CN117223668B - Paddy field shrimp culture device and method - Google Patents
Paddy field shrimp culture device and method Download PDFInfo
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- CN117223668B CN117223668B CN202311332280.1A CN202311332280A CN117223668B CN 117223668 B CN117223668 B CN 117223668B CN 202311332280 A CN202311332280 A CN 202311332280A CN 117223668 B CN117223668 B CN 117223668B
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- 241000238557 Decapoda Species 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 241000209094 Oryza Species 0.000 claims abstract description 48
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 48
- 235000009566 rice Nutrition 0.000 claims abstract description 48
- 239000007921 spray Substances 0.000 claims abstract description 14
- 238000009395 breeding Methods 0.000 claims abstract description 9
- 230000001488 breeding effect Effects 0.000 claims abstract description 8
- 239000010865 sewage Substances 0.000 claims description 30
- 238000011010 flushing procedure Methods 0.000 claims description 20
- 239000002689 soil Substances 0.000 claims description 14
- 238000005507 spraying Methods 0.000 claims description 11
- 210000002421 cell wall Anatomy 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 7
- 238000009966 trimming Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009313 farming Methods 0.000 claims 5
- 241000238017 Astacoidea Species 0.000 abstract description 78
- 230000008569 process Effects 0.000 abstract description 6
- 210000002700 urine Anatomy 0.000 abstract description 6
- 238000012136 culture method Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract 1
- 239000010794 food waste Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000007790 scraping Methods 0.000 description 5
- 230000009194 climbing Effects 0.000 description 4
- 230000004083 survival effect Effects 0.000 description 4
- 241000195493 Cryptophyta Species 0.000 description 3
- 241000238631 Hexapoda Species 0.000 description 3
- 235000017537 Vaccinium myrtillus Nutrition 0.000 description 3
- 244000078534 Vaccinium myrtillus Species 0.000 description 3
- 238000012258 culturing Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012364 cultivation method Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 235000013409 condiments Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000575 pesticide Substances 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
- 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
Abstract
The invention belongs to the technical field of rice field shrimp culture, and particularly relates to a rice field shrimp culture device and a rice field shrimp culture method. In the process of breeding, when red crayfish moves and eat in the breed groove, the excrement and urine that red crayfish produced can directly fall into the collecting vat through the net hole of breed groove bottom to realized excrement and urine and fodder residue and red crayfish's separation, when red crayfish excrement and fodder residue in the collecting vat reaches a certain amount, open the flashboard and let in the clear water through the wash pipe in to the collecting vat, thereby make red crayfish excrement and fodder residue can be followed the collecting vat and finally discharge the breed groove through the blow off pipe under the impact of spray pipe, thereby improved the clearance efficiency to red crayfish excrement and fodder residue in the breed groove.
Description
Technical Field
The invention belongs to the technical field of rice field shrimp culture, and particularly relates to a rice field shrimp culture device and a rice field shrimp culture method.
Background
Paddy field shrimp, as the name implies, are cultivated by utilizing the paddy field environment to cultivate red crayfish while planting rice. The planting environment of the rice is the same as the growing environment of the red crayfish, and the growing environment of the rice contains rich algae and insects, so that the red crayfish can provide rich nutrients for the red crayfish, meanwhile, the red crayfish not only can remove the algae and insects, but also can provide rich nutrients for the rice, and the red crayfish can effectively improve the planting environment of the rice, so that the yield and quality of the rice can be improved while the pesticide and fertilizer application amount is reduced. Therefore, the cultivation mode is gradually popularized.
When the existing rice field shrimp are cultivated, because the red crayfish has higher requirements on water quality, excessive red crayfish feces and food residues in the rice field need to be cleaned regularly. However, the existing cultivation mode is to excavate a water tank with a certain depth in the rice field and cultivate the red crayfish in the water tank, and the wall of the water tank is generally soil, so that the cleaning of the excrement and the food residues of the red crayfish is troublesome and difficult.
Therefore, it is necessary to solve the above problems by inventing a rice field shrimp culture apparatus and a rice field shrimp culture method.
Disclosure of Invention
The invention provides a rice field shrimp breeding device and a rice field shrimp breeding method aiming at the problems, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a paddy field shrimp breeding device, includes four V-arrangement breeds the groove, four breed the groove and enclose into a rectangle, the bottom of breeding the groove is the horizontal design, and breeds the bottom cell wall of groove and be the design of leaking the net, the bottom of breeding the groove is provided with rather than length assorted collecting vat, the top of collecting vat is the open design, the one end of collecting vat is connected with the blow off pipe, and blow off pipe and collecting vat mutually perpendicular, the one end top that the blow off pipe kept away from the collecting vat is slided and is pegged graft and have the flashboard, be provided with the wash pipe in the collecting vat, the bilateral symmetry of wash pipe is connected with a plurality of spray pipes, and the water outlet end of spray pipe is to the direction slope that is close to the blow off pipe;
two fixing rods are vertically arranged on the inner wall of the bottom of the culture tank, the bottom of each fixing rod is detachably connected with the inner wall of the bottom of the culture tank, a fixed shaft is vertically and fixedly connected between the two fixing rods close to the top end, and a plurality of feeding components are mounted on the fixed shaft.
Further, the outer side groove wall of the culture groove is higher than the inner side groove wall of the culture groove, and the tops of the inner groove wall and the outer groove wall of the culture groove are inclined in a direction away from each other.
Further, throw the material subassembly and including throwing the flitch, throw the middle part of flitch and be hollow design, the bottom fixedly connected with L shape's of flitch elasticity buckle, the clearance of elasticity buckle opening part is less than the diameter of fixed axle, and the opening part of elasticity buckle is to keeping away from the direction slope of flitch bottom, elasticity buckle is located the flitch of throwing and keeps away from one side in the breed groove outside, and elasticity buckle rotation joint on the fixed axle, the top of throwing the flitch flushes with the top of the inboard cell wall of breed groove, and throw the flitch under the initial condition for the horizontality, the top of throwing the flitch and keeping away from fixed axle one side is equipped with spacing, spacing fixedly connected with is on the inside wall in the breed groove outside, it articulates there is the riser to throw one side that the flitch is close to the fixed axle, the one side of flitch is kept away from to throw the flitch is taken at the top of the inboard cell wall of breed groove.
Further, two strip-shaped protrusions are arranged at the bottom of the limiting strip in parallel, the cross sections of the strip-shaped protrusions are triangular, the top surfaces of the strip-shaped protrusions are inclined downwards, and the two strip-shaped protrusions are not in contact with the feeding plate.
Further, the feeding plate is close to the bellied one side slip grafting of bar and has the fly leaf with feeding plate length assorted, and the fly leaf can with two protruding contacts of bar, the buoyancy that the feeding plate produced is greater than the gravity sum of its own gravity and fly leaf, the fly leaf is close to bellied one side fixedly connected with rubber and scrapes the strip, the length of rubber scrapes the length assorted of strip and feeding plate.
Further, the top of the inner side groove wall of the culture groove is fixedly connected with a mud guard, the mud guard is positioned at the outer side of the culture groove, and the mud guard is inclined downwards.
Further, the top of the mud guard and the inner wall of the inner side groove wall of the culture groove are horizontally and fixedly connected with a plurality of strip-shaped anti-skidding bulges which are uniformly distributed.
Further, the top of flushing pipe is equipped with a plurality of guard plates, and is a plurality of the guard plates are located the top of many pairs of spray pipes respectively, and the bottom of guard plate is inclined to the direction at spray pipe place, the equal perpendicular fixedly connected with clamping axle in both sides of guard plate, a row of draw-in groove with clamping axle assorted has evenly been seted up to the top position of collecting vat both sides cell wall, and the guard plate passes through the cooperation rotation of clamping axle and draw-in groove and connects between collecting vat both sides inner wall.
Further, the top of throwing the flitch fixedly connected with U-shaped protruding, and the bellied opening of U-shaped is towards spacing in the direction that locates.
The invention also provides a cultivation method using the cultivation device of the rice field shrimp, which comprises the following steps:
step one: digging the edge area of the paddy field to form an annular water tank, wherein the digging depth is 28-30cm;
step two: trimming the inner and outer trough walls of the trough, so that the inner and outer trough walls of the trough incline away from each other, and trimming the outer trough wall of the trough so that the height difference between the trough wall and the top of the inner trough wall is kept between 12 and 15 cm;
step three: an annular sewage draining groove is excavated on the inner wall of the bottom of the water tank, a sewage draining outlet and a water inlet are reserved at the positions, close to four corners, of the sewage draining groove, and the sewage draining outlet and the water inlet are communicated with the outside of the paddy field;
step four: firstly, placing four collecting tanks with four sides of which the lengths and depths are matched with those of the four collecting tanks into the sewage tank, penetrating and inserting sewage pipes of the four collecting tanks into reserved sewage outlets, and burying the sewage pipes with soil;
step five: placing a flushing pipe in the four collecting tanks, enabling the water inlet end of the flushing pipe to penetrate through the reserved water inlet, and burying the flushing pipe with soil;
step six: placing four culture tanks with the sizes matched with the water tank into the water tank, and compacting the bottom of the culture tanks with the top of the collecting tank;
step seven: the fixed shaft and the feeding plate are sequentially arranged in the culture tank;
step eight: and (3) planting rice in the rice field, and making the water level in the rice field higher than the inner groove wall of the culture groove, and putting shrimp seedlings into the culture groove for culture after the seedlings turn green.
The invention has the technical effects and advantages that:
1. in the cultivation process, when the red crayfish moves in the cultivation tank and eats, the excrement produced by the red crayfish can directly fall into the collection tank through the net hole at the bottom of the cultivation tank, so that the excrement and the feed residues are separated from the red crayfish, when the excrement and the feed residues in the collection tank reach a certain amount, the flashboard is opened and clear water is introduced into the collection tank through the flushing pipe, so that the excrement and the feed residues of the red crayfish can be discharged out of the cultivation tank along the collection tank and finally through the sewage pipes under the impact of the water spraying pipe, and the cleaning efficiency of the excrement and the feed residues of the red crayfish in the cultivation tank is improved;
2. when the red crayfish gathers at the top of the feeding plate to eat, along with the increase of the quantity of the red crayfish, the feeding plate can gradually deflect downwards under the action of pressure, the movable plate also gradually stretches out of the feeding plate under the action of gravity, at the moment, the feed originally falling at the top of the feeding plate can slide downwards along the tops of the feeding plate and the movable plate, at the moment, due to the existence of the strip-shaped protrusions, the falling feed can be blocked by the strip-shaped protrusions at the top, and when the movable plate deflects to the strip-shaped protrusions at the bottom along with the increase of the deflection angle of the feeding plate, the feed can fall on the strip-shaped protrusions at the bottom, so that the feeding area of the red crayfish when the feed directly falls into the excrement of the red crayfish at the bottom of the culture tank is increased, the situation that the red crayfish is snatched due to the excessive gathering is avoided, and the survival rate of the red crayfish is improved;
3. the rubber scraping strips are arranged on the movable plate, when the feeding plate deflects downwards under the pressure of the red crayfish during the next feeding, the rubber scraping strips can scrape the tops of the two strip-shaped bulges in sequence, so that the residual feed and the excrement generated during the feeding of the red crayfish last time are scraped downwards to the bottom of the culture tank, fall into the collection tank through the net hole at the bottom of the culture tank, are convenient to clean together during the next cleaning of the collection tank, ensure the cleaning of the interior of the culture tank, and improve the survival rate and quality of the red crayfish;
4. when the cultivation tank is installed, the inner tank wall of the cultivation tank is opposite to the planting area of the rice field, so that in-process of the red crayfish climbing to the cultivation tank is inevitably carried into the cultivation tank, at the moment, the mud guard is arranged between the rice field and the cultivation tank, the mud guard downwards forms a slope which can effectively prevent soil in the rice field from falling into the cultivation tank under the drive of the red crayfish, and therefore the condition that soil blocks meshes at the bottom of the cultivation tank can be avoided, and meanwhile the soil in the rice field can be prevented from being cleaned when the excrement of the red crayfish is cleaned.
Drawings
FIG. 1 is a first overall construction schematic of the present invention;
FIG. 2 is a second overall construction schematic of the present invention;
FIG. 3 is a perspective view of the structure of the culture tank, the collecting tank, the blow-off pipe, the feeding component and the like in the invention;
FIG. 4 is a perspective view of a culture tank, a mud guard, a fixed rod, a fixed shaft, a limit bar and a bar-shaped protrusion;
FIG. 5 is a schematic perspective view of a collection trough, drain, flush pipe, spray pipe and ram according to the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic perspective view of a feeding assembly, a U-shaped protrusion and a rubber scraper bar according to the present invention;
fig. 8 is a schematic perspective view of a feeding assembly, a U-shaped protrusion, a movable plate and a rubber scraper bar according to the present invention.
In the figure: 1. a cultivation tank; 2. a collection tank; 3. a blow-down pipe; 4. a flashboard; 5. a flushing pipe; 6. a water spray pipe; 7. a fixed rod; 8. a fixed shaft; 9. a feeding assembly; 91. a feeding plate; 92. an elastic buckle; 93. a limit bar; 94. a butt strap; 10. a bar-shaped protrusion; 11. a movable plate; 12. a rubber scraping strip; 13. a mud guard; 14. a slip preventing protrusion; 15. a protection plate; 16. a clamping shaft; 17. a clamping groove; 18. u-shaped protrusion.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments.
The invention provides a rice field shrimp culture device shown in figures 1 to 8, which comprises four V-shaped culture tanks 1, wherein the four culture tanks 1 are enclosed into a rectangle, the bottom of each culture tank 1 is horizontally designed, the bottom tank wall of each culture tank 1 is designed as a drain net, the bottom of each culture tank 1 is provided with a collecting tank 2 with the length matched with that of the corresponding culture tank, the top of each collecting tank 2 is designed as an opening, one end of each collecting tank 2 is connected with a drain pipe 3, the drain pipes 3 are mutually perpendicular to the collecting tanks 2, a flashboard 4 is slidably inserted into the top of one end of each drain pipe 3 far away from the corresponding collecting tank 2, a flushing pipe 5 is arranged in each collecting tank 2, a plurality of water spraying pipes 6 are symmetrically connected to the two sides of each flushing pipe 5, and the water outlet ends of the water spraying pipes 6 incline towards the direction close to the drain pipes 3;
two dead levers 7 are vertically arranged on the inner wall of the bottom of the culture tank 1, the bottom of the dead lever 7 is detachably connected with the inner wall of the bottom of the culture tank 1, a fixed shaft 8 is vertically and fixedly connected between the two dead levers 7 and the top end, a plurality of feeding components 9 are arranged on the fixed shaft 8, the outer side tank wall of the culture tank 1 is higher than the inner side tank wall of the culture tank, and the tops of the inner tank wall and the outer tank wall of the culture tank 1 incline towards the direction far away from each other.
The feeding assembly 9 comprises a feeding plate 91, the middle part of the feeding plate 91 is of a hollow design, the bottom of the feeding plate 91 is fixedly connected with an L-shaped elastic buckle 92, a gap at the opening of the elastic buckle 92 is smaller than the diameter of the fixed shaft 8, the opening of the elastic buckle 92 is inclined towards the direction away from the bottom of the feeding plate 91, the elastic buckle 92 is positioned at one side of the feeding plate 91 away from the outer side of the culture tank 1, the elastic buckle 92 is rotationally clamped on the fixed shaft 8, the top of the feeding plate 91 is flush with the top of the inner side tank wall of the culture tank 1, the feeding plate 91 is in a horizontal state in the initial state, the top of the feeding plate 91 away from one side of the fixed shaft 8 is provided with a limiting strip 93, the limiting strip 93 is fixedly connected onto the inner side wall of the outer side of the culture tank 1, one side of the feeding plate 91 close to the fixed shaft 8 is hinged with a lapping plate 94, and one side of the lapping plate 94 away from the feeding plate 91 is lapped on the top of the inner side tank wall of the culture tank 1;
after the cultivation tank 1, the collecting tank 2, the flushing pipe 5 and other equipment are installed, after seedlings return to the green, the red crayfish is put into the cultivation tank 1 for cultivation, in the cultivation process, the water level in the paddy field is kept to be eight to ten centimeters higher than the feeding plate 91, and in the cultivation process, the red crayfish can freely move back and forth in the paddy field and the cultivation tank 1 along the inner groove wall of the cultivation tank 1, when the red crayfish moves in the paddy field, algae and insects in the paddy field can be used as food for the red crayfish, at the moment, excrement generated when the red crayfish predates or moves in the paddy field can well provide fertilizer for rice, so as to help rice growth, but along with the gradual growth of the red crayfish, the food amount of the red crayfish is gradually increased, a certain amount of feed is required to be manually fed to the top of the feeding plate 91, but the red crayfish positioned in the paddy field cannot quickly come to the feeding plate 91 to the top of the cultivation plate, and the red crayfish can be prevented from falling to the top of the feeding plate 91 at the moment;
when the red crayfish moves towards the feeding plate 91 under the attraction of feed smell, the red crayfish can climb to the top of the feeding plate 91 through the access plate 94 to carry out feeding activities, and as the quantity of the red crayfish at the top of the feeding plate 91 increases, the pressure of the red crayfish on the feeding plate 91 gradually increases, at the moment, the feeding plate 91 can gradually incline downwards, at the moment, the red crayfish can fall into the culture tank 1 along the top of the feeding plate 91, and part of feed can fall onto the outer side tank wall of the culture tank 1, so that the phenomenon that the red crayfish robs and fights due to excessive aggregation can be avoided;
because the fed feed is positioned in the area of the culture tank 1, when the red crayfish moves in the culture tank 1 and eats, excrement can be generated and falls on the inner wall of the bottom of the culture tank 1, at the moment, part of the excrement can directly fall into the collecting tank 2 through the net hole at the bottom of the culture tank 1, and the rest of the excrement and feed residues can be dialled into the collecting tank 2 by the red crayfish when the red crayfish climbs along the groove wall at the bottom of the culture tank 1, so that the excrement and feed residues are separated from the red crayfish, the health of the red crayfish is prevented from being influenced by the bacteria bred in the feed residues and the excrement, and the quality of the red crayfish is improved;
when the excrement and the feed residues of the red crayfish in the collecting tank 2 reach a certain amount, the flashboard 4 is opened, clear water is introduced into the collecting tank 2 through the flushing pipe 5, and then the excrement and the feed residues of the red crayfish in the collecting tank 2 can enter the sewage discharging pipe 3 along the collecting tank 2 under the impact of the water spraying pipe 6 and finally are discharged out of the culturing tank 1 through the sewage discharging pipe 3 of the sewage discharging pipe 3, so that the cleaning efficiency of the excrement and the feed residues of the red crayfish in the culturing tank 1 is improved, and after the cleaning is finished, the flashboard 4 is closed, and the water level in the culturing tank 1 is maintained.
As shown in fig. 3 to 8, two bar-shaped protrusions 10 are arranged at the bottom of the limiting bar 93 in parallel, the cross section of each bar-shaped protrusion 10 is triangular, the top surfaces of the bar-shaped protrusions 10 are inclined downwards, the two bar-shaped protrusions 10 are not in contact with the feeding plate 91, a movable plate 11 matched with the length of the feeding plate 91 is inserted into one side, close to the bar-shaped protrusions 10, of the feeding plate 91 in a sliding manner, the movable plate 11 can be in contact with the two bar-shaped protrusions 10, the buoyancy generated by the feeding plate 91 is greater than the sum of the gravity of the movable plate 11 and the self-gravity, a rubber scraping bar 12 is fixedly connected to one side, close to the bar-shaped protrusions 10, of the movable plate 11, and the length of the rubber scraping bar 12 is matched with the length of the feeding plate 91;
when the red crayfish gathers at the top of the feeding plate 91 to eat, along with the increase of the quantity of the red crayfish, the pressure born by the feeding plate 91 is gradually increased, at the moment, the feeding plate 91 can gradually deflect downwards under the action of the pressure, the movable plate 11 also gradually stretches out of the feeding plate 91 under the action of the gravity, at the moment, the feed originally falling at the top of the feeding plate 91 can slide downwards along the tops of the feeding plate 91 and the movable plate 11, at the moment, due to the existence of the strip-shaped protrusions 10, the falling feed can be blocked by the strip-shaped protrusions 10 at the top, and when the movable plate 11 deflects to the strip-shaped protrusions 10 at the bottom along with the increase of the deflection angle of the feeding plate 91, the feed can fall on the strip-shaped protrusions 10 at the bottom, so that the feed is prevented from directly falling into the red crayfish excrement at the bottom of the culture tank 1, and pollution and waste of the feed are caused;
in addition, as not all the red crayfish can climb to the top of the feeding plate 91 through the access plate 94, part of the red crayfish can climb into the culture tank 1 from the side surface of the access plate 94, and at the moment, the feed falling on the two strip-shaped bulges 10 can be fed by the red crayfish climbing into the culture tank 1, so that the feeding area of the red crayfish during feeding is increased, the situation that the red crayfish is snatched and fighted due to excessive aggregation is avoided, and the survival rate of the red crayfish is improved;
in addition, owing to be provided with rubber on fly leaf 11 and scrape strip 12, when feeding the time next time, when throwing flitch 91 and pushing down when deflecting down in red crayfish, rubber is scraped strip 12 and can be scraped two bar protruding 10's tops in proper order to scrape the bottom to breed groove 1 with last time feeding the residual fodder and the excrement and urine that produces when red crayfish feeds, and fall into collecting vat 2 through the mesh opening of breed groove 1 bottom, be convenient for clear up in the lump when clearing up collecting vat 2 next time, guarantee the inside cleanness of breed groove 1, improve red crayfish's survival rate and quality.
As shown in the figure, the top of the inner side groove wall of the culture groove 1 is fixedly connected with a mud guard 13, the mud guard 13 is positioned at the outer side of the culture groove 1, the mud guard 13 is inclined downwards, the top of the mud guard 13 and the inner wall of the inner side groove wall of the culture groove 1 are horizontally and fixedly connected with a plurality of strip-shaped anti-skidding protrusions 14, and the plurality of skidding protrusions 14 are uniformly distributed;
when the culture tank 1 is installed, the inner tank wall of the culture tank 1 is opposite to the planting area of the rice field, so that in the process of climbing the red crayfish to the culture tank 1, soil is inevitably brought into the culture tank 1, at the moment, the mud guard 13 can be shielded between the rice field and the culture tank 1, and a slope formed downwards by the mud guard 13 can effectively prevent soil in the rice field from falling into the culture tank 1 under the drive of the red crayfish, and meanwhile, the soil in the rice field can be prevented from being cleaned together when the excrement of the red crayfish is cleaned while the soil blocks the meshes at the bottom of the culture tank 1;
through all horizontal fixedly connected with a plurality of bar non-slip raised 14 on the inner wall of the inboard cell wall of fender 13 and breed groove 1, its aim at is, the red crayfish of being convenient for crawls, avoids because of the too smooth climbing of inner wall and fender 13 of breed groove 1 produces the influence to the red crayfish.
As shown in fig. 5 and 6, the top of the flushing pipe 5 is provided with a plurality of protection plates 15, the protection plates 15 are respectively positioned at the tops of the pairs of water spraying pipes 6, the bottoms of the protection plates 15 incline towards the direction of the water spraying pipes 6, two sides of each protection plate 15 are vertically and fixedly connected with clamping shafts 16, a row of clamping grooves 17 matched with the clamping shafts 16 are uniformly formed at the top positions of the groove walls at two sides of the collecting groove 2, and the protection plates 15 are rotationally connected between the inner walls at two sides of the collecting groove 2 through the matching action of the clamping shafts 16 and the clamping grooves 17;
through being provided with the guard plate 15, after the wash pipe 5 is placed in the collecting tank 2, the guard plate 15 can be installed at the corresponding position of the top of the spray pipe 6, so that the guard plate 15 can be blocked at the top of the spray pipe 6, and when the excrement and urine of the red crayfish or food residues fall into the collecting tank 2 through the mesh holes on the inner wall of the bottom of the culture tank 1, the guard plate 15 can protect the spray pipe 6, so that the food residues and the excrement and urine of the red crayfish are prevented from being accumulated at the water outlet pipe of the spray pipe 6, and the spray pipe 6 is prevented from being blocked;
in addition, in the water spraying process of the water spraying pipe 6, along with the pushing of the water flow, the protection plate 15 can deflect upwards by taking the clamping shaft 16 as a circle, so that the water flow is guided, the upward bilberry excrement and food residues washed by the water spraying pipe 6 are prevented from being bilged up, the turbidity of a water source is caused, along with the deflection of the protection plate 15, the bilberry excrement and food residues falling on the top of the protection plate 15 can be separated from the protection plate 15 along with the swinging of the protection plate, and the accumulation of the bilberry excrement and the food residues on the top of the protection plate 15 is avoided.
As shown in fig. 3, 7 and 8, the top of the feeding plate 91 is fixedly connected with a U-shaped protrusion 18, and the opening of the U-shaped protrusion 18 faces the direction of the limit bar 93;
through being equipped with U-shaped protruding 18 at the top of throwing flitch 91, after the fodder is put into the top of throwing flitch 91, U-shaped protruding 18 can restrict the fodder, reduces in the in-process that red crayfish eaten, and the fodder is kept away from spacing 93 by the condiment board and is directly fallen to the excrement and urine of the bottom cell wall of breed groove 1 because of the removal of red crayfish, causes the waste and the pollution of fodder.
The invention also provides a cultivation method using the cultivation device of the rice field shrimp, which comprises the following steps:
step one: digging the edge area of the paddy field to form an annular water tank, wherein the digging depth is 28-30cm;
step two: trimming the inner and outer trough walls of the trough, so that the inner and outer trough walls of the trough incline away from each other, and trimming the outer trough wall of the trough so that the height difference between the trough wall and the top of the inner trough wall is kept between 12 and 15 cm;
step three: an annular sewage draining groove is excavated on the inner wall of the bottom of the water tank, a sewage draining outlet and a water inlet are reserved at the positions, close to four corners, of the sewage draining groove, and the sewage draining outlet and the water inlet are communicated with the outside of the paddy field;
step four: firstly, four collecting tanks 2 which are matched with the four sides of the sewage disposal tank in length and depth are put into the sewage disposal tank, sewage disposal pipes 3 of the four collecting tanks 2 are inserted into reserved sewage disposal outlets in a penetrating way, and soil is used for burying the sewage disposal pipes 3;
step five: placing the flushing pipes 5 in the four collecting tanks 2, enabling the water inlet ends of the flushing pipes 5 to penetrate through the reserved water inlets, and burying the flushing pipes 5 with soil;
step six: placing four culture tanks 1 matched with the water tank in size into the water tank, and compacting the bottom of the culture tanks 1 with the top of a collecting tank 2;
step seven: the fixed shaft 8 and the feeding plate 91 are sequentially installed in the culture tank 1;
step eight: and (3) planting rice in the rice field, and making the water level in the rice field higher than the wall of the culture tank 1, and putting shrimp seedlings into the culture tank 1 for culture after the seedlings turn green.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting.
Claims (7)
1. The utility model provides a breeding device of paddy field shrimp, includes four V-arrangement breed groove (1), its characterized in that: the four culture tanks (1) enclose into a rectangle, the bottom of the culture tank (1) is horizontally designed, the bottom tank wall of the culture tank (1) is designed as a drain net, the bottom of the culture tank (1) is provided with a collecting tank (2) matched with the length of the culture tank, the top of the collecting tank (2) is designed as an opening, one end of the collecting tank (2) is connected with a drain pipe (3), the drain pipe (3) is mutually perpendicular to the collecting tank (2), one end top of the drain pipe (3) far away from the collecting tank (2) is slidably inserted with a flashboard (4), a flushing pipe (5) is arranged in the collecting tank (2), two sides of the flushing pipe (5) are symmetrically connected with a plurality of water spraying pipes (6), and the water outlet ends of the water spraying pipes (6) incline towards the direction close to the drain pipe (3);
two fixing rods (7) are vertically arranged on the inner wall of the bottom of the culture tank (1), the bottoms of the fixing rods (7) are detachably connected with the inner wall of the bottom of the culture tank (1), a fixing shaft (8) is vertically and fixedly connected between the two fixing rods (7) close to the top end, and a plurality of feeding components (9) are arranged on the fixing shaft (8);
the feeding assembly (9) comprises a feeding plate (91), the middle of the feeding plate (91) is of a hollow design, the bottom of the feeding plate (91) is fixedly connected with an L-shaped elastic buckle (92), the gap at the opening of the elastic buckle (92) is smaller than the diameter of a fixed shaft (8), the opening of the elastic buckle (92) is inclined towards the direction away from the bottom of the feeding plate (91), the elastic buckle (92) is located at one side, away from the outer side of a culture groove (1), of the feeding plate (91), the elastic buckle (92) is rotationally clamped on the fixed shaft (8), the top of the feeding plate (91) is flush with the top of the inner side groove wall of the culture groove (1), in an initial state, the top, away from the fixed shaft (8), of the feeding plate (91) is provided with a limit bar (93), the limit bar (93) is fixedly connected to the inner wall of the outer side of the culture groove (1), one side, close to the fixed shaft (8), of the feeding plate (91) is hinged with a plate (94), and the top, away from the inner side of the culture groove (94), of the feeding plate (1), is in a lap-up groove (1);
two strip-shaped protrusions (10) are arranged at the bottom of the limiting strip (93) in parallel, the cross sections of the strip-shaped protrusions (10) are triangular, the top surfaces of the strip-shaped protrusions (10) incline downwards, and the two strip-shaped protrusions (10) are not contacted with the feeding plate (91);
the utility model discloses a feeding plate, including strip-shaped bulge (10), feeding plate (91), movable plate (11) that one side that is close to strip-shaped bulge (10) slides and peg graft have with feeding plate (91) length assorted, and movable plate (11) can contact with two strip-shaped bulge (10), the buoyancy that feeding plate (91) produced is greater than the gravity sum of its own gravity and movable plate (11), one side that movable plate (11) is close to strip-shaped bulge (10) fixedly connected with rubber scrapes strip (12), the length of rubber scrapes strip (12) and feeding plate (91) length assorted.
2. A rice field shrimp farming device according to claim 1 wherein: the outer side groove wall of the culture groove (1) is higher than the inner side groove wall of the culture groove, and the tops of the inner groove wall and the outer groove wall of the culture groove (1) incline towards the direction away from each other.
3. A rice field shrimp farming device according to claim 2 wherein: the top of the inner side groove wall of the culture groove (1) is fixedly connected with a mud guard (13), the mud guard (13) is positioned at the outer side of the culture groove (1), and the mud guard (13) is inclined downwards.
4. A rice field shrimp farming device according to claim 3 wherein: the top of the mud guard (13) and the inner wall of the inner side groove wall of the culture groove (1) are horizontally and fixedly connected with a plurality of strip-shaped anti-slip protrusions (14), and the anti-slip protrusions (14) are uniformly distributed.
5. The rice field shrimp farming device of claim 4 wherein: the top of flushing pipe (5) is equipped with a plurality of guard plates (15), and is a plurality of guard plates (15) are located the top of many pairs of spray pipes (6) respectively, and the bottom of guard plate (15) is inclined to spray pipe (6) place direction, equal perpendicular fixedly connected with card axle (16) in both sides of guard plate (15), a row of draw-in groove (17) with card axle (16) assorted are evenly offered to the top position of collecting vat (2) both sides cell wall, and guard plate (15) rotate through the cooperation of card axle (16) with draw-in groove (17) and connect between collecting vat (2) both sides inner wall.
6. A rice field shrimp farming device according to claim 5 wherein: the top of the feeding plate (91) is fixedly connected with a U-shaped bulge (18), and an opening of the U-shaped bulge (18) faces to the direction of the limit strip (93).
7. A method of breeding a rice field shrimp using the rice field shrimp breeding apparatus of claim 6, characterized by: the method comprises the following steps:
step one: digging the edge area of the paddy field to form an annular water tank, wherein the digging depth is 28-30cm;
step two: trimming the inner and outer trough walls of the trough, so that the inner and outer trough walls of the trough incline away from each other, and trimming the outer trough wall of the trough so that the height difference between the trough wall and the top of the inner trough wall is kept between 12 and 15 cm;
step three: an annular sewage draining groove is excavated on the inner wall of the bottom of the water tank, a sewage draining outlet and a water inlet are reserved at the positions, close to four corners, of the sewage draining groove, and the sewage draining outlet and the water inlet are communicated with the outside of the paddy field;
step four: firstly, four collecting tanks (2) which are matched with the four sides of the sewage disposal tank in length and depth are put into the sewage disposal tank, sewage disposal pipes (3) of the four collecting tanks (2) are inserted into reserved sewage disposal outlets in a penetrating way, and soil is used for burying the sewage disposal pipes (3);
step five: placing the flushing pipes (5) in the four collecting tanks (2), enabling the water inlet ends of the flushing pipes (5) to penetrate through the reserved water inlets, and burying the flushing pipes (5) with soil;
step six: four culture tanks (1) with the sizes matched with the water tank are placed into the water tank, and the bottoms of the culture tanks (1) are tightly pressed with the tops of the collecting tanks (2);
step seven: the fixed shaft (8) and the feeding plate (91) are sequentially arranged in the culture tank (1);
step eight: and (3) planting rice in the rice field, and making the water level in the rice field higher than the inner groove wall of the culture groove (1), and putting shrimp seedlings into the culture groove (1) for culture after the seedlings turn green.
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