WO2021253426A1 - Navire apte à conduire un traitement de produit pétrolier en mer - Google Patents

Navire apte à conduire un traitement de produit pétrolier en mer Download PDF

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Publication number
WO2021253426A1
WO2021253426A1 PCT/CN2020/097182 CN2020097182W WO2021253426A1 WO 2021253426 A1 WO2021253426 A1 WO 2021253426A1 CN 2020097182 W CN2020097182 W CN 2020097182W WO 2021253426 A1 WO2021253426 A1 WO 2021253426A1
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WIPO (PCT)
Prior art keywords
oil
module
ship
hull
crude oil
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PCT/CN2020/097182
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English (en)
Chinese (zh)
Inventor
门存贵
于斌
付会娟
高建洛
马之清
张尚文
路来光
吕联
高鸿博
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敏云信息科技有限公司
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Publication of WO2021253426A1 publication Critical patent/WO2021253426A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B11/00—Interior subdivision of hulls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B11/00—Interior subdivision of hulls
    • B63B11/04—Constructional features of bunkers, e.g. structural fuel tanks, or ballast tanks, e.g. with elastic walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B3/48—Decks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/448—Floating hydrocarbon production vessels, e.g. Floating Production Storage and Offloading vessels [FPSO]

Definitions

  • the invention relates to the technical field of marine engineering and petroleum refining equipment, in particular to a ship for processing oil products at sea.
  • the existing refinery is used to produce fuel oil with a sulfur content of less than 0.5%, it will greatly affect the production structure of the existing refinery. The production of other products, and it will take time to upgrade existing equipment and supporting logistics facilities, which will result in a tight supply of marine fuel oil with a sulfur content of less than 0.5% and an increase in prices.
  • FPSO floating Production Storage and Offloading
  • FPSO floating production storage and offloading equipment
  • FPSO floating production storage and offloading equipment
  • FPSO is a comprehensive large-scale offshore oil production base that separates oil and gas from the extracted oil, treats oily sewage, power generation, heat supply, storage and transportation of crude oil products, and integrates residential and production command systems.
  • FPSO has the advantages of strong wind and wave resistance, wide range of adaptable water depths, large oil storage and unloading capabilities, as well as transferability and repeated use. It is widely suitable for deep seas, shallow seas and marginal oil fields far away from the coast. Development has become the mainstream production method for offshore oil and gas field development.
  • FPSO The function of FPSO is to carry out simple processing of crude oil and product storage and transportation.
  • the oil refining equipment is usually built in a fixed land area, covering a large area, and it is necessary to transport offshore crude oil to the inland and process it through refining and chemical equipment. After that, the refined oil is transported to the sea for use by ships.
  • Such turnover not only increases the transportation cost, but also has many unsafe factors in the transportation process. Therefore, there is an urgent need for a marine fuel product that can produce marine fuel oil that meets the requirements of the new standard. Ships that produce and process oil at sea.
  • the technical problem to be solved by the present invention is to overcome the defects in the prior art and provide a ship for processing oil products at sea that can increase the flexibility of production, reduce the land occupation, and reduce the transportation cost of crude oil and refined oil.
  • a ship for oil processing at sea includes a main hull structure, the main hull structure includes a hull main deck, an upper area of the main deck, and a lower area of the main deck, and the upper area of the main deck includes Crude oil processing device, the crude oil processing device is fixedly connected to the top of the main deck of the hull through a supporting platform; the lower area of the main deck includes several functional cabins, and the functional cabins are divided into different cabins by transverse and longitudinal bulkheads, and The functional cabin is arranged below the main deck of the ship, and the functional cabin includes a crude oil tank, a product oil tank, and a ballast tank; the crude oil tank is used to receive crude oil pumped from a crude oil storage ship to be processed; the refined oil
  • the tank is set as a multi-component product oil storage tank to store processed product oil, including product fuel tanks, diesel tanks, gasoline tanks and naphtha tanks; the ballast tanks are used to stow the hull and the finished products During the
  • the crude oil processing device includes a crude oil conveying manifold, a header area, an air separation module, an atmospheric tower and auxiliary equipment modules, a furnace area module & an overhead gas module, and the header area is arranged on the main hull.
  • the central position of the deck is arranged longitudinally along the length of the main structure of the hull, and the air separation module, atmospheric tower and auxiliary equipment module, furnace area module & constant roof gas module are respectively arranged on the left and right sides of the header area
  • the crude oil transportation manifold is located at the midship of the main structure of the hull, and is arranged horizontally and centrally, and is arranged at the port and starboard sides of the middle of the hull.
  • the crude oil is injected into the place through the oil pipeline of the crude oil transportation manifold.
  • a product oil export and unloading device is installed in the bow of the ship, the product oil export and unload device is used for remote product oil transportation and unloading operations, and the product oil stored in the product oil tank passes through the oil pipeline in the header area It is connected to the product oil export and unloading device;
  • the crude oil to be processed stored in the crude oil tank is connected to the furnace area module & constant top gas module through the oil pipeline of the header area, and the furnace area module & constant top gas module, air pressure
  • the air separation module, the atmospheric tower and the auxiliary equipment module are sequentially connected through the oil pipeline, and the atmospheric tower and the auxiliary equipment module are connected with the product oil tank through the oil pipeline of the header area.
  • the upper area of the main deck further includes a power generation module, a power distribution module, and an electrical room module.
  • the power generation module, power distribution module and electrical room module are respectively arranged on the left and right sides of the header area, and are arranged close to One end of the stern;
  • the power generation module is set as the ship's main power source, including three generator sets and an emergency generator as the ship's emergency power source;
  • the power distribution module is equipped with a medium voltage and low voltage switchboard and a motor control center ,
  • the electrical room module includes generator sets, substation equipment, transformer equipment, used to provide power supply services for processing equipment.
  • the upper area of the main deck further includes a sewage treatment module, the sewage treatment module is arranged near the midship of the ship, and is arranged on one side of the header area; the sewage treatment module is used to remove the black gray
  • the water is converted into reclaimed water and discharged directly, and the domestic sewage is collected and processed. After the treated water reaches the domestic miscellaneous water standard, it enters the reclaimed water tank and is used to flush the toilet.
  • the upper area of the main deck further includes a water production and treatment module, the water production and treatment module is arranged near the midship and on one side of the header area; the water production and treatment module is set as reverse osmosis -Type water generator, the water production processing module produces enough desalinated water for the circulating water plant, denitration process part and boiler of the crude oil processing device.
  • a water production and treatment module is arranged near the midship and on one side of the header area; the water production and treatment module is set as reverse osmosis -Type water generator, the water production processing module produces enough desalinated water for the circulating water plant, denitration process part and boiler of the crude oil processing device.
  • the upper area of the main deck further includes a torch tower and a living area cabin module, the torch tower is arranged at the bow of the ship, and the torch tower is set as a truss structure; the living area cabin module is arranged at the stern of the ship.
  • the cabin module of the living area includes a number of cabins with different functions, and the cabins include an analysis laboratory, a centralized control room, and daily food and accommodation for staff.
  • a buttress structure is provided on the main deck of the hull, the buttress structure adopts a plate-girder combination, and its cross-section is a cross-shaped, and the buttress structure includes a supporting top plate, a vertical plate and a side plate, The bottom ends of the vertical plates and side plates are welded and fixed to the main deck of the hull, the top ends of the vertical plates and side plates are welded to the supporting top plate, the vertical plates are arranged along the width direction of the hull, and the side plates are along the hull The vertical plate and the side plate are enclosed to form a trapezoid with a wide bottom and a narrow top; the supporting platform adopts the form of a truss structure, and the supporting platform includes a platform truss main structure, a vertical support column and an oblique The main structure of the platform truss is welded by cross-shaped "I" steel, and the bottom end of the main structure of the platform truss is welded to the vertical support column and the diagonal support
  • a multi-point mooring system is provided at the fore and aft of the main deck of the hull, and the mooring systems are respectively arranged on the port and port sides.
  • the mooring system includes a mooring winch, a fairlead, an anchor chain and an anchor, and the anchor is buried and fixed. Below the surface of the underwater mud, the mooring winch is fixed on the main deck of the hull, the fairlead is fixed on the side of the hull, and each anchor chain is connected with the catenary through the mooring winch and the fairlead.
  • the anchors are connected separately.
  • wharf mooring equipment is provided on the main deck of the hull, and the wharf mooring equipment is arranged on the ship's fore and aft sides, respectively, and the wharf mooring equipment is arranged at a position away from the mooring system and close to the middle of the hull.
  • the dock mooring equipment includes a mooring winch, a cable, a bollard and a fairlead. The rope is wound and stored on the mooring winch, and the cable is connected to the fixed foundation on the dock after passing through the mooring pile and the fairlead.
  • the ship for oil processing at sea provided by the present invention creatively builds the oil processing plant on land on the ocean tanker, and the public works are self-contained on the ship, which increases the flexibility of production and reduces the area occupied , Which reduces the transportation cost of crude oil and refined oil.
  • the ship type provided by the present invention for processing oil products at sea is mature and reliable, adopts a safe and reliable ship type design, has excellent ship performance indicators, reliable main body structure, strong safety, and convenient operation.
  • the ship provided by the present invention for processing oil products at sea has complete functions, and can realize crude oil transportation, refined fuel oil storage, and export and unloading operations during crude oil production and processing.
  • the materials of the ship for oil processing at sea provided by the present invention are easy to obtain, convenient to construct, flexibly expandable, and occupy a small deck area; the structure is simple, easy to construct, and can effectively transmit the upper load to the main engine On the hull.
  • the main deck structure is more concise and effective, saves materials, and avoids the complicated transmission of the upper load.
  • the functional cabins are integrated into the living area, leaving a larger deck area for the layout of functional modules.
  • the diversity of refined oil products provides a guarantee for the diversity of refined oil sales channels in the future.
  • Ships can convert sewage into reclaimed water to achieve zero discharge of sewage, and the system meets the requirements of zero discharge sea areas.
  • the production facilities are safe and reliable. Due to the function of fire alarm and combustible gas detection and alarm, initial fire and dangerous gases can be detected in time.
  • the power distribution is optimized and centralized, and there are fewer types of power systems, which saves construction costs and facilitates later power system maintenance.
  • Figure 1 is a front view of a ship for oil processing at sea provided by the present invention
  • Figure 2 is a top view of a ship for oil processing at sea shown in Figure 1;
  • Figure 3 is a schematic diagram of the process flow of a crude oil processing unit
  • Figure 4 is a transverse cross-sectional view of a ship for oil processing at sea shown in Figure 1;
  • Figure 5 is a schematic diagram of the design structure of the buttress structure
  • Figure 6 is an A-A sectional view of the buttress structure shown in Figure 5;
  • Figure 7 is a B-B sectional view of the buttress structure shown in Figure 5;
  • Figure 8 is a schematic diagram of the design structure of the supporting platform
  • Figure 9 is a left view of the supporting platform shown in Figure 8.
  • Figure 10 is a top view of the supporting platform shown in Figure 8.
  • a ship for processing oil products at sea includes a main hull structure 100.
  • the main hull structure 100 includes a main hull deck 101, an upper area of the main deck, and a lower area of the main deck.
  • the upper area of the main deck includes a crude oil processing device, which is fixedly connected to the top of the main deck of the hull through a supporting platform;
  • the lower area of the main deck includes several functional cabins, which are separated by transverse and longitudinal bulkheads Into different cabins, and the functional cabins are arranged below the main deck of the hull.
  • the functional cabins include crude oil tanks, product oil tanks and ballast tanks; the crude oil tanks are used to receive and store crude oil pumped by the storage ship to Processed crude oil; the product oil tank is set as a multi-component product oil storage tank to receive and store processed product oil, including product fuel tanks, diesel tanks, gasoline tanks and naphtha tanks; the ballast The cabins are used for the stowage of the hull, as well as the adjustment of the floating state of the hull in the process of product oil export and product oil processing.
  • a number of ballast tanks are arranged around the hull; the crude oil tank is processed with the crude oil through the oil pipeline
  • the device is in communication, and the crude oil processing device is in communication with the product oil tank through an oil pipeline.
  • Ballast tanks can be arranged around the hull. Three rows can be arranged according to the width of the hull. Five groups can be arranged in sequence according to the length of the hull. There are 15 storage tanks in total for the storage of crude oil and refined oil.
  • the crude oil to be processed stored in the crude oil tank is transported to the crude oil processing unit through the booster pump and oil pipeline.
  • the crude oil passes through the crude oil processing unit to produce low-sulfur marine fuel refined oil that meets the requirements of the new standard, and then the refined oil is transported to the finished product.
  • the ship is based on a large oil tanker storage hull and adopts a steel hull structure.
  • the crude oil processing device and corresponding auxiliary facilities are installed on the main deck of the hull to realize the production and processing capacity of low-sulfur marine fuel.
  • the invention creatively builds the oil processing plant on land on the ocean tanker, and the public works are self-contained on the ship, which increases the flexibility of production, reduces the land occupation, and reduces the transportation cost of crude oil and refined oil.
  • the crude oil processing device includes crude oil transportation manifold 56, Pipe area 51, air separation module 52, atmospheric tower and auxiliary equipment module 53, furnace area module & constant top gas module 54.
  • the header area 51 is set at the center of the main deck of the hull and along the length of the main structure of the hull.
  • the air separation module 52, the atmospheric tower and auxiliary equipment module 53, the furnace area module & the constant roof gas module 54 are respectively arranged on the left and right sides of the header area, and are arranged near the bow of the ship.
  • the crude oil transportation manifold 56 is arranged in the midship of the main structure of the hull, and is arranged horizontally and centrally, and is arranged at the middle and starboard sides of the hull.
  • the crude oil is injected into the crude oil tank through the oil pipeline of the crude oil transportation manifold 56.
  • the bow A refined oil exporting and unloading device 120 is provided.
  • the refined oil exporting and unloading device 120 is used for remote exporting and unloading of refined oil.
  • the export unloading device 120 is connected;
  • the crude oil to be processed stored in the crude oil tank is connected to the furnace area module & constant top gas module 54 through the oil pipeline of the header area 51, the furnace area module & constant top gas module 54, the air pressure air separation module 52 and the atmospheric tower And the auxiliary equipment modules 53 are connected successively through the oil pipeline, and the atmospheric tower and the auxiliary equipment modules 53 are connected with the product oil tank through the oil pipeline of the header area.
  • the crude oil transportation manifold 56 is installed in the midship of the main structure of the hull. It is arranged horizontally, which shortens the transmission length of the pipeline and simplifies the layout of the pipeline, and has complete functions. In the process of crude oil production and processing, the crude oil transportation manifold 56 is used. Realize crude oil transportation and loading operations.
  • a longitudinal passage can be arranged above the header area 51 to facilitate the passage of the crew on the ship and the maintenance and repair of the equipment.
  • the longitudinal passage is composed of detachable pedals.
  • a product oil export and unloading device 120 is installed at the bow of the ship, which is connected to a product oil storage tank through a header area to realize remote product oil export and unloading operations.
  • the crude oil processing device is mainly composed of atmospheric tower and auxiliary equipment module 53, furnace area and atmospheric top gas module 54, and air pressure air separation module 52.
  • the crude oil to be processed from the crude oil tank is lifted by the crude oil transfer pump to the furnace area and the overhead gas module 54 for heating, and is transferred to the atmospheric tower and auxiliary equipment module 53 after heat exchange by the air pressure air separation module 52, and then cooled by heat exchange
  • the crude oil a to be processed stored in the crude oil tank is transported to the raw material buffer tank 1 by the booster pump, and then boosted by the crude oil pump 2, and then passes through the crude oil-total oil heat exchanger IV3 in two ways.
  • Crude oil-constant top gas heat exchanger 4 crude oil-constant bottom oil heat exchanger I 5
  • crude oil-constant bottom oil heat exchanger II 6 and crude oil-constant bottom oil heat exchanger III 7 heat exchange to 220 °C ⁇ 250 °C and then enter
  • the crude oil is heated to 300°C to 350°C in the atmospheric furnace, and then enters the atmospheric column 9 for separation.
  • the rectification section of the atmospheric tower adopts a packed tower, and the stripping section adopts a plate tower.
  • the temperature at the top of the atmospheric tower is 105-155°C
  • the pressure is 20-70kpag
  • the temperature at the bottom of the tower is 270-300°C
  • the pressure is 50-100kpag.
  • Atmospheric tower top oil and gas are cooled to 40°C by crude oil-normal top gas heat exchanger, low temperature hot water-normal top gas heat exchanger 10 and constant top cooler 11, and then enter the constant top tower reflux tank 12 for oil, gas and water.
  • the constant top oil is pumped by the constant top oil pump 13 and divided into two parts, one part is returned to the top of the tower as reflux, and the other part is sent to the naphtha stabilization tower 14 as the naphtha c fraction.
  • Atmospheric sulphur-containing sewage is sent to the sour water stripping device through an atmospheric sewage pump 15, and the separated atmospheric i is used as the fuel for the atmospheric furnace.
  • the atmospheric bottom oil pump 21 pumps out the bottom oil of the atmospheric tower, and after heat exchange and cooling treatment, it is delivered as part of the fuel oil product to the storage room of the product oil tanker, and the other part is delivered to the steam boiler as fuel; preferably, the bottom of the atmospheric tower
  • the oil is pumped out by the constant bottom oil pump 21, it is divided into two routes and passed through the crude oil-normal bottom oil fourth heat exchanger 7 to exchange heat to 260°C, the light diesel oil stripping tower 17, the sour water stripping tower reboiler 22, and the The stable bottom reboiler 26 exchanges heat to 250°C, the crude oil-atmospheric oil third heat exchanger 6 exchanges heat to 151°C, and the crude oil-atmospheric oil second heat exchanger 5 exchanges heat to 95°C.
  • the first heat exchanger 3 of the crude oil-atmospheric oil exchanges heat to 75°C and the constant bottom oil cooler 24 is cooled to 40°C, and is transported as part of the fuel oil product to the storage room of the refined oil tanker, and the other part is used as fuel To the steam boiler.
  • the stabilized tower overhead gas is cooled to 40°C by the stabilized tower overhead cooler 27 and then enters the stabilized tower overhead reflux tank 28 for gas-liquid separation.
  • the separated liquid is boosted by the stabilizer reflux pump 29 and then returned to the naphtha stabilization tower 14.
  • the separated gas is transported to the atmospheric furnace 8 as fuel; the stabilized bottom naphtha at the bottom of the tower is boosted by the stabilized bottom pump 30, and the heat is exchanged to the bottom oil heat exchanger 25 through the above stabilized tower feed 67°C, the naphtha cooler 31 is cooled to 40°C and transported to the product oil tank storage room; preferably, the top temperature of the naphtha stabilization tower 14 is 50-70°C, more preferably 52°C, and the pressure is 400- 500kpa(g), more preferably 430kpa(g); the bottom temperature of the tower is 120-150°C, more preferably 135°C, the pressure is 450-550kpa(g), more preferably 480°C; the naphtha stabilization tower
  • the heat of 14 is provided by a stabilized bottom reboiler 26 provided at the bottom of the column.
  • the stabilized tower top gas g is cooled to 40° C. by the stabilized tower top cooler 27 and then enters the stabilized tower top reflux tank 28 for gas and liquid separation.
  • the liquid phase is boosted by the stabilized tower top reflux pump 29 and then sent back to the stabilized tower; the stabilized tower top gas g is sent to the atmospheric furnace as fuel gas.
  • the stabilized naphtha h at the bottom of the tower After being boosted by the stabilizer bottom pump 30, the stabilized naphtha h at the bottom of the tower enters the stabilizer feed-tower bottom oil heat exchanger and the naphtha cooler 31 to be cooled and sent to the cabin storage room.
  • the upper area of the main deck also includes a power generation module 55, a power distribution module, and an electrical room module 57.
  • the power generation module 55, power distribution module and electrical room module 57 are respectively arranged on the left and right sides of the header area 51 and are arranged At the end close to the stern of the ship; the power generation module 55 is set as the main power source of the ship, including three generator sets and one emergency generator as the ship's emergency power source;
  • the power distribution module is equipped with medium voltage and low voltage distribution boards and a motor control center to provide power for the ship system;
  • the electrical room module includes generator sets, substation equipment, and transformer equipment, which are used to supply power to processing equipment.
  • the upper area of the main deck also includes a sewage treatment module 58 which is located in Close to the midship, and set on one side of the header area 51;
  • the sewage treatment module 58 is equipped with sewage treatment equipment, sewage tanks, etc.
  • the sewage treatment module 58 is used to convert the black and gray water of the ship into reclaimed water for direct discharge, and to collect and treat domestic sewage.
  • the treated water reaches After the domestic miscellaneous water standard, enter the middle water tank to flush the toilet.
  • the oily sewage generated by the crude oil processing unit is purified by the sewage treatment module and then sent to the crude oil processing unit for reuse.
  • the upper area of the main deck further includes a water production and treatment module 59, which is arranged near the midship of the ship and on one side of the header area 51;
  • the water production and treatment module is set as a reverse osmosis water generator, and the water production and treatment module produces enough desalinated water for the circulating water plant, the denitration process part and the boiler of the crude oil processing device.
  • the reverse osmosis water generator can be used. A small amount of electricity can be used to produce a large amount of fresh water; the crude oil processing device and the water required by the ship's hull are all taken from seawater from the ship's hull. Boiler water.
  • the upper area of the main deck also includes a torch tower 60 and a living area 61.
  • the torch tower is located at the bow of the ship, and the torch tower is set as a truss structure; the torch system includes a truss structure, necessary gas delivery pipelines, burners, etc. .
  • the combustible gas generated during the crude oil processing of the upper module is transported to the top of the flare tower through the gas pipeline, and then discharged into the air after being ignited by the burner.
  • the living area cabin module 61 is arranged at the stern of the ship, and the living area cabin module 61 includes several cabins with different functions, and the cabins include an analysis laboratory, a centralized control room, and daily food and accommodation for staff.
  • the functional cabins are integrated into the living area, allowing a larger deck area to be used for the layout of other functional modules; and the torch tower 60 and the living area cabin module 61 are separately located in the bow and stern, which is conducive to dangerous areas and non-hazardous areas. The separation of zones improves overall safety.
  • a buttress structure 109 is provided on the main deck 101 of the ship hull. It includes a supporting top plate 114, a vertical plate 115 and a side plate 116. The bottom ends of the vertical plate 115 and the side plate 116 are welded and fixed to the main deck of the hull, and the top ends of the vertical plate 115 and the side plate 116 are welded to the supporting top plate 114
  • the vertical plate 115 is arranged along the width direction of the hull, the side plate 116 is arranged along the length direction of the hull, and the vertical plate 115 and the side plate 116 are enclosed to form a trapezoid with a wide bottom and a narrow top; the support
  • the platform 108 adopts the form of a truss structure.
  • the support platform 108 includes a platform truss main structure 117, a vertical support column 118 and an oblique support column 119.
  • the platform truss main structure 117 is welded by a cross-shaped "I" steel
  • the bottom end of the platform truss main structure 117 is welded with the vertical support column 118 and the diagonal support column 119, and the bottom ends of the vertical support column 118 and the diagonal support column 119 are welded with the support top plate 114.
  • stiffeners can be provided at the bottom ends of the vertical plate 115 and the side plate 116, and the stiffeners are inserted into the hull main deck 101 and welded to be firmly integrated; the vertical plate 115 and The side plates 116 can also be connected to each other by stiffening ribs; through the arrangement of the buttress structure 109 and the supporting platform 108, the crude oil processing device and other equipment in the upper area of the main deck can be modularly installed, and the installation is simple and easy, which can speed up
  • the overall construction period of the ship improves work efficiency; moreover, the materials for the buttress structure 109 and the supporting platform 108 are easy to obtain, the construction is convenient, it can be flexibly expanded, and the deck area is small.
  • the structure is simple, easy to construct, and can load the upper part. It is effectively transmitted to the main hull; it also makes the main deck structure more concise and effective, saves materials, and avoids the complicated transmission of the upper load.
  • the preferred solution is the main deck of the hull
  • the mooring systems 107 are respectively arranged on the port and starboard sides.
  • the mooring system includes a mooring winch 110, a fairlead 111, an anchor chain 112, and an anchor 113.
  • the anchor 113 is buried and fixed in Below the underwater mud surface, the mooring winch 110 is fixed on the main deck of the hull, the fairlead 111 is fixed on the side of the hull, and each anchor chain passes through the mooring winch 110 and the fairlead 111 adopts a catenary method Connect with the anchor 113 respectively.
  • each mooring chain 112 is connected to the anchor 113 buried under the surface of underwater mud through the mooring winch 110 and fairlead 111, respectively, to realize the anchoring of the hull at sea. position.
  • a wharf mooring equipment 106 is provided on the main deck of the hull.
  • the pier mooring equipment is arranged at a position away from the mooring system 107 and close to the middle of the hull.
  • the pier mooring equipment includes a mooring winch, a cable, a bollard, and a fairlead, The rope is wound and stored on the mooring winch. The rope is connected to the fixed foundation on the wharf after passing through the bollard and fairlead.
  • the mooring rope is stored on the mooring winch, and when the ship is docked, it is connected to the fixed foundation on the wharf through the bollards and fairleads, so that the ship is stably secured on the shore of the wharf.
  • the functional cabin further includes an engine room, which is arranged at the stern of the ship;
  • the product oil tanks can include product fuel tanks, diesel tanks, gasoline tanks and naphtha tanks, etc., product fuel tanks, diesel tanks, gasoline tanks and naphtha
  • the oil tank is respectively connected with the atmospheric tower and the auxiliary equipment module 53 through the oil pipeline of the header area.
  • the living area cabin module 61 is equipped with a broadcasting, a program-controlled automatic telephone, and a general alarm system, and the broadcasting speaker is a part of the general alarm system.
  • the ship is equipped with a central control system for the daily management of safety, alarm and communication of the upper production and processing modules and the ship’s engine room.
  • the central control system adopts computer integrated management, including emergency shutdown system, process shutdown system, and equipment alarm system; it is associated with the oil metering system and the closed-circuit television system.
  • the lighting system is arranged in the living area cabin, the engine room and the upper module.
  • the lighting system is divided into main lighting and emergency lighting systems; emergency lighting is mainly arranged in escape channels, equipment control stations, and emergency equipment control positions.
  • the ship is also equipped with a fire alarm system and a combustible gas detection system for the detection of flue gas fire alarm and hydrocarbon dangerous gas detection in the ship's engine room, cabin and upper production and processing modules.
  • the ship is also equipped with a flue gas denitration treatment device.
  • a flue gas denitration treatment device According to the local laws, regulations and relevant specifications where the platform is located, the exhaust flue gas of the boiler, generator set, and incinerator is discharged after the denitration treatment reaches the standard.
  • the system is designed with SCR (Selective Catalytic Reduction). Not only the exhaust gas of the generator set is denitrified, but the exhaust gas of the boiler and the incinerator is also denitrified.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

L'invention concerne un navire apte à conduire un traitement de produit pétrolier en mer. Le navire comprend une structure principale de corps de navire, la structure principale de corps de navire comprend un pont principal de corps de navire, une zone supérieure de pont principal et une zone inférieure de pont principal, la zone supérieure de pont principal comprenant un dispositif de traitement de pétrole brut, et le dispositif de traitement de pétrole brut étant relié à demeure à la partie supérieure du pont principal de corps de navire au moyen d'une plateforme de support ; la zone inférieure de pont principal comprend plusieurs cabines fonctionnelles, les cabines fonctionnelles sont divisées en différentes cabines au moyen de cloisons transversales et de cloisons longitudinales, les cabines fonctionnelles sont agencées sous le pont principal de corps de navire, et les cabines fonctionnelles comprennent une cabine de pétrole brut, une cabine de pétrole fini et un réservoir de ballast ; et la cabine de pétrole brut est en communication avec le dispositif de traitement de pétrole brut au moyen d'une conduite de transport de pétrole, et le dispositif de traitement de pétrole brut est en communication avec la cabine de pétrole fini au moyen d'une conduite de transport de pétrole. Selon la présente invention, une installation de traitement de produit pétrolier sur terre est construite de manière créative sur un navire-citerne, et un système est formé sur le navire au moyen d'une ingénierie publique, de telle sorte que la flexibilité de production soit améliorée, la zone occupée soit réduite et le coût de transport du pétrole brut et du pétrole fini soit réduit.
PCT/CN2020/097182 2020-06-16 2020-06-19 Navire apte à conduire un traitement de produit pétrolier en mer WO2021253426A1 (fr)

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