Rolling type offshore floating oil collector heated by magnetic induction

Abstract

The utility model discloses a rolling type offshore floating oil collector heated by magnetic induction, which relates to the technical field of offshore spilled oil collecting devices and comprises a driving unit, a horizontal roller, a power supply system, an electromagnetic induction component, a fixed support and an oil collecting tank. A hydrophobic oleophilic layer is arranged on the outer wall of the cylindrical metal frame, the rotating shaft is located at the center axis of the cylindrical metal frame, and the two ends of the cylindrical metal frame are fixedly connected with the rotating shaft. The oil collecting tank is located on the lower side of an inner cavity of the horizontal roller, and the two fixing supports are rotationally arranged on the rotating shaft in a sleeving mode and fixedly connected with the oil collecting tank through connecting frames. The output end of the driving unit is in transmission connection with one end of the rotating shaft, and the electromagnetic induction assembly is located over the horizontal roller. According to the device, the horizontal roller is matched with the induction coil, and through a non-contact magnetic induction heating strategy, the problem that the heating speed of the high-viscosity floating oil is low is solved, so that the collecting effect of the offshore high-viscosity floating oil is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to offshore oil spill collecting device technical field, concretely relates to a kind of rolling offshore oil collector of magnetic induction heating. BACKGROUND

[0002] The water surface oil slick generated by crude oil leakage has the characteristics of large area, thin oil layer and high viscosity, which is difficult to be effectively treated by traditional technology and materials. The oil skimming ship can only handle a very limited area of floating oil with the cooperation of the oil fence, and the recovered floating oil contains a large amount of water; spreading dispersants in the crude oil leakage area can only disperse part of the floating oil into the water, but the formed crude oil emulsion particles still threaten the survival environment of marine organisms; directly igniting the floating oil can cause serious air pollution and oxygen deficiency in the floating oil leakage area. Especially, high-viscosity crude oil has low flowability, which makes it difficult to separate and recover, hindering the oil collection and filtration process of the currently available oil / water separation technology, making the cleaning and recovery of high-viscosity crude oil spill one of the global challenges.

[0003] Chinese patent CN102464381A discloses a method for collecting water surface oil slick, the oil collecting chamber floats on the water surface, and the floating oil is collected through the hydrophobic and oleophilic layer; however, high-viscosity floating oil on the sea is difficult to enter the oil collecting chamber through the hydrophobic and oleophilic layer, resulting in low collection efficiency of the collecting device.

[0004] In view of the problem that high-viscosity floating oil is difficult to separate and recover, the existing technology still has the problems of poor collection effect and slow heating speed, therefore, there is an urgent need to develop a new type of offshore oil collector to realize efficient viscous oil recovery. SUMMARY

[0005] The utility model aims at the defects of the prior art, and provides a kind of rolling offshore oil collector of magnetic induction heating.

[0006] The technical scheme of the utility model is as follows: a kind of rolling offshore oil collector of magnetic induction heating, including drive unit, horizontal roller, power supply system, electromagnetic induction component, fixed support and oil collecting tank, the horizontal roller includes cylindrical metal frame and pivot shaft, the outer wall of the cylindrical metal frame is provided with hydrophobic and oleophilic layer, the pivot shaft is located at the center axis of the cylindrical metal frame, and the two are fixedly connected;The oil collecting tank is located at the lower side of the inner cavity of horizontal roller, a plurality of fixed supports are rotatably sleeved on the pivot shaft, and are all fixedly connected with the oil collecting tank through connecting frame;

[0007] The drive unit and the power supply system are located on the ship body, the output end of the drive unit is in transmission connection with one end of the pivot shaft, and the power supply system is electrically connected with the electromagnetic induction component;The electromagnetic induction component is located directly above the horizontal roller, and is connected with the ship body through the support.

[0008] Preferably, a support net made of stainless steel is arranged between the cylindrical metal frame and the hydrophobic and oleophilic layer, the support net is wrapped and fixed on the cylindrical metal frame, and the outer wall of the support net is wrapped with the hydrophobic and oleophilic layer.

[0009] Preferably, the hydrophobic and oleophilic layer is a graphene modified polyurethane sponge.

[0010] Preferably, a bearing is arranged in the fixing support, and the fixing support is sleeved on the rotating shaft through the bearing.

[0011] Preferably, the oil collecting tank is a semi-cylindrical tank, and the outer diameter of the semi-cylindrical tank is smaller than the inner diameter of the horizontal roller.

[0012] Preferably, the driving unit comprises a main shaft motor and a gearbox, the input end of the gearbox is connected with the main shaft motor, and the output shaft of the gearbox is connected with one end of the rotating shaft through a universal joint.

[0013] Preferably, the electromagnetic induction assembly comprises an insulator frame, and a plurality of induction coils are uniformly arranged on the insulator frame.

[0014] Preferably, the induction coil is in a spiral shape, and the material of the induction coil is red copper; and the plurality of induction coils are arranged in a linear array on the insulator frame.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] The device adopts the horizontal roller and the induction coil in cooperation, solves the problem of slow heating speed of high-viscosity floating oil through the non-contact magnetic induction heating strategy, and thus improves the collection effect of offshore high-viscosity floating oil.

[0017] The hydrophobic and oleophilic characteristics of graphene are integrated into the porous oil-absorbing material, the adsorption speed of the material to high-viscosity floating oil is greatly improved under the condition of maintaining high oil-water separation efficiency.

[0018] The device can adhere floating oil to the bottom surface through the horizontal roller, contact with cold seawater, and heat and separate viscous oil-water mixture in the top heating area, so that the viscosity of oil is greatly reduced, and efficient viscous oil recovery can be realized. The induction heating applied to the top of the horizontal roller has unique advantages, including super-fast, non-contact and controllable heating, and is suitable for offshore harsh environment. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is a sectional view of A-A; Figure 1

[0021] Figure 3 ​It is a top view of the electromagnetic induction assembly.

[0022] In the figure: 1, cylindrical metal frame, 2, hydrophobic oleophilic layer, 3, rotating shaft, 4, fixed support, 5, bearing, 6, oil collecting tank, 7, connecting frame, 8, main shaft motor, 9, gearbox, 10, universal coupling, 11, power supply system, 12, insulator frame, 13, induction coil. DETAILED DESCRIPTION

[0023] The following is further illustrated in combination with the drawings and embodiments. Embodiment one

[0024] Referring to Figures 1-2 As shown in the figure, a magnetic induction heating rolling type offshore floating oil collector comprises a driving unit, a horizontal roller, a power supply system 11, an electromagnetic induction assembly, a fixed support 4 and an oil collecting tank 6, the horizontal roller comprises a cylindrical metal frame 1 and a rotating shaft 3, the outer wall of the cylindrical metal frame 1 is provided with a hydrophobic oleophilic layer 2, the rotating shaft 3 is located at the central axis of the cylindrical metal frame 1, and the two ends of the cylindrical metal frame 1 are fixedly connected with the rotating shaft 3; the oil collecting tank 6 is located at the lower side of the inner cavity of the horizontal roller, two fixed supports 4 are rotatably sleeved on the rotating shaft 3 and are fixedly connected with the oil collecting tank 6 through connecting frames 7, and the oil collecting tank 6 does not rotate with the rotating shaft 3.

[0025] The driving unit and the power supply system 11 are both located on the ship body, the output end of the driving unit is in transmission connection with one end of the rotating shaft 3, and the power supply system 11 is electrically connected with the electromagnetic induction assembly; the electromagnetic induction assembly is located directly above the horizontal roller and is fixed on the ship body through a support.

[0026] More specifically, the fixed support 4 is internally provided with a bearing 5, and is sleeved on the rotating shaft 3 through the bearing 5. The oil collecting tank 6 is semicylindrical, and the outer diameter thereof is smaller than the inner diameter of the horizontal roller.

[0027] In use, the horizontal roller is located on the sea surface, the driving unit on the ship drives the rotation of the horizontal roller, and at the same time, the power supply system 11 supplies power to the electromagnetic induction assembly, so that the electromagnetic induction assembly generates an induction magnetic field. When the top of the horizontal roller passes through, the magnetic force line is cut, the temperature is increased, the viscosity of the floating oil is greatly reduced, the flowability is increased, and the floating oil with reduced viscosity drops through the hydrophobic oleophilic layer 2 into the oil collecting tank 6 below. Embodiment two

[0028] As a preferred embodiment of the utility model, the embodiment selects the hydrophobic oleophilic layer 2 on the basis of embodiment one, specifically:

[0029] The hydrophobic oleophilic layer 2 of the embodiment is a graphene modified polyurethane sponge.

[0030] The preparation process of the outer layer graphene modified polyurethane sponge is as follows: the polyurethane sponge is soaked in a reduced graphene solution with a concentration of 5-30 mg / mL, the polyurethane sponge after immersion coating is placed in an oven for drying at 80 DEG C, and the process is repeated for 2-6 times. Then the graphene-polyurethane sponge is soaked in a polydimethylsiloxane (PDMS) solution with a concentration of 0.1-0.5 mg / mL, and dried for 3 hours to obtain the graphene modified polyurethane sponge, which has a water contact angle of 140-160 degrees and good hydrophobic and oleophilic properties. Example three

[0031] As a preferred embodiment of the utility model, the embodiment adds a universal joint 10 on the basis of example two, specifically:

[0032] In the embodiment, the driving unit includes a main shaft motor 8 and a gearbox 9, the input end of the gearbox 9 is connected with the main shaft motor 8, and the output shaft of the gearbox 9 is connected with one end of the rotating shaft 3 through the universal joint 10.

[0033] The gearbox 9 has a variable speed pull rod which can manually adjust the rotating speed, and the universal joint 10 functions to ensure the normal transmission of power between the gearbox 9 and the horizontal roller when the horizontal roller contacts with the sea oil slick and the sea waves fluctuate and toss. Example four

[0034] As a preferred embodiment of the utility model, the embodiment adds a support net on the basis of example three, specifically:

[0035] In the embodiment, a support net made of stainless steel is arranged between the cylindrical metal frame 1 and the hydrophobic oleophilic layer 2, the support net is wrapped and fixed on the cylindrical metal frame 1, and the outer wall of the support net is wrapped with the hydrophobic oleophilic layer 2.

[0036] The stainless steel support net can provide stable support for the graphene modified polyurethane sponge, slow down the impact of seawater on the graphene modified polyurethane sponge, and help to prolong the service life of the graphene modified polyurethane sponge. Example five

[0037] As a preferred embodiment of the utility model, the embodiment designs the structure of the electromagnetic induction assembly on the basis of example four, specifically:

[0038] Referring to Figure 3 In the embodiment, the electromagnetic induction assembly includes an insulator frame 12, and a plurality of induction coils 13 are uniformly distributed on the insulator frame 12.

[0039] More specifically, the induction coil 13 is spiral-shaped and made of red copper; and the plurality of induction coils 13 are installed on the insulator frame 12 in a linear array.

[0040] The linearly arranged induction coil 13 can uniformly heat the top of the horizontal roller, which helps to improve the collection effect of the offshore floating oil.

[0041] In summary, the device uses a horizontal roller in cooperation with an induction coil 13 to solve the problem of slow heating speed for high-viscosity floating oil through a non-contact magnetic induction heating strategy, thereby improving the collection effect of offshore high-viscosity floating oil.

[0042] The hydrophobic and oleophilic properties of graphene are integrated into the porous oil-absorbing material, which greatly improves the adsorption speed of the material for high-viscosity floating oil while maintaining high oil-water separation efficiency.

[0043] The device can adhere floating oil to the bottom surface by the horizontal roller, contact with cold seawater, and heat the viscous oil-water mixture in the top heating area, at which time the viscosity of the oil is greatly reduced, enabling efficient viscous oil recovery. The induction heating applied to the top of the horizontal roller has unique advantages, including ultra-fast, non-contact, and controllable heating, which is suitable for harsh offshore environments.

[0044] The utility model is not limited to the above-mentioned implementation, within the knowledge range of the person skilled in the art, still can make various changes under the premise of not departing from the utility model's purpose, the changed content still belongs to the protection range of the utility model.

Claims

1. A magnetically induced heated rolling offshore oil skimmer, characterized by: The utility model relates to a horizontal roller type oil collecting device, which comprises a driving unit, a horizontal roller, a power supply system, an electromagnetic induction assembly, a fixing support and an oil collecting tank. The driving unit and the power supply system are located on the ship body, the output end of the driving unit is in transmission connection with one end of the rotating shaft, and the power supply system is in electrical connection with the electromagnetic induction assembly.

2. A magnetically induced heating, rolling, offshore, floating, oil skimmer according to claim 1, characterized in that: The cylindrical metal frame and the hydrophobic oleophilic layer are provided with a stainless steel supporting net therebetween, which is wrapped and fixed on the cylindrical metal frame and has a hydrophobic oleophilic layer wrapped on its outer wall.

3. A magnetically induced heating, rolling, offshore, floating, oil skimmer according to claim 1, characterized in that: The fixing support is internally provided with a bearing, which is sleeved on the rotating shaft through the bearing.

4. A magnetically induced heating, rolling, offshore, floating, oil skimmer according to claim 1, characterized in that: The oil collecting tank is semicylindrical, and its outer diameter is smaller than the inner diameter of the horizontal roller.

5. A magnetically induced heating, rolling, offshore, floating, oil skimmer according to claim 1, characterized in that: The driving unit comprises a main shaft motor and a gearbox, the input end of the gearbox is connected with the main shaft motor, and the output shaft of the gearbox is connected with one end of the rotating shaft through a universal joint.

6. A magnetically induced heating, rolling, offshore, floating, oil skimmer according to claim 1, characterized in that: The electromagnetic induction assembly comprises an insulator frame, and a plurality of induction coils are uniformly distributed on the insulator frame.

7. A magnetically induced heating, rolling, offshore, floating, oil skimmer according to claim 6, characterized in that: The induction coil is in the shape of a spiral and is made of red copper; and a plurality of the induction coils are installed on the insulator frame in a linear array.

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