Novel aerator for sewage treatment

Abstract

The utility model relates to the technical field of sewage treatment pools, and discloses a novel aerator for sewage treatment, which comprises an aerator, the top of the aerator is fixedly connected with an air inlet, the outer part of the air inlet is fixedly connected with a convex ring, the convex ring is fixedly connected to the top of the aerator, the inner bottom of the convex ring is fixedly connected with a rubber positioning column, and the rubber positioning column is fixedly connected with an air outlet of the aerator. First springs are arranged in the rubber positioning columns, the bottom ends of the first springs are fixedly connected to the inner bottom of the convex ring, the top ends of the first springs are fixedly connected with guide blocks, the guide blocks are fixedly connected to the tops of the rubber positioning columns, and a flow guide inclined face is arranged at the top of the air inlet. And flow guide holes are formed in the outer parts of the air inlets. According to the air inlet pipe, the connecting strength and the sealing performance between the air inlet and the air inlet pipe are improved through the arrangement of the expansion rubber ring, the air inlet pipe is more convenient to install through the arrangement of the installation block, and the stability of the air inlet pipe is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment pools, in particular to a novel aerator for sewage treatment. Background Art

[0002] Aerators for sewage treatment are devices used to inject gas (usually oxygen) into sewage during the sewage treatment process to promote the growth and activity of microorganisms and accelerate the degradation and removal of organic matter. Aerators are usually used in bioreactors (such as activated sludge reactors, aerated sedimentation tanks, etc.). Through the stirring effect of bubbles, dissolved oxygen is transported into sewage to provide oxygen required for microbial growth, while discharging gases such as carbon dioxide.

[0003] A Chinese patent with the search announcement number CN214936455U discloses a new type of aerator for a sewage treatment pool, including an aerator and an air inlet pipe, the air inlet pipe is located at the top of the aerator, the top of the aerator is connected to an air inlet, both sides of the air inlet pipe are fixedly connected to a fixing block, the top of the fixing block is provided with a positioning groove, and a positioning block is provided inside the positioning groove. Although the patented technology can facilitate the user to assemble the air inlet pipe, the sealing ring is leak-proof, and the sealing strength is poor, which affects the sealing performance of the air inlet pipe after being connected to the air inlet. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a new type of aerator for sewage treatment, aiming to improve the problem that the sealing ring in the prior art performs leak-proof treatment, the sealing strength is poor, and the sealing performance after the air inlet pipe is connected to the air inlet is affected.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a new type of aerator for sewage treatment, comprising an aerator, wherein the top of the aerator is fixedly connected with an air inlet, the outside of the air inlet is fixedly connected with a convex ring, the convex ring is fixedly connected to the top of the aerator, the inner bottom of the convex ring is fixedly connected with a rubber positioning column, a first spring is arranged inside the rubber positioning column, the bottom end of the first spring is fixedly connected to the inner bottom of the convex ring, the top of the first spring is fixedly connected with a guide block, the guide block is fixedly connected to the top of the rubber positioning column, a guide slope is provided on the top of the air inlet, a guide hole is provided on the outside of the air inlet, an expansion rubber ring is fixedly connected to the outside of the air inlet, and an air inlet assembly is arranged on the outside of the air inlet.

[0006] Furthermore, the air intake assembly includes an air intake pipe, which is arranged outside the air inlet, an overflow groove is opened on the inner side of the air intake pipe, a positioning hole is opened at the bottom of the air intake pipe, and an exhaust hole is opened outside the air intake pipe, and the exhaust hole is communicated with the positioning hole.

[0007] Furthermore, mounting blocks are fixedly connected to both sides of the outside of the air inlet pipe, a clamping groove is provided at the bottom of the mounting block, and a movable groove is provided inside the mounting block.

[0008] Furthermore, a movable plate is arranged inside the mounting block, the movable plate is slidably connected inside the movable groove, and the outer sides of the movable plate are fixedly connected with pull rods.

[0009] Furthermore, the pull rod is slidably connected to the inside of the slide groove, and the inside of the mounting block is provided with a slide groove.

[0010] Furthermore, the outer side of the movable plate is fixedly connected with a second spring, and one end of the second spring away from the movable plate is fixedly connected to the inner side of the movable groove.

[0011] Furthermore, the inner sides of the movable plates are fixedly connected with clamping rods, and the clamping rods are slidably connected inside the through holes.

[0012] Furthermore, clamping blocks are fixedly connected to both sides of the top of the aerator, through holes are provided inside the clamping blocks, and the clamping blocks are arranged inside the clamping slots.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the connection strength and sealing performance between the air inlet and the air inlet pipe are improved by the coordination among the air inlet, the air inlet pipe, the convex ring, the rubber positioning column, the first spring, the guide block, the positioning hole, the exhaust hole, the guide slope, the guide hole, the expansion rubber ring, the overflow groove and other structures.

[0015] 2. In the utility model, the bottom end of the intake pipe is fixedly mounted on the intake port through the cooperation between the mounting block, the slot, the movable slot, the slide slot, the clamping rod, the movable plate, the second spring, the pull rod and other structures, so that the installation is convenient and its stability is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of a new type of aerator for sewage treatment proposed by the utility model;

[0017] Figure 2 This is a partial structural cross-sectional view of the novel aerator for sewage treatment proposed by the utility model;

[0018] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0020] Figure 5This is a cross-sectional view of the air inlet pipe and convex ring structure of the new aerator for sewage treatment proposed by the utility model.

[0021] Legend:

[0022] 1. Aerator; 2. Air inlet; 3. Air inlet pipe; 4. Convex ring; 5. Rubber positioning column; 6. First spring; 7. Guide block; 8. Positioning hole; 9. Exhaust hole; 10. Diversion slope; 11. Diversion hole; 12. Expansion rubber ring; 13. Overflow groove; 14. Block; 15. Through hole; 16. Mounting block; 17. Slot; 18. Movable slot; 19. Slide; 20. Clamp rod; 21. Movable plate; 22. Second spring; 23. Pull rod. DETAILED DESCRIPTION

[0023] 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.

[0024] Reference Figure 1 , Figure 3 and Figure 5 The utility model provides an embodiment: a novel aerator for sewage treatment, comprising an aerator 1, an air inlet 2 is fixedly connected to the top of the aerator 1, a convex ring 4 is fixedly connected to the outside of the air inlet 2, the convex ring 4 is fixedly connected to the top of the aerator 1, a rubber positioning column 5 is fixedly connected to the inner bottom of the convex ring 4, a first spring 6 is arranged inside the rubber positioning column 5, the bottom end of the first spring 6 is fixedly connected to the inner bottom of the convex ring 4, the top end of the first spring 6 is fixedly connected to a guide block 7, and the guide block 7 is fixedly connected At the top of the rubber positioning column 5, a guide slope 10 is provided on the top of the air inlet 2, a guide hole 11 is provided on the outside of the air inlet 2, an expansion rubber ring 12 is fixedly connected to the outside of the air inlet 2, an air intake assembly is provided on the outside of the air inlet 2, the air intake assembly includes an air intake pipe 3, the air intake pipe 3 is provided on the outside of the air inlet 2, an overflow groove 13 is provided on the inner side of the air intake pipe 3, a positioning hole 8 is provided at the bottom of the air intake pipe 3, an exhaust hole 9 is provided on the outside of the air intake pipe 3, and the exhaust hole 9 is communicated with the positioning hole 8.

[0025] The air intake pipe 3 is sleeved on the air intake port 2, and the rubber positioning column 5 is provided with a first spring 6. The rubber positioning column 5 can form a positioning plug-in fit with the positioning hole 8. The first spring 6 can increase the overall strength of the rubber positioning column 5. The guide block 7 can play a guiding role when the rubber positioning column 5 is inserted in the positioning hole 8. The exhaust hole 9 is used to discharge the gas in the positioning hole 8. Water enters the overflow groove 13, so that the expansion rubber ring 12 expands after absorbing water, thereby increasing the fit between the expansion rubber ring 12 and the inner wall of the air intake pipe 3, and the guide hole 11 is used to guide the water into the overflow groove 13.

[0026] Reference Figure 2 , Figure 3 and Figure 4 The outside of the air intake pipe 3 is fixedly connected with mounting blocks 16 on both sides, a slot 17 is provided at the bottom of the mounting block 16, a movable slot 18 is provided inside the mounting block 16, a movable plate 21 is provided inside the mounting block 16, the movable plate 21 is slidably connected inside the movable slot 18, a pull rod 23 is fixedly connected to the outside of the movable plate 21, the pull rod 23 is slidably connected inside the slide slot 19, and a slide slot 19 is provided inside the mounting block 16.

[0027] The clamping groove 17 is used for clamping the block 14 . By pulling the pull rod 23 , the pull rod 23 drives the movable plate 21 to move. The movable groove 18 is used for limiting the movable plate 21 , and the sliding groove 19 is used for sliding the pull rod 23 .

[0028] Reference Figure 3 and Figure 4 The outer side of the movable plate 21 is fixedly connected with a second spring 22, and one end of the second spring 22 away from the movable plate 21 is fixedly connected to the inner side of the movable groove 18. The inner side of the movable plate 21 is fixedly connected with a clamping rod 20, and the clamping rod 20 is slidably connected to the inside of the through hole 15. The top two sides of the aerator 1 are fixedly connected with clamping blocks 14, and the inside of the clamping blocks 14 is provided with through holes 15. The clamping blocks 14 are arranged inside the clamping groove 17.

[0029] Release the pull rod 23, and the movable plate 21 is reset by the elastic force of the second spring 22. The movable plate 21 drives the clamping rod 20 to move, so that the clamping rod 20 is engaged in the through hole 15. The clamping block 14 is used to be connected to the clamping groove 17 of the mounting block 16, and the through hole 15 is used to fix the clamping rod 20.

[0030] Working principle: When using the device, pull the pull rods 23 on both sides, the pull rods 23 drive the movable plate 21, and the movable plate 21 drives the clamping rod 20, so that the clamping block 14 is clamped inside the clamping groove 17, and the pull rod 23 is released. The clamping rod 20 is reset by the force of the second spring 22, and the clamping rod 20 is reset and clamped inside the through hole 15, so that the clamping block 14 is fixed. The clamping block 14 is fixed in the clamping groove 17, so that the air inlet pipe 3 is fixedly connected to the aerator 1. After being fixed, the air inlet pipe 3 is sleeved on the air inlet 2. By setting the convex ring 4, the bottom of the air inlet pipe 3 can be pressed after the air inlet pipe 3 is inserted into the outside of the air inlet 2. The limiting connection work is performed, and a small amount of water is injected into the air intake pipe 3. The water flows into the expansion rubber ring 12 through the guide hole 11 on the guide slope 10, and the water is guided into the overflow groove 13. The expansion rubber ring 12 is set to expand after absorbing water, and the fit between the expansion rubber ring 12 and the inner wall of the air intake pipe 3 is increased, and the sealing strength is further improved. The positioning hole 8 is convenient for the assembly and positioning of the air intake pipe 3. The exhaust hole 9 can perform exhaust work when the guide block 7 is inserted into the positioning hole 8, so as to avoid excessive air pressure in the positioning hole 8 due to extrusion, which affects the connection and sealing effect between the air inlet 2 and the air intake pipe 3.

[0031] 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. A novel aerator for sewage treatment, comprising an aerator (1), characterized in that: The top of the aerator (1) is fixedly connected to an air inlet (2), the outside of the air inlet (2) is fixedly connected to a convex ring (4), the convex ring (4) is fixedly connected to the top of the aerator (1), the inner bottom of the convex ring (4) is fixedly connected to a rubber positioning column (5), a first spring (6) is arranged inside the rubber positioning column (5), the bottom end of the first spring (6) is fixedly connected to the inner bottom of the convex ring (4), the top of the first spring (6) is fixedly connected to a guide block (7), the guide block (7) is fixedly connected to the top of the rubber positioning column (5), the top of the air inlet (2) is provided with a guide slope (10), the outside of the air inlet (2) is provided with a guide hole (11), the outside of the air inlet (2) is fixedly connected to an expansion rubber ring (12), and the outside of the air inlet (2) is provided with an air inlet assembly.

2. The novel aerator for sewage treatment according to claim 1 is characterized in that: The air intake assembly comprises an air intake pipe (3), the air intake pipe (3) is arranged outside the air intake port (2), an overflow groove (13) is provided on the inner side of the air intake pipe (3), a positioning hole (8) is provided at the bottom of the air intake pipe (3), and an exhaust hole (9) is provided outside the air intake pipe (3), and the exhaust hole (9) is communicated with the positioning hole (8).

3. The novel aerator for sewage treatment according to claim 2 is characterized in that: Both sides of the outside of the air inlet pipe (3) are fixedly connected with mounting blocks (16), the bottom of the mounting blocks (16) are provided with clamping grooves (17), and the inside of the mounting blocks (16) is provided with movable grooves (18).

4. The novel aerator for sewage treatment according to claim 3 is characterized in that: A movable plate (21) is arranged inside the mounting block (16), and the movable plate (21) is slidably connected inside the movable groove (18), and a pull rod (23) is fixedly connected to the outer side of the movable plate (21).

5. The novel aerator for sewage treatment according to claim 4 is characterized in that: The pull rod (23) is slidably connected inside the slide groove (19), and the installation block (16) is provided with a slide groove (19) inside.

6. The novel aerator for sewage treatment according to claim 4 is characterized in that: The outer side of the movable plate (21) is fixedly connected to a second spring (22), and one end of the second spring (22) away from the movable plate (21) is fixedly connected to the inner side of the movable groove (18).

7. The novel aerator for sewage treatment according to claim 4 is characterized in that: The inner side of the movable plate (21) is fixedly connected with a clamping rod (20), and the clamping rod (20) is slidably connected inside the through hole (15).

8. The novel aerator for sewage treatment according to claim 1 is characterized in that: Blocks (14) are fixedly connected to both sides of the top of the aerator (1), through holes (15) are provided inside the blocks (14), and the blocks (14) are arranged inside the slots (17).

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