Biological membrane filter for aquaculture

Abstract

The utility model discloses a biomembrane filter for aquaculture, which belongs to the technical field of biomembrane filters, and comprises a shell, a water inlet, a water outlet, a water outlet, a water inlet pipe, a water outlet pipe, a water outlet pipe, a water inlet pipe and a water outlet pipe, and the outer wall of the shell is fixedly connected with supporting legs; the filter plate is fixedly connected to the inner wall of the shell, a rotating rod is rotationally connected to the interior of the filter plate, and a scraper is fixedly connected to the outer wall of the rotating rod; the spiral blade is fixedly connected to the bottom end of the rotating rod, and the spiral blade is in sliding connection with the inner wall of the water inlet; a water source is preliminarily filtered through the filter plate, water is injected from the water inlet, water flow impacts the spiral blade, then the spiral blade drives the rotating rod to rotate, the filter plate is cleaned by the scraper plate to prevent the filter plate from being blocked, and the problem that the water is likely to be blocked due to more fixed suspended solids in water during filtering is avoided. The filter element needs to be frequently replaced and cleaned, and the labor cost is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to biological membrane filter technical field especially relates to a biological membrane filter for aquaculture. BACKGROUND

[0002] The biological membrane filter for aquaculture is a kind of filter equipment specially designed for aquaculture environment. It uses the action principle of biological membrane, effectively removes harmful substances and impurities in water, and provides cleaner and healthier living environment for breeding organisms.

[0003] Through the search, the patent with Chinese patent number CN210559660U discloses a kind of biological membrane filter device for aquaculture, including filter body, the left and right two sides inner wall of filter body near top face is respectively connected with inlet pipe and outlet pipe, the top surface and bottom of filter body are all fixedly connected with baffle, the filter piece is clamped between the baffle of two and the left and right two sides inner wall between baffle side wall and filter body, the biological membrane filter device for aquaculture in above-mentioned patent exists following insufficient: since organic matter in aquaculture water mainly comes from feed, excrement and dead organism debris not eaten by breeding organism etc., when filtering is carried out by existing device, it can be due to more fixed suspended solids in water, leading to filter core needs to be frequently replaced and cleaned, increase artificial cost. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem that filter core needs to be frequently replaced and cleaned in prior art when filtering is carried out, and provides a kind of biological membrane filter for aquaculture.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of biological membrane filter for aquaculture, including shell, the outer wall of shell is fixedly connected with support leg, still include: water inlet, fixedly connected at the bottom end of shell;Filter plate, fixedly connected in the inner wall of shell, rotatingly connected with the inside of filter plate Rotary rod, the outer wall of rotary rod is fixedly connected with scraper;Spiral blade, fixedly connected at the bottom end of rotary rod, and the inner wall of spiral blade and water inlet is slidably connected.

[0007] Further, the inner wall of shell is fixedly connected with limit block, the outer wall of limit block is fixedly connected with return spring, one end of return spring away from limit block is fixedly connected with knock block.

[0008] Further, the end of rotary rod away from spiral blade is fixedly connected with driving plate, and the driving plate is slidably connected with filter plate.

[0009] Further, the upper rotation of the shell is connected with the sealing cover, the outer wall of the sealing cover is fixedly connected with the connecting block, the inside of the connecting block is threadedly connected with the threaded column, the inside of the threaded column is rotationally connected with the limiting ball, and the outer wall of the sealing cover is fixedly connected with the water outlet.

[0010] Further, the outer wall of the shell is fixedly connected with the fixing piece, the inside of the fixing piece is provided with the air bag two, and the inside of the shell is provided with the air bag one in communication with the air bag two.

[0011] Further, the inner wall of the shell is fixedly connected with the fixed block, the outer wall of the fixed block is provided with the filter core, and the filter core is slidably connected with the inner wall of the shell.

[0012] Further, the inner wall bottom end of the shell is provided as an arc-shaped funnel.

[0013] Compared with the prior art, the utility model provides a biological membrane filter for aquaculture has the following beneficial effects:

[0014] 1、 the biological membrane filter for aquaculture, through the filter plate to the water source carries out primary filtration, from the water inlet fills water, makes the water flow to the spiral blade and carries out impact, then makes the spiral blade drive the rotating rod rotation, makes the scraper clean the filter plate and prevents the filter plate from being blocked, avoids the problem that the filter core needs to be frequently replaced and cleaned due to more fixed suspended matters in water when filtering, increases artificial cost.

[0015] 2、 the biological membrane filter for aquaculture, through the rotation threaded column, makes in the fixed sealing cover, through the limiting ball extrusion air bag two makes air bag one inflation and further seals the sealing cover, and the disassembly of sealing cover is relatively simple, can very conveniently replace the filter core. ACCURACY

[0016] Figure 1 It is a three-dimensional main view structure schematic drawing of the biological membrane filter for aquaculture proposed in the utility model;

[0017] Figure 2 It is a structure schematic drawing of the shell section of the biological membrane filter for aquaculture proposed in the utility model;

[0018] Figure 3 It is a biological membrane filter for aquaculture proposed in the utility model; Figure 2 It is an enlarged view of area A;

[0019] Figure 4 It is a structure schematic drawing of the air bag one part of the biological membrane filter for aquaculture proposed in the utility model;

[0020] Figure 5The utility model provides a structure diagram of scraper part in biological membrane filter for aquaculture.

[0021] In the figure: 1, shell; 2, support leg; 3, water inlet; 4, sealing cover; 5, water outlet; 6, filter core; 7, fixed block; 8, filter plate; 9, rotating rod; 10, scraper; 11, spiral blade; 12, limit block; 13, return spring; 14, knock block; 15, drive plate; 16, connecting block; 17, threaded column; 18, limit ball; 19, fixed part; 20, air bag one; 21, air bag two. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] Reference Figures 1-5 A biological membrane filter for aquaculture, including shell 1, the outer wall of shell 1 is fixedly connected with support leg 2, still including the water inlet 3 of fixed connection at the bottom end of shell 1, the inner wall of shell 1 is fixedly connected with filter plate 8, the inside rotationally connected with rotating rod 9 of filter plate 8, the outer wall of rotating rod 9 is fixedly connected with scraper 10, the bottom end of rotating rod 9 is fixedly connected with spiral blade 11, and spiral blade 11 is slidably connected with the inner wall of water inlet 3, the water source is primarily filtered through filter plate 8, the water is filled from water inlet 3, so that the water flow impacts spiral blade 11, and then spiral blade 11 drives rotating rod 9 to rotate, so that scraper 10 cleans filter plate 8 to prevent filter plate 8 from being blocked, avoiding the problem that the fixed suspended matter in water is too much during filtering, so that filter core 6 needs to be frequently replaced and cleaned, increasing the labor cost.

[0025] The inner wall of shell 1 is fixedly connected with limit block 12, the outer wall of limit block 12 is fixedly connected with return spring 13, and the end, away from limit block 12, of return spring 13 is fixedly connected with knock block 14.

[0026] The end, away from the helical blade 11, of the rotating rod 9 is fixedly connected with a driving plate 15, the driving plate 15 is slidably connected with the filter plate 8, so that the rotating rod 9 rotates to drive the driving plate 15 to rotate to make the knocking block 14 slide up and down to knock the filter plate 8, avoiding the filter plate 8 from being blocked;

[0027] It should be noted that the elastic force of the reset spring 13 is small, so that the rotation of the driving plate 15 can drive the knocking block 14 to slide up against the elastic force of the reset spring 13 and then reset to realize the knocking of the filter plate 8.

[0028] The upper end of the shell 1 is rotatably connected with a sealing cover 4, the outer wall of the sealing cover 4 is fixedly connected with a connecting block 16, the connecting block 16 is threadedly connected with a threaded column 17 in the inside, the threaded column 17 is rotatably connected with a limiting ball 18 in the inside, and the outer wall of the sealing cover 4 is fixedly connected with a water outlet 5.

[0029] The outer wall of the shell 1 is fixedly connected with a fixing piece 19, the inside of the fixing piece 19 is provided with an air bag two 21, the inside of the shell 1 is provided with an air bag one 20 in communication with the air bag two 21, by rotating the threaded column 17, the air bag one 20 is inflated to further seal the sealing cover 4 by extruding the air bag two 21 through the limiting ball 18 while fixing the sealing cover 4.

[0030] The inner wall of the shell 1 is fixedly connected with a fixed block 7, the outer wall of the fixed block 7 is provided with a filter core 6, and the filter core 6 is slidably connected with the inner wall of the shell 1, so as to realize quick replacement and cleaning of the filter core 6.

[0031] The inner wall bottom end of the shell 1 is provided in an arc funnel shape, so that impurities filtered by the filter plate 8 are better discharged from the water inlet 3 when the filter core 6 is replaced.

[0032] In the utility model, the water source is primarily filtered through the filter plate 8, water is filled from the water inlet 3, the water flow impacts the helical blade 11, the helical blade 11 drives the rotating rod 9 to rotate, the scraper 10 cleans the filter plate 8 to prevent the filter plate 8 from being blocked, the problem that the filter core 6 needs to be frequently replaced and cleaned due to too much fixed suspended matter in the water during filtering is avoided, the labor cost is increased, the threaded column 17 is rotated, the air bag one 20 is inflated to further seal the sealing cover 4 by extruding the air bag two 21 through the limiting ball 18 while fixing the sealing cover 4, and the sealing cover 4 is relatively simple to disassemble, and the filter core 6 can be conveniently replaced.

[0033] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A biofilm filter for aquaculture, comprising a housing (1), wherein the outer wall of the housing (1) is fixedly connected to a support leg (2), characterized in that: Also includes: a water inlet (3) fixedly connected to the bottom end of the housing (1); A filter plate (8) is fixedly connected to the inner wall of the housing (1); a rotating rod (9) is rotatably connected inside the filter plate (8); and a scraper (10) is fixedly connected to the outer wall of the rotating rod (9); The spiral blade (11) is fixedly connected to the bottom end of the rotating rod (9), and the spiral blade (11) is slidably connected to the inner wall of the water inlet (3).

2. A biofilm filter for aquaculture according to claim 1, characterized in that: The inner wall of the housing (1) is fixedly connected to a limit block (12), the outer wall of the limit block (12) is fixedly connected to a return spring (13), and one end of the return spring (13) away from the limit block (12) is fixedly connected to a knocking block (14).

3. A biofilm filter for aquaculture according to claim 1, characterized in that: One end of the rotating rod (9) away from the spiral blade (11) is fixedly connected to a driving plate (15), and the driving plate (15) is slidably connected to the filter plate (8).

4. A biofilm filter for aquaculture according to claim 1, characterized in that: A sealing cover (4) is rotatably connected to the upper portion of the housing (1), a connecting block (16) is fixedly connected to the outer wall of the sealing cover (4), a threaded column (17) is internally threadedly connected to the connecting block (16), a limiting ball (18) is rotatably connected to the inner portion of the threaded column (17), and a water outlet (5) is fixedly connected to the outer wall of the sealing cover (4).

5. The biofilm filter for aquaculture according to claim 1, characterized in that: The outer wall of the shell (1) is fixedly connected with a fixing member (19), the interior of the fixing member (19) is provided with a second airbag (21), and the interior of the shell (1) is provided with a first airbag (20) connected to the second airbag (21).

6. The biofilm filter for aquaculture according to claim 1, characterized in that: A fixing block (7) is fixedly connected to the inner wall of the housing (1), a filter element (6) is provided on the outer wall of the fixing block (7), and the filter element (6) is slidably connected to the inner wall of the housing (1).

7. The biofilm filter for aquaculture according to claim 1, characterized in that: The bottom end of the inner wall of the shell (1) is configured to be in an arc-shaped funnel shape.

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