CN114701634A - Spraying system of dual-fuel ship and dual-fuel ship - Google Patents
Spraying system of dual-fuel ship and dual-fuel ship Download PDFInfo
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- CN114701634A CN114701634A CN202210350442.3A CN202210350442A CN114701634A CN 114701634 A CN114701634 A CN 114701634A CN 202210350442 A CN202210350442 A CN 202210350442A CN 114701634 A CN114701634 A CN 114701634A
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- 238000005507 spraying Methods 0.000 title claims abstract description 88
- 239000000446 fuel Substances 0.000 title claims abstract description 51
- 239000007921 spray Substances 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000013535 sea water Substances 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims description 24
- 230000009977 dual effect Effects 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 abstract description 8
- 239000003595 mist Substances 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 85
- 239000003949 liquefied natural gas Substances 0.000 description 76
- 230000000694 effects Effects 0.000 description 8
- 239000000779 smoke Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
- B63H21/383—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like for handling cooling-water
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
- A62C3/10—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in ships
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to the technical field of ships and discloses a spraying system of a dual-fuel ship and the dual-fuel ship. The spraying system of the dual-fuel ship comprises a water inlet pipe, a tank body spraying pipeline, a filling station spraying pipeline and a gas treatment room spraying pipeline. The water inlet pipe can be communicated with a seawater pipe system of the ship; the two tank body spraying pipelines are respectively arranged at the tops of the two LNG tank bodies and communicated with the water inlet pipe, and a plurality of spray heads are arranged on each group of tank body spraying pipelines at intervals; the two filling station spraying pipelines are arranged at the tops of the two filling stations, the filling station spraying pipelines are communicated with the water inlet pipe, and a plurality of spray heads are arranged on the filling station spraying pipelines; the spray pipeline of the gas treatment room is arranged at the top of the gas treatment room and communicated with the water inlet pipe, and a plurality of spray heads are arranged on the spray pipeline of the gas treatment room at intervals. The invention realizes spraying water mist to the LNG supply system, can realize the functions of cooling and fire extinguishing to the LNG supply system, and improves the safety of ships.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a spraying system of a dual-fuel ship and the dual-fuel ship.
Background
With the improvement of environmental awareness of people, the global control on the gas emission of ships is increasingly strict, and the call for environment-friendly fuels in shipping is higher and higher. LNG (Liquefied Natural Gas) is gaining increasing attention as a clean energy source. Usually, the dual-fuel ship adopts LNG and diesel oil as power sources together to reduce pollutant emission. The double-fuel ship is provided with an LNG supply system, the LNG supply system comprises LNG tanks, a filling station and a TCS (Tank Connection Space, a gas processing room), two C-shaped LNG tanks are placed on a ship deck, a gas supply chamber is arranged between the two LNG tanks, and the filling station is also arranged on the deck and used for filling LNG to the LNG tanks. Due to the flammability and explosiveness of LNG, the safety of a dual-fuel ship is low.
Based on this, there is a need for a spraying system of a dual-fuel ship and a dual-fuel ship for solving the above problems.
Disclosure of Invention
The invention aims to provide a spraying system of a dual-fuel ship and the dual-fuel ship, so that water mist can be sprayed to an LNG providing system, the LNG providing system can be cooled and put out a fire, and the safety of the ship is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a spray system for a dual fuel vessel, comprising:
the water inlet pipe can be communicated with a seawater pipe system of a ship, and a pump is arranged on the water inlet pipe;
the two groups of tank body spraying pipelines are respectively arranged at the tops of the two LNG tank bodies, the tank body spraying pipelines are communicated with the water inlet pipe, and a plurality of spray heads are arranged on each group of tank body spraying pipelines at intervals;
the two groups of filling station spraying pipelines are respectively arranged at the tops of the two filling stations, the filling station spraying pipelines are communicated with the water inlet pipe, and a plurality of spray heads are arranged on each group of filling station spraying pipelines at intervals;
the spray pipeline is arranged at the top of the gas treatment room, the spray pipeline is communicated with the water inlet pipe, and a plurality of spray heads are arranged on the spray pipeline at intervals.
As an optional technical scheme of the spraying system of the dual-fuel ship, the tank body spraying pipeline comprises a tank body main pipe and a plurality of tank body branch pipes, the tank body main pipe is communicated with the water inlet pipe, the tank body branch pipes are communicated with the tank body main pipe, each tank body branch pipe is provided with at least one sprayer, and the tank body main pipe is connected with a TCS platform arranged above the LNG tank body.
As an optional technical scheme of a spraying system of a dual-fuel ship, a plurality of supporting pieces are fixedly arranged at the top of an LNG tank body, and the tops of the supporting pieces are fixedly connected with tank body branch pipes; and/or the presence of a gas in the gas,
at least one tank body branch pipe is arranged in a gap between the LNG tank body and the TCS platform; and/or the presence of a gas in the gas,
at least one tank body branch pipe is communicated with a first elongated pipe, the first elongated pipe extends upwards, the top of the first elongated pipe is higher than the TCS platform, and a spray head is arranged at the top of the first elongated pipe.
As an optional technical scheme of a spraying system of a dual-fuel ship, a plurality of groups of supporting pieces are fixedly arranged at the top of the LNG tank body, the plurality of groups of supporting pieces and a plurality of internal reinforcing structures of the LNG tank body are arranged in a one-to-one opposite mode, and each group of supporting pieces comprises a plurality of supporting pieces which are arranged at intervals along the internal reinforcing structures.
As an optional technical scheme of the spraying system of the dual-fuel ship, the spraying pipeline between the gas treatment comprises a main pipe between the gas treatment and a plurality of branch pipes between the gas treatment, the main pipe between the gas treatment is communicated with the water inlet pipe, and the branch pipes between the gas treatment are communicated with the main pipe between the gas treatment, and each branch pipe between the gas treatment is provided with at least one sprayer, and at least one branch pipe between the gas treatment extends into the gas treatment and is connected with the top wall between the gas treatment.
As an optional technical scheme of the spraying system of dual-fuel boats and ships, the protrusion is provided with a plurality of protruding platforms on the lateral wall between the gas is handled, the gas is handled and is sprayed the pipeline and still includes a plurality of second extension pipes, the second extension pipe with house steward intercommunication, a plurality of between the gas is handled the second extension pipe is with a plurality of protruding platform one-to-one sets up, the second extension pipe downwardly extending to corresponding the below of protruding platform, the bottom of second extension pipe is provided with the shower nozzle.
As an optional technical scheme of a spraying system of a dual-fuel ship, a support is arranged on a deck of the ship and comprises a carrier beam and supporting legs, the water inlet pipe is connected to the carrier beam, the top ends of the supporting legs are connected to the bottom of the carrier beam, and the bottom ends of the supporting legs are vertically connected to the deck.
As an optional technical scheme of the spraying system of the dual-fuel ship, the spraying system further comprises a standby pipe, one end of the standby pipe is communicated with the water inlet pipe, and the other end of the standby pipe can be communicated with a fire fighting pipe system of the ship.
As an optional technical scheme of a spraying system of the dual-fuel ship, a pump is arranged on the water inlet pipe; and/or the presence of a gas in the gas,
the water inlet pipe is provided with a check valve which is positioned on one side of the water outlet end of the pump; and/or the presence of a gas in the gas,
a first switch valve is arranged on the tank body spraying pipeline; and/or the presence of a gas in the gas,
a second switch valve is arranged on the spray pipeline of the filling station; and/or the presence of a gas in the atmosphere,
and a third switch valve is arranged on the spray pipeline of the gas treatment room.
A dual fuel vessel comprising a spray system of the dual fuel vessel as described above.
The invention has the beneficial effects that:
the invention provides a spraying system of a dual-fuel ship and the dual-fuel ship. The seawater system of the ship is communicated with the water inlet pipe and provides a water source for the spraying system, seawater can be sprayed with water mist to the gas treatment room, the LNG tank body and the filling station in time through the spray heads on the spraying pipelines of the gas treatment room, the tank body spraying pipelines and the filling station spraying pipelines, the cooling and fire extinguishing functions can be realized for the gas treatment room, the LNG tank body and the filling station, and the safety of the ship is improved. When one of the gas processing room, the LNG tank body or the filling station of the LNG supply system is too high in temperature or is on fire, the spraying system provided by the invention can spray water mist to the gas processing room, the LNG tank body and the filling station, so that the possibility of simultaneous temperature rise or fire of other equipment of the LNG supply system is reduced, the possibility of large-area fire of the ship is reduced, the safety of the ship is further ensured, the spraying cooling and fire extinguishing effects on high-temperature or fire-starting equipment are ensured, and the cooling and fire extinguishing speeds on the high-temperature or fire-starting equipment are accelerated.
Drawings
Fig. 1 is a schematic structural diagram of a spraying system of a dual-fuel ship provided by an embodiment of the invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is a top view of a spray system of a dual fuel vessel provided by an embodiment of the present invention;
fig. 5 is a schematic piping diagram of a spraying system of a dual-fuel ship provided by an embodiment of the invention.
In the figure:
10. an LNG tank body; 101. an internal reinforcing structure; 30. a gas treatment room; 301. a raised platform; 40. a TCS platform;
1. a tank body spraying pipeline; 11. a tank header pipe; 12. a tank body branch pipe; 121. a first elongated tube;
2. a filling station spray pipeline;
3. a spray pipeline of the gas treatment room; 31. a gas treatment room main pipe; 32. a branch pipe of the gas treatment room; 321. a second elongated tube;
4. a water inlet pipe; 41. a pump; 42. a check valve;
5. a standby pipe; 6. a support; 61. a load beam; 62. a support leg; 7. a support member;
81. a first on-off valve; 82. a second on-off valve; 83. a third on-off valve; 84. butterfly valves.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The present embodiment provides a dual fuel vessel including a hull and an LNG supply system. As shown in fig. 1, the LNG supply system includes an LNG tank 10 and a filling station. Specifically, two LNG tanks 10 and two filling stations are arranged on a deck of the ship body, the LNG tanks 10 are arranged on the deck and are used for supplying LNG, and the filling stations are used for filling LNG into the LNG tanks. Wherein the LNG jar body 10 is the C type jar body among the prior art, and its outside parcel has the insulating layer, and inside is provided with inside additional strengthening 101, and inside additional strengthening 101 is provided with a plurality ofly along the length direction interval of the LNG jar body 10, and every inside additional strengthening 101 all encircles along the circumference of the LNG jar body 10 and establishes, and prior art can be referred to the specific structure of the LNG jar body 10, and no longer repeated here. The structure of the filling station is also prior art and will not be described in detail here.
Specifically, the TCS platform 40 is disposed above the LNG tank 10 at an interval, and a person can enter the LNG tank 10 through a manhole on the TCS platform 40 or can inspect a related valve body on the TCS platform 40, and the structural arrangement on the TCS platform 40 may refer to the prior art and is not described herein again. TCS platform 40 sets up with LNG jar body 10 interval, fixes on the deck through the mount. The TCS platform 40 is also spaced from the insulation on the LNG tank 10.
Still be provided with gas processing room 30 between two LNG jar bodies 10, gas processing room 30 contains one set of gas supply unit in, and this gas supply unit has integrateed relevant equipment such as fuel jar state monitoring, gas feed, ventilation, platform, pipeline and instrument etc. and structure and equipment in the specific gas processing room 30 can refer to prior art, and will not be repeated herein.
Further, a plurality of protruding platforms 301, specifically four protruding platforms 301, are protruded from the sidewall of the gas processing chamber 30. Wherein two are protruding platform 301 are first platform, and first platform is parallel with the deck and extends towards two LNG jar bodies 10 respectively, and the roof parallel and level of first platform and gas processing room 30, when setting up the ladder on above-mentioned two first platforms, the top of ladder laps on TCS platform 40, and personnel can move to TCS platform 40 on through the ladder. The other two protruding platforms 301 are second platforms, the height of the second platforms is low, and the ladder arranged on the deck of the personnel can be moved to the two second platforms and moved to the top of the gas processing chamber 30 through the ladder arranged on the second platforms.
The dual-fuel ship that this embodiment provided still includes the spraying system of a dual-fuel ship, and above-mentioned spraying system can provide the system to LNG and spray water smoke, has improved the security of dual-fuel ship.
Specifically, as shown in fig. 1 to 5, the spray system of the dual-fuel ship includes a water inlet pipe 4, a gas treatment room spray pipeline 3, two sets of tank body spray pipelines 1, and two sets of filling station spray pipelines 2. The water inlet pipe 4 can be communicated with a seawater pipe system of the ship, and the water inlet pipe 4 is provided with a pump 41; the two groups of tank body spraying pipelines 1 are respectively arranged at the tops of the two LNG tank bodies 10, the tank body spraying pipelines 1 are communicated with the water inlet pipe 4, and a plurality of spray heads are arranged on each group of tank body spraying pipelines 1 at intervals; two groups of filling station spraying pipelines 2 are respectively arranged at the tops of two filling stations, the filling station spraying pipelines 2 are communicated with a water inlet pipe 4, and a plurality of spray heads are arranged on each group of filling station spraying pipelines 2 at intervals; the gas treatment room spraying pipeline 3 is arranged at the top of the gas treatment room 30, the gas treatment room spraying pipeline 3 is communicated with the water inlet pipe 4, and a plurality of spray heads are arranged on the gas treatment room spraying pipeline 3 at intervals.
The embodiment provides a spraying system of a dual-fuel ship, which comprises a water inlet pipe 4, a gas treatment room spraying pipeline 3, two groups of tank body spraying pipelines 1 and two groups of filling station spraying pipelines 2. The seawater system of the ship is communicated with the water inlet pipe 4 and provides a water source for the spraying system, seawater can be sprayed with water mist to the gas treatment room 30, the LNG tank 10 and the filling station in time through the spray heads on the spraying pipeline 3 of the gas treatment room, the spraying pipeline 1 of the tank body and the spraying pipeline 2 of the filling station, the cooling and fire extinguishing functions can be realized for the gas treatment room 30, the LNG tank 10 and the filling station, and the safety is improved. And when one of the equipment of the gas processing room 30, the LNG tank 10 or the filling station of the LNG supply system is too high in temperature or is on fire, the spraying system provided by the embodiment can spray water mist to the gas processing room 30, the LNG tank 10 and the filling station, so that the possibility that other equipment of the LNG supply system is simultaneously raised in temperature or is on fire is reduced, the possibility that a large area of ships are on fire is reduced, the safety of the ships is further ensured, the spraying cooling and fire extinguishing effects on high-temperature or fire-starting equipment are also ensured, and the cooling and fire extinguishing speed on the high-temperature or fire-starting equipment is accelerated. In the present embodiment, the pump 41 may be a water pump structure commonly known in the art, and is not limited herein.
Further, a check valve 42 is provided on the inlet pipe 4, and the check valve 42 is located at a side of the outlet end of the pump 41. Usually the arrangement height of marine water pipe system on boats and ships is less than the deck, and LNG provides the system and sets up on the deck, sets up during the check valve 42 can prevent the water refluence back to marine water pipe system in inlet tube 4, has also avoided the sea water refluence to advance in the pump 41 simultaneously, prevents that pump 41 from damaging, has reduced the maintenance cost, has improved the durability.
Preferably, the sprinkler system further comprises a standby pipe 5, one end of the standby pipe 5 being in communication with the water inlet pipe 4, the other end being able to communicate with the fire-fighting piping of the vessel. When the seawater system can not normally provide a water source for the water inlet pipe 3, the fire-fighting piping system can provide a water source for the spraying system through the standby pipe 5, so that the spraying system can provide a spraying function in time, the effects of cooling and extinguishing fire are realized, and the safety of ships is ensured. Specifically, the reserve pipe 5 communicates with the inlet pipe 4 on the side of the check valve 42 remote from the sea water system.
Further, all be provided with butterfly valve 84 on inlet tube 4 and the stand-by pipe 5, can control the break-make of inlet tube 4 and stand-by pipe 5, improved the practicality.
Preferably, a support 6 is arranged on the deck of the vessel, the support 6 comprises a carrier beam 61 and a support leg 62, the water intake pipe 4 is connected to the carrier beam 61, the top end of the support leg 62 is connected to the bottom of the carrier beam 61, and the bottom end is vertically connected to the deck. Set up support 6, can make and have the clearance between inlet tube 4 and the deck, be convenient for lay other pipelines such as fire control piping on the deck, reduced the space that is occupied on the deck, be favorable to compactly arranging the pipeline structure, increased the space that personnel can remove, improved the security of personnel when removing on the deck. Carrier beam 61 parallels with the deck, and support 6 is the type of falling U, and carrier beam 61's both ends all are connected with stabilizer blade 62 promptly, have improved the reliable degree of support 6 structure, have reduced the possibility that support 6 collapses, prevent that inlet tube 4 is damaged, have improved spraying system's durability.
Specifically, the carrier bar 61 is provided with a fixing hoop, the fixing hoop is of an inverted U shape, the water inlet pipe 4 is arranged in an opening of the fixing hoop, and two ends of the fixing hoop are fixedly connected with the carrier bar 61.
Preferably, the tank body spraying pipeline 1 comprises a tank body main pipe 11 and a plurality of tank body branch pipes 12, the tank body main pipe 11 is communicated with the water inlet pipe 4, the plurality of tank body branch pipes 12 are communicated with the tank body main pipe 11, each tank body branch pipe 12 is provided with at least one spray head, and the tank body main pipe 11 is connected to the TCS platform 40 arranged above the LNG tank body 10. It can be understood that the diameter of the tank main pipe 11 is greater than the diameter of the tank branch pipes 12, which is beneficial to ensuring that each tank branch pipe 12 can have sufficient water pressure, and the spraying effect is ensured, therefore, when water is introduced into the tank spraying pipeline 1, the weight of the tank main pipe 11 is large, the tank main pipe 11 is connected to the TCS platform 40, the weight borne by the LNG tank 10 is reduced, the damage to the LNG tank 10 caused by the LNG tank 10 being pressed by the tank main pipe 11 can be avoided, the possibility of LNG leakage is reduced, thereby reducing the possibility of fire of the ship, ensuring the safety, and also reducing the maintenance cost.
Further, a first switch valve 81 is arranged on the tank body spraying pipeline 1, specifically, a first switch valve 81 is arranged on the tank body main pipe 11, and the first switch valve 81 can control the on-off of the tank body spraying pipeline 1. Specifically, jar body sprays pipeline 1 and gas and handles spray pipeline 3 intercommunication between, and first ooff valve 81 sets up in the top of gas and handle 30 between, and the maintainer of being convenient for overhauls first ooff valve 81, and it can be understood that, compare in first ooff valve 81 sets up on LNG jar body 10, the process that personnel removed the top of gas and handle 30 more convenient.
Specifically, all be provided with a plurality of nozzles on every jar of body bleeder 12, every nozzle all sets up towards the LNG jar body 10, can spray water smoke to the LNG jar body 10.
Further, a plurality of supporting members 7 are fixedly arranged on the top of the LNG tank 10, and the tops of the supporting members 7 are fixedly connected with the tank branch pipes 12. The tank body branch pipe 12 can be fixedly connected with the LNG tank body 10 through the support piece 7, so that the spray nozzle can spray water mist to the LNG tank body 10 conveniently, the LNG tank body 10 can be accurately cooled and put out a fire, and the safety is guaranteed. Specifically, the tank body branch pipes 12 extend along the length direction of the LNG tank body 10, and each tank body branch pipe 12 is connected with a plurality of support members 7, so that the weight borne by each support member 7 is further reduced, the possibility of damage to the LNG tank body 10 is reduced, and the safety is ensured.
In this embodiment, support piece 7 is shaft-like, extends along the direction of perpendicular to deck, and bottom and the LNG jar body 10 welded connection, top are provided with the connection staple bolt, and the connection staple bolt is the U type, and jar body bleeder 12 is arranged in and is connected the staple bolt, and the both ends of connecting the staple bolt all are connected with support piece 7. And in order to ensure the spraying effect and avoid the overhigh support piece 7, after the tank body branch pipe 12 is fixed on the support piece 7, the distance between the nozzle and the outer surface of the insulating layer is about 1250 mm.
Preferably, a plurality of supporting member sets are fixedly arranged at the top of the LNG tank 10, the plurality of supporting member sets are arranged opposite to the plurality of internal reinforcing structures 101 of the LNG tank 10 one by one, and each supporting member set includes a plurality of supporting members 7 arranged at intervals along the internal reinforcing structures 101. Because the LNG tank body 10 is located at the position of the internal reinforcing structure 101, the structural strength is high, the supporting piece 7 and the internal reinforcing structure 101 are arranged just right, the possibility of damage to the LNG tank body 10 can be further reduced, the possibility of LNG leakage is reduced, and the safety is further improved. The number of the support member groups and the number of the support members 7 in the support member groups are adjustable, and are not limited herein.
Preferably, at least one tank branch pipe 12 is provided in the gap between the LNG tank 10 and the TCS platform 40. Above-mentioned structure setting can guarantee that the nozzle on jar body lateral pipe 12 sprays the water smoke to the LNG jar body 10 that is sheltered from in TCS platform 40 below, has further guaranteed the effect that spraying system cooled down and put out a fire, has guaranteed the security. In this embodiment, two tank branch pipes 12 are provided in the gap between the LNG tank 10 and the TCS platform 40.
Further preferably, the at least one tank branch pipe 12 is communicated with a first elongated pipe 121, the first elongated pipe 121 extends upwards, the top of the first elongated pipe 121 is higher than the TCS platform 40, and a spray head is arranged at the top of the first elongated pipe 121. Above-mentioned structural arrangement can realize spraying water smoke to TCS platform 40, has further guaranteed the security. In this embodiment, two first extension pipes 121 are disposed, and the two first extension pipes 121 are disposed on two opposite sides of the TCS platform 40 and are connected to the handrail on the TCS platform 40.
Preferably, the filling station spray line 2 is fixedly arranged on a platform at the top of the filling station. The top platform of the filling station can be connected with the top platform of the filling station through a fixed pipe frame, and the structure of the fixed pipe frame is not limited.
Further, a second switch valve 82 is arranged on the spraying pipeline 2 of the filling station, and the second switch valve 82 can control the on-off of the tank spraying pipeline 1. Specifically, the second switch valve 82 is arranged on a platform at the top of the filling station, so that maintenance personnel can conveniently overhaul the second switch valve 82.
Preferably, the gas treatment room spray pipeline 3 includes a gas treatment room main pipe 31 and a plurality of gas treatment room branch pipes 32, the gas treatment room main pipe 31 is communicated with the water inlet pipe 4, the plurality of gas treatment room branch pipes 32 are communicated with the gas treatment room main pipe 31, each gas treatment room branch pipe 32 is provided with at least one nozzle, and at least one gas treatment room branch pipe 32 extends into the gas treatment room 30 and is connected to the top wall of the gas treatment room 30. Above-mentioned structure sets up, can simplify the pipeline quantity in the 30 top outsides between gas processing, has reduced the space that 30 tops were taken up by the pipeline between gas processing to the personnel of being convenient for remove at 30 tops between gas processing, the security when personnel remove at 30 tops between gas processing has improved. Specifically, the tank header pipe 11 communicates with the gas processing room header pipe 31.
Further, the gas treatment room spray pipeline 3 further comprises a plurality of second elongated pipes 321, the second elongated pipes 321 are communicated with the gas treatment room main pipe 31, the plurality of second elongated pipes 321 and the plurality of protruding platforms 301 are arranged in a one-to-one correspondence manner, the second elongated pipes 321 extend downwards to the lower portions of the corresponding protruding platforms 301, and spray heads are arranged at the bottoms of the second elongated pipes 321. Set up second extension pipe 321, guaranteed that water smoke can spray to the lateral wall that is located the gas processing room 30 of protrusion platform 301 below, guaranteed the effect that spraying system cooled down and put out a fire, guaranteed the security. In this embodiment, four raised platforms 301 are provided, and four second elongated tubes 321 are provided. In this embodiment, the second elongated pipe 321 may be in direct communication with the gas processing compartment main pipe 31, or may be in communication with the gas processing compartment main pipe 31 through the gas processing compartment branch pipe 32, which is not limited herein.
Specifically, a third on-off valve 83 is arranged on the gas treatment room spray pipeline 3, the third on-off valve 83 can control the on-off of the tank body spray pipeline 1, and the third on-off valve 83 is arranged on the gas treatment room main pipe 31. Specifically, the third on-off valve 83 is disposed at the top of the gas processing chamber 30, so that the maintenance personnel can conveniently overhaul the third on-off valve 83.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A spray system for a dual fuel marine vessel, comprising:
the water inlet pipe (4) can be communicated with a seawater pipe system of a ship, and a pump (41) is arranged on the water inlet pipe (4);
the two groups of tank body spraying pipelines (1) are respectively arranged at the tops of the two LNG tank bodies (10), the tank body spraying pipelines (1) are communicated with the water inlet pipe (4), and a plurality of spray heads are arranged on each group of tank body spraying pipelines (1) at intervals;
the two groups of filling station spraying pipelines (2) are respectively arranged at the tops of the two filling stations, the filling station spraying pipelines (2) are communicated with the water inlet pipe (4), and a plurality of spray heads are arranged on each group of filling station spraying pipelines (2) at intervals;
the spray pipeline (3) is arranged at the top of the gas treatment room (30), the spray pipeline (3) is communicated with the water inlet pipe (4) between the gas treatment rooms, and a plurality of spray heads are arranged on the spray pipeline (3) at intervals between the gas treatment rooms.
2. The spray system of a dual-fuel ship according to claim 1, characterized in that the tank spray line (1) comprises a tank main pipe (11) and a plurality of tank branch pipes (12), the tank main pipe (11) is communicated with the water inlet pipe (4), the plurality of tank branch pipes (12) are communicated with the tank main pipe (11), each tank branch pipe (12) is provided with at least one spray nozzle, and the tank main pipe (11) is connected to a TCS platform (40) arranged above the LNG tank (10).
3. The spray system of a dual fuel vessel according to claim 2, characterized in that a plurality of supports (7) are fixedly arranged on the top of the LNG tank (10), and the tops of the supports (7) are fixedly connected with the tank branch pipes (12); and/or the presence of a gas in the atmosphere,
at least one tank branch pipe (12) is arranged in a gap between the LNG tank (10) and the TCS platform (40); and/or the presence of a gas in the gas,
at least one of the tank body branch pipes (12) is communicated with a first elongated pipe (121), the first elongated pipe (121) extends upwards, the top of the first elongated pipe (121) is higher than the TCS platform (40), and a spray head is arranged at the top of the first elongated pipe (121).
4. The spray system of a dual fuel vessel according to claim 3, wherein a plurality of sets of support members are fixedly arranged on the top of the LNG tank (10), the plurality of sets of support members are arranged opposite to the plurality of internal reinforcing structures (101) of the LNG tank (10), and each set of support members comprises a plurality of support members (7) arranged at intervals along the internal reinforcing structures (101).
5. The spray system of a dual-fuel ship according to claim 1, wherein the gas treatment room spray pipeline (3) comprises a gas treatment room main pipe (31) and a plurality of gas treatment room branch pipes (32), the gas treatment room main pipe (31) is communicated with the water inlet pipe (4), the gas treatment room branch pipes (32) are communicated with the gas treatment room main pipe (31), each gas treatment room branch pipe (32) is provided with at least one spray head, and at least one gas treatment room branch pipe (32) extends into the gas treatment room (30) and is connected to the top wall of the gas treatment room (30).
6. The spray system of the dual-fuel ship of claim 5, characterized in that a plurality of protruding platforms (301) are convexly arranged on the side wall of the gas processing room (30), the gas processing room spray pipeline (3) further comprises a plurality of second elongated pipes (321), the second elongated pipes (321) are communicated with the gas processing room main pipe (31), the plurality of second elongated pipes (321) and the plurality of protruding platforms (301) are arranged in a one-to-one correspondence manner, the second elongated pipes (321) extend downwards to the lower side of the corresponding protruding platforms (301), and spray heads are arranged at the bottoms of the second elongated pipes (321).
7. The spray system of a dual fuel vessel according to claim 1, characterized in that a support (6) is provided on the deck of the vessel, the support (6) comprising a carrier beam (61) and a support leg (62), the water inlet pipe (4) being connected to the carrier beam (61), the top end of the support leg (62) being connected to the bottom of the carrier beam (61), and the bottom end of the support leg (62) being connected vertically to the deck.
8. The spray system of a dual fuel vessel according to any of the claims 1-7, characterized in that the spray system further comprises a backup pipe (5), one end of the backup pipe (5) being in communication with the inlet pipe (4) and the other end being capable of being in communication with the fire pipe system of the vessel.
9. The spray system of a dual fuel vessel according to any of the claims 1-7, characterized in that a check valve (42) is arranged on the inlet pipe (4), which check valve (42) is located on the side of the outlet end of the pump (41); and/or the presence of a gas in the gas,
a first switch valve (81) is arranged on the tank body spraying pipeline (1); and/or the presence of a gas in the gas,
a second switch valve (82) is arranged on the filling station spraying pipeline (2); and/or the presence of a gas in the atmosphere,
and a third on-off valve (83) is arranged on the spray pipeline (3) of the gas treatment room.
10. A dual fuel vessel characterized by comprising a spray system of a dual fuel vessel according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210350442.3A CN114701634A (en) | 2022-04-02 | 2022-04-02 | Spraying system of dual-fuel ship and dual-fuel ship |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210350442.3A CN114701634A (en) | 2022-04-02 | 2022-04-02 | Spraying system of dual-fuel ship and dual-fuel ship |
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| CN114701634A true CN114701634A (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210350442.3A Pending CN114701634A (en) | 2022-04-02 | 2022-04-02 | Spraying system of dual-fuel ship and dual-fuel ship |
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| CN (1) | CN114701634A (en) |
Cited By (1)
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| CN116474301A (en) * | 2023-04-21 | 2023-07-25 | 广船国际有限公司 | Spraying system and ship |
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Application publication date: 20220705 |