Energy-saving submersible mixer

Abstract

The present invention discloses an energy-saving submersible mixer, the structure of which includes a casing, the casing includes a sealed bottom cover, an SKF bearing and a mounting threaded hole, the sealed bottom cover is embedded in the right end of the casing and is sealed and connected to the inner wall of the right end of the casing, the mounting threaded holes are symmetrically arranged on the left and right sides of the inside of the casing, the outer ring of the SKF bearing is fixedly connected to the inner wall of the casing by screws, and is symmetrically arranged on the left and right sides of the inside of the casing, and an electric rotor is arranged at the inner ring of the SKF bearing. Compared with the traditional submersible mixer, the mixer of this model series is equipped with a reducer inside, and the product has made adjustments in terms of current, speed, impeller diameter, power, etc. After three improvements, it can save about 35%-60% of energy consumption, and has the advantages of saving points, easy installation, and cost saving.

Description

Technical Field

[0001] The invention relates to the technical field of mixers, in particular to an energy-saving submersible mixer. Background Art

[0002] In the field of sewage treatment, the national government has made great efforts in investment and management of sewage treatment. The demand for ordinary sewage treatment mixers in various sewage treatment plants is increasing, but the consumption of electricity is also considerable. Equipment manufacturers in the sewage treatment industry must consider the low-cost operation of equipment users while ensuring that the equipment meets the treatment standards for sewage treatment. Therefore, R&D personnel have carried out transformation and design on the energy-saving needs, appearance design, and service life of sewage mixing, and thus developed this energy-saving sewage mixer.

[0003] At present, the existing sewage mixers still have some shortcomings. For example, the existing sewage mixers in various sewage treatment plants have large usage, high energy consumption, and short life. If they are damaged, they will have a great impact on the work of the equipment users, the processing volume will not meet the standards, and the water quality will not meet the emission standards. The equipment units have to invest huge costs in equipment maintenance and repair. Summary of the invention

[0004] The purpose of the present invention is to provide an energy-saving submersible mixer, which solves the problems raised in the background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: an energy-saving submersible mixer, comprising a casing, the casing comprising a sealed bottom cover, an SKF bearing and a mounting threaded hole, the sealed bottom cover is embedded in the right end of the casing and is sealed and connected to the inner wall of the right end of the casing, the mounting threaded holes are symmetrically arranged on the left and right sides of the inside of the casing, the outer ring of the SKF bearing is fixedly connected to the inner wall of the casing by screws and is symmetrically arranged on the left and right sides of the inside of the casing, and an electric rotor is arranged at the inner ring of the SKF bearing;

[0006] The sealed bottom cover is provided with a mounting groove, a sealed junction box and a fishtail mounting frame, the mounting grooves are evenly distributed at the edge of the sealed bottom cover and penetrate the interior of the sealed bottom cover, the sealed junction box is welded to the upper end of the sealed bottom cover and communicates with the interior of the sealed bottom cover, the fishtail mounting frame is welded to the right end of the sealed bottom cover, the fishtail mounting frame is provided with a bolt fixing hole, and a first sealing bolt is provided inside the mounting groove;

[0007] A reducer is arranged at the left end of the casing, and a connecting shaft, a sealing ring and a groove are arranged on the reducer. The connecting shaft is transmission-connected to the inside of the reducer, the right surface of the sealing ring is bonded to the left end of the reducer, the groove surrounds the outer surface of the reducer, the connecting shaft is connected to the impeller through a through hole, and a second sealing bolt is arranged inside the groove.

[0008] As a preferred embodiment of the present invention, the through hole passes through the center of the impeller, and the left end of the connecting shaft is fixedly connected to the inside of the through hole through a nut.

[0009] As a preferred embodiment of the present invention, the second sealing bolt passes through the interior of the groove and is sealed and connected to the interior of the mounting threaded hole at the left end of the casing through threads.

[0010] As a preferred embodiment of the present invention, the impeller adopts a fully stamped welded structure impeller, and the right end of the impeller is attached to the left surface of the sealing ring and is movably connected to the left surface of the sealing ring.

[0011] As a preferred embodiment of the present invention, the outer diameter of the right end of the reducer matches the inner diameter of the left end of the casing, and is sealed to the left end of the casing. The reducer adopts a four-stage motor with an integrated reducer.

[0012] As a preferred embodiment of the present invention, the left end of the electric rotor passes through the inner ring of the SKF bearing and is transmission-connected to the output end of the reducer, and the right end of the electric rotor is fixedly connected to the inner ring of the SKF bearing.

[0013] As a preferred embodiment of the present invention, the first sealing bolt passes through the interior of the mounting through groove and is sealed and connected to the interior of the mounting threaded hole at the right end of the casing through threads.

[0014] As a preferred embodiment of the present invention, two fishtail type mounting frames are provided, and are symmetrically arranged on the left and right sides of the sealed bottom cover.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. Compared with the traditional submersible mixer, the mixer of this model series is equipped with a reducer. The product has made adjustments in terms of current, speed, impeller diameter, power, etc. After three improvements, it can save about 35%-60% of energy consumption, and has the advantages of saving points, easy installation, and cost saving.

[0017] 2. Compared with the traditional submersible mixer, the present invention has the advantages of exquisite appearance, easy installation, low energy consumption, long life and low maintenance rate. In addition, the reducer is installed inside the submersible mixer so that the reducer can be used in an underwater environment, avoiding the phenomenon that the reducer is damaged after being submerged in water. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0019] Figure 1 A cross-sectional view of an energy-saving submersible mixer according to the present invention;

[0020] Figure 2 It is a front view of an energy-saving submersible mixer of the present invention;

[0021] Figure 3 It is a rear view of an energy-saving submersible mixer of the present invention;

[0022] Figure 4 A top view of an energy-saving submersible mixer according to the present invention;

[0023] Figure 5 The present invention is a schematic structural diagram of an energy-saving submersible mixer.

[0024] In the figure: 1. Casing; 2. Sealed bottom cover; 3. SKF bearing; 4. Mounting threaded hole; 5. Electric rotor; 6. Mounting through slot; 7. Sealed terminal box; 8. Fishtail mounting bracket; 9. Bolt fixing hole; 10. First sealing bolt; 11. Reducer; 12. Connecting shaft; 13. Sealing ring; 14. Groove; 15. Through hole; 16. Impeller; 17. Second sealing bolt. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention 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 therefore cannot be understood as a limitation on the present invention.

[0027] See also Figure 1-Figure 5 The present invention provides a technical solution: an energy-saving submersible mixer.

[0028] The present invention comprises a housing 1, which comprises a sealing bottom cover 2, an SKF bearing 3 and a mounting threaded hole 4. The sealing bottom cover 2 is embedded in the right end of the housing 1 and is sealed and connected to the inner wall of the right end of the housing 1. The mounting threaded holes 4 are symmetrically arranged on the left and right sides of the housing 1. The outer ring of the SKF bearing 3 is fixedly connected to the inner wall of the housing 1 by screws and is symmetrically arranged on the left and right sides of the housing 1. The inner ring of the SKF bearing 3 is provided with an electric rotor 5.

[0029] The sealed bottom cover 2 is provided with a mounting groove 6, a sealed junction box 7 and a fishtail mounting bracket 8. The mounting groove 6 is evenly distributed at the edge of the sealed bottom cover 2 and penetrates the inside of the sealed bottom cover 2. The sealed junction box 7 is welded to the upper end of the sealed bottom cover 2 and communicates with the inside of the sealed bottom cover 2. The fishtail mounting bracket 8 is welded to the right end of the sealed bottom cover 2. The fishtail mounting bracket 8 is provided with a bolt fixing hole 9. The inside of the mounting groove 6 is provided with a first sealing bolt 10.

[0030] A reducer 11 is provided at the left end of the casing 1, and a connecting shaft 12, a sealing ring 13 and a groove 14 are provided on the reducer 11. The connecting shaft 12 is transmission-connected to the inside of the reducer 11, the right surface of the sealing ring 13 is bonded to the left end of the reducer 11, the groove 14 surrounds the outer surface of the reducer 11, the connecting shaft 12 is connected to the impeller 16 through the through hole 15, and a second sealing bolt 17 is provided inside the groove 14.

[0031] In the present invention, when the mixer is used, the fishtail mounting frame 8 on the mixer is first installed in an appropriate position through the bolt fixing hole 9, and then the power-carrying wire is sealed and connected to the sealed junction box 7, and then the mixer is powered on and operated. At this time, the electric rotor 5 inside the mixer rotates through the SKF bearing 3, and at the same time, the left end of the electric rotor 5 drives the output end of the reducer 11 to rotate, and then the reducer 11 drives the impeller 16 to rotate through the connecting shaft 12, so that the impeller 16 stirs the sewage, and the whole is in a sealed state during the operation of the mixer.

[0032] In an optional embodiment, the through hole 15 passes through the center of the impeller 16 , and the left end of the connecting shaft 12 is fixedly connected to the inside of the through hole 15 via a nut.

[0033] It should be noted that the firmness between the impeller 16 and the connecting shaft 12 is improved, thereby preventing the impeller 16 from loosening during use.

[0034] In an optional embodiment, the second sealing bolt 17 passes through the interior of the groove 14 and is sealed and connected to the interior of the mounting threaded hole 4 at the left end of the housing 1 through threads.

[0035] It should be noted that the reducer 11 is conveniently fixedly installed with the housing 1 through the second sealing bolts 17 , thereby improving the sealing effect between the reducer 11 and the housing 1 .

[0036] In an optional embodiment, the impeller 16 is a fully stamped welded structure impeller 16 , and the right end of the impeller 16 is attached to the left surface of the sealing ring 13 and is movably connected to the left surface of the sealing ring 13 .

[0037] It should be noted that the impeller 16 has a self-cleaning function, which improves the efficiency of the impeller 16 during stirring.

[0038] In an optional embodiment, the outer diameter of the right end of the reducer 11 matches the inner diameter of the left end of the casing 1 and is sealed to the left end of the casing 1. The reducer 11 is a four-stage motor with an integrated reducer 11.

[0039] It should be noted that the stability of the reducer 11 during use is improved, and the life of the reducer 11 is extended.

[0040] In an optional embodiment, the left end of the electric rotor 5 passes through the inner ring of the SKF bearing 3 and is transmission-connected to the output end of the reducer 11 , and the right end of the electric rotor 5 is fixedly connected to the inner ring of the SKF bearing 3 .

[0041] It should be noted that the stability of the electric rotor 5 during use is enhanced, and the service life of the SKF bearing 3 is increased.

[0042] In an optional embodiment, the first sealing bolt 10 passes through the interior of the mounting through slot 6 and is sealedly connected to the interior of the mounting threaded hole 4 at the right end of the housing 1 through threads.

[0043] It should be noted that it is convenient for the sealed bottom cover 2 to be sealed and fixed to the right end of the casing 1 through the first sealing bolt 10 .

[0044] In an optional embodiment, two fishtail type mounting brackets 8 are provided, and are symmetrically arranged on the left and right sides of the sealed bottom cover 2 .

[0045] It should be noted that the stability of the mixer during installation and fixation is improved to prevent the mixer from shaking during use.

[0046] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0047] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An energy-saving submersible mixer, comprising a housing (1), characterized in that: The housing (1) comprises a sealing bottom cover (2), an SKF bearing (3) and a mounting threaded hole (4); the sealing bottom cover (2) is embedded in the right end of the housing (1) and is sealed to the inner wall of the right end of the housing (1); the mounting threaded hole (4) is symmetrically arranged on the left and right sides of the interior of the housing (1); the outer ring of the SKF bearing (3) is fixedly connected to the inner wall of the housing (1) by screws and is symmetrically arranged on the left and right sides of the interior of the housing (1); and the inner ring of the SKF bearing (3) is provided with an electric rotor (5); The sealed bottom cover (2) is provided with a mounting groove (6), a sealed junction box (7) and a fishtail mounting frame (8); the mounting groove (6) is evenly distributed at the edge of the sealed bottom cover (2) and penetrates the interior of the sealed bottom cover (2); the sealed junction box (7) is welded to the upper end of the sealed bottom cover (2) and communicates with the interior of the sealed bottom cover (2); the fishtail mounting frame (8) is welded to the right end of the sealed bottom cover (2); a bolt fixing hole (9) is provided on the fishtail mounting frame (8); and a first sealing bolt (10) is provided inside the mounting groove (6); A reducer (11) is disposed at the left end of the housing (1), and a connecting shaft (12), a sealing ring (13) and a groove (14) are disposed on the reducer (11); the connecting shaft (12) is drivingly connected to the inside of the reducer (11); the right surface of the sealing ring (13) is bonded to the left end of the reducer (11); the groove (14) surrounds the outer surface of the reducer (11); the connecting shaft (12) is connected to the impeller (16) via a through hole (15); and a second sealing bolt (17) is disposed inside the groove (14); The impeller (16) is a fully stamped welded structure impeller, the right end of the impeller (16) is attached to the left surface of the sealing ring (13), and is movably connected to the left surface of the sealing ring (13); The outer diameter of the right end of the reducer (11) matches the inner diameter of the left end of the housing (1), and is sealed and connected to the left end of the housing (1). The reducer (11) is a four-stage motor with an integrated reducer; The left end of the electric rotor (5) passes through the inner ring of the SKF bearing (3) and is transmission-connected to the output end of the reducer (11); the right end of the electric rotor (5) is fixedly connected to the inner ring of the SKF bearing (3).

2. The energy-saving submersible mixer according to claim 1, characterized in that: The through hole (15) passes through the center of the impeller (16), and the left end of the connecting shaft (12) is fixedly connected to the inside of the through hole (15) via a nut.

3. The energy-saving submersible mixer according to claim 1, characterized in that: The second sealing bolt (17) passes through the interior of the groove (14) and is sealedly connected to the interior of the mounting threaded hole (4) at the left end of the housing (1) via threads.

4. The energy-saving submersible mixer according to claim 1, characterized in that: The first sealing bolt (10) passes through the interior of the mounting through groove (6) and is sealedly connected to the interior of the mounting threaded hole (4) at the right end of the housing (1) via threads.

5. The energy-saving submersible mixer according to claim 1, characterized in that: The fishtail type mounting frames (8) are provided in two numbers and are symmetrically arranged on the left and right sides of the sealed bottom cover (2).

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