Sludge stirring device

Abstract

The utility model discloses a sludge stirring device and relates to the field of sewage treatment. Comprising a submersible type stirring unit, the submersible type stirring unit comprises a waterproof motor and side plates, a first supporting shaft, a second supporting shaft and a third supporting shaft are arranged between the side plates at the tail of the waterproof motor, each supporting shaft is provided with a guide roller, an output shaft of the waterproof motor is fixedly connected with a propeller blade, and a flow guide cover is arranged outside the propeller blade; the submersible stirring unit is arranged on the supporting rod through the guide rollers on the first supporting shaft, the second supporting shaft and the third supporting shaft; the upper portion of the supporting rod supports the hanging bracket and the winch, a sling on the winch is connected with the hanging ring, and the submersible stirring unit can move up and down along the supporting rod through traction of the winch. The device can be arranged in a water treatment pond with a certain depth, meanwhile, the height can be conveniently adjusted, and sludge in the municipal and industrial sewage treatment process can be efficiently mixed.

Description

Technical Field

[0001] The utility model relates to the field of sewage treatment, in particular to a sludge stirring device. Background Art

[0002] Submersible mixers play a crucial role in the sewage treatment process. By generating power underwater, they drive water circulation to effectively mix and stir sewage and thin mud containing suspended solids. This process not only prevents sludge deposition but also provides favorable conditions for the growth of microorganisms by ensuring sufficient oxygen supply, thus enhancing the overall effect of water quality treatment. In addition, the design of submersible mixers focuses on practicality and energy efficiency. They have a compact structure, are easy to operate and maintain, have low noise during operation, and a high energy efficiency level, which helps to reduce the energy consumption of sewage treatment plants and improve the economic efficiency and environmental friendliness of sewage treatment.

[0003] In the prior art, for example, an invention application with the publication number CN117732321A discloses a submersible mixer, which is designed to mix and stir the sludge slurry in sewage treatment. However, when the above device is applied to the treatment of a water treatment pool with a certain depth, it is usually installed by sitting on the bottom through a bracket, and it cannot meet the effective stirring of sludge at different depths.

[0004] Therefore, in order to better achieve the effective stirring of sludge in a water treatment pool with a certain depth, a sludge stirring device that can conveniently adjust the stirring height is needed. Content of the Utility Model

[0005] To solve the problems existing in the prior art, the purpose of the utility model is to disclose a sludge stirring device, which can be set in a water treatment pool with a certain depth, and at the same time can be conveniently adjusted in height to meet the efficient mixing of sludge in the process of municipal and industrial sewage treatment.

[0006] To achieve the above effects, the present application discloses a sludge stirring device, including: a submersible stirring unit, the submersible stirring unit includes a waterproof motor and side plates symmetrically arranged on both sides of the waterproof motor. The rear end of the side plate gradually contracts backward and upward to form a rear end portion higher than the upper edge of the side plate. Between the side plates at the tail of the waterproof motor, a first support shaft and a second support shaft are provided. A third support shaft is provided on the rear end portion of the side plate. Guide rollers are provided on the first support shaft, the second support shaft and the third support shaft, and both sides of the guide roller are higher than the central position. The output shaft of the waterproof motor is fixedly connected to a propulsion blade, and a flow guide cover is arranged outside the propulsion blade. The flow guide cover is connected to the housing of the waterproof motor through a plurality of connecting rods. It further includes a support rod, and a mounting base plate for fixing is arranged at the bottom of the support rod. The submersible stirring unit is arranged on the support rod through the guide rollers on the first support shaft, the second support shaft and the third support shaft. A support hanger is further arranged on the upper part of the support rod. A winch is arranged on one side of the support hanger, and the sling on the winch is connected to a lifting ring arranged on the waterproof motor. The submersible stirring unit can move up and down along the support rod under the traction of the winch.

[0007] Further, the flow guide cover includes a gradually expanding section, a straight section and a gradually contracting section arranged from front to back.

[0008] Further, the length of the gradually expanding section is less than the length of the gradually contracting section.

[0009] Further, the first support shaft is arranged directly above the second support shaft, and the position where the third support shaft is arranged is higher than the position of the first support shaft.

[0010] Further, a waterproof wiring group is further arranged at the upper rear end of the waterproof motor, and the waterproof wiring group is connected to an external power supply through a power cord.

[0011] Further, the propulsion blade is a stainless steel blade, and the guide roller is a rubber roller or a nylon roller.

[0012] Further, the flow guide cover is a stainless steel flow guide cover.

[0013] Further, the support hanger and the support rod are connected and fixed through a slewing bearing.

[0014] Further, the sling is a stainless steel sling.

[0015] The beneficial effects of the present utility model include:

[0016] The sludge stirring device disclosed by the present novelty is applicable to the aeration tank and anaerobic tank of industrial and urban sewage treatment plants, and can play an important role in the stages of water circulation and nitrification in the tank, effectively stirring the sludge in the water treatment tank.

[0017] Meanwhile, the submersible stirring unit can generate a powerful thrust to quickly and efficiently complete the stirring task. By cooperating with the guide rollers arranged on the first support shaft to the third support shaft between the support rod and the side plate, the submersible stirring unit can easily adjust its depth under the action of the support hanger and the winch, meeting the stirring requirements for different depths and sludge concentrations.

[0018] In addition, the optimized structure of the fairing provides an efficient water flow path, significantly improving the effect of sludge stirring. Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is the overall structure diagram of the sludge stirring unit disclosed by the present utility model.

[0021] Figure 2 It is the structural schematic diagram of the submersible stirring unit of the present utility model on the support rod.

[0022] Figure 3 It is the structural schematic diagram of the submersible stirring unit of the present utility model from another perspective.

[0023] Figure 4 It is the sectional view of a part of the submersible stirring unit of the present utility model.

[0024] Wherein: 1. Waterproof motor, 2. Side plate, 3. Guide roller, 4. Propelling blade, 5. Fairing, 6. Support rod, 7. Support hanger, 11. Output shaft, 12. Waterproof wiring group, 13. Power cord, 14. Suspension ring, 21. Rear end part, 22. First support shaft, 23. Second support shaft, 24. Third support shaft, 51. Connecting rod, 52. Diverging section, 53. Straight section, 54. Converging section, 61. Installation base plate, 71. Winch, 72. Suspension cable. Detailed Embodiment

[0025] The following will further elaborate on the specific implementation manners of the present utility model in the form of combining with the attached drawings. However, the following embodiments only list the relatively preferred embodiments, which only serve to explain and help understand the present utility model, and should not be construed as a limitation to the present utility model.

[0026] Reference Figures 1-4 , a sludge stirring device, comprising: a submersible stirring unit, the submersible stirring unit includes a waterproof motor 1 and side plates 2 symmetrically arranged on both sides of the waterproof motor. The rear end of the side plate gradually contracts backward and upward to form a rear end portion 21 higher than the upper edge of the side plate. Between the side plates at the tail of the waterproof motor, a first support shaft 22 and a second support shaft 23 are provided. On the rear end portion 21 of the side plate, a third support shaft 24 is provided. Guide rollers 3 are arranged on the first support shaft, the second support shaft and the third support shaft, and both sides of the guide rollers are higher than the central position; the output shaft 11 of the waterproof motor 1 is fixedly connected to a propulsion paddle 4, and a flow guide cover 5 is arranged outside the propulsion paddle. The flow guide cover is connected to the housing of the waterproof motor through a plurality of connecting rods 51; it further includes a support rod 6, the bottom of the support rod is provided with a mounting base plate 61 for fixing, and the submersible stirring unit is arranged on the support rod through the guide rollers on the first support shaft, the second support shaft and the third support shaft; a support hanger 7 is further arranged on the upper part of the support rod, a winch 71 is arranged on one side of the support hanger, and a sling 72 on the winch is connected to a lifting ring 14 arranged on the waterproof motor. The submersible stirring unit can move up and down along the support rod under the traction of the winch.

[0027] During use, fix the support rod 6: The support rod 6 of the device is fixed to the bottom or the pool wall of the sludge pool through the mounting base plate 61 at the bottom. Ensure that the support rod stands in a vertical state and is firm and immovable. Install the submersible stirring unit: Install the submersible stirring unit including the waterproof motor 1, the side plate 2, the propulsion paddle 4, etc. onto the support rod 6 through the guide rollers 3, so that the stirring unit can move up and down along the support rod. Power connection: The waterproof motor 1 is connected to an external power supply through a waterproof wiring group 12 and a power cord 13 to ensure that the motor is powered on and works normally. Start the propulsion paddle: Once powered on, the waterproof motor 1 starts to drive its output shaft 11 to rotate, driving the propulsion paddle 4 fixed on its output shaft to rotate at a high speed. The rotation of the propulsion paddle 4 generates a strong water flow, causing the sludge to be strongly stirred and evenly mixed in the stirring area.

[0028] This sludge stirring device drives the propulsion paddle of the stirring unit to rotate through a waterproof motor, and cooperates with an optimized design of the flow guide cover to achieve efficient sludge stirring. At the same time, through the support rod and winch system, stable support and flexible height adjustment of the stirring unit are realized, ensuring that the device can perform stirring operations at different depth positions. The material selection and waterproof design increase the durability and reliability of the equipment

[0029] Preferably, the fairing 5 includes a gradually expanding section 52, a straight section 53, and a gradually contracting section 54 arranged in the front-to-back direction. The fairing 5 provided outside the propulsion blade 4 is connected to the waterproof motor housing through a plurality of connecting rods 51. The interior of the fairing is divided into three sections - the gradually expanding section 52, the straight section 53, and the gradually contracting section 54, which makes the water flow path smoother, reduces eddy currents, and improves the stirring efficiency and uniformity.

[0030] Generally, the length of the gradually expanding section 52 is less than the length of the gradually contracting section 54. The first support shaft is arranged directly above the second support shaft, and the position where the third support shaft is arranged is higher than the position of the first support shaft.

[0031] Preferably, a waterproof wiring group 12 is further provided at the upper rear end of the waterproof motor 1, and the waterproof wiring group is connected to an external power supply through a power cord 13.

[0032] Preferably, the propulsion blade is a stainless steel blade, and the guide roller is a rubber roller or a nylon roller. The fairing is a stainless steel fairing. The support hanger 7 and the support rod 6 are connected and fixed through a slewing bearing. The sling 72 is a stainless steel sling. Using a waterproof motor, adding a fairing, and making key components with materials such as stainless steel and rubber enhance the corrosion resistance and service life of the device in harsh environments.

[0033] The above-described embodiments are merely descriptions of the preferred embodiments of the present invention and do not limit the scope of the present invention. Without departing from the spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A sludge stirring device, characterized in that , comprising: a submersible stirring unit, the submersible stirring unit comprising a waterproof motor (1) and side panels (2) symmetrically arranged on both sides of the waterproof motor, the rear end of the side panel gradually shrinks backward and upward to form a rear end portion (21) higher than the upper edge of the side panel, a first support shaft (22) and a second support shaft (23) are arranged between the side panels at the tail of the waterproof motor, a third support shaft (24) is arranged on the rear end portion (21) of the side panel, guide rollers (3) are arranged on the first support shaft, the second support shaft and the third support shaft, and the two sides of the guide rollers are higher than the center position; the output shaft (11) of the waterproof motor (1) is fixedly connected to the propulsion blade (4), and the propulsion blade (4) is fixedly connected to the propulsion blade (4) A deflector (5) is arranged outside the inlet blade, and the deflector is connected to the housing of the waterproof motor through a plurality of connecting rods (51); it also includes a support rod (6), and a mounting base plate (61) for fixing is arranged at the bottom of the support rod, and the submersible mixing unit is arranged on the support rod through guide rollers on the first support shaft, the second support shaft and the third support shaft; a support hanger (7) is also arranged on the upper part of the support rod, and a winch (71) is arranged on one side of the support hanger, and a sling (72) on the winch is connected to a sling ring (14) arranged on the waterproof motor, and the submersible mixing unit can move up and down along the support rod by being pulled by the winch.

2. A sludge stirring device according to claim 1, characterized in that: The deflector (5) comprises a gradually expanding section (52), a straight section (53) and a gradually contracting section (54) arranged from front to rear.

3. A sludge stirring device according to claim 2, characterized in that: The length of the gradually expanding section (52) is shorter than the length of the gradually contracting section (54).

4. A sludge stirring device according to claim 1, characterized in that: The first support shaft is arranged directly above the second support shaft, and the third support shaft is arranged at a position higher than that of the first support shaft.

5. A sludge stirring device according to claim 1, characterized in that: A waterproof wiring assembly (12) is also provided at the upper rear end of the waterproof motor (1), and the waterproof wiring assembly is connected to an external power source via a power line (13).

6. A sludge stirring device according to claim 1, characterized in that: The propulsion blade is a stainless steel blade, and the guide roller is a rubber roller or a nylon roller.

7. A sludge stirring device according to claim 1, characterized in that: The air guide cover is a stainless steel air guide cover.

8. A sludge stirring device according to claim 1, characterized in that: The support hanger (7) and the support rod (6) are connected and fixed via a slewing bearing.

9. A sludge stirring device according to claim 1, characterized in that: The sling (72) is a stainless steel sling.

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