Slurry pump capable of reducing abrasion of matching surface of flow passage component
By designing protective mechanisms in the slurry pump, including the adjustment of the spacing between the front and rear guard plates and the sleeve, as well as the coordination of the fixing ring, connecting ring, and ring cutter, the problem of rapid wear of the slurry pump is solved, the service life is extended, and the seal failure is reduced.
Patent Information
- Application Number
- CN202520063307.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-01-10
AI Technical Summary
The front and rear guard plates and sleeves of the existing slurry pump wear out quickly, leading to misalignment, sealing failure, and frequent replacement of flow-through components.
The design incorporates a protective mechanism, including a front guard plate, a rear guard plate, and a sleeve. The distance between the front and rear guard plates and the impeller is smaller than that between the sleeve and the impeller. This mechanism, combined with O-rings, retaining rings, fasteners, connecting rings, and ring cutters, prevents wear and the entanglement of flexible impurities.
It reduces misalignment caused by wear, extends the service life of slurry pumps, reduces the frequency of seal failure and replacement of flow-through components, and lowers the risk of slurry entering the pump body.
Smart Images
Figure CN223634919U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of slurry pump, specifically a kind of slurry pump of reducing the wear of flow component mating surface. BACKGROUND
[0002] Slurry pump is centrifugal pump from working principle, concept refers to the energy of solid-liquid mixed medium is increased by the action of centrifugal force (pump impeller rotation) to make a kind of machine, convert electric energy into the kinetic energy and potential energy of medium. Mainly suitable for: mining, power plant, dredging, metallurgy, chemical industry, building materials and petroleum industry field.
[0003] The inner side surface of the front guard plate and the rear guard plate is on a vertical line with the inner side surface of the sheath after the front guard plate, the rear guard plate and the sheath cooperate (as shown in FIG. Figure 1 When slurry pump operates, the front guard plate and the rear guard plate are worn faster than the sheath, which causes the inner side surface of the front guard plate and the rear guard plate to be misaligned with the inner side surface of the sheath. A large amount of slurry enters the contact part of the front guard plate and the rear guard plate with the sheath under the action of impeller vice blade, resulting in sealing failure and replacement of flow component. SUMMARY
[0004] The utility model aims at solving the technical problems existing in prior art, and therefore proposes a slurry pump for reducing the wear of flow component mating surface.
[0005] The purpose of the utility model can be achieved by the following technical solutions:
[0006] A slurry pump for reducing the wear of flow component mating surface, comprising a pump body, wherein an impeller is arranged in the pump body.
[0007] A protection mechanism is arranged in the pump body, and the protection mechanism is used to reduce the wear inside the pump body.
[0008] The protection mechanism comprises a front guard plate, a rear guard plate and a sheath arranged in the pump body, the sheath is arranged outside the front guard plate and the rear guard plate, and the distance between the front guard plate and the rear guard plate and the impeller is smaller than the distance between the sheath and the impeller.
[0009] As a further scheme of the utility model, a pump cover is arranged on one side of the pump body.
[0010] As a further scheme of the utility model, an O-shaped strip is arranged between the front guard plate, the rear guard plate and the sheath.
[0011] As a further scheme of the utility model, a fixing ring is fixedly connected in the pump cover, and a fixing member is arranged on the fixing ring.
[0012] As a further scheme of the utility model: the connecting ring is provided with an annular cutter fixedly connected in the connecting ring.
[0013] As a further scheme of the utility model: the fixing member comprises a screw rod fixedly connected on the fixing ring, and a nut is threadedly connected on the screw rod.
[0014] As a further scheme of the utility model: a through hole is formed through one side of the connecting ring, and the screw rod passes through the through hole.
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] 1. The front guard plate and the rear guard plate are extended outwards after the cooperation of the front guard plate, the rear guard plate and the sheath, so that dislocation of the front guard plate, the rear guard plate and the sheath caused by abrasion is avoided, the overcurrent components are replaced due to sealing, the pulp enters the contact part of the front guard plate, the rear guard plate and the sheath, the service life of the pump is prolonged.
[0017] 2. The cooperation of the fixing ring, the fixing member, the connecting ring and the annular cutter realizes the cutting and segmentation of the long flexible impurities, effectively reduces the accumulation and transportation of the long flexible impurities in the pump body, and the annular cutter avoids the winding of the flexible impurities thereon. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is an internal structure schematic view of the existing slurry pump;
[0019] Figure 2 It is an internal structure schematic view of the utility model;
[0020] Figure 3 It is an internal structure schematic view of the utility model Figure 2 It is an enlarged view of part A in the utility model;
[0021] Figure 4 It is a split view of the fixing ring, the fixing member, the connecting ring and the annular cutter of the utility model.
[0022] In the drawing: 1, pump body; 2, impeller; 3, protection mechanism; 31, front guard plate; 32, rear guard plate; 33, sheath; 4, pump cover; 5, O-shaped strip; 6, fixing ring; 7, fixing member; 71, screw rod; 72, nut; 8, connecting ring; 9, annular cutter; 10, through hole. DETAILED DESCRIPTION
[0023] The technical solutions of the present application will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.
[0024] Embodiment one
[0025] Please refer to Figures 1-3 The present application provides a slag pump capable of reducing the wear of the mating surface of the flow-through component, as shown in the drawings, the present application provides a slag pump capable of reducing the wear of the mating surface of the flow-through component, comprising a pump body 1, the pump body 1 is provided with an impeller 2;
[0026] The protection mechanism 3 is arranged in the pump body 1, and the protection mechanism 3 is used for reducing the wear inside the pump body 1;
[0027] The protection mechanism 3 comprises a front guard plate 31, a rear guard plate 32 and a sheath 33 installed in the pump body 1, the sheath 33 is arranged outside the front guard plate 31 and the rear guard plate 32, and the distance between the front guard plate 31 and the rear guard plate 32 and the impeller 2 is less than the distance between the sheath 33 and the impeller 2. After the cooperation of the front guard plate 31, the rear guard plate 32 and the sheath 33, the inside surface of the front guard plate 31 and the rear guard plate 32 extends out, which can avoid the dislocation of the front guard plate 31, the rear guard plate 32 and the sheath 33 caused by wear, thereby avoiding the replacement of the flow-through component due to sealing, further reducing the contact of the slurry with the contact part of the front guard plate 31, the rear guard plate 32 and the sheath 33, and prolonging the service life of the pump.
[0028] One side of the pump body 1 is provided with a pump cover 4.
[0029] An O-shaped strip 5 is arranged between the front guard plate 31, the rear guard plate 32 and the sheath 33.
[0030] Embodiment two
[0031] Based on the embodiment one, refer to Figure 2 and Figure 4 As shown in the drawings.
[0032] The pump cover 4 is fixedly connected with a fixing ring 6, and the fixing ring 6 is provided with a fixing piece 7.
[0033] The pump cover 4 is provided with a connecting ring 8, and the connecting ring 8 is fixedly connected with an annular knife 9. Through the cooperation of the fixing ring 6, the fixing piece 7, the connecting ring 8 and the annular knife 9, the cutting and segmentation of the long flexible impurities are realized, the accumulation and transportation of the long flexible impurities in the pump body are effectively reduced, and the annularly arranged annular knife 9 can avoid the winding of the flexible impurities thereon.
[0034] The fixing member 7 comprises a screw rod 71 fixedly connected to the fixing ring 6, and a nut 72 threadedly connected to the screw rod 71.
[0035] A through hole 10 is formed through one side of the connecting ring 8, and the screw rod 71 passes through the through hole 10.
[0036] The working principle of the utility model is as follows: after the cooperation of the front guard plate 31, the rear guard plate 32 and the sheath 33, the inner side surfaces of the front guard plate 31 and the rear guard plate 32 extend outwards, so that dislocation of the front guard plate 31, the rear guard plate 32 and the sheath 33 caused by abrasion can be avoided, replacement of the overflow component due to sealing can be avoided, the contact of the slurry with the contact part of the front guard plate 31 and the rear guard plate 32 and the sheath 33 can be reduced, and the service life of the pump is prolonged. Through the cooperation of the fixing ring 6, the fixing member 7, the connecting ring 8 and the annular cutter 9, the cutting and segmentation of the long flexible impurities are realized, the accumulation and conveying of the long flexible impurities in the pump body are effectively reduced, and the annular cutter 9 arranged in an annular manner can avoid winding of the flexible impurities thereon.
[0037] The above embodiments are only used to illustrate the technical method of the utility model and not to limit the utility model. Although the utility model is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical method of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical method of the utility model.
Claims
1. A slurry pump with reduced wear on the mating face of the flow by-pass component comprising a pump body (1) characterised in that: The pump body (1) is provided with an impeller (2); The protection mechanism (3) is arranged in the pump body (1), and is used for reducing the internal wear of the pump body (1); The protection mechanism (3) comprises a front guard plate (31), a rear guard plate (32) and a sheath (33) which are arranged in the pump body (1), the sheath (33) is arranged outside the front guard plate (31) and the rear guard plate (32), and the spacing between the front guard plate (31) and the rear guard plate (32) and the impeller (2) is smaller than the spacing between the sheath (33) and the impeller (2).
2. A slurry pump with reduced wear on the mating faces of the flow components as defined in claim 1, wherein, One side of the pump body (1) is provided with a pump cover (4).
3. A slurry pump with reduced wear on the mating face of the flow component as defined in claim 1, wherein, O-shaped strips (5) are arranged between the front guard plate (31), the rear guard plate (32) and the sheath (33).
4. A slurry pump with reduced wear on the mating faces of the flow components as defined in claim 2, wherein, The pump cover (4) is fixedly connected with a fixing ring (6), and the fixing ring (6) is provided with a fixing piece (7).
5. A slurry pump of the type defined in claim 4, characterised in that The pump cover (4) is provided with a connecting ring (8), and the connecting ring (8) is fixedly connected with an annular cutter (9).
6. A slurry pump of the type defined in claim 5, characterised in that The fixing piece (7) comprises a screw rod (71) which is fixedly connected with the fixing ring (6), and the screw rod (71) is threadedly connected with a nut (72).
7. A slurry pump of the type defined in claim 6, characterised in that One side of the connecting ring (8) is provided with a through hole (10), and the screw rod (71) penetrates through the through hole (10).