CN111034666A

CN111034666A - Multifunctional pond for circulating water fishery

Info

Publication number: CN111034666A
Application number: CN201911416518.2A
Authority: CN
Inventors: 钱艺军
Original assignee: Nanjing Taixin Information Technology Co ltd
Current assignee: Nanjing Taixin Information Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-04-21

Abstract

The invention relates to a fishery culture device, in particular to a circulating water fishery multifunctional water pool capable of purifying water quality and recycling water. A communicating pipe which is communicated with the inner bin and is close to the bottom of the inner bin is arranged on the wall of the conical hopper, and a dirt collecting and precipitating bin is arranged at the bottom of the conical hopper; a circulating water pump is arranged outside the tank body, a water inlet pipe of the circulating water pump is communicated with the bottom of the inner bin, and a water outlet pipe of the circulating water pump is communicated with the upper part of the tank body; the inner bin is provided with biological filler. According to the multifunctional water pool for the circulating water fishery, excrement and feed residues of aquatic products slide to the dirt collecting and precipitating bin along the conical hopper in the culture process; meanwhile, the water in the inner bin is circulated into the pool body from the water outlet pipe by the circulating water pump, and the water can be pushed to move to form a vortex due to the fact that the water outlet direction is tangent to the inner wall of the pool body, so that dirt can be conveniently collected; in addition, the inner bin is also provided with biological filler, which can play a better purifying role on water quality, so that the circulating water quality is kept good, and the growth of aquatic products is facilitated.

Description

Multifunctional pond for circulating water fishery

Technical Field

The invention relates to a fishery culture device, in particular to a circulating water fishery multifunctional water pool capable of purifying water quality and recycling water.

Background

In fishery culture, the main modes comprise pond culture, greenhouse culture and indoor industrial culture, and the culture density is increased in sequence, wherein the indoor industrial culture is a development trend, and the method is mainly characterized by realizing controllable water quality and high-density culture and is an intelligent high-yield culture mode. In conventional pond and big-arch shelter breed process, because the water body is large, excrement and urine, the fodder residue etc. of fish and shrimp are difficult to collect and discharge, and continuous accumulation can cause the pollution to the water, influences quality of water, must adjust quality of water through various modes to satisfy the growth of fish and shrimp, the process is loaded down with trivial details, and the indefinite factor is more, and the risk is great, even depends on the day to eat. And after the first-stage cultivation is finished, the pond is required to be cleaned, water is drained, and residues of various harmful substances are removed through sterilization and disinfection. The mode wastes a large amount of manpower and material resources and water resources, and is low in culture density, high in risk and not beneficial to expansion of intensive culture scale. Every kind of cultivation mode all needs to ensure that the concentration of dissolved oxygen in the water satisfies the growth requirement of fish and shrimp, especially high density cultivation, in case the oxygen deficiency causes economic loss easily, if the outage, the main oxygenation mode that adopts at present firstly the generator electricity generation starts the oxygen-increasing machine, secondly directly puts into the pond with the oxygen cylinder, and thirdly uses the oxygen generation chemical reagent on the market to meet an urgent need certain time response.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the circulating water fishery multifunctional pool capable of purifying water quality and recycling water.

The technical scheme adopted by the invention is as follows: the multifunctional water pool for the circulating water fishery comprises a barrel-shaped pool body, wherein a conical hopper with a large top and a small bottom is arranged inside the pool body, and the pool body is divided into an upper breeding bin and a lower inner bin; a communicating pipe which is communicated with the inner bin and is close to the bottom of the inner bin is arranged on the wall of the conical hopper, a dirt collecting and precipitating bin is arranged at the bottom of the conical hopper, and the dirt collecting and precipitating bin is connected with a sewage discharge pipe which extends out of the tank body and is matched with a corresponding sewage discharge valve; a circulating water pump is arranged outside the tank body, a water inlet pipe of the circulating water pump is communicated with the bottom of the inner bin, a water outlet pipe of the circulating water pump is communicated with the upper part of the tank body, and the communicating position of the water outlet pipe is positioned below the liquid level of the tank body; the water outlet direction of the water outlet pipe is tangent to the inner wall of the tank body; the inner bin is provided with biological fillers.

In order to better realize the invention, a fine filter screen is matched at the top of the communicating pipe, and a corresponding coarse filter screen is matched at the top of the dirt collecting and settling bin.

In order to better realize the invention, the upper part of the inner bin is provided with a gas injection pipe which is matched with a corresponding gas injection pipe valve.

In order to better realize the invention, the sewage treatment device also comprises a filtering bin, one side of the bottom of the filtering bin is connected with a water suction pump, the other side of the bottom of the filtering bin is connected with an emptying pipe and is matched with an emptying control valve, and the other end of the water suction pump is connected with a sewage discharge pipe; the top of the filter bin is sequentially connected with a first return pipe and a second return pipe, the second return pipe is communicated with the top of the tank body, and the water outlet position is higher than the liquid level of the tank body.

In order to better realize the invention, the filter bin is filled with suspended plastic ball filter particles with density less than water density, and the bottom of the first return pipe is provided with a suspended plastic ball filter particle filter screen for preventing the suspended plastic ball filter particles from entering the first return pipe.

In order to better realize the invention, a branch pipe is arranged between the water suction pump and the filter bin, and the branch pipe is connected with a Venturi tube and is matched with a corresponding Venturi tube air valve; a horn-shaped foam collecting hopper with a large lower part and a small upper part is arranged at the joint of the first return pipe and the second return pipe, the foam collecting hopper is connected with a foam collecting box, and the bottom of the foam collecting box is connected with a discharge pipe; the air suction pipe of the Venturi tube is vertically upward, and the top of the Venturi tube is higher than the height of the foam collecting box.

In order to better realize the invention, a branch pipe between the sewage discharge valve and the water pump is arranged on the sewage discharge pipe, and the branch pipe is connected with a clean water pipe communicated with the bottom of the inner bin and matched with a corresponding clean water pipe valve.

In order to better realize the invention, a heat exchange pipe positioned above the conical hopper is annularly arranged along the inner wall in the tank body.

In order to better realize the invention, a heat-insulating layer is arranged outside the tank body.

The invention has the beneficial effects that: according to the multifunctional water pond for the circulating water fishery, the conical hopper, the culture bin, the inner bin, the communicating pipe, the circulating water pump, the dirt collecting and precipitating bin and the like are matched, so that excrement and feed residues of aquatic products slide to the dirt collecting and precipitating bin along the conical hopper in the culture process and are discharged from the sewage discharge pipe; meanwhile, the water in the inner bin is circulated into the pool body from the water outlet pipe by the circulating water pump, and the water can be pushed to move to form a vortex due to the fact that the water outlet direction is tangent to the inner wall of the pool body, so that excrement and feed residues can be conveniently collected into the dirt collecting and precipitating bin; in addition, the inner bin is also provided with biological filler, which can play a better purifying role on water quality, so that the circulating water quality is kept good, and the growth of aquatic products is facilitated. The invention can keep oxygen in the cabin in the water pool for a long time, and continuously dissolve the oxygen in water, can reduce the risk of oxygen deficiency, and avoid the loss of the water pool caused by the oxygen deficiency of a raiser due to untimely response or carelessness caused by sudden power failure. Meanwhile, the pool is easier to realize the independence of the system, and the risk caused by cross infection is greatly reduced. The water pool can be applied to fishery culture of various scales and has certain practicability.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic view of a structure of a multifunctional pond for circulating water fishery according to the present invention;

in the attached figure, 1-a pool body, 2-a conical hopper, 3-a culture bin, 4-an inner bin, 5-a dirt collecting and precipitating bin, 6-a coarse filter screen, 7-a blow-off pipe, 8-a communicating pipe, 9-a fine filter screen, 10-biological filler, 11-a circulating water pump, 12-a water inlet pipe, 13-a water outlet pipe, 14-an air injection pipe, 15-an air injection pipe valve, 16-a blow-off valve, 17-a clear water pipe, 18-a clear water pipe valve, 19-a water pump, 20-a filter bin, 21-an emptying pipe, 22-an emptying control valve, 23-suspended plastic ball filter particles, 24-a suspended plastic ball filter particle filter screen, 25-a first return pipe, 26-a foam collecting hopper, 27-a foam collecting box and 28-a discharge pipe, 29-a second return pipe, 30-a Venturi tube, 31-a Venturi tube air valve, 32-a heat exchange tube, 33-a heat insulation layer and 34-an air suction pipe.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

Example 1:

as shown in figure 1, the multifunctional pond for the circulating water fishery comprises a barrel-shaped pond body 1, wherein a conical hopper 2 with a large top and a small bottom is arranged inside the pond body 1, and the pond body 1 is divided into an upper culture bin 3 and a lower inner bin 4; a communicating pipe 8 which is communicated with the inner bin 4 and is close to the bottom of the inner bin 4 is arranged on the wall of the conical hopper 2, a dirt collecting and precipitating bin 5 is arranged at the bottom of the conical hopper 2, and the dirt collecting and precipitating bin 5 is connected with a sewage discharge pipe 7 which extends out of the tank body 1 and is matched with a corresponding sewage discharge valve 16; a circulating water pump 11 is arranged outside the tank body 1, a water inlet pipe 12 of the circulating water pump 11 is communicated with the bottom of the inner bin 4, a water outlet pipe 13 is communicated with the upper part of the tank body 1, and the communicating position is positioned below the liquid level of the tank body 1; the water outlet direction of the water outlet pipe 13 is tangent to the inner wall of the tank body 1; biological stuffing 10 is arranged in the inner chamber 4. According to the multifunctional water pond for the circulating water fishery, through the matching of the conical hopper 2, the culture bin 3, the inner bin 4, the communicating pipe 8, the circulating water pump 11, the dirt collecting and precipitating bin 5 and the like, in the culture process, excrement and feed residues of aquatic products slide down to the dirt collecting and precipitating bin 5 along the conical hopper 2 and are discharged from the sewage discharge pipe 7; meanwhile, the water in the inner bin 4 is circulated into the pool body 1 from the water outlet pipe 13 by the circulating water pump 11, and the water can be pushed to move to form a vortex due to the fact that the water outlet direction is tangent to the inner wall of the pool body 1, so that excrement and feed residues can be conveniently collected into the dirt collecting and settling bin 5; in addition, the inner bin 4 is also provided with the biological filler 10, so that the water quality can be better purified, the circulating water quality can be kept well, and the growth of aquatic products is facilitated. It should be noted that the water outlet direction is not tangent to the inner wall in a strict sense, that is, the water outlet direction is not towards the center of the tank body 1 but along the inner wall of the tank body 1, so that the water can be pushed to rotate, and the excrement of the aquatic products, the feed residues and the like can be conveniently collected. The biological filler 10 is used as a carrier of microorganisms, generally has a hollow structure, and anaerobic bacteria grow in the biological filler to generate denitrification effect so as to remove nitrogen; aerobic bacteria grow outside to remove organic matters, and nitrification and denitrification processes exist simultaneously in the whole treatment process, so that the concentration of nitrite can be effectively reduced, various organic matters are degraded, and the water quality can be effectively purified.

Example 2:

on the basis of the above embodiment, in order to further better implement the present invention, a fine filter screen 9 is matched with the top of the communicating pipe 8, and a corresponding coarse filter screen 6 is matched with the top of the dirt collecting and settling bin 5. The thinness and the thickness of the fine filter screen 9 and the coarse filter screen 6 are relatively speaking, the aperture of the fine filter screen 9 is relatively thin, the fine filter screen is mainly used for filtering dirt, aquatic product seedlings and the like, the fine filter screen is prevented from entering the inner bin 4, and the cleaning frequency of the inner bin 4 is reduced. The coarse filter screen 6 is mainly used for filtering water products and preventing aquatic products from entering the sewage discharge pipe 7 to be discharged or blocking the sewage discharge pipe 7.

Example 3:

on the basis of the above-mentioned embodiments, in order to further implement the present invention, an air injection pipe 14 is disposed at the upper portion of the inner chamber 4, and a corresponding air injection pipe valve 15 is matched. When the oxygen-enriched aquaculture device is used, when the inner bin 4 and the aquaculture bin 3 are filled with water, oxygen/air is injected into the inner bin 4 through the gas injection pipe 14, the water in the inner bin 4 is discharged into the aquaculture bin 3 through the communicating pipe 8 under the pressure of the oxygen/air until a certain degree, the oxygen/air injection is stopped, and the gas injection pipe valve 15 is closed, so that an oxygen bin is formed in the inner bin 4. The oxygen in the oxygen bin is pressed into the water, so that the oxygen can be supplied to the water for a long time, which is not only beneficial to cultivation, but also beneficial to the normal operation of the biological filler 10 in the inner bin 4, keeps the water quality excellent and is convenient for the normal growth of aquatic products. In the prior art, generally, an oxygen increasing machine supplies oxygen to a fish pond, the oxygen increasing machine can keep oxygen in a cabin in the fish pond for a long time, and continuously dissolves oxygen in water, so that the risk of oxygen deficiency can be reduced, and the situation that farmers cannot respond timely due to sudden power failure or lose the oxygen deficiency of the fish pond due to carelessness is avoided.

Example 4:

on the basis of the above embodiment, in order to further better implement the invention, the sewage treatment device is further included, the sewage treatment device comprises a filter bin 20, one side of the bottom of the filter bin 20 is connected with a water suction pump 19, the other side of the bottom of the filter bin 20 is connected with an emptying pipe 21 and is matched with an emptying control valve 22, and the other end of the water suction pump 19 is connected with a sewage discharge pipe 7; the top of the filtering bin 20 is sequentially connected with a first return pipe 25 and a second return pipe 29, the second return pipe 29 is communicated with the top of the tank body 1, and the water outlet position is higher than the liquid level of the tank body 1. After the design, most of the sewage discharged by the sewage discharge pipe 7 is filtered by the filter bin 20, so that water resources are saved, and finally, the sewage is discharged through the emptying pipe 21; in addition, the water outlet position of the second return pipe 29 is higher than the liquid level of the pool body 1, and the returned water can impact the liquid level to generate bubbles when being injected again, so that the oxygen content in the water is increased, and the normal growth of aquatic products is facilitated.

Example 5:

on the basis of the above embodiment, in order to further and better implement the present invention, the filter bin 20 is filled with the suspended plastic ball filter particles 23 having a density less than the density of water, and the bottom of the first return pipe 25 is provided with a suspended plastic ball filter particle filter screen 24 for preventing the suspended plastic ball filter particles 23 from entering the first return pipe 25. Because the circulating water goes upwards, the suspended plastic ball filter particles 23 are used, so that a good filtering effect can be achieved, and the filtered dirt is left at the bottom and then discharged from the emptying pipe 21. The suspended plastic ball filter particle filter screen 24 is used for intercepting the suspended plastic ball filter particles 23 and limiting the suspended plastic ball filter particles in the filter bin 20.

Example 6:

on the basis of the above embodiment, in order to further better implement the present invention, a branch pipe is arranged between the water pump 19 and the filtering bin 20, and the branch pipe is connected with a venturi tube 30 and is matched with a corresponding venturi tube air valve 31; a trumpet-shaped foam collecting hopper 26 with a large lower part and a small upper part is arranged at the connection part of the first return pipe 25 and the second return pipe 29, the foam collecting hopper 26 is connected with a foam collecting tank 27, and the bottom of the foam collecting tank 27 is connected with a discharge pipe 28; the suction pipe 34 of the venturi 30 is vertically upward and the top is higher than the height of the foam collecting box 27. With such a design, the venturi tube 30 generates negative pressure, so that the air suction pipe 34 sucks air to achieve air-liquid mixing, and tiny air bubbles in water can combine with water-soluble protein to form foam, and then enter the foam collecting tank 27 from the foam collecting hopper 26, and the foam is broken into liquid in the foam collecting tank 27 and then is discharged from the discharge pipe 28. When water passes through venturi tube 30, the inside negative pressure that can produce of venturi tube 30 for breathing pipe 34 inhales the air and mixes with water, and venturi tube 30's export is tangent with the inner wall of back flow pipe 25, and venturi tube 30 goes out water and can make the water rotation in the back flow pipe 25 upwards, and abundant gas-liquid mixture can make the soluble protein in the water form the foam with the separation of water and get into foam and collect fill 26. It should be noted that the foam collecting hopper 26 is in the shape of a horn with a large lower part and a small upper part, which not only facilitates the collection of foam, but also squeezes water so that the treated water flows back from the second return pipe 29.

Example 7:

on the basis of the above-mentioned embodiment, in order to further implement the present invention, a branch pipe between the blowdown valve 16 and the water pump 19 is arranged on the blowdown pipe 7, and the branch pipe is connected with a clean water pipe 17 communicated with the bottom of the inner bin 4 and is matched with a corresponding clean water pipe valve 18. After the design, when the dirt in the filter bin 20 needs to be washed, the dirt discharge valve 16 can be closed to stop discharging the dirt discharge pipe 7, and then the clean water pipe valve 18 is opened to draw out the water in the inner bin 4 for filtering, so that the dirt generated in the biochemical process of the biological filler 10 is reduced, and the effect of cleaning the inner bin 4 is achieved.

Example 8:

on the basis of the above embodiment, in order to further better implement the invention, a heat exchange pipe 32 located above the conical hopper 2 is annularly arranged along the inner wall inside the tank body 1. After the design, when the aquatic products are cultured in winter, the water in the pool body 1 can be heated through the heat exchange pipe 32, so that the water temperature reaches the proper water temperature (generally 22-26 ℃) of the aquatic products, and the quality and the growth speed of the aquatic products are improved. The heat exchange pipe 32 can generate steam heat exchange by boiler water heating, and other modes can also be adopted.

Example 9:

on the basis of the above embodiment, in order to further better implement the present invention, a heat insulation layer 33 is arranged outside the tank body 1. And a heat-insulating layer 33 for coating the heat exchange pipe 32 is arranged outside the tank body 1. After the design, the heat loss is reduced, the heat exchange efficiency is improved, and the energy consumption is reduced.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The multi-functional pond of circulating water fishery, its characterized in that: comprises a barrel-shaped pool body (1), a conical hopper (2) with a large top and a small bottom is arranged in the pool body (1), and the pool body (1) is divided into an upper breeding bin (3) and a lower inner bin (4); a communicating pipe (8) which is communicated with the inner bin (4) and is close to the bottom of the inner bin (4) is arranged on the wall of the conical hopper (2), a dirt collecting and precipitating bin (5) is arranged at the bottom of the conical hopper (2), the dirt collecting and precipitating bin (5) is connected with a sewage discharge pipe (7) which extends out of the tank body (1), and a corresponding sewage discharge valve (16) is matched with the sewage discharge pipe; a circulating water pump (11) is arranged outside the tank body (1), a water inlet pipe (12) of the circulating water pump (11) is communicated with the bottom of the inner bin (4), a water outlet pipe (13) is communicated with the upper part of the tank body (1), and the communicating position is positioned below the liquid level of the tank body (1); the water outlet direction of the water outlet pipe (13) is tangential to the inner wall of the tank body (1); the inner bin (4) is provided with biological filler (10).

2. The multifunctional pond for circulating water fishery according to claim 1, characterized in that: the top of the communicating pipe (8) is matched with a fine filter screen (9), and the top of the dirt collecting and settling bin (5) is matched with a corresponding coarse filter screen (6).

3. The multifunctional pond for circulating water fishery according to claim 2, characterized in that: the upper part of the inner bin (4) is provided with an air injection pipe (14) which is matched with a corresponding air injection pipe valve (15).

4. The circulating water fishery multifunctional pond according to any one of claims 1 to 3, wherein: the sewage treatment device comprises a filtering bin (20), one side of the bottom of the filtering bin (20) is connected with a water suction pump (19), the other side of the bottom of the filtering bin is connected with an emptying pipe (21) and is matched with an emptying control valve (22), and the other end of the water suction pump (19) is connected with a sewage discharge pipe (7); the top of the filtering bin (20) is sequentially connected with a first return pipe (25) and a second return pipe (29), the second return pipe (29) is communicated with the top of the tank body (1), and the water outlet position is higher than the liquid level of the tank body (1).

5. The multifunctional pond for circulating water fishery according to claim 4, characterized in that: the filter bin (20) is filled with suspended plastic ball filter particles (23) with density smaller than water density, and a suspended plastic ball filter particle filter screen (24) for preventing the suspended plastic ball filter particles (23) from entering the first return pipe (25) is arranged at the bottom of the first return pipe (25).

6. The multifunctional pond for circulating water fishery according to claim 5, characterized in that: a branch pipe is arranged between the water suction pump (19) and the filtering bin (20), and a venturi tube (30) is connected to the branch pipe and is matched with a corresponding venturi tube air valve (31); a trumpet-shaped foam collecting hopper (26) with a large lower part and a small upper part is arranged at the joint of the first return pipe (25) and the second return pipe (29), the foam collecting hopper (26) is connected with a foam collecting box (27), and the bottom of the foam collecting box (27) is connected with a discharge pipe (28); the air suction pipe (34) of the Venturi tube (30) is vertically upward, and the top of the Venturi tube is higher than the height of the foam collecting box (27).

7. The multifunctional pond for circulating water fishery according to claim 6, characterized in that: the sewage draining pipe (7) is provided with a branch pipe between a sewage draining valve (16) and a water suction pump (19), the branch pipe is connected with a clean water pipe (17) communicated with the bottom of the inner bin (4), and is matched with a corresponding clean water pipe valve (18).

8. The multifunctional pond for circulating water fishery according to claim 1, characterized in that: and heat exchange tubes (32) positioned above the conical hopper (2) are annularly arranged inside the tank body (1) along the inner wall.

9. The multifunctional pond for circulating water fishery according to claim 8, characterized in that: and a heat-insulating layer (33) is arranged outside the tank body (1).