CN113303272B - Land-based industrial culture pond for large yellow croakers - Google Patents
Land-based industrial culture pond for large yellow croakers Download PDFInfo
- Publication number
- CN113303272B CN113303272B CN202110777155.6A CN202110777155A CN113303272B CN 113303272 B CN113303272 B CN 113303272B CN 202110777155 A CN202110777155 A CN 202110777155A CN 113303272 B CN113303272 B CN 113303272B
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- culture pond
- main body
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- large yellow
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- 241001596950 Larimichthys crocea Species 0.000 title claims abstract description 20
- 239000001301 oxygen Substances 0.000 claims abstract description 24
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 21
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 239000010865 sewage Substances 0.000 claims description 26
- 238000009395 breeding Methods 0.000 claims description 21
- 230000001488 breeding effect Effects 0.000 claims description 21
- 238000005273 aeration Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 239000013049 sediment Substances 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000010813 municipal solid waste Substances 0.000 claims 3
- 238000007790 scraping Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 33
- 238000002156 mixing Methods 0.000 abstract description 8
- 238000009360 aquaculture Methods 0.000 abstract description 6
- 244000144974 aquaculture Species 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002244 precipitate Substances 0.000 abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 19
- 238000005202 decontamination Methods 0.000 description 4
- 230000003588 decontaminative effect Effects 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
-
- 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
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 relates to the technical field of aquaculture, in particular to a large yellow croaker land-based industrial culture pond, which comprises a culture pond main body, wherein a dirt storage tank is arranged in the middle inside the culture pond main body, a positioning column is arranged inside the dirt storage tank, a dirt cleaning component is arranged on the positioning column, a water-oxygen mixing component is arranged on the culture pond main body and positioned on the left side surface of the culture pond main body, precipitates at the bottom of the culture pond main body can be scraped through a dirt cleaning plate, a loading frame can rotate on the culture pond main body during dirt cleaning through a positioning wheel, the dirt cleaning operation stability of the dirt cleaning component is high, the dirt cleaning effect of the dirt cleaning component is good, the culture pond main body can be effectively and periodically cleaned, the culture water quality of the culture pond main body is higher, and the culture water in the culture pond main body can be subjected to water-oxygen mixing through the water-oxygen mixing component, the water quality of the culture pond main body is simply and conveniently regulated, and the industrial culture effect of the large yellow croakers is effectively improved.
Description
Technical Field
The invention relates to the technical field of aquaculture, in particular to a land-based industrial culture pond for large yellow croakers.
Background
The large yellow croaker is a specific local seawater fish in China. Because the high-strength fishing situation is maintained for a long time, the sea area natural resources of the large yellow croakers are not recovered yet, but become one of the largest-scale marine cultured fishes and 8 dominant-export cultured aquatic products in China through the hard efforts of science and technology personnel. At present, because the cage culture environment is polluted and diseases are increasingly serious, batch fish death events caused by hypoxia, outbreak and the like of cultured large yellow croakers frequently occur, so that serious threats are brought to the continuous development of the large yellow croaker culture industry, and the quality safety of the large yellow croakers is threatened. Therefore, the development of the research on land-based industrial culture technology of the large yellow croakers is an active and scientific countermeasure.
Disclosure of Invention
The invention aims to provide a land-based industrial culture pond for large yellow croakers, which solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a large yellow croaker land-based industrialization breed pond, includes and breeds the pond main part, the department is provided with the storage dirty groove in the middle of breeding the inside of pond main part, the inside of storing up dirty groove is provided with the reference column, be provided with the subassembly of decontaminating on the reference column, the subassembly of decontaminating is including loading frame, linking seat, locating wheel, driving motor, switching support, switching axle, loading section of thick bamboo, mounting bracket, support pull rod and the board of decontaminating, it is provided with water oxygen mediation subassembly just to be located the left surface in the breed pond main part, water oxygen mediation subassembly includes linking plate, roots's fan, the person in charge of admitting air and aeration branch pipe.
According to the preferable scheme of the invention, the end part of the culture pond main body is provided with a positioning groove, the upper side inside the culture pond main body is provided with a bait placing seat, and the bottom of the bait placing seat is connected with the culture pond main body through a reinforcing rod.
As the preferable scheme of the invention, the bottom of the sewage storage tank is externally connected with a sewage discharge pipe, and the other end of the sewage discharge pipe is provided with a sewage discharge return tank.
As a preferable scheme of the invention, a connecting seat is arranged at the bottom of one end of the loading frame, a positioning wheel is arranged at the bottom of the connecting seat, a switching support is arranged at the right side of the bottom of the loading frame, a switching shaft is arranged at the end part of the switching support, a driving motor is arranged on the loading frame corresponding to the switching shaft, a loading cylinder is arranged at the outer side of the switching support, an installation frame is arranged at the bottom of the loading cylinder, a supporting pull rod is arranged at the end part of the installation frame, and a dirt cleaning plate is uniformly arranged at the bottom of the installation frame.
As a preferable scheme of the present invention, the connecting seat is rotatably connected to the loading frame, the driving end of the driving motor is connected to the adapter shaft through a coupling, the bottom of the loading cylinder is rotatably connected to the positioning column, the other side of the supporting pull rod is connected to the loading frame, and the positioning wheel is correspondingly connected to the positioning groove.
According to the preferable scheme of the invention, the connecting plate is provided with a Roots blower, the air outlet end of the Roots blower is provided with an air inlet main pipe, and the other end of the air inlet main pipe is provided with an aeration branch pipe.
In a preferred embodiment of the present invention, the connection plate is disposed on the upper left side of the culture pond body, and the main air inlet pipe is disposed in a penetrating manner on the upper left side of the culture pond body.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, residual baits and sediments in the culture pond main body can be collected in a centralized manner through the arranged sewage storage tank, and stored objects in the sewage storage tank can be discharged into the sewage backflow box for cleaning and collection through the arranged sewage discharge pipe, so that the culture pond main body is more simple and convenient to clean.
2. According to the invention, the arranged sewage disposal plate can scrape off sediments at the bottom of the culture pond main body, the positioning wheel can be arranged to enable the loading frame to rotate on the culture pond main body during sewage disposal, so that the sewage disposal operation stability of the sewage disposal assembly is high, the sewage disposal effect of the sewage disposal assembly is good, the culture pond main body can be effectively and periodically cleaned, and the culture water quality of the culture pond main body is higher.
3. According to the invention, the water and oxygen blending component can blend the aquaculture water in the aquaculture pond main body through water and oxygen, and the water and oxygen blending component and the sewage cleaning component are arranged in a staggered manner, so that the water and oxygen blending component and the sewage cleaning component can operate simultaneously, the water quality of the aquaculture pond main body can be regulated and controlled simply and conveniently, and the aquaculture effect is effectively improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partial schematic structural view of the present invention;
FIG. 3 is a schematic bottom view of the cultivation pond of the present invention.
In the figure: 1. a culture pond main body; 101. a sewage storage tank; 102. a positioning column; 103. positioning a groove; 104. a bait placing seat; 105. a reinforcing bar; 106. a blow-off pipe; 107. a blowdown reflux tank; 2. a decontamination assembly; 201. a loading frame; 202. a linking seat; 203. positioning wheels; 204. a drive motor; 205. a transfer bracket; 206. a transfer shaft; 207. a loading cartridge; 208. a mounting frame; 209. a support pull rod; 210. a decontamination plate; 3. a water oxygen harmonizing component; 301. a connector tile; 302. a Roots blower; 303. a main gas inlet pipe; 304. an aeration branch pipe.
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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-3, the present invention provides a technical solution:
the utility model provides a large yellow croaker land-based industrialization breed pond, including breeding pond main part 1, the department is provided with the dirty groove 101 of storage in the middle of breeding the inside of pond main part 1, the inside of storing up dirty groove 101 is provided with reference column 102, be provided with on the reference column 102 and clear dirty subassembly 2, clear dirty subassembly 2 is including loading frame 201, join in marriage a seat 202, positioning wheel 203, driving motor 204, switching support 205, switching shaft 206, load a section of thick bamboo 207, mounting bracket 208, support pull rod 209 and clear dirty board 210, it is provided with water oxygen mediation subassembly 3 just to be located the left surface on the breed pond main part 1, water oxygen mediation subassembly 3 is including linking up the board 301, roots's fan 302, the person in charge of admitting air 303 and aeration branch pipe 304.
The embodiment, please refer to fig. 1 and 3, constant head tank 103 has been seted up to the tip of breeding pond main part 1, the inside upside of breeding pond main part 1 is provided with bait and places seat 104, bait is placed the bottom of seat 104 and is passed through stiffener 105 and is connected with breeding pond main part 1, the external blow off pipe 106 that is provided with in bottom of storing up dirty groove 101, the other end of blow off pipe 106 is provided with blowdown return tank 107, can concentrate the collection to the inside residual bait and the precipitate of breeding pond main part 1 through the dirty groove 101 that stores up that sets up, the collection of clearing up is carried out in can discharging the storage in the dirty groove 101 of storing up dirty groove 107 through the blow off pipe 106 that sets up to blowdown return tank 107, make the cleaning of breeding pond main part 1 more simple and convenient.
In the embodiment, referring to fig. 1 and 2, a connecting seat 202 is arranged at the bottom of one end of a loading frame 201, a positioning wheel 203 is arranged at the bottom of the connecting seat 202, a switching support 205 is arranged at the right side of the bottom of the loading frame 201, a switching shaft 206 is arranged at the end of the switching support 205, a driving motor 204 is arranged on the loading frame 201 corresponding to the switching shaft 206, a loading cylinder 207 is arranged at the outer side of the switching support 205, a mounting frame 208 is arranged at the bottom of the loading cylinder 207, a supporting pull rod 209 is arranged at the end of the mounting frame 208, a dirt removing plate 210 is uniformly arranged at the bottom of the mounting frame 208, the connecting seat 202 is rotatably connected with the loading frame 201, the driving end of the driving motor 204 is connected with the switching shaft 206 through a coupling, the bottom of the loading cylinder 207 is rotatably connected with a positioning column 102, the other side of the supporting pull rod 209 is connected with the loading frame 201, the positioning wheel 203 is correspondingly connected with a positioning groove 103, and sediments at the bottom of the culture pond main body 1 can be scraped through the provided dirt removing plate 210, can make the load frame 201 rotate the work on breeding pond main part 1 when decontaminating through setting up the locating wheel 203, make the operational stability of decontaminating of subassembly 2 of decontaminating high to the subassembly 2 of decontaminating is decontaminated effectually, can effectually regularly decontaminate breeding pond main part 1, and the breed quality of water quality that makes breed pond main part 1 is higher.
An embodiment, please refer to fig. 1 and 2, install roots blower 302 on the linkage plate 301, the person in charge 303 that admits air is installed to roots blower 302's the end of giving vent to anger, the other end that the person in charge 303 that admits air is provided with aeration branch pipe 304, linkage plate 301 is located the upper left side setting of breeding pond main part 1, the person in charge 303 that admits air is located the upper left side run-through setting of breeding pond main part 1, can carry out water oxygen mediation to the breed water of breeding in the pond main part 1 through the water oxygen mediation subassembly 3 that sets up, and water oxygen mediation subassembly 3 sets up with the subassembly 2 of decontaminating is crisscross, make water oxygen mediation subassembly 3 and the subassembly 2 of decontaminating can move simultaneously, make the quality of water regulation and control of breeding pond main part 1 simple and convenient, effectual improvement is bred the effect.
The working principle is as follows: when the device is used, when the culture pond main body 1 needs to be cleaned, the switching bracket 205 is driven to work through the driving motor 204, the loading frame 201 is enabled to rotate on the culture pond main body 1 to enable the cleaning plate 210 to clean the culture pond main body 1, precipitated dirt enters the dirt storage tank 101 and then enters the dirt discharge backflow box 107 through the dirt discharge pipe 106 to be cleaned, when water and oxygen blending is needed to be carried out on the culture water, the aeration branch pipe 304 is enabled to carry out water and oxygen blending on the culture water through the work of the Roots blower 302, residual bait and precipitate in the culture pond main body 1 can be collected in a centralized manner through the arranged dirt storage tank 101, stored substances in the dirt storage tank 101 can be discharged into the dirt discharge backflow box 107 to be cleaned and collected through the arranged dirt discharge pipe 106, the cleaning of the culture pond main body 1 is simpler and more convenient, the precipitate at the bottom of the culture pond main body 1 can be scraped through the arranged cleaning plate 210, can make the loading frame 201 carry out the rotation work on breeding pond main part 1 when decontaminating through setting up the locating wheel 203, make the operation stability of decontaminating of subassembly 2 of decontaminating high, and the decontamination of subassembly 2 of decontaminating is effectual, can effectually regularly carry out the decontamination to breeding pond main part 1, the breed quality of water quality that makes breeding pond main part 1 is higher, water oxygen mediation subassembly 3 through the setting can carry out water oxygen mediation to the breed water in breeding pond main part 1, and water oxygen mediation subassembly 3 sets up with subassembly 2 is crisscross clear, make water oxygen mediation subassembly 3 and subassembly 2 of decontaminating move simultaneously, make the quality of water regulation and control simple and convenient of breeding pond main part 1, effectual improvement breed effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The land-based industrial culture pond for the large yellow croakers comprises a culture pond main body (1), and is characterized in that: a sewage storage tank (101) is arranged in the middle of the interior of the culture pond main body (1), a positioning column (102) is arranged in the sewage storage tank (101), a sewage cleaning component (2) is arranged on the positioning column (102), the sewage cleaning component (2) comprises a loading frame (201), a connecting seat (202), a positioning wheel (203), a driving motor (204), a switching bracket (205), a switching shaft (206), a loading cylinder (207), a mounting frame (208), a supporting pull rod (209) and a sewage cleaning plate (210), a water-oxygen regulating component (3) is arranged on the left side surface of the culture pond main body (1), and the water-oxygen regulating component (3) comprises a connecting plate (301), a Roots blower (302), an air inlet main pipe (303) and an aeration branch pipe (304);
a connecting seat (202) is arranged at the bottom of one end of the loading frame (201), a positioning wheel (203) is arranged at the bottom of the connecting seat (202), a switching support (205) is arranged on the right side of the bottom of the loading frame (201), a switching shaft (206) is arranged at the end part of the switching support (205), a driving motor (204) is arranged on the loading frame (201) corresponding to the switching shaft (206), a loading barrel (207) is arranged on the outer side of the switching support (205), an installation frame (208) is arranged at the bottom of the loading barrel (207), a supporting pull rod (209) is arranged at the end part of the installation frame (208), and a dirt cleaning plate (210) is uniformly arranged at the bottom of the installation frame (208);
the trash cleaning plates (210) are spiral, and the plurality of trash cleaning plates (210) are arranged along the radial direction of the culture pond main body (1) and used for scraping sediments to the circle center direction of the trash storage tank (101).
2. The land-based industrial culture pond for the large yellow croakers according to claim 1, wherein: the end part of the culture pond main body (1) is provided with a positioning groove (103), the upper side inside the culture pond main body (1) is provided with a bait placing seat (104), and the bottom of the bait placing seat (104) is connected with the culture pond main body (1) through a reinforcing rod (105).
3. The land-based industrial culture pond for the large yellow croakers according to claim 1, wherein: the bottom of the sewage storage tank (101) is externally connected with a sewage discharge pipe (106), and the other end of the sewage discharge pipe (106) is provided with a sewage discharge return tank (107).
4. The land-based industrial culture pond for the large yellow croakers according to claim 1, wherein: the connecting seat (202) is rotatably connected with the loading frame (201), the driving end of the driving motor (204) is connected with the adapter shaft (206) through a coupler, the bottom of the loading cylinder (207) is rotatably connected with the positioning column (102), the other side of the supporting pull rod (209) is connected with the loading frame (201), and the positioning wheel (203) is correspondingly connected with the positioning groove (103).
5. The land-based industrial culture pond for the large yellow croakers according to claim 1, wherein: the connecting plate (301) is provided with a Roots blower (302), the air outlet end of the Roots blower (302) is provided with an air inlet main pipe (303), and the other end of the air inlet main pipe (303) is provided with an aeration branch pipe (304).
6. The land-based industrial culture pond for the large yellow croakers according to claim 1, wherein: the linkage plate (301) is located the upper left side setting of breeding pond main part (1), admit air and be responsible for (303) and be located the upper left side run-through setting of breeding pond main part (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110777155.6A CN113303272B (en) | 2021-07-09 | 2021-07-09 | Land-based industrial culture pond for large yellow croakers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110777155.6A CN113303272B (en) | 2021-07-09 | 2021-07-09 | Land-based industrial culture pond for large yellow croakers |
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| Publication Number | Publication Date |
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| CN113303272A CN113303272A (en) | 2021-08-27 |
| CN113303272B true CN113303272B (en) | 2022-09-23 |
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| CN202110777155.6A Expired - Fee Related CN113303272B (en) | 2021-07-09 | 2021-07-09 | Land-based industrial culture pond for large yellow croakers |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114793990B (en) * | 2022-04-22 | 2023-10-03 | 汕尾职业技术学院 | Industrial intelligent closed aquaculture system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101152608A (en) * | 2006-09-30 | 2008-04-02 | 吉禾科技有限公司 | Method for punching and scraping mud applied for subsider of water treatment system |
| CN101353887B (en) * | 2007-07-25 | 2010-06-02 | 黄国宏 | Full automatic pollution removing ice discharge apparatus |
| CN103766275B (en) * | 2014-02-21 | 2015-07-22 | 杭州萧山东海养殖有限责任公司 | Anti-blocking method applicable to circulation water loach breeding pond bottom drain |
| CN105028299A (en) * | 2015-06-12 | 2015-11-11 | 徐州明镜物业管理有限公司 | Aquaculture oxygenation, sterilization and disinfection system |
| CN205756511U (en) * | 2016-05-25 | 2016-12-07 | 通威股份有限公司 | A kind of indoor culture pond |
| CN110314424A (en) * | 2019-07-30 | 2019-10-11 | 江苏通用环保集团有限公司 | A kind of side water outlet peripheral drive sludge scraper and scrape mud method |
| CN110776129B (en) * | 2019-08-30 | 2021-11-19 | 中清生态环境(宁波)有限公司 | Vertical flow type precipitation and air floatation device for water treatment and working method thereof |
| CN111066715A (en) * | 2020-01-06 | 2020-04-28 | 广东海洋大学 | Vortex type sewage collection circulating water aquaculture system |
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Granted publication date: 20220923 |