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

The invention discloses a combined fishnet square net cage used for mariculture, relating to a mariculture net cage. In the combined fishnet square net cage, a cupronickel B10 stretching net, a brass HA177-2 stretching net, a high-strenght single-fast-knot polyethylene fibre net, a high-strength nylon warp knitting net, a fishing high-strength polyethylene monofilament rope, a galvanized iron pipe and a cylindrical foam buoy are adopted. The combined fishnet square net cage is characterized in that a frame system used for the net cage is of a square double-row galvanized iron pipe frame structure. In a fishnet system used for the net cage, a double-layer synthetic fibre fishnet serves as a first fishnet, a combined copper alloy stretching net serves as a second fishnet, and the first fishnet and the second fishnet are in longitudinal semi-soft connection; a square synthetic fibre fishnet is in a combined fishnet form of the fishnets used for the net bottom of the net cage; the combined fishnet used for the net bottom of the net cage is hung on the square double-row galvanized iron pipe frame; and the square double-row galvanized iron pipe frame of the net cage is connected with a float line frame of a mooring system by a mooring rope.

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 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.

A functional aquaculture net cage for yellow pond turtle comprises a cage top, a cage side and a cage bottom and is characterized in that the cage top is a circular net sewn with bite-proof small-meshed superhigh molecular weight polyethylene nets, the cage side which is circular is formed by sequentially connecting copper alloy woven meshes in a semi-flexible manner, foam floats disposed on middle ropes of the copper alloy woven meshes forming a ring form a floating system, the cage bottom in a two-layer structure is formed by binding a plastic board and a copper alloy woven mesh, upper ropes of the cage side nets are sewn to an outer circular rope of the cage top net, lower ropes of the cage side nets are sewn to the edge of the cage bottom, four sinkers are hung at four corners of a cage body respectively, a floating rest plate is disposed in the cage, the cross section of the floating rest plate is in the shape of an equilateral trapezium, an upper line of the equilateral trapezium is 30cm away from a lower line, submerged part of the floating rest plate is 5cm-8cm in height, and the middle ropes of the cage are connected with a floating rope frame of a cage mooring system in an aquaculture water through mooring ropes.

The invention relates to a cylindrical copper-alloy netting net cage for aquaculture. The cylindrical copper-alloy netting net box adopts a high-strength single-dead-knot polyethylene-fiber net, a high-strength polyamide warp knitting net and a copper-alloy rhombic net and is characterized in that a buoyancy system of the net cage is in a combined structure of black high-density polyethylene double floating pipes and cylindrical floaters; a netting system for the net cage consists of a double-layer synthetic-fiber netting as a netting I, a copper-alloy rhombic net as a netting II and a high-strength polyamide warp knitting net as a combined netting for the bottom of a net cage body; the netting I and the netting II of the net cage body are flexibly connected by a longitudinal netting; side bolsh lines and lacing lines are assembled on the netting for the bottom of the net cage body, and horizontal lines and vertical lacing lines are arranged on the netting on the side surface of the net cage body; the combined netting for the net cage body is hung on an armrests and a floating pipe inner frame of a net cage frame; an outer frame of the floating pipe frame is connected with a floating rope frame of a fixed mooring system by mooring ropes, and the fixed mooring system of the net cage is used for fixing the floating rope frame in the sea areas for aquaculture by anchors, wood piles, anchor ropes, floating balls and floating ball connecting ropes.

The invention provides a preparation method of a rectangular separation net for deep and far sea culture, which comprises the following steps: preparing a blended antifouling composite material, preparing a light blue monofilament bundle, preparing a rectangular separation net, and mixing polypropylene granules, a polyhexamethylene guanidine hydrochloride grafted modified polypropylene antifouling material, nano copper powder, pyrithione copper powder, tetra [beta-(3, 3, 4-trimethyl-1, 3, 4-trimethyl-1, 3, 4-trimethyl-1, 3, 4-trimethyl-1, 3, 4-trimethyl-1, 3, 4-trimethyl-1, 3, 4-trimethyl-1, 3, 4- 2, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid] pentaerythritol ester, tri (1, 2, 2, 6, 6-pentamethylpiperidinyl) phosphite, phthalocyanine blue pigment, titanium dioxide and turpentine are mixed and uniformly stirred, extrusion granulation is performed 2-3 times through a double-screw extruder to obtain a blended antifouling composite material, light blue monofilament tows are obtained after wire drawing and rolling, and the light blue monofilament tows are used as raw materials. And obtaining the rectangular separation net for deep and far sea culture by using a special rectangular separation net preparation method.

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 structure includes tank cap, oil tank, and high voltage cable, sleeve socket of high voltage, and tail current conducting piece of elbow shaped cable head for connecting high voltage cable. Cold pressure welding can be connected in the connection modes. Replacing sleeve of porcelain vase in prior art, cooperation between the sleeve socket of high voltage and the elbow shaped cable head makes transformers have no exposed electrified body at high voltage side so as to prevent accident caused by that small creature climbs to high voltage connection terminal. The elbow shaped cable head and sleeve socket of high voltage are made from macromolecule insulating material, which possesses certain toughness so as to ensure safety performance in procedures of transportation and operation. Furthermore, distances among sleeve sockets of high voltage in three are reduced.

The invention provides a method for preparing an anti-seaweed adhesion cylindrical hanging cage, which includes the preparation of an outer cover net, including the preparation of an anti-seaweed adhesion composite material, the processing of an anti-seaweed adhesion tow, and the processing of an outer cover net. The spinning raw materials include grafted polymer Guanidine salt/polyethylene pellets, HDPE pellets, dioctyl phthalate, cetyl phosphate, polyethylene glycol fatty acid ester, surface-modified copper-nickel alloy nanoparticles; B, cage assembly, cutting A piece of rectangular outer cover net, and the length of setting this rectangular outer cover net increases 44cm-56cm again than the product of layer height and number of layers, and the width of rectangular outer cover net is 3.142 times of cylindrical hanging cage diameter. The anti-seaweed adhesion cylindrical hanging cage produced by the technical scheme of the present invention can not only greatly improve the anti-seaweed adhesion function of the outer cover net, but also make the water resistance and seaweed and other fouling organisms The reduction of the attachment area can greatly reduce the incidence of algae attachment to the cylindrical hanging cage and the occurrence of cage breaking accidents under severe sea conditions.