CN101897308B - Equipment and method for collecting industrially cultivated pelagic eggs - Google Patents
Equipment and method for collecting industrially cultivated pelagic eggs Download PDFInfo
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- CN101897308B CN101897308B CN201010239746XA CN201010239746A CN101897308B CN 101897308 B CN101897308 B CN 101897308B CN 201010239746X A CN201010239746X A CN 201010239746XA CN 201010239746 A CN201010239746 A CN 201010239746A CN 101897308 B CN101897308 B CN 101897308B
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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 invention relates to equipment and a method for collecting industrially cultivated pelagic eggs. The equipment comprises a water inlet tube, a drainage tube, an anti-flow drainage tube, a glass fiber reinforced plastic groove and a pelagic egg collecting net cage. The use method of the equipment comprises the following steps that water for cultivation flows into a cultivation pool through the water inlet tube to form a gentle water surface circumfluence; and the pelagic eggs are driven to be discharged into the pelagic egg collecting net cage outside the pool through the drainage tube. The mesh of the pelagic egg collecting net cage is bolting-silk of 260-300 meshes and is located in the glass fiber reinforced plastic groove. The pelagic eggs are blocked by the mesh and collected in the net cage while water is discharged through the drainage tube of the glass fiber reinforced plastic groove. In order to prevent overflow of water in the cultivation pool, an anti-flow drainage tube is arranged close to the drainage tube in the cultivation pool. The tube orifice in the pool is higher than the water level of the pool but lower than the maximum height of the pool wall. The tube orifice outside the pool is located in the pelagic egg collecting net cage. Shown by practices, the invention can rapidly and effectively collect the pelagic eggs in the collecting pool and has the advantages of small mechanical damage to eggs in the collecting process and high collecting efficiency which reaches above 95% and low facility improvement cost and easy popularization.
Description
Technical field:
The invention belongs to industrial aquaculture seed breeding production technology, is to culturing collection facility and the collection method of pond buoyant egg under a kind of industrial aquaculture condition.
Background technology:
Industrial aquaculture is main mode and the approach of aquaculture industry to industrialization development.The relative western developed country of the industrial aquaculture of China is started late, and begins to get into the industrialized development stage in early 1990s.In recent years, along with the raising of national economy and technical merit, industrial aquaculture also developed into one of prevailing model of China's mariculture, in China's mariculture industry, occupied and consequence.
Cultivate the good parent of proterties, obtain the ovum of high-quality, and then to breed health, active commercialization seed be that whole aquaculture industry is able to stablize, the foundation of sustainable development.In the industrial aquaculture process, the ovum of most of breed variety is a buoyant egg, suspends perhaps to swim in the water.In actual production, existing collection mode for buoyant egg have usually the coiled pipe siphon add the bolting silk net filtration collect, in culturing the pond directly with diddle-net carry out the collection of craft diddle-net, in the culturing pool body with the bolting silk net draw in the net collection, the discharge outlet place adds several kinds of modes such as bolting silk net collection at the bottom of the pond.Because different parents' ovulation period is inconsistent in the same breed pond, adopts these collection modes to exist the obvious drawback that the manpower consumption is big, collection efficiency is low.Because in collection process, there is mechanical stress in various degree, easily ovum caused mechanical damage, thereby directly have influence on the quality and the incubation rate of ovum simultaneously.
For a long time, how convenient, fast in industrial aquaculture seed breeding process, collect the buoyant egg that the parent gives birth to efficiently, be one of key technology difficult problem of facing of basic unit's breeding production always, carrying out smoothly of seed breeding production in direct correlation.Before the present invention formed, all not seeing both at home and abroad had pair industrial aquaculture buoyant egg collection method and the similar play-by-play of the present invention.
Summary of the invention:
The objective of the invention is through the parent being cultured Chi Jin、Pai Shuiguandao transformation and with the optimum organization of collecting net cage, the collection method of a kind of industrial aquaculture buoyant egg quick, efficient, simple to operate is provided.In use, can give fast culturing in the pond buoyant egg, efficient, high-quality collects, with stable the carrying out of guarantee seed breeding production.
The present invention adopts following technical scheme:
Its facility formation comprises: water inlet pipe, drainpipe, anti-overflow drainpipe, glass jar groove and buoyant egg are collected net cage.Water inlet pipe is positioned at cultures centre position, one pool wall top, pond, and its delivery port can remain the position that is positioned at the water surface by movable elbow A adjusting; Drainpipe and anti-overflow drainpipe are arranged in pool wall high position, water inlet pipe opposite, and an end penetrates pool wall and gets into the breed pond, and in culturing the pond, a movable elbow B are set separately; Wherein, the inlet end of drainpipe in culturing the pond laterally connects the pvc pipe head of a length 20cm, is connected to the middle bottom of tube head; Communicate with tube head; And regulate by movable elbow B, make tube head parallel with the water surface and be positioned at below the water water surface of pond, but its end face flush with the water surface; The anti-overflow drainpipe is regulated by movable elbow B, makes the height of culturing an end water inlet pipe mouth in the pond be higher than the water surface, but is lower than the height of pool wall.Drainpipe and anti-overflow drainpipe are regulated by movable elbow C in the discharge outlet of the pool wall outside other end, and the buoyant egg that extend into the glass jar groove is collected in the net cage, and its delivery port is positioned at the 5cm place, underwater of glass jar groove; The glass jar groove is positioned at cultures the outside, pond, and glass jar groove height is dark half the of culturing pool; Be provided with buoyant egg in the glass jar groove and collect net cage, the center of relative two cell walls about the glass jar groove respectively is provided with the outer drainpipe of a glass jar groove; Two glass jar groove internal drainage pipes are respectively through angle and the height of movable elbow D adjusting with bottom land about in groove; And communicate with the outer drainpipe of the glass jar groove of both sides respectively; About the outer drainpipes of two glass jar grooves each be connected to form threeway with a vertical tube; The end opening of vertical tube inserts drainage, and suitable for reading is ventilation hole, is higher than the height of glass steel tank.
The water inlet pipe delivery port, half is positioned under the pool inner water face, on half surfaces.
The drainpipe tube head is near the mouth of pipe sealing of pool wall one end, and the other end mouth of pipe opens wide.The end face of drainpipe tube head laterally and water surface parallel direction be provided with the notch of a width 10mm, notch flushes with the water surface.
It is cylindrical that buoyant egg is collected net cage, with height such as glass jar groove grade.Net cage is suitable for reading to be provided with the steel ring annulus with going to the bottom, and is formed by the etting system of enclosing of net cage.The etting of net cage struts by the steel ring annulus up and down, and frame is on the wood support.The wood support is in glass jar groove middle part, is used for fixing buoyant egg and collects net cage and remain cylindrically, and the etting of net cage is a 260-300 purpose bolting silk.
Two drainpipes are all parallel with cell wall about in the glass jar groove, and the placement angle of two drainpipes is 90 degree, becomes 45 and 135 ° of angles respectively with the bottom land or the water surface, and the mouth of pipe height of drainpipe is at 2/3 place of cell wall height.
Described water inlet pipe, drainpipe, anti-overflow drainpipe, the outer drainpipe of glass jar groove and each tube material such as groove internal drainage pipe, tube head are pvc pipe, and diameter is 50mm.
The present invention and prior art contrast are characterized in:
1, the present invention has realized carrying out synchronously of flowing water breed and buoyant egg collection, does not need extra manpower to participate in, and has realized can collecting easily and efficiently the industrial aquaculture buoyant egg, and collection rate can reach more than 95%.
2, the present invention has avoided effectively in collection process artificially collecting that various mechanical external forces have significantly improved the quality of ovum to the damage that ovum causes in the process.
3, the present invention only need transform slightly existing breed pond and can be widely used in production, and improvement cost is cheap, easy to use, respond well, is easy to promote the use of.
Description of drawings:
Fig. 1: the schematic layout pattern of culturing water inlet pipe in the pond, drainpipe, glass steel tank and buoyant egg collection net cage: 1-water inlet pipe; The 2-pool wall; The 3-drainpipe; 4-anti-overflow drainpipe; 5-glass steel tank;
Fig. 2: culture water inlet pipe sketch map in the pond: 6-movable elbow A; 7-water inlet pipe delivery port;
Fig. 3: culture drainpipe and anti-overflow drainpipe schematic layout pattern in the pond: 8-drainpipe tube head; 9-anti-overflow drainpipe water inlet; 10-movable elbow B; 11-movable elbow C;
Fig. 4: culture drainpipe tube head sketch map in the pond: 12-drainpipe tube head notch;
Fig. 5: glass steel tank sketch map: 13-steel ring annulus; The support of 14-wood; The 15-buoyant egg is collected net cage; 16-glass steel tank effluxes water pipe; 17-glass steel tank internal drainage pipe; 18-movable elbow D.
Embodiment:
Combining accompanying drawing to be described in detail facility of the present invention through embodiment below constitutes and method for using:
Referring to Fig. 1, its facility formation comprises: water inlet pipe 1, drainpipe 3, anti-overflow drainpipe 4, glass jar groove 5, ovum collecting net cage 15.
Technological process of the present invention is: breeding water imports to through water inlet pipe 1 and cultures in the pond, and water inlet pipe 1 connects a movable elbow A6, and half is positioned on the culturing pool face all the time can to adjust hose nozzle 7, and second half is embedded under the water surface.The breeding water that flows into through water inlet pipe 1 can form circulation in the pond, the drainpipe 3 of buoyant egg from culture the pond that drives in the water discharged.The water inlet of drainpipe (3) connects a pvc pipe head 8 parallel with the water surface; This tube head 8 is towards a sealing of culturing pool wall, and the other end is opened wide, and laterally parallel with water surface direction connects the notch 12 of a width 10mm; Notch 12 flushes with the water surface, so that current can flow into drainpipe 3 along notch.This pvc pipe head 8 is connected with drainpipe 3 trunk lines through movable elbow B10, and can regulate height through movable elbow B10, so that notch 12 remains at water surface site.Drainpipe 3 next doors are provided with an anti-overflow drainpipe 4; Nozzle position is higher than the water surface 3～5cm; But be lower than the maximum height of culturing pool wall, its effect is untimely or auxiliary draining when other fortuitous events occurring in the drainpipe draining, prevents the overflow phenomenon in pond of Chi Shui.Anti-overflow drainpipe 4 also connects a movable elbow B10, so that its discharge outlet in the pond can be movable about on the direction vertical with the water surface, thus can be according to the height of anti-overflow drainpipe 4 mouths of pipe in the suitable regulating reservoir of the height of the water surface.Drainpipe 3 all penetrates pool wall with anti-overflow drainpipe 4 and feeds in the buoyant egg collection net cage 15, and the mouth of pipe of these two drainpipes all is positioned at buoyant egg collection 5cm place, net cage 15 underwater.It is cylindrical that buoyant egg is collected net cage 15, all surrounds annulus 13 with stainless steel wire up and down and struts, and supports 14 in glass steel tank 5 bosom positions through wood.The etting of net cage 15 is a 260-300 purpose bolting silk.5 two opposed cell walls of glass steel tank center is provided with groove internal drainage pipe 16, passes cell wall and communicates with groove internal drainage pipe 17.Groove internal drainage pipe 17 is through connecting movable elbow D18, and the scalable draining mouth of pipe is under glass steel tank 5 waters surface all the time.Two groove internal drainage pipes 17 become 90 ° of angles in groove; And regulate through movable elbow D18 and to become 45 ° of angles and 135 ° of angles respectively with the bottom land or the water surface; Its objective is in the process of draining to form the current convection equilibrium, prevent that single-side drainage from forming circulation in the glass steel tank and to the generation disturbance of the ovum in the net cage and cause mechanical damage.Two outer drainpipes 16 of groove respectively are connected to form threeway with a vertical tube, and the end opening of vertical tube inserts drainage, and suitable for reading is ventilation hole, is higher than the height of glass steel tank.The purpose that ventilation hole is set is to keep normal barometric pressure in the drainpipe, produces siphonage when preventing draining.
The collection method of buoyant egg:
After parent in the breed pond is laid eggs, open inlet valve and introduce clean breeding water.The water inlet size of by-pass valve control switch makes the breed water in pond on the pool inner water face, form mild circulation.Circulation takes the buoyant egg of Chi Shuizhong to water inlet pipe 1 opposite face drainpipe 3 places, discharges outside the pond through flowing water, enters into to collect net cage 15.The etting that buoyant egg is collected net cage 15 is a 260-300 purpose bolting silk, can buoyant egg be blocked in net cage 15, and water then can see through etting, through net cage outward the drainpipe 16 and 17 of glass steel tank enter drainage.
After buoyant egg is collected ovum in the net cage 15 and reaches certain quantity, can suspend into, draining, shift out buoyant egg and collect net cage 15, with ovum wherein is careful collect after, promptly accomplish a technological process.Afterwards, clean net cage 15, put into glass steel tank 5 once more, the valve of opening water inlet pipe 1 can be proceeded the collection of next flow process.
The item that should note in the use has: 1, will control well and get into the current of culturing the pond through water inlet pipe; And half is embedded under the water surface to keep water inlet pipe delivery port 7; Half is positioned on the water surface, to avoid the current generation torrent that strike waters, reduces the mechanical damage to ovum; 2, water inlet pipe 1, culturing pond drainpipe 3, anti-overflow drainpipe 4, glass steel tank drainpipe 16 and 17 bore should identical (φ 50mm), avoids draining untimely and produce overflow phenomena and cause the loss of ovum; 3, the delivery port of drainpipe 3 and anti-overflow drainpipe 4 all should be insinuated into the following 5cm of water surface place in the glass steel tank 5, avoids producing torrent and causes the mechanical damage to ovum; 4, glass steel tank internal drainage pipe 17 nozzle positions remain on glass steel tank pool wall height 2/3 place, so that can keep certain water all the time in the glass steel tank, the buoyant egg that protection is collected; 5, two groove internal drainage pipes 17 form 90 ° of angles in groove; And form 45 ° of angles and 135 ° of angles respectively with the bottom land or the water surface; The effect of the mutual balance of current convection current is avoided the formation of single direction draining current when reaching draining, and then the ovum in the net cage is produced disturbance; Make its enrichment on a direction, form mechanical damage easily.
Draw through culture the on-the-spot ovum collecting Test Summary that carries out in the pond in how tame factorial seedling growth field: this collection facility and collection method be the buoyant egg in the collecting pit effectively; Do not need human intervention in the collection process; Mechanical damage to ovum is little; Collection efficiency is high, and its collecting effect is superior to traditional ovum collecting mode greatly.This technical method only needs simply to transform culturing the pond, and the transformation of facility cost is low, can realize the continuous collection to buoyant egg, is easy to popularize and is accepted by numerous raisers.
Claims (5)
1. the collection facility of an industrial aquaculture buoyant egg is characterized in that its facility formation comprises: water inlet pipe (1), drainpipe (3), anti-overflow drainpipe (4), glass jar groove (5) and buoyant egg collection net cage (15); Water inlet pipe (1) is positioned at cultures centre position, one pool wall top, pond, and its delivery port (7) can remain the position that is positioned at the water surface by movable elbow A (6) adjusting; Drainpipe (3) and anti-overflow drainpipe (4) are arranged in pool wall high position, water inlet pipe (1) opposite; One end penetrates pool wall (2) and gets into the breed pond, and in culturing the pond, a movable elbow B (10) is set separately, wherein; The inlet end of drainpipe (3) in culturing the pond is connected to the pvc pipe head (8) of a length 20cm; The junction is positioned at the middle and lower part of tube head (8), communicates with tube head (8), and is regulated by movable elbow B (10); Make tube head (8) parallel with the water surface and be positioned at pond water water surface below, but tube head (8) end face flush all the time with the water surface; Anti-overflow drainpipe (4) is regulated by movable elbow B (10), makes the height of culturing an end water inlet pipe mouth (9) in the pond be higher than the water surface, but is lower than the height of pool wall (2); Drainpipe (3) and anti-overflow drainpipe (4) are regulated by movable elbow C (11) in the discharge outlet of pool wall (2) outside other end, and the buoyant egg that extend into glass jar groove (5) is collected in the net cage (15), and its delivery port is positioned at the 5cm place, underwater of glass jar groove (5); Glass jar groove (5) is positioned at cultures the outside, pond, and glass jar groove (5) highly is dark half of culturing pool; Be provided with buoyant egg in the glass jar groove (5) and collect net cage (15), the center of relative two cell walls about glass jar groove (5) respectively is provided with the outer drainpipe (16) of a glass jar groove; Two glass jar groove internal drainage pipes (17) are respectively through angle and the height of movable elbow D (18) adjusting with bottom land about in groove; And communicate with the outer drainpipe (16) of the glass jar groove of both sides respectively; About the outer drainpipes (16) of two glass jar grooves each be connected to form threeway with a vertical tube; The end opening of vertical tube inserts drainage, and suitable for reading is ventilation hole, is higher than the height of glass steel tank.
2. the collection facility of industrial aquaculture buoyant egg according to claim 1 is characterized in that described water inlet pipe delivery port (7), and half is positioned under the pool inner water face, on half surfaces.
3. the collection facility of industrial aquaculture buoyant egg according to claim 1 is characterized in that described drainpipe tube head (8), and near the mouth of pipe sealing of pool wall one end, the other end mouth of pipe opens wide; The end face of drainpipe tube head (8) laterally and water surface parallel direction be provided with the notch (12) of a width 10mm, notch (12) flushes with the water surface.
4. the collection facility of industrial aquaculture buoyant egg according to claim 1 is characterized in that described buoyant egg collection net cage (15), for cylindrical, with height such as glass jar groove (5) grade; Net cage is suitable for reading to be provided with steel ring annulus (13) with going to the bottom, and is formed by the etting system of enclosing of net cage (15); The etting of net cage (15) struts by steel ring annulus (13) up and down, and frame is on wood support (14); Wood support (14) frame is in glass jar groove (5) middle part, is used for fixing buoyant egg and collects net cage (15) and remain cylindrically, and the etting of net cage (15) is a 260-300 purpose bolting silk.
5. the collection facility of industrial aquaculture buoyant egg according to claim 1; Two drainpipes (17) about it is characterized in that in the described glass jar groove; All parallel with cell wall; The placement angle of two drainpipes (17) is 90 degree, becomes 45 and 135 ° of angles respectively with the bottom land or the water surface, and the mouth of pipe height of drainpipe (17) is at 2/3 place of cell wall height.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010239746XA CN101897308B (en) | 2010-07-29 | 2010-07-29 | Equipment and method for collecting industrially cultivated pelagic eggs |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010239746XA CN101897308B (en) | 2010-07-29 | 2010-07-29 | Equipment and method for collecting industrially cultivated pelagic eggs |
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| CN101897308A CN101897308A (en) | 2010-12-01 |
| CN101897308B true CN101897308B (en) | 2012-07-25 |
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| CN201010239746XA Expired - Fee Related CN101897308B (en) | 2010-07-29 | 2010-07-29 | Equipment and method for collecting industrially cultivated pelagic eggs |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102388823B (en) * | 2011-08-15 | 2013-05-01 | 中国水产科学研究院淡水渔业研究中心 | Automatic collection device for semi-floating fish eggs |
| CN102805044B (en) * | 2012-07-16 | 2014-01-29 | 宁波大学 | Fish, shrimp and crab seed automatic counting device and method based on computer video processing |
| CN103761565B (en) * | 2014-01-07 | 2016-06-29 | 宁波大学 | The juvenile crab quantity survey of fish and shrimp under water and behavior monitoring device and method based on computer vision |
| CN104686422B (en) * | 2015-03-16 | 2017-07-07 | 中国水产科学研究院黑龙江水产研究所 | A kind of method that egg membrane is removed in artificial propagation of fish hatching process |
| CN106069896A (en) * | 2016-06-14 | 2016-11-09 | 江苏省海洋水产研究所 | A kind of ecological breeding method improving larvae survival rate |
| CN108401952A (en) * | 2018-04-23 | 2018-08-17 | 宁波大学 | A kind of pomfret ovum collecting device avoided damage to and application method |
| CN110810285A (en) * | 2019-12-09 | 2020-02-21 | 浙江省农业科学院 | Device and method for directional mating of small yellow croakers |
| CN111528171B (en) * | 2020-06-17 | 2021-10-15 | 山东省海洋生物研究院 | Seedling emergence device for industrial aquaculture workshop and use method |
| CN114847198B (en) * | 2022-04-26 | 2023-07-07 | 江苏省海洋水产研究所 | Floating fish egg continuous collection device and use method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1846480A (en) * | 2006-04-14 | 2006-10-18 | 浙江省淡水水产研究所 | Artificial breeding method and incubator for shatang carp |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1846480A (en) * | 2006-04-14 | 2006-10-18 | 浙江省淡水水产研究所 | Artificial breeding method and incubator for shatang carp |
Non-Patent Citations (1)
| Title |
|---|
| 刘鉴毅 等.点篮子鱼人工繁育技术研究.《海洋渔业》.2009,第31卷(第1期),73－80. * |
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