CN217509682U - Fishpond for aquaculture by utilizing biogas slurry - Google Patents
Fishpond for aquaculture by utilizing biogas slurry Download PDFInfo
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- CN217509682U CN217509682U CN202123094613.0U CN202123094613U CN217509682U CN 217509682 U CN217509682 U CN 217509682U CN 202123094613 U CN202123094613 U CN 202123094613U CN 217509682 U CN217509682 U CN 217509682U
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- 238000009360 aquaculture Methods 0.000 title claims abstract description 16
- 244000144974 aquaculture Species 0.000 title claims abstract description 16
- 239000002002 slurry Substances 0.000 title claims description 80
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 241000251468 Actinopterygii Species 0.000 claims abstract description 57
- 238000003973 irrigation Methods 0.000 claims abstract description 32
- 230000002262 irrigation Effects 0.000 claims abstract description 32
- 238000009395 breeding Methods 0.000 claims abstract description 10
- 230000001488 breeding effect Effects 0.000 claims abstract description 10
- 244000062720 Pennisetum compressum Species 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000005273 aeration Methods 0.000 claims description 16
- 241000209046 Pennisetum Species 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000012364 cultivation method Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 235000015097 nutrients Nutrition 0.000 abstract description 12
- 239000000126 substance Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 9
- 244000025254 Cannabis sativa Species 0.000 abstract description 4
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- 244000005700 microbiome Species 0.000 description 10
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- 239000010865 sewage Substances 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- 241000238631 Hexapoda Species 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
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- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 229910052700 potassium Inorganic materials 0.000 description 4
- 239000002028 Biomass Substances 0.000 description 3
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- 102000004169 proteins and genes Human genes 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005276 aerator Methods 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
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- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an utilize pond of natural pond liquid aquaculture field includes the pond stalk of the slope that encloses into the rectangle along the pond all around, the eminence to the low place along the water level divide into water inlet layer, regulation water layer and drainage blanket in proper order in the pond, it is equipped with the planting layer that is used for planting the hybridization chinese pennisetum to pond stalk top to adjust the water layer, the planting layer is inboard towards the pond, the planting layer is equipped with horizontal natural pond liquid and advances water drip irrigation pipe, utilize natural pond liquid to plant grass and breed fish, mainly utilize the food chain that organic matter, bacterium, alga, plankton, fish etc. constitute, utilize natural pond liquid nutrient substance to provide nutrient substance and moisture for grass fast, fully; provides rich bait for fish. The method has the characteristics of low capital investment, bait saving, low breeding cost, high yield, good benefit and convenient management, and can solve the environmental problem.
Description
Technical Field
The utility model belongs to the aquaculture field specifically is an utilize natural pond liquid aquaculture's pond.
Background
The biogas slurry is waste water generated by anaerobic fermentation of fecal sewage of livestock and poultry breeding industry, pathogenic bacteria and insect eggs in the feces can be killed by the anaerobic fermentation, and the removal rate is up to more than 98%. The livestock and poultry excrement sewage is rich in feed nutrient substances which are not digested, absorbed and utilized by livestock and poultry, and after anaerobic fermentation, the livestock and poultry excrement sewage is rich in mycoprotein, also contains various peptide proteins, amino acids, vitamins, undecomposed organic matters, trace elements, unknown growth factors and other animal nutrient substances, and the nutrient substances are beneficial to improving the immune function and disease resistance of fish, so that the biogas slurry is rich-nutrient wastewater which can be safely utilized as bait; besides, the biogas slurry also contains a large amount of soluble nitrogen, phosphorus, potassium and other substances which are necessary nutrient substances for crop growth, and the biogas slurry is also a necessary nutrient substance for growth and propagation of aquatic organisms.
However, with the intensive and large-scale development of livestock and poultry breeding, a large amount of breeding wastewater is intensively discharged, and most areas in south of China of biogas slurry generated by anaerobic fermentation are generally difficult to be matched with sufficient cultivated land for utilization and consumption.
The southern fishpond and the mountain valley are more, the fishpond constructed by utilizing the types is simple in design and low in investment, and after excrement is subjected to anaerobic fermentation, the produced biogas slurry can remove more than 98% of pathogenic bacteria and insect eggs in the excrement, but the pollution concentration in the wastewater is higher along with the limit of the discharge amount of livestock and poultry breeding wastewater, and NH of the biogas slurry produced by the anaerobic fermentation 3 Up to more than 1000mg/l, and can easily cause fish NH in the fishpond if being directly used for fish culture in the fishpond 3 And death due to poisoning. Therefore, the biogas-grass-fish combined biogas slurry for fish culture is safe and reliable, and has universal application significance.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model aims to
In order to realize the purpose, the technical scheme of the utility model is as follows: the fish pond utilizing the biogas slurry aquaculture comprises a pond stem which is inclined and surrounds the periphery of the fish pond to form a rectangle, a water inlet layer, a water adjusting layer and a water discharging layer are sequentially arranged from a high position to a low position along a water level in the fish pond, a planting layer for planting hybrid pennisetum is arranged from the water adjusting layer to the top of the pond stem, the planting layer faces towards the inner side of the fish pond, and the planting layer is provided with a transverse biogas slurry water inlet drip irrigation pipe.
Furthermore, the biogas slurry water inlet drip irrigation pipe comprises a water inlet and a water outlet, the water outlet faces the root of the hybrid pennisetum alopecuroides, a drip hole is formed in the length of every 50cm of the biogas slurry water inlet drip irrigation pipe, and the outer surface of the biogas slurry water inlet drip irrigation pipe is wrapped with a damp cloth.
Further, the water adjusting layer is provided with a water level adjusting discharge pipe for controlling the water level.
Furthermore, a drainage pipeline penetrates through the drainage layer, the cross section of the drainage pipeline is L-shaped, the drainage pipeline comprises a transverse pipe and a vertical pipe which are connected with each other, the transverse pipe is located inside the fish pond, the vertical pipe is located outside the fish pond, and the opening of the vertical pipe faces upwards.
Further, the water level of the fish pond comprises a catching water level and a breeding water level, a pond stem at the intersection of the catching water level and the breeding water level is provided with a platform, and an aeration device is placed on the surface of the platform.
Furthermore, the outlet of the water inlet of the biogas slurry water inlet drip irrigation pipe is provided with an adjusting valve.
Further, the area of the fishpond is 1.5-3.0 mu, and the water storage capacity is 2000-5000 m 3 。
Has the advantages that: 1. the biogas slurry enters the water inlet drip irrigation pipe through the biogas slurry and is provided with a drip hole every 50cm, a layer of damp cloth covers the outside of the drip irrigation pipe, the biogas slurry flowing out of the water inlet drip irrigation pipe is uniformly infiltrated into a soil layer of hybrid pennisetum planted on the slope surface under drip irrigation through the damp cloth, then the soil of the soil layer and the root system of the hybrid pennisetum are absorbed and filtered, the biogas slurry is infiltrated into the fish pond, the entering amount of the biogas slurry in the fish pond is controlled to adjust the nutrient content in water, and meanwhile, good conditions are created for the growth of aerobic microorganisms and fishes by increasing the oxygen in the water of the fish pond through the aeration of the aeration device, and the growth and the propagation of plankton are promoted.
2. The biogas slurry is used for planting grass and culturing fish, and a food chain consisting of organic matters, bacteria, algae, plankton, fish and the like is mainly used for quickly and fully utilizing the nutrient substances in the biogas slurry to provide nutrient substances and water for the grass; provides rich bait for fish. The method has the characteristics of low capital investment, bait saving, low breeding cost, high yield, good benefit and convenient management, and can solve the environmental problem.
Drawings
FIG. 1 is a schematic diagram of the structure of the fish pond of the present invention;
FIG. 2 is a top view of FIG. 1 in accordance with the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a fishpond 1, a biogas slurry water inlet drip irrigation pipe 2, a water level adjusting discharge pipe 3, a drain pipe 4, an aeration device 5, hybrid pennisetum alopecuroides 6, a drip hole 7, a humidity-reducing cloth 8 and a water inlet pipe 9.
Example one
The embodiment is substantially as shown in figures 1, 2 and 3 of the accompanying drawings: a fishpond for aquaculture with biogas slurry, please refer to fig. 1, which comprises the following steps:
1) prefabricating a fish pond, wherein the site selection of the fish pond requires a region with mild climate, good illumination condition and no pollution; biogas slurry water inlet drip irrigation pipes are arranged on the periphery of the upper part of the inner side of the fishpond, a water level adjusting and discharging pipe for controlling the water level is arranged on one side of the upper part of the fishpond, a water discharging pipe is arranged at the bottom of the fishpond, a multifunctional aeration device is installed in the fishpond, and hybrid pennisetum alopecuroides is planted on the downhill surface of the biogas slurry water inlet drip irrigation pipe on the inner side of the pond ridge; the biogas slurry inlet drip irrigation pipe is provided with a drip hole every 50cm long, a layer of damp cloth covers the outside of the drip irrigation pipe, biogas slurry flowing out of the drip irrigation pipe through the biogas slurry inlet drip irrigation pipe uniformly permeates soil layers of hybrid pennisetum planted on the slope under drip irrigation through the damp cloth, and the biogas slurry seeps into the fish pond after soil on the soil layers and root systems of the hybrid pennisetum are absorbed and filtered, so that the entering amount of the biogas slurry in the fish pond is controlled to adjust the nutrition content in water.
The area of the oxidation pond is 1.5 mu, and the water storage capacity is 1600m 3 ～2300m 3 And 2) planting pennisetum hydridum 6 with the width of about 80cm on the downhill surface of the biogas slurry water inlet drip irrigation pipe 2 around the inner side of the pond ridge, after the pond ridge is fully filled with water, starting to enter the biogas slurry, and starting an aeration device 5 to culture plankton and aerobic microorganisms in the water;
3) biogas slurry is continuously introduced into the fish pond 1 through a biogas slurry inlet drip irrigation pipe 2 24 hours a day, the biogas slurry accounts for about 0.15 percent of the actual total water amount of the fish pond 1, the biogas slurry is generated by anaerobic fermentation of a biogas pool from pig farm excrement sewage, and more than 98 percent of pathogenic bacteria and insect eggs in excrement can be removed through the anaerobic fermentation, so that the safe utilization of biogas slurry for fish culture is ensured; n, P, K and organic matters in the biogas slurry are absorbed and filtered by the hybrid pennisetum 6 planted on the downhill surface of the biogas slurry water inlet drip irrigation pipe 2 on the inner side of the pond ridge, so that the growth of the hybrid pennisetum 6 is promoted, meanwhile, plankton and microorganisms quickly propagate in the biogas slurry permeating into the fish pond 1 under the action of gas supply and microorganism inoculation of the aeration device 5, and bait is indirectly provided for fish.
4) The method is characterized in that hybrid pennisetum 6 is planted on the slope surface of the biogas slurry water inlet drip irrigation pipe 2, which is about 80cm wide, around the inner side of the pond ridge, the pond ridge is divided into 30 parts in summer, 1 part of the pond ridge is cut every day and put into a fishpond 1 for fish feeding, and 1 part of the pond ridge is put into the fishpond 1 for fish feeding in 2 days in winter.
5) 2 fishpond mounted aeration devices 5 (aeration devices 5 include but are not limited to the equipment in CN 105636913B); when the water temperature is above 18 ℃, the floating biomass in the fishpond 1 is controlled to be about 20mg/L, the dissolved oxygen is controlled to be above 4.5mg/L, and the pH value is controlled to be 6.8.
In the embodiment, 2 oxygen increasing machines (including but not limited to model YG-120) are installed on 1.5 mu of water surface, and the installed capacity is 2.2 KW.
Example two
A biogas-grass-fish oxidation pond structure comprises the following steps:
1) prefabricating a fish pond 1, wherein the site selection of the fish pond 1 needs a region with mild climate, good illumination condition and no pollution; the periphery of the upper part of the inner side of the fishpond 1 is provided with a biogas slurry water inlet drip irrigation pipe 2, one side of the upper part of the fishpond 1 is provided with a water level control and adjusting discharge pipe 3, the bottom of the fishpond 1 is provided with a water discharge pipe 4, an aeration device 5 is arranged in the fishpond 1, and hybrid pennisetum alopecuroides 6 is planted on the downhill surface of the biogas slurry water inlet drip irrigation pipe 2 on the inner side of the pond ridge;
the area of the oxidation pond is 1.7 mu, and the water storage capacity is 2300m 3 ～2600m 3 After the water is fully stored, the biogas slurry starts to enter, and the multifunctional shallow aeration device 5 is started to culture plankton and aerobic microorganisms in the water;
2) biogas slurry is continuously introduced into the fish pond 1 through a biogas slurry inlet pipe 9 24 hours a day, the biogas slurry accounts for about 0.17 percent of the actual total water amount of the fish pond 1, the biogas slurry is generated by anaerobic fermentation of a biogas pool from pig farm excrement sewage, more than 98 percent of pathogenic bacteria and insect and disease eggs in excrement can be removed by the anaerobic fermentation, and the safe utilization of biogas slurry for fish culture is ensured; the biogas slurry contains 1.4 g.kg < -1 > of organic matter, 0.3 g.kg < -1 > of total N, CODcr: 650mg/L, ammonia nitrogen: 350mg/L, total phosphorus: 26 mg/L. The biogas slurry provides nutrient substances and water for the hybrid pennisetum, directly provides nutrient substances such as amino acid, peptide protein and the like for the fish, and simultaneously, plankton and microorganism are rapidly propagated under the action of gas supply and microorganism inoculation of the multifunctional shallow aerator through N, P, K and organic matters in the biogas slurry, so that bait is indirectly provided for the fish.
3) The method is characterized in that hybrid pennisetum 6 is planted on the slope surface of the biogas slurry water inlet drip irrigation pipe 2, which is about 80cm wide, around the inner side of the pond ridge, the pond ridge is divided into 30 parts in summer, 1 part of the pond ridge is cut every day and put into a fishpond 1 for fish feeding, and 1 part of the pond ridge is put into the fishpond 1 for fish feeding in 2 days in winter.
4) The water surface of the fishpond 1 is 1135m2, and 52 shallow multifunctional aerobic aeration devices are arranged; when the water temperature is 25 ℃, the floating biomass in the fishpond 1 is controlled to be 35mg/L, the dissolved oxygen is controlled to be 6mg/L, and the pH value is controlled to be 7.2.
In this embodiment, 2 oxygen-increasing machines are installed on 1.7 mu of water surface, and the installed capacity is 2.2 KW.
EXAMPLE III
A biogas-grass-fish oxidation pond structure comprises the following steps:
1) prefabricating a fish pond 1, wherein the site selection of the fish pond 1 requires a region with mild climate, good illumination condition and no pollution; biogas slurry water inlet drip irrigation pipes 2 are arranged on the periphery of the upper part of the inner side of the fishpond 1, a water level control and adjusting discharge pipe 3 is arranged on one side of the upper part of the fishpond 1, a water discharge pipe 4 is arranged at the bottom of the fishpond 1, an aeration device 5 is arranged in the fishpond 1, and hybrid pennisetum 6 is planted on the downhill surface of the biogas slurry water inlet drip irrigation pipe 2 on the inner side of the fishpond ridge;
the area of the oxidation pond is 2.0 mu, and the water storage capacity is 2600m 3 ～3000m 3 After the water is fully stored, the biogas slurry starts to enter, and the multifunctional shallow aeration device 5 is started to culture plankton and aerobic microorganisms in the water;
2) biogas slurry is continuously introduced into the fish pond 1 through a biogas slurry inlet pipe 9 24 hours a day, the biogas slurry accounts for about 0.2% of the actual total water amount of the fish pond 1, the biogas slurry is generated by anaerobic fermentation of a biogas pool from pig farm excrement sewage, more than 98% of pathogenic bacteria and insect and disease eggs in excrement can be removed by the anaerobic fermentation, and the safe utilization of biogas slurry for fish culture is ensured; the biogas slurry contains 1.80 g.kg < -1 > of organic matter, 0.50 g.kg < -1 > of total N, CODcr: 1000mg/L, ammonia nitrogen: 400.0mg/L, total phosphorus: 35.0 mg/L. The biogas slurry provides direct nutrients such as amino acid, peptide protein and the like for the fishes, and plankton and microorganism are rapidly propagated under the action of gas supply and microorganism inoculation of the multifunctional shallow aerator through N, P, K and organic matters in the biogas slurry to indirectly provide baits for the fishes.
3) The pond ridge is divided into 30 parts in summer, 1 part is cut every day and put into a fishpond for feeding fish, and 1 part is put into the fishpond for feeding fish in winter 2 days.
4) The water surface of the fishpond 1 is 1000m 2 In the above, more than two aeration devices 5 are installed;
controlling the floating biomass in the fishpond 1 to be 40mg/L, the dissolved oxygen to be 6.5mg/L, the water temperature to be 32 ℃ and the pH value to be 7.8.
In this embodiment, 2 oxygen-increasing machines are installed on 2.0 mu of water surface, and the installed capacity is 2.2 KW.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be pointed out that, for the person skilled in the art, without departing from the structure of the invention, several variants and modifications can be made, which should also be regarded as the scope of protection of the invention, which will not affect the effectiveness of the implementation of the invention and the utility of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. The utility model provides an utilize natural pond liquid aquaculture's pond which characterized in that: the cultivation method comprises the steps of enclosing the pond stalk which is inclined into a rectangle along the periphery of the fish pond, sequentially dividing the high position to the low position along the water level in the fish pond into a water inlet layer, a water adjusting layer and a water draining layer, arranging a planting layer for planting the hybrid pennisetum on the top of the water adjusting layer to the pond stalk, enabling the planting layer to face the inner side of the fish pond, and arranging a transverse biogas slurry water inlet drip irrigation pipe on the planting layer.
2. The fishpond for aquaculture with biogas slurry according to claim 1, wherein the biogas slurry comprises: the biogas slurry water inlet drip irrigation pipe comprises a water inlet and a water outlet, the water outlet faces the root of the hybrid pennisetum alopecuroides, a drip hole is formed in the length of every 50cm of the biogas slurry water inlet drip irrigation pipe, and the outer surface of the biogas slurry water inlet drip irrigation pipe is wrapped with damp-proof cloth.
3. The fishpond utilizing biogas slurry aquaculture of claim 2, wherein: the water level adjusting layer is provided with a water level adjusting discharge pipe for controlling the water level.
4. The fishpond utilizing biogas slurry aquaculture of claim 3, wherein: the drainage pipe penetrates through the drainage layer, the cross section of the drainage pipe is L-shaped, the drainage pipe comprises a transverse pipe and a vertical pipe which are connected with each other, the transverse pipe is located inside the fish pond, the vertical pipe is located outside the fish pond, and the opening of the vertical pipe faces upwards.
5. The fishpond utilizing biogas slurry aquaculture according to claim 4, wherein the biogas slurry aquaculture pond comprises: the water level of the fish pond comprises a catching water level and a breeding water level, a pond stalk at the intersection of the catching water level and the breeding water level is provided with a platform, and an aeration device is placed on the surface of the platform.
6. The fishpond utilizing biogas slurry aquaculture according to claim 5, wherein the biogas slurry aquaculture pond comprises: the water inlet and the water outlet of the biogas slurry water inlet drip irrigation pipe are provided with regulating valves.
7. The fishpond utilizing biogas slurry aquaculture of claim 6, wherein: the area of the fishpond is 1.5-3.0 mu, and the water storage capacity is 2000-5000 m 3 。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114051969A (en) * | 2021-12-10 | 2022-02-18 | 福建省农业科学院农业工程技术研究所 | Fishpond for aquaculture by using marsh |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114051969A (en) * | 2021-12-10 | 2022-02-18 | 福建省农业科学院农业工程技术研究所 | Fishpond for aquaculture by using marsh |
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Effective date of registration: 20231019 Address after: Room 2302, Building 1, No. 30 Wulong Jiangnan Avenue, Shangjie Town, Minhou County, Fuzhou City, Fujian Province, 350100 Patentee after: Fujian Huachuang Lvdong Renewable Resources Recycling and Utilization Co.,Ltd. Address before: 350003 No. 54 North 247 Road, Fujian, Fuzhou Patentee before: INSTITUTE OF AGRICULTURAL ENGINEERING TECHNOLOGY, FUJIAN ACADEMY OF AGRICULTURAL SCIENCES |
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