CN111109167A - Fish embryonated egg batch debonding incubation system - Google Patents
Fish embryonated egg batch debonding incubation system Download PDFInfo
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- CN111109167A CN111109167A CN201911405103.5A CN201911405103A CN111109167A CN 111109167 A CN111109167 A CN 111109167A CN 201911405103 A CN201911405103 A CN 201911405103A CN 111109167 A CN111109167 A CN 111109167A
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- 108010000912 Egg Proteins Proteins 0.000 claims description 26
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
- A01K61/17—Hatching, e.g. incubators
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/047—Liquid pumps for aquaria
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention relates to a batch debonding and hatching system for fish fertilized eggs, which comprises a sticky egg debonding unit and a fertilized egg hatching unit, wherein the sticky egg debonding unit comprises an egg splashing pool and an egg collecting pool, a water outlet pipe is arranged in the egg splashing pool, the water outlet end of the water outlet pipe extends into the egg collecting pool, the water outlet end of the water outlet pipe is communicated with an egg collecting box in the egg collecting pool through sleeve-shaped bolting silk, a debonding egg channel is arranged on the egg collecting box, and the outlet end of the debonding egg channel is connected with the fertilized egg hatching unit. Compared with the traditional technology, the invention not only breaks through the bottleneck that the viscous eggs can not be debonded in large batch and scale, but also effectively solves the problems of small water body exchange amount, small loop egg laying amount, high labor intensity, low production rate and the like of the traditional fish fertilized egg hatching facility, has the obvious advantages of obvious debonding effect, large production amount, water and electricity conservation, simplicity and convenience, and the like, realizes the debonding and hatching of the fertilized eggs in large batch, and provides technical support for realizing the industrial production of fish offspring seeds.
Description
Technical Field
The invention belongs to the field of aquaculture, relates to a fish culture technology, and particularly relates to a batch debonding and hatching system for fish fertilized eggs.
Background
The aquatic offspring seeds are the fundamental material basis of the aquaculture industry. Chinese aquatic scientists successfully realize the natural reproduction of pond-cultured silver carps and bighead carps in 1958, and end the history that freshwater-cultured fries simply depend on fishing. According to the national greening development requirement, the market demand for high-quality fingerlings is increasingly increased around the conversion requirement of 'decrement income increase, quality improvement and efficiency increase and green development' in the modern fishery, the supply quantity of the high-quality fingerlings directly influences the industrialized development of the freshwater aquaculture industry, and the technology of viscous egg laying and fertilized egg batch quantitative incubation is one of key technologies in the breeding production of the freshwater fish fingerlings.
At present, about 1.5 million aquatic seedling production enterprises are shared in China, but generally speaking, the aquatic seedling production enterprises are large in quantity, small in scale, weak in research and development capacity, weak in competitiveness, backward in infrastructure and equipment, low in comprehensive production capacity, and lack of guarantee capacity of fine variety production and capability of resisting against nature and market risk. Particularly, freshwater fish fry production enterprises still continue to build the structure and layout of the traditional hatching mode, the construction standard is low, the number of matched facilities is small, the functions are incomplete, the water body exchange is poor, the production capacity is low, and the batch production of the fry cannot be realized. Therefore, the design of a fish fertilized egg batch debonding hatching device is important and urgent for improving the comprehensive production capacity of the offspring seeds. Through many years of exploration and practice, the applicant innovatively develops a fish fertilized egg batch debonding and hatching system.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a fish oosperm batch debonding incubation system, which not only effectively solves the problems of small water body exchange amount, small loop egg laying amount, high labor intensity, low production rate and the like of the traditional fish oosperm incubation facility, but also has the obvious advantages of obvious debonding effect, high production capacity, water and electricity conservation, simplicity, convenience and the like, breaks through the bottleneck that viscous eggs cannot be debonded in large batch and large scale, realizes mass fertilization incubation of the viscous eggs, and provides technical support for realizing industrial production of fish offspring seeds.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the utility model provides a fish embryonated egg is debonding incubation system in batches, includes viscidity ovum debonding unit and embryonated egg incubation unit, viscidity ovum debonding unit pass through the slope slide with the embryonated egg incubation unit and be connected, viscidity ovum debonding unit include splash egg pond and collection egg pond, splash egg pond and collection egg pond be connected, install the outlet pipe in splash egg pond, the inlet end setting of this outlet pipe is in splash egg pond bottom, the outlet end of this outlet pipe extends to in the collection egg pond, install collection egg case in the collection egg pond, the outlet end of outlet pipe through the bolting silk of sleeve tube-shape with collection egg case intercommunication collection egg case be provided with the debonding egg passageway on the collection egg case, this debonding egg passageway one end is connected collection egg case, the other end is connected the slope slide, the exit end of this slope slide is connected the embryonated egg incubation unit.
And the fertilized egg hatching unit comprises a hatching loop, an annular filtering platform and a water circulation mechanism, wherein a debonded egg inlet pipeline is arranged on the hatching loop, and the outlet end of the slope slideway is connected with the debonded egg inlet pipeline.
And, annular filtering platform concentric setting in hatching the ring road, annular filtering platform include annular boss, support wooden frame and filter bolting silk, annular boss be equipped with around the support wooden frame, filter bolting silk set up on this support wooden frame, form screen window form inner ring, the central authorities of annular boss are provided with the inlet tube, the external source water tower of end of intaking of inlet tube, go out the water end and connect and divide the water drum, divide the equipartition all around of water drum and divide and be equipped with the branch water pipe, the branch water pipe is stainless steel, every branch water pipe is apart from dividing water drum bottom 5 centimetres, the end of every branch water pipe is provided with the duckbilled shower nozzle, extends to in the hatching the ring road.
And, water circulation mechanism set up in annular filtering platform, water circulation system include immersible pump, right angle pipe and governing valve, the right angle pipe pass through the tee bend and install on the inlet tube, the exit end setting of right angle pipe is central at annular boss, the entry end of right angle pipe is connected the immersible pump, governing valve and right angle pipe intercommunication.
And a submersible pump is erected in the egg collecting pool, the submersible pump is connected with a water delivery rubber pipe and extends into the egg splashing pool, and a drain pipe is arranged at the bottom of the egg collecting pool.
And the upper edge of the egg splashing pool is 20-30 cm higher than the upper edge of the egg collecting pool, the bottom of the egg splashing pool is 20-30 cm higher than the bottom of the egg collecting pool, the inner wall of the egg splashing pool is smooth, the gradient from the edge of the pool to the middle of the pool bottom is 15-20 degrees, terrazzo is laid at the pool bottom to ensure that the surface of the terrazzo is smooth, the egg splashing pool is connected with a first water inlet pipe, the egg collecting pool is connected with a second water inlet pipe, and the first water inlet pipe and the second water inlet pipe are connected with an external water tank.
Moreover, the egg collecting box is of a net-shaped box body structure formed by cutting and sewing 80-mesh nylon bolting silk, and four corners of the top of the egg collecting box are fixed through strings.
Moreover, the hatching loop and the annular filtering platform are built by cement concrete and bricks, the surfaces of the hatching loop and the annular filtering platform are smooth, and the joint of the annular filtering platform and the bottom of the hatching loop is slightly U-shaped to form a U-shaped channel.
And the support wooden frame is a II-shaped wooden frame consisting of a plurality of solid wood boards in a tenon-and-mortise structure, and the filter bolting silk is fixed on the support wooden frame and is cut and sewn by a 80-mesh nylon bolting silk.
And the bottom of the annular boss and the bottom of the hatching loop are both provided with water outlets, and each water outlet is correspondingly connected with a water outlet pipe.
The invention has the advantages and positive effects that:
1. the egg collecting box is made of 80-mesh nylon bolting silk, so that the water filtering area and the water permeability are effectively increased, and convenience is provided for cleaning and collecting the debonded eggs. The particle size of the composite melt-adhesive is below 80 meshes, so that the damage of the debonding agent particles to the egg membrane is avoided. When eggs are collected, the cleaning and the unsticking of the eggs are convenient, and the fertilization rate and the hatching rate are obviously improved.
2. The water level of the egg splashing pool is 40 cm, and the egg splashing density is preferably 48-64 ten thousand grains (600-. The density not only improves the production efficiency of the egg splashing pool, but also saves the cost of water, electricity and the like, and realizes the large-scale and large-scale debonding of viscous eggs. Taking an egg splashing pool with the area of 180 square meters as an example, the method can realize batch debonding of more than 1.2 hundred million eggs of fertilized eggs at a time, and is improved by more than 100 times compared with the traditional debonding method.
3. According to the invention, after egg splashing is finished, the submersible pump in the egg collecting pool is started to circularly flush water, so that water in the egg splashing pool forms circular flow, dissolved oxygen in the water in the egg splashing pool is increased, a good environment is created for debonding eggs, and the fertilization rate and the hatching rate are improved.
4. After the egg splashing is finished for 4 hours, the water in the egg collecting pool is drained, and after the fertilized eggs enter the egg collecting box, the fertilized eggs in the egg collecting box and the egg collecting box are washed by using new water in the water storage pool, so that the dirt on the surfaces of the fertilized eggs in the egg collecting box can be quickly cleaned, the penetration of egg membranes is greatly improved, and the hatchability and the rate of emergence are obviously improved.
5. The insemination egg hatching unit is scientific in design and strong in practicability, on the basis of reasonably utilizing the terrain drop and the power generated by water flow during drainage, the bottom of the egg splashing pool is flushed by the bundled water flow, and insemination eggs can automatically enter the egg collecting box along with the water flow. The production efficiency of the egg splashing pool is improved, the cost of water, electricity and the like is saved, and the large-scale and large-scale debonding of the viscous eggs is realized. Taking an egg splashing pool with the area of 180 square meters as an example, the method can realize batch debonding of more than 1.2 hundred million eggs of fertilized eggs at a time, and is improved by more than 100 times compared with the traditional debonding technology.
6. The wood supporting frame is made of solid wood plates, materials are conveniently taken, the assembly and the disassembly are convenient, compared with an iron frame, the damage of the filtering bolting silk is obviously reduced, the service life of the screen window-shaped inner ring is prolonged, the water inlet and drainage pipe is made of Polyethylene (PE), the damage of heavy metal to the early development of fishes is effectively avoided, and the food safety is ensured.
7. The vertical distance between each duckbill-shaped spray nozzle surrounding the hatching loop and the bottom of the loop is at the same height, so that the water yield from the water distribution bag to each duckbill-shaped spray nozzle is uniform and consistent, and the flow rate and the flow velocity in the loop tend to be stable.
8. The annular platform and the bottom of the inner wall of the annular channel are slightly U-shaped, so that a hatching water body has no dead angle, and the accumulation of fertilized eggs is effectively avoided.
9. The circulating system is formed by additionally arranging a 4-inch submersible pump and two gate valves on a water inlet pipe through a three-way pipe, when temporary water cut-off occurs, the water inlet and outlet gate valves can be closed, the circulating system is immediately opened, water in a loop is enabled to carry out self-circulation, and fertilized eggs are normally incubated in running water; when the fertilized eggs are disinfected, the circulating system is opened, so that the medicines can be quickly and uniformly dissolved into the hatching water body, the medicine effect is fully exerted, and the aim of soaking and disinfection is fulfilled.
10. The water supply and drainage system and the water circulation system adopt running water incubation, can manually adjust the flow and the water temperature, effectively prevent saprolegniasis, improve the hatchability and the emergence rate of the fertilized eggs, can incubate and produce more than 1 hundred million fish fries in one batch by one incubation loop with the diameter of 8 meters, and greatly improve the production capacity of the fries.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a front view (partially in section) of FIG. 1;
fig. 3 is a schematic structural view of the water dispenser in fig. 1 and 2.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative only and not limiting, and the scope of the present invention is not limited thereby.
A fish oosperm batch debonding and hatching system is shown in figures 1 and 2 and comprises a sticky oosperm debonding unit and a fertilized egg hatching unit, wherein the sticky oosperm debonding unit is connected with the fertilized egg hatching unit through a slope slideway 4, the slope slideway is a pipeline with an inclination angle, a lifting pump can be arranged on the pipeline, and the lifting pump is not shown in the figures.
The viscous egg debonding unit comprises an egg splashing pool 26 and an egg collecting pool 19, the egg splashing pool is connected with the egg collecting pool, the upper edge of the egg splashing pool is 20-30 cm higher than the upper edge of the egg collecting pool, the bottom of the egg splashing pool is 20-30 cm higher than the bottom of the egg collecting pool, the inner wall of the egg splashing pool is smooth, the gradient 27 from the edge of the pool to the middle of the pool is 15-20 degrees, and a terrazzo is laid at the bottom of the pool to ensure that the surface of the pool is smooth.
The egg collecting device is characterized in that a water outlet pipe 24 is installed in the egg splashing pool, a water inlet end 25 of the water outlet pipe is arranged at the bottom of the egg splashing pool, a water outlet end of the water outlet pipe extends into the egg collecting pool, the water outlet pipe is a hidden pipe, an egg collecting box 20 is installed in the egg collecting pool, the water outlet end of the water outlet pipe is communicated with the egg collecting box through sleeve-shaped bolting silk 21, the egg collecting box is of a net-shaped box body structure formed by cutting and sewing 80-mesh nylon bolting silk, four corners of the top of the egg collecting box are fixed through thin ropes 18, a debonding egg channel 3 is arranged on the egg collecting box, one end of the debonding egg channel is connected with the egg collecting box, the other end of the debonding egg channel is connected with the slope slideway, and the.
Fertilized egg hatching unit include hatching ring road 5, annular filtering platform and water circulation mechanism, annular filtering platform set up in hatching ring road with one heart, hatching ring road, annular filtering platform are built by cement concrete and brick, the surface is smooth, annular filtering platform and hatching ring road bottom junction slightly are the U-shaped, form U type channel, water circulation mechanism set up in annular filtering platform, the exit end of slope slide and hatching ring road on the debond egg inlet pipeline 16 that sets up be connected.
Annular filtering platform include annular boss 7, support wooden frame 8 and filter bolting-silk 10, annular boss be equipped with around support wooden frame, support wooden frame is "II" font wooden frame that adopts tenon fourth of the twelve earthly branches structure to constitute by a plurality of solid wood boards, "filter bolting-silk set up support wooden frame on, should filter bolting-silk and pass through rag bolt and fix on supporting wooden frame, form screen window form inner ring, filter bolting-silk is tailor, is made up by 80 mesh nylon bolting-silk and forms.
The central authorities of annular boss are provided with inlet tube 11, and the external source water tower of end of intaking of inlet tube, go out water end connection and divide water drum 15, as shown in fig. 3, divide the equipartition all around of water drum and divide and be equipped with branch water pipe 29, branch water pipe is stainless steel in this device, and every branch water pipe is apart from dividing water drum bottom 5 centimetres, and the end of every branch water pipe extends to in the U type channel of hatching the ring road, all be provided with duckbill shower nozzle 6 at the end of every branch water pipe, duckbill shower nozzle towards hatching ring road inner wall tangential direction, duckbill shower nozzle length 10-12 centimetres, mouth width 10 centimetres, similar duckbill shape, mouth seam width 1 millimeter is formed by the external white iron sheet welding of 90 elbows, has all seted up delivery port 13 in the bottom of annular boss and hatching the ring road, and every delivery.
The water circulation mechanism set up in annular filtering platform, water circulation system include immersible pump 14, right angle pipe 28 and governing valve, the right angle pipe pass through the tee bend and install on the inlet tube, the exit end setting of right angle pipe 9 is central at annular boss, the entry end of right angle pipe is connected the immersible pump, governing valve and right angle pipe intercommunication.
The working principle of the invention is as follows:
when the device is used, the water level of the egg splashing pool is increased to 40 cm, the composite adhesive filtered by 80-mesh bolting silk is uniformly splashed into the egg splashing pool after water flow in the pool is static, the composite adhesive is splashed for 40 minutes, fertilized eggs are uniformly splashed into the egg splashing pool around the egg splashing pool, and the density of the splashed eggs is 48-64 ten thousand grains (600-800 g) per square meter of carp as an example.
After egg splashing is finished, a submersible pump in an egg collecting pool is started to circularly flush water, so that water in the egg splashing pool forms circulation flow to increase dissolved oxygen in the water in the egg splashing pool, the egg collecting pool starts draining, after fertilized eggs enter an egg collecting box, a water inlet valve on a water inlet pipe of a water supply unit is opened, a second water inlet pipe which supplies water to the egg collecting box from an outdoor water storage tank is started, the egg collecting box and fertilized eggs in the egg collecting box are washed, the size of water flow is controlled through the water inlet valve, flushing of dirt on the surfaces of the fertilized eggs in the egg splashing pool and cleaning of the fertilized eggs in the egg collecting box is facilitated, and the unstucked eggs are collected and enter a fertilized egg hatching unit from a slope.
Fertilized egg when hatching in the hatching ring road, need build earlier and bury branch water pipe and annular filtering platform in the underground, must be in advance at the prefabricated rag bolt of annular boss top outer fringe equidistance, the support wooden frame is "II" font wooden frame that adopts tenon fourth of the twelve earthly branches structure to constitute by a plurality of solid wood boards, and beat two holes on being close to the diaphragm of two riser inboard bottoms, the support wooden frame must encircle rag bolt tiling sponge strip on annular platform when fixed, pass rag bolt in proper order with the support wooden frame that punches again, through packing ring, nut fastening support wooden frame, the top of adjacent support wooden frame is fixed with four holes mounting and iron nail, the setting of filtration bolting silk is in the support wooden frame on, the filtration bolting silk is tailor, is made by 80 mesh nylon bolting silk and forms.
When the filtering bolting silk is assembled, the filtering bolting silk is firstly sleeved on the support wooden frame from the inside to the outside and the bottom edge of the filtering bolting silk is leaked, the bottom edge of the filtering bolting silk is fixed on the support wooden frame by a string and an iron nail, then the filtering bolting silk is turned over and pasted on the support wooden frame from the inside to the inside, and the filtering bolting silk is tensioned upwards and then is sequentially fixed on the top of the support wooden frame by a batten and an iron nail to form a screen window-shaped inner ring.
After the filter bolting silk is fixed, a water outlet at the bottom of the incubation loop is blocked, a water inlet valve is opened, water flow sequentially enters a water separating pocket → a duckbilled spray head through a water inlet pipe, after a flowing water environment is formed in the loop, insemination eggs are sequentially put in the loop, the insemination eggs are incubated in flowing water from putting in to incubating and seedling emergence, water outlets are formed in the bottoms of the annular boss and the incubation loop, each water outlet is correspondingly connected with a water outlet pipe, a water discharge valve is arranged on each water outlet pipe, and water discharge can be completed after the water discharge valve is opened.
The water circulation system comprises a submersible pump, a right-angle pipe and a regulating valve, the right-angle pipe is installed on the water inlet pipe through a three-way piece, the outlet end of the right-angle pipe is arranged in the center of the annular boss, and the inlet end of the right-angle pipe is connected with the submersible pump. When temporary water cut-off occurs, the water inlet and discharge gate valves can be closed, and the circulating system is immediately opened to enable water in the loop to carry out self-circulation and normally carry out flowing water incubation of the fertilized eggs; when the fertilized eggs are disinfected, the circulating system is opened, so that the medicines can be quickly and uniformly dissolved into the hatching water body, the medicine effect is fully exerted, and the aim of soaking and disinfection is fulfilled. The regulating valve can regulate the flow speed and flow of water in the hatching loop and create a proper hatching environment for fertilized eggs.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (10)
1. The utility model provides a fish embryonated egg is debonded hatching system in batches which characterized in that: including viscidity ovum debonding unit and fertilized egg hatching unit, viscidity ovum debonding unit pass through the slope slide with fertilized egg hatching unit and be connected, viscidity ovum debonding unit including boiling over the ovum pond and collection ovum pond, boiling over the ovum pond be connected with collection ovum pond, install the outlet pipe in boiling over the ovum pond, the end setting of intaking of this outlet pipe is in boiling over the ovum bottom of the pond, the play water end of this outlet pipe extends to in the collection ovum pond, installs collection ovum case in collection ovum pond, the play water end of outlet pipe pass through the bolting silk of sleeve tube-shape with collection ovum case intercommunication collection ovum case be provided with the debonding ovum passageway on the collection ovum case, this debonding ovum passageway one end is connected collection ovum case, the other end connect the slope slide, the exit end of this slope slide is connected fertilized egg hatching unit.
2. The batch fish fertilized egg debonding and hatching system according to claim 1, wherein: the fertilized egg hatching unit comprises a hatching loop, an annular filtering platform and a water circulation mechanism, wherein a debonded egg inlet pipeline is arranged on the hatching loop, and the outlet end of the slope slideway is connected with the debonded egg inlet pipeline.
3. The batch fish fertilized egg debonding and hatching system according to claim 2, wherein: the annular filtering platform is concentrically arranged in the hatching loop, the annular filtering platform comprises an annular boss, a supporting wood frame and a filtering bolting silk, the supporting wood frame is arranged around the annular boss, the filtering bolting silk is arranged on the supporting wood frame to form a screen window-shaped inner ring, a water inlet pipe is arranged in the center of the annular boss, the water inlet end of the water inlet pipe is externally connected with an external water tower, the water outlet end of the water inlet pipe is connected with a water distribution bag, branch water pipes are uniformly distributed around the water distribution bag and are made of stainless steel, the distance between each branch water pipe and the bottom of the water distribution bag is 5 cm, and the tail end of each branch water pipe is provided with a duckbill spray head and extends to the hatching loop.
4. The batch fish fertilized egg debonding and hatching system according to claim 2, wherein: the water circulation mechanism is arranged in the annular filtering platform, the water circulation system comprises a submersible pump, a right-angle pipe and a regulating valve, the right-angle pipe is installed on the water inlet pipe through a three-way piece, the outlet end of the right-angle pipe is arranged in the center of the annular boss, the inlet end of the right-angle pipe is connected with the submersible pump, and the regulating valve is communicated with the right-angle pipe.
5. The batch fish fertilized egg debonding and hatching system according to claim 1, wherein: the submerged pump is erected in the egg collecting pool, the submerged pump is connected with the water delivery rubber pipe and extends into the egg splashing pool, and the bottom of the egg collecting pool is provided with the drain pipe.
6. The batch fish fertilized egg debonding and hatching system according to claim 1, wherein: the upper edge of the egg splashing pool is 20-30 cm higher than the upper edge of the egg collecting pool, the bottom of the egg splashing pool is 20-30 cm higher than the bottom of the egg collecting pool, the inner wall of the egg splashing pool is smooth, the gradient from the edge of the pool to the middle of the pool bottom is 15-20 degrees, a terrazzo is laid at the pool bottom to ensure that the surface of the terrazzo is smooth, the egg splashing pool is connected with a first water inlet pipe, the egg collecting pool is connected with a second water inlet pipe, and the first water inlet pipe and the second water inlet pipe are connected with an external water.
7. The batch fish fertilized egg debonding and hatching system according to claim 1, wherein: the egg collecting box is a net-shaped box body structure formed by cutting and sewing 80-mesh nylon bolting silk, and four corners of the top of the egg collecting box are fixed through strings.
8. The batch fish fertilized egg debonding hatching system according to claim 2 or 3, wherein: the hatching loop and the annular filtering platform are built by cement concrete and bricks, the surfaces of the hatching loop and the annular filtering platform are smooth, and the joint of the annular filtering platform and the bottom of the hatching loop is slightly U-shaped to form a U-shaped channel.
9. The batch fish fertilized egg debonding and hatching system according to claim 3, wherein: the support wooden frame is a 'II' -shaped wooden frame consisting of a plurality of solid wood boards in a tenon-and-mortise structure, the filter bolting-silk is fixed on the support wooden frame, and the filter bolting-silk is cut and sewn by 80-mesh nylon bolting-silk.
10. The batch fish fertilized egg debonding and hatching system according to claim 3, wherein: the bottom of the annular boss and the bottom of the hatching loop are both provided with water outlets, and each water outlet is correspondingly connected with a water outlet pipe.
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