CN216821344U - Device for avoiding pit emergence of American shad pond oxygen-increasing machine vortex - Google Patents

Abstract

The utility model discloses a device for avoiding the eddy pit of an American shad fish pond aerator, which comprises an aerator body and an anti-eddy component, wherein the anti-eddy component is arranged below the aerator body and blocks the eddy generated under the working state of the aerator body; prevent the vortex subassembly and include flow distribution plate and connecting piece, the flow distribution plate corresponds and the interval sets up the impeller below at the oxygen-increasing machine body, the flow distribution plate passes through the connecting piece to be connected on the oxygen-increasing machine body, can avoid the oxygen-increasing machine to work to produce out hole and disturbance phenomenon to the bottom of the pool.

Description

Device for avoiding pit emergence of American shad pond oxygen-increasing machine vortex

Technical Field

The utility model belongs to the breed field, in particular to avoid device that american shad pond oxygen-increasing machine vortex goes out hole.

Background

At present, Yangtze hilsa herring is the first of three delicacies of Yangtze hilsa herring, has high economic value and academic value, and is an important rare aquatic resource in China. Because the ecological environment is damaged, the water quality is seriously polluted, the natural population is endangered and exhausted due to over fishing and poor management. In the face of market demands, Alosa sapidissima is introduced to replace culture in China, however, Alosa sapidissima lives for a long time, continues to swim without stop, consumes a large amount of oxygen, is different from the conventional four major Chinese carps which are relatively more resistant to hypoxia, has higher requirements on the dissolved oxygen content of culture water, and usually the dissolved oxygen in a fish pond water body is not lower than 5mg/L in the culture process.

In summary, the problems of the prior art are as follows: in the early stage of alosa sapidissima culture, the fish body is small, and the requirement of the alosa sapidissima on dissolved oxygen can be met by increasing oxygen in micropores; in the middle and later culture periods, the fish body becomes large, the oxygen consumption rises rapidly, and the habit of cluster circumambulation is more and more obvious, so that an impeller type large-scale aerator is needed to stir the water body to enhance dissolved oxygen. The impeller type aerator is heavy and is usually fixed at one position by a cable and cannot move easily, when the aerator starts to work, the impeller at the bottom of the aerator rotates at a high speed, a driven water body forms a vortex and reaches a sludge layer formed by gradually depositing and decomposing part of feed residue and animal excrement below the aerator, the sludge is stirred and dispersed in the water body, organic matters, harmful bacteria, hydrogen sulfide and the like in the sludge diffuse, and the water body becomes relatively turbid. The water quality is deteriorated, on one hand, the consumption of oxygen in the water body is increased, the probability of infecting reeves shads with harmful bacteria is increased, and meanwhile, the sight of the reeves shads is influenced, so that the reeves shads are easy to collide and hurt; on the other hand, the turbid water can seriously damage the cheek of the hilsa herring, which can cause insufficient oxygen supply, low appetite and reduced immunity of the hilsa herring; moreover, the long-term stirring of the bottom mud can generate a round deep pit, which is not beneficial to net pulling and pond cleaning.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the not enough that exists among the prior art, the utility model provides an avoid american shad pond oxygen-increasing machine vortex device that goes out the hole can avoid the oxygen-increasing machine to produce out hole and disturbance phenomenon to the bottom of the pool.

The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:

a device for preventing an American shad pond aerator from being out of a pit in a vortex mode comprises an aerator body and an anti-vortex assembly, wherein the anti-vortex assembly is arranged below the aerator body and blocks vortex generated by the aerator body in a working state;

prevent the vortex subassembly and include flow distribution plate and connecting piece, the flow distribution plate corresponds and the interval sets up the impeller below at the oxygen-increasing machine body, the flow distribution plate passes through the connecting piece and connects on the oxygen-increasing machine body.

Furthermore, the flow distribution plate is of a plate body structure and is transversely arranged, and the flow distribution plate is located on a path of a vortex generated by the impeller.

Furthermore, a plurality of shunting holes are formed in the shunting plate in a penetrating mode.

Furthermore, the flow distribution plate is of a disc type structure, and the outer diameter of the flow distribution plate is larger than that of the impeller.

Furthermore, a plurality of groups of connecting pieces are distributed on the outer ring of the impeller in a circumferential array manner, any two adjacent connecting pieces are arranged at intervals in the circumferential direction, and an aeration channel is formed between every two adjacent connecting pieces.

Furthermore, the connecting piece is of a hollow rod body structure.

Further, the length of the connecting piece is 1m +/-0.2 m.

Further, the connecting piece is made of stainless steel materials.

Further, the connecting piece sets up the bottom of flotation tank in the oxygen-increasing machine body.

Has the advantages that: the utility model discloses an oxygen-increasing machine is at the during operation, and the vortex that the impeller rotation produced passes through the flow distribution plate and cuts off for the water solution that is located the flow distribution plate below can not produce the vortex phenomenon, and the disturbance of the reduction flow distribution plate below water solution of very big degree avoids the phenomenon that the bottom of the pool goes out the hole.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

figure 2 is the utility model discloses an overall structure half cut-open schematic diagram.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in attached figure 1 and attached figure 2, a device for avoiding the situation that an alosa sapidissima pond aerator vortexes and goes out the hole, including aerator body 1 and anti-vortex subassembly, the anti-vortex subassembly sets up the below at aerator body 1, just the anti-vortex subassembly blocks the vortex that produces under the aerator body 1 operating condition, prevents that the vortex from causing the interference to the bottom of the pool.

Prevent the vortex subassembly and include flow distribution plate 2 and connecting piece 3, flow distribution plate 2 corresponds and the interval sets up in the 4 below of impeller of oxygen-increasing machine body, flow distribution plate 2 passes through connecting piece 3 and connects on the oxygen-increasing machine body, and the oxygen-increasing machine is at the during operation, and the vortex of the rotatory production of impeller passes through the flow distribution plate and cuts off for the aqueous solution that is located the flow distribution plate below can not produce the vortex phenomenon, and the disturbance of the reduction flow distribution plate below aqueous solution of very big degree constitutes the passageway that is used for the aqueous solution aeration between flow distribution plate 2 and the flotation pontoon 6.

The flow distribution plate 2 is of a plate body structure, the flow distribution plate 2 is transversely arranged and is located on a path of vortex generated by the impeller, so that the vortex is prevented from extending downwards, the flow distribution plate 2 is of a disc type structure, and the outer diameter of the flow distribution plate 2 is larger than that of the impeller 4, so that complete cutting and vortex separation can be guaranteed.

A plurality of flow distribution holes 5 are formed in the flow distribution plate 2 in a penetrating mode, and the water solution at the bottom can enter the aeration area upwards for solution exchange. The shunting holes are laser-drilled, are circular, have the diameter of 2cm and the distance of 5cm, and the orifices are polished to avoid scratching the passing fishes.

The connecting pieces 3 are distributed on the outer ring of the impeller 4 in a circumferential array manner, any two adjacent connecting pieces 3 are arranged at intervals in the circumferential direction, an aeration channel is formed between every two adjacent connecting pieces 3, and the water solution stirred by the impeller is outwards dispersed from the aeration channel. The connecting piece 3 is vertically arranged at the bottom of the floating box 6 in the aerator body 1. The buoyancy tank is also provided with a traction rope 7 for fixing the aerator body.

Connecting piece 3 is hollow rod body structure, reduces its weight and reduction material quantity, flow distribution plate 2, connecting piece 3 are stainless steel material, and difficult rust, processing is easy. The length of the connecting piece 3 is 1m +/-0.2 m, the material cost is increased when the distance is too large, the area of the aeration channel is limited when the distance is too small, and the agitated water solution impacts the flow distribution plate to make the whole equipment vibrate unstably.

The impeller aerator is additionally provided with the flow distribution plate and the connecting rod which belong to stainless steel materials and common materials, and has light texture, firmness, durability and low cost; the laser drawing and the hole forming of the flow distribution plate have mature process, and can be operated by selling a stainless steel storefront generally, so that the process technology difficulty is lower. Secondly, the impeller aerator is mature in technology and high in popularity, but farmers are deep in feeling of the deep pits caused by the work of the impeller aerator, but no good method is provided for solving the problem, and if the flow distribution plate which is cheap and good is used, the short plate of the existing impeller aerator is effectively complemented, so that not only is the manufacturer happy, but also the impeller aerator can benefit the majority of aquaculture farmers.

The scheme uses the fixed splitter plate for the first time on the basis of the traditional impeller aerator, and has the advantages of portability, high strength, low investment, good effect, high requirement on water quality, oxygen dissolution and the like of American shads, high conformity with the habit of no pause in circular motion and the like; secondly, the hilsa herring belongs to the fish living in the middle and upper layers, the flow distribution plate is added to promote the water flow direction of the vortex of the aerator, the stirring power is converted into effective kinetic energy for stirring the water in the middle and upper layers of the pond, the annular swimming of the hilsa herring is assisted, the energy consumption of the hilsa herring is saved, and the hilsa herring is favorable for the better survival and growth of the hilsa herring; furthermore, the scheme is not only suitable for American shad breeding, but also suitable for all aquaculture water surfaces using the impeller aerator, and can promote the further promotion of the pond culture water quality, reduce the probability of pond fish diseases, and drive the increase in both production and income.

Application example: the ecological breeding greenhouse for breeding alosa sapidissima occupies about 5 mu of land, 3-10 cm of alosa sapidissima fry is put in each greenhouse, 3500 tails are put in each greenhouse, an impeller type aerator with a flow distribution plate is adopted, dissolved oxygen in a pond is not lower than 7mg/L all the year round, a water body is in a micro-flow state, water quality is fresh, the alosa sapidissima grows continuously and healthily, and appetite is vigorous. The method is characterized in that two high-temperature summers and one cold winter are easily spent in the period of alosa sapidissima culture, the ecological plant floating bed is combined with the regular use of microbial preparations to adjust the water quality, the water quality is detected regularly, and the water quality is found to be better in the period of culture; the fish can be sold when reaching 0.75-1kg, the fish body has bright color, compact meat quality and delicious taste, is caught and sold in the market by adopting a net catching method without mud fishy smell every day, and is in short supply in the market.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (9)

1. The utility model provides an avoid alosa sapidissima pond oxygen-increasing machine vortex device that goes out hole which characterized in that: the aerator comprises an aerator body (1) and an anti-vortex component, wherein the anti-vortex component is arranged below the aerator body (1), and blocks vortex generated by the aerator body (1) in a working state;

prevent the vortex subassembly and include flow distribution plate (2) and connecting piece (3), flow distribution plate (2) correspond and the interval sets up impeller (4) below at the oxygen-increasing machine body, flow distribution plate (2) are connected on the oxygen-increasing machine body through connecting piece (3).

2. The device for avoiding the alosa sapidissima pond aerator from whirling out of the pit as claimed in claim 1, characterized in that: the flow distribution plate (2) is of a plate body structure, the flow distribution plate (2) is transversely arranged, and the flow distribution plate is located on a path of vortex generated by the impeller.

3. The device for avoiding the alosa sapidissima pond aerator from whirling out of the pit as claimed in claim 2, characterized in that: the flow distribution plate (2) is provided with a plurality of flow distribution holes (5) in a run-through manner.

4. The device of claim 3 for avoiding the situation that the alosa sapidissima pond aerator vortexes and goes out of the pit is characterized in that: the flow distribution plate (2) is of a disc type structure, and the outer diameter of the flow distribution plate (2) is larger than that of the impeller (4).

5. The device for avoiding the alosa sapidissima pond aerator from whirling out of the pit as claimed in claim 1, characterized in that: the connecting pieces (3) are distributed on the outer ring of the impeller (4) in a circumferential array manner, any two adjacent connecting pieces (3) are arranged at intervals in the circumferential direction, and an aeration channel is formed between every two adjacent connecting pieces (3).

6. The device for avoiding the alosa sapidissima pond aerator from whirling out of the pit as claimed in claim 5, wherein: the connecting piece (3) is of a hollow rod body structure.

7. The device for avoiding the alosa sapidissima pond aerator from whirling out of the pit as claimed in claim 5, wherein: the length of the connecting piece (3) is 1m +/-0.2 m.

8. The device for avoiding the alosa sapidissima pond aerator from whirling out of the pit as claimed in claim 5, wherein: the connecting piece (3) is made of stainless steel material.

9. The device for avoiding the alosa sapidissima pond aerator from whirling out of the pit as claimed in claim 1, characterized in that: the connecting piece (3) is arranged at the bottom of the floating box (6) in the aerator body (1).

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