Aeration tank for sewage treatment

Abstract

The utility model discloses an aeration tank for sewage treatment. The aeration tank comprises an aeration tank, one side of the aeration tank is fixedly connected with an oxygen conveying device, one end of the oxygen conveying device is in through connection with an air outlet pipe, one end of the air outlet pipe is provided with a connecting hollow pipe, and the outer side of one end of the connecting hollow pipe is provided with a connecting clamping groove. According to the utility model, an adaptive number of middle hollow pipes are selected to adapt to the sizes of different aeration tanks, the air outlet pipe, the connecting hollow pipe, the middle hollow pipes and the tail end hollow pipe are sequentially connected through a plurality of groups of fixing sleeves I and fixing sleeves II, and connecting clamping grooves are clamped with connecting clamping strips I and connecting clamping strips II, so that two adjacent groups of connecting pipes can be conveniently connected; the first fixing sleeve and the second fixing sleeve are fixedly connected in a closed mode through the fixing buckles and the fixing clamping grooves, the four sets of fixing studs are screwed into the filter plate fixing screw holes and the check ring fixing screw holes to fix the filter plate, large-particle impurities and sludge are blocked by waste water through the filter plate, and the situation that oxygen holes of an oxygen conveying pipeline are blocked by the sludge is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment aeration tanks, in particular to an aeration tank for sewage treatment. Background Art

[0002] Sewage treatment aeration tank is a commonly used equipment in sewage treatment. It is mainly used to provide oxygen to promote biodegradation and oxidize organic matter in wastewater. The aeration tank injects air or oxygen into the wastewater to generate bubbles and turbulence, so that the organic matter in the wastewater comes into contact with microorganisms, thereby promoting the biodegradation process in the wastewater. During the aeration process, the microorganisms in the wastewater use oxygen for biodegradation, converting organic matter into inorganic matter and organisms.

[0003] Existing aeration tanks for sewage treatment generally use integrally connected delivery pipes. When cleaning, the delivery pipes need to be disassembled as a whole and cannot be cleaned in sections, which increases the difficulty of cleaning and disassembly and makes it difficult to meet actual production needs. Utility Model Content

[0004] The purpose of the utility model is to provide an aeration tank for sewage treatment in order to solve the problem that the existing aeration tank for sewage treatment generally adopts an integrally connected delivery pipe. When cleaning, the delivery pipe needs to be disassembled as a whole and cannot be cleaned in sections, which increases the difficulty of cleaning and disassembly and makes it difficult to meet actual production needs.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an aeration tank for sewage treatment, comprising: an aeration tank; an oxygen delivery device is fixedly connected to one side of the aeration tank, an air outlet pipe is connected to one end of the oxygen delivery device, a connecting hollow tube is provided at one end of the air outlet pipe, a connecting slot is provided on the outside of one end of the connecting hollow tube, a fixing sleeve 1 is clamped at one end of the connecting slot, a fixing sleeve 2 is hinged at one end of the fixing sleeve 1, a connecting strip 1 is fixedly connected to the inside of the fixing sleeve 1, a connecting strip 2 is fixedly connected to the inside of the fixing sleeve 1, a fixing buckle is hinged at one end of the fixing sleeve 1, a fixing slot is provided at one end of the fixing sleeve 2, an intermediate hollow tube is provided at one end of the connecting hollow tube, a tail hollow tube is provided at one end of the intermediate hollow tube.

[0006] As a further solution of the present invention: a filter plate retaining ring is fixedly connected to one end of the aeration tank, a retaining ring fixing screw hole is opened at one end of the filter plate retaining ring, a filter plate is arranged above the filter plate retaining ring, a filter plate fixing screw hole is opened at one end of the filter plate, and a fixing stud is screwed into the filter plate fixing screw hole.

[0007] As a further solution of the present invention: a folding cover is hinged on the top of the aeration tank, a water inlet pipe is connected through one side of the aeration tank, and a water outlet pipe is connected through the other side of the aeration tank.

[0008] As a further solution of the present invention: one end of the air outlet pipe is also provided with a connecting slot, and both ends of the connecting hollow tube, the middle hollow tube and the tail hollow tube are also provided with connecting slots.

[0009] As a further solution of the present invention: the connections between the connecting hollow tube, the middle hollow tube and the tail hollow tube are also provided with a fixing sleeve 1, a fixing sleeve 2, a connecting clip 1, a connecting clip 2, a fixing buckle and a fixing slot structure.

[0010] As a further solution of the present invention: a connecting clip strip 1 and a connecting clip strip 2 structure are also provided on the inner side of the second fixed sleeve.

[0011] As a further solution of the present invention: the intermediate hollow tubes are provided in a plurality of groups, which are arranged in sequence at one end of the connecting hollow tubes.

[0012] As a further solution of the present invention: the number of the retaining ring fixing screw holes is set in four groups, which are evenly symmetrically arranged in four directions of the filter plate retaining ring; the number of the filter plate fixing screw holes and the fixing studs are each set in four groups, which are evenly symmetrically arranged in four directions of the filter plate; the number and specifications of the retaining ring fixing screw holes, filter plate fixing screw holes and fixing studs are adapted.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The utility model adapts to the sizes of different aeration tanks by selecting an appropriate number of intermediate hollow tubes, connects the outlet pipe, the connecting hollow tube, the intermediate hollow tube and the tail hollow tube in sequence through several groups of fixed sleeves 1 and fixed sleeves 2, and the connecting slots are clamped with the connecting clips 1 and 2 to facilitate the connection of two adjacent groups of connecting pipes. The fixed sleeves 1 and 2 are closed and fixedly connected by the fixing buckles and the fixing slots, and four groups of fixing studs are screwed into the fixing screw holes of the filter plate and the fixing screw holes of the retaining ring to fix the filter plate. The wastewater passes through the filter plate to block large particles of impurities and sludge, thereby reducing the blockage of oxygen holes in the oxygen delivery pipeline by sludge. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of an aeration tank for sewage treatment according to the utility model;

[0016] Figure 2 This is a structural schematic diagram of a folding cover plate in an aeration tank for sewage treatment according to the utility model;

[0017] Figure 3 This is a structural diagram of a filter plate in an aeration tank for sewage treatment according to the utility model;

[0018] Figure 4 This is a structural diagram of a filter plate retaining ring in an aeration tank for sewage treatment according to the utility model;

[0019] Figure 5 This is a schematic structural diagram of a middle hollow pipe in an aeration tank for sewage treatment according to the utility model;

[0020] Figure 6 It is a structural schematic diagram of a fixed sleeve in an aeration tank for sewage treatment described in the utility model.

[0021] In the figure: 1. Aeration tank; 2. Oxygen delivery device; 3. Exhaust pipe; 4. Connecting hollow pipe; 5. Connecting slot; 6. Fixing sleeve 1; 7. Fixing sleeve 2; 8. Connecting clip 1; 9. Connecting clip 2; 10. Fixing buckle; 11. Fixing slot; 12. Middle hollow pipe; 13. Tail hollow pipe; 14. Filter plate retaining ring; 15. Retaining ring fixing screw hole; 16. Filter plate; 17. Filter plate fixing screw hole; 18. Fixing stud; 19. Folding cover; 20. Water inlet pipe; 21. Water outlet pipe. DETAILED DESCRIPTION

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

[0023] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed and operate in a specific direction. Therefore, they should not be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In the description of the present invention, 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, they can be fixedly connected, detachably connected, or connected in an integral manner; they can be mechanically connected or electrically connected; they can be directly connected, indirectly connected through an intermediate medium, or they can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. The following describes the embodiments of the present invention based on its overall structure.

[0024] Reference Figures 4 to 6 In an embodiment of the present utility model, an aeration tank for sewage treatment includes: an aeration tank 1; an oxygen delivery device 2 is fixedly connected to one side of the aeration tank 1, an air outlet pipe 3 is connected to one end of the oxygen delivery device 2, a connecting hollow tube 4 is provided at one end of the air outlet pipe 3, a connecting slot 5 is provided on the outside of one end of the connecting hollow tube 4, a fixing sleeve 6 is clamped at one end of the connecting slot 5, a fixing sleeve 6 is hinged at one end of the fixing sleeve 6, a connecting strip 8 is fixedly connected to the inside of the fixing sleeve 6, a connecting strip 2 9 is fixedly connected to the inside of the fixing sleeve 6, a fixing buckle 10 is hinged at one end of the fixing sleeve 6, a fixing slot 11 is provided at one end of the fixing sleeve 2 7, an intermediate hollow tube 12 is provided at one end of the connecting hollow tube 4, and a tail hollow tube 13 is provided at one end of the intermediate hollow tube 12.

[0025] Reference Figures 1 to 3 A filter plate retaining ring 14 is fixedly connected to one end of the aeration tank 1, and a retaining ring fixing screw hole 15 is opened at one end of the filter plate retaining ring 14. A filter plate 16 is arranged above the filter plate retaining ring 14, and a filter plate fixing screw hole 17 is opened at one end of the filter plate 16. A fixing stud 18 is screwed into the filter plate fixing screw hole 17. The filter plate 16 is convenient for preventing large particles of impurities and sludge in the wastewater from entering the conveying pipeline.

[0026] Reference Figure 1 and Figure 2 A folding cover 19 is hinged on the top of the aeration tank 1. An inlet pipe 20 is connected to one side of the aeration tank 1, and an outlet pipe 21 is connected to the other side of the aeration tank 1. The aeration tank 1 is closed and opened by the folding cover 19.

[0027] Reference Figure 4 and Figure 5 One end of the air outlet pipe 3 is also provided with a connecting slot 5, and both ends of the connecting hollow tube 4, the middle hollow tube 12 and the tail end hollow tube 13 are also provided with a connecting slot 5. The connecting slot 5 facilitates the connection between the fixed sleeve 1 6 and the fixed sleeve 2 7.

[0028] Reference Figure 6 The connections between the hollow tube 4, the middle hollow tube 12 and the tail hollow tube 13 are also provided with a fixed sleeve 1 6, a fixed sleeve 2 7, a connecting clip 1 8, a connecting clip 2 9, a fixed buckle 10 and a fixed slot 11 structure. The hollow tube 4, the middle hollow tube 12 and the tail hollow tube 13 evenly discharge oxygen at the bottom of the aeration tank 1.

[0029] Reference Figure 6 The inner side of the fixed sleeve 7 is also provided with a connecting card strip 1 8 and a connecting card strip 2 9 structure, and the connecting card strip 1 8 and the connecting card strip 2 9 are adapted to be connected with the connecting card slot 5.

[0030] Reference Figure 5 There are several groups of intermediate hollow tubes 12, which are arranged in sequence at one end of the connecting hollow tube 4. The number of intermediate hollow tubes 12 can be selected according to the size of the aeration tank 1.

[0031] Reference Figure 3 There are four groups of retaining ring fixing screw holes 15, which are evenly symmetrically arranged in four directions on the filter plate retaining ring 14. There are four groups of filter plate fixing screw holes 17 and fixing studs 18, which are evenly symmetrically arranged in four directions on the filter plate 16. The number and specifications of the retaining ring fixing screw holes 15, the filter plate fixing screw holes 17 and the fixing studs 18 are matched. The filter plate 16 is fixed by the retaining ring fixing screw holes 15, the filter plate fixing screw holes 17 and the fixing studs 18.

[0032] The working principle of the utility model is as follows: when in use, according to the specific size of the aeration tank 1, an appropriate number of middle hollow tubes 12 are selected, and the outlet pipe 3, the connecting hollow tube 4, the middle hollow tube 12 and the tail hollow tube 13 are connected in sequence through several groups of fixed sleeves 1 6 and fixed sleeves 2 7. The connecting clips 1 8 and the connecting clips 2 9 in the fixed sleeves 1 6 and the fixed sleeves 2 7 are clamped with the connecting slots 5 of the two groups of connecting pipes, and the fixed sleeves 1 6 and the fixed sleeves 2 7 are closed and fixedly connected through the fixing buckles 10 and the fixing slots 11. The filter plate 16 is placed Above the filter plate retaining ring 14, four sets of fixing studs 18 are screwed into the filter plate fixing screw holes 17 and the retaining ring fixing screw holes 15 to fix the filter plate 16. The wastewater is introduced into the aeration tank 1 through the water inlet pipe 20. The folding cover 19 is closed, and the oxygen delivery device 2 is started to evenly deliver oxygen from the outlet pipe 3 along the pipeline into the wastewater, so that the oxygen is fully in contact with the wastewater in the aeration tank 1 and reacts. The wastewater passes through the filter plate 16 to block large particles of impurities and sludge, reducing the blockage of the oxygen holes in the oxygen delivery pipeline by sludge. The treated wastewater is discharged through the outlet pipe 21.

[0033] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An aeration tank for sewage treatment, comprising: The aeration tank (1) is characterized in that an oxygen delivery device (2) is fixedly connected to one side of the aeration tank (1), an outlet pipe (3) is connected to one end of the oxygen delivery device (2), a connecting hollow pipe (4) is provided at one end of the outlet pipe (3), a connecting card slot (5) is provided on the outer side of one end of the connecting hollow pipe (4), one end of the connecting card slot (5) is card-connected with a fixed sleeve (6), and one end of the fixed sleeve (6) is hingedly connected to a fixed sleeve (2). (7), a connecting clip strip (8) is fixedly connected to the inner side of the fixing sleeve (6), a connecting clip strip (9) is fixedly connected to the inner side of the fixing sleeve (6), a fixing buckle (10) is hinged at one end of the fixing sleeve (6), a fixing slot (11) is provided at one end of the fixing sleeve (7), an intermediate hollow tube (12) is provided at one end of the connecting hollow tube (4), and a tail hollow tube (13) is provided at one end of the intermediate hollow tube (12).

2. The aeration tank for sewage treatment according to claim 1, characterized in that: A filter plate retaining ring (14) is fixedly connected to one end of the aeration tank (1), a retaining ring fixing screw hole (15) is provided at one end of the filter plate retaining ring (14), a filter plate (16) is arranged above the filter plate retaining ring (14), a filter plate fixing screw hole (17) is provided at one end of the filter plate (16), and a fixing stud (18) is screwed into the filter plate fixing screw hole (17).

3. The aeration tank for sewage treatment according to claim 1, characterized in that: A folding cover plate (19) is hinged on the top of the aeration tank (1), a water inlet pipe (20) is connected through one side of the aeration tank (1), and a water outlet pipe (21) is connected through the other side of the aeration tank (1).

4. The aeration tank for sewage treatment according to claim 1, characterized in that: One end of the air outlet pipe (3) is also provided with a connecting slot (5), and both ends of the connecting hollow pipe (4), the middle hollow pipe (12) and the tail hollow pipe (13) are also provided with connecting slots (5).

5. The aeration tank for sewage treatment according to claim 1, characterized in that: The connection points between the connecting hollow tube (4), the middle hollow tube (12) and the tail hollow tube (13) are also provided with a fixing sleeve 1 (6), a fixing sleeve 2 (7), a connecting clamping strip 1 (8), a connecting clamping strip 2 (9), a fixing buckle (10) and a fixing clamping slot (11) structure.

6. The aeration tank for sewage treatment according to claim 1, characterized in that: The inner side of the second fixed sleeve (7) is also provided with a first connecting clip (8) and a second connecting clip (9) structure.

7. The aeration tank for sewage treatment according to claim 1, characterized in that: The intermediate hollow tubes (12) are provided in a number of groups and are arranged in sequence at one end connected to the hollow tube (4).

8. The aeration tank for sewage treatment according to claim 2, characterized in that: The retaining ring fixing screw holes (15) are provided in four groups and are evenly and symmetrically arranged on the four directions of the filter plate retaining ring (14). The filter plate fixing screw holes (17) and the fixing studs (18) are both provided in four groups and are evenly and symmetrically arranged on the four directions of the filter plate (16). The number and specifications of the retaining ring fixing screw holes (15), the filter plate fixing screw holes (17) and the fixing studs (18) are adapted to each other.

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