CN218988994U

CN218988994U - Biological filtering dam

Info

Publication number: CN218988994U
Application number: CN202320127650.7U
Authority: CN
Inventors: 陈力; 吴浩; 马国庆; 杨超臣; 孔璐; 龙钰; 徐建华; 妥志利
Original assignee: Hebei Academy Of Marine And Fishery Sciences Hebei Marine Fishery Ecological Environment Monitoring Station
Current assignee: Hebei Academy Of Marine And Fishery Sciences Hebei Marine Fishery Ecological Environment Monitoring Station
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-05-09
Anticipated expiration: 2033-01-12

Abstract

The utility model discloses a biological filtering dam, which belongs to the technical field of aquaculture and comprises a treatment tank and a dam body unit, wherein the dam body unit comprises a containing cylinder, a lifting plate, biological fillers and a net sheet, one end of the containing cylinder is connected with the bottom of the treatment tank, the other end of the containing cylinder extends out of the water surface of the treatment tank for a certain distance, the containing cylinder is provided with containing holes and water passing holes, and the water passing holes are provided with two water passing holes along the water flow direction and are respectively arranged at two sides of the containing holes; the lifting plate is arranged in the accommodating hole and is in sliding connection with the accommodating cylinder, and moves along the direction perpendicular to the water flow direction; the biological filler is arranged in the accommodating hole; the net piece is arranged on the water passing holes and corresponds to the water passing holes one by one. The biological filtering dam provided by the utility model solves the problems of complex structure and high manufacturing and use cost in the prior art; the filtering effect gradually decreases along with time, the disassembly and the assembly are difficult, and the tail water treatment effect and the treatment efficiency are affected. The utility model has obvious effect and is suitable for wide popularization.

Description

Biological filtering dam

Technical Field

The utility model relates to the technical field of aquaculture, in particular to a biological filter dam.

Background

At present, a filtering dam is arranged in a treatment pool for treating the culture tail water in the cold water fish culture process, so that environmental pollution is avoided, and the filtering dam can be used for filtering the culture water.

Most of the prior filtering dams for the treatment of the culture tail water have complex structures, high manufacturing and using costs and are not suitable for wide popularization; along with the extension of live time, the filter effect of some straining the dam can reduce gradually, but strain dam dismouting replacement difficulty, influence tail water treatment effect and treatment effeciency.

Aiming at the problems, a filtering dam is designed to solve the problems of complex structure, high manufacturing and using cost and inapplicability to wide popularization in the prior art; the filtering effect is gradually reduced along with the time, the disassembly and the assembly are difficult, and the tail water treatment effect and the treatment efficiency are affected

Disclosure of Invention

Aiming at the defects, the utility model solves the technical problems of providing a biological filter dam to solve the problems of complex structure, high manufacturing and using cost and inapplicability to wide popularization in the prior art; the filtering effect gradually decreases along with time, the disassembly and the assembly are difficult, and the tail water treatment effect and the treatment efficiency are affected.

The utility model provides a biological filter dam, which comprises a treatment tank and a dam body unit, wherein the dam body unit comprises:

the accommodating cylinder is arranged in the treatment tank, one end of the accommodating cylinder is connected with the bottom of the treatment tank, the other end of the accommodating cylinder extends out of the water surface of the treatment tank for a certain distance, the accommodating cylinder is provided with accommodating holes and water passing holes communicated with the accommodating holes, and the water passing holes are provided with two water passing holes along the water flow direction and are respectively arranged at two sides of the accommodating holes;

the lifting plate is arranged in the accommodating hole and is in sliding connection with the accommodating cylinder, and the lifting plate moves along the direction perpendicular to the water flow direction;

the biological filler is arranged in the accommodating hole and is used for filtering the wastewater;

the net pieces are arranged on the water passing holes and correspond to the water passing holes one by one and are used for passing water and limiting the positions of the biological fillers.

Preferably, the lifting assembly is further comprised for controlling the movement of the lifting plate, the lifting assembly comprising:

the lifting bracket is fixed on one side of the treatment pool;

the lifting pulley is rotationally connected with the lifting bracket;

the lifting driver is arranged on the lifting bracket;

one end of the traction rope is connected with the lifting plate, and the other end of the traction rope bypasses the lifting pulley and is connected with the lifting driver.

Preferably, the lifting bracket comprises:

one end of the support column is fixed on one side of the treatment tank, the other end of the support column extends to the upper part of the treatment tank, and two support columns are arranged;

the support shaft is connected with the two support columns and is rotationally connected with the lifting pulley;

the reinforcing columns are connected with the supporting columns and correspond to the supporting columns one by one and are used for enhancing the supporting effect of the supporting columns on the supporting shafts;

and the mounting columns are connected with the two support columns and arranged on one side, far away from the treatment pool, of the support shaft, and the lifting driver is arranged on the mounting columns.

Preferably, the dam body unit is provided with a plurality of dam body units side by side along the water flow direction, and both sides of any one of the dam body units are provided with the lifting components.

Preferably, the accommodating cylinder is provided with a limiting chute, and the lifting plate is provided with a lug which is clamped with the limiting chute; and a plurality of limiting sliding grooves are symmetrically arranged on the side wall of the accommodating hole.

Preferably, a side surface of the lifting plate, which is far away from the bottom of the treatment tank, is an inclined surface; the lifting plate is provided with a mounting hole connected with the traction rope.

Preferably, a cleaning opening is arranged at one end of the accommodating cylinder far away from the bottom of the treatment tank; the two support columns are respectively arranged at the two sides of the cleaning opening.

Preferably, the support column is L-shaped, the support shaft is arranged at one end of the support column extending to the upper part of the treatment tank, and the lifting pulley is arranged in an adaptive manner with the mounting hole.

Preferably, a limit groove for installing the dam unit is arranged in the treatment tank.

Preferably, the biological filler is a biological sphere.

According to the scheme, the biological filter dam can be used for efficiently filtering wastewater through the arrangement of the biological filler; the biological filler can be conveniently removed and replaced through the arrangement of the lifting plate, so that the filtering effect of the dam unit is ensured, the operation is simple and convenient, and the service life of the dam unit is longer; the lifting plate and the accommodating cylinder are simple in arrangement structure and low in manufacturing and use cost. The utility model solves the problems of complex structure, high manufacturing and using cost and inapplicability to wide popularization in the prior art; the filtering effect gradually reduces along with time, the disassembly and assembly are difficult, the tail water treatment effect and the treatment efficiency are affected, the effect is obvious, and the method is suitable for wide popularization.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a biological filter dam according to the present utility model;

FIG. 2 is a schematic top view of a biological filter according to the present utility model;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic diagram of a dam unit of a biological filter dam according to the present utility model;

FIG. 5 is a schematic diagram of the structure of the biological filter dam according to the present utility model when the biological filter dam is used for replacing biological fillers;

fig. 6 is a schematic structural view of a receiving cylinder and a lifting plate of a biological filter dam according to the present utility model.

In fig. 1-6:

1. a treatment pool; 2. a dam unit; 3. a lifting assembly; 11. a limit groove; 21. a receiving cylinder; 22. a lifting plate; 23. a biological filler; 24. a mesh sheet; 31. a lifting bracket; 32. a lifting pulley; 33. a lifting driver; 34. a traction rope; 211. a receiving hole; 212. a water passing hole; 213. limiting sliding grooves; 214. a cleaning port; 221. a bump; 222. an inclined plane; 223. a mounting hole; 311. a support column; 312. a support shaft; 313. a reinforcing column; 314. and (5) mounting a column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 6, a specific embodiment of a biological filter according to the present utility model will now be described. The biological filtering dam comprises a treatment tank 1 and a dam body unit 2, wherein the dam body unit 2 comprises a containing cylinder 21, a lifting plate 22, biological fillers 23 and a net sheet 24, the containing cylinder 21 is arranged in the treatment tank 1, one end of the containing cylinder 21 is connected with the bottom of the treatment tank 1, the other end of the containing cylinder extends out of the water surface of the treatment tank 1 for a certain distance, the containing cylinder 21 is provided with containing holes 211 and water passing holes 212 communicated with the containing holes 211, and the water passing holes 212 are provided with two water passing holes along the water flow direction and are respectively arranged on two sides of the containing holes 211; the lifting plate 22 is arranged in the accommodating hole 211 and is in sliding connection with the accommodating cylinder 21, and the lifting plate 22 moves along the direction perpendicular to the water flow direction; the biological stuffing 23 is arranged in the accommodating hole 211 and is used for filtering the wastewater; the mesh 24 is disposed on the water passing holes 212 and corresponds to the water passing holes 212 one by one, and is used for passing water and limiting the positions of the biological fillers 23.

For convenience of explanation, referring to fig. 1, a rectangular coordinate system is established with any point in space as an origin, a depth direction of the treatment tank 1 as a Z axis, a water flow direction as an X axis, and a straight line direction perpendicular to the X axis and the Z axis at the same time as a Y axis, wherein an XY plane is a horizontal plane, a direction indicated on the horizontal plane is a horizontal direction, and a direction indicated on the Z axis is a vertical direction.

In this embodiment, the bio-filler 23 is bio-sphere, fiber sphere, etc., which have larger specific surface area, and the nitrogen and phosphorus in the tail water are purified by the microorganism after the membrane is formed, and the bio-filler 23 is used for a period of time and then is fished out to be replaced by a new bio-filler 23 to continue the filtering operation, and the bio-filler 23 has low cost, can be directly replaced, and also can be cleaned and replaced by the bio-filler 23 to be reused. The treatment tank 1 is a sedimentation tank or a biological purification tank, submerged plants are planted in the treatment tank 1 so as to ensure that low-temperature-resistant bromhidrosis is optimal, and the dam body unit 2 is transversely intercepted at the downstream and the water outlet of the sedimentation tank or the biological purification tank. It is within the scope of the present disclosure to achieve the performance effects described above with respect to the bio-filler 23.

Compared with the prior art, the biological filter dam can efficiently filter wastewater through the arrangement of the biological filler 23; the biological filler 23 can be conveniently removed and replaced through the arrangement of the lifting plate 22, so that the filtering effect of the dam unit 2 is ensured, the operation is simple and convenient, and the service life of the dam unit 2 is longer; the lifting plate 22 and the accommodating cylinder 21 are simple in arrangement structure, low in manufacturing and using cost and suitable for wide popularization.

As another embodiment of the present utility model, the structure of the biological filter is substantially the same as that of the above-described example, except that the apparatus further comprises a lifting assembly 3 for controlling the movement of the lifting plate 22, the lifting assembly 3 comprising a lifting bracket 31, a lifting pulley 32, a lifting driver 33, and a traction rope 34, wherein the lifting bracket 31 is fixed to one side of the treatment tank 1; the lifting pulley 32 is rotatably connected with the lifting bracket 31; the lifting driver 33 is arranged on the lifting bracket 31, and the lifting driver 33 can be a motor; one end of the traction rope 34 is connected to the lifting plate 22, and the other end is connected to the lifting drive 33 by passing around the lifting pulley 32. The lifting driver 33 winds the traction rope 34, and the traction rope 34 drives the lifting plate 22 to realize lifting movement.

In this embodiment, a side surface of the lifting plate 22 far away from the bottom of the treatment tank 1 is an inclined surface 222, and when the lifting plate 22 is pulled to the top end by the inclined surface 222, the biological filler 23 on the lifting plate 22 can automatically slide down along the inclined surface 222, so that manual operation is not required, and the process of replacing the biological filler 23 is more convenient; the lifting plate 22 is provided with a plurality of mounting holes 223 connected with the traction ropes 34, and the mounting holes 223 are symmetrically arranged on the lifting plate 22 so as to ensure the stability of stress in the lifting process of the lifting plate 22.

As another embodiment of the present utility model, the structure of the biological filter dam is substantially the same as that of the above embodiment, except that the lifting bracket 31 includes a supporting column 311, a supporting shaft 312, a reinforcing column 313, and a mounting column 314, wherein one end of the supporting column 311 is fixed to one side of the treatment tank 1, the other end extends above the treatment tank 1, and the supporting column 311 is provided with two; the support shaft 312 is connected with the two support columns 311 at the same time and is rotationally connected with the lifting pulley 32; the reinforcing columns 313 are connected with the supporting columns 311 and are in one-to-one correspondence with the supporting columns 311, so as to enhance the supporting effect of the supporting columns 311 on the supporting shafts 312; the mounting columns 314 are connected to the two support columns 311 at the same time, and are provided on the side of the support shaft 312 away from the treatment tank 1, and the lifting drive 33 is mounted on the mounting columns 314.

In this embodiment, the support column 311 is in an L-shaped structure, the support shaft 312 is disposed at one end of the support column 311 extending to the upper portion of the treatment tank 1, and the lifting pulley 32 is adapted to the mounting hole 223, that is, the lifting pulley 32 is disposed above the mounting hole 223, so that the traction rope 34 can apply a vertical upward force to the lifting plate 22, and energy waste is avoided.

As another embodiment of the present utility model, the structure of the biological filter dam is basically the same as that of the above embodiment, and the difference is that the dam body units 2 are arranged in parallel along the water flow direction, and the lifting assemblies 3 are arranged on both sides of any one of the dam body units 2. The arrangement of the plurality of dam units 2 can ensure that when the biological filler 23 in one of the accommodating cylinders 21 is replaced, the rest of the dam units 2 can still normally perform wastewater filtering operation without influencing the filtering operation.

In the present embodiment, the accommodating cylinder 21 is provided with a limiting chute 213, and the lifting plate 22 is provided with a bump 221 engaged with the limiting chute 213; the limiting sliding grooves 213 are symmetrically arranged on the side wall of the accommodating hole 211.

In this embodiment, a cleaning opening 214 is provided at one end of the accommodating cylinder 21 far away from the bottom of the treatment tank 1, the cleaning opening 214 can well clean the biological filler 23, the cleaning opening 214 is a concave notch, and two sides of the cleaning opening 214 can shield the biological filler 23 to avoid the biological filler 23 from leaking from two sides of the accommodating cylinder 21 during cleaning; the two support columns 311 are respectively arranged at two sides of the cleaning opening 214, and the structural arrangement of the lifting assembly 3 can not block the cleaning opening 214.

In this embodiment, a limiting groove 11 for installing the dam unit 2 is provided in the treatment tank 1. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, 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 thus are not to be construed as limiting the utility model.

In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, so that the same or similar parts between the embodiments are referred to each other. What is not described in detail in the embodiments of the present utility model belongs to the prior art known to those skilled in the art.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A biological filter dam comprising a treatment tank (1) and a dam body unit (2), the dam body unit (2) comprising:

the device comprises a containing cylinder (21), wherein the containing cylinder (21) is arranged in a treatment tank (1), one end of the containing cylinder (21) is connected with the bottom of the treatment tank (1), the other end of the containing cylinder extends out of the water surface of the treatment tank (1) for a certain distance, a containing hole (211) and a water passing hole (212) communicated with the containing hole (211) are formed in the containing cylinder (21), and the water passing holes (212) are provided with two water passing holes respectively arranged on two sides of the containing hole (211) along the water flow direction;

a lifting plate (22) which is arranged in the accommodating hole (211) and is in sliding connection with the accommodating cylinder (21), wherein the lifting plate (22) moves along the direction perpendicular to the water flow direction;

a biological filler (23) arranged in the accommodating hole (211) and used for filtering the wastewater;

the net pieces (24) are arranged on the water passing holes (212) and correspond to the water passing holes (212) one by one and are used for passing water and limiting the positions of the biological fillers (23).

2. A biological filter dam according to claim 1, further comprising a lifting assembly (3) for controlling the movement of said lifting plate (22), said lifting assembly (3) comprising:

a lifting bracket (31) fixed on one side of the treatment tank (1);

a lifting pulley (32) rotatably connected with the lifting bracket (31);

a lifting driver (33) arranged on the lifting bracket (31);

and one end of the traction rope (34) is connected with the lifting plate (22), and the other end of the traction rope bypasses the lifting pulley (32) and is connected with the lifting driver (33).

3. A biological filter dam according to claim 2, wherein said lifting support (31) comprises:

one end of the supporting column (311) is fixed on one side of the treatment tank (1), the other end of the supporting column extends to the upper side of the treatment tank (1), and two supporting columns (311) are arranged;

the support shaft (312) is simultaneously connected with the two support columns (311) and is rotationally connected with the lifting pulley (32);

the reinforcing columns (313) are connected with the supporting columns (311) and are in one-to-one correspondence with the supporting columns (311) and are used for enhancing the supporting effect of the supporting columns (311) on the supporting shafts (312);

and the mounting columns (314) are connected with the two support columns (311) at the same time and are arranged on one side of the support shaft (312) far away from the treatment tank (1), and the lifting driver (33) is arranged on the mounting columns (314).

4. A biological filter dam according to claim 2, wherein a plurality of dam body units (2) are arranged side by side along the water flow direction, and the lifting components (3) are arranged on both sides of any dam body unit (2).

5. A biological filter dam according to claim 1, wherein the accommodating cylinder (21) is provided with a limit chute (213), and the lifting plate (22) is provided with a bump (221) engaged with the limit chute (213); the limiting sliding grooves (213) are symmetrically arranged on the side wall of the accommodating hole (211).

6. A biological filter dam according to claim 3, wherein a side of said lifting plate (22) remote from the bottom of said treatment tank (1) is inclined (222); the lifting plate (22) is provided with a mounting hole (223) connected with the traction rope (34).

7. A biological filter dam according to claim 3, wherein a cleaning port (214) is provided at an end of said receiving cylinder (21) remote from the bottom of said treatment tank (1); the two support columns (311) are respectively arranged at two sides of the cleaning opening (214).

8. A biological filter dam according to claim 6, wherein the support column (311) has an L-shaped structure, the support shaft (312) is disposed at one end of the support column (311) extending to above the treatment tank (1), and the lifting pulley (32) is adapted to the mounting hole (223).

9. A biological filter dam according to claim 1, characterized in that a limit groove (11) for installing the dam body unit (2) is arranged in the treatment tank (1).

10. A biological filter dam according to any of claims 1-9, wherein said biological filler (23) is a bio-sphere.