51 results about "Marine industry" patented technology

The invention relates to the technical field of self-repairing anticorrosive paints and particularly relates to a self-repairing microcapsule used for a metal anticorrosive paint and a preparation method of the self-repairing microcapsule. The self-repairing microcapsule sequentially comprises a capsule core material and double layers of wall materials from inside to outside, a corrosion-inhibiting material is loaded between the double layers of wall materials, a coupling reagent is adhered on an outer wall of the double layers of wall materials, wherein the capsule core material is a reactant of a polyhydroxyl or multiamino compound and isocyanate, an inner wall of the double layers of wall materials is polyurethane, the outer wall of the double layers of wall materials is melamine formaldehyde resin, and the corrosion-inhibiting material is a nanoparticle and a metal corrosion inhibitor. The microcapsule is high in repairing efficiency, stable in mechanical property and simple in process, is matched with a matrix, has extensive applications, and can be widely applied to the fields of metal anti-corrosion and self-repairing materials like the petrochemical engineering, the marine industry and the automobile industry.

The invention discloses a synthesis method of a self-repairing elastomer material based on eucommia rubber, and relates to a synthesis method of the self-repairing elastomer material. By adoption of a preparation method with an emulsion process and a Sol-Gel technology and chemical modification, a multi-functional-group modifier is introduced into a eucommia rubber molecular chain, and a self-repairing structural mechanism is introduced, so that the eucommia rubber is endowed with the self-repairing performance. The synthesis method comprises the following steps: firstly, performing partial epoxidation modification on double bonds in a main molecular chain of the eucommia rubber; adding an excellent solvent and deionized water into the eucommia rubber in sequence, preparing into a stable emulsion, then adding an epoxidation reagent for epoxidation reaction, performing ring-opening condensation reaction on an epoxy group and the multi-functional-group modifier to graft multiple functional groups to the molecular chain of the eucommia rubber. Quick auto repairing can be realized at room temperature, and no heating pressurization is needed in a self-repairing process; the synthesis method has a very important application value in the fields of aerospace, buildings, automobiles, bionts, marine industry and the like.

A sectored light primarily for use in the marine industry incorporating LED's as a light source. The light includes a novel light dispensing lens (16) in conjunction with positively curved (convex) reflective elements (15) to provide a superior “arc of visibility” with low light scatter and sharp cut off transition.

The invention discloses a method for preparing oyster oligopeptide by utilizing fresh oyster meat. The method for preparing the oyster oligopeptide by utilizing the fresh oyster meat specially comprises the following steps: taking fresh oyster meat, and carrying out crushing and pulping so as to obtain an oyster pulp; adding water into the oyster pulp, and then, heating the mixture to 40-55 DEG C and adjusting the pH value to 2.0-5.0; adding compound proteases so as to carry out enzymatic hydrolysis, and then, raising the temperature to 80-95 DEG C so as to deactivate the enzymes; carrying out centrifugal separation, and collecting the liquid phase; separating the liquid phase by adopting nano-filtration membrane separation, and collecting the permeate liquid; performing electroosmosis on the permeate liquid so as to carry out desalination; adding beta-cyclodextrin and activated carbon into the desalinated liquid so as to carry out refining, carrying out filtrating by using a plate-and-frame filter so as to decarbonize, and collecting the liquid phase, so that a refined liquid is prepared; concentrating the refined liquid by using a membrane concentration device, and then, carrying out spray-drying, so that the oyster oligopeptide powder is prepared. The method for preparing the oyster oligopeptide by utilizing the fresh oyster meat disclosed by the invention increases added values of the oysters. The prepared products are high in oyster oligopeptide contents, and have molecular weights of 1000 Da or lower; thus, the oyster oligopeptide can be completely absorbed by the human body. The method for preparing the oyster oligopeptide by utilizing the fresh oyster meat has extremely important realistic meanings in promoting the rapid developments of the marine industry of China.

The present invention regards a fluid actuator arrangement comprising a first and second cylinder of a cylinder arrangement, a piston rod arrangement, a first and second piston device associated with the piston rod arrangement, wherein respective first and second piston device divides respective first and second cylinder into a first and second chamber provided for connection to a valve device of a fluid supply device. The first piston device comprises a piston rod engagement and disengagement device, which is adapted to engage or disengage the first piston device to/from the piston rod arrangement. The invention can be put into use for aircraft, such as commercial aircraft designed for long distance flights, for construction industry, jacking systems for oil well drilling and service platforms, agricultural equipment industry, marine industry, crane manufacture industry, and others.

The invention provides a genetic engineering vaccine of fish infectious spleen and kidney necrosis virus and a process for preparing the genetic engineering vaccine. The genetic engineering vaccine provided by the invention comprises two gene recombination proteantigens of protein-24 and protein-50, and the protein-24 and the protein-50 are cloned by two open reading frames of ORF24 and ORF50 which are screened from a genome of ISKNV, then are prepared recombinant plasmid, and are finished by expressing recombinant protein. The vaccine is a recombinant protein vaccine which is capable of inhibiting the infectious spleen and kidney necrosis virus from infecting the fish body, enabling the aquatic fish to grow healthily, thereby reducing the loss due to disease in the marine industry, increasing the output and benefit of the marine product, simultaneously avoiding drawbacks existing in DNA vaccine.

The invention proposes to solve the problem of high cost and instability of using seawater to generate electricity, and provides a method for artificially manufacturing sea surface drop to guide seawater circulation to generate electricity and comprehensively utilizing seawater. The method includes the main structural elements and auxiliary structural elements, and selects the coastal junction area suitable for negative excavation to build a sea blocking dam, so that the sea level and the artificial negative excavation underground reservoir form an altitude difference, and at the same time guide the seawater to impact the power generation under the underground reservoir The unit generates electricity, and while pumping seawater for use onshore, it also uses wind power to support water pumping and seawater comprehensive utilization projects. The invention can save land resources for seawater development, use seawater and wind power to generate electricity stably on a large scale around the clock, provide a large amount of power for national economic construction, promote the upgrading of seawater power generation and wind power generation equipment manufacturing industries, and provide a large amount of disposable clean seawater for the marine industry , increase the added value of the marine industry, and create a new path in which clean energy economy and circular economy complement each other.

An eco-wood formulation finds new uses as construction materials. A rigid polymer material sheet for use in building construction comprises a polymer mixture of ultrafine particles of polyvinylchloride (PVC) impact modifier, plant fiber, coupling agent, smoke suppressant, activated clay, lubricant, an activator, environmentally friendly flame retardant, heat stabilizers, odorless crosslinking agent, foaming agent, desmopressin agent. Alternatively, the rigid polymer material sheet is composed of: a polymer mixture of PVC, plasticizer, nitrile rubber, PCC, stearate, zinc oxide, retardant heat, heat stabilizers, crosslinking agent, vesicant; whereby said rigid polymer material sheet provides enhanced thermal resistance and sound attenuation properties for use in building construction, aviation and marine industries.

The invention discloses a preparation method of nano chitin/polyvinyl alcohol composite film, nano chitin/polyvinyl alcohol composite film prepared by means of the preparation method and application of the nano chitin/polyvinyl alcohol composite film, and relates to the field of packing materials. The preparation method of the nano chitin/polyvinyl alcohol composite film comprises the steps of adding nano chitin film into polyvinyl alcohol solution, taking out, drying, and thermally treating to obtain nano chitin/polyvinyl alcohol composite film, wherein the nano chitin film is made by subjecting nano chitin suspension to film laying and curing; thermal treatment refers to heating to 110-120 DEG C in a saturated steam environment. The preparation method has the advantages of good process simplicity, wide source range of materials, low preparation cost, environmental friendliness and the like, allows marine industry wastes to be efficiently utilized, and helps improve their utilizationvalue. The nano chitin/polyvinyl alcohol composite film prepared by means of the preparation method has the advantages of good barrier property, biodegradability, transparency, tensile strength, thermal stability, baceriostasis, zero toxicity and the like, and is suitable for serving as an antibacterial environment-friendly packing material.

The invention provides a nondestructive testing method of paste quality of a marine constrained damping rubber plate, which solves the problem that only interface paste quality between a thinner steel plate and a thinner damping rubber plate can be effectively detected during back multi-layer rubber interface paste quality detection of a steel plate by adopting a multi-pulse echo method. The nondestructive testing method comprises the steps of: 1, conditioning a signal, 2, meshing, 3, collecting a detection signal, 4, collecting a contrast signal, 5, drawing an extreme envelope, and 6, judging. The nondestructive testing method, provided by the invention, fills the blank of the nondestructive testing method of paste quality of the constrained damping rubber plate and a metal base body in domestic marine industry at present, can carry out 100% of nondestructive testing as to interface debonding situation of a constrained plate, a damping material and a metal plate, and have the advantages of good repeatability, high reliability, large economic benefit and social benefit; and the detection result is not affected by experience and levels of testing staff.

A refrigerated stainless steel shipping container for use in transporting and holding perishable foods in a refrigerated or frozen condition for offshore oil and gas and marine industries. The shipping container is comprised of an exterior box encasing an interior box enclosing a food refrigeration chamber. Spaced apart exterior and interior walls on the interior box create compartments for cooling material such as dry ice. Cooling material is selectively placed in the cooling compartments to control the temperature in the refrigeration chamber without electricity or other external power source. The cooling compartments are vented to the outside of the cooling container to avoid exposure of the refrigeration chamber to gases produced by dissipating cooling material. The shipping container is skid mounted and has lifting lugs for attachment to lifting slings.

An intelligent lubricating system for a marine engine is composed of a temperature sensor (1), a liquid level meter (2), a flow meter (3), a pressure sensor (4), an in-oil-particle detector (5), an in-oil-moisture detector (6), a data acquisition and processing unit (7), an alertor (8), an automatic oil purifier (9) and an upper computer (10), wherein the temperature sensor (1), the liquid level meter (2), the flow meter (3), the pressure sensor (4), the in-oil-particle detector (5), the in-oil-moisture detector (6), the data acquisition and processing unit (7), the alertor (8), the automatic oil purifier (9) and the upper computer (10) are connected through wires. The temperature sensor (1) and the liquid level meter (2) are arranged in an oil tank (21), the flow meter (3) and the pressure sensor (4) are arranged on oil pipelines of lubrication points of the marine engine, the in-oil-particle detector (5) and the in-oil-moisture detector (6) are arranged outside the oil tank (21) and are connected with the oil tank (21) through pipes, and the upper computer (10) is arranged in an operation room and is communicated with the data acquisition and processing unit (7) in a wired or wireless mode. According to the intelligent lubricating system for the marine engine, the on-line detection technology and the automatic maintenance technology are applied to carry out improvement on the lubrication system on the marine engine, the lubrication problems in the marine industry can be solved to a great extent, and huge benefit can be obtained on energy saving, emission reduction and noise reduction.

The invention relates to the technical field of macromolecular alloys, particularly a high foaming polyethylene alloy material and a preparation method therefore. The high foaming polyethylene alloy material comprises the following raw materials in parts by weight: 100 parts of polyethylene resin, 2-10 parts of PP-g-gamma-(methyl acryloyl oxy)propyl trimethoxy silane, 1-10 parts of a foaming agent, 1-15 parts of calcium carbonate, 0.5-5 parts of a lubricant, 0.5-3 parts of a dispersant, 0.5-2 parts of a coupling agent, 0.2-5 parts of a crosslinking agent and 0.1-0.5 part of an antioxidant. By adopting the technical scheme, the high foaming polyethylene alloy material is suitable for die forming and foaming of products in various shapes and pressure-free forming and foaming; the foamed body not only is highly foamed and is high in hardness and good in buffering and damping effect, but also can be used in the field of building materials, packaging, light industry and the like and further can be used for meeting the requirements in military industry and marine industry on buffering and shock resistance, light weight of equipment, filling of specially shaped products and the like.

The invention discloses wear-resistant and corrosion-resistant high-chromium iron-based amorphous alloy and a preparation method thereof, and belongs to the field of amorphous alloy. The atomic percent expression of the iron-based amorphous alloy system is (Fe1-aNia)77-x-y-zCrxMoyCuz(C1-bPb)15B6Y2, wherein x= 23-27, y= 18-22, z= 0-8, a= 0-0.1, and b= 0-0.1. By reasonable regulation and control over the contents of Cr and Mo in the system, the thermal stability, hardness, wear resistance and corrosion resistance can be improved effectively; by further micro doping, the shear elasticity of the system can be reduced, thus, the fracture toughness of the amorphous alloy is improved to a certain degree, and wear resistance is further improved favorably; and by addition of Cu element, the amorphous alloy can have a certain antibacterial property. The method for preparing the amorphous alloy is simple. The alloy can be applied to the fields of surface engineering, marine industry, biological medicine and the like.

The invention discloses a synergistic insect-repellent compound fertilizer with marine active ingredients special for vegetables. The synergistic insect-repellent compound fertilizer comprises 50-70 parts of seaweed rhizome powder, 15-25 parts of alginate, 3-5 parts of amino acid, 3-5 parts of functional bacteria, 3-5 parts of chitosan oligosaccharide and 3-5 parts of nutrient elements. The raw materials are evenly mixed and evenly stirred, and then the synergistic insect-repellent compound fertilizer with the marine active ingredients special for vegetables is obtained. Due to the fact that the marine active ingredients such as the seaweed rhizome powder are added in the synergistic insect-repellent compound fertilizer, on the one hand, marine industry leftover materials are sufficiently utilized to be turned into wealth; on the other hand, vitamins and microelements in the fertilizer can be increased through the marine industry leftover materials, and the requirement for balance matching can be met when the marine industry leftover materials and nutrient elements are effectively matched. The synergistic insect-repellent compound fertilizer can effectively increase crop growth speed, is beneficial to shortening the crop mature period, can increase crop output, and also has the insect expelling and killing effect after the function bacteria are effectively matched with the amino acid and the alginate.

The invention discloses a dynamic simulation experiment device for an anti-rust property and an antifouling property of a marine equipment surface coating. The dynamic simulation experiment device comprises a fixing and supporting device, a power device, a telescopic device and a sensing device, wherein the fixing and supporting device comprises a base and a main support rod positioned on the base; the upper part of the main support rod is provided with an upper support plate and a lower support plate; the power device comprises a main motor and an auxiliary motor; the main motor is connected with a belt wheel I which is arranged on the lower support plate through a motor shaft; the belt wheel I is connected with a spline belt wheel through a belt I; an output shaft of the auxiliary motor is connected with a belt wheel II; the belt wheel II is connected with an end cam through a belt II; the telescopic device comprises a spline shaft which is connected between the end cam and the spline belt wheel; an upper part of the spline shaft is in contact with the end cam through a rolling pin, a lower part of the spline shaft is connected with the telescopic rod; a lower end of the telescopic rod is connected with a detection disk for mounting a sample plate. The device disclosed by the invention is skillful in design, is high in stability, and can be used for simulating underwater complex motion states and facilitating the development of marine industry.

The invention provides a marine industry news pushing method based on a knowledge graph. The marine industry news pushing method comprises the following steps: S1, constructing a marine industry domain knowledge graph and a marine industry domain news library; s2, obtaining a query intention according to query information input by a user; s3, inputting the query intention into the marine industry domain knowledge graph for element query to obtain user interest lexical items; s4, extracting a keyword lexical item of each part of marine industry news; s5, performing relevancy scoring on the user interest lexical items and the keyword lexical items to obtain relevancy scores; s6, sorting the marine industry news by taking the relevancy score as a sorting standard, and pushing the sorted marine industry news to the user; and S7, after the user clicks reading, performing secondary information extraction on the read news, superposing the secondary information and the query intention to serve as a secondary query intention, and executing S3S6. The news conforming to the interest points of the user can be accurately pushed to the user to be read by the user, and convenience is brought to the user.

The invention discloses an enterprise data analysis method based on clustering ensemble learning, and the method comprises the following steps: S1, obtaining the data of a to-be-analyzed industry, and finding out a plurality of main to-be-analyzed enterprises in the to-be-analyzed industry, where the embodiment analyzes the marine industry in Guangzhou regions; S2, crawling related data of an enterprise to be analyzed; s3, preprocessing the crawled data, and arranging the preprocessed data into a data set; s4, performing clustering ensemble learning on the data set by adopting KMeans as a base clustering device to obtain a basic clustering result; s5, constructing a joint matrix by using a basic clustering result; and S6, processing the joint matrix by adopting single-link hierarchical clustering to obtain a final clustering integration result of the to-be-analyzed enterprise. The invention has the characteristics of accuracy, stability, robustness, convenience in calculation and high practicability.

The invention discloses a device for recovering hydrogen chloride tail gas. The device comprises a bittern spray pump, a spray absorption tower, an absorption liquid delivery pump and an industrial salt evaporation tank which are communicated with one another in sequence, wherein the tower top of the spray absorption tower is provided with a hydrogen chloride tail gas exhaust port; a spray header communicated with the bittern spray pump is arranged at the upper part of the tower, a hydrogen chloride tail gas inlet is formed in the lower part of the tower, and an absorption liquid outlet is formed in the bottom of the tower and is communicated with the absorption liquid delivery pump; and an inlet of the bittern spray pump is communicated with a waste bittern discharge pipeline. The device is suitable for recovering the hydrogen chloride tail gas of the marine industry, and can not only recycle tail gases containing hydrogen chloride and generated by synthesis workshops and drying workshops of products including 2,4-binitro-6-bromaniline, 2,4-binitro-6-chloroaniline or 2,6-dibromo-4-nitro-chloroaniline and the like and improve the yield and quality of industrial salts, but also reduce the production cost and avoid secondary pollution caused by dedusting water to the environment.

The invention discloses a synchronous jacking system applied to the marine industry. The synchronous jacking system comprises an electronic control system module, a hydraulic pump station module, a hydraulic jack module, a control valve module, a data detection module and a data recording module; and the hydraulic jack module and the hydraulic pump station module are connected, and the data detection module comprises a pressure sensor module and a displacement sensor module. The synchronous jacking system has the beneficial effects that through hydraulic drive, pressure and displacement closed-loop automatic control mode, multi-point control is achieved, and heavy load weighing, synchronous jacking, synchronous landing, controllable stroke, attitude adjustment, automatic voltage regulationand the like can be achieved; through a speed adjusting module, the jacking accuracy of each hydraulic jack in each group is improved, in cooperation with proper monitoring and electronic control, the lifting speed of the hydraulic jacks can be precisely controlled, and synchronous control over the hydraulic jacks can be realized, so that the bottom of a jacking object is horizontal and stable inthe jacking and landing process, and the system is intuitive and convenient, and maintenance and repairing are simple.