Surface aerator

Abstract

The utility model discloses a surface aerator which comprises a rack, a motor and a centrifugal fan are mounted on the outer surface of the rack, and a transmission component is mounted among the motor, the rack and the centrifugal fan; a fixed air pipe fixedly penetrates through an air outlet of the centrifugal fan, and an annular pipe fixedly penetrates through the other end of the fixed air pipe. According to the sewage oxygenation device, through the arrangement of the transmission assembly, the motor, the centrifugal fan, the fixed air pipe, the annular pipe, the main pipe, the movable pipe, the telescopic adjusting assembly, the triangular pipe and the micro holes, when the impeller is used for carrying out oxygenation on upper-layer sewage, oxygenation operation can be carried out on lower-layer sewage, and the oxygen supplementing effect on the lower-layer sewage is improved; propagation of beneficial bacteria in lower-layer sewage is facilitated, so that the sewage treatment effect is improved, and the lowering depth of the triangular pipe can be adjusted as required, so that the use requirement is met, and the overall practicability is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to surface aerator technical field especially relates to a surface aerator. BACKGROUND

[0002] Surface aerator is a commonly used sewage treatment equipment, mainly used for increasing the oxygen content in water, promoting the biological treatment of sewage. It usually uses the high-speed rotation of the aeration mechanical equipment motor to directly drive the operation of the axial flow impeller, so that a large number of water droplets and pieces are thrown into the air, and the turbulent flow and airflow generated when the water droplets fall and impact the liquid surface and a large number of air bubbles can increase the oxygen content in water.

[0003] Surface aerator is suitable for environmental protection industry, sewage treatment plant and other fields, and can improve the treatment efficiency of sewage.

[0004] At present, the inverted umbrella-shaped impeller surface aerator mainly comprises a motor, a speed reducer, a lubricating system, a rack, an inverted umbrella seat, a main shaft and an impeller.

[0005] The existing inverted umbrella-shaped impeller surface aerator is installed on the water surface, the top of the impeller is flush with the water surface, in the actual operation process, the aeration operation is carried out through the rotating impeller, but this kind of aeration method still has some defects, it has better effect on supplementing oxygen to the upper layer of sewage in sewage pool or oxidation ditch and other sewage treatment places, the oxygen supplement effect for the lower layer of sewage is poor, which is not conducive to the reproduction of beneficial bacteria in the lower layer of sewage, and further reduces the sewage treatment effect. INVENTION CONTENTS

[0006] The utility model discloses a surface aerator to solve the shortcomings in the prior art.

[0007] In order to realize the above-mentioned purpose, the utility model discloses the following technical scheme: a surface aerator, including the rack, the outer surface of rack installs motor and centrifugal fan, motor, rack and centrifugal fan between jointly install transmission assembly,

[0008] The air outlet of the centrifugal fan is fixedly penetrated by a fixed air pipe, the other end of the fixed air pipe is fixedly penetrated by an annular pipe, the inner surface of the annular pipe is sealingly abutted by a main pipe, and the main pipe is connected with the transmission assembly;

[0009] The outer surface of the main pipe is fixedly sleeved with an impeller;

[0010] The bottom of the main pipe is sealingly and slidably inserted with a movable pipe, and a telescopic adjusting assembly is jointly installed between the movable pipe and the main pipe;

[0011] The outer surface of the movable pipe is fixedly penetrated by a plurality of triangular pipes, and a plurality of micro-holes penetrating into the interior are arranged on the back surface of the plurality of triangular pipes.

[0012] Further, the transmission assembly includes a speed reducer, two synchronous pulleys and a synchronous belt, the speed reducer is fixedly installed on the top of the frame, the input shaft of the speed reducer is fixedly connected with the driving shaft of the motor, the output shaft of the speed reducer is arranged through the frame and is fixedly connected with the main pipe, the two synchronous pulleys are fixedly sleeved on the outer surfaces of the driving shaft of the motor and the input shaft of the centrifugal fan respectively, and the synchronous belt is sleeved on the outer surfaces of the two synchronous pulleys.

[0013] Further, the telescopic adjusting assembly includes a hand wheel, the mounting shaft of the hand wheel extends through the outer wall of the main pipe to the inside and is rotationally connected with the main pipe, one end of the mounting shaft of the hand wheel is fixedly connected with a first bevel gear, one side of the outer surface of the first bevel gear is rotatably connected with a second bevel gear, the bottom of the second bevel gear is fixedly connected with a screw rod, the outer surface of the screw rod is threadedly sleeved with a mounting bracket, and the mounting bracket is fixedly connected with the movable pipe, and the hand wheel is arranged to drive the screw rod to rotate.

[0014] Further, the outer surface of the screw rod is rotatably sleeved with a support frame, and the support frame is fixedly connected with the main pipe, the bottom of the support frame is fixedly connected with two sliding rods, and the mounting bracket is slidably sleeved on the outer surface of the sliding rod, and the sliding rod and the mounting bracket are limited to ensure the stability of the movable pipe.

[0015] Further, the outer surface of the mounting shaft of the hand wheel is sleeved with a fixed block, and the fixed block is fixedly connected with the main pipe, the bottom of the fixed block is provided with a locking bolt penetrating into the inside, the locking bolt is threadedly connected with the fixed block, and the locking bolt is in abutment with the outer wall of the mounting shaft of the hand wheel, and the locking bolt has a locking effect on the hand wheel.

[0016] Further, the inner surface of the main pipe is symmetrically provided with two through holes penetrating the outside, and the through holes are in communication with the annular pipe, and the through holes are arranged to facilitate the communication between the main pipe and the annular pipe.

[0017] Further, the outer surface of the main pipe is rotatably sleeved with a support seat, and the support seat is fixedly connected with the frame and the annular pipe, the support seat has a supporting effect on the main pipe and the annular pipe, and is conducive to the installation of the main pipe and the annular pipe.

[0018] The beneficial effects of the utility model are as follows:

[0019] In use, this surface aerator, through its transmission components, motor, centrifugal fan, fixed duct, annular pipe, main pipe, movable pipe, telescopic adjustment component, triangular tube, and micropores, utilizes an impeller to oxygenate both the upper and lower layers of wastewater. This enhances the oxygen supply to the lower layer, promoting the growth of beneficial bacteria and thus improving wastewater treatment efficiency. Furthermore, the depth of the triangular tube can be adjusted to meet various usage requirements and ensure overall practicality. Attached Figure Description

[0020] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 : A first-view structural diagram of the present invention;

[0022] Figure 2 : Overall second-view structural diagram of this utility model;

[0023] Figure 3 Cross-sectional views of the main pipe, movable pipe, and annular pipe of this utility model;

[0024] Figure 4 The present utility model Figure 3 Enlarged view of point A in the middle.

[0025] The attached figures are labeled as follows:

[0026] 1. Frame; 2. Synchronous belt; 3. Centrifugal fan; 4. Annular pipe; 5. Main pipe; 6. Impeller; 7. Movable pipe; 8. Micro-hole; 9. Motor; 10. Reducer; 11. Support base; 12. Triangular tube; 13. Synchronous pulley; 14. Fixed duct; 15. Handwheel; 16. Through hole; 17. Fixing block; 18. First bevel gear; 19. Second bevel gear; 20. Support frame; 21. Locking bolt; 22. Slide rod; 23. Screw; 24. Mounting bracket. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0028] As shown in Figures 1 to 4 the surface aerator, comprising a frame 1, the outer surface of the frame 1 is provided with a motor 9 and a centrifugal fan 3, a transmission assembly is jointly arranged between the motor 9, the frame 1 and the centrifugal fan 3, the transmission assembly comprises a speed reducer 10, two synchronous pulleys 13 and a synchronous belt 2, the speed reducer 10 is fixedly installed on the top of the frame 1, the input shaft of the speed reducer 10 is fixedly connected with the driving shaft of the motor 9, the two synchronous pulleys 13 are respectively fixedly sleeved on the outer surface of the driving shaft of the motor 9 and the outer surface of the input shaft of the centrifugal fan 3, and the synchronous belt 2 is engagedly sleeved on the outer surface of the two synchronous pulleys 13, the synchronous pulley 13 and the synchronous belt 2 are matched to drive, and the transmission precision is high.

[0029] The air outlet of the centrifugal fan 3 is fixedly penetrated by a fixed air pipe 14, the other end of the fixed air pipe 14 is fixedly penetrated by an annular pipe 4, the inner surface of the annular pipe 4 is sealingly abutted by a main pipe 5, the inner surface of the main pipe 5 is symmetrically provided with two through holes 16 penetrating the outside, the through holes 16 are communicated with the annular pipe 4, two sealing sleeves are symmetrically fixedly sleeved on the outer surface of the main pipe 5 and sealingly abut the annular pipe 4, so as to ensure the sealing property of the connection between the main pipe 5 and the annular pipe 4.

[0030] The main pipe 5 is connected with the transmission assembly, the output shaft of the speed reducer 10 is penetrated through the frame 1 and fixedly connected with the main pipe 5.

[0031] The outer surface of the main pipe 5 is fixedly sleeved with an impeller 6.

[0032] The bottom of the main pipe 5 is sealingly and slidingly inserted with a movable pipe 7. A sealing sleeve is fixedly sleeved on the top of the outer surface of the movable pipe 7 and abuts against the inner wall of the main pipe 5, so as to ensure the sealing of the connection between the movable pipe 7 and the main pipe 5. A telescopic adjusting assembly is jointly installed between the movable pipe 7 and the main pipe 5. The telescopic adjusting assembly comprises a hand wheel 15. The mounting shaft of the hand wheel 15 extends through the outer wall of the main pipe 5 to the inside and is rotationally connected therewith. The mounting shaft of the hand wheel 15 is connected with the main pipe 5 by using an existing bearing. The inner ring of the bearing is fixedly connected with the hand wheel 15, and the outer ring of the bearing is fixedly connected with the main pipe 5. A sealing ring is installed at the connection, so as to ensure the sealing of the connection between the hand wheel 15 and the main pipe 5, which is beneficial to the installation of the hand wheel 15. One end of the mounting shaft of the hand wheel 15 is fixedly connected with a first bevel gear 18. The outer surface of the first bevel gear 18 is meshingly connected with a second bevel gear 19 on one side. The bottom of the second bevel gear 19 is fixedly connected with a screw rod 23. The outer surface of the screw rod 23 is threadedly sleeved with a mounting bracket 24, which is fixedly connected with the movable pipe 7. The outer surface of the screw rod 23 is rotationally sleeved with a support bracket 20, which is rotationally connected with the screw rod 23. An annular groove is formed in the inner surface of the support bracket 20. A sliding ring is slidingly connected in the annular groove and is fixedly connected with the screw rod 23, which is beneficial to the installation of the screw rod 23. The support bracket 20 is fixedly connected with the main pipe 5. Two slide rods 22 are symmetrically fixedly connected with the bottom of the support bracket 20. The mounting bracket 24 is slidingly sleeved on the outer surface of the slide rods 22. The support bracket 20 and the mounting bracket 24 are both hollow designed, which is beneficial to the circulation of gas. The outer surface of the mounting shaft of the hand wheel 15 is sleeved with a fixed block 17, which is fixedly connected with the main pipe 5. The bottom of the fixed block 17 is provided with a locking bolt 21 penetrating into the inside, which is threadedly connected with the fixed block 17 and abuts against the outer wall of the mounting shaft of the hand wheel 15. When the locking effect of the locking bolt 21 cannot meet the actual use needs, a limiting hole can be formed in the outer surface of the mounting shaft of the hand wheel 15 according to the actual needs. When locking, the locking bolt 21 enters the limiting hole, so as to achieve the limiting effect.

[0033] A plurality of triangular pipes 12 are fixedly penetrated on the outer surface of the movable pipe 7. A plurality of micro holes 8 penetrating into the inside are arranged on the back of the triangular pipes 12. The diameter of the micro holes 8 is smaller than the diameter of water molecules, so as to avoid sewage from entering the triangular pipes 12.

[0034] The outer surface of the main pipe 5 is rotationally sleeved with a support seat 11, which is fixedly connected with the rack 1 and the annular pipe 4. The support seat 11 is connected with the main pipe 5 by using an existing bearing. The inner ring of the bearing is fixedly connected with the main pipe 5, and the outer ring of the bearing is fixedly connected with the support seat 11. The bearing not only can reduce the rotation resistance of the main pipe 5, but also is beneficial to the installation of the main pipe 5.

[0035] Working principle: the motor 9 is started, the motor 9 drives the synchronous pulley 13 and the speed reducer 10 connected with it to run, the speed reducer 10 drives the main pipe 5 to rotate through the output shaft, the main pipe 5 drives the impeller 6 to rotate, the sewage is stirred, the main pipe 5 drives the movable pipe 7 to rotate through the support frame 20, the slide rod 22 and the mounting frame 24, the movable pipe 7 drives a plurality of triangular pipes 12 to rotate counterclockwise, so that one corner of the triangle separates water, and a short negative pressure area is formed on the back of the triangular pipe 12 after rotation, which is beneficial to subsequent air discharge through the micro hole 8; the synchronous pulley 13 rotates through the synchronous belt 2 to drive another synchronous pulley 13 to rotate, so as to drive the centrifugal fan 3 to run, the centrifugal fan 3 sucks air, then sends it into the annular pipe 4 through the fixed air pipe 14, then enters the main pipe 5 through the through hole 16, then enters the triangular pipe 12 through the movable pipe 7, and is discharged through the micro hole 8.

[0036] It should be noted that the motor 9, the centrifugal fan 3 and the speed reducer 10 are prior art, and corresponding models and specifications can be selected according to actual needs.

[0037] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A surface aerator comprising a frame (1), characterized in that: The outer surface of the rack (1) is provided with a motor (9) and a centrifugal fan (3), and a transmission assembly is jointly arranged between the motor (9), the rack (1) and the centrifugal fan (3); A fixed air pipe (14) is fixedly penetrated through the air outlet of the centrifugal fan (3), another end of the fixed air pipe (14) is fixedly penetrated through an annular pipe (4), the inner surface of the annular pipe (4) is sealingly abutted by a main pipe (5), and the main pipe (5) is connected with the transmission assembly; The outer surface of the main pipe (5) is fixedly sleeved with an impeller (6); The bottom of the main pipe (5) is sealingly and slidingly connected with a movable pipe (7), and a telescopic adjusting assembly is jointly arranged between the movable pipe (7) and the main pipe (5); The outer surface of the movable pipe (7) is fixedly penetrated through a plurality of triangular pipes (12), and the back surface of each triangular pipe (12) is provided with a plurality of micro-holes (8) penetrating into the interior.

2. A surface aerator as claimed in claim 1, wherein: The transmission assembly comprises a speed reducer (10), two synchronous pulleys (13) and a synchronous belt (2), the speed reducer (10) is fixedly arranged on the top of the rack (1), the input shaft of the speed reducer (10) is fixedly connected with the driving shaft of the motor (9), the output shaft of the speed reducer (10) is fixedly connected with the main pipe (5) and penetrates through the rack (1), and the two synchronous pulleys (13) are fixedly sleeved on the outer surfaces of the driving shaft of the motor (9) and the input shaft of the centrifugal fan (3) respectively, and the synchronous belt (2) is engagedly sleeved on the outer surfaces of the two synchronous pulleys (13).

3. A surface aerator as claimed in claim 1, wherein: The telescopic adjusting assembly comprises a hand wheel (15), the mounting shaft of the hand wheel (15) extends to the interior of the main pipe (5) through the outer wall of the main pipe (5) and is rotationally connected with the main pipe (5), one end of the mounting shaft of the hand wheel (15) is fixedly connected with a first bevel gear (18), one side of the outer surface of the first bevel gear (18) is engagedly connected with a second bevel gear (19), the bottom of the second bevel gear (19) is fixedly connected with a screw rod (23), the outer surface of the screw rod (23) is threadedly sleeved with a mounting frame (24), and the mounting frame (24) is fixedly connected with the movable pipe (7).

4. A surface aerator as claimed in claim 3, wherein: The outer surface of the screw rod (23) is rotationally sleeved with a supporting frame (20), and the supporting frame (20) is fixedly connected with the main pipe (5), the bottom of the supporting frame (20) is symmetrically fixedly connected with two sliding rods (22), and the mounting frame (24) is slidingly sleeved on the outer surface of the sliding rod (22).

5. A surface aerator as claimed in claim 4, wherein: The outer surface of the mounting shaft of the hand wheel (15) is sleeved with a fixed block (17), and the fixed block (17) is fixedly connected with the main pipe (5), the bottom of the fixed block (17) is provided with a locking bolt (21) penetrating into the interior, the locking bolt (21) is threadedly connected with the fixed block (17), and the locking bolt (21) abuts against the outer wall of the mounting shaft of the hand wheel (15).

6. A surface aerator as claimed in claim 1, wherein: The inner surface of the main pipe (5) is symmetrically provided with two through holes (16) penetrating the exterior, and the through holes (16) are communicated with the annular pipe (4).

7. A surface aerator as claimed in claim 1, wherein: The outer surface of the main pipe (5) is sleeved with a supporting seat (11), and the supporting seat (11) is fixedly connected with the rack (1) and fixedly connected with the annular pipe (4).

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