CN208692083U - A kind of novel aquaculture system - Google Patents

A kind of novel aquaculture system Download PDF

Info

Publication number
CN208692083U
CN208692083U CN201821406553.7U CN201821406553U CN208692083U CN 208692083 U CN208692083 U CN 208692083U CN 201821406553 U CN201821406553 U CN 201821406553U CN 208692083 U CN208692083 U CN 208692083U
Authority
CN
China
Prior art keywords
water
aquaculture
pond
area
zone
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.)
Expired - Fee Related
Application number
CN201821406553.7U
Other languages
Chinese (zh)
Inventor
区巧媚
Original Assignee
区巧媚
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 区巧媚 filed Critical 区巧媚
Priority to CN201821406553.7U priority Critical patent/CN208692083U/en
Application granted granted Critical
Publication of CN208692083U publication Critical patent/CN208692083U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

A kind of novel aquaculture system, including aquifer cultivation area, at least one piece of demarcation plate is installed in the aquifer cultivation area, aquifer cultivation differentiation is set as at least two water body Disengagement zone by demarcation plate, the one end of demarcation plate offers the communication port of connection adjacent two water body Disengagement zone, culture zone is wherein equipped in a water body Disengagement zone, return water water pump is equipped in another water body Disengagement zone, water body purification channel is constituted between culture zone and return water water pump, shellfish beds is disposed with along water body flow direction in water body purification channel, biochemical filtration pond and water plant area, return water water pump is connect by water return pipeline with culture zone, fish are all housed in culture zone by the cultivating system, fish can be finely divided according to kind or size, science fishing, aquifer cultivation area area outside culture zone is for purifying water, for main class institute of breeding fish It needs, avoids industrial aquaculture investment big, aquaculture cost is high.

Description

A kind of novel aquaculture system
Technical field
The utility model relates to aquaculture field, specifically a kind of novel aquaculture system.
Background technique
Under traditional pond free-ranging aquaculture model, administrative staff, by high-density breeding, improve and support to pursue high yield The water quality deterioration growing profit, therefore be easy to causeing generates various diseases, and administrative staff is caused to keep fish using a large amount of antibiotic Class health, but lead to severe water pollution, and the water body in fish pond must be drained in fishing, recruitment is more, time-consuming to take Power, but cultivated due to concentrating, relatively difficult to achieve to catch in batches, in addition traditional pond cultivation residual bait and excrement gather pool bottom, It will result in water quality deterioration from static capacity more than water body, general 1000 kilograms or so of every per mu yield will be done for every 2 to three years Not so pool dredging easily breaks out disease.
Therefore now operate aquaculture by batch production, industrial fish farming, which refers to use, builds, is electromechanical, is chemical, is automatic The subjects principles such as control are carried out water quality, water temperature, water flow, bait throwing in, blowdown etc. in production of breeding fish semi-automatic or full-automatic Management, maintains best physiology, the ecological environment of fish always, to reach health, fast-growth and improve unit to greatest extent Water body fish crop and quality, and a kind of inside and outside efficient breeding way polluted of cultivating system is not generated.Industrial aquaculture is not by certainly The influence of right environment, land occupation is few, and density is high, and yield per unit area is high, and water resources consumption is small, environmental pollution is small, but factory Changing cultivation, energy consumption is high, investment height, and cultivation equipment multiplicity is high to management requirement, and aquaculture pond is inside and outside since pressure is different, Therefore aquaculture pond must use firm material, and aquaculture cost is caused to improve, and in addition batch production is land cultivates the fish pond so that script It is idle, it results in waste of resources.
Utility model content
Utility model aims to solve above-mentioned existing problems, and it is new to provide a kind of one kind simple and reasonable for structure The aquaculture system of type, effect are aquaculture can be made to realize flowing water culture in fish pond, and can carry out certainly to water body Body purification.
A kind of novel aquaculture system, including aquifer cultivation area are equipped at least one piece in the aquifer cultivation area Aquifer cultivation differentiation is set as at least two water body Disengagement zone by demarcation plate, demarcation plate, and the one end of demarcation plate offers connection phase The communication port of adjacent two water body Disengagement zone is equipped with return water wherein being equipped with culture zone in a water body Disengagement zone in another water body Disengagement zone Water pump constitutes water body purification channel, successively sets in water body purification channel along water body flow direction between culture zone and return water water pump It is equipped with shellfish beds, biochemical filtration pond and water plant area, return water water pump is connect by water return pipeline with culture zone, this is supported It grows system and is all housed in fish in culture zone, fish can be finely divided according to kind or size, science fishing, cultivation Aquifer cultivation area area outside area is flowed by water circulation for purifying water, and so that master breeds fish needed for class, avoids batch production The problems such as cultivation investment is big, and aquaculture cost is high.
Dislocation type is equipped at least two pieces of demarcation plates in the aquifer cultivation area, demarcation plate by aquifer cultivation differentiation be set as to Few three water body Disengagement zone, multiple water body Disengagement zone are connected to by the communication port that dislocation type opens up.
The culture zone includes cultivation floating platform and several aquaculture ponds, cultivates and offers multiple installation aquaculture ponds in floating platform Installation space, return water water pump are connect by water return pipeline with multiple aquaculture ponds, and water return pipeline slant setting is in each aquaculture pond Top.
The aquaculture pond includes pond body, and the bottom of pond body is equipped with recessed taper bottom surface, and the central part of taper bottom surface connects There is lower discharge outlet, the upper side wall of pond body is connected with discharge outlet.
The culture zone includes multiple staple food aquaculture ponds and at least one filter-feeding aquaculture pond, under staple food aquaculture pond Discharge outlet is connected with sewage pipe, and the sewage draining exit of sewage pipe is inclined at the top of filter-feeding aquaculture pond, staple food aquaculture pond Upper discharge outlet is connected to aquifer cultivation area, and the lower discharge outlet and upper discharge outlet of filter-feeding aquaculture pond are connected to aquifer cultivation area.
Multiple shellfish culture casees are installed, the outer end face of shellfish culture case is equipped with filter, shellfish in the shellfish beds A plurality of suspension cord is installed in class box for breeding, multiple hairbrush class biochemical fillers are installed on every suspension cord.
The biochemical filtration pond includes the staggered overflow plate of muti-piece and overhead gage, will be given birth to by overflow plate and overhead gage Change filtering ponds and be separated into multiple filter chambers laterally side by side, two adjacent filter chambers pass through the upper end of overflow plate or overhead gage Lower end connection, the interior biologic packing material for being filled with unlike material of multiple filter chambers.
The aquifer cultivation area is connected to by the upper end of overflow plate or the lower end of overhead gage with biochemical filtration pond.
The area in the water plant area accounts for the 40%-60% of the gross area in aquifer cultivation area.
The water body purification channel is equipped with close to one end of culture zone pushes away water installations.
The beneficial effects of the utility model are:
A kind of novel aquaculture system of the utility model, structure is simple, and investment is small, and low energy consumption, convenient for management.This is supported It grows system and is all housed in fish in culture zone, fish can be finely divided according to kind or size, science fishing, cultivation Aquifer cultivation area area outside area is flowed by water circulation for purifying water, and so that master breeds fish needed for class, avoids batch production The problems such as cultivation investment is big, and aquaculture cost is high, feed is utilized by multi-stage biological, and water body cleaning, bring benefits height, fish culture In pond, facilitate observation, dosage is small, and fishing is convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram one of the utility model.
Fig. 2 is the structural schematic diagram two of the utility model.
Fig. 3 is the culture zone structural schematic diagram of the utility model.
Fig. 4 is the pond structure schematic diagram of the utility model.
Fig. 5 is shellfish beds's structural schematic diagram of the utility model.
Fig. 6 is the biochemical filtration pool structure schematic diagram of the utility model.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
First embodiment is as shown in Figure 1, a kind of novel aquaculture system, including aquifer cultivation area 1, the water body At least one piece of demarcation plate 2 is installed, aquifer cultivation area 1 is divided at least two water body Disengagement zone by demarcation plate 2 in culture zone 1 101, the one end of demarcation plate 2 offers the communication port 3 of connection adjacent two water body Disengagement zone 101, wherein a water body Disengagement zone 101 It is interior to be equipped with culture zone 4, it is equipped with return water water pump 5 in another water body Disengagement zone 101, constitutes water body between culture zone 4 and return water water pump 5 Purification channel is disposed with shellfish beds 6, biochemical filtration pond 7 and water along water body flow direction in water body purification channel Plant area 8, return water water pump 5 are connect by water return pipeline 9 with culture zone 4, which is all housed in fish cultivation In area, fish can be finely divided according to kind or size, science fishing, 1 area of aquifer cultivation area outside culture zone 4 passes through Water circulation is flowed for purifying water, and so that master breeds fish needed for class, avoids industrial aquaculture investment big, aquaculture cost height etc. is asked Topic, feed are utilized by multi-stage biological, and water body cleaning, bring benefits height, and fish culture facilitates observation in pond, and dosage is small, Fishing is convenient.
Compared with industrial aquaculture and container aquaculture model, it is not take up soil on the bank, does not have to factory building, is followed with pond Circulating water aquaculture model is wanted to compare, and aquaculture pond design is more reasonable, and bottom is cut in residual bait and excrement removing, is rationally recycled, and reduces mechanical Filter plant, oxygenation are reduced, and 5 lift of return water water pump is low, and energy consumption is small, and overall cost is low, compared with fish and vegetable symbiotic aquaculture model, together Yield per unit area increases considerably, and management is simple, and fishing is convenient in batches does not influence fish in pond.
Second embodiment is as shown in Fig. 2, be different from the first embodiment, dislocation type in the aquifer cultivation area 1 At least two pieces of demarcation plates 2 are installed, aquifer cultivation area 1 is divided at least three water body Disengagement zone 101, Duo Geshui by demarcation plate 2 Body Disengagement zone 101 is connected to by the communication port 3 that dislocation type opens up, and cultivating system front-end driven water flow is flowed along water body purification channel It is dynamic, in conjunction with the both ends open formula demarcation plate 2 built among aquifer cultivation area 1, make the water body flow distance in entire aquifer cultivation area 1 Increase, so that water flow is successively passed through multiple filtration system in a smaller space, achieve the effect that flowing water culture and purification.
As shown in Figures 3 to 6, the culture zone 4 includes cultivation floating platform 10 and several aquaculture ponds 11, is cultivated in floating platform 10 The installation space 1001 of multiple installation aquaculture ponds 11 is offered, return water water pump 5 is connected by water return pipeline 9 and multiple aquaculture ponds 11 It connects, 9 slant setting of water return pipeline is in the top of each aquaculture pond 11;Aquaculture pond 11 4 are optimum implementation for one group, are supported Grow pond 11 with circle be it is excellent, can also with square fillet or octagonal pond, cultivate floating platform 10 and aquaculture pond 11 can in factory with Standardization manufacture, with short production cycle, in-site installation, cultivation floating platform 10 are made into skeleton with metal material, divide into foam or plastic barrel It is made into float, aquaculture pond 11 is installed on floating platform, and since the external and internal pressure of aquaculture pond 11 is identical, 11 material of aquaculture pond is only needed Frivolous waterproof cloth or metal material production, can reduce the production cost of aquaculture pond 11, the water outlet of water return pipeline 9 is with corner cut Direction enters aquaculture pond 11, provides kinetic energy for water rotation in aquaculture pond 11, the water rotation of aquaculture pond 11 can be residual bait and excrement collection In under 11 central bottom of aquaculture pond discharge outlet 1103.
The aquaculture pond includes pond body 1101, and the bottom of pond body 1101 is equipped with recessed taper bottom surface 1102, taper bottom surface 1102 central part is connected with lower discharge outlet 1103, and the upper side wall of pond body 1101 is connected with discharge outlet 1104, upper discharge outlet 1104 can be discharged to the floating residual bait rubbish on 11 pond face of aquaculture pond in aquifer cultivation area 1, be flowed along water body purification channel Dynamic purification, after residual bait and excrement are concentrated on the lower discharge outlet 1103 of 11 central bottom of aquaculture pond by the water rotation of aquaculture pond 11, side Just it concentrates and drains residual bait and excrement.
The culture zone 4 includes multiple staple food aquaculture pond 11a and at least one filter-feeding aquaculture pond 11b, and staple food is supported The lower discharge outlet 1103 for growing pond 11a is connected with sewage pipe 1105, and the sewage draining exit 1106 of sewage pipe 1105 is inclined at filter-feeding The upper discharge outlet 1104 of the top of aquaculture pond 11b, staple food aquaculture pond 11a is connected to aquifer cultivation area 1, filter-feeding aquaculture pond The lower discharge outlet 1103 and upper discharge outlet 1104 of 11b is connected to aquifer cultivation area 1.
The staple food fish of multiple staple food aquaculture pond 11a cultivation, using feeding feed breeding way, staple food aquaculture pond The upper discharge outlet of 11a connects water body outside culture zone, and lower discharge outlet is connected filter-feeding aquaculture pond 11b, will be led by sewage pipe 1105 The sewage inclination of food class aquaculture pond 11a is discharged to filter-feeding aquaculture pond 11b, provides kinetic energy for water rotation in filter-feeding aquaculture pond 11b, The fish of filter-feeding aquaculture pond 11b are food with the piscivorous residual bait of staple food aquaculture pond 11a master and excrement, to improve the benefit of feed With rate, the water body of filter-feeding aquaculture pond 11b is discharged to the outer water body in culture zone 4.
Multiple shellfish culture casees 601 are installed, the outer end face of shellfish culture case 601 is equipped in the shellfish beds 6 Filter 602 is equipped with a plurality of suspension cord 603 in shellfish culture case 601, is equipped with multiple hairbrush on every suspension cord 603 Class biochemical filler 604;Filter-feeding aquaculture pond 11b is drained to water body outside culture zone.4 tail portion of culture zone and 11 periphery of aquaculture pond with Suspending way cultivated shellfish, to cross residual bait and excrement in drainage, the shellfish culture case 601 of the structure solves traditional shellfish culture It is to put in a suitable place to breed or hang in water, the shellfish only activity in pond bottom or hanging bag is sticked to pool side or bottom of pond absorption water by shellfish Intracorporal food, this shellfish culture case 601 can make shellfish be covered with the entire flowing water section in water body purification channel, improve shellfish to residual The absorption of bait and excrement improves clean-up effect, and collection shellfish is facilitated to be sold, and the shellfish sold can be improved raiser Income.
Filter-feeding fish and shellfish can effectively remove the particulate matter in breeding water body.
The biochemical filtration pond 7 includes the staggered overflow plate 701 of muti-piece and overhead gage 702, passes through 701 He of overflow plate Biochemical filtration pond 7 is separated into multiple filter chambers 703 laterally side by side by overhead gage 702, and two adjacent filter chambers 703 pass through overflow The upper end of plate 701 or the lower end connection of overhead gage 702, the interior biologic packing material for being filled with unlike material of multiple filter chambers 703 704, so that water flow is successively purified by multiple filter chambers 703,.
Interior filtrate adheres to for nitrobacteria, provides the space of good growth and breeding to nitrobacteria, its decomposition is allowed to have Harmful ammonia salt and nitrite, removes the nuisance in these water.
The aquifer cultivation area 1 is by passing through the upper end of overflow plate 701 or the lower end of overhead gage 702 and biochemical filtration pond 7 connections.
The area in the water plant area 8 accounts for the 40%-60% of the gross area in aquifer cultivation area 1;Water plant is using too Positive photosynthesis manufactures oxygen, and oxygenation requirement is small, and operation power charge is small, can effectively absorb the nitrogen, phosphorus of solubilised state in breeding wastewater Pollutant, and it is translated into economic product, raiser's income is improved, shellfish beds 6 and the use pair of biochemical filtration pond 7 are cooperated Organic matter removal efficiency improves in breeding wastewater.
Compound bio filtration treatment cultivates recycling technology by having complementary advantages, and can reach purification of water quality and the comprehensive benefit of waste The shortcomings that purpose improves the removal efficiency of ammonia nitrogen and organic matter in aquiculture waste water, makes up each biofilter, maximum limit Degree ground converts the bait of input coefficient to environmental-friendly aquatic products, can generate certain economic benefit and ecological benefits, be It cultivates recirculated water and fresh oxygen is provided, reduce energy consumption, reduce production cost, accomplish real aquaculture wastewater zero-emission.
The water body purification channel is equipped with close to one end of culture zone 4 pushes away water installations 12;Pushing away water installations 12 can control Water body purification in-channel water body flowing velocity will cause consumption fish body although water flow is avoided suddenly to be easy to remove residual bait and excrement Can, water flow causes residual bait and excrement to remove slowly and does not cut bottom.
It should be noted that giving the preferable implementation of the utility model in the specification and its attached drawing of the utility model Example, still, the utility model can be realized by many different forms, however it is not limited to which this specification is described to be implemented Example, not as the additional limitation to the content of the present invention, purpose of providing these embodiments is makes to this reality these embodiments Understanding with novel disclosure is more thorough and comprehensive.Also, above-mentioned each technical characteristic continues to be combined with each other, and is formed not upper The various embodiments that face is enumerated are accordingly to be regarded as the range of the utility model specification record;Further, to ordinary skill For personnel, it can be modified or changed according to the above description, and all to should belong to this practical new for all these modifications and variations The protection scope of type appended claims.

Claims (10)

1. a kind of novel aquaculture system, including aquifer cultivation area (1), it is characterised in that: in the aquifer cultivation area (1) At least one piece of demarcation plate (2), demarcation plate (2) are installed, aquifer cultivation area (1) is divided at least two water body Disengagement zone (101), the one end of demarcation plate (2) offers the communication port (3) of connection adjacent two water body Disengagement zone (101), wherein a water body Culture zone (4) are equipped in Disengagement zone (101), are equipped with return water water pump (5) in another water body Disengagement zone (101), culture zone (4) and are returned Water body purification channel is constituted between water water pump (5), is disposed with shellfish culture along water body flow direction in water body purification channel Area (6), biochemical filtration pond (7) and water plant area (8), return water water pump (5) are connected by water return pipeline (9) and culture zone (4) It connects.
2. a kind of novel aquaculture system according to claim 1, it is characterised in that: in the aquifer cultivation area (1) Dislocation type is equipped at least two pieces of demarcation plates (2), and aquifer cultivation area (1) is divided at least three water bodys and separated by demarcation plate (2) Area (101), communication port (3) connection that multiple water body Disengagement zone (101) are opened up by dislocation type.
3. a kind of novel aquaculture system according to claim 1, it is characterised in that: the culture zone (4) includes supporting Floating platform (10) and several aquaculture ponds (11) are grown, the installation space of multiple installations aquaculture pond (11) is offered in cultivation floating platform (10) (1001), return water water pump (5) is connect by water return pipeline (9) with multiple aquaculture ponds (11), and water return pipeline (9) slant setting is every The top of a aquaculture pond (11).
4. a kind of novel aquaculture system according to claim 3, it is characterised in that: the aquaculture pond includes pond body (1101), the bottom of pond body (1101) is equipped with recessed taper bottom surface (1102), and the central part of taper bottom surface (1102) is connected with Lower discharge outlet (1103), the upper side wall of pond body (1101) are connected with discharge outlet (1104).
5. according to claim 1 or the novel aquaculture system of 4 described one kind, it is characterised in that: the culture zone (4) includes Multiple staple food aquaculture ponds (11a) and at least one filter-feeding aquaculture pond (11b), the lower discharge outlet of staple food aquaculture pond (11a) (1103) it is connected with sewage pipe (1105), the sewage draining exit (1106) of sewage pipe (1105) is inclined at filter-feeding aquaculture pond The upper discharge outlet (1104) of the top of (11b), staple food aquaculture pond (11a) is connected to aquifer cultivation area (1), filter-feeding aquaculture pond The lower discharge outlet (1103) and upper discharge outlet (1104) of (11b) are connected to aquifer cultivation area (1).
6. a kind of novel aquaculture system according to claim 1, it is characterised in that: in the shellfish beds (6) Multiple shellfish culture casees (601) are installed, the outer end face of shellfish culture case (601) is equipped with filter (602), shellfish culture case (601) it is equipped with a plurality of suspension cord (603) in, multiple hairbrush class biochemical fillers is installed on every suspension cord (603) (604)。
7. a kind of novel aquaculture system according to claim 1, it is characterised in that: biochemical filtration pond (7) packet The staggered overflow plate of muti-piece (701) and overhead gage (702) are included, by overflow plate (701) and overhead gage (702) by biochemical mistake Filter tank (7) is separated into multiple filter chambers (703) laterally side by side, and adjacent two filter chambers (703) are upper by overflow plate (701) End or the connection of the lower end of overhead gage (702), the interior biologic packing material (704) for being filled with unlike material of multiple filter chambers (703).
8. a kind of novel aquaculture system according to claim 7, it is characterised in that: the aquifer cultivation area (1) is logical The lower end of the upper end or overhead gage (702) of crossing overflow plate (701) is connected to biochemical filtration pond (7).
9. a kind of novel aquaculture system according to claim 1, it is characterised in that: the water plant area (8) Area accounts for the 40%-60% of the gross area in aquifer cultivation area (1).
10. a kind of novel aquaculture system according to claim 1, it is characterised in that: the water body purification channel is leaned on One end of nearly culture zone (4), which is equipped with, pushes away water installations (12).
CN201821406553.7U 2018-08-29 2018-08-29 A kind of novel aquaculture system Expired - Fee Related CN208692083U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821406553.7U CN208692083U (en) 2018-08-29 2018-08-29 A kind of novel aquaculture system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821406553.7U CN208692083U (en) 2018-08-29 2018-08-29 A kind of novel aquaculture system

Publications (1)

Publication Number Publication Date
CN208692083U true CN208692083U (en) 2019-04-05

Family

ID=65945405

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821406553.7U Expired - Fee Related CN208692083U (en) 2018-08-29 2018-08-29 A kind of novel aquaculture system

Country Status (1)

Country Link
CN (1) CN208692083U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110050744A (en) * 2019-05-16 2019-07-26 杭州市农业科学研究院 A kind of shrimp high-density cultivation purification system
CN110818204A (en) * 2019-12-01 2020-02-21 湖南文理学院 Water body restoration system for aquaculture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110050744A (en) * 2019-05-16 2019-07-26 杭州市农业科学研究院 A kind of shrimp high-density cultivation purification system
CN110818204A (en) * 2019-12-01 2020-02-21 湖南文理学院 Water body restoration system for aquaculture

Similar Documents

Publication Publication Date Title
CN104094885B (en) A kind of high-efficiency low-carbon culture of Penaeus vannamei system
CN205596919U (en) Gather formula inner loop equipment of breeding fish
CN104430125B (en) A kind of high-efficiency aquaculture system and method
CN208692083U (en) A kind of novel aquaculture system
CN104206331B (en) Ecology fish farming facility and technique thereof
CN109984078B (en) Intensive pond internal circulation aquaculture system
CN106630385A (en) Culture tail water recycling aquatic rice farming method
CN107889781A (en) A kind of crawl and fish-cultivating method
CN108439711A (en) A kind of marine culture waste water integrated treatment purification system and method
CN108450388A (en) A kind of ecological agriculture cultivation apparatus
CN111279967A (en) South america white shrimp engineering seawater circulation farming systems
CN204157472U (en) A kind of ecology fish farming facility
CN111406685A (en) Shrimp plant
CN110741998A (en) Novel pond industrialized circulating water ecological breeding system
CN206879842U (en) The aquaculture pond of energy-conserving and environment-protective
CN207083882U (en) A kind of fish stable breeding sewage solid content separator
CN207040576U (en) Fish culture drip irrigation integral system
CN212520465U (en) Circulating water fishery aquaculture system
CN109479807A (en) It is a kind of to be breeded fish the storing tank of water using container
CN210492207U (en) Ecological efficient circulating flow water fish culture system
CN205018088U (en) Circulation farming systems of ecological environmental protection
CN211657189U (en) Ecological breeding pond for soft-shelled turtles
CN214758650U (en) High-density aquatic ecological breeding system
CN107751081A (en) Aquaculture pond with self-purification function
CN106922592A (en) A kind of centralization type interior circulation fish-culture equipment and fish-cultivating method

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190405

Termination date: 20200829