect for maintaining the airtightness and an effect of buffering shocks to be received by the floating valve 300 to be described later .

Preferably, the packing bumper 212 is formed of a rubber material having elasticity, and may be provided on the bottom surface of the magnetic coupling part 211 to be brought into contact with the floating valve 300 to be described later.

The drain hole 220 is a channel provided at a lower portion of the compartment 200 and connected to the outside and is a passage through which the liquid contained in the compartment 200 is discharged to the outside and includes a valve 221, .

FIG. 3 is a cross-sectional view illustrating a state in which a floating valve of a marine air vant according to an embodiment of the present invention rises and closes a ventilation hole, and FIG. 4 is a cross-sectional view illustrating a closed ventilation hole of a marine air vent according to an embodiment of the present invention. Fig. 5 is a perspective view and a perspective view showing still another embodiment of the floating valve in the marine air vans of the present invention. Fig.

Referring to FIGS. 2 to 4, in the present embodiment, the floating valve 300 has a circular planar surface having a seismic disk shape and a central portion protruding upward, and has a gentle slope toward the outer periphery And can be realized in a shape in which the thickness becomes thin.

The floating valve 300 may be embodied as a buoyant body having a property of floating on the water surface without being immersed in the liquid, or may be filled with air to have buoyancy.

The magnetic attachment portion 310 is formed on the upper surface of the floating valve 300 in a shape corresponding to the magnetic coupling portion 211 of the ventilation hole 210 described above.

In the present embodiment, the floating valve 300 may have a central portion protruding from the upper portion of the floating valve 300, and may be formed as a round surface extending upwardly as viewed from the side.

The magnetic attachment portion 310 and the magnetic coupling portion 211 may be attached with magnetic attraction by the attraction force so that the magnetic attachment portion 310 and the magnetic coupling portion 211 may be provided with magnetic bodies having different polarities , A magnetic substance may be provided only in any one of the configurations, and the corresponding position may be realized by a material having a property of being attached to the magnet.

The packing bumper 212 provided on the lower surface of the magnetic coupling part 211 is provided on the upper surface of the magnetic attachment part 310 to further enhance the buffering and packing effect.

The balance hole 320 may be formed at regular intervals along the edge of the outer portion of the floating valve 300 as shown in FIG. 2 with a through hole formed vertically through the edge of the floating valve 300.

When the floating valve 300 is lifted by the buoyant force according to the level of the liquid received in the compartment 200, the opening 110 into which the liquid flows together with the outside air is located at the upper portion, The floating valve 300 can be tilted horizontally by the liquid falling to the valve 300. However, since the liquid flowing through the balance hole 320 is uniformly moved downward, the floating valve 300 is horizontally .

In another embodiment, the balance hole 320 may be inclined in one direction as shown in FIG.

This is because when the liquid on the upper side of the floating valve 300 is moved to the lower side of the floating valve 300 through the balance hole 320, a rotational force is generated on the outer edge of the floating valve 300, There is an effect that the floating valve 300 rising by the buoyancy force rotates and rises inside the compartment 200. This can further enhance the effect of keeping the floating valve 300 horizontal without being tilted when lifting.

2 and 5, the protrusion guide 330 is an inclined portion of a protrusion protruded upward from a center portion of the upper surface of the floating valve 300. Specifically, the protrusion guide 330 includes an inner It can be an inclined surface.

The protrusion guide 330 may be made of a material having a small surface frictional force and the floating valve 300 may be raised by the buoyancy force so that the protrusion guide 330 approaches the magnetic attraction portion 211 of the vent hole 210 When the magnetic attachment portion 310 of the floating valve 300 and the magnetic coupling portion 211 of the ventilation hole 210 are attached to each other, it interferes with the inner circumference of the ventilation hole 210 to guide the position.

The ventilation corrugations 340 are formed on the lower surface of the float valve 300 such that the float valve 300 floated on the water surface with the ball being elongated from the center toward the outer periphery moves toward the ventilating hole 210 with a magnetic force It is possible to prevent an air layer that may be formed on the water surface and the lower portion of the floating valve 300. [

When the air layer is formed between the water surface and the floating valve 300, a large force is required for the floating valve 300 to be moved upward so as to be separated from the water surface. And the ventilation hole 210 is closed.

The pressure groove 350 may be formed by forming a concave groove by horizontally cutting an upper end protruding upward from a central portion of the floating valve 300.

Operation of the marine air vant according to one embodiment of the present invention will be described based on the above-described configuration.

An air vent for a ship according to an embodiment of the present invention is provided at an open end of a duct 10 protruding outside the ship.

The liquid that is introduced together with the outside air through the openings 110 of the air vent head 100 is first accommodated in the compartment 200.

When the amount of the liquid flowing into the compartment 200 is insufficient or is not such an amount that the liquid can flow into the duct 10 through the ventilation hole 210, the valve 221 of the drain hole 220 is opened, ) To secure the space inside.

The float valve 300 having buoyancy rises as the water level of the liquid increases when the amount of the liquid that has flowed into the compartment 200 due to a sudden change in temperature or a wave or the like is large.

When the floating valve 300 rising horizontally along the water surface approaches the ventilation hole 210 at a predetermined distance or less, the magnetic attachment portion 310 provided in the floating valve 300 and the ventilation hole 210, And the magnetic coupling part 211 are closed by the attraction force acting on the magnetic coupling part 211. [

After the cause of the inflow of the liquid through the opening 110 is removed, the lid 121 of the inspection opening 120 is removed to open the ventilation hole 210, And the pressing groove 400 having the pressing portion formed at the other end is used to push the pressing groove 350 downward as shown in FIG.

It will be apparent to those skilled in the art that the present invention can be embodied in other specific forms without departing from the spirit or scope of the invention as defined in the appended claims. It is obvious to them. Therefore, the above-described embodiments are to be considered as illustrative rather than restrictive, and the present invention is not limited to the above description, but may be modified within the scope of the appended claims and equivalents thereof.

10: duct 100: air vent head
110: opening 120: check opening
200: compartment 210: ventilation hole
211: magnetic coupling part 212: packing bumper
220: drain hole 221: valve
300: Floating valve 310: Magnetic attachment part
320: Balance hole 330: Extrusion guide
340: ventilation corrugations 350: pressure grooves
400: pressure bar

Claims (7)

A hollow air vent head connected to an end of the duct and having an opening at one side thereof;
A compartment formed in the air vent head and through which the outside air flows through the opening; And
A magnetic attachment portion formed of a material having magnetism at an upper portion thereof and being raised and lowered by a buoyancy force and being opened in an upper surface of the compartment; And a floating valve which is formed of a material having magnetic property along the circumference of the opening and which closes the ventilation hole provided with the magnetic coupling part magnetically coupled with the magnetic attachment part by a magnetic force,
Wherein the floating valve includes a plurality of balance holes formed at equal intervals on an edge thereof so as to be inclined upward and downward in the same direction so that the floating valve is rotated when the liquid passes downward,
And the air introduced into the compartment through the ventilation hole is introduced into the duct via the space inside the air vent head.
delete The method according to claim 1,
A packing bumper disposed on a surface where the magnetic attachment portion and the magnetic coupling portion are in contact with each other and formed of a rubber material;
Further comprising an air vent.
delete delete The method according to claim 1,
Wherein the air vent head includes a check port formed on an upper surface thereof so as to be openable and closable at a position corresponding to the ventilation hole,
And a ventilation hole is opened by pushing down the floating valve closing the ventilation hole by a pressure bar inserted through the inspection port.
The method according to claim 1,
Wherein the compartment is formed on a lower side and has a drain hole for discharging the fluid inside.
KR1020150135514A 2015-09-24 2015-09-24 Air vent for ship KR101784843B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150135514A KR101784843B1 (en) 2015-09-24 2015-09-24 Air vent for ship

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150135514A KR101784843B1 (en) 2015-09-24 2015-09-24 Air vent for ship

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KR20170036399A KR20170036399A (en) 2017-04-03
KR101784843B1 true KR101784843B1 (en) 2017-10-12

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108177755A (en) * 2017-12-22 2018-06-19 沪东中华造船(集团)有限公司 A kind of novel ship cabin Ventilated cap
CN111806667A (en) * 2020-05-28 2020-10-23 东台市航海船用阀门厂 Marine air hose self-closing device of aluminum alloy
CN115195945B (en) * 2022-07-18 2024-01-26 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） Marine container stand column with ventilation and overflow functions

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100872520B1 (en) * 2008-04-04 2008-12-08 주식회사 삼진정밀 Rapid air valve

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100872520B1 (en) * 2008-04-04 2008-12-08 주식회사 삼진정밀 Rapid air valve

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