Improved wing blade structure

Abstract

The utility model relates to the technical field of wing blades, in particular to an improved wing blade structure which comprises a wing blade body, the wing blade body is composed of an upper L-shaped plate, a lower L-shaped plate and a blocking plate, the upper L-shaped plate, the lower L-shaped plate and the blocking plate are welded and fixed, the lower L-shaped plate wraps the inner side of the upper L-shaped plate and is connected with the upper L-shaped plate, and the blocking plate is connected with the lower L-shaped plate. The blocking plate is welded to the end of the joint of the upper L-shaped plate and the lower L-shaped plate, and the surface of the upper L-shaped plate and the surface of the blocking plate are coated with a first protection plate and a second protection plate correspondingly. According to the improved wing blade structure, the protection plate I and the protection plate II which are made of stainless steel are welded on the surfaces of the upper L-shaped plate and the blocking plate, so that the direct contact between the wing blade and a corrosive material is effectively reduced, the corrosion resistance of the wing blade in a severe environment is remarkably enhanced, and the service life of the wing blade is prolonged; and the hardness and wear resistance of the stainless steel material are superior to those of a traditional manganese steel plate, abrasion of the material to the wing blades in the operation process can be effectively reduced, the equipment maintenance cost is reduced, and the equipment operation efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of wing blade technology, specifically an improved wing blade structure. Background Technology

[0002] In the early days, the fins in vertical fermenters were mostly made of Q355 manganese steel plates, formed through bending and welding processes. However, these fins faced numerous serious problems during actual production. Firstly, the fermentation process involves a complex and diverse range of materials, including corrosive substances. The poor corrosion resistance of Q355 manganese steel plates was amplified, and the fins, in prolonged contact with the materials, were continuously eroded, gradually developing pits and thinning. This not only reduced the structural strength of the fins but could also lead to material contamination, affecting the quality of the fermented product. Secondly, the fins were constantly rotating during fermentation, generating intense friction with a large amount of material. Due to the insufficient wear resistance of Q355 manganese steel plates, frequent friction exacerbated fin wear, increasing surface roughness and affecting the flow characteristics of the material, thus reducing fermentation efficiency. Furthermore, frequent wear necessitated periodic fin replacement, increasing equipment maintenance costs and downtime, severely restricting production continuity and the company's economic benefits. Utility Model Content

[0003] To address the shortcomings of existing technologies, this invention provides an improved finned structure that solves the technical problem of easy erosion and wear of fins in existing fermenters.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: an improved fin structure, including a fin body, the fin body being composed of an upper L-shaped plate, a lower L-shaped plate and a blocking plate, wherein the upper L-shaped plate, the lower L-shaped plate and the blocking plate are welded and fixed together, the lower L-shaped plate is wrapped around the inner side of the upper L-shaped plate and connected to it, the blocking plate is welded to the end position of the connection between the upper L-shaped plate and the lower L-shaped plate, and the surfaces of the upper L-shaped plate and the blocking plate are respectively covered with a protective plate one and a protective plate two.

[0005] Preferably, both the first protective plate and the second protective plate are provided with multiple equally spaced welding holes, and the first protective plate and the second protective plate are welded and fixed to the upper L-shaped plate and the blocking plate respectively through the welding holes.

[0006] Preferably, multiple equally spaced connecting blocks are welded at the connection points of the upper L-shaped plate and the lower L-shaped plate.

[0007] Preferably, both the first protective plate and the second protective plate are made of stainless steel.

[0008] Preferably, the upper L-shaped plate and the lower L-shaped plate are made of manganese steel.

[0009] Preferably, the ends of the upper L-shaped plate and the lower L-shaped plate are flush.

[0010] By employing the above technical solution, this utility model provides an improved fin structure, which has at least the following beneficial effects:

[0011] 1. This improved blade structure effectively reduces the direct contact between the blades and corrosive materials by welding stainless steel protective plates one and two to the surfaces of the upper L-shaped plate and the blocking plate. This significantly enhances the corrosion resistance of the blades in harsh environments, extends their service life, and the hardness and wear resistance of stainless steel are superior to traditional manganese steel plates. This effectively reduces the wear of the blades by materials during operation, reduces equipment maintenance costs, and improves equipment operating efficiency.

[0012] 2. In this improved blade structure, the dynamic friction coefficient of stainless steel is between 0.3 and 0.4, while that of manganese steel plate is between 0.6 and 0.8. Adding a protective plate to the surface of the upper L-shaped plate can reduce the friction between the blade and the material during operation, thereby achieving the purpose of reducing energy consumption.

[0013] 3. This improved fin structure, through the setting of welding holes, adopts a multi-point drilling and welding method, and performs full welding treatment on the peripheral contact parts of the upper L-shaped plate and the blocking plate with the first and second protective plates, ensuring a tight fit between the first and second protective plates and the fin surface, thereby enhancing the stability and sealing of the overall structure. Attached Figure Description

[0014] The accompanying drawings, which are included to provide a further understanding of the present invention, form part of this application:

[0015] Figure 1 This is a three-dimensional structural diagram of the front of the blade body of this utility model;

[0016] Figure 2 This is a schematic diagram of the structure at the rear of the wing blade body of this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the end of the blade body of this utility model;

[0018] Figure 4 This is a schematic diagram of the bottom structure of the wing body of this utility model;

[0019] Figure label:

[0020] 1. Lower L-shaped plate; 2. Upper L-shaped plate; 3. Connecting block; 4. Blocking plate; 5. Protective plate one; 6. Protective plate two; 7. Welding hole. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] In modern fermentation industry, vertical fermenters are core equipment, and the performance of their internal fins has a crucial impact on the stability and efficiency of the fermentation process, as well as the overall service life of the equipment. As fermentation processes continue to develop towards larger scale and higher efficiency, the working environment inside the fermenter is becoming increasingly complex and demanding.

[0023] Due to the inherent technical limitations of existing technologies, such as the susceptibility of blades to corrosion and wear, please refer to... Figures 1-4 This embodiment provides an improved fin structure that reduces direct contact between the fins and corrosive materials, significantly enhances the corrosion resistance of the fins in harsh environments, extends their service life, and effectively reduces wear on the fins during operation, thereby reducing equipment maintenance costs and improving equipment operating efficiency. The fin body comprises an upper L-shaped plate 2, a lower L-shaped plate 1, and a blocking plate 4, all welded together. The lower L-shaped plate 1 wraps around and connects to the inner side of the upper L-shaped plate 2. The blocking plate 4 is welded to the end of the connection between the upper L-shaped plate 2 and the lower L-shaped plate 1. The surfaces of the upper L-shaped plate 2 and the blocking plate 4 are respectively covered with a first protective plate 5 and a second protective plate 6. The first and second protective plates 5 and 6 provide additional protective layers for the upper L-shaped plate 2 and the blocking plate 4, effectively reducing material erosion and wear, extending the fin's service life, reducing equipment maintenance costs, and improving the fermenter's operating efficiency.

[0024] In practical use, due to the limited number of welding points between the protective plates 5 and 6 and the L-shaped plate and the blocking plate 4, delamination is likely to occur after prolonged use, preventing them from continuously providing protection. To address this issue, multiple equally spaced welding holes 7 are provided on both the protective plates 5 and 6. The protective plates 5 and 6 are welded and fixed to the upper L-shaped plate 2 and the blocking plate 4 through these welding holes 7, respectively. A multi-point drilling and welding method is adopted, and the peripheral contact areas between the upper L-shaped plate 2 and the blocking plate 4 and the protective plates 5 and 6 are fully welded to ensure a tight fit between the protective plates 5 and 6 and the fin surface, thereby enhancing the stability and sealing of the overall structure.

[0025] The connection between the upper and lower L-shaped plates of a traditional fin may be a simple weld. Under high stress, the connection is prone to cracking, affecting the overall strength and reliability of the fin. To address this issue, multiple equally spaced connecting blocks 3 are welded to the connection between the upper L-shaped plate 2 and the lower L-shaped plate 1. Welding multiple equally spaced connecting blocks 3 greatly enhances the strength of the connection between the upper L-shaped plate 2 and the lower L-shaped plate 1. Furthermore, the connecting blocks 3 can distribute the stress on the connection, effectively preventing cracking due to excessive force. This further improves the structural reliability of the fin body, enabling it to adapt to harsher working conditions.

[0026] Furthermore, both protective plate 5 and protective plate 6 are made of stainless steel; the upper L-shaped plate 2 and the lower L-shaped plate 1 are made of manganese steel; the dynamic friction coefficient of stainless steel is between 0.3 and 0.4, while the dynamic friction coefficient of manganese steel is between 0.6 and 0.8. Adding protective plate 5 to the surface of the upper L-shaped plate 2 can reduce the friction between the blades and the material during operation, thereby achieving the purpose of reducing energy consumption.

[0027] Furthermore, the ends of the upper L-shaped plate 2 and the lower L-shaped plate 1 are made flush. When the blades rotate, the flush ends can reduce the vibration caused by unbalanced forces, improve the stability of equipment operation, reduce equipment wear, and extend the overall service life of the equipment.

[0028] It should be noted that the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An improved fin structure, characterized in that, The fin body consists of an upper L-shaped plate (2), a lower L-shaped plate (1), and a blocking plate (4). The upper L-shaped plate (2), the lower L-shaped plate (1), and the blocking plate (4) are welded and fixed together. The lower L-shaped plate (1) wraps around the inner side of the upper L-shaped plate (2) and is connected to it. The blocking plate (4) is welded to the end position at the connection between the upper L-shaped plate (2) and the lower L-shaped plate (1). The surfaces of the upper L-shaped plate (2) and the blocking plate (4) are respectively covered with a protective plate one (5) and a protective plate two (6).

2. The improved fin structure according to claim 1, characterized in that: Both the first protective plate (5) and the second protective plate (6) are provided with multiple equally spaced welding holes (7). The first protective plate (5) and the second protective plate (6) are welded and fixed to the upper L-shaped plate (2) and the blocking plate (4) respectively through the welding holes (7).

3. The improved fin structure according to claim 1, characterized in that: Multiple equally spaced connecting blocks (3) are welded at the connection points of the upper L-shaped plate (2) and the lower L-shaped plate (1).

4. The improved fin structure according to claim 1, characterized in that: Both the first protective plate (5) and the second protective plate (6) are made of stainless steel.

5. The improved fin structure according to claim 1, characterized in that: The upper L-shaped plate (2) and the lower L-shaped plate (1) are made of manganese steel.

6. The improved fin structure according to claim 1, characterized in that: The ends of the upper L-shaped plate (2) and the lower L-shaped plate (1) are flush.

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