CN1108875A - Method and installation for aquiculturing in circular channel - Google Patents
Method and installation for aquiculturing in circular channel Download PDFInfo
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- CN1108875A CN1108875A CN94111927A CN94111927A CN1108875A CN 1108875 A CN1108875 A CN 1108875A CN 94111927 A CN94111927 A CN 94111927A CN 94111927 A CN94111927 A CN 94111927A CN 1108875 A CN1108875 A CN 1108875A
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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
This invention refers to the method and installation for aquiculture in closed circular water channel with high density aquiculture to promote the aquatic growth. Its characteristics is: putting the fishes in the networked chests and movable separator nets both fitted in the circular aquiculture channel, pushing the net chests and separator nets in overy fixed time, the aquiculture circular flow direction is vertical to the successive pushing direction of the net chests and separator nets. The installation adopts multi-functions buble pumps to pump water, and rotated filtrated nets to filtrate circular water to increase oxygen and remove ammonia-containing, nitrogen-containing substances and suspended solids. This invention has the advantages of occupying small area, little consumption of energy, high efficiency, being continuous and high yields of producing aquatic products.
Description
What the present invention relates to is aquaculture technology, particularly a kind of employing closed circulating water, and high-density breeding promotes the aquatic products aquiculturing in circular channel and the facility thereof of growth fast.
At present, patent relevant such as GK87104165, SU1671142-A3, US5038715-A, US5081954-A etc. with the present invention, these breeding techniques or facility all rest on the situation that is fit to support high value fish (eel), and support conventional fish (as carp etc.), economic benefit is just poor, even the situation that also will occur losing money, its reason is:
1, fixed assets, i.e. the investment of plant and equipment is big, causes cost absorption big;
2, the energy consumption height of Sheng Chaning, running expense is big;
3, production efficiency is low, and utilizing of equipment is insufficient.
Prior art causes above-mentioned reason owing to having the following disadvantages:
1, adopts the classification of single pond, branch specification cultural technique, strengthened and built pond investment and floor space, and still can not accomplish the most rational running at full capacity utilization the system equipment ability.
2, the various device of existing circulating water treatment, for example independent settings such as water pump, biological filter or jar, oxygenation pond or jar, function singleness, and adopt metal can more, and its construction costs height, the energy consumption height, and discharge capacity is little, and efficient is also poor.
The objective of the invention is to provides a kind of employing closed circulating water at the prior art above shortcomings, and high-density breeding goes out aquiculturing in circular channel and the facility thereof of finished product fish fast.
Breeding technique of the present invention is such: promptly it comprises the parent population raising, breeding, the raising of fry is to the adult fish output, relate to the circulation of water and the continuous processing of water quality therebetween, comprise and set up water circulation facility or power, carry out temperature control, oxygenation, transfer pH value, remove sediment and suspension, the processing of water quality such as deammoniation nitrogen, it is characterized in that placing ring-type to culture net cage 1 or movable filter 4 in the canal fry, raise in 8, press 3-5 canal in the Tian Shuan Year towards moving once in a certain respect, the room that stays increases new fry net cage again, along with constantly growing up of fry, with fry by net cage immigration activity net every interior, and the volume that increases filter gradually and enclosed, movable filter moves to the adult fish output mouth of ring canal after 130-150 days; In this ring canal shape feeding environment, the circulating water flow direction is vertical with net cage 1 or movable filter 4,8 recursion directions, by pump water treating pond F the water of handling is pumped in the water inlet ring channel B and to carry out the balance flow distribution, hole wall through culturing the ring canal enters and raises in the ring canal again, food-residue and excreta that one road band in the canal enter sedimentation and filtration ditch D, behind screen cloth filter 15,16,17,18, filtered water is in pipeline 20 flow back into pump water treating pond F, and canal A is cultured through ring-type in another road
1, A
2Flow in the taper sedimentation basin G, again in screen cloth filter 26 returns pump water treating pond F; Adopt multi-functional bubble pump 11 to carry out ammonia nitrogen and the work of suspension dirt in pump water, oxygenation, the removal water in the described pump water treating pond F.
With the supporting aquaculture facility of the above-mentioned breeding technique of the present invention, culture canal A by ring-type
1, A
2, compositions such as C, water inlet ring channel B, sedimentation and filtration ditch D, pump water treating pond F, parent fish pond H, fish disease treatment pond I; Wherein ring-type is cultured canal A
1, A
2, be placed with the movable filter 4,8 that fish culture net cage 1 or segmentation are settled in the C, water inlet ring channel B is positioned at ring-type and cultures the periphery of canal or be positioned at ring-type and culture canal C and ring-type breed canal A
1, A
2And between the pump water treating pond F, the bilateral or a side one bottom of ring-type breed canal are poroid for having; Sedimentation and filtration ditch D is positioned at ring-type and cultures the centre that canal enclosed, culturing canal by the through hole of hole wall 14 with ring-type is communicated with, the axis of sedimentation and filtration ditch D is provided with a lautertuns 16, rotating filter guipure 15,17,18 is installed around the notch, bottom land is equipped with water return pipeline 20, pipeline is passed by ring canal substrate and is communicated with pump water treating pond F, and sedimentation and filtration ditch has at the bottom of the conical tank 21, is in communication with the outside by blow-off line 22 at the bottom of the pond; Pump water treating pond F is positioned at the side of irrigation channel B, is mounted with multi-functional bubble pump 11 in it, and it cultures canal A by rotating through filter screen dish 26 with ring-type again
1, A
2Taper precipitation G under the bottom is communicated with; Parent fish pond H is arranged on the next door near water inlet ring channel B and pump water treating pond F; Fish disease treatment pond I cultures pond A by net road 28 and ring-type
1, A
2, C is communicated with; Ring-type is cultured and is passed through net road 6, gate 5,7 between the pond and cross fish pipeline 3 to connect.
Above-mentioned Processes and apparatus of the present invention can provide a non-limiting embodiment by accompanying drawing and further specify:
The present invention has following accompanying drawing:
Accompanying drawing 1 is the structure vertical view of facility of the present invention;
Accompanying drawing 3 is the K-K profile of Fig. 1;
Accompanying drawing 4 is multi-functional bubble pump structure cross-sectional schematic;
Accompanying drawing 5 is the structural representation of rotating filter guipure;
Accompanying drawing 6 is for rotating through the structural representation of filter screen dish.
Breeding process is as follows: referring to accompanying drawing 1, Fig. 2.
The equipment construction and installation are in a factory building.The additional water source that II provides.III is that the steam thermal source is provided in the pond.IV is that the lime water source is provided in the pond.These equipment are constant in order to the water level, water temperature and the water quality pH value that guarantee breeding water body.
Under the water temperature controlled condition, parent population reinforced cultivating among the parent fish pond H, (for example carp parent population) got final product sexual maturity once in two months.Support many to parent population, every pair of gradation hatching of laying eggs, then the anniversary constantly can obtain fry provenance I.
Once changed fry over to breeding spand A in 3 days
1In the net cage 1 of interior starting end.Whenever advance once, net cage 1 press double-head arrow=＞direction is along A
1The pond recursion once.Breeding spand A
1The each recursion of fry in the tail end net cage 1 then changes groove bucket 2 over to, enters breeding spand A through fish pipeline 3
2In the space of forming by filter 4.Each recursion, all filters 4 press double-head arrow=＞shown in direction along A
2Move in the pond.4 clip spaces of filter with each recursion, and are grown up and are enlarged with fingerling.A
2The fingerling of pond tail end recursion is more just taken out tail one filter 4, lock 5, lock 7 are opened, and the filter 4 that recursion is come pushed away be put into filter 4 positions of taking out earlier, force this group fish warp enter marketable fish poud C by in the alternate water body of movable filter 8 across the net road 6 of irrigation channel B.Each recursion, filter 8 move along ring-type marketable fish poud C by direction shown in the double-head arrow.8 clip spaces of filter are with each recursion and constantly growing up and increase with adult fish.Ring pushes away after the circle raising, and adult fish has grown up to marketable fish, has been turned back to the left side in net road 6 again.Lock 5, lock 7, lock 9 are opened in the operation of recursion again again, and the tail end filter 8 of folder marketable fish is moved on to the right from the left side that is fixed on net road 6, and the other end filter 8 of folder marketable fish advances to net road 6 folders, and then fish enters adult fish through net road 6 and lock 9 again automatically and sells pond 10.
Behind the full pond of fish, each recursion operation always goes out the pond from the tail end marketable fish and begins to the head end transmission, shifts out the room until the fry net cage 1 that begins, and advances till the fry again.This has just finished each fish and has advanced the fish recursion and follow back the breeding technique operation.
The fish disease prevention and cure measure is as follows in breeding process: when the fish recursion forwards I Chi Chu to, then sick fish is caught up with in the I of fish disease treatment pond by net road 28 and carried out pharmacotherapy.Water can be handled separately in the I pond, and its medicine water does not pollute full pond water system.
Supporting water circulation processing procedure is as follows:
VI among Fig. 7 is a compressed air source, and four groups of multi-functional bubble pumps 11 in being installed in four pump water treating pond F provide compressed air.Then four groups of multi-functional bubble pumps simultaneously pump water cross the impermeable wall 12 of F pond section and enter in the water ring channel B.The water that pumps improves through indexs such as the dissolved oxygen of its water quality of processing of multi-functional bubble pump, ammonia nitrogen, carbonic acid gas simultaneously, and material such as littler suspension and colloid is further removed in the water.Water is through the balance flow distribution in the water inlet circuit B, and major part is passed annular aperture wall (hole wall every fish not water proof) 13 and entered in the C of adult fish culture pond; Fraction passes through hole wall 23 through two of channel B and flows into breeding spand A respectively
1And A
2
Fresh current provide the fish growth condition at marketable fish poud C, and continue to flow and pass through annular distance wall 14 from all quarter, and the drainage refuse of breeding fish is compiled to sedimentation and filtration ditch D with the water band.Obtain precipitation at D pond bulky grain dirt, gather at the bottom of conical tank 21, and discharge outside the ponds by blow-off pipe 22.The water on sedimentation and filtration ditch D upper strata flows in the backwater conduit E that is surrounded by lautertuns 16 through the filtration of the ring-band shape screen cloth 15 of rotating filter guipure.Current continue downward water return pipeline 20 from two limits, conduit E bottom then, are back to pump water treating pond F through the pond basal part.This has promptly finished the first circular treatment loop of water.
The second circular treatment loop is referring to Fig. 3: water passes through hole wall 23 by water inlet ring channel B and enters breeding spand A
1Or A
2After, pass through A downwards
1Or A
2The hole base plate 24 of bottom, pond arrives and is located at A
1Or A
2The taper sedimentation basin G of bottom, pond
1Or G
2The bulky grain deposition of dirt is at G in the refuse of breeding fish that brings with water
1Or G
2The awl end, and by outside the blow-off pipe 25 discharge ponds.Current are again along G
1Or G
2Xiang Ertou flows, and filters through the filter screen dish 26 that rotates through that is located at two respectively, flow back in the pump water treating pond F from upper opening wall 27.
Referring to Fig. 5: amass at the rotating filter guipure, the deposit dirt on the ring-band shape screen cloth 15 is by being installed in the rolling stand 17,18 on the lautertuns 16
-1And the rotation of power drum support 18 drive, be transferred to suction Pan19Chu, just be sucked pump V and aspirate out outside the pond.
Referring to Fig. 6: amass the filter screen disk 26 that is rotating through the filter screen dish
-1On sediments, then be installed in deckle board 26
-2On belt 26
-3, deceleration power set 26
-4Trundle 26
-6On drive under make slow rotation.When turning to by support 26
-5The suction dish 26 that supports
-7The position time, then aspirate out outside the pond by the suction pump V.
In pump water treating pond F, current are pumped to the B pond by multi-functional bubble pump, and carry out oxygenation simultaneously, remove ammonia nitrogen waste gas such as () removing carbon dioxides and the process of suspension as follows:
Referring to Fig. 4, it is such that multi-functional bubble pump configuration and pump water conservancy project are done: compressed air source is by main tracheae 11
-3Accessory trachea 11
-4To the main gas stone group 11 that is installed in the bottom
-2And secondary gas stone group 11
-5Gas injection.The gas of main tracheae makes pump line 11 greater than the gas of accessory trachea
-1Interior gas-liquid proportion is less than bucket case 11
-6Interior gas-liquid proportion, then under two limit pressure differential effects, current are from bucket case 11
-8Top and collection bubble-cap lid 11
-10Between the space (as arrow → shown in) pass guard 11
-9Flow in the bucket case.Current pass biofilter material plastic flat fiber woven ball 11 in the bucket case
-7, pass end filter plate 11 again
-6Then from pump line 11
-1The outlet ejection climbs over wall road 12 and pumps among the irrigation channel B.
In above pump water process, current fully contact with bubble, have played sudden and violent gas oxygenation effect, make dissolved oxygen in water increase waste gas such as unnecessary carbonic acid gas and are excluded.Current are by biofilter material plastic flat fiber woven ball, and ammonia is disposed by the nitrite bacteria on the biofilter material carrier, nitrifying bacteria oxidation in the water under oxygen-enriched environment.The microbubble that the interior secondary gas stone group of the case that struggles against simultaneously discharges plays the flotation effect again, waits contaminant removal to fall suspension in the water and some dissolvings.
The present invention is because the above-mentioned technology of employing and its significant effect of facility are as follows:
1, output height, cost are low: for example a Specification Design of the present invention, effectively breeding water body 420M2, the water circulation treating capacity is 2.3M3/ second, cultivation density is 160Kg/M3Water body can be stored up 6.8 ten thousand kilograms of carps simultaneously, can produce carp per year more than 680,000 kilograms. Calculating its comprehensive production cost has been better than carrying out in the present natural water area Fish culture in net pen.
2, energy consumption is little, the device efficiency height: for example to produce the power consumption of per kilogram carp be in the 0.6 degree electricity in the present invention. And at present in the prior art than the GK87104165 patent system of power saving, add up its power consumption for producing kilogram fish power consumption 1.75 degree (references: " the industrialized fish culture engineering design is light "-" fishery machinery instrument " the 5th phase in 1997).
3, device of the present invention for ease of maintenaince, cleaning, change, and considered specially the bypath system of fish disease prevention and cure, continuous, efficient, the safe production of being more convenient for.
Claims (5)
1, a kind of aquiculturing in circular channel: comprise the parent population raising, breeding, the raising of fry is to the adult fish output, relate to the circulation of water and the continuous processing of water quality therebetween, comprise and set up water circulation facility or power, carry out temperature control, oxygenation, transfer pH value, remove sediment and suspension, the processing of water quality such as deammoniation nitrogen, it is characterized in that placing ring-type to culture net cage (1) or movable filter (4 in the canal fry, 8) raise in, by 3～5 the Tian Shuan Year canal move once towards a certain direction, the room that stays increases new fry net cage again, along with constantly growing up of fry, with fry by net cage immigration activity net every interior, and the volume that increases filter gradually and enclosed, movable filter moves to the adult fish output mouth of ring canal after 130～150 days; In this ring canal shape feeding environment, the circulating water flow direction is vertical with net cage (1) or movable filter (4,8) recursion direction, by pump water treating pond (F) water of handling is pumped in the water inlet ring channel (B) and to carry out the balance flow distribution, hole wall through culturing the ring canal enters and raises in the ring canal again, food-residue and excreta that one road band in the canal enter sedimentation and filtration ditch (D), behind screen cloth filter (15,16,17,18), filtered water is in pipeline (20) flow back into pump water treating pond (F), and canal (A is cultured through ring-type in another road
1, A
2) flow in the taper sedimentation basin (G), again in screen cloth filter (26) returns pump water treating pond (F); Adopt multi-functional bubble pump (11) to carry out ammonia nitrogen and suspension work in pump water, oxygenation, the removal water in the described pump water treating pond (F).
2, a kind of facility of circular channel type industrialized aquiculture: it is characterized in that culturing canal (A by ring-type
1, A
2, C), water inlet ring channel (B), sedimentation and filtration ditch (D), pump water treating pond (F), parent fish pond (H), fish disease treatment pond compositions such as (I); Wherein ring-type is cultured canal (A
1, A
2, C) in be placed with fish culture net cage (I) or segmentation arrangement activity filter (4,8), water inlet ring channel (B) is positioned at ring-type and cultures the periphery of canal or be positioned at ring-type and culture canal (C) and culture canal (A with ring-type
1, A
2) and pump water treating pond (F) between, it is poroid for having that ring-type is cultured the bilateral or a side one bottom of canal; Sedimentation and filtration ditch (D) is positioned at ring-type and cultures the centre that canal enclosed, culturing canal by the through hole of hole wall (14) with ring-type is communicated with, the axis of sedimentation and filtration ditch (D) is provided with a lautertuns (16), rotating filter guipure (15,17,18) is installed around the notch, bottom land is equipped with water return pipeline (20), pipeline is passed by ring canal substrate and is communicated with pump water treating pond (F), and sedimentation and filtration ditch has (21) at the bottom of the conical tank, is in communication with the outside by blow-off line (22) at the bottom of the pond; Pump water treating pond (F) is positioned at the side of irrigation channel B, is mounted with multi-functional bubble pump (11) in it, and it cultures canal (A by rotating through filter screen dish (26) with ring-type again
1, A
2) bottom taper sedimentation basin (G) connection down; Parent fish pond (H) is arranged near the next door of water inlet ring channel (B) with pump water treating pond (F); Pond (A is cultured by net road (28) and ring-type in fish disease treatment pond (I)
1, A
2, G) be communicated with; Ring-type is cultured and is passed through net road (6), gate (5,7) between the pond and cross fish pipeline (3) to connect.
3, circular channel type industrialized aquiculture facility according to claim 2, it is characterized in that: be installed in middle lautertuns (16) notch of sedimentation and filtration ditch (D) rotating filter guipure all around by ring-band shape screen cloth (15), rolling stand (17), power drum support (18), suction dish (19) is formed, wherein screen cloth (15) stretches tight frame on rolling stand (17) and power drum support (18), and suction dish (19) is installed near the one side.
4, circular channel type industrialized aquiculture facility according to claim 2 is characterized in that: be installed in the interior multi-functional bubble pump (11) of pump water treating pond F by splendid attire biofilter material (11
-7) bucket case (11
-8), be installed in the pump line (11 of one side
-1) and Ji Paozhaogai (11
-10) and guard (11
-9) form; Wherein struggle against case bottom is equipped with end filter plate (11
-6), place plastic flat fiber woven ball (11 in its superjacent air space
-7), the main tracheae (11 that is connected with compressed air source
-3) by bucket case bottom penetrate and with main gas stone group (11
-2) connect the accessory trachea (11 that is connected with compressed air source
-4) penetrate the back and be placed in end filter plate (11 by bucket case bottom
-6) on secondary gas stone group (11
-5) connect, water is by Ji Paozhaogai (11
-10) root edge pour in the bucket case in, pump line (11
-1) exceeding waterline, its delivery port is towards water inlet ring channel (B).
5, circular channel type industrialized aquiculture according to claim 2 is established and is revolved, and it is characterized in that rotating through filter screen dish (26) by active filters net dish (26
-1), power-transmitting part and suction dish (26
-7) form, wherein the net dish (26
-1) by being installed in deckle board (26
-2) on trundle (26
-6) and belt (26
-3) support and driven rotary suction dish (26
-7) by support (26
-5) be installed in net dish (26
-1) wire side on be adjacent on the position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94111927A CN1039078C (en) | 1994-10-08 | 1994-10-08 | Method and installation for aquiculturing in circular channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94111927A CN1039078C (en) | 1994-10-08 | 1994-10-08 | Method and installation for aquiculturing in circular channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1108875A true CN1108875A (en) | 1995-09-27 |
| CN1039078C CN1039078C (en) | 1998-07-15 |
Family
ID=5035750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94111927A Expired - Fee Related CN1039078C (en) | 1994-10-08 | 1994-10-08 | Method and installation for aquiculturing in circular channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1039078C (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100338999C (en) * | 2003-12-14 | 2007-09-26 | 宋志乐 | Motion water roundabout type culture pond |
| CN100435629C (en) * | 2005-09-01 | 2008-11-26 | 牟秀元 | Biological feedstuff, fish, shrimp and crab seedling circular biological breeding apparatus |
| CN102177867A (en) * | 2011-02-24 | 2011-09-14 | 西南大学 | Efficient and economical indoor circulating aquaculture system |
| CN104663548A (en) * | 2015-03-10 | 2015-06-03 | 海南文昌利洋对虾繁育有限公司 | Breeding loop |
| CN104872048A (en) * | 2015-06-29 | 2015-09-02 | 宁德市鼎诚水产有限公司 | Pond fish water tank type intensive recirculating aquaculture mode |
| CN106719275A (en) * | 2016-12-26 | 2017-05-31 | 浙江大学 | A kind of efficient manure separator of pond circulation water system |
| CN108770787A (en) * | 2018-07-18 | 2018-11-09 | 苏州千层茧农业科技有限公司 | Impregnate the cultivation apparatus of removal pesticide, hormone residues |
| CN108935254A (en) * | 2018-07-18 | 2018-12-07 | 苏州千层茧农业科技有限公司 | The cultivation apparatus of degrading pesticide, hormone residues |
| CN109077010A (en) * | 2018-07-18 | 2018-12-25 | 苏州千层茧农业科技有限公司 | The remove device of remains of pesticide, hormone in a kind of aquaculture object |
| CN109392809A (en) * | 2018-12-20 | 2019-03-01 | 巫溪县人川农业开发有限公司 | Fresh water salmon cultivation apparatus and cultural method |
| CN110267533A (en) * | 2017-02-14 | 2019-09-20 | 理查德·罗格索伊 | Case for fish culture |
| CN110558258A (en) * | 2019-10-09 | 2019-12-13 | 江苏省淡水水产研究所 | indoor temporary rearing device and temporary rearing method for fry initial feed red nematodes |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3842804A (en) * | 1972-06-05 | 1974-10-22 | Hill Ingman Chase & Co | Fish-rearing facility |
| CN2075422U (en) * | 1989-12-23 | 1991-04-24 | 林春恩 | Water quality improving device for cultivating tank |
| JPH0697930B2 (en) * | 1990-07-23 | 1994-12-07 | 和男 藤野 | Closed circulating water tank device for fish and shellfish breeding |
-
1994
- 1994-10-08 CN CN94111927A patent/CN1039078C/en not_active Expired - Fee Related
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|---|---|---|---|---|
| CN100338999C (en) * | 2003-12-14 | 2007-09-26 | 宋志乐 | Motion water roundabout type culture pond |
| CN100435629C (en) * | 2005-09-01 | 2008-11-26 | 牟秀元 | Biological feedstuff, fish, shrimp and crab seedling circular biological breeding apparatus |
| CN102177867A (en) * | 2011-02-24 | 2011-09-14 | 西南大学 | Efficient and economical indoor circulating aquaculture system |
| CN104663548A (en) * | 2015-03-10 | 2015-06-03 | 海南文昌利洋对虾繁育有限公司 | Breeding loop |
| CN104872048A (en) * | 2015-06-29 | 2015-09-02 | 宁德市鼎诚水产有限公司 | Pond fish water tank type intensive recirculating aquaculture mode |
| CN106719275A (en) * | 2016-12-26 | 2017-05-31 | 浙江大学 | A kind of efficient manure separator of pond circulation water system |
| CN110267533A (en) * | 2017-02-14 | 2019-09-20 | 理查德·罗格索伊 | Case for fish culture |
| CN109077010A (en) * | 2018-07-18 | 2018-12-25 | 苏州千层茧农业科技有限公司 | The remove device of remains of pesticide, hormone in a kind of aquaculture object |
| CN108935254A (en) * | 2018-07-18 | 2018-12-07 | 苏州千层茧农业科技有限公司 | The cultivation apparatus of degrading pesticide, hormone residues |
| CN108770787A (en) * | 2018-07-18 | 2018-11-09 | 苏州千层茧农业科技有限公司 | Impregnate the cultivation apparatus of removal pesticide, hormone residues |
| CN109077010B (en) * | 2018-07-18 | 2021-03-02 | 苏州千层茧农业科技有限公司 | Device for removing residual pesticide and hormone in aquaculture material |
| CN108935254B (en) * | 2018-07-18 | 2021-03-26 | 苏州千层茧农业科技有限公司 | Breeding device capable of degrading pesticide and hormone residues |
| CN109392809A (en) * | 2018-12-20 | 2019-03-01 | 巫溪县人川农业开发有限公司 | Fresh water salmon cultivation apparatus and cultural method |
| CN109392809B (en) * | 2018-12-20 | 2021-05-28 | 巫溪县人川农业开发有限公司 | Freshwater salmon culture device and culture method |
| CN110558258A (en) * | 2019-10-09 | 2019-12-13 | 江苏省淡水水产研究所 | indoor temporary rearing device and temporary rearing method for fry initial feed red nematodes |
| CN110558258B (en) * | 2019-10-09 | 2022-03-04 | 江苏省淡水水产研究所 | Indoor temporary rearing device and temporary rearing method for fry initial feed red nematodes |
| CN112189604A (en) * | 2020-11-09 | 2021-01-08 | 中国水产科学研究院淡水渔业研究中心 | Aquatic seedling quantity control system, method for controlling quantity of early-breeding shrimp seedlings and application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1039078C (en) | 1998-07-15 |
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