JP2002037193A - Ventilating structure for independent emergency generator room for ship - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ventilating structure for an independent emergency generator room for a ship capable of supplying fresh air into the generator room. SOLUTION: This ventilating structure of the independent emergency generator room for the ship is constituted by supporting a housing box body 2 for housing at least an emergency generator set 6, an emergency distribution panel 7, a starting battery, and a fuel tank 11 on a deck in the vicinity of a building of the ship. This ventilating structure is made respectively different in a surface or a position for arranging air supply ports 20 in the housing box body 2, a surface for arranging exhaust ports 21 in the housing box body 2 and a surface for arranging an exhaust gas port 24 in the housing box body 2, the air supply ports 20 and the exhaust ports 21 are arranged in a plurality, and the area of the whole exhaust ports 21 is set not less than the area of the whole air supply ports 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a ventilation structure for ventilating the inside of a marine independent emergency power generation room for independently storing a set of emergency power generation devices for a ship.

[0002]

2. Description of the Related Art It is well known that an emergency power generator is generally installed on a ship in addition to a normal power generator. Since such an emergency power generator is used in a special environment such as a ship, it is placed on the upper deck of the ship's building to keep it usable for a long time even when the ship is abnormal, Even fresh water or seawater (hereinafter,
(Referred to as "seawater"), there is a need for a structure that can continue operation even when exposed to seawater.

FIG. 7 is a plan view showing a layout structure of a marine emergency power generation device which satisfies the conditions required for the above-mentioned marine emergency power generation device. In FIG. 7, the ship 101 is the building 10
The building 102 is provided with a living room 103 and the like, and an installation deck 104 on the upper side of the building 102 has an independent emergency power generation room 105 for ships.
Is fixedly supported. In addition, the upper installation deck 104
The other upper deck 106 is provided with stairs 107, 107. Reference symbol C represents the center of the hull of the ship 101.

FIG. 8 is a perspective view showing a conventional independent emergency power generation room for a ship supported and fixed to the above-mentioned installation deck and a ventilation structure for ventilating the power generation room. FIG. 9 is a diagram for explaining the flow of air when ventilated by the ventilation structure. In FIG. 8, an independent emergency power generation room 10 for ships is used.
5 is a rectangular storage box 110 with an upper installation deck 1.
04. The inner partition wall 1 is biased toward the forward side of the hull inside the storage box 110.
11 are provided, and are separated into a machine room 112 and a tank room 113 by the internal partition 111.

[0005] In a machine room 112 of the storage box 110, an emergency generator set 114, an emergency switchboard 115, a transformer 116, and a starter battery (not shown) are housed. Further, the emergency generator set 114 includes the generator 1
17 and a power generation engine (power generation engine) 118. A fuel tank 119 is housed and fixed in the tank chamber 113 of the storage box 110.

[0006] The ventilation structure of the independent emergency power generation room for ships is constructed as follows. As shown in FIG. 8, an air supply port 120 is provided on an upper side surface of the tank room 113 of the storage box 110 on the building 102 side (hull center C) side. An opening 121 is provided above the internal partition 111 of the storage box 110, as shown in FIG.

As shown in FIG. 8, an exhaust port 123 is provided on the upper side of the machine room 112 of the storage box 110 on the building 102 side (the center C of the hull). This exhaust port 1
The exhaust port of the exhaust gas pipe 124 faces 23. As a result, a part of the exhaust port 123 communicates with the exhaust port of the power generation engine 118 via the exhaust gas pipe 124 as shown in FIG. Also, this exhaust port 123 is
It communicates with the cooling air discharge port of the power generation engine 118 via the exhaust duct 125. Reference numeral 126 denotes a door having a watertight structure, and maintenance and the like can be performed by the door 126.

The reason why the air supply port 120 and the exhaust gas pipe 124 are arranged on the side of the storage box 110 on the side of the building 102 (the center C of the hull) and on the upper side of the storage box 110 is as follows. This is to prevent seawater or the like from entering the storage box 110 even when exposed to seawater or the like.

The flow of air in such a ventilation structure will be described with reference to FIG. When the power generation engine 118 operates, a fan (not shown) that cools the power generation engine 118 operates to draw air in the machine room 112 of the storage box 110 and cool the power generation engine 118 with the air. , And the air is supplied to the exhaust port 12 through the exhaust duct 125.
3 (reference numeral 200 in FIG. 9). Similarly, the power generation engine 118 drives the generator 117 by motive power obtained by sucking air in the machine room 112 of the storage box 110 and burning fuel. The exhaust gas discharged from the power generation engine 118 is discharged from the exhaust port 123 through the exhaust gas pipe 124 (reference numeral 201 in FIG. 9).

Along with this, outside fresh air is supplied to the air inlet 12.
0 flows into the machine room 112 through the opening 121 (reference numeral 203 in FIG. 9). Some of the air entering the machine room
In addition to being used for combustion of the power generation engine 118 (FIG. 9)
204), and is also used to cool the power generation engine 118 (205 in FIG. 9). A part of the air that has entered the machine room cools the generator 117 (reference numeral 20 in FIG. 9).
6) The transformer 116 is cooled (207 in FIG. 9), and the emergency switchboard 115 is cooled (208 in FIG. 9). The air that has cooled them is used as air that cools the power generating engine 118 (209 in FIG. 9). That is, the air in the machine room 112 of the storage box 110 is discharged by the cooling fan of the power generation engine 118 to the exhaust duct 125,
The air is exhausted from the exhaust port 123 to the outside.

[0011]

However, in the above-mentioned conventional ventilation structure, the air supply port 120, the exhaust port 123, and the exhaust port of the exhaust gas pipe 124 are on the same plane, and these are provided close to each other. In addition, the exhaust from the exhaust port 123 and the exhaust gas from the exhaust port of the exhaust gas pipe 124 hit the wall surface of the building 102, and the warm air and the exhaust gas are supplied again from the air supply port 120. That means
The following issues occurred.

(1) By resupplying exhaust gas,
The power generation chamber is contaminated with the exhaust gas, and causes damage to the electronic equipment of the emergency switchboard 115. (2) When the power generation chamber is contaminated with exhaust gas, the combustion efficiency of the power generation engine deteriorates, and in the worst case, the power generation engine may stop. (3) By re-supplying warm air, the temperature in the power generation chamber rises, the cooling efficiency decreases, and the equipment is adversely affected. SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and has as its object to provide a ventilation structure for an independent emergency power generation room for ships that can supply fresh air to the power generation room.

[0013]

In order to achieve the above object, the ventilation structure for an independent emergency power generation room for a marine vessel according to the first aspect of the present invention includes at least an emergency generator set, an emergency switchboard, and a starter. In a ventilation structure in which a storage box body for storing a battery and a fuel tank is supported on a deck near a building of a ship and which can ventilate the interior of an independent emergency power generation room for a ship, an air supply port is provided in the storage box. A surface or a position to be installed on a body, a surface where an exhaust port is installed in the storage box, and a surface where an exhaust gas port is installed in the storage box are different from each other.

According to the first aspect of the present invention, the exhaust port is disposed on the storage box and the exhaust port is disposed on the storage box, utilizing the point that the exhaust gas and the exhaust rise due to the warmness. The surface or the position where the air supply port is arranged in the storage box body is changed so that exhaust gas and exhaust gas are not re-inhaled into the air supply port, so that fresh air can always be taken into the generator room. it can. The invention according to claim 2 of the present application is the invention according to claim 1, wherein a plurality of the air supply ports and the air exhaust ports are provided, and the area of all the air exhaust ports is set to be equal to or larger than the area of all the air supply ports. Is what you do. In the invention according to claim 3 of the present application, in the invention according to claim 1 or 2, the air supply port includes at least a first air supply port and a second air supply port, and the first air supply port Is formed on the lower side surface of the storage box body on the building side, the second air supply port is formed on the upper side surface of the storage box body in the traveling direction of the ship, and the exhaust port is at least the first air supply port. An exhaust port and a second exhaust port,
The first exhaust port is provided on the upper side surface of the storage box 2 on the building side, and communicates with an exhaust path that exhausts only air that has cooled the power generator of the emergency generator set, and An exhaust port is provided on the other side of the upper part of the storage box 2 on the building side, and communicates with an exhaust path for exhausting air that has cooled the generator, emergency switchboard, and other devices of the emergency generator set. The exhaust gas port is provided on an upper surface of the storage box. In the invention according to claim 4 of the present application, in the invention according to claim 3, the second air supply port is configured such that the second air supply port and a side wall of the fuel tank are part of a side wall of the storage box body. In addition, the other side wall of the fuel tank is configured as an internal partition wall of the storage box body, an opening is provided at an upper portion of the partition wall, and the opening communicates with a duct provided at an upper inside of the storage box body. It is characterized by becoming. In the invention according to claim 5 of the present application, in the invention according to claim 3, the first air supply port is provided in an opening provided on a side surface of the storage box and the opening on a front surface side of the storage box. The first air supply port is provided with a water intrusion prevention mechanism inside the opening. In the invention according to claim 6 of the present application, in the invention according to claim 5, the water intrusion prevention mechanism includes a box body inside the opening and surrounding the opening, and a water provided inside the box body. With the entry baffle,
And an opening through which the air that has passed through the water entry baffle passes. In the invention according to claim 7 of the present application, in the invention according to claim 3, the second exhaust port exhausts three types of air that has cooled a generator of an emergency generator set, an emergency switchboard, and other devices. Or
The generator of the emergency generator set is cooled by the air that has cooled the emergency switchboard and other equipment, and is connected to the air supply passage that exhausts the air after cooling the generator of the emergency generator set. It is characterized by the following.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. [First Embodiment] FIG. 1 is a perspective view showing a ventilation structure of an independent emergency power generation room for ships according to an embodiment of the present invention.

The independent emergency power generation room for a ship shown in FIG. 1 is used by being attached to an installation deck of a ship building shown in FIG. In FIG. 1, an independent emergency power generation room for boats (hereinafter simply referred to as “power generation room”) 1 is configured as follows. That is, the power generation room 1 is configured by fixing the rectangular storage box 2 on the upper installation deck (see FIG. 7) with the support.

The storage box 2 is configured as follows. That is, the joint 2 provided on the upper part of the lower storage box 2a
b, the storage box 2 is configured by fixing the lid 2c to the lower storage box 2a. Inside the storage box 2, an internal partition wall 3 is provided so as to be biased toward the hull front side, and the power generation room 1 is separated into a machine room 4 and a tank room 5 by the internal partition wall 3.

The machine room 4 of the power generation room 1 houses an emergency generator set 6, an emergency switchboard 7, a transformer 8, and a starter battery (not shown). The emergency power generator set 6 includes a power generator 9 and a power generator (hereinafter, referred to as a “power generation engine”) 10. The power generation engine 10 is provided with a cooling fan (not shown) for cooling the engine 10.

A fuel tank 11 is housed and fixed in the tank chamber 5 of the power generation chamber 1. The side wall of the fuel tank 11 is formed as a part of the side wall of the storage box 2 in the traveling direction of the ship, and the other side wall of the fuel tank 11 is a part of the inner partition wall 3 of the storage box 2. Is configured as

The ventilation structure of the power generation room 1 is constructed as follows. That is, the ventilation structure of the power generation room 1 first includes a surface or a position where the air supply port 20 is installed in the storage box 2, a surface where the exhaust port 21 is installed in the storage box 2, and an exhaust gas port 24. The surfaces provided on the storage box 2 are different from each other. Further, in this ventilation structure, a plurality of the supply ports 20 and the exhaust ports 21 are provided.

More specifically, the ventilation structure of the power generation room 1 is as follows. The air supply port 20 includes at least a first air supply port 20a and a second air supply port 20b. Of course, providing more air supply ports is no problem at all. These first air inlet 20a and second air inlet 20
b makes it possible to supply fresh air to the inside of the power generation chamber 1 constituted by the storage box 2.

As shown in FIG. 1, the first air supply port 20a is provided on the lower side of the side of the machine room 4 of the storage box 2 on the side of the building (the center C of the hull (see FIG. 7)). . The reason why the first exhaust port 21a is provided in the lower part of the side of the storage room 2 on the building side of the machine room 4 is that the cool air is on the lower side. A water intrusion prevention mechanism, which will be described in detail later, is provided inside the first air supply port 20a.

As shown in FIG. 1, the second air supply port 20b is provided on the upper side of the tank room 5 of the storage box 2 on the side of the hull advancing direction. Also, the storage box 2 of the power generation room 1
An opening 19 is provided in the upper part of the internal partition 3 inside the inside, and communicates the machine room 4 and the tank room 5. The reason why the second air supply port 20b is provided on the upper side surface on the hull traveling direction side is that a building is usually provided in the traveling direction, and seawater and the like rarely reach the second air supply port 20b. That is, if it is provided on the upper side, seawater or the like enters little, and even if seawater or the like enters from the second air supply port 20b, since the tank room 5 exists, the seawater or the like enters directly into the machine room 4. This is because doing so is less.

Next, the exhaust port 21 is provided with at least the first
Exhaust port 21a and a second exhaust port 21b.
Of course, providing more exhaust ports is no problem. The first exhaust port 21a and the second exhaust port 21b are
It is possible to discharge hot air after cooling the above various devices inside the power generation chamber 1.

The first exhaust port 21a is provided on an upper side surface of the storage box 2 on the building side, and exhausts only air that has cooled the power generation engine 10 of the emergency generator set 6. It is the one that was communicated with. In particular,
The first exhaust port 21a communicates with a cooling air exhaust port of the power generation engine 10 via an exhaust duct 22.

The second exhaust port is provided on the other side of the upper part of the storage box 2 on the building side, and connects the generator 9 of the emergency generator set 6, the emergency switchboard 7, and other devices. The cooling air is communicated with an exhaust path for exhausting the cooled air. Specifically, an exhaust fan 23 is provided on the back surface of the second exhaust port 21b, and the internal space of the storage box 2 is used as an exhaust path.

As described above, the first exhaust port 21a and the second
The reason why the exhaust port 21b is disposed on the upper side surface of the storage box 2 on the building (hull center C) side is that the exhaust port 21b is provided on the upper side surface of the building side even if it is exposed to seawater or the like. This is for preventing the ingress of air and the like, and for preventing the short circuit from being formed by using the property that the warm air rises.

The exhaust gas port 24 is connected to the emergency generator set 6
The exhaust gas discharged from the power generation engine 10 can be exhausted, and is disposed on the upper surface of the storage box 2 as shown in FIG. This exhaust gas port 24 is shown in FIG.
As shown in the figure, the exhaust gas pipe 25 communicates with the exhaust port of the power generation engine 10. This exhaust gas port 24 is
Although shown in FIG. 1 as being discharged upward from the upper surface of the storage box 2, it is configured to be discharged to the upper surface of the storage box 2 in a structure (not shown) such that seawater or the like does not enter. ing.

The reason why the exhaust gas port 24 is disposed on the upper surface of the storage box 2 is that the exhaust gas is discharged from the upper portion of the storage box 2 to the upper space by utilizing the fact that warm air has a rising property. This is to prevent a short circuit from being formed. Note that reference numeral 26
Is a door having a watertight structure, and maintenance and the like can be performed by the door 26.

FIG. 2 is a diagram showing a first configuration example of the water entry prevention mechanism provided at the first air supply port. FIG. 2 shows an example in which the first air supply port 20a is provided in the door 26. A first air supply port 20a provided in the door 26
Is provided with an opening 27 having a predetermined area and a rag 28 provided on the surface side of the opening 27. The first air supply port 20a is provided with a water intrusion prevention mechanism 30 inside the opening 27.

The water entry preventing mechanism 30 is provided with the opening 27
A box body 31 surrounding the opening 27 and inside
It comprises a water entry baffle 32 provided inside the box 31 and an opening 33 provided in the box 31 and through which the air passing through the water entry baffle 32 passes. The water entry baffle 32 is rotatably fixed to the box 31 via a hinge 34 at a lower portion thereof.

In addition, the water entry baffle 32 is usually
As shown in FIG. 7, the airbag is mounted at an angle so as not to hinder the passage of air, and is configured to close the opening 33 when seawater or the like enters. Therefore, the air entering through the opening 27 enters the machine room 4 through the opening 33 as shown by the arrow J in FIG.
The seawater or the like entering through the opening 27 is discharged from the lower part of the opening 27 by closing the opening 33 by the water intrusion baffle 32, so that seawater or the like can be prevented from entering the machine room 4.

FIG. 3 is a diagram showing a second configuration example of the water entry prevention mechanism provided at the first air supply port. FIG. 3 also shows an example in which the first air supply port 20a is provided in the door 26. Water intrusion prevention mechanism 3 in FIG.
0a is a water intrusion prevention mechanism 30 shown in FIG.
The first configuration example differs from the first configuration example in that the water entry baffle 32 is fixed and the box 31 is long.

That is, the second configuration example is different from the first embodiment in that the first air supply port 20a is provided with an opening 27 having a predetermined area and a gallery 28 provided on the surface side of the opening 27. This is the same as the first configuration example.

The water intrusion prevention mechanism 30a of the second configuration example
, The box 31a is formed inside the opening 27, surrounds the opening 27, and is formed up to the upper side of the door 26. An opening 33a is formed in the upper part of the long box 31a, and the water entry baffle 3 is provided between the opening 27 and the opening 33a and inside the box 31a.
2a is fixed. As a result, air entering through the opening 27 enters the machine room 4 through the opening 33a as shown by an arrow J in FIG. 3, but seawater and the like entering through the opening 27 are obstructed by the water entry baffle 32a. As a result, the water is drained from the lower part of the opening 27.

The flow of air in such a ventilation structure will be described based on FIGS. 1 to 3 and with reference to FIG. Here, FIG. 4 is a diagram for explaining the flow of air when ventilated by the ventilation structure shown in FIG. First, when the power generation engine 10 is to be operated, the second exhaust port 21
b, the air inside the power generation chamber 1 is exhausted by the exhaust fan 23 to the second exhaust port 21b.
(H1 in FIG. 1, reference numeral 5 in FIG. 4)
0).

Next, when the power generation engine 10 operates,
A fan (not shown) that cools the power generation engine 10 operates to draw air in the machine room 4 of the storage box 2 and cool the power generation engine 10 with the air. The air is discharged from the first exhaust port 21a through the air outlet (H2 in FIG. 1, reference numeral 51 in FIG. 4).

Similarly, the power generation engine 10 drives the generator 9 by the power obtained by sucking the air in the machine room 4 of the housing 2 and burning the fuel. The exhaust gas discharged from the power generation engine 10 is discharged from the exhaust gas port 24 to the upper surface of the storage box 2 via the exhaust gas pipe 25 (H3 in FIG. 1, reference numeral 52 in FIG. 4). Along with this, outside fresh air flows into the machine room 4 from the second air supply port 20b through the opening 19 (S1 in FIG. 1), and the power generation engine 10
And used to cool the emergency switchboard 7, the transformer 8, the generator 9 and the engine 10 (53 in FIG. 4).

Similarly, outside fresh air is supplied to the first air supply port 20.
1 flows into the machine room 4 (S2 in FIG. 1) and is mainly used for cooling the emergency switchboard 7, the transformer 8, and the generator 9 (reference numeral 54 in FIG. 4).

As described above, the first exhaust port 21a and the second exhaust port 21b are provided on the upper side surface of the storage box 2 on the building side, and the exhaust gas port 24 is discharged to the upper surface of the storage box 2.
Further, since the first air supply port 20a is provided at the lower part of the storage box 2 on the building side and the second air supply port 20b is provided at the side of the storage box 2 in the hull traveling direction, the first exhaust port 21a and the 2nd exhaust port 2
The hot exhaust gas discharged from the exhaust gas port 1b rises, the gas discharged from the exhaust gas port 24 also rises, and cool air can be taken in from the first air supply port 20a and the second air supply port 20b. Since fresh air can be supplied into the machine room 4 without supplying air, the following advantages are obtained.

(1) The exhaust gas is not resupplied,
Since the power generation chamber is not contaminated with exhaust gas, the function can be maintained without impairing the electronic equipment of the emergency switchboard 115. (2) Since the power generation chamber is not contaminated with exhaust gas, the combustion efficiency of the power generation engine is improved. (3) Since warm air is not resupplied, the rise in the temperature in the power generation chamber can be suppressed, the cooling efficiency is improved, and the equipment operates reliably.

[Second Embodiment] FIG. 5 shows a second embodiment of the present invention.
It is a figure which shows the ventilation structure of the independent emergency power generation room for ships which concerns on embodiment. FIG. 6 is a diagram for explaining the flow of air when ventilated by the ventilation structure shown in FIG.

The second embodiment differs from the first embodiment in that the exhaust fan provided in the second exhaust port 21b is eliminated, and the air that has cooled the generator 9 is exhausted by the exhaust duct 35. The point leading to the first exhaust port 21 b and one end of the air supply duct 36 provided at the upper part of the machine room 4 are connected to the opening 19.
And the other end of the air supply duct 36 is extended to the vicinity of the upper part of the transformer 8 in the machine room 4, and the other configuration is completely the same as that of the first embodiment.

Therefore, the same components as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted. Note that, also in the second embodiment, the first air supply port 20a is provided with the water entry prevention mechanism 30 shown in FIG. 2 or the water entry prevention mechanism 30a shown in FIG.

Next, the operation of the ventilation structure having such a configuration will be described based on FIG. 5 and with reference to FIG. First, when the power generation engine 10 operates, a fan (not shown) that cools the power generation engine 10 operates to draw air in the machine room 4 of the storage box 2 and cool the power generation engine 10 with the air. After that, the air is discharged from the first exhaust port 21a through the exhaust duct 22 (H11 in FIG. 5, reference numeral 6 in FIG. 6).
1).

Similarly, the power generating engine 10 drives the generator 9 by the power obtained by sucking the air in the machine room 4 of the housing 2 and burning the fuel. The exhaust gas discharged from the power generation engine 10 is discharged from the exhaust gas port 24 to the upper surface of the storage box 2 through the exhaust gas pipe 25 (H12 in FIG. 5, reference numeral 62 in FIG. 6). Air cooled by an air-cooling fan (not shown) that cools the generator 9 is discharged to the outside from the second exhaust port 21b through the exhaust duct 35 (H13 in FIG. 5, reference numeral in FIG. 6). 63).

Along with this, outside fresh air flows into the machine room 4 from the second air supply port 20b through the opening 19 and the air supply duct 36 (S11 in FIG. 5), and the power generation engine 10
Exhaust gas pipe 25, emergency switchboard 7, transformer 8, generator 9, and engine 1 for power generation.
0 (reference numeral 64 in FIG. 6). Similarly, outside fresh air flows into the machine room 4 from the first air supply port 20a (S12 in FIG. 5), and is mainly used for cooling the emergency switchboard 7, the transformer 8, and the generator 9. (6 in FIG. 6)
5).

The air that has cooled the emergency switchboard 7 and the transformer 8 is drawn into the cooling fan of the generator 9 (reference numeral 66 in FIG. 6) and also drawn into the cooling fan of the engine 10 for power generation. (Reference numeral 6 in FIG. 6)
7).

As described above, the air sucked into the generator 9 and the generator engine 10 is supplied to the first exhaust port 21.
a and the second exhaust port 21b (H11 and H13 in FIG. 5, reference numerals 61 and 63 in FIG. 6). According to the second embodiment, the same operation and effect as those of the first embodiment can be obtained.

In the first embodiment and the second embodiment, the example in which two air supply ports 20 and two air exhaust ports 21 are provided has been described. However, three or more air supply ports 20 and three or more air ports may be provided. Not even. In short, the air supply port 20 is provided on a different surface from the exhaust port 21 on the lower side as much as possible, and a water intrusion prevention mechanism is provided in the air supply port 20 so as to prevent seawater or the like from entering.
By providing the exhaust port 21 and the exhaust gas port 24 on the upper side as much as possible, a short circuit may not be formed with the air supply port 20.

[0051]

As described above, according to the present invention, the storage box housing at least the emergency generator set, the emergency switchboard, the starting battery and the fuel tank is supported on the deck near the ship building. Ventilation structure that can ventilate the interior of the independent emergency power room for ships, consisting of a surface or position where the air supply port is installed in the containment box, and a surface where the exhaust port is installed in the containment box Since the exhaust gas ports are provided on different sides of the storage box, and a plurality of air supply ports and exhaust ports are provided, the following advantages can be obtained.

(1) The exhaust gas is not resupplied,
Since the power generation chamber is not contaminated with exhaust gas, the function can be maintained without impairing the electronic equipment of the emergency switchboard 115. (2) Since the power generation chamber is not contaminated with exhaust gas, the combustion efficiency of the power generation engine is improved. (3) Since warm air is not resupplied, the rise in the temperature in the power generation chamber can be suppressed, the cooling efficiency is improved, and the equipment operates reliably.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a ventilation structure of a marine independent emergency power generation room according to an embodiment of the present invention.

FIG. 2 is a diagram showing a first configuration example of a water intrusion prevention mechanism provided in a first air supply port in the first embodiment.

FIG. 3 is a diagram showing a second configuration example of the water entry prevention mechanism provided in the first air supply port in the first embodiment.

FIG. 4 is a diagram for explaining the flow of air when ventilated by the ventilation structure according to the first embodiment.

FIG. 5 is a diagram showing a ventilation structure of a marine independent emergency power generation room according to a second embodiment of the present invention.

FIG. 6 is a diagram for explaining the flow of air when ventilated by the ventilation structure according to the second embodiment.

FIG. 7 is a plan view showing an arrangement structure of a marine independent emergency power generation room.

FIG. 8 is a perspective view showing a conventional independent emergency power generation room for ships and a ventilation structure for ventilating the power generation room.

FIG. 9 is a diagram for explaining the flow of air when ventilated by a conventional ventilation structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Independent emergency power generation room for ships (power generation room) 2 Storage box 3 Internal partition 4 Machine room 5 Tank room 6 Emergency generator set 7 Emergency switchboard 8 Transformer 9 Generator 10 Generator engine (power generation engine) 11 Fuel tank 20 Supply port 20a First supply port 20b Second supply port 21 Exhaust port 21a First exhaust port 21b Second exhaust port 22 Exhaust duct 23 Exhaust fan 24 Exhaust gas port 25 Exhaust gas pipe 26 Door 27 Opening 28 Gully 30, 30a Water entry prevention mechanism 31, 31a Box 32, 32a Water entry baffle 33, 33a Opening 35 Exhaust duct 36 Air supply duct

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI theme coat ゛ (Reference) F25D 1/00 F25D 1/00 Z

Claims (7)

[Claims] 1. A stand-alone emergency power generator for ships, wherein at least an emergency generator set, an emergency switchboard, a storage battery housing a starting battery and a fuel tank are supported on a deck near a ship building. In a ventilation structure capable of ventilating the inside of a room, a surface or a position where an air supply port is installed in the storage box, a surface where an exhaust port is installed in the storage box, and a surface where an exhaust gas port is installed in the storage box. And a ventilation structure for an independent emergency power generation room for ships. 2. The independent emergency marine vessel according to claim 1, wherein a plurality of the air inlets and the air outlets are provided, and the area of all the air outlets is set to be equal to or larger than the area of the entire air inlet. Ventilation structure of power generation room. 3. The air supply port has at least a first air supply port and a second air supply port, and the first air supply port is formed on a lower side surface of the storage box body on the building side. The second air supply port is formed on an upper side surface of the storage box body in the traveling direction of the ship, and the exhaust port includes at least a first exhaust port and a second exhaust port. The first exhaust port is provided on the upper side surface of the storage box body on the building side, and communicates with an exhaust path that exhausts only air that has cooled the power generating engine of the emergency generator set. Provided on the other side of the upper part of the building side of the storage box, and the generator of the emergency generator set,
3. The independent marine vessel according to claim 1, wherein the emergency switchboard communicates with an exhaust path that exhausts air that has cooled other equipment, and the exhaust gas port is provided on an upper surface of the containment box. 4. Ventilation structure of emergency power room. 4. The second air supply port, wherein the second air supply port and a side wall of the fuel tank are configured as a part of a side wall of the storage box, and the other side wall of the fuel tank is 4. An internal partition wall of the storage box body, wherein an opening is provided at an upper part of the partition wall, and the opening part communicates with a duct provided at an upper inside of the storage box body.
The ventilation structure for an independent emergency power generation room for a ship according to the above. 5. The first air supply port comprises an opening provided on a side surface of the storage box, and a gallery provided in the opening on the front side of the storage box. The ventilation structure for an independent emergency power generation room for a ship according to claim 3, wherein a water entrance prevention mechanism is provided inside the opening at the vent. 6. The water intrusion prevention mechanism includes a box inside the opening and surrounding the opening, a water intrusion baffle provided inside the box, and a water intrusion baffle. 6. An opening through which incoming air is provided.
The ventilation structure for an independent emergency power generation room for a ship according to the above. 7. The second exhaust port cools a generator of an emergency generator set, an emergency switchboard, and other equipment.
Exhausting the seed air, or cooling the generator of the emergency generator set with the air that has cooled the emergency switchboard and other equipment, and exhausting the air after cooling the generator of the emergency generator set 4. The ventilation structure for an independent emergency power generation room for a ship according to claim 3, wherein the ventilation structure communicates with an exhaust passage.