Methanol reserved dual-fuel deck transport ship

Abstract

The utility model discloses a methanol reserved dual-fuel deck transport ship. The methanol reserved dual-fuel deck transport ship comprises a main ship body, the surface of the bow of the main hull is provided with a superstructure, and an auxiliary cabin is arranged in the main hull. The part, between the stern end wall of the superstructure and the stern of the main hull, of the surface of the main hull is an all-pass deck. A plurality of methanol cabins are arranged in the middle of the main ship body; a chimney is arranged on the surface of the stern of the main hull, and a propulsion main engine room and a stern cable cabin are arranged in the main hull; a channel is connected between the auxiliary cabin and the propulsion main cabin; a propulsion system is arranged in the propulsion main engine room; a ballast adjusting pump is arranged in the auxiliary cabin; and the methanol cabin is connected with a high-pressure ventilation valve. The scheme that methanol clean energy is reserved is adopted, and the device has the advantages of being environmentally friendly, intelligent, efficient and the like, not only makes up for the requirement of the future market for an ultra-large deck transport ship, but also fills up the blank of application of clean energy power in ocean large deck transport ships at present.

Description

TECHNICAL FIELD

[0001] The utility model relates to transport ship technology, more specifically, relate to a kind of methanol reserved dual-fuel deck transport ship, especially applicable to 50,000-ton methanol reserved dual-fuel deck transport ship. BACKGROUND

[0002] Deck transport ship is mainly used for transporting undecomposable large whole goods, including ocean engineering module, large power equipment, chemical and oil refining equipment, major construction equipment, military equipment and tugboat, barge and other large equipment facilities. Major piece transport operation scheme must be specially designed according to the characteristics of transport object and route, and a large amount of engineering technical experience and on-site operation support are needed, and the market entry threshold is high. Compared with conventional ship type, it is a typical high-tech and high value-added product.

[0003] With the continuous expansion of maritime economy, the investment of offshore resource development, marine port engineering and other infrastructure projects is accelerating, and the demand for marine engineering large complete equipment and facility transportation business is also rising, so the large piece transportation market has great development space.

[0004] With the continuous development of shipping industry, the degree of specialization and standardization of ships is continuously improved, and the ship will become the development trend in the future. But the existing deck transport ship in the market has less large load tonnage, old age, performance decline and high maintenance cost, which has gradually faced the situation of updating.

[0005] On the other hand, with the improvement of market requirements for ship environmental protection and technology, new ships are needed to meet the requirements of new specifications, and new technologies are needed to improve ship performance and reduce ship operating cost. Therefore, it can be predicted that in the future industrial development and energy development, green and environmentally friendly, intelligent and efficient large deck transport ship will play an important role. UTILITARY MODEL CONTENT

[0006] In view of the defects in the prior art, the utility model aims at providing a kind of methanol reserved dual-fuel deck transport ship, using the scheme of reserving methanol clean energy, with green environmental protection, intelligent and efficient and other characteristics, not only make up the demand of future market for super large deck transport ship, also fill the blank of current clean energy power in ocean large piece deck transport ship.

[0007] To achieve the above object, the utility model adopts the following technical scheme:

[0008] A kind of methanol reserved dual-fuel deck transport ship, including main hull;

[0009] The bow surface of the main hull is provided with superstructure, and the inside is provided with auxiliary engine room;

[0010] The surface of the main hull between the aft end wall of the superstructure and the aft part of the main hull is a full deck;

[0011] The middle part of the main hull is internally provided with a plurality of methanol cabins;

[0012] The aft surface of the main hull is provided with a funnel, and the funnel is internally provided with a propulsion main engine cabin and a stern cable cabin;

[0013] A passageway is connected between the auxiliary machinery cabin and the propulsion main engine cabin;

[0014] The propulsion system is arranged in the propulsion main engine cabin;

[0015] The ballast transfer pump is arranged in the auxiliary machinery cabin;

[0016] The high-pressure air breather valve is connected to the methanol cabin.

[0017] Preferably, the main hull is a steel full-welded structure;

[0018] The bow part of the main hull is provided as a bulbous bow;

[0019] The aft part of the main hull is provided as a square stern;

[0020] The bottom part of the main hull is provided as a double-bottom structure.

[0021] Preferably, the plurality of methanol cabins are separated by tank-type bulkheads.

[0022] Preferably, the funnel is arranged at the right side of the aft part of the main hull.

[0023] Preferably, the propulsion system adopts a single-engine single-shaft single-propeller direct propulsion type;

[0024] The propulsion system is connected with a low-speed two-stroke methanol-reserved dual-fuel diesel engine;

[0025] The propulsion main engine cabin is further provided with three low-speed two-stroke methanol-reserved dual-fuel diesel generator sets.

[0026] Preferably, the ballast transfer pump is provided with four ballast transfer pumps.

[0027] Preferably, the high-pressure air breather valve is arranged at the bow mast position of the bow part of the main hull.

[0028] Preferably, the propeller of the propulsion system is provided with an energy-saving device.

[0029] Preferably, the stern cable cabin is provided with a mooring device.

[0030] Preferably, the sunken area of the main deck of the main hull is provided with a bollard.

[0031] The methanol reserved dual-fuel deck transport ship provided by the utility model adopts a series of control measures in aspects of general arrangement, structural design, material selection and system configuration, meets the construction demand of green port channel, is a 50,000-ton major piece deck transport ship which adopts a methanol reserved dual-fuel power system, meets the latest international convention and specification requirement and reaches predetermined technical indexes, fully embodies the design concept of green environmental protection, intelligent high efficiency, humanization and sustainable development, and the ship has stronger loading capacity, wider operation area and better operation economy. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is the front view schematic diagram of the methanol reserved dual-fuel deck transport ship of the utility model;

[0033] Figure 2 is the top view schematic diagram of the methanol reserved dual-fuel deck transport ship of the utility model;

[0034] Figure 3 is the typical transverse section schematic diagram of the ballast tank of the methanol reserved dual-fuel deck transport ship of the utility model;

[0035] Figure 4 is the breather main pipe arrangement schematic diagram of the ballast tank of the methanol reserved dual-fuel deck transport ship of the utility model. DETAILED DESCRIPTION

[0036] In order to better understand the above technical scheme of the utility model, the technical scheme of the utility model is further explained below in combination with the drawings and embodiments.

[0037] Combined with Figure 1 and Figure 2 shown, the methanol reserved dual-fuel deck transport ship provided by the utility model has a load capacity of 50,000 tons, can load 5 bridge cranes of 2,500 tons, and the maximum capacity of the stern loading is 20,000 tons. The methanol reserved dual-fuel deck transport ship comprises a main hull 1.

[0038] The length of the main hull 1 is 217 meters, the length between perpendiculars is 212 meters, the type width is 43 meters, and the type depth is 13.5 meters.

[0039] The main hull 1 is a steel full-welded structure, adopts a streamline design, is provided with a double-bottom structure at the bottom, and is provided with a bulbous bow at the bow part, an upper deck house 3 is arranged on the upper surface of the bulbous bow, and an auxiliary engine room 7 is arranged in the bow part.

[0040] The surface of the main hull 1 between the stern end wall of the upper deck house 3 and the stern part of the main hull 1 is a full-through deck 4, which is used for large cargo sliding and rolling loading and is not blocked by any obstruction.

[0041] The length of the full-through deck 4 is not less than 185 meters, and the effective loading area is not less than 7,800 square meters, so that the two loading and unloading ways of the side and the stern can be met.

[0042] The stern of the main hull 1 is a square stern with a stern engine design. Inside, there are a main propulsion cabin 5 and a stern cable compartment 10. The chimney 6 is located on the starboard side of the stern and is removable. When the stern is used for roll-on or roll-off loading of extra-wide cargo, the chimney 6 can be temporarily removed if necessary.

[0043] The propulsion system 2, housed in the main propulsion room 5, is a single-engine, single-shaft, single-propeller direct-thrust system. It features a low-speed, two-stroke, methanol-ready, dual-fuel diesel engine with a shaft generator, providing sufficient power for the vessel's normal operating conditions. Three methanol-ready, dual-fuel diesel generator sets are also installed to provide auxiliary power for the entire vessel when the shaft generator is inoperative.

[0044] The main engine and diesel generator set of propulsion system 2 are both equipped with methanol dual-fuel function. Its emissions meet the requirements of Tier III NOx emissions in Annex VI of MARPOL73 / 78 and the domestic environmental protection requirements of GB15097-2016 C2, and are suitable for navigation and operation in unlimited areas around the world.

[0045] Four ballast transfer pumps are installed in the auxiliary engine room 7, with the ability to adjust the load at a draft change of 1 meter per hour, which can achieve fast, flexible and changeable load adjustment to meet the loading and unloading needs of the terminal.

[0046] There are two through passages connecting the auxiliary engine room 7 to the main propulsion engine room 5.

[0047] Four methanol tanks 8 are provided in the middle interior of the main hull 2 ​​and are separated by trough-shaped bulkheads, two of which can also serve as heavy oil tanks.

[0048] A high-pressure vent valve 9 is connected to the methanol tank 9 and is located on the bow mast. Because the outlet of the high-pressure vent valve 9 is in a hazardous area, the valve 9 is positioned as far upward and toward the bow as possible. This keeps the superstructure 3 and forecastle operating areas out of the hazardous area and as far away as possible. The placement of the high-pressure vent valve 9 also represents an innovative design.

[0049] A mooring system is installed in the stern mooring compartment 10, and a bollard is installed in the sunken area 11 of the main deck of the main hull 1. The main deck railing is detachable and can be temporarily removed during loading and unloading. These designs ensure that the main deck is fully accessible for loading and unloading.

[0050] The propellers of the propulsion system are equipped with energy-saving devices, such as guide tubes and vortex-eliminating fins, at the front and rear. These devices improve the water flow around the propellers and enhance propulsion efficiency. Optimized water flow also reduces wear on the propellers and propulsion system, extending the service life of the equipment.

[0051] The methanol reserved dual-fuel deck transport ship is further provided with intelligent navigation, intelligent energy efficiency and intelligent engine room management systems, multi-objective optimization management is conducted on navigation time, oil consumption, total cost and the like, the whole ship management level can be effectively improved, the ship energy efficiency is improved, and the navigation operation safety is ensured.

[0052] The methanol reserved dual-fuel deck transport ship can accommodate 30 people, and the self-sustaining force is greater than 80 days. When the methanol / heavy oil dual-purpose cabin is loaded with heavy oil, the endurance is greater than 30000 nautical miles; when the methanol / heavy oil dual-purpose cabin is loaded with methanol, the endurance is greater than 18000 nautical miles.

[0053] As shown in Figure 3 The methanol reserved dual-fuel deck transport ship is further provided with intelligent navigation, intelligent energy efficiency and intelligent engine room management systems, multi-objective optimization management is conducted on navigation time, oil consumption, total cost and the like, the whole ship management level can be effectively improved, the ship energy efficiency is improved, and the navigation operation safety is ensured.

[0054] As shown in Figure 4 In order to realize the full-through barrier-free cargo deck of the methanol reserved dual-fuel deck transport ship, the ventilation overflow pipe of the ballast tank cannot be directly arranged on the cargo deck, and a special design form must be adopted, and the ship scheme is as follows: the ventilation main pipe of the ballast tank is arranged on the "V-shaped area" on the two sides of the midship bulkhead and below the main deck, then penetrates from the stern of the forecastle deck to the open deck, and the ventilation purpose is achieved. The "V-shaped area" is above the maximum damage waterline of the ship, and even if the ventilation pipe is damaged and floods, it will not cause adverse effects on the damage stability. The arrangement form is beneficial to saving the arrangement space, and can greatly save the use of the pipe system and valve.

[0055] Those skilled in the art of the technical field should recognize that the above embodiments are only used to illustrate the utility model, and are not used as a limitation on the utility model, as long as the changes and modifications of the above described embodiments are within the scope of the utility model, the changes and modifications of the above described embodiments will fall within the scope of the claims of the utility model.

Claims

1. A methanol reserved dual-fuel deck cargo carrier characterized by: The main hull includes a bow part, an upper deck, an engine room, a plurality of methanol tanks, a funnel, a propelling engine room, a stern cable room, a stern part, a stern wall, a full deck, a channel, a propelling system, a ballast pump, a high-pressure air valve, a bulbous bow, a square stern, a double bottom structure, a slot-shaped bulkhead, a right side of the stern part, a single engine, a single shaft, a single propeller, a low-speed two-stroke methanol diesel engine, a methanol diesel generator, four ballast pumps, a bow mast, an energy-saving device, a mooring device, and a bitt. The bow part surface of the main hull is provided with the upper deck, and the inside is provided with the engine room. The surface of the main hull between the stern wall of the upper deck and the stern part of the main hull is the full deck. The middle inside of the main hull is provided with the plurality of methanol tanks. The stern part surface of the main hull is provided with the funnel, and the inside is provided with the propelling engine room and the stern cable room. The channel is connected between the engine room and the propelling engine room. The propelling system is arranged in the propelling engine room. The ballast pump is arranged in the engine room. The high-pressure air valve is connected to the methanol tank.

2. The methanol-preferred dual-fuel deck barge of claim 1, characterized by: The main hull is a steel full-welded structure. The bow part of the main hull is provided as the bulbous bow. The stern part of the main hull is provided as the square stern. The bottom of the main hull is provided as the double bottom structure.

3. The methanol-preferred dual-fuel deck barge of claim 1, characterized by: The plurality of methanol tanks are separated by the slot-shaped bulkhead.

4. The methanol-preferred dual-fuel deck barge of claim 1, characterized by: The funnel is arranged at the right side of the stern part of the main hull.

5. The methanol-preferred dual-fuel deck barge of claim 1, characterized by: The propelling system adopts the single engine, single shaft and single propeller direct thrust type. The low-speed two-stroke methanol reserved dual-fuel diesel engine is connected to the propelling system. The three low-speed two-stroke methanol reserved dual-fuel diesel generator sets are arranged in the propelling engine room.

6. The methanol-preferred dual-fuel deck barge of claim 1, characterized by: The four ballast pumps are arranged.

7. The methanol-preferred dual-fuel deck barge of claim 1, characterized by: The high-pressure air valve is arranged at the bow mast of the bow part of the main hull.

8. The methanol-preferred dual-fuel deck barge of claim 5, characterized by: The energy-saving device is arranged on the propeller of the propelling system.

9. The methanol-preferred dual-fuel deck barge of claim 1, characterized by: The mooring device is arranged in the stern cable room.

10. The methanol-preferred dual-fuel deck barge of claim 1, characterized by: The bitt is arranged in the sunken area of the main deck of the main hull.

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