CN210912797U

CN210912797U - Overflow oil recovery ship based on through flow system

Info

Publication number: CN210912797U
Application number: CN201921738912.3U
Authority: CN
Inventors: 梁勇; 王乐; 宋文昊; 周志君; 何烨茹
Original assignee: Jiaxing Nanyang Polytechnic Institute
Current assignee: Jiaxing Nanyang Polytechnic Institute
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-07-03
Anticipated expiration: 2029-10-17

Abstract

The utility model provides an oil spill recovery ship based on a through-flow system, which comprises a main ship body, oil spill separation equipment and at least two traction ships; the main ship body comprises an oil spilling inlet positioned at the bow and a water outlet positioned at the stern, and a pipeline for communicating the oil spilling inlet with the water outlet and the oil spilling separation equipment arranged along the extending direction of the pipeline are arranged in the main ship body; an oil containment boom is arranged on the towing ship, floats on the water surface, and one end of the oil containment boom is arranged on one side of the oil spilling inlet close to the stern; the oil spill separation equipment comprises an air floating type separator, a centrifugal separator and a membrane separation device. The oil spill recovery ship has a wide application range, is particularly suitable for oil spills with a large range, can simultaneously block the oil spills from diffusing and has high recovery efficiency.

Description

Overflow oil recovery ship based on through flow system

Technical Field

The utility model relates to an oil spilling retrieves technical field, especially relates to an oil spilling retrieves ship based on link up a class system.

Background

For offshore spilled oil, the currently internationally available treatment methods mainly include physical treatment, chemical treatment and biological treatment. The physical method commonly used comprises the steps of arranging an oil containment boom, using an adsorption material and the like, and the problems that a large amount of oil stains are difficult to be quickly treated in time generally exist in the physical method. And the single-point type spilled oil recovery device is difficult to be put into use on a large scale. Chemical methods often cause secondary environmental pollution. Biological methods, while effective, are costly and slow to produce. In conclusion, the problems that the oil spillage cannot be efficiently collected and separated in real time exist in the modes to a great extent. Therefore, the problems of low oil spill recovery efficiency, high cost and the like generally exist in the conventional oil spill recovery ship.

For example, the patent with application number 201610446787.3 entitled "a tugboat for 30 ten thousand tons wharf and with floating oil recovery function" can be used for pushing and towing and can also be used for recovering the spilled oil through an oil recovery machine, but the traditional spilled oil recovery method is adopted at any time, and the problem of recovery efficiency is not solved. For example, the application number is 201310053073.2, named as 'floating oil spill emergency system', and the ship hull equipment is arranged to fully exert the oil spill processing capacity.

SUMMERY OF THE UTILITY MODEL

The utility model provides a ship is retrieved to oil spilling based on through-flow system, application scope is wide, is particularly useful for the great oil spilling of scope, can block the oil spilling diffusion simultaneously and recovery efficiency is high.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an oil recovery ship based on through-flow system which characterized in that: comprises a main ship body, oil spill separation equipment and at least two towing ships;

the main ship body comprises an oil spilling inlet positioned at the bow and a water outlet positioned at the stern, and a pipeline for communicating the oil spilling inlet with the water outlet and the oil spilling separation equipment arranged along the extending direction of the pipeline are arranged in the main ship body;

an oil containment boom is arranged on the towing ship, floats on the water surface, and one end of the oil containment boom is arranged on one side of the oil spilling inlet close to the stern;

the oil spill separation equipment comprises an air floating type separator, a centrifugal separator and a membrane separation device.

Preferably, a crane for lifting the towing vessel is provided on a deck of the main hull, and the crane is located on a side of the main hull.

Preferably, the towing vessel is an unmanned yacht, and the oil spill area is monitored by satellite remote sensing or an unmanned aerial vehicle.

Preferably, the number of the oil spilling inlets is two, the oil spilling inlets are arranged on the port and the starboard of the bow, a cover plate is arranged at the oil spilling inlets, and the cover plate is hinged to the oil spilling inlets.

Preferably, the stern is provided with a bio-sprayer.

Preferably, the main hull is provided with an oil transportation mechanism, and the oil transportation mechanism comprises an oil transportation arm capable of horizontally rotating and an oil transportation pipe arranged along the oil transportation arm.

Preferably, the main ship body is provided with a double-layer bottom, the pipeline with the rectangular cross section is arranged in the double-layer bottom, and the oil spilling separation equipment and the oil storage bin are arranged on the upper side of the double-layer bottom.

Preferably, the air-floating separator, the centrifugal separator, the membrane separation device, the oil storage bin and the water ballast bin are sequentially arranged from the bow to the stern, and the water ballast bin is communicated with the pipeline.

Preferably, the freeboard height of the oil containment boom is not less than 30cm, and the draught depth is not less than 50 cm.

Preferably, the oil containment boom is provided with an oil spill collecting pipe, the oil spill conveying pipe is provided with an oil stain collecting hole communicated with seawater, and one end of the oil spill collecting pipe is communicated with the pipeline.

To sum up, compare with prior art, the utility model has the advantages of: the oil containment boom is pulled by the towing ship, the towing ship runs before the main ship body and traps and collects oil spillage, the oil spillage can be quickly and efficiently recovered in the first time, the oil spillage is prevented from being diffused to the maximum extent, and great convenience is brought to subsequent work; after the recovered oil spilling mixture is separated by the treatment equipment in the main ship body, water and other impurities are discharged from the water outlet at the rear side of the main ship body, so that real-time collection and real-time treatment are realized, and unnecessary ship cooperation is not needed.

Drawings

FIG. 1 is a front view of the structure of the present invention;

fig. 2 is a top view of the structure of the present invention.

The reference numbers in the figures are as follows:

1. the system comprises a main hull, 11, a bow, 12, an oil spill inlet, 13, a stern, 14, a water outlet, 15, pipelines, 2, an oil spill separation device, 21, an air floating type separator, 22, a centrifugal separator, 23, a membrane separation device, 3, a towboat, 31, an oil containment boom, 4, a crane, 5, an oil conveying mechanism, 51, an oil conveying arm, 52, an oil conveying pipe, 6, an oil storage bin and 7, a ballast water bin.

Detailed Description

The invention will be further described with reference to the following examples in the drawings.

A through-flow system based oil recovery vessel as shown in fig. 1 and 2 comprises a main hull 1, an oil separation apparatus 2 and at least two towboats 3. The main hull 1 comprises an oil spilling inlet 12 positioned on the bow 11 and a water outlet 14 positioned on the stern 13, and a pipeline 15 for communicating the oil spilling inlet 12 and the water outlet 14 and an oil spilling separation device 2 arranged along the extending direction of the pipeline 15 are arranged in the main hull 1. The height of the oil spilling inlet 12 is larger than that of the water outlet, and the height difference between the two is larger than 50 cm. The towing ship 3 is provided with an oil containment boom 31, the oil containment boom 31 floats on the water surface, and one end of the oil containment boom 31 is arranged at one side of the oil spilling inlet 12 close to the stern 13. The oil spill separation device 2 comprises an air-float separator 21, a centrifugal separator 22 and a membrane separation device 23. The oil containment boom 31 is drawn by the towing ship 3, the towing ship 3 runs with the main ship body 1 firstly and traps and collects oil spillage, the oil spillage can be rapidly and efficiently recovered in the first time, the oil spillage diffusion is avoided to the maximum extent, and great convenience is brought to follow-up work. The position of the side of the main hull 1 close to the rear part of the oil spill inlet 12 can be provided with a limiting device for fixing the oil containment boom 31, the limiting device can be arranged on the side in an adsorption manner, and the oil spill can be detached after being recovered. After the recovered oil spilling mixture is separated by the treatment equipment in the main hull 1, water and other impurities are discharged through the water outlet 14 at the rear side of the main hull 1, so that real-time collection and real-time treatment are realized, and no redundant ship is needed for matching.

The deck of the main hull 1 is provided with two cranes 4 for hoisting the towing vessel 3, and the two cranes 4 are positioned on the side of the main hull 1. The tug 3 can be arranged on the hull in the normal driving or mooring situation of the main hull 1, and when reaching the spill area, the tug 3 is hoisted to the sea surface by means of the hoist 4. The towing boat 3 can be an unmanned yacht, an oil spill area is monitored through satellite remote sensing or an unmanned aerial vehicle, oil spill drift is monitored and predicted, and remote control is carried out on the main boat body 1 or other positions to enable the unmanned yacht to tow the oil containment boom 31 to surround and guide oil spill.

The number of the oil spilling inlets 12 is two, the oil spilling inlets are arranged on the port and the starboard of the ship bow 11, the oil spilling inlets 12 are provided with cover plates, and the cover plates are hinged on the oil spilling inlets 12. The cover plate can be turned up towards the upper part of the outer side, and the cover plate is closed in a non-working state so as to reduce ship resistance and avoid the influence of wave load on the structure at the position. When in use, the cover plate is turned over to enable oil spill to enter, and the oil spill inlet 12 is provided with a filter screen to filter garbage with larger volume in seawater.

The stern 13 is provided with a biological sprayer, and after the spilled oil recovery ship finishes recovering spilled oil on the sea surface, biological agents are released from the rear side of the main ship body 1, so that the harm of the spilled oil to the sea is reduced to the maximum extent. Two oil transportation mechanisms 5 are arranged on the main hull 1, and each oil transportation mechanism 5 comprises an oil transportation arm 51 capable of horizontally rotating and an oil transportation pipe 52 arranged along the oil transportation arm 51. The oil in the accident oil tanker is directly extracted, and the end part of the oil conveying arm 51 is provided with a roller to pull the oil conveying pipe 52, so that the oil conveying pipe 52 can stretch. The end of the oil delivery pipe 52 communicates with the oil sump 6 inside the main hull 1.

The main ship body 1 is provided with a double-layer bottom, a pipeline 15 with a rectangular cross section is arranged in the double-layer bottom, and the upper side of the double-layer bottom is provided with an oil spilling separation device 2 and an oil storage bin 6. The height of double-layer bottom is 900mm, and pipeline 15 adaptability designs into square tube structure, when make full use of double-layer bottom space, increases the flow of oil spilling, prevents to block up. An oil storage cabin is used as a storage space after oil spill separation. The ballast water tank is used as a water level control tank, and when the oil spill recovery ship continuously operates and the oil spill storage capacity is continuously increased, the water level control tank discharges seawater in the tank to control the floating state of the ship and ensure that the oil spill inlet 12 is positioned at the sea surface position.

As shown in fig. 1, an air-floating separator 21, a centrifugal separator 22, a membrane separation device 23, an oil storage tank 6, and a ballast water tank 7 are provided in this order from the bow 11 to the stern 13, and the ballast water tank 7 is communicated with a pipeline 15. The oil storage bin 6 and the ballast water bin 7 are located at the rear section of the main hull 1 to balance the oil spilling separation equipment 2 at the front section, when the draft of the main hull 1 is increased, the ballast water in the ballast water bin 7 is discharged into the pipeline 15 to ensure that the hull is at the best draft, and the oil storage bin 6 is close to the middle part of the main hull 1 to facilitate arrangement of the oil delivery pipe 52. The air-floating separator 21 uses a mud scraper to separate oil and water, the oil-spilling mixed liquor in the centrifugal separator 22 carries out secondary separation on the spilled oil through centrifugal action, the further separated oil-spilling mixed liquor enters the membrane separation device 23 through a pipeline to carry out final oil-water separation, and the ocean spilled oil is recovered to the maximum extent after three steps of separation.

The freeboard height of the oil containment boom 31 is not lower than 30cm, and the draught depth is not lower than 50 cm. The change of the wave height is prevented from causing oil spill to cross, and the height of the freeboard is increased along with the increase of the wave height. In one embodiment, the oil containment boom 31 is provided with an oil spill collecting pipe, the oil spill conveying pipe is provided with an oil stain collecting hole communicated with seawater, and one end of the oil spill collecting pipe is communicated with the pipeline 15. While the oil containment boom 31 blocks and collects the spilled oil, the spilled oil close to the oil containment boom 31 is actively collected in a distributed manner, so that the spilled oil close to the oil containment boom is prevented from being collected in a large quantity and leaking out from the upper end or the lower end along the vertical movement under the action of the oil containment boom.

The above description is only for explaining the present invention, so that the person skilled in the art can completely implement the present invention, but not for limiting the present invention, and after reading the present specification, the person skilled in the art can make modifications to the present embodiment as required without inventive contribution, which are all modifications without inventive contribution, but are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an oil recovery ship based on through-flow system which characterized in that: comprises a main hull (1), oil spill separation equipment (2) and at least two towing vessels (3);

the main ship body (1) comprises an oil spilling inlet (12) positioned on a bow (11) and a water outlet (14) positioned on a stern (13), a pipeline (15) for communicating the oil spilling inlet (12) with the water outlet (14) and the oil spilling separation equipment (2) arranged along the extending direction of the pipeline (15) are arranged in the main ship body (1);

an oil containment boom (31) is arranged on the towing boat (3), the oil containment boom (31) floats on the water surface, and one end of the oil containment boom (31) is arranged on one side of the oil spilling inlet (12) close to the stern (13);

the oil spill separation equipment (2) comprises an air floating type separator (21), a centrifugal separator (22) and a membrane separation device (23).

2. The through-flow system-based oil recovery vessel according to claim 1, wherein: the deck of the main ship body (1) is provided with a crane (4) for hoisting the towing ship (3), and the crane (4) is located on the side of the main ship body (1).

3. The through-flow system-based oil recovery vessel according to claim 2, wherein: the towboat (3) is an unmanned yacht, and oil spilling areas are monitored through satellite remote sensing or unmanned aerial vehicles.

4. The through-flow system-based oil recovery vessel according to claim 1, wherein: the number of the oil spilling inlets (12) is two, the oil spilling inlets are arranged on the port side and the starboard side of the bow (11), cover plates are arranged at the oil spilling inlets (12), and the cover plates are hinged to the oil spilling inlets (12).

5. The through-flow system-based oil recovery vessel according to claim 1, wherein: the stern (13) is provided with a biological sprayer.

6. The through-flow system-based oil recovery vessel according to claim 1, wherein: the oil transportation mechanism (5) is arranged on the main hull (1), and the oil transportation mechanism (5) comprises an oil transportation arm (51) capable of horizontally rotating and an oil transportation pipe (52) arranged along the oil transportation arm (51).

7. The through-flow system-based oil recovery vessel according to claim 1, wherein: the main ship body (1) is provided with a double-layer bottom, the pipeline (15) with the rectangular cross section is arranged in the double-layer bottom, and the oil spilling separation equipment (2) and the oil storage bin (6) are arranged on the upper side of the double-layer bottom.

8. The through-flow system-based oil recovery vessel according to claim 1, wherein: the air-floating separator (21), the centrifugal separator (22), the membrane separation device (23), the oil storage bin (6) and the ballast water bin (7) are sequentially arranged from the bow (11) to the stern (13), and the ballast water bin (7) is communicated with the pipeline (15).

9. The through-flow system-based oil recovery vessel according to claim 1, wherein: the freeboard height of the oil containment boom (31) is not lower than 30cm, and the draught depth is not lower than 50 cm.

10. The through-flow system-based oil recovery vessel according to claim 1, wherein: and an oil spill collecting pipe is arranged on the oil containment boom (31), an oil stain collecting hole communicated with seawater is formed in the oil spill collecting pipe, and one end of the oil spill collecting pipe is communicated with the pipeline (15).