CN217609036U - Water changing and metabolite discharging device suitable for shellfish family larva cultivation - Google Patents

Abstract

The utility model relates to a trade water and metabolite eduction gear that is adapted to shellfish family larva and cultivates belongs to aquaculture technical field, the device includes outlet pipe, gasbag, PE drain pipe, has two PE four-way pipes that enlarge the reducing, bolting-silk, the PE who has the lid bevels inlet tube and spring control switching device, install the gasbag on the outlet pipe, the one end of outlet pipe is free open end, the other end is connected with PE drain pipe, PE drain pipe connection PE four-way pipe's first joint, the second joint is connected PE bevels inlet tube, the end of PE bevels inlet tube is equipped with the lid that can open and shut, the opening and shutting of spring control switching device control lid; the cover is buckled with the tail end of the PE beveling water inlet pipe through opposite attraction of magnets; the utility model discloses avoided the larva in the use to trade the loss of water in-process and the damage of dried dew, can obviously improve the family larva and trade the work efficiency of water and blowdown in-process.

Description

Water changing and metabolite discharging device suitable for shellfish family larva cultivation

Technical Field

The utility model relates to an aquaculture technical field, concretely relates to shellfish family larva is cultivated and is traded water and metabolite discharging equipment.

Background

With the progress of science and technology, the aquaculture industry is also rapidly developed. For shellfish genetic breeding, family construction and breeding are important means for breeding individuals with excellent traits. The shellfish generally lives in a 120-250L water tank for cultivation in a planktonic larva stage, and metabolites are continuously accumulated in the process, so that the water quality pollution is aggravated, and the survival influence on the larva is serious. Therefore, water changing is an indispensable link, but the water changing work load is large, time and labor are consumed, and the problems of water body deterioration, cross contamination and the like are increased. In addition, the cleaning work of the metabolites is a relatively troublesome problem, and if the metabolites are cleaned while the water is changed, the workload is increased.

Disclosure of Invention

The invention aims to provide a water changing and metabolite discharging device suitable for small water bodies in a shellfish family building process, which discharges bottom metabolites simultaneously in the water changing process and is simple to operate.

The utility model adopts the technical proposal that:

a water changing and metabolite discharging device suitable for shellfish family larva cultivation comprises a water outlet pipe, an air bag, a PE drain pipe, a PE four-way pipe with two expansion and reducing diameters, a bolting silk, a PE oblique cutting water inlet pipe with a cover and a spring control switch device, wherein the air bag is installed on the water outlet pipe, one end of the water pipe is a free opening end, the other end of the water pipe is connected with the PE drain pipe, the PE drain pipe is connected with a first connector of the PE four-way pipe, a second connector of the water pipe is connected with the PE oblique cutting water inlet pipe, the tail end of the PE oblique cutting water inlet pipe is provided with a cover capable of being opened and closed, the spring control switch device controls opening and closing of the cover, the spring control switch device comprises a spring, a fixed pulley and a tensile rope, one end of the spring is connected with the inner wall of the PE oblique cutting water inlet pipe, the other end of the spring is connected with the inner side of the cover, the cover is fixed on the outer side of the cover through the fixed pulley, and the other end of the tensile rope extends to the water outlet pipe; a magnet is arranged at the end, far away from the rotating shaft, of the cover, a magnet with the opposite magnetism to the magnet on the cover is arranged at the far end of the PE beveled water inlet pipe, and the cover and the tail end of the PE beveled water inlet pipe are in attractive and buckled together through opposite polarities of the magnet;

the four-way pipe is provided with two opposite expanding and reducing pipes, and the tail ends of the expanding and reducing pipes are fixed with bolting silk.

Further, the two expanded reducing diameters of the PE four-way pipe are both 15 cm.

Further, the water outlet hose is made of PVC materials and has the diameter of 2 cm. An expanded air bag is arranged at the position close to the tail end of the device, pressure is applied to the device before water is drained, and water in the culture pond is drained through the siphon action.

The use method of the device comprises the following steps: when water needs to be changed and dirt on the bottom of the culture pond needs to be sucked out, the shellfish healthy larvae float on the upper water body and generally settle to dead or unhealthy larvae on the bottom of the culture pond, therefore, the device is placed at the bottom of the culture pond, the pulling force rope is pulled, the pulling force is transmitted to the cover through the fixed pulley, the cover is opened by overcoming the magnetic attraction force, the spring is stretched at the moment, water on the upper part of the culture pond enters the PE pipe after being filtered through the bolting silk through two expanding reducing diameters of the PE four-way pipe, the dirt and the dead larvae on the bottom of the culture pond enter the PE pipe through the opening end of the PE oblique cutting water inlet pipe, the lower part of the PE water outlet pipe is completely immersed in the water, and the disadvantage that the larvae are dry and exposed in the drainage process is avoided. In addition, the device should be shaken periodically during use to prevent larvae from adsorbing on the bolting silk and causing death. When the waste water is discharged to a certain position, the device is taken out, the device is repeatedly washed by clean seawater, and fresh seawater is injected to replace the water. After water changing and sewage discharging are finished, the pull rope is loosened, and the cover is buckled with the opening end of the PE beveling water inlet pipe again through the magnet suction force under the action of the spring resilience.

Compared with the prior art, the invention has the following beneficial effects:

the utility model discloses it is low to have the cost of manufacture, simple structure, convenient to detach easily promotes. Wherein the arrangement of the sewage discharge device is beneficial to the cleaning of the shellfish larva breeding environment. In addition, the bolting silk design sewed on the circle and matched with the PE four-way pipe avoids the loss of the larva in the water changing process and the damage of the exposure, and can obviously improve the working efficiency of the family larva in the water changing and sewage discharging process.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of the lower part of the present invention in a state where the cover is opened;

in the figure, 1, a cover, 2, a PE oblique cutting water inlet pipe, 3, a spring, 4, a PE four-way pipe, 5, a bolting silk, 6, a PE water outlet pipe, 7, a water outlet pipe, 8, an air bag, 9, a fixed pulley, 10 and a tension rope.

Detailed Description

The following further explains the embodiment of the present invention by combining the attached drawings, as shown in fig. 1 and fig. 2, a water changing and metabolite discharging device suitable for shellfish family larva cultivation, the device comprises a water outlet pipe 7, an air bag 8, a PE drain pipe 6, a PE four-way pipe 4 with two expanding and reducing diameters, bolting silk 5, a PE oblique cut water inlet pipe 2 with a cover 1 and a spring control switch device, the air bag 8 is installed on the water outlet pipe 7, one end of the water pipe is a free open end, the other end is connected with the PE drain pipe 6, the PE drain pipe 6 is connected with a first joint of the PE four-way pipe 4, a second joint is connected with the PE oblique cut water inlet pipe 2, the end of the PE oblique cut water inlet pipe 2 is provided with the cover 1 capable of opening and closing, the spring control switch device controls the opening and closing of the cover 1, the spring control switch device is composed of a spring 3, a fixed pulley 9 and a tension rope 10, one end of the spring 3 is connected with the inner wall of the PE oblique cut water inlet pipe 2, the other end is connected with the inner side of the cover 1, and the cover 1 is fixed on the side wall of the PE oblique cut water inlet pipe 2 by a rotating shaft, one end of the tension rope 10 is fixed on the outer side of the cover 1 by the fixed pulley 9, the tension rope 7, the tension rope 10 extends to the outer side of the cover 7; a magnet is arranged at the end, far away from the rotating shaft, of the cover 1, a magnet with the opposite magnetism to the magnet on the cover 1 is arranged at the far end of the PE chamfered water inlet pipe 2, and the cover 1 and the tail end of the PE chamfered water inlet pipe 2 are in attractive engagement through opposite polarities of the magnet;

the PE four-way pipe 4 is provided with two opposite expanding and reducing pipes, and the tail ends of the expanding and reducing pipes are fixed with bolting silk 5.

The PE four-way pipe 4 and the water inlet pipe are made of PE materials, the two expanded reducing diameters of the PE four-way pipe 4 are both 15 cm in diameter and 30cm in length, bolting silk 5 is fixed at the tail end, and the mesh size of the bolting silk 5 can be changed randomly according to the size of larvae, and is generally 150-300 meshes.

The water outlet hose is made of PVC materials, has the diameter of 2 cm, can adjust the length according to the size of the culture tank, is provided with an expanded air bag 8 close to the tail end, applies pressure to the device before water drainage, and discharges water in the culture tank through the siphon action.

The PE oblique cutting water inlet pipe 2 is regulated and controlled through a spring control device, and when water is normally changed, the cover 1 of the oblique cutting opening is in a closed state; however, when the metabolic waste and the sediment in the culture tank need to be discharged, the healthy larvae of the shellfish float on the upper water body and sink to the bottom of the culture pond and are generally dead or unhealthy larvae, therefore, after the device is placed at the bottom of the culture pond, the pulling rope 10 is pulled, the pulling force is transmitted to the cover 1 through the fixed pulley 9, the cover 1 is opened by overcoming the magnetic attraction force, the spring 3 is stretched, the water at the upper part of the culture pond enters the PE pipe after being filtered through the bolting silk 5 through the two expanding and reducing diameters of the PE four-way pipe 4, the dirt and the dead larvae at the bottom of the culture pond enter the PE pipe through the opening end of the PE oblique cutting water inlet pipe 2, the part below the PE water outlet pipe 7 is completely immersed in the water, and the disadvantage that the larvae are exposed in the water discharging process is avoided. In addition, the device should be shaken periodically during use to prevent larvae from adsorbing on the bolting silk 5 and causing death. When the waste water is discharged to a certain position, the device is taken out, the device is repeatedly flushed by clean seawater, and the fresh seawater is injected to replace the water. After water and sewage are changed, the pull rope 10 is loosened, and the cover 1 is buckled with the opening end of the PE beveling water inlet pipe 2 again through the magnet attraction force under the action of the resilience force of the spring 3.

Claims (3)

1. The water changing and metabolite discharging device is suitable for shellfish family larva cultivation and is characterized by comprising a water outlet pipe, an air bag, a PE drain pipe, two PE four-way pipes with expansion and reducing diameters, bolting silk, a PE oblique cut water inlet pipe with a cover and a spring control switch device, wherein the air bag is installed on the water outlet pipe, one end of the water outlet pipe is a free opening end, the other end of the water outlet pipe is connected with the PE drain pipe, the PE drain pipe is connected with a first connector of the PE four-way pipe, a second connector of the water outlet pipe is connected with the PE oblique cut water inlet pipe, the tail end of the PE oblique cut water inlet pipe is provided with the cover capable of being opened and closed, the spring control switch device controls opening and closing of the cover and consists of a spring, a fixed pulley and a tensile rope, one end of the spring is connected with the inner wall of the PE oblique cut water inlet pipe, the other end of the spring is connected with the inner side of the cover, the cover is fixed on the side wall of the PE oblique cut water inlet pipe through a rotating shaft, one end of the tensile rope is fixed on the outer side of the cover through the fixed pulley, and the other end of the tensile rope extends to the water outlet pipe; a magnet is arranged at the end, far away from the rotating shaft, of the cover, a magnet with the opposite magnetism to the magnet on the cover is arranged at the far end of the PE chamfered water inlet pipe, and the cover and the tail end of the PE chamfered water inlet pipe are in attractive buckling together through opposite polarities of the magnet;

the PE four-way pipe is provided with two opposite expansion and reducing pipes, and the tail ends of the expansion and reducing pipes are fixed with bolting silk.

2. The device as claimed in claim 1, wherein the two expanded reducing diameters of the PE four-way pipe are both 15 cm.

3. The device according to claim 1, wherein the water outlet pipe is made of PVC material and has a diameter of 2 cm.

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