Filtering device for sewage treatment

Abstract

The utility model provides a filtering device for sewage treatment. The filtering device for sewage treatment comprises a tank body, a cover plate, a filtering plate and a fixing assembly, according to the filtering device for sewage treatment provided by the utility model, the tank body is arranged, and the top of the tank body is of an opening structure. A filter plate is mounted in the tank body, and a cover plate for covering the opening structure is detachably mounted at the top of the tank body. And the filter bag is mounted on the filter plate through a fixing assembly. During use, a plurality of filter bags can be mounted on the filter plate, then the filter plate is mounted in the tank body, and finally the cover plate covers the top of the tank body. When the filter bag needs to be replaced in the later period, the cover plate can be opened, the filter plate is detached from the tank body, and then the filter bag is detached from the filter plate. And the filter bag can also be directly detached from the filter plate. The multiple filter bags are mounted on the filter plate, so that the sizes of the filter bags are reduced, and the difficulty of the filter bags in the mounting and dismounting process is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewage treatment equipment, and specifically relates to a filtering device for sewage treatment. Background Art

[0002] In the process of industrial production, some sewage will be generated. If the sewage is discharged directly, it will pollute the natural environment. Therefore, the sewage generated by the industry usually needs to be further processed in the factory before being discharged or recycled. During the treatment process, the sewage is usually applied to the filtering device. The filtering device is used to filter out impurities in the sewage. At present, filter bags for filtering impurities are usually installed inside the filtering device, and the existing filtering devices are large in size, and the size of the filter bags is also increased accordingly. On the one hand, large filter bags are not easy to purchase, and at the same time, when replacing them later, due to the large size of the bags, it is not convenient to replace the filter bags. Utility Model Content

[0003] The embodiment of the utility model provides a filter device for sewage treatment, aiming to solve the problem that filter bags in the filter device in the prior art are inconvenient to replace.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a filtering device for sewage treatment, comprising:

[0005] A tank body, wherein the top of the tank body is an open structure;

[0006] A cover plate, detachably mounted on the top of the tank body, and used to cover the opening structure;

[0007] A filter plate is installed inside the tank body, the outer circumference of the filter plate is attached to the inner wall of the tank body, and the filter plate is provided with a plurality of installation positions for installing filter bags;

[0008] A fixing assembly is arranged on the filter plate and is used to fix the filter bag on the installation position. In a possible implementation, a mounting groove for installing the filter bag is recessed on the top of the filter plate, and a clearance hole is arranged in the middle of the mounting groove to avoid the filter bag from extending downward.

[0009] In a possible implementation, the fixing component includes:

[0010] A plurality of support blocks, each of which is fixedly mounted on the top surface of the filter plate and evenly arranged around the circumference of the mounting groove;

[0011] A mounting block, fixedly mounted on the top of the supporting block and extending toward a side close to the mounting groove;

[0012] A pressing ring, the outer side of which is provided with an outer protrusion for sliding into between the mounting block and the filter plate;

[0013] A pressing member is threadedly connected to the mounting block, and an end of the pressing member can abut against the outer protrusion to press the outer protrusion toward the filter plate.

[0014] In a possible implementation, a protrusion that slidably fits with an inner wall of the installation groove is protruded from the bottom of the pressure ring.

[0015] In a possible implementation manner, a limiting block for limiting the outer protrusion from sliding out of the bottom of the mounting block is installed on one side of the mounting block.

[0016] In a possible implementation, a plurality of support plates are fixedly mounted on the inner wall of the tank body, the filter plates are overlapped on the support plates, and fixing members for fixing the filter plates to the support plates are threadedly connected on the support plates.

[0017] In a possible implementation, a first flange is fixedly connected to the top of the tank body, a sealing ring is installed on the top of the first flange, a second flange is installed on the bottom of the cover plate, and a connecting assembly is provided between the first flange and the second flange.

[0018] In a possible implementation, the connection component includes:

[0019] A connecting rod, hingedly arranged on the outer side of the tank body;

[0020] A connecting block is installed on the outer side of the cover plate, and a clearance groove for avoiding the connecting rod is provided in the middle of the connecting block;

[0021] A limiting member is threadedly connected to the connecting rod, and the limiting member can abut against the end of the connecting block to pull the connecting block to move in a direction close to the tank body.

[0022] Compared with the prior art, the solution shown in the embodiment of the present application is provided with a tank body, and the top of the tank body is an open structure. A filter plate is installed inside the tank body, and a cover plate for covering the opening structure is detachably installed on the top of the tank body. A mounting position for installing a filter bag is provided on the filter plate, and the filter bag is installed on the filter plate through a fixing assembly. When in use, multiple filter bags can be installed on the filter plate, and then the filter plate is installed inside the tank body, and finally covered on the top of the tank body through the cover plate. When the filter bag needs to be replaced later, the cover plate can be opened, the filter plate can be removed from the tank body, and then the filter bag can be removed from the filter plate. The filter bag can also be directly removed from the filter plate. The present application reduces the size of the filter bag by installing multiple filter bags on the filter plate, thereby reducing the difficulty of the filter bag during installation and removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the structure of a filter device for sewage treatment provided by an embodiment of the utility model;

[0024] Figure 2 A schematic diagram of the structure of a fixing assembly provided in an embodiment of the utility model;

[0025] Figure 3 A schematic structural diagram of a connection assembly provided in an embodiment of the utility model.

[0026] Description of reference numerals:

[0027] 1. Tank body; 11. Support plate; 111. Fixing piece; 12. First flange; 2. Cover plate; 21. Second flange; 3. Filter plate; 4. Fixing assembly; 41. Support block; 411. Limiting block; 42. Mounting block; 43. Pressing ring; 431. Outer convex part; 432. Protruding part; 44. Fastening piece; 5. Connecting assembly; 51. Connecting rod; 52. Connecting block; 53. Limiting piece. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0029] Please also read Figures 1 to 3Now, the filter device for sewage treatment provided by the utility model is described. The filter device for sewage treatment includes a tank body 1, a cover plate 2, a filter plate 3 and a fixing assembly 4. The top of the tank body 1 is an open structure; the cover plate 2 is detachably mounted on the top of the tank body 1, and is used to cover the opening structure; the filter plate 3 is installed inside the tank body 1, and the outer circumference of the filter plate 3 is attached to the inner wall of the tank body 1, and a plurality of installation positions for installing filter bags are provided on the filter plate 3; the fixing assembly 4 is arranged on the filter plate 3, and is used to fix the filter bag on the installation position.

[0030] Compared with the prior art, the sewage treatment filter device provided in this embodiment is provided with a tank body 1, and the top of the tank body 1 is an open structure. A filter plate 3 is installed inside the tank body 1, and a cover plate 2 for covering the opening structure is detachably installed on the top of the tank body 1. A mounting position for installing a filter bag is provided on the filter plate 3, and the filter bag is installed on the filter plate 3 through a fixing component 4. When in use, multiple filter bags can be installed on the filter plate 3, and then the filter plate 3 is installed inside the tank body 1, and finally covered on the top of the tank body 1 through the cover plate 2. When the filter bag needs to be replaced later, the cover plate 2 can be opened, the filter plate 3 can be removed from the tank body 1, and then the filter bag can be removed from the filter plate 3. The filter bag can also be directly removed from the filter plate 3. The present application reduces the size of the filter bag by installing multiple filter bags on the filter plate, thereby reducing the difficulty of the filter bag during installation and removal.

[0031] Specifically, in this embodiment, the upper portion of the tank body 1 is a cylindrical structure. The outer side wall of the filter plate 3 is fitted and slidably matched with the interior of the tank body 1 .

[0032] In some embodiments, the filter plate 3 may be used as follows: Figure 1 , Figure 2 See also Figure 1 , Figure 2 The top of the filter plate 3 is recessed with a mounting groove for installing the filter bag, and the middle of the mounting groove is provided with a clearance hole for avoiding the filter bag from extending downward. A clearance hole is provided on the filter plate 3, and an annular support ring is fixedly installed at the bottom of the filter plate 3. The support ring is coaxially arranged with the clearance hole, and the inner diameter of the support ring is smaller than the size of the clearance hole. Thus, a mounting groove for installing the filter bag is formed between the support ring and the filter plate 3. When installing the filter bag, the mouth of the filter bag can be placed inside the mounting groove. Then extend the filter bag to the bottom of the filter plate 3 through the clearance hole. Finally, the filter bag is pressed tightly inside the mounting groove by the fixing component 4. The installation of the filter bag is completed, the structure is simple, and it is convenient for the operator to replace the filter bag.

[0033] In some embodiments, the fixing assembly 4 may be configured as follows: Figure 2 See the structure shown. Figure 2The fixing assembly 4 includes a support block 41, a mounting block 42, a pressure ring 43 and a tightening member 44. There are multiple support blocks 41, and the multiple support blocks 41 are fixedly mounted on the top surface of the filter plate 3 and are evenly arranged around the circumference of the mounting groove. The mounting block 42 is fixedly mounted on the top of the support block 41 and extends to the side close to the mounting groove; the outer side of the pressure ring 43 is provided with an outer protrusion 431 for sliding into between the mounting block 42 and the filter plate 3; the tightening member 44 is threadedly connected to the mounting block 42, and the end of the tightening member 44 can abut against the outer protrusion 431, which is used to tighten the outer protrusion 431 in the direction close to the filter plate 3. The support block 41 is fixedly mounted on the top surface of the filter plate 3 and is arranged around the outer side of the mounting groove. The mounting block 42 is fixedly mounted on the top of the support block 41. The mounting block 42 extends out of the support block 41 to the side close to the mounting groove, and is spaced apart from the filter plate 3 to form a clamping groove for clamping the outer protrusion 431 on the pressure ring 43. When installing the pressing ring 43, the outer protrusion 431 on the pressing ring 43 can be aligned with the slot in the horizontal direction, and the outer protrusion 431 can be slid into the slot by rotating the pressing ring 43. Finally, the outer protrusion 431 can be pressed against the slot by rotating the pressing member 44, so that the pressing ring 43 presses the filter bag against the installation slot.

[0034] In some embodiments, the pressure ring 43 may be Figure 2 See the structure shown. Figure 2 The bottom of the pressure ring 43 is protruded with a protrusion 432 that slides with the inner wall of the installation groove. The protrusion 432 is an annular structure, and the outer wall of the protrusion 432 slides with the inner wall of the installation groove. The setting of the protrusion 432 facilitates the installation of the pressure ring 43 inside the installation groove. When installing the filter bag, the mouth of the filter bag can be placed at the bottom of the installation groove at the opening groove. The mouth of the filter bag is pressed against the bottom of the opening groove by sliding the protrusion 432 into the installation groove. The setting of the protrusion 432 can just and effectively press the mouth of the filter bag against the bottom of the opening groove.

[0035] In some embodiments, the mounting block 42 may be configured as follows: Figure 2 See the structure shown. Figure 2 A stop block 411 is installed on one side of the mounting block 42 for stopping the outer protrusion 431 from sliding out of the bottom of the mounting block 42. The stop block 411 is installed on one side of the mounting block 42 and is located between the mounting block 42 and the filter plate 3. The cross section of the mounting groove along the horizontal direction is circular. Multiple mounting blocks 42 are evenly spaced along the circumference of the mounting groove. And the stop blocks 411 on the multiple mounting blocks 42 are located on the same side of the mounting block 42 along the circumference of the mounting groove.

[0036] Specifically, in this embodiment, when placing the pressing ring 43, the outer protrusion 431 of the pressing ring 43 is first located between the two mounting blocks 42, and the pressing ring 43 is rotated so that the outer protrusion 431 on the pressing ring 43 can slide into the bottom of the mounting block 42 and abut against the stop block 411. Finally, the pressing ring 43 is pressed downward by the pressing member 44 to press the filter bag opening into the mounting groove.

[0037] In some embodiments, the tank body 1 may be formed as follows: Figure 3 See the structure shown. Figure 3 , a plurality of support plates 11 are fixedly mounted on the inner wall of the tank body 1, the filter plate 3 is overlapped on the support plate 11, and a fixing piece 111 for fixing the filter plate 3 to the support plate 11 is threadedly connected on the support plate 11. The top surfaces of the plurality of support plates 11 are located on the same plane. The outer wall of the filter plate 3 is slidably set on the inner wall of the tank body 1 and overlapped on the support plate 11. A filter for installing the fixing piece 111 is provided on the filter plate 3. When in use, the filter plate 3 can be fixed to the support plate 11 by the fixing piece 111. When the filter bag needs to be replaced at a later stage, the filter plate 3 can also be removed from the inside of the tank body 1 as a whole and transported to a designated location for replacement.

[0038] In some embodiments, the tank body 1 may be formed as follows: Figure 3 See the structure shown. Figure 3 , a first flange 12 is fixedly connected to the top of the tank body 1, a sealing ring is installed on the top of the first flange 12, a second flange 21 is installed on the bottom of the cover plate 2, and a connecting component 5 is arranged between the first flange 12 and the second flange 21. The first flange 12 is connected to the top of the tank body 1, and the first flange 12 is sleeved on the outside of the tank body 1, and is an integrally formed structure with the tank body 1. An annular groove for installing a sealing ring is arranged on the top of the first flange 12. The sealing ring is installed inside the annular groove. A second flange 21 is installed on the outside of the cover plate 2. When the cover plate 2 is installed on the tank body 1, the sealing ring is pressed between the first flange 12 and the second flange 21 through the connecting component 5 to achieve sealing between the tank body 1 and the cover plate 2.

[0039] In some embodiments, the connection assembly 5 may be configured as follows: Figure 3 See the structure shown. Figure 3The connection assembly 5 includes a connection rod 51, a connection block 52 and a stopper 53. The connection rod 51 is hingedly arranged on the outside of the tank body 1; the connection block 52 is installed on the outside of the cover plate 2, and a clearance groove for avoiding the connection rod 51 is arranged in the middle of the connection block 52; the stopper 53 is threadedly connected to the connection rod 51, and the stopper 53 can be abutted against the end of the connection block 52 to pull the connection block 52 to move in the direction close to the tank body 1. The connection rod 51 is a screw rod, and one end of the connection rod 51 is hingedly arranged on the outside of the first flange 12. It can be flipped along the pitch angle on the first flange 12. The connection block 52 is installed on the outside of the second flange 21. A clearance groove for avoiding the connection rod 51 is arranged in the middle of the connection block 52. When the connection rod 51 is flipped upward, it can be turned into the inside of the clearance groove. The stopper 53 is a nut, and the stopper 53 can be pressed against the top surface of the connection block 52 by rotating the stopper 53. Thus, the connection between the first flange 12 and the second flange 21 is completed. The structure is simple and the operation is convenient.

[0040] Specifically, in this embodiment, the connection assembly 5 includes a plurality of connection rods 51, connection blocks 52 corresponding to the connection rods 51, and a stopper 53. The plurality of connection rods 51 are evenly spaced and distributed on the outside of the first flange 12. The above description is only a preferred embodiment of the utility model, and is not intended to limit the utility model. Any modification, equivalent replacement, and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A filter device for sewage treatment, characterized in that: include: A tank body (1), wherein the top of the tank body (1) is an open structure; A cover plate (2) is detachably mounted on the top of the tank body (1) and is used to cover the opening structure; A filter plate (3) is installed inside the tank body (1), the outer circumference of the filter plate (3) is attached to the inner wall of the tank body (1), and a plurality of installation positions for installing filter bags are arranged on the filter plate (3); A fixing assembly (4) is arranged on the filter plate (3) and is used to fix the filter bag on the installation position.

2. The sewage treatment filtering device according to claim 1, characterized in that: The top of the filter plate (3) is provided with a recessed mounting groove for mounting a filter bag, and the middle of the mounting groove is provided with a clearance hole for avoiding the filter bag from extending downward.

3. The sewage treatment filtering device according to claim 2, characterized in that: The fixing assembly (4) comprises: A plurality of support blocks (41), each of which is fixedly mounted on the top surface of the filter plate (3) and evenly arranged around the circumference of the mounting groove; A mounting block (42) is fixedly mounted on the top of the supporting block (41) and extends toward a side close to the mounting groove; A pressing ring (43), wherein the outer side of the pressing ring (43) is provided with an outer protrusion (431) for sliding into between the mounting block (42) and the filter plate (3); A pressing member (44) is threadably connected to the mounting block (42); an end of the pressing member (44) can abut against the outer protrusion (431) to press the outer protrusion (431) toward the filter plate (3).

4. The sewage treatment filtering device according to claim 3, characterized in that: The bottom of the pressure ring (43) is protrudingly provided with a protruding portion (432) that slidably cooperates with the inner wall of the installation groove.

5. The sewage treatment filtering device according to claim 3, characterized in that: A limiting block (411) is installed on one side of the mounting block (42) for limiting the outer protrusion (431) from sliding out of the bottom of the mounting block (42).

6. The sewage treatment filtering device according to claim 1, characterized in that: A plurality of support plates (11) are fixedly mounted on the inner wall of the tank body (1), the filter plate (3) is overlapped on the support plate (11), and a fixing member (111) for fixing the filter plate (3) to the support plate (11) is threadedly connected on the support plate (11).

7. The sewage treatment filter device according to claim 1, characterized in that: A first flange (12) is fixedly connected to the top of the tank body (1), a sealing ring is installed on the top of the first flange (12), a second flange (21) is installed on the bottom of the cover plate (2), and a connecting assembly (5) is provided between the first flange (12) and the second flange (21).

8. The sewage treatment filtering device according to claim 7, characterized in that: The connection assembly (5) comprises: A connecting rod (51) is hingedly arranged on the outer side of the tank body (1); A connecting block (52) is installed on the outer side of the cover plate (2), and a clearance groove for avoiding the connecting rod (51) is provided in the middle of the connecting block (52); A limiting member (53) is threadedly connected to the connecting rod (51), and the limiting member (53) can abut against the end of the connecting block (52) to pull the connecting block (52) to move in a direction close to the tank body (1).

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