Impeller structure for improving operation efficiency of steam pump set

Abstract

The utility model provides a kind of impeller structure for improving the operating efficiency of steam pump set, comprising: impeller workpiece, the side end inner wall of the impeller workpiece is equipped with several blade assemblies, the end portion of the blade assembly is symmetrically slid with elastic sliding assembly, the side end of the blade assembly is equipped with support positioning assembly, and the one end of the blade assembly is equipped with self-adapting protection assembly.The utility model provides an impeller structure for improving the operating efficiency of steam pump set, which is used in cooperation with the elastic sliding assembly and the support positioning assembly, can automatically adjust the opening size of the blade assembly according to the conveying flow, can accurately adapt to the flow field demand under different flow loads, effectively reduces the impact loss when the flow is too large and the vortex loss when the flow is too small, and at the same time, the end self-adapting protection assembly can actively form a comprehensive protection for the end portion of the blade assembly, effectively blocks the end movement block caused by impurity attachment and accumulation, and ensures the flexibility of blade opening and closing action and the structural operation stability.

Description

Technical Field

[0001] This utility model relates to the field of impeller equipment technology, and in particular to an impeller structure for improving the operating efficiency of a steam pump unit. Background Technology

[0002] In energy production scenarios such as thermal power and nuclear power, the steam pump unit is a key power transmission equipment, and its operating efficiency and stability directly affect the overall energy consumption and safety conditions of the unit.

[0003] When existing impellers are in use, the fixed open blades are only optimally efficient at the design flow rate. When the flow load deviates from the design value, eddies and impact losses are easily generated, resulting in a significant decrease in conveying efficiency and an increase in energy consumption. Furthermore, the impeller ends lack effective protection, and impurities in the conveyed medium are easily attached to and accumulated at the blade ends and hub gap, causing blade movement to be obstructed or jammed, and even leading to impeller wear and increased vibration.

[0004] Therefore, it is necessary to provide an impeller structure that improves the operating efficiency of the steam pump unit to solve the above-mentioned technical problems. Utility Model Content

[0005] This invention provides an impeller structure that improves the operating efficiency of a steam pump unit, solving the problems of poor flow adaptability of existing impellers and susceptibility to impurities at the end.

[0006] To solve the above-mentioned technical problems, this utility model provides an impeller structure for improving the operating efficiency of a steam pump unit, comprising: an impeller workpiece, wherein a plurality of blade assemblies are installed on the inner wall of the side end of the impeller workpiece, wherein elastic sliding assemblies are symmetrically slidable at the ends of the blade assemblies, wherein the elastic sliding assemblies are used for adjusting and sliding the blade assemblies, wherein a support and positioning assembly is provided at the side end of the blade assembly, wherein the support and positioning assembly is used for structural support of the blade assembly, wherein an alignment assembly is provided on the inner wall of the elastic sliding assembly, and wherein an adaptive protection assembly is provided at one end of the blade assembly, wherein the adaptive protection assembly is used for protection at the blade connection position.

[0007] Preferably, the blade assembly includes a support block, an alignment member is provided on the side of the support block, a blade structure is installed on the side of the alignment member, and a fixed groove structure is provided on the inner wall of the blade structure for supporting the free sliding of the positioning assembly.

[0008] Preferably, the elastic sliding component includes a sliding mounting block and a sliding groove structure. A sliding rod structure is installed on the inner wall of the side end of the sliding mounting block. The sliding rod structure is used for the rotation adjustment of the blade assembly. Elastic damping elements are installed at both ends of the bottom of the sliding mounting block. The sliding groove structure is formed on the inner wall of both ends of the blade assembly.

[0009] Preferably, the support positioning component includes a support frame, and a positioning structure is installed between the inner walls of the support frame. The positioning structure is used for structural support of the blade assembly, and support limiting rings are installed on the inner walls at both ends of the positioning structure.

[0010] Preferably, the alignment component includes a vertical groove structure and a vertical block structure, which are disposed on the inner walls of both ends of the blade assembly. The vertical groove structure, in conjunction with the vertical block structure, can be used for sliding limit of the elastic sliding component.

[0011] Preferably, the adaptive protection component includes a protective frame and a sealing element. A rotating element is installed on the side of the protective frame. The rotating element and the inner wall of the sealing element are provided with a follow-up baffle structure. The follow-up baffle structure is used for protective sealing of the end of the blade assembly.

[0012] Compared with related technologies, the impeller structure for improving the operating efficiency of a steam pump unit provided by this utility model has the following beneficial effects:

[0013] This invention provides an impeller structure for improving the operating efficiency of a steam pump unit. During daily use, the impeller structure, through the coordinated use of an elastic sliding component and a support positioning component, can automatically adjust the opening size of the blade assembly according to the conveying flow rate. This allows for precise adaptation to flow field requirements under different flow loads, effectively reducing impact losses when the flow rate is too high and eddy current losses when the flow rate is too low. This significantly improves the flow delivery efficiency and energy conversion efficiency under all operating conditions, avoiding the problem of sudden efficiency drops in traditional fixed-opening blades under off-design conditions. Simultaneously, the end-adaptive protection component actively provides all-around protection to the blade assembly ends, effectively preventing end-motion obstruction caused by impurity adhesion and accumulation, reducing the risk of blade jamming, ensuring the flexibility of blade opening and closing actions and structural operational stability, reducing maintenance frequency and downtime losses, and extending the overall service life of the impeller. Attached Figure Description

[0014] Figure 1 A schematic diagram of a preferred embodiment of an impeller structure for improving the operating efficiency of a steam pump unit provided by this utility model;

[0015] Figure 2 for Figure 1 The diagram shows the structure of the blade assembly.

[0016] Figure 3 for Figure 1 The diagram shows the structure of the chute.

[0017] Figure 4 for Figure 1 The diagram shows the structure of the protective frame.

[0018] Figure 5 for Figure 1The diagram shows the structure of the adaptive protection component.

[0019] The following are the labeling elements in the diagram: 1. Impeller workpiece; 2. Blade assembly; 21. Support block; 22. Alignment component; 23. Blade structure; 24. Fixed groove structure; 3. Elastic sliding assembly; 31. Sliding mounting block; 32. Slide rod structure; 33. Elastic damping component; 34. Slide groove structure; 4. Support positioning assembly; 41. Support frame; 42. Positioning structure; 43. Support limiting ring; 5. Alignment assembly; 51. Vertical groove structure; 52. Vertical block structure; 6. Adaptive protection assembly; 61. Protection frame; 62. Rotating component; 63. Sealing component; 64. Follow-up baffle structure. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of a preferred embodiment of an impeller structure for improving the operating efficiency of a steam pump unit provided by this utility model; Figure 2 for Figure 1 The diagram shows the structure of the blade assembly. Figure 3 for Figure 1 The diagram shows the structure of the chute. Figure 4 for Figure 1 The diagram shows the structure of the protective frame. Figure 5 for Figure 1 The diagram shows the structure of the adaptive protection component. An impeller structure for improving the operating efficiency of a steam pump unit includes: an impeller workpiece 1; a plurality of blade assemblies 2 are mounted on the inner wall of the side end of the impeller workpiece 1; elastic sliding components 3 are symmetrically slidable at the ends of the blade assemblies 2; the elastic sliding components 3 are used for adjusting the sliding of the blade assemblies 2; a support and positioning component 4 is provided on the side end of the blade assembly 2; the support and positioning component 4 is used for structural support of the blade assembly 2; an alignment component 5 is provided on the inner wall of the elastic sliding component 3; and an adaptive protection component 6 is provided at one end of the blade assembly 2; the adaptive protection component 6 is used for protection at the blade connection position.

[0022] The blade assembly 2 includes a support block 21, an alignment member 22 is provided on the side of the support block 21, a blade structure 23 is installed on the side of the alignment member 22, and a fixed groove structure 24 is provided on the inner wall of the blade structure 23. The fixed groove structure 24 is used to support the free sliding of the positioning assembly 4.

[0023] When the blades are in operation, the blade structure 23 on the inner wall will rotate and adjust along the inner wall of the support block 21 under the flow transmission, thereby ensuring stable flow transmission and improving flow transmission efficiency and energy conversion efficiency under all operating conditions.

[0024] The blade assembly 2 includes, but is not limited to, segmented hinged type and hollow cooling type; in this embodiment, the blade assembly 2 is preferably segmented hinged type.

[0025] The elastic sliding component 3 includes a sliding mounting block 31 and a sliding groove structure 34. A sliding rod structure 32 is installed on the inner wall of the side end of the sliding mounting block 31. The sliding rod structure 32 is used for the rotation adjustment of the blade assembly 2. Elastic damping elements 33 are installed at both ends of the bottom of the sliding mounting block 31. The sliding groove structure 34 is formed on the inner wall of both ends of the blade assembly 2.

[0026] When the internal blade assembly 2 is affected by the flow rate, the sliding mounting blocks 31 at both ends will slide along the ends of the blades, and under the elastic support of the elastic damping element 33, the stable adjustment of the blade assembly 2 can be guaranteed.

[0027] Among them, the elastic sliding component 3 includes, but is not limited to, a spring-reset sliding component and a hydraulically driven elastic sliding component; in this embodiment, the elastic sliding component 3 is preferably a spring-reset sliding component.

[0028] The support and positioning component 4 includes a support frame 41, and a positioning structure 42 is installed between the inner walls of the support frame 41. The positioning structure 42 is used for structural support of the blade assembly 2, and support limiting rings 43 are installed on the inner walls at both ends of the positioning structure 42.

[0029] When the blade assembly 2 on the inner wall is adjusted for opening, the positioning structure 42 installed on the inner wall can limit the blade assembly 2 and reduce workpiece deviation during the adjustment process.

[0030] Among them, the support positioning component 4 includes, but is not limited to, rolling bearing positioning and mechanical limit rod positioning; in this embodiment, the support positioning component 4 is preferably positioned by mechanical limit rod.

[0031] The alignment component 5 includes a vertical groove structure 51 and a vertical block structure 52. The vertical groove structure 51 and the vertical block structure 52 are disposed on the inner walls of both ends of the blade assembly 2. The vertical groove structure 51, in conjunction with the vertical block structure 52, can be used for the sliding limit of the elastic sliding component 3.

[0032] When the internal elastic sliding component 3 is adjusted and slid, the vertical groove structure 51 and the vertical block structure 52 on the inner walls at both ends can ensure the accurate position of the sliding workpiece and reduce the sliding deviation of the workpiece.

[0033] The alignment component 5 includes, but is not limited to, pin hole type precision alignment and groove type precision alignment; in this embodiment, the alignment component 5 is preferably groove type precision alignment.

[0034] The adaptive protection component 6 includes a protective frame 61 and a sealing element 63. A rotating element 62 is installed on the side of the protective frame 61. The inner walls of the rotating element 62 and the sealing element 63 are provided with a follow-up baffle structure 64. The follow-up baffle structure 64 is used for protective sealing of the end of the blade assembly 2.

[0035] When the internal blade assembly 2 is adjusted to open, the seal 63 on the inner wall will rotate synchronously with the rotation of the blade. Then, under the flexible blocking of the inner wall follow-up baffle structure 64, impurities in the flow can be protected.

[0036] The adaptive protection component 6 includes, but is not limited to, centrifugal self-cleaning protection and flexible sealing protection; in this embodiment, the adaptive protection component 6 preferably uses flexible sealing protection.

[0037] The working principle of the impeller structure for improving the operating efficiency of a steam pump unit provided by this utility model is as follows:

[0038] In daily use, the impeller assembly 1 can be installed inside the housing for normal operation. During use, the internal blade assembly 2 will adaptively adjust the opening size according to the flow rate. When the blade assembly 2 is structurally adjusted, the elastic sliding assembly 3 at the end will elastically slide to both ends to ensure the stability of the blade assembly 2 adjustment. At the same time, the support and positioning assembly 4 on the inner wall will provide structural support for the adjusted blade assembly 2, reducing the adjustment deviation of the workpiece. Furthermore, the adaptive protection assembly 6 set at the end will follow the adjustment of the blade assembly 2, thereby reducing the damage to the structural workpiece caused by internal impurities.

[0039] Compared with related technologies, the impeller structure for improving the operating efficiency of a steam pump unit provided by this utility model has the following beneficial effects:

[0040] During daily use, the impeller structure, through the coordinated use of the elastic sliding component 3 and the support positioning component 4, can automatically adjust the opening size of the blade assembly 2 according to the conveying flow rate. This allows for precise adaptation to flow field requirements under different flow loads, effectively reducing impact losses when the flow rate is too high and eddy current losses when the flow rate is too low. This significantly improves the flow delivery efficiency and energy conversion efficiency under all operating conditions, avoiding the problem of a sudden drop in efficiency for traditional fixed-opening blades under non-design conditions. Simultaneously, the end-adaptive protection component 6 actively provides all-around protection to the ends of the blade assembly 2, effectively preventing end-motion obstruction caused by impurity adhesion and accumulation, reducing the risk of blade jamming, ensuring the flexibility of blade opening and closing actions and the stability of structural operation, reducing maintenance frequency and downtime losses, and extending the overall service life of the impeller.

[0041] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An impeller structure for improving the operating efficiency of a steam pump unit, characterized in that, The impeller includes: an impeller workpiece, a plurality of blade assemblies mounted on the inner wall of the side end of the impeller workpiece, elastic sliding components symmetrically sliding at the ends of the blade assemblies, the elastic sliding components being used for adjusting the sliding of the blade assemblies, a support and positioning component provided on the side end of the blade assembly, the support and positioning component being used for structural support of the blade assembly, an alignment component provided on the inner wall of the elastic sliding component, and an adaptive protection component provided at one end of the blade assembly, the adaptive protection component being used for protection at the blade connection position.

2. The impeller structure for improving the operating efficiency of a steam pump unit according to claim 1, characterized in that, The blade assembly includes a support block, an alignment member is provided on the side of the support block, a blade structure is installed on the side of the alignment member, and a fixed groove structure is provided on the inner wall of the blade structure. The fixed groove structure is used to support the free sliding of the positioning assembly.

3. The impeller structure for improving the operating efficiency of a steam pump unit according to claim 1, characterized in that, The elastic sliding assembly includes a sliding mounting block and a sliding groove structure. A sliding rod structure is installed on the inner wall of the side end of the sliding mounting block. The sliding rod structure is used for the rotation adjustment of the blade assembly. Elastic damping elements are installed at both ends of the bottom of the sliding mounting block. The sliding groove structure is formed on the inner wall of both ends of the blade assembly.

4. The impeller structure for improving the operating efficiency of a steam pump unit according to claim 1, characterized in that, The support and positioning component includes a support frame, and a positioning structure is installed between the inner walls of the support frame. The positioning structure is used for structural support of the blade assembly, and support limiting rings are installed on the inner walls at both ends of the positioning structure.

5. The impeller structure for improving the operating efficiency of a steam pump unit according to claim 1, characterized in that, The alignment component includes a vertical groove structure and a vertical block structure. The vertical groove structure and the vertical block structure are disposed on the inner walls of both ends of the blade assembly. The vertical groove structure, in conjunction with the vertical block structure, can be used for sliding limit of the elastic sliding component.

6. The impeller structure for improving the operating efficiency of a steam pump unit according to claim 1, characterized in that, The adaptive protection component includes a protective frame and a sealing element. A rotating element is installed on the side of the protective frame. The rotating element and the inner wall of the sealing element are provided with a follow-up baffle structure. The follow-up baffle structure is used for protective sealing of the end of the blade assembly.

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