CN210352699U - Low-cost high-efficient fry hatching apparatus - Google Patents
Low-cost high-efficient fry hatching apparatus Download PDFInfo
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- CN210352699U CN210352699U CN201921277648.8U CN201921277648U CN210352699U CN 210352699 U CN210352699 U CN 210352699U CN 201921277648 U CN201921277648 U CN 201921277648U CN 210352699 U CN210352699 U CN 210352699U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The utility model discloses a high-efficient fry hatching apparatus of low cost, be the incubator of V type including the cross section, the incubator is including two oblique curb plates that form V type structure and two vertical closing plates that are located oblique curb plate both ends, the inboard bottom of incubator is equipped with the inlet tube, be equipped with two rows of inlet openings on the inlet tube, the direction of intaking of two rows of inlet openings respectively is on a parallel with oblique curb plate, respectively is equipped with a delivery port on two closing plates, still is equipped with two filter screens in the incubator, the sub-unit connection closing plate of filter screen and the below that is located the delivery port. This hatching apparatus's incubator adopts the container that the cross section is the V type, can furthest avoid the roe to stop and the adhesion on the lateral wall of container, also can reduce the cost of making the incubator simultaneously and reduce the manufacturing degree of difficulty, has reduced the production of waste material, belongs to aquaculture equipment technical field.
Description
Technical Field
The utility model relates to an aquaculture equipment technical field, in particular to high-efficient fry hatching apparatus with low costs.
Background
In aquaculture, the incubation of eggs of sinking fish is often carried out in pond nets or flat-bottomed hatcheries. The soil pond purse seine is that an independent water surface is enclosed by a filter screen with meshes of proper size in a soil pond, fish eggs are placed in the purse seine, oxygenation equipment is properly added to oxygenate a water body, however, the incubation mode of the soil pond purse seine is greatly influenced by weather change, water in the soil pond contains a large amount of mud, microorganisms and the like, and dead eggs and low incubation rate are easily caused due to the influence of unstable factors such as weather and water temperature. The flat-bottom hatching pool on the shore is large in area, so that sinking eggs are easy to sink to the bottom of the hatching pool, and are adhered to each other, or sink to the bottom for a long time, so that oxygen deficiency is caused, and dead eggs are caused. Therefore, for the incubation of sinking eggs, the key to ensure high hatchability is to prevent the adhesion of the eggs to each other and to increase the dissolved oxygen of the incubation water.
Most of the existing fish egg hatching devices are circular, materials are wasted easily in production, and the fish fry hatching devices are used for conducting oxygenation operation on water bodies in a bottom oxygenation mode, but the problems that filter screens are easily blocked by fish eggs, the fish eggs are easily adhered to each other in water and the dissolved oxygen in the water body is insufficient exist, so that a large number of fish eggs are necrotic due to oxygen deficiency, and the hatching rate is reduced are solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a high-efficient fry hatching apparatus of low cost, the reducible cost of the device improves fry hatchability.
The technical scheme of the utility model is that: the utility model provides a low-cost high-efficient fry hatching apparatus, be the incubator of V type including the cross section, the incubator is including two oblique curb plates and two vertical closing plates that are located oblique curb plate both ends that form V type structure, the inboard bottom of incubator is equipped with the inlet tube, be equipped with two rows of inlet openings on the inlet tube, the direction of intaking of two rows of inlet openings respectively is on a parallel with oblique curb plate, respectively be equipped with a delivery port on two closing plates, still be equipped with two filter screens in the incubator, the sub-unit connection closing plate of filter screen just is located the below of delivery port. The inclined side plates can be square plates, the main body of the hatching device is made of four square plates, the hatching box is in a transverse triangular prism shape, and the conventional fry hatcher mostly adopts a round container, so that the design can greatly reduce the generation of waste materials and further reduce the production cost; the contact line of inlet tube and two oblique curb plates is parallel, and water gets into from the inlet tube, discharges from two rows of inlet openings, and the roe of adhesion on oblique curb plate rolls and the convection current along with the rivers because the impact of rivers.
The sealing plate is a square structural plate. Wherein, the bottom edge of square structural slab and ground contact can support and stably place the incubator on ground alone.
The included angle of two oblique curb plates is not more than 60, and too big if the included angle can lead to oblique curb plate too flat, increases the probability that heavy roe sinks in the bottom and leads to adhesion each other.
The water outlet is connected with a bent pipe through a movable joint, and the other end of the bent pipe is connected with a three-way pipe. Wherein, when the height of water level arrival delivery port, water can get into the delivery port through the filter screen and flow out the incubator, and the three-way pipe can use the delivery port as the centre of a circle rotation, changes the height of three-way pipe during the rotation to adjust the water level in the incubator.
The upper part of the filter screen is obliquely arranged towards the central part of the incubator.
The sealing plate is also provided with a horizontal aeration disc, the aeration disc is connected with an air pipe, and the air pipe is connected with an external air pump. Wherein, the position of the aeration disc corresponds to the position of the projection of the filter screen in the horizontal direction.
And a plurality of nozzles facing the filter screen are arranged between the filter screen and the sealing plate, and high-pressure water mist sprayed by the nozzles is in a solid conical shape. Wherein, the shower nozzle is used for the backwash filter screen, prevents that the filter screen from blockking up.
The end of the water inlet pipe along the water inlet direction is provided with a seedling outlet, and a valve is arranged on the seedling outlet. Wherein, among the roe hatching process, the inlet tube is intake all the time, and the valve of the mouth of emerging keeps the closed condition, and when roe was all successfully hatched into fry splash, the inlet tube can be closed, opens the mouth valve of emerging, and fry splash can flow out from the mouth of emerging through inlet opening, inlet tube.
The aperture of the water inlet hole is 0.5-1.2 cm. The aperture of the water inlet hole is larger than the size of the fry, so that the fry water can flow out conveniently.
Compared with the prior art, the utility model, following beneficial effect has:
this hatching apparatus's incubator adopts the cross section to be the container of V type, can furthest avoid the roe to stop and the adhesion on the lateral wall of container, also can reduce the cost of making the incubator simultaneously and reduce the manufacturing degree of difficulty, reduced the production of waste material, the inlet tube runs through the incubator, rivers get into the incubator from the inlet opening, erode the roe on the oblique curb plate inner wall, further avoided the roe to stop on the both sides wall.
The hatching device is provided with the inclined filter screen, the filter screen corresponds to the position of the aeration disc, bubbles generated by the aeration disc rise to the filter screen and then continue to float upwards along the inclined plane of the filter screen, and fish eggs adhered to the filter screen can be separated from the filter screen due to the impact force generated by buoyancy; simultaneously, towards the plug on the filter screen can be washd to the shower nozzle that the filter screen washed, and the filter screen is guaranteed not blockked up in the two aspects combination, can in time adjust the water level in the incubator.
The aeration dish that this hatching apparatus set up is to the aquatic aeration, the dissolved oxygen volume of increase aquatic, satisfies the demand of roe hatching in-process to the water dissolved oxygen, improves the hatchability of roe.
Drawings
Fig. 1 is a front view of the present hatching apparatus.
Fig. 2 is a side view of the present hatching apparatus.
Wherein, 1 is a filter screen, 2 is a water inlet pipe, 3 is a seedling emergence port, 4 is an aeration disc, 5 is a water outlet, 6 is a spray head, 7 is an air pump, and 8 is a movable joint.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Examples
The embodiment of the invention relates to a low-cost high-efficiency fry hatching device, which is shown in fig. 1 and 2 and comprises a hatching box with a V-shaped cross section, wherein the capacity of the hatching box is 400 liters, the hatching box comprises two inclined side plates forming a V-shaped structure and two vertical sealing plates positioned at two ends of the inclined side plates, a water inlet pipe is arranged at the bottom of the inner side of the hatching box, the water inlet flow adopts 40L/min, two rows of water inlet holes are arranged on the water inlet pipe, the water inlet directions of the two rows of water inlet holes are respectively parallel to one inclined side plate, two water outlet holes are respectively arranged on the two sealing plates, two filter screens are also arranged in the hatching box, the lower parts of the filter screens are connected with the sealing plates and positioned below the water outlet, the upper parts of the filter screens are obliquely arranged towards the central part of the hatching box, the upper parts of the filter screens are higher than the highest water surface in the, preventing the fry from flowing out in the hatching process. The inclined side plates can be square plates, the main body of the incubator is made of four square plates, the main body of the incubator is in a transverse triangular prism shape, and the conventional fry incubator mostly adopts a round container, so that the production of waste materials can be greatly reduced, and the production cost is further reduced; the water inlet pipe is parallel to the contact lines of the two inclined side plates, water enters from the water inlet pipe and is discharged from the two rows of water inlet holes, and fish eggs adhered to the inclined side plates roll and convect with water flow due to the impact of the water flow; the aperture of the filter screen is smaller than the size of the roe, in the embodiment, the filter screen adopts an 80-mesh stainless steel net or a nylon net, the hatching object is the loach roe, and in the actual operation, the specific aperture of the filter screen can be determined according to the size of the roe to be hatched.
The sealing plate is a square structural plate, the bottom edge of the square structural plate is in contact with the ground, and the sealing plate can support and stably and independently place the incubator on the ground. The included angle of two oblique curb plates is not more than 60, and too big if the included angle can lead to oblique curb plate too flat, increases the probability that heavy roe sinks in the bottom and leads to adhesion each other. The water outlet is connected with a bent pipe through a movable joint, the other end of the bent pipe is connected with a three-way pipe, when the water level reaches the height of the water outlet, water can enter the water outlet through a filter screen and flow out of the incubator, the three-way pipe can rotate by taking the water outlet as the circle center, and the height of the three-way pipe is changed during rotation, so that the water level in the container is adjusted. The sealing plate is also provided with a horizontal aeration disc, the aeration disc is connected with an air pipe, and the air pipe is connected with an external air pump or a fan. The dissolved oxygen degree of aeration dish design multiplicable aquatic also can strengthen the convection current effect of rivers in the incubator, further prevents the roe adhesion. The position of aeration dish corresponds at the projected position of horizontal direction with the filter screen, because the area of horizontal rotation's aeration dish is the same with the vertical area of filter screen, the bubble floats under the effect of buoyancy, can follow the inclination of filter screen and continue rebound behind the contact filter screen, and at this in-process, the bubble can have certain impact force to the filter screen surface, and the impact force can make the roe of adhesion on the filter screen break away from the filter screen, prevents that the filter screen from blockking up. A plurality of nozzles facing the filter screen are arranged between the filter screen and the sealing plate, and high-pressure water mist sprayed by the nozzles is in a solid conical shape. Wherein, the shower nozzle is used for the backwash filter screen, prevents that the filter screen from blockking up, and the filter screen is roughly the same with the height of three-way pipe with the position height that high-pressure water smoke contacted. Particularly, when some roe has hatched, the less egg membrane of density can float in the surface of water top, under the drive of play rivers, can block up the surface of filter screen one side of intaking, the shower nozzle of setting lasts sprays highly compressed water smoke, and the direction of water smoke is from the outside of filter screen to spraying inside, and the roe of adhesion on the filter screen or the egg membrane can be in the aquatic of very first time being washed back the container, prevent that the filter screen from blockking up and leading to the surface of water higher and higher. The end along the direction of intaking on the inlet tube is for emerging the mouth, is equipped with the valve on emerging the mouth, and the end of intaking of inlet tube also is equipped with the valve. Wherein, among the roe hatching process, the inlet tube is intake all the time, and the valve of the mouth of emerging keeps the closed condition, and when roe was all successfully hatched into fry splash, the inlet tube can be closed, opens the mouth valve of emerging, and fry splash can flow out from the mouth of emerging through inlet opening, inlet tube, shifts to the thick pond of mark. The aperture of inlet opening is 0.5 ~ 1.2cm, and the aperture of inlet opening is greater than the size of fry, and the fry splash of being convenient for can flow out.
Because the water quality has important influence to fry hatchability, this low-cost high-efficient fry hatching apparatus preferably cooperates thermostatic equipment and water pump together to use, through the water of constant temperature and filtration treatment, get into the incubator by the inlet tube through the water pump, the roe of treating the hatching is placed in the container, because the density of roe is greater than the density of water, under the condition of no rivers, the roe can sink in the bottom of incubator, the sinking roe only can also sink automatically under the effect of gravity, the V type structural design of this incubator, can avoid the roe to stop better or the adhesion on the lateral wall, can improve the hatchability. In the process that water continuously enters the container through the water inlet pipe, the fish eggs roll and convect with the water flow due to the impact effect of the water flow. When the water level reaches the position of the filter screen, water can enter the water outlet through the filter screen and flow out of the container. And the fish eggs are stopped in the container continuously due to the obstruction of the filter screen and roll along with the water flow. Thus, the fish eggs will not stick to each other. Two rows of inlet openings on the inlet tube are parallel with the oblique side plate respectively, not only can wash away the roe that stops on the oblique side plate well, make it can not the adhesion on the oblique side plate, also can make the rivers in the V-arrangement container form the convection current form of "both sides rivers rise, middle rivers decline", make the roe also do same motion under the effect of rivers. When the fish eggs reach the water inlet pipe at the lowest end of the V-shaped container, the fish eggs are driven by water flow again to circulate in a reciprocating mode, the fish eggs cannot be deposited at the bottom of the container or adhered to the wall of the container, and the hatching rate of the fish eggs can be greatly improved.
As described above, the present invention can be realized well, and the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all equivalent changes and modifications made according to the present invention are intended to be covered by the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a low-cost high-efficient fry hatching apparatus, a serial communication port, including the incubator that the cross section is the V type, the incubator is including two oblique curb plates that form V type structure and two vertical closing plates that are located oblique curb plate both ends, the inboard bottom of incubator is equipped with the inlet tube, be equipped with two rows of inlet openings on the inlet tube, the direction of intaking of two rows of inlet openings respectively is on a parallel with oblique curb plate, respectively be equipped with a delivery port on two closing plates, still be equipped with two filter screens in the incubator, the both sides limit and two oblique curb plate sealing connection of filter screen, its sub-unit connection closing plate just is located the below of delivery port.
2. The low-cost high-efficiency fry hatching device according to claim 1, wherein the sealing plate is a square structural plate.
3. A low-cost high-efficiency fry hatching device as claimed in claim 1, wherein the angle between the two oblique side plates is not more than 60 °.
4. The low-cost high-efficiency fry incubating device according to claim 1, wherein the water outlet is connected with a bent pipe through a movable joint, and the other end of the bent pipe is connected with a three-way pipe.
5. A low-cost and high-efficiency fry incubating device according to claim 1, wherein the upper part of the strainer is inclined toward the center of the incubator.
6. The low-cost high-efficiency fry hatching device according to claim 1, wherein the sealing plate is further provided with a horizontal aeration disc, the aeration disc is connected with an air pipe, and the air pipe is connected with an external air pump.
7. The low-cost high-efficiency fry hatching device according to claim 1, wherein a plurality of nozzles facing the filter screen are arranged between the filter screen and the sealing plate, and high-pressure water mist sprayed by the nozzles is in a solid cone shape.
8. The low-cost high-efficiency fry incubating device according to claim 1, wherein the end of the water inlet pipe along the water inlet direction is a fry outlet, and a valve is arranged on the fry outlet.
9. The low-cost high-efficiency fry hatching device according to claim 1, wherein the diameter of the water inlet hole is 0.5-1.2 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921277648.8U CN210352699U (en) | 2019-08-06 | 2019-08-06 | Low-cost high-efficient fry hatching apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921277648.8U CN210352699U (en) | 2019-08-06 | 2019-08-06 | Low-cost high-efficient fry hatching apparatus |
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| Publication Number | Publication Date |
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| CN210352699U true CN210352699U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921277648.8U Active CN210352699U (en) | 2019-08-06 | 2019-08-06 | Low-cost high-efficient fry hatching apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114403084A (en) * | 2022-01-28 | 2022-04-29 | 广西壮族自治区水产科学研究院 | Torrent formula circulating water transportation water tank |
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2019
- 2019-08-06 CN CN201921277648.8U patent/CN210352699U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114403084A (en) * | 2022-01-28 | 2022-04-29 | 广西壮族自治区水产科学研究院 | Torrent formula circulating water transportation water tank |
| CN114403084B (en) * | 2022-01-28 | 2023-09-22 | 广西壮族自治区水产科学研究院 | Torrent circulating water transportation water tank |
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