CN115399283B - Method for buffering flow rate of water outlet of farm - Google Patents
Method for buffering flow rate of water outlet of farm Download PDFInfo
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- CN115399283B CN115399283B CN202211224158.8A CN202211224158A CN115399283B CN 115399283 B CN115399283 B CN 115399283B CN 202211224158 A CN202211224158 A CN 202211224158A CN 115399283 B CN115399283 B CN 115399283B
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- net
- buffer net
- water outlet
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- farm
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000003139 buffering effect Effects 0.000 title claims abstract description 17
- 239000004568 cement Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 4
- 230000009182 swimming Effects 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 241000238557 Decapoda Species 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 238000006065 biodegradation reaction Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000238553 Litopenaeus vannamei Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/045—Filters for aquaria
-
- 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)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a method for buffering the flow rate of a water outlet of a farm, which comprises the steps of arranging an overflow water outlet in the farm based on the preset position of a embankment of the farm; determining the size and the position of a buffer net according to an included angle formed by the water outlet and the embankment and the area of the water outlet; adding a falling object at the bottom of the buffer net, and arranging a floating ball at the upper part of the buffer net; the two ends of the buffer net are fixed at the embankment, and the middle part of the buffer net is fixed through cement piles. The invention prolongs the service life of the water outlet and protects seedlings in the farm.
Description
Technical Field
The invention relates to the field of aquaculture, in particular to a method for buffering the flow rate of a water outlet of a farm.
Background
Current farms at coastal estuaries rely on tidal swell and fall for water exchange. After the water outlet of the farm is subjected to tide water and is retracted, the tide water outside the farm is retracted faster than the tide water inside the farm, so that the flow speed of water flowing out of the farm from the water outlet to the outside of the farm can be increased sharply, a large amount of farmed organisms such as shrimp and fish seedlings can be accumulated on the net cover of the water outlet along with the water flow direction, the seedlings die, and the economic loss is serious. Wherein, due to the fact that biological seedlings can move along with the water flow, a large amount of attached organisms and economic biological seedlings still gather at the water outlet, so that the net frame holes of the water outlet are blocked; meanwhile, impurities such as silt deposited in the water outlet and the like are required to be manually cleaned in the water outlet, which is time-consuming and labor-consuming. And excessive water flow rate can accelerate the ageing of the water outlet of the farm, and manual maintenance is required frequently.
Disclosure of Invention
The invention provides a method for buffering the flow rate of a water outlet of a farm, which is used for overcoming at least one technical problem in the prior art.
According to the invention, there is provided a method for buffering the flow rate of a water outlet of a farm, comprising the following steps: a method for buffering a flow rate at a farm drain, the method comprising: setting an overflow type water outlet in a farm based on a preset embankment position of the farm; determining the size and the position of a buffer net according to an included angle formed by the water outlet and the embankment and the area of the water outlet, wherein the two ends of the buffer net are fixed at the embankment of the farm, and the middle part of the buffer net is fixed through cement piles; and a falling object is added at the bottom of the buffer net, and a floating ball is arranged at the upper part of the buffer net.
Optionally, the step of adding a falling object at the bottom of the buffer net and setting a floating ball at the upper part of the buffer net includes: and a floating ball filling net port is arranged at the top of the buffer net, and the floating ball is fixed.
Optionally, the cement column and the bottom of the buffer net are provided with a triangular column body fall preventing device, wherein a triangular column body in the triangular column body fall preventing device faces the water outlet so as to support the triangular column body fall preventing device and enable the cement pile to be stabilized at the bottom of the farm.
Optionally, the distance of the water outlet from the buffer net is determined by a multi-stage flow rate equation.
Optionally, the height of the buffer net is 3m, the length of the buffer net is 20m, and the mesh size of the buffer net is 10 mesh.
Optionally, the number of the falling objects is 10-15, and the number of the floating balls is 8-12.
Optionally, the diameter of the net hole of the filling net hole is 20cm.
Alternatively, the cement piles have the dimensions of 60cm multiplied by 50cm, and square holes of 10cm are reserved in the middle.
Optionally, the material of the buffer net is polyethylene.
The innovation points of the embodiment of the invention include:
1. the invention can determine the position of the water outlet according to the position of the embankment of the farm, and determine the size and the position of the buffer net according to the relation between the water outlet and the embankment. The buffer net can slow down the flow rate of water at the water outlet, so that seedlings in the farm can be prevented from accumulating at the water outlet along with overlarge water flow by arranging the buffer net with proper position and size, and the death rate of the seedlings is reduced; in addition, slowing down the water flow rate at the water outlet can delay the ageing of the water outlet of the plant. Is one of the innovative points of the embodiments of the present invention.
2. According to the invention, the buffer net is arranged to intercept part of impurities, so that the problem of blockage of the net frame holes of the water outlet caused by a large amount of attached organisms and the aggregation of seedlings at the water outlet is avoided, and meanwhile, the buffer net can enable the impurities to be left in a farm for biodegradation, so that manual cleaning is not needed, and time and labor are saved. Is one of the innovative points of the embodiments of the present invention.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a flow rate buffering method for a farm drain according to the present invention;
FIG. 2 is a schematic diagram of the calculation of water flow rate at the buffer network of the present invention;
FIG. 3 is a schematic top view of the installation of the cushioning net of the present invention;
FIG. 4 is a schematic diagram of an installation side view of the cushioning net of the present invention;
fig. 5 is a schematic diagram of an installation side view of the fixing device of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, the technical solutions according to the embodiments of the present invention will be clearly described in the following with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. The experimental methods used in the embodiment of the invention are conventional methods unless otherwise specified. Materials, reagents, and the like used in the examples of the present invention are commercially available unless otherwise specified.
It should be noted that the terms "comprising" and "having" and any variations thereof in the embodiments of the present invention and the accompanying drawings are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.
In order to better understand the technical content of the present invention, the following provides specific examples to further illustrate the present invention.
The embodiment of the invention provides a method for buffering the flow rate of a water outlet of a farm, and referring to fig. 1, fig. 1 is a schematic flow chart of the method for buffering the flow rate of the water outlet of the farm. As shown in fig. 1, the method for buffering the flow rate of the water outlet of the farm comprises the following steps:
step 101, setting an overflow drain outlet in a farm based on a preset embankment position of the farm.
In this step, the azimuth orientation and the height of the water outlet need to be determined according to the environment of the actual site, so that the water flow in the shrimp pond can quickly enter and exit.
Step 102, determining the size and the position of a buffer net according to an included angle formed by the water outlet and the embankment and the area of the water outlet, wherein two ends of the buffer net are fixed at the embankment, and the middle part of the buffer net is fixed through cement piles.
In particular, the flow rate at the buffer net is smaller than the biological flow rate in the farm, so that a multistage flow rate equation established according to the environment of the actual farm is required. As shown in fig. 2, fig. 2 is a schematic diagram of water flow rate calculation at the buffer network according to the present invention. And determining the size and position of the buffer network according to the multi-stage flow rate equation.
Further, the size and position of the buffer net are shown in fig. 3, and include the area size of the buffer net, the distance from the drain outlet, and the radian of the buffer net and the fixed positions of the two ends. The material of the buffer net is polyethylene.
The multistage flow rate equation is shown in the formula (1), the formula (2) and the formula (3):
Q＝V 1 ·S 1 ·t＝V 2 ·S 2 ·t (1)
Q＝∫V 2 ·S 2 dt is that
In the formulas (1) to (3), L represents the distance of the drain port from the buffer net; v (V) 1 Representing the water flow rate at the buffer network; s is S 1 Representing the area of the cushioning net; v (V) 2 Representing the water flow rate at the drain; s is S 2 Representing the area at the drain opening; q represents the flow of water through the drain opening; t represents the time of water flow through the drain opening; c represents the water resistance of the buffer net, and is a fixed value, which is smaller than 1 and larger than 0; alpha represents the swimming speed of the living beings, and the swimming speed is more than or equal to V 1 And the water flow speed at the buffer net, and theta represents an included angle formed by the embankments at the two sides of the water outlet.
In the implementation process, the height and length of the buffer net and the mesh size are also required to be determined according to the culture environment. For example, young Penaeus vannamei Boone and young fish can be selected to have a buffer net with a height of 3m and a length of 20m and a mesh of 10 meshes, so as to prevent other organisms larger than the standard from escaping.
In specific implementation, as shown in fig. 5, fig. 5 is a schematic installation side view of the fixing device of the present invention, the middle part of the buffer net needs to be provided with a device for supporting the radian of the whole buffer net, which can bear higher water flow and speed, meanwhile, for convenient transportation, a reinforced concrete pile with a structure of 60cm×60cm×50cm is customized, a square hole with a 10cm diameter is reserved in the middle, and a cement column with a bottom of 10cm square and a height of 3 meters can be inserted to form a combined device for fixing.
Wherein, in order to make the above combined device more stable and keep the upright state, a plurality of fixing devices can be arranged. A combination device for securing the concrete column and the cushioning net. The bottom of the combined device can be provided with a triangular column body anti-falling device, the triangular column body faces the water outlet, the device is supported, and the device is placed at the bottom of a farm, so that the cement pile is stabilized at the bottom of the shrimp pond.
And 103, adding a falling object at the bottom of the buffer net, and arranging a floating ball at the upper part of the buffer net.
In this step, add the dog and in order to make the buffering net that shows more firm, prevent that the buffering net of bottom from removing the opening along with rivers buffering net upper portion sets up the floater, can drive biological buffering net and float certain height when the water level is highest, prevents biological seed and escapes from upper portion rivers. In the concrete implementation, 10-15 lead weights can be added at the bottom of the buffer net; 8-12 floating balls are arranged at the upper part.
In a specific implementation, a floating ball filling net opening can be further arranged at the top of the buffer net and used for increasing the filling quantity of the floating balls, so that the floating height of the buffer net is increased. In specific implementation, the diameter of the net hole of the filling net hole is 20cm, and the net hole is positioned at the top of the net surface of the whole buffer net, so that the floating height of the buffer net can be increased by 20cm. The floating ball can be bound by nylon ropes for fixing, and the phenomenon of inclination of the net surface caused by excessive water in the farm can be prevented.
It can be seen that the embodiment of the invention can determine the position of the water outlet by surveying the position of the embankment of the farm, and determine the size and position of the buffer net according to the relation between the water outlet and the embankment; the position of the buffer net can buffer the flow velocity of water flow at the water outlet, so that seedlings are prevented from accumulating at the water outlet along with overlarge water flow, and the seedlings are prevented from dying; meanwhile, the aging of the water outlet of the farm can be slowed down by buffering the water flow velocity at the water outlet; the buffer net can be fixed, so that part of impurities can be intercepted by the buffer net, and a large number of attached organisms and economic biological seedlings are prevented from gathering at the water outlet, so that the net frame holes of the water outlet are blocked; meanwhile, the buffer net can enable impurities to be left in a farm for biodegradation, so that time and labor are saved.
The basic principles of the present application have been described above in connection with specific embodiments, however, it should be noted that the advantages, benefits, effects, etc. mentioned in the present application are merely examples and not limiting, and these advantages, benefits, effects, etc. are not to be considered as necessarily possessed by the various embodiments of the present application. Furthermore, the specific details disclosed herein are for purposes of illustration and understanding only, and are not intended to be limiting, as the application is not intended to be limited to the details disclosed herein as such.
The block diagrams of the devices, apparatuses, devices, systems referred to in this application are only illustrative examples and are not intended to require or imply that the connections, arrangements, configurations must be made in the manner shown in the block diagrams. As will be appreciated by one of skill in the art, the devices, apparatuses, devices, systems may be connected, arranged, configured in any manner. Words such as "including," "comprising," "having," and the like are words of openness and mean "including but not limited to," and are used interchangeably therewith. The terms "or" and "as used herein refer to and are used interchangeably with the term" and/or "unless the context clearly indicates otherwise. The term "such as" as used herein refers to, and is used interchangeably with, the phrase "such as, but not limited to.
It is also noted that in the apparatus, devices and methods of the present application, the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent to the present application.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing description has been presented for purposes of illustration and description. Furthermore, this description is not intended to limit the embodiments of the application to the form disclosed herein. Although a number of example aspects and embodiments have been discussed above, a person of ordinary skill in the art will recognize certain variations, modifications, alterations, additions, and subcombinations thereof.
Claims (9)
1. A method for buffering a flow rate at a farm drain, the method comprising:
setting an overflow type water outlet in a farm based on a preset embankment position of the farm;
establishing a multi-stage flow rate equation to determine the size and the position of a buffer net according to an included angle formed by the water outlet and the embankment and the area of the water outlet, wherein two ends of the buffer net are fixed at the embankment of the farm, and the middle part of the buffer net is fixed through cement piles;
the multistage flow rate equation is shown in the formula (1), the formula (2) and the formula (3):
Q＝V 1 ·S 1 ·t＝V 2 ·S 2 ·t (1)
Q＝∫V 2 ·S 2 dt is that
At the publicIn the formulas (1) to (3), L represents the distance between the water outlet and the buffer net; v (V) 1 Representing the water flow rate at the buffer network; s is S 1 Representing the area of the cushioning net; v (V) 2 Representing the water flow rate at the drain; s is S 2 Representing the area at the drain opening; q represents the flow of water through the drain opening; t represents the time of water flow through the drain opening; c represents the water resistance of the buffer net, and is a fixed value, which is smaller than 1 and larger than 0; alpha represents the swimming speed of the living beings, and the swimming speed is more than or equal to V 1 The water flow speed at the buffer net, theta represents the included angle formed by the embankments at the two sides of the water outlet,
and a falling object is added at the bottom of the buffer net, and a floating ball is arranged at the upper part of the buffer net.
2. The method of claim 1, wherein the step of adding a weight at the bottom of the buffer net and providing a float at the top of the buffer net comprises:
and a floating ball filling net port is arranged at the top of the buffer net, and the floating ball is fixed.
3. The method according to claim 1, wherein both ends of the buffer net are fixed at a bank of the farm, and the step of fixing the middle part of the buffer net by cement piles comprises:
the bottom of cement stake with the triangular prism body anti-falling device is installed to the bottom of buffer network, wherein, triangular prism body in the triangular prism body anti-falling device towards the outlet, with support the triangular prism body anti-falling device, and make cement stake stabilizes the bottom of plant.
4. The method of claim 1, wherein the method comprises the steps of,
the distance of the water outlet from the buffer net is determined by a multi-stage flow rate equation.
5. The method of claim 4, wherein the step of,
the mesh size of the buffer net is 10 mesh.
6. The method of claim 1, wherein the method comprises the steps of,
the number of the falling objects is 10-15, and the number of the floating balls is 8-12.
7. The method of claim 2, wherein the step of,
the diameter of the net hole of the filling net hole is 20cm.
8. The method of claim 3, wherein the method comprises,
the size of the cement pile is 60cm multiplied by 50cm, and a square hole of 10cm is reserved in the middle.
9. The method of claim 1, wherein the method comprises the steps of,
the material of the buffer net is polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211224158.8A CN115399283B (en) | 2022-10-09 | 2022-10-09 | Method for buffering flow rate of water outlet of farm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211224158.8A CN115399283B (en) | 2022-10-09 | 2022-10-09 | Method for buffering flow rate of water outlet of farm |
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| Publication Number | Publication Date |
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| CN115399283A CN115399283A (en) | 2022-11-29 |
| CN115399283B true CN115399283B (en) | 2024-01-30 |
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Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7690330B2 (en) * | 2007-01-24 | 2010-04-06 | West Virginia University | Aquaculture raceway with waste removal section |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587317A (en) * | 2012-02-02 | 2012-07-18 | 南京大学 | Composite ecological component for weakening waves and controlling, stopping and guiding algae, manufacturing method and application thereof |
| CN104365525A (en) * | 2014-10-31 | 2015-02-25 | 洛阳昌盛水产有限公司 | Fishpond capable of being used for breeding of deep-water fishes on water surface |
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| CN115399283A (en) | 2022-11-29 |
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