CN213427853U - Simple water changing device suitable for seedling raising pond - Google Patents

Abstract

The utility model discloses a simple water changing device suitable for a seedling raising pond, which is characterized by comprising a device main body, wherein the device main body is a bracket with a cone frustum structure, a mesh is covered outside the bracket, the bottom surface of the device main body is provided with a PVC bottom plate, a top opening penetrates through and is vertically fixed on the PVC bottom plate and is provided with a drain pipe, and a nano aeration pipe which is annularly arranged along the edge of the PVC bottom plate is also arranged in the device main body; the utility model discloses the scheme is through the drain pipe drainage pond aquaculture waste water of growing seedlings, the wash port of big-end-up that sets up on the drain pipe, to water pressure change, can let the water pressure that gets into in the drain pipe when trading water tend to unanimous at each water level for quick drainage can not cause local pressure difference, utilizes nanometer aeration pipe to generate a large amount of bubbles to push away at the drainage simultaneously and is adsorbed in the mesh of frustum form device main part seedling larva, reduces the damage and the death of larva at the drainage in-process.

Description

Simple water changing device suitable for seedling raising pond

Technical Field

The utility model belongs to the technical field of the instrument of growing seedlings of breeding, a simply trade water installation suitable for growing seedlings pond is related to.

Background

In recent years, the aquaculture yield of Chinese aquatic products is 2/3 about the aquaculture yield of aquatic products in the world, and the Chinese aquaculture industry makes important contributions in the aspects of guaranteeing national food safety, expanding employment, increasing income of farmers, improving ecological environment of water areas and the like. In the process of aquaculture seedling, in order to ensure fresh water quality, water needs to be changed regularly. At present, it is more difficult to change water in aquaculture seedling production, and some uses are changed the water box with a net and are gone on, use water pump or siphon to carry out the drainage, and complex operation like this, the human cost is higher, and is consuming time hard, leads to the seed to adsorb and appear the seed damage on the box wall because of misuse in the drainage process easily moreover. This leads to the problem that the used drainage device is easy to die of aquatic seedlings.

1. Chinese patent: an aquaculture seedling production water changing device and a water changing method thereof are disclosed in the application number: 201410313425.8, filing date: 2014.07.02, the utility model relates to an adopted the siphon ware to make the device produce the negative pressure, the device of changing water of siphon drainage is carried out to the pond of growing seedlings that sees the device again and put into waiting to change water, the device has the mortality function that reduces to grow seedlings at the drainage in-process, but its characteristic that sets up in order to reach this purpose has led to slowing down of drainage speed, secondly the seed still has the problem of adsorbing on the filter cover, and its existence leads to at least two people concurrent operation at every turn because of can not setting up simultaneously, cost the manpower consuming time.

2. Chinese patent: a siphon water changing method and device for a fry and shrimp fry rearing pond, which have the following application numbers: 201910243347.1, filing date: 2019.03.28, it has little mesh to change water installation to possess the siphon that the mouth that absorbs water lies in big mesh netted cylinder cladding again outward and has the filter screen cloth of little mesh, it connects siphon device siphon drainage through plastic hose, nevertheless through filter screen cloth with this patent the same with above-mentioned patent, the absorption injury to seed has been reduced, but filter screen cloth's the rate of water passing is relatively poor, the reduction that drainage speed also can be further, secondly, based on the habit of fishes and shrimps, still have near seed wanders to drainage device, inevitable quilt when being close to the outlet adsorbs the production damage under the water pressure effect, it is impaired easily to have the seed, and this scheme consumes the manpower equally very much.

Therefore, there is a need for a simple water exchange device with fast draining speed, reasonable structure, relative practicality and convenience.

SUMMERY OF THE UTILITY MODEL

In order to the not enough of above-mentioned method, the utility model provides a simple and easy water changing device suitable for growing seedlings pond discharges growing seedlings pond old water at the uniform velocity through the drain valve, utilizes nanometer aeration pipe to generate a large amount of ascending bubbles to erode the slope mesh simultaneously in the drainage, drives away from and backs off from the other end and is adsorbed the seed on the mesh, reduces the impaired and mortality of growing seedlings in drainage process, and the device need not the special messenger when practical and manages the seed and adsorb the scheduling problem, practices thrift manpower resources.

The utility model provides a technical scheme that its technical problem and take is: the simple water changing device is characterized by comprising a device main body in a cone frustum shape, wherein the device main body is provided with a support forming a device main body structure, meshes are coated outside the support, the top of the device main body is provided with an opening, the bottom of the device main body is provided with a PVC bottom plate, the device main body further comprises a drain pipe which is vertically fixed on the PVC bottom plate and penetrates through the device main body, and the lower end of the drain pipe is provided with an opening which is arranged at a water outlet of a seedling raising pool;

the device main body is internally provided with a nano aeration pipe which is annularly arranged along the outer edge of the PVC bottom plate, the nano aeration pipe is connected with a PVC oxygenation pipe, and the PVC oxygenation pipe is connected with an oxygenation air pipe pipeline of the seedling culture pond.

As a further arrangement of the scheme, the bracket is made of fine steel, and the taper of the side edge of the bracket and the ground is 70-80 degrees.

As a further arrangement of the proposal, the device main body also comprises a drainage pipeline with a drainage valve, which is connected with the drainage pipeline.

As a further arrangement of the above scheme, a plurality of drain holes are arranged on the side wall of the drain pipe, the drain holes are arranged from top to bottom in a manner that the density is the same as the pore size and the pore size is gradually reduced, and the distance between the lowest drain hole and the PVC base plate is greater than 30 cm.

As a further arrangement of the scheme, the seedling collecting device further comprises a seedling collecting pool which is connected with a drainage pipeline of the water outlet and used for separating and filtering, and the seedling collecting pool can also be used for filtering and taking out seedlings when the pool is cleaned.

Through the arrangement of the scheme, the water changing device of the scheme is arranged in the seedling raising pool, the drain pipe is communicated with the water outlet, the PVC oxygenation pipe is connected to the air pipe of the oxygenation air pump of the seedling raising pool, the pipeline connected with the water changing device is opened to obtain the branch air valve, so that the nano aeration pipe which is flexibly connected with the PVC oxygenation pipe and is positioned in the water changing device starts to work for a large amount of aeration, compared with the prior equipment, the device can generate a large amount of bubbles through the nano aeration pipe to push away the seeds adsorbed on the meshes of the water changing device, thereby avoiding the seeds from being damaged by water pressure adsorption, the drainage speed is controlled by the drainage valve, the size and the density of the drainage holes of the drainage pipe are set, so that the water changing device can absorb water at a constant speed to avoid the generation of pressure difference, and secondly, the frustum-shaped main structure of the device is arranged to be relatively more excellent than that of a common cylinder or other shapes, so that the function of pushing away the seedlings by the bubbles can be better exerted.

Has the advantages that: compared with the prior art, the scheme of the utility model comprises the following steps that 1, the nanometer aeration pipe is arranged, when water is changed, a large amount of bubbles are generated to be combined with the frustum-shaped device main body, the generated bubbles are utilized to drive off seedlings which are changed and adsorbed by water pressure, the bubbles continuously wash out of meshes along the inner wall of the frustum and push away the seedlings adsorbed on the meshes, and the seedlings are prevented from being injured and killed by water pressure adsorption; 2. the drain holes with large upper parts and small lower parts are arranged on the drain pipe, so that the water pressure entering the drain pipe can be consistent at each water level when water is changed according to the water pressure change of water flows with different heights, and the local pressure difference can not be caused by quick drainage; the utility model discloses the scheme is through the drain valve at the uniform velocity discharge pond internal waste water of growing seedlings, based on the last big-end-up's that sets up wash port on the drain pipe, can make the rivers water pressure that flows in the water of drain pipe when changing water negative pressure and producing tend to unanimity at each water level for it can not cause local pressure differential to change water installation even fast drainage, secondly, utilizes nanometer aeration pipe to generate a large amount of bubbles to push away at the drainage simultaneously and is adsorbed in the seedling on frustum form device main part net, reduces the impaired and the mortality of growing seedlings in drainage process.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

fig. 2 is a schematic structural view of a water changing device according to an embodiment of the present disclosure.

Reference numerals: 1. a device main body; 11. a PVC base plate; 12. screening; 2. a nano aeration pipe; 21. a PVC oxygenation pipe; 23. a branch air valve; 3. a drain pipe; 32. a drain hole; 7. a water changing device; 8. a seedling raising pond; 9. a water outlet; 91. and (4) a seedling collecting pool.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflicting with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and the scope of the present invention is not limited by the specific embodiments disclosed below.

The simple water changing device suitable for the seedling raising pond is characterized by comprising a device main body 1 in a cone frustum shape, wherein the device main body 1 is provided with a support 13 forming a structure of the device main body 1, a mesh 12 is covered outside the support 13, the top of the device main body 1 is provided with an opening, the bottom of the device main body 1 is provided with a PVC bottom plate 11, the device further comprises a drain pipe 3 which is vertically fixed on the PVC bottom plate 11 and penetrates through the device main body 1, and the lower end opening of the drain pipe 3 is arranged at a water outlet 9 of the seedling raising pond 8;

the device main part 1 in still include along the nanometer aeration pipe 2 that 11 outward flange of PVC bottom plates are cyclic annular settings, nanometer aeration pipe 2 is connected and is provided with PVC oxygenation pipe 21, PVC oxygenation pipe 21 connects the oxygenation trachea pipeline setting of growing seedlings pond 8.

As a further arrangement of the above scheme, the bracket 13 is made of corrosion-resistant materials, and the taper of the side edge of the bracket and the ground is 70-80 degrees.

Through the arrangement of the scheme, the bracket 13 can be made of corrosion-resistant stainless steel or hard plastic materials with good corrosion resistance in seawater, and the working effect of the nano aeration pipe 2 can be better embodied by keeping the taper of the bracket at 70-80 degrees.

As a further arrangement of the above solution, the device body 1 further includes a drain pipe with a drain valve connected to the drain pipe 3.

As a further arrangement of the above scheme, a plurality of drainage holes 32 are arranged on the side wall of the drainage pipe 3, the drainage holes 32 are arranged from top to bottom in a gradually reduced manner with the same density and the same diameter, and the distance between the lowest drainage hole 32 and the PVC base plate 11 is greater than 30 cm.

As a further arrangement of the scheme, the seedling collecting device further comprises a seedling collecting pool 91 which is connected with a drainage pipeline of the water outlet 9 and used for separation and filtration, and the seedling collecting pool 91 can also be used for filtering and taking out seedlings when the pool is cleaned.

Through the setting of above-mentioned scheme, the water changing device of this scheme, place the pond of growing seedlings in back with drain pipe and delivery port intercommunication, on the trachea of the oxygenation air pump of the pond of growing seedlings is connected to PVC oxygenation pipe connection again, only open the pipeline of being connected with the water changing device, current equipment relatively, this device can push away through the nanometer aeration pipe production a large amount of bubbles and adsorb in the seed on the water changing device mesh, avoid the seed to receive rivers water pressure and adsorb the injury, speed through drain valve control drainage, the wash port size density of drain pipe sets up, can let the water changing device at the uniform velocity inhale and avoid the production of pressure differential, secondly the device major structure of frustum form sets up for ordinary cylinder or other shapes, can let the bubble push away the better of the function performance of seed.

According to the device, the water changing method of the simple water changing device suitable for the seedling raising pond comprises the following steps: s1, selecting a device main body 1 with a proper mesh size of 12 according to the individual sizes of different stages of aquatic offspring seed development;

s2, inserting the lower end of the drain pipe 3 of the device into the water outlet 9 of the seedling raising pond, and then connecting the PVC oxygenation pipe 21 with the oxygenation air pump 22;

s3, before water change, opening a branch air valve of a pipeline connected with the nano aeration pipe 2 to allow the nano aeration pipe 2 to start aeration;

s4, opening a drain valve to drain the old water in the pool at a constant speed through the drain holes 31 of the drain pipe 3, and leading the old water in the pool to flow to the seedling collecting pool 91 through the water outlet 9;

s5, in the period, the bubbles of the nano aeration pipe 2 can disturb and drive off the seedlings of the meshes 12 coated on the outer side surface of the frustum shape of the device main body 1 due to the water flow, so that the seedlings are prevented from being damaged by water pressure adsorption;

and S6, when the liquid level in the pond drops to a preset height, closing the drain valve and the branch air valve, starting the water inlet pipe to feed water, and completing the replacement of the old water in the seedling pond until the preset water level.

Furthermore, the air volume of the branch air valve and the water discharge volume of the water discharge valve of the S3-S4 can be gradually determined and adjusted according to the actual water discharge condition of the nursery pond.

Further, the water inlet pipe of the S6 is far away from the water outlet 9 as far as possible, and the water changing device can perform irregular cleaning according to the dirt adhesion condition of the meshes 12.

Through the arrangement of the scheme, the meshes can be arranged according to the body type changes of the seedlings in different growth stages, 2-3 different meshes are usually arranged for replacement in the whole seedling raising stage, and the replacement of the meshes only needs to take the nano aeration pipe and the air pipe out of the device and directly replace the prepared standard meshes; the utility model can be put into the seedling raising pond after the seedling raising is started, and does not need to be taken out when the mesh replacing stage is removed, thereby being very convenient; the air valve, the nano aeration pipe and the mesh involved in the utility model can be purchased from the market.

The water in the seedling raising pool is changed, the water is changed actively according to the turbidity of the water body in the seedling raising pool, the water does not need to be completely changed, water is directly fed after the water level of a drainage channel is preset, new water and old water are mixed, and the turbidity reaches the seedling raising range; when seedlings emerge, the branch air valve is opened to enable the nano aeration pipe to be exploded, the drain valve is opened again to drain water, water does not need to be fed after the water is drained to a preset water level, the branch air valve is closed, the water changing device is pulled out, the seedling collecting pond connected with the water outlet is well provided with the corresponding seedling collecting net box, seedlings in the seedling collecting pond can be emptied by continuous drainage, and the seedlings are collected and transferred in the seedling collecting pond.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. The simple water changing device suitable for the seedling raising pond is characterized by comprising a device main body (1) in a cone frustum shape, wherein the device main body (1) is provided with a support (13) forming a structure of the device main body (1), a mesh (12) is covered outside the support (13), the top of the device main body (1) is provided with an opening, the bottom of the device main body is provided with a PVC bottom plate (11), the device further comprises a drain pipe (3) which is vertically fixed on the PVC bottom plate (11) and penetrates through the device main body (1), and the lower end of the drain pipe (3) is provided with an opening and is arranged at a water outlet (9) of the seedling raising pond (8);

the device main part (1) in still including being annular nanometer aeration pipe (2) that sets up along PVC bottom plate (11) outward flange, nanometer aeration pipe (2) are connected and are provided with PVC oxygenation pipe (21), the setting of oxygenation trachea pipeline of educating seedling pond (8) is connected in PVC oxygenation pipe (21).

2. The simple water changing device applicable to the nursery pond as claimed in claim 1, which is characterized in that: the bracket (13) is made of corrosion-resistant materials, and the taper of the side edge of the bracket and the ground is 70-80 degrees.

3. The simple water changing device applicable to the nursery pond as claimed in claim 1, which is characterized in that: the device main body (1) also comprises a drainage pipeline with a drainage valve, which is connected with the drainage pipeline (3).

4. The simple water changing device applicable to the nursery pond as claimed in claim 1, which is characterized in that: the side wall of the drain pipe (3) is provided with a plurality of drain holes (32), the drain holes (32) are arranged in a manner that the density is the same as the hole diameter from top to bottom and gradually decreases, and the distance between the drain hole (32) at the lowest part and the PVC bottom plate (11) is more than 30 cm.

5. The simple water changing device applicable to the nursery pond as claimed in claim 1, which is characterized in that: the seedling collecting device also comprises a seedling collecting pool (91) which is connected with a drainage pipeline of the water outlet (9) and used for separating and filtering, and the seedling collecting pool (91) can also be used for filtering and taking out seedlings when the pool is cleaned.

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