Methanol fuel automobile transport ship

Abstract

The utility model discloses a methanol fuel automobile transport ship which comprises a methanol fuel storage cabin arranged between an engine room and a cargo hold. Isolation void cabins are arranged between the methanol fuel storage cabin and the cabin as well as between the methanol fuel storage cabin and the cargo cabin; a methanol fuel daily cabin and a methanol fuel preparation room are arranged between the cabin and the cargo cabin; the methanol fuel daily cabin and the methanol fuel preparation room are positioned on the same side of the methanol fuel storage cabin; the methanol fuel storage cabin is fixedly connected to the ship body structure. The utilization rate of the internal space of the ship is effectively improved, the loss of cargo hold space and vehicle deck area caused by the arrangement of a large-volume methanol fuel cabin is overcome to the maximum extent, and the optimal balance of the loading economy and the low-carbon environmental protection property of the automobile transport ship is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of ships, in particular to a methanol fuel automobile transport ship. Background Art

[0002] As the global shipbuilding and shipping market accelerates its transformation from the traditional fuel ship system to the new clean alternative fuel ship system, methanol, as a clean energy, will greatly reduce carbon emissions in the entire life cycle of ships fueled by it. At present, car carriers generally use liquefied natural gas (LNG) fuel and mature energy-saving measures to meet the third phase target requirements of the Energy Efficiency Design Index (EEDI) in 2025 required by the International Maritime Organization (IMO).

[0003] The fuel used by traditional car transporters has high energy consumption and large carbon emissions. As environmental protection has become a focus of increasing concern in the international maritime community, current car carriers generally use liquefied natural gas (LNG) fuel and mature energy-saving measures to meet the third phase target requirements of the Energy Efficiency Design Index (EEDI) in 2025 required by the International Maritime Organization (IMO). Liquefied natural gas needs to be stored in dedicated fuel tanks at extremely low temperatures. There are integrated and independent types of liquefied natural gas fuel tanks. The integrated fuel tank is directly connected to the hull structure, and the liquefied natural gas and the hull structure are separated by a specific membrane; the independent fuel tank is not directly connected to the hull structure, and the internal independent liquefied natural gas storage tank is placed on the saddle.

[0004] Disadvantages of liquefied natural gas as a marine fuel: it needs to be stored at extremely low temperatures, requiring the storage tank and surrounding materials to be resistant to low temperatures, the construction and maintenance costs of the low-temperature fuel system are high, and high requirements are placed on the fuel replenishment system.

[0005] Methanol can replace liquefied natural gas as a marine fuel. Since methanol is a colorless, transparent, highly toxic, volatile and corrosive substance, using methanol as a marine fuel poses a series of new technical challenges to ship design. Utility Model Content

[0006] The technical problem to be solved by the utility model is to overcome the above-mentioned defects in the prior art and provide a methanol fuel automobile transport ship.

[0007] The utility model solves the above technical problems through the following technical solutions:

[0008] A methanol fuel automobile transport ship comprises a methanol fuel storage tank, which is arranged between an engine room and a cargo hold; an isolation empty tank is arranged between the methanol fuel storage tank and the engine room, and between the methanol fuel storage tank and the cargo hold; a methanol fuel daily tank and a methanol fuel preparation room are also arranged between the engine room and the cargo hold; the methanol fuel storage tank, the methanol fuel daily tank and the methanol fuel preparation room are all arranged below the main deck; the methanol fuel daily tank and the methanol fuel preparation room are located on the same side of the methanol fuel storage tank; the methanol fuel storage tank and the methanol fuel daily tank are both connected with a vent pipe for connecting to the atmosphere; and the methanol fuel storage tank is fixedly connected to the hull structure.

[0009] Furthermore, an escape passage is provided in the isolation cabin.

[0010] Furthermore, a longitudinal grooved bulkhead and a transverse grooved bulkhead are provided in the methanol fuel storage tank, and the longitudinal grooved bulkhead and the transverse grooved bulkhead divide the methanol fuel storage tank into four storage spaces.

[0011] Furthermore, the methanol fuel daily cabin is arranged in the methanol fuel preparation room.

[0012] Furthermore, a methanol fuel main engine and a methanol fuel generator set are provided in the engine room; methanol delivery pipes are provided between the methanol fuel storage tank and the methanol fuel daily tank, between the methanol fuel daily tank and the methanol fuel main engine, and between the methanol fuel daily tank and the methanol fuel generator set.

[0013] Furthermore, the methanol delivery pipe between the methanol fuel daily tank and the methanol fuel main engine, and the methanol delivery pipe between the methanol fuel daily tank and the methanol fuel generator set are both ventilated double-wall pipes.

[0014] Furthermore, the ventilation pipe is provided with a ventilation valve; the ventilation valve is located above the top deck.

[0015] Furthermore, a ventilation mast is provided on the top deck, and the ventilation pipe is fixedly connected to the ventilation mast.

[0016] Furthermore, a methanol filling station is provided on the main deck.

[0017] Furthermore, a methanol filling station is arranged on the side of the main deck, and a methanol filling station is arranged on the port side and the starboard side of the main deck.

[0018] The beneficial effects of the utility model are as follows: in the utility model, each subsystem in the methanol fuel system is integratedly designed and optimally arranged, which greatly shortens the transportation distance of methanol fuel, effectively controls the risk of methanol fuel leakage, and minimizes the threat of highly toxic methanol to ship safety and personnel safety when leaking and spreading, thereby achieving the feasibility, safety and efficiency of the design of a car carrier using methanol as fuel. The utility model adopts a double-walled methanol fuel tank directly connected to the hull structure, which effectively improves the utilization rate of the internal space of the ship, overcomes the loss of cargo hold space and vehicle deck area caused by the installation of a large-volume methanol fuel tank to the greatest extent, and achieves the best balance between the loading economy and low-carbon environmental protection of the car carrier. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a preferred embodiment of the utility model.

[0020] Figure 2 It is a cross-sectional view of a preferred embodiment of the utility model. DETAILED DESCRIPTION

[0021] A preferred embodiment is given below, and the present invention is described more clearly and completely in conjunction with the accompanying drawings.

[0022] like Figure 1 and Figure 2 As shown, a methanol fuel automobile transport ship includes a methanol fuel storage tank 10, which is arranged between the engine room 21 and the cargo hold 22; isolation air tanks 15 are arranged between the methanol fuel storage tank 10 and the engine room 21, between the methanol fuel storage tank 10 and the cargo hold 22, and between the methanol fuel storage tank 10 and the main deck 20.

[0023] The methanol fuel storage tank 10 is fixed to the hull structure. An escape passage is provided in the isolation air compartment 15. To clearly show other components, Figure 1 and Figure 2 The escape passage is not shown in the figure. The escape passage is a common component in the art and will not be described in detail here.

[0024] A longitudinal grooved bulkhead 13 and a transverse grooved bulkhead 14 are provided in the methanol fuel storage tank 10. The longitudinal grooved bulkhead 13 and the transverse grooved bulkhead 14 intersect with each other, and the longitudinal grooved bulkhead and the transverse grooved bulkhead divide the methanol fuel storage tank into four storage spaces.

[0025] A methanol fuel daily tank 11 and a methanol fuel preparation room 12 are also provided between the engine room 21 and the cargo hold 22. The methanol fuel storage tank 10, the methanol fuel daily tank 11 and the methanol fuel preparation room 12 are all provided below the main deck 20.

[0026] The methanol fuel daily tank 11 and the methanol fuel preparation room 12 are located on the same side of the methanol fuel storage tank 10. In a preferred embodiment, the methanol fuel daily tank 11 is arranged in the methanol fuel preparation room 12.

[0027] The engine room 21 is provided with a methanol fuel main engine 23 and a methanol fuel generator set 24; methanol delivery pipes are provided between the methanol fuel storage tank 10 and the methanol fuel daily tank 11, between the methanol fuel daily tank 11 and the methanol fuel main engine 23, and between the methanol fuel daily tank 11 and the methanol fuel generator set 24. Figure 1 and Figure 2 The methanol delivery pipe is not shown.

[0028] The methanol delivery pipe between the methanol fuel daily tank 11 and the methanol fuel main engine 23, and the methanol delivery pipe between the methanol fuel daily tank 11 and the methanol fuel generator set 24 are both ventilated double-wall pipes.

[0029] The methanol fuel storage tank 10 and the methanol fuel daily tank 11 are both connected with a ventilation pipe for communicating with the atmosphere. The ventilation pipe is provided with a ventilation valve; the ventilation valve is located above the top deck 28. The top deck 28 is provided with a ventilation mast 25 and a superstructure 27, and the ventilation pipe passes through the main deck and the top deck and is fixed to the ventilation mast.

[0030] exist Figure 1 In the case of a ventilating mast, the ventilating tube on the ventilating mast is too thin to be distinguished from the ventilating mast, so the ventilating tube is not marked on the ventilating mast. Figure 1 Not shown is the ventilator duct between the main deck and the top deck.

[0031] A methanol filling station 26 is provided on the main deck 20. The methanol filling station is usually located in the middle and rear part of the ship. The methanol filling station 26 is provided on the side of the main deck, and a methanol filling station 26 is provided on the port side and the starboard side of the main deck. The methanol filling station is provided to accommodate diversified filling schemes of methanol such as offshore pontoon filling, shore-based filling, and ship-to-ship filling.

[0032] Compared with using liquefied natural gas as marine fuel, methanol as marine fuel has several advantages: it does not need to be stored at extremely low temperatures, the construction and maintenance costs of the fuel system are lower, and the requirements for the fuel replenishment system are lower.

[0033] In the utility model, each subsystem in the methanol fuel system is integratedly designed and optimally arranged, which greatly shortens the transportation distance of the methanol fuel, effectively controls the risk of methanol fuel leakage, and minimizes the threat to the safety of ships and personnel when the highly toxic methanol leaks and spreads, thereby achieving the feasibility, safety and efficiency of the design of automobile carriers using methanol as fuel.

[0034] The utility model adopts a double-bulkhead methanol fuel tank directly connected to the hull structure, which effectively improves the utilization rate of the internal space of the ship, overcomes the loss of cargo hold space and vehicle deck area caused by the installation of a large-volume methanol fuel tank to the greatest extent, and achieves the best balance between the loading economy and low-carbon environmental protection of the automobile transport ship.

[0035] Although the specific implementations of the utility model are described above, those skilled in the art should understand that this is only an example, and the protection scope of the utility model is defined by the attached claims. Those skilled in the art can make various changes or modifications to these implementations without departing from the principle and essence of the utility model, but these changes and modifications fall within the protection scope of the utility model.

Claims

1. A methanol fuel automobile carrier, comprising a methanol fuel storage tank, characterized in that: The methanol fuel storage tank is located between the engine room and the cargo hold; there are isolated empty tanks between the methanol fuel storage tank and the engine room, and between the methanol fuel storage tank and the cargo hold; there are also methanol fuel daily tanks and methanol fuel preparation rooms between the engine room and the cargo hold; the methanol fuel storage tank, methanol fuel daily tank and methanol fuel preparation room are all located below the main deck; the methanol fuel daily tank and the methanol fuel preparation room are located on the same side of the methanol fuel storage tank; the methanol fuel storage tank and the methanol fuel daily tank are both connected with a vent pipe for connecting to the atmosphere; the methanol fuel storage tank is fixed to the hull structure.

2. The methanol fuel automobile carrier according to claim 1, characterized in that: There is an escape route in the isolated cabin.

3. The methanol fuel automobile carrier according to claim 1, characterized in that: The methanol fuel storage tank is provided with longitudinal grooved bulkheads and transverse grooved bulkheads, which divide the methanol fuel storage tank into four storage spaces.

4. The methanol fuel automobile carrier according to claim 1, characterized in that: The methanol fuel daily tank is located in the methanol fuel preparation room.

5. The methanol fuel automobile carrier according to claim 1, characterized in that: The engine room is equipped with a methanol fuel main engine and a methanol fuel generator set; methanol delivery pipes are installed between the methanol fuel storage tank and the methanol fuel daily tank, between the methanol fuel daily tank and the methanol fuel main engine, and between the methanol fuel daily tank and the methanol fuel generator set.

6. The methanol fuel automobile carrier according to claim 5, characterized in that: The methanol delivery pipe between the methanol fuel daily tank and the methanol fuel main engine, and the methanol delivery pipe between the methanol fuel daily tank and the methanol fuel generator set are both ventilated double-wall pipes.

7. The methanol fuel automobile carrier according to claim 1, characterized in that: The ventilation pipe is provided with a ventilation valve; the ventilation valve is located above the top deck.

8. The methanol fuel automobile carrier according to claim 7, characterized in that: A ventilation mast is provided on the top deck, and a ventilation pipe is fixedly connected to the ventilation mast.

9. The methanol fuel automobile carrier according to claim 1, characterized in that: A methanol filling station is located on the main deck.

10. The methanol fuel automobile carrier according to claim 9, characterized in that: The methanol filling station is located on the side of the main deck, and there are methanol filling stations on the port and starboard sides of the main deck.

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