Clean fuel ship cabin and arrangement method thereof

Abstract

The invention relates to a clean fuel ship cabin and an arrangement method thereof, the clean fuel ship cabin comprises a diesel engine, a propulsion system, a chimney, a liquid tank and a rudder, the diesel engine is placed on the inner bottom of a main ship body, the diesel engine is connected with the liquid tank through an air inlet, the propulsion system comprises a propulsion shaft and a propeller, and the propeller is connected with the chimney. One end of the propulsion shaft is connected with the diesel engine, the other end of the propulsion shaft is connected with the propeller, the chimney extends to the double-layer bottom cabin from an exhaust port of the diesel engine and is communicated with the double-layer bottom cabin, the liquid tanks are H-shaped and are divided into main liquid tanks and connecting liquid tanks, the main liquid tanks are symmetrically distributed on the two sides of the main ship body and arranged around the cabin, and the connecting liquid tanks are distributed above the propulsion shaft. The rudder is arranged above the main deck and located on the bulkhead at the bow end of the tail. According to the cabin of the ship and the arrangement method of the cabin, the problems of numerous cabin equipment and disordered arrangement are solved, the main size of the ship body is greatly reduced, and the manufacturing cost and the fuel consumption during sailing operation are reduced.

Description

Technical Field

[0001] The invention relates to an engine room of a clean fuel ship and a layout method thereof, belonging to the technical field of ships and marine engineering. Background Art

[0002] In order to accommodate the layout of various systems, existing ships usually have more empty compartments at the stern, which results in a waste of space in the compact main hull layout, and further affects the main dimensions of the main hull, manufacturing costs and fuel consumption.

[0003] In addition, in order to operate normally, the existing ship engine room needs to be equipped with a cooling system and an air supply system. In addition to ensuring the cabin temperature, the combustion air demand of the engine should also be guaranteed. Not only a large number of systems are configured, but also a large amount of space is occupied.

[0004] In summary, the existing engine room equipment is numerous and chaotically arranged, which greatly increases the main dimensions of the hull, increases manufacturing costs and fuel consumption during navigation operations. Summary of the invention

[0005] The present invention is to provide an engine room of a clean fuel ship and a layout method thereof, which is used to solve the problem of numerous engine room equipments and chaotic layout, reduce the main dimensions of the hull, reduce manufacturing costs and fuel consumption during navigation operations.

[0006] To achieve the above-mentioned purpose, the technical solution of the present invention is: an engine room of a clean fuel ship, comprising a diesel engine, a propulsion system, a chimney, a liquid tank, and a rudder, wherein the diesel engine is placed on the inner bottom of the main hull, and the diesel engine is connected to the liquid tank through an air inlet, the propulsion system comprises a propulsion shaft and a propeller, one end of the propulsion shaft is connected to the diesel engine, and the other end is connected to the propeller, the chimney extends from the exhaust port of the diesel engine to the double bottom tank, and is connected to the double bottom tank, the liquid tank is H-shaped, and is divided into a main liquid tank and a connecting liquid tank, the main liquid tanks are symmetrically distributed on both sides of the main hull and arranged around the engine room, the connecting liquid tanks are distributed above the propulsion shaft, and the rudder is arranged above the main deck and is located on the bow bulkhead at the rear of the engine room.

[0007] Furthermore, the length direction of the diesel engine is along the longitudinal direction of the main hull, and each cylinder of the diesel engine is provided with an air inlet, and the air inlet supplies liquid clean fuel through a main opening connected to the liquid tank. The air inlet is made of heat-insulating material and is fire-proof and high-temperature resistant.

[0008] Furthermore, one end of the chimney pipe is connected to the main exhaust outlet of the diesel engine, and the other end is connected to the gray water tank of the double bottom. The gray water tank is divided into two parts, one part is located at the bottom of the engine room, and the other part is located at the bottom of the connecting liquid tank compartment. The gray water tank at the bottom of the engine room is used for purifying the fuel exhaust gas, and the gray water tank at the bottom of the connecting liquid tank is used for cooling the fuel exhaust gas. The other end of the chimney extends to the inside of the gray water in the gray water tank and can ensure the normal discharge of smoke. The partition wall of the two parts of the gray water tank has a large opening, which is enough to allow the smoke to pass completely. After passing through the gray water tank, the smoke enters the empty compartment at the rear and is discharged from the main hull. The empty compartment at the rear has large openings in the bow end wall and the rear end wall. The edge of the large opening is not more than 1.5 meters away from the edge of the empty compartment bulkhead, and is not less than 0.5 meters. The opening size of the rear end wall of the empty compartment is larger than the opening size of the bow end wall of the empty compartment.

[0009] Furthermore, the boundary of the main liquid tank is not less than 400 mm away from the main hull structure, the cross-section of the main liquid tank is square, and the liquid tank has a large arc near the bilge area of ​​the hull, and the liquid tank stores liquid clean fuel.

[0010] Furthermore, the engine room adopts an open roof and is connected to the main hull through pillars. The top of the open roof and the direction of the overlapping living building are fully enclosed areas, and other directions are fully open areas. The open roof is made of flexible material, and the bow is overlapped on the rudder.

[0011] Furthermore, the rudder is made of lightweight material, and has a rotating shaft at the center of the rudder, around which the rudder rotates, and the rotating shaft is arranged on the bulkhead at the bow end of the stern, and an air duct is provided inside the rudder, and the air duct has a large opening on the side along the wind direction and a small opening on the side along the main hull engine room, and the small opening of the rudder is located inside the opening area of ​​the main deck of the engine room.

[0012] Furthermore, the engine room also includes an engine room, a liquid tank tank, a ballast tank, a gray water tank, an empty tank, a propulsion tank, and a living building control cabin. The living building control cabin is arranged on the upper part of the main deck of the main hull, the engine room and the liquid tank tank are arranged between the main deck and the inner bottom of the main hull, and the ballast tank and the gray water tank are arranged below the inner bottom of the main hull; the engine room and the propulsion cabin are arranged in the middle of the ship, the propulsion cabin is open, the liquid tank tank is arranged on both sides of the engine room and the propeller cabin, and extends to the entire tail area.

[0013] Furthermore, the height of the gray water tank is not less than 1.5 meters, and the gray water tank is arranged in the ship, and ballast water tanks are arranged on both sides of the gray water tank; the empty cabin is located between the living building and the propulsion cabin, and large openings are provided in the bow and stern directions of the cabin.

[0014] A method for arranging an engine room of a clean fuel ship, comprising the following specific steps:

[0015] S1: Select the diesel engine model and propeller size according to the ship's speed requirements, then arrange the engine compartment according to the diesel engine and the propulsion compartment according to the propeller size;

[0016] S2: The size of the connecting tank is determined according to the engine room layout and the main tank volume is determined according to the cruising range;

[0017] S3: Determine the length of the main liquid tank according to the propulsion cabin, the connecting liquid tank and the engine cabin, and then determine the width and depth of the main liquid tank;

[0018] S4: Determine the main hull engine room area width based on the engine room width and the main liquid tank width;

[0019] S5: Determine the molded depth of the main hull engine room area based on the depth of the main liquid tank.

[0020] A welding method for the engine room of a clean fuel ship, wherein a liquid tank is enclosed in a main hull, the main hull floats the liquid tank as a whole into the liquid tank compartment, then welds a stern sealing plate, and finally welds a main deck, wherein the floating movement adopts a dock water injection, the liquid tank is floated on the water and towed into the liquid tank compartment, and then the dock is drained, and then the stern sealing plate and the main deck welding operations are completed.

[0021] The beneficial effects of the present invention are:

[0022] Compared with the prior art, the ship's engine room and its layout method proposed in the present invention solve the problem of numerous engine room equipment and chaotic layout, greatly reduce the main dimensions of the hull, reduce manufacturing costs and fuel consumption during navigation operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the engine room equipment layout (midship section);

[0024] Figure 2 This is a schematic diagram of the cabin layout (side diagram);

[0025] Figure 3 It is the general layout plan;

[0026] Figure 4 This is a schematic diagram of the tail sealing plate;

[0027] In the figure: 1 is the living building, 2 is the engine room, 3 is the cargo oil tank, 4 is the gray water tank, 5 is the ballast tank, 6 is the empty tank, 7 is the rotating rudder, 8 is the propulsion cabin, 21 is the diesel engine, 22 is the liquid tank, 23 is the chimney, 24 is the propulsion shaft, 25 is the air intake duct, 26 is the ceiling, 71 is the air duct opening, 72 is the rudder, and 73 is the rotating shaft. DETAILED DESCRIPTION

[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0029] like Figures 1 to 3 As shown, an engine room of a clean fuel ship proposed in an embodiment of the present invention includes an engine room 2, a liquid tank tank, a ballast tank 5, a gray water tank 4, an empty tank 6, a propulsion cabin 8, a living building control cabin, a diesel and oil engine 21, a propulsion system, a chimney 23, a liquid tank 22, and a rudder 72.

[0030] The diesel engine 21 is placed on the inner bottom of the main hull, and the diesel engine 21 is connected to the liquid tank 22 through the air inlet. The propulsion system includes a propulsion shaft 24 and a propeller. One end of the propulsion shaft 24 is connected to the diesel engine 21, and the other end is connected to the propeller. The chimney 23 extends from the engine exhaust port to the double bottom tank and is connected to the double bottom tank. The liquid tank 22 is H-shaped and is divided into a main liquid tank and a connecting liquid tank. The main liquid tanks are symmetrically distributed on both sides of the main hull and arranged around the engine room. The connecting liquid tanks are distributed above the propulsion shaft 24. The rudder 72 is arranged above the main deck and is located on the bow bulkhead at the rear.

[0031] The length direction of the diesel engine 21 is along the longitudinal direction of the main hull, and each cylinder of the diesel engine 21 is provided with an air inlet, which supplies liquid clean fuel through a total opening connected to the liquid tank 22. The air inlet is made of heat-insulating material and is fireproof and high-temperature resistant.

[0032] One end of the chimney 23 is connected to the total exhaust outlet of the diesel engine 21, and the other end is connected to the gray water tank 4 of the double bottom. The gray water tank 4 is divided into two parts, one part is located at the bottom of the engine room, and the other part is located at the bottom of the connecting liquid tank compartment. The gray water tank 4 at the bottom of the engine room is used for purifying the fuel gas, and the gray water tank 4 at the bottom of the connecting liquid tank is used for cooling the fuel gas. The other end of the chimney 23 extends to the gray water inside the gray water tank 4 and can ensure the normal discharge of smoke. The dividing bulkhead of the two parts of the gray water tank 4 has a large opening, which is enough to allow the smoke to pass completely. After passing through the gray water tank, the smoke enters the empty compartment at the rear and is discharged from the main hull. The empty compartment at the rear has large openings in the bow end wall and the rear end wall. The edge of the large opening is not more than 1.5 meters away from the edge of the empty compartment bulkhead, and is not less than 0.5 meters. The opening size of the rear end wall of the empty compartment is larger than the opening size of the bow end wall of the empty compartment. The chimney 23 guides the combustion exhaust gas into the gray water tank 4, and circulates it to the free liquid surface 4 under the propeller shaft 24, and then is discharged through the empty tank 6, wherein the purification and cooling of the exhaust gas are completed through the gray water tank 4, wherein the top deck of the cabin 2 has a large opening structure.

[0033] The boundary of the main liquid tank is not less than 400mm away from the main hull structure. The cross-section of the main liquid tank is square and has a large arc at the bilge of the hull. The liquid tank stores liquid clean fuel.

[0034] The engine room adopts an open roof 26 and is connected to the main hull through pillars. The top of the open roof 26 and the direction of the overlapping living building 1 are fully enclosed areas, and other directions are fully open areas. The open roof is made of flexible materials, and the bow is overlapped on the rudder 72.

[0035] The rudder 72 is made of lightweight material and has a rotating shaft at the center of the rudder 72. The rudder 72 rotates around the rotating shaft 73. The rotating shaft 73 is arranged on the bulkhead of the bow end of the stern. There is an air duct inside the rudder 72, and the air duct has a larger opening on the side along the wind direction and a smaller opening on the side along the main hull engine room. The smaller opening of the rudder 72 is located inside the opening area of ​​the main deck of the engine room.

[0036] The living building cabins are arranged on the upper part of the main deck of the main hull, the engine room and the liquid tank tank are arranged between the main deck and the inner bottom of the main hull, and the ballast tank 5 and the gray water tank 4 are arranged below the inner bottom of the main hull.

[0037] The engine room 2 and the propulsion room 8 are arranged in the middle of the ship. The propulsion room 8 is open. The liquid tank tanks are arranged on both sides of the engine room and the propulsion room 8 and extend to the entire tail area.

[0038] The height of the grey water tank 4 is not less than 1.5 meters, and the grey water tank 4 is arranged in the ship, and ballast tanks 5 are arranged on both sides of the grey water tank.

[0039] The empty cabin 6 is located between the living building 1 and the propulsion cabin 8, and is provided with large openings in the bow direction and the stern direction of the cabin for discharging the purified exhaust gas.

[0040] like Figure 4 As shown, the cross-sectional shape of the tank and the opening in the intermediate space are used to discharge the exhaust gas.

[0041] Embodiment 1 of the present invention further provides a method for arranging an engine room of a clean fuel ship, and the specific steps are as follows:

[0042] S1: Select the diesel engine model and propeller size according to the ship's speed requirements, then arrange the engine compartment according to the diesel engine and the propulsion compartment according to the propeller size;

[0043] S2: The size of the connecting tank is determined according to the engine room layout and the main tank volume is determined according to the cruising range;

[0044] S3: Determine the length of the main liquid tank according to the propulsion cabin, the connecting liquid tank and the engine cabin, and then determine the width and depth of the main liquid tank;

[0045] S4: Determine the main hull engine room area width based on the engine room width and the main liquid tank width;

[0046] S5: Determine the molded depth of the main hull engine room area based on the depth of the main liquid tank.

[0047] The liquid tank is enclosed in the main hull. The main hull floats the liquid tank as a whole to the liquid tank tank compartment, then welds the tail sealing plate, and finally welds the main deck;

[0048] The floating transfer method uses water to fill the dock, float the liquid tank on the water, and move it to the liquid tank compartment. The dock is then drained to complete the welding operation.

[0049] Embodiment 2 of the present invention: The method according to Embodiment 1 is specifically applied to the engine room layout of a clean fuel ship, the length of the stern (including the engine room) of the ship is 30m, the width of the ship is 28m, and the full load draft is 6m. The specific steps are as follows:

[0050] S1: Select the diesel engine model (main engine power 8000kw*1) and the maximum propeller diameter of 5m according to the ship speed requirements, then arrange the engine room according to the diesel engine and arrange the propulsion cabin according to the propeller size;

[0051] S2: According to the size of the connecting tanks arranged in the engine room, the main tank capacity is determined to be 4850m according to the cruising range. 3 ;

[0052] S3: Determine the length of the main liquid tank according to the propulsion cabin, the connecting liquid tank and the engine cabin, and then determine the width and depth of the main liquid tank;

[0053] S4: Determine the main hull engine room area width based on the engine room width and the main liquid tank width;

[0054] S5: Based on the depth of the main liquid tank, the molded depth of the main hull engine room area is determined to be 11.2m.

Claims

1. An engine room of a clean fuel ship, including a diesel engine, a propulsion system, a chimney, a liquid tank, and a rudder, characterized in that: The diesel engine is placed on the inner bottom of the main hull, and the diesel engine is connected to the liquid tank through an air inlet. The propulsion system includes a propulsion shaft and a propeller. One end of the propulsion shaft is connected to the diesel engine, and the other end is connected to the propeller. The chimney extends from the exhaust port of the diesel engine to the double bottom tank and is connected to the double bottom tank. The liquid tank is H-shaped and is divided into a main liquid tank and a connecting liquid tank. The main liquid tanks are symmetrically distributed on both sides of the main hull and arranged around the engine room. The connecting liquid tanks are distributed above the propulsion shaft. The rudder is arranged above the main deck and is located on the bow bulkhead at the rear of the engine room.

2. The engine room of the clean fuel ship according to claim 1, characterized in that: The length direction of the diesel engine is along the longitudinal direction of the main hull, and each cylinder of the diesel engine is provided with an air inlet, and the air inlet supplies liquid clean fuel through a main opening connected to the liquid tank. The air inlet is made of heat-insulating material and is fireproof and high-temperature resistant.

3. The engine room of the clean fuel ship according to claim 1, characterized in that: One end of the chimney pipe is connected to the main exhaust outlet of the diesel engine, and the other end is connected to the gray water tank of the double bottom. The gray water tank is divided into two parts, one part is located at the bottom of the cabin, and the other part is located at the bottom of the connecting liquid tank compartment. The gray water tank at the bottom of the cabin is used for purifying the fuel exhaust gas, and the gray water tank at the bottom of the connecting liquid tank is used for cooling the fuel exhaust gas. The other end of the chimney extends to the inside of the gray water in the gray water tank and can ensure the normal discharge of smoke. The dividing bulkhead of the two parts of the gray water tank has a large opening, which is enough to allow the smoke to pass completely. After passing through the gray water tank, the smoke enters the empty compartment at the rear and is discharged from the main hull. The empty compartment at the rear has large openings in the bow end wall and the tail end wall. The edge of the large opening is not more than 1.5 meters away from the edge of the empty compartment bulkhead, and is not less than 0.5 meters. The opening size of the tail end wall of the empty compartment is larger than the opening size of the bow end wall of the empty compartment.

4. The engine room of the clean fuel ship according to claim 1, characterized in that: The boundary of the main liquid tank is not less than 400 mm away from the main hull structure, the cross section of the main liquid tank is square, and the liquid tank has a large arc near the bilge area of ​​the hull, and the liquid tank stores liquid clean fuel.

5. The engine room of the clean fuel ship according to claim 1, characterized in that: The engine room adopts an open roof and is connected to the main hull through pillars. The top of the open roof and the direction of the overlapping living building are fully enclosed areas, and other directions are fully open areas. The open roof adopts flexible materials, and the bow is overlapped on the rudder.

6. The engine room of the clean fuel ship according to claim 1, characterized in that: The rudder is made of lightweight material, and has a rotating shaft at the center of the rudder. The rudder rotates around the rotating shaft, and the rotating shaft is arranged on the stern bow bulkhead. There is an air duct inside the rudder, and the air duct has a large opening on the side along the wind direction and a small opening on the side along the main hull engine room. The small opening of the rudder is located inside the opening area of ​​the main deck of the engine room.

7. The engine room of the clean fuel ship according to claim 1, characterized in that: It also includes an engine room, a liquid tank tank, a ballast tank, a gray water tank, an empty tank, a propulsion compartment, and a living building control compartment. The living building control compartment is arranged on the upper part of the main deck of the main hull, the engine room and the liquid tank tank are arranged between the main deck and the inner bottom of the main hull, and the ballast tank and the gray water tank are arranged below the inner bottom of the main hull; the engine room and the propulsion compartment are arranged in the middle of the ship, the propulsion compartment is open, the liquid tank tanks are arranged on both sides of the engine room and the propeller compartment, and extend to the entire tail area.

8. The engine room of the clean fuel ship according to claim 7, characterized in that: The height of the gray water tank is not less than 1.5 meters, and the gray water tank is arranged in the ship, and ballast water tanks are arranged on both sides of the gray water tank; the empty cabin is located between the living building and the propulsion cabin, and large openings are provided in the bow and stern directions of the cabin.

9. A method for arranging the engine room of a clean fuel ship, characterized in that: The specific steps are: S1: Select the diesel engine model and propeller size according to the ship's speed requirements, then arrange the engine room according to the diesel engine and the propulsion room according to the propeller size; S2: The size of the connecting tank is determined according to the engine room layout and the main tank volume is determined according to the cruising range; S3: Determine the length of the main liquid tank according to the propulsion cabin, the connecting liquid tank and the engine cabin, and then determine the width and depth of the main liquid tank; S4: Determine the main hull engine room area width based on the engine room width and the main liquid tank width; S5: Determine the molded depth of the main hull engine room area based on the depth of the main liquid tank.

10. A welding method for the engine room of a clean fuel ship, characterized in that: The liquid tank is enclosed in the main hull. The main hull floats the liquid tank as a whole into the liquid tank compartment and then welds the tail seal plate and finally the main deck. The floating movement adopts a method of filling the dock with water, floating the liquid tank on the water and towing it into the liquid tank compartment, then draining the dock, and then completing the welding of the tail seal plate and the main deck.

Images