KR20140046627A - Ventilation system for tank of vessels - Google Patents

Ventilation system for tank of vessels Download PDF

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Publication number
KR20140046627A
KR20140046627A KR1020120111755A KR20120111755A KR20140046627A KR 20140046627 A KR20140046627 A KR 20140046627A KR 1020120111755 A KR1020120111755 A KR 1020120111755A KR 20120111755 A KR20120111755 A KR 20120111755A KR 20140046627 A KR20140046627 A KR 20140046627A
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KR
South Korea
Prior art keywords
tank
air vent
vent pipe
pipe
air
Prior art date
Application number
KR1020120111755A
Other languages
Korean (ko)
Inventor
김영현
Original Assignee
대우조선해양 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 대우조선해양 주식회사 filed Critical 대우조선해양 주식회사
Priority to KR1020120111755A priority Critical patent/KR20140046627A/en
Publication of KR20140046627A publication Critical patent/KR20140046627A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/22—Safety features
    • B65D90/32—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
    • B65D90/34—Venting means
    • 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
    • B63J2/08—Ventilation; Air-conditioning of holds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2205/00—Venting means
    • B65D2205/02—Venting holes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

According to the present invention, when the air vent pipe cannot be installed through the upper part of the tank, the ventilating effect of the inside of the tank by the air vent pipe is provided by installing the air vent pipe to penetrate the side surface of the tank and open toward the upper space inside the tank. And additionally install a drain pipe branched from the air vent pipe to the outside of the tank to induce external discharge of condensate stored in the pipeline to prevent breakage of the air vent pipe due to freezing and at the same time provide a smooth ventilating effect. Its purpose is to ensure it.
The present invention for achieving the above object is an air vent pipe 12 installed through the side of the tank 10, is installed at one end of the air vent pipe 12 and upper in the tank 10 The inboard side vent 12a arranged toward the space, the outboard side vent 12b installed at the other end of the air vent pipe 12 and disposed upward from the outside of the tank 10, and the air. And a drain pipe 20 branched from the vent pipe 12 and installed out of the tank 10.

Description

Ventilation system for ship tanks

The present invention relates to a ventilating device of a marine tank, and more particularly, when the air vent pipe cannot be installed through the upper part of the tank, the air vent pipe is opened so as to open toward the upper space inside the tank while penetrating the side of the tank. In addition to the installation, an additional drain pipe branched from the air vent pipe to the cargo hold is provided so that the venting device for the ship's tank enables the ventilation effect by the air vent pipe and the external discharge of condensate stored in the pipeline. It is about.

In general, a ship is provided with a plurality of tanks used for the purpose of storing ballast water, fuel storage, and the like. These tanks must remove the elevated pressure because the internal pressure will be increased when storing fluid such as ballast water or fuel in the internal space.

To this end, the tank will install an air vent pipe that can communicate with the atmosphere. Referring to FIG. 1, the conventional air vent pipe 51 is disposed to penetrate the upper portion of the tank 53 and be exposed to the outside of the hull. At this time, a vent head 55 having a vent hole is installed at a free end of the outboard side air vent pipe 51, and a free end of the inboard air vent pipe 51 is provided at the tank 53. ) Is placed in the upper space corresponding to the highest point in the interior.

Therefore, when the fluid such as ballast water or fuel is stored in the tank 53 and discharged to the outside, the outside air may be freely introduced and discharged through the air vent pipe 51 so that normal operation may be performed. do.

However, when the air vent pipe 51 cannot be installed through the upper part of the tank 53, for example, when the air vent pipe 51 cannot be installed due to constraints such as the provision of the relevant classification or the lack of installation space, a normal ventilation function is provided. As this cannot be achieved, new measures are urgently needed.

Accordingly, the present invention has been made in view of the above-mentioned matters, and when the air vent pipe cannot be installed through the upper part of the tank, the air vent pipe is opened so as to open toward the upper space inside the tank while penetrating the side of the tank. By installing the air vent pipe, the ventilation effect is realized inside the tank. An additional drain pipe branched from the air vent pipe to the outside of the tank induces an external discharge of condensate stored in the pipeline to freeze the air vent. The purpose is to prevent breakage of the pipe and to ensure a smooth venting effect.

The present invention for achieving the above object is an air vent device installed in the tank of the ship, the air vent pipe installed through the side of the tank;

An inboard vent provided at one end of the air vent pipe and disposed toward an upper space in the tank; And

And an outboard side vent provided at the other end of the air vent pipe and disposed upward from the outside of the tank.

In the present invention, the inboard vent is equipped with an expansion member for expanding the flow cross-sectional area of the fluid at the inlet, the longage is installed in the lower position of the main deck adjacent to the expansion member through the inlet of the expansion member And forming an air hole to enable communication with the inside of the vent pipe.

The present invention further includes a drain pipe branched from the air vent pipe and installed to the outside of the tank, and an auto closing valve installed on the drain pipe to control opening and closing of the pipe.

When the air vent pipe of the ship tank of the present invention cannot install the air vent pipe through the upper part of the tank, it is normal through the installation of the air vent pipe arranged to open through the side of the tank toward the upper space inside the tank. The inflow and outflow of air to the lower side of the main deck where the inlet of the expansion member is located, with the expansion member being able to achieve a migration function, in particular the expansion of the flow cross-sectional area of the fluid in the inboard vent of the air vent pipe. By forming air holes for the air, it is possible to ensure free inflow and outflow of air through the air vent pipe.

In addition, the present invention can effectively discharge the condensate stored in the interior of the air vent pipe through the drain pipe branched from the lower portion of the air vent pipe to the outside of the tank, such as the cargo hold, so that the inside of the pipeline In order to prevent breakage of the pipe due to freezing of condensate at the same time it is possible to provide a smooth ventilating effect. In particular, it is possible to selectively discharge the condensate stored in the conduit if necessary by using an auto closing valve installed on the outlet side of the drain pipe, it is possible to solve the contamination problem of the cargo hold due to the discharge of the condensate.

1 is a view conceptually showing an installation state of a conventional air vent pipe.
Figure 2 conceptually illustrates the installation of the air vent pipe in accordance with the present invention.
Figure 3 is a side view showing an example where the air vent pipe according to the present invention is applied to the actual vessel.
4 is a view showing in more detail the installation state of the air vent pipe according to the present invention.

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

Referring to Figure 2, the ventilating device of the ship tank according to the present invention is installed through the side portion with respect to the tank 10 of the ship to install the air vent pipe 12.

At this time, one end of the air vent pipe 12 located inside the tank 10 is provided with an inboard side vent 12a bent to be disposed in the tank 10 toward the upper space, the tank ( 10) The other end of the air vent pipe 12, which is located outside, has an outboard vent 12b that is bent to be disposed upward from the outside of the tank 10. That is, the air vent pipe 12 has an inboard side vent 12a disposed toward the upper space inside the tank 10 and an outboard side vent disposed upward from the outside of the tank 10 ( 12b) is integrally provided.

In this case, the inboard vent 12a is equipped with a cross-sectional expansion type expansion member 14 to widen the flow cross-sectional area for inflow and outflow of fluid at the inlet. In addition, the outboard side vent 12b is provided with a vent head 16 having a vent at the entrance for smooth communication with the atmosphere.

Accordingly, the air can be smoothly flowed through the air vent pipe 12 installed through the side portion of the tank 10, but the condensate stored in the air vent pipe 12 is stored at an outside temperature. As a result, it may freeze, causing failure of the normal ventilation function and damage to the pipeline. In view of this, the present invention adds the following configuration.

Referring to FIG. 3, the air vent pipe 12 penetrates the side surface of the tank 10 in an actual ship and is in a state of being able to communicate with the atmosphere. In particular, the drain pipe 20 which is branched from the air vent pipe 12 and penetrates the tank 10 to the outside of the tank 10, such as the cargo hold 18, is installed.

In this case, the drain pipe 20 is connected to the portion having the lowest height among all sections of the air vent pipe 12 so as to be able to communicate with each other. In addition, the drain pipe 20 may be disposed outside the tank 10 through various paths in addition to the method of penetrating the tank 10.

Accordingly, the drain pipe 20 performs a function of discharging the condensed water stored in the air vent pipe 12 to the outside, thereby resulting in the freezing of the air vent pipe 12 resulting from freezing of the condensed water due to the temperature drop of the outside air. ) Damage can be prevented more actively.

Referring to FIG. 4, the installation state of the air vent pipe according to the present invention can be described in more detail. In the drawing, a portion denoted by “X” indicates that the air vent pipe 12 has a side portion of the tank 10. It means the point penetrated.

The longage 24 installed at the lower part of the main deck 22 centering on the expansion member 14 installed at the free end of the inboard vent part 12a is connected to the air vent pipe through the inlet of the expansion member 14. The air hole 24a which enables communication with the inside of 12 is formed.

At this time, the inlet of the expansion member 14 is arranged to have a predetermined distance from the lower portion of the main deck 22 to enable free inflow and outflow of air therein, particularly formed in the longage 24 It is possible to ensure free flow of air through the air hole 24a.

In addition, an auto closing valve 26 for controlling opening and closing of the pipe is installed at the free end of the drain pipe 20 in the cargo hold 18. The auto closing valve 26 selectively controls the opening and closing of the conduit to the drain pipe 20 when the condensed water stored in the air vent pipe 12 is discharged to the outside through the drain pipe 20. To make it possible.

That is, the auto closing valve 26 is opened as needed to allow the external discharge of condensate through the drain pipe 20, and closes when not necessary, so that the inside of the cargo hold 18 in accordance with the external discharge of condensation. Pollution problems can be solved.

Therefore, the ventilation device of the ship tank according to the present invention penetrates the upper portion of the tank 10, under the condition that the air vent pipe 12 can not be installed, penetrates the side of the tank 10 to the inner upper portion of the tank 10 By installing the air vent pipe 12 arranged to reach the space, it is possible to implement a normal ventilating function, and in particular, with the expansion member 14 mounted on the inboard vent 12a, It is possible to ensure free inflow and outflow of air into the air vent pipe 12 through the air hole 24a formed in the lower portion 24 located below.

In addition, the present invention is to prevent damage to the pipeline through the external discharge of the condensate through the installation of the auto closing valve 26 with the installation of the drain pipe 20 branched from the lower portion of the air vent pipe 12 to the outside In addition to being able to prevent, it is possible to prevent unwanted contamination by the discharged condensate.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limited to the particular details of the embodiments set forth herein. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.

10-tank 12-air vent pipe
12a-outboard vent 12b-outboard vent
14-expansion 16-vent head
18-cargo 20-drain pipe
22-main deck 24-long
24a-Air Hole 26-Auto Closing Valve

Claims (5)

As an air vent device installed in the tank 10 of the ship,
An air vent pipe 12 installed through the side surface of the tank 10;
An inboard vent part 12a installed at one end of the air vent pipe 12 and disposed in the tank 10 toward the upper space; And
And an outboard vent (12b) provided at the other end of the air vent pipe (12) and disposed upward from the outside of the tank (10). The method according to claim 1,
Said inboard vent (12a) is a ventilating device of the ship tank, characterized in that for mounting the expansion member (14) for expanding the flow cross-sectional area of the fluid. The method according to claim 2,
The longage 24 installed at a lower position of the main deck 22 adjacent to the expansion pipe member 14 allows an air hole to communicate with the inside of the air vent pipe 12 through an inlet of the expansion pipe member 14. A venting device for a ship tank, characterized by forming 24a. The method according to any one of claims 1 to 3,
A venting device of the ship tank further comprises a drain pipe (20) branched from the air vent pipe (12) is installed to the outside of the tank (10). The method of claim 4,
Ventilation device of the ship tank, characterized in that it further comprises an auto closing valve (26) installed in the drain pipe (20) to control the opening and closing of the pipeline.
KR1020120111755A 2012-10-09 2012-10-09 Ventilation system for tank of vessels KR20140046627A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120111755A KR20140046627A (en) 2012-10-09 2012-10-09 Ventilation system for tank of vessels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120111755A KR20140046627A (en) 2012-10-09 2012-10-09 Ventilation system for tank of vessels

Publications (1)

Publication Number Publication Date
KR20140046627A true KR20140046627A (en) 2014-04-21

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Application Number Title Priority Date Filing Date
KR1020120111755A KR20140046627A (en) 2012-10-09 2012-10-09 Ventilation system for tank of vessels

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KR (1) KR20140046627A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114104201A (en) * 2021-10-13 2022-03-01 中国船舶工业集团公司第七0八研究所 Assembling type container cabin butt joint device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114104201A (en) * 2021-10-13 2022-03-01 中国船舶工业集团公司第七0八研究所 Assembling type container cabin butt joint device

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