CN218841870U

CN218841870U - High-efficient solid-liquid separation equipment among recirculating water aquaculture

Info

Publication number: CN218841870U
Application number: CN202222875265.9U
Authority: CN
Inventors: 赖铭勇; 叶小军; 王茂元
Original assignee: FRESHWATER FISHERIES RESEARCH INSTITUTE OF FUJIAN PROVINCE
Current assignee: FRESHWATER FISHERIES RESEARCH INSTITUTE OF FUJIAN PROVINCE
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-04-11
Anticipated expiration: 2032-10-28

Abstract

The utility model relates to a high-efficient solid-liquid separation equipment among recirculating water aquaculture, it includes: the sedimentation tank is sequentially divided into a first sedimentation area, an adsorption area, a second sedimentation area and a microfiltration area from right to left through a partition plate, and a first water inlet for feeding culture water is formed in the right side edge of the first sedimentation area; a second water inlet is formed in the right side edge of the adsorption area; a filter assembly is arranged in the adsorption area, and a third water inlet is formed in the right side edge of the micro-filtration area; a micro-filter for filtering is arranged at the upper part of the micro-filtering area, and a first water outlet is arranged at the left side edge of the micro-filtering area; the utility model discloses simple structure reduces waste emission, reduces environmental pollution to reach healthy breed and sustainable development's purpose.

Description

High-efficient solid-liquid separation equipment among recirculating water aquaculture

Technical Field

The utility model relates to a water culture technology field especially relates to a high-efficient solid-liquid separation equipment among recirculating water aquaculture.

Background

With the continuous expansion of aquaculture scale in China, metabolites, residual bait organic matters, ammonia nitrogen and other inorganic matters generated by feeding become new pollution sources, so that the limited aquaculture water sources are gradually reduced, and the further development of aquaculture is restricted. Therefore, people begin to search for a recirculating aquaculture mode, and at present, a chemical biological flocculation process, an aerobic biological flocculation adsorption process and a biological flocculation-oxidation treatment process are applied to a certain extent in the fields of urban domestic sewage, industrial wastewater treatment and the like. The main action mechanism is that the flocculation kinetics principle is utilized, flocculent particles with proper large particle size are introduced, the flocculation adsorption effect of a large surface area on fine particle substances is utilized to improve the sedimentation speed of the flocculent, the sedimentation time of sewage is reduced, and simultaneously the flocculent adsorbs soluble substances and suspended solids in water through the contact coagulation principle, so that the removal effect of pollutants is improved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the above problems in the prior art, the utility model provides a high-efficient solid-liquid separation equipment among recirculating water aquaculture.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

as an aspect of the utility model provides an efficient solid-liquid separation device among recirculating aquaculture, it includes: the sedimentation tank is sequentially divided into a first sedimentation area, an adsorption area, a second sedimentation area and a microfiltration area from right to left through partition plates,

a first water inlet for feeding culture water is formed in the right side edge of the first settling area; a second water inlet is formed in the right side edge of the adsorption area;

a filter assembly is arranged in the adsorption area, and a third water inlet is formed in the right side edge of the micro-filtration area; the upper portion in microstrainer district is equipped with the microstrainer that is used for filtering, the left side limit in microstrainer district is equipped with first delivery port.

Optionally, the distance between the second water inlet and the inner bottom of the adsorption zone is 30 cm.

Optionally, the overall cross-sectional shape of the filter assembly is zigzag, the filter assembly includes a filter body, a plurality of filter holes are formed at intervals on the filter body, and the diameter of the inlet end of each filter hole is greater than that of the outlet end.

Optionally, the upper part of the microfiltration zone is provided with a mounting for mounting a microfiltration machine.

Optionally, the first precipitation zone, the adsorption zone, the second precipitation zone and the micro-filtration zone are respectively provided with a drain outlet, and a drain pipe is connected to the drain outlet.

Optionally, zigzag weirs are respectively formed on the tops of the two sides of the adsorption region.

Optionally, a valve is connected to the drain pipe.

(III) advantageous effects

The beneficial effects of the utility model are that: simple structure, reduced waste discharge and environmental pollution, thereby achieving the aims of healthy culture and sustainable development.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the scope of the invention.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a filter assembly according to an embodiment of the present invention.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

The utility model discloses an efficient solid-liquid separation device in recirculating aquaculture of embodiment, as shown in fig. 1, fig. 2, it includes: a sedimentation tank 1, wherein the sedimentation tank 1 is sequentially divided into a first sedimentation area 3, an adsorption area 4, a second sedimentation area 5 and a microfiltration area 6 from right to left by a partition board 2,

a first water inlet 31 for feeding culture water is formed in the right side edge of the first settling zone 3; the diameter of the first water inlet 31 is 75 mm or 110 mm; a second water inlet 41 is formed in the right side edge of the adsorption zone 4, and the distance between the second water inlet 41 and the inner bottom of the adsorption zone 4 is 30 cm;

a filtering component 42 is arranged in the adsorption zone 4, the overall cross section of the filtering component 42 is in a Z shape, the filtering component 42 comprises a filtering body, a plurality of filtering holes 421 are formed on the filtering body at intervals, and the diameter of the inlet end of each filtering hole 421 is larger than that of the outlet end; the aperture of the filtering holes 421 is gradually reduced from the inlet end to the outlet end, and the filtering component 42 is made by 3D printing or PVC pipes;

the water flow has flow velocity, so that the particles in the water are taken away together in the flowing process; the diameter of the inlet end of the filtering hole 421 is larger than that of the outlet end, so that the flow velocity of the water flow is reduced, large-particle impurities cannot be taken away, and the filtering of the large-particle impurities is realized;

a third water inlet 61 is arranged on the right side edge of the micro-filtration area 6, and the diameter of the third water inlet 61 is 110 mm or 160 mm; a microfiltration machine 7 for filtering is arranged at the upper part of the microfiltration area 6, the microfiltration machine 7 is a roller microfiltration machine, the structure and the working mode of the roller microfiltration machine are the prior art, and the description is omitted; a first water outlet 62 is arranged on the left side edge of the micro-filtration area 6, and the diameter of the first water outlet 62 is 160 mm.

By adopting the Z-shaped adsorption system, the backwashing rate of the micro-filter 7 is reduced by 70 percent, large suspended particles of 45 micrometers and more than 45 micrometers are separated, the efficiency is more than 70 percent, and the backwashing water is saved by 40 percent.

By way of further illustration, in the present embodiment, the upper portion of the microfiltration zone 6 is provided with a mounting member 71 for mounting the microfiltration machine 7, and the mounting member 71 is a connecting frame or other structure for fixing the microfiltration machine 7.

As a further explanation, in this embodiment, the first settling zone 3, the adsorption zone 4, the second settling zone 5 and the microfiltration zone 6 are respectively provided with a sewage outlet 8, the sewage outlet 8 is connected with a sewage pipe 9, and the sewage pipe 9 is connected with a valve 10.

For further explanation, in this embodiment, zigzag weirs 43 are formed on the top of both sides of the adsorption zone 4, respectively, to facilitate the overflow of water.

By way of further illustration, in this embodiment, the sedimentation tank 1 has a length of 5 m, a width of 2.5 m and a height of 1.5 m.

During the use, breed water and get into from first water inlet 31, pass through first settling zone 3, adsorption zone 4, second settling zone 5 and micro-filtration district 6 in proper order, carry out the deposit of big granule in first settling zone 3, carry out getting rid of large granule suspended solid in adsorption zone 4, carry out getting rid of microparticle in second settling zone 5 and micro-filtration district 6, carry out recycling through first delivery port 62 at last.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims

1. The utility model provides a high-efficient solid-liquid separation equipment in recirculating aquaculture which characterized in that, it includes: the sedimentation tank (1), the sedimentation tank (1) is sequentially divided into a first sedimentation area (3), an adsorption area (4), a second sedimentation area (5) and a microfiltration area (6) from right to left by a partition board (2),

a first water inlet (31) for feeding culture water is formed in the right side edge of the first settling area (3); a second water inlet (41) is formed in the right side edge of the adsorption area (4);

a filtering component (42) is arranged in the adsorption area (4), and a third water inlet (61) is arranged on the right side edge of the micro-filtration area (6); the upper part of the micro-filtration area (6) is provided with a micro-filter (7) for filtering, and the left side edge of the micro-filtration area (6) is provided with a first water outlet (62).

2. The efficient solid-liquid separation device in recirculating aquaculture as claimed in claim 1, wherein: the distance between the second water inlet (41) and the inner bottom of the adsorption zone (4) is 30 cm.

3. The efficient solid-liquid separation device in recirculating aquaculture as claimed in claim 1, wherein: the integral cross-sectional shape of the filtering component (42) is Z-shaped, the filtering component (42) comprises a filtering body, a plurality of filtering holes (421) are formed in the filtering body at intervals, and the diameter of the inlet end of each filtering hole (421) is larger than that of the outlet end.

4. The efficient solid-liquid separation device in recirculating aquaculture as claimed in claim 1, wherein: and the upper part of the micro-filtration area (6) is provided with a mounting piece (71) for mounting a micro-filtration machine (7).

5. The efficient solid-liquid separation device in recirculating aquaculture as claimed in claim 1, wherein: and a sewage draining outlet (8) is respectively arranged on the first settling zone (3), the adsorption zone (4), the second settling zone (5) and the microfiltration zone (6), and a sewage draining pipe (9) is connected to the sewage draining outlet (8).

6. The efficient solid-liquid separation device in recirculating aquaculture as claimed in claim 1, wherein: and zigzag overflow weirs (43) are respectively formed at the tops of two sides of the adsorption zone (4).

7. The efficient solid-liquid separation device in recirculating aquaculture as claimed in claim 5, wherein said blow-off pipe (9) is connected with a valve (10).