Filter material intercepting device of biological aerated filter

Abstract

The utility model relates to the technical field of wastewater treatment, in particular to a filter material intercepting device of a biological aerated filter, which comprises the biological aerated filter, one side of the biological aerated filter is fixedly connected with a backwashing water tank, and the top of one side of the biological aerated filter is fixedly connected with a placing plate. A filter material is arranged at the bottom of the inner cavity of the biological aerated filter, and a flushing water outlet pipe is embedded into the right side of the inner cavity of the biological aerated filter. A cleaning block is connected with an arc-shaped block through a first guide rod and a spring, so that the cleaning block can be elastically attached according to flushing water outlet pipes with different diameters, and it is ensured that the cleaning block can be tightly attached to the surfaces of the flushing water outlet pipes; the cleaning block can regularly and effectively clean the surface of the flushing water outlet pipe, so that the problem that through holes in the surface of the flushing water outlet pipe are blocked is effectively prevented, water flow can be kept unobstructed, and the overall operation efficiency of the biological aerated filter is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to wastewater treatment technical field, especially relate to a biological aerated filter filter intercepting device. BACKGROUND

[0002] Biological aerated filter is a new technology that integrates biological oxidation and interception of suspended solids, which provides a carrier for the growth of microbial membrane by loading high specific surface area granular filler in the filter tank. When wastewater flows through these carriers, it is oxidized and decomposed by adsorption of organic nutrients, diffusion of oxygen into the biological membrane, and biological oxidation in the biological membrane, thus purifying the wastewater.

[0003] After searching, in the prior art, Chinese patent publication number: CN220723775U, authorized date: 2024-04-05, a biological aerated filter filter intercepting device is disclosed, which belongs to the field of wastewater treatment. The intercepting device is installed on the pool wall between the biological aerated filter and the backwash tank. The intercepting device includes: a backwash outlet pipe installed on the pool wall, one end of the backwash outlet pipe communicates with the biological aerated filter, and the other end communicates with the backwash tank; a flushing outlet pipe is arranged in the biological aerated filter, the flushing outlet pipe communicates with the backwash outlet pipe, and a plurality of water inlet holes are arranged on the pipe wall of the flushing outlet pipe; a baffle is arranged at the end of the flushing outlet pipe away from the backwash outlet pipe. The utility model sets water inlet holes on the side wall of the flushing outlet pipe, and water enters the flushing outlet pipe through the water inlet holes, which can effectively avoid the problem of filter material running under the driving of water flow.

[0004] However, the device still has the following defects: although it effectively avoids the problem of filter material running under the driving of water flow, the filter material may be blocked in the through hole on the surface of the flushing outlet pipe during the circulation of wastewater, which hinders the smooth passage of water flow, reduces the flushing effect, and affects the cleaning effect of the filter layer, so that the pollutants on the filter layer cannot be effectively washed away, thereby reducing the treatment efficiency of the entire biological aerated filter. The filter material may be blocked in the through hole of the flushing outlet pipe, which may cause part of the wastewater to flow out without being fully treated, thereby affecting the water quality, which may make the treated water quality not meet the discharge standard, and pollute the environment. UTILITY MODEL CONTENTS

[0005] In view to the above problems, the utility model provides a kind of biological aerated filter filter intercepting device, including biological aerated filter, the one side of biological aerated filter is fixedly connected with backwash tank, the top of the one side of biological aerated filter is fixedly connected with placing plate, the bottom of biological aerated filter inner chamber is provided with filter material, flush effluent pipe is embedded in the right side of biological aerated filter inner chamber, and one end of flush effluent pipe is penetrated to the outside of biological aerated filter and is connected with communication pipe, the one end of communication pipe is connected with backwash effluent pipe, the one end of flush effluent pipe is screw thread connection with baffle, the surface of flush effluent pipe is equipped with cleaning mechanism, the top of placing plate is provided with driving mechanism, the surface of flush effluent pipe is equipped with filter screen bucket, and one side of filter screen bucket is screw thread connection with biological aerated filter.

[0006] Further, the cleaning mechanism includes a fixed block provided on the top of the flush effluent pipe, two protrusions are rotatably connected to the bottom of the fixed block, an arc-shaped block is fixedly connected to the bottom of the protrusions, a cleaning block is provided on the inner side of the arc-shaped block, a first guide rod is fixedly connected to one side of the cleaning block, one end of the first guide rod penetrates to the outer side of the arc-shaped block, a spring is sleeved on the surface of the first guide rod, and the two ends of the spring are fixedly connected to the arc-shaped block and the cleaning block respectively.

[0007] Further, the driving mechanism includes a motor provided on the top of the placing plate, a threaded rod is drivingly connected to the output end of the motor, a threaded block is screw thread connected to the surface of the threaded rod, a connecting block is fixedly connected to the bottom of the threaded block, and the connecting block is fixedly connected to the fixed block.

[0008] Further, the bottom of the arc-shaped block is fixedly connected to a square block, two screws are provided on one side of the square block, and one end of the screw penetrates to the outer side of the right square block and is screw thread connected with a nut.

[0009] Further, one side of the threaded rod is fixedly connected with a round block, and the diameter of the round block is greater than the diameter of the threaded rod.

[0010] Further, two second guide rods are fixedly connected to the right side of the inner chamber of the biological aerated filter, a guide block is slidingly connected to the surface of the second guide rods, and one side of the guide block is fixedly connected to the connecting block.

[0011] Further, the spring and the cleaning block form an extension structure, and the maximum moving distance of the cleaning block is equal to the deformation amount of the spring.

[0012] The utility model has the advantages that:

[0013] 1. In this device, the cleaning block is connected to the arc-shaped block through the first guide rod and spring, so that the cleaning block can elastically fit the flushing outlet pipe of different diameters, ensuring that the cleaning block can be tightly attached to the surface of the flushing outlet pipe. Through the cooperation of the cleaning mechanism and the drive mechanism, the cleaning block can clean the surface of the flushing outlet pipe regularly and effectively, thereby effectively preventing the problem of clogging of the through holes on the surface of the flushing outlet pipe, helping to maintain the smooth flow of water and improve the overall operating efficiency of the aerated biological filter.

[0014] 2. In this device, the combination of square blocks, screws, and nuts serves to fix the two arc-shaped blocks, while also facilitating the user's separation of the two blocks, thus making it easier for the user to clean the cleaning block. The round block serves to limit the threaded block, preventing it from moving off the surface of the threaded rod. The combination of the second guide rod and the guide block serves to limit the connecting block, improving the stability of the connecting block during movement.

[0015] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained by means of the structures pointed out in the description, claims, and drawings. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A structural main body diagram according to an embodiment of the present utility model is shown;

[0018] Figure 2 A partial structural cross-sectional view according to an embodiment of the present invention is shown;

[0019] Figure 3 A partial structural schematic diagram according to an embodiment of the present invention is shown;

[0020] Figure 4 A partial bottom view of the structure according to an embodiment of the present invention is shown;

[0021] Figure 5 A bottom sectional view of the cleaning mechanism according to an embodiment of the present invention is shown;

[0022] Figure 6The structural schematic diagram of the driving mechanism is shown.

[0023] In the figure: 1, biological aerated filter; 2, backwashing tank; 3, placing plate; 4, filter material; 5, flushing outlet pipe; 6, communication pipe; 7, backwashing outlet pipe; 8, baffle; 9, cleaning mechanism; 91, fixed block; 92, protruding block; 93, arc block; 94, cleaning block; 95, first guide rod; 96, spring; 10, driving mechanism; 101, motor; 102, threaded rod; 103, threaded block; 104, connecting block; 11, filter net barrel; 12, square block; 13, screw; 14, nut; 15, round block; 16, second guide rod; 17, guide block. DETAILED DESCRIPTION

[0024] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments but not all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0025] The embodiment of the present application provides a filter material interception device for a biological aerated filter, which comprises a biological aerated filter 1, and is exemplarily shown as Figures 1-6 .

[0026] One side of the biological aerated filter 1 is fixedly connected with a backwashing tank 2, the top of the one side of the biological aerated filter 1 is fixedly connected with a placing plate 3, the bottom of the inner cavity of the biological aerated filter 1 is provided with filter material 4, the right side of the inner cavity of the biological aerated filter 1 is embeddedly provided with a flushing outlet pipe 5, one end of the flushing outlet pipe 5 penetrates to the outside of the biological aerated filter 1 and is communicated with a communication pipe 6, one end of the communication pipe 6 is communicated with a backwashing outlet pipe 7, one end of the flushing outlet pipe 5 is threadedly connected with a baffle 8, the surface of the flushing outlet pipe 5 is sleeved with a cleaning mechanism 9, the top of the placing plate 3 is provided with a driving mechanism 10, the surface of the flushing outlet pipe 5 is sleeved with a filter net barrel 11, and one side of the filter net barrel 11 is threadedly connected with the biological aerated filter 1.

[0027] The cleaning mechanism 9 comprises a fixed block 91 arranged at the top of the flushing outlet pipe 5, and is exemplarily shown as Figures 1-6 .

[0028] The bottom of the fixed block 91 is rotatably connected with a lug 92 on both sides, the bottom of the lug 92 is fixedly connected with an arc block 93, the inner side of the arc block 93 is provided with a cleaning block 94, one side of the cleaning block 94 is fixedly connected with a first guide rod 95, one end of the first guide rod 95 penetrates to the outer side of the arc block 93, the surface of the first guide rod 95 is sleeved with a spring 96, and the two ends of the spring 96 are fixedly connected with the arc block 93 and the cleaning block 94 respectively.

[0029] Specifically, the cleaning block 94 is connected with the arc block 93 through the first guide rod 95 and the spring 96, so that the cleaning block 94 can be elastically fitted according to the different diameters of the flushing water outlet pipe 5, and the cleaning block 94 can be closely attached to the surface of the flushing water outlet pipe 5, so that the dirt and impurities attached to the surface of the flushing water outlet pipe 5 can be more effectively removed. Through the regular cleaning of the flushing water outlet pipe 5 by the cleaning mechanism 9, the flushing water outlet pipe 5 can be effectively prevented from being blocked, the water flow is unobstructed, and the overall operation efficiency of the biological aerated filter 1 is improved.

[0030] The driving mechanism 10 comprises a motor 101 arranged on the top of the placing plate 3, as shown in Figures 1-6

[0031] The output end of the motor 101 is drivingly connected with a threaded rod 102, the surface of the threaded rod 102 is threadedly connected with a threaded block 103, the bottom of the threaded block 103 is fixedly connected with a connecting block 104, and the bottom of the connecting block 104 is fixedly connected with the fixed block 91.

[0032] Specifically, through the cooperation of the cleaning mechanism 9 and the driving mechanism 10, the cleaning block 94 can regularly and effectively clean the surface of the flushing water outlet pipe 5, thereby effectively preventing the through hole on the surface of the flushing water outlet pipe 5 from being blocked, helping to keep the water flow unobstructed, and improving the overall operation efficiency of the biological aerated filter 1.

[0033] The bottom of the arc block 93 is fixedly connected with a square block 12, as shown in Figures 1-6

[0034] One side of the square block 12 is provided with two screws 13, one end of the screw 13 penetrates to the outer side of the right square block 12 and is threadedly connected with a nut 14, one side of the threaded rod 102 is fixedly connected with a round block 15, the diameter of the round block 15 is greater than that of the threaded rod 102, the right side of the inner cavity of the biological aerated filter 1 is fixedly connected with two second guide rods 16, the surface of the second guide rod 16 is slidingly connected with a guide block 17, one side of the guide block 17 is fixedly connected with the connecting block 104, the spring 96 and the cleaning block 94 constitute a telescopic structure, and the maximum moving distance of the cleaning block 94 is equal to the deformation amount of the spring 96. ​​

[0035] Specifically, through the cooperation of the square block 12, the screw 13 and the nut 14, the two arc-shaped blocks 93 are fixed, and the user can separate the two arc-shaped blocks 93, so that the user can clean the cleaning block 94. Through the setting of the round block 15, the threaded block 103 is limited, and the threaded block 103 is prevented from moving out of the surface of the threaded rod 102. Through the cooperation of the second guide rod 16 and the guide block 17, the connecting block 104 is limited, and the stability of the connecting block 104 during movement is improved.

[0036] The working principle of the filter interception device for a biological aerated filter is as follows:

[0037] When the device is used, the cleaning block 94 is connected with the arc-shaped block 93 through the first guide rod 95 and the spring 96, so that the cleaning block 94 can be elastically attached to the flush outlet pipe 5 with different diameters, and the cleaning block 94 can be closely attached to the surface of the flush outlet pipe 5, so that the dirt and impurities attached to the surface of the flush outlet pipe 5 can be more effectively removed.

[0038] Further, the user starts the motor 101, the output end of the motor 101 drives the threaded rod 102 to rotate, the threaded rod 102 drives the threaded block 103 to move when rotating, the threaded block 103 drives the fixed block 91 to move through the connecting block 104, the fixed block 91 drives the arc-shaped block 93 to move through the convex block 92, and the arc-shaped block 93 drives the cleaning block 94 to slide on the surface of the flush outlet pipe 5 through the first guide rod 95, so that the surface of the flush outlet pipe 5 can be cleaned, and the through hole on the surface of the flush outlet pipe 5 is prevented from being blocked.

[0039] Further, the user removes the filter net barrel 11, then rotates the screw 13 to separate the screw 13 from the nut 14, and then rotates the arc-shaped block 93, so that the cleaning block 94 is not in contact with the flush outlet pipe 5, and the user can clean the cleaning block 94.

[0040] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently, and these modifications or replacements do not change the essence of the corresponding technical solutions out of the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A biological aerated filter medium interception device comprising a biological aerated filter (1), characterized in that: The side of the biological aerated filter (1) is fixedly connected with a backwashing tank (2), one side of the top of the biological aerated filter (1) is fixedly connected with a placing plate (3), the bottom of the inner cavity of the biological aerated filter (1) is provided with filter material (4), the right side of the inner cavity of the biological aerated filter (1) is embeddedly provided with a flushing effluent pipe (5), one end of the flushing effluent pipe (5) penetrates to the outside of the biological aerated filter (1) and is communicated with a communication pipe (6), one end of the communication pipe (6) is communicated with a backwashing effluent pipe (7), one end of the flushing effluent pipe (5) is screwedly connected with a baffle (8), the surface of the flushing effluent pipe (5) is sleeved with a cleaning mechanism (9), the top of the placing plate (3) is provided with a driving mechanism (10), the surface of the flushing effluent pipe (5) is sleeved with a filter screen barrel (11), one side of the filter screen barrel (11) is screwedly connected with the biological aerated filter (1).

2. The trickling filter medium interception device according to claim 1, characterized in that: The cleaning mechanism (9) comprises a fixed block (91) arranged at the top of the flushing effluent pipe (5), the two sides of the bottom of the fixed block (91) are rotatably connected with protruding blocks (92), the bottom of the protruding block (92) is fixedly connected with an arc-shaped block (93), the inner side of the arc-shaped block (93) is provided with a cleaning block (94), one side of the cleaning block (94) is fixedly connected with a first guide rod (95), one end of the first guide rod (95) penetrates to the outside of the arc-shaped block (93), the surface of the first guide rod (95) is sleeved with a spring (96), and the two ends of the spring (96) are fixedly connected with the arc-shaped block (93) and the cleaning block (94) respectively.

3. The BAF media interception device according to claim 2, wherein: The driving mechanism (10) comprises a motor (101) arranged at the top of the placing plate (3), the output end of the motor (101) is transmissionally connected with a threaded rod (102), the surface of the threaded rod (102) is screwedly connected with a threaded block (103), the bottom of the threaded block (103) is fixedly connected with a connecting block (104), and the bottom of the connecting block (104) is fixedly connected with the fixed block (91).

4. The BAF media interception device according to claim 2, wherein: The bottom of the arc-shaped block (93) is fixedly connected with a square block (12), two screws (13) are arranged on one side of the square block (12), one end of the screw (13) penetrates to the outside of the right square block (12) and is screwedly connected with a nut (14).

5. The BAF media interception device according to claim 3, wherein: One side of the threaded rod (102) is fixedly connected with a circular block (15), and the diameter of the circular block (15) is greater than that of the threaded rod (102).

6. The BAF media interception device according to claim 3, wherein: The right side of the inner cavity of the biological aerated filter (1) is fixedly connected with two second guide rods (16), the surface of the second guide rod (16) is slidably connected with a guide block (17), and one side of the guide block (17) is fixedly connected with the connecting block (104).

7. The BAF media interception device according to claim 2, wherein: The spring (96) and the cleaning block (94) form a telescopic structure, and the maximum moving distance of the cleaning block (94) is equal to the deformation amount of the spring (96).

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