Filtering and separating device for incubation of fairy shrimps

Abstract

The utility model relates to the technical field of filtering and separating, and discloses a filtering and separating device for incubation of fairy shrimps, which comprises a plurality of filtering assemblies which can be sequentially overlapped along the axial direction, each filtering assembly comprises a filtering net, a lantern ring and a middle connecting part which are sequentially connected, the filtering net is positioned below the lantern ring, and the middle connecting part is positioned above the lantern ring. Every two adjacent lantern rings are connected through a middle connecting part. The filtering and separating device is provided with at least two layers of filter screens, and the filtering and separating device is fixed at the shrimp collecting switch from the beginning, so that the lost brine shrimps at the beginning of water discharging can be reduced; during secondary filtration, only the upper filter assembly intercepting large sundries needs to be removed, and the lower filter assembly can still play a role, so that the overall replacement frequency is reduced; meanwhile, the device is simple in structure and convenient for farmers and experiment operators to quickly master and manage, and the filtering specification and layer number can be adjusted according to actual requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter separation technical field, concretely relates to a filter separation device for artemia hatching. BACKGROUND

[0002] Artemia, also known as brine shrimp, is a kind of crustacean that can live in brine, and is widely distributed in salt ponds or salt lakes on land. The winter eggs of Artemia are a kind of special dormant eggs that can be dried and canned for sale as commodities, and can be easily hatched. The larvae of Artemia, as a kind of high-quality live bait, contain rich protein and fatty acids, and are good bait for fish and shrimp larvae. The eggshells of Artemia after hatching and some unhatched eggs are not suitable for feeding fish and shrimp, so it is necessary to separate the Artemia larvae from the eggshells and unhatched eggs.

[0003] Most of the existing separation methods first remove the lower layer of water, and then place two independent filter screens at the shrimp collection switch when most of the remaining Artemia float on the upper layer. The hatched Artemia are filtered into two different independent filter screens, and then filtered and separated by water flushing. This method is relatively complex to operate and requires a large amount of water to filter out the hatched Artemia. During the filtering process, the filter holes of the filter screens are easily blocked by eggshells, and a part of Artemia is lost, resulting in low efficiency of shrimp collection. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the defects in the prior art, and provides a filter separation device for Artemia hatching, which prevents Artemia from escaping by arranging at least two layers of filter screens.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of a filter separation device for Artemia hatching, which comprises a plurality of filter assemblies capable of being overlapped in sequence along the axial direction. The filter assembly comprises a filter screen, a sleeve ring and a middle connecting part connected in sequence. The filter screen is located below the sleeve ring, the middle connecting part is located above the sleeve ring, and the adjacent two sleeve rings are connected through the middle connecting part.

[0006] Optionally, in the adjacent two filter assemblies, the middle connecting part in the lower layer is sleeved outside the sleeve ring in the upper layer, and the inner diameter of the middle connecting part is equal to the outer diameter of the sleeve ring.

[0007] Optionally, in the adjacent two filter assemblies, the filter screens are nested in sequence from top to bottom along the axial direction.

[0008] Optionally, the middle connecting part adopts a hoop capable of being sleeved outside the sleeve ring or the shrimp collection pipe, the end of the hoop is provided with a buckle plate, and a through hole is formed in the buckle plate.

[0009] Optionally, the hoop is provided with one strip, and the buckles at the starting end and the ending end of the hoop are oppositely distributed.

[0010] Optionally, the hoop is provided with two strips, and the two hoops are symmetrically distributed.

[0011] Optionally, the middle connecting part adopts a sleeve, a first thread is formed on the inner side of the sleeve, and a second thread capable of being screwed with the first thread is formed on the outer side of the sleeve.

[0012] Optionally, in the same filter assembly, the sleeve and the sleeve ring are integrally connected.

[0013] Compared with the prior art, the filter separation device has the following beneficial effects:

[0014] (1) In the filter separation device, at least two filter screens are provided, the filter separation device is fixed at the shrimp collecting switch from the beginning, so that the abundant shrimps lost at the beginning of water release can be reduced; when secondary filtering is performed, the upper filter assembly intercepting large sundries is removed, and the lower filter assembly can continue to play a role, thereby reducing the overall replacement frequency; meanwhile, the device has a simple structure, is convenient for breeders and experimental operators to quickly master and manage, and can also adjust the specifications and the number of layers of the filter screen according to actual needs.

[0015] (2) In the filter separation device, the middle connecting part adopts a hoop, which can not only realize the connection between the filter assembly and the shrimp collecting pipe, but also realize the connection between different filter assemblies, thereby improving the convenience of installation of the device, and facilitating the user to adjust the number of layers of the filter screen according to actual needs.

[0016] (3) In the filter separation device, the middle connecting part can also adopt a sleeve, the different filter assemblies can be connected through the threads on the inner side of the sleeve, the connection strength can resist the impact of large water pressure, and the different filter assemblies can be prevented from falling off during the shrimp collecting process. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the filter separation device (adopting a hoop) in the embodiment of the utility model;

[0018] Figure 2 is an exploded structural schematic view of the filter separation device (adopting a hoop) in the embodiment of the utility model;

[0019] Figure 3 is a structural schematic view of the filter assembly (adopting a hoop) in the embodiment of the utility model;

[0020] Figure 4 is an internal structural schematic view of the filter assembly (adopting a hoop) in the embodiment of the utility model;

[0021] Figure 5 is the structural schematic diagram of the filtering separation device (adopting sleeve) in the embodiment of the utility model;

[0022] Figure 6 is the exploded structural schematic diagram of the filtering separation device (adopting sleeve) in the embodiment of the utility model;

[0023] Figure 7 is the structural schematic diagram of the filtering assembly (adopting sleeve) in the embodiment of the utility model;

[0024] Figure 8 is the internal structural schematic diagram of the filtering assembly (adopting sleeve) in the embodiment of the utility model;

[0025] Among them, 1, sleeve ring;2, filter screen;3, hoop;4, buckle plate;5, through hole;6, sleeve. DETAILED DESCRIPTION

[0026] The utility model will be further explained in detail in combination with the drawings and embodiments, these drawings are all simplified schematic diagram, just with the schematic way to show the basic structure of the utility model, therefore it just shows the constitution related with the utility model.

[0027] Embodiment one: as Figure 1 、 Figure 2 、 Figure 3 And Figure 4 Indicated, a kind of filtering separation device for abundant year shua hatches, including at least two for filtering eggshell, unsuccessful hatching egg and other sundries filtering assembly;Filtering assembly includes the filter screen 2, sleeve ring 1 and central connecting component connected in sequence along the axial direction, filter screen 2 is located below sleeve ring 1, and central connecting component is located above sleeve ring 1;Central connecting component therein not only can be connected with shua collecting pipe, but also can connect two adjacent sleeve ring 1 together, to realize the overlapping installation of filtering assembly.

[0028] The above, filtering assembly can be installed in shua collecting pipe end, also can be connected with other filtering assembly along the axial direction in sequence and overlap, i.e. the inner diameter of central connecting component is equal to the outer diameter of sleeve ring 1;Such design is convenient for adjusting the number of layers of filter screen 2 according to actual needs, and in adjacent two filtering assemblies, filter screen 2 is nested in sequence from top to bottom along the axial direction.

[0029] When two filtering assemblies are arranged, the middle connecting component of the lower layer is sleeved outside the collar 1 of the upper layer, the middle connecting component of the upper layer is sleeved at the end of the shrimp collecting pipe, and the filter screen 2 of the upper layer is nested in the filter screen 2 of the lower layer; the two layers of filtering assemblies are fixed at the shrimp collecting switch from the beginning, which can reduce the loss of abundant year shrimps at the beginning of water release, improve the shrimp collecting efficiency, and only remove the larger debris of the upper layer during cleaning, and the lower layer can still continue to play a role, thereby reducing the overall replacement frequency, and the specially designed mesh size can also ensure that the abundant year shrimps will not flow through the layers of filter screens 2.

[0030] The device has a simple structure, is easy for breeders and experimental operators to quickly master and manage, does not need artificial whole process operation, only needs to collect the double-layer filtering assembly after the shrimp collecting is completed, can adjust the specifications and layers of the filter screen 2 according to actual needs, and effectively improves the filtering efficiency of the lower layer filtering assembly on the abundant year shrimp larvae.

[0031] Among them, the mesh size of the filter screen 2 decreases from top to bottom, for example, the mesh size of the upper layer filter screen 2 is 80 meshes, and the mesh size of the lower layer filter screen 2 is 100 meshes; the higher the mesh size, the more the number of meshes per unit length, and the smaller the mesh size; on the contrary, the lower the mesh size, the larger the mesh size.

[0032] Further, the middle connecting component adopts a hoop 3, the end of the hoop 3 is provided with a buckle plate 4, and the buckle plate 4 is provided with a through hole 5; the hoop 3 can be sleeved outside the collar 1 or the shrimp collecting pipe, the buckle plates 4 are oppositely distributed, a fastener such as a bolt is passed through the through hole 5, and as the bolt and the nut are screwed, the spacing between the two opposite buckle plates 4 changes; when installed, the spacing between the two is smaller, the pressure of the inner side of the hoop 3 on the collar 1 or the shrimp collecting pipe increases, the static friction force also increases accordingly, and then the fixing of the adjacent two collars 1 or the collar 1 and the shrimp collecting pipe is realized; on the contrary, only the spacing between the two is enlarged, and the disassembly can be completed.

[0033] If the hoop 3 of the filtering assembly is provided with only one, at this time, the buckle plates 4 at the starting end and the terminal end of the hoop 3 are oppositely distributed, that is, only one end of the filtering assembly can adjust the extrusion force of the hoop 3 on the collar 1 or the shrimp collecting pipe, which is convenient for disassembly and assembly.

[0034] If the hoop 3 of the filtering assembly is provided with two, at this time, the two hoops 3 are symmetrically distributed, that is, the filtering assembly has two ends which can adjust the extrusion force between the hoop 3 and the collar 1 or the shrimp collecting pipe, which can improve the overall control flexibility, and the installation firmness is greatly improved.

[0035] Example two: as Figure 4 , Figure 6 , Figure 7 and Figure 8As shown, based on Embodiment 1, the connecting component can also use a sleeve 6. The inner side of the sleeve 6 is provided with a first thread, and the outer side of the collar 1 is provided with a second thread that can be screwed into the first thread.

[0036] The first thread is an internal thread, and the second thread is an external thread. The two can be screwed together to connect the sleeve 6 with the collar 1 of other filter components. The threaded connection has a simple structure, high connection strength, and can withstand the impact of large water pressure. It can prevent different filter components from falling off during the shrimp harvesting process. It has good stability and does not require additional parts to assist it. It can achieve the connection on its own.

[0037] To facilitate the rotation of the sleeve 6, an outwardly protruding handle can be provided on the outer circumferential surface of the sleeve 6, making it convenient for the user to apply rotational force.

[0038] To facilitate the production and manufacturing of the filter assembly, the sleeve 6 and the collar 1 are integrally molded within the same filter assembly.

[0039] In addition, during the connection process between the sleeve 6 and the shrimp collecting tube, a corresponding external thread needs to be opened at the end of the shrimp collecting tube.

[0040] In summary, this utility model provides a filtration and separation device, which is used in conjunction with brine shrimp hatching equipment. The central connecting component can fix the filter assembly at the shrimp collection switch, and different filter assemblies can also be connected to each other through the central connecting component, effectively improving separation efficiency, shortening filtration and separation time, and reducing the number of brine shrimp lost when releasing the lower layer of water during the filtration and separation process.

[0041] By fixing the two-layer filter assembly to the shrimp collection switch from the beginning, the loss of brine shrimp at the initial water release can be reduced. The specially designed mesh size also ensures that brine shrimp will not pass through the layers of filtration and be lost. When cleaning, only the larger debris in the upper layer needs to be removed, and the lower layer can continue to function for a period of time, thereby reducing the frequency of overall replacement. The device is easy to install and use, with a simple structure that allows farmers to quickly get started and manage it. No manual operation is required throughout the process; the double-layer filter 2 can be removed only after the shrimp collection is completed. It is highly flexible: the mesh size and number of layers of filter 2 can be adjusted according to actual needs.

[0042] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0043] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0044] Based on the preferred embodiments of this utility model described above, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A filtration and separation device for brine shrimp hatching, characterized in that: It includes multiple filter components that can be stacked sequentially along the axial direction. Each filter component includes a filter screen (2), a collar (1), and a connecting component connected in sequence. The filter screen (2) is located below the collar (1), and the connecting component is located above the collar (1). Two adjacent collars (1) are connected by the connecting component.

2. The filtration and separation device for brine shrimp hatching according to claim 1, characterized in that: In two adjacent filter components, the lower connecting component is sleeved on the outside of the upper collar (1), and the inner diameter of the connecting component is equal to the outer diameter of the collar (1).

3. The filtration and separation device for brine shrimp hatching according to claim 2, characterized in that: In two adjacent filter components, the filter screens (2) are nested sequentially from top to bottom along the axial direction.

4. The filtration and separation device for brine shrimp hatching according to claim 3, characterized in that: The connecting component adopts a hoop (3) that can be fitted onto the outside of the collar (1) or the shrimp collecting tube. The end of the hoop (3) is provided with a buckle plate (4), and the buckle plate (4) is provided with a through hole (5).

5. The filtration and separation device for brine shrimp hatching according to claim 4, characterized in that: The hoop (3) is provided with one buckle plate (4) located at the beginning and end of the hoop (3) and distributed opposite to each other.

6. The filtration and separation device for brine shrimp hatching according to claim 4, characterized in that: Two hoop rings (3) are provided, and the two hoop rings (3) are symmetrically distributed.

7. The filtration and separation device for brine shrimp hatching according to claim 3, characterized in that: The connecting component adopts a sleeve (6), the inner side of the sleeve (6) is provided with a first thread, and the outer side of the collar (1) is provided with a second thread that can be screwed with the first thread.

8. The filtration and separation device for brine shrimp hatching according to claim 7, characterized in that: Within the same filter assembly, the sleeve (6) and the collar (1) are integrally formed and connected.

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