Slurry pump impeller added with non-full-height small blades

Abstract

The utility model discloses a slurry pump impeller added with non-full-height small blades, relates to the technical field of slurry pump impeller improvement, and provides the following scheme that the slurry pump impeller comprises a first shell and a rotating mechanism arranged in the first shell, the rotating mechanism comprises a working assembly and a rotating assembly, the working assembly comprises an inlet, and the rotating assembly comprises a second shell. An inlet is formed in the first shell, a first fixing disc is fixedly connected to the bottom end of the inlet, front cover plate blades are fixedly connected to the top end of the first fixing disc, the rotating assembly comprises an impeller, and by arranging rectification blades, water flow enters the inlet from the top of the first shell and flows through the bottom of the first fixing disc; water flow impacts the outer wall of the impeller to drive the equipment to rotate, liquid flowing through the interior of the first fixing disc makes contact with the rectifying blades, stirring of the flowing liquid can be reduced, the turbulent flow phenomenon is reduced, the working efficiency of the equipment is guaranteed, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of slurry pump impeller improvement, in particular to a slurry pump impeller with added non-full-height small blades. Background Art

[0002] The impeller of a slurry pump refers to a wheel with blades. The impeller is a key component of a slurry pump. The transportation of slurry mainly depends on the centrifugal force generated by the rotation of the impeller.

[0003] When the slurry pump impeller in the prior art is in use, turbulence is easily generated near the flow channel outlet at the tail of the blade, which has a great impact on the efficiency and life of the impeller. By adding small rectifying blades, the blade width is smaller than the impeller flow channel width. After CFD analysis and practical verification, the added structure effectively reduces the turbulent flow pattern of the medium in the impeller flow channel, improves the impeller efficiency, and has a positive impact on the service life of the impeller. Therefore, a slurry pump impeller with added non-full-height small blades is needed. Utility Model Content

[0004] The purpose of the utility model is to provide a slurry pump impeller with added non-full-height small blades, which solves the problem in the prior art that turbulence is easily generated near the flow channel outlet at the tail of the blade, which has a great impact on the efficiency and life of the impeller. By adding small rectifying blades, the blade width is smaller than the impeller flow channel width. After CFD analysis and practical verification, the added structure effectively reduces the turbulent form of the medium in the impeller flow channel, improves the impeller efficiency, and has a positive impact on the service life of the impeller.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a slurry pump impeller with added non-full-height small blades, comprising a first housing and a rotating mechanism arranged inside the first housing, wherein the rotating mechanism comprises a working assembly and a rotating assembly;

[0006] The working assembly comprises an inlet, the first housing is provided with an inlet, the bottom end of the inlet is fixedly connected to a first fixed plate, and the top end of the first fixed plate is fixedly connected to a front cover blade;

[0007] The rotating assembly includes an impeller, an impeller is fixedly connected to the bottom of the first fixed disk, a straightening blade is fixedly connected to the bottom of the first fixed disk, the bottom end of the straightening blade is fixedly connected to the second fixed disk, the bottom of the second fixed disk is fixedly connected to a small blade of a rear cover plate, the bottom end of the second fixed disk is fixedly connected to a large blade of the rear cover plate, and the bottom of the second fixed disk is fixedly connected to a rotating shaft.

[0008] Preferably, a threaded shaft is provided on the outside of the first shell, a spring is fixedly connected to the outer wall of the threaded shaft, a movable plate is fixedly connected to one end of the spring, a threaded ring is spirally connected to the outer wall of the threaded shaft, a handle is fixedly connected to the outer wall of the threaded ring, and a second shell is provided at the bottom of the first shell.

[0009] Preferably, twelve groups of front cover plate blades are provided, and the positions of the twelve groups of front cover plate blades are symmetrically distributed about the center of the first fixed disk.

[0010] Preferably, the impellers and rectifying blades are provided in four groups, and the positions of the four groups of impellers and rectifying blades are symmetrically distributed about the center of the first fixed disk.

[0011] Preferably, eight groups of small blades of the rear cover plate are provided, and the positions of the eight groups of small blades of the rear cover plate are symmetrically distributed about the center of the second fixed disk.

[0012] Preferably, the rear cover plate large blades are provided in four groups, and the positions of the four groups of rear cover plate large blades are symmetrically distributed about the center of the second fixed disk.

[0013] Preferably, the threaded shaft is provided with a groove which matches the movable plate.

[0014] Preferably, the threaded ring is provided with a threaded groove which matches the threaded shaft, and the threaded ring forms a spiral structure with the threaded shaft through a handle.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. By setting the rectifying blades, water flows from the top of the first shell to the inside of the inlet, flows through the bottom of the first fixed plate, hits the outer wall of the impeller, drives the equipment to rotate, and the liquid flowing through the inside of the first fixed plate comes into contact with the rectifying blades, which can reduce the movement of the flowing liquid, reduce turbulence, ensure the working efficiency of the equipment and extend the service life.

[0017] 2. By setting the threaded shaft, the user inserts the threaded shaft into the outer walls of the first shell and the second shell to fix it. The movable plate touches the outer wall and shrinks into the groove opened by the threaded shaft. After passing through, the movable plate is ejected from the groove of the threaded shaft due to the elastic force of the spring and stably stuck on the outer wall of the second shell. Then, the handle is turned to make the threaded ring rotate on the outer wall of the threaded shaft, and the threaded ring is stuck on the outer wall of the first shell to ensure the connection between the first shell and the second shell, so that the inside of the equipment can be quickly inspected and cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a slurry pump impeller with added non-full-height small blades proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the overall cross-sectional structure of a slurry pump impeller with added non-full-height small blades proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the rotation structure of a slurry pump impeller with added non-full-height small blades proposed by the utility model;

[0021] Figure 4 The utility model provides a schematic diagram of a buckle structure of a slurry pump impeller with added small blades that are not full-height.

[0022] In the figure: 1. first outer shell; 2. inlet; 3. first fixed disk; 4. front cover plate blades; 5. impeller; 6. rectifying blades; 7. second fixed disk; 8. small blades of rear cover plate; 9. large blades of rear cover plate; 10. rotating shaft; 11. threaded shaft; 12. spring; 13. movable plate; 14. threaded ring; 15. handle; 16. second outer shell. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1

[0025] like Figure 1-4 As shown, a slurry pump impeller with a non-full-height small blade added thereto comprises a first housing 1 and a rotating mechanism disposed inside the first housing 1, wherein the rotating mechanism comprises a working assembly and a rotating assembly;

[0026] The working assembly includes an inlet 2, the inlet 2 is arranged inside the first housing 1, the bottom end of the inlet 2 is fixedly connected to a first fixed plate 3, and the top end of the first fixed plate 3 is fixedly connected to a front cover blade 4;

[0027] The rotating assembly includes an impeller 5, the impeller 5 is fixedly connected to the bottom of the first fixed disk 3, the straightening blade 6 is fixedly connected to the bottom of the first fixed disk 3, the bottom end of the straightening blade 6 is fixedly connected to the second fixed disk 7, the bottom of the second fixed disk 7 is fixedly connected to the small blade 8 of the rear cover plate, the bottom end of the second fixed disk 7 is fixedly connected to the large blade 9 of the rear cover plate, and the bottom of the second fixed disk 7 is fixedly connected to the rotating shaft 10.

[0028] Among them, Figure 3As shown, twelve groups of front cover blades 4 are provided, and the positions of the twelve groups of front cover blades 4 are symmetrically distributed about the center of the first fixed disk 3, which is conducive to the stable rotation of the device.

[0029] Among them, Figure 3 As shown, four groups of impellers 5 and rectifying blades 6 are provided, and the positions of the four groups of impellers 5 and rectifying blades 6 are symmetrically distributed about the center of the first fixed disk 3, which is conducive to the water flow inside and drives the device to rotate.

[0030] Among them, Figure 3 As shown, eight groups of small blades 8 are provided on the rear cover plate, and the positions of the eight groups of small blades 8 on the rear cover plate are symmetrically distributed about the center of the second fixed plate 7, which is beneficial to ensure that the water flow passing through can flow in a specified direction.

[0031] Among them, Figure 3 As shown, four groups of large blades 9 of the rear cover plate are provided, and the positions of the four groups of large blades 9 of the rear cover plate are symmetrically distributed about the center of the second fixed plate 7, which is conducive to using blades of different sizes to accelerate the flow of liquid.

[0032] Example 2

[0033] like Figure 1 , Figure 2 and Figure 4 As shown, this embodiment further illustrates Example 1, a threaded shaft 11 is provided on the outside of the first shell 1, a spring 12 is fixedly connected to the outer wall of the threaded shaft 11, a movable plate 13 is fixedly connected to one end of the spring 12, a threaded ring 14 is spirally connected to the outer wall of the threaded shaft 11, a handle 15 is fixedly connected to the outer wall of the threaded ring 14, and a second shell 16 is provided at the bottom of the first shell 1.

[0034] Among them, Figure 4 As shown, the threaded shaft 11 is provided with a groove that matches the movable plate 13, which is conducive to inserting the movable plate 13 into the groove provided in the threaded shaft 11 to complete the snap-fit ​​structure.

[0035] Among them, Figure 4 As shown, the threaded ring 14 is provided with a threaded groove that matches the threaded shaft 11. The threaded ring 14 forms a spiral structure with the threaded shaft 11 through the handle 15, which is conducive to the handle 15 driving the threaded ring 14 to rotate, rotate on the outer wall of the threaded shaft 11, shorten the spacing of the shell, and ensure fixity.

[0036] When in use: first, water flows from the top of the first housing 1 into the interior of the inlet 2, flows through the bottom of the first fixed disk 3, hits the outer wall of the impeller 5, drives the device to rotate, and the liquid flowing through the interior of the first fixed disk 3 comes into contact with the rectifying blades 6, which can reduce the movement of the flowing liquid, reduce turbulence, ensure the working efficiency of the device and extend the use time;

[0037] Finally, the user inserts the threaded shaft 11 into the outer walls of the first shell 1 and the second shell 16 to fix them, and the movable plate 13 touches the outer wall and shrinks into the groove opened by the threaded shaft 11. After that, the movable plate 13 is ejected from the groove of the threaded shaft 11 due to the elastic force of the spring 12 and is stably stuck on the outer wall of the second shell 16. Then, the handle 15 is rotated to make the threaded ring 14 rotate on the outer wall of the threaded shaft 11, and the threaded ring 14 is stuck on the outer wall of the first shell 1, thereby ensuring the connection between the first shell 1 and the second shell 16, and the interior of the equipment can be quickly inspected and cleaned.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A slurry pump impeller with a non-full-height small blade, comprising a first housing (1) and a rotating mechanism arranged inside the first housing (1), characterized in that: The rotating mechanism comprises a working component and a rotating component; The working assembly comprises an inlet (2), the first housing (1) is provided with the inlet (2), the bottom end of the inlet (2) is fixedly connected to a first fixed plate (3), and the top end of the first fixed plate (3) is fixedly connected to a front cover blade (4); The rotating assembly comprises an impeller (5), the impeller (5) is fixedly connected to the bottom of the first fixed disk (3), a rectifying blade (6) is fixedly connected to the bottom of the first fixed disk (3), the bottom end of the rectifying blade (6) is fixedly connected to the second fixed disk (7), the bottom of the second fixed disk (7) is fixedly connected to a small rear cover blade (8), the bottom end of the second fixed disk (7) is fixedly connected to a large rear cover blade (9), and the bottom of the second fixed disk (7) is fixedly connected to a rotating shaft (10).

2. A slurry pump impeller with added non-full-height small blades according to claim 1, characterized in that: A threaded shaft (11) is arranged outside the first shell (1), a spring (12) is fixedly connected to the outer wall of the threaded shaft (11), one end of the spring (12) is fixedly connected to a movable plate (13), a threaded ring (14) is spirally connected to the outer wall of the threaded shaft (11), a handle (15) is fixedly connected to the outer wall of the threaded ring (14), and a second shell (16) is arranged at the bottom of the first shell (1).

3. The slurry pump impeller with added non-full-height small blades according to claim 1, characterized in that: Twelve groups of front cover blades (4) are provided, and the positions of the twelve groups of front cover blades (4) are symmetrically distributed about the center of the first fixed disk (3).

4. The slurry pump impeller with added non-full-height small blades according to claim 1, characterized in that: The impeller (5) and the rectifying blades (6) are provided in four groups, and the positional relationship of the four groups of the impeller (5) and the rectifying blades (6) is symmetrically distributed about the center of the first fixed disk (3).

5. The slurry pump impeller with added non-full-height small blades according to claim 1, characterized in that: The rear cover plate small blades (8) are provided in eight groups, and the positional relationship of the eight groups of rear cover plate small blades (8) is symmetrically distributed about the center of the second fixed disk (7).

6. The slurry pump impeller with added non-full-height small blades according to claim 1, characterized in that: The rear cover plate large blades (9) are provided in four groups, and the positions of the four groups of rear cover plate large blades (9) are symmetrically distributed about the center of the second fixed disk (7).

7. The slurry pump impeller with added non-full-height small blades according to claim 2, characterized in that: The threaded shaft (11) is provided with a groove which matches the movable plate (13).

8. The slurry pump impeller with added non-full-height small blades according to claim 2, characterized in that: The threaded ring (14) is provided with a threaded groove that matches the threaded shaft (11), and the threaded ring (14) forms a spiral structure with the threaded shaft (11) through a handle (15).

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