KR102138024B1 - Fire fighting nozzle for heli-deck - Google Patents

Abstract

The present invention relates to a fire extinguishing nozzle for a heli deck, and more specifically, it is installed in a recessed state on a helitech, and is popped up (POP-UP) by the water pressure of the fire extinguishing liquid supplied during fire extinguishing to extinguish the liquid into the fire zone. The present invention relates to a fire extinguishing nozzle that can not only be sprayed, but can easily solve the nozzle clogging phenomenon caused by foreign matter or the like that is generated due to long periods of non-use.
The present invention is fixed on the heli deck and communicates with the water supply pipe, and projecting along the inner circumferential surface on the inside, the tubular body portion formed with a nozzle support portion for supporting the nozzle portion; A nozzle unit which is installed inside the body unit and is pushed upward by the flow of the digestion liquid supplied to the body unit, and moves up and down in proportion to the amount of pressure applied inside the body unit, and sprays water to the outside; A head portion which is installed on the nozzle portion and is recessed in an arc shape along a side surface and has an injection guide surface for guiding the injection direction of the fire extinguishing liquid sprayed from the nozzle portion; And it is installed on the lower outer surface of the nozzle portion, when lifting the nozzle portion, the upper end is in close contact with the lower surface of the nozzle support, elastic member for elastically supporting the nozzle portion; can provide a fire extinguishing nozzle for a helitech.

Description

FIRE FIGHTING NOZZLE FOR HELI-DECK

The present invention relates to a fire extinguishing nozzle for a heli deck, and more specifically, it is installed in a recessed state on a helitech, and is popped up (POP-UP) by the water pressure of the extinguishing liquid supplied during fire extinguishing, and the extinguishing liquid into the fire zone The present invention relates to a fire extinguishing nozzle capable of easily dissolving a nozzle clogging phenomenon caused by foreign substances and the like that is not only possible to be sprayed but also unused for a long time.

In general, commercial vessels such as large container ships and cruise oil tankers, or offshore plants such as drill ships, floating, production, storage and offloading (FPSO), etc., are long over a long period of time. Helicopters are required to operate or move as an efficient and rapid means of transportation for the transportation of personnel or goods as they stay or move in the country.

Therefore, ships and offshore structures are equipped with a helideck on the bow or stern for takeoff and landing of helicopters, and helicopters take off and take off using heli decks.

Here, the heli deck can be largely composed of a pancake (Pancake) forming a deck floor (deck floor) for the helicopter to take off and land, and a pancake support for supporting the pancake. A take-off and landing surface formed in connection with each other, while other attachments for heli-deck such as lighting facilities are installed, while the pancake support part is a lower support structure of the pancake, which extends long in a direction intersecting with the extending direction of the flank and is disposed at the lower side of the flank to form a pancake part. It may include a plurality of aluminum H-beams to support, and a plurality of steel H-beams, which are elongated in a direction intersecting the extending direction of the aluminum H-beams and are disposed under the aluminum H-beams to support the aluminum H-beams. .

On the other hand, when an accident occurs when the helicopter takes off and lands on the helicopter deck, there is a possibility that the helicopter or the oil leaked from the helicopter may lead to a fire on the helicopter deck.

In this case, first, the safety of the pilot must be secured, and in addition, rapid fire suppression is required to prevent an explosion or the transfer of fire to ships or offshore structures. Fire-extinguishing systems should be installed to extinguish.

A large number of sprinklers may be installed in the pancake portion to extinguish the fire on the heli-deck.

The sprinkler installed in the pencake part can be installed in such a way that the upper surface of the pancake part, that is, the take-off and landing surface, is divided into a number of zones, and an appropriate number is disposed in each zone, spraying extinguishing fluids such as fresh water, seawater, or foam. It can be provided with a nozzle for.

Conventional sprinkler nozzles are installed exposed to the top of the pancake portion for smooth spraying of fire extinguishing fluid, but when landing the helicopter, they may break or break down due to collision with the wheel or skid of the helicopter, thereby solving this problem. In order to do so, Korean Registered Patent No. 10-1523915 has known the technology of the heli-deck depression type fire nozzle device, and Korean Registered Patent No. 10-1533759 is normally closed in the deck and pops up with water pressure during operation. (POP-UP) There has been a known technique for a fire extinguisher nozzle for a heli-deck that sprays water while the spray tip rotates.

However, it is operated only in the case of a conventional sprinkler fire, and when not used for a long period of time, a nozzle clogging phenomenon may occur due to foreign matter introduced from the outside, which may directly decrease the fire suppression rate by reducing injection efficiency.

Republic of Korea Registration No. 10-1523915 (2015.05.22.) Republic of Korea Registration No. 10-1533759 (2015.06.29.)

The present invention has been devised to solve the above-mentioned problems, and the object of the present invention is to be installed in a recessed state on a helitech, and is popped up (POP-UP) by the water pressure of the extinguishing liquid supplied during fire extinguishing. It is to provide a fire-extinguishing nozzle for a heli-deck capable of spraying extinguishing fluid into the body.

In addition, the object of the present invention is to control the pop-up height according to the size of the internal pressure applied by the water pressure of the extinguishing fluid supplied during fire extinguishing, so that when a nozzle clogging phenomenon due to foreign matter occurs due to long-term unused, heli that can be easily solved It is to provide a fire extinguishing nozzle for a deck.

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

In order to achieve the above object, the present invention is fixed on the heli deck and communicates with the water supply pipe, and a tubular body portion formed with a nozzle support portion protruding along an inner circumferential surface to support the nozzle portion; A nozzle unit which is installed inside the body unit and is pushed upward by the flow of the digestion liquid supplied to the body unit, and moves up and down in proportion to the amount of pressure applied inside the body unit, and sprays water to the outside; A head portion which is installed on the nozzle portion and is recessed in an arc shape along a side surface and has an injection guide surface for guiding the injection direction of the fire extinguishing liquid sprayed from the nozzle portion; And it is installed on the lower outer surface of the nozzle portion, when lifting the nozzle portion, the upper end is in close contact with the lower surface of the nozzle support, elastic member for elastically supporting the nozzle portion; can provide a fire extinguishing nozzle for a helitech.

At this time, the body portion, the upper end is projected outward along the outer circumferential surface is seated on the upper surface of the pancake portion of the heli-deck, characterized in that the lower end is directly connected to the tip of the water supply pipe.

In addition, the nozzle portion, located above the nozzle support, a disc-shaped upper body having a plurality of injection holes penetratingly formed, extending downwardly from the lower surface of the upper body, and having a rod shape installed through the center of the nozzle support portion Characterized in that it comprises a lower body.

In addition, the nozzle support unit is characterized in that a plurality of flow paths are formed to vertically penetrate from the lower surface to the upper surface so that the digestive fluid flows.

On the other hand, it characterized in that it further comprises a fixing nut that is fastened on the lower end of the nozzle portion to prevent the elastic member is separated from the nozzle portion and lost.

The present invention is installed in a recessed state on the helitech and is designed to be popped up (POP-UP) by the water pressure of the fire extinguishing fluid supplied during the fire extinguishing, so that the fire extinguishing fluid can be injected into the fire area, thereby colliding with the helicopter wheel or skid. It reduces the risk and prevents damage to the fire extinguishing nozzle, which can effectively extinguish a fire in the event of a fire.

In addition, according to the present invention, the height of the pop-up is adjusted according to the size of the internal pressure exerted by the water pressure supplied by the fire or the fire extinguishing agent. By improving the injection efficiency of the fire suppression rate can be increased.

1 is a perspective view of a digestion nozzle for a heli deck according to a preferred embodiment of the present invention.
Figure 2 is an exploded perspective view of the digestion nozzle for a heli deck according to a preferred embodiment of the present invention.
Figure 3 is a cross-sectional view of the digestion nozzle for a heli deck according to a preferred embodiment of the present invention.
Figure 4 is a cross-sectional view showing a state of pop-up (POP-UP) fire extinguisher nozzle for a heli deck according to a preferred embodiment of the present invention.
Figure 5 is a cross-sectional view showing a state in which the foreign matter present on the digestion nozzle for a heli deck according to an embodiment of the present invention is removed.

Advantages and features of the present invention, and methods for achieving them will be clarified with reference to embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various different forms, and only the present embodiments allow the disclosure of the present invention to be complete, and the general knowledge in the technical field to which the present invention pertains. It is provided to fully inform the holder of the scope of the invention, and the invention is only defined by the scope of the claims.

Hereinafter, specific contents for carrying out the present invention will be described in detail with reference to the accompanying drawings. The same reference numerals refer to the same components regardless of the drawings, and "and/or" includes each and every combination of one or more of the mentioned items.

The terminology used herein is for describing the embodiments, and is not intended to limit the present invention. In the present specification, the singular form also includes the plural form unless otherwise specified in the phrase. As used herein, “comprises” and/or “comprising” does not exclude the presence or addition of one or more other components other than the components mentioned.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used as meanings commonly understood by those skilled in the art to which the present invention pertains. In addition, terms defined in the commonly used dictionary are not ideally or excessively interpreted unless specifically defined.

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

1 is a perspective view of a fire extinguishing nozzle for a heli deck according to a preferred embodiment of the present invention, and FIG. 2 is an exploded perspective view of a fire extinguishing nozzle for a heli deck according to a preferred embodiment of the present invention.

The fire extinguisher nozzle for the heli deck is designed to be installed in a recessed state on the heli-tech and pop-up (POP-UP) when extinguishing the fire, so that the fire extinguishing solution can be injected into the fire area. As shown in FIGS. 1 and 2, It includes a body part 10, a nozzle part 20, a head part 30, an elastic member 40 and a fixing nut 50.

The body portion 10 forms an outer periphery of the digestion nozzle, has an upper and lower open tube shape, and is fixed on a heli deck to communicate with a water supply pipe through which the digestion liquid is supplied.

More specifically, the body portion 10 is buried on the pen cake portion of the heli-deck, the upper portion protrudes outward along the outer circumferential surface is seated on the upper surface of the pen cake portion of the heli-deck.

That is, the lower surface of the protruding portion of the upper end is in close contact with the upper surface of the pen cake portion, so that the body portion 10 can be stably installed on the heli deck.

In addition, the body portion 10 has a lower end directly connected to the tip of the water supply pipe so that the extinguishing liquid used for extinguishing the fire can be supplied to the inside.

On the other hand, a nozzle portion 20 is installed inside the body portion 10.

The nozzle unit 20 is lifted upward by the flow of the digestion liquid supplied to the body portion 10 to spray the digestion liquid, and is downward from the bottom of the disk-shaped upper body 22 and the upper body 22. It includes a rod-shaped lower body 24 is formed to extend.

In addition, a plurality of injection holes 23 are formed through the upper body 22 to be used as a passage through which the digestion liquid is injected.

The fire extinguishing solution injected through the injection hole 23 is determined by the head portion 30 provided on the nozzle portion 20.

On the other hand, the lower portion of the nozzle portion 30, that is, the lower body 24 is provided with an elastic member 40 to elastically support the nozzle portion 30, the elastic member 40 is the nozzle portion 30 The fixing nut 50 is fastened on the lower end of the lower body 24 in order not to deviate from.

At this time, the lower portion of the lower body 24 is formed with a thread 25 corresponding to the thread formed on the inner circumferential surface of the fixing nut 50 so that the fixing nut 50 is screwed to the lower body 24 , By increasing the bonding force between the nozzle unit 30 and the fixing nut 50, it is possible to prevent the elastic member 40 from being lost.

Figure 3 is a cross-sectional view of the digestion nozzle for a heli deck according to a preferred embodiment of the present invention.

As illustrated in FIG. 3, inside the body portion 10, a nozzle support portion 12 protruding along an inner circumferential surface is formed.

The nozzle support portion 12 is to support the nozzle portion 20 installed inside the body portion 10, so that the upper body 22 of the nozzle portion 20 is located above the nozzle support portion 12 The nozzle unit 20 is supported so as not to fall downward, and the lower body 24 of the nozzle unit 20 is installed to penetrate through the center of the nozzle support unit 12 so that the nozzle unit 20 is The body portion 10 serves to support the flow of the digestive fluid supplied to the inside so as not to fluctuate in the left and right directions.

At this time, a hole having a diameter larger than the outer diameter of the lower body 24 is formed so that the center portion of the nozzle support portion 12 through which the lower body 24 is penetrated is smoothly moved up and down. The diameter of the hole is formed to be smaller than the outer diameters of the elastic member 40 and the fixing nut 50, thereby limiting the height at which the nozzle part 20 is elevated, that is, the range in which the fire extinguishing nozzle pops up.

In addition, a plurality of flow paths 13 vertically penetrating from the lower surface to the upper surface are formed in the nozzle support portion 12, and the extinguishing liquid passes through the flow path 13 to the nozzle portion 20, that is, the upper body 22 ) Is supplied to the injection hole 23 formed in the injection is made.

At this time, on the side of the head portion 30, an injection guide surface 32 recessed in an arc shape along an outer periphery is formed, and the extinguishing liquid sprayed from the injection hole 23 is injected along the injection guide surface 32. .

That is, the injection guide surface 32 serves to guide the injection direction of the digestion liquid.

4 is a cross-sectional view showing a state in which the digestion nozzle for a heli deck is popped up (POP-UP) according to a preferred embodiment of the present invention.

As shown in FIG. 4, the fire extinguishing liquid supplied to the body portion 10 presses and pushes down the lower surface of the lower body 24 of the nozzle portion 20, thereby causing the nozzle portion 20 to undergo hydraulic pressure. Is elevated and the head portion 30, which was located on the upper opening side of the body portion 10, is exposed on the upper side of the digestion nozzle.

That is, a passage through which the fire extinguishing solution is sprayed to the outside of the fire extinguishing nozzle may be formed by popping up the fire extinguishing nozzle when the nozzle unit 20 is elevated by water pressure.

At the same time, the fire extinguishing fluid passes through the flow path 13 and also presses the lower surface of the upper body 22 of the nozzle part 20 to help the nozzle part 20 move up and down.

In addition, when the nozzle part 20 is elevated, the upper end of the elastic member 40 is in close contact with the lower surface of the nozzle support part 12 to elastically support the nozzle part 20, and a coil spring as the elastic member 40 It is preferred to use, but is not limited thereto.

5 is a cross-sectional view showing a state in which foreign substances present on the digestion nozzle for a heli deck according to a preferred embodiment of the present invention are removed.

The lifting height of the nozzle part 20 is proportional to the size of the internal pressure of the body part 10, and as described above, when the nozzle part 20 is elevated and installed on the lower outer surface of the nozzle part 20, the nozzle The elastic support of the portion 20 controls the range in which the digestion nozzle pops up through compression and restoration.

In more detail, as shown in FIG. 5, when the foreign matter or the like flows out from the outside due to long-term use of the fire extinguishing nozzle, and the injection hole 23 through which the fire extinguishing solution is sprayed is blocked, the body portion 10 When the extinguishing solution is supplied, the pressure acting inside increases, and the nozzle part 20 is pressed upwards to push it higher than when the extinguishing fluid is smoothly sprayed.

Due to this, the rate at which the elastic member 50 is compressed increases, and the nozzle part 20 is formed such that a passage through which the foreign material is discharged is formed between the upper part of the body part 10 and the upper body 22. Make sure to ascend to the height.

However, after the foreign matter is removed, the elevating height of the nozzle unit 20, that is, the pop-up degree of the digestion nozzle, will be determined by the flow rate of the digestion liquid.

Although the embodiments of the present invention have been described with reference to the above and the accompanying drawings, those skilled in the art to which the present invention pertains can implement the present invention in other specific forms without changing its technical spirit or essential features. You will understand that there is. Therefore, it should be understood that the above-described embodiments are illustrative in all respects and not restrictive.

10: body part
12: nozzle support
13: Euro
20: nozzle unit
22: upper body
23: injection hole
24: lower body
25: thread
30: head portion
32: spray guide surface
40: elastic member
50: fixing nut

Claims (5)

It is fixed on the heli deck and communicates with the water supply pipe, protruding along the inner circumferential surface on the inside, the tubular body portion 10 is formed with a nozzle support portion 12 for supporting the nozzle portion 20;
It is installed inside the body portion 10 and is pushed upward by the flow of the digestion liquid supplied to the body portion 10, but is elevated in proportion to the amount of pressure acting inside the body portion 10, and goes outward. A nozzle unit 20 for spraying water;
A head portion 30 installed on the nozzle portion 20 and recessed in an arcuate shape along a side surface and having an injection guide surface 32 for guiding the injection direction of the fire extinguishing liquid sprayed from the nozzle portion 20; And
An elastic member 40 which is installed on the lower outer surface of the nozzle unit 20 and when the nozzle unit 20 is elevated, the upper end is in close contact with the lower surface of the nozzle support unit 12 and elastically supports the nozzle unit 20; It includes,
The nozzle support 12, a plurality of flow paths 13 are formed to vertically penetrate the lower surface to the upper surface so that the digestive fluid flows,
The nozzle part 20 is located above the nozzle support part 12, and a plurality of injection holes 23 are formed through a disk-shaped upper body 22, and the upper body 22 extends downward from the bottom. It includes a rod-shaped lower body 24 that is installed through the center of the nozzle support portion 12,
The fire extinguishing fluid supplied to the body portion 10 presses the upper body 22 and the lower body 24 to elevate the nozzle portion 20 to pop up the head portion 30, but inflow of foreign substances When the injection hole 23 is blocked, the nozzle unit 20 is further elevated to a height sufficient to form a passage through which the foreign substance is discharged between the upper portion of the body portion 10 and the upper body 22. A fire extinguishing nozzle for a heli deck, characterized in that. According to claim 1,
The body portion 10,
The upper portion protrudes outward along the outer circumferential surface to be seated on the upper surface of the pancake portion of the heli deck,
A fire extinguishing nozzle for a heli deck, characterized in that the lower end is directly connected to the tip of the water supply pipe. delete delete According to claim 1,
For the heli deck, characterized in that it further comprises a fixing nut (50) fastened on the lower end of the nozzle portion (20) to prevent the elastic member (40) from being detached from the nozzle portion (20) and lost. Digestion nozzle.

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