CN105850707A - Microalgae suspension device of prawn factory culture pond - Google Patents

Microalgae suspension device of prawn factory culture pond Download PDF

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Publication number
CN105850707A
CN105850707A CN201610236477.9A CN201610236477A CN105850707A CN 105850707 A CN105850707 A CN 105850707A CN 201610236477 A CN201610236477 A CN 201610236477A CN 105850707 A CN105850707 A CN 105850707A
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CN
China
Prior art keywords
air
water
pipe
culturing pool
discharge
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CN201610236477.9A
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Chinese (zh)
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CN105850707B (en
Inventor
李健
葛红星
刘云峰
沈明明
柳飞
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Qingdao Excellence Ocean Group Co Ltd
Yellow Sea Fisheries Research Institute Chinese Academy of Fishery Sciences
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Qingdao Excellence Ocean Group Co Ltd
Yellow Sea Fisheries Research Institute Chinese Academy of Fishery Sciences
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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G33/00Cultivation of seaweed or algae
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04Arrangements for treating water specially adapted to receptacles for live fish
    • A01K63/042Introducing gases into the water, e.g. aerators, air pumps
    • 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

Abstract

The invention relates to a microalgae suspension device of a prawn factory culture pond and belongs to the field of aquaculture. The microalgae suspension device comprises micropore aeration pipes, air stones, an air collecting pipe, turning bends, a fixing frame, an air pipe and a blower. The micropore aeration pipes at the bottom of the pond are parallelly laid at the bottom of the culture pond, the periphery of the bottom of the culture pond is provided with 2-4 air stones fixed to the bottom of the culture pond, the air collecting pipe is arranged at 2-4 cm over the air stones and is perpendicular to the bottom of the culture pond, the diameter of the air collecting pipe is larger than that of each air stone, and the air collecting pipe is fixed to the wall of the pond through the fixing frame. The ends of the turning bends are connected with an opening at the top end of the air pipe, the other ends of the turning bends are parallel and are lower than the culture water surface by 1-3 cm, a port is open, the direction of the turning bends is consistent with the direction of a water inlet pipe, and the air stones and the micropore aeration pipes are connected with the blower through the air pipe. The device enables culture pond water to perform circulating flow, algae are in a suspension state, and the device is favorable for algae growth and keeps algal facies of culture water balanced.

Description

A kind of prawn industrial cultivation pond microalgae levitation device
Technical field
The invention belongs to aquaculture field, suspending more particularly to a kind of prawn industrial cultivation pond microalgae fills Put.
Background technology
Prawn industrial cultivation to be mainly characterized by cultivation density high, daily ration, feeding quantity is big.High cultivation density and a large amount of Bait throwing in certainly will cause increasing of residual bait and feces in breeding water body, thus causes the inorganic nitrogens such as the ammonia nitrogen in water body Index rises.Planktonic microalgae can effectively absorb the inorganic nitrogen in breeding water body, reaches to improve the effect of water quality. Illumination is the main ecological factor affecting micro algae growth in prawn culturing water body, but, substantial amounts of residual bait and Feces often leads to water transparency to be reduced and makes bottom microalgae lack illumination.During prawn culturing, highly dense Degree microalgae easily precipitates, and owing to illumination is not enough, is in bottom frustule and hardly results in illumination.Maintain algae thin The basic light application time of intracellular growth can not meet, and often leads to the death of microalgae, it is difficult to builds stable excellent Algae phase.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of prawn industrial cultivation pond microalgae levitation device, This device by arranging micro-pore oxygenation pipe at the bottom of culturing pool, gas stone, discharge and turn to elbow to support the use, Making culturing pool circulate, algae is in suspended state, beneficially algal grown, keeps breeding water Algae is balanced each other.
The present invention is achieved by the following technical solutions:
A kind of prawn industrial cultivation pond microalgae levitation device, it include being positioned at the micro-pore oxygenation pipe at the bottom of culturing pool, Gas stone, discharge, turn to elbow, fixed mount, trachea and aerator, micro-pore oxygenation pipe parallel laid at the bottom of pond In at the bottom of culturing pool, culturing pool bottom perimeter is provided with 2-4 and is fixed on the gas stone at the bottom of culturing pool, 2-4 directly over gas stone Centimeters is perpendicular at the bottom of culturing pool be provided with a discharge, discharge diameter be more than gas stone diameter, discharge by Fixed mount is fixed on pool wall, turns to elbow one end to connect discharge top end opening, and the other end is parallel and is less than foster Grow below water surface 2-4cm, port open, turn to elbow consistent with water inlet pipe direction, gas stone and micro-pore oxygenation pipe It is connected with aerator by trachea.
When the state of use, the air one entered by trachea enters micro-pore oxygenation pipe, passes through micro-pore oxygenation Venthole on pipe makes current flow from bottom to top, another entrance gas stone of the gas in trachea, goes out from gas stone On the gas impact current direction come, just enter discharge, after arriving discharge upper end, in discharge Current are diverted elbow and change direction, consistent with the water (flow) direction entering culturing pool, drive the water in culturing pool Horizontal rotation, therefore, the breeding water of whole culturing pool is at micro-pore oxygenation pipe, gas stone, discharge and turns to Under the cooperation of elbow, upper and lower, horizontal cyclic rotates, so that the algae in culturing pool is in suspended state mutually, Maintain algae stable mutually.
Accompanying drawing explanation
Fig. 1 culturing pool and microalgae levitation device profile of the present invention: 1, culturing pool, 2, micro-pore oxygenation pipe, 3, Gas stone, 4, discharge, 5, turn to elbow, 6, fixed mount, 7, trachea, 8, aerator.
Detailed description of the invention
Below by specific embodiment, the technology of the present invention is further described explanation.
If no special instructions, the raw material employed in embodiments of the invention is the raw material that this area is common, Method employed in embodiment, is the conventional method of this area.
A kind of prawn industrial cultivation pond microalgae levitation device, as it is shown in figure 1, it include micro-pore oxygenation pipe 2, Gas stone 3, discharge 4, turning to elbow 5, fixed mount 6, trachea 7 and aerator 8, micro-pore oxygenation pipe is parallel Being layed in culturing pool 1 end, culturing pool bottom perimeter is provided with 3 gas stones being fixed at the bottom of culturing pool, gas Shi Zhengshang Being provided with a discharge at the bottom of side's 2 vertical culturing pools of centimeters, discharge diameter is more than gas stone diameter, discharge Being fixed on pool wall by fixed mount 6, discharge top is connected with turning to elbow 5, turns to elbow one end to connect collection Trachea top end opening, the other end is parallel and is less than water surface 2cm, belongs to open type, turns to elbow and water inlet pipe side To unanimously, gas stone is connected with aerator 8 by trachea 7 with micro-pore oxygenation pipe.
Described device is utilized to carry out the construction method of brackish water prawn industrial cultivation pond chlorella algae phase, described Chlorella is Platymonas helgolandica var, and the algae concretely comprising the following steps the preparatory stage builds mutually, cultivate early stage algae maintains mutually, supports Grow middle and late stage algae to maintain mutually;
The algae of described preparatory stage builds mutually, including water inlet in culturing pool, after abundant aeration is without chlorine residue, and will Platymonas helgolandica var algae solution after amplification culture is the most uniformly poured culturing pool into and is inoculated, initial inoculation concentration For (1-3) × 104Cell/ml, after inoculation, it is ensured that chlorella is in suspended state, observes water body color, light every day Learning counted under microscope and observe chlorella growth situation, after 3-5 days, in water body, chlorella cell number reaches (0.8-1.0) ×105Cell/ml, can throw in shrimp Seedling.
Cultivation early stage, does not change water, blowdown after bait throwing in 1-2h, and blowdown flow rate is about the 3-5% of total breeding water body, row Filling new water after dirt, water filters through 230 eye mesh screens;
Described cultivation middle and late stage algae maintains mutually, cultivates middle and late stage, observes water body color, optical microphotograph every day Count under mirror and observe Platymonas helgolandica var growing state.According to counted under microscope result, add Qingdao the most flat Algae culturing liquid or by draining discharge part Platymonas helgolandica var, make micro algae density maintain (0.8-1.0) ×105cell/ml.Within every 10-15 days, supplementing and apply an one-lime phosphate, consumption is 3-5g/m3;Every 15-20 days, Applying a ferric citrate, consumption is 0.2-0.5g/m3.Cultivation middle and late stage, every 10-15 days, once warp of splashing Bacillus subtilis after activation.Along with the increase of prawn daily ration, feeding quantity, every day, blowdown flow rate was total breeding water body 5-10%;
Embodiment 1
Experiment carry out at brackish water prawn industrial cultivation test site, Jiangzhou (the experimental period 5-8 month in 2015, Amount to 84 days).Litopenaeus vannamei breeding density is 300 tails/m3.Experimental water mud sump is circular (radius =0.97m, highly=1.0m), totally 36, wherein 30 inoculation Platymonas helgolandica vars, operate as stated above; 6 is tradition " solarization water " cultural method, does not inoculate microalgae, and every day, quantity of exchanged water was 10-30%.During experiment, Salinity (20.78 ± 0.06) ‰, temperature (29.87 ± 0.13) DEG C.
Result shows, during inoculation Platymonas helgolandica var group cultivation, algae is stable mutually, and the tradition cultivation group cultivation later stage Microcystis aeruginosa and silkweed occur.In inoculation Platymonas helgolandica var group water body, Total inorganic nitrogrn is respectively than tradition cultivation group Reduce by 89.4% and 90.5%;Prawn opisthosoma is heavily respectively (18.04 ± 1.36) g and (14.30 ± 0.08) g;Prawn produces Amount (4.41 ± 0.14) kg/m respectively3(2.41 ± 0.04) kg/m3
Apparatus of the present invention can be equally used for other beneficial algae and cultivate and cultivate aquatic animal.

Claims (1)

1. a prawn industrial cultivation pond microalgae levitation device, it is characterised in that it is micro-that it includes being positioned at the bottom of culturing pool Hole oxygen increasing tube, gas stone, discharge, turn to elbow, fixed mount, trachea and aerator, micro-pore oxygenation Guan Ping Row is layed at the bottom of culturing pool, and culturing pool bottom perimeter is provided with 2-4 and is fixed on the gas stone at the bottom of culturing pool, gas Shi Zhengshang Side's 2-4 centimeters is perpendicular at the bottom of culturing pool be provided with a discharge, and discharge diameter is more than gas stone diameter, gas collection Pipe is fixed on pool wall by fixed mount, turns to elbow one end to connect discharge top end opening, and the other end is parallel and low 2-4cm below water surface for aquaculture, port open, turn to elbow consistent with water inlet pipe direction, gas stone and micropore increase Oxygen pipe is connected with aerator by trachea.
CN201610236477.9A 2016-04-15 2016-04-15 A kind of prawn industrial cultivation pond microalgae levitation device Active CN105850707B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110547234A (en) * 2018-12-14 2019-12-10 浙江海洋大学 Staged step type circulating integrated breeding system for penaeus vannamei boone

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2678356Y (en) * 2004-01-16 2005-02-16 陈浩 Energy saving aerator
CN2728228Y (en) * 2004-07-12 2005-09-28 朱伟宏 Rotary jet type automatic aerator
CN101397172A (en) * 2008-11-04 2009-04-01 中国水产科学研究院渔业机械仪器研究所 Circulating water shrimp cultured water treatment method and system
CN103478055A (en) * 2013-10-18 2014-01-01 海南省水产研究所 Indoor industrial penaeus vannamei culture device
CN203492593U (en) * 2013-10-18 2014-03-26 海南省水产研究所 South America white shrimp indoor factorization cultivation device
CN204070192U (en) * 2014-08-29 2015-01-07 广东振华电器有限公司 A kind of floating jet oxygen-increasing machine
CN104705246A (en) * 2011-07-22 2015-06-17 吴为国 Method and facility for enabling water to flow and conducting oxygenation through jet devices
CN105075964A (en) * 2015-07-01 2015-11-25 浙江海洋学院 Intensive cultivation method of shrimps in raceway pond

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2678356Y (en) * 2004-01-16 2005-02-16 陈浩 Energy saving aerator
CN2728228Y (en) * 2004-07-12 2005-09-28 朱伟宏 Rotary jet type automatic aerator
CN101397172A (en) * 2008-11-04 2009-04-01 中国水产科学研究院渔业机械仪器研究所 Circulating water shrimp cultured water treatment method and system
CN104705246A (en) * 2011-07-22 2015-06-17 吴为国 Method and facility for enabling water to flow and conducting oxygenation through jet devices
CN103478055A (en) * 2013-10-18 2014-01-01 海南省水产研究所 Indoor industrial penaeus vannamei culture device
CN203492593U (en) * 2013-10-18 2014-03-26 海南省水产研究所 South America white shrimp indoor factorization cultivation device
CN204070192U (en) * 2014-08-29 2015-01-07 广东振华电器有限公司 A kind of floating jet oxygen-increasing machine
CN105075964A (en) * 2015-07-01 2015-11-25 浙江海洋学院 Intensive cultivation method of shrimps in raceway pond

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110547234A (en) * 2018-12-14 2019-12-10 浙江海洋大学 Staged step type circulating integrated breeding system for penaeus vannamei boone

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