Ships and their control methods
By installing isolation chambers and detection devices in the ship, and combining them with a fan system to treat leaked methanol fuel, the safety hazards caused by methanol fuel tank leaks have been resolved, and the ship's safety performance and structural compactness have been improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHONGQING CHANGHANG SHIP DESIGN & RES INST CO LTD
- Filing Date
- 2026-05-21
- Publication Date
- 2026-07-17
AI Technical Summary
In existing ships, when methanol leaks from the fuel tank, methanol can easily enter the engine room directly, causing safety hazards. Furthermore, the compact structure reduces safety performance.
An isolation compartment is set up between the engine room and the methanol fuel tank, and a detection device is installed in the isolation compartment. The leaked methanol fuel is handled by the protective structure and the fan system. The leaked methanol is discharged to the outside of the hull through the delivery pipeline and the pipeline installation chamber. Combined with control strategies, safety is improved.
This effectively prevents methanol fuel from directly entering the engine room, improves the ship's safety performance, reduces the harm of leaked methanol to the engine room, and lowers the risk of safety accidents through timely detection and control strategies.
Smart Images
Figure CN122402701A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the technical field of ships, and more specifically, to a ship and a method for controlling the ship thereof. Background Technology
[0002] As the shipping industry places increasingly stringent environmental requirements, the application of methanol as a clean energy source in ships is gradually being promoted. However, to better adapt to operating conditions in confined waterways, the internal structural design of these ships is relatively compact, leading to a reduction in safety performance. Especially in the event of a methanol fuel tank leak, methanol can easily enter the engine room, posing a significant safety hazard. Summary of the Invention
[0003] In view of this, the purpose of the present invention is to provide a ship and its control method that can improve the safety of methanol fuel storage and transportation, so as to effectively avoid safety accidents caused by methanol leakage and improve the overall safety performance of the ship.
[0004] To achieve the above objectives, the present invention provides the following technical solution:
[0005] The vessel of the present invention includes: an engine room, wherein at least one engine is disposed therein; a methanol fuel tank for storing methanol fuel, wherein the methanol fuel tank is disposed on one side of the engine room along its length; an isolation compartment disposed between the methanol fuel tank and the engine room; a delivery pipeline, one end of which is connected to the engine, and the other end of which passes sequentially through the engine room and the isolation compartment and is connected to the methanol fuel tank; and a detection device disposed in the isolation compartment for detecting the concentration of methanol in the isolation compartment.
[0006] In some embodiments, the vessel further includes a protective structure disposed outside the isolation compartment and corresponding to at least one wall of the isolation compartment.
[0007] In some embodiments, the isolation chamber is connected to the methanol fuel tank;
[0008] The protective structure includes a first protective wall, a second protective wall, and a third protective wall; the first protective wall is disposed outside the side wall of the methanol fuel tank and spaced apart from the side wall of the methanol fuel tank; the second protective wall is disposed at the top of the top wall of the methanol fuel tank and spaced apart from the top wall of the methanol fuel tank; the third protective wall is disposed at the bottom of the bottom wall of the methanol fuel tank and spaced apart from the bottom wall of the methanol fuel tank; both the second and third protective walls are connected to the first protective wall.
[0009] In some embodiments, the vessel further includes:
[0010] The main deck is located on top of the engine room;
[0011] A fuel refueling station is located on the main deck;
[0012] A fuel filling pipeline, one end of which is connected to the fuel filling station and the other end of which is connected to the methanol fuel tank;
[0013] The engine compartment has a pipe installation chamber on at least one side in its width direction; the pipe installation chamber extends in the length direction of the engine compartment and extends to the isolation compartment or the methanol fuel tank; the pipe installation chamber has an outlet communicating with the outside; at least a portion of the fuel refueling pipe is disposed in the pipe installation chamber.
[0014] In some embodiments, the pipe installation chamber includes a first section and a second section, the first section extending along the length of the nacelle, the second section being connected to the first section and extending along the height of the nacelle; the outlet of the second section is located on the main deck, so the outlet of the second section forms the air vent.
[0015] Alternatively, the fuel filling station corresponds to the pipeline installation chamber.
[0016] In some embodiments, the delivery pipeline includes:
[0017] The inner tube body has one end connected to the engine and the other end connected to the methanol fuel tank.
[0018] An outer tube body is fitted onto an inner tube body, with one end of the outer tube body sealed to one end of the inner tube body, and the other end of the outer tube body sealed to the other end of the inner tube body; a cavity is formed between the outer tube body and the inner tube body, and the cavity communicates with the pipe installation chamber.
[0019] Alternatively, a branch pipe is connected between the outer pipe body and the pipe installation chamber, and the branch pipe has an air inlet; a first fan is provided at the air inlet, and the first fan is configured to promote the formation of airflow from the air inlet to the pipe installation chamber.
[0020] In some embodiments, at least a portion of the delivery conduit is disposed within the conduit mounting chamber.
[0021] In some embodiments, there are two methanol fuel tanks, including a first methanol fuel tank and a second methanol fuel tank; the first methanol fuel tank and the second methanol fuel tank are spaced apart in the width direction of the engine compartment;
[0022] The isolation compartment consists of two compartments, including a first isolation compartment and a second isolation compartment; the first isolation compartment is located between the engine compartment and the first methanol fuel tank; the second isolation compartment is located between the engine compartment and the second methanol fuel tank.
[0023] There are multiple engines, and all of the multiple engines are located in the engine compartment;
[0024] There are multiple delivery pipes, one end of each delivery pipe is connected to one of the engines; a portion of the other end of each delivery pipe is connected to the first methanol fuel tank, and another portion of the other end of each delivery pipe is connected to the second methanol fuel tank.
[0025] The ship control method of the present invention, applied to any of the above-mentioned ships, wherein a second fan is provided in the pipeline installation chamber, and both the delivery pipeline and the pipeline installation chamber are provided with methanol concentration sensors, the control method comprising:
[0026] Obtain the methanol concentration parameters of the isolation chamber, the delivery pipeline, and the pipeline installation chamber;
[0027] The control strategy of the ship is determined based on the methanol concentration parameters corresponding to the isolation chamber, the delivery pipeline, and the pipeline installation chamber; wherein the control strategy includes a first control strategy and a second control strategy.
[0028] Based on the methanol concentration parameter, a control strategy for the ship is determined; wherein the control strategy includes a first control strategy and a second control strategy.
[0029] If the methanol concentration parameter is greater than or equal to a first preset value and less than a second preset value, the ship is controlled to operate under a first control strategy.
[0030] If the methanol concentration parameter is greater than or equal to the second preset value, the ship is controlled to operate under the second control strategy.
[0031] In some embodiments, the first control strategy is to control the second fan to operate at a first preset power and to provide feedback on the leak location and the methanol concentration parameter;
[0032] The second control strategy involves controlling the second fan to operate at a second preset power, feeding back the leak location and the methanol concentration parameter, and issuing an alarm message; wherein the second preset power is greater than the first preset power; and / or,
[0033] If the methanol concentration change rate parameter is greater than or equal to the third preset value, control the second fan to operate at the second preset power, and report the leak location and the methanol concentration parameter, and issue an alarm message; reduce the number of engines in operation.
[0034] The vessel of this embodiment of the invention includes an isolation compartment between its engine room and methanol fuel tank, and the isolation compartment is equipped with a detection device for detecting the concentration of methanol in the isolation compartment. Therefore, in the event of a methanol fuel leak from the methanol fuel tank, the leaked methanol fuel will first enter the isolation compartment and will not directly enter the engine room, preventing the leaked methanol fuel from coming into contact with ignition sources in the engine room. Furthermore, the leaked methanol fuel can be detected by the detection device after entering the isolation compartment, allowing operators to promptly identify the fuel leak and perform appropriate maintenance. Therefore, the vessel of this embodiment of the invention has high safety performance.
[0035] The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments of the invention in conjunction with the accompanying drawings. Attached Figure Description
[0036] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.
[0037] Figure 1 This is a schematic structural diagram of a ship according to an embodiment of the present invention;
[0038] Figure 2 This is a schematic cross-sectional structural diagram of a ship according to an embodiment of the present invention;
[0039] Figure 3 This is a schematic top view of a ship according to an embodiment of the present invention;
[0040] Figure 4 This is a flowchart of a ship control method according to an embodiment of the present invention.
[0041] Figure label:
[0042] 10 ships;
[0043] Cabin 100; Engine 110;
[0044] Methanol fuel tank 200; First methanol fuel tank 210; Second methanol fuel tank 220;
[0045] Isolation chamber 300; First isolation chamber 310; Second isolation chamber 320;
[0046] Pipeline 410;
[0047] Protective structure 500; First protective wall 510; Second protective wall 520; Third protective wall 530;
[0048] Main deck 610; Piping installation chamber 620; Air outlet 621; First section 622; Second section 623; Fuel filling station 630. Detailed Implementation
[0049] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0050] The ship 10 of the present invention is described below with reference to the accompanying drawings.
[0051] like Figures 1-3 As shown, the ship 10 of this embodiment includes an engine room 100, a methanol fuel tank 200, an isolation compartment 300, a transport pipeline 410, and a detection device (not shown in the figure).
[0052] At least one engine 110 is housed in the engine room 100, which powers the vessel 10 of this embodiment by consuming methanol fuel. A methanol fuel tank 200 is used to store methanol fuel and is located on one side of the engine room 100 along its length. An isolation chamber 300 is located between the methanol fuel tank 200 and the engine room 100, that is, the isolation chamber 300 separates the methanol fuel tank 200 and the engine room 100. One end of a delivery pipe 410 is connected to the engine 110, and the other end of the delivery pipe 410 passes through the engine room 100 and the isolation chamber 300 in sequence and is connected to the methanol fuel tank 200. A detection device is located in the isolation chamber 300 and is used to detect the concentration of methanol in the isolation chamber 300.
[0053] Compared with related technologies, the vessel 10 of this embodiment of the invention further includes an isolation chamber 300 between its engine room 100 and methanol fuel tank 200, and the isolation chamber 300 is equipped with a detection device for detecting the concentration of methanol in the isolation chamber 300. Therefore, in the event of a methanol fuel leak in the methanol fuel tank 200, the leaked methanol fuel will first enter the isolation chamber 300 and will not directly enter the engine room 100, preventing the leaked methanol fuel from coming into contact with ignition sources in the engine room 100. Furthermore, the leaked methanol fuel can be detected by the detection device after entering the isolation chamber 300, allowing operators to promptly identify the fuel leak and perform appropriate maintenance. Therefore, the vessel 10 of this embodiment of the invention has higher safety performance.
[0054] In some embodiments, the detection device can be an electrochemical sensor that generates a current signal proportional to the concentration through a redox reaction of methanol on an electrode surface. Alternatively, the detection device can be an infrared sensor that calculates the concentration based on the absorption intensity of methanol molecules at a specific wavelength of infrared light (e.g., 9.6 μm). Alternatively, the detection device can be any other sensor capable of detecting methanol concentration.
[0055] To make this application easier to understand, the following describes the ship 10 of the present invention in further detail, taking the example that the length direction of the engine room 100 is consistent with the fore-and-aft direction, the width direction of the engine room 100 is consistent with the left-and-right direction, and the height direction of the engine room 100 is consistent with the up-and-down direction.
[0056] In some embodiments of the present invention, the vessel 10 may be a cruise ship, a cargo ship, or other large vessel 10.
[0057] In some embodiments, such as Figure 1 and Figure 2 As shown, the vessel 10 in this embodiment of the invention also includes a protective structure 500, which is disposed on the outside of the isolation compartment 300 and corresponds to at least one wall of the isolation compartment 300. That is, the protective structure 500 is provided on the outer periphery of the isolation compartment 300, so even if the hull of the vessel 10 collides (in inland waterways, the vessel 10 may run aground or touch a dock), the protective structure 500 will be damaged first, thus protecting the methanol fuel tank 200.
[0058] Specifically, the isolation chamber 300 is connected to the methanol fuel tank 200, that is to say, as Figure 1As shown, the front wall of the isolation chamber 300 is the rear wall of the methanol fuel tank 200. The protective structure 500 includes a first protective wall 510, a second protective wall 520, and a third protective wall 530. The first protective wall 510 is disposed outside the side walls of the methanol fuel tank 200 and is spaced apart from the side walls of the methanol fuel tank 200, that is, the first protective wall 510 corresponds to the left side wall, right side wall, and front side wall of the methanol fuel tank 200. The second protective wall 520 is disposed at the top of the top wall of the methanol fuel tank 200 and is spaced apart from the top wall of the methanol fuel tank 200. The third protective wall 530 is disposed at the bottom of the bottom wall of the methanol fuel tank 200 and is spaced apart from the bottom wall of the methanol fuel tank 200; both the second protective wall 520 and the third protective wall 530 are connected to the first protective wall 510. Thus, the protective structure 500 fully surrounds the outside of the methanol fuel tank 200, further improving the protective effect of the protective structure 500 on the methanol fuel tank 200.
[0059] In some embodiments, the vessel 10 of the present invention further includes a main deck 610, a fuel filling station 630, and a fuel filling pipeline.
[0060] The main deck 610 is located atop the engine room 100, meaning it is situated above the engine room 100. A fuel refueling station 630 is located on the main deck 610, with one end of the fuel refueling pipe connected to the fuel refueling station 630 and the other end connected to the methanol fuel tank 200. The engine room 100 has a pipe installation chamber 620 on at least one side in the left-right direction. Specifically, if there is only one pipe installation chamber 620, it is located on the left or right side of the engine room 100; if there are two pipe installation chambers 620, they are located on the left and right sides of the engine room 100, respectively. The pipe installation chamber 620 extends in the fore-and-aft direction and extends to either the isolation compartment 300 or the methanol fuel tank 200. The pipe installation chamber 620 has an vent 621 communicating with the outside, and at least a portion of the fuel refueling pipe is located within the pipe installation chamber 620. The methanol-containing fuel refueling pipeline is laid within the pipeline installation chamber 620, preventing methanol gas from spreading into the engine room 100. Even if a leak occurs in the fuel refueling pipeline, the leaked methanol fuel can be guided through the pipeline installation chamber 620 and discharged to the outside through the vent 621 located on the main deck 610. Simultaneously, the pipeline installation chamber 620 is isolated from the engine room 100, allowing maintenance personnel to conduct inspections without entering the core area of the engine room 100, thus improving maintenance safety. Especially in the case of a cruise ship in this embodiment, separating the hazardous venting area of the pipeline installation chamber 620 from the passenger area prevents conflicts with the passenger area layout, maximizes the passenger activity area, and enhances the commercial value and passenger experience of the cruise ship.
[0061] Furthermore, the pipe installation chamber 620 includes a first section 622 and a second section 623. The first section 622 extends in the fore-and-aft direction, and the second section 623 is connected to the first section 622. The second section 623 extends along the height direction of the engine room 100. The outlet of the second section 623 is located on the main deck 610, so the outlet of the second section 623 forms an air outlet 621.
[0062] In some embodiments, the fuel filling station 630 corresponds to the pipeline installation chamber 620. This reduces the length of the fuel filling pipeline connecting the fuel filling station 630 and the pipeline installation chamber 620, thereby reducing not only the risk of methanol fuel leakage but also structural redundancy.
[0063] Preferably, the isolation chamber 300 can be formed from a fuel preparation room.
[0064] In some embodiments, the delivery pipe 410 includes an inner pipe and an outer pipe. One end of the inner pipe is connected to the engine 110, and the other end is connected to the methanol fuel tank 200. The outer pipe is sleeved on the inner pipe, with one end of the outer pipe sealed to one end of the inner pipe, and the other end of the outer pipe sealed to the other end of the inner pipe. A cavity is formed between the outer pipes, and the cavity is connected to the pipe installation chamber 620. That is, in the event of a leak in the inner pipe, the leaked methanol fuel will enter the cavity instead of the engine compartment 100. Furthermore, because the cavity is connected to the pipe installation chamber 620, the leaked methanol fuel can gradually diffuse to the outside through the vent 621 of the pipe installation chamber 620, further improving safety performance.
[0065] Specifically, a branch pipe is connected between the outer pipe body and the pipe installation chamber 620. The branch pipe has an air inlet, and a first fan is installed at the air inlet. The first fan is configured to create an airflow from the air inlet to the pipe installation chamber 620. The first fan is used to quickly discharge leaked methanol fuel from the cavity to the outside, preventing methanol fuel from remaining in the cavity for a long time.
[0066] In other embodiments, at least a portion of the delivery pipe 410 is disposed within the pipe mounting chamber 620. That is, at least a portion of the delivery pipe 410 is directly disposed within the pipe mounting chamber 620, so that in the event of a leak in this at least portion of the delivery pipe 410, the leaked methanol gas can directly leak into the pipe mounting chamber 620, resulting in a simple structure.
[0067] Specifically, one end of the delivery pipe 410 is connected to the engine 110, and the other end of the delivery pipe 410 extends upward first, then extends into the pipe installation chamber 620 and into the methanol fuel tank 200, and finally exits from the pipe installation chamber 620 and connects to the methanol fuel tank 200.
[0068] In some embodiments, such as Figure 1 and Figure 2 As shown, there are two methanol fuel tanks 200, including a first methanol fuel tank 210 and a second methanol fuel tank 220, which are spaced apart in the left-right direction of the engine compartment 100. There are also two isolation chambers 300, including a first isolation chamber 310 and a second isolation chamber 320. The first isolation chamber 310 is located between the engine compartment 100 and the first methanol fuel tank 210, and the second isolation chamber 320 is located between the engine compartment 100 and the second methanol fuel tank 220. There are multiple engines 110, all located within the engine compartment 100. There are also multiple delivery pipes 410, each with one end connected to a corresponding engine 110, a portion of the other end connected to the first methanol fuel tank 210, and another portion connected to the second methanol fuel tank 220. In other words, by symmetrically arranging the methanol fuel tanks 200 on both sides of the engine room 100, the midship area of the vessel 10 is not directly opposite the methanol fuel tanks 200. This allows the midship area of the vessel 10 to be used for other functional cabins (such as living quarters for passengers), solving the problem of limited space on the vessel 10 in narrow waterways. Simultaneously, the symmetrical arrangement of the methanol fuel tanks 200 also improves the stability of the vessel 10.
[0069] The control method of the ship 10 according to an embodiment of the present invention is described below with reference to the accompanying drawings.
[0070] like Figure 4 As shown, the control method of the ship 10 of the present invention is applied to the ship 10 in any of the above embodiments. A second blower is provided in the pipeline installation chamber 620, and methanol concentration sensors are provided in both the delivery pipeline 410 and the fuel filling station. The control method includes:
[0071] The methanol concentration parameters of the isolation chamber 300, the delivery pipeline 410, and the fuel refueling station are acquired. That is, methanol concentration sensors are installed in the isolation chamber 300, the delivery pipeline 410, and the fuel refueling station, with the methanol concentration sensor in the delivery pipeline 410 located in the space between the inner and outer pipe bodies. Multiple methanol concentration sensors are used to detect the methanol concentration in the isolation chamber 300, the delivery pipeline 410, and the fuel refueling station to determine the presence of leaks in these components.
[0072] Based on the methanol concentration parameters corresponding to the isolation compartment 300, the delivery pipeline 410, and the fuel filling station, the control strategy for vessel 10 is determined. This control strategy includes a first control strategy and a second control strategy.
[0073] If the methanol concentration parameter is greater than or equal to the first preset value and less than the second preset value, the ship 10 is controlled to operate under the first control strategy. That is, if the methanol concentration parameter of one or more of the isolation compartment 300, the delivery pipeline 410, and the fuel filling station is greater than or equal to the first preset value and less than the second preset value, the ship 10 is controlled to operate under the first control strategy.
[0074] If the methanol concentration parameter is greater than or equal to the second preset value, the ship 10 is controlled to operate under the second control strategy. That is, if the methanol concentration parameter of one or more of the following—isolation chamber 300, delivery pipeline 410, and refueling station—is greater than or equal to the second preset value, the ship 10 is controlled to operate under the second control strategy.
[0075] The control method for the ship 10 in this embodiment of the invention determines the control strategy for the ship 10 based on the methanol concentration parameters corresponding to the isolation compartment 300, the delivery pipeline 410, and the refueling station, i.e., based on the methanol leakage situation. When the methanol leakage is minor, the ship 10 is controlled using a first control strategy; when the methanol leakage is severe, the ship 10 is controlled using a second control strategy. This not only improves the safety performance of the ship 10 but also ensures its operation as much as possible.
[0076] In some embodiments, the first control strategy is to control the second fan to operate at a first preset power and to provide feedback on the leak location and methanol concentration parameters. That is, in the event of a minor methanol leak, only ventilation and feedback on the leak location are provided so that operators can promptly detect and repair the leak, avoiding unnecessary ship-wide shutdown.
[0077] The second control strategy involves controlling the second blower to operate at a second preset power, providing feedback on the leak location and methanol concentration parameters, and issuing warning information. The second preset power is greater than the first preset power; that is, when the methanol fuel leak is severe, the second blower will expel methanol gas to the outside with greater suction force. Warning information may include activating warning lights and broadcasting warnings in all hazardous areas of the ship, and sending evacuation instructions to designated safe assembly points in the engine room and passenger areas.
[0078] In the event of a methanol fuel leak in the delivery pipeline 410, the first blower is controlled to operate, and the leaked methanol gas is discharged to the pipeline installation chamber 620.
[0079] Furthermore, if the methanol concentration change rate parameter is greater than or equal to the third preset value, the second fan is controlled to operate at the second preset power to discharge the leaked methanol with greater suction force, and the leak location and methanol concentration parameter are fed back, and an alarm message is issued. The number of operating engines 110 can be reduced, for example, by halving the number of multiple operating engines 110, or by cutting off the air intake or fuel supply to the engines 110.
[0080] In other embodiments, two fans are provided for the isolation chamber 300, the delivery pipe 410, and the pipe installation chamber 620. One fan operates continuously. When a decrease in the ventilation capacity of the isolation chamber 300, the delivery pipe 410, and the pipe installation chamber 620 is detected, the vessel in this embodiment issues audible and visual alarms in the bridge, control room, or ship safety center, as well as locally, and starts the other fan.
[0081] The ship 10 and its control method provided by the present invention have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the present invention. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core ideas of the present invention. It should be noted that those skilled in the art can make several improvements and modifications to the present invention without departing from the principles of the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.
Claims
1. A ship, characterized in that, include: The engine room, in which at least one engine is installed; A methanol fuel tank for storing methanol fuel; the methanol fuel tank is located on one side of the engine compartment along its length. An isolation compartment is disposed between the methanol fuel tank and the engine compartment; A delivery pipeline, one end of which is connected to the engine, and the other end of which passes through the engine compartment and the isolation compartment in sequence and is connected to the methanol fuel tank; A detection device is installed in the isolation chamber and is used to detect the concentration of methanol in the isolation chamber.
2. The ship according to claim 1, characterized in that, It also includes a protective structure disposed on the outside of the isolation chamber and corresponding to at least one wall of the isolation chamber.
3. The ship according to claim 2, characterized in that, The isolation chamber is connected to the methanol fuel tank; The protective structure includes a first protective wall, a second protective wall, and a third protective wall; the first protective wall is disposed outside the side wall of the methanol fuel tank and spaced apart from the side wall of the methanol fuel tank; the second protective wall is disposed at the top of the top wall of the methanol fuel tank and spaced apart from the top wall of the methanol fuel tank; the third protective wall is disposed at the bottom of the bottom wall of the methanol fuel tank and spaced apart from the bottom wall of the methanol fuel tank; both the second and third protective walls are connected to the first protective wall.
4. The ship according to claim 1, characterized in that, Also includes: The main deck is located on top of the engine room; A fuel refueling station is located on the main deck; A fuel filling pipeline, one end of which is connected to the fuel filling station and the other end of which is connected to the methanol fuel tank; The engine compartment has a pipe installation chamber on at least one side in its width direction; the pipe installation chamber extends in the length direction of the engine compartment and extends to the isolation compartment or the methanol fuel tank; the pipe installation chamber has an outlet communicating with the outside; at least a portion of the fuel refueling pipe is disposed in the pipe installation chamber.
5. The ship according to claim 4, characterized in that, The pipe installation chamber includes a first section and a second section. The first section extends along the length of the engine room, and the second section is connected to the first section and extends along the height of the engine room. The outlet of the second section is located on the main deck, so the outlet of the second section forms the air vent. Alternatively, the fuel filling station corresponds to the pipeline installation chamber.
6. The vessel according to claim 4, characterized in that, The conveying pipeline includes: The inner tube body has one end connected to the engine and the other end connected to the methanol fuel tank. An outer tube body is fitted onto an inner tube body, with one end of the outer tube body sealed to one end of the inner tube body, and the other end of the outer tube body sealed to the other end of the inner tube body; a cavity is formed between the outer tube body and the inner tube body, and the cavity communicates with the pipe installation chamber. Alternatively, a branch pipe is connected between the outer pipe body and the pipe installation chamber, and the branch pipe has an air inlet; a first fan is provided at the air inlet, and the first fan is configured to promote the formation of airflow from the air inlet to the pipe installation chamber.
7. The ship according to claim 4, characterized in that, At least a portion of the delivery pipe is disposed within the pipe installation chamber.
8. The ship according to any one of claims 4-7, characterized in that, The methanol fuel tanks are two in number, including a first methanol fuel tank and a second methanol fuel tank; the first methanol fuel tank and the second methanol fuel tank are spaced apart in the width direction of the engine compartment. The isolation chamber consists of two chambers, including a first isolation chamber and a second isolation chamber; The first isolation compartment is disposed between the engine compartment and the first methanol fuel tank; the second isolation compartment is disposed between the engine compartment and the second methanol fuel tank; There are multiple engines, and all of the multiple engines are located in the engine compartment; There are multiple delivery pipes, one end of each delivery pipe is connected to one of the engines; a portion of the other end of each delivery pipe is connected to the first methanol fuel tank, and another portion of the other end of each delivery pipe is connected to the second methanol fuel tank.
9. A method for controlling a ship, characterized in that, Applied to the vessel according to any one of claims 4-8, a second fan is provided in the pipeline installation chamber, and both the conveying pipeline and the pipeline installation chamber are provided with methanol concentration sensors; the control method includes: Obtain the methanol concentration parameters of the isolation chamber, the delivery pipeline, and the pipeline installation chamber; The control strategy of the ship is determined based on the methanol concentration parameters corresponding to the isolation chamber, the delivery pipeline, and the pipeline installation chamber; wherein the control strategy includes a first control strategy and a second control strategy. If the methanol concentration parameter is greater than or equal to a first preset value and less than a second preset value, the ship is controlled to operate under a first control strategy. If the methanol concentration parameter is greater than or equal to the second preset value, the ship is controlled to operate under the second control strategy.
10. The ship control method according to claim 9, characterized in that, The first control strategy is to control the second fan to operate at a first preset power and to provide feedback on the leak location and the methanol concentration parameter; The second control strategy involves controlling the second fan to operate at a second preset power, feeding back the leak location and the methanol concentration parameter, and issuing an alarm message; wherein the second preset power is greater than the first preset power; and / or, If the methanol concentration change rate parameter is greater than or equal to the third preset value, the second fan is controlled to operate at the second preset power, and the leak location and the methanol concentration parameter are fed back, and an alarm message is issued; the number of times the engine is shut down is reduced.