CN218999258U

CN218999258U - Hatching device for fertilized eggs of abalone fries

Info

Publication number: CN218999258U
Application number: CN202223314975.0U
Authority: CN
Inventors: 杨晓斌; 卢龙飞; 刘力源; 王毓江; 王钧; 刘虹华
Original assignee: Rongcheng Yixiang Aquaculture Co ltd; Weihai Changqing Ocean Science And Technology Co ltd
Current assignee: Rongcheng Yixiang Aquaculture Co ltd; Weihai Changqing Ocean Science And Technology Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-05-12
Anticipated expiration: 2032-12-08

Abstract

The utility model provides a hatching device for fertilized eggs of abalone fries, and relates to the technical field of aquaculture, wherein the hatching device comprises a hatching tank, a water inlet pipe is arranged above the hatching tank, and a discharge pipe is connected to the bottom of the hatching tank; an upper drainage tank is arranged at the upper part of the outer side of the hatching tank, and is communicated with the hatching tank; the inner side of the hatching groove is provided with a baffle plate corresponding to the position of the upper drainage groove; the inner side of the hatching groove is provided with a stirring mechanism; the hatching groove comprises a cylindrical hollow cylinder body, an annular connecting plate and a funnel-shaped bottom, and the baffle plate is arranged at the edge of the inner side of the annular connecting plate; the hatching device for the abalone fry fertilized eggs utilizes the normal running water arrangement and the stirring mechanism to continuously and efficiently clean the fertilized eggs, can discharge the waste water from the upper drainage tank in time, reduces artificial repeated stirring and cleaning, prevents the occurrence of low hatching rate caused by excessive semen and hypoxia, reduces the labor intensity and operation difficulty of the workers, and is convenient for large-scale cultivation and use.

Description

Hatching device for fertilized eggs of abalone fries

Technical Field

The utility model relates to the technical field of aquaculture, in particular to a hatching device for fertilized eggs of abalone fries.

Background

Abalone is a shellfish with high economic value and is listed as the first of eight delicacies of seafood. In recent years, the living standard of people is steadily improved, the demand for seafood, particularly seafood, is gradually increased, and abalone, which is a seafood, is gradually taken on a dining table of the masses along with the gradual expansion of the cultivation scale.

The abalone fry raising industry adopts conventional artificial fry raising to raise fry, and in the fry collecting operation, the eggs and sperms discharged from female and male abalones are collected separately and mixed with diluted semen for fertilization. Bao Luanzi is easy to dissolve in the environment of too much sperm or form deformed fertilized eggs, which adversely affects the hatching of fertilized eggs.

At present, the existing egg washing method mostly adopts a precipitation method, utilizes the characteristic that the specific gravity of the abalone eggs is greater than that of seawater, combines with the characteristic that semen is diluted in advance, tilts the container manually after the abalone eggs are fertilized and precipitated at the bottom of the container, cleans fertilized eggs by the seawater when the upper seawater in the container is poured out, removes redundant sperms in the water to improve the utilization rate of the eggs, then adds the seawater into the eggs easily, tilts the container manually again, and washes the eggs for the second time. Because the egg washing is carried out for many times in the seedling raising process in a manual operation mode, water needs to be poured manually every four fifty minutes, and the labor intensity is high, the egg washing method has the defects of multiple manual operations, high manual operation difficulty and high labor cost, the egg washing method is poor in egg washing effect, the quality of hatching water quality and the quality of a part of fertilized eggs can still be influenced by the sperms which are not cleaned, the hatching rate of the fertilized eggs of abalone seedlings in conventional manual seedling raising is low, and the requirement of abalone seedlings after the abalone culture scale is enlarged cannot be met.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the abalone fry fertilized egg hatching device which reduces manual operation, reduces manual operation difficulty and labor cost and is convenient for large-scale cultivation.

In order to solve the technical problems, the utility model adopts the following technical scheme: the hatching device for the abalone fry fertilized eggs comprises a hatching tank, wherein a water inlet pipe is arranged above the hatching tank, and the bottom of the hatching tank is connected with a discharge pipe; an upper drainage tank is arranged at the upper part of the outer side of the hatching tank, and is communicated with the hatching tank; the inner side of the hatching groove is provided with a baffle plate corresponding to the position of the upper drainage groove; the inner side of the hatching groove is provided with a stirring mechanism.

Further, the hatching groove comprises a cylindrical hollow cylinder, an annular connecting plate and a funnel-shaped bottom, and the funnel-shaped bottom is connected to the lower end of the cylindrical hollow cylinder; the annular connecting plate is arranged at the upper part of the inner side of the cylindrical hollow cylinder body, and the baffle plate is arranged at the edge of the inner side of the annular connecting plate.

Further, the baffle plate is a semicircular bulge which is vertically arranged upwards; the breast board is a plurality of, and a plurality of breast boards encircle fixedly set up in the inboard edge department of annular connecting plate along circumference.

Further, the upper drainage groove is communicated with the hatching groove through a communication port, and the bottom of the upper drainage groove is connected with a drainage pipe;

the communication port is located the outside of breast board, and the top height of communication port is less than the protruding upper end of semicircle form of breast board, and the bottom height of communication port is parallel and level mutually with annular connecting plate.

Further, the stirring mechanism comprises a square tube, a motor and a propeller, the square tube is erected on the top of the cylindrical hollow cylinder body along the horizontal direction, and the motor is fixedly arranged on the square tube; the output of motor is connected with the screw through the connecting rod along vertical setting, and the screw is located the inboard of cylindrical hollow barrel.

Furthermore, the drain pipe and the water inlet pipe are both provided with valves A; the discharge pipe is provided with a valve B.

Compared with the prior art, the hatching device for abalone fry fertilized eggs has the following beneficial effects: the hatching device for the abalone fry fertilized eggs utilizes the normal running water to set and the stirring mechanism to continuously and efficiently clean the fertilized eggs, and simultaneously can timely discharge the waste water from the upper drainage tank, so that the repeated stirring and cleaning operation of the existing common hatching tank by manpower is greatly reduced, the problem of low hatching rate caused by excessive semen and hypoxia is prevented, the labor intensity and the manual operation difficulty are greatly reduced, and the use of large-scale cultivation is facilitated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a hatching apparatus for abalone fry fertilized eggs of the present utility model.

Fig. 2 is a schematic plan view of fig. 1.

Fig. 3 is a side view of fig. 1.

The symbols in the drawings illustrate:

1. a hatching tank; 2. a stirring mechanism; 3. a drain pipe; 4. a water inlet pipe; 5. a valve B;6. a discharge pipe; 7. a tripod; 8. a cylindrical hollow cylinder; 9. an annular connecting plate; 10. a funnel-shaped bottom; 11. an upper drainage tank; 12. square tubes; 13. a motor; 14. a connecting rod; 15. a propeller; 16. a breast board; 17. a communication port; 18. and a valve A.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1-3, the hatching device for the fertilized eggs of abalone fries comprises a hatching tank 1, wherein a water inlet pipe 4 is arranged above the hatching tank 1, and the bottom of the hatching tank 1 is connected with a discharge pipe 6; an upper drainage tank 11 is arranged at the upper part of the outer side of the hatching tank 1, and the upper drainage tank 11 is communicated with the hatching tank 1; the inner side of the hatching groove 1 is provided with a baffle 16 corresponding to the position of the upper drainage groove 11; the inner side of the hatching groove 1 is provided with a stirring mechanism 2.

The hatching groove 1 comprises a cylindrical hollow barrel 8, an annular connecting plate 9 and a funnel-shaped bottom 10, wherein the funnel-shaped bottom 10 is connected to the lower end of the cylindrical hollow barrel 8, the annular connecting plate 9 is arranged on the upper inner side of the cylindrical hollow barrel 8 and is positioned at the position 1/6 of the downward top end of the cylindrical hollow barrel 8. The fence 16 is provided at the inner edge of the annular connecting plate 9. The baffle 16 is a semicircular bulge which is vertically arranged upwards; the number of the baffle plates 16 is plural, and the baffle plates are fixedly arranged at the inner edge of the annular connecting plate 9 along the circumferential direction.

Four triangular brackets 7 are symmetrically arranged at the bottom edge of the cylindrical hollow cylinder body 8, and the triangular brackets 7 play a supporting role on the hatching groove 1.

The upper water draining groove 11 is communicated with the hatching groove 1 through a communication port 17, and the bottom of the upper water draining groove 11 is connected with a water draining pipe 3; the communication port 17 is located the outside of breast board 16, and the top height of communication port 17 is less than the protruding upper end of semicircle of breast board 16, and the bottom height of communication port 17 is parallel and level with annular connecting plate 9.

The drain pipe 3 and the water inlet pipe 4 are respectively provided with a valve A18; the valve B5 is arranged on the discharge pipe 6, the valve B5 can be manually controlled to be opened, and the discharge pipe 6 is used for discharging sewage or collecting the hatched abalone larvae.

The stirring mechanism 2 comprises a square tube 12, a motor 13 and a propeller 15, wherein the square tube 12 is welded at the top of the cylindrical hollow cylinder 8 along the horizontal direction, and the motor 13 is fixedly arranged on the square tube 12; the output end of the motor 13 is connected with a propeller 15 through a connecting rod 14 arranged vertically, and the propeller 15 is positioned on the inner side of the cylindrical hollow cylinder 8. The motor 13 is started to drive the propeller 15 to slowly rotate through the connecting rod 14.

The working method of the hatching device for abalone fry fertilized eggs comprises the following steps: closing a valve B5 on the discharge pipe 6, and putting the female abalone into the hatching tank 1; opening a valve A18 on the water inlet pipe 4, and injecting seawater into the hatching tank 1 through the water inlet pipe 4 to repeatedly stimulate the female abalone so as to lay eggs on the female abalone; after the female abalone finishes spawning, closing a valve A18 on the water inlet pipe 4, taking the female abalone out of the hatching tank 1, and adding a proper amount of seminal fluid of the male abalone into the hatching tank 1; starting the stirring mechanism 2, and driving the propeller 15 by the motor 13 through the connecting rod 14 to stir slowly in the hatching tank 1, so that the ovum and the sperm are mixed uniformly in time;

after the stirring mechanism 2 is used for stirring slowly for 10-20 minutes, the fertilization of the ovum is completed, a valve A18 on the water inlet pipe 4 is opened, fresh seawater enters the hatching tank 1 through the water inlet pipe 4, the liquid level in the hatching tank 1 gradually rises along with the injection of seawater, and the liquid level is discharged out of the hatching tank 1 from the upper drainage tank 11 after the liquid level is over the baffle plate 16 arranged at the edge of the inner side of the annular connecting plate 9; the seawater is supplied in a normal running water manner, and fresh seawater continuously flows into the hatching tank 1 and flows out of the hatching tank 1 from the upper drain tank 11.

The breast board 16 is the semicircle protruding of standing up, and the arc can reduce the rivers dynamics when the sea water is protruding through semicircle, reduces the shearing force of rivers, lets the rivers reduce the impact force of rivers more slowly, avoids the too big larva that causes the damage to fertilized ovum and hatching of rivers dynamics, reduces the influence of rivers to fertilized ovum and larva to avoid rivers to wash fertilized ovum and larva away from upper portion water drainage tank 11.

The seawater is introduced in a normal running water mode, because the number of sperms in the hatching tank 1 is large when the eggs are fertilized in the hatching tank 1, the seawater is continuously injected into the hatching tank 1 and continuously flows out of the hatching tank 1 from the upper drainage tank 11, the stirring mechanism is always stirred at a low speed, and the fertilized eggs are washed by the seawater to discharge the redundant sperms out of the hatching tank 1, so that only the fertilized eggs are left in the hatching tank 1, the egg washing effect is improved, and meanwhile, the manual operation difficulty and the manual labor intensity are greatly reduced; the normal running water seawater introducing mode ensures that fertilized eggs are not anoxic in the process of cleaning and stirring, fresh seawater is continuously introduced, and the seawater in the hatching tank 1 can be replaced, so that the water quality in the hatching tank 1 is improved.

After 8 hours, part of fertilized eggs in the hatching tank 1 start to be unshelled and come out after metamorphosis development, and a valve A18 on the water inlet pipe 4 is closed. After 10-12 hours, the motor 13 of the stirring mechanism 2 is closed, the valve B5 on the discharge pipe 6 is opened, and the empty shell deposited on the funnel-shaped bottom 10 is discharged out of the hatching tank 1 through the discharge pipe 6; then closing the valve B5 on the discharge pipe 6, replacing a new water receiving tank at the lower end of the discharge pipe 6, then opening the valve B5, discharging the hatched larvae in the hatching tank 1 to the outside of the hatching tank 1 through the discharge pipe 6, and finally taking out the hatched larvae perfectly, so that the abalone seedling raising process is changed into a timed simple operation process.

According to the hatching device for the abalone fry fertilized eggs, the water inlet pipe is arranged above the hatching tank 1, the upper water drainage tank 11 is arranged at the upper part of the hatching tank 1, the semicircular raised baffle plate 16 is arranged at the inner side of the upper water drainage tank, the stirring mechanism 2 is arranged inside the hatching tank 1, and the stirring mechanism 2 is used for slowly stirring the fertilized eggs in the fertilization process of the eggs, so that when the fertilized eggs are washed after the fertilized eggs are completed, only one worker is required to open the valve A18 arranged on the water inlet pipe 4, then fresh seawater is continuously injected into the hatching tank 1 through the water inlet pipe 4, along with the rising of the seawater liquid level in the hatching tank 1, the seawater flows out of the hatching tank 1 from the upper water drainage tank 11, the fertilized eggs are continuously cleaned, the baffle plate 16 is arranged to avoid the fertilized eggs from being washed away from the upper water drainage tank 11, the labor intensity and the manual operation amount are greatly reduced, the fertilized eggs can be continuously and efficiently cleaned, meanwhile, the waste water can be discharged from the upper water drainage tank in time, the repeated stirring operation of the conventional hatching tank is greatly reduced, the repeated stirring operation of the hatching sperm is prevented from being carried out, the conventional hatching tank is convenient, and the problem of hypoxia caused is greatly reduced, and the scale of mixing and the hatching semen is convenient to occur.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a device for hatching of abalone fry fertilized eggs, includes hatching groove (1), its characterized in that: a water inlet pipe (4) is arranged above the hatching groove (1), and the bottom of the hatching groove (1) is connected with a discharge pipe (6); an upper drainage tank (11) is arranged at the upper part of the outer side of the hatching tank (1), and the upper drainage tank (11) is communicated with the hatching tank (1); a baffle plate (16) corresponding to the upper drainage groove (11) is arranged on the inner side of the hatching groove (1); the inner side of the hatching groove (1) is provided with a stirring mechanism (2).

2. The hatching apparatus for abalone fertilized eggs according to claim 1, wherein: the hatching groove (1) comprises a cylindrical hollow barrel (8), an annular connecting plate (9) and a funnel-shaped bottom (10), wherein the funnel-shaped bottom (10) is connected to the lower end of the cylindrical hollow barrel (8); the annular connecting plate (9) is arranged at the upper part of the inner side of the cylindrical hollow cylinder body (8), and the baffle plate (16) is arranged at the inner side edge of the annular connecting plate (9).

3. The hatching apparatus for abalone fertilized eggs according to claim 2, characterized in that: the baffle plate (16) is a semicircular bulge which is vertically arranged upwards; the number of the baffle plates (16) is plural, and the baffle plates are fixedly arranged at the inner side edge of the annular connecting plate (9) along the circumferential direction.

4. A device for incubating fertilized eggs of abalone fry as claimed in claim 3, wherein: the upper drainage tank (11) is communicated with the hatching tank (1) through a communication port (17), and the bottom of the upper drainage tank (11) is connected with a drainage pipe (3);

the communication port (17) is located in the outer side of the breast board (16), the top end of the communication port (17) is lower than the upper end of the semicircular bulge of the breast board (16), and the bottom end of the communication port (17) is flush with the annular connecting plate (9).

5. The hatching apparatus for abalone fertilized eggs according to claim 2, characterized in that: the stirring mechanism (2) comprises a square tube (12), a motor (13) and a propeller (15), wherein the square tube (12) is erected at the top of the cylindrical hollow cylinder body (8) along the horizontal direction, and the motor (13) is fixedly arranged on the square tube (12); the output end of the motor (13) is connected with a propeller (15) through a connecting rod (14) which is arranged vertically, and the propeller (15) is positioned at the inner side of the cylindrical hollow cylinder body (8).

6. The hatching apparatus for abalone fertilized eggs according to claim 4, wherein: the drain pipe (3) and the water inlet pipe (4) are respectively provided with a valve A (18); the discharge pipe (6) is provided with a valve B (5).