31 results about "Marine architecture" patented technology

The invention discloses a method for preparing a protective coating material for buildings around the ocean, comprising the following steps: (1) preparing chitosan and sodium alginate solution; (2) preparing chitosan microemulsion and sodium alginate Microemulsion; (3) mixing sodium alginate microemulsion and chitosan microemulsion to prepare chitosan-sodium alginate nano-microspheres; (4) preparing cross-linked chitosan-sodium alginate particles; (5) Preparation of imprinted polymer microspheres rich in silver ions; (6) preparation of hydrophobically modified acrylic copolymer emulsion; (7) preparation of nano-functionalized hydrophobic acrylic polymer emulsion; (8) preparation of nano-functionalized hydrophobic acrylic polymer emulsion, cement , and fine sand, which can be used as protective coating materials for buildings around the ocean. The protective coating material for buildings around the ocean prepared by the present application can effectively reduce the deterioration and corrosion of marine buildings caused by seawater, and prolong their life in a humid and high-salt environment.

The invention provides a device for suppressing seabed scour of pile foundations of marine buildings, which belongs to the technical field of foundation treatment engineering. The device includes piles, reinforced steel pipes, foundation scour failure critical line, steel pipe top envelope, concrete, cutting head, pipe rammer head and pipe rammer. , the pressing depth of the reinforced steel pipe exceeds the critical line of foundation erosion damage, the top of the reinforced steel pipe gradually extends radially to form an envelope at the top of the steel pipe, and the gap between the reinforced steel pipes and the upper cavity are poured with concrete. The design of the device is reasonable, and has the advantages of high reinforcement strength, convenient construction, shortened construction period, etc., and can effectively restrain seabed scour.

The invention provides an underwater hose floating block in a buoy element (1) of a single point mooring system, and belongs to the technical field of marine construction structural elements. The underwater hose floating block comprises a left half floating block (12), a right half floating block (11) and an inner clip (14), wherein a half-cylindrical through hole is axially formed in the left half floating block (12); the right half floating block (11) and the left half floating block (12) are in mirror symmetry; another half-cylindrical through hole is axially formed in the right half floating block (11); the half-cylindrical through holes form a cylindrical through hole; the inner clip (14) is annular, and is arranged in the cylindrical through hole. The underwater hose floating block can not only provide normal buoyant force, but also rotate with the flowing direction of water, obviously reduce water flow resistance on the underwater hose floating block, and effectively suppress water flow vortex-induced vibration of an underwater hose element, so as to improve the underwater stability of the underwater hose element.

The invention discloses a super-elevation pumping marine concrete. The super-elevation pumping marine concrete is prepared from cement, fly ash, mineral powder, gravel, river sand, a hydration temperature rising regulation and control material, a corrosive ion transport inhibitor, a state modified material, an ultra dispersed water reducing shrinkage plasticity-maintaining additive and water in proportion. According to the super-elevation pumping marine concrete, by means of the hydration temperature rising regulation and control material, cracking caused by low high performance concrete, insufficient hydration and drying shrinkage in later period can be effectively avoided; by means of the hydration temperature rising inhibiting component, adiabatic temperature rising of the concrete can be lowered, and cracking generated by the temperature stress is reduced; by adopting the corrosive ion transport inhibitor, the pore structure of the concrete can be optimized, transport paths of ions such as Mg<2+> and Cl<->, and the concrete is better served in marine salt spray environment; the state modified material has the specific ball effect and water retention characteristic, and the phenomena of segregation and pipe blocking occurring in the super-elevation pumping process are avoided. The concrete is suitable for super-elevation pumping marine buildings and has the important engineering application value.

The invention relates to an anti-collision device combined with a chiral negative Poisson's ratio structure and a honeycomb structure, belonging to the technical field of impact protection devices. The invention includes an anti-collision device. The anti-collision device is provided with a rigid inner cushion, a chiral negative Poisson's ratio layer, a rigid middle cushion, a honeycomb layer and a rigid skin from the inside to the outside. The chiral negative Poisson's ratio layer is along the plane The chiral negative Poisson's ratio structure arranged in the inner direction, the honeycomb layer is a honeycomb structure arranged in the out-of-plane direction, and the rigid inner cushion, rigid middle cushion and rigid skin are all fixedly connected with the adjacent layers, for high corrosion resistance The outer surface of the rigid skin of the environment can be sprayed with anti-corrosion materials. The invention fully utilizes the characteristics of light energy absorption of porous materials and the good impact resistance performance of the negative Poisson's ratio structure. Compared with traditional anti-collision devices, the invention has the advantages of light weight, good energy absorption, continuous impact resistance and easy repair. , can be widely used in the field of safety protection of land and marine building structures.

The invention belongs to the technical field of marine construction engineering anticorrosion, and in particular relates to a composite photoanode film and its preparation method and application. The preparation method of the composite photoanode film includes the following steps: (1) placing the conductive surface of the conductive glass in an aqueous solution containing manganese salt and molybdate, and undergoing hydrothermal reaction to obtain the MnMoO film attached to the surface. 4 film of conductive glass; (2) by pyrolysis method in the MnMoO 4 Surface deposition of film C 3 N 4 . The composite photoanode film of the invention helps to realize the photocathode protection of the concrete reinforcement of the marine engineering structure, and improves the durability of the concrete structure of the marine engineering.

The invention belongs to the technical field of marine construction engineering anticorrosion, and in particular relates to a photoanode film and its preparation method and application. The preparation method of the photoanode film of the present invention includes the following steps: (1) pretreating the conductive glass; salt, cobalt salt and tetrabutyl titanate, hydrothermal reaction; (3) calcining the product obtained through step (2) to obtain SrTiO 3 ‑CoTiO 3 Photoanodic film. The SrTiO 3 ‑CoTiO 3 Photoanodic films can be used to improve the durability of marine construction works (concrete structures, etc.).

The invention discloses a local buoyancy ocean platform of offshore wind power, a bridge and an ocean building, and a construction method. The platform comprises at least one buoyancy cylinder, wherein the buoyancy cylinders are arranged vertically; the bottoms of the buoyancy cylinders are conical; and the buoyancy cylinders are hollow cylinders. Buoyancy of the buoyancy cylinders can be used for offsetting the weight of partial hydraulic buildings; small-bore bored piles or small-bore driven piles are arranged at the bottoms of the buoyancy cylinders, and fixed with seabed bed rock or a supporting layer, and support an external force together with a soil layer at the conical bottoms of the buoyancy cylinders; a tilting load borne by a whole foundation is converted into a vertical pressing and up-pull load of a single buoyancy cylinder foundation by a multi-buoyancy-cylinder space structure; the bearing capacity and the tilting resistance of the foundation are very high; multiple platforms can be connected into a multi-platform system; the platform can be cast in land, prefabricated, or assembled on a coast, and then hauled, towed and floated to a mounting position; and the platform is applied to ocean green energy sources such as the offshore wind power, the bridge and the ocean building with a soil layer of above 5m and water depth of about 5m to 50m, and has great potential economic benefits.

The invention discloses super-thickness film epoxy double-component anticorrosive paint which comprises a component A and a component B, wherein the component A comprises the following ingredients by weight percent: 20-30% of epoxy resin, 2-5% of amino resin, 0.5-2% of an additive, 2-5% of a plasticizer, 10-20% of a solvent, 5-10% of titanium dioxide and 40-60% of a filter; the component B comprises the following ingredients by weight percent: 80-90% of substituted phenolic aldehyde and 10-20% of a solvent; and the mass ratio of the component A to the component B in the mixture is (10-20):(1-3). The anticorrosive paint disclosed by the invention has the characteristics of strong adhesive force, quick drying and excellent anticorrosive property, can be cured at a low temperature and is high in solid content, and the thickness of the dry film can reach 150 mu m after once construction; construction procedure is reduced, construction period is shortened; and the super-thickness film epoxy double-component anticorrosive paint is suitable for large steel structure anticorrosive engineering such as heavy-duty supporting system bridges, marine structures, electric power facilities, ships (above water line) and chemical equipment and is suitable for anticorrosive coating of steel facilities such as bridges, ships and large machinery equipment.

The invention belongs to the technical field of corrosion inhibition of metal materials in marine construction engineering, and in particular relates to a zinc molybdate-cobalt titanate coaxial fiber photoanode film and its preparation method and application. The zinc molybdate-cobalt titanate coaxial fiber photoanode film is a coaxial fiber-like ZnMoO 4 ‑CoTiO 3 nanoheterojunction. The zinc molybdate-cobalt titanate coaxial fiber photoanode film of the present invention can effectively solve or alleviate the problem that photoanode materials used for photocathode protection in the prior art have poor anticorrosion effect on metals used in marine construction projects, Realize high-efficiency photocathode protection of marine construction engineering structures, and improve the durability of marine construction engineering (deep sea engineering structures).

The invention provides a spray quick-setting waterproof coating for marine anticorrosion and its preparation and construction method. The present invention is composed of material A and material B. According to weight percentage, material A is composed of the following components: 40-65% of emulsified asphalt, 27-50% of rubber emulsion, 8-20% of zinc oxide dispersion, 5-5% of filler slurry 15%, sodium silicate aqueous solution 0.05-3%, anti-aging agent 1.5-2.5%, anti-mold and antibacterial agent 0.03-0.08%, defoamer 0.1-0.3%; B material is composed of the following components: Chloride-free Soluble metal salt 5-20%, ethylene glycol 1-5%, alkyl polyoxyethylene ether 0.1-0.5%, and the rest is deionized water. The waterproof coating film for marine anticorrosion prepared by the invention has good chloride ion permeability resistance, good waterproof and antibacterial effects, and can be used for marine building waterproofing.

An anti-wind and wave device for offshore piles comprises a rubber disc body, an inflatable supporting device inside the disc body, a circular thin-walled steel hoop, and screws. The rubber disc body includes a rubber upper plate and a rubber lower plate, and the lower surface of the rubber upper plate ring-shaped edge and the rubber lower plate ring-shaped edge upper surface are prefabricated as a whole; the rubber plate body air chamber inflation matching device includes Inflatable nozzle, octagonal screw cap, air guide tube, gas valve switch, air pressure gauge, inflatable air pump. The advantage of this patent is that: when the pile body undergoes a large displacement and deformation under the action of horizontal load, the lower surface of the plate body contacts with the silt soil to generate a vacuum negative pressure effect, which stabilizes the horizontal load resistance of high-pile marine buildings Compared with other methods, the construction operation is quick and the project cost is low.