阅读说明：本技术 船舶 (Ship ) 是由 云石隆司 上野一匡 于 2018-02-26 设计创作，主要内容包括：本发明提供一种船舶(1),具备：船体(2),在内部具有机舱(3)；主发动机(4),设置于机舱(3)内,由在汽化时比重比空气大的燃料驱动；地板(18),设置于机舱(3)；排气管道(8),具有朝向地板(18)开口的排气导入口(9)和在船体(2)的外部开口的排气排出口(10)；以及排气扇(24),设置于排气管道(8)内,经由排气导入口(9)以使地板(18)的上表面成为负压的方式进行抽吸。(The present invention provides a kind of ship (1), has: hull (2), has cabin (3) in inside；Sustainer (4) is set in cabin (3), by the specific gravity fuel driven bigger than air in vaporization；Floor (18) is set to cabin (3)；Exhaust pipe (8) has the exhaust outlet (10) of the exhaust introducing port (9) and the external opening in hull (2) that are open towards floor (18)；And exhaust fan (24), it is set in exhaust pipe (8), via exhaust introducing port (9) so that the mode that the upper surface of floor (18) becomes negative pressure is aspirated.)

1. a kind of ship, has:

Hull has cabin in inside；

Sustainer is set in the cabin, by the specific gravity fuel driven bigger than air in vaporization；

Floor is set to the cabin；

Exhaust pipe has the exhaust discharge of the exhaust introducing port being open towards the floor and the external opening in the hull Mouthful；And

Exhaust fan is set in the exhaust pipe, via the exhaust introducing port so that the upper surface on the floor becomes negative The mode of pressure is aspirated.

2. ship according to claim 1, wherein have:

Admission line, the air inlet with the air inlet outlet in the cabin inner opening and the external opening in the hull import Mouthful；And

Supply fan is set in the admission line, by the air of the outside of the hull via the air inlet introducing port to institute It states in cabin and imports.

3. ship according to claim 2, wherein

The exhaust pipe is individually formed with the admission line.

4. ship described in any one of claim 1 to 3, wherein

The cabin is divided into multiple layers by the floor,

Lower openings of the exhaust introducing port in the layer.

5. ship according to any one of claims 1 to 4, wherein

The floor is affixed to the sustainer and the scaffold with through hole,

The lower opening of the through hole of the exhaust introducing port in the scaffold.

6. ship according to claim 5, wherein

Have a seal gas ejection device, the seal gas ejection device with by the gas on the scaffold to the main hair The mode that motivation side pushes back sprays seal gas.

7. ship according to claim 2, wherein

The exhaust pipe and the admission line are integrally formed as intake and exhaust pipeline.

8. ship according to claim 7, wherein

With reversible blower, the reversible blower is configured at the exhaust outlet of the intake and exhaust pipeline, has logical It crosses and is rotated to a direction to import the air of the outside of the hull into the cabin and by being rotated to another direction Carry out the impeller to the external air being discharged in the cabin of the hull.

9. ship described according to claim 1~any one of 8, wherein have:

Booster is driven by the energy of the exhaust gas of the sustainer；And

The booster is connected to by sustainer admission line with the external of the hull.

10. ship described according to claim 1~any one of 9, wherein

The fuel is liquefied petroleum gas.

Technical field

The present invention relates to ships.

The application based on April 7th, 2017 in the Japanese Patent Application 2017-076903 filed an application of Japan claims priority Power, and here cite its content.

Background technique

As the ship for the sustainer for having diesel engine etc., there is known go forward side by side with admission line and exhaust pipe The ship of the ventilation of row cabin is (such as referring to patent document 1.).In the ship, supplied via admission line to the cabin of ship It to combustion air, and will include the air of the hot gas generated in cabin to the external discharge of hull.

Summary of the invention

Problems to be solved by the invention

However it is intended to strengthen oxysulfide (SO in the field of ship_x) etc. harmful substance, air pollutants row It provides out, and it is expected the ship of the fuel using hardly sulfur-bearing.

However, the hardly sulfur-bearing of liquefied petroleum gas (LPG, Liquefied Petroleum Gas: liquefied petroleum gas) etc. Fuel due in the case where vaporized specific gravity it is bigger than air, therefore there is following worry: in fuel just in case supplying to cabin Piping given etc. can not be discharged from cabin and stay in cabin in the case where leaking.

The purpose of the present invention is to provide a kind of ships, even if the specific gravity fuel bigger than air when having used in vaporization In the case of, it also can easily be done ventilation when leakage.

A technical solution to solve project

First method according to the present invention, ship have: hull, have cabin in inside；Sustainer is set to described In cabin, by the specific gravity fuel driven bigger than air in vaporization；Floor is set to the cabin；Exhaust pipe has direction The exhaust outlet of the exhaust introducing port and the external opening in the hull of the floor opening；And exhaust fan, it is set to In the exhaust pipe, aspirated in a manner of making the upper surface on the floor become negative pressure via the exhaust introducing port.

Through this structure, even if the specific gravity combustion bigger than air when the fuel as sustainer has been used in vaporization In the case where material, it can also make to accumulate and be arranged in the gas comprising vaporized fuel of the upper surface on floor to the external of hull Out.

Can also have in above-mentioned ship: admission line, have the cabin inner opening air inlet outlet with The air inlet introducing port of the external opening of the hull；And supply fan, it is set in the admission line, by the outer of the hull The air in portion is imported via the air inlet introducing port into the cabin.

It is also possible to the exhaust pipe in the ship to be individually formed with the admission line.

By such a structure, the balance of intake and exhaust can be obtained, to most suitably keep the inside of cabin Temperature etc. environment.

It is also possible in above-mentioned ship, the cabin is divided into multiple layers by the floor, and the exhaust introducing port exists The lower openings of the layer.

Through this structure, can by comprising accumulate in the floor of each layer lower part vaporized fuel gas to The external discharge of hull.

It is also possible in above-mentioned ship, the floor is affixed to the sustainer and the foot hand with through hole Frame, the lower opening of the through hole of the exhaust introducing port in the scaffold.

By such a structure, the gas comprising vaporized fuel in scaffold can will be accumulated via through hole External discharge to hull.

Can also have seal gas ejection device in above-mentioned ship, the seal gas ejection device is with by the foot Gas in hand cradle sprays seal gas to the mode that the sustainer side pushes back.

By such a structure, it can make to accumulate and stayed on scaffold in the gas of scaffold and inhibit gas into ship Diffusion.

It is also possible in the ship, the exhaust pipe and the admission line are as intake and exhaust pipeline one shape At.

It also can have reversible blower in the ship, be configured at the exhaust discharge of the intake and exhaust pipeline Mouthful, have imported by being rotated to a direction into the cabin air of the outside of the hull and by another Direction rotates the impeller to the external air being discharged in the cabin of the hull.

By such a structure, the system taken a breath to cabin can be manufactured with low cost.

Can also have in above-mentioned ship: booster is driven by the energy of the exhaust gas of the sustainer；And main hair The booster is connected to by motivation admission line with the external of the hull.

By such a structure, by the sustainer air inlet pipe for being independently arranged booster relative to admission line Road is readily able to obtain by the balance of the air inlet and exhaust of admission line and exhaust pipe progress.

It is also possible in above-mentioned ship, the fuel is liquefied petroleum gas.

By such a structure, due to the hardly sulfur-bearing in liquefied petroleum gas, therefore ship can be made to be suitable for sulphur Oxide (SO_x) countermeasure.

Invention effect

Through the invention, even if having used the specific gravity fuel bigger than air when vaporizing in the fuel as sustainer In the case of, it also can be by accumulation in external discharge of the gas comprising vaporized fuel to hull of the upper surface on floor.

Detailed description of the invention

Fig. 1 is the sectional view from the ship cephalocaudal direction of the ship of first embodiment of the invention.

Fig. 2 be the ship cephalocaudal direction of the ship from second embodiment of the present invention from enlarged cross-sectional view.

Fig. 3 be the ship cephalocaudal direction of the ship from third embodiment of the present invention from sectional view.

Specific embodiment

(first embodiment)

It is described in detail with reference now to ship of the attached drawing to first embodiment of the invention.

As shown in Figure 1, the ship 1 of present embodiment has: in the internal hull 2 with cabin 3；It is set in cabin 3 Sustainer 4；By the booster 14 of the energy driving of the exhaust gas of sustainer 4；To cabin 3 supply burning air into Feed channel 5；By the exhaust pipe 8 and control device 28 of the gas discharge in cabin 3.Admission line 5 and exhaust pipe 8 are independent It is formed.

Admission line 5 and exhaust pipe 8 are functioned as the system taken a breath to cabin 3.

In addition, in the following description, making the ship cephalocaudal direction of the direction ship 1 perpendicular to paper of Fig. 1.Make Fig. 1 Left and right directions be ship 1 width direction W.

Hull 2 has main part 12 and bridge portion 13.Bridge portion 13 is arranged in the center of the width direction W of main part 12 It protrudes upwards.

Sustainer 4 is, for example, diesel engine.The main shaft of sustainer 4 rotates propeller (not shown).Ship 1 has For generator (not shown), the boiler etc. as subsidiary engine.

Sustainer 4 has the main shaft receiving portion 15 of receiving main shaft and accommodates the cylinder part 16 of multiple cylinders.In each gas Piston is accommodated in cylinder.The main shaft of sustainer 4 extends on ship cephalocaudal direction.Multiple cylinders arrange on ship cephalocaudal direction.

Ship 1 has the sustainer admission line 11 of the air for the outside that hull 2 is imported to booster 14.Sustainer Admission line 11 is tubular part extended in the vertical direction, and to the external opening of hull 2, lower end and booster 14 connect for upper end It connects.

The fuel of sustainer 4 is liquefied petroleum gas (LPG, LiquefiedPetroleumGas: liquefied petroleum gas).LPG It is with the gaseous fuel as main component such as propane butane.That is, sustainer 4 is driven by LPG.

LPG is vaporized under the atmosphere of room temperature and standard atmospheric pressure.LPG specific gravity when vaporized is bigger than air.That is, vaporized LPG there is the property be detained in lower section.

The fuel of sustainer 4 is not limited to LPG, can also be using methanol, ethyl alcohol, dimethyl ether etc..

Multiple floors 18 are internally provided in cabin 3.The inside of cabin 3 is by multiple 18 stratifications of floor.It floor 18 will Cabin 3 is divided into multiple layers 19.Floor 18 extends from the center of inner surface 2a towards the width direction W of hull 2 of hull 2.Ground The interarea of plate 18 is orthogonal with up and down direction.

In addition, the scaffold 20 functioned as floor is provided in sustainer 4.Scaffold 20 is fixed on master and starts Machine 4.Scaffold 20 is set near the center of the up and down direction of the sustainer 4 extended on ship cephalocaudal direction.Scaffold 20 Extend on ship cephalocaudal direction along the side of sustainer 4.The end of scaffold 20 is provided with railing 21.Scaffold 2 is for example It can be formed by metal mesh.The interarea of scaffold 20 is orthogonal with up and down direction.

Admission line 5 is the component of circular tube shaped extended in the vertical direction or rectangular tubular.The top of admission line 5 End be import hull 2 outside air air inlet introducing port 6.That is, admission line 5 is connected to the external of hull 2.Air inlet Pipeline 5 extends in the up-down direction by such a way that main part 12 avoids sustainer 4.

The end of the lower section of admission line 5 is located near the back side on undermost floor 18.

Admission line 5 has multiple air inlet outlets 7 in 3 inner opening of cabin.Air inlet outlet 7 is on the top of each layer 19 It is configured in a manner of the air downward to be blown the outside of hull 2.

In addition, the air inlet outlet 7B of sustainer 4 is to be blown the air of the outside of hull 2 towards sustainer 4 Mode configures.

Admission line 5 has the supply fan 23 being set in admission line 5.Supply fan 23 has motor and by motor The impeller of rotation is the device that the gas into admission line 5 is energized.Hull 2 is imported into cabin 3 by supply fan 23 Outside air.

Exhaust pipe 8 is the circular tube shaped extended in a manner of the inner surface along hull 2 or the component of rectangular tubular.Exhaust The end of the top of pipeline 8 is the exhaust outlet 10 that gas is discharged in the external opening of hull 2.That is, exhaust pipe 8 and ship The external connection of body 2.Exhaust pipe 8 is open towards the floor 18 in cabin 3, with multiple gas suckings by cabin 3 It is vented introducing port 9.

Exhaust pipe 8 has the exhaust fan 24 being set in exhaust pipe 8.Exhaust fan 24 has motor and impeller, is The device that gas into exhaust pipe 8 is energized.Exhaust fan 24 meets explosion-proof specification, the structural portion of motor, impeller etc. Part is formed by the material for being not likely to produce spark of aluminium etc..In addition, static electrification in order to prevent, is provided with ground terminal in exhaust fan 24 Son.Pass through gas of the exhaust fan 24 into the external discharge cabin 3 of hull 2.

The intake-gas in a manner of making the upper surface on floor 18 become negative pressure of exhaust fan 24.

Detector 27 is configured in the downstream side of exhaust fan 24.Detector 27 is that detection is flowing through exhaust pipe In 8 gas whether the sensor of the imflammable gas containing LPG.

Detector 27 is electrically connected with control device 28, and control device 28 is determined referring to by detector 27 The concentration of imflammable gas.

In addition, control device 28 is electrically connected with exhaust fan 24.Control device 28 by detector 27 detect can In the case that the concentration of combustion gas body is specified value or more, the control for increase the revolving speed of exhaust fan 24 is carried out.

Exhaust pipe 8, which has, to be configured at the exhaust pipe first part 8a in bridge portion 13, is configured at the exhaust of main part 12 Conduit second portion 8b and exhaust pipe Part III 8c.Exhaust pipe first part 8a, exhaust pipe second part 8b and row Feed channel Part III 8c is serially connected.

Exhaust pipe first part 8a extends in the up-down direction in bridge portion 13.Exhaust pipe second part 8b is along master The mode of the lower surface of the deck 12a in body portion 12 extends on width direction W.Exhaust pipe Part III 8c is along main part 12 The mode of inner surface 2a of side extend.

Introducing port 9 is vented in the lower openings of each layer 19.Herein, the lower part of each layer 19, which refers to, works as the height for setting layer 19 as H When, the range from the upper surface on floor 18 until H/3.

Be vented introducing port 9 towards ship 1 width direction W central opening.That is, exhaust introducing port 9 be easy to be taken into from The shape for the gas that the center of the width direction W of ship 1 is flowed towards the outside of width direction W.

Although illustrating only a pair of of admission line 5 and exhaust pipe 8 in Fig. 2, admission line 5 and exhaust pipe 8 exist It is arranged on ship cephalocaudal direction multiple.

Here, when paying close attention to the layer 19A of the top of the ship side of a side of ship 1, air inlet discharge corresponding with this layer of 19A Mouth 7 and exhaust introducing port 9 are configured to cooperation to take a breath to air.

Specifically, from the air inlet outlet 7A near the center of width direction W for being configured at hull 2 towards hull 2 Air is discharged in the outside of width direction W.Gas comprising the air being discharged from air inlet outlet 7A is from the width for being configured at hull 2 The exhaust introducing port 9A in the outside of direction W is taken into.That is, configuration exhaust is led on the direction from air inlet outlet 7A discharge air Entrance 9A.Consequently, it is possible to efficiently take a breath.

Next, the effect of the admission line 5 of the ship of present embodiment 1 and exhaust pipe 8 is illustrated.

In the case that the gas made of LPG vaporization is leaked from sustainer 4 or booster 14, since LPG is in vapour The specific gravity fuel bigger than air when change, therefore gas accumulation is in the upper surface on floor 18.In other words, vaporized LPG will not be to Top discharge, and can stay in board.

The upper surface on floor 18 becomes negative pressure by the exhaust fan 24 of exhaust pipe 8.Thus, accumulation is in the upper table on floor 18 The gas in face is imported via exhaust introducing port 9 to exhaust pipe 8.The gas imported to exhaust pipe 8 is via exhaust outlet The 10 external discharge to hull 2.

By above embodiment, even if having used the specific gravity ratio when vaporizing of LPG etc. in the fuel as sustainer 4 In the case where the big fuel of air, also can by accumulation in the upper surface on floor 18 the gas comprising vaporized fuel to ship The external discharge of body 2.

In addition, have the admission line 5 of supply fan 23 come the knot of the initiatively air of the outside of air inlet hull 2 by being arranged Structure can obtain the balance of intake and exhaust, to optimally keep the environment of temperature of inside of cabin 3 etc..

In addition, by making the exhaust introducing port 9 of exhaust pipe 8 in the lower openings on the floor 18 of each layer 19, can make to store Gas comprising vaporized fuel of the product in the lower part on the floor 18 of each layer 19 is discharged to the external of hull 2.

It in addition, can by being provided independently from the sustainer admission line 11 of booster 14 relative to admission line 5 It is easy to obtain the balance of the intake and exhaust carried out by admission line 5 and exhaust pipe 8.

In addition, by using liquefied petroleum gas as fuel, due to the hardly sulfur-bearing, therefore energy in liquefied petroleum gas Ship is enough set to be suitable for oxysulfide (SO_x) countermeasure.

In addition, by controlling turning for exhaust fan 24 based on the concentration of the imflammable gas determined by detector 27 Speed can be such that exhaust capacity improves in the case where LPG has leaked.

(second embodiment)

It is described in detail with reference now to ship of the attached drawing to second embodiment of the present invention.It should be noted that In the present embodiment, it is described centered on the difference of above-mentioned first embodiment, identical part is omitted Its explanation.

The discharge that the ship of present embodiment is discharged with the gas that will be accumulated in the scaffold 20 that sustainer 4 is arranged in Pipeline.

As shown in Figure 2, multiple through holes 22 penetrated through in the up-down direction are formed in the scaffold of present embodiment 20. Through hole 22 is multiple along extending direction (the mainly ship cephalocaudal direction) arrangement of scaffold 20.Through hole 22 is configured at scaffold 20 4 side of sustainer.

Be fixed on the railing 21 of the scaffold 20 of present embodiment with by the gas on scaffold 20 to sustainer 4 The mode that side pushes back sprays the seal gas ejection device 26 of seal gas.That is, the seal gas of seal gas ejection device 26 Ejiction opening by by the gas of the upper surface of scaffold 20 to 4 side of sustainer in a manner of be directed toward.

Although the compressed air source of the seal gas ejection device 26 of present embodiment is air compressor, it may also be From the structure for the air groove supply compressed air being equipped in cabin 3.

In addition, seal gas ejection device 26 is not necessarily to be fixed on the railing 21 of scaffold 20, it both can be via bracket etc. Support member is fixed on sustainer 4, can also be fixed on hull side.

The exhaust pipe 8B of present embodiment exhaust introducing port 9 scaffold 20 through hole 22 underneath towards foot hand Frame 20 is open.The exhaust introducing port 9 of present embodiment is configured at the upper surface for making scaffold 20 by the suction force of exhaust fan 24 Become the position of negative pressure.The exhaust introducing port 9 of exhaust pipe 8B can also penetrate through the through hole 22 of scaffold 20 and be projected into foot The top of hand cradle 20.

Next, the effect of the exhaust pipe 8B of the ship of present embodiment is illustrated.

In the case that the gas made of LPG vaporization is leaked from sustainer 4 or booster 14, gas is accumulated in foot hand The upper surface of frame 20.The gas accumulated in the upper surface of scaffold 20 is empty by the sealing sprayed by seal gas ejection device 26 Gas is pushed back to 4 side of sustainer.Thus, gas is left on scaffold 20.

The upper surface of scaffold 20 becomes negative pressure by the exhaust fan 24 of exhaust pipe 8B.Thus, stay in scaffold 20 On gas import exhaust pipe 8B via the through hole 22 that is formed in scaffold 20 and exhaust introducing port 9.It is imported into exhaust pipe The gas of road 8B is discharged via exhaust outlet 10 to the external of hull 2.

According to above embodiment, it can make to accumulate the gas comprising vaporized fuel in scaffold 20 via perforation External discharge of the hole 22 to hull 2.

In addition, seal gas is sprayed in a manner of pushing back the gas on scaffold 20 to 4 side of sustainer being arranged Seal gas ejection device 26, can make to accumulate and stayed on scaffold 20 in the gas of scaffold 20, inhibit gas in board Diffusion.

(third embodiment)

It is described in detail with reference now to ship of the attached drawing to third embodiment of the present invention.It should be noted that It is described centered on the difference of above-mentioned first embodiment in the present embodiment.

As shown in Figure 3, the ship 1C of present embodiment has: in the internal hull 2 with cabin 3；It is set in cabin 3 Sustainer 4；By the booster 14 of the energy driving of the exhaust gas of sustainer 4；The fuel for supplying fuel to sustainer 4 supplies The intake and exhaust pipeline 50 of the air of burning is supplied to device 30 and to cabin 3.

Intake and exhaust pipeline 50 is functioned as the system taken a breath to cabin 3, supplies fire to cabin 3 under normal conditions The air of burning, in case of emergency as the pipeline that the gas in cabin 3 is discharged.

Fuel supply system 30 is the device that fuel is supplied to sustainer 4, includes the main tank of storage liquefied petroleum gas 31；With such as about working tank 32 of the capacity of daily dose；The boosting for making the liquefied petroleum gas imported from working tank 32 boost Device 33；Carry out fuel supply/cutting fuel valve gear train 34 (Fuel Valve Train:FVT, the combustion to sustainer 4 Material valve gear train) and fuel feed pipe 35 from fuel to sustainer 4 that import.

Working tank 32, increasing apparatus 33 and FVT34 are contained in gas-fired equipment room 36.Be provided in gas-fired equipment room 36 by The exhaust pipe 37 of gas discharge in gas-fired equipment room 36 and the introducing port 40 that outside air is imported into gas-fired equipment room 36. Exhaust pipe 37 has the exhaust fan 38 being set in exhaust pipe 37.Combustion gas is discharged to the external of hull 2 by exhaust fan 38 Gas in canyon 36.

Detector 39 is configured near the floor of gas-fired equipment room 36.Be provided in gas-fired equipment room 36 by In the case that the concentration for the fuel gas that detector 39 detects is specified value or more, display device which is shown (not shown).Information of the operator based on display device can make to arrange in the case where the concentration of fuel gas is specified value or more 38 operating of gas fan, is discharged fuel gas via exhaust pipe 37.

Although these structures are wanted in addition, depicting main tank 31, gas-fired equipment room 36 etc. in the outside of hull 2 in Fig. 3 Element is contained in the inside of hull 2.

The side in the bridge portion 13 of present embodiment is provided with skylight 42.Skylight 42 is as the gas in discharge cabin 3 Outlet function.

Fuel feed pipe 35 is formed by bimetallic tube.That is, fuel feed pipe 35 has the inside tube for importing fuel and is set to The outboard tube of the peripheral side of inside tube.Space between inside tube and outboard tube remains negative pressure by exhaust fan 43.Will in Gas between side pipe and outboard tube is provided with gas inspection into the piping 44 of the exterior guiding of hull 2, with exhaust fan 43 together Survey device 45.That is, there is the fuel supply system 30 of present embodiment detection gas fuel to let out from the inside tube of fuel feed pipe 35 The function of leakage.

Intake and exhaust pipeline 50 has intake and exhaust pipe main body 51 extended in the vertical direction and from intake and exhaust pipe main body 51 to side direction branch multiple intake and exhaust pipe extensions 52.Intake and exhaust pipe main body 51 is with intake and exhaust pipe extension 52 The component of circular tube shaped or rectangular tubular.

The end of the top of intake and exhaust pipe main body 51 is to import the air of the outside of hull 2 and the interior of hull 2 is discharged The porting 53 of the gas in portion.That is, intake and exhaust pipeline 50 is connected to the external of hull 2.Intake and exhaust pipeline 50 is in main part 12 modes for avoiding sustainer 4 extend in the up-down direction.

Intake and exhaust pipe main body 51, which has, to be open towards the floor 18 of the lowest level 19B in cabin 3 and is taken into cabin 3 The exhaust introducing port 54 of gas.

Introducing port 54 is vented in the lower openings of lowest level 19B.Herein, the lower part of lowest level 19B, which refers to work as, sets lowest level When the height of 19B is H, the range from the upper surface on floor 18 until H/3.

Exhaust introducing port 54 is provided with the opening and closing device 55 of opening and closing exhaust introducing port 54.Opening and closing device 55 is by by rotating The so-called butterfly damper of axis and the opening and closing member rotated centered on rotary shaft composition is formed.

From 51 branch of intake and exhaust pipeline main part, the ceiling along each layer 19 extends intake and exhaust pipe extension 52.

Intake and exhaust pipeline 50 has multiple air inlet outlets 57 in 3 inner opening of cabin.Air inlet outlet 57 is in each layer 19 Outside of the top to be blown hull 2 downward air in a manner of configure.

In addition, the air inlet outlet 57B of sustainer 4 is to spray the air of the outside of hull 2 towards sustainer 4 Mode configures.

Intake and exhaust pipeline 50 has the reversible blower 59 being set in admission line 50.Reversible blower 59 has electronic Machine and the impeller rotated by motor, are the devices that the gas into intake and exhaust pipeline 50 is energized.

The impeller of reversible blower 59 forms the shape with reversible, by rotating to a direction come to cabin 3 The air of the interior outside for importing hull 2, by rotating to another direction come the air in the external discharge cabin 3 to hull 2. That is, the admission line 50 of present embodiment be integrally formed air exhaust pipeline into the external discharge cabin 3 of hull 2 and to The component of the admission line of the air of the outside of hull 2 is imported in cabin 3.

Detector 60 is configured with around the base portion of sustainer 4 near the floor of lowest level 19B.Gas inspection Survey device 60 be detect around the base portion of sustainer 4 whether the sensor of the imflammable gas containing LPG.

In the case where the concentration of the imflammable gas detected by detector 60 is specified value or more, the information example The display device of gas-fired equipment room 36 can be such as shown in.Operator based on the information of display device imflammable gas concentration In the case where more than specified value, exhaust fan 38 can be made to transport in a manner of the air in the external discharge cabin 3 to hull 2 Turn, and imflammable gas is discharged via intake and exhaust pipeline 50.

Although intake and exhaust pipeline 50 is on ship cephalocaudal direction in addition, illustrating only a pair of of intake and exhaust pipeline 50 in Fig. 3 It arranges multiple.

Next, the operating method of the intake and exhaust pipeline 50 of the ship of present embodiment 1 is illustrated.

In common operating, the air of the impeller of reversible blower 59 towards outside from hull 2 to cabin 3 that import Direction rotates.In addition, the opening and closing device 55 for being set to exhaust introducing port 54 of intake and exhaust pipeline 50 is in off state.

Thus, the air of the outside of hull 2 is imported into cabin 3 via intake and exhaust pipeline 50, and natural via skylight 42 The air in cabin 3 is discharged.

In the case that gas, that is, imflammable gas made of LPG vaporization has leaked from sustainer 4 or booster 14, Imflammable gas is accumulated in the upper surface on the floor of lowest level 19B 18.

Since imflammable gas is accumulated in the upper surface on the floor of lowest level 19B 18, therefore detector 60 detects The leakage of imflammable gas.The information being detected is shown in display device.Operator makes to be opened and closed based on the information of display device Device 55 becomes open state, and makes the impeller of reversible blower 59 towards the air in the external discharge cabin 3 to hull 2 Direction rotate via intake and exhaust pipeline 50 be discharged fuel gas.

By above embodiment, even if having used the specific gravity ratio when vaporizing of LPG etc. in the fuel as sustainer 4 In the case where the big fuel of air, also can will comprising accumulate in the floor of lowest level 19B 18 upper surface vaporized combustion External discharge of the gas of material to hull 2.

In addition, make the blower reversible blower 59 for being set to intake and exhaust pipeline 50, and by intake and exhaust pipeline 50 into Traveling gas and exhaust can manufacture the system taken a breath to cabin 3 with more inexpensive.

More than, although the embodiments of the present invention are described in detail with reference to the drawings, specific structure is not by this Embodiment limits, and also includes the design alteration etc. for not departing from the range of purport of the invention.

Industrial availability

Through the invention, even if having used the specific gravity fuel bigger than air when vaporizing in the fuel as sustainer In the case of, the gas comprising accumulation in the vaporized fuel of the upper surface on floor can be also discharged to the external of hull.

Label declaration

1,1C ship

2 hulls

2a inner surface

3 cabins

4 sustainers

5 admission lines

6 air inlet introducing ports

7 air inlet outlets

8 exhaust pipes

8a exhaust pipe first

8b exhaust pipe second

8c exhaust pipe third portion

9 exhaust introducing ports

10 exhaust outlets

11 sustainer admission lines

12 main parts

The deck 12a

13 bridge portions

14 boosters

15 main shaft receiving portions

16 cylinder parts

17 hull bottom

18 floors

19 layers

20 scaffolds

21 railings

22 through holes

23 supply fans

24 exhaust fans

26 seal gas ejection devices

27 detectors

28 control devices

30 fuel supply systems

31 main tanks

32 working tanks

33 increasing apparatus

34 fuel valve gear trains

35 fuel feed pipes

36 gas-fired equipment rooms

37 exhaust pipes

38 exhaust fans

39 detectors

40 introducing ports

42 skylights

43 exhaust fans

44 pipings

45 detectors

50 intake and exhaust pipelines

51 intake and exhaust pipe main bodies

52 intake and exhaust pipe extensions

53 portings

54 exhaust introducing ports

55 opening and closing devices

57 air inlet outlets

59 reversible blowers

60 detectors