Air floatation equipment for sewage treatment

Abstract

The utility model relates to the technical field of sewage treatment, in particular to air floatation equipment for sewage treatment, which comprises a sewage pool, supporting legs are mounted at the bottom of the sewage pool; a connecting base is fixed to the outer wall of the left side of the sewage pool, a motor is installed at the top of the connecting base, a first gear is fixed to the output end of the motor, and the first gear is meshed with two second gears; two second gears are arranged in the sewage tank, connecting rods are fixed to one ends of the two second gears, one ends of the connecting rods penetrate through the outer wall of the left side of the sewage tank and are rotationally connected with the inner wall of the right side of the sewage tank, and stirring pieces are fixed to the outer walls of the connecting rods. The stirring and mixing efficiency of the sewage and the coagulant in the sewage pool is greatly improved, and the sewage treatment efficiency is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, and particularly relates to an air flotation device for sewage treatment. Background Technique

[0002] An air flotation device for sewage treatment adds a coagulant into the sewage to be treated, mixes the coagulant with the sewage in the sewage tank, generates a large number of fine bubbles in the sewage, adsorbs the impurities in the sewage, and then floats to the water surface, thereby realizing a water treatment device for solid-liquid separation. The air flotation device is currently applied in water supply, industrial wastewater and urban sewage treatment.

[0003] After retrieval, the Chinese Patent Network discloses an air bubble generating device for an air flotation device for sewage treatment, with the publication number CN218810545U. Although this comparative document includes a sewage tank, a stirring device is installed in the sewage tank. The stirring device includes a first motor, the output end of the first motor is rotatably installed with a stirring shaft, the surface of the stirring shaft is fixedly installed with evenly distributed fixing rings, and the surface of the fixing rings is fixedly installed with evenly distributed stirring blades. The added coagulant is fully mixed with the sewage through the stirring device to generate a large number of fine bubbles for adsorbing the impurities in the sewage. However, the stirring and mixing efficiency of the coagulant and the sewage in this comparative document is relatively low, seriously affecting the sewage treatment efficiency.

[0004] Therefore, an air flotation device for sewage treatment is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide an air flotation device for sewage treatment.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] An air flotation device for sewage treatment includes:

[0008] A sewage tank;

[0009] The bottom of the sewage tank is installed with supporting feet;

[0010] A connecting seat is fixed on the left outer wall of the sewage tank, a motor is installed on the top of the connecting seat, a first gear is fixed at the output end of the motor, and the first gear meshes with two second gears. By driving the two second gears to work with the first gear, under the drive of the two second gears, two connecting rods and a stirring member will stir and mix the sewage and the coagulant in the sewage tank;

[0011] One end of each of the two second gears is fixedly provided with a connecting rod. One end of the connecting rod penetrates through the left outer wall of the sewage tank and is rotatably connected to the right inner wall of the sewage tank. The outer wall of the connecting rod is fixedly provided with a stirring member. By using two connecting rods in cooperation with the stirring member to stir and mix the sewage and the coagulant in the sewage tank, the stirring and mixing efficiency of the sewage and the coagulant in the sewage tank is greatly improved, and the sewage treatment efficiency is also improved.

[0012] Preferably, the diameter of the first gear is larger than that of the second gear. Since the diameter of the first gear is larger than that of the second gear, at the same motor output efficiency, the rotational speed of the second gear is greater than that of the first gear. Therefore, the rotational speeds of the connecting rod and the stirring member are faster, further improving the stirring and mixing efficiency of the sewage and the coagulant in the sewage tank, and also improving the sewage treatment efficiency.

[0013] Preferably, a protective cover is installed on the left outer wall of the sewage tank.

[0014] Preferably, the motor, the first gear, and the second gear are all located inside the protective cover. Under the action of the protective cover, the motor, the first gear, and the second gear can be protected, enabling the present utility model to be used in different weather environments, improving the overall applicability, and also improving the overall working efficiency and service life.

[0015] Preferably, a connecting ear is fixedly provided on the outer wall of the protective cover, an L-shaped strip is fixedly provided on the left outer wall of the sewage tank, a threaded hole is provided on the L-shaped strip, a threaded rod is threadedly connected in the threaded hole, a rotating shaft is fixedly provided at one end of the threaded rod, and a fixing plate is fixedly provided at the other end of the threaded rod.

[0016] Preferably, one end of the fixing plate abuts against the connecting ear. The protective cover is placed on the left outer wall of the sewage tank, and then the rotating shaft is rotated. The rotating shaft drives the threaded rod to move in the threaded hole. After one end of the threaded rod abuts against the connecting ear, the protective cover can be fixed.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] In the present utility model, by starting the motor, the motor drives two second gears to work through the first gear. Driven by the two second gears, two connecting rods cooperate with the stirring member to stir and mix the sewage and the coagulant in the sewage tank. Compared with the existing ones, in the present utility model, by using two connecting rods in cooperation with the stirring member to stir and mix the sewage and the coagulant in the sewage tank, the stirring and mixing efficiency of the sewage and the coagulant in the sewage tank is greatly improved, and the sewage treatment efficiency is also improved;

[0019] Since the diameter of the first gear is larger than that of the second gear, at the same motor output efficiency, the rotational speed of the second gear is greater than that of the first gear. Therefore, the rotational speeds of the connecting rod and the stirring member are faster, further improving the stirring and mixing efficiency of the sewage and coagulant in the sewage tank and also improving the sewage treatment efficiency.

[0020] Moreover, both connecting rods are driven by one motor, greatly reducing the power loss of the motor and thus reducing the overall usage cost.

[0021] In this utility model, the protective cover is placed on the left outer wall of the sewage tank. Then, by rotating the rotating shaft, the rotating shaft drives the threaded rod to move in the threaded hole. After one end of the threaded rod abuts against the connecting ear, the protective cover can be fixed. Also, the motor, the first gear, and the second gear are all located inside the protective cover. Therefore, under the action of the protective cover, the motor, the first gear, and the second gear can be protected, enabling this utility model to be used in different weather conditions, improving the overall applicability, as well as the overall working efficiency and service life.

[0022] By rotating the rotating shaft in the opposite direction compared to the previous step, the rotating shaft drives the threaded rod to move in the threaded hole. After one end of the threaded rod does not abut against the connecting ear, the protective cover can be disassembled. Therefore, this utility model is convenient for maintaining the motor, the first gear, and the second gear, and is relatively easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is the overall structural schematic diagram of this utility model;

[0024] Figure 2 is of this utility model Figure 1 the enlarged view of A in;

[0025] Figure 3 is the partial structural schematic diagram of this utility model;

[0026] Figure 4 is the structural schematic diagram of the first gear and the second gear of this utility model;

[0027] Figure 5 is the structural schematic diagram of the aeration disc at the bottom of the sewage tank in a certain embodiment of this utility model.

[0028] In the figure: 1, sewage tank; 2, support feet; 3, connecting seat; 4, motor; 5, first gear; 6, second gear; 7, connecting rod; 8, stirring member; 9, protective cover; 10, connecting ear; 11, L-shaped strip; 12, threaded hole; 13, threaded rod; 14, rotating shaft; 15, fixing plate; 16 - aeration disc. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0030] To better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the specification drawings and specific implementation manners.

[0031] Embodiment 1:

[0032] Please refer to Figure 1 、 3 Figures 4 and 5. The present utility model provides a technical solution: To achieve the above object, the present utility model provides the following technical solution: An air flotation device for sewage treatment, comprising: a sewage tank 1; support feet 2 are installed at the bottom of the sewage tank 1; a connecting seat 3 is fixed on the left outer wall of the sewage tank 1, a motor 4 is installed on the top of the connecting seat 3, a first gear 5 is fixed to the output end of the motor 4, and the first gear 5 meshes with two second gears 6; one end of each of the two second gears 6 is fixed with a connecting rod 7, one end of the connecting rod 7 penetrates through the left outer wall of the sewage tank 1 and is rotatably connected to the right inner wall of the sewage tank 1, and a stirring member 8 is fixed on the outer wall of the connecting rod 7. The motor 4 drives the two second gears 6 to work through the first gear 5. Driven by the two second gears 6, the two connecting rods 7 cooperate with the stirring member 8 to stir and mix the sewage and coagulant in the sewage tank 1. The diameter of the first gear 5 is larger than the diameter of the second gear 6. Since the diameter of the first gear is larger than the diameter of the second gear, at the same motor output efficiency, the rotation speed of the second gear is greater than the rotation speed of the first gear. Therefore, the rotation speeds of the connecting rod and the stirring member are faster, further improving the stirring and mixing efficiency of the sewage and coagulant in the sewage tank, and also improving the sewage treatment efficiency. Among them, a plurality of aeration discs 16 are arranged at the bottom of the sewage tank 1, and a Roots blower is connected to the plurality of aeration discs 16 through a pipeline to realize the aeration work. (The aeration discs 16 and the Roots blower are conventional technical means in the art and will not be elaborated in this application.)

[0033] Specifically, the present utility model starts the motor 4, and the motor 4 drives the two second gears 6 to work through the first gear 5. Driven by the two second gears 6, the two connecting rods 7 cooperate with the stirring member 8 to stir and mix the sewage and coagulant in the sewage tank 1. Compared with the existing ones, the present utility model uses the two connecting rods 7 to cooperate with the stirring member 8 to stir and mix the sewage and coagulant in the sewage tank 1, greatly improving the stirring and mixing efficiency of the sewage and coagulant in the sewage tank 1, and also improving the sewage treatment efficiency;

[0034] Since the diameter of the first gear 5 is larger than that of the second gear 6, at the same output efficiency of the motor 4, the rotational speed of the second gear 6 is greater than that of the first gear 5. Therefore, the rotational speeds of the connecting rod 7 and the stirring member 8 are faster, further improving the stirring and mixing efficiency of the sewage and the coagulant in the sewage tank 1, and also improving the sewage treatment efficiency.

[0035] Moreover, both connecting rods 7 are driven by one motor 4, greatly reducing the power loss of the motor 4, and thus reducing the overall usage cost.

[0036] Embodiment 2:

[0037] Please refer to Figure 1 and 2 , the present utility model provides a technical solution: an air flotation device for sewage treatment. A protective cover 9 is installed on the left outer wall of the sewage tank 1. The motor 4, the first gear 5, and the second gear 6 are all located inside the protective cover 9. A connecting ear 10 is fixed on the outer wall of the protective cover 9. An L-shaped strip 11 is fixed on the left outer wall of the sewage tank 1. A threaded hole 12 is provided on the L-shaped strip 11. A threaded rod 13 is threadedly connected in the threaded hole 12. One end of the threaded rod 13 is fixed with a rotating shaft 14. By rotating the rotating shaft 14, the rotating shaft 14 drives the threaded rod 13 to move in the threaded hole 12. After one end of the threaded rod 13, i.e., the fixing plate 15, abuts against the connecting ear 10, the protective cover 9 can be fixed. The other end of the threaded rod 13 is fixed with a fixing plate 15, and one end of the fixing plate 15 abuts against the connecting ear 10. Under the action of the protective cover 9, the motor 4, the first gear 5, and the second gear 6 can be protected, enabling the present utility model to be used in different weather environments, improving the overall applicability, as well as the overall working efficiency and service life.

[0038] Specifically, the present utility model places the protective cover 9 on the left outer wall of the sewage tank 1, and then rotates the rotating shaft 14. The rotating shaft 14 drives the threaded rod 13 to move in the threaded hole 12. After one end of the threaded rod 13, i.e., the fixing plate 15, abuts against the connecting ear 10, the protective cover 9 can be fixed. Moreover, since the motor 4, the first gear 5, and the second gear 6 are all located inside the protective cover 9, under the action of the protective cover 9, the motor 4, the first gear 5, and the second gear 6 can be protected, enabling the present utility model to be used in different weather environments, improving the overall applicability, as well as the overall working efficiency and service life.

[0039] When rotating the rotating shaft 14 in the reverse direction compared with the previous step, the rotating shaft 14 drives the threaded rod 13 to move in the threaded hole 12. After one end of the threaded rod 13, i.e., the fixing plate 15, is not in contact with the connecting ear 10, the protective cover 9 can be disassembled. Therefore, the present utility model is convenient for maintaining the motor 4, the first gear 5, and the second gear 6, and is relatively convenient to use.

[0040] Working principle:

[0041] First, start the motor 4. The motor 4 drives two second gears 6 through the first gear 5 to work. Driven by the two second gears 6, two connecting rods 7 cooperate with the stirring member 8 to stir and mix the sewage and coagulant in the sewage tank 1. Compared with the existing ones, the utility model stirs and mixes the sewage and coagulant in the sewage tank 1 by using two connecting rods 7 cooperating with the stirring member 8, which greatly improves the stirring and mixing efficiency of the sewage and coagulant in the sewage tank 1 and also improves the sewage treatment efficiency;

[0042] Since the diameter of the first gear 5 is larger than that of the second gear 6, at the same output efficiency of the motor 4, the rotation speed of the second gear 6 is greater than that of the first gear 5. Therefore, the rotation speeds of the connecting rod 7 and the stirring member 8 are faster, further improving the stirring and mixing efficiency of the sewage and coagulant in the sewage tank 1 and also improving the sewage treatment efficiency;

[0043] Moreover, the two connecting rods 7 are both driven by one motor 4, which greatly reduces the power loss of the motor 4 and thus reduces the overall use cost.

[0044] Secondly, place the protective cover 9 on the left outer wall of the sewage tank 1. Then, rotate the rotating shaft 14. The rotating shaft 14 drives the threaded rod 13 to move in the threaded hole 12. After one end of the threaded rod 13, i.e., the fixed plate 15, abuts against the connecting ear 10, the protective cover 9 can be fixed. And the motor 4, the first gear 5, and the second gear 6 are all located inside the protective cover 9. Therefore, under the action of the protective cover 9, the motor 4, the first gear 5, and the second gear 6 can be protected, enabling the utility model to be used in different weather environments, improving the overall applicability, as well as the overall working efficiency and service life;

[0045] When rotating the rotating shaft 14 in the reverse direction compared with the previous step, the rotating shaft 14 drives the threaded rod 13 to move in the threaded hole 12. After one end of the threaded rod 13, i.e., the fixed plate 15, does not abut against the connecting ear 10, the protective cover 9 can be disassembled. Therefore, the utility model is convenient for maintaining the motor 4, the first gear 5, and the second gear 6 and is relatively easy to use.

[0046] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as limiting the protection scope of the present utility model.

[0047] The foregoing has shown and described the basic principles, principal features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed for the present utility model is defined by the appended claims and their equivalents.

Claims

1. An air flotation device for sewage treatment, characterized in that, Including: Sewage tank (1); Support feet (2) are installed at the bottom of the sewage tank (1); A connecting seat (3) is fixed to the left outer wall of the sewage tank (1). A motor (4) is installed on the top of the connecting seat (3). A first gear (5) is fixed to the output end of the motor (4). The first gear (5) meshes with two second gears (6); One end of each of the two second gears (6) is fixed with a connecting rod (7). One end of the connecting rod (7) penetrates through the left outer wall of the sewage tank (1) and is rotatably connected to the right inner wall of the sewage tank (1). A stirring member (8) is fixed to the outer wall of the connecting rod (7).

2. The air flotation equipment for sewage treatment according to claim 1, characterized in that, The diameter of the first gear (5) is larger than the diameter of the second gear (6).

3. The air flotation equipment for sewage treatment according to claim 1, characterized in that, A protective cover (9) is installed on the left outer wall of the sewage tank (1).

4. The air flotation equipment for sewage treatment according to claim 1, characterized in that, The motor (4), the first gear (5), and the second gear (6) are all located inside the protective cover (9).

5. A flotation device for sewage treatment according to claim 4, characterized in that, A connecting ear (10) is fixed to the outer wall of the protective cover (9). An L-shaped strip (11) is fixed to the left outer wall of the sewage tank (1). A threaded hole (12) is formed in the L-shaped strip (11). A threaded rod (13) is threadedly connected to the threaded hole (12). One end of the threaded rod (13) is fixed with a rotating shaft (14). The other end of the threaded rod (13) is fixed with a fixing plate (15).

6. The air flotation equipment for sewage treatment according to claim 5, characterized in that, One end of the fixing plate (15) abuts against the connecting ear (10).

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