CN105830999A - A high-efficiency breeding equipment for freshwater aquatic products in ponds - Google Patents

Abstract

The invention discloses a pond fresh water aquatic product high-efficiency feeding device which comprises a pond, wherein a plurality of water body partition plates which are connected end to end are arranged in the pond, the water body partition plates are respectively arranged in parallel with corresponding pond edges of the pond, a return water path is formed between each water body partition plate and each pond edge, a partition plate capable of partitioning the return water path is arranged in each return water path, a water filtering device is arranged in each return water path on the other side of each partition plate, the water inlet end of each water filtering device is connected with the water outlet end of a water suction pump, a feeding device is arranged in the pond and comprises a floating platform, an ejection device capable of ejecting materials in a feeding disc out of a feeding seat is arranged on the floating platform, and an oxygen increasing device is arranged at the other end of the floating platform. The invention aims to overcome the defects in the prior art and provide the pond fresh water aquatic product high-efficiency feeding equipment which is simple in structure, good in water quality, less in diseases, good in breeding effect, good in bait dispersibility during feeding and wide in feeding range.

Description

A high-efficiency breeding equipment for freshwater aquatic products in ponds

technical field

The invention relates to high-efficiency rearing equipment for pond freshwater aquatic products.

Background technique

Pond aquaculture is the main aquaculture method in China. Due to the low level of industrial development, the current level of facilities for pond aquaculture is very low. Most aquaculture ponds adopt the traditional pit structure, which has problems such as low aquaculture efficiency and low benefits. In recent years, with the increasing demand for pond aquaculture, facility aquaculture in ponds has become a new direction of development. At present, domestic pond facilities technology is mainly concentrated in the aspects of water intake and drainage facilities, construction of food table, optimization of slope protection, etc., and the effect of improving the energy efficiency of breeding is not high.

In addition, in order to improve the efficiency of breeding work, feeding devices are generally used when feeding feed to the farming area. Due to design defects, the current feeding devices on the market have poor dispersion of bait when feeding, and fish and shrimp need to be concentrated. Eat in a small area. This is not good for feeding.

Therefore, the existing breeding system needs to be further improved.

Contents of the invention

The object of the present invention is to overcome the deficiencies in the prior art and provide a pond freshwater aquatic product high-efficiency rearing equipment with simple structure, good water quality, few diseases, good breeding effect, good bait dispersibility during feeding, and wide feeding range.

In order to achieve the above object, the present invention adopts the following scheme:

A kind of high-efficiency breeding equipment for freshwater aquatic products in ponds, including a pond, in which a plurality of water body partitions connected end to end are arranged, and the water body partitions are respectively arranged in parallel with the corresponding pond sides of the pond, and the water body partitions and A return-shaped waterway is formed between the sides of the pool, and a partition plate capable of cutting off the return-type waterway is provided in the return-type waterway, and an opening connecting the return-type waterway and the inside of the pond is provided on the water partition plate on one side of the partition plate , a water exchange inlet pipe is provided at the bottom of the middle of the pond, the water exchange inlet pipe extends out of the pond and is connected with the pump, and a water filter device is provided in the back-shaped waterway on the other side of the partition board, so The water inlet end of the water filtering device is connected with the water outlet end of the water pump, and a feeding device is provided in the pond, and the feeding device includes a floating platform, and a storage tank is provided on one end of the floating platform. A feeding port is provided below the storage barrel, a control valve capable of controlling the amount of feeding is provided on the feeding port, a feeding tray is provided on the floating platform below the feeding port, and a feeding tray is provided at the front end of the feeding tray. There is a feeding port, and a discharge seat is provided on the floating platform. The feeding port is set on the same side of the discharging seat, and an ejector that can eject the material in the feeding tray out of the discharging seat is provided on the floating platform. device, an oxygen increasing device is provided on the other end of the floating platform.

The high-efficiency breeding equipment for freshwater aquatic products in ponds as described above is characterized in that a positioning rod is provided on the floating platform, and the positioning rod is inserted into the bottom of the pond.

The high-efficiency breeding equipment for pond freshwater aquatic products as described above is characterized in that the aeration device includes a bearing seat arranged on the floating platform, and a rotating shaft is arranged in the bearing seat through a bearing, and the rotating shaft The two ends are respectively provided with a water pumping impeller assembly, and a driving motor capable of driving the rotating shaft to rotate is provided on the floating platform.

The high-efficiency rearing equipment for freshwater aquatic products in ponds as described above is characterized in that the water pumping impeller assembly includes an impeller seat, and a plurality of impeller blades are evenly distributed on the impeller seat.

The high-efficiency rearing equipment for pond freshwater aquatic products as described above is characterized in that several through holes are provided on the impeller blades.

The high-efficiency breeding equipment for freshwater aquatic products in ponds as described above is characterized in that the water filtering device includes a sealed casing, a water inlet pipe is arranged on the upper part of one end of the sealed casing, and a water inlet pipe is arranged on the upper part of the other end of the sealed casing. There is a water outlet pipe, and the first filter cavity, the second filter cavity, the third filter cavity, the fourth filter cavity, the fifth filter cavity and the sixth filter cavity are sequentially arranged in intervals along one end of the water inlet pipe to one end of the water outlet pipe in the sealed housing. Cavity, the lower part of the first filter cavity is provided with a communication port connected with the second filter cavity, the upper part of the second filter cavity is provided with a communication port connected with the third filter cavity, and the lower end of the third filter cavity is provided with A communication port communicating with the fourth filter chamber, a communication port communicating with the fifth filter chamber is provided on the upper part of the fourth filter chamber, and a communication port communicating with the sixth filter chamber is provided at the lower end of the fifth filter chamber , a honeycomb cotton packing layer is provided in the first filter chamber, a bamboo charcoal packing layer is provided in the second filter chamber, a volcanic rock filter material packing layer is provided in the third filter chamber, and a volcanic rock filter material packing layer is provided in the second filter chamber. A loofah filler layer is arranged in the four filter chambers, an ultraviolet sterilizer is arranged in the fifth filter chamber, and an aeration pipe is arranged in the sixth filter chamber, and the aeration pipe is connected with a blower.

The high-efficiency rearing equipment for freshwater aquatic products in a pond as described above is characterized in that an artificial floating bed is provided in the pond, and aquatic plants are planted on the artificial floating bed.

The high-efficiency breeding equipment for pond freshwater aquatic products as described above is characterized in that the ejection device includes a fixed seat fixedly connected to the floating platform, a guide rod is arranged on the fixed seat, and a guide rod is arranged at the rear end of the feeding pan There is a connection hole on the top, the guide rod is set in the connection hole, a spring is set on the guide rod between the rear end of the feeding tray and the fixed seat, and a mounting groove is provided in the floating platform. A front sprocket shaft and a rear sprocket shaft are arranged at intervals in the installation groove, chains are sheathed on the front sprocket shaft and the rear sprocket shaft, a sprocket drive motor is arranged on the floating platform, and a sprocket drive motor is arranged on the sprocket drive The motor is provided with a drive sprocket, a transmission chain is provided between the drive sprocket and the rear sprocket shaft, and a drive dial that can move up and down relative to the chain is provided in the chain. There is a guide limit block in the installation groove that can make the driving block rise so as to drive the feeding tray to move to the fixed seat. The guide inclined surface for the rising of the shifting block, the upper end of the driving shifting block is provided with a giving way inclined surface for easy separation from the feeding tray, and the front end of the feeding tray is provided with a connecting inclined surface matching with the giving way inclined surface, behind the guide limit block The installation groove on the side is provided with a launch drive block that can drive the drive block to separate from the feeding tray. A drive slope that can make the drive block move downward is provided on the launch drive block. There is a limiting inclined surface matched with the driving inclined surface.

The above-mentioned high-efficiency breeding equipment for freshwater aquatic products in ponds is characterized in that an anti-rust coating is provided on the outside of the storage tank, and the anti-rust coating includes the following components by weight percentage:

Mix and stir graphene, strontium chromate, trilead tetroxide, ammonium metaborate, and zinc phosphate evenly, grind in a conical grinder until the fineness is <60 μm, then add silicone modified acrylate emulsion, phthalic acid Dibutyl ester, propylene glycol methyl ether and other components are uniformly dispersed.

Any one of the high-efficiency breeding equipment for pond freshwater aquatic products as described above is characterized in that a corrosion-resistant coating is provided on the outer surface of the floating platform, and the corrosion-resistant coating includes the following components by weight percentage:

Mix fluorinated acrylate and coal tar pitch evenly, stir and heat to 45-60°C, stir for 10-60min, add aluminum tripolyphosphate and zinc citrate, heat to 120-145°C, stir for 3-5h, cool down to 50-60°C, add other components, stir and keep warm for 1-2h, ultrasonically disperse for 10-25min, and grind in a cone grinder until the fineness is <60μm.

The high-efficiency breeding equipment for freshwater aquatic products in ponds as described above is characterized in that a controller is provided on the storage tank, and the controller is respectively connected with the ejection device and the control valve.

The high-efficiency rearing equipment for freshwater aquatic products in ponds as described above is characterized in that a blocking block that can prevent the feeding pan from flying out of the discharging seat is provided on the floating platform.

The high-efficiency rearing equipment for pond freshwater aquatic products as described above is characterized in that a bucket cover is provided on the upper end of the storage bucket. The size of the pond is 13-15 acres.

In summary, the present invention has the beneficial effects relative to the prior art as follows:

1. The structure of the breeding system of the present invention is simple, and a plurality of end-to-end water body partitions are arranged in the pond, and a return-shaped waterway is formed between the water body partition board and the pool edge, and the pond water body circulates and the water exchange rate is high;

Two, the present invention is provided with water treatment device, and described water treatment device can effectively regulate water body quality, thereby improves the survival rate and output of aquatic product, reduces the generation of disease;

3. The structure of the feeding device of the present invention is simple, and the ejection device is installed on the floating platform, which can eject the materials in the feeding tray out of the discharge seat, and the distribution range is wide;

4. In the present invention, the degree of automation is high. It only needs to manually pour the material into the storage tank, and the automatic feeding can be realized by setting the feeding time interval and the feeding amount on the controller, which saves time and effort, and is not affected by the weather. The amount can be precisely controlled, avoiding the waste of bait, scientific breeding;

5. The anti-rust coating in the present invention can effectively prevent the storage tank from being corroded during use, the components of the anti-rust coating are simple, and the anti-rust effect is good;

6. The corrosion-resistant coating in the present invention effectively prevents pool water from corroding the floating platform and effectively prolongs its service life.

7. In the present invention, an oxygen increasing device is provided on the floating platform, which can effectively prevent the occurrence of hypoxia due to too dense fish and shrimps during the feeding process.

Description of drawings

Fig. 1 is the three-dimensional schematic diagram of the present invention;

Fig. 2 is the structural representation of water treatment of the present invention;

Fig. 3 is the three-dimensional schematic view of feeding device of the present invention;

Fig. 4 is one of structural representations of feeding device of the present invention;

Fig. 5 is the second structural representation of the feeding device of the present invention;

Fig. 6 is a schematic cross-sectional view of the feeding device of the present invention.

detailed description

The present invention will be further described below in conjunction with accompanying drawing description and specific embodiment:

A kind of pond freshwater aquaculture high-efficiency raising equipment as shown in Figure 1 to 6, comprises pond 1000, is provided with a plurality of end-to-end water body dividers 2000 in described pond 1000, and described water body divider 2000 is connected with pond respectively 1000 is set in parallel with the corresponding pool side 1001, and a back-shaped waterway 3000 is formed between the water body separator 2000 and the pool side 1001, and a partition plate 4000 capable of cutting off the back-type waterway 3000 is provided in the back-type waterway 3000, and in the The water partition 2000 on one side of the partition board 4000 is provided with an opening 5000 connecting the back-type waterway 3000 and the inside of the pond 1000, and a water exchange inlet pipe 6000 is provided at the middle bottom of the pond 1000, and the water exchange inlet pipe 6000 extends out The pond 1000 is also connected to the water pump 7000, and a water filter device 8000 is provided in the return waterway 3000 on the other side of the partition plate 4000, and the water inlet end of the water filter device 8000 is connected to the water outlet end of the water pump 7000, In the pond 1000, a feeding device 9000 is provided, and the feeding device 9000 includes a floating platform 1, and a storage tank 2 is provided on one end of the floating platform 1, and a feeding tank 2 is provided below the storage tank 2. Port 3, a control valve 9 capable of controlling the amount of material is provided on the feeding port 3, a feeding tray 4 is provided on the floating platform 1 below the feeding port 3, and a feeding tray 4 is provided at the front end of the feeding tray 4. There is a feeding port 5, and a discharge seat 6 is provided on the floating platform 1. The feeding port 5 is arranged on the same side of the discharging seat 6, and a material in the feeding tray 4 is provided on the floating platform 1. The ejection device 7 that ejects the discharge seat 6 is provided with an oxygen increasing device 100 on the other end of the floating platform 1 . In the present invention, the ejection device can eject the materials in the feeding tray out of the discharge seat, and the distribution range is wide.

In the present invention, a positioning rod is provided on the floating platform 1, and the positioning rod is inserted into the bottom of the pond. The size of the pond is 13-15 acres.

In the present invention, the aeration device 100 includes a bearing seat 101 arranged on the floating platform 1, and a rotating shaft 102 is arranged through a bearing in the bearing seat 101, and a water pump is provided at both ends of the rotating shaft 102, respectively. The impeller assembly 103 is provided with a driving motor 104 capable of driving the rotating shaft 102 to rotate on the floating platform 1 .

The water pumping impeller assembly 103 in the present invention includes an impeller seat 105 on which a plurality of impeller blades 106 are evenly distributed.

In the present invention, several through holes 107 are provided on the impeller blade 106 . The through holes 107 are beneficial to increase the volume of the water mist, increase the contact between the water body and the air, and thus increase the oxygen content in the water body.

In the present invention, an artificial floating bed is provided in the pond 1000 near the edge of the pond, and aquatic plants are planted on the artificial floating bed. The spacing between aquatic plants is 0.1-0.5m, and the water surface area covered by aquatic plants does not exceed 20% of the total water surface area of the pond.

The aquatic plants in the artificial floating bed in the present invention help to improve biochemical efficiency and water body purification effect. The "planting" of aquatic plants in the aquaculture water provides an attachment environment for the aquatic colonies, allowing them to grow on the grass in large quantities, establish a complex and stable ecological network in the water body, and digest and decompose the nutrient-rich substances in the water body. A benign biological chain is formed in the region and an ecological balance is achieved. Artificial aquatic plants and their microbial flora also provide fish and shrimps with places to grow, feed and shelter, and create a good ecological environment for them.

The water filtering device 8000 in the present invention includes a sealed casing 8001, a water inlet pipe 8002 is arranged on the upper part of one end of the sealed casing 8001, and a water outlet pipe 8003 is arranged on the upper part of the other end of the sealed casing 8001. In the sealed housing 8001, there are first filter cavity 8004, second filter cavity 8005, third filter cavity 8006, fourth filter cavity 8007, fifth filter cavity 8008, and fourth filter cavity 8003 at intervals from one end of the water inlet pipe 8002 to one end of the water outlet pipe 8003. Six filter chambers 8009, the lower part of the first filter chamber 8004 is provided with a communication port 8010 connected with the second filter chamber 8005, and the upper part of the second filter chamber 8005 is provided with a communication port 8010 connected with the third filter chamber 8006 The lower end of the third filter chamber 8006 is provided with a communication port 8010 connected with the fourth filter chamber 8007, and the upper part of the fourth filter chamber 8007 is provided with a communication port 8010 connected with the fifth filter chamber 8008. The lower end of the filter chamber 8008 is provided with a communication port 8010 communicating with the sixth filter chamber 8009, a honeycomb cotton packing layer 8011 is provided in the first filter chamber 8004, and a bamboo charcoal packing layer is provided in the second filter chamber 8005 8012, a volcanic rock filter material packing layer 8013 is provided in the third filter chamber 8006, a loofah packing layer 8014 is provided in the fourth filter chamber 8007, and an ultraviolet sterilizing layer is provided in the fifth filter chamber 8008. 8015, and an aeration pipe 8016 is provided in the sixth filter cavity 8009, and the aeration pipe 8016 is connected with a blower.

In the present invention, the ejection device 7 includes a fixed seat 71 fixedly connected to the floating platform 1, a guide rod 72 is provided on the fixed seat 71, and a connecting hole is provided on the rear end of the feeding tray 4, so that The guide rod 72 is arranged in the connecting hole, a spring 73 is sleeved on the guide rod 72 between the rear end of the feeding tray 4 and the fixed seat 71, and a mounting groove is provided in the floating platform 1, and the A front sprocket shaft 74 and a rear sprocket shaft 75 are arranged at intervals in the installation groove, a chain 76 is sleeved on the front sprocket shaft 74 and the rear sprocket shaft 75, and a sprocket drive motor 77 is provided on the floating platform 1. On described sprocket drive motor 77, be provided with drive sprocket 78, be provided with drive chain 79 between described drive sprocket 78 and rear sprocket shaft 75, be provided with in described chain 76 and can go up relatively chain 76, The driving block 710 that moves down is provided with a guide limit block 711 that can make the drive block 710 rise so as to drive the feeding tray 4 to move to the fixed seat 71 in the installation groove inside the chain 76. The guide limit block 711 includes a limit block body 7111, on the front end of the limit block body 7111 there is a guiding inclined surface 7112 which can make the driving block 710 rise, and on the upper end of the driving block 710, there is provided a bevel for easy separation from the feeding tray 4 7101, the front end of the feeding tray 4 is provided with a connecting inclined surface 41 that cooperates with the step-off inclined surface 7101, and a launcher that can drive the driving block 710 out of the feeding tray 4 is provided in the installation groove on the rear side of the guide limit block 711. The drive block 8 is provided with a drive slope 81 on the launch drive block 8 to enable the drive block 710 to move downwards, and a limit slope 7102 that cooperates with the drive slope 81 is provided on the lower side of the drive block 710 .

The structure of the present invention is simple, and the driving block 710 can move the feeding tray 4 to the fixed seat 71 during operation with the chain 76, so that the spring 73 is compressed. Next, the driving block 710 is separated from the connection slope 41 at the front end of the feeding tray 4, and under the compression rebound force of the spring 73, the materials in the feeding tray 4 are ejected and spread widely.

In the present invention, the floating platform 1 is provided with a blocking block 10 capable of preventing the feeding pan 4 from flying out of the discharging seat 6 . A barrel cover 11 is provided at the upper end of the storage barrel 2 .

In the present invention, an anti-rust coating is provided on the outside of the storage tank 2, and the anti-rust coating includes the following components by weight percentage:

Preparation method: Mix and stir graphene, strontium chromate, trilead tetraoxide, ammonium metaborate, and zinc phosphate evenly, grind in a conical grinder until the fineness is <60 μm, then add silicone-modified acrylate emulsion, ortho Dibutyl phthalate, propylene glycol methyl ether and other components are uniformly dispersed.

In the present invention, a corrosion-resistant coating is provided on the outer surface of the floating platform 1, and the corrosion-resistant coating includes the following components by weight percentage:

Preparation method: mix fluorinated acrylate and coal tar pitch evenly, stir and heat to 45-60°C, stir for 10-60min, add aluminum tripolyphosphate and zinc citrate, heat to 120-145°C, stir for 3-5h , lower the temperature to 50-60°C, add other components, stir and keep warm for 1-2h, ultrasonically disperse for 10-25min, and grind to a fineness of <60μm in a conical grinder.

In the present invention, a controller 19 is provided on the storage tank 2, and the controller 19 is respectively connected with the ejection device 7, the scraper mechanism 9, and the control valve 9.

In the present invention, the degree of automation is high, only need to manually pour the material into the discharge box, and the automatic feeding can be realized by setting the feeding time interval and feeding amount on the controller, which saves time and effort, is not affected by the weather, and can control the amount of feeding. Precise control avoids the waste of bait.

Example 1 - Anti-rust coating

Antirust coating of the present invention comprises following component by weight percentage:

Preparation method: Mix and stir graphene, strontium chromate, trilead tetraoxide, ammonium metaborate, and zinc phosphate evenly, grind in a conical grinder until the fineness is <60 μm, then add silicone-modified acrylate emulsion, ortho Dibutyl phthalate, propylene glycol methyl ether and other components are uniformly dispersed.

Example 2 - Anti-rust coating

Antirust coating of the present invention comprises following component by weight percentage:

Preparation method: Mix and stir graphene, strontium chromate, trilead tetraoxide, ammonium metaborate, and zinc phosphate evenly, grind in a conical grinder until the fineness is <60 μm, then add silicone-modified acrylate emulsion, ortho Dibutyl phthalate, propylene glycol methyl ether and other components are uniformly dispersed.

Example 3 - Anti-rust coating

Antirust coating of the present invention comprises following component by weight percentage:

Preparation method: Mix and stir graphene, strontium chromate, trilead tetraoxide, ammonium metaborate, and zinc phosphate evenly, grind in a conical grinder until the fineness is <60 μm, then add silicone-modified acrylate emulsion, ortho Dibutyl phthalate, propylene glycol methyl ether and other components are uniformly dispersed.

Example 4 - Corrosion Resistant Coating

Corrosion-resistant coatings include the following components by weight percentage:

Preparation method: Mix fluorinated acrylate and coal tar pitch evenly, stir and heat to 45°C, stir for 10 minutes, add aluminum tripolyphosphate and zinc citrate, heat to 120°C, stir for 3 hours, cool to 50°C, add other The components were stirred and kept for 1 hour, ultrasonically dispersed for 10 minutes, and ground to a fineness of <60 μm in a conical grinder.

Example 5 - Corrosion Resistant Coating

Corrosion-resistant coatings include the following components by weight percentage:

Preparation method: Mix fluorinated acrylate and coal tar pitch evenly, stir and heat to 60°C, stir for 60 minutes, add aluminum tripolyphosphate and zinc citrate, heat to 145°C, stir for 5 hours, cool to 60°C, add other The components were stirred and kept for 2 hours, ultrasonically dispersed for 25 minutes, and ground to a fineness of <60 μm in a conical grinder.

Example 6 - Corrosion Resistant Coating

Corrosion-resistant coatings include the following components by weight percentage:

Preparation method: Mix fluorinated acrylate and coal tar pitch evenly, stir and heat to 50°C, stir for 30 minutes, add aluminum tripolyphosphate and zinc citrate, heat to 13°C, stir for 4 hours, cool to 55°C, add other Components were stirred and kept for 1.5 hours, ultrasonically dispersed for 15 minutes, and ground to a fineness of <60 μm in a conical grinder.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments, and what described in the above-mentioned embodiments and the description only illustrates the principles of the present invention, and the present invention will also have other functions without departing from the spirit and scope of the present invention. Variations and improvements all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A kind of high-efficiency rearing equipment for freshwater aquatic products in ponds, comprising a pond (1000), in which a plurality of end-to-end water partitions (2000) are arranged, and the water partitions (2000) are respectively It is arranged in parallel with the corresponding pool edge (1001) of the pond (1000), and a return-shaped waterway (3000) is formed between the water body partition (2000) and the pool edge (1001), and a return-shaped waterway (3000) is provided inside the A partition plate (4000) capable of separating the return-type waterway (3000), an opening connecting the return-type waterway (3000) and the inside of the pond (1000) is provided on the water body partition (2000) on one side of the partition board (4000) (5000), a water change inlet pipe (6000) is provided at the middle bottom of the pond (1000), and the water change inlet pipe (6000) stretches out from the pond (1000) and is connected with the water pump (7000). A water filtering device (8000) is provided in the back-type waterway (3000) on the other side of the partition board (4000), and the water inlet end of the water filtering device (8000) is connected with the water outlet end of the water pump (7000). The pond (1000) is provided with a feeding device (9000), and the feeding device (9000) includes a floating platform (1), and one end of the floating platform (1) is provided with a storage tank (2). The lower part of the storage barrel (2) is provided with a feeding port (3), and a control valve (9) capable of controlling the amount of feeding is provided on the feeding port (3), and at the feeding port (3) A feeding tray (4) is provided on the floating platform (1) below, a feeding port (5) is provided at the front end of the feeding tray (4), and a discharge seat (6) is provided on the floating platform (1) , the feeding port (5) is arranged on the same side of the discharging seat (6), and an ejection mechanism capable of ejecting the material in the feeding tray (4) out of the discharging seat (6) is provided on the floating platform (1). The device (7) is provided with an oxygen increasing device (100) on the other end of the floating platform (1). 2. A kind of high-efficiency rearing equipment for freshwater aquatic products in ponds according to claim 1, characterized in that the water filtering device (8000) includes a sealed casing (8001), and an upper part of one end of the sealed casing (8001) is provided There is a water inlet pipe (8002), and an outlet pipe (8003) is provided on the upper part of the other end of the sealed casing (8001). One end is successively provided with a first filter cavity (8004), a second filter cavity (8005), a third filter cavity (8006), a fourth filter cavity (8007), a fifth filter cavity (8008) and a sixth filter cavity ( 8009), the lower part of the first filter chamber (8004) is provided with a communication port (8010) connected with the second filter chamber (8005), and the upper part of the second filter chamber (8005) is provided with the third filter chamber ( 8006) communicated with the communication port (8010), the lower end of the third filter chamber (8006) is provided with the communication port (8010) connected with the fourth filter chamber (8007), and the upper part of the fourth filter chamber (8007) There is a communication port (8010) connected to the fifth filter chamber (8008), and a communication port (8010) connected to the sixth filter chamber (8009) is provided at the lower end of the fifth filter chamber (8008). A honeycomb cotton packing layer (8011) is provided in the first filter chamber (8004), a bamboo charcoal packing layer (8012) is provided in the second filter chamber (8005), and a bamboo charcoal packing layer (8012) is provided in the third filter chamber (8006). There is a volcanic rock filter material packing layer (8013), a loofah packing layer (8014) is provided in the fourth filter chamber (8007), and an ultraviolet sterilizer (8015) is provided in the fifth filter chamber (8008) , an aeration pipe (8016) is arranged in the sixth filter cavity (8009), and the aeration pipe (8016) is connected with a blower. 3. A kind of high-efficiency rearing equipment for freshwater aquatic products in ponds according to claim 1, characterized in that the aeration device (100) includes a bearing seat (101) arranged on the floating platform (1), and in the bearing The seat (101) is provided with a rotating shaft (102) through a bearing, and the two ends of the rotating shaft (102) are respectively provided with a water-feeding impeller assembly (103), and the floating platform (1) is provided with a driving wheel assembly (103). The drive motor (104) that the shaft (102) rotates. 4. The high-efficiency rearing equipment for freshwater aquatic products in ponds according to claim 3, characterized in that the water pumping impeller assembly (103) includes an impeller seat (105), and the impeller seat (105) is evenly distributed with A plurality of impeller blades (106), and several through holes (107) are arranged on the impeller blades (106). 5. A kind of high-efficiency rearing equipment for pond freshwater aquatic products according to claim 1, characterized in that said ejection device (7) includes a fixed seat (71) fixedly connected to the floating platform (1), and said fixed A guide rod (72) is provided on the seat (71), and a connection hole is provided on the rear end of the feeding tray (4). A spring (73) is sheathed on the guide rod (72) between the rear end and the fixed seat (71), and a mounting groove is provided in the floating platform (1), and front chains are arranged at intervals in the mounting groove. Wheel shaft (74) and rear sprocket shaft (75), be provided with chain (76) on described front sprocket shaft (74) and rear sprocket shaft (75), be provided with sprocket wheel on described floating platform (1) Drive motor (77), be provided with drive sprocket (78) on described sprocket drive motor (77), be provided with transmission chain (79) between described drive sprocket (78) and rear sprocket shaft (75) ), a driving block (710) that can move up and down relative to the chain (76) is provided in the chain (76), and a driving block (710) that can move up and down in the chain (76) is provided in the installation groove inside the chain (76). 710) rises so as to drive the guide stopper (711) that the feeding tray (4) moves toward the fixed seat (71), and the guide stopper (711) includes a limiter body (7111). The front end of the body (7111) is provided with a guide inclined surface (7112) that can make the driving block (710) rise, and the upper end of the driving block (710) is provided with a step-off inclined surface (7101) for easy separation from the feeding tray (4). The front end of the feeding tray (4) is provided with a connecting slope (41) that cooperates with the step-off slope (7101), and a driving block ( 710) detach from the launch drive block (8) of the feeding tray (4), on the launch drive block (8) is provided with a drive slope (81) that can make the drive shift block (710) move downwards, in the drive The lower part of the side of the shifting block (710) is provided with a limiting inclined surface (7102) matched with the driving inclined surface (81). 6. The high-efficiency rearing equipment for freshwater aquatic products in ponds according to claim 5, characterized in that a controller (19) is provided on the storage tank (2), and the controller (19) is connected with the ejection device respectively (7), the control valve (9) is connected to each other, and a blocking block (10) that can prevent the feeding tray (4) from flying out from the discharge seat (6) is provided on the floating platform (1). A barrel cover (11) is arranged at the upper end of the material barrel (2), and the area of the pond is 13-15 mu.