CN209740919U - Excrement recycling device for high-density aquaculture - Google Patents

Excrement recycling device for high-density aquaculture Download PDF

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CN209740919U
CN209740919U CN201920090872.XU CN201920090872U CN209740919U CN 209740919 U CN209740919 U CN 209740919U CN 201920090872 U CN201920090872 U CN 201920090872U CN 209740919 U CN209740919 U CN 209740919U
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treatment
sleeve
excrement
tank
small
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周秋白
朱长生
张正洲
王自蕊
张文平
杨竹青
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Jiangxi Agricultural University
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Jiangxi Agricultural University
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Abstract

The utility model discloses a high density aquaculture excrement and urine cyclic utilization device belongs to the dirty processing field of excrement. The device comprises a solid-liquid separation unit and an excrement treatment unit; the solid-liquid separation unit comprises a feces discharge channel, a small manure separation tank, a sleeve, a small water pipe, a bracket and a solid-liquid separation filter bag, and the feces treatment unit comprises an algae treatment No. 1 pool, a tubificidae treatment pool, an algae treatment No. 2 pool, a cladocera treatment pool and a microorganism treatment pool; the device can not only realize breeding the zero release of waste water, effectively solves the environmental problem that the aquaculture process brought, but also can effectively utilize excrement and urine, and changing waste into valuables improves the comprehensive utilization of resource.

Description

excrement recycling device for high-density aquaculture
Technical Field
The utility model relates to a excrement and urine utilizes device, concretely relates to high density aquaculture excrement and urine cyclic utilization device belongs to the dirty processing field of excrement.
background
The development of intensive high-density culture technology plays an important role in the future aquaculture industry. However, the high-density cultured animals have serious self-pollution due to the large amount of excrement and urine discharge, so that the balance of a natural ecological system in an aquaculture water body is broken, conditioned pathogens are changed into pathogenic bacteria due to the unbalance of the ecological system, the disease resistance of the aquatic animals is reduced, and the pathogenic bacteria are more easily infected. A large amount of culture wastewater is generated by changing a large amount of water, and the wastewater is directly discharged into natural water bodies such as rivers, lakes, seas and the like without any treatment, so that the natural water bodies are eutrophicated, substrates are damaged, diseases are frequent, and the ecological system of the natural water bodies is damaged.
Currently, aquaculture wastewater treatment does not adopt solid-liquid separation, and mainly mixes and adopts together: physical techniques such as bulk water exchange, aeration, filtration, precipitation, adsorption, air flotation, etc.; chemical techniques such as flocculation, neutralization, complexation, redox, ozone disinfection, and the like; biotechnology, such as adding or culturing photosynthetic bacteria, bacillus, actinomycetes, multi-bacteria composite microbial preparation, aquatic plants, vegetables, flowers and the like in aquaculture wastewater; however, the technologies have the problems of water resource waste, high energy consumption, complex system, complex operation and the like.
At present, the aquaculture industry is developed at a high speed, the aquaculture wastewater is discharged randomly, and the natural water body is seriously polluted, so the discharge of the aquaculture wastewater must be treated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high density aquaculture excrement and urine cyclic utilization device can not only effectively solve the environmental problem that the aquaculture process brought, but also can effectively utilize excrement and urine, and changing waste into valuables improves the comprehensive utilization of resource.
the utility model provides a technical scheme as follows:
a high-efficiency excrement recycling device for high-density aquaculture comprises an excrement solid-liquid separation unit and an excrement treatment unit; the excrement solid-liquid separation unit is positioned above the excrement treatment unit;
The solid-liquid separation unit comprises a feces discharge channel, a small manure separation tank, a sleeve, a small water pipe, a bracket and a solid-liquid separation filter bag; the further excrement discharging channel is positioned at the top end of the rear side tank wall of the No. 1 algae treatment tank, the small manure distributing tank is fixed on the rear side tank wall of the No. 1 algae treatment tank, and one end of the further excrement discharging channel is communicated with the upper end of the small manure distributing tank;
the bottom of the small septic tank is provided with 3 channels which respectively correspond to one tubificidae treatment unit, each channel consists of a small water pipe, a sleeve, a solid-liquid separation filter bag and a bracket, the bracket is arranged below the solid-liquid separation filter bag and used for supporting the solid-liquid separation filter bag, the radian of the bracket is semicircular, and the radian is matched with that of the sleeve; 2 sleeve pipes are arranged in each channel, a first sleeve pipe is positioned at the bottom of the small septic tank but does not penetrate through the small septic tank, the first sleeve pipe is fixed with the small septic tank through nails, a second sleeve pipe is positioned on the tank wall at the rear side of the tubificidae treatment tank but does not penetrate through the tank wall, and the second sleeve pipe is fixed with the tubificidae treatment tank through nails; 2 small water pipes are arranged in each channel, wherein the first small water pipe is positioned at the bottom of the small septic tank and penetrates through the small septic tank, and the second small water pipe is positioned on the tank wall at the rear side of the tubificidae treatment tank and penetrates through the tank wall; the bracket is characterized in that the first small water pipe is positioned in the first sleeve, the second small water pipe is positioned in the second sleeve, and two ends of the bracket are respectively sleeved in the first sleeve and the second sleeve and can rotate in the sleeves; two ends of the solid-liquid separation filter bag are respectively sleeved on the small water pipe I and the small water pipe II and are fastened through ropes; the horizontal height of the first small water pipe is higher than that of the second small water pipe.
furthermore, the height of the first sleeve is higher than that of the second sleeve, when one end of the bracket completely enters the first sleeve, the other end of the bracket can be just sleeved into the second sleeve, and when one end of the bracket completely enters the second sleeve due to the action of gravity, the bracket can be sleeved in the first sleeve and the second sleeve without falling off due to the fact that the height of the first sleeve is higher than that of the second sleeve, and the bracket can rotate.
furthermore, a plurality of leakage holes are formed in one side of the bracket, and the amount of waste liquid entering the No. 1 algae treatment pool in the solid-liquid separation filter bag can be controlled by rotating the bracket;
The excrement solid-liquid separation unit has the following functions: animal metabolic waste and non-metabolic waste can be treated separately. The metabolic waste is toxic to animals and is nutrient, flows into the No. 1 algae treatment pond and is treated by algae (plants); the non-metabolic waste excrement solid matters flow into a tubificidae treatment pool and are treated and utilized by tubificidae with strong digestion capacity;
the excrement treatment unit comprises an algae treatment No. 1 pool, a tubificidae treatment pool, an algae treatment No. 2 pool, a cladocera treatment pool and a microorganism treatment pool; further, the bottom horizontal heights of the No. 1 algae treatment pond and the tubificidae treatment pond are the same and higher than the bottom horizontal heights of the No. 2 algae treatment pond and the cladocera treatment pond, and the bottom horizontal heights of the No. 2 algae treatment pond and the cladocera treatment pond are the same and higher than the bottom horizontal height of the microorganism treatment pond.
The No. 1 algae treatment pool is mainly used for treating waste liquid separated in the solid-liquid separation filter bag, treating the waste liquid by adopting an algae culture mode, and collecting algae periodically, wherein the algae can be one or two of diatom and dinoflagellate; when the waste liquid in the No. 1 pool for algae treatment is full, pumping half of the waste liquid from the bottom of the No. 1 pool for algae treatment to a cladocera treatment pool for further treatment by a water pump;
the water earthworm treatment tank is used for treating the excrement of aquatic animals, the aquatic animals are used for culturing water earthworms, and the water earthworms are collected periodically; the tubificidae treatment pool is divided into 3 treatment units, the treatment units are mutually independent, and a filter screen is arranged at the outlet of each treatment unit to prevent tubificidae from climbing out; one side of the tubificidae treatment pool is provided with a waste liquid circulation channel, and when the waste liquid in the circulation channel reaches the height of the bottom of the filter screen at the outlet of the treatment unit, the waste liquid is pumped into the No. 2 pool for algae treatment by a water pump;
The No. 2 algae treatment pond is used for treating waste liquid in the tubificidae treatment pond, treating the waste liquid in an algae culture mode, and collecting algae periodically, wherein the algae can be one or two of diatom and dinoflagellate; when the waste liquid in the No. 2 pool for treating the algae is full, pumping half of the waste liquid from the bottom of the No. 2 pool for treating the algae to the cladocera treatment pool through a water pump;
The cladocera treatment pool is used for treating algae in the No. 1 pool and the No. 2 pool by using the algae, culturing cladocera by using waste liquid of the No. 1 pool and the No. 2 pool by using the algae, and periodically collecting the cladocera, wherein the cladocera is one or more of daphnia gymnadenia, daphnia sisalata and brachionus; when the waste liquid in the cladocera treatment pool is full, a water pump pumps half of the waste liquid from the bottom of the cladocera treatment pool to the microorganism treatment pool.
The microorganism treatment pond is used for further purifying the waste liquid after the algae treatment, the cladocera treatment and the tubificidae treatment, and discharging the purified waste liquid into the culture water body again to realize the culture waste water circulation after the purified waste liquid reaches the standard for the culture water.
Advantageous effects
1. The utility model has ingenious conception, solid-liquid separation is carried out on the high-density aquaculture excrement, then the high-density aquaculture excrement is processed in a layered step-by-step manner and then enters the aquaculture water again, zero emission is realized in the whole process, and the effect of recycling waste is achieved;
2. The excrement solid-liquid separation unit at the tail end of the excrement discharging channel can separately treat animal metabolic waste and non-metabolic waste. The metabolic waste is toxic to animals, is a nutrient and is treated by algae; non-metabolic waste excrement solid is recycled by adopting tubificidae with strong digestion capacity;
3. the utility model provides a high density aquaculture fecal treatment system can not only effectively handle the excrement and urine that the aquaculture in-process produced, reaches the purpose of zero release, thoroughly solves the environmental problem that aquaculture brought, can carry out make full use of with the excrement and urine in the aquaculture moreover, utilizes the tubificidae, cladocera and the alga of nutrient growth such as nitrogen phosphorus in excrement and urine and the breed waste liquid to be very good aquatic products seed bait, has effectively improved aquaculture efficiency and has accomplished resource maximize and utilize.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the fecal treatment unit of the present invention;
FIG. 3 is a schematic structural view of the solid-liquid separation apparatus of the present invention;
FIG. 4 is a schematic structural diagram of the solid-liquid separation device of the present invention;
In the figure: 1-excrement discharge channel, 2-small septic tank, 3-solid-liquid separation structure, 4-algae treatment No. 1 tank, 5-tubificidae treatment tank, 6-algae treatment No. 2 tank, 7-cladocera treatment tank, 8-microorganism treatment tank, 9-filter screen, 31-small water pipe I, 32-small water pipe II, 33-sleeve pipe I, 34-sleeve pipe II, bracket 35, leak hole 351 and solid-liquid separation filter bag 36.
Detailed Description
A high-efficiency excrement recycling device for high-density aquaculture comprises an excrement solid-liquid separation unit and an excrement treatment unit; the excrement solid-liquid separation unit is positioned above the excrement treatment unit;
the solid-liquid separation unit comprises a feces discharge channel 1, a small manure separation tank 2, a first small water pipe 31, a second small water pipe 32, a first sleeve 33, a second sleeve 34, a bracket 35 and a solid-liquid separation filter bag 36; a further excrement discharging channel 1 is positioned at the top end of the rear side tank wall of the No. 1 algae treatment tank 4, the small manure distributing tank 2 is fixed on the rear side tank wall of the No. 1 algae treatment tank 4, and one end of the further excrement discharging channel 1 is communicated with the upper end of the small manure distributing tank 2;
the bottom of the small septic tank 2 is provided with 3 channels which respectively correspond to one tubificidae treatment unit, each channel consists of a small water pipe I31, a small water pipe II 32, a sleeve I33, a sleeve II 34, a bracket 35 and a solid-liquid separation filter bag 36, the bracket 35 is arranged below the solid-liquid separation filter bag 36 and is used for lifting the solid-liquid separation filter bag 36, the radian of the bracket 35 is semicircular, and the radian is matched with the radians of the sleeve I33 and the sleeve 234; 2 sleeves are arranged in each channel, a first sleeve 33 is positioned at the bottom of the small manure-dividing tank 2 but does not penetrate through the small manure-dividing tank 2, the first sleeve 33 is fixed with the small manure-dividing tank 2 through nails, a second sleeve 34 is positioned on the rear side tank wall of the tubificidae treatment tank 5 but does not penetrate through the tank wall, and the second sleeve 34 is fixed with the tubificidae treatment tank 5 through nails; 2 small water pipes are arranged in each channel, a first small water pipe 31 is positioned at the bottom of the small septic tank 2 and penetrates through the small septic tank 2, and a second small water pipe 32 is positioned on the tank wall at the rear side of the tubificidae treatment tank 5 and penetrates through the tank wall; the first small water pipe 31 is positioned in the first sleeve 33, the second small water pipe 32 is positioned in the second sleeve 34, and two ends of the bracket 35 are respectively sleeved in the first sleeve 33 and the second sleeve 34 and can rotate in the sleeves; two ends of the solid-liquid separation filter bag 36 are respectively sleeved on the first small water pipe 31 and the second small water pipe 32 and are fastened through ropes; the first small water pipe 31 is higher than the second small water pipe 32 in horizontal height.
further, the first sleeve 33 is higher than the second sleeve 34, when one end of the bracket 35 completely enters the first sleeve 33, the other end of the bracket 35 can be just sleeved into the second sleeve 34, and when one end of the bracket 35 completely enters the second sleeve 34 due to the action of gravity, the bracket 35 can be sleeved in the first sleeve 33 and the second sleeve 34 without falling down and can rotate due to the fact that the first sleeve 33 is higher than the second sleeve 34.
furthermore, a plurality of leakage holes 351 are formed in one side of the bracket 35, and the amount of waste liquid entering the No. 1 pool 4 for algae treatment in the solid-liquid separation filter bag 36 can be controlled by rotating the bracket 35;
the excrement solid-liquid separation unit has the following functions: animal metabolic waste and non-metabolic waste can be treated separately. The metabolic waste is toxic to animals and is nutrient, flows into the No. 1 algae treatment pond 4, and is treated by algae (plants); the non-metabolic waste excrement solid matters flow into a tubificidae treatment pool and are treated and utilized by tubificidae with strong digestion capacity;
The excrement treatment unit comprises an algae treatment No. 1 pool 4, a tubificidae treatment pool 5, an algae treatment No. 2 pool 6, a cladocera treatment pool 7 and a microorganism treatment pool 8; further, the bottom levels of the algae treatment pond No. 1 4, the tubificidae treatment pond 5, the algae treatment pond No. 2, the cladocera treatment pond 7 and the microorganism treatment pond 8 are different, specifically, the bottom levels of the algae treatment pond No. 1 and the tubificidae treatment pond 5 are the same and the highest, the bottom levels of the algae treatment pond No. 2 and the cladocera treatment pond 7 are the second, and the bottom level of the microorganism treatment pond 8 is the lowest.
The No. 1 algae treatment pool 4 is mainly used for treating waste liquid separated in the solid-liquid separation filter bag 36, treating the waste liquid in an algae culture mode, and collecting algae periodically, wherein the algae can be one or two of diatom and dinoflagellate; when the waste liquid in the algae treatment No. 1 pool 4 is full, pumping half of the waste liquid from the bottom of the algae treatment No. 1 pool 4 to a cladocera treatment pool 7 for further treatment by a water pump;
The tubificidae treatment tank 5 is used for treating the excrement of the aquatic animals, breeding tubificidaes by adopting the excrement of the aquatic animals, and collecting the tubificidaes at regular intervals; the tubificidae treatment pool is divided into 3 treatment units, the treatment units are mutually independent, and a filter screen 9 is arranged at the outlet of each treatment unit to prevent tubificidae from climbing out; one side of the tubificidae treatment tank 5 is a waste liquid circulation channel, and when the waste liquid in the circulation channel reaches the height of the bottom of the filter screen 9 at the outlet of the treatment unit, the waste liquid is pumped into the No. 2 algae treatment tank 6 by a water pump;
The No. 2 algae treatment pond 6 is used for treating waste liquid in the tubificidae treatment pond, treating the waste liquid in an algae culture mode, and collecting algae periodically, wherein the algae can be one or two of diatom and dinoflagellate; when the waste liquid in the No. 2 algae treatment pool 6 is full, pumping half of the waste liquid from the bottom of the No. 2 algae treatment pool 6 to the cladocera treatment pool 7 through a water pump;
The cladocera treatment pool 7 is used for culturing cladocera by utilizing algae in the No. 1 pool 4 and the No. 2 pool 6 for treating algae and waste liquid in the No. 1 pool 4 and the No. 2 pool 6 for treating algae, and periodically collecting cladocera, wherein the cladocera is one or more of daphnia gymnadena, daphnia sisifolia and brachionus; when the waste liquid in the cladocera treatment tank 7 is full, a half of the waste liquid is pumped from the bottom of the cladocera treatment tank 7 to the microorganism treatment tank 8 through a water pump.
The microorganism treatment pool 8 is used for further purifying the waste liquid after the algae treatment, the cladocera treatment and the tubificidae treatment, and discharging the purified waste liquid into the culture water body again to realize the culture waste water circulation after the purified waste liquid reaches the standard for the culture water.
the utility model discloses a concrete operation is:
1. the method comprises the following steps of pumping aquatic animal excrement in a high-density aquaculture water body into an excrement discharge channel 1 through an excrement suction pump and the like, enabling the excrement and waste liquid to enter a small manure separation channel 2 through the excrement discharge channel 1, enabling the excrement and the waste liquid to enter a solid-liquid separation structure 3 through a channel at the bottom of the small manure separation channel 2, enabling part of water in the excrement to leak into an alga treatment No. 1 pool 4 through a solid-liquid separation filter bag 36 through a leakage hole 351 in one side of a bracket 35 to serve as alga nutrient solution to culture algae in the pool, collecting the algae periodically, and pumping half of the waste liquid from the bottom of the alga treatment No. 1 pool 4 to a cladocera treatment pool 7 for further treatment through a water pump when the waste liquid in the alga treatment No.; the excrement separated by the solid-liquid separation filter bag 36 flows into the tubificidae treatment tank 5 through the solid-liquid separation filter bag 36, the tubificidae carries out utilization treatment on the excrement, and the tubificidae is collected regularly and can be used as live bait for aquatic offspring seeds; if the waste liquid in the excrement discharging channel 1 needs to be reduced to enter the pool 4 for treating the algae No. 1, the angle of the bracket 35 is rotated, so that the side, with the leakage hole 351, of the bracket 35 faces to the left or the right, and if the waste liquid needs to be increased to enter the pool 4 for treating the algae No. 1, the angle of the bracket 35 is rotated, so that the side, with the leakage hole 351, of the bracket 35 faces downwards;
2. after the aquatic animal feces are treated by the tubificidae treatment tank 5, the waste liquid enters a waste liquid flow channel in the tubificidae treatment tank 5 through a filter screen 9, and when the waste liquid in the flow channel reaches the height of the bottom of the filter screen 9 at the outlet of the treatment unit, the waste liquid is pumped into a No. 2 pool 6 for algae treatment through a water pump; when the waste liquid in the No. 2 algae treatment pool 6 is full, pumping half of the waste liquid from the bottom of the No. 2 algae treatment pool 6 to a cladocera treatment pool 7 through a water pump by a water pump for further treatment;
3. the waste liquid after the first-stage treatment in the algae treatment No. 1 pool 4 and the algae treatment No. 2 pool 6 and the second-stage treatment in the cladocera treatment pool 7 finally enters a microorganism treatment pool 8, the waste liquid is subjected to third-stage purification in the microorganism treatment pool, and the purified waste liquid enters the aquaculture water body again after reaching the standard for aquaculture water, so that the aquaculture wastewater circulation is realized;
4. the tubificidae, cladocera and algae which are regularly collected are used as the aquaculture bait for the aquatic offspring seeds, so that the efficient cyclic utilization of the excrement and the wastewater is realized, and the zero emission of the excrement of the high-density aquaculture is realized.

Claims (6)

1. A high-density aquaculture excrement recycling device is characterized by comprising a solid-liquid separation unit and an excrement treatment unit;
the excrement solid-liquid separation unit is positioned above the excrement treatment unit;
The solid-liquid separation unit comprises a feces discharge channel (1), a small manure separation tank (2), a first small water pipe (31), a second small water pipe (32), a first sleeve (33), a second sleeve (34), a bracket (35) and a solid-liquid separation filter bag (36);
the excrement treatment unit comprises an algae treatment pond No. 1 (4), a tubificidae treatment pond (5), an algae treatment pond No. 2 (6), a cladocera treatment pond (7) and a microorganism treatment pond (8).
2. the high-density aquaculture excrement recycling device according to claim 1, wherein the excrement discharging channel (1) is located at the top end of the rear side wall of the algae treatment No. 1 pond (4), the small manure distributing tank (2) is fixed on the rear side wall of the algae treatment No. 1 pond (4), and one end of the excrement discharging channel (1) is communicated with the upper end of the small manure distributing tank (2).
3. the high-density aquaculture excrement recycling device according to claim 1, characterized in that the bottom of the small septic tank (2) is provided with 3 channels respectively corresponding to a tubificidae treatment unit, each channel is composed of a small water pipe I (31), a small water pipe II (32), a sleeve I (33), a sleeve II (34), a bracket (35) and a solid-liquid separation filter bag (36), the bracket (35) is arranged below the solid-liquid separation filter bag (36) and used for supporting the solid-liquid separation filter bag (36), the radian of the bracket (35) is semicircular, and the radian is adapted to the radians of the sleeve I (33) and the sleeve II (34); the first sleeve (33) is positioned at the bottom of the small septic tank (2) but does not penetrate through the small septic tank (2), the first sleeve (33) is fixed with the small septic tank (2) through nails, the second sleeve (34) is positioned on the rear side tank wall of the tubificidae treatment tank (5) but does not penetrate through the tank wall, and the second sleeve (34) is fixed with the tubificidae treatment tank (5) through nails; 2 small water pipes are arranged in each channel, a first small water pipe (31) is positioned at the bottom of the small septic tank (2) and penetrates through the small septic tank (2), and a second small water pipe (32) is positioned on the rear side tank wall of the tubificidae treatment tank (5) and penetrates through the tank wall; the small water pipe I (31) is positioned in the sleeve I (33), the small water pipe II (32) is positioned in the sleeve II (34), and two ends of the bracket (35) are respectively sleeved in the sleeve I (33) and the sleeve II (34); two ends of the solid-liquid separation filter bag (36) are respectively sleeved on the first small water pipe (31) and the second small water pipe (32), and the horizontal height of the first small water pipe (31) is higher than that of the second small water pipe (32).
4. a high density aquaculture stool recycling device according to claim 1, characterized in that one side of the bracket (35) is provided with a plurality of weep holes (351).
5. the high-density aquaculture excrement recycling device according to claim 1, wherein the bottom levels of the algae treatment pond (4) No. 1 and the tubificidae treatment pond (5) are the same and higher than the bottom levels of the algae treatment pond (6) No. 2 and the cladocera treatment pond (7), and the bottom levels of the algae treatment pond (6) No. 2 and the cladocera treatment pond (7) are the same and higher than the bottom level of the microorganism treatment pond (8).
6. The high-density aquaculture excrement recycling device according to claim 1, wherein the tubificidae treatment tank (5) is divided into 3 treatment units, the treatment units are independent from each other, and a filter screen (9) is arranged at the outlet of each treatment unit.
CN201920090872.XU 2019-01-21 2019-01-21 Excrement recycling device for high-density aquaculture Active CN209740919U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109626748A (en) * 2019-01-21 2019-04-16 江西农业大学 A kind of high-density aquiculture excrement recycling device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109626748A (en) * 2019-01-21 2019-04-16 江西农业大学 A kind of high-density aquiculture excrement recycling device
CN109626748B (en) * 2019-01-21 2024-05-14 江西农业大学 High-density aquaculture excrement recycling device

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