CN109673551B - Portable fish egg fry hatching and culturing device and method - Google Patents
Portable fish egg fry hatching and culturing device and method Download PDFInfo
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- CN109673551B CN109673551B CN201910139103.9A CN201910139103A CN109673551B CN 109673551 B CN109673551 B CN 109673551B CN 201910139103 A CN201910139103 A CN 201910139103A CN 109673551 B CN109673551 B CN 109673551B
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- 230000012447 hatching Effects 0.000 title claims abstract description 121
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 228
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- 235000013601 eggs Nutrition 0.000 claims description 188
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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
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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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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a portable fish egg fry hatching and culturing device and a portable fish egg fry hatching and culturing method. The device comprises a box body, a water storage bin, a temporary fish egg breeding bin, a fish egg hatching bin, a fish egg breeding bin, a fish egg feeding bin, a circulating water filtering bin, a filtered water temporary storage bin and a power bin which are arranged inside the box body. The device is through setting up the different granary of a plurality of functions, can realize the incubation of multiple roe, the cultivation and the raising of fry simultaneously, can satisfy the actual need to the early resource investigation research of fish of river fish spawning ground, is applicable to multiple roe, the fry that river fish spawning ground gathered and continuously categorised the cultivation simultaneously. The device has advantages such as modularization design that becomes more meticulous, continuous steady operation, can external or built-in power, portable, easy and simple to handle, practicality are strong, is fit for popularizing and applying on a large scale.
Description
Technical Field
The invention relates to the technical field of aquatic biology, in particular to a portable fish egg fry hatching and culturing device and method.
Background
In recent years, the development of hydropower cascade in each large river basin is rapidly developed and gradually completed, economic and social benefits are brought, and meanwhile, a series of water ecological environment problems are brought, particularly, aquatic organisms represented by fishes are greatly influenced, so that the fish resources of part of river basins are greatly reduced, and part of fish species in part of river basins are in an endangered state or even disappear. The cascade joint ecological scheduling of each large hydropower station in the drainage basin is a favorable measure and an important measure for improving the ecological water environment of the drainage basin water and the habitat condition of important aquatic organisms. Important research contents for evaluating the cascade joint ecological scheduling effect of the drainage basin comprise that whether ecological scheduling measures are beneficial to the improvement of habitat of fish habitat and the oviposition propagation of fish or not, and important research tasks comprise: the method comprises the steps of differential analysis of early-stage resources of fishes in a dispatching stage and a non-dispatching stage, calculation of a dispatching target fish spawning site, analysis of spawning population and scale of a large spawning site known in a river basin, and the like. And a large amount of fish eggs and fish fries need to be collected, cultured, identified and analyzed to complete the tasks.
The fish eggs and the fish fries collected in the large spawning site of the river basin are various. The fish eggs are divided into viscous eggs and non-viscous eggs according to whether the egg membranes are viscous, divided into drifting eggs, semi-drifting eggs and sinking eggs according to the floating degree of the eggs, and divided into large eggs, medium eggs, small eggs, tiny eggs, small eggs and the like according to the sizes of the egg membrane diameters; the fish fry is classified into animal food fry, omnivorous fish fry and plant food fry according to food habits. For the incubation, cultivation, appraisal, the analysis purpose of the roe fry that reaches the spawning ground in river basin, roe fry incubation breeding device and system for scientific research experiments need to compromise the sampling sample and support temporarily on the spot, indoor preliminary classification picks, continuously cultivates between the roe fry different types, still need satisfy the water supply of roe fry in each links such as sampling, transportation and indoor cultivation, pump oxygen and feed the requirement of eating simultaneously, need one kind easily carry, design meticulous, the operation is stable and be fit for the device that multiple roe fry incubate the cultivation simultaneously.
However, the design concept of the existing fish egg hatching device is mostly large-scale and specialized, for example, the fish egg hatching device suitable for certain kind or certain kind of fish is as follows: CN 201510837661.4-a cold water fish egg hatching and fry breeding system, CN 201710592132.1-a device for hatching fish eggs of Xenocyprinidae fishes and a use method thereof, CN 201721588691.7-a novel freshwater fish egg hatching device and the like, and CN 201410065934.3-a sinking fish egg incubator, and are mainly applicable to large-scale fish egg hatching and fry breeding for aquaculture, artificial fish breeding and the like; for example, to satisfy a certain requirement for an advantage: CN 201510104173.2-a water-saving fish egg hatching device, CN 201520134717.5-a portable fish egg hatching device, and the like, mainly highlight the functions of water saving and convenient carrying of the hatching device. The above fish egg hatching device and equipment are difficult to meet the requirements of hatching, cultivating and identifying fish eggs and fries researched in spawning sites of river basin.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a portable fish egg and fry hatching and culturing device which is divided into chambers with different functions, and the aim of continuously classifying and culturing various fish eggs and fries simultaneously can be fulfilled through the reasonable layout of the chambers.
The invention also aims to provide a method for hatching and culturing the fish egg fries by using the device.
In order to achieve the purpose, the invention is realized by the following scheme:
a portable fish egg fry hatching and culturing device comprises a box body, a water storage bin, a fish egg fry temporary culture bin, a fish egg hatching bin, a fish fry culture bin, a fish fry feeding bin, a circulating water filtering bin, a filtered water temporary storage bin and a power bin, wherein the water storage bin, the fish egg fry temporary culture bin, the fish egg hatching bin, the fish fry culture bin, the fish fry feeding bin, the circulating water filtering bin, the filtered water temporary storage bin and the power bin are arranged inside the box body; a water storage tank is arranged in the water storage bin; a plurality of fish egg seedling culture units are arranged in the temporary fish egg seedling culture bin; a plurality of fish egg hatching units are arranged in the fish egg hatching bin; a plurality of fry rearing units are arranged in the fry rearing bin; a plurality of bait troughs are arranged in the fry feeding bin; a simple filtering purifier is arranged in the circulating water filtering bin; a battery bin, a water pump bin and an air pump bin are arranged in the power bin, and each bin is provided with a battery, a water pump and an air pump respectively; the water inlets of the fish egg culture unit, the fish egg hatching unit and the fish fry culture unit are communicated with the water outlet of the water storage tank through water supply pipelines; the water outlets of the fish egg culture unit, the fish egg hatching unit and the fish fry culture unit are communicated with the water inlet of the simple filtering purifier through water drainage pipes; the simple filtering purifier, the filtered water temporary storage bin, the water pump bin and the water storage tank are sequentially communicated through pipelines; the air pump bin is communicated with the water storage tank through an air pumping pipeline.
The device can simultaneously realize the incubation of various fish eggs and the cultivation and feeding of fish fries by arranging a plurality of bins with different functions, and has the advantages of refined modular design, continuous and stable operation, external or internal power supply, convenience in carrying, simplicity and convenience in operation, strong practicability and the like.
The water storage bin utilizes the water level difference between the water storage tank and the temporary fish egg breeding bin, the fish egg hatching bin and the fish fry breeding bin to provide fresh water with oxygen content and water quality meeting requirements for fish egg hatching and fish fry breeding, and meanwhile, the water body is provided with a certain flow rate to meet the water body flow rate requirements for different fish growth.
The temporary fish egg seedling raising bin is used for temporarily raising fish egg seedling samples during field sampling, transfer transportation and indoor preliminary classification of fish egg seedlings, a fish egg seedling culture unit in the bin is communicated with a water circulation system, and water sources and oxygen are provided for fish eggs and fish seedlings during temporary raising; after the classification of the fish egg and fry samples is finished, the fish egg and fry sample can be used as a standby chamber for fish egg hatching and fry breeding.
The fish egg hatching bin is used for hatching classified fish eggs and culturing hatched larval fish, fish egg hatching units can be arranged according to the spawning characteristics of main spawning fishes and the primary classification of a microscope, and the fish egg hatching units are respectively provided with a large egg hatching chamber, a medium egg hatching chamber and a small egg hatching chamber; or culture units such as a viscous egg hatching chamber, a non-viscous egg hatching chamber, a sinking egg hatching chamber, a drifting egg hatching chamber and the like are respectively arranged. The principle of hatching eggs of different types in each culture unit is realized by adjusting the water inflow speed of each culture unit, adding special accessories and the like.
Fry rearing storehouse is used for the continuous cultivation of the fry of on-the-spot collection and the partial fry after the roe hatching, examines preliminary classification according to the microscope, rationally sets up fry rearing unit. In order to adapt to the problem of large difference of the number of different types of fries, the pipe diameters of all units can be set to be increased (decreased) or graded so as to achieve the proper fry density for fry cultivation. The fry rearing storehouse can connect a set of or two sets of water supply pipe, adjusts each unit inflow velocity of flow through control valve to satisfy the velocity of flow demand that different fries were cultivated.
The fry feeding bin is used for feeding fries collected on site and fries hatched by fish eggs, and can be divided into two areas of fluid bait and solid bait according to different baits; different bait areas can be set according to actual needs, and when the feeding device is operated, the feeding device feeds the fries of different units in batches, if the fries of the first unit eat for a certain time, after the fry are fished and put back to the original position, the fries of the second unit begin to eat, the steps are repeated until all the fries of the units eat, and after the fry feeding is finished, the bait groove is cleaned for the next utilization. The two bait troughs are arranged, so that feeding of different baits or accelerated feeding of the same bait can be facilitated, and the feeding efficiency of the fry is improved.
The circulating water filtering bin is used for filtering and purifying waste water discharged from the fish egg fry temporary culture bin, the fish egg hatching bin and the fish fry culture bin, and the purified water is discharged into the filtering water temporary storage bin through the simple filtering purifier so as to provide a fresh water source for the water storage bin and form a water circulating system.
The power bin mainly provides power and electric power for water circulation and aeration for the whole device, and bins can be increased or decreased according to actual needs, such as a system automation and intelligent control host bin, a water quality monitoring device bin and the like.
Preferably, the water storage tank, the spawn and fry culturing unit, the spawn hatching unit, the fry culturing unit and the bait tank are all fixed inside the box body through the fixing frame.
Preferably, the top of the box body is provided with a cover plate, and the top of the box body is connected with the cover plate through a buckle lock, so that the components in the box body can be conveniently detached and maintained.
More preferably, the cover plate is provided with a transparent window so as to observe the condition in the device.
Preferably, the water inlets of the fish egg fry culturing unit, the fish egg hatching unit and the fish fry culturing unit are all arranged at the bottom of the bin, the water outlets are all arranged on the side wall of the top of the bin, the heights of the water outlets are kept consistent, and the heights of the water inlets can be properly adjusted according to the size of the bin.
More preferably, the appearances of the temporary fish egg breeding bin, the fish egg hatching bin and the fish egg breeding bin are all designed by adopting capsule type glass tubes.
More preferably, the bottoms of the temporary fish egg breeding bin, the fish egg hatching bin and the fish egg breeding bin are all hemispherical, so that the flow velocity of water at the water inlet can be conveniently adjusted, and the inner wall can be conveniently cleaned.
Preferably, the water inlets and the water outlets of the fish egg fry culturing unit, the fish egg hatching unit and the fish fry culturing unit are all provided with anti-escape nets, so that the fish egg fry is prevented from being lost.
Preferably, the water supply pipeline is provided with a control valve for controlling the flow rate of water in the fish egg fry culturing unit, the fish egg hatching unit and the fish fry culturing unit, so as to meet the requirements of the fish egg fry culturing unit, the fish egg hatching unit, the fish fry culturing unit and other units on different flow rates.
More preferably, the knob of the control valve is arranged outside the box body, so that the operation is convenient.
More preferably, the water supply pipeline is further provided with a water supply branch pipe for controlling the flow rate of water in the fish egg fry culturing unit, the fish egg hatching unit and the fish fry culturing unit, the water supply branch pipe is arranged at the front end of the fish egg fry culturing unit and is also provided with a control valve, so that the water supply branch pipe can be used when the culture flow rate of each unit is lower and cannot meet the requirement under the free flow water supply state of the water storage tank, and the requirement of adjusting the flow rate of water in each unit is met.
More preferably, the water supply pipeline and the water discharge pipeline are made of rubber hoses or glass piping materials. When the rubber hose is adopted, the connection, the disassembly and the debugging of each part in the water circulation system are convenient; when the glass pipeline is adopted, the device is convenient for integrated, standardized and large-scale production.
Preferably, the top of the fish egg culturing unit, the top of the fish egg hatching unit and the top of the fish egg culturing unit are respectively provided with a culturing chamber plug cover, and the top of the water storage tank is provided with a water storage tank plug cover, so that the water body of the whole device is prevented from splashing and overflowing in the transportation process.
Preferably, an overflow water outlet is arranged on the side wall of the water storage tank, the height of the overflow water outlet is higher than that of a water supply pipeline of the water storage tank, and redundant water can be discharged out of the tank body.
All parts of the device are designed in a sealing mode, so that water leakage is prevented. The chambers for wading are provided with water outlets so as to be convenient for discharging when water leaks.
The device can be respectively designed into versions with different precision, different automation degrees and different intelligent degrees according to the size of the budget cost, such as an economical application type version, an intelligent type version, a high-end type version and the like.
The water circulation principle of the device is as follows: the water storage bin provides an initial water source for the device by adding fresh water of the river; in the internal circulation of the device, the water storage bin supplies water to each unit of the temporary fish egg breeding bin, the fish egg hatching bin and the fish fry breeding bin, fish egg and fish fry metabolic waste water is collected into the simple filtering purifier through the drainage pipeline, the purified and filtered water is temporarily stored in the filtered water temporary storage bin, and then the water in the filtered water temporary storage bin is pumped to the water storage bin through the water pump for recycling.
In addition, oxygen-containing air is pumped by the air pump and is supplied for the aeration of the water body of the water storage bin through the air pumping pipeline with the aeration head so as to meet the requirements of the roes and the fry on the oxygen content of the water body.
The invention also requests to protect a method for hatching and culturing the fish egg fries by utilizing the device, which comprises the following steps: placing the roe and fry samples in a roe and fry temporary breeding bin for temporary breeding, transferring the roes to a roe hatching bin for hatching and culturing hatched fry after sample classification is finished, then transferring the roes to a fry breeding bin for breeding, and transferring to a fry feeding bin when feeding is needed.
Compared with the prior art, the invention has the following beneficial effects:
(1) the device provided by the invention can simultaneously realize the incubation of various fish eggs and the culture and feeding of fish fries by arranging a plurality of bins with different functions, can meet the actual requirements of investigation and research of early fish resources of a river fish spawning site, and is suitable for the simultaneous continuous classified culture of various fish eggs and fish fries collected by the river fish spawning site.
(2) The device provided by the invention has the advantages of refined modular design, continuous and stable operation, capability of being externally connected with or internally provided with a power supply, convenience in carrying, simplicity and convenience in operation, strong practicability and the like, and is suitable for large-scale popularization and application.
(3) The method utilizes the device to incubate and culture the fish egg fries, and has the advantages of simple and convenient operation, reduction of complicated operation, labor cost saving and the like.
Drawings
FIG. 1 is a structural plan view of the portable fry hatching and culturing device in embodiment 1.
FIG. 2 is a front view of the portable fry hatching and culturing device in example 1.
FIG. 3 is a side view of the portable fry hatching and culturing device in example 1.
FIG. 4 is a schematic diagram of the water circulation of the portable fry hatching and culturing device in embodiment 1.
Description of the drawings:
1-a box body; 2-a water storage bin; 3-temporary rearing of roe seedlings; 4-fish egg hatching chamber; 5-fry rearing storehouse; 6-feeding the fry in a bin; 7-circulating water filtering bin; 8-temporary storage of filtered water; 9-a power bin; 11-a fixing frame; 12-water supply pipe; 13-a drainage pipeline; 14-a pump gas pipeline; 15-escape prevention net; 16-a control valve; 17-water supply branch pipe; 18-culture chamber lid; 21-a water storage tank; 31-a fish egg fry culture unit; 41-a roe hatching unit; 51-fry rearing unit; 61-bait trough; 71-simple filtering purifier; 91-a battery compartment; 92-a water pump bin; 93-air pump chamber; 211-reservoir closure; 212-overflow drain; 911-a battery; 921-water pump; 931-air pump.
Detailed Description
The present invention will be described in further detail with reference to the drawings and specific examples, which are provided for illustration only and are not intended to limit the scope of the present invention. The test methods used in the following examples are all conventional methods unless otherwise specified; the materials, reagents and the like used are, unless otherwise specified, commercially available reagents and materials.
Example 1
A portable fish egg fry hatching and culturing device comprises a box body 1, a water storage bin 2, a fish egg fry temporary culture bin 3, a fish egg hatching bin 4, a fish fry culture bin 5, a fish fry feeding bin 6, a circulating water filtering bin 7, a filtered water temporary storage bin 8 and a power bin 9, wherein the water storage bin 2, the fish egg fry temporary culture bin 3, the fish egg hatching bin, the fish fry culturing bin 5, the fish fry feeding bin 6, the circulating water filtering bin 7, the filtered water temporary storage bin 8 and the power bin 9 are arranged in the box body 1; a water storage tank 21 is arranged in the water storage bin 2; a plurality of fish egg seedling culture units 31 are arranged in the fish egg seedling temporary culture bin 3; a plurality of fish egg hatching units 41 are arranged in the fish egg hatching bin 4; a plurality of fry rearing units 51 are arranged in the fry rearing bin 5; two bait troughs 61 are arranged in the fry feeding bin 6; a simple filtering purifier 71 is arranged in the circulating water filtering bin 7; a battery cabin 91, a water pump cabin 92 and an air pump cabin 92 are arranged in the power cabin 9, and each cabin is respectively provided with a battery 911, a water pump 921 and an air pump 931; the water inlets of the fish egg culture unit 31, the fish egg hatching unit 41 and the fish fry culture unit 51 are communicated with the water outlet of the water storage tank 21 through a water supply pipeline 12; the water outlets of the fish egg culture unit 31, the fish egg hatching unit 41 and the fish fry culture unit 51 are communicated with the water inlet of the simple filtering purifier 71 through a water drainage pipeline 13; the simple filtering purifier 71, the filtered water temporary storage bin 8, the water pump bin 92 and the water storage tank 21 are communicated in sequence through pipelines; the air pump chamber 93 is communicated with the water storage tank 21 through an air pumping pipeline 14; the water storage tank 21, the spawn incubation unit 31, the spawn incubation unit 41, the fry breeding unit 51 and the bait tank 61 are all fixed inside the box body 1 through the fixing frame 11; the top of the box body 1 is provided with a cover plate, and the top of the box body is connected with the cover plate 1 through a buckle; a transparent window is arranged on the cover plate; the water inlets of the fish egg culture unit 31, the fish egg hatching unit 41 and the fish fry culture unit 51 are all arranged at the bottom of the bin, the water outlets are all arranged on the side wall of the top of the bin, and the heights of the water outlets are kept consistent; the bottoms of the temporary fish egg breeding bin 31, the fish egg hatching bin 41 and the fish egg breeding bin 51 are all hemispherical; the water inlets and the water outlets of the fish egg culture unit 31, the fish egg hatching unit 41 and the fish fry culture unit 51 are all provided with anti-escape nets 15; the water supply pipeline 12 is provided with a control valve 16 for controlling the flow rate of water in the fish egg fry culturing unit 31, the fish egg hatching unit 41 and the fish fry culturing unit 51; the knob of the control valve 16 is arranged outside the box body; the water supply pipeline 12 is also provided with a water supply branch pipe 17 for controlling the flow rate of water in the fish egg and fry culturing unit 31, the fish egg hatching unit 41 and the fish fry culturing unit 51; the top parts of the spawn culture unit 31, the spawn incubation unit 41 and the spawn breeding unit 51 are all provided with culture chamber plug covers 18, and the top part of the water storage tank 21 is provided with a water storage tank plug cover 211; an overflow drain 212 is provided on the side wall of the reservoir 21.
This embodiment device is through setting up the different bin of a plurality of functions, can realize the hatching of multiple roe, the cultivation and raising of fry simultaneously, has become more meticulous modular design, last steady operation, can external or built-in power supply, portable, easy and simple to handle, advantage such as practicality is strong.
The water storage bin 2 utilizes the water level difference between the water storage tank 21 and the temporary fish egg breeding bin 31, the fish egg hatching bin 41 and the fish fry breeding bin 51 to provide fresh water with oxygen content and water quality meeting requirements for fish egg hatching and fish fry breeding, and simultaneously provides water with certain flow rate to meet the water flow rate requirements for different fish growth.
The temporary fish egg seedling raising bin 3 is used for temporarily raising fish egg seedling samples during field sampling, transfer transportation and indoor preliminary classification of fish egg seedlings, and a fish egg seedling culture unit 31 in the bin is communicated with a water circulation system and provides water sources and oxygen for fish eggs and fish seedlings during temporary raising; after the classification of the fish egg and fry samples is finished, the fish egg and fry sample can be used as a standby chamber for fish egg hatching and fry breeding.
The fish egg hatching bin 4 is used for hatching classified fish eggs and culturing hatched larval fish, and can be provided with a fish egg hatching unit 41 respectively provided with a large egg hatching chamber, a medium egg hatching chamber and a small egg hatching chamber after primary classification according to the spawning characteristics of main spawning fishes and a microscope; or culture units such as a viscous egg hatching chamber, a non-viscous egg hatching chamber, a sinking egg hatching chamber, a drifting egg hatching chamber and the like are respectively arranged. The principle of hatching eggs of different types in each culture unit is realized by adjusting the water inflow speed of each culture unit, adding special accessories and the like.
The fry feeding bin 6 is used for feeding fries collected on site and fries hatched by fish eggs, and can be divided into two areas of fluid bait and solid bait according to different baits; also can set up different bait districts according to actual need, when the operation, feeds according to the fry batch of different units and eats, like the fry feed of first unit after certain time, salvage and finish putting back the normal position back, the second unit fry begins to feed, repeats above step until all unit fries feed finish, washs bait silo 61 after finishing in order to utilize next time. The two bait troughs 61 are arranged, so that feeding of different baits or feeding acceleration of the same bait can be facilitated, and the feeding efficiency of the fry is improved.
The circulating water filtering bin 7 is used for filtering and purifying waste water discharged from the temporary fish egg breeding bin 31, the fish egg hatching bin 41 and the fish fry breeding bin 51, and the purified water is discharged into the filtered water temporary storage bin 8 through the simple filtering purifier 71 to provide a fresh water source for the water storage bin 2, so that a water circulating system is formed.
The power cabin 9 mainly provides power and electric power for water circulation and aeration for the whole device, and cabins can be increased or decreased according to actual needs, such as a system automation and intelligent control host cabin, a water quality monitoring device cabin and the like.
Through set up the apron at 1 tops of box, be connected through the padlock between 1 tops of box and the apron, the dismantlement, the maintenance of each part in the box 1 of being convenient for.
By providing a transparent window on the cover plate, the condition in the device can be observed conveniently.
The appearances of the temporary fish egg breeding bin 31, the fish egg hatching bin 41 and the fish egg breeding bin 51 are all designed by adopting capsule type glass tubes.
The bottoms of the temporary fish egg breeding bin 31, the fish egg hatching bin 41 and the fish egg breeding bin 51 are arranged to be hemispherical, so that the flow rate of water in the water inlet can be adjusted conveniently, and the inner wall can be cleaned conveniently.
The anti-escape net 15 is arranged at the water inlet and the water outlet of the spawn culture unit 31, the spawn incubation unit 41 and the spawn culture unit 51, so that the spawn is prevented from being lost.
The water supply pipeline 12 is provided with the control valve 16 for controlling the water flow velocity in the fish egg and fry culturing unit 31, the fish egg hatching bin 41 and the fish fry culturing bin 51, so that the requirements of the fish egg and fry culturing unit 31, the fish egg hatching bin 41, the fish fry culturing bin 51 and other units on different flow velocities are met.
The water supply pipeline 12 is provided with the water supply branch pipe 17 for controlling the water flow velocity in the fish egg seedling culture unit 31, the fish egg hatching bin 41 and the fish seedling culture bin 51, the water supply branch pipe 17 is arranged at the front end of the fish egg seedling culture unit 31 and is also provided with the control valve 16, so that the water supply branch pipe is used when the culture flow velocity of each unit is lower and cannot meet the requirement under the free flow water supply state of the water storage tank 21, and the requirement of adjusting the water flow velocity of each unit is met.
The water supply pipeline 12 and the water discharge pipeline 13 are made of a rubber hose or a glass piping material. When the rubber hose is adopted, the connection, the disassembly and the debugging of each part in the water circulation system are convenient; when the glass pipeline is adopted, the device is convenient for integrated, standardized and large-scale production.
Through set up cultivation room gag 18 at the top of roe seedling culture unit 31, roe hatching storehouse 41, fry rearing storehouse 51, the top of catch basin 21 sets up catch basin gag 211, prevents that whole device water splash, overflow in the transportation.
The overflow drain 212 is provided on the side wall of the reservoir tank 21, and the height of the overflow drain 212 is higher than that of the water supply pipe 12 of the reservoir tank 21, so that the surplus water can be discharged to the outside of the tank body 1.
All parts of this embodiment device all adopt sealed design, prevent the water seepage. The chambers for wading are provided with water outlets so as to be convenient for discharging when water leaks.
The device can be respectively designed into versions with different precision, different automation degrees and different intelligent degrees according to the size of the budget cost, such as an economical application type version, an intelligent version and a high-end version.
The water circulation principle of the device is as follows: the water storage bin 2 provides an initial water source for the device by adding fresh water of the river; in the internal circulation of the device, the water storage bin 2 supplies water to each unit of the temporary fish egg breeding bin 31, the fish egg hatching bin 41 and the fish fry breeding bin 51, collects waste water of fish egg and fish fry metabolism into the simple filtering purifier 71 through the drainage pipeline 13, temporarily stores the purified and filtered water into the filtered water temporary storage bin 8, and pumps the water in the filtered water temporary storage bin 8 to the water storage bin 2 through the water pump 92 for recycling.
In addition, oxygen-containing air is pumped by the air pump 93, and oxygen is supplied for the water body aeration of the water storage bin 2 through the air pumping pipeline 14 with the aeration head so as to meet the requirement of the roes and the fry on the oxygen content of the water body.
Example 2
A method for hatching and culturing fish eggs by using the device comprises the following steps: and (3) placing the roe and fry samples in a roe and fry temporary breeding bin 3 for temporary breeding, transferring the roes to a roe hatching bin 4 for hatching and culturing hatched fry after sample classification, then transferring the roes to a fry culturing bin 5 for culturing, and transferring the roes to a fry feeding bin 6 when feeding is needed.
It should be finally noted that the above examples are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and that other variations and modifications based on the above description and thought may be made by those skilled in the art, and that all embodiments need not be exhaustive. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A portable device for hatching and culturing fish egg fries is characterized by comprising a box body (1), a water storage bin (2), a temporary fish egg fry breeding bin (3), a fish egg hatching bin (4), a fish fry breeding bin (5), a fish fry feeding bin (6), a circulating water filtering bin (7), a filtered water temporary storage bin (8) and a power bin (9) which are arranged in the box body (1); a water storage tank (21) is arranged in the water storage bin (2); a plurality of fish egg seedling culture units (31) are arranged in the fish egg seedling temporary culture bin (3); a plurality of fish egg hatching units (41) are arranged in the fish egg hatching bin (4); a plurality of fry rearing units (51) are arranged in the fry rearing bin (5); a plurality of bait troughs (61) are arranged in the fry feeding bin (6); a simple filtering purifier (71) is arranged in the circulating water filtering bin (7); a battery bin (91), a water pump bin (92) and an air pump bin (93) are arranged in the power bin (9), a battery (911) is arranged in the battery bin (91), a water pump (921) is arranged in the water pump bin (92), and an air pump (931) is arranged in the air pump bin (93); the water inlets of the fish egg culture unit (31), the fish egg hatching unit (41) and the fish fry culture unit (51) are communicated with the water outlet of the water storage tank (21) through a water supply pipeline (12); the water outlets of the fish egg culture unit (31), the fish egg hatching unit (41) and the fish fry culture unit (51) are communicated with the water inlet of the simple filtering purifier (71) through a drainage pipeline (13); the simple filtering purifier (71), the filtered water temporary storage bin (8), the water pump bin (92) and the water storage tank (21) are communicated in sequence through pipelines; the air pump bin (93) is communicated with the water storage tank (21) through an air pumping pipeline (14);
the fish egg hatching chamber (4) is provided with a large egg hatching chamber, a middle egg hatching chamber and a small egg hatching chamber; or a viscous egg hatching chamber, a non-viscous egg hatching chamber, a sinking egg hatching chamber and a drifting egg hatching chamber culture unit are respectively arranged.
2. The device according to claim 1, characterized in that the water storage tank (21), the spawn culturing unit (31), the spawn hatching unit (41), the fry rearing unit (51) and the bait tank (61) are fixed inside the box body (1) through a fixing frame (11).
3. The device as claimed in claim 1, wherein a cover plate is arranged on the top of the box body (1), and the top of the box body (1) is connected with the cover plate through a snap lock.
4. The device according to claim 1, wherein the water inlets of the fry culturing unit (31), the fry incubating unit (41) and the fry culturing unit (51) are all arranged at the bottom of the chamber, the water outlets are all arranged on the side wall of the top of the chamber, and the heights of the water outlets are kept consistent.
5. The device according to claim 1, characterized in that the water inlet and the water outlet of the fry rearing unit (31), the fry hatching unit (41) and the fry rearing unit (51) are provided with an anti-escape net (15).
6. The apparatus according to claim 1, wherein the water supply pipeline (12) is provided with a control valve (16) for controlling the flow rate of water in the fry rearing unit (31), the fry incubating unit (41) and the fry rearing unit (51).
7. The apparatus according to claim 6, wherein the water supply pipeline (12) is further provided with a water supply branch pipe (17) for controlling the flow rate of water in the fry rearing unit (31), the fry incubating unit (41) and the fry rearing unit (51).
8. The device according to claim 1, wherein the top of the fry rearing unit (31), the fry hatching unit (41) and the fry rearing unit (51) are provided with rearing chamber plug covers (18), and the top of the water storage tank (21) is provided with a water storage tank plug cover (211).
9. The device according to claim 1, characterized in that the side wall of the reservoir (21) is provided with an overflow drain (212), and the height of the overflow drain (212) is higher than the height of the water supply pipeline (12) of the reservoir (21).
10. A method for hatching and culturing fish eggs by using the device as claimed in any one of claims 1 to 9, which comprises the following steps: and (3) placing the roe and fry samples in a roe and fry temporary breeding bin (3) for temporary breeding, transferring the roes to a roe hatching bin (4) for hatching and culturing hatched fry after sample classification is finished, then transferring the fry to a fry breeding bin (5) for breeding, and transferring the fry to a fry feeding bin (6) when feeding is needed.
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| CN111493011B (en) * | 2019-08-31 | 2021-04-06 | 浙江大学 | Aquatic animal fertilized egg in-vitro hatching equipment with high hatching rate |
| CN110663537A (en) * | 2019-11-18 | 2020-01-10 | 郭俊辉 | Phytoplankton cultivates feeder |
| EP4248741A1 (en) * | 2022-03-25 | 2023-09-27 | GS-Pipe Mérnöki, Kereskedelmi És Szolgáltató Kft. | Mobile fish hatchery |
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