CN214961939U - Filter equipment and fry hatching pond - Google Patents

Filter equipment and fry hatching pond Download PDF

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Publication number
CN214961939U
CN214961939U CN202121468834.7U CN202121468834U CN214961939U CN 214961939 U CN214961939 U CN 214961939U CN 202121468834 U CN202121468834 U CN 202121468834U CN 214961939 U CN214961939 U CN 214961939U
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CN
China
Prior art keywords
frame
sliding
fixed
filter
filtering
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Active
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CN202121468834.7U
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Chinese (zh)
Inventor
宋建
朱金利
王崇武
左俊丽
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Wuhan Wuqi Oriental Aquaculture Co ltd
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Wuhan Wuqi Oriental Aquaculture Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Abstract

The utility model discloses a filter and fry hatching pond relates to aquaculture technical field, including sliding frame and filter screen, the filter screen full bed is on the sliding frame, and the filter screen can permeate water and prevent the roe to pass through, and the sliding frame is made for corrosion-resistant material, and the outer edge of sliding frame be used for with fry hatching pond in the inner wall sliding connection of filter tank, the sliding frame can slide to breaking away from the filter tank. This filter equipment non-deformable just conveniently dismantles, and then improves the hatching efficiency of fry hatchery.

Description

Filter equipment and fry hatching pond
Technical Field
The utility model relates to an aquaculture technical field specifically is a filter equipment is related to.
Background
The fry hatching pool is a hatching device commonly used in the field of aquaculture, and a plurality of filtering screen windows are arranged on the circumferential wall of the fry hatching pool, so that the fry hatching pool has the main functions of discharging water in the annular hatching channel, preventing hatched eggs from being washed away along with water flow and ensuring normal hatching of the eggs. Original screen window is wood system frame, and for disposable, installs the screen window on the cement tank during the installation, seals fixedly with wooden wedge and cement, can not freely remove, presses the gauze on wood system frame with long stuff earlier, and later nail will be in the same place long stuff and wood system frame with the nail to it is fixed to realize the gauze.
When hatching the roe, accumulate impurity on the screen window surface very easily, but because wooden screen window belongs to disposable fixed, can not dismantle, be difficult to dismantle and wash the screen window, and the cement groove position that the screen window was located is narrow and small, also is difficult to carry out the normal position to the screen window and washs, and then makes screen window surface accumulation impurity easily, blocks up the screen window and makes the water in the ring can not normally discharge, influences the normal hatching of roe. On the other hand, wood system screen window exposes outside for a long time, and the sun is drenched, is corroded easily, absorbs water and warp for great crack appears at the screen window edge, and the roe will be along with the gap is discharged from the delivery port, influences the normal hatching of roe, causes the loss.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a filter equipment and fry hatching pond to solve the problem that above-mentioned prior art exists, non-deformable, and convenient the dismantlement, and then improve hatching efficiency.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a filtering device, including sliding frame and filter screen, the filter screen full pave in on the sliding frame, the filter screen can permeate water and prevent the roe to pass through, the sliding frame is made for corrosion-resistant material, just the outer edge of sliding frame is used for the inner wall sliding connection with the filter-tank in the fry hatching pond, the sliding frame can slide to breaking away from the filter-tank.
Preferably, the sliding frame includes a supporting frame, a sliding element and a pressing frame, the sliding element is fixed on the outer edge of the supporting frame, the sliding element is used for being connected with the inner wall of the filter tank in a sliding mode, the sliding element can slide out of the filter tank through the opening of the filter tank, the outer edge of the filter screen is fixed on the pressing frame, and the pressing frame is fixed on one side of the supporting frame.
Preferably, the support frame is a rectangular frame, and the support frame comprises four frame strips fixed end to end in sequence, the sliding element comprises three sliding strips, the sliding strips are fixed on the outer edges of the three side walls of the support frame respectively, and are located at two opposite sides, the sliding strips are connected to two opposite inner walls of the filter tank in a sliding mode respectively, and the sliding strips are embedded into the inner bottom surface of the filter tank.
Preferably, the filter screen is the rectangle, press the frame to include four layering, the outward flange of filter screen is twined respectively and is fixed four the layering periphery.
Preferably, both ends of each of the pressing strips are fixed to the support frame through a connecting element, one of the frame strips corresponds to one of the pressing strips, and a mounting groove is formed in a position, corresponding to each of the connecting elements, of each of the frame strips.
Preferably, the connecting element comprises a buckle and a limiting cap, the lower end of the buckle is fixed on the inner bottom surface of the mounting groove, the upper end of the buckle extends towards one side far away from the mounting groove, a through hole is formed in each of two ends of the pressing strip, the upper end of the buckle can penetrate through the through hole and enables the pressing strip to be fixed on the supporting frame, the limiting cap can be fixed on the upper end of the buckle and can be detached, and the limiting cap is used for preventing the buckle from being separated from the through hole.
Preferably, the buckle comprises two clamping pieces, each clamping piece comprises a head part and a supporting part, one end of each supporting part is fixed on the inner bottom surface of the mounting groove, the other end of each supporting part is fixedly connected with the head part, a gap is formed between the two head parts, the two head parts can approach or separate from each other in the first direction and change the size of the gap, the two head parts can approach each other in the first direction to penetrate through the through hole, the two head parts can separate from each other and keep the maximum distance of the outer side walls of the two head parts in the first direction larger than the maximum distance of the through hole in the first direction and press the pressing strip on the supporting frame;
the limiting cap comprises two transverse plates, a middle plate and a longitudinal plate, wherein the two longitudinal plates are fixed at two ends of each transverse plate respectively, the middle plate is fixed at the middle part of each transverse plate, the middle plate and the longitudinal plate are perpendicular to the transverse plates and are fixed at the same side of the transverse plates, the middle plate can extend into the two transverse plates between the heads, the longitudinal plate is an L-shaped plate, the longitudinal plate is far away from the longitudinal plate, one end of each transverse plate extends in the direction perpendicular to the transverse plate and close to the middle plate, and the transverse plates can be clamped between the heads and the pressing strips.
Preferably, the two mounting grooves on the same frame strip are respectively formed at two ends of the frame strip in the length direction, a baffle is fixed to one side of each of the two mounting grooves, which is close to the end of the frame strip in the length direction, and the two connecting elements on the same frame strip are located between the two baffles.
Preferably, the sliding frame is made of an aluminum alloy material.
The utility model also provides a fry hatching pond, including any one of a plurality of rings way and a plurality of above-mentioned technical scheme filter equipment, it is adjacent form annular cavity between the ring way, indoor fish egg and the water of being used for of annular chamber, each a plurality of filter-vats have all been seted up on the ring way, the upper end opening of filter-vat, just be close to on the filter-vat one side opening of ring way outer wall, the interior bottom surface of filter-vat is equipped with the drain pipe, the drain pipe can communicate filter-vat and external, the spout has been seted up on two relative lateral walls on the filter-vat, just the both ends of spout extend respectively to the upper and lower both ends of filter-vat, the periphery and each of sliding frame sliding connection, just the sliding frame can slide to breaking away from the spout.
The utility model discloses for prior art gain following technological effect:
the utility model provides a filtering device, the outer edge of a sliding frame is used for being connected with the inner wall of a filtering groove in a fry hatching pond in a sliding way, and the sliding frame can slide to be separated from the filtering groove, thereby facilitating the realization of the installation and the disassembly of the filtering device, facilitating the regular disassembly and cleaning of the filter screen to improve the filtering effect, further improving the fry hatching efficiency, the filter screen is fully paved on the sliding frame to prevent the large gap between the filter screen and the sliding frame from causing the fish eggs and the fish fries to enter the filter tank through the gap to influence the filtering effect, the filter screen can permeate water and prevent the fish eggs from passing through, can prevent the fry and the roes from being discharged through the filter tank on the premise of ensuring the circulation of water, improves the hatching efficiency, can be used in a fry hatching pond for a long time because the sliding frame is made of corrosion-resistant materials, and long service life, non-deformable can prevent to produce big gap and lead to fry and roe mistake to discharge.
The utility model provides a fry hatching pond, a plurality of filter-tanks have all been seted up on each circuit, the interior bottom surface of filter-tank is equipped with the drain pipe, the drain pipe can communicate filter-tank and external, and then the discharge of the water of being convenient for, so as to carry out the change of water, the spout has all been seted up on two relative lateral walls on the filter-tank, the both ends of spout extend to the upper and lower both ends of filter-tank respectively, the periphery and each spout sliding connection of sliding frame, and sliding frame can slide to breaking away from the spout, thereby can realize filter equipment's dismantlement, so that regularly clear up filter equipment, prevent that filter equipment from blockking up influence fry hatching efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a filter device provided in one embodiment;
FIG. 2 is a schematic view illustrating connection of a bead and a support frame in a filtering apparatus according to an embodiment;
FIG. 3 is a schematic view of a connection element in a filter device according to one embodiment;
FIG. 4 is a schematic structural diagram of a compression bar in a filtering apparatus according to an embodiment;
FIG. 5 is a schematic structural diagram of a filter tank in a fry hatchery provided in the second embodiment;
in the figure: 100-fry hatching pond, 10-filtering device, 1-supporting frame, 11-mounting groove, 12-baffle, 2-filter screen, 3-pressing bar, 31-through hole, 4-sliding bar, 5-connecting element, 51-head, 52-supporting part, 6-limiting cap, 61-transverse plate, 62-longitudinal plate, 63-middle plate, 20-filtering groove, 30-sliding groove and 40-drainage pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a filter equipment and fry hatching pond to solve current filter equipment and warp easily, and be difficult for dismantling the clearance, influence the technical problem of fry hatching efficiency.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
As shown in fig. 1-4, the present embodiment provides a filtering apparatus 10, which includes a sliding frame and a filtering net 2, wherein the filtering net 2 is fully laid on the sliding frame to prevent a large gap from occurring between the filtering net 2 and the sliding frame, which causes roes and fry to enter into a filtering tank 20 through the gap, which affects the filtering effect, the filtering net 2 is permeable to water and prevents the roes from passing through, while the circulation of water is ensured, the fry and the roes can be prevented from being discharged through the filtering tank 20, which improves the hatching efficiency, the sliding frame is made of corrosion-resistant material, which can be used in a fry hatching pool 100 for a long time, has a long service life, is not easy to deform, which can prevent the fry and the roes from being discharged by mistake due to the large gap, and the outer edge of the sliding frame is used for sliding connection with the inner wall of the filtering tank 20 in the fry hatching pool 100, the sliding frame can slide to separate from the filtering tank 20, thereby facilitating the implementation of the installation and the disassembly and the cleaning of the filtering net 10, and facilitating the periodic disassembly and cleaning of the filtering net 2, so as to improve the filtering effect and further improve the fry hatching efficiency.
Specifically, the sliding frame includes carriage 1, sliding element and pressure frame, sliding element fixes the outer fringe at carriage 1, and sliding element is used for with 20 inner wall sliding connection of filter tank, sliding element can pass through filter tank 20's opening roll-off filter tank 20, thereby be convenient for realize the extraction of whole filter equipment 10, and then be convenient for wash filter screen 2, filter screen 2's outward flange is fixed on pressing the frame, thereby support filter screen 2's outward flange through pressing the frame, guarantee the intensity at filter screen 2 edge, and then improve overall structure's stability, and press the frame to fix in one side of carriage 1, thereby realize being connected of filter screen 2 and carriage 1.
The support frame 1 is a rectangular frame, preferably, the specific shape of the support frame 1 is consistent with that of the filter tank 20, so as to improve the filtering effect, the support frame 1 comprises four frame strips which are sequentially fixed end to end, the sliding element comprises three sliding strips 4, the three sliding strips 4 are respectively fixed at the outer edges of three side walls of the support frame 1, two sliding strips 4 which are positioned at two opposite sides are respectively connected onto two opposite inner walls of the filter tank 20 in a sliding manner, the other sliding strip 4 is embedded into the inner bottom surface of the filter tank 20, so as to prevent fish eggs and fish fries from entering the filter tank 20 through a gap between the inner bottom surfaces of the support frame 1 and the filter tank 20, namely, the frame strip 4 at the upper end is not arranged, so that the filter device 10 can be conveniently extracted.
The filter screen 2 is the rectangle, and the pressure frame includes four layering 3, and the outward flange of filter screen 2 twines respectively to be fixed in four layering 3 peripheries, and is preferred, and the outward flange winding layering 3 of filter screen 2 is 2-3 circles to carry out stable support through four layering 3 to the outward flange of filter screen 2, can prevent the phenomenon of drawing silk when connecting on support frame 1.
Both ends of each layering 3 are all fixed on braced frame 1 through a connecting element 5, and a frame strip corresponds layering 3, and mounting groove 11 has all been seted up to the position that corresponds each connecting element 5 on each frame strip, and each mounting groove 11 is seted up near the tip on the frame strip length direction respectively to be convenient for realize the full shop of filter screen 2.
Connecting element 5 includes buckle and spacing cap 6, the lower extreme of buckle is fixed at the interior bottom surface of mounting groove 11, the upper end of buckle extends to the one side of keeping away from mounting groove 11, a through-hole 31 has all been seted up at the both ends of layering 3, the upper end of buckle can pass through-hole 31 and make layering 3 fix on carriage 1, thereby fix filter screen 2 on carriage 1, spacing cap 6 can be fixed in the upper end of buckle and spacing cap 6 can dismantle, thereby be convenient for filter screen 2's change, spacing cap 6 is used for preventing that the buckle breaks away from through-hole 31, in order to guarantee the filtering process, overall structure's stability.
The buckle is made of aluminum alloy materials, the buckle comprises two clamping pieces, each clamping piece comprises a head part 51 and a supporting part 52, one end of each supporting part 52 is fixed on the inner bottom surface of the mounting groove 11, the other end of each supporting part 52 is fixedly connected with the head part 51, a gap is arranged between the two head parts 51 on one side opposite to the two clamping pieces, the two head parts 51 can be close to or away from each other in the first direction and the size of the gap is changed, the two head parts 51 can be close to each other in the first direction to penetrate through the through hole 31, the two head parts 51 can be away from each other and the maximum distance of the outer side walls of the two head parts 51 in the first direction is larger than the maximum distance of the through hole 31 in the first direction, the pressing strip 3 is pressed on the supporting frame 1, when the pressing strip 3 is fixed, the two head parts 51 are close to each other by pressing, and the through hole 31 on the pressing strip 3 is sleeved on the periphery of the supporting parts 52 through the upper ends of the head parts 51, stopping applying force to the two heads 51, and resetting the two heads 51 to be clamped on the upper end surface of the pressing strip 3;
the spacing cap 6 comprises a transverse plate 61, an intermediate plate 63 and a longitudinal plate 62, so that the spacing cap 6 forms an M-shape, the longitudinal plates 62 being two, and are respectively fixed at both ends of the transverse plate 61, the intermediate plate 63 is fixed at the middle of the transverse plate 61, both the intermediate plate 63 and the longitudinal plate 62 are perpendicular to the transverse plate 61, and are all fixed on the same side of the transverse plate 61, the intermediate plate 63 can extend between the two heads 51, the longitudinal plate 62 is an L-shaped plate, and one end of the longitudinal plate 62, which is far away from the transverse plate 61, extends towards the direction vertical to and close to the middle plate 63, and can be clamped between the head part 51 and the pressing strip 3, so that the two heads 51 are blocked from moving towards each other by the intermediate plate 63 and the two heads 51 are blocked from moving away from each other by the two longitudinal plates 62, a form-locking of the snap is obtained, and then improve the spacing effect to layering 3, guarantee overall structure's stability, and then improve fry incubation efficiency.
Two mounting grooves 11 on same frame strip are seted up respectively in the ascending both ends of frame strip length direction, and are close to a fixed baffle 12 in one side of the ascending tip of frame strip length direction on two mounting grooves 11, the one side fixed stop 12 of keeping away from each other on two mounting grooves 11 promptly, and two connecting element 5 on the same frame strip are located between two baffles 12 to prevent roe and fry through in mounting groove 11 gets into filter-tank 20, influence fry hatching efficiency.
The sliding frame is made of aluminum alloy materials, has light weight, low cost and corrosion resistance, and is suitable for being used in the fry hatchery 100.
Example two
As shown in fig. 5, the present embodiment provides a fry hatching pond 100, which comprises a plurality of circular paths and a filtering device 10 according to the first embodiment, wherein an annular chamber is formed between adjacent circular paths, the annular chamber is used for laying fish eggs and water, each circular path is provided with a plurality of filtering troughs 20, the upper ends of the filtering troughs 20 are open, one side of each filtering trough 20 close to the outer wall of the circular path is open, the inner bottom surface of each filtering trough 20 is provided with a drain pipe 40, the drain pipe 40 can communicate the filtering trough 20 with the outside so as to facilitate the discharge of water, so as to facilitate the replacement of water, two opposite side walls and the inner bottom surface of each filtering trough 20 are provided with sliding chutes 30, two ends of each sliding chute 30 located on the side wall of each filtering trough 20 respectively extend to the upper end and the lower end of each filtering trough 20, two ends of each sliding chute 30 located on the inner bottom surface of each filtering trough 20 respectively extend to the two opposite side walls of each filtering trough 20, two sides of a sliding frame are slidably connected with each sliding chute 30, and the sliding frame can slide to break away from the chute 30 to can realize the dismantlement of filter equipment 10, so that regularly clear up filter equipment 10, prevent that filter equipment 10 from blockking up and influencing fry hatching efficiency, the opposite side of sliding frame imbeds in the chute 30, can improve the shutoff effect, and mode roe and fry get into in the filter tank 20.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present description should not be construed as a limitation of the present invention.

Claims (10)

1. A filter device, characterized by: including sliding frame and filter screen, the filter screen full pave in on the sliding frame, the filter screen can permeate water and prevent the roe to pass through, the sliding frame is made for corrosion-resistant material, just the outer edge of sliding frame be used for with fry hatching pond filter tank's inner wall sliding connection, the sliding frame can slide to breaking away from the filter tank.
2. The filtration device of claim 1, wherein: the sliding frame comprises a supporting frame, a sliding element and a pressing frame, the sliding element is fixed to the outer edge of the supporting frame, the sliding element is used for being connected with the inner wall of the filter tank in a sliding mode, the sliding element can slide out of the filter tank through the opening of the filter tank, the outer edge of the filter screen is fixed to the pressing frame, and the pressing frame is fixed to one side of the supporting frame.
3. The filtration device of claim 2, wherein: the utility model discloses a filter tank, including the filter tank, the carriage is the rectangle frame, just the carriage includes four frame strips that end to end fixes in proper order, sliding element includes three draw runner, and is three the draw runner is fixed respectively the three lateral wall outer fringe of carriage, and be located two of relative both sides the draw runner is sliding connection respectively on two relative inner walls on the filter tank, another the draw runner embedding filter tank inner bottom surface.
4. A filter arrangement according to claim 3 wherein: the filter screen is the rectangle, press the frame to include four layering, the outward flange of filter screen is twined respectively and is fixed four the layering periphery.
5. The filtration device of claim 4, wherein: two ends of each pressing strip are fixed on the supporting frame through a connecting element, one of the frame strips corresponds to one pressing strip, and a mounting groove is formed in the position, corresponding to each connecting element, of each frame strip.
6. The filtration device of claim 5, wherein: the connecting element comprises a buckle and a limiting cap, the lower end of the buckle is fixed on the inner bottom surface of the mounting groove, the upper end of the buckle extends to one side far away from the mounting groove, through holes are formed in the two ends of the pressing strip, the upper end of the buckle can penetrate through the through holes and enables the pressing strip to be fixed on the supporting frame, the limiting cap can be fixed at the upper end of the buckle and can be detached, and the limiting cap is used for preventing the buckle from being separated from the through holes.
7. The filtration device of claim 6, wherein: the buckle comprises two clamping pieces, each clamping piece comprises a head part and a supporting part, one end of each supporting part is fixed on the inner bottom surface of the mounting groove, the other end of each supporting part is fixedly connected with the head part, a gap is formed between the two head parts, the two head parts can approach or separate from each other in the first direction and change the size of the gap, the two head parts can approach each other in the first direction to penetrate through the through hole, the two head parts can separate from each other and keep the maximum distance of the outer side walls of the two head parts in the first direction larger than the maximum distance of the through hole in the first direction, and the pressing strip is pressed on the supporting frame;
the limiting cap comprises two transverse plates, a middle plate and a longitudinal plate, wherein the two longitudinal plates are fixed at two ends of each transverse plate respectively, the middle plate is fixed at the middle part of each transverse plate, the middle plate and the longitudinal plate are perpendicular to the transverse plates and are fixed at the same side of the transverse plates, the middle plate can extend into the two transverse plates between the heads, the longitudinal plate is an L-shaped plate, the longitudinal plate is far away from the longitudinal plate, one end of each transverse plate extends in the direction perpendicular to the transverse plate and close to the middle plate, and the transverse plates can be clamped between the heads and the pressing strips.
8. The filtration device of claim 5, wherein: two mounting grooves on the same frame strip are respectively arranged at two ends of the frame strip in the length direction, a baffle is fixed on one side, close to the end part of the frame strip in the length direction, of the two mounting grooves, and the two connecting elements on the same frame strip are positioned between the two baffles.
9. The filtration device of claim 1, wherein: the sliding frame is made of aluminum alloy materials.
10. The utility model provides a fry hatching pond which characterized in that: the fish egg filtering device comprises a plurality of loops and a plurality of filtering devices according to any one of claims 1 to 9, wherein an annular cavity is formed between every two adjacent loops, the annular cavity is used for putting fish eggs and water in, each loop is provided with a plurality of filtering tanks, the upper ends of the filtering tanks are open, one side of each filtering tank, which is close to the outer wall of the loop, is open, the inner bottom surfaces of the filtering tanks are provided with drain pipes, the drain pipes can be communicated with the filtering tanks and the outside, two opposite side walls of each filtering tank are provided with sliding grooves, two ends of each sliding groove respectively extend to the upper end and the lower end of each filtering tank, the periphery of the sliding frame is in sliding connection with the sliding grooves, and the sliding frame can slide to be separated from the sliding grooves.
CN202121468834.7U 2021-06-30 2021-06-30 Filter equipment and fry hatching pond Active CN214961939U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121468834.7U CN214961939U (en) 2021-06-30 2021-06-30 Filter equipment and fry hatching pond

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121468834.7U CN214961939U (en) 2021-06-30 2021-06-30 Filter equipment and fry hatching pond

Publications (1)

Publication Number Publication Date
CN214961939U true CN214961939U (en) 2021-12-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121468834.7U Active CN214961939U (en) 2021-06-30 2021-06-30 Filter equipment and fry hatching pond

Country Status (1)

Country Link
CN (1) CN214961939U (en)

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