CN116729545A - Oil storage system of crude oil ship - Google Patents
Oil storage system of crude oil ship Download PDFInfo
- Publication number
- CN116729545A CN116729545A CN202310746990.2A CN202310746990A CN116729545A CN 116729545 A CN116729545 A CN 116729545A CN 202310746990 A CN202310746990 A CN 202310746990A CN 116729545 A CN116729545 A CN 116729545A
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- China
- Prior art keywords
- oil
- cargo
- pump
- cabin
- ship body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000003921 oil Substances 0.000 title claims abstract description 389
- 239000010779 crude oil Substances 0.000 title claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 238000002955 isolation Methods 0.000 claims description 21
- 238000005192 partition Methods 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 6
- 210000002310 elbow joint Anatomy 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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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
- B63B11/00—Interior subdivision of hulls
- B63B11/02—Arrangement of bulkheads, e.g. defining cargo spaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/24—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines
- B63B27/25—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines for fluidised bulk material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention discloses an oil storage system of a crude oil ship, which comprises a ship body, a plurality of oil conveying units and a loading device, wherein the loading device is arranged on an upper deck of the ship body, a plurality of cargo oil tanks are arranged in the ship body, and the cargo oil tanks are respectively communicated with the loading device through the plurality of oil conveying units; the ship body is internally provided with a plurality of transverse bulkheads and a plurality of longitudinal bulkheads, the transverse bulkheads are arranged along the central line in the ship body cabin, and the transverse bulkheads are perpendicular to the central line in the ship body cabin and positioned at two sides of the transverse bulkheads, so that the ship body cabin is divided into two transverse cargo oil cabins and a plurality of longitudinal cargo oil cabins, the cargo oil cabins are distributed more reasonably, and the requirement of 52500 tons of crude oil carrying capacity is met. Crude oil extracted from the external ship by the loading device is uniformly distributed to each cargo oil tank by arranging a plurality of oil delivery sheets, so that the gravity center of the crude oil ship is kept stable in the sailing process, and the side turning of the ship body caused by large impact of the crude oil to the cargo oil tanks is avoided.
Description
Technical Field
The invention relates to the field of crude oil ship structures, in particular to an oil storage system of a crude oil ship.
Background
Because of the high wind and high waves frequently encountered during the navigation at sea, the interior of the cargo oil carrier is generally divided into a plurality of cargo oil tanks for storing crude oil, so as to avoid the unstable running of the cargo oil tanks caused by the impact force of crude oil generated by inertia during the navigation of the crude oil carrier. The traditional cargo oil ship is generally provided with a left cargo oil cabin, a middle cargo oil cabin and a right cargo oil cabin in the transverse direction, the cargo oil ship is generally divided into five groups of cabins in the longitudinal direction, and the cabin length of the cargo holds in each group of cabins is basically equivalent to meet the requirement of ten thousand tons of crude oil transportation. From this, the transverse cargo oil tanks that sets up of current cargo oil ship is more, leads to oil pipeline's the more complicacy of arranging, and partial oil conveying equipment establishes in cargo oil tank, immerses in the crude oil, is inconvenient for the crewman to oil pipeline and oil conveying equipment's maintenance.
Disclosure of Invention
The present invention is directed to an oil storage system for a crude oil carrier, which solves one or more of the above-mentioned problems.
To achieve the purpose, the invention adopts the following technical scheme:
the oil storage system of the crude oil ship comprises a ship body, a plurality of oil transportation units and a loading device, wherein the loading device is arranged on an upper deck of the ship body, a plurality of cargo oil tanks are arranged in the ship body, and the cargo oil tanks are communicated with the loading device through the plurality of oil transportation units respectively;
the ship body is internally provided with a plurality of transverse bulkheads and a plurality of longitudinal bulkheads, the transverse bulkheads are sequentially arranged along the central line in the ship body cabin, the transverse bulkheads are perpendicular to the central line in the ship body cabin and are arranged on two sides of the transverse bulkheads, and the transverse bulkheads and the longitudinal bulkheads divide the ship body cabin into a plurality of cargo oil cabins;
the oil conveying unit is used for uniformly distributing the crude oil extracted by the loading device into the cargo oil tanks which are adjacent left and right and are spaced front and back; the oil conveying unit comprises an oil pump, a loading pipeline and a plurality of oil pipelines, wherein the oil pump is arranged in the ship body, a first pump port of the oil pump is connected with the loading pipeline, the loading pipeline is connected with the loading device, a second pump port of the oil pump is connected with one ends of the oil pipelines, and the other ends of the oil pipelines are connected with the oil tanks which are respectively adjacent to the left side and the right side and are spaced front and back;
the ship body is internally provided with a plurality of ballast tanks, and the plurality of ballast tanks are distributed at the bottoms and the outer sides of the plurality of cargo oil tanks one by one to form the ship body with a double-layer bottom structure.
Preferably, a pump cabin is further arranged in the ship body, the pump cabin is arranged at one end in the cabin, the cargo oil pump and the cargo oil valves are arranged in the pump cabin, a bulkhead partition plate is arranged between the pump cabin and the adjacent cargo oil cabins, one end of the loading pipeline is arranged in the pump cabin, the other end of the loading pipeline extends upwards to the upper deck of the ship body and is connected with the loading device, one end of the cargo oil pipeline is arranged in the pump cabin, and the other end of the cargo oil pipeline penetrates through the bulkhead partition plate and extends into the cargo oil cabin.
Preferably, the cargo oil pipeline comprises a first pipe section and a second pipe section, one end of the first pipe section is located in the pump cabin and connected with the cargo oil pump, the other end of the first pipe section penetrates through the bulkhead partition or penetrates through the bulkhead partition and at least one longitudinal bulkhead to extend into the cargo oil cabin, the top end of the second pipe section is connected with the first pipe end through an elbow joint, and the bottom end of the second pipe section vertically extends downwards.
Preferably, the bottom of the cargo oil tank is provided with an inclined bottom plate, the inclined bottom plate is inclined downwards from the side of the ship body towards the center line of the ship body, one side of the inclined bottom plate is provided with an oil collecting groove, the oil collecting groove is located at the lowest point of the bottom of the cargo oil tank, and the bottom end of the second pipe section extends into the oil collecting groove.
Preferably, two dirty oil water tanks are further arranged in the ship body, the two dirty oil water tanks are arranged left and right between the pump tank and the cargo oil tank, the two dirty oil water tanks are separated by the longitudinal bulkhead, one side of each dirty oil water tank is provided with the transverse bulkhead, the bulkhead partition plate is arranged on the other side of each dirty oil water tank, the outer side and the bottom of each dirty oil water tank are respectively provided with the ballast tank, and the volume ratio of each dirty oil water tank to the cargo oil tank is 0.3-0.4: 1.
preferably, the device further comprises a drain valve and a drain pipe, wherein the drain valve is arranged in the pump cabin, a first valve port of the drain valve is connected with one end of the drain pipe, the other end of the drain pipe extends into the dirty oil water cabin, a second valve port of the drain valve is connected with a first pump port of the cargo oil pump, and a third valve port of the drain valve is connected with the loading pipeline.
Preferably, the oil delivery unit further comprises a plurality of cargo oil valves, and the oil separator, the oil distribution valve and the cargo oil valves are all arranged in the pump cabin; the number of the oil distributing valves is the same as that of the oil conveying units, first pump ports of cargo oil pumps of the plurality of oil conveying units are respectively connected with first valve ports of the plurality of oil distributing valves, second valve ports of the plurality of oil distributing valves are respectively connected with the oil distributor, third valve ports of the plurality of oil distributing valves are connected with the loading pipeline, one ends of the plurality of cargo oil valves are respectively connected with second pump ports of the cargo oil pumps, and the other ends of the plurality of cargo oil valves are respectively connected with one ends of the plurality of cargo oil pipelines one by one; the oil separator is used for controlling the opening and closing of the plurality of oil distributing valves, the opening and closing of the plurality of oil distributing valves and the working state of the oil pumps of the plurality of oil conveying units, so that crude oil extracted by the oil conveying units from the loading device is uniformly distributed into the oil tanks.
Preferably, the upper deck of the hull is provided with a plurality of repair wells, the repair wells are respectively communicated with the tops of the cargo oil tanks, the repair wells are provided with detachable repair covers close to the center line of the hull, one side of each repair well is provided with a ventilation device, and the ventilation devices are used for exhausting gas in the cargo oil tanks.
Preferably, the ship further comprises a main cabin, an upper isolation cabin and a rear isolation cabin, wherein the main cabin is arranged at the stern of the ship body, a pump cabin is arranged between the main cabin and the cargo oil cabin, the rear isolation cabin is arranged on two sides of the pump cabin, and the upper isolation cabin is further arranged between the pump cabin and the main deck of the ship body.
Preferably, the ship further comprises a water hand storage room and a front isolation cabin, wherein the water hand storage room is arranged at the bow of the ship body, and the front isolation cabin is arranged between the water hand storage room and the cargo oil cabin.
The beneficial effects of the invention are as follows: the transverse bulkheads are arranged along the central line in the ship cabin and are perpendicular to the central line in the ship cabin and positioned at two sides of the transverse bulkheads, so that the ship cabin is divided into two transverse cargo oil tanks and a plurality of longitudinal cargo oil tanks, the cargo oil tanks are distributed more reasonably, and the requirement of 52500 tons of crude oil carrying capacity is met. Crude oil extracted from the external ship by the loading device is uniformly distributed to each cargo oil tank by arranging a plurality of oil delivery sheets, so that the gravity center of the crude oil ship is kept stable in the sailing process, and the side turning of the ship body caused by large impact of the crude oil to the cargo oil tanks is avoided.
Drawings
The present invention is further illustrated by the accompanying drawings, which are not to be construed as limiting the invention in any way.
FIG. 1 is a schematic overall construction of one embodiment of the present invention;
FIG. 2 is a schematic illustration of the arrangement of a cargo tank according to one embodiment of the invention;
FIG. 3 is a schematic illustration of the equipment arrangement of the upper deck of the hull of one embodiment of the present invention;
FIG. 4 is a cross-sectional view of a cargo tank according to one embodiment of the invention;
fig. 5 is a schematic view of a pump compartment according to one embodiment of the invention.
Wherein: the ship hull 1, the in-tank 11, the first oil delivery unit 21, the second oil delivery unit 22, the third oil delivery unit 23, the loading device 3, the first cargo oil pump 211, the first loading pipe 212, the first cargo oil pipe 213, the second cargo oil pump 221, the second loading pipe 222, the second cargo oil pipe 223, the third cargo oil pump 231, the third loading pipe 232, the third cargo oil pipe 233, the upper deck 12, the first cargo oil tank 41, the second cargo oil tank 42, the third cargo oil tank 43, the fourth cargo oil tank 44, the fifth cargo oil tank 45, the sixth cargo oil tank 46, the cross bulkhead 111, the longitudinal bulkhead 112, the ballast tank 13, the pump tank 5, the bulkhead partition 51, the first pipe segment 2131, the second pipe segment 2132, the inclined floor 411, the oil sump 412, the dirty oil tank 6, the oil separator 7, the oil separation valve 71, the service well 81, the ventilation device 82, the main cabin 91, the upper isolation cabin 92, the rear isolation cabin 93, the water hand cabin 94, and the front isolation cabin 95.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the mechanical connection can be welding, riveting, threaded connection or flange connection, etc.; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
1-3, the oil storage system of the crude oil carrier of the embodiment comprises a ship body 1, a first oil conveying unit 21, a second oil conveying unit 22, a third oil conveying unit 23 and a loading device 3, wherein the loading device 3 is arranged on an upper deck 12 of the ship body 1, a plurality of cargo oil tanks are arranged in the ship body 1, and the cargo oil tanks are communicated with the loading device 3 through the plurality of oil conveying units respectively; the loading device 3 is used for being connected with an external ship or external oil storage equipment through an oil delivery hose so as to extract external crude oil into the cargo oil tank or extract crude oil in the cargo oil tank 11 into the external ship or external oil storage equipment;
the inside of the ship body 1 is provided with a plurality of transverse bulkheads 111 and a plurality of longitudinal bulkheads 112, the transverse bulkheads 111 are sequentially arranged along the central line of the inside 11 of the ship body 1, the transverse bulkheads 111 are perpendicular to the central line of the inside 11 of the ship body 1 and are arranged at two sides of the transverse bulkheads 111, the inside 11 of the ship body 1 is divided into twelve cargo oil tanks by the transverse bulkheads 111 and the longitudinal bulkheads 112, and two first cargo oil tanks 41, two second cargo oil tanks 42, two third cargo oil tanks 43, two fourth cargo oil tanks 44, two fifth cargo oil tanks 45 and two sixth cargo oil tanks 46 which are arranged left and right are sequentially distributed from the bow to the stern;
the first oil delivery unit 21, the second oil delivery unit 22 and the third oil delivery unit 23 are respectively used for uniformly distributing the crude oil extracted by the loading device 3 into each cargo oil tank in the ship body 1; the first oil delivery unit 21 comprises a first oil pump 211, a first loading pipeline 212 and a plurality of first oil delivery pipelines 213, wherein the first oil pump 211 is arranged in the ship body 1, a first pump port of the first oil pump 211 is connected with the first loading pipeline 212, the first loading pipeline 212 is connected with the loading device 3, a second pump port of the first oil pump 211 is connected with one ends of the plurality of first oil delivery pipelines 213, and the other ends of the plurality of first oil delivery pipelines 213 are respectively connected with the first oil delivery cabin 41 and the fourth oil delivery cabin 44;
the second oil delivery unit 22 comprises a second oil pump 221, a second loading pipeline 222 and a plurality of second oil pipelines 233, the second oil pump 221 is arranged in the ship body 1, a first pump port of the second oil pump 221 is connected with the second loading pipeline 222, the second loading pipeline 222 is connected with the loading device 3, a second pump port of the second oil pump 221 is connected with one ends of the plurality of second oil pipelines 233, and the other ends of the plurality of second oil pipelines 233 are respectively connected with the second oil cargo tank 42 and the fifth oil cargo tank 45;
the third oil delivery unit 23 comprises a third cargo oil pump, a third loading pipeline and a plurality of third cargo oil pipelines, the third cargo oil pump is arranged in the ship body 1, a first pump port of the third cargo oil pump is connected with the third loading pipeline, the third loading pipeline is connected with the loading device 3, a second pump port of the third cargo oil pump is connected with one ends of the plurality of third cargo oil pipelines, and the other ends of the plurality of third cargo oil pipelines are respectively connected with the third cargo oil cabin 43 and the sixth cargo oil cabin 46; through setting up first defeated oil unit 21, second defeated oil unit 22 and third defeated oil unit 23 respectively with loading attachment 3 to the crude oil evenly distributed of outside boats and ships extraction to each cargo tank for the crude oil ship keeps focus steady in the navigation process, avoids causing hull 1 to appear turning on one's side because of the crude oil causes great impact to the cargo tank, sets up two first cargo tanks 41, two second cargo tanks 42, two third cargo tanks 43, two fourth cargo tanks 44, two fifth cargo tanks 45 and two sixth cargo tanks 46, makes the distribution of cargo tank more reasonable, satisfies 52500 ton crude oil load's requirement.
The hull 1 is also internally provided with a plurality of ballast tanks 13, the number of the ballast tanks 13 is equal to that of the cargo oil tanks, and the plurality of ballast tanks 13 are distributed at the bottoms and the outsides of the plurality of cargo oil tanks one by one to form the hull 1 with a double-layer bottom structure.
Preferably, the hull 1 is further provided with a pump cabin 5, the pump cabin 5 is arranged at one end of the cabin 11, the cargo oil pump and the cargo oil valves are arranged in the pump cabin 5, a bulkhead partition plate 51 is arranged between the pump cabin 5 and the adjacent cargo oil cabin, one end of a loading pipeline is arranged in the pump cabin 5, the other end of the loading pipeline extends upwards to the upper deck 12 of the hull 1 and is connected with the loading device 3, one end of the cargo oil pipeline is arranged in the pump cabin 5, and the other end of the cargo oil pipeline extends to the cargo oil cabin 11 through the bulkhead partition plate 51. By arranging the pump cabin 5 in the ship body 1 and installing the first cargo oil pump 211, the second cargo oil pump 221, the third cargo oil pump, the cargo oil valve and other devices in the first oil conveying unit 21, the second oil conveying unit 22 and the third oil conveying unit 23 in the pump cabin 5, the equipment such as the liquid cargo valve, the cargo oil pump and the like is prevented from being immersed in crude oil, and maintenance is facilitated. Meanwhile, as the cargo oil pump and other devices are arranged in the pump cabin 5, the cargo oil pipeline can be arranged at the lower part of the cargo oil cabin, which is favorable for keeping the gravity center stable during the sailing of the crude oil ship,
preferably, the cargo oil pipeline comprises a first pipe segment 2131 and a second pipe segment 2132, referring to fig. 4, one end of the first pipe segment 2131 is located in the pump compartment 5 at 11 and is connected to the cargo oil pump, the other end of the first pipe segment 2131 extends through the bulkhead 51 or through the bulkhead 51 and at least one longitudinal bulkhead 112 into the cargo oil compartment 11, the top end of the second pipe segment 2132 is connected to the first pipe end by an elbow joint, and the bottom end of the second pipe segment 2132 extends vertically downward. The first pipe segment 2131 horizontally arranged and the second pipe segment 2132 vertically arranged are arranged to form the oil pipeline, so that the structure of the pump cabin 5 and the arrangement of the oil pipeline are optimized, the conveying distance of the oil pipeline is shortened, more complex corners are avoided, elbow joints are saved, welding areas are reduced, the arrangement of the oil pipeline is more reasonable, and the crude oil conveying pressure loss caused by more bent angles of the oil pipeline is reduced.
Preferably, the bottom of the cargo tank is provided with an inclined bottom plate 411, the inclined bottom plate 411 is inclined downwards from the side of the hull 1 towards the center line of the hull 1, one side of the inclined bottom plate 411 is provided with an oil collecting groove 412, the oil collecting groove 412 is positioned at the lowest point of the bottom of the cargo tank, and the bottom end of the second pipe segment 2132 extends into the oil collecting groove 412. By arranging the inclined bottom plate 411 at the bottom of the cargo oil tank, crude oil in the cargo oil tank 11 flows into the oil collecting groove 412 under the guidance of the inclined bottom plate 411, so that the bottom end of the second pipe section 2132 of the cargo oil pipeline can be immersed in the crude oil, and the cargo oil pump can conveniently extract all the crude oil in the cargo oil tank 11.
Preferably, two dirty oil water tanks 6 are further arranged in the ship body 1, a pump tank 5 and a cargo oil tank are arranged between the two dirty oil water tanks 6 left and right, the two dirty oil water tanks 6 are separated by a longitudinal bulkhead 112, a transverse bulkhead 111 is arranged on one side of each dirty oil water tank 6, a bulkhead partition plate 51 is arranged on the other side of each dirty oil water tank 6, ballast tanks 13 are arranged on the outer side and the bottom of each dirty oil water tank 6, and the volume ratio of each dirty oil water tank 6 to each cargo oil tank is 0.3-0.4: 1. the dirty oil water tank 6 is arranged between the cargo oil tank and the pump tank 5, so that dirty oil water treatment equipment can be arranged in the pump tank 5, the distance of a dirty oil pipe is shortened, and the dirty oil pipe is prevented from passing through the cargo oil tank. The outer side and the bottom of the dirty oil water tank 6 are both provided with ballast tanks 13, so that dirty oil and sewage leakage caused by the impact of foreign objects on the crude oil carrier is avoided. Because the proportion of dirty oil and sewage generated in the running process of the crude oil carrier to the transport weight of the crude oil carrier is smaller, the volume ratio of the dirty oil tank to one cargo oil tank is 0.3-0.4: 1, the dirty oil water tank 6 is enough to contain dirty oil and sewage generated in the running process of the crude oil ship, and the dirty oil water tank 6 is prevented from occupying a larger space of the ship body 1.
Further, the device also comprises a drain valve and a drain pipe, wherein the drain valve is arranged in the pump cabin 5, the first valve port of the drain valve is connected with one end of the drain pipe, the other end of the drain pipe extends to the inside 11 of the dirty oil water cabin 6, the second valve port of the drain valve is connected with the first pump port of the cargo oil pump, and the third valve port of the drain valve is connected with the loading pipeline. Thus, by providing the drain valve and the drain pipe and utilizing suction of the first cargo oil pump 211, the second cargo oil pump 221 and the third cargo oil pump, dirty oil in the first loading pipe 212, the first cargo oil pipe 213, the second loading pipe 222, the second cargo oil pipe 233, the third loading pipe or the third cargo oil pipe is discharged into the dirty oil tank 6, and also the tank washing water of the cargo oil tank 11 can be discharged into the dirty oil tank 6, so that dirty oil and sewage can be collected conveniently.
Preferably, the oil delivery unit further comprises an oil distribution unit, the oil distribution unit comprises an oil distributor 71 and a plurality of oil distribution valves, and referring to fig. 5, the oil delivery unit further comprises a plurality of oil distribution valves, and the oil distributor 71, the oil distribution valves and the oil distribution valves are all arranged in the pump compartment 5 11; the number of the oil distributing valves is the same as that of the oil conveying units, the first pump ports of the cargo oil pumps of the plurality of oil conveying units are respectively connected with the first valve ports of the plurality of oil distributing valves, the second valve ports of the plurality of oil distributing valves are respectively connected with the oil distributor 71, the third valve ports of the plurality of oil distributing valves are connected with the loading pipeline, one ends of the plurality of cargo oil valves are respectively connected with the second pump ports of the cargo oil pumps, and the other ends of the plurality of cargo oil valves are respectively connected with one ends of the plurality of cargo oil pipelines one by one; the oil separator 71 is used for controlling the opening and closing of the plurality of oil separating valves, the opening and closing of the plurality of cargo oil valves, and the operating states of the cargo oil pumps of the plurality of oil delivery units, so that the crude oil extracted from the loading device 3 by each oil delivery unit is uniformly distributed into each cargo oil tank. By arranging the oil separator 71 and enabling the first cargo oil pump 211 of the first conveying unit, the second cargo oil pump 221 of the second conveying unit and the third cargo oil pump of the third conveying unit to be connected with the oil separator 71 through oil separating valves respectively, when the weight of crude oil stored in each cargo oil tank 11 is uneven, the control of opening and closing the plurality of oil separating valves and the control of opening and closing the plurality of cargo oil valves through the oil separator 71 and the control of forward and backward rotation of the first cargo oil pump 211, the second cargo oil pump 221 and the third cargo oil pump realize that crude oil stored in the cargo oil tank 11 with heavy crude oil weight is conveyed into the cargo oil tank 11 with light crude oil weight, so that the crude oil is evenly distributed into each cargo oil tank, and the gravity center of the crude oil ship is ensured to be stable in the sailing process.
Preferably, the upper deck 12 of the hull 1 is provided with a plurality of repair wells 81, the repair wells 81 are respectively communicated with the tops of the cargo oil tanks, the repair wells 81 are arranged at the positions, close to the center line of the hull 1, of the cargo oil tanks, the upper cover of each repair well 81 is provided with a detachable repair cover plate, one side of each repair well is provided with a ventilation device 82, and the ventilation devices 82 are used for exhausting gas in the cargo oil tanks 11. Through offer a plurality of maintenance wells 81 that are linked together with each cargo oil tank respectively on hull 1 upper deck 12, be convenient for maintainer get into corresponding cargo oil tank, maintain the cargo oil tank.
Preferably, the ship further comprises a main cabin 91, an upper isolation cabin 92 and a rear isolation cabin 93, wherein the main cabin 91 is arranged at the stern of the ship body 1, a pump cabin 5 is arranged between the main cabin 91 and the cargo oil cabin, the rear isolation cabin 93 is arranged on two sides of the pump cabin 5, and the upper isolation cabin 92 is further arranged between the pump cabin 5 and the main deck of the ship body 1. The main cabin 91 is used for placing a main engine of a crude oil ship, a lubricating device and other equipment, and the pump cabin 5 is arranged between the main cabin 91 and the cargo oil cabin, so that the pump cabin 5 is used for placing the cargo oil pump, the cargo oil valve and other equipment, the main cabin 91 is isolated from the cargo oil cabin, crude oil in the cargo oil cabin 11 is prevented from directly leaking into the main cabin 91 at the stern of the ship body 1, and the crude oil leakage is prevented from affecting the normal work of the main engine of the crude oil ship.
Preferably, the ship further comprises a water hand storage chamber 94 and a front isolation cabin 95, wherein the water hand storage chamber 94 is arranged at the bow of the ship body 1, and the front isolation cabin 95 is arranged between the water hand storage chamber 94 and the cargo oil cabin. By arranging the front isolation cabin 95 between the water hand storage chamber 94 and the cargo oil tank of the ship body 1, the front isolation cabin 95 can be an empty cabin, so that the water hand storage chamber 94 is separated from the cargo oil tank, crude oil 11 in the cargo oil tank is prevented from directly leaking into the water hand storage chamber 94 at the bow part of the ship body 1, the tightness of the water hand storage chamber 94 is ensured, no explosion-proof equipment is needed, and the space of the water hand storage chamber 94 occupying the bow part of the ship body 1 is saved.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (10)
1. The oil storage system of the crude oil ship is characterized by comprising a ship body, a plurality of oil transportation units and a loading device, wherein the loading device is arranged on an upper deck of the ship body, a plurality of cargo oil tanks are arranged in the ship body, and the cargo oil tanks are communicated with the loading device through the plurality of oil transportation units respectively;
the ship body is internally provided with a plurality of transverse bulkheads and a plurality of longitudinal bulkheads, the transverse bulkheads are sequentially arranged along the central line in the ship body cabin, the transverse bulkheads are perpendicular to the central line in the ship body cabin and are arranged on two sides of the transverse bulkheads, and the transverse bulkheads and the longitudinal bulkheads divide the ship body cabin into a plurality of cargo oil cabins;
the oil conveying unit is used for uniformly distributing the crude oil extracted by the loading device into the cargo oil tanks which are adjacent left and right and are spaced front and back; the oil conveying unit comprises an oil pump, a loading pipeline and a plurality of oil pipelines, wherein the oil pump is arranged in the ship body, a first pump port of the oil pump is connected with the loading pipeline, the loading pipeline is connected with the loading device, a second pump port of the oil pump is connected with one ends of the oil pipelines, and the other ends of the oil pipelines are connected with the oil tanks which are respectively adjacent to the left side and the right side and are spaced front and back;
the ship body is internally provided with a plurality of ballast tanks, and the plurality of ballast tanks are distributed at the bottoms and the outer sides of the plurality of cargo oil tanks one by one to form the ship body with a double-layer bottom structure.
2. An oil storage system for a crude oil carrier according to claim 1, wherein a pump compartment is further provided in the hull, said pump compartment being provided at one end of the interior of the pump compartment, said cargo pump and said plurality of cargo valves being provided in said pump compartment, a bulkhead being provided between said pump compartment and an adjacent cargo compartment, one end of said loading duct being provided in said pump compartment, the other end of said loading duct extending upwardly to the upper deck of the hull and being connected to said loading means, one end of said cargo duct being provided in said pump compartment, the other end of said cargo duct extending through said bulkhead into said cargo compartment.
3. An oil storage system for a crude oil carrier according to claim 2, wherein said cargo oil pipeline comprises a first pipe section and a second pipe section, one end of said first pipe section being located in said pump compartment and connected to said cargo oil pump, the other end of said first pipe section extending through said bulkhead and through said bulkhead and at least one of said longitudinal bulkheads into said cargo oil compartment, the top end of said second pipe section being connected to said first pipe end by an elbow joint, the bottom end of said second pipe section extending vertically downward.
4. A crude oil tanker's oil storage system according to claim 3, wherein the bottom of said cargo tank is provided with an inclined bottom plate, said inclined bottom plate being inclined downwards from the side of said hull towards said hull centre line, one side of said inclined bottom plate being provided with an oil sump, said oil sump being located at the lowest point of the bottom of said cargo tank, the bottom end of said second pipe section extending into said oil sump.
5. The oil storage system of claim 2, wherein two dirty oil tanks are further arranged in the ship body, the two dirty oil tanks are arranged between the pump tank and the cargo oil tank left and right, the two dirty oil tanks are separated by the longitudinal bulkhead, one side of the dirty oil tank is provided with the transverse bulkhead, the bulkhead partition plate is arranged on the other side of the dirty oil tank, the ballast tanks are arranged on the outer side and the bottom of the dirty oil tank, and the volume ratio of the dirty oil tank to the cargo oil tank is 0.3-0.4: 1.
6. the crude oil carrier storage system as set forth in claim 5 further comprising a blow down valve and a blow down pipe, said blow down valve being disposed within said pump compartment, a first port of said blow down valve being connected to one end of said blow down pipe, the other end of said blow down pipe extending into said dirty oil compartment, a second port of said blow down valve being connected to said first pump port of said cargo pump, and a third port of said blow down valve being connected to said loading conduit.
7. The oil storage system of a crude oil carrier according to claim 2, further comprising an oil distribution unit, said oil distribution unit comprising an oil distributor and a plurality of oil distribution valves, said oil distribution unit further comprising a plurality of cargo oil valves, said oil distributor, said oil distribution valves and said cargo oil valves being disposed within said pump compartment; the number of the oil distributing valves is the same as that of the oil conveying units, first pump ports of cargo oil pumps of the plurality of oil conveying units are respectively connected with first valve ports of the plurality of oil distributing valves, second valve ports of the plurality of oil distributing valves are respectively connected with the oil distributor, third valve ports of the plurality of oil distributing valves are connected with the loading pipeline, one ends of the plurality of cargo oil valves are respectively connected with second pump ports of the cargo oil pumps, and the other ends of the plurality of cargo oil valves are respectively connected with one ends of the plurality of cargo oil pipelines one by one; the oil separator is used for controlling the opening and closing of the plurality of oil distributing valves, the opening and closing of the plurality of oil distributing valves and the working state of the oil pumps of the plurality of oil conveying units, so that crude oil extracted by the oil conveying units from the loading device is uniformly distributed into the oil tanks.
8. The oil storage system of a crude oil carrier according to claim 1, wherein a plurality of repair wells are formed in an upper deck of the ship body, the repair wells penetrate through tops of the cargo oil tanks respectively, the repair wells are formed in positions, close to a center line of the ship body, of the cargo oil tanks, a detachable repair cover plate is arranged on an upper cover of each repair well, and a ventilation device is arranged on one side of each repair well and used for exhausting gas in the cargo oil tanks.
9. The oil storage system of a crude oil carrier according to claim 1, further comprising a main cabin, an upper isolation cabin and a rear isolation cabin, wherein the main cabin is arranged at a stern of the hull, the pump cabin is arranged between the main cabin and the cargo oil cabin, the rear isolation cabin is arranged at two sides of the pump cabin, and the upper isolation cabin is arranged between the pump cabin and a main deck of the hull.
10. The oil storage system of claim 1, further comprising a water craft storage compartment and a front shelter, wherein the water craft storage compartment is provided at the bow of the hull, and wherein the front shelter is provided between the water craft storage compartment and the cargo tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310746990.2A CN116729545B (en) | 2023-06-25 | 2023-06-25 | Oil storage system of crude oil ship |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310746990.2A CN116729545B (en) | 2023-06-25 | 2023-06-25 | Oil storage system of crude oil ship |
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|---|---|
| CN116729545B (en) | 2024-05-14 |
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