CN211871773U - Dirty precipitation splitter of aquatic products excrement - Google Patents

Abstract

The utility model discloses an aquatic manure sedimentation and separation device, which comprises a tank body; the tank body is provided with a separation retaining wall which divides the tank body into a sewage tank and a clear water tank; a filtering component is arranged in the separation retaining wall; the bottom of the sewage tank is obliquely arranged from two sides to the middle, and a sewage collecting groove is formed at the lowest oblique position; the clear water tank is provided with a clear water outlet which can be opened and closed; the dirt gathering groove is provided with a feces outlet which can be opened and closed; the clear water outlet is higher than the feces outlet. An aquatic products excrement deposits splitter has filtering component through the setting separate the barricade, will the cell body is cut apart into the bilge pit with the separation of solid filth and sewage is realized to the clear water groove, and has set up gather dirty slot with the push-and-pull component, the solid filth propelling movement after will deposiing goes out the bilge pit, and water in the clear water groove obtains recycling after disinfecting, promotes the utilization ratio of water resource.

Description

Dirty precipitation splitter of aquatic products excrement

Technical Field

The utility model belongs to the technical field of aquaculture, specifically speaking relates to a dirty precipitation separation equipment of aquatic products excrement for the dirty concentration of aquaculture excrement gets rid of the free water.

Background

The development of intensive high-density culture technology plays an important role in the future aquaculture industry. However, the high-density cultured animals can discharge a large amount of excrement and urine, the self pollution is serious, the balance of a natural ecological system in the aquaculture process is broken, conditioned pathogens are changed into pathogenic bacteria due to the unbalance of the ecological system, the disease resistance of the aquatic animals is reduced, and the pathogenic bacteria are more easily infected. A large amount of culture wastewater is generated by changing a large amount of water, and the wastewater is directly discharged into natural water bodies such as rivers, lakes, seas and the like without any treatment, so that the natural water bodies are eutrophicated, substrates are damaged, diseases are frequent, and the ecological system of the natural water bodies is damaged. Currently, aquaculture wastewater treatment does not adopt solid-liquid separation, and mainly mixes and adopts together: physical techniques such as bulk water exchange, aeration, filtration, precipitation, adsorption, air flotation, etc.; chemical techniques such as flocculation, neutralization, complexation, redox, ozone disinfection, and the like; biotechnology, such as adding photosynthetic bacteria, bacillus, actinomycetes, multi-bacteria composite microbial preparation, etc. into aquaculture wastewater; planting aquatic plants, vegetables, flowers and the like; however, the technologies have the problems of water resource waste, high energy consumption, complex system, complex operation and the like.

Chinese patent application No. CN201520338194.6 discloses a feces collecting device for pond circulating water aquaculture facilities, which comprises a pond and an onshore sedimentation tank, wherein a main pipeline is laid at the bottom of the pond, the front end of the main pipeline is closed, the rear end of the main pipeline is led out from the pond and led to the onshore sedimentation tank, a plurality of branch pipelines are respectively communicated with the bottom of the pond at two sides of the main pipeline, and a plurality of dirt absorbing holes are respectively arranged on the upper pipe walls of the branch pipelines; the main pipeline is provided with a water pump outside the pond, a submersible pump is arranged in the pond, and a water outlet of the submersible pump is connected with the main pipeline in front of a water inlet of the water pump. The utility model discloses simple structure, electric actuator is few, and is not fragile.

Although the above prior art provides a technical scheme, the scheme is that a plurality of sewage suction holes are arranged on a main pipeline, solid excrement at the near end is transferred preferentially in water, and under the condition that the plurality of sewage suction holes are not opened and closed, the solid excrement at the far end is difficult to transfer, and the separation of the excrement from sewage cannot be realized, the treatment capacity of the excrement is large, the contact time is long, the water body is continuously polluted, and further the cyclic utilization of water resources cannot be realized; the separation of the excrement and the water can reduce the oxygen consumption of the excrement and the water is equivalent to the increase of the dissolved oxygen in the water.

In view of this, the present invention is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in overcoming the not enough of prior art, provides one kind and can overcome above-mentioned problem or solve the dirty precipitation splitter of aquatic products excrement of above-mentioned problem at least partially.

In order to solve the technical problem, the utility model adopts the following basic concept: an aquatic feces precipitation and separation device comprises

A trough body;

a separation retaining wall is arranged inside the tank body, the tank body is divided into a sewage tank and a clear water tank, and aquaculture excrement enters the sewage tank;

a filtering component is arranged in the separation retaining wall and is used for intercepting solid excrement;

the bottom of the sewage tank is obliquely arranged from two sides to the middle, and a sewage collecting groove is formed at the lowest oblique position;

the clean water tank is provided with a clean water outlet which can be opened and closed, and water in the clean water tank is recycled after being sterilized and disinfected, so that the utilization rate of water resources is improved;

the dirt gathering groove is provided with a feces outlet which can be opened and closed.

Wherein, the clear water outlet is higher than the feces outlet.

In some preferred embodiments of the present invention, the separating retaining wall is fixedly disposed in the tank body.

In some preferred embodiments of the present invention, the separation retaining wall is detachably disposed in the tank body. In addition, the groove body is made of one or more of brick-concrete structure, plastic material, metal material, glass fiber reinforced plastic material and aluminum-plastic plate.

Meanwhile, the bottom of the sewage tank is a conical inclined bottom or an arc inclined bottom.

And the push-pull component is arranged in the sewage groove, at least contacts the sewage gathering groove and is used for pushing the excrement in the sewage gathering groove to the excrement outlet.

Further, the shape of the push-pull member is matched with the inner shape of the sewage tank;

the part of the push-pull member, which is in contact with the side wall of the sewage groove, takes the sewage collecting groove as a center to form an included angle for collecting the excrement in the sewage groove to the excrement outlet in the sewage collecting groove through the push-pull member.

Furthermore, the vertical section of the dirt gathering groove is rectangular or arc-shaped and is used for intensively storing solid-shaped excrement;

the dirt gathering groove is obliquely arranged towards the excrement outlet.

In addition, the sewage treatment device also comprises stirring equipment which is arranged in the sewage tank and is used for stirring the sewage.

Furthermore, the stirring device is a pneumatic mixing device or a mechanical rotating mixing device, and after the aquatic product excrement precipitation separation device is filled with the liquid dung, the stirring device is started to promote the solid excrement to be converged and settled in the excrement gathering groove.

Further, the device also comprises at least one manure inlet which is arranged on the side part or the upper surface of the sewage tank and used for the passing of the culture manure or the culture tail water.

After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has: an aquatic products excrement deposits splitter has filtering component through the setting separate the barricade, fixed and/or activity setting, it is dirty to cut off solid shape excrement, will the cell body is separated into the bilge pit with the clear water groove realizes the separation of solid filth and sewage, and has set up gather dirty slot with the push-and-pull component, the solid filth propelling movement after will deposiing goes out the cell body lets the excrement dirty can in time separate with the water, avoids the excrement dirty piling up at the sedimentation tank and become the pollution sources that lasts, and water in the clear water groove obtains recycling, promotes the dirty utilization efficiency of excrement. The scheme is that the clear water is transferred preferentially, and the water in the clear water tank is recycled after sterilization and disinfection, so that the utilization rate of water resources is improved; then the accumulated solid excrement is transferred, the solid excrement is timely treated after the preferential reduction of the sewage is realized, and the solid excrement filtering component can be transferred for multiple times under the autonomous control in the annual culture period; the oxygen consumption of the excrement can be reduced only by separating the excrement from the water body, which is equal to the increase of dissolved oxygen in the water body; and the inclined bottom water tank is also favorable for accumulation of excrement, and the lower layer of excrement is not in contact with a water body, so that the contact area between the excrement and the water body is favorably reduced, and pollutants released in the dissolving and fermenting process are reduced. The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

In the drawings:

FIG. 1 is a first schematic view of an aquatic product feces sedimentation and separation apparatus of the present invention;

FIG. 2 is a second schematic view of the aquatic product feces sedimentation and separation device of the present invention;

FIG. 3 is a third schematic view of the apparatus for settling and separating the feces from the aquatic products according to the present invention;

fig. 4 is a fourth schematic view of the aquatic product feces sedimentation and separation device of the present invention.

In the figure: 1. a trough body; 2. separating the retaining wall; 3. a sewage tank; 301. a manure outlet; 302. a manure inlet; 4. a clear water tank; 401. a clear water outlet; 5. a dirt collecting groove; 6. a push-pull member; 7. and (4) stirring equipment.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In a specific embodiment, as shown in fig. 1 to 4, the aquatic product feces precipitation separation device of the present invention comprises a tank body 1 having a watertight structure, and a plurality of switch channels arranged around the tank body; a separation retaining wall 2 is arranged in the tank body 1, and the tank body 1 is divided into a sewage tank 3 and a clear water tank 4; the separation retaining wall 2 is detachably arranged in the tank body 1; a filtering component is arranged in the separating retaining wall 2; the bottom of the sewage tank 3 is obliquely arranged from two sides to the middle, and a sewage gathering groove 5 is formed at the lowest oblique position; the clear water tank 4 is provided with a clear water outlet 401 which can be opened and closed; the dirt gathering groove 5 is provided with a feces outlet 301 which can be opened and closed. The clear water outlet 401 is higher than the feces outlet 301, water in the clear water tank is recycled after sterilization and disinfection, and the utilization rate of water resources is improved; the opening and closing can be realized by arranging electric rotating cover bodies on the clean water outlet 401 and the feces outlet 301, and the opening and closing of the clean water outlet 401 and the feces outlet 301 are realized by operating the rotation of the cover bodies. The aquatic product excrement precipitation separation equipment system receives sewage transferred by an aquaculture system, when the sewage enters the aquatic product excrement precipitation separation equipment system, a clear water cavity is reduced, after excrement is layered, the cavity of a clear water tank 4 is enlarged and the clear water is timely removed, then excrement settled in the sewage collecting groove 5 of the sewage tank 3 is transferred out through an excrement outlet 301, and the combined water is further removed from solid excrement through a filter press and the like. The solid manure is subjected to microbial fermentation treatment to form organic fertilizer for plants, and oxygen in air is consumed, so that the consumption of dissolved oxygen in water by the manure is reduced.

Further, the solid manure is used for breeding earthworms to generate earthworm protein and earthworm cast, and the earthworm cast is processed into granular organic fertilizer for the planting industry.

Further, the solid manure is fermented and decomposed for aquaculture, and is used as feed of the detritus feeding aquatic animals or fertilizer for water culture to participate in water substance and energy circulation again. The key of reducing water pollution sources and reducing water pollution is to separate aquatic manure from water in time, oxygen consumption of the manure in the water is greatly reduced, dissolved oxygen in the water is increased in a phase-change manner, the manure is subjected to fermentation treatment in the air after being dehydrated, oxygen in the air is directly used, energy consumption in the decomposition process of the manure is avoided, and the method is an energy-saving and emission-reducing treatment scheme. Adding a flocculating agent, adding a stirring device 7 to promote flocculation and precipitation (pneumatic or mechanical rotation), removing solid excrement generated every day, and carrying out solid-liquid separation.

In a specific embodiment, the material used for the tank body 1 is one or more of a brick-concrete structure, a plastic material, a metal material, a glass fiber reinforced plastic material and an aluminum-plastic plate. The bottom of the sewage tank 3 is a conical inclined bottom or an arc inclined bottom.

Further, the sewage treatment device further comprises a push-pull member 6 which is arranged in the sewage tank 3, at least contacts with the sewage collecting groove 5, and is used for pushing the excrement in the sewage collecting groove 5 to the excrement outlet 301, and the push-pull member 6 is moved to drive the solid excrement to the excrement outlet 301. The shape of the push-pull component 6 is fit with the inner shape of the sewage tank 3, so that an overlarge gap is avoided; the push-pull member 6 and the contact part of the side wall of the sewage tank 3 form an included angle with the sewage collecting groove 5 as the center, and the included angle is used for collecting solid excrement in the sewage tank 3 to the sewage collecting groove 5 through the push-pull member 6, and when the sewage collecting device is used, an operator pulls the push-pull member 6 to clean the excrement in the tank body 1 and the sewage collecting groove 5.

In a specific embodiment, the vertical section of the dirt collecting groove 5 is rectangular or arc-shaped and is used for intensively storing solid-shaped excrement; the stacking of the excrement is facilitated, the lower layer of excrement is not contacted with a water body, the contact area of the excrement and the water body is reduced, and pollutants released in the dissolving and fermenting process are reduced. The dirt collecting groove 5 is obliquely arranged towards the dirt outlet 301. And the stirring device 7 is arranged in the sewage tank 3 and is used for stirring sewage. The stirring device 7 is a pneumatic mixing device or a mechanical rotating mixing device, and after the aquatic manure sedimentation and separation device is filled with the manure water, the stirring device 7 is started to promote solid manure to converge and settle in the sewage collecting groove 5.

In a specific embodiment, the sewage treatment device further comprises at least one excrement inlet 302 arranged at the side part of the sewage tank 3. The aquatic product excrement precipitation separation equipment can be arranged together, and the excrement water and the culture tail water are added, the precipitation is carried out, the clear water is removed, the solid excrement is removed, the excrement water and the culture tail water are added again, so that circulation is carried out among the several excrement precipitation separation equipment, and the excrement removal and the solid excrement removal are not delayed.

The scheme is that the clear water is transferred preferentially, and the water in the clear water tank is recycled after sterilization and disinfection, so that the utilization rate of water resources is improved; then the accumulated solid manure is transferred, the solid manure is timely treated after the sewage is preferentially reduced, and the solid manure can be transferred for multiple times under the independent control in the annual culture period; the oxygen consumption of the excrement can be reduced only by separating the excrement from the water body, which is equal to the increase of dissolved oxygen in the water body; and the inclined bottom water tank is also favorable for accumulation of excrement, and the lower layer of excrement is not in contact with a water body, so that the contact area between the excrement and the water body is favorably reduced, and pollutants released in the dissolving and fermenting process are reduced.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical matters of the present invention are within the scope of the present invention.

Claims (10)

1. The utility model provides an aquatic products excrement deposits splitter which characterized in that: comprises that

A tank body (1);

a separation retaining wall (2) is arranged in the tank body (1) to divide the tank body (1) into a sewage tank (3) and a clear water tank (4);

a filtering component is arranged in the separating retaining wall (2);

the bottom of the sewage tank (3) is obliquely arranged from two sides to the middle, and a sewage gathering groove (5) is formed at the lowest oblique position;

the clear water tank (4) is provided with a clear water outlet (401) which can be opened and closed;

the dirt gathering groove (5) is provided with a feces outlet (301) which can be opened and closed.

2. The aquatic product manure sedimentation and separation apparatus according to claim 1, wherein: the clear water outlet (401) is higher than the feces outlet (301).

3. The aquatic product manure sedimentation and separation apparatus according to claim 1, wherein: the tank body (1) is made of one or more of a brick-concrete structure, a plastic material, a metal material, a glass fiber reinforced plastic material and an aluminum-plastic plate.

4. The aquatic product manure sedimentation and separation apparatus according to claim 1, wherein: the bottom of the sewage tank (3) is a conical inclined bottom or an arc inclined bottom.

5. The aquatic product manure sedimentation and separation apparatus according to claim 1, wherein: the sewage collecting device is characterized by further comprising a push-pull component (6) which is arranged in the sewage tank (3), at least contacts with the sewage collecting groove (5) and is used for pushing the excrement in the sewage collecting groove (5) to the excrement outlet (301).

6. An aquatic product manure sedimentation and separation apparatus according to claim 5, wherein:

the shape of the push-pull component (6) is matched with the inner shape of the sewage tank (3);

the part of the push-pull member (6) contacted with the side wall of the sewage tank (3) takes the sewage collecting groove (5) as the center, and an included angle is formed for collecting the excrement in the sewage tank (3) to the excrement outlet (301) in the sewage collecting groove (5) through the push-pull member (6).

7. The aquatic product manure sedimentation and separation apparatus according to claim 6, wherein:

the vertical section of the dirt gathering groove (5) is rectangular or arc-shaped and is used for intensively storing solid excrement;

the dirt gathering groove (5) is obliquely arranged towards the feces outlet (301).

8. The aquatic product manure sedimentation and separation apparatus according to claim 1, wherein: the sewage treatment device also comprises stirring equipment (7) which is arranged in the sewage tank (3) and is used for stirring sewage.

9. The aquatic product manure sedimentation and separation apparatus according to claim 8, wherein: the stirring device (7) is a pneumatic mixing device or a mechanical rotating mixing device, after the aquatic product excrement precipitation and separation device is filled with the liquid dung, the stirring device (7) is started to promote the solid excrement to converge and settle in the excrement collecting groove (5).

10. The aquatic product manure sedimentation and separation apparatus according to claim 1, wherein: the sewage treatment device also comprises at least one excrement inlet (302) which is arranged on the side part or the upper part of the sewage tank (3).

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