Sludge concentration pretreatment device

Abstract

The utility model discloses a sludge concentration pretreatment device, which belongs to the technical field of sludge treatment and comprises a concentration box, a concentration mechanism is arranged in the concentration box, and a fixing mechanism is arranged above the concentration box. The concentration mechanism comprises a rotating motor fixedly connected with the outer wall of the bottom of the concentration box, an output shaft of the rotating motor is fixedly connected with a rotating shaft, the top of the rotating shaft is fixedly connected with a connecting cylinder, a filter cylinder is arranged in the concentration box, and the outer wall of the bottom of the filter cylinder is fixedly connected with a connecting block; the connecting block is in sliding fit with the inner wall of the connecting cylinder, the connecting block is of a rectangular structure, and the inner wall of the connecting cylinder is of a rectangular structure. The utility model can realize the effect of improving the practicability.

Description

Technical Field

[0001] The utility model belongs to the technical field of sludge treatment, and in particular relates to a sludge concentration pre-treatment device. Background Art

[0002] With the acceleration of urbanization in my country, the discharge of urban industrial wastewater and domestic sewage is increasing day by day, and the amount of sludge in urban sewage treatment plants is also increasing sharply. The huge amount of sludge needs to be treated in multiple processes to be continuously utilized. Sludge thickening in sludge treatment is an effective method to reduce the moisture content and volume of sludge. Sludge thickening mainly reduces the interstitial water of sludge, which requires a sludge thickening pre-treatment device.

[0003] At present, a Chinese patent with announcement number CN216946693U discloses a sludge thickening and sludge treatment device thereof, including a treatment tank, a connecting rod, a movable plate and a push plate; a first compression groove and a second compression groove are arranged in the treatment tank, a first moving rod and a second moving rod are installed on the connecting rod, a first pressing plate is installed on the first moving rod, the first moving rod and the first pressing plate are connected to the first compression groove, a second moving rod is installed on the second pressing plate, the second moving rod and the second pressing plate are connected to the second compression groove, the movable plate is installed between the first compression groove and the second compression groove, a movable groove is arranged in the treatment tank, a push plate is installed on the movable groove, the push plate is connected to the first compression groove, a push plate is installed on the push rod, the push rod is connected to the first compression groove, and a plurality of filter holes are arranged at the lower ends of the first compression groove and the second compression groove.

[0004] However, when the above device is used, the sludge is directly piled in the treatment tank, and the water removal operation is performed by relying on the filter holes. The concentrated sludge is very likely to cause the blockage of the cavities, and the practicality is poor. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a sludge concentration pre-treatment device. The utility model has the advantages of achieving the effect of improving practicality.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A sludge concentration pre-treatment device comprises a concentration tank, a concentration mechanism is arranged in the concentration tank, and a fixing mechanism is arranged above the concentration tank;

[0008] The concentrating mechanism includes a rotating motor fixedly connected to the bottom outer wall of the concentrating box, the output shaft of the rotating motor is fixedly connected to the rotating shaft, the top of the rotating shaft is fixedly connected to the connecting cylinder, a filter cylinder is arranged in the concentrating box, the bottom outer wall of the filter cylinder is fixedly connected to a connecting block, a sliding fit is formed between the connecting block and the inner wall of the connecting cylinder, the filter cylinder can be easily cleaned, and the practicality can be improved.

[0009] The connecting block is in a rectangular structure, and the inner wall of the connecting cylinder is in a rectangular structure. The rectangular structure design allows the filter cylinder to rotate along with the rotation of the rotating shaft.

[0010] A cover plate is arranged above the concentration box, and a fixing block is rotatably connected to the bottom of the cover plate through a bearing. The diameter of the fixing block is the same as the inner diameter of the filter cartridge. The setting of the fixing block can ensure the separation operation of the filter cartridge.

[0011] Limiting grooves are provided on both sides of the top of the filter cartridge, the inner wall of the limiting groove is slidably connected to a limiting block, the limiting block is fixedly connected to the outer wall connecting piece of the filter cartridge, and the setting of the limiting block enables the fixed block to perform deep concentration operation on the sludge.

[0012] The bottom inner wall of the limiting groove is fixedly connected with a limiting spring, and the limiting spring is fixedly connected to the limiting block. The setting of the limiting spring can make the limiting block be located at the top.

[0013] The fixing mechanism includes two symmetrically distributed positioning plates, a threaded opening is opened on the top of the positioning plate, a threaded rod is connected to the inner wall of the threaded opening through a thread, and a positioning block in contact with the cover plate is rotatably connected to the bottom of the threaded rod through a bearing. The setting of the positioning block can perform a certain limiting operation on the cover plate.

[0014] The outer walls on both sides of the concentration box are fixedly connected to the mounting plates, the top of the mounting plate is rotatably connected to a mounting shaft through a bearing, the mounting shaft is fixedly connected to the positioning plate, and the setting of the mounting shaft can separate the positioning block from the cover plate.

[0015] The beneficial effects of the utility model are:

[0016] 1. The sludge concentration pre-treatment device can rotate the rotating shaft by rotating the motor. The rotation of the rotating shaft can make the connecting cylinder drive the filter cylinder to rotate. The rotation of the filter cylinder can make the sludge present a chaotic movement, which can prevent the sludge from continuously clogging the holes in a fixed position of the filter cylinder. The limit block slides in the inner wall of the limit groove to perform secondary concentration on the sludge. Therefore, the filter cylinder can also be easily cleaned, which can achieve the effect of improving practicality.

[0017] 2. The sludge concentration pre-treatment device can rotate when the filter cartridge rotates through the fixed block, so as to seal the top of the filter cartridge and ensure the separation operation of the filter cartridge. The limit block can slide in the inner wall of the limit groove, so that the fixed block can perform deep concentration operation on the sludge.

[0018] 3. The sludge concentration pre-treatment device can move under the movement of the threaded rod through the positioning block. The movement of the positioning block can perform a certain limit operation on the cover plate. The positioning plate can be rotated by the installation shaft when rotating, so that the positioning block can be separated from the cover plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a sludge concentration pre-treatment device proposed by the utility model;

[0020] Figure 2 This is a structural schematic diagram of a sludge concentration pre-treatment device proposed by the utility model with a prominent connection block;

[0021] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 4 The utility model provides a schematic structural diagram of a sludge concentration pre-treatment device with a positioning block highlighted.

[0023] In the figure: 1. Concentration box; 2. Rotating motor; 3. Rotating shaft; 4. Connecting cylinder; 5. Filter cylinder; 6. Connecting block; 7. Cover plate; 8. Fixing block; 9. Limiting groove; 10. Limiting block; 11. Limiting spring; 12. Positioning plate; 13. Threaded mouth; 14. Threaded rod; 15. Positioning block; 16. Mounting plate; 17. Mounting shaft. DETAILED DESCRIPTION

[0024] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0025] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0026] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0027] Reference Figure 1-4 , a sludge concentration pre-treatment device, comprising a concentration tank 1, a concentration mechanism is arranged in the concentration tank 1, and a fixing mechanism is arranged above the concentration tank 1;

[0028] The concentrating mechanism includes a rotating motor 2 fixedly connected to the bottom outer wall of the concentrating tank 1, the output shaft of the rotating motor 2 is fixedly connected to the rotating shaft 3, the top of the rotating shaft 3 is fixedly connected to the connecting cylinder 4, a filter cylinder 5 is arranged in the concentrating tank 1, the bottom outer wall of the filter cylinder 5 is fixedly connected to the connecting block 6, and a sliding fit is formed between the connecting block 6 and the inner wall of the connecting cylinder 4.

[0029] The connecting block 6 is in a rectangular structure, and the inner wall of the connecting cylinder 4 is in a rectangular structure. The rectangular structure can avoid relative sliding between the connecting block 6 and the connecting cylinder 4, so that the filter cylinder 5 can rotate with the rotation of the rotating shaft 3.

[0030] A cover plate 7 is provided above the concentration box 1, and a fixed block 8 is rotatably connected to the bottom of the cover plate 7 through a bearing. The diameter of the fixed block 8 is the same as the inner diameter of the filter cartridge 5. The fixed block 8 can rotate when the filter cartridge 5 rotates, thereby sealing the top of the filter cartridge 5 and ensuring the separation operation of the filter cartridge 5.

[0031] Limiting grooves 9 are provided on both sides of the top of the filter cartridge 5. The inner wall of the limiting groove 9 is slidably connected to a limiting block 10. The limiting block 10 is fixedly connected to the outer wall connecting piece of the filter cartridge 5. The limiting block 10 can slide in the inner wall of the limiting groove 9. At this time, the fixed block 8 can perform deep concentration operation on the sludge.

[0032] The bottom inner wall of the limiting groove 9 is fixedly connected with a limiting spring 11, and the limiting spring 11 is fixedly connected to the limiting block 10. The limiting spring 11 can provide support for the limiting block 10, so that the limiting block 10 can be located at the top.

[0033] The fixing mechanism includes two symmetrically distributed positioning plates 12, a threaded opening 13 is provided on the top of the positioning plate 12, a threaded rod 14 is threadedly connected to the inner wall of the threaded opening 13, and a positioning block 15 in contact with the cover plate 7 is rotatably connected to the bottom of the threaded rod 14 through a bearing. The positioning block 15 can move under the movement of the threaded rod 14, and the movement of the positioning block 15 can perform a certain limit operation on the cover plate 7.

[0034] The outer walls of both sides of the concentration box 1 are fixedly connected to the mounting plate 16, and the top of the mounting plate 16 is rotatably connected to the mounting shaft 17 through a bearing. The mounting shaft 17 is fixedly connected to the positioning plate 12. The mounting shaft 17 can rotate the positioning plate 12 when rotating, so that the positioning block 15 can be separated from the cover plate 7.

[0035] Working principle: By rotating the threaded rod 14, the positioning block 15 can be separated from the cover plate, and then the positioning plate 12 is rotated to separate the cover plate 7 from the concentration tank 1, and then the sludge is poured into the filter cartridge 5, the filter cartridge 5 is placed in the concentration tank 1 and the connecting block 6 is located in the connecting cylinder 4, and finally the cover plate 7 is covered and 7 is made so that the limit block 10 is located in the limit groove 9, and the elastic force of the limit spring 11 can support the cover plate 7, and starting the rotating motor 2 can rotate the rotating shaft 3, and the rotation of the rotating shaft 3 can make the connecting cylinder 4 drive the filter cartridge 5 to rotate, and the rotation of the filter cartridge 5 can make the sludge present a chaotic movement, which can prevent the sludge from continuously clogging the holes in a fixed position of the filter cartridge 5, and can preliminarily concentrate the sludge. After solid-liquid separation, the threaded rod 14 can be rotated to press the cover plate 7 downward, and at this time the limit block 10 slides in the inner wall of the limit groove 9, and the sludge can be secondary concentrated. Therefore, the filter cartridge 5 can also be cleaned conveniently, and the effect of improving practicality can be achieved.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sludge concentration pre-treatment device, comprising a concentration tank (1), characterized in that: A concentrating mechanism is arranged inside the concentrating box (1), and a fixing mechanism is arranged above the concentrating box (1); The concentrating mechanism comprises a rotating motor (2) fixedly connected to the bottom outer wall of the concentrating tank (1); the output shaft of the rotating motor (2) is fixedly connected to a rotating shaft (3); the top of the rotating shaft (3) is fixedly connected to a connecting cylinder (4); a filter cylinder (5) is arranged in the concentrating tank (1); the bottom outer wall of the filter cylinder (5) is fixedly connected to a connecting block (6); a sliding fit is formed between the connecting block (6) and the inner wall of the connecting cylinder (4).

2. A sludge concentration pretreatment device according to claim 1, characterized in that: The connecting block (6) is in a rectangular structure, and the inner wall of the connecting tube (4) is in a rectangular structure.

3. A sludge concentration pretreatment device according to claim 1, characterized in that: A cover plate (7) is arranged above the concentration box (1), and a fixing block (8) is rotatably connected to the bottom of the cover plate (7) via a bearing, wherein the diameter of the fixing block (8) is the same as the inner diameter of the filter cartridge (5).

4. A sludge concentration pretreatment device according to claim 3, characterized in that: Limiting grooves (9) are provided on both sides of the top of the filter cartridge (5); the inner wall of the limiting groove (9) is slidably connected to a limiting block (10); and the limiting block (10) is fixedly connected to an outer wall connecting piece of the filter cartridge (5).

5. A sludge concentration pretreatment device according to claim 4, characterized in that: A limiting spring (11) is fixedly connected to the bottom inner wall of the limiting groove (9), and the limiting spring (11) is fixedly connected to the limiting block (10).

6. A sludge concentration pretreatment device according to claim 1, characterized in that: The fixing mechanism comprises two symmetrically distributed positioning plates (12), the top of each positioning plate (12) is provided with a threaded opening (13), the inner wall of each threaded opening (13) is connected to a threaded rod (14) via a thread, and the bottom of each threaded rod (14) is rotatably connected to a positioning block (15) in contact with the inner wall of an adapter groove at the top of the cover plate (7) via a bearing.

7. A sludge concentration pre-treatment device according to claim 6, characterized in that: The outer walls of both sides of the concentration box (1) are fixedly connected to the mounting plate (16), the top of the mounting plate (16) is rotatably connected to the mounting shaft (17) via a bearing, and the mounting shaft (17) is fixedly connected to the positioning plate (12).

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