CN214508814U

CN214508814U - Crab pond

Info

Publication number: CN214508814U
Application number: CN202120203125.XU
Authority: CN
Inventors: 高黄辉
Original assignee: Zhengzhong Road And Bridge Construction Development Co ltd
Current assignee: Zhengzhong Road And Bridge Construction Development Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-10-29
Anticipated expiration: 2031-01-25

Abstract

The utility model relates to an aquaculture facility, especially a crab pond, it includes the pond body, sand soil layer and silt layer have been laid in proper order to pond body bottom surface, pond body edge encloses and is equipped with and prevents escaping the facility, prevent escaping the facility include the mesh plate of T shape with the geotechnological cloth that bonds on the mesh plate, internal afforestation facility and the bait net of still being equipped with in pond, afforestation facility goes up and down including the planting stratum reticulare that is used for planting green plant with being used for planting the formula crane of cutting on stratum reticulare, bait net top is equipped with the oxygen-increasing machine that provides dissolved oxygen for the water. The application has the effect of being convenient for the control of the growth of the aquatic weeds and the cleaning of the redundant aquatic weeds.

Description

Crab pond

Technical Field

The application relates to the field of aquaculture, in particular to a crab pond.

Background

At present, river crab culture generally adopts a pond culture or lake enclosure culture mode, the water level is kept at 1.2-1.5m, sludge at the bottom of a pond of about 0.15m is kept, a crab pond is disinfected, a proper amount of strictly disinfected waterweeds are planted in the pond, escape-preventing facilities are arranged at the edge of the culture pond, the river crab culture can be started, the requirements of the river crab on water quality and food are high, the cleanness of the water quality and the freshness of feed need to be guaranteed in the culture process, the growth range of the waterweeds is controlled, the pest control of the river crab is noticed, and the sludge removal and the disinfection process at the bottom of the pond need to be carried out before crab seedlings are put in every year.

Aiming at the related technologies, the inventor thinks that the defects of complicated cutting and cleaning when the aquatic weeds in the crab pond grow too fast exist.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the control of the growth of the aquatic weeds and the cleaning of redundant aquatic weeds, the application provides a crab pond.

The application provides a crab pond adopts following technical scheme:

a crab pond comprises a pond body, escape-preventing facilities are arranged at the edge of the pond body, a sandy soil layer is laid at the bottom of the pond body, a sludge layer is laid above the sandy soil layer, movable greening facilities are arranged above the sludge layer, and each greening facility comprises a plurality of planting net layers.

By adopting the technical scheme, the sand soil layer and the silt layer are arranged in the pond body, so that the river crabs can dig holes in the sand pulp and the silt, the greening facilities are arranged above the silt layer, a suitable living environment is provided for the river crabs, and the greening plants in the greening facilities are planted in the planting mesh layer, so that the movement of the greening facilities and the cutting and cleaning of the greening plants are facilitated.

Optionally, a scissor-type lifting frame for lifting the planting net layer is connected below the planting net layer.

By adopting the technical scheme, the shear type lifting frame is connected below the planting net layer, so that the planting net layer can be conveniently lifted in a water body, and the growth vigor of green plants on the planting net layer is adapted.

Optionally, the scissor type lifting frame is detachably connected with the planting net layer.

Through adopting above-mentioned technical scheme, will cut formula crane and can dismantle with planting the stratum reticulare and be connected, made things convenient for the dismantlement and the removal of planting the stratum reticulare, made things convenient for planting the cutting and the clearance of afforestation plant on the stratum reticulare, and need not remove simultaneously and cut the formula crane.

Optionally, the bottom end of the shear type lifting frame is connected with a plurality of fixing rods, and the fixing rods are buried in the sandy soil layer and the silt layer.

Through adopting above-mentioned technical scheme, connecting many dead levers at the formula crane lower extreme of cutting to in inserting sandy soil layer and silt layer with the dead lever, strengthened the stability of cutting formula crane and planting the stratum reticulare, prevent to cut formula crane and plant the stratum reticulare and incline and fall under the exogenic action.

Optionally, a sludge interlayer for planting the green plants is clamped between two adjacent planting net layers.

By adopting the technical scheme, the sludge interlayer is arranged between the planting net layers, so that a growth substrate is provided for the green plants, and the planting and fixing of the green plants are facilitated.

Optionally, a bait residue net for feed residues to fall is laid above the sludge layer.

By adopting the technical scheme, the bait slag net is laid above the sludge layer, and the feed is put on the bait slag net, so that the feeding of the river crabs and the collection and cleaning of feed residues are facilitated, and the growth and feeding conditions of the river crabs are optimized.

Optionally, the upper side of the bait slag net is provided with an aerator for supplying oxygen to pond water in the pond body, and the edge of the aerator is connected with a plurality of floating balls.

Through adopting above-mentioned technical scheme, connect the floating ball at the oxygen-increasing machine edge, made things convenient for the oxygen-increasing machine to float in the surface of water top, made things convenient for the work of oxygen-increasing machine, through setting up the oxygen-increasing machine in bait sediment net top for the dissolved oxygen volume in the online top water of bait sediment is higher than the dissolved oxygen volume of other positions, causes river crab to find food near bait sediment net, has improved the edible rate of fodder, has reduced the waste of fodder.

Optionally, the escape prevention facility comprises a mesh plate, and the mesh plate is wrapped with geotextile.

By adopting the technical scheme, the mesh plate is embedded at the edge of the pond body, and the geotextile is coated outside the mesh plate, so that the flowing of the water body is facilitated, and river crabs in the water body are prevented from escaping.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the sand soil layer and the silt layer are arranged in the pond body, so that the river crabs can dig holes in the sand pulp and the silt, the greening facilities are arranged above the silt layer, a proper living environment is provided for the river crabs, and greening plants in the greening facilities are planted in the planting mesh layer, so that the movement of the greening facilities and the cutting and cleaning of the greening plants are facilitated;

2. the shear type lifting frame is connected below the planting net layers, so that the planting net layers can be conveniently lifted in a water body, the height of the green plants on the planting net layers can be adjusted in the water body, the growth vigor of the green plants can be conveniently adapted, and the sludge layers are clamped between the planting net layers, so that the planting and fixing of the green plants are facilitated;

3. through laying the bait sediment net at the internal pond, made things convenient for the collection and the clearance of river crab's fodder residue, through setting up the oxygen-increasing machine in bait sediment net top for the dissolved oxygen volume in near the water body of bait sediment net is higher than the dissolved oxygen volume in the water body of other positions, so that attract river crab to find for food near the bait sediment net, improved the utilization ratio of fodder, reduced the waste of fodder.

Drawings

Fig. 1 is a schematic structural diagram of a crab pond according to an embodiment of the present application.

Fig. 2 is a sectional view of a crab pond according to an embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic structural diagram of a greening facility of a crab pond according to an embodiment of the present application.

Fig. 5 is an enlarged view of a portion B in fig. 4.

Fig. 6 is a schematic structural diagram of a bait screen and an aerator of a crab pond according to an embodiment of the present application.

Description of reference numerals: 1. a pond body; 11. a sandy soil layer; 12. a sludge layer; 13. a water inlet; 14. a water outlet; 2. an anti-escape facility; 21. a mesh plate; 22. geotextile; 3. greening facilities; 31. planting a net layer; 32. an L-shaped hook; 33. a sludge interlayer; 34. a scissor type lifting frame; 341. a slide bar; 342. a chute; 343. fixing grooves; 35. an engaging rod; 36. fixing the rod; 4. a bait slag net; 41. a limiting rod; 5. an aerator; 51. floating balls.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a crab pond. Referring to fig. 1 and 2, the crab pond comprises a pond body 1, a water inlet 13 and a water outlet 14 are formed in the edge of the pond body 1, a sandy soil layer 11 is laid at the bottom of the pond body 1, and a silt layer 12 is laid above the sandy soil layer 11, so that a good aquatic ecological environment is provided for river crabs.

Referring to fig. 2 and 3, the inside of the edge of the pond body 1 is surrounded with an escape-proof facility 2, the escape-proof facility 2 comprises mesh plates 21 and geotextiles 22, one vertically placed mesh plate 21 and one horizontally placed mesh plate 21 are bonded into a T shape, the bottom end of the vertically placed mesh plate 21 is embedded in the sludge of the pond body 1, the embedded length is 20-25cm, the top end of the vertically placed mesh plate 21 is 150cm higher than the surface of the sludge layer 12 and 170cm higher than the surface of the sludge layer 12, the length of one end of the horizontally placed mesh plate 21 facing the inside of the pond body 1 is 20-30cm, the geotextiles 22 are bonded to the vertically placed mesh plate 21 and one side of the horizontally placed mesh plate 21 facing the inside of the pond body 1, and the geotextile 22 bonded to the bottom surface of the horizontally placed mesh plate 21 continues to extend 20-30cm towards the inside of the pond body 1, when river crabs climb upwards along the mesh plates 21, because the one end of the geotextile 22 extending towards the inside of the pond body 1 lacks a supporting force, so that the river crabs are difficult to climb over the top surface of the mesh plate 21 placed horizontally when crawling at the extended end of the geotextile 22, thereby preventing the river crabs from escaping.

Referring to fig. 4 and 5, a plurality of greening facilities 3 are arranged in the pond body 1, each greening facility 3 comprises a plurality of planting net layers 31 and a scissor type lifting frame 34 which is embedded and connected below the planting net layers 31, each scissor type lifting frame 34 comprises two sliding rods 341 and two sliding chutes 342, the sliding rods 341 slide in the sliding chutes 342, a plurality of fixing grooves 343 are formed in the upper sliding chutes 342, when the scissor type lifting frame 34 is lifted upwards, the sliding rods 341 of the scissor type lifting frames 34 slide in the sliding chutes 342, and when the scissor type lifting frame 34 is pressed downwards, the sliding rods 341 above the scissor type lifting frame 34 are embedded into the corresponding fixing grooves 343, so that the height of the scissor type lifting frame 34 is limited.

Referring to fig. 4, an embedding rod 35 is fixedly connected between the top ends of two scissors-type cranes 34, the bottom surface of a planting net layer 31 at the bottom layer is connected with a plurality of L-shaped hooks 32 matched with the embedding rod 35, the planting net layer 31 is placed above the scissors-type cranes 34 and moves, the embedding rod 35 is embedded in the L-shaped hooks 32, the planting net layer 31 and the scissors-type cranes 34 can be embedded and connected, the lower end of the scissors-type crane 34 is connected with a plurality of fixing rods 36, the fixing rods 36 are inserted into a sandy soil layer 11 and a silt layer 12, the scissors-type crane 34 is fixed in a pond body 1, and the scissors-type crane 34 and the planting net layer 31 are prevented from toppling over.

Referring to fig. 4, the same ends of the multiple planting net layers 31 are hinged, and a sludge interlayer 33 is arranged between the planting net layers 31, so that aquatic weeds can be conveniently planted in the planting net layers 31, the aquatic weeds can purify water, dissolved oxygen is provided for the water, and the water can be eaten by river crabs. When the growth amount of the aquatic weeds is small and the aquatic weeds are far away from the water surface, the shear type lifting frame 34 is lengthened, the planting net layer 31 can be lifted, the aquatic weeds are close to the water surface, the illumination of the aquatic weeds is guaranteed, and the aquatic weeds are prevented from being rotten due to insufficient illumination and oxygen deficiency. When the growth amount of the aquatic weeds is larger and the aquatic weeds are too close to the water surface, the shear type lifting frame 34 is shortened, the planting net layer 31 can be lowered, the aquatic weeds are far away from the water surface, and the aquatic weeds are prevented from being rotten due to excessive illumination. When the aquatic weeds are lush and the moving range of the river crabs is reduced, part of the planting net layer 31 is taken down and trimmed and then is installed on the scissor type lifting frame 34 again, or is stored after being cleaned for subsequent use, so that the growth amount of the aquatic weeds can be reduced, and the ecological balance of the water body is maintained.

Referring to fig. 6, a plurality of bait slag nets 4 are laid above the silt layer 12 in the pond body 1, limiting rods 41 are connected to four corners of each bait slag net 4, the limiting rods 41 are inserted into the silt layer 12 and the sandy soil layer 11, and the bait slag nets 4 are fixed in the pond body 1. The feed is put above the bait residue net 4 and is taken down and washed periodically, which is convenient for feeding river crabs and collecting feed residues and ensures the cleanness of the water in the pond body 1.

Referring to fig. 6, all being equipped with oxygen-increasing machine 5 above a plurality of bait sediment nets 4, being connected with a plurality of ball 51 that floats on oxygen-increasing machine 5, guaranteed that oxygen-increasing machine 5 floats and work on the surface of water, improve the dissolved oxygen volume of near bait sediment net 4 water, improved the water quality, prevent that the water from worsening because of the oxygen deficiency, attract more river crabs to forage for food near the activity of bait sediment net 4 simultaneously, increased the utilization ratio of fodder, reduced the waste of fodder.

The implementation principle of the crab pond in the embodiment of the application is as follows: before the river crabs are raised, the redundant silt in the pond body 1 is removed, a sandy soil layer 11 and a silt layer 12 with proper thicknesses are reserved, a T-shaped mesh plate 21 bonded with geotextiles 22 is embedded at the edge of the pond body 1, so that the heights of the sandy soil layer 11 and the mesh plate 21 in the silt layer 12 are 20-30cm and are 170cm higher than the silt layer 12150, and the river crabs are prevented from escaping. A degerming agent and an insecticide are put into the pond body 1, after the drug residue is eliminated, the greening facility 3 which is provided with a sludge interlayer 33 and is planted with aquatic weeds is placed in the pond body 1, a fixing rod 36 connected with the lower end of the scissor type lifting frame 34 is inserted into the sludge layer 12 and the sandy soil layer 11, and the water level is higher than the planting net layer 31. The limiting rods 41 connected with the four corners of the bait slag net 4 are inserted into the silt layer 12 and the sandy soil layer 11, so that the bait slag net 4 is flatly paved above the silt layer 12, the aerator 5 connected with the floating balls 51 is arranged above the bait slag net 4, so that the aerator 5 floats above the bait slag net 4 and works, and the dissolved oxygen in the water in the pond body 1 is ensured to be in an appropriate range.

The method comprises the steps of putting young river crabs into a pond body 1, adjusting the feeding amount of feed in a feed residue net 4 along with the growth period and season of the river crabs, regularly cleaning feed residues in the feed residue net 4 to ensure the freshness and cleanness of the feed of the river crabs, increasing the water level along with the growth period of the river crabs to 150cm, and adjusting the height of a scissor type lifting frame 34 to enable aquatic weeds in a planting net layer 31 to be at a proper height in the process. When the aquatic weeds grow too fast to affect the activities of the river crabs, part of the planting net layer 31 is taken down to be pruned and then put back or cleaned for storage, the growth amount of the aquatic weeds in the pond body 1 is controlled within a reasonable range, and a good growing and foraging environment is provided for the river crabs.

The above is a preferred embodiment of the present application, and the scope of protection of the present application is not limited by the above, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The crab pond comprises a pond body (1), wherein an anti-escape facility (2) is arranged at the edge of the pond body (1), a sandy soil layer (11) is paved at the bottom of the pond body (1), a silt layer (12) is paved above the sandy soil layer (11), and a movable greening facility (3) is arranged above the silt layer (12), and is characterized in that: the greening facility (3) comprises a plurality of planting net layers (31).

2. The crab pond according to claim 1, wherein: a scissor type lifting frame (34) used for lifting the planting net layer (31) is connected below the planting net layer (31).

3. The crab pond according to claim 2, wherein: the scissor type lifting frame (34) is detachably connected with the planting net layer (31).

4. The crab pond according to claim 2, wherein: the bottom end of the shear type lifting frame (34) is connected with a plurality of fixing rods (36), and the fixing rods (36) are buried in the sandy soil layer (11) and the sludge layer (12).

5. The crab pond according to claim 1, wherein: a sludge interlayer (33) for planting green plants is arranged between two adjacent planting net layers (31).

6. The crab pond according to claim 1, wherein: a bait residue net (4) for dropping the feed residues is laid above the sludge layer (12).

7. The crab pond of claim 6, wherein: an aerator (5) used for supplying oxygen to pond water in the pond body (1) is arranged above the bait slag net (4), and a plurality of floating balls (51) are connected to the edge of the aerator (5).

8. The crab pond according to claim 1, wherein: the escape-proof facility (2) comprises a mesh plate (21), and the mesh plate (21) is coated with geotextile (22).