Aeration device for sewage treatment based on aeration local stirring

Abstract

The utility model relates to the technical field of sewage treatment devices, in particular to an aeration device for sewage treatment based on aeration local stirring, which comprises a sewage pool, a plurality of aeration assemblies for treating sewage are arranged in the sewage pool; the aeration assembly comprises a sleeve arranged at the bottom of the sewage pool; a piston is movably arranged in the sleeve; push rods are arranged at the tops of the pistons; the two sides of the sleeve communicate with connecting pipes. A second one-way valve is mounted outside a connecting pipe, air in a sleeve is extruded into a driving box through downward movement of a push rod, then flows into an aeration pipe through the driving box, and finally is sprayed out through an aeration nozzle outside the aeration pipe, so that aeration work on sewage is realized; and corresponding aeration assemblies can be added, so that the use of aeration machines is reduced, the sewage treatment cost is reduced, and the operation and maintenance cost is also reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment device technical field, concretely relates to a sewage treatment is with aeration device based on local aeration stirring. BACKGROUND

[0002] In the sewage treatment process, using certain method and equipment, forcedly pass into air to sewage, make the sewage in the pool contact with air and oxygen, and agitate liquid, accelerate the oxygen in the air to the transfer in the liquid, prevent the pool suspended object sinking, strengthen the organic matter in the pool and the contact of microorganism and dissolved oxygen, carry out oxidation decomposition to the organic matter in the sewage, this kind of forced oxygenation process to the sewage is called aeration. At present, when treating sewage, basically all utilize aerator to carry out aeration work to the sewage pool, but along with the expansion of the sewage pool, in order to make aeration uniform, the aerator used will also increase, thereby increasing the cost of sewage treatment.

[0003] Chinese patent authorized announcement No. CN211770526U discloses an aeration tank aeration device for sewage treatment, which comprises a stirring motor and an aeration tank. The output end of the stirring motor is fixedly connected with a stirring shaft through a shaft coupling. The outer surface of the stirring shaft is fixedly connected with stirring blades. An aerator is fixedly connected to the top of the aeration tank on one side of the stirring motor. The output end of the aerator is connected with a conduit. The bottom end of the conduit penetrates through the aeration tank and extends into the interior of the aeration tank. The aeration tank aeration device for sewage treatment rotates the stirring shaft and the stirring blades driven by the stirring motor, increases the water and air contact area by mechanical stirring, changes the stirring radius during stirring, effectively enhances the sewage treatment effect, and the aeration holes opened in the outer ring aeration pipe, the inner ring aeration pipe and the connecting aeration pipe can uniformly distribute air into the aeration tank, effectively realizing the mixing of oxygen and activated sludge.

[0004] The above-mentioned sewage treatment device realizes effective aeration of the sewage pool by the cooperation of the aerator and the aeration pipe. However, as the amount of sewage increases, the size of the sewage pool will also continuously expand. In order to ensure the uniformity of aeration of the entire sewage pool, more aerators have to be added. As a result, not only the equipment investment cost increases, but also the operation and maintenance cost increases, thereby leading to the increase of the overall sewage treatment cost. UTILITY MODEL CONTENTS

[0005] In view of the above problems, the utility model provides a kind of aeration device for sewage treatment based on aeration local stirring, air inside sleeve is extruded to the inside of drive box by push rod moving downwards, then by drive box flow to the inside of aeration pipe, finally, it is sprayed out through aeration nozzle outside aeration pipe, so as to realize the aeration work of sewage, when sewage pool increases, corresponding aeration assembly can be increased, so as to reduce the use of aerator, reduce the cost of sewage treatment, also reduce operation and maintenance cost.

[0006] To solve the prior art problems, the utility model provides a kind of aeration device for sewage treatment based on aeration local stirring, including sewage pool;The inside of the sewage pool is provided with a plurality of aeration assemblies for treating sewage;The aeration assembly includes sleeve arranged at the bottom of the sewage pool;Piston is movably arranged in the vertical inside of the sleeve;The top of the piston is provided with a push rod;The two sides of the sleeve are communicated with connecting pipes;Second check valve is installed outside the connecting pipe;One end of the connecting pipe is communicated with drive box;One side of the drive box is communicated with aeration pipe for air outlet;The outside of the aeration pipe is communicated with a plurality of aeration nozzles.

[0007] Preferably, the inside of the drive box is rotatably provided with an impeller;The bottom of the impeller is provided with a stirring rod for stirring sewage;The bottom of the stirring rod is rotatably connected with the bottom wall of the sewage pool.

[0008] Preferably, the inside of the sleeve is also communicated with air inlet pipe for air inlet;First check valve is installed outside the air inlet pipe;The air inlet end of the air inlet pipe extends to the outside of the sewage pool.

[0009] Preferably, the top of the push rod is provided with a push plate;The top of the push plate is provided with a gear ring.

[0010] Preferably, the bottom of the sewage pool is provided with a plurality of groups of limiting telescopic rods;The telescopic end of each group of limiting telescopic rods is connected with the bottom of the push plate.

[0011] Preferably, the top of the sewage pool is provided with a motor;The output shaft of the motor is provided with a drive shaft through a shaft coupling;One end of the drive shaft is rotatably connected with the sewage pool through a rotating seat;The outside of the drive shaft is provided with a half gear engaged with the gear ring.

[0012] The utility model compared with prior art has the beneficial effects that:

[0013] 1、by push rod moving downwards air inside sleeve is extruded to the inside of drive box, then by drive box flow to the inside of aeration pipe, finally, it is sprayed out through aeration nozzle outside aeration pipe, so as to realize the aeration work of sewage, when sewage pool increases, corresponding aeration assembly can be increased, so as to reduce the use of aerator, reduce the cost of sewage treatment, also reduce operation and maintenance cost.

[0014] 2. The airflow drives the impeller to rotate as it passes through the drive box. The impeller then drives the stirring rod to rotate, thereby increasing the contact area between water and air, effectively enhancing the wastewater treatment effect, and finally completing the aeration of the wastewater. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of an aeration device for wastewater treatment based on localized aeration mixing.

[0016] Figure 2 This is a schematic diagram of the internal structure of a sewage tank in an aeration device for sewage treatment based on localized aeration and stirring.

[0017] Figure 3 This is a schematic diagram of the structure of an aeration component in an aeration device for wastewater treatment based on localized aeration mixing.

[0018] Figure 4 This is a schematic diagram of the gear and gear ring structure in an aeration device for wastewater treatment based on localized aeration mixing.

[0019] Figure 5 This is a schematic diagram of the internal structure of the sleeve in an aeration device for wastewater treatment based on localized aeration and stirring.

[0020] Figure 6 This is a schematic diagram of the internal structure of the drive box of an aeration device for wastewater treatment based on localized aeration mixing.

[0021] The following are the labels in the diagram: 1. Sewage tank; 2. Air inlet pipe; 3. Drive shaft; 4. Motor; 5. Push plate; 6. Limiting telescopic rod; 7. Sleeve; 8. Aeration pipe; 9. Drive box; 10. Stirring rod; 11. Gear ring; 12. Half gear; 13. First one-way valve; 14. Connecting pipe; 15. Second one-way valve; 16. Aeration nozzle; 17. Push rod; 18. Piston; 19. Impeller. Detailed Implementation

[0022] To further understand the features, technical means, and specific objectives and functions achieved by this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments.

[0023] like Figures 1 to 6 As shown, this utility model provides:

[0024] The utility model provides an aeration device based on aeration local stirring for sewage treatment, including sewage pool 1, the inside of sewage pool 1 is provided with a plurality of aeration assembly for treating sewage, aeration assembly includes the sleeve 7 of setting at sewage pool 1 bottom, the inside vertical movement of sleeve 7 is provided with piston 18, the top of piston 18 is provided with push rod 17, both sides of sleeve 7 are connected with connecting pipe 14, the outside of connecting pipe 14 is installed with second check valve 15, one end of connecting pipe 14 is connected with drive box 9, one side of drive box 9 is connected with aeration pipe 8 for gas outlet, the outside of aeration pipe 8 is connected with several aeration nozzles 16.

[0025] by push rod 17 downward movement extrude the air in the inside of sleeve 7 to the inside of drive box 9, then flow to the inside of aeration pipe 8 by drive box 9, finally spout by aeration nozzle 16 outside aeration pipe 8, to realize the aeration work to sewage, when sewage pool 1 increases, can increase the corresponding aeration assembly, to reduce the use of aerator, reduce the cost of sewage treatment, also reduce the operation and maintenance cost.

[0026] As Figure 6 shown, the inside rotation of drive box 9 is provided with impeller 19, the bottom of impeller 19 is provided with stirring rod 10 for stirring sewage, and the bottom of stirring rod 10 is rotatably connected with the bottom wall of sewage pool 1.

[0027] Utilize the airflow to drive impeller 19 to rotate when passing through drive box 9, then drive stirring rod 10 to rotate by impeller 19, to increase the water and air contact area, effectively strengthen the sewage treatment effect.

[0028] As Figure 4 shown, the inside of sleeve 7 is also connected with air inlet pipe 2 for air inlet, the outside of air inlet pipe 2 is installed with first check valve 13, and the air inlet end of air inlet pipe 2 extends to the outside of sewage pool 1.

[0029] Air inlet pipe 2 can suck the outside air into the inside of sleeve 7 under the work of piston 18, then spout by aeration pipe 8, to carry out the aeration work to sewage, and utilize first check valve 13 to prevent the gas from discharging from air inlet pipe 2.

[0030] As Figure 5 shown, the top of push rod 17 is provided with push plate 5, and the top of push plate 5 is provided with gear ring 11.

[0031] Utilize gear ring 11 to cooperate half gear 12 to work to drive gear ring 11, push plate 5, push rod 17 and piston 18 to do up-and-down reciprocating motion, to carry out the air suction and exhaust work to sleeve 7.

[0032] As Figure 5 shown, the bottom of sewage pool 1 is provided with multiple sets of limiting telescopic rods 6, and the telescopic end of each set of limiting telescopic rods 6 is connected with the bottom of push plate 5.

[0033] The limiting telescopic rod 6 can prevent the push plate 5 from deviating in position when doing up-down reciprocating motion.

[0034] As shown in Figure 1 and Figure 2 , the top of the sewage tank 1 is provided with a motor 4; the output shaft of the motor 4 is provided with a drive shaft 3 through a shaft coupling; one end of the drive shaft 3 is rotatably connected with the sewage tank 1 through a rotating seat; the outside of the drive shaft 3 is provided with a half gear 12 which is engaged with a gear ring 11.

[0035] The motor 4 drives the drive shaft 3 to rotate, and at the same time, the half gear 12 outside the drive shaft 3 also rotates the gear ring 11 to do reciprocating motion.

[0036] Working principle: when the sewage needs to be treated by aeration, several aeration assemblies can be installed according to the size of the sewage tank 1, then the motor 4 drives the drive shaft 3 to rotate, at the same time, the half gear 12 outside the drive shaft 3 also rotates, cooperates with the half gear 12 to drive the gear ring 11, the push plate 5, the push rod 17 and the piston 18 to do up-down reciprocating motion, when the push rod 17 moves upward, the outside air is sucked into the inside of the sleeve 7 through the air inlet pipe 2, when the push rod 17 moves downward, the air in the sleeve 7 is extruded into the inside of the drive box 9, then flows into the inside of the aeration pipe 8 from the drive box 9, finally is sprayed out through the aeration nozzle 16 outside the aeration pipe 8, so as to realize the aeration work of the sewage, at the same time, the airflow drives the impeller 19 to rotate when passing through the drive box 9, the impeller 19 drives the stirring rod 10 to rotate, so as to increase the contact area of water and air, effectively strengthens the treatment effect of the sewage, finally completes the aeration work of the sewage, when the size of the sewage tank 1 increases, the corresponding aeration assemblies can be increased, so as to reduce the use of the aerator, reduces the cost of sewage treatment, at the same time, also reduces the operation and maintenance cost.

[0037] The above embodiment only expresses one kind of aeration device for sewage treatment based on local aeration and stirring or several implementation manners of the aeration device, the description is relatively specific and detailed, but it cannot be understood as the limitation of the range of the aeration device. It should be pointed out that, for ordinary skilled persons in the art, without departing from the concept of the aeration device, a number of modifications and improvements can be made, which all belong to the protection range of the aeration device. Therefore, the protection range of the aeration device should be subject to the appended claims, in the aeration device, unless otherwise explicitly specified and limited, for example, it can be fixedly connected, or detachably connected, or integrated; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements, unless otherwise explicitly limited, for ordinary skilled persons in the art, the specific meaning of the above-mentioned terms in the aeration device can be understood according to the specific situation.

Claims

1. An aeration device for wastewater treatment based on localized aeration mixing, characterized in that, The system includes a sewage tank (1), which is equipped with multiple aeration components for treating sewage. Each aeration component includes a sleeve (7) located at the bottom of the sewage tank (1). A piston (18) is vertically movably installed inside the sleeve (7). A push rod (17) is installed on the top of the piston (18). Both sides of the sleeve (7) are connected to connecting pipes (14). A second one-way valve (15) is installed on the outside of the connecting pipes (14). One end of the connecting pipes (14) is connected to a drive box (9). One side of the drive box (9) is connected to an aeration pipe (8) for air discharge. Several aeration nozzles (16) are connected to the outside of the aeration pipe (8).

2. The aeration device for wastewater treatment based on localized aeration and stirring according to claim 1, characterized in that, An impeller (19) is rotatably mounted inside the drive box (9). A stirring rod (10) for stirring sewage is mounted at the bottom of the impeller (19). The bottom of the stirring rod (10) is rotatably connected to the bottom wall of the sewage tank (1).

3. The aeration device for wastewater treatment based on localized aeration mixing according to claim 1, characterized in that, The sleeve (7) is also connected to an air intake pipe (2) for air intake. A first one-way valve (13) is installed on the outside of the air intake pipe (2). The air intake end of the air intake pipe (2) extends to the outside of the sewage tank (1).

4. The aeration device for wastewater treatment based on localized aeration and stirring according to claim 1, characterized in that, The push rod (17) is provided with a push plate (5) at its top, and the push plate (5) is provided with a toothed ring (11) at its top.

5. An aeration device for wastewater treatment based on localized aeration mixing according to claim 4, characterized in that, The bottom of the sewage tank (1) is provided with multiple sets of limiting telescopic rods (6), and the telescopic end of each set of limiting telescopic rods (6) is connected to the bottom of the push plate (5).

6. The aeration device for wastewater treatment based on localized aeration mixing according to claim 4, characterized in that, A motor (4) is installed on the top of the sewage tank (1). The output shaft of the motor (4) is connected to a drive shaft (3) via a coupling. One end of the drive shaft (3) is rotatably connected to the sewage tank (1) via a rotating seat. A half gear (12) is provided on the outside of the drive shaft (3) and meshes with a gear ring (11).

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