CN114982700B - Fish culture shelter - Google Patents
Fish culture shelter Download PDFInfo
- Publication number
- CN114982700B CN114982700B CN202210812572.4A CN202210812572A CN114982700B CN 114982700 B CN114982700 B CN 114982700B CN 202210812572 A CN202210812572 A CN 202210812572A CN 114982700 B CN114982700 B CN 114982700B
- Authority
- CN
- China
- Prior art keywords
- nozzle
- water injection
- cabin body
- water
- fish
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 107
- 238000002347 injection Methods 0.000 claims abstract description 54
- 239000007924 injection Substances 0.000 claims abstract description 54
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 38
- 239000001301 oxygen Substances 0.000 claims abstract description 38
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 35
- 241000251468 Actinopterygii Species 0.000 claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims description 20
- 238000009372 pisciculture Methods 0.000 claims description 10
- 239000010865 sewage Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 108010066057 cabin-1 Proteins 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 210000002700 urine Anatomy 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
- A01K63/04—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
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
-
- 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
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)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention discloses a fish culture shelter, which relates to the technical field of culture equipment and comprises a cabin body, wherein the bottom of the cabin body is provided with an oxygen inlet device, the cabin body is provided with a water injection device and a water discharge device, the water injection device comprises a water injection pipe and water injection nozzles, the water injection pipe is arranged on the outer side wall of the cabin body along the height direction of the cabin body, the water injection pipe is provided with a plurality of water injection nozzles, and each water injection nozzle penetrates through the cabin body and extends into the cabin body. The fish culture shelter provided by the invention can well control water quality and dissolved oxygen, ensure a suitable living environment for fish and save water resources.
Description
Technical Field
The invention relates to the technical field of culture equipment, in particular to a fish culture shelter.
Background
The existing fish culture usually adopts ponds for culture, generally cement culture ponds, which are large in culture pond size, long in construction period, high in cost and high in maintenance and repair cost. In order to create a suitable living environment for fishes, the water quality, dissolved oxygen and the like of water in a culture pond need to be controlled, the circulation of culture water cannot be realized in the conventional pond culture, the dissolved oxygen in the water is less easily caused, and in addition, the water in the pond needs to be replaced regularly, so that the water is replaced frequently, and a large amount of water resources are wasted.
Disclosure of Invention
The invention aims to provide a fish culture shelter, which solves the problems in the prior art, can well control water quality and dissolved oxygen, ensures a suitable living environment for fish and saves water resources.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a fish culture shelter which comprises a shelter body, wherein an oxygen inlet device is arranged at the bottom of the shelter body, a water injection device and a water discharge device are arranged on the shelter body, the water injection device comprises a water injection pipe and water injection nozzles, the water injection pipe is arranged on the outer side wall of the shelter body along the height direction of the shelter body, the water injection pipe is provided with a plurality of water injection nozzles, and each water injection nozzle penetrates through the shelter body and extends into the shelter body.
Preferably, the bottom surface of the cabin body is inclined downwards from the periphery to the center, and the center of the bottom surface of the cabin body is provided with a sewage discharge outlet.
Preferably, the cabin body is a square cabin, four corners of the side surface of the square cabin are provided with chamfers, and the outer side of each chamfer is provided with one water injection pipe.
Preferably, the drainage device comprises gates arranged on two side walls of the cabin.
Preferably, the top of the other two side walls of the cabin body is respectively provided with a supporting plate, and two ends of each supporting plate are respectively provided with a lifting ring.
Preferably, the water injection nozzle includes nozzle base, nozzle turn round and nozzle joint, the inside cavity of nozzle base, the nozzle joint set up in on the nozzle base and communicate the water injection pipe with inside the nozzle base, the nozzle turn round rotate to be connected the outer peripheral face of nozzle base, be equipped with the base delivery port on the nozzle base outer peripheral face, the inside cavity of nozzle turn round, the nozzle turn round with be equipped with the intercommunication in the relative one side of nozzle base outer peripheral face the base delivery port with the inside turn round water inlet of nozzle turn round, the nozzle turn round with the relative one end of turn round water inlet be equipped with the spray pipe of the inside intercommunication of nozzle turn round.
Preferably, be equipped with the inside sunken toper recess on the nozzle base outer peripheral face, the notch diameter of toper recess is less than the tank bottom diameter, be equipped with the spheroid in the toper recess, the spheroid with be equipped with the spring between the tank bottom of toper recess, the nozzle turn round with be equipped with on the relative one side of nozzle base outer peripheral face with a plurality of location pits of spheroid matched with, when rotating the nozzle turn round makes the spheroid aims at one when the location pit, under the spring action, the spheroid can partly bulge in nozzle base outer peripheral face and joint in the location pit.
Preferably, the oxygen inlet device comprises a plurality of oxygen inlet nozzles, the plurality of oxygen inlet nozzles are arranged on the bottom surface of the cabin body along the diagonal line of the bottom surface of the cabin body, and each oxygen inlet nozzle is connected with an oxygen inlet pipeline.
Preferably, the inclination angle of the bottom surface of the cabin body is 5-10 degrees.
Compared with the prior art, the invention has the following technical effects:
the invention provides a fish culture shelter, which injects oxygen into a shelter body through an oxygen inlet device, can provide oxygen into the shelter body, ensures the dissolved oxygen content of water in the shelter, can inject water into the shelter body through a water injection nozzle, enables the water to be in a flowing state, and can drain water through a drainage device, thereby ensuring the water quality in the shelter body, ensuring the proper living environment of fish, avoiding frequently replacing culture water in the shelter body, and saving water resources.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described 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 to obtain other drawings without creative efforts.
FIG. 1 is a schematic perspective view of a fish-farming shelter according to the present invention;
FIG. 2 is a schematic view of another perspective view of a fish-farming shelter according to the present invention;
FIG. 3 is a schematic top view of a fish-farming shelter according to the present invention;
FIG. 4 is a schematic perspective view of a water injection nozzle in a fish-farming shelter according to the present invention;
FIG. 5 is a schematic sectional view of the water injection nozzle of FIG. 4;
in the figure: 100-fish culture shelter, 1-shelter body, 2-oxygen inlet device, 21-oxygen inlet nozzle, 22-oxygen inlet pipeline, 3-water injection device, 31-water injection pipe, 32-water injection nozzle, 321-nozzle base, 322-nozzle rotary head, 323-nozzle joint, 324-base water outlet, 325-rotary head water inlet, 326-water spray pipe, 327-conical groove, 328-sphere, 329-spring, 330-positioning pit, 4-water discharge device, 41-gate, 5-sewage outlet, 6-chamfer angle, 7-support plate and 8-hoisting ring.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The invention aims to provide a fish culture shelter, which solves the problems in the prior art, can well control water quality and dissolved oxygen, ensures a suitable living environment for fish and saves water resources.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof.
As shown in fig. 1 to 5, the present embodiment provides a fish culture shelter 100, which includes a shelter body 1, an oxygen inlet device 2 is disposed at the bottom of the shelter body 1, a water injection device 3 and a water discharge device 4 are disposed on the shelter body 1, the water injection device 3 includes a water injection pipe 31 and water injection nozzles 32, the water injection pipe 31 is disposed on the outer side wall of the shelter body 1 along the height direction of the shelter body 1, the water injection pipe 31 is provided with a plurality of water injection nozzles 32, and each water injection nozzle 32 penetrates through the shelter body 1 and extends into the shelter body 1.
During the use, in injecting the cabin body 1 with oxygen through advancing oxygen device 2, to providing oxygen in the cabin body 1, guaranteeing the dissolved oxygen volume of under-deck water, through water injection nozzle 32 to the internal water injection of cabin body 1, make water be in the mobile state to can discharge through drainage device 4, thereby guaranteed the quality of water in the cabin body 1, for fish provide suitable living environment, moreover, need not change the interior breed water of the cabin body 1 frequently, practiced thrift the water resource.
In this embodiment, the bottom surface of the cabin body 1 is inclined downwards from the periphery to the center, and the center of the bottom surface of the cabin body 1 is provided with a sewage outlet 5, so that residual bait and excrement can be easily discharged into the bottom and discharged from the sewage outlet 5 in the center of the bottom. Wherein, be equipped with the filter screen in blowdown export 5, the filter screen can allow incomplete bait excrement and urine to pass through, does not allow the fish to pass through.
In the embodiment, the cabin body 1 is a square cabin, four corners of the side surface of the square cabin are respectively provided with a chamfer 6, the outer side of each chamfer 6 is provided with a water injection pipe 31, water is injected into the cabin body 1 through each water injection nozzle 32 on each water injection pipe 31, the fluidity of water is improved, and the water quality is favorably maintained; and the cultivation square cabins are convenient to arrange during cultivation, so that the cultivation space is saved.
In this embodiment, the drainage device 4 includes gates 41 disposed on both side walls of the cabin 1, and the drainage operation is performed by opening or closing the drainage port of the cabin 1 by raising or lowering the gates 41.
In this embodiment, the top of 1 other both sides wall of cabin body respectively is equipped with a backup pad 7, and each backup pad 7 both ends all are equipped with rings 8, conveniently transports.
In this embodiment, the water injection nozzle 32 includes a nozzle base 321, a nozzle swivel 322 and a nozzle joint 323, the nozzle base 321 is hollow, the nozzle joint 323 is disposed on the nozzle base 321 and communicates with the water injection pipe 31 and the inside of the nozzle base 321, the nozzle swivel 322 is rotatably connected to the outer peripheral surface of the nozzle base 321, a base water outlet 324 is disposed on the outer peripheral surface of the nozzle base 321, the nozzle swivel 322 is hollow, a swivel water inlet 325 communicating the base water outlet 324 and the inside of the nozzle swivel 322 is disposed on the surface of the nozzle swivel 322 opposite to the outer peripheral surface of the nozzle base 321, and a water injection pipe 326 communicating the inside of the nozzle swivel 322 is disposed at one end of the nozzle swivel 322 opposite to the swivel water inlet 325. The angle of the water spray pipe 326 can be adjusted by rotating the nozzle rotor 322 to control the flow pattern of the water in the shelter to adapt to the growth of the fish. Wherein, the nozzle turns to 322 and nozzle base 321 sealing mode adopts conventional sealing strip to seal can, can set up the round sealing strip around the nozzle turns to 322 and the relative one side of nozzle base 321 peripheral face, and the sealing strip encircles the water inlet 325 that turns to and sets up, and, when rotating nozzle turns to 322, the sealing strip encircles base delivery port 324 all the time to can guarantee nozzle turns to 322 and nozzle base 321 peripheral face constantly and keep sealed.
In this embodiment, an inwardly recessed conical groove 327 is formed in the outer peripheral surface of the nozzle base 321, a diameter of a notch of the conical groove 327 is smaller than a diameter of a bottom of the conical groove 327, a sphere 328 is disposed in the conical groove 327, a spring 329 is disposed between the sphere 328 and the bottom of the conical groove 327, a plurality of positioning recesses 330 matched with the sphere 328 are disposed on a surface of the nozzle swivel 322 opposite to the outer peripheral surface of the nozzle base 321, when the nozzle swivel 322 is rotated to align the sphere 328 with one positioning recess 330, the sphere 328 can partially protrude out of the outer peripheral surface of the nozzle base 321 and be clamped in the positioning recesses 330 under the action of the spring 329, so as to position a water spraying angle of the water spraying pipe 326, and when other water spraying angles are required, the nozzle swivel 322 can clamp the sphere 328 in the other positioning recesses 330.
In this embodiment, the oxygen inlet device 2 comprises a plurality of oxygen inlet nozzles 21, the plurality of oxygen inlet nozzles 21 are arranged on the bottom surface of the cabin body 1 along the diagonal line of the bottom surface of the cabin body 1, and each oxygen inlet nozzle 21 is connected with the oxygen inlet pipeline 22, so that oxygen can be more uniformly provided for the water body, and the dissolved oxygen is more uniformly ensured.
In the embodiment, the inclination angle of the bottom surface of the cabin body 1 is 5-10 degrees, preferably 10 degrees, which is beneficial for the residual bait and excrement to move to the sewage discharge outlet 5 and be discharged.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the foregoing, the description is not to be taken in a limiting sense.
Claims (7)
1. A fish culture shelter is characterized in that: the oxygen-enriched water injection device comprises a cabin body, wherein the bottom of the cabin body is provided with an oxygen inlet device, the cabin body is provided with a water injection device and a water drainage device, the water injection device comprises a water injection pipe and water injection nozzles, the water injection pipe is arranged on the outer side wall of the cabin body along the height direction of the cabin body, the water injection pipe is provided with a plurality of water injection nozzles, and each water injection nozzle penetrates through the cabin body and extends into the cabin body; the water injection nozzle comprises a nozzle base, a nozzle rotary head and a nozzle joint, wherein the nozzle base is hollow, the nozzle joint is arranged on the nozzle base and communicated with the water injection pipe and the inside of the nozzle base, the nozzle rotary head is rotatably connected to the peripheral surface of the nozzle base, a base water outlet is arranged on the peripheral surface of the nozzle base, the nozzle rotary head is hollow, a rotary head water inlet communicated with the base water outlet and the inside of the nozzle rotary head is arranged on one surface of the nozzle rotary head opposite to the peripheral surface of the nozzle base, and a water injection pipe communicated with the inside of the nozzle rotary head is arranged at one end of the nozzle rotary head opposite to the rotary head water inlet; be equipped with inside sunken toper recess on the nozzle base outer peripheral face, the notch diameter of toper recess is less than the tank bottom diameter, be equipped with the spheroid in the toper recess, the spheroid with be equipped with the spring between the tank bottom of toper recess, the nozzle turn round with be equipped with on the relative one side of nozzle base outer peripheral face with a plurality of location pits of spheroid matched with, when rotating the nozzle turn round makes the spheroid aims at one during the location pit, under the spring action, the spheroid can partly bulge in nozzle base outer peripheral face and joint in the location pit.
2. The fish-farming shelter of claim 1, wherein: the cabin body bottom surface is arranged from the periphery to the center in an inclined and downward mode, and a sewage discharge outlet is formed in the center of the cabin body bottom surface.
3. The fish-farming shelter of claim 1, wherein: the cabin body is square cabin, four edges of the side of the square cabin are provided with chamfers, and the outer side of each chamfer is provided with one water injection pipe.
4. The fish-farming shelter of claim 1, wherein: the drainage device comprises gates arranged on two side walls of the cabin body.
5. The fish-farming shelter of claim 4, wherein: the top of the other two side walls of the cabin body is respectively provided with a supporting plate, and two ends of each supporting plate are respectively provided with a lifting ring.
6. The fish-farming shelter of claim 3, wherein: the oxygen inlet device comprises a plurality of oxygen inlet nozzles, the plurality of oxygen inlet nozzles are arranged on the bottom surface of the cabin body along the diagonal line of the bottom surface of the cabin body, and each oxygen inlet nozzle is connected with an oxygen inlet pipeline.
7. The fish-farming shelter of claim 2, wherein: the inclination angle of the bottom surface of the cabin body is 5-10 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210812572.4A CN114982700B (en) | 2022-07-11 | 2022-07-11 | Fish culture shelter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210812572.4A CN114982700B (en) | 2022-07-11 | 2022-07-11 | Fish culture shelter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114982700A CN114982700A (en) | 2022-09-02 |
| CN114982700B true CN114982700B (en) | 2023-04-04 |
Family
ID=83019810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210812572.4A Active CN114982700B (en) | 2022-07-11 | 2022-07-11 | Fish culture shelter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114982700B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6398038B1 (en) * | 2000-11-07 | 2002-06-04 | Manuel J. Fontes | Filtration system utilizing a vortex mechanical power filter |
| CN2805360Y (en) * | 2005-08-17 | 2006-08-16 | 王奇欣 | Energy-saving closed circulating pollution-discharge jet flow aeration breeding apparatus |
| CN203058107U (en) * | 2013-01-04 | 2013-07-17 | 杭州明朗农业开发有限公司 | Environment-friendly energy-saving three-dimensional ecological oxygen increasing device |
| CN208708495U (en) * | 2018-08-08 | 2019-04-09 | 海南热带海洋学院 | A kind of small-sized culture of ornamental fish pond |
| CN110432220B (en) * | 2019-08-06 | 2021-06-25 | 塔里木大学 | Schizothorax fish culture oxygenation equipment |
| CN110786285B (en) * | 2019-10-08 | 2022-01-21 | 奉节县绿特农业发展有限公司 | Water-spraying type culture pond with portable water changing function |
| CN112602651B (en) * | 2020-12-11 | 2022-08-05 | 南方海洋科学与工程广东省实验室(湛江) | Optimum fishery-adaptive flow field culture water tank |
| CN216674340U (en) * | 2021-11-09 | 2022-06-07 | 国信中船(青岛)海洋科技有限公司 | New water injection system of large-scale cultivation cabin of fish |
| CN216363216U (en) * | 2021-12-08 | 2022-04-26 | 哈尔滨师范大学 | Fish hypoxia model experimental device |
-
2022
- 2022-07-11 CN CN202210812572.4A patent/CN114982700B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114982700A (en) | 2022-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115250990A (en) | Culture system of large-scale cultivation worker ship in deep open sea | |
| CN108207524A (en) | A kind of rice fishing water circulation system | |
| CN114982700B (en) | Fish culture shelter | |
| CN208368617U (en) | A kind of lead-acid accumulator priming device | |
| CN115152592A (en) | Precision agricultural irrigation device and PLC control system thereof | |
| CN204104513U (en) | A kind of novel roe hatching device | |
| CN201252771Y (en) | Northern pile fertilizer egg incubation device | |
| CN105481120A (en) | Mobile solar aerator | |
| CN115005169A (en) | Fish device is driven to fish culture | |
| CN207284827U (en) | Floatation type device for administration of drugs | |
| CN201817335U (en) | Deep water quality in situ remediation device | |
| CN107466513B (en) | Rotary excavating injection planting system and method for desert control | |
| CN210882643U (en) | Pond water quality regulation and control system based on unmanned aerial vehicle | |
| CN205575784U (en) | Mobile solar power aeration machine | |
| CN208047759U (en) | A kind of intermittence fish jar water supply installation | |
| CN217602236U (en) | Low-pressure ozone disinfection type swimming pool | |
| CN207160129U (en) | A kind of pipeline for hydraulic engineering | |
| CN206814496U (en) | A kind of flood storage sewage in-situ biochemical treatment system | |
| CN205682206U (en) | Oxygen-increasing machine that freshwater aquaculture used | |
| CN206353973U (en) | It is a kind of uniformly to add the gardens water injector of nutrient solution | |
| JP2546379Y2 (en) | Ponds, lakes and other water purification systems | |
| CN211635469U (en) | Landscape lake water body improvement device | |
| CN213786891U (en) | Novel pressure-reducing movable valve | |
| CN219503001U (en) | Brick material humidification mechanism | |
| CN201286286Y (en) | Automatic medicine applying device for trout ovum incubation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |