CN111379974A - Electric heating deep sea sunken ship oil pumping device and method - Google Patents
Electric heating deep sea sunken ship oil pumping device and method Download PDFInfo
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- CN111379974A CN111379974A CN202010323143.1A CN202010323143A CN111379974A CN 111379974 A CN111379974 A CN 111379974A CN 202010323143 A CN202010323143 A CN 202010323143A CN 111379974 A CN111379974 A CN 111379974A
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- 238000005086 pumping Methods 0.000 title claims abstract description 54
- 238000005485 electric heating Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002131 composite material Substances 0.000 claims abstract description 21
- 239000013535 sea water Substances 0.000 claims abstract description 11
- 239000003921 oil Substances 0.000 claims description 194
- 239000000295 fuel oil Substances 0.000 claims description 13
- 238000004321 preservation Methods 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 9
- 238000011084 recovery Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003949 liquefied natural gas Substances 0.000 description 2
- 239000003915 liquefied petroleum gas Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003305 oil spill Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/14—Conveying liquids or viscous products by pumping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C7/00—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects
- B63C7/006—Emptying the contents of sunken, stranded, or disabled vessels, e.g. by engaging the vessel; Underwater collecting of buoyant contents, such as liquid, particulate or gaseous contents, escaping from sunken vessels, e.g. using funnels, or tents for recovery of escaping hydrocarbons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/16—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity
- F17D1/18—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity by heating
Abstract
The invention provides an electric heating deep sea sunken ship oil pumping device and a method, wherein the device comprises an above-water operation part and an underwater operation part, wherein the above-water operation part mainly comprises an electric power supply device and an oil storage cabin; the underwater operation part mainly comprises a sunken ship oil tank and a mesh electric heater; wherein: an oil delivery pipe is arranged in the heat preservation-cable composite pipeline and is separated from the heat preservation-cable composite pipeline through a separator, the heat preservation-cable composite pipeline is connected with a power supply device, and the oil delivery pipe is connected with the oil storage cabin through an oil outlet pipe; the other end of the oil delivery pipe is connected with the oil tank of the sunken ship through an oil inlet pipe, and the net-shaped electric heater is connected below an oil inlet of the oil inlet pipe. The invention uses the oil pipeline to communicate with the atmosphere, the water inlet pipe to communicate with the seawater, the oil pipeline and the water inlet pipe jointly act to form deep sea-atmosphere pressure difference in the oil tank of the sunken ship, the deep sea-atmosphere pressure difference is used as power to pump out melted liquid oil, the fast oil pumping is completed in a short time, and the natural power is used for realizing the oil pumping and the fast transshipment of the sunken ship in the deep sea.
Description
Technical Field
The invention relates to the technical field of sunken ship oil recovery, in particular to an electric heating deep-sea sunken ship oil pumping device and method.
Background
In recent years, with the rapid development of global maritime industry, maritime transportation is increasingly busy, and the quantity and density of maritime activities are continuously increased. At present, the annual throughput of coastal ports in China reaches 78 hundred million tons, and the national ship port entrance and exit flow reaches 900 ten thousand times. Super-large oil tankers of 30 ten thousand tons or more are becoming the main transport force, and the number of large ships transporting dangerous goods such as LNG (liquefied natural gas), LPG (liquefied petroleum gas) and the like is also increasing greatly.
Due to the abnormal climate change, frequent extreme natural disasters and human factors, the probability of serious marine accidents and serious oil spill pollution risks is greatly increased. Once the ship sinking accident happens to cause the damage of the oil tank of the ship body, the damage to the marine ecosystem is caused.
Because the water temperature at the sea bottom is low, the internal combustion oil of the sunken ship is usually solid and is difficult to be directly pumped by an oil transfer pump, and a steam heating method is generally used at present: when oil is pumped, steam generated by the steam boiler is sent into the oil tank of the sunken ship through the steam pipeline, fuel oil in the oil tank of the sunken ship is heated by the steam and dissolved into liquid, and the liquid fuel oil is pumped out by the oil transfer pump and then sent into the oil storage tank through the oil transfer pipeline. The oil pumping device has the following problems: firstly, when oil is pumped, an oil pipeline is directly contacted with seawater, heat of the oil pipeline is continuously dissipated due to heat exchange with the seawater in the oil transportation process, the temperature of fuel oil is gradually reduced, and in order to avoid that the fuel oil is solidified and can not be pumped, a steam boiler needs to heat oil in an oil tank of the sunken ship to a higher temperature; secondly, large oil tankers transport goods and often sail in deep sea areas, and once a ship sinking accident occurs in the deep sea areas, the steam heating method is not applicable. Therefore, the deep-sea oil pumping equipment has higher requirements for shallow-sea oil pumping, and if the deep-sea oil pumping equipment is found, the deep-sea oil pumping equipment is also suitable for shallow-sea oil pumping.
Disclosure of Invention
According to the technical problems that the existing steam heating oil pumping device is low in efficiency and is not adaptive to deep sea working conditions, the electric heating deep sea sunken ship oil pumping device is provided. The invention mainly utilizes the deep sea-atmospheric pressure difference as the oil pumping power and applies the method of electrically heating solid fuel oil, thereby realizing the functions of oil pumping and rapid transfer of a sunken ship in the deep sea.
The technical means adopted by the invention are as follows:
an electrically heated deep sea sunken ship oil pumping device, comprising: the overwater operation part and the underwater operation part are connected through a heat preservation-cable composite pipeline; the above-water operation part mainly comprises a power supply device and an oil storage cabin; the underwater operation part mainly comprises a sunken ship oil tank and a mesh electric heater; wherein: an oil delivery pipe is arranged in the heat preservation-cable composite pipeline and is separated from the heat preservation-cable composite pipeline through a separator, the heat preservation-cable composite pipeline is connected with a power supply device, and the oil delivery pipe is connected with the oil storage cabin through an oil outlet pipe; the other end of the oil delivery pipe is connected with the oil tank of the sunken ship through an oil inlet pipe, and the net-shaped electric heater is connected below an oil inlet of the oil inlet pipe.
Furthermore, still be provided with the inlet tube on the sunken ship oil tank, be provided with the ooff valve on the inlet tube, the inlet tube can introduce sunken ship oil tank bottom with the sea water.
Further, a cable is arranged inside the heat preservation-cable composite pipeline, and the cable is tightly wound on the outer wall of the oil delivery pipe and tightly attached to the inner wall of the heat preservation-cable composite pipeline; the cable supplies power to the mesh electric heater.
Furthermore, a pressure reducing valve is arranged on the oil outlet pipe.
Further, the oil delivery pipe is connected with the oil inlet pipe through a connecting valve, and both sides of the connecting valve are provided with switch valves.
Furthermore, the inlet pipe and the inlet pipe are connected with the oil tank of the sunken ship through fixing devices, and the fixing devices are flange connecting devices.
Further, the water inlet pipe and the oil inlet pipe are connected to two sides of the oil tank of the sunken ship close to the bulkhead.
The invention also provides an electric heating deep sea sunken ship oil pumping method based on the device, which comprises the following steps:
the oil pumping ship arrives at the sea area above the sunken ship and is anchored and fixed, the electric heating deep-sea sunken ship oil pumping device is checked, and all valves are kept in a closed state;
positioning the oil tank of the sunken ship, forming a hole at one side of the top of the oil tank, connecting and fixing the oil inlet pipe and the mesh electric heater with the oil tank of the sunken ship by using a fixing device, connecting the oil inlet pipe and the oil delivery pipe by using a connecting valve, completing cable connection, and fixedly installing the water inlet pipe at the other side of the oil tank of the sunken ship by using the same method;
electrifying the mesh-shaped electric heater by using the electric power supply device, opening the first switch valve and the second switch valve of the oil inlet pipe and the oil outlet pipe after the fuel oil is melted to a certain degree, ventilating the atmosphere to the oil tank, slowly opening the third switch valve of the water inlet pipe to enable the seawater to enter the oil tank, forming a deep sea-atmosphere pressure difference, and pumping out the fuel oil of the sunken ship;
the pressure reducing valve is utilized to buffer the oil inlet speed, and the oil is safely and efficiently collected to the oil storage cabin.
Compared with the prior art, the invention has the following advantages:
the invention utilizes natural power, namely deep sea-atmospheric pressure difference as oil pumping power, solves the problem that the traditional oil well pump in deep sea has low efficiency or can not work, and realizes the function of rapid transferring of deep sea oil pumping.
The invention adopts the electric heating device to heat the fuel oil, replaces the traditional mode of heating the fuel oil by steam, has high heat utilization rate and reduces energy dissipation.
The invention adopts a device integration connection mode, and can reduce the difficulty of deep sea operation by the auxiliary operation of an underwater robot.
In conclusion, by applying the technical scheme of the invention, the deep sea-atmosphere pressure difference formed by the deep sea and the atmosphere is utilized to provide oil pumping power, and natural power is effectively utilized; and meanwhile, the electric device is used for heating fuel oil, so that the energy consumption of the device is further reduced.
Based on the reasons, the invention can be widely popularized in the field of deep/shallow sea sunken vessel oil recovery.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an electric heating deep-sea sunken ship oil pumping device.
FIG. 2 is a schematic diagram of the electric heating deep sea sunken ship oil pumping device.
In the figure: 1. an oil outlet pipe; 2. a pressure reducing valve; 3. a separator; 4. a heat-insulating-cable composite pipe; 5. an oil delivery pipe; 6. a connecting valve; 7. an on-off valve; 8. a water inlet pipe; 9. a mesh electric heater; 10. a fixing device; 11. an oil inlet pipe.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
As shown in figures 1-2, the invention provides an electric heating deep sea sunken ship oil pumping device, which comprises an oil storage cabin, an electric power supply device, a separator, a heat preservation-cable composite pipeline 4, an oil outlet pipe 1, a pressure reducing valve 2, an oil delivery pipe 5, a switch valve 7, a connecting valve 6, a fixing device 10, an oil inlet pipe 11, a mesh heater 9, an water inlet pipe 8 and a sunken ship oil cabin.
The oil conveying pipeline comprises an oil outlet pipe 1, an oil conveying pipe 5 and an oil inlet pipe 11, and the oil conveying pipe 5 is positioned in the heat preservation-cable composite pipeline 4. The heat preservation-cable composite pipeline 4 is connected with a power supply device; the oil outlet pipe 5 is connected with the oil storage cabin, and the oil outlet pipe 5 is separated from the heat preservation-cable composite pipeline 4 through a separator. Furthermore, one side of the oil inlet pipe 11 is connected with the oil delivery pipe 5, the other side is connected with the oil tank of the sunken ship, and the butt joint is completed along with the opening of the upper connecting valve and the lower connecting valve. The reticular electric heater is connected with the lower end of the oil inlet pipe.
In the embodiment of the invention, the pressure reducing valve 2 is arranged at the oil outlet pipe 1, and is used for buffering the oil inlet speed under the large pressure difference between deep sea and atmosphere, so that the safe oil outlet and oil recovery are ensured. The oil delivery pipe 5 is positioned in the heat preservation-cable composite pipeline 4, and the cable is tightly attached to the inner wall of the heat preservation layer and the outer wall of the oil delivery pipe 5. The reticular electric heater 9 is connected with the lower end of the oil inlet pipe 5, and the reticular electric heater and the oil inlet pipe are integrally connected into the oil tank of the sunken ship by utilizing the fixing device 10. The cable is connected with the reticular electric heater 9 through the oil inlet pipe 5. The tail end of the oil delivery pipe is connected with the oil inlet pipe 5 through a connecting valve, and both ends of the connecting valve 6 are provided with a switch valve 7.
In the embodiment of the invention, the oil pumping power is natural power: the water inlet pipe 8 enables seawater to enter the oil tank to provide deep sea pressure; the oil delivery pipe 5 is communicated with the atmosphere to provide atmospheric pressure. Deep sea-atmosphere pressure difference is formed in deep sea and atmosphere, and oil pumping power is provided.
In the embodiment of the invention, the water inlet pipe 8 is connected with the oil tank of the sunken ship by using a fixing device 10, the upper end of the water inlet pipe 8 is provided with a switch valve 7, and the tail end of the pipeline extends to the position near the bottom of the oil tank.
In the embodiment of the present invention, the fixing device 10 is preferably a flange connection device. In other embodiments of the present invention, the fixing device may also be other fixing connection devices.
In the above embodiment, the on-off valve 7 includes a first on-off valve, a second on-off valve, and a third on-off valve. The first switch valve and the second switch valve are arranged at the lower end of the oil delivery pipe and the upper end of the oil inlet pipe, seawater is isolated before the oil pumping device is started, and the atmospheric pressure in the oil delivery pipeline is ensured; the third switch valve is installed at the upper end of the water inlet pipe and isolates the seawater before the device is started.
In an embodiment of the invention, the deep-sea sunken ship tank openings (intake pipe openings and intake pipe openings) are made by underwater robots, such as ROV-QUANTUM/EV from SMD corporation or other similar products with similar functions, on both sides of the tank, close to the tank wall.
On the other hand, the invention also provides an oil pumping method by utilizing the electric heating deep-sea sunken ship oil pumping device, which comprises the following steps:
and (4) anchoring and fixing the oil pumping ship when the oil pumping ship reaches the sea area above the sunken ship, checking the electric heating deep-sea sunken ship oil pumping device, and keeping all valves in a closed state. Manually releasing an underwater robot (carrying the electric heating deep-sea sunken ship oil pumping device underwater equipment) into the sea, and remotely controlling the robot to reach the position near a sunken ship and positioning a sunken ship oil tank; at the moment, the oil delivery pipe, the water inlet pipe and auxiliary equipment are undetermined, and the oil inlet pipe is connected with the mesh electric heater by using the underwater robot. Furthermore, an opening is formed in one side of the oil tank by using the underwater robot, the oil inlet pipe, the mesh-shaped electric heater and the oil tank are fixedly connected by using the fixing device, the oil inlet pipe is connected with the oil delivery pipe by using the connecting valve and the underwater robot, and the cable connection is completed. Similarly, the water inlet pipe is fixedly arranged at the other side (opposite to the oil inlet pipe) of the oil tank by using the auxiliary action of the underwater robot.
And the installation and connection states of all the parts are checked by using the auxiliary action of the underwater robot. The power supply device is manually used for electrifying the mesh-shaped electric heater, the underwater robot is used for assisting observation, after the fuel oil is melted to a certain degree, the first switch valve and the second switch valve of the oil inlet pipe and the oil outlet pipe are opened firstly, the atmosphere is communicated with the oil tank, then the third switch valve of the water inlet pipe is opened slowly, the seawater enters the oil tank, the deep sea-atmospheric pressure difference is formed, and the sunken ship fuel oil is pumped out.
The pressure reducing valve is used for buffering the oil feeding speed, and the fed oil is safely and efficiently collected to the oil storage cabin to complete the oil pumping operation.
The electric heating deep-sea sunken ship oil pumping device and method can replace oil pumping pumps, steam heating and other heating oil pumping modes adopted by the traditional oil pumping ship, solve the problems of difficult deep-sea heating oil pumping operation and low efficiency, and realize the purpose of rapid oil pumping transshipment of the deep-sea sunken ship.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. An electric heating deep sea sunken ship oil pumping device is characterized by comprising: the overwater operation part and the underwater operation part are connected through a heat preservation-cable composite pipeline (4); the above-water operation part mainly comprises a power supply device and an oil storage cabin; the underwater operation part mainly comprises a sunken ship oil tank and a reticular electric heater (9); wherein:
an oil delivery pipe (5) is arranged in the heat-preservation and cable composite pipeline (4), the heat-preservation and cable composite pipeline and the oil delivery pipe are separated through a separator (3), then the heat-preservation and cable composite pipeline (4) is connected with a power supply device, and the oil delivery pipe (5) is connected with the oil storage cabin through an oil outlet pipe (1);
the other end of the oil delivery pipe (5) is connected with the oil tank of the sunken ship through an oil inlet pipe (11), and the reticular electric heater (9) is connected below an oil inlet of the oil inlet pipe (11).
2. The electric heating deep-sea sunken ship oil pumping device as claimed in claim 1, wherein a water inlet pipe (8) is further arranged on the sunken ship oil tank, a switch valve (7) is arranged on the water inlet pipe (8), and the water inlet pipe (8) can introduce seawater into the bottom of the sunken ship oil tank.
3. The electric heating deep sea sunken ship oil pumping device as claimed in claim 1, wherein a cable is further arranged inside the heat preservation-cable composite pipeline (4), and the cable is wound on the outer wall of the oil delivery pipe (5) in a clinging manner and clings to the inner wall of the heat preservation-cable composite pipeline (4);
the cable supplies energy to the mesh electric heater (9).
4. The electric heating deep sea sunken ship oil pumping device as claimed in claim 1, wherein a pressure reducing valve (2) is arranged on the oil outlet pipe (1).
5. The electric heating deep sea sunken ship oil pumping device as claimed in claim 1, wherein the oil delivery pipe (5) is connected with the oil inlet pipe (11) through a connecting valve (6), and both sides of the connecting valve are respectively provided with a switch valve (7).
6. The electric heating deep sea sunken ship oil pumping device of claim 1, wherein the water inlet pipe (8) and the oil inlet pipe (11) are connected with the sunken ship oil tank through a fixing device (10), and the fixing device (10) is a flange connecting device.
7. The electric heating deep sea sunken ship oil pumping device of claim 6, wherein the water inlet pipe (8) and the oil inlet pipe (11) are connected to both sides of the sunken ship oil tank near the bulkhead.
8. An electric heating deep sea sunken ship oil pumping method based on the device of claim 1, which is characterized by comprising the following steps:
the oil pumping ship arrives at the sea area above the sunken ship and is anchored and fixed, the electric heating deep-sea sunken ship oil pumping device is checked, and all valves are kept in a closed state;
positioning the oil tank of the sunken ship, forming a hole at one side of the top of the oil tank, connecting and fixing the oil inlet pipe and the mesh electric heater with the oil tank of the sunken ship by using a fixing device, connecting the oil inlet pipe and the oil delivery pipe by using a connecting valve, completing cable connection, and fixedly installing the water inlet pipe at the other side of the oil tank of the sunken ship by using the same method;
electrifying the mesh-shaped electric heater by using an electric power supply device, opening an oil inlet pipe switch valve and an oil outlet pipe pressure reducing valve after fuel oil melts to a certain degree, ventilating air to the oil tank, slowly opening a water inlet pipe switch valve to enable seawater to enter the oil tank to form deep sea-atmospheric pressure difference, and pumping out the fuel oil of the sunken ship;
the pressure reducing valve is utilized to buffer the oil inlet speed, and the oil is safely and efficiently collected to the oil storage cabin.
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| CN202010323143.1A CN111379974A (en) | 2020-04-22 | 2020-04-22 | Electric heating deep sea sunken ship oil pumping device and method |
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| CN202010323143.1A CN111379974A (en) | 2020-04-22 | 2020-04-22 | Electric heating deep sea sunken ship oil pumping device and method |
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| CN107813907A (en) * | 2017-11-27 | 2018-03-20 | 中海石油环保服务（天津）有限公司 | A kind of deep-water subsea well head detergent sprinkling system and its operating method |
| CN110510271A (en) * | 2018-11-16 | 2019-11-29 | 北京高泰深海技术有限公司 | Underwater large-scale oil and water displacement storage Unloading Device and its operating method suitable for marine petroleum development |
| CN212298579U (en) * | 2020-04-22 | 2021-01-05 | 大连海事大学 | Electric heating deep sea sunken ship oil pumping device |
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