33results about How to "The effect of gathering fish is good" patented technology

The invention discloses a spiral tower type fish surviving component, which comprises a spiral bracket, wherein the radius of curvature of the spiral bracket is gradually increased from top to bottom in the vertical direction, the spiral bracket is provided with a plurality of perching bottles made of plastic bottles, the bottom of each perching bottle is provided with an opening, the axis of each perching bottle is parallel to the axis of the spiral bracket, the opening at the bottom of each perching bottle is upward, and the neck of each perching bottle is clamped with a clamp hole arranged in the spiral bracket. The invention aims to provide the spiral tower type fish surviving component which is made of recovered beverage bottles and is low in cost.

The invention discloses an attachment assembly of haloplankton. The attachment assembly comprises a double helix frame formed by two helical elements with a same rotating direction, wherein a curvature radius of the helical element decreases gradually from top to bottom in a vertical direction, the frame is provided with a plurality of external bottle bodies made by a plurality of plastic bottles, the external bottle bodies are installed horizontally and the bottom portions of the external bottle bodies are communicated, and the external bottle bodies are connected with the helical element in a threaded mode through threads located on a bottle neck. The attachment assembly of the haloplankton is made by the recovered plastic bottles and low in cost.

The invention belongs to the field of artificial fish reefs, and particularly relates to an ecotype artificial fish reef. The ecotype artificial fish reef mainly comprises an upper-half oval shell body and a lower-half oval shell body; the upper-half oval shell body is connected with the lower-half oval shell body through a flexible clamping groove; the top of the upper-half oval shell body is provided with a top end hanging ring; the periphery of the upper portion of the lower-half oval shell body is provided with embedded type pulling rings, the embedded type pulling rings are connected with ropes, the other ends of the ropes are connected with a floating body, and the periphery of the bottom of the lower-half oval shell body is provided with four detachable supporting columns. A semi-sealing shell body structure is adopted by the ecotype artificial fish reef, a good fish gathering effect can be achieved, and breeding can be carried out on the shell body; accordingly, the economic benefit is increased, and the double functions of fish gathering and fish breeding are achieved. By adopting materials around pH 7.9 and arranging a basal body layer which is benefit the attachment and growth of creatures on the surface of the artificial fish reef, the fish gathering effect can be rapidly achieved, the ecological balance effect of a high biomass level is achieved, and the artificial fish reef can be recycled and reused.

The invention discloses a continental shelf mixed organism cultivation device. The continental shelf mixed organism cultivation device comprises a floating base and a spherical sunk base. The outside of the floating base is provided with floating balls, an upper cavity and a lower cavity which are separated are disposed in the floating base, a reel used for winding ropes is disposed in the upper cavity of the floating base, an plurality of expanding bases which are arranged in parallel in the vertical direction are disposed under the floating base, and releasing mechanisms used for controlling the expanding bases to releasing from the floating base one by one are disposed between the floating bases and the expanding bases. A plurality of alga cultivation bricks are disposed on the sunk base, the sunk base is connected with the floating base through ropes, the ropes penetrate through middle portions of all the expanding bases, an inner cavity communicating with the external environment is disposed in the sunk base. The invention aims to provide a continental shelf mixed organism cultivation device being reasonable in structure and various in function, capable of providing food for fish shoal and a good protective effect.

The invention discloses a fish gathering structure capable of making full use of wave energy, and aims to provide a fish gathering structure capable of supplying sufficient baits to fishes by raising nutrient substances precipitated on the seabed by means of stirring bottom sediments. The fish gathering structure comprises a hollow reef, a plurality of entrance and exit holes which are formed in the outer side face of the hollow reef and are communicated with the inner cavity of the hollow reef, and a wave energy finish gathering device, wherein the wave energy finish gathering device comprises a floating ball, a connecting rope and a sediment beating plate; the sediment beating plate is rotationally arranged on the side face of the hollow reef through a revolving shaft; a limiting rod for limiting the rotating angle of the sediment beating plate is arranged above the sediment beating plate, and is fixed on the hollow reef; one side of the sediment beating plate is provided with a connecting rod piece; the connecting rod piece and the revolving shaft are positioned on two opposite sides of the sediment beating plate; one end of the connecting rope is connected with the connecting rod piece, and the other end of the connecting rope is connected with the floating ball; the buoyancy of the floating ball is greater than the gravity of the sediment beating plate.

The invention discloses a shallow sea three-dimensional floating algal bed device and a construction method of the shallow sea three-dimensional floating algal bed device. An algal bed comprises soft-chain structures, a rigid framework structure and a shape-setting framework. The rigid framework structure comprises rigid frameworks, rigid framework tying ropes and rigid framework pile cables, wherein cultivation meshes are arranged on the top surfaces of the rigid frameworks, drooping alga cultivation curtains are tied to the side faces of the rigid frameworks, the lower ends of the alga cultivation curtains are connected with the shape-setting framework located underwater, and the rigid frameworks are connected with one another through the rigid framework tying ropes where floating balls are hung; the soft-chain structures are arranged around the connected rigid frameworks, wherein the soft-chain structures comprise rope cables, floating balls, tying ropes and alga cultivation seedling ropes; the drooping alga cultivation seedling ropes are fixed to the rope cables, and the two ends of each rope cable are connected with shape-setting piles through the corresponding pile cables. According to the shallow sea three-dimensional floating algal bed device and the construction method of the shallow sea three-dimensional floating algal bed, operation is simple, the input is low, the yield is high, the important functions of ecological reconstruction and ecological remediation are achieved, the fish gathering effect in ecological cultivation is good, and the economic benefit, the social benefit and the ecological benefit are remarkable.

The invention discloses a tower type structure suitable for breeding marine fishes. The tower type structure comprises a plurality of circular frame body units, wherein the frame body units are arranged coaxially in vertical direction, and are fixed into a shuttle-shaped bracket through a plurality of struts; the shuttle-shaped bracket is provided with a plurality of plastic bottles; and the plastic bottles are uniformly distributed pairwise along the outer sides of the frame body units in a V form, and the plastic bottles on adjacent frame body units are arranged in a staggered way. The invention aims to provide a tower type structure suitable for breeding marine fishes, which is made of recovered plastic bottles and is low in cost.

The invention discloses a breathable algal reef and aims to provide an algal reef capable of effectively clearing away sediments on the surface of the algal reef and avoiding the effect of the sediments on algae adhesion and growth. The breathable algal reef comprises a floating ball, a connecting rope, a conical algal reef body, a guide hole and a piston body, wherein the guide hole is formed in the middle of the algal reef body and penetrates through the top surface and the bottom surface of the algal reef body; the piston body is arranged in the guide hole in a sliding way; a lower limiting convex block is arranged in the guide hole below the piston body; an upper baffle is arranged above an upper opening of the guide hole and is fixedly arranged on the algal reef body; a circle of annular flow guide plates extending obliquely and downwardly towards the outer side of the upper baffle is arranged on the edge of the upper baffle; a pre-tightened compression spring is arranged in the guide hole between the piston body and the upper baffle; a rope through hole is formed in the middle of the upper baffle; a plurality of supporting blocks for supporting the algal reef body are arranged on the bottom surface of the algal reef body; one end of the connecting rope is connected with the floating ball, and the other end of the connecting rope penetrates through the rope through hole and is connected with the piston body.

The invention discloses a device for protecting marine benthons. The device comprises a plurality of square frame body units, wherein the frame body units are vertically arranged, and side lengths are sequentially enlarged from top to bottom; the frame body units are fixedly connected through columns, so that a support is formed; a plurality of large plastic bottles are distributed in a staggered manner on the frame body units; an opening is formed in the bottom of each large plastic bottle; and clamp holes which can be clamped with bottle mouths of the large plastic bottles are formed in the frame body units. The device for protecting marine benthons is made of recycled beverage bottles and low in cost.