A high temperature and corrosion resistant impeller structure

Abstract

The utility model provides a high temperature and corrosion resistant impeller structure, which relates to the technical field of impeller equipment, and includes: a first disc and a second disc, wherein blades are arranged at equal intervals along the outer periphery of the first disc and the second disc, positioning holes are provided at the top and bottom ends of the blades, a first guide groove is provided on the outer side wall of one end of the blade, and a second guide groove is provided on the outer side wall of the other end of the blade. In the utility model, the blades and two groups of discs are assembled and spliced ​​by fastening nails, so that the effect of detachable and replaceable blades in the impeller structure is achieved, and the ends of each group of blades are designed to have different bending angles according to the actual impeller design requirements, and when installing the impeller, the docking angle of the first disc and the second disc is adjusted accordingly to meet the diversion and drainage requirements of the impeller with different pressure requirements, and improve the versatility of the impeller in different pipelines.

Description

Technical Field

[0001] The utility model relates to the technical field of impeller equipment, in particular to an impeller structure that is resistant to high temperature and corrosion. Background Art

[0002] The corrosion and wear of fan impellers are mainly caused by the corrosive gas contained in the fan conveying medium and stress corrosion. Different conveying media cause different types of corrosion. In order to prevent corrosion and impeller corrosion and wear, the following measures are usually adopted: choose stainless steel with strong corrosion resistance as the impeller material; coat or spray an anti-corrosion layer on the impeller surface and improve the surface quality of the impeller to solve the corrosion and wear problem.

[0003] In the prior art, such as the patent publication number CN214837341U, a high-strength wear-resistant fan impeller includes an impeller body and a wear-resistant structure, the wear-resistant structure includes a first wear-resistant layer, a second wear-resistant layer, a corrosion-resistant layer, an alkali-resistant layer, a fire-resistant layer, a high-temperature resistant layer and an impact-resistant layer, the impeller body is provided with a first wear-resistant layer, the first wear-resistant layer is provided with a second wear-resistant layer, the second wear-resistant layer is provided with a corrosion-resistant layer, the corrosion-resistant layer is provided with an alkali-resistant layer, the alkali-resistant layer is provided with a fire-resistant layer, the fire-resistant layer is provided with a high-temperature resistant layer, and the high-temperature resistant layer is provided with an impact-resistant layer.

[0004] However, in the prior art, general impeller structures are prepared using an integrated molding process. Therefore, the angles of the impeller designs are fixed values, resulting in fixed pressure on the workpiece for impellers of the same model or specification. One model of impeller is difficult to meet the use conditions under different workpiece environments, thus affecting the versatility of the impeller. Utility Model Content

[0005] The utility model mainly provides an impeller structure which can meet different working pressures and improve the versatility of the impeller.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high temperature and corrosion resistant impeller structure, comprising: a first disc and a second disc, wherein blades are arranged at equal intervals along the outer periphery of the first disc and the second disc, positioning holes are provided at the top and bottom ends of the blades, a first guide groove is provided on the outer side wall of one end of the blade, and a second guide groove is provided on the outer side wall of the other end of the blade;

[0007] The top end of the first disc is provided with first fastening nails at equal intervals along the periphery, and the bottom end of the second disc is provided with second fastening nails at equal intervals along the periphery. The first disc is connected to the blades via the first fastening nails, and the first disc is connected to the blades via the second fastening nails.

[0008] Preferably, a first cylinder is fixedly connected to the middle position of the top surface of the first disk, and the first cylinder is arranged in the middle of the first disk. The first cylinder is used to gather the fluid on one side at the position between the impellers to absorb and concentrate the fluid in the pipeline.

[0009] Preferably, a drainage fan is arranged on the inner wall of the first cylinder, the bottom end of the drainage fan is fixedly connected to the cross column, and a drainage fan is arranged in the middle of the first cylinder, and the negative pressure generated by the drainage fan is used for drainage to increase the fluid collection speed in the pipeline.

[0010] Preferably, a center pin is provided below the bottom end of the cross column, a cross slot is provided at the top end of the center pin, the cross column is connected to the center pin via the cross slot, a cross column is provided at the bottom end of the drainage fan, the cross column and the center pin are clamped together, when an external power source drives the first disc and the impeller to rotate, the drainage fan provided in the first cylinder will also rotate accordingly to drain.

[0011] Preferably, the bottom end of the center pin is inserted into the second cylinder, the bottom end of the second cylinder is fixedly connected to the second disc, the second cylinder is mainly arranged in the middle of the second disc, and multiple groups of impellers are evenly distributed on the outside of the second cylinder. The second cylinder can be connected to the drainage fan and the center pin. The function of the second cylinder is to assist the first disc and the second disc in docking, and ensure that the first cylinder and the drainage fan are located at the center of the impeller for drainage.

[0012] Preferably, a keyway is provided at the bottom end of the middle connecting pin. By providing the keyway at the bottom end of the middle connecting pin, it is convenient to connect the output end of the external motor with the middle connecting pin, thereby providing driving force for the overall rotation of the middle connecting pin.

[0013] Preferably, the outer diameter of the first disk is equal to the outer diameter of the second disk, the outer side walls of the first disk and the second disk are both coated with anti-corrosion agent, and the sizes of the first disk and the second disk are equal, so that the first disk, the impeller and the second disk can be more easily formed into a whole, and anti-radiation agent is coated on the outer side walls of the first disk and the second disk, which can extend the service life of the impeller as a whole.

[0014] Compared with the prior art, the advantages and positive effects of the utility model are:

[0015] 1. In the utility model, the blades and two groups of discs are assembled and spliced ​​by fastening nails, so that the blades in the impeller structure can be detached and replaced. According to the actual impeller design requirements, the end of each group of blades is designed to have different bending angles, and when installing the impeller, the docking angle of the first disc and the second disc is adjusted accordingly to meet the diversion and drainage requirements of the impeller with different pressure requirements, thereby improving the versatility of the impeller in different pipelines.

[0016] 2. In the utility model, a first cylinder is arranged in the middle of the first disc, the fluid on one side is gathered at the position between the impellers by the first cylinder, and the drainage fan is designed to be located in the middle of the first cylinder. The negative pressure generated by the drainage fan is used for drainage. When the impeller is driven to rotate by an external power source, the drainage fan can also be driven to generate negative pressure drainage, thereby further increasing the fluid gathering speed in the pipeline and enhancing the effect of the impeller. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional structural schematic diagram of a high temperature and corrosion resistant impeller structure is proposed for the utility model;

[0018] Figure 2 A schematic diagram of the partial structural disassembly of a high temperature and corrosion resistant impeller structure proposed for the utility model Figure 1 ;

[0019] Figure 3 A schematic diagram of the partial structural disassembly of a high temperature and corrosion resistant impeller structure proposed for the utility model Figure 2 ;

[0020] Figure 4 The utility model provides a structural schematic diagram of blades in a high temperature and corrosion resistant impeller structure.

[0021] Legend: 1. First disc; 2. First cylinder; 3. First fastening nail; 4. Blade; 41. First guide groove; 42. Second guide groove; 43. Positioning hole; 5. Drainage fan; 6. Center pin; 7. Cross groove; 8. Second disc; 9. Second cylinder; 10. Second fastening nail; 11. Cross column. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] See also Figure 1 - Figure 4The utility model provides a high temperature and corrosion resistant impeller structure, including: a first disc 1 and a second disc 8, the first disc 1 and the second disc 8 are provided with blades 4 at equal intervals along the outer periphery, the top and bottom ends of the blades 4 are provided with positioning holes 43, the outer side wall of one end of the blade 4 is provided with a first guide groove 41, and the outer side wall of the other end of the blade 4 is provided with a second guide groove 42; the top end of the first disc 1 is provided with first fastening nails 3 at equal intervals along the periphery, the bottom end of the second disc 8 is provided with second fastening nails 10 at equal intervals along the periphery, the first disc 1 is connected to the blade 4 through the first fastening nails 3, and the first disc 1 is connected to the blade 4 through the second fastening nails 10. The impeller as a whole consists of two groups of discs and a plurality of blades, all of which are made of stainless steel materials, which not only have good corrosion resistance, but also have It has certain high temperature resistance characteristics, wherein the overall shape of the blade 4 is streamlined, the blades near the center of the impeller are straight blades, and the blades near the edge of the impeller are spiral blades. The inner surface of the blade 4 leads the fluid medium outward through the first guide groove 41, and the outer edge of the blade 4 leads the fluid medium out through the second guide groove 42, thereby increasing the pressure of the fluid outlet. Each blade 4 is individually installed with the first disc 1 and the second disc 8 through the first fastening nail 3 and the second fastening nail 10. The twisting angle of the end of the blade 4 determines the guidance of the guided fluid. In actual production and use, the end of the blade 4 can be designed to have different bending angles, and when installing the impeller, the docking angle of the first disc 1 and the second disc 8 is adjusted accordingly to meet the diversion and drainage needs of the impeller with different requirements.

[0025] like Figure 2 As shown, the first cylinder 2 is fixedly connected to the middle position of the top surface of the first disk 1, and the first cylinder 2 is arranged in the middle of the first disk 1. The first cylinder 2 is used to gather the fluid on one side at the position between the blades 4 to absorb and concentrate the fluid in the pipeline.

[0026] like Figure 3 As shown, a drainage fan 5 is arranged on the inner wall of the first cylinder 2, and the bottom end of the drainage fan 5 is fixedly connected to the cross column 11. The drainage fan 5 is arranged in the middle of the first cylinder 2, and the negative pressure generated by the drainage fan 5 is used for drainage to increase the fluid collection speed in the pipeline.

[0027] like Figure 2 and Figure 3 As shown, a center pin 6 is arranged below the bottom end of the cross column 11, a cross slot 7 is arranged at the top end of the center pin 6, the cross column 11 is connected to the center pin 6 through the cross slot 7, a cross column 11 is arranged at the bottom end of the drainage fan 5, and the cross column 11 and the center pin 6 are clamped together. When the external power source drives the first disc 1 and the blades 4 to rotate, the drainage fan 5 arranged in the first cylinder 2 will also rotate to drain.

[0028] like Figure 3As shown, the bottom end of the center pin 6 is inserted into the second cylinder 9, and the bottom end of the second cylinder 9 is fixedly connected to the second disc 8. The second cylinder 9 is mainly arranged in the middle of the second disc 8, and multiple groups of blades 4 are evenly distributed on the outside of the second cylinder 9. The second cylinder 9 can be connected with the drainage fan 5 and the center pin 6. The function of the second cylinder 9 is to assist the first disc 1 and the second disc 8 to connect, and ensure that the first cylinder 2 and the drainage fan 5 are located at the center of the blade 4 for drainage.

[0029] like Figure 3 As shown, a key slot is provided at the bottom end of the middle connecting pin 6. By providing the key slot at the bottom end of the middle connecting pin 6, it is convenient to connect the output end of the external motor with the middle connecting pin 6, thereby providing driving force for the overall rotation of the middle connecting pin 6.

[0030] like Figure 3 As shown, the outer diameter of the first disk 1 is equal to the outer diameter of the second disk 8, and the outer side walls of the first disk 1 and the second disk 8 are coated with anti-corrosion agent. The sizes of the first disk 1 and the second disk 8 are equal, so that the first disk 1, the blades 4 and the second disk 8 can be more easily formed into a whole. Coating the anti-corrosion agent on the outer side walls of the first disk 1 and the second disk 8 can extend the service life of the entire impeller.

[0031] The use method and working principle of the device: When installing the impeller, place the second disc 8 flat on the ground, install each set of blades 4 on the second disc 8 respectively, align the positioning hole 43 at the lower end of the blade 4 with the second fastening nail 10 on the second disc 8, and install the first disc 1 above the second disc 8, rotate the first disc 1 angle, align the positioning hole 43 at the upper end of the blade 4 with the first fastening nail 3;

[0032] Then, the middle connecting pin 6 is inserted into the second cylinder 9, and the cross column 11 below the drainage fan 5 is inserted and fixed with the cross groove 7 on the middle connecting pin 6, so that the drainage fan 5 is stably installed above the middle connecting pin 6, and finally the installation of the impeller is completed;

[0033] When the impeller is used, the motor drives the impeller to rotate, and the drainage fan 5 generates negative pressure when it rotates, draining the water in the pipeline into the impeller. At the same time, the blades 4 on the two groups of discs rotate and generate high-pressure fluid to be discharged to the surrounding area.

[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A high temperature and corrosion resistant impeller structure, characterized in that: include: A first circular disc (1) and a second circular disc (8), wherein blades (4) are arranged at equal intervals along the outer periphery of the first circular disc (1) and the second circular disc (8), positioning holes (43) are provided at the top and bottom ends of the blades (4), a first guide groove (41) is provided on the outer wall at one end of the blade (4), and a second guide groove (42) is provided on the outer wall at the other end of the blade (4); The top end of the first disc (1) is provided with first fastening nails (3) at equal intervals along the periphery, and the bottom end of the second disc (8) is provided with second fastening nails (10) at equal intervals along the periphery; the first disc (1) is connected to the blade (4) via the first fastening nails (3), and the first disc (1) is connected to the blade (4) via the second fastening nails (10).

2. The high temperature and corrosion resistant impeller structure according to claim 1, characterized in that: The first disc (1) is fixedly connected to the first cylinder (2) at the middle position of the top surface.

3. The high temperature and corrosion resistant impeller structure according to claim 2, characterized in that: A drainage fan (5) is arranged on the inner side wall of the first cylinder (2), and the bottom end of the drainage fan (5) is fixedly connected to a cross column (11).

4. The high temperature and corrosion resistant impeller structure according to claim 3, characterized in that: A middle connecting pin (6) is arranged below the bottom end of the cross column (11), a cross groove (7) is arranged at the top end of the middle connecting pin (6), and the cross column (11) is connected to the middle connecting pin (6) via the cross groove (7).

5. The high temperature and corrosion resistant impeller structure according to claim 4, characterized in that: The bottom end of the middle connecting pin (6) is inserted into the second cylinder (9), and the bottom end of the second cylinder (9) is fixedly connected to the second disc (8).

6. The high temperature and corrosion resistant impeller structure according to claim 4, characterized in that: A keyway is provided at the bottom end of the middle connecting pin (6).

7. The high temperature and corrosion resistant impeller structure according to claim 1, characterized in that: The outer diameter of the first disc (1) is equal to the outer diameter of the second disc (8), and the outer side walls of the first disc (1) and the second disc (8) are both coated with an anti-corrosion agent.

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