CN105667726A - High loading capacity, multi-working conditions, environment-friendly wind power installation ship and its working method - Google Patents

Abstract

A high-load, multi-operating-condition, environmentally friendly wind power installation vessel and its working method belong to the technical field of marine transportation and marine engineering equipment. The installation vessel includes a working deck, a loading deck, a main crane, an auxiliary crane, a rotary propeller, a bulbous bow thruster, a streamlined superstructure, pile legs, a cabin area and a single-point mooring equipment. The installation vessel horizontally places the thick tower frame and the thin tower frame of the wind turbine on the loading deck, and the wind blades and the wind turbine cabin are placed on the working deck, which can carry more wind turbines and improve stability at the same time; the main crane and the auxiliary crane are used in combination, and the thick tower frame and the thin tower frame of the wind turbine can be hoisted while assembling the wind blades and the wind turbine cabin, and the installation efficiency is high; the auxiliary diesel fuel tank inside the installation vessel and the method of connecting with the installed wind turbine through a cable make the installation vessel more green and environmentally friendly; the installation vessel can complete the installation in floating and standing conditions at the same time, and can adapt to the installation work in sea areas with different water depths.

Description

High loading capacity, multi-working conditions, environment-friendly wind power installation ship and its working method

technical field

The invention relates to a high-loading, multi-working-condition, environment-friendly wind power installation ship and a working method thereof, which belong to the technical field of marine transportation and marine engineering equipment.

Background technique

With the advancement of offshore wind power installation projects, in order to make effective and full use of offshore green resource wind energy, a multifunctional ship for offshore wind turbine installation has also been born. The first generation of "installation vessels" was a combined fleet of offshore barges, crane vessels and tugboats to complete the corresponding tasks. The current third-generation wind power installation ship integrates self-elevating capacity, transportation capacity and lifting capacity, which is greatly improved compared with the previous installation ship. However, it is largely limited by many factors such as low depth of installation water, single working conditions, low installation efficiency and low transportation efficiency. At the same time, the energy consumption and environmental pollution during its transportation and installation also make it run counter to the purpose of developing and utilizing offshore wind power.

Under this background, the present invention has developed a high-loading, multi-working-condition, environment-friendly wind power installation ship. Compared with the conventional third-generation wind power installation ship of the same size, this wind power installation ship can carry more sets of offshore power generation wind turbines, can be suitable for installation work in various water depths under various working conditions, and has the advantages of being more environmentally friendly. At the same time, its special arrangement method for the wind turbine lowers the center of gravity and improves stability; the main crane on one side increases the scope of single positioning work, and the auxiliary crane on the other side performs installation work on the main crane. Under the new layout method, the spare working deck space is fully utilized to carry out the assembly work of the blades and hubs of the fan. The wind power installation ship can adapt to the installation work under various working conditions. Based on the shortcomings existing in the past, great improvements and innovations have been made. It is an economical, efficient and environmentally friendly wind power installation ship.

Contents of the invention

The invention provides a high-loading, multi-working-condition, environment-friendly wind power installation ship and its working method. The wind power installation ship fully considers the operation capability under different water depths, improves the transportation capacity and work efficiency of a single sea trip, and is environmentally friendly. It has the advantages of novel layout, high installation efficiency, energy saving and emission reduction, etc., and has commercial value.

The technical solution adopted in the present invention is: a high-loading, multi-working-condition, environment-friendly wind power installation ship, which includes a working deck, a main crane, an auxiliary crane, a rotary thruster, a bulbous bow thruster, and a streamlined upper deck Buildings, lifeboats, cabin areas and single point moorings, which also includes loading decks, legs, leg lifting areas, blade deployment conveyors, jacking mechanisms and tower conveyors, said working deck being non-continuous The structure is located on the side with a lifting door, and the wind blades are arranged on the working deck. The conveyor belt and the fan cabin are arranged. The leg lifting area at the stern and the leg lifting area at the bow are respectively arranged with a main crane and an auxiliary crane. There is a jacking mechanism located on the loading deck below the lifting door. The fan blade distribution conveyor belt is symmetrically distributed on both sides of the hull along the center line of the ship, and a plurality of fan blades are placed horizontally on it. The fan cabin is placed upright in a streamlined shape. Behind the superstructure; the loading deck is a continuous structure, on which a jacking mechanism and a tower conveyor belt are arranged, and the tower conveyor belt extends horizontally from one side to the other side, and the thick tower of the fan and the wind turbine are vertically placed on it. Thin fan tower; the legs are in the form of trusses, and the cabin area is equipped with ballast water tanks, control cabins, fresh water tanks, diesel fuel tanks, auxiliary diesel fuel tanks, thruster rooms, equipment cabins and pressure transformation rooms , the intelligent load adjustment instrument is arranged in the control cabin, the LNG liquid tank is arranged in the auxiliary diesel fuel tank, the propeller room is arranged one at the bow and one at the stern, the rotary propeller is arranged at the stern, and the bulbous bow side is arranged at the bow pusher.

A working method of a high-capacity, multi-working-condition, environment-friendly wind power installation ship:

(a) The first working state: first empty the ballast water in the ballast water tank, put the legs on the seabed, lift the hull above the water surface, and the auxiliary crane starts to assemble the blades and the fan cabin, and at the same time, the jacking mechanism Send the wind turbine thick tower and wind turbine thin tower to the working deck through the lifting door, and the main crane starts to install the wind turbine thick tower and wind turbine thin tower in the designated place, and finally installs the first part composed of the wind blade and the wind cabin. On the wind turbine thin tower;

(b) The second working state: firstly, the ballast water tank is loaded with an appropriate amount of ballast water, and the legs are retracted so that the hull floats at the specified draft, the single point mooring equipment is connected to the column turntable, and the auxiliary crane starts Assemble the fan blades and the fan cabin, and at the same time, the jacking mechanism sends the thick fan tower and the thin fan tower to the working deck through the lifting door. The main crane starts to install the thick fan tower and the fine The head composed of blades and fan cabins is installed on the thin tower of the fan. Every time the crane works, the intelligent load adjustment device adjusts the ballast water in the ballast water tank according to the floating state of the hull.

The beneficial effects of the present invention are: this high-loading, multi-working-condition, environment-friendly wind power installation ship mainly includes a working deck, a loading deck, a main crane, an auxiliary crane, a rotary thruster, a bulbous bow thruster, a streamlined Superstructure, legs, hold areas and single point mooring. The installation ship arranges the wind turbine thick tower and the wind turbine thin tower horizontally on the loading deck, and the wind blades and the wind cabin are arranged on the working deck, which can carry more wind turbines and improve the stability at the same time; its main crane and auxiliary The crane is used together to complete the hoisting of the thick tower and the thin tower of the fan while assembling the blades and the fan cabin, and the installation efficiency is high; the auxiliary diesel fuel tank inside the ship is installed and the installed fan is connected with the cable. The method of connecting makes the installation ship more green and environmentally friendly; the installation ship can complete the installation under the working conditions of floating and standing at the same time, and can adapt to the installation work in sea areas with different water depths.

Description of drawings

Figure 1 is a front view of a high-loading, multi-working-condition, environment-friendly wind power installation ship.

Figure 2 is a top view of a high-loading, multi-working-condition, environment-friendly wind power installation ship.

Fig. 3 is a left view of a high-loading, multi-working-condition, environment-friendly wind power installation ship.

Fig. 4 is a sectional view along line A-A in Fig. 1 .

Fig. 5 is a B-B sectional view in Fig. 1 .

Fig. 6 is a C-C sectional view in Fig. 3 .

Fig. 7 is a diagram of the first working state of a high-loading, multi-working-condition, environment-friendly wind power installation ship.

Fig. 8 is a diagram of the second working state of a high-loading, multi-working-condition, environment-friendly wind power installation ship.

Fig. 9 is a mooring diagram of the second working state of a high-loading, multi-working-condition, environment-friendly wind power installation ship.

Fig. 10 is a schematic diagram of the workflow of a high-loading, multi-working-condition, environment-friendly wind power installation ship.

Fig. 11 is an operation flowchart of a high-loading, multi-working-condition, environment-friendly wind power installation ship.

In the figure: 1. Working deck, 1a, blade laying conveyor belt, 1b, lift gate, 2, loading deck, 2a, jacking mechanism, 2b, tower conveyor belt, 3, main crane, 4, auxiliary crane , 5. Rotary thruster, 6. Bulbous bow thruster, 7. Streamlined superstructure, 7a, Helideck, 7b, Lifeboat ejection door, 7c, Lifeboat, 8. Spud legs, 9. Leg lifting area, 10. Single point mooring equipment, 11. Wind blades, 12. Fan cabin, 13. Thick fan tower, 14. Thin fan tower, 15. Cabin area, 15a, Ballast water tank, 15b, Control cabin, 15c , fresh water tank, 15d, diesel fuel tank, 15e, auxiliary diesel fuel tank, 15f, thruster room, 15g, equipment compartment, 15h, intelligent load adjustment instrument, 15i, LNG liquid tank, 15j, transformer room, 16, completed Fan installed, 17, cables.

Specific implementation method

The structure of the present invention will be further described below with reference to the accompanying drawings.

Figures 1, 2, and 3 show the layout of high-loading, multi-working-condition, and environment-friendly wind power installation ships. The installation ship mainly includes working deck 1, loading deck 2, main crane 3, auxiliary crane 4, rotary thruster 5, bulbous bow thruster 6, streamlined superstructure 7, pile legs 8, cabin area 15 and single Point mooring 10. The working deck 1 is used as a place for wind turbine assembly and hoisting, on which is arranged the main crane 3 for connecting the wind turbine thick tower 13 and the wind turbine thin tower 14 to the existing local wind turbine base, and is also equipped with auxiliary cranes. The machine 4 is used to assemble the wind blades 11 and the fan cabin 12 arranged on the wind blade distribution conveyor belt 1a on the deck. The two cranes work at the same time to improve the installation efficiency. Under the floating condition, the single point mooring device 10 is hinged with the outside, Cooperate with the rotary propeller 5 and the bulbous bow thruster 6 for dynamic positioning, which ensures the stability of the installation; the legs 8 are in the form of trusses, and in the standing condition, the legs 8 are lowered to lift the hull above the water surface. Under floating and sailing conditions, the legs 8 are retracted; the streamlined superstructure 7 is located at the bow, which is a streamlined structure, with a helideck 7a on the top floor, lifeboat ejection doors 7b on both sides, and lifeboats 7c inside the doors. In a safe situation, the ejection door is closed, the building is streamlined and complete, and the navigation resistance is reduced.

Fig. 4 shows the specific form of the loading deck 2, the loading deck 2 is a strong deck, the wind turbine thick tower 13 and the wind turbine thin tower 14 are loaded, and they are horizontally placed on the tower conveyor belt 2b for transmission, The center of gravity is lowered and the stability is improved. Under specific working conditions, the lifting door 1b is opened, and the wind turbine thick tower 13 and the wind turbine lower frame 14 are simultaneously transferred to the working deck 1 through the jacking mechanism 2a, and the main crane 3 continues to complete the corresponding working conditions. A leg lifting area 9 vertically penetrating through the entire hull is also arranged on the deck, and legs 8 are arranged in the lifting area.

Figure 5 shows the specific form of the cabin area 15, a plurality of ballast water tanks 15a are arranged around the outermost layer of the cabin area 15 for adjusting the floating state, and a thruster chamber 15f is arranged at the stern and the bow respectively for arranging The rotary thruster 5 and the bulbous bow thruster 6, a control cabin 15b is arranged on the port side near the bow in this area, and an intelligent load adjustment instrument 15h is arranged in it, which is used to adjust the pressure in time when variable loads are generated under floating conditions. Carrying water for floating state correction, a fresh water tank 15c is arranged on the starboard side near the bow in this area, which is used to store the daily fresh water resources and drinking water resources of the whole ship, and a diesel fuel tank 15d is arranged on the port side of the middle part of the ship. It is used to store the main fuel resources needed for the voyage. This area is located in the middle of the ship. An auxiliary diesel fuel tank 15e is arranged on the starboard side, and an LNG liquid tank 15i is arranged in it, which is used to store clean energy liquid LNG as an auxiliary fuel. This area is located in the middle of the ship. A plurality of equipment compartments 15g are arranged for arranging related equipment such as hosts and power distribution instruments.

Figure 6 shows the cross-section of the streamlined superstructure 7, which is streamlined and has two sets of lifeboats 7c inside.

Figure 7 shows the first working state diagram of a high-loading, multi-working-condition, and environmentally-friendly wind power installation ship. When the water depth is relatively shallow, the legs 8 are completely lowered to stand on the seabed, and the hull is lifted to a certain height above the water surface. The main crane 3. Stretch out the side of the hull to hoist the thick fan tower 13 and the thin fan tower 14 and install them on the existing fan base in turn, and finally lift the head composed of the fan blades 11 and the fan cabin 12 and install it on the fan base. On the thin tower frame 14, the work is completed; before installing the next blower fan, the hull is connected to the installed blower fan 16 with the cable 17, and the electric energy delivered is used for part of the domestic electricity consumption in the installation process.

Figure 8 shows the second working state diagram of a high-loading, multi-working-condition, environment-friendly wind power installation ship. When the water depth is relatively deep, the legs 8 are completely retracted into the hull, the hull floats on the water surface, and the main crane 3 protrudes from the side of the hull. The wind turbine thick tower 13 and the wind turbine thin tower 14 are hoisted and installed on the existing wind turbine base in sequence, and finally the head composed of the wind blade 11 and the wind turbine cabin 12 is hoisted and installed on the wind turbine thin tower 14 , to complete the work; before installing the next blower fan, the hull is connected to the installed blower fan 16 with the cable 17, and the electric energy delivered is used for part of the domestic electricity consumption in the installation process.

Fig. 9 shows the mooring diagram of the second working state of a high-loading, multi-working condition, environment-friendly wind power installation ship. When the hull floats on the water surface, the single point mooring device 10 is connected with the column turntable 18 to ensure the stability of the hull. The basic positioning, combined with the power-assisted positioning of the rotary propeller 5 and the bulbous bow thruster 6, enables the hull to complete the work stably.

Figure 10 shows the energy supply system of a high-loading, multi-working-condition, environment-friendly wind power installation ship. Energy supply method: use the diesel fuel tank 15d and the LNG liquid tank 15i to form a dual-fuel energy supply system to provide fuel for the main engine, and the main engine generates electricity and provides the energy required by the whole ship; after the fan is installed, the hull and the installed fan 16 pass through The cables 17 are connected to each other, and the electric energy generated by the installed fan 16 is sent to the transformer room 15j, where it is converted into usable electric energy for the hull, and auxiliary equipment and domestic electricity are provided.

Fig. 11 shows the operation flow chart of a high-loading, multi-working-condition, environment-friendly wind power installation ship. During the working process of the above-mentioned wind power installation ship, it mainly includes the following two working states and a deck parallel working method:

(a) The first working state under shallow water: first empty the ballast water in the ballast water tank 15a, put the legs 8 on the seabed, and raise the hull above the water surface;

(b) The second working state under deep water: firstly, a certain amount of ballast water is loaded in the ballast water tank 15a, the legs 8 are retracted, and the hull is floated at the designated draft, and the single point mooring equipment 10 and the column turntable 18 connected, the intelligent load adjustment instrument 15h adjusts the ballast water in the ballast water tank 15a according to the floating state of the hull;

Deck parallel working method: when the hull is stable in the above two working states, the auxiliary crane 4 starts to assemble the fan blades 11 and the fan cabin 12, and the jacking mechanism 2a lifts the thick fan tower 13 and the thin fan tower 14 through the lifting The top of the door 1b is sent to the working deck 1, and the main crane 3 starts to install the thick tower 13 and the thin tower 14 at the designated place in sequence, and finally installs the head composed of the blades 11 and the cabin 12 on the thin tower 14 on.

Claims (2)

1. a high useful load, multi-state, environment-friendly type wind turbine installation vessel, it includes spar deck (1), main crane (3), auxiliary loop wheel machine (4), swinging propeller (5), bulb bow Side Thrusters (6), streamlining (7), lifeboat (7c), cabin district (15) and single point mooring's equipment (10), it is characterized in that: further comprising loading deck (2), spud leg (8), spud leg lifting district (9), fan blade lays transmission band (1a), lifting body (2a) and pylon transmission band (2b), described spar deck (1) is discontinuous structure, it is positioned at topside and offers overhead door (1b), spar deck (1) is provided with fan blade and lays transmission band (1a) and blower fan cabin (12), spud leg lifting district (9) of spud leg lifting district (9) and stem that are positioned at stern is respectively arranged main crane (3) and auxiliary loop wheel machine (4), the lifting body (2a) being connected with being positioned on loading deck (2) of described overhead door (1b), described fan blade lays transmission band (1a) and is symmetrically distributed in hull two side of a ship with ship center line, laterally disposed multiple fan blades (11) on it, after described blower fan cabin (12) is uprightly placed on streamlining (7), described loading deck (2) is continuous structure, it is provided with lifting body (2a), pylon transmission band (2b), described pylon transmission band (2b) laterally extends to another side of a ship from a side of a ship, the thick pylon of placed longitudinally blower fan (13) and the thin pylon of blower fan (14) on it, described spud leg (8) is truss form, it is provided with ballast tank (15a) in described cabin district (15), control cabinet (15b), fresh-water tank (15c), diesel fuel cabin (15d), auxiliary diesel fuel compartment (15e), propeller room (15f), equipment compartment (15g) and transformation room (15j), arrange in described control cabinet (15b) that intelligence adjusts load instrument (15h), LNG flow container (15i) is arranged in described auxiliary diesel fuel compartment (15e), described propeller room (15f) respectively arranges one at bow and stern, stern arranges swinging propeller (5), bow arranges bulb bow Side Thrusters (6).

2. the method for work of a kind of high useful load according to claim 1, multi-state, environment-friendly type wind turbine installation vessel, is characterized in that:

(a) the first duty: first make the interior ballast water emptying of ballast tank (15a), spud leg (8) is put to seabed, hull is made to be raised to more than the water surface, auxiliary loop wheel machine (4) starts to assemble fan blade (11) and blower fan cabin (12), thick for blower fan pylon (13) and the thin pylon of blower fan (14) are delivered to spar deck (1) by overhead door (1b) top by lifting body (2a) simultaneously, main crane (3) starts thick for blower fan pylon (13) and the thin pylon of blower fan (14) are sequentially arranged at appointed place, finally the stem that fan blade (11) and blower fan cabin (12) combine is arranged on the thin pylon of blower fan (14),

(b) the second duty: first make to be mounted with appropriate ballast water in ballast tank (15a), spud leg (8) is regained, hull is made to swim in appointment drinking water, single point mooring's equipment (10) is connected with column turntable (18), auxiliary loop wheel machine (4) starts to assemble fan blade (11) and blower fan cabin (12), thick for blower fan pylon (13) and the thin pylon of blower fan (14) are delivered to spar deck (1) by overhead door (1b) top by lifting body (2a) simultaneously, main crane (3) starts thick for blower fan pylon (13) and the thin pylon of blower fan (14) are sequentially arranged at appointed place, finally the stem that fan blade (11) and blower fan cabin (12) combine is arranged on the thin pylon of blower fan (14), during each crane (3) work, intelligence adjusts load instrument (15h) to regulate the ballast water in ballast tank (15a) according to hull floading condition.