CN203353435U - Bay scallop egg aerated washing device - Google Patents
Bay scallop egg aerated washing device Download PDFInfo
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- CN203353435U CN203353435U CN2013204690721U CN201320469072U CN203353435U CN 203353435 U CN203353435 U CN 203353435U CN 2013204690721 U CN2013204690721 U CN 2013204690721U CN 201320469072 U CN201320469072 U CN 201320469072U CN 203353435 U CN203353435 U CN 203353435U
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- bay scallop
- chassis
- support
- inflatable tube
- gas tube
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The utility model particularly relates to a bay scallop egg aerated washing device, structurally comprising an chassis, a support and an inflatable tube, wherein the bottom of the chassis is provided with a plurality of universal wheels; the upper part of the chassis is fixedly provided with the support; the support is connected with the inflatable tube through a rotating shaft; and an upper port of the inflatable tube is connected with a hose through a connecting sleeve. In a preferable technical scheme, the inflatable tube is an S-shaped inflatable tube; the bottom of the chassis is provided with 3 or 4 universal wheels; the orifice diameters of the inflatable tube and the hose are 4cm; and the chassis, the support and the inflatable tube are all made of stainless steel material. By using the device provided by the utility model, the bay scallop hatching water quality is improved, and the bay scallop egg washing time can be shortened; and compared with the prior art, the bay scallop egg aerated washing device has the advantages that the hatching rate is remarkably increased, the economic benefit is increased; and the bay scallop egg aerated washing device has a bright application prospect on the aspects of bay scallop hatching and cultivation.
Description
Technical field
The utility model belongs to shellfish culture device technique field, especially relates to a kind of bay scallop aeration and washes the ovum device.
Background technology
Bay scallop (Argopectenirradias Lamarck) original producton location is the U.S., Atlantic bank, from the eighties in last century, introduces China, has become one of main breed variety of northern shellfish at present.Bay scallop belongs to hermaphroditism, and during close shellfish spawning and fertilization, sperm quantity is wayward, easily forms polyspermy, and too much sperm is ruined water quality simultaneously, lopsided individuality is increased, therefore Incubation Rate of Argopecten irradians is starkly lower than other gonochorism scallops aborning.How effectively to improve Incubation Rate of Argopecten irradians, be one of bay scallop industrial artificial seedling rearing key issue that must solve.Scallop can improve water quality by washing ovum after laying eggs, and improves incubation rate.The commonly used ovum method of washing is a minute pond, aeration.Aeration is by the hatchery inflation, makes sperm form foam and discharges.Aeration is washed the method that ovum adopts the inflation of gas stone more at present, and the method is that several fixing points are set in pond, continues inflation, and many ponds share an inflation source.Its shortcoming is to disperse morely, narrow-minded due to gas stone, and inflation time point position is fixed with dead angle, and in water, unnecessary sperm can't form foam fast, causes washing the ovum time long, and in water, the sperm discharge is not thorough.
The utility model content
Bay scallop aeration described in the utility model is washed the ovum device, can solve traditional aeration method and adopt the inflation of gas stone fixed point, narrow-minded, inflation time point position is fixed with dead angle, in water, unnecessary sperm can't form foam fast, it is long to cause washing the ovum time, in water, sperm is discharged halfway problem, according to fluid mechanics principle, adopt the method for high strength, comprehensive inflation, make sperm unnecessary in water form fast at short notice foam, this device facilitates subsequent operation, connect fan blower by this device, can guarantee that inflation is concentrated, aeration quantity is large; This device can slide at the bottom of pond, and the arbitrfary point inflation has guaranteed uniformity and the popularity of inflating.Adopt this device to wash ovum, can shorten and wash the ovum time, when keeping highdensity hatching, can also improve incubation rate.Can effectively improve the hatching water quality of bay scallop, shorten bay scallop and wash the ovum time, incubating oosperm density is brought up to 80-100/ml, incubation rate reaches more than 65%, compare traditional aeration method significant effect is arranged, and improved economic benefit, had wide practical use aspect bay scallop hatching, cultivation.
The technical solution of the utility model relates to a kind of bay scallop aeration and washes the ovum device, and it comprises chassis, support and gas tube; Wherein said tray bottom is provided with some universal wheels: top, chassis is fixedly installed support; Described support is connected by rotating shaft with gas tube; The upper port of described gas tube is connected with flexible pipe by adapter sleeve.
In preferred technical scheme, described gas tube is S shaped inflatable pipe.
In preferred technical scheme, the number that described tray bottom is provided with universal wheel is 3 or 4.
In preferred technical scheme, the nozzle diameter of described gas tube and flexible pipe is 4cm.
In preferred technical scheme, described chassis, support and gas tube are the stainless steel material manufacture.
In preferred technical scheme, the upper port of described gas tube must, higher than the pond horizontal plane, grip with the handled easily person.
Beneficial effect:
1. large, concentrated at most, more be conducive to unnecessary sperm in water and arrive water surface with gas fast, form foam
2. inflation at the bottom of pond, can guarantee that each water layer seminal fluid discharges with gas
3. arbitrfary point inflation, dead angle is not evenly stayed in inflation
4. conveniently moving can be used between different hatcheries in rotation
5. cheap, reusable
6. mechanism's advantages of simple, apply in being convenient to produce
7. when bay scallop is hatched, adopt this device to be washed the hatching density that ovum can improve unit of water body, improve incubation rate.
The accompanying drawing explanation
Fig. 1. the bay scallop aeration is washed ovum device side view;
Fig. 2. the bay scallop aeration is washed ovum device rearview;
Wherein: 11. chassis; 12. support; 13. universal wheel; 21. gas tube; 22. flexible pipe; 23. adapter sleeve; 3. rotating shaft;
Embodiment
Following non-limiting example can make those of ordinary skill in the art's comprehend the utility model, but limits never in any form the utility model.
Embodiment 1
Below in conjunction with attached Fig. 1 and 2, device described in the utility model is further described to structure, the bay scallop aeration is washed the ovum device, and it comprises chassis 11, support 12 and S shaped inflatable pipe 21; 11 bottoms, wherein said chassis are provided with 4 universal wheels 13: 11 tops, chassis are fixedly installed support 12; Described support 12 is connected by rotating shaft 3 with gas tube 21; The flexible pipe 22 that the upper port of described gas tube 21 is 4cm by adapter sleeve 23 with diameter is connected, because whole device is the promotion by gas tube, complete aeration operation at the bottom of pond, therefore the upper end of described gas tube 21 end of flexible pipe 22 (near) should be higher than the horizontal plane in pond, thereby facilitate during the workman is held in hand by gas tube 21 in the pool side operation.Described chassis 11, support 12 and gas tube 21 are the stainless steel material manufacture.
Under 18-19 ℃ of water temperature condition, support temporarily accelerating bay scallop kind shellfish sexual gland index and reach 15-17%, effective accumulated temperature reaches more than 400 ℃, the avette rule of microexamination, and yolk is even, and sperm viability well just can be carried out artificial induced spawning.The 30-40 minute that dries in the shade, then add the sand filtration seawater of 21-22 ℃, adds after water within about 40 minutes, to plant shellfish and start ejaculation and lay eggs.30m
3hatchery, plant shellfish 3500-3600/ piece, after finding kind of shellfish ejaculation, 15-18 minute triploidy rate can reach 80-100/ml, then will all plant shellfish and move into another hatchery of having filled it up with 21-22 ℃ of seawater continue to lay eggs (usually through the pond of moving of 4-5 time, the bay scallop laying eggs end).Remove and just immediately aeration is carried out in this hatchery and wash ovum once plant shellfish, repeatedly operate according to following steps 1-3, until the inflation non-foam forms, till the clarification of hatchery water quality.
1. inflation, form foam
The fan blower air port is connected with the mouth of pipe that the bay scallop aeration is washed flexible pipe one end of ovum device, the bay scallop aeration can be washed to any position (being mainly center and bottom ventilation to hatchery) that the ovum device is placed in hatchery.
Utilize the described whole device of embodiment 1, during incubation, the operator starts fan blower by promoting gas tube 21, controls whole device residing position at the bottom of pond, thereby at the bottom of completing pond, aeration operates.Utilize aeration fully to stir hatchery, the sperm in water, along with gas arrives the surface, hatchery, forms foam.
Between the incubation period, with 30m
3hatchery is example, and the external flexible pipe 22 that meets an internal diameter 4cm of power 1.5KW fan blower is inserted into the bottom, hatchery, extensive uniform aeration at the bottom of Chi1-2Quan ， pond, and in water, unnecessary sperm arrives the surface, hatchery with gas, forms a large amount of foams.
2. collection foam
Utilize the foam collecting board to collect the foam that step 1 forms, wherein, the structure of described foam collecting board is: fixing long rod handle on the edge, long limit of stripe board, the length of described stripe board is slightly less than the side of rectangle hatchery.The length of described long rod handle approaches user's height, the convenient operation person stands hand-held in the both sides, hatchery, two handles of two hand-held foam collecting boaries of operator's difference, from hatchery, one end is walked to the other end, the foam collecting board, at hatchery water surface paddling, forms foam by step 1 and is collected in the zone that hatchery one side is less, so that pull out.
3. pull foam out
Utilize iron wire to make spherical framework, gravity flow screen tulle on framework then, the operator can utilize this instrument to streak at the water surface of hatchery, and the foam that just step 2 can be assembled drag for to pond, treats that foam can't pull out to the bolting silk net less, just can stop this step and operate.
With 30m
3the hatchery of volume is example, under the condition of 21-22 ℃ of hatching water temperature, the hatching density 80-100 of fertilized egg/ml, adopt this method to wash ovum 60-80 minute, incubation rate reaches and can arrive more than 65%, this method is according to fluid mechanics principle, inflate intensity and inflation point position by increase, make unnecessary sperm in water form fast foam, then collect, pull operational sequence out and washed ovum in conjunction with foam, wash the ovum method with tradition and compare not only and greatly shortened and washed the ovum time, and improved hatching density and incubation rate.
2008-2012, within continuous 5 years, at the subordinate's of Research Institute of Ocean Fishery Science, Liaoning Province the breeding center of drawing, carried out Artificial Rearing of Scallop production.Utilize the described method of embodiment 1, after bay scallop kind shellfish lays eggs ejaculation 15-18 minute, to plant shellfish and lift to other hatcheries, and then by multipoint random, sample quantitative analysis method the fertilized egg quantity of hatchery is added up, guarantee that the hatchery triploidy rate remains on 80-100/ml.Washed immediately the ovum operation, recycle step 1-3 in this method, through the ovum of washing of 60-80 minute, the hatchery non-foam formed, and water colour becomes comparatively clarification by muddiness, washes ovum and completes.Treat that development of fertilized ova is to the D type young, still adopt multiple spot to sample immediately the method for quantitative analysis, the quantity of the D type young is added up.
Incubation rate (%)=(D type young number/fertilized egg number) * 100, statistics over the years is in Table 1.
According to the production practices of continuous 5 years, the hatchery of 30m3, incubating oosperm density 80-100/ml, the fan blower of employing 1.5KW, the flexible pipe inflation of joining internal diameter 4cm, wash ovum time 60-80 minute, and final incubation rate can reach more than 65%.The statistics data are known: produce water body 1800m3, and seedling water 1000m3 wherein, bait is cultivated water body 800m3, every annual output commercial seedling 2-3 hundred million.
Table 1.2008 year Artificial Rearing of Scallop production statistics in-2012
The above; it is only preferably embodiment of the utility model; but protection domain of the present utility model is not limited only to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or changed according to the technical program and utility model design thereof, within all should being encompassed in protection domain of the present utility model.
Claims (5)
1. a bay scallop aeration is washed the ovum device, it is characterized in that comprising chassis, support and gas tube; Wherein said tray bottom is provided with some universal wheels: top, chassis is fixedly installed support; Described support is connected by rotating shaft with gas tube; The upper port of described gas tube is connected with flexible pipe by adapter sleeve.
2. bay scallop aeration according to claim 1 is washed the ovum device, it is characterized in that described gas tube is S shaped inflatable pipe.
3. bay scallop aeration according to claim 1 is washed the ovum device, it is characterized in that the number that described tray bottom is provided with universal wheel is 3 or 4.
4. bay scallop aeration according to claim 1 is washed the ovum device, and the nozzle diameter that it is characterized in that described gas tube and flexible pipe is 4cm.
5. bay scallop aeration according to claim 1 is washed the ovum device, it is characterized in that described chassis, support and gas tube are the stainless steel material manufacture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204690721U CN203353435U (en) | 2013-08-01 | 2013-08-01 | Bay scallop egg aerated washing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204690721U CN203353435U (en) | 2013-08-01 | 2013-08-01 | Bay scallop egg aerated washing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203353435U true CN203353435U (en) | 2013-12-25 |
Family
ID=49801282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204690721U Expired - Fee Related CN203353435U (en) | 2013-08-01 | 2013-08-01 | Bay scallop egg aerated washing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203353435U (en) |
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2013
- 2013-08-01 CN CN2013204690721U patent/CN203353435U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Zhongying Inventor after: Fu Chengdong Inventor after: Li Shilei Inventor after: Pan Dechuang Inventor after: Yang Huihua Inventor after: Lin Shanshan Inventor after: Wang Chao Inventor after: Tan Kefei Inventor after: Liu Weidong Inventor after: Teng Weiming Inventor before: Liu Zhongying Inventor before: Pan Dechuang Inventor before: Yang Huihua Inventor before: Lin Shanshan Inventor before: Wang Chao Inventor before: Tan Kefei Inventor before: Liu Weidong Inventor before: Teng Weiming Inventor before: Fu Chengdong |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIU ZHONGYING PAN DECHUANG YANG HUIHUA LIN SHANSHAN WANG CHAO TAN KEFEI LIU WEIDONG TENG WEIMING FU CHENGDONG TO: LIU ZHONGYING LI SHILEI PAN DECHUANG YANG HUIHUA LIN SHANSHAN WANG CHAO TAN KEFEI LIU WEIDONG TENG WEIMING FU CHENGDONG |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20140801 |
|
| EXPY | Termination of patent right or utility model |