Fan for high-temperature submerged pump

By designing a fan that can adjust the number of blades and bending angle, the existing fans are solved in the complex, costly and unadjustable production in high-temperature liquid pumps, achieving the effect of simplifying production, reducing costs and ensuring the safety and stability of the unit.

CN222615659UActive Publication Date: 2025-03-14SHANGHAI KAIQUAN PUMP IND GROUP
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Patent Information

Application Number
CN202421457475.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-25
Publication Date
2025-03-14
Estimated Expiration
2034-06-25

AI Technical Summary

Technical Problem

The existing fans are complex in the production, high cost and unadjustable in the high-temperature liquid pump, resulting in insufficient or excessive wind power, which affects the bearing cooling effect and the safe operation of the unit.

Method used

Design a fan with adjustable blade count and bending angle, and simplifies the production process, reduces costs, and adjusts the blade angle according to actual working conditions through welding and forming of steel plates and steel pipes.

Benefits of technology

It realizes the simple and easy production of the fan structure, shortens the production cycle and reduces costs. At the same time, the adjustment function of the blade avoids the problems of insufficient wind or excessive force, ensuring the safe and stable operation of the unit.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a fan for a high-temperature submerged pump. The fan comprises blades, a hub, an air inlet and fixing holes, the fan blades and the hub are fixed together, the air inlets are formed in the rear sides of the blades, the number of the air inlets is multiple, and the fan is connected with the shaft through fixing holes in the hub. The blades are formed by cutting and bending a plurality of parts on a whole steel plate, and the number of the blades is multiple. The fan blades and the hub are fixed together in a welding connection mode or an integrated forming mode. The blade can be formed by welding a steel plate and a steel pipe, and the angle of the blade is adjustable. The structure is simple, production is easy, raw materials are easy to obtain, the production period is greatly shortened, the production cost is reduced, meanwhile, the number of the blades and the bending angle can be adjusted according to actual working conditions, the conditions that the bearing cooling effect is poor due to insufficient wind power or the unit load is too large due to too large wind power are avoided, and safe and stable operation of the unit is guaranteed.
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Description

Technical Field

[0001] The utility model relates to a fan, in particular to a fan for a high-temperature submerged pump, the number of blades and the bending angle of which can be adjusted according to actual working conditions, the structure is simple and easy to produce, the raw materials are easy to obtain, the production cycle is greatly shortened, and the production cost is reduced. Background Art

[0002] In high-temperature submersible pumps, fans are required to cool the bearings to prevent overheating of the bearings, which would affect the safe operation of the pump unit. Existing fans are integrally cast, which has a complex manufacturing process, a long production cycle, and high production costs. In addition, the fans cannot be adjusted according to actual working conditions after molding, which can easily lead to insufficient wind power leading to poor cooling of the bearings or excessive wind power leading to excessive load on the unit, affecting the safe operation of the unit. Utility Model Content

[0003] In response to the above problems, the main purpose of the utility model is to provide a fan for a high-temperature submersible pump, the number of blades and the bending angle of which can be adjusted according to actual working conditions, with a simple structure and easy production, and easy to obtain raw materials, which greatly shortens the production cycle and reduces the production cost.

[0004] The utility model solves the above technical problems through the following scheme: a fan for a high-temperature submersible pump, the fan for the high-temperature submersible pump comprising: blades, a hub, an air inlet, and a fixing hole; the fan blades are fixed together with the hub, the air inlet is arranged on the rear side of the blades, the air inlet comprises a plurality of them, the fan is connected to the shaft through the fixing holes on the hub; the blades are formed by cutting and bending a plurality of parts of a whole steel plate, the blades comprise a plurality of pieces.

[0005] In a specific implementation example of the present utility model, the fan blades and the hub are fixed together by welding or integrally forming.

[0006] In a specific implementation example of the present utility model, the fixing hole is a threaded hole.

[0007] In a specific implementation example of the present utility model, the number of blades is 4-8.

[0008] In a specific implementation example of the present utility model, the number of air inlets arranged on each blade is 1-4.

[0009] In a specific implementation example of the utility model, the total area of ​​the air inlet provided on each blade is 1 / 10-1 / 5 of the area of ​​one blade.

[0010] In a specific implementation example of the present utility model, the downward bending angle of the blade ranges from 15 to 90 degrees.

[0011] In a specific implementation example of the present utility model, the hub of the fan is a hub formed by processing a steel pipe.

[0012] The positive progress of the utility model is that the fan for the high-temperature submersible pump provided by the utility model, compared with the common fan, can be formed by welding steel plates and steel pipes after the fan structure is changed, and the blade angle is adjustable. The structure is simple and easy to produce, and the raw materials are easy to obtain, which greatly shortens the production cycle and reduces the production cost. At the same time, the number of blades and the bending angle can be adjusted according to the actual working conditions to avoid the situation that insufficient wind force leads to poor cooling effect of the bearing or excessive wind force leads to excessive load of the unit, so as to ensure the safe and stable operation of the unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is an expanded view of the utility model (when not bent).

[0014] Figure 2 It is a three-dimensional diagram of the utility model (after bending).

[0015] Figure 3 The left side view of the utility model.

[0016] The following are the names corresponding to the label numbers in this utility model:

[0017] Blades (1), a hub (2), an air inlet (3), and a fixing hole (4). DETAILED DESCRIPTION

[0018] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to illustrate the technical solution of the present invention in detail.

[0019] Figure 1 This is the expanded view of the utility model (when not bent). Figure 2 It is a three-dimensional diagram of the utility model (after bending), Figure 3 The left view of the utility model is as follows Figure 1-3 As shown: The utility model provides a fan for a high-temperature submersible pump, which includes: blades 1, a hub 2, an air inlet 3, and a fixing hole 4; the fan blades 1 are fixed together with the hub 2, and the air inlet 3 is arranged on the rear side of the blades. The air inlet 3 includes a plurality of air inlets, and the fan is connected to the shaft through the fixing hole 4 on the hub 2; the fixing hole 4 is generally a threaded hole. The blade 1 is a blade formed by cutting and bending multiple parts of a whole steel plate, and the blade 1 includes a plurality of blades. The number of blades 1 can be 4-8, and the number of air inlets 3 arranged on each blade 1 is generally 1-4. The area of ​​the air inlet 3 arranged on each blade 1 can be 1 / 10-1 / 5 of the area of ​​a blade. The downward bending angle of the blade is generally in the range of 15-90 degrees. The above parameters can select other values ​​or ranges according to specific circumstances.

[0020] In a specific implementation process, the fan blades 1 and the hub 2 are fixed together by welding or integrally forming, and the fan hub 2 is a hub formed by processing a steel pipe.

[0021] In the implementation process of this utility model, if Figure 1 As shown: the blade 1 is formed by cutting the steel plate along A and then bending along B. Figure 3 As shown: the fan blade bending angle β can be adjusted according to actual working conditions.

[0022] After the fan structure of the utility model is changed, it can be formed by welding steel plates and steel pipes, and the blade angle is adjustable. The structure is simple and easy to produce, and the raw materials are easy to obtain, which greatly shortens the production cycle and reduces the production cost. At the same time, the number of blades and the bending angle can be adjusted according to the actual working conditions to avoid the situation that insufficient wind force leads to poor cooling effect of the bearing or excessive wind force leads to excessive load of the unit, so as to ensure the safe and stable operation of the unit.

[0023] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected, and the scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A fan for a high-temperature submersible pump, characterized in that: The fan for the high-temperature submersible pump comprises: blades, a hub, an air inlet, and a fixing hole; the fan blades are fixed together with the hub, the air inlet is arranged at the rear side of the blades, the air inlet comprises a plurality of them, and the fan is connected to the shaft through the fixing hole on the hub; the blades are formed by cutting and bending multiple parts of a whole steel plate, and the blades comprise a plurality of pieces.

2. The fan for a high-temperature submersible pump according to claim 1, characterized in that: The fan blades and the hub are fixed together by welding or integral molding.

3. The fan for a high-temperature submersible pump according to claim 1, characterized in that: The fixing holes are threaded holes.

4. The fan for a high-temperature submersible pump according to claim 1, characterized in that: The number of leaves is 4-8.

5. The fan for a high-temperature submersible pump according to claim 1, characterized in that: The number of air inlets arranged on each blade is 1-4.

6. The fan for a high-temperature submersible pump according to claim 5, characterized in that: The total area of ​​the air inlet provided on each blade is 1 / 10-1 / 5 of the area of ​​a blade.

7. The fan for a high-temperature submersible pump according to claim 1, characterized in that: The downward bending angle of the blades ranges from 15 to 90 degrees.

8. The fan for a high-temperature submersible pump according to claim 1, characterized in that: The fan hub is formed by processing a steel pipe.