33results about How to "Improve antifouling function" patented technology

A high-strength and high-memory composite polyurethane board with antifouling function and its preparation method. The raw materials of the board include organic silicon, polyurethane resin modified by organic fluorine, wear-resistant materials, reinforcing materials, colorants, light stabilizers, Antioxidant, coupling agent and dispersant are produced through kneading, degassing, molding, vulcanization, aging, and heat sealing process with fiber cloth; the invention has excellent stretch resistance, puncture resistance, weather resistance and wear resistance , corrosion resistance and low surface energy, can effectively prevent biofouling and occasions where antifouling coatings cannot be applied, and is suitable for heavy-attachment areas of marine structures in marine structures; it can be used in conjunction with petrolatum anti-corrosion products to achieve heavy-duty anti-corrosion and anti-fouling Pollution dual function; or add to the outer layer of the existing PTC and other coating anti-corrosion systems, increase the anti-fouling function of PTC and other technologies, broaden the application field of PTC and other coating anti-corrosion technologies, suitable for building materials for manufacturing offshore platforms, and can solve the problem of rivers and rivers Anti-corrosion and anti-fouling and high-strength technical problems for buildings and ship structures in lakes and seas.

The invention discloses a method for manufacturing an antifouling and antibiosis type yellow croaker net cage, which relates to a method for manufacturing a mariculture net cage. According to the invention, the method for manufacturing the antifouling and antibiosis type yellow croaker net cage adopts a buoyancy force system and a netting system, and is characterized in that the buoyancy force system adopts a combination buoyancy force form of 'an anti-aging high-density polyethylene double-floating-pipe cylindrical frame structure + 18 cube cystosepiments with each edge length of 60cm; the netting system adopts a combination structure netting form of 'a first box longitudinal netting + a second box longitudinal netting + a net cage bottom netting; the net cage bottom netting is assembledon a circular high-density polyethylene pipe support which is wrapped with a layer of polyamide multifilament wrap knitting net; and three cross lacing lines are installed at the bottom of the net cage, a polypropylene rope is tied at the cross point of the cross lacing lines, and two foam float bowls which are externally wrapped by double-layer seawater corrosion protection canva and nylon nets are tied at the other end of the polypropylene rope.

A stain-repellent stretch net cage for farming large yellow croaker relates to a cage for mariculture of the large yellow croaker. The stain-repellent stretch net cage for farming large yellow croaker is provided with a floating system and a net system and is characterized in that the floating system is in a rectangular frame structure with double floating pipes, the net system is in a combined structure of a longitudinal cage upper end net, a longitudinal cage lower end net and a cage bottom net; the cage bottom net is fitted on a frame wrapped with a synthetic fiber mesh, and the frame is connected with lower edge horizontal ropes of the longitudinal cage lower end net; after the longitudinal cage lower end net is connected with the cage bottom net, vertical man ropes longitudinally disposed along the longitudinal cage upper end net from upper horizontal ropes of the longitudinal cage upper end net extends to edge ropes of the cage bottom net; crossing man ropes are added to the bottom of the cage, crossing man ropes are added along diagonals of the bottom of the cage, a high-strength polypropylene rope is tied to an intersection of the two crossing man ropes arranged along the diagonals of the bottom of the cage, and a cylindrical foam float is tied to the other end of the high-strength polypropylene rope.

The invention discloses a turbot cultivation net cage having an anti-pollution function, and relates to a turbot cultivation net cage. The turbot cultivation net cage uses a hot-dip galvanized iron pipe, a cylindrical plastic foam floating ball, a high-strength single fast knot polyethylene net, a high-strength nylon warp knitting net, an anti-pollution copper alloy rhombus net, a high-strength fishing polyethylene rope, an ultrahigh-strength rope and high-strength fishing lines and is characterized in that: a net cage floating support is welded into a top frame and a bottom frame by using the hot-dip galvanized iron pipe; the cylinder plastic foam floating ball under the lower surface of the bottom frame of the floating support is coated with waterproof cloth and a small-mesh waste netting; a netting system for the net cage consists of a double-layer synthetic fiber netting serving as a first netting and the anti-pollution copper alloy rhombus net serving as a second netting; the first netting and the second netting are connected in a vertical half-soft mode; the net bottom of the net cage is hung with a square galvanized iron pipe framework with edges of 5.0 meters; and the net cage floating support is connected with a floating rope frame through a cable and tied on a berth fixing system.

The invention provides a combined box body system used for a floating net cage and a mated frame system thereof, relating to a seawater cultivation floating net cage. A copper alloy inclined square mesh, a copper alloy weaving mesh, high-strength polyamide warp knitting fishnet, ropes, a galvanized iron pipe and foam buoys. The combined box body system is characterized in that a floating net cageframe system comprises two rows of square galvanized iron pipe frames; the foam buoys are distributed below the two rows of galvanized iron pipe frames; the fishnet system of a net cage body combinesa first high-strength polyamide warp knitting fishnet, a second copper alloy inclined square mesh and the copper alloy weaving mesh used for the bottom of the net cage'; the edge installing wire ropeof the fishnet at the bottom of the net cage is assembled on a square high-strength polyamide pipe frame; the high-strength polyamide pipe frame and a horizontal wire rope at the lower edge of the second copper alloy inclined square mesh are connected by an ultrahigh-strength rope; and a vertical force net is installed in the vertical direction of the fishnet and extends to the edge wire rope of the copper alloy weaving mesh used for the bottom of the net cage.

The invention discloses a method for processing net-combined-type neritic sea square net cages, relates to an aquaculture net cage, and provides a method for processing neritic square net cages. In the invention, a high-strength rope, a high-strength nylon warp knitting net and a copper alloy inclined square net are adopted. The method provided by the invention is characterized in that a double floating tube square frame structure is adopted in a buoyancy system of the net cage; 28 cylindrical foam floaters with the same specification are arranged under the two rows of floating tube frames; the net system of the net cage combines a first high-strength nylon warp knitting net, a second copper alloy inclined square net and a high-strength nylon warp knitting net used for the bottom of the net cage; after being equipped with ropes, the net at the bottom of the net cage is assembled on a high-density polyethylene frame; a vertical force net is longitudinally arranged along the net from the upper horizontal rope of the first high-strength nylon ware knitting net to the bottom of the net cage; 8 sinking blocks are hung on the high-density polyethylene frame used for the bottom of the net bottom evenly, and the weight of each sinking block is 5kg. The method provided by the invention is suitable to be applied to neritic square net cages.

The invention discloses a processing method for antifouling melt spinning for a far-reaching-sea net cage or a floating-rope surrounding net. The processing method is characterized by including the steps that UHMWPE powder, nanometer Cu powder, HDPE powder, silicone powder, antioxidant B225, assistant antioxidant DLTP, hydroxy stearic acid, nanoscale white carbon black, nanoscale kieselguhr, nanoscale aedelforsite, ethylene-vinyl acetate copolymer and turpentine assistant are weighed in the formula, then premixed to be poured into a high-speed kneading pot and subjected to high-speed kneading, and a blending-modification UHMWPE material is obtained; the blending-modification UHMWPE material is belted and extruded through a double-screw extruder, the extruded substance is metered through a metering pump additionally arranged through a double-screw outlet and belted and extruded through a spinneret hole, the extruded primary raw silk is cooled and pre-drafted, the pre-drafted silk is subjected to heat setting, then tows are winded through a silk winding machine of a torque motor, and are subjected to silk dividing through a silk dividing machine, and the antifouling melt spinning for the far-reaching-sea net cage or the floating-rope surrounding net is obtained.

The invention relates to a soft connecting method for coasts and large-scale aquaculture netting. The method is characterized by including: the antifouling ultra-high molecular weight polyethylene netting is made through warp knitting; a reinforced concrete pile is disposed on each of the left coast and the right coast; a standing reinforced concrete pile is disposed at the joint of each coast and the netting, and a vertical lacing line for hanging the netting is disposed on each standing reinforced concrete pile; one end of each of a left coast soft connecting netting horizontal lacing line and a right coast soft connecting netting horizontal lacing line is connected with the corresponding reinforced concrete pile, the other end each of a left coast soft connecting netting horizontal lacing line and a right coast soft connecting netting horizontal lacing line is fixedly tied to the corresponding standing reinforced concrete pile, and each of a left coast soft connecting netting vertical lacing line and a right coast soft connecting netting vertical lacing line is fixedly tied to the corresponding vertical lacing line, for hanging the netting, of the corresponding standing reinforced concrete pile; the left coast soft connecting netting and the right coast soft connecting netting are connected between the reinforced concrete piles; a reinforced concrete weir is poured between the standing reinforced concrete piles, and net hanging horizontal lacing lines are disposed on the surface of the weir; the edge lacing lines of the netting are fixedly tied to the vertical lacing lines, for hanging the netting, of the standing reinforced concrete piles, the lower lacing lines of the netting are fixedly tied to the net hanging horizontal lacing lines, and the floater lacing lines of the netting are fixedly tied to the standing reinforced concrete piles.

The invention discloses an energy-conservation and consumption-reduction type obliquely-square net cage for cultivating large yellow croakers, which is used for mariculture. The technical scheme provided by the invention is that the energy-conservation and consumption-reduction type obliquely-square net cage consists of a buoyancy force system and a netting system, and has the characteristics that the buoyancy force system consists of an inside casing and an outside casing, and the inside casing is connected with a first net cage body longitudinal netting through an ultra high strength dyneema rope; the netting system adopts a combination structure netting form of 'a first box longitudinal netting + a second box longitudinal netting + a net cage bottom netting'; the net cage bottom netting is assembled on a pipe support; micropores are punched in a pipe of the pipe support every 1 meter; after being connected with the net cage bottom netting, the second net cage body longitudinal netting extends to an edge line of the net cage bottom netting along netting longitudinally-installed vertical lines from an upper horizontal line of the box longitudinal first netting; a cross lacing line is additionally arranged at the bottom of the net cage, crossed lacing lines are additionally arranged along the diagonal directions of the bottom of the net cage; and a cross point of the two crossed lacing lines along the diagonal directions of the bottom of the net cage is tied by a rope, and a foam float bowl which is externally wrapped by seawater corrosion protection canva and a nylon net is tied by the other end of the rope.

The invention provides a processing method for synergistic antifouling yarn containing grafted polyguanidine salt nano-copper nickel, including three processes of raw material compounding, melt spinning, stretching and heat setting. Ethylene pellets and surface-modified copper-nickel alloy nanoparticles are the main raw materials. Firstly, a composite material with synergistic antifouling effect is obtained, and then a synergistic antifouling wire is obtained after a wire drawing process. The synergistic antifouling silk performs targeted synergistic antifouling treatment on algae, barnacles and other fouling organisms in actual breeding production, preventing fouling organisms from adhering to the surface of the netting of the breeding facility, and playing a comprehensive and effective synergetic antifouling treatment. The anti-fouling effect, the sea test results show that the anti-fouling net clothing made of the anti-fouling silk can reduce the fouling biological adhesion by more than 20%, and the synergistic anti-fouling effect is very significant.

A high-voltage outlet structure of an oil-immersed distribution transformer, including a tank cover, an oil tank, a high-voltage cable, a high-voltage bushing seat, and an elbow-shaped cable head plugged into the high-voltage bushing seat, wherein: the high-voltage bushing seat is sealed and installed On the tank cover or on the side wall of the fuel tank, the tail conductive part of the elbow cable head is connected to the high-voltage cable, and the connection method can be cold pressure welding. The present invention uses the high-voltage bushing seat and the elbow-shaped cable head to replace the porcelain bushing in the prior art, so that there is no exposed charged body on the high-voltage side of the transformer, and it can effectively prevent the damage caused by small animals climbing to the high-voltage terminal. The accident, improve the anti-fouling function of the transformer. At the same time, the elbow-shaped cable head and high-voltage bushing seat can be made of polymer insulating material, which has certain toughness, and is not easy to be damaged during the transportation and operation of the transformer, ensuring safety performance. In addition, after adopting the present invention, the distance between the three-phase high-voltage bushing seats can also be reduced.

A method of fitting large fishing tackle net between two shores is characterized in that a reinforced concrete column is driven to 2.5m of the sea bed at an intersection of large fishing tackle net and each of left and right shores, a reinforced concrete dyke is cast between the reinforced concrete column and each of the left and right shores, a reinforced concrete horizontal net weir is cast between the two reinforced concrete dykes, a hanger horizontal lacing line is fixed on the top of the reinforced concrete horizontal net weir, a left side line of the large fishing tackle net is fixedly tied and connected to a hanger vertical lacing line on the left reinforced concrete column, a lower line of the large fishing tackle net is fixedly tied and connected to the hanger horizontal lacing line, a right side line of the large fishing tackle is fixedly tied and connected to a hanger vertical lacing line on the right reinforced concrete column, and finally, the ends of float lines of the large fishing tackle net are fixedly tied and connected to the left and right reinforced concrete columns.