Upward flow domestic sewage suspended sludge multi-stage filtration treatment device

Abstract

The utility model relates to the technical field of sewage treatment, in particular to an upward flow domestic sewage suspended sludge multi-stage filtering treatment device which comprises a lower fixing cylinder and an upper fixing cylinder, a rotating ring is arranged between the lower fixing cylinder and the upper fixing cylinder, a placing ring is fixedly connected to the side face of the inner wall of the lower fixing cylinder, and the placing ring is fixedly connected to the lower fixing cylinder. The top of the placing ring is fixedly connected with a shielding ring, the side face of the inner wall of the upper fixing cylinder is fixedly connected with a pair of positioning rods, one end of each positioning rod is fixedly connected with a shielding plate, the middle position of the top of each shielding plate is arranged in a protruding mode, and the inner wall of the rotating ring is provided with a cleaning assembly. According to the sewage treatment device disclosed by the utility model, the placement ring and the shielding ring are used for receiving sludge brought up by sewage rising, so that the sludge is accumulated, the sewage blocked by the shielding plate is subjected to secondary treatment, the sewage treatment is more thorough, and the surface of the shielding plate is cleaned through the rotating ring and the first cleaning rod, so that the sludge slides on the placement ring.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a multi-stage filtering treatment device for suspended sludge of upward-flowing domestic sewage. Background Art

[0002] Sewage treatment is the process of purifying sewage to meet the water quality requirements for discharge into a certain water body or reuse. Sewage treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, medical care, and catering. It is also increasingly entering the daily lives of ordinary people. The topic of water pollution is constantly raised, especially the problem of groundwater pollution. It is usually treated with sludge in an upflow sewage treatment device. Most of the organic matter in the sewage is converted through anaerobic fermentation and degradation to produce methane and carbon dioxide gas.

[0003] With respect to the above-mentioned related technologies, the inventor believes that when the existing treatment device is in use, the sewage is treated through a single layer of sludge, and the sewage rises too fast, resulting in incomplete sewage treatment. Therefore, the utility model provides an upward-flowing domestic sewage suspended sludge multi-stage filtration treatment device. Utility Model Content

[0004] The purpose of the present application is to provide an upward-flowing domestic sewage suspended sludge multi-stage filtration treatment device to solve the problem proposed in the above-mentioned background technology that when treating sewage through a single layer of sludge, the sewage rises too quickly, resulting in incomplete sewage treatment.

[0005] To achieve the above-mentioned objectives, the present application provides the following technical solutions: a multi-stage filtration treatment device for suspended sludge of upward-flowing domestic sewage, comprising a lower fixed cylinder and an upper fixed cylinder, a rotating ring is arranged between the lower fixed cylinder and the upper fixed cylinder, a placement ring is fixedly connected to the inner wall side of the lower fixed cylinder, a shielding ring is fixedly connected to the top of the placement ring, a pair of positioning rods are fixedly connected to the inner wall side of the upper fixed cylinder, one end of the positioning rods is fixedly connected to a shielding plate, the top middle position of the shielding plate is convex, and a cleaning assembly is arranged on the inner wall of the rotating ring.

[0006] Preferably, the cleaning assembly includes a first cleaning rod fixedly connected to the side of the inner wall of the rotating ring, the first cleaning rod is adapted to the top of the baffle plate, the first cleaning rod, the bottom of the first cleaning rod is fixedly connected to a connecting rod, and the bottom end of the connecting rod is fixedly connected to a second cleaning rod adapted to the placement ring.

[0007] Preferably, a fixing plate is fixedly connected to the outer side of the lower fixing cylinder, and a motor is fixedly connected to the top of the fixing plate.

[0008] Preferably, a gear is fixedly connected to the output end of the motor, and a plurality of gear teeth meshing with the gear are fixedly connected to the outer side of the rotating ring.

[0009] Preferably, a sludge sedimentation bed is provided in the inner lower half of the lower fixed barrel, a sludge suspension layer is provided in the inner upper half of the lower fixed barrel, a plurality of water inlet bases are fixedly connected to the bottom of the lower fixed barrel, a plurality of water inlet pipes connected to the lower fixed barrel are penetrated through the inner side of the water inlet base, a plurality of water outlet pipes are fixedly connected to the top of the upper fixed barrel, and a pair of water outlet control pumps are provided on the top of the upper fixed barrel.

[0010] Preferably, the top and bottom of the rotating ring are fixedly connected to a limit ring, the inner sides of the upper fixed cylinder and the lower fixed cylinder are provided with sliding grooves adapted to the limit ring, the outer side of the upper fixed cylinder is fixedly connected to a connecting frame, and the end of the connecting frame away from the upper fixed cylinder is fixedly connected to the outer side of the lower fixed cylinder.

[0011] Preferably, a hollow groove is provided on the inner side of the placement ring, a baffle is slidably connected to the side surface of the inner wall of the hollow groove, a through hole matched with the baffle is provided on the inner side of the lower fixed cylinder, a connecting block is fixedly connected to the outer side of the baffle, bolts are arranged on the outer side of the connecting block, and threaded holes matched with the bolts are provided on the connecting block and the inner side of the lower fixed cylinder.

[0012] In summary, the technical effects and advantages of the utility model are:

[0013] 1. In the utility model, the sludge brought up by the rising sewage is received by the placing ring and the shielding ring, so that the sludge is accumulated, and the sewage blocked by the shielding plate is subjected to secondary treatment, thereby achieving more thorough sewage treatment, and the surface of the shielding plate is cleaned by the rotating ring and the first cleaning rod, so that the sludge slides onto the placing ring.

[0014] 2. In the utility model, the baffle plate, the slot, the through hole and the bolt are arranged in coordination, so that the shielding ring can be cleaned by the first cleaning rod, the connecting rod and the second cleaning rod, so that the sludge slides along the slot, avoiding excessive accumulation of sludge on the shielding ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 This is a schematic diagram of the axial structure of the utility model from a first viewing angle;

[0017] Figure 2 This is a schematic diagram of the axial structure of the utility model from a second viewing angle;

[0018] Figure 3 It is a schematic diagram of the structure of the sludge suspension layer and the sludge sedimentation bed in the utility model;

[0019] Figure 4 It is a structural schematic diagram of the first cleaning rod, the connecting rod and the second cleaning rod in the utility model;

[0020] Figure 5 It is a schematic diagram of the structure of the shielding plate and the positioning rod in the utility model.

[0021] In the figure: 1. lower fixed cylinder; 2. upper fixed cylinder; 3. fixed plate; 4. motor; 5. gear; 6. gear teeth; 7. baffle; 8. connecting block; 9. bolt; 10. water outlet control pump; 11. water outlet pipe; 12. water inlet base; 13. water inlet pipe; 14. rotating ring; 15. limiting ring; 16. baffle plate; 17. first cleaning rod; 18. connecting rod; 19. second cleaning rod; 20. placing ring; 21. baffle ring; 22. empty slot; 23. sludge suspension layer; 24. sludge sedimentation bed; 25. positioning rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] Example 1: Reference Figure 1-5The device for treating suspended sludge of domestic sewage with upward flow is shown, comprising a lower fixed cylinder 1 and an upper fixed cylinder 2, a rotating ring 14 is arranged between the lower fixed cylinder 1 and the upper fixed cylinder 2, a placing ring 20 is fixedly connected to the inner wall side of the lower fixed cylinder 1, a shielding ring 21 is fixedly connected to the top of the placing ring 20, a pair of positioning rods 25 are fixedly connected to the inner wall side of the upper fixed cylinder 2, one end of the positioning rods 25 is fixedly connected to a shielding plate 16, the top middle position of the shielding plate 16 is convex, and a cleaning component is arranged on the inner wall of the rotating ring 14, so that The cleaning assembly includes a first cleaning rod 17 fixedly connected to the inner wall side of the rotating ring 14, the first cleaning rod 17 is adapted to the top of the baffle plate 16, the first cleaning rod 17, the bottom of the first cleaning rod 17 is fixedly connected to a connecting rod 18, and the bottom end of the connecting rod 18 is fixedly connected to a second cleaning rod 19 adapted to the placement ring 20, so as to facilitate the sludge to be scraped out of the placement ring 20; the outer side of the lower fixed cylinder 1 is fixedly connected to a fixing plate 3, the top of the fixing plate 3 is fixedly connected to a motor 4, and the fixing plate 3 acts on the motor 4 Supporting function; the output end of the motor 4 is fixedly connected to a gear 5, and the outer side of the rotating ring 14 is fixedly connected to a plurality of gear teeth 6 meshing with the gear 5, and the motor 4 drives the gear teeth 6 and the rotating ring 14 to rotate through the gear 5; a sludge sedimentation bed 24 is provided in the lower half of the inner side of the lower fixed cylinder 1, and a sludge suspension layer 23 is provided in the upper half of the inner side of the lower fixed cylinder 1. The sludge sedimentation bed 24 is composed of high-concentration and high-activity sludge in the sewage. Most of the organic matter in the sewage is converted here through anaerobic fermentation degradation to generate methane and carbon dioxide gas. , and the generated gas is continuously released in the form of tiny bubbles. During the rising process, the tiny bubbles continuously merge and gradually form larger bubbles. A sludge suspension layer 23 with a relatively thin sludge concentration is formed on the upper part of the sludge bed due to the stirring of the biogas. A plurality of water inlet bases 12 are fixedly connected to the bottom of the lower fixed cylinder 1. A plurality of water inlet pipes 13 connected to the lower fixed cylinder 1 are penetrated on the inner side of the water inlet base 12 to facilitate the introduction of sewage. A plurality of water outlet pipes 11 are fixedly connected to the top of the upper fixed cylinder 2. A pair of water outlet control pumps 10 are arranged on the top of the upper fixed cylinder 2.

[0025] In this embodiment, sewage is introduced into the lower fixed cylinder 1 through the water inlet pipe 13, and the sewage passes through the sludge sedimentation bed 24 and the sludge suspension layer 23 in turn. The rising sewage will be blocked by the baffle plate 16 and slide along the inner wall of the baffle plate 16 to the placement ring 20. The placement ring 20 is accumulated with sludge carried by the sewage during the rising process. The rising sludge is blocked by the upper fixed cylinder 2 and slides along the top of the baffle plate 16 to between the placement ring 20 and the baffle ring 21 and accumulates, which performs secondary treatment on the sewage. The control motor 4 drives the gear 6 and the rotating ring 14 to rotate through the gear 5, and the surface of the baffle plate 16 is cleaned by the first cleaning rod 17 to reduce the accumulation of sludge on the baffle plate 16.

[0026] Example 2: Reference Figure 1-5 Based on the same concept as the above-mentioned embodiment 1, this embodiment also proposes that the top and bottom of the rotating ring 14 are fixedly connected to the limit ring 15, and the inner sides of the upper fixed cylinder 2 and the lower fixed cylinder 1 are provided with sliding grooves compatible with the limit ring 15 to prevent the rotating ring 14 from deviating during rotation. The outer side of the upper fixed cylinder 2 is fixedly connected with a connecting frame, and the end of the connecting frame away from the upper fixed cylinder 2 is fixedly connected to the outer side of the lower fixed cylinder 1 to fix the upper fixed cylinder 2 and the lower fixed cylinder 1. An empty groove 22 is provided on the inner side of the placement ring 20, and a baffle 7 is slidably connected to the inner wall side of the empty groove 22. A through hole compatible with the baffle 7 is provided on the inner side of the lower fixed cylinder 1, and a connecting block 8 is fixedly connected to the outer side of the baffle 7. Bolts 9 are provided on the outer side of the connecting block 8, and threaded holes compatible with the bolts 9 are provided on the inner side of the connecting block 8 and the lower fixed cylinder 1.

[0027] In this embodiment, when too much sludge accumulates on the shielding ring 21, the bolt 9 is unscrewed, the baffle 7 is partially dragged out, and the through hole is blocked. The first cleaning rod 17 cleans the shielding ring 21 through the connecting rod 18 and the second cleaning rod 19 during the rotation process, and the sludge slides along the empty groove 22.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An upward-flowing domestic sewage suspended sludge multi-stage filtration treatment device, comprising a lower fixed cylinder (1) and an upper fixed cylinder (2), characterized in that: A rotating ring (14) is provided between the lower fixed cylinder (1) and the upper fixed cylinder (2); a placement ring (20) is fixedly connected to the inner wall side of the lower fixed cylinder (1); a shielding ring (21) is fixedly connected to the top of the placement ring (20); a pair of positioning rods (25) are fixedly connected to the inner wall side of the upper fixed cylinder (2); one end of the positioning rods (25) is fixedly connected to a shielding plate (16); the middle position of the top of the shielding plate (16) is convex; and a cleaning component is provided on the inner wall of the rotating ring (14).

2. The upward-flowing domestic sewage suspended sludge multi-stage filtration treatment device according to claim 1 is characterized in that: The cleaning assembly comprises a first cleaning rod (17) fixedly connected to the inner wall side of the rotating ring (14), the first cleaning rod (17) being matched with the top of the shielding plate (16), the first cleaning rod (17), the bottom of the first cleaning rod (17) being fixedly connected to a connecting rod (18), the bottom end of the connecting rod (18) being fixedly connected to a second cleaning rod (19) matched with the placement ring (20).

3. The upward flow domestic sewage suspended sludge multi-stage filtration treatment device according to claim 1 is characterized in that: A fixing plate (3) is fixedly connected to the outer side of the lower fixing cylinder (1), and a motor (4) is fixedly connected to the top of the fixing plate (3).

4. The upward flow domestic sewage suspended sludge multi-stage filtration treatment device according to claim 3 is characterized by: The output end of the motor (4) is fixedly connected to a gear (5), and the outer side of the rotating ring (14) is fixedly connected to a plurality of gear teeth (6) meshing with the gear (5).

5. The upward flow domestic sewage suspended sludge multi-stage filtration treatment device according to claim 4 is characterized in that: The lower inner half of the lower fixed cylinder (1) is provided with a sludge sedimentation bed (24), the upper inner half of the lower fixed cylinder (1) is provided with a sludge suspension layer (23), the bottom of the lower fixed cylinder (1) is fixedly connected to a plurality of water inlet bases (12), the inner side of the water inlet bases (12) is penetrated by a plurality of water inlet pipes (13) connected to the lower fixed cylinder (1), the top of the upper fixed cylinder (2) is fixedly connected to a plurality of water outlet pipes (11), and the top of the upper fixed cylinder (2) is provided with a pair of water outlet control pumps (10).

6. The upward flow domestic sewage suspended sludge multi-stage filtration treatment device according to claim 1, characterized in that: The top and bottom of the rotating ring (14) are fixedly connected to a limit ring (15); the inner sides of the upper fixed cylinder (2) and the lower fixed cylinder (1) are provided with a slide groove adapted to the limit ring (15); the outer side of the upper fixed cylinder (2) is fixedly connected to a connecting frame; the end of the connecting frame away from the upper fixed cylinder (2) is fixedly connected to the outer side of the lower fixed cylinder (1).

7. The upward-flowing domestic sewage suspended sludge multi-stage filtration treatment device according to claim 1 is characterized by: A hollow groove (22) is provided on the inner side of the placement ring (20), a baffle (7) is slidably connected to the inner wall side of the hollow groove (22), a through hole matched with the baffle (7) is provided on the inner side of the lower fixed cylinder (1), a connecting block (8) is fixedly connected to the outer side of the baffle (7), a bolt (9) is arranged on the outer side of the connecting block (8), and threaded holes matched with the bolt (9) are provided on the inner side of the connecting block (8) and the lower fixed cylinder (1).

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