An explosion-proof submersible mixer blade

Abstract

The utility model relates to the technical field of mixer blade, especially to an explosion -proof submersible mixer blade, including the mounting bush, the mounting bush is the cylinder structure, the surface of mounting bush is equipped with a plurality of mounting holes for connecting with motor shaft, the mounting hole is along the both ends of mounting bush symmetry distribution setting, a plurality of blades are fixedly arranged on the outer wall of mounting bush, the end of blade is provided with curved end head. This scheme provides high -strength support through stainless steel base layer, polyurethane buffer layer absorbs fluid impact vibration, aluminium alloy reinforcing framework promotes compression resistance and torsion resistance, carbon fiber surface layer ensures form stability, fluorocarbon coating enhances corrosion resistance, the synergistic effect of the multiple materials makes the blade effectively resist deformation, fracture and corrosion in high -speed rotation or high resistance fluid environment, greatly prolongs the service life, the spiral head and the positioning block structure set up on the blade surface can form complex turbulence in the stirring process, and the fluid mixing effect is significantly improved.

Description

Technical Field

[0001] This utility model relates to the field of mixer blade technology, and in particular to an explosion-proof submersible mixer blade. Background Technology

[0002] Submersible mixer blades are a key component of submersible mixers, and their design and manufacturing directly affect the mixer's performance and service life. Submersible mixers are widely used in wastewater treatment, chemical, pharmaceutical, and food processing industries for mixing, stirring, and conveying various liquids and suspensions.

[0003] The working principle of a submersible mixer is to drive the blades to rotate using an electric motor, generating water flow or eddies to mix the liquid. For example, Chinese Patent Publication No. "CN216458114U" provides a corrosion-resistant submersible mixer blade for wastewater treatment, relating to the field of wastewater treatment technology, and aims to solve the problem of poor corrosion resistance in existing submersible mixer blades. The fixed rod has several blade shells evenly distributed in a ring shape on its outer surface. The upper end of the blade shell is provided with a first anti-corrosion electroplating layer, and the lower end of the first anti-corrosion electroplating layer is provided with a first anti-corrosion support layer. The lower end of the blade shell is provided with a second anti-corrosion electroplating layer, and the upper end of the second anti-corrosion electroplating layer is provided with a second anti-corrosion support layer. Several restrictive sealing plates are evenly distributed at the upper end of the blade shell, and a liquid flow cavity is provided at the lower end of each restrictive sealing plate. A support frame is provided between the first and second anti-corrosion support layers, and the support frame has several internal cavities evenly distributed in an array within its interior.

[0004] Currently, most submersible mixer blades are simply sheet-like plates. When mixing fluids with high viscosity or high particle content, the blades are prone to deformation or collision damage after long-term use. In addition, some fluids are corrosive, so it is necessary to strengthen the anti-corrosion protection of the blades to improve their service life. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned shortcomings in the existing technology by proposing an explosion-proof submersible mixer blade.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] Design an explosion-proof submersible mixer blade, including a mounting sleeve, the mounting sleeve being a cylindrical structure, the surface of the mounting sleeve having a plurality of mounting holes for connecting with a motor shaft, the mounting holes being symmetrically distributed along both ends of the mounting sleeve, a plurality of blades being fixedly distributed on the outer wall of the mounting sleeve, the ends of the blades being provided with curved ends;

[0008] The surface of the blade is provided with a number of positioning blocks, and a spiral head is welded to the surface of each positioning block.

[0009] The blade comprises a base layer, a buffer layer, a reinforcing frame, a surface layer, and a corrosion-resistant layer. The surface of the base layer is fixedly covered with a buffer layer, the surface of the buffer layer is fitted with a reinforcing frame, the other side of the reinforcing frame is fixedly covered with a surface layer, and the surface of the surface layer is coated with a corrosion-resistant layer.

[0010] The reinforcing frame includes a frame, horizontal bars, and vertical bars. Several horizontal bars and vertical bars are provided and fixed on the inner side of the frame. The horizontal bars and vertical bars are fixed by a staggered distribution.

[0011] Preferably, the mounting hole is a circular hole structure, and its inner ring wall is a threaded surface or a smooth surface.

[0012] Preferably, the base layer is made of stainless steel.

[0013] Preferably, the buffer layer is made of polyurethane material.

[0014] Preferably, the reinforcing frame is made of aluminum alloy.

[0015] Preferably, the surface layer is made of carbon fiber reinforced material.

[0016] Preferably, the corrosion-resistant layer is made of a fluorocarbon coating material.

[0017] The design scheme proposed in this utility model has the following beneficial effects in application:

[0018] 1. This solution provides high-strength support through a stainless steel base layer, absorbs fluid impact vibration through a polyurethane buffer layer, enhances the compressive and torsional resistance through an aluminum alloy reinforced frame, ensures morphological stability through a carbon fiber surface layer, and enhances corrosion resistance through a fluorocarbon coating. This synergistic effect of multiple materials enables the blades to effectively resist deformation, breakage, and corrosion in high-speed rotation or high-resistance fluid environments, significantly extending their service life.

[0019] 2. As described in point 1, the spiral head and positioning block structure on the blade surface can generate complex turbulence during stirring, significantly improving the fluid mixing effect. The spiral head generates multi-directional turbulence as it rotates with the blade, breaking the laminar flow state and enhancing the turbulence effect, enabling rapid and uniform mixing of media with different densities or viscosities. This design is particularly suitable for high-viscosity fluids or solid-liquid mixing scenarios. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is an enlarged schematic diagram of point A in this utility model;

[0022] Figure 3 This is a schematic diagram of the blade structure of this utility model;

[0023] Figure 4 This is a top view schematic diagram of the reinforcing frame of this utility model.

[0024] In the diagram: 1. Mounting sleeve; 11. Mounting hole; 12. Blade; 13. Curved end; 14. Positioning block; 15. Spiral head; 121. Base layer; 122. Buffer layer; 123. Reinforcing frame; 124. Surface layer; 125. Corrosion resistant layer; 12201. Frame; 12202. Horizontal bar; 12203. Vertical bar. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0026] Reference Figures 1-4 An explosion-proof submersible mixer blade includes a mounting sleeve 1, which is a cylindrical structure. The surface of the mounting sleeve 1 is provided with a plurality of mounting holes 11 for connecting with a motor shaft. The mounting holes 11 are symmetrically distributed along both ends of the mounting sleeve 1. A plurality of blades 12 are fixedly distributed on the outer wall of the mounting sleeve 1. The ends of the blades 12 are provided with curved end heads 13. The motor shaft is the main driving component of the blades 12. When the motor is energized, the motor shaft can rotate and the blades 12 can be rotated through the mounting sleeve 1.

[0027] Several positioning blocks 14 are fixedly distributed on the surface of the blade 12. A spiral head 15 is welded and fixed on the surface of the positioning block 14. The positioning block 14 can play a transitional connection role. The spiral head 15 can form turbulence around the blade 12 during submersible mixing, thereby improving the submersible mixing effect.

[0028] The blade 12 comprises a base layer 121, a buffer layer 122, a reinforcing frame 123, a surface layer 124, and a corrosion-resistant layer 125. The surface of the base layer 121 is fixedly covered with the buffer layer 122, the surface of the buffer layer 122 is fitted with the reinforcing frame 123, the other side of the reinforcing frame 123 is fixedly covered with the surface layer 124, and the surface of the surface layer 124 is coated with the corrosion-resistant layer 125. Through the composite of the multi-layer structure, the blade 12 can avoid deformation when mixing fluids with high resistance. At the same time, when mixing some corrosive fluids, the corrosion resistance of the blade 12 can be improved.

[0029] The reinforcing frame 123 includes a frame 12201, crossbars 12202, and vertical bars 12203. Several crossbars 12202 and vertical bars 12203 are provided and fixed to the inner side of the frame 12201. The crossbars 12202 and vertical bars 12203 are fixed by a staggered distribution. By installing the reinforcing frame 123, the compressive strength of the middle position can be guaranteed even when the blade 12 is composite with a multi-layer structure, thus avoiding local deformation.

[0030] The mounting hole 11 is a circular hole with a threaded or smooth inner wall. It can be assembled and fixed to the motor shaft by screws or bolts passing through the mounting hole 11.

[0031] The base layer 121 is made of stainless steel, which has excellent mechanical properties and durability, and can provide stable structural support for the blade 12. Its high strength and hardness ensure that the blade 12 is not easily deformed or broken when rotating at high speed or resisting high-resistance fluids.

[0032] Among them, the buffer layer 122 is made of polyurethane material. Polyurethane is a high-performance elastomer material. With its excellent buffering and damping properties, it is an ideal choice for the buffer layer 122. During the operation of the blade 12, polyurethane can effectively absorb the vibration energy generated by fluid impact, reduce the stress transmitted to the base layer 121 and the reinforcing frame 123, thereby reducing the risk of structural fatigue.

[0033] Among them, the reinforcing frame 123 is made of aluminum alloy. Aluminum alloy, with its balance of lightweight and high strength, is the core material of the reinforcing frame 123. Its density is only 1 / 3 of that of steel, but it can achieve mechanical strength close to that of steel through alloying treatment, which significantly reduces the overall weight of the blade 12, reduces the motor load and energy consumption. The rigid structure of aluminum alloy can effectively suppress the bending deformation of the blade 12 when mixing high viscosity fluid, while the interlacing design of the horizontal and vertical bars further improves the torsional performance.

[0034] Among them, the surface layer 124 is made of carbon fiber reinforced material. The carbon fiber reinforced material as the surface layer 124 gives the blade 12 extremely high specific strength and specific modulus. Its strength can reach more than 5 times that of steel, while its weight is only 1 / 4. This characteristic enables the blade 12 to maintain shape stability when subjected to high pressure fluid, while reducing inertial drag and improving response speed. The fatigue resistance of carbon fiber is far superior to that of metal, and it can withstand alternating stress for a long time without failure.

[0035] Among them, the corrosion-resistant layer 125 is made of fluorocarbon coating material. Fluorocarbon coating is a top-grade anti-corrosion material. By coating it on the surface of the surface layer 124, it forms a dense protective film. The strong carbon-fluorine bonds in its molecular structure can resist the erosion of strong acids, strong alkalis, salt spray and organic solvents, significantly extending the service life of the blade 12 in corrosive fluids such as electroplating solutions, seawater or chemical agents. The fluorocarbon coating has extremely low surface energy, excellent hydrophobicity and self-cleaning properties, which can reduce dirt adhesion and maintain mixing efficiency.

[0036] Working method: In this solution, the mounting sleeve 1 is rigidly connected to the motor shaft through a cylindrical structure and symmetrically distributed mounting holes 11 on its surface. When the motor shaft rotates, it directly drives the mounting sleeve 1 to rotate synchronously, thereby driving the blade 12 fixed to the outer wall of the mounting sleeve 1 to rotate as a whole. The curved end 13 at the end of the blade 12 is designed to optimize the fluid dynamics performance. During rotation, it can reduce eddy current resistance and enhance fluid guidance. The positioning block 14 serves as a transition structure to weld and fix the helical head 15 to the surface of the blade 12. When the helical head 15 rotates with the blade 12, its helical geometry will disrupt the laminar flow state of the fluid and form multi-directional turbulence around it. This turbulence effect significantly improves the shear force and mixing efficiency between fluids.

[0037] The blade 12 employs a five-layer composite structure design to cope with complex working conditions. The base layer 121 is made of stainless steel, providing basic mechanical strength and resisting plastic deformation. The buffer layer 122 is made of polyurethane, which absorbs fluid impact energy through its elastic deformation, reducing the transmission of vibration to the reinforcing frame 123. The reinforcing frame 123 uses an aluminum alloy frame 12201 as its framework, with internal crossbars 12202 and longitudinal bars 12203 forming a grid support, effectively dispersing fluid pressure and suppressing blade 12 bending. The carbon fiber reinforcement material of the surface layer 124 further enhances tensile strength, while the fluorocarbon coating of the corrosion-resistant layer 125 isolates corrosive media through chemical inertness. The synergistic effect of these multiple layers ensures that the blade 12 maintains its structural integrity for a long time in high-pressure and corrosive environments.

[0038] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An explosion-proof submersible mixer blade, comprising a mounting sleeve (1), characterized in that: The mounting sleeve (1) is a cylindrical structure. The surface of the mounting sleeve (1) is provided with a number of mounting holes (11) for connecting with the motor shaft. The mounting holes (11) are symmetrically distributed along both ends of the mounting sleeve (1). A number of blades (12) are fixed on the outer wall of the mounting sleeve (1). The ends of the blades (12) are provided with curved ends (13). The surface of the blade (12) is provided with a number of positioning blocks (14), and the surface of the positioning blocks (14) is welded with a spiral head (15). The blade (12) includes a base layer (121), a buffer layer (122), a reinforcing frame (123), a surface layer (124), and a corrosion-resistant layer (125). The surface of the base layer (121) is fixedly covered with the buffer layer (122), the surface of the buffer layer (122) is fitted with the reinforcing frame (123), the other side of the reinforcing frame (123) is fixedly covered with the surface layer (124), and the surface of the surface layer (124) is coated with a corrosion-resistant layer (125). The reinforcing frame (123) includes a frame (12201), a horizontal bar (12202) and a vertical bar (12203). There are several horizontal bars (12202) and vertical bars (12203), which are fixed on the inner side of the frame (12201). The horizontal bars (12202) and vertical bars (12203) are fixed by a crisscross distribution.

2. The explosion-proof submersible mixer blade according to claim 1, characterized in that: The mounting hole (11) is a circular hole structure, and its inner ring wall is a threaded surface or a smooth surface.

3. The explosion-proof submersible mixer blade according to claim 1, characterized in that: The base layer (121) is made of stainless steel.

4. The explosion-proof submersible mixer blade according to claim 1, characterized in that: The buffer layer (122) is made of polyurethane material.

5. The explosion-proof submersible mixer blade according to claim 1, characterized in that: The reinforcing frame (123) is made of aluminum alloy.

6. The explosion-proof submersible mixer blade according to claim 1, characterized in that: The surface layer (124) is made of carbon fiber reinforced material.

7. The explosion-proof submersible mixer blade according to claim 1, characterized in that: The corrosion-resistant layer (125) is made of fluorocarbon coating material.

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