CN109769730B - Three-dimensional efficient oxygen supply method for large-water-surface mountain pond culture - Google Patents
Three-dimensional efficient oxygen supply method for large-water-surface mountain pond culture Download PDFInfo
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- CN109769730B CN109769730B CN201910240864.3A CN201910240864A CN109769730B CN 109769730 B CN109769730 B CN 109769730B CN 201910240864 A CN201910240864 A CN 201910240864A CN 109769730 B CN109769730 B CN 109769730B
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- oxygenation
- main air
- bronchi
- air pipe
- floating balls
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 48
- 239000001301 oxygen Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000006213 oxygenation reaction Methods 0.000 claims abstract description 92
- 238000005276 aerator Methods 0.000 claims abstract description 16
- 238000005273 aeration Methods 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims abstract description 5
- 210000000621 bronchi Anatomy 0.000 claims description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000004891 communication Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation 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
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention relates to a three-dimensional efficient oxygen supply method for large-water-surface mountain pond culture, which comprises an impeller aerator, a micropore aeration system and granular oxygen; the oxygen supply method is characterized in that an impeller type aerator is used for upper layer oxygenation, a micropore oxygenation system is used for middle layer oxygenation, and particle oxygen is used for bottom layer oxygenation, and then the impeller type aerator forms convection of an upper layer, a middle layer and a lower layer, so that three-dimensional high-efficiency oxygen supply is realized. Simple operation, good oxygen supply effect and high efficiency.
Description
Technical Field
The invention relates to a three-dimensional efficient oxygen supply method for large-water-surface mountain pond culture.
Background
The mountains in the coastal areas of southeast China have large rainfall, and common people in the mountains can build dams according to the terrains to form ponds with different sizes for flood control, power generation, agricultural irrigation and the like. Such large surface ponds are mostly allowed for the development of aquaculture. As the water level of the pond is generally deeper, the oxygen supply capacity of the water body is weaker, the cultivation bearing capacity is small, the fish growth speed is slow, the water quality regulation difficulty is high, and the economic benefit is low. Although some areas are provided with part of impeller aerator, the oxygen supply effect is not ideal due to the large water surface, insufficient installation quantity and lack of system design, and the effect of increasing production is not achieved, so that the impeller aerator is mostly used for preventing the hypoxia floating head of fish, has limited effect on improving the micro-ecological balance of the culture environment and the bottom, and is unfavorable for the healthy development of the mode.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is to provide the three-dimensional efficient oxygen supply method for large-water-surface pond culture, which is simple in structure, convenient and efficient.
In order to solve the technical problems, the technical scheme of the invention is as follows: a three-dimensional efficient oxygen supply method for large-water-surface mountain pond culture comprises an impeller aerator, a micropore aeration system and granular oxygen; the oxygen supply method is characterized in that an impeller type aerator is used for upper layer oxygenation, a micropore oxygenation system is used for middle layer oxygenation, and particle oxygen is used for bottom layer oxygenation, and then the impeller type aerator forms convection of an upper layer, a middle layer and a lower layer, so that three-dimensional high-efficiency oxygen supply is realized.
Preferably, the microporous oxygenation system comprises a plurality of oxygenation modules, wherein each oxygenation module comprises a main air pipe, a plurality of bronchi are communicated with each main air pipe, and each bronchi are communicated with the oxygenation disk through a plurality of vertical air pipes; the main air pipes of the oxygenation modules are connected with the blower set through hoses.
Preferably, the main air pipe and the bronchi are horizontally floated on the water surface of the pond, and the main air pipe and the bronchi are provided with floating balls.
Preferably, the floating balls comprise a first floating ball and a second floating ball, the first floating ball is in a sealed strip shape and is fixedly connected to the bottom of the main air pipe, the second floating ball is in a sealed float shape and is fixedly connected to the bronchus, the first floating ball is uniformly distributed along the length direction of the main air pipe, the second floating ball is uniformly distributed along the length direction of the bronchus, an oxygenation disc is corresponding to the lower part of each second floating ball, and the number of the second floating balls is consistent with that of the oxygenation discs.
Preferably, the bronchi are uniformly distributed along the length direction of the main bronchi, the bronchi are perpendicular to the main bronchi, one end part of the bronchi is communicated with the main bronchi, and the other end part of the bronchi is plugged with plugs.
Preferably, a plurality of bronchi are connected with the main air pipe through the control valve, and the ends of the bronchi which are not connected with the main air pipe are bound and connected with each other through the first fixing rope to form the integral oxygen supply module.
Preferably, the top ends of the vertical air pipes are communicated with the bronchi, and the bottom ends of the vertical air pipes are communicated with the aeration pipes of the oxygenation plates; and a second fixed rope is also arranged between the oxygenation disc and the bronchus, the bottom end of the second fixed rope is connected with the oxygenation disc in a binding way, and the top end of the second fixed rope is connected with the bronchus in a binding way.
Preferably, the balancing weight is suspended below the middle part of the oxygenation disc through a third fixing rope.
Preferably, adjacent ends of adjacent main air pipes of adjacent oxygenation modules are in butt joint communication through hoses, adjacent blocked ends of adjacent bronchi of the adjacent oxygenation modules are in binding connection through fourth fixing ropes, plugs are plugged at outer ends of main air pipes of the oxygenation modules located at the most side, and the main air pipes of the oxygenation modules located at the middle are connected with a blower set through hoses; the outer end part of the main air pipe of the aeration module positioned at the most side and the plugging end part of the bronchus are connected with the positioning pile positioned on the shore in a hanging way through a fifth fixing rope.
Preferably, the blower unit consists of a Roots blower, a 7.5kw three-phase asynchronous motor and a 12.1kw/2200r/min diesel engine, wherein the three-phase asynchronous motor drives the Roots blower to supply oxygen during daily operation through a belt, and the position of the belt is changed during power failure, and the diesel engine drives the Roots blower to supply oxygen.
Compared with the prior art, the invention has the following beneficial effects: the three-dimensional efficient oxygen supply method for the large-water-surface mountain pond culture is characterized in that an impeller aerator positioned on the water surface is used for oxygenation of water bodies at the upper layer of the mountain pond, a microporous oxygenation system suspended in the water bodies at the middle layer is used for oxygenation of water bodies at the middle layer of the mountain pond, particle oxygen sprinkled at the bottom layer is used for oxygenation of water bodies at the bottom layer of the mountain pond, and the impeller aerator forms convection of an upper water layer, a middle water layer and a lower water layer, so that three-dimensional efficient oxygen supply is realized. The problem of poor supply capacity of dissolved oxygen in the traditional large-water-surface pond is broken through, the cultivation bearing capacity and the water quality self-cleaning capacity are improved, and the cultivation potential of the pond is fully excavated.
The invention will be described in further detail with reference to the drawings and the detailed description.
Drawings
Fig. 1 is a top view of an embodiment of the present invention.
FIG. 2 is a top view of an oxygenation module according to an embodiment of the invention.
FIG. 3 is a side view of an oxygenation module in accordance with an embodiment of the invention.
FIG. 4 is a schematic diagram of oxygen supply according to an embodiment of the present invention.
FIG. 5 is a schematic diagram of the connection of three oxygenation module layouts.
FIG. 6 is a schematic diagram of a connection of two oxygenation module layouts.
FIG. 7 is a schematic diagram of the connection of an oxygenation module layout.
Fig. 8 is a schematic diagram of an operating state of a three-phase asynchronous motor according to an embodiment of the invention.
Fig. 9 is a schematic diagram of the working state of the diesel engine according to the embodiment of the invention.
Detailed Description
In order to make the above features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1-9, a three-dimensional efficient oxygen supply method for large-water-surface pond culture comprises an impeller aerator 21, a micropore aeration system and granular oxygen 22; the oxygen supply method is characterized in that an impeller type aerator is used for upper layer oxygenation, a micropore oxygenation system is used for middle layer oxygenation, and particle oxygen is used for bottom layer oxygenation, and then the impeller type aerator forms convection of an upper layer, a middle layer and a lower layer, so that three-dimensional high-efficiency oxygen supply is realized.
In the embodiment of the invention, the microporous oxygenation system comprises a plurality of oxygenation modules 1, wherein each oxygenation module comprises a main air pipe 2, a plurality of branch air pipes 3 are communicated with each main air pipe, and the branch air pipes are communicated with an oxygenation disc 6 at the middle lower layer of a pond 5 through a plurality of vertical air pipes 4; the main air pipes of the oxygenation modules are connected with the blower set through hoses; in the use process, a plurality of oxygenation modules can be distributed at different positions of the pond, the number of modules can be increased or decreased according to the water surface condition of the pond, and the structure is simple.
In the embodiment of the invention, the main air pipe and the plurality of bronchi are horizontally floated on the water surface of the pond, and the main air pipe and the bronchi are provided with floating balls.
In the embodiment of the invention, the floating balls comprise a first floating ball 8 and a second floating ball 9, the first floating balls are in the shape of closed bar-shaped floating balls and are fixedly connected to the bottom of the main air pipe, the second floating balls are in the shape of closed pontoons and are fixedly connected to the bronchus, the first floating balls are uniformly distributed along the length direction of the main air pipe, the second floating balls are uniformly distributed along the length direction of the bronchus, an oxygenation disc is corresponding to the lower part of each second floating ball, and the number of the second floating balls is consistent with that of the oxygenation discs; the second floating ball is a 5L sealed polyethylene bottle; two strip-shaped floating balls (PVC pipes with the diameter of 110 mm) are arranged below the main air pipe at intervals, so that the main air pipe cannot sink when power failure and air interruption occur.
In the embodiment of the invention, the bronchi are uniformly distributed along the length direction of the main air pipe, the bronchi are perpendicular to the main air pipe, one end part of each bronchi is communicated with the main air pipe, and the other end part is plugged with a plug 10; the main trachea is a PVC pipe with the diameter of 110mm, and the bronchus is a PVC pipe with the diameter of 50mm, and the interval between the main trachea is 4m, and a bronchus is arranged.
In the embodiment of the invention, a plurality of bronchi are connected with a main air pipe through a control valve 12, and the end parts of the bronchi which are not connected with the main air pipe are bound and connected with each other through a first fixing rope 11 to form an integral oxygen supply module.
In the embodiment of the invention, the top ends of the vertical air pipes are communicated with the bronchi, and the bottom ends of the vertical air pipes are communicated with the aeration pipes of the oxygenation disk; and a second fixing rope 13 is also arranged between the oxygenation disc and the bronchus, the bottom end of the second fixing rope is connected with the oxygenation disc in a binding way, and the top end of the second fixing rope is connected with the bronchus in a binding way.
In the embodiment of the invention, the balancing weight 15 is suspended below the middle part of the oxygenation disc through the third fixing rope 14.
In the embodiment of the invention, adjacent end parts of adjacent main air pipes of adjacent oxygenation modules are in butt joint communication through a hose 16, adjacent end plugs of the adjacent main air pipes of the adjacent oxygenation modules are pulled out before the butt joint communication, adjacent plug ends of adjacent branch air pipes of the adjacent oxygenation modules are in binding connection through a fourth fixing rope 17, plugs are plugged at outer end parts of the main air pipes of the oxygenation modules located at the most side, and the main air pipes of the oxygenation modules located in the middle are connected with a blower unit through a hose 18.
In the embodiment of the invention, the outer end part of the main air pipe of the oxygenation module positioned at the most side and the plugging end part of the bronchus are connected with a positioning pile 20 positioned on the shore in a hanging way through a fifth fixing rope 19.
In the embodiment of the invention, the blower unit consists of a Roots blower 7, a 7.5kw three-phase asynchronous motor 23 and a 12.1kw/2200r/min diesel engine 24, wherein the three-phase asynchronous motor drives the Roots blower to supply oxygen through a belt 25 in daily operation, the position of the belt is changed when power is cut off, and the diesel engine drives the Roots blower to supply oxygen. The optimized blower unit can rapidly switch electric drive and diesel drive according to the needs, and a generator power supply network is not required to be designed, so that the blower unit is simple and convenient.
Example 1:
area: 100 mu of water with depth of 4-6 m
And (3) design: 15 impeller-type oxygen-increasing machines (3 kw) are arranged; 300 oxygenation trays are installed and are distributed in 3 oxygenation modules. Each oxygenation module is provided with 100 oxygenation discs, 76m main air pipes, 20 bronchi, 5 oxygenation discs of each bronchi, and 4m intervals of each oxygenation disc, and the water inlet depth of the oxygenation discs is controlled to be 2m; 3-4 times of granular oxygen is used in each month, 1.2 kg/mu is sprayed on the bottom of the deepwater zone uniformly.
The implementation effect is as follows: the average dissolved oxygen reaches more than 5mg/L, and the yield reaches 1.4 tons/mu.
Example 2:
area: 44 mu of water with depth of 3-5 m
And (3) design: 7 impeller-type oxygen-increasing machines (3 kw) are arranged; 140 oxygenation trays are installed and are distributed into 2 oxygenation modules. Each oxygenation module is provided with 70 oxygenation discs, a main air pipe 52m, 14 bronchi, 5 oxygenation discs of each bronchi, and 4m intervals of each oxygenation disc, and the water inlet depth of the oxygenation discs is controlled to be 1.8m; 3 times of granular oxygen, 1.0 kg/mu, are used every month and uniformly sprayed on the bottom of a deepwater zone.
The implementation effect is as follows: the average dissolved oxygen reaches more than 5mg/L, and the yield reaches 1.5 tons/mu.
Example 3:
area: 20 mu of water with depth of 2-3 m
And (3) design: 3 impeller-type oxygen-increasing machines (3 kw) are arranged; and 60 oxygenation discs and 1 oxygenation module are installed. 44m main air pipes, 12 branch air pipes, 5 oxygenation trays per branch air pipe, 4m intervals per oxygenation tray, and the water inlet depth of the oxygenation trays is controlled to be 1.5m; 2-3 times of granular oxygen is used in each month, 1.0 kg/mu is sprayed on the bottom of the deepwater zone uniformly.
The implementation effect is as follows: the average dissolved oxygen reaches more than 5mg/L, and the yield reaches 1.6 tons/mu.
The invention is not limited to the best mode, and any person can obtain other various types of three-dimensional high-efficiency oxygen supply methods for large-water-surface pond culture under the teaching of the invention. All equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention.
Claims (1)
1. A three-dimensional efficient oxygen supply method for large-water-surface mountain pond culture is characterized by comprising the following steps: comprises an impeller aerator, a micropore aeration system and granular oxygen; the oxygen supply method is characterized in that an impeller type aerator is used for upper layer oxygenation, a micropore oxygenation system is used for middle layer oxygenation, and particle oxygen is used for bottom layer oxygenation, and then the impeller type aerator forms convection of an upper layer, a middle layer and a lower layer, so that three-dimensional high-efficiency oxygen supply is realized; the microporous oxygenation system comprises a plurality of oxygenation modules, wherein each oxygenation module comprises a main air pipe, a plurality of bronchi are communicated with each main air pipe, and each bronchi are communicated with an oxygenation disk through a plurality of vertical air pipes; the main air pipes of the oxygenation modules are connected with the blower set through hoses; the blower unit consists of a Roots blower, a 7.5kw three-phase asynchronous motor and a 12.1kw/2200r/min diesel engine, wherein the three-phase asynchronous motor drives the Roots blower to supply oxygen during daily work through a belt, the position of the belt is changed during power failure, and the diesel engine drives the Roots blower to supply oxygen; the main air pipe and the bronchi are horizontally floated on the water surface of the pond, and floating balls are arranged on the main air pipe and the bronchi; the floating balls comprise first floating balls and second floating balls, the first floating balls are in the shape of closed bar-shaped floating balls and are fixedly connected to the bottom of the main air pipe, the second floating balls are in the shape of closed pontoons and are fixedly connected to the bronchus, the first floating balls are uniformly distributed along the length direction of the main air pipe, the second floating balls are uniformly distributed along the length direction of the bronchus, an oxygenation disk is corresponding to the lower part of each second floating ball, and the number of the second floating balls is consistent with that of the oxygenation disks; the bronchi are uniformly distributed along the length direction of the main air pipe, the bronchi are perpendicular to the main air pipe, one end part of the bronchi is communicated with the main air pipe, and the other end part of the bronchi is plugged with a plug; the plurality of bronchi are connected with the main air pipe through the control valve, and the end parts of the plurality of bronchi which are not connected with the main air pipe are bound and connected with each other through the first fixing rope to form an integral oxygen supply module; the top ends of the vertical air pipes are communicated with the bronchi, and the bottom ends of the vertical air pipes are communicated with the aeration pipes of the oxygenation plates; a second fixing rope is arranged between the oxygenation disc and the bronchus, the bottom end of the second fixing rope is connected with the oxygenation disc in a binding way, and the top end of the second fixing rope is connected with the bronchus in a binding way; a balancing weight is suspended below the middle part of the oxygenation disc through a third fixing rope; adjacent ends of adjacent main air pipes of adjacent oxygenation modules are in butt joint communication through hoses, adjacent blocked ends of adjacent bronchi of the adjacent oxygenation modules are in binding connection through fourth fixing ropes, plugs are plugged at outer ends of main air pipes of the oxygenation modules located at the most side, and the main air pipes of the oxygenation modules located at the middle are connected with a blower set through hoses; the outer end part of the main air pipe of the aeration module positioned at the most side and the plugging end part of the bronchus are connected with the positioning pile positioned on the shore in a hanging way through a fifth fixing rope.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910240864.3A CN109769730B (en) | 2019-03-28 | 2019-03-28 | Three-dimensional efficient oxygen supply method for large-water-surface mountain pond culture |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910240864.3A CN109769730B (en) | 2019-03-28 | 2019-03-28 | Three-dimensional efficient oxygen supply method for large-water-surface mountain pond culture |
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| CN109769730A CN109769730A (en) | 2019-05-21 |
| CN109769730B true CN109769730B (en) | 2024-02-06 |
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2019
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| CN201563497U (en) * | 2009-11-06 | 2010-09-01 | 袁伟刚 | Aeration oxygen-increasing device of suspension type micro-hole hose for aquaculture |
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