CN111042077A - Floating type comprehensive treatment device and method for offshore oilfield sewage - Google Patents
Floating type comprehensive treatment device and method for offshore oilfield sewage Download PDFInfo
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- CN111042077A CN111042077A CN201911268700.8A CN201911268700A CN111042077A CN 111042077 A CN111042077 A CN 111042077A CN 201911268700 A CN201911268700 A CN 201911268700A CN 111042077 A CN111042077 A CN 111042077A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/10—Devices for removing the material from the surface
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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
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Abstract
The invention discloses a floating type offshore oilfield sewage comprehensive treatment device, which comprises a floating main body, a power assembly, an oil stain collection assembly, a sewage treatment assembly and a power supply device, wherein a winch is arranged in the floating main body and is connected with a balancing weight; the invention has reasonable structural design, can effectively reduce the oil stain content in the sea and promote ecological development.
Description
Technical Field
The invention relates to the technical field of sea surface oil stain treatment, in particular to a floating type comprehensive treatment device and method for marine oilfield sewage.
Background
In recent years, the development of marine oil is deepened continuously, the development and production technology of the marine oil is improved continuously, and the yield of oil fields is also improved obviously; the frequent occurrence of leakage accidents of crude oil or heavy oil at sea causes marine pollution and harm to marine organisms, and becomes a significant problem for generating world attention. Oil spills into the sea and quickly diffuses at the water surface and isolates the seawater from oxygen exchange with the air. Under the action of wind waves, part of the oil can form oil water with water.
In the prior art, the marine oil pollution treatment device mainly utilizes an oil-water separator to collect and treat oil pollution, but in the application process, the device has poor mobility and flexibility, so that the treatment efficiency of the device is not high; in addition, the traditional oil-water separator has great limitation when in use, can not comprehensively collect the oil stains in the seawater, and is not easy to clean.
Disclosure of Invention
Aiming at the technical problems, the invention provides the floating type comprehensive treatment device for the offshore oilfield sewage, which can effectively reduce ecological damage and has high treatment efficiency.
The technical scheme of the invention is as follows: a floating type comprehensive treatment device for offshore oilfield sewage comprises a floating main body, a power assembly, an oil stain collecting assembly, a sewage treatment assembly and a power supply device, wherein the floating main body is hollow, a deck is arranged at the upper end of the floating main body, a winch is arranged in the floating main body, and the winch is connected with a balancing weight through a steel cable; the power assembly comprises four driving impellers and four impeller motors, the four driving impellers are uniformly arranged on two sides of the bottom of the floating main body in pairs, the impeller motors are arranged in the floating main body, and the impeller motors provide power for the driving impellers; the oil stain collecting component comprises an oil displacement component, an oil stain scraper blade, an oil collecting tank, an oil stain collecting box and a driving motor, wherein the oil displacement component is fixedly arranged at the head end of the floating main body through a bolt; the sewage treatment component comprises an oil-eliminating agent storage tank and a feeding pipe, the oil-eliminating agent storage tank is fixedly arranged on the deck, a chemical oil-eliminating agent is arranged in the oil-eliminating agent storage tank, the feeding pipe is fixedly arranged at the tail end of the floating main body, the feeding pipe is connected with the oil-eliminating agent storage tank through a connecting pipe, an intermittent feeding member is arranged on the connecting pipe, the intermittent feeding member is connected with the oil displacement member through a pull rod, and the intermittent feeding member is controlled to intermittently feed the chemical oil-eliminating agent into the oil field sewage along with the rotation of the oil displacement member; the power supply device provides power for the winch, the impeller motor, the suction pump and the driving motor.
Further, the displacement of reservoir oil component includes fixed axle and displacement of reservoir oil board, the fixed axle both ends are passed through the bearing frame and are set up in floating the main part, be provided with connecting gear and curved bar on the fixed axle, connecting gear passes through the chain and is connected with drive gear, the curved bar rotates with the pull rod to be connected, the displacement of reservoir oil board is discoid structure, the displacement of reservoir oil board is docked on the fixed axle, the both sides of displacement of reservoir oil board are provided with the aquogel fibrous layer through the buckle, through setting up the aquogel fibrous layer, the aquogel fibrous layer has good hydrophobic oleophylic effect, can effectively absorb the greasy dirt in the sea water, and scrape to the oil trap in with the aquogel fibrous layer absorbing greasy dirt through.
Furthermore, the oil displacement plate is provided with 4, and 4 oil displacement plates equidistance setting are on the fixed axle, and the quantity of greasy dirt scraper blade corresponds unanimously with the quantity of oil displacement plate, through setting up 4 oil displacement plates, has improved the absorptive capacity of aquogel fibrous layer to greasy dirt in the sea water greatly, has improved the treatment effeciency of ocean greasy dirt.
Furthermore, the intermittent throwing component comprises a shell, a throwing plate and a guide groove plate, the shell is communicated with the connecting pipe, the throwing plate comprises a first semicircular part and a second semicircular part, the first semicircular part is clamped with the shell, the first semicircular part is hollow inside, the second semicircular part is hinged to the first semicircular part and can rotate into a cavity of the first semicircular part, the first semicircular part and the second semicircular part are movably hinged with connecting rods, pulleys are arranged at the end parts of the two connecting rods, the guide groove plate is movably clamped with the two pulleys, and the guide groove plate is connected with the pull rod; when the fixed shaft rotates, the crank rod is driven to rotate, the pull rod pulls the first semicircular part and the second semicircular part to open and close intermittently, the chemical oil eliminating agent in the oil eliminating agent storage tank is put into the blood activating oil eliminating agent in the polluted water through the putting pipe, waste of the chemical oil eliminating agent is reduced, and the treatment effect of marine oil stains is improved.
Further, the greasy dirt scraper blade comprises two L type sheets that set up relatively, the tip of two L type sheets all is provided with the bolt, two L type sheets pass through the bolt connection on same sleeve pipe, and all overlap on two bolts and be equipped with pressure spring, pressure spring one end and bolt tip butt, the other end and sleeve pipe butt, one side that two L type sheets are relative is provided with the arc scraper blade, through setting up pressure spring, make two L type sheets hug closely the aquogel fibrous layer on the oil drive board all the time, and then can strike off absorbent greasy dirt thoroughly in the aquogel fibrous layer.
Furthermore, the oil collecting plate and the oil stain scraper are obliquely arranged, so that the oil stain quickly flows into the oil collecting tank, secondary leakage of the oil stain is avoided, and the treatment efficiency of the oil stain is improved.
Furthermore, the chemical oil-eliminating agent is a mixture consisting of polysorbate, ethylene glycol monobutyl ether, alkyl glycoside and deionized water according to the volume ratio of 1:2:0.5:16, and the chemical oil-eliminating agent in the proportion can quickly decompose oil stains in the ocean, is low in toxicity and high in biodegradability, and has the advantages of low cost and small secondary pollution.
A floating type comprehensive treatment method for offshore oilfield sewage comprises the following steps:
the method comprises the following steps: switching on a power supply device, driving an impeller to rotate through an impeller motor, moving the device to a polluted water area, and lowering a balancing weight to the deep ocean through a winch to enable the device to be in a suspension state;
step two: starting a driving motor, driving the fixed shaft to rotate by the driving motor through a chain, starting an oil driving plate on the fixed shaft to rotate, and adsorbing oil stains floating in seawater by a hydrogel fiber layer arranged on the oil driving plate; scraping off oil stains adsorbed on the hydrogel fiber layer under the action of an arc scraper in the rotation process of the oil displacement plate, feeding the scraped oil stains into an oil collecting tank along the oil collecting plate, and finally feeding the oil stains into an oil stain collecting box along a conveying pipe for collection under the action of a suction pump;
step three: in the rotating process of the fixed shaft, the curved rod on the fixed shaft rotates along with the fixed shaft, the first semicircular part and the second semicircular part are connected with the pull rod under the action of the connecting rod and the guide groove plate, the pull rod pulls the first semicircular part and the second semicircular part to open and close intermittently along with the rotation of the curved rod, and the blood activating and oil eliminating agent is put into the polluted water through the putting pipe in the oil eliminating agent storage tank.
Step four: after the treatment is finished, the counterweight block is pulled up again by the winch, and the moving device moves to the next polluted water area to treat the oil stain.
Compared with the prior art, the invention has the beneficial effects that: the floating body is provided with the power assembly, so that the flexibility and the maneuverability of the device are greatly improved, the treatment range of the marine oil stains is wider and more comprehensive, and the treatment efficiency of the marine oil stains is improved; according to the invention, the marine oil stain is treated in a dual mode of oil displacement by adopting the hydrogel fiber layer to adsorb the oil stain and the oil dispersant, so that the oil stain treatment is more thorough, the oil stain in the sea is adsorbed by utilizing the hydrophobic and oleophilic characteristics of the hydrogel fiber layer, the oil stain is collected after being scraped by the oil stain scraper, the hydrogel fiber layer after the oil stain is scraped can be repeatedly used, the cost is greatly saved, the oil stain is decomposed and dispersed by the oil dispersant, and the marine oil stain treatment method has the advantages of low toxicity, high biodegradability and small secondary pollution.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic structural view of the oil displacement plate of the present invention;
FIG. 4 is a schematic view of the construction of the oil scraper of the present invention;
FIG. 5 is a schematic view of the connection of the L-shaped sheet to the sleeve of the present invention;
FIG. 6 is a schematic structural view of the intermittent dispensing member of the present invention;
FIG. 7 is a schematic view of the connection of the first half and the second half of the present invention;
wherein, 1-a floating body, 10-a deck, 11-a windlass, 110-a steel cable, 12-a balancing weight, 2-a power component, 20-a driving impeller, 21-an impeller motor, 3-an oil stain collecting component, 30-an oil displacement component, 300-a fixed shaft, 3000-a connecting gear, 3001-a curved rod, 301-an oil displacement plate, 3010-a buckle, 3011-a hydrogel fiber layer, 302-a bearing seat, 31-an oil stain scraper, 310-L type thin plate, 311-a sleeve, 312-a pressure spring, 313-an arc scraper, 314-a fixed rod, 32-an oil collecting tank, 320-an oil collecting plate, 33-an oil stain collecting box, 330-a conveying pipe, 331-a suction pump, 34-a driving motor, 340-a driving gear, 340-an oil stain collecting, 341-chain, 4-sewage treatment component, 40-oil-eliminating agent storage tank, 41-throwing pipe, 42-connecting pipe, 43-intermittent throwing member, 430-pull rod, 431-shell, 432-throwing plate, 4320-semicircle part I, 4321-semicircle part II, 4322-connecting rod, 4323-pulley connection and 433-guide groove plate.
Detailed Description
Example 1: as shown in fig. 1, the floating type comprehensive treatment device for offshore oilfield sewage comprises a floating main body 1, a power assembly 2, an oil stain collecting assembly 3, a sewage treatment assembly 4 and a power supply device, wherein the floating main body 1 is hollow, a deck 10 is arranged at the upper end of the floating main body 1, a winch 11 is arranged in the floating main body 1, and the winch 11 is connected with a balancing weight 12 through a steel cable 110; the winch 11 adopts a JM type electric winch produced by Henan Feng strong mechanical equipment limited company;
as shown in fig. 1 and 2, the power assembly 2 includes four driving impellers 20 and four impeller motors 21, the four driving impellers 20 are uniformly arranged on two sides of the bottom of the floating main body 1 in pairs, the impeller motors 21 are arranged in the floating main body 1, and the impeller motors 21 provide power for the driving impellers 20; the impeller motor 21 adopts a three-phase asynchronous motor produced by Sanyang electromechanical Co., Ltd, Huangshan city;
as shown in fig. 1, 2, 3, 4 and 5, the oil collecting assembly 3 includes an oil displacement member 30, oil scraping plates 31, an oil collecting tank 32, an oil collecting box 33 and a driving motor 34, the oil displacement member 30 includes a fixed shaft 300 and oil displacement plates 301, two ends of the fixed shaft 300 are disposed on the floating body 1 through bearing seats 302, the fixed shaft 300 is provided with a connecting gear 3000 and a curved rod 3001, the connecting gear 3000 is connected with a driving gear 340 through a chain 341, the curved rod 3001 is rotatably connected with a pull rod 430, the oil displacement plates 301 are disc-shaped, the oil displacement plates 301 are provided with 4 oil displacement plates 301, the 4 oil displacement plates 301 are equidistantly disposed on the fixed shaft 300, the number of the oil scraping plates 31 is corresponding to the number of the oil displacement plates 301, by disposing the 4 oil displacement plates 301, the absorption capacity of the hydrogel fiber layer 3011 to the oil in the seawater is greatly improved, the treatment efficiency of the marine oil contamination is improved, the hydrogel fiber layers 3011 are disposed, by arranging the hydrogel fiber layer 3011, the hydrogel fiber layer 3011 has good hydrophobic and oleophilic effects, can effectively absorb oil stains in seawater, and scrapes the oil stains absorbed in the hydrogel fiber layer 3011 into the oil collecting tank 32 through the oil stain scraper 31, so that the marine environment treatment effect is greatly improved; the driving motor 34 is arranged on the deck 1, and the driving motor 34 adopts YP series direct current speed reducing motors produced by Changzhou Yompy electromechanical technology limited company; the output shaft of the driving motor 34 is provided with a driving gear 340, the driving gear 340 and the oil displacement member 30 are driven by a chain 341, the oil stain scraper 31 is composed of two oppositely arranged L-shaped thin plates 310, the end parts of the two L-shaped thin plates 310 are both provided with bolts, the two L-shaped thin plates 310 are connected on the same sleeve 311 by the bolts, and the two bolts are both sleeved with a pressure spring 312, one end of the pressure spring 312 is abutted against the end part of the bolt, the other end is abutted against the sleeve 311, one side of the two L-shaped thin plates 310 opposite is provided with an arc scraper 313, the two L-shaped thin plates 310 are always tightly attached to the hydrogel fiber layer 3011 on the oil displacement plate 301 by arranging the pressure spring 312, so that the oil stain adsorbed in the hydrogel fiber layer 3011 can be thoroughly scraped, the oil stain scraper 31 is fixedly connected with the deck 10 by, the oil collecting tank 32 is fixedly arranged in the floating main body 1, the oil collecting tank 32 is provided with an oil collecting plate 320, the oil collecting plate 320 extends to the lower part of the oil stain scraper 31 and is abutted against the oil stain scraper 31, the oil stain collecting box 33 is fixedly arranged on the deck 10, the oil stain collecting box 33 is connected with the oil collecting tank 32 through a conveying pipe 330, a suction pump 331 is arranged at the joint, and the suction pump 331 adopts an FSZ-Z (K) type anticorrosion self-suction pump produced by Yixing Yus pump industry Limited; the oil collecting plate 320 and the oil stain scraper 31 are obliquely arranged, so that the ocean oil stains can flow into the oil collecting groove 32 quickly, secondary leakage of the oil stains is avoided, and the treatment efficiency of the ocean oil stains is improved;
as shown in fig. 1, 6 and 7, the sewage treatment component 4 comprises an oil-eliminating agent storage tank 40 and a throwing pipe 41, wherein the oil-eliminating agent storage tank 40 is fixedly arranged on the deck 10, and a chemical oil-eliminating agent is arranged inside the oil-eliminating agent storage tank 40 and is a commercially available ZX-GM-2 type oil spill dispersant; the throwing pipe 41 is fixedly arranged at the tail end of the floating main body 1, the throwing pipe 41 is connected with the oil dispersant storage tank 40 through a connecting pipe 42, an intermittent throwing member 43 is arranged on the connecting pipe 42, the intermittent throwing member 43 comprises a shell 431, a throwing plate 432 and a guide groove plate 433, the shell 431 is communicated with the connecting pipe 42, the throwing plate 432 comprises a first semicircular part 4320 and a second semicircular part 4321, the first semicircular part 4320 is clamped with the shell 430, the first semicircular part 4320 is hollow inside, the second semicircular part 4321 is hinged on the first semicircular part 4320, the second semicircular part 4321 can rotate into a cavity of the first semicircular part 4320, the first semicircular part 4320 and the second semicircular part 4321 are movably hinged with connecting rods 4322, pulleys 4323 are arranged at the end parts of the two connecting rods 4322, the guide groove plate 433 is movably clamped with the two pulleys 4323, and the guide groove plate 433 is connected with the pull rod 430; when the fixed shaft 300 rotates, the crank 3001 is driven to rotate, so that the pull rod 430 pulls the first semicircular part 4320 and the second semicircular part 4321 to open and close intermittently, the blood activating and oil eliminating agent is put into the polluted water area through the putting pipe 41 by the chemical oil eliminating agent in the oil eliminating agent storage tank 40, the waste of the chemical oil eliminating agent is reduced, and the treatment effect of marine oil stains is improved; the power supply device supplies power to the winch 11, the impeller motor 21, the suction pump 331 and the drive motor 34.
A floating type comprehensive treatment method for offshore oilfield sewage comprises the following steps:
the method comprises the following steps: switching on a power supply device, driving the impeller 20 to rotate by driving the impeller motor 21, moving the device to a polluted water area, and lowering the counterweight block 12 to the deep ocean by the winch 11 to enable the device to be in a suspension state;
step two: starting the driving motor 34, driving the fixing shaft 300 to rotate by the driving motor 34 through the chain 341, starting the oil driving plate 301 on the fixing shaft 300 to rotate, and adsorbing the oil stains floating in the seawater by the hydrogel fiber layer 3011 arranged on the oil driving plate 301; in the rotation process of the oil driving plate 301, under the action of the arc-shaped scraper 313, the oil stains adsorbed on the hydrogel fiber layer 3011 are scraped, the scraped oil stains enter the oil collecting tank 32 along the oil collecting plate 320, and finally enter the oil stain collecting box 33 along the conveying pipe 330 for collection under the action of the suction pump 331;
step three: in the rotating process of the fixed shaft 300, the curved rod 3001 on the fixed shaft 300 rotates along with the fixed shaft, the first semicircular part 4320 and the second semicircular part 4321 are connected with the pull rod 430 under the action of the connecting rod 4322 and the guide groove plate 433, the pull rod 430 pulls the first semicircular part 4320 and the second semicircular part 4321 to open and close intermittently along with the rotation of the curved rod 3001, and the blood activating and oil eliminating agent is thrown into the polluted water area through the throwing pipe 41 by the chemical oil eliminating agent in the oil eliminating agent storage tank 40.
Step four: after the treatment, the counterweight block 12 is pulled up again by the winch 11, and the moving device moves to the next polluted water area to treat the oil stain.
Example 2: as shown in fig. 1, the floating type comprehensive treatment device for offshore oilfield sewage comprises a floating main body 1, a power assembly 2, an oil stain collecting assembly 3, a sewage treatment assembly 4 and a power supply device, wherein the floating main body 1 is hollow, a deck 10 is arranged at the upper end of the floating main body 1, a winch 11 is arranged in the floating main body 1, and the winch 11 is connected with a balancing weight 12 through a steel cable 110; the winch 11 adopts a JM type electric winch produced by Henan Feng strong mechanical equipment limited company;
as shown in fig. 1 and 2, the power assembly 2 includes four driving impellers 20 and four impeller motors 21, the four driving impellers 20 are uniformly arranged on two sides of the bottom of the floating main body 1 in pairs, the impeller motors 21 are arranged in the floating main body 1, and the impeller motors 21 provide power for the driving impellers 20; the impeller motor 21 adopts a three-phase asynchronous motor produced by Sanyang electromechanical Co., Ltd, Huangshan city;
as shown in fig. 1, 2, 3, 4 and 5, the oil collecting assembly 3 includes an oil displacement member 30, oil scraping plates 31, an oil collecting tank 32, an oil collecting box 33 and a driving motor 34, the oil displacement member 30 includes a fixed shaft 300 and oil displacement plates 301, two ends of the fixed shaft 300 are disposed on the floating body 1 through bearing seats 302, the fixed shaft 300 is provided with a connecting gear 3000 and a curved rod 3001, the connecting gear 3000 is connected with a driving gear 340 through a chain 341, the curved rod 3001 is rotatably connected with a pull rod 430, the oil displacement plates 301 are disc-shaped, the oil displacement plates 301 are provided with 4 oil displacement plates 301, the 4 oil displacement plates 301 are equidistantly disposed on the fixed shaft 300, the number of the oil scraping plates 31 is corresponding to the number of the oil displacement plates 301, by disposing the 4 oil displacement plates 301, the absorption capacity of the hydrogel fiber layer 3011 to the oil in the seawater is greatly improved, the treatment efficiency of the marine oil contamination is improved, the hydrogel fiber layers 3011 are disposed, by arranging the hydrogel fiber layer 3011, the hydrogel fiber layer 3011 has good hydrophobic and oleophilic effects, can effectively absorb oil stains in seawater, and scrapes the oil stains absorbed in the hydrogel fiber layer 3011 into the oil collecting tank 32 through the oil stain scraper 31, so that the marine environment treatment effect is greatly improved; the driving motor 34 is arranged on the deck 1, and the driving motor 34 adopts YP series direct current speed reducing motors produced by Changzhou Yompy electromechanical technology limited company; the output shaft of the driving motor 34 is provided with a driving gear 340, the driving gear 340 is in transmission with the oil displacement member 30 through a chain 341, the oil stain scraper 31 is composed of two oppositely arranged L-shaped thin plates 310, the end parts of the two L-shaped thin plates 310 are connected through a sleeve 311, the end parts of the two L-shaped thin plates 310 are both sleeved with a pressure spring 312, one end of the pressure spring 312 is abutted against the L-shaped thin plate 310, the other end of the pressure spring 312 is abutted against the sleeve 311, one opposite side of the two L-shaped thin plates 310 is provided with an arc scraper 313, the two L-shaped thin plates 310 are always tightly attached to the hydrogel fiber layer 3011 on the oil displacement plate 301 through the arrangement of the pressure spring 312, so that oil stains adsorbed in the hydrogel fiber layer 3011 can be thoroughly scraped, the oil stain scraper 31 is fixedly connected with the deck 10 through a fixing rod 314, the oil, the oil collecting tank 32 is provided with an oil collecting plate 320, the oil collecting plate 320 extends to the lower part of the oil stain scraper 31 and is abutted against the oil stain scraper 31, the oil stain collecting box 33 is fixedly arranged on the deck 10, the oil stain collecting box 33 is connected with the oil collecting tank 32 through a conveying pipe 330, a suction pump 331 is arranged at the joint, and the suction pump 331 adopts an FSZ-Z (K) type anti-corrosion self-suction pump produced by Yixing Zeus pump industry limited company; the oil collecting plate 320 and the oil stain scraper 31 are obliquely arranged, so that the ocean oil stains can flow into the oil collecting groove 32 quickly, secondary leakage of the oil stains is avoided, and the treatment efficiency of the ocean oil stains is improved;
as shown in fig. 1, 6 and 7, the sewage treatment component 4 comprises an oil-eliminating agent storage tank 40 and a throwing pipe 41, wherein the oil-eliminating agent storage tank 40 is fixedly arranged on the deck 10, a chemical oil-eliminating agent is arranged inside the oil-eliminating agent storage tank 40, the chemical oil-eliminating agent is a mixture of polysorbate, ethylene glycol monobutyl ether, alkyl glycoside and deionized water according to the volume ratio of 1:2:0.5:16, and the chemical oil-eliminating agent in the proportion can quickly decompose oil stains in the sea, is low in toxicity and high in biodegradability and has the advantages of low cost and small secondary pollution; the throwing pipe 41 is fixedly arranged at the tail end of the floating main body 1, the throwing pipe 41 is connected with the oil dispersant storage tank 40 through a connecting pipe 42, an intermittent throwing member 43 is arranged on the connecting pipe 42, the intermittent throwing member 43 comprises a shell 431, a throwing plate 432 and a guide groove plate 433, the shell 431 is communicated with the connecting pipe 42, the throwing plate 432 comprises a first semicircular part 4320 and a second semicircular part 4321, the first semicircular part 4320 is clamped with the shell 430, the first semicircular part 4320 is hollow inside, the second semicircular part 4321 is hinged on the first semicircular part 4320, the second semicircular part 4321 can rotate into a cavity of the first semicircular part 4320, the first semicircular part 4320 and the second semicircular part 4321 are movably hinged with connecting rods 4322, pulleys 4323 are arranged at the end parts of the two connecting rods 4322, the guide groove plate 433 is movably clamped with the two pulleys 4323, and the guide groove plate 433 is connected with the pull rod 430; when the fixed shaft 300 rotates, the crank 3001 is driven to rotate, so that the pull rod 430 pulls the first semicircular part 4320 and the second semicircular part 4321 to open and close intermittently, the blood activating and oil eliminating agent is thrown into the polluted water area through the throwing pipe 41 by the chemical oil eliminating agent in the oil eliminating agent storage tank 40, the waste of the chemical oil eliminating agent is reduced, and the treatment effect of marine oil stains is improved; the power supply device supplies power to the winch 11, the impeller motor 21, the suction pump 331 and the drive motor 34.
A floating type comprehensive treatment method for offshore oilfield sewage comprises the following steps:
the method comprises the following steps: switching on a power supply device, driving the impeller 20 to rotate by driving the impeller motor 21, moving the device to a polluted water area, and lowering the counterweight block 12 to the deep ocean by the winch 11 to enable the device to be in a suspension state;
step two: starting the driving motor 34, driving the fixing shaft 300 to rotate by the driving motor 34 through the chain 341, starting the oil driving plate 301 on the fixing shaft 300 to rotate, and adsorbing the oil stains floating in the seawater by the hydrogel fiber layer 3011 arranged on the oil driving plate 301; in the rotation process of the oil driving plate 301, under the action of the arc-shaped scraper 313, the oil stains adsorbed on the hydrogel fiber layer 3011 are scraped, the scraped oil stains enter the oil collecting tank 32 along the oil collecting plate 320, and finally enter the oil stain collecting box 33 along the conveying pipe 330 for collection under the action of the suction pump 331;
step three: in the rotating process of the fixed shaft 300, the curved rod 3001 on the fixed shaft 300 rotates along with the fixed shaft, the first semicircular part 4320 and the second semicircular part 4321 are connected with the pull rod 430 under the action of the connecting rod 4322 and the guide groove plate 433, the pull rod 430 pulls the first semicircular part 4320 and the second semicircular part 4321 to open and close intermittently along with the rotation of the curved rod 3001, and the blood activating and oil eliminating agent is thrown into the polluted water area through the throwing pipe 41 by the chemical oil eliminating agent in the oil eliminating agent storage tank 40.
Step four: after the treatment, the counterweight block 12 is pulled up again by the winch 11, and the moving device moves to the next polluted water area to treat the oil stain.
Application example: the invention is applied to the repair treatment of the polluted sea area of certain oil field in south China, and the detection shows that the concentration of petroleum hydrocarbon in the seawater before the treatment is 356mg/L, the concentration of volatile phenol is 7mg/L, SS and 85mg/L, the COD content is 758mg/L, the NH3-N content is 45mg/L and the turbidity of the seawater is 4 NTU; after the treatment of the invention for one week, the petroleum hydrocarbon concentration in the seawater is 189mg/L, the volatile phenol concentration is 3mg/L, SS content is 34mg/L, the COD content is 269mg/L, the NH3-N content is 19mg/L, and the seawater turbidity is 4 NTU; after one month, measuring that the concentration of petroleum hydrocarbon in the seawater is 43mg/L, the concentration of volatile phenol is 0.6mg/L, SS content and is 12mg/L, the COD content is 48mg/L, the NH3-N content is 6mg/L and the turbidity of the seawater is 1.9 NTU; all indexes are lower than the secondary standard in the discharge standard of oily sewage in the offshore oil development industry.
In conclusion, the invention can obviously improve the quality of the effluent of the petroleum-polluted sea area, so that the water quality meets the environmental protection requirement, and has very important practical application value for treating the marine pollution.
Claims (8)
1. A floating type comprehensive treatment device for offshore oilfield sewage is characterized by comprising a floating main body (1), a power assembly (2), an oil stain collecting assembly (3), a sewage treatment assembly (4) and a power supply device, wherein the floating main body (1) is hollow, a deck (10) is arranged at the upper end of the floating main body (1), a winch (11) is arranged inside the floating main body (1), and the winch (11) is connected with a balancing weight (12) through a steel cable (110); the power assembly (2) comprises four driving impellers (20) and four impeller motors (21), every two of the four driving impellers (20) are uniformly arranged on two sides of the bottom of the floating main body (1), the impeller motors (21) are arranged in the floating main body (1), and the impeller motors (21) provide power for the driving impellers (20); the oil stain collection assembly (3) comprises an oil displacement component (30), an oil stain scraper (31), an oil collection tank (32), an oil stain collection box (33) and a driving motor (34), the oil displacement component (30) is fixedly arranged at the head end of the floating main body (1) through bolts, the driving motor (34) is arranged on the deck (1), a driving gear (340) is arranged on an output shaft of the driving motor (34), the driving gear (340) is in transmission with the oil displacement component (30) through a chain (341), the oil stain scraper (31) is fixedly connected with the deck (10) through a fixing rod (314), the oil stain scraper (31) is clamped with the oil displacement component (30), the oil collection tank (32) is fixedly arranged inside the floating main body (1), the oil collection plate (320) is arranged on the oil collection tank (32), and the oil collection plate (320) extends to the lower part of the oil stain scraper (31), the oil stain collecting box (33) is fixedly arranged on the deck (10), the oil stain collecting box (33) is connected with the oil collecting tank (32) through a conveying pipe (330), and a suction pump (331) is arranged at the connection position; the sewage treatment assembly (4) comprises an oil-eliminating agent storage tank (40) and a feeding pipe (41), the oil-eliminating agent storage tank (40) is fixedly arranged on a deck (10), a chemical oil-eliminating agent is arranged in the oil-eliminating agent storage tank (40), the feeding pipe (41) is fixedly arranged at the tail end of the floating main body (1), the feeding pipe (41) is connected with the oil-eliminating agent storage tank (40) through a connecting pipe (42), an intermittent feeding component (43) is arranged on the connecting pipe (42), the intermittent feeding component (43) is connected with the oil displacement component (30) through a pull rod (430), and the intermittent feeding component (43) is controlled to intermittently feed the chemical oil-eliminating agent into the sewage in the oil field along with the rotation of the oil displacement component (30); the power supply device supplies power to the winch (11), the impeller motor (21), the suction pump (331) and the driving motor (34).
2. The floating type offshore oilfield sewage comprehensive treatment device according to claim 1, wherein the oil displacement member (30) comprises a fixed shaft (300) and an oil displacement plate (301), two ends of the fixed shaft (300) are arranged on the floating body (1) through bearing seats (302), a connecting gear (3000) and a curved rod (3001) are arranged on the fixed shaft (300), the connecting gear (3000) is connected with a driving gear (340) through a chain (341), the curved rod (3001) is rotatably connected with a pull rod (430), the oil displacement plate (301) is of a disc-shaped structure, the oil displacement plate (301) is clamped on the fixed shaft (300), and hydrogel fiber layers (3011) are arranged on two sides of the oil displacement plate (301) through buckles (3010).
3. The floating type comprehensive treatment device for offshore oilfield sewage according to claim 2, wherein the oil displacement plates (301) are arranged in an amount of 3-8, the 3-8 oil displacement plates (301) are equidistantly arranged on the fixed shaft (300), and the number of the oil stain scraping plates (31) is corresponding to the number of the oil displacement plates (301).
4. The floating type comprehensive treatment device for offshore oilfield sewage according to claim 1, wherein the intermittent throwing member (43) comprises a shell (431), a throwing plate (432) and a guide groove plate (433), the shell (431) is communicated with the connecting pipe (42), the throwing plate (432) comprises a first semicircular part (4320) and a second semicircular part (4321), the first semicircular part (4320) is clamped with the shell (430), the first semicircular part (4320) is hollow inside, the second semicircular part (4321) is hinged on the first semicircular part (4320), the second semicircular part (4321) can rotate into a cavity of the first semicircular part (4320), the first semicircular part (4320) and the second semicircular part (4321) are both movably hinged with a connecting rod (4322), pulleys (4323) are arranged at the ends of the two connecting rods (4322), and the guide groove plate (433) is movably clamped with the two pulleys (4323), and the guide groove plate (433) is connected with the pull rod (430).
5. The floating type comprehensive treatment device for offshore oilfield sewage according to claim 1, wherein the oil scraping plate (31) is composed of two L-shaped thin plates (310) which are arranged oppositely, bolts are arranged at the end parts of the two L-shaped thin plates (310), the two L-shaped thin plates (310) are connected to the same sleeve (311) through the bolts, pressure springs (312) are sleeved on the two bolts, one ends of the pressure springs (312) are abutted to the end parts of the bolts, the other ends of the pressure springs are abutted to the sleeve (311), and arc-shaped scraping plates (313) are arranged on the opposite sides of the two L-shaped thin plates (310).
6. The floating type comprehensive treatment device for offshore oilfield sewage according to claim 1, wherein the oil collecting plate (320) and the oil scraping plate (31) are both arranged obliquely.
7. The floating type comprehensive treatment device for offshore oilfield sewage according to claim 1, wherein the oil scraping plate (31) and the oil collecting plate (320) are both arranged in an inclined manner.
8. The method for treating sewage by using the floating type offshore oilfield sewage comprehensive treatment device as claimed in any one of claims 1 to 7, is characterized by comprising the following steps:
the method comprises the following steps: switching on a power supply device, driving an impeller (20) to rotate by an impeller motor (21), moving the device to a polluted water area, and lowering a balancing weight (12) to the deep ocean by a winch (11) to enable the device to be in a suspension state;
step two: starting a driving motor (34), wherein the driving motor (34) drives a fixed shaft (300) to rotate through a chain (341), an oil driving plate (301) on the fixed shaft (300) starts to rotate, and a hydrogel fiber layer (3011) arranged on the oil driving plate (301) adsorbs oil stains floating in seawater; in the rotating process of the oil drive plate (301), under the action of the arc-shaped scraper (313), oil stains adsorbed on the hydrogel fiber layer (3011) are scraped, the scraped oil stains enter the oil collecting tank (32) along the oil collecting plate (320), and finally enter the oil stain collecting box (33) along the conveying pipe (330) for collection under the action of the suction pump (331);
step three: in the rotating process of the fixed shaft (300), the curved rod (3001) on the fixed shaft (300) rotates along with the fixed shaft, the first semicircular part (4320) and the second semicircular part (4321) are connected with the pull rod (430) under the action of the connecting rod (4322) and the guide groove plate (433), the pull rod (430) pulls the first semicircular part (4320) and the second semicircular part (4321) to open and close intermittently along with the rotation of the curved rod (3001), and the blood activating and oil eliminating agent is thrown into the polluted water area through the throwing pipe (41) by the chemical oil eliminating agent in the oil eliminating agent storage tank (40).
Step four: after the treatment is finished, the counterweight block (12) is pulled up again through the winch (11), and the moving device moves to the next polluted water area to treat the oil stain.
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| CN201911268700.8A CN111042077B (en) | 2019-12-11 | 2019-12-11 | Floating type comprehensive treatment device and method for offshore oilfield sewage |
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| CN201911268700.8A CN111042077B (en) | 2019-12-11 | 2019-12-11 | Floating type comprehensive treatment device and method for offshore oilfield sewage |
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| CN111042077B CN111042077B (en) | 2020-11-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112194270A (en) * | 2020-10-19 | 2021-01-08 | 湖南绿拓环保工程有限公司 | Floating sludge collection device for sewage treatment |
| CN114104211A (en) * | 2021-12-22 | 2022-03-01 | 青岛太奇环境艺术设计工程有限公司 | Automatic boat (platform) for water area environment treatment and ecological restoration |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2273331Y (en) * | 1996-08-24 | 1998-01-28 | 张仁武 | Tall oil skimmer |
| CN201283997Y (en) * | 2008-09-28 | 2009-08-05 | 中海石油环保服务（天津）有限公司 | Overflow oil recovering ship |
| CN102767168A (en) * | 2012-07-27 | 2012-11-07 | 天津汉海环保设备有限公司 | Disc type oil collecting device |
| CN204343272U (en) * | 2014-11-22 | 2015-05-20 | 上海秦森园林股份有限公司 | A kind of novel polluted-water Oil slick recovery plant |
| CN110541414A (en) * | 2019-09-27 | 2019-12-06 | 上海电力大学 | Waterborne oil stain cleaning ship |
-
2019
- 2019-12-11 CN CN201911268700.8A patent/CN111042077B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2273331Y (en) * | 1996-08-24 | 1998-01-28 | 张仁武 | Tall oil skimmer |
| CN201283997Y (en) * | 2008-09-28 | 2009-08-05 | 中海石油环保服务（天津）有限公司 | Overflow oil recovering ship |
| CN102767168A (en) * | 2012-07-27 | 2012-11-07 | 天津汉海环保设备有限公司 | Disc type oil collecting device |
| CN204343272U (en) * | 2014-11-22 | 2015-05-20 | 上海秦森园林股份有限公司 | A kind of novel polluted-water Oil slick recovery plant |
| CN110541414A (en) * | 2019-09-27 | 2019-12-06 | 上海电力大学 | Waterborne oil stain cleaning ship |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112194270A (en) * | 2020-10-19 | 2021-01-08 | 湖南绿拓环保工程有限公司 | Floating sludge collection device for sewage treatment |
| CN114104211A (en) * | 2021-12-22 | 2022-03-01 | 青岛太奇环境艺术设计工程有限公司 | Automatic boat (platform) for water area environment treatment and ecological restoration |
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| CN111042077B (en) | 2020-11-17 |
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