CN110859150A - Ecological jar is used in aquaculture show - Google Patents
Ecological jar is used in aquaculture show Download PDFInfo
- Publication number
- CN110859150A CN110859150A CN201911215090.5A CN201911215090A CN110859150A CN 110859150 A CN110859150 A CN 110859150A CN 201911215090 A CN201911215090 A CN 201911215090A CN 110859150 A CN110859150 A CN 110859150A
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- China
- Prior art keywords
- frame
- cylinder body
- ecological
- aquaculture
- cylinder
- 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
Links
- 238000009360 aquaculture Methods 0.000 title claims abstract description 21
- 244000144974 aquaculture Species 0.000 title claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000009826 distribution Methods 0.000 claims abstract description 19
- 239000010865 sewage Substances 0.000 claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 description 7
- 239000010802 sludge Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 241000251468 Actinopterygii Species 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000014102 seafood Nutrition 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
- A01K63/006—Accessories for aquaria or terraria
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/045—Filters for aquaria
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/10—Cleaning bottoms or walls of ponds or receptacles
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses an ecological cylinder for aquaculture display, and relates to the technical field of ecological cylinders. The invention comprises a cylinder body and a sewage collection tank, wherein a plate valve is arranged between the cylinder body and the sewage collection tank, two opposite side surfaces of the cylinder body are respectively provided with a clip groove, a cleaning frame is in sliding fit between the two clip grooves, vertically arranged filter frames are in rotating fit in the cleaning frame, a filter screen is fixed in each filter frame, the bottom end of each filter frame is provided with a hasp, each hasp can be lapped with the top end of the adjacent filter frame, the bottom of each cleaning frame is provided with a blocking part which can be lapped with the bottom end of the filter frame, the upper surface of the cylinder body is fixed with a door-shaped frame, and a flow distribution plate is in sliding fit in the door-shaped frame. According to the invention, the cylinder body can be divided into two sections by the splitter plate, so that normal culture of fry can be ensured while the ecological cylinder is cleaned, the time is saved, and the water resource is saved.
Description
Technical Field
The invention belongs to the technical field of ecological jars, and particularly relates to an ecological jar for aquaculture display.
Background
Aquaculture means to breed fish or various seafood in fish farm opened by manpower on shore for eating. Aquaculture is the production activity of breeding, cultivating and harvesting aquatic animals and plants under artificial control. In aquaculture show in-process, need use ecological jar, water in the ecological jar can form the thick silt of one deck in the bottom after using a period, contains a large amount of organic matters in the silt, can take place to decompose when the temperature is higher, and silt can consume the oxygen in the aquatic in a large number in the decomposition process, influences the growth and the reproduction of fry, in order to guarantee the normal growth of fry, then the silt in the ecological jar must regularly clear up comprehensively.
At present, in the process of cleaning the ecological tank, the fry in the tank needs to be transferred to another water body, then the interior of the ecological tank is cleaned, the fry is transferred back to the ecological tank after the cleaning is finished, and unnecessary time is wasted in the fry transferring process; and, traditional clearance mode is mostly, discharges the water in the jar earlier, handles the mud of cylinder body inner wall again, and at this in-process, the moisture in the jar is wasted, in abluent cylinder body inner wall, still need consume the water resource.
Disclosure of Invention
The invention aims to provide an ecological cylinder for aquaculture exhibition, which solves the problems of the background technology.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an ecological cylinder for aquaculture display, which comprises a cylinder body and a sewage collection tank, wherein a plate valve is arranged between the cylinder body and the sewage collection tank, two opposite side surfaces of the cylinder body are respectively provided with a clip channel, a cleaning frame is in sliding fit between the two clip channels, the cleaning frame is in rotational fit with vertically arranged filter frames, a filter screen is fixed in each filter frame, the bottom end of each filter frame is provided with a hasp, the hasps can be lapped with the top end of the adjacent filter frame, the bottom of each cleaning frame is provided with a blocking part which can be lapped with the bottom end of the filter frame, the upper surface of the cylinder body is fixed with a door-shaped frame, and the inside of the door-shaped frame is in sliding fit with a flow distribution plate; firstly, necessary equipment and structures are added into the ecological cylinder, such as: oxygen supply machine, feed feeding, water feeding, and the like, then water is introduced into the tank body, and then the fry for aquaculture is placed.
Further, when needs are cleared up in to ecological jar, slide at a channel of the top of returning the shape channel through the clearance frame earlier, drive fry to the other end that the cylinder body is fixed with the dirty case of collection, put down the flow distribution plate and divide into two water spaces with the cylinder body, then the clearance frame slides at a channel of the below of returning the shape channel, through the impurity of clearance frame clearance aquatic, then, through the motion of clearance frame for impurity, mud etc. in the aquatic discharge in the collection sewage case, close the plate valve.
Furthermore, a water inlet pipe is arranged on one side surface of the cylinder body and communicated with the inside of the cylinder body; realize regularly changing the water source through the inlet tube, avoid the quality of water decline in the ecological jar and influence the growth of fry.
Furthermore, one surface of the hasp is of an arc-shaped structure, and an arc surface matched with the hasp is arranged on the blocking part.
Furthermore, a drain pipe is arranged at the bottom end of the sewage collection box, and a valve is arranged on the drain pipe.
Further, a handle is fixed at the top end of the cleaning frame; the handle is convenient to control.
Furthermore, two opposite side surfaces of the cleaning frame are fixed with sliding blocks, and the peripheral side surfaces of the sliding blocks are in sliding fit with the inner wall of the square-shaped channel.
Furthermore, a cleaning blade is fixed on the bottom end face of the cleaning frame; the sludge and impurities at the bottom in the cylinder body are cleaned by the cleaning blade.
Furthermore, a limiting mechanism is arranged at the top end of the flow distribution plate, a limiting hole is formed in the inner top of the door-shaped frame, the limiting mechanism comprises a baffle plate, a limiting ring and a limiting block, the baffle plate and the limiting ring are fixedly connected with the top end face of the flow distribution plate, one end of the limiting block is fixedly connected with the baffle plate through a spring, the peripheral side face of the limiting block is in sliding fit with the inner wall of the limiting ring, and the other end of the limiting block can be in clamping fit with the limiting hole; through the cooperation of stop gear and spacing hole, the position of fixed flow distribution plate, the inside fry of the cylinder body of being convenient for shifts.
Furthermore, a sealing strip is fixed at the bottom end of the flow distribution plate; the top end of the splitter plate is provided with a handle which is convenient for controlling the position of the splitter plate.
The invention has the following beneficial effects:
according to the invention, the dirt collection box is used for collecting impurities such as sludge in the ecological cylinder, the dirt collection box is separated from the cylinder body through the plate valve, then dirt is discharged, sludge is removed independently or a small amount of water is carried, the water loss caused by sludge cleaning is reduced, and the water resource is saved; through the arrangement of the cleaning frame, the filter frame is matched with the cleaning frame, so that sludge on one side surface of the flow distribution plate of the cleaning frame reaches the other side of the cleaning frame while fish fries are driven, and then the cleaning blade is matched with the bottom of the cylinder body to remove sludge in the cylinder body; through being equipped with the flow distribution plate, divide into the silt water two, be convenient for get rid of the inside sediment of cylinder body and partial floater to reach the effect of clearance, do not need courage to shift aquatic products, practiced thrift the time.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an ecological tank for displaying aquaculture in accordance with the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a partial cross-sectional view of a cleaning frame;
FIG. 4 is a cross-sectional view of the gate frame;
in the drawings, the components represented by the respective reference numerals are listed below:
1-cylinder body, 2-dirt collection box, 3-plate valve, 4-clip channel, 5-cleaning frame, 6-filter frame, 7-blocking part, 8-door type frame, 9-water inlet pipe, 10-sewage discharge pipe, 11-hasp, 12-sliding block, 13-flow distribution plate, 14-limiting mechanism, 15-limiting hole, 16-baffle, 17-limiting ring, 18-limiting block, 19-cambered surface and 20-sealing strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the invention is an ecological cylinder for aquaculture exhibition, comprising a cylinder body 1 and a sewage collection tank 2, a plate valve 3 is arranged between the cylinder body 1 and the sewage collection tank 2, two opposite side surfaces of the cylinder body 1 are respectively provided with a clip channel 4, a cleaning frame 5 is arranged between the two clip channels 4 in a sliding fit manner, the cleaning frame 5 is rotationally matched with a vertically arranged filter frame 6, a filter screen is fixed in the filter frame 6, the bottom end of the filter frame 6 is provided with a hasp 11, the hasp 11 can be lapped with the top end of an adjacent filter frame 6, the bottom of the cleaning frame 5 is provided with a blocking part 7 which can be lapped with the bottom end of the filter frame 6, the upper surface of the cylinder body 1 is fixed with a door-shaped frame 8, and the interior of the door-shaped frame 8 is matched with a flow distribution plate 13 in a; firstly, necessary equipment and structures are added into the ecological cylinder, such as: oxygen supply machine, feed feeding, water feeding to the tank body 1, and fish fry for aquaculture.
Wherein, when needs are cleared up in to ecological jar, slide at a channel of the top of returning shape channel 4 through clearance frame 5 earlier, drive fry to the other end that cylinder body 1 is fixed with collection dirty case 2, put down flow distribution plate 13 and divide into two water spaces with cylinder body 1, then clearance frame 5 slides at a channel of the below of returning shape channel 4, through the impurity of clearance frame 5 clearance aquatic, then, through the motion of clearance frame 5 for impurity in the aquatic, mud etc. discharge into collection dirty case 2, close plate valve 3.
Wherein, a water inlet pipe 9 is arranged on one side surface of the cylinder body 1, and the water inlet pipe 9 is communicated with the inside of the cylinder body 1; realize regularly changing the water source through inlet tube 9, avoid the quality of water decline in the ecological jar and influence the growth of fry.
Wherein, the bottom of the sewage collection box 2 is provided with a sewage discharge pipe 10, and the sewage discharge pipe 10 is provided with a valve.
Wherein, a surface of the hasp 11 is an arc structure, and an arc surface 19 matched with the hasp 11 is arranged on the blocking part 7.
Wherein, the top end of the cleaning frame 5 is fixed with a handle; the handle is convenient to control.
Wherein, two opposite side surfaces of the cleaning frame 5 are both fixed with sliding blocks 12, and the peripheral side surfaces of the sliding blocks 12 are in sliding fit with the inner wall of the square-shaped channel 4.
Wherein, a cleaning blade is fixed on the bottom end surface of the cleaning frame 5; the sludge and impurities at the bottom in the cylinder body 1 are cleaned by the cleaning blade.
The top end of the flow distribution plate 13 is provided with a limiting mechanism 14, the inner top of the door-shaped frame 8 is provided with a limiting hole 15, the limiting mechanism 14 comprises a baffle 16, a limiting ring 17 and a limiting block 18, the baffle 16 and the limiting ring 17 are both fixedly connected with the top end face of the flow distribution plate 13, one end of the limiting block 18 is fixedly connected with the baffle 16 through a spring, the peripheral side face of the limiting block 18 is in sliding fit with the inner wall of the limiting ring 17, and the other end of the limiting block 18 can be in clamping fit with the limiting hole 15; through the cooperation of stop gear 14 and spacing hole 15, the position of fixed flow distribution plate 13, the fry of the inside cylinder body 1 of being convenient for shifts.
Wherein, the bottom end of the splitter plate 13 is fixed with a sealing strip 20; the top end of the splitter plate 13 is provided with a handle for controlling the position of the splitter plate 13.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides an ecological jar is used in aquaculture show, includes cylinder body (1) and collection dirt case (2), its characterized in that: be equipped with plate valve (3) between cylinder body (1) and collection dirt case (2), two opposite flank of cylinder body (1) have all been opened back shape channel (4), two it has clearance frame (5) to return sliding fit between shape channel (4), the filter frame (6) of the vertical range of clearance frame (5) internal rotation cooperation, filter frame (6) internal fixation has the filter screen, the bottom of filter frame (6) is equipped with hasp (11), hasp (11) can with the top overlap joint of an adjacent filter frame (6), the bottom of clearance frame (5) is provided with can with the lapped stopper portion (7) in bottom of filter frame (6), the last fixed surface of cylinder body (1) has door type frame (8), the inside sliding fit of door type frame (8) has flow distribution plate (13).
2. The ecological cylinder for aquaculture display of claim 1, characterized in that a water inlet pipe (9) is defined on one side of the cylinder body (1), and the water inlet pipe (9) is communicated with the interior of the cylinder body (1).
3. The ecological cylinder for aquaculture display as claimed in claim 1, wherein the bottom end of the sewage collection tank (2) is provided with a sewage discharge pipe (10), and the sewage discharge pipe (10) is provided with a valve.
4. The ecological cylinder for aquaculture display of claim 1, characterized in that one surface of the hasp (11) is of an arc structure, and the blocking part (7) is provided with an arc surface (19) matched with the hasp (11).
5. The ecological cylinder for aquaculture display of claim 1, wherein the two opposite side surfaces of the cleaning frame (5) are fixed with sliding blocks (12), and the peripheral side surfaces of the sliding blocks (12) are in sliding fit with the inner walls of the circular channels (4).
6. The ecological cylinder for aquaculture display of claim 1, wherein the bottom end surface of the cleaning frame (5) is fixed with a cleaning blade.
7. The ecological cylinder for aquaculture display according to claim 1, wherein a limiting mechanism (14) is arranged at the top end of the flow distribution plate (13), a limiting hole (15) is formed in the inner top of the door-shaped frame (8), the limiting mechanism (14) comprises a baffle plate (16), a limiting ring (17) and a limiting block (18), the baffle plate (16) and the limiting ring (17) are fixedly connected with the top end face of the flow distribution plate (13), one end of the limiting block (18) is fixedly connected with the baffle plate (16) through a spring, the peripheral side face of the limiting block (18) is in sliding fit with the inner wall of the limiting ring (17), and the other end of the limiting block (18) can be in clamping fit with the limiting hole (15).
8. The ecological cylinder for aquaculture display of claim 1, characterized in that the bottom end of the flow distribution plate (13) is fixed with a sealing strip (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911215090.5A CN110859150A (en) | 2019-12-02 | 2019-12-02 | Ecological jar is used in aquaculture show |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911215090.5A CN110859150A (en) | 2019-12-02 | 2019-12-02 | Ecological jar is used in aquaculture show |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110859150A true CN110859150A (en) | 2020-03-06 |
Family
ID=69657312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911215090.5A Pending CN110859150A (en) | 2019-12-02 | 2019-12-02 | Ecological jar is used in aquaculture show |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110859150A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112471065A (en) * | 2020-12-22 | 2021-03-12 | 浙江海洋大学 | Cleaning structure of ecological cylinder for aquaculture |
| CN112790141A (en) * | 2021-01-11 | 2021-05-14 | 重庆文理学院 | Indoor breeding equipment for carps without specific pathogens |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000246260A (en) * | 1999-03-01 | 2000-09-12 | Atsuo Iwata | Method and apparatus for controlling generation of minute alga which foul water |
| KR100808668B1 (en) * | 2007-11-29 | 2008-02-29 | 유귀식 | A glass fish bowl cleaner |
| CN106823547A (en) * | 2017-03-11 | 2017-06-13 | 江西省科学院 | A kind of sewage water filtration environmental protecting device |
| CN206995940U (en) * | 2017-04-19 | 2018-02-13 | 贵州中贵伟业环保工程有限公司 | A kind for the treatment of tank mud scum slag collection side removal device |
| CN207531692U (en) * | 2017-11-20 | 2018-06-26 | 天津海升水产养殖有限公司 | A kind of uniform aquaculture pond of feeding |
| CN109892274A (en) * | 2019-03-20 | 2019-06-18 | 盐城工业职业技术学院 | A kind of spot section shrimp aquaculture multifunctional ecological environment pond |
-
2019
- 2019-12-02 CN CN201911215090.5A patent/CN110859150A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000246260A (en) * | 1999-03-01 | 2000-09-12 | Atsuo Iwata | Method and apparatus for controlling generation of minute alga which foul water |
| KR100808668B1 (en) * | 2007-11-29 | 2008-02-29 | 유귀식 | A glass fish bowl cleaner |
| CN106823547A (en) * | 2017-03-11 | 2017-06-13 | 江西省科学院 | A kind of sewage water filtration environmental protecting device |
| CN206995940U (en) * | 2017-04-19 | 2018-02-13 | 贵州中贵伟业环保工程有限公司 | A kind for the treatment of tank mud scum slag collection side removal device |
| CN207531692U (en) * | 2017-11-20 | 2018-06-26 | 天津海升水产养殖有限公司 | A kind of uniform aquaculture pond of feeding |
| CN109892274A (en) * | 2019-03-20 | 2019-06-18 | 盐城工业职业技术学院 | A kind of spot section shrimp aquaculture multifunctional ecological environment pond |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112471065A (en) * | 2020-12-22 | 2021-03-12 | 浙江海洋大学 | Cleaning structure of ecological cylinder for aquaculture |
| CN112790141A (en) * | 2021-01-11 | 2021-05-14 | 重庆文理学院 | Indoor breeding equipment for carps without specific pathogens |
| CN112790141B (en) * | 2021-01-11 | 2022-10-21 | 重庆文理学院 | Indoor breeding equipment for carps without specific pathogens |
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Application publication date: 20200306 |