71 results about "Ocean pollution" patented technology

The present invention relates to biodegradable polyurethane capsules for molded product of polyurethane foam and to methods for manufacturing the same, the inventive biodegradable polyurethane capsule comprises a powder made from a biodegradable material, first coating layer of calcium alginate gel formed on the surface of said power and second coating layer of foamable polyurethane resin formed on the surface of said first coating layer. Products manufactured from the biodegradable polyurethane capsule according to the present invention can be widely used as heat isolating materials and heat isolating structural materials because the basic physical properties such as heat insulation are good. And, since the biodegradable material inside the capsule is decomposed by microbes in the nature after a certain period, the efficiency of destruction is considerably improved, so it is possible to minimize the conventional problems of soil, air, and sea pollution caused by fill-in or incineration of the wastes of polyurethane molded foam product.

The present invention proposes a hatch cover device capable of opening and closing the hatch cover with a simple structure using only an electric actuator. In the hatch cover device of the present invention, the lift and movement of the cover plate when the hatch cover is opened and closed, which are driven by individual drive sources (actuators) in the prior art, are all driven by a common actuator. Accordingly, the hatch cover can be opened and closed with fewer actuators, and the simplification and cost reduction of the device can be realized. In particular, since an electric actuator is used as the actuator, there is no need to install a hydraulic actuator and hydraulic piping for its operation on the deck, which not only enables simplification and cost reduction of the device, but also Prevent marine pollution caused by oil.

The invention aims to provide an 'ecological optimization production process for the all-seawater industry', which is characterized by realizing 100 percent comprehensive utilization of the seawater by the optimization production process which 'circularly extracts and continuously processes the seawater to produce the following three major compound products: marine bio-foods and marine medical products, marine element products and salt chemical products and clean fresh water products. The optimization production process initially provides marine organism pharmaceutical sources for human, eliminates and changes the traditional salt chemical industries and the traditional seawater desalination industries into industrial chain type comprehensive-utilization compound industries with a plurality of salt chemical products rather than the original single products or a fewer varieties of products and supplies cheap and sustainable clean fresh water resources to human beings. The all-seawater-industrial ecological optimization production process has the advantages of reaching zero emission, completely eliminating the ocean pollution caused by 'residual metamorphic seawater', eliminating domestic wastes and realizing ecological environmental protection production.

The invention relates to the technical field of ocean pollution prevention and remediation, in particular to pollution prevention microcapsules and a preparation method and application thereof. The pollution prevention microcapsules include capsule cores and capsule walls, wherein the capsule walls coat the capsule cores; the capsule cores include water absorbing resin, silicone oil and a pollution prevention agent; the pollution prevention agent is selected from one or more of capsaicin, DCOIT, tannic acid, copper tannate, zinc tannate, nano-zinc oxide, nano-titanium oxide and nano-magnesiumoxide; the capsule walls are made of polyurethane resin. The capsule walls of the pollution prevention microcapsules can be hydrolyzed in water environment to release the capsule cores inside the capsule walls, and therefore pollution prevention of a water body is conducted. The pollution prevention microcapsules, fluorescent powder and resin matrixes cooperate to prepare bionic pollution prevention paint, therefore, the obtained bionic pollution prevention paint has excellent hydrophobicity and pollution prevention performance, attachment of bacteria, algae and protein is effectively inhibited, and bionic pollution prevention is achieved.

The invention discloses a sulfonic self-doped aniline copolymer with a controllable nanometer structure and a synthesis method thereof. The synthesis method comprises the following steps of: dissolving aniline-2-sulfonic acid and aniline or aniline derivatives into a first acid solution in different molar ratios to form a comonomer solution; dissolving a catalytic amount of initiator into a small amount of ethanol to form an initiator solution; dissolving a certain amount of oxidant into a second acid solution to form an oxidant solution; adding the oxidant solution immediately after blending the initiator solution with the comonomer solution; and vigorously shaking the solution for a while and then standing until the reaction is complete to obtain the self-doped aniline copolymer which has a nanometer structure with the dimension and size both controllable. The synthesis method provided by the invention has the advantages of simple synthesis steps, high efficiency and high controllability. The obtained self-doped conductive polymer with the nanometer structure can be adopted in application fields, such as electrodes, electronic screening, static prevention, corrosion prevention of metal, electrochromic materials, sensors, functional films, prevention of ocean pollution and the like.

The invention belongs to the technical field of ocean pollution prevention, and relates to a self-polishing antifouling fluorosilicone acrylate resin and a preparation method thereof. The self-polishing antifouling fluorosilicone acrylate resin adopts a net structure formed by enabling fluorosilicone acrylate monomer to react with R3 and R4 groups containing acrylate monomer, wherein the fluorosilicone acrylate monomer is acrylic monomer containing a fluorosilicone group; the molecular structure comprises two acrylates and one fluorine-containing siloxane; the acrylate monomers are 1-4 free radical polymerization monomers containing R3 and R4 groups and comprise acrylic acid, (methyl) acrylate, (methyl) ethyl acrylate and (methyl) butyl acrylate. The preparation technology comprises the following steps: firstly selecting fluorosilicone acrylate monomer, acrylate monomer, azodiisobutyronitrile and methylbenzene, placing the selected substances into a reaction vessel to be mixed uniformly, and then stirring the mixture to obtain colorless transparent fluorosilicone acrylate self-polishing antifouling resin. The preparation method is simple; the raw materials are accessible; the self-polishing antifouling fluorosilicone acrylate resin is easy to produce in a large scale, antifouling, and environment-friendly, and has a good potential application prospect.

The invention discloses a seawater pollution area identification method and device based on a high-resolution remote sensing image, and belongs to the field of digital image processing. The method comprises: firstly, performing sea-land automatic classification on remote sensing images through a supervised learning algorithm, a classification result can reach a high precision level through processiterative clustering, and meanwhile, compared with an existing sea-land boundary analysis and classification method, the operand being small; then, using the chlorophyll concentration difference andthe brightness difference of pollutant shadows existing between the marine pollution area and surrounding seawater; combining a normalized vegetation index related to chlorophyll, a normalized water body shadow index related to brightness, a segmentation-based image interpretation thought and a human eye vision-based saliency mechanism in remote sensing interpretation; through threshold segmentation, realizing extraction of a marine pollution area, respectively extracting an area with excellent water quality and a severely polluted area, and further obtaining a pollution transition area. The method provided by the invention provides convenient and accurate reference for marine pollution prevention and treatment.

The invention provides a deep semantic segmentation-based ocean oil spill detection system. The system comprises a computing server, a GPU cluster, an ocean pollution remote sensing image database anda normal no-pollution image database; the computing server is deployed on the GPU cluster; the computing server stores a trained neural network model; and an input image is identified. The inventionfurthermore provides a deep semantic segmentation-based ocean oil spill detection method. The system and the method have the beneficial effects that the ocean oil spill pollution can be quickly and accurately monitored.

The invention belongs to the field of energy-saving power generation device for a ship and particularly relates to a device for generating power by wind energy and water flow energy when the ship is in the static or speed reduction state. The energy-saving power generation device for the ship comprises a wind turbine, a dual-rotor power generator and a water turbine, wherein the wind turbine comprises blades and a wind turbine rotary shaft. The energy-saving power generation device combines the functions of wind power generation and water flow power generation through the dual-rotor power generator, is simple in structure, smaller in volume under the same power and easy to realize on the ship, makes full use of offshore wind energy, water flow energy and mechanical energy of the ship, reduces the ocean pollution when the traditional energy is used by the ship, and improves the utilization efficiency of the ship to the traditional energy. The power generation device is applied when the ship is in the speed reduction state, so that the excessive kinetic energy of the ship can be absorbed, a better speed reduction effect can be obtained, the speed reduction time of the ship is greatly shortened, and the speed reduction controllability is improved.

The invention belongs to the field of photocatalysis and particularly relates to a Bi2WO6 / BiOI heterojunction compound photocatalyst as well as a preparation method and application thereof. The Bi2WO6 / BiOI heterojunction compound photocatalyst is prepared from Bi2WO6 and BiOI, wherein the mol ratio of the BiOI to the Bi2WO6 ranges from (98 to 1) to (1 to 49.5). The preparation method comprises the following steps: preparing the BiOI having a three-dimensional layered micro-ball structure by adopting a hydro-thermal synthesis method; and then treating the BiOI by adopting an ion exchange method under a hydro-thermal condition to obtain the Bi2WO6 / BiOI heterojunction compound photocatalyst. The preparation method provided by the invention has a simple process, and is easy to control and low in cost; a Bi2WO6 / BiOI heterojunction structure having visible-light response is constructed, the separation of photon-generated carriers is accelerated, and the compounding probability of photon-generated ions-hole pairs is reduced; the Bi2WO6 / BiOI heterojunction compound photocatalyst has efficient photocatalytic activity and stability under visible light, and has efficient killing and degradation effects on harmful microorganisms and dye pollutants in a water body; and the Bi2WO6 / BiOI heterojunction compound photocatalyst has a very good practical value and a potential application prospect in the field of water body purification, ocean pollution prevention and the like.

The invention discloses a method for manufacturing an ecological artificial fish reef by utilizing a fly ash geopolymer. The method comprises the following steps: 1) taking 50 to 200 parts of fly ash by weight and adding an exciting agent at the temperature of 15 DEG C to 50 DEG C to carry out alkali excitation; stirring for 2min to 10min to form slurry; 2) when the slurry starts to be thickened, adding aggregate and continually stirring for 2min to 5min to obtain fish reef concrete needed by the artificial fish reef; 3) injecting the fish reef concrete in step 2) into an artificial fish reef mold and curing at 30 DEG C to 180 DEG C for 5h to 40h; after de-molding, obtaining the ecological artificial fish reef. The ecological artificial fish reef obtained by the manufacturing method is a fly ash geopolymer material, and is one of or a polymer of several more of polymers of 3A, 4A, 5A, 13X, 10X, Y and M type molecular sieves which take a three-dimensional net-shaped silicon-aluminum-oxygen tetrahedron as a structural unit. The structure provided by the invention can be used for fixing and sealing heavy metal ions in raw materials and does not cause secondary marine pollution.

The invention discloses ocean pollution sampling equipment, and aims to solve the disadvantages that an existing seawater detection sampling process is inconvenient in operation, the work efficiency during water sample multipoint collection is low and water samples at different depths are inconveniently collected. The ocean pollution sampling equipment comprises a ventilating main pipe, an inflating hose and a latticed airbag body, wherein the airbag body comprises a plurality of strip-shaped transverse bag bodies and a plurality of strip-shaped longitudinal bag bodies; the transverse bag bodies and the longitudinal bag bodies are intersected and communicated; annular installation bag rings are arranged at the intersected positions of the transverse bag bodies and the longitudinal bag bodies respectively; the installation bag rings are communicated with the airbag body; each installation bag ring is connected with a support; a plurality of closed collection tanks are arranged on each support; each collection tank is connected with a sampling hose and a ventilating hose; the lower ends of the sampling hoses corresponding to the collection tanks on the same support are arranged at different heights; the ventilating hoses are communicated to the ventilating main pipe through hoses; the airbag body is communicated with the inflating hose; the ventilating main pipe is connected with a sucking pump; and the inflating hose is connected to an air pump.

The invention relates to the technical field of marine monitoring, and discloses a seawater environment monitoring data statistical system, which comprises a user login module, a region division module, a data retrieval and query module, a data space-time analysis module, an environment quality evaluation module, a data input and output module, a comprehensive database module, an early warning and alarm module and an information issuing module, the data space-time analysis module is composed of a data time analysis unit and a data space analysis unit; the data time analysis unit is used for estimating and researching statistical regularity existing in the monitoring element change process of a certain time sequence so as to reflect the change track of the monitoring element; and the spatial analysis unit is used for describing a spatial distribution rule of the monitoring data and representing the spatial distribution rule in a map form. According to the method, the abnormal conditions are shown in the form of maps and charts, so that the method is convenient, simple and visual, a user can be effectively helped to make accurate judgment in time, and marine pollution is reduced.

The invention belongs to the technical field of marine pollution detection, and particularly relates to a method for improving detection precision of polychlorinated biphenyl in wholphin fat and an application of the method. The method comprises the following steps: before the polychlorinated biphenyl in a wholphin fat sample is detected, carrying out Soxhlet extraction on the wholphin fat sampleby using a dichloromethane / normal hexane mixed solvent; and concentrating an extracting solution with n-hexane in a constant volume manner, sequentially eluting with a GPC column and an acidic silicagel column to finally obtain a to-be-detected target compound, and detecting polychlorinated biphenyl in wholphin fat by adopting the to-be-detected target compound obtained by the method through an existing polychlorinated biphenyl detection method. The method can effectively improve the problems of low efficiency and many interference factors in the detection of polychlorinated biphenyl in wholphin fat, and has the advantages of simplicity, high efficiency, high precision and sensitivity, and good recovery rate and reproducibility.

The invention relates to a method for degrading oil and phenanthrene through a bacterial strain P51. The preservation number of the bacterial strain is CGMCC No.14411, and the 16SrRNA sequence is shown in SEQ ID NO:1. The screened bacterial strain P51 has the function of efficiently degrading oil, and while the bacterial strain is used for degrading oil, the high degradability of phenanthrene in polycyclic aromatic hydrocarbon is achieved, so that the ocean pollution problem caused after oil pollution is solved; the marine environment is completely recovered, and the foundation is laid for developing microbial remediation oil pollution products.

The invention discloses a charge transfer type automatic oxidation-reduced nano-material as well as a preparation method and application thereof, an ocean anti-fouling agent and an ocean anti-fouling coating, relating to the technical field of ocean pollution prevention. The CT nano-material is a composite nano-material which is doped with rare earth elements or not, wherein the composite nano-material mainly contains MnO, TiO2, ZnO and SiO2 in a molar ratio of (1-5) to (1-15) to (1-3) to (1-15). According to the CT nano-material, the defects that a traditional anti-fouling agent is easy to enrich, difficult to degrade, high in toxicity, short in anti-fouling period and unobvious in anti-fouling effect are relieved. The CT nano-material has remarkable inhibition effects to the adhesion of marine microorganisms, algae and large-sized fouling organisms under a low concentration, presents efficient and broad-spectrum anti-fouling activity, has phobotaxis to marine organisms, has no destruction property to the marine organisms and can be used as a low-toxicity ocean anti-fouling agent to be developed and applied.

The invention discloses a float monitoring device for ocean pollution treatment based on a wave power generation technology. The device comprises an installation platform, a monitoring component and arotor permanent magnet direct-drive generator, wherein an installation frame is welded at the top of the installation platform, a telescopic groove is formed in the top of the center of the installation platform, a heat absorption plate is laid at the upper end of the installation platform, a bearing plate is welded at the edge end of a movable rod, and a toothed roller is in shaft connection with the edge side of the installation platform in an embedded mode; a retractable groove is formed in an outer baffle and the installation platform in a penetrating mode, a bottom column is welded at the bottom of the mounting platform, and the rotor permanent magnet direct-drive generator is fixed on the inner side of the top of the bottom column through bolts. According to the float monitoring device for ocean pollution treatment based on the wave power generation technology, sufficient power supply is kept through the use of the wave power generation and solar power generation technologies, meanwhile, waves can be blocked by using wave potential energy, and damage to the monitoring component caused by wave impact is avoided.

The invention discloses an ecological seawall structure for marine ecological restoration. The structure comprises a seawall base layer, a cement layer is formed on a slope of the seawall base layer through pouring, multiple mounting tables are integrally formed on the cement layer, planting cylinders are placed on the mounting tables, fixing piles are connected with bottom plates of the plantingcylinders in a sleeved mode, the fixing piles are fixedly inserted into the mounting tables, silt layers are laid at the bottoms of inner cavities in the planting cylinders, cobblestone layers are laid on the silt layers, hydrophilic plants are planted in the cobblestone layers and the silt layers, and a cleaning mechanism is arranged at the position, close to the shore, of the cement layer. According to the structure, the planting cylinders are fixed to the mounting tables, and the hydrophilic plants are planted in the planting cylinders, so that the ecological environment of a seawall is achieved; and the hydrophilic plants can ecologically purify seawater during seawater tide rising, the cleaning mechanism blocks garbage on the shore, when seawater tide rising occurs, the garbage floating on the sea surface is flushed to the cleaning mechanism, and the garbage is left on the cleaning mechanism after seawater tide falling, so that cleaning is facilitated, and the marine pollution isreduced.

The invention discloses a seawater resourceful treatment process, which comprises the following steps that seawater is pretreated and then enters a nanofiltration unit to be subjected to salt separation treatment; nanofiltration produced water obtained after nanofiltration treatment enters a reverse osmosis unit to be pre-concentrated, and obtained reverse osmosis produced water is sterilized and disinfected to serve as domestic water; and reverse osmosis concentrated water obtained through reverse osmosis treatment enters an SCRO unit for deep concentration, a part of SCRO concentrated water obtained through treatment of the SCRO unit is used for reducing the osmotic pressure difference of the two sides of an SCRO unit membrane and finally flows back to the reverse osmosis unit with SCRO produced water to be concentrated again, and the other part of SCRO concentrated water serves as a raw material of chlor-alkali industry to enter an electrolysis unit for electrolysis production of sodium hydroxide and chlorine. According to the seawater resourceful treatment process, high concentration of seawater is achieved under the condition of low energy consumption while generated concentrated water can be used as a raw material in the chlor-alkali industry, and marine pollution and crude salt consumption in the chlor-alkali industry are effectively reduced, so that seawater resourceful utilization is achieved.

The invention discloses a novel ship, which comprises a cabin body and an upper layer building, wherein the upper surface of the cabin body is a main deck, the upper layer building is connected on the main deck, the cabin body comprises a bottom cabin, a first layer cabin and a second layer cabin, both the first layer cabin and the second layer cabin comprise steering gear cabins, pump cabins and machine cabins, an oil and water separator and a ballast water treatment device are arranged inside the machine cabin of the first layer cabin, a nitrogen oxide detector and a sewage treatment device are arranged inside the second layer cabin, overflowing floating oil recovery equipment is arranged both inside the pump cabin of the first layer cabin and the pump cabin of the second layer cabin, and an oil eliminating system is arranged on the upper layer building. The invention has the advantages that the ocean pollution can be reduced, the ocean organism pollution can be prevented and governed, the oil overflowing pollution caused by other ships or platforms can be prevented, and energy sources can be saved.

The invention provides an intelligent real-time environment monitoring system for ocean pollutions. The system comprises an ocean pollution monitoring module, a data processing center, a transmissionmodule, a remote monitoring center and a power module, wherein the ocean pollution monitoring module is used for acquiring data of various parameters that affect an ocean environment; the data processing center is connected with the ocean pollution monitoring module and is used for processing the acquired data so as to estimate a condition of the ocean environment according to the processed data and transmit an estimation result to the remote monitoring center through the transmission module; the remote monitoring center is connected with an underwater robot in a communication manner and is used for storing the received data and sending various control signals to the data processing center so as to change an activity state of the underwater robot; and the power module is used for guaranteeing stable power supplying to the whole system.

A multi-sampling-rate self-adaptive balancing technology for a time-varying channel of a communication system of high relative bandwidth belongs to the technical field of communication engineering. The phase and filtering weight are adjusted with aid of a Turbo soft decoder in a repeated brush type update process. A Resampling structure has a convergence effect towards 1 relative to an Eigenvalue of a channel matrix, and the condition number of the channel matrix is effectively improved. After filtering, a constellation graph of filtering symbols is observed to find a sending symbol for BPSK, a structure with the Resampling structure can be used to recover constellation distribution of BPSK clearly, and repeated brush type update can further optimize the filtering effect. The technology can be used to prompt development in the fields including seabed petroleum exploration, submarine underwater communication, underwater sensor remote collection, ocean pollution monitoring, coast underwater monitoring network and underwater unmanned robot control.

The invention relates to a method for evaluating the micro-plastic pollution level of marine sediments, and belongs to the field of risk evaluation of marine pollutants. Sea area sediments are taken as experimental objects, meanwhile, one-dimensional analysis of single abundance / component of an evaluation system is pushed to multi-dimensional (abundance, variety and diversity) comprehensive evaluation, overall response values of micro-plastic pollution in different investigation areas are compared, and the higher the overall response values of micro-plastic pollution are, the higher the pollution level of micro-plastic in the areas is. The method provided by the invention has good performance in estimating and comparing the micro-plastic pollution levels of sediments in different sea areas, and is good in result stability, high in repeatability and strong in comparability.

The invention discloses a Markov process-based rapid prediction technology in ocean pollution accidents in the technical field of ocean water quality prediction and Markov process. The technology comprises the following steps of: (1) partitioning a researched sea area, dividing the research process into periods with a same time length according to the fact that the periodical movement of sea water has Markov property, representing pollutants in the sea by a certain quantity of particles, and simulating substance transportation among the areas by adoption of a Lagrange particle tracking method in an ocean numerical mode; (2) carrying out statistics on proportions of particles which are released from different partitions presenting to each partition at different periods, and solving a Markov probability transition matrix of the area; and (3) predicting a water exchange or pollutant transportation process of the water area according to the Markov probability transition matrix. According to the technology, the water exchange or substance transportation processes of the researched areas can be efficiently and rapidly predicted.

The invention discloses an intelligent ship berthing and departing device which is mainly used for assisting a ship in automatic berthing or departing from a wharf, is high in working efficiency and labor-saving; the device comprises a ship body and a suction cup. The ship body is loaded with a wireless control module, a communication positioning module, a propelling module and the like. The suction cup comprises an inner side suction cup body, an integrated control piece, an outer side suction cup body and a mooring rope. The mooring rope of the suction cup is connected with the ship body through a winding and unwinding wheel. Compared with the prior art, the device has the advantages that unmanned intellectualization of ship berthing or departing from a wharf can be achieved, and the device can also be used for rescuing marine ships in distress, preventing marine pollution and the like and is wide in application range.

The invention relates to a bubble floating ball and a manufacturing process thereof. The bubble floating ball comprises an inner ball and an outer ball, wherein the inner ball is produced from plasticfoam materials, the outer ball is produced from thermoplastic plastic materials, packages the inner ball and is formed by lapping half-elliptical or half-spherical shells, and folding edges are arranged at the lapped parts. The bubble floating ball comprises the outer ball and the inner ball, so that the performance of the bubble floating ball is improved; the folding edges are bent towards the same direction, so that the surface of the floating ball is smooth, and the floating ball is unlikely to be cut off when being tightly bound by a rope or net bag in use; and the impact strength of a gap in a welding part can be improved, so that the situation that the bubble floating ball is broken by the friction of a binding rope is avoided, and meanwhile, the problems that broken bodies are difficult to be recycled, and the ocean pollution is caused are avoided.

The invention discloses application of a magnetic composite material to removal of plastic fragments. As an adsorbent for removing plastic fragments, the magnetic composite material provided by the invention has higher removal rate and shorter response time, is suitable for removing various sizes and types of plastic fragments, is an ecological technology suitable for energy conservation and large-scale purification of fresh water and seawater, and has wide application prospects. And a way is opened up for effectively removing marine pollution by the magnetic composite material.

The invention belongs to the technical field of wave power generation devices, and particularly relates to a buoy-compressible wave power generation device taking water as a medium. The buoy-compressible wave power generation device mainly solves the technical problems of complex structure, high cost and easiness in ocean pollution of the existing wave power generation devices. The technical solution adopted by the invention is that the buoy-compressible wave power generation device taking water as a medium comprises an energy accumulator, a water turbine power generator and a water storage tank, and further comprises a pipeline II, a water returning pipeline, a support and a plurality of energy converting devices; and each energy converting device consists of a buoy, a rope I, a lever, a hinge shaft, a rope II, a hydraulic cylinder, a pulley device, a rope III, a balance weight, a pipeline I, a water sucking pipeline and a balancing pipeline. The buoy-compressible wave power generation device has the advantages of convenience in use, simple structure, no environmental pollution and low cost.

The invention discloses a device for collecting and treating a viscous liquid suspended on a water surface. The device comprises a base, wherein one side of the base is provided with a winding drum module for collecting suspended viscous liquid on the water surface by using an oleophylic adsorption synchronous belt; the base is provided with a vibrating screen module for vibrating, screening and filtering the viscous liquid collected by the winding drum module; the vibrating screen module comprises a screening and filtering area defined by a screen, and a tail end outlet of the winding drum module is connected with the screening and filtering area on the upper portion of the screen; a collecting module for containing the screened and filtered viscous liquid is arranged at the lower part of an outlet of the vibrating screen module; and a stirring module is further arranged on the base and comprises a propeller, wherein the propeller is located in the screening and filtering area. According to arrangement of the overall structure, the oleophylic adsorption synchronous belt is adopted for adsorbing and collecting viscous liquid including petroleum spilled on the sea, so that marine pollution is prevented.

The invention discloses a ship deck oily water treatment system which comprises a deck drainage system, an oil content concentration analyzer and an oily water treatment device. The deck drainage system comprises multiple floor drains arranged on a ship deck; the multiple floor drains are connected to an inlet of a main drainage pipe through various branch drainage pipes; the oily water treatmentdevice comprises a sewage collecting tank, an oil-water separator and a dirty oil collecting tank; an outlet of the main drainage pipe is connected to the outboard or the dirty oil collecting tank through the branch pipes; the oil content concentration analyzer is arranged on the main drainage pipe, so that deck oily water is directly discharged to the outboard or the sewage collecting tank; an alarm device and a liquid level float switch are arranged in the sewage collecting tank, so that the oily water is discharged into the oil-water separator so as to be collected; and an outlet of the oil-water separator is connected to the outboard, the sewage collecting tank and the dirty oil collecting tank through the pipelines. According to the ship deck oily water treatment system provided by the invention, the possibility of ocean pollution can be effectively reduced, and the purchase cost and the labor load are reduced.