CN110235809A - Floating type fish egg and egg sorting device - Google Patents

Floating type fish egg and egg sorting device Download PDF

Info

Publication number
CN110235809A
CN110235809A CN201910682456.3A CN201910682456A CN110235809A CN 110235809 A CN110235809 A CN 110235809A CN 201910682456 A CN201910682456 A CN 201910682456A CN 110235809 A CN110235809 A CN 110235809A
Authority
CN
China
Prior art keywords
egg
ovum
sorting
slot
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910682456.3A
Other languages
Chinese (zh)
Inventor
徐天宝
丁少波
杨宜文
徐祥昆
张宇
鲍智弥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PowerChina Kunming Engineering Corp Ltd
Original Assignee
PowerChina Kunming Engineering Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PowerChina Kunming Engineering Corp Ltd filed Critical PowerChina Kunming Engineering Corp Ltd
Priority to CN201910682456.3A priority Critical patent/CN110235809A/en
Publication of CN110235809A publication Critical patent/CN110235809A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/60Fishing; Aquaculture; Aquafarming

Landscapes

  • 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

Drift roe egg grain sorting device relates to hydraulic and hydroelectric engineering field, especially a drift roe egg grain sorting device who sorts the normal ovum of drift roe and inactivation ovum when applying to power station fish proliferation station artificial breeding. The egg sorting device comprises a sorting groove, an egg inlet pipe, an inactivated egg discharge groove and an egg outlet groove, wherein the egg outlet groove is arranged at the tail part of the sorting groove; the inactivated ovum discharge groove is in a circular truncated cone shape and is arranged at the lower part of the middle section of the sorting groove; the egg inlet pipe is horizontally arranged on the side wall of the front part of the sorting groove, and the sorting groove, the egg inlet pipe, the inactivated egg discharge groove and the egg outlet groove are communicated; the front end of the sorting groove is provided with a water inlet. The invention utilizes water flow to drive fish eggs to flow, sorts the fish eggs according to the specific gravity of various fish eggs, and sorts the fish eggs by adopting gravity, thereby not only improving the efficiency, but also better protecting the fish eggs.

Description

Drift fish-egg ovum grain sorting equipment
Technical field
When applying to the artificial propagation of power station fish multiplication station the present invention relates to hydraulic and hydroelectric engineering field, especially one kind It sorts the normal ovum of drift fish-egg and inactivates the drift fish-egg ovum grain sorting equipment of ovum.
Background technique
The construction of hydraulic and hydroelectric engineering causes influence to the fish in river.To alleviate the influence to fish, pass through fish It is a kind of effective method that the mode of class proliferation station enhancement releasing, which protects fish,.During artificial propagation of fish, need fish-egg In inactivation ovum sort out, in order to avoid influence fish normal incubation.Conventional method is manual sorting, not only low efficiency, but also is sorted It is easy to cause secondary injury to fish-egg in the process.
According to fish-egg specific gravity, it is divided into demersal egg, buoyant egg and Drifting egg.Demersal egg specific gravity is sunk to after output than water weight It is water-bed;Buoyant egg specific gravity is floated than water heavy and light with wave;Drifting egg, specific gravity slightly overweight water, and hydrostatic sinks under water, and move water floating In water.Bighead and silver carp fish-egg are all drift fish-egg.Chapman etc. has surveyed bighead and silver carp fish-egg different developmental phases Ovum grain size and density develop fish-egg early period partial size as the result is shown and increase at any time and increase, and density then increases at any time and subtracts Small, development later stage partial size and density tend towards stability.The specific gravity of drift fish-egg is with hair in general with development change The time educated increases specific gravity and reduces.Since inactivation egg development stops, compared with normal ovum of the same period, specific gravity is larger, therefore heavy Speed is also larger.
Summary of the invention
It is to be solved by this invention be exactly current fish artificial propagation during, manual sorting's fish-egg low efficiency, be easy The problem of damaging, provide when one kind applies to the artificial propagation of power station fish multiplication station the sorting normal ovum of drift fish-egg and Inactivate the drift fish-egg ovum grain sorting equipment of ovum.
Drift fish-egg ovum grain sorting equipment of the invention, it is characterised in that the sorting equipment include sorting slot, into oviduct, Ovum discharge slot and out ovum slot are inactivated, the setting of ovum slot is in sorting slot tail out;It is in a circular table shape to inactivate ovum discharge slot, is arranged in sorting slot Intermediate pars infrasegmentalis;Sorting slot front side-walls are horizontally set on into oviduct, sorting slot is discharged slot into oviduct, inactivation ovum and goes out Connection inside ovum slot;Sorting front of the slot is provided with water inlet.
It is provided with valve on the water inlet, for being adjusted into the flow rate of water flow of sorting slot.
The inactivation ovum discharge trench bottom is provided with outlet, and collector is arranged at outlet, and inactivation ovum sinks to inactivation After slot is discharged in ovum, it is expelled in collector, is uniformly processed by outlet.
The fish-egg of drift, specific gravity is gradually reduced with the development of fish-egg, and is inactivated ovum and developed due to having stopped, Specific gravity will not change, and therefore, the specific gravity for inactivating ovum is more great than the ratio of normal ovum, and the settling velocity in water is big also relative to normal ovum; After all fish-eggs are by entering sorting slot into oviduct, since settling velocity is different, inactivation ovum subsidence velocity is fast, settling velocity under normal ovum Degree is slow;And under the effect of same water velocity, normal ovum sinking can reach out ovum slot slowly, and inactivate ovum and then quickly sink, Inactivation ovum discharge trench bottom is dropped into, is discharged by the outlet of bottom.
Drift fish-egg ovum grain sorting equipment of the invention, structure is simple, design science, easy to use, passes through valve tune The whole flow rate of water flow into sorting slot drives fish-egg to flow, is sorted according to the specific gravity of various fish-eggs, utilized using water flow It inactivates ovum specific gravity and is greater than normal ovum, inactivation ovum is enabled to sink to discharge in inactivation ovum discharge slot, and normal ovum is then under the drive of water flow, By going out the discharge of ovum slot, is sorted using gravity, not only increase efficiency, also preferably protect fish-egg.
Detailed description of the invention
Fig. 1 is overlooking structure diagram of the present invention.
Fig. 2 is positive structure schematic of the present invention.
Wherein, sorting slot 1 inactivates ovum and slot 3 is discharged, out ovum slot 4 into oviduct 2, water inlet 5.
Specific embodiment
Embodiment 1: a kind of drift fish-egg ovum grain sorting equipment, including sorting slot 1, into oviduct 2, inactivation ovum be discharged slot 3 Ovum slot 4 out, ovum slot 4 is arranged in 1 tail portion of sorting slot out;It is in a circular table shape to inactivate ovum discharge slot 3, is arranged in 1 interlude of sorting slot Lower part;1 front side-walls of sorting slot are horizontally set on into oviduct 2, slot 3 and out ovum is discharged into oviduct 2, inactivation ovum in sorting slot 1 It is connected to inside slot 4;1 front end of sorting slot is provided with water inlet 5.It is provided with valve on water inlet 5, for being adjusted into sorting slot 1 Flow rate of water flow.Inactivation ovum discharge 3 bottom of slot is provided with outlet, and outlet, which goes out, is arranged collector, and inactivation ovum sinks to inactivation ovum After slot 3 is discharged, it is expelled in collector, is uniformly processed by outlet.
The fish-egg of drift, specific gravity is gradually reduced with the development of fish-egg, and is inactivated ovum and developed due to having stopped, Specific gravity will not change, and therefore, the specific gravity for inactivating ovum is more great than the ratio of normal ovum, and the settling velocity in water is big also relative to normal ovum; After all fish-eggs are by entering sorting slot 1 into oviduct 2, since settling velocity is different, inactivation ovum subsidence velocity is fast, and normal ovum sinks Speed is slow;And under the effect of same water velocity, the sinking of normal ovum can reach out ovum slot 4 slowly, and inactivate ovum then quickly under It is heavy, inactivation ovum discharge 3 bottom of slot is dropped into, is discharged by the outlet of bottom.
The present apparatus needs to adjust intake chamber flow according to inactivation ovum settling velocity, guarantees that inactivation ovum drops into 1 bottom of sorting slot;According to Intake chamber uninterrupted is estimated according to following formula;When practical operation, the flow of intake chamber can be adjusted by practical sorting effect, with Reach sorting purpose
In above formula, Q is intake chamber flow, unit m3/ s, is controlled by valve;B is water inlet groove width, unit m;H For the intake chamber depth of water, unit m;L is 1 length of sorting slot, unit m;U is inactivation ovum settling velocity, and unit m/s can be according to reality Test acquisition;V is normal ovum settling velocity, and unit m/s can be obtained according to experiment;H is 4 depth of water of ovum slot, unit m.
Certain fish multiplication station enhancement releasing bighead and silver carp:
(1) settling velocity calculates
The partial size and density calculation formula of bighead and silver carp are as follows:
In above formula, t is moment, unit s;D (t) is t moment fish-egg partial size, unit mm;ρOvumIt (t) is t moment fish-egg density, kg/m3;Then the settling velocity formula of bighead and silver carp is as follows:
In above formula, V is settling velocity in hydrostatic, unit m/s;ρOvumFor fish-egg density, units/kg/m3;ρLiquidFor the density of water, unit kg/m3;G is acceleration of gravity;D is fish-egg partial size, unit m;
It is calculated according to formula above, the settling velocity of the normal ovum of bighead is 0.03m/s, and it is 0.04m/ that bighead, which inactivates ovum settling velocity, S, the normal ovum settling velocity of silver carp are 0.02m/s, and it is 0.03m/s that silver carp, which inactivates ovum settling velocity,;
(2) ovum grain sorting equipment size
Water inlet groove width 0.2m, intake chamber depth of water 0.2m, 1 length 1m of sorting slot are designed, out 4 depth of water 1.5m of ovum slot;
(3) flow of bighead fish-egg sorting
Final choice bighead fish-egg sorts flow 0.001m3/s;
(4) flow of silver carp sorting
Final choice silver carp fish-egg sorts flow 0.0008m3/s.When practical operation, effect can be sorted according to fish-egg and adjust flow, until most of inactivation ovum is sorted out Come.

Claims (3)

1. a kind of drift fish-egg ovum grain sorting equipment, it is characterised in that the sorting equipment include sorting slot (1), into oviduct (2), Ovum discharge slot (3) and out ovum slot (4) are inactivated, ovum slot (4) is arranged in sorting slot (1) tail portion out;Inactivating ovum discharge slot (3) is in rotary table Shape, setting is in the intermediate pars infrasegmentalis of sorting slot (1);Sorting slot (1) front side-walls, sorting slot are horizontally set on into oviduct (2) (1), into oviduct (2), inactivation ovum discharge slot (3) and connection inside ovum slot (4) out;Sorting slot (1) front end is provided with water inlet (5).
2. drift fish-egg ovum grain sorting equipment as described in claim 1, it is characterised in that be arranged on the water inlet (5) There is valve, for being adjusted into the flow rate of water flow of sorting slot (1).
3. drift fish-egg ovum grain sorting equipment as described in claim 1, it is characterised in that slot (3) are discharged in the inactivation ovum Bottom is provided with outlet, and collector is arranged at outlet.
CN201910682456.3A 2019-07-26 2019-07-26 Floating type fish egg and egg sorting device Pending CN110235809A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910682456.3A CN110235809A (en) 2019-07-26 2019-07-26 Floating type fish egg and egg sorting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910682456.3A CN110235809A (en) 2019-07-26 2019-07-26 Floating type fish egg and egg sorting device

Publications (1)

Publication Number Publication Date
CN110235809A true CN110235809A (en) 2019-09-17

Family

ID=67893613

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910682456.3A Pending CN110235809A (en) 2019-07-26 2019-07-26 Floating type fish egg and egg sorting device

Country Status (1)

Country Link
CN (1) CN110235809A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202285868U (en) * 2011-11-02 2012-07-04 四川省农业科学院水产研究所 Breeding device for fish spawning drifting egg
CN203985551U (en) * 2014-05-27 2014-12-10 张俊彬 Fish-egg separator
CN104686422A (en) * 2015-03-16 2015-06-10 中国水产科学研究院黑龙江水产研究所 Egg membrane removal filtration device for fish artificial propagation hatching process
CN106804487A (en) * 2016-12-27 2017-06-09 珠江水利委员会珠江水利科学研究院 Study the test device and method of fish-egg movement mechanism
KR101947328B1 (en) * 2018-10-01 2019-02-13 영어조합법인 해연 Storage device for free-floating eggs
CN209135128U (en) * 2018-11-27 2019-07-23 贵港市鑫海水产种苗养殖场 Multi-cycle separation formula roe hatching device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202285868U (en) * 2011-11-02 2012-07-04 四川省农业科学院水产研究所 Breeding device for fish spawning drifting egg
CN203985551U (en) * 2014-05-27 2014-12-10 张俊彬 Fish-egg separator
CN104686422A (en) * 2015-03-16 2015-06-10 中国水产科学研究院黑龙江水产研究所 Egg membrane removal filtration device for fish artificial propagation hatching process
CN106804487A (en) * 2016-12-27 2017-06-09 珠江水利委员会珠江水利科学研究院 Study the test device and method of fish-egg movement mechanism
KR101947328B1 (en) * 2018-10-01 2019-02-13 영어조합법인 해연 Storage device for free-floating eggs
CN209135128U (en) * 2018-11-27 2019-07-23 贵港市鑫海水产种苗养殖场 Multi-cycle separation formula roe hatching device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
刘雪飞 等: "应用PTV粒子追踪测速技术的鱼卵运动试验研究", 《水利学报》 *
唐明英 等: "草、青、鲢、鳙鱼卵水力学特性试验及其在三峡库区孵化条件初步预测", 《水利渔业》 *

Similar Documents

Publication Publication Date Title
KR101602571B1 (en) Green tide removal apparatus for using uv-c lamp and ultrasonic wave generator
DK201900721A1 (en) A floating arrangement for breeding fish and shellfish
US20170000094A1 (en) Segmented fish pump system
Xiao et al. Movement characteristics of fish in a jet fish pump
CN105309344A (en) Ship type self-balanced submerging and floating net cage
GB1170884A (en) Installation for Recovery of a Liquid Floating on a Water Surface.
WO2017035459A2 (en) Wave dissecting and redirecting equipment and system to limit effects of tide on coastal areas
CN208378483U (en) Mobile recovery system for floating oil
US20020044835A1 (en) Selective reservoir withdrawal system
CN110235809A (en) Floating type fish egg and egg sorting device
JPH1098973A (en) Marine plankton culture unit
CN203860188U (en) Green tide enclosure experimental device
CN214883376U (en) Fish migration dam-crossing auxiliary system
CN110326571A (en) Convenient for the fish culture equipment of cleaning
CN109644899A (en) Multipurpose fish multiplication station wilding training system and using method
CN115615660A (en) Testing device and testing method for non-uniform sand motion probability
CN106585912B (en) Floating body capable of controlling balance
CN109853493B (en) Pump valve pipeline type fish passing method
CN113216076A (en) Fish migration dam-crossing auxiliary system and use method thereof
CN213921395U (en) Improved positioning pile of fish collecting ship
CN205524825U (en) High automatically regulated's water quality monitoring floating bucket type carries on platform
CN210621464U (en) Fixing device for water floating platform
CN111442905A (en) Simulation system for air overflow and sand discharge
CN209594533U (en) Fish multiplication station of multipurpose training system that appears in countryside
CN115039729B (en) Small yellow croaker transfer device and method capable of improving survival rate

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190917

RJ01 Rejection of invention patent application after publication