Centrifugal water pump capable of preventing deposition inside

Abstract

The invention relates to the technical field of water pumps, and provides an internal anti-deposition centrifugal water pump which comprises a supporting seat, a bearing seat, a front pump shell and a rear pump shell are arranged on the supporting seat, the front pump shell and the rear pump shell are fixedly connected together, a front protection plate is arranged on the inner wall of the front pump shell, a rear protection plate is arranged on the inner wall of the rear pump shell, and an impeller is rotationally connected to the rear protection plate; the pump further comprises a protection water injection assembly and a liquid inlet pipeline, the protection water injection assembly is arranged between the front protection plate and the rear protection plate, the liquid inlet pipeline is communicated between the front pump shell and the front protection plate, the liquid inlet pipeline is communicated with the impeller, and a bendable conveying pipeline is communicated with the liquid inlet pipeline. By means of the technical scheme, the problem that in the using process of a centrifugal water pump in the prior art, due to the fact that solid-liquid proportions in solid-liquid mixed liquid conveyed in the previous procedure are different, residues are prone to being deposited in the centrifugal water pump is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of water pumps, and in particular to a centrifugal water pump with internal anti-deposition function. Background Art

[0002] A water pump is a conventional conveying equipment used in the prior art for conveying and pressurizing liquids. A water pump transfers the mechanical energy of a prime mover or other external energy to a liquid to increase the energy of the liquid. Due to the different use environments and conveying media, the types and models of water pumps are slightly different. The operating principle of most common water pumps is to use centrifugal force as the conveying power, that is, an impeller is rotated in a pump casing, and the impeller is driven to rotate by a bearing seat, so that the liquid passes through the center of the impeller and enters the inside of the pump casing, and a front guard plate and a rear guard plate are provided inside the pump casing to ensure the overall sealing of the pump casing and to protect the impeller. Therefore, after the liquid is thrown out by the high-speed rotating impeller, the liquid is thrown between the front guard plate and the rear guard plate under the action of centrifugal force, and then as the impeller continues to rotate at a high speed, the liquid is discharged from the pump casing through the impeller, thereby completing the liquid conveying and liquid pressurization operations.

[0003] However, the centrifugal water pumps in the prior art are not only used to transport pure liquids during use. For example, a slurry pump using the centrifugal principle is a water pump equipment used to transport slurry. In some centrifugal water pumps used in mining, chemical industry, metallurgy and other fields, they are also usually used to transport some heavier or more viscous solid-liquid mixed liquids. When transporting these solid-liquid mixed liquids, because centrifugal water pumps are often used as one of the links in a complete set of chemical production equipment, it is easy for the solid-liquid mixed liquid transported by the centrifugal water pump to have solid-liquid mixed liquids discharged from the previous process. The ratio of water to solid particles in the mixed liquid is not fixed. When using a centrifugal water pump in conjunction with other equipment, there may be more water and less residue in the initial solid-liquid mixed liquid, a normal solid-liquid ratio in the middle solid-liquid mixed liquid, and more residue and less water in the final solid-liquid mixed liquid. When there is more residue in the solid-liquid mixed liquid, after the solid-liquid mixed liquid is transported to the centrifugal water pump, because there is less liquid in the solid-liquid mixed liquid, the fluidity of the solid-liquid mixed liquid is poor. Therefore, it is easy for residue to be deposited in the pump casing, affecting the centrifugal water pump's transportation efficiency of the solid-liquid mixed liquid. Summary of the invention

[0004] The present invention provides an internal anti-deposition centrifugal water pump, which solves the problem in the prior art that during use, residue deposition is easily generated inside the centrifugal water pump due to the difference in solid-liquid ratio in the solid-liquid mixed liquid transported from the previous process.

[0005] The technical solution of the present invention is as follows: an internal anti-deposition centrifugal water pump, comprising a support seat, a bearing seat and a rear pump shell are arranged on the support seat, a front pump shell is fixedly connected to the rear pump shell, a front guard plate is arranged on the inner wall of the front pump shell, a rear guard plate is arranged on the inner wall of the rear pump shell, an impeller is rotatably connected to the rear guard plate, and the output end of the bearing seat is fixedly connected to the impeller, and also includes:

[0006] A protective water injection assembly, wherein the protective water injection assembly is arranged between the front guard plate and the rear guard plate;

[0007] A liquid inlet pipeline, the liquid inlet pipeline is connected between the front pump housing and the front guard plate, the liquid inlet pipeline is connected to the impeller, the liquid inlet pipeline is connected to a bendable delivery pipeline, a bending drive component is provided between the delivery pipeline and the liquid inlet pipeline, and a shock-absorbing water injection component is provided in the delivery pipeline;

[0008] A liquid outlet pipeline, the liquid outlet pipeline is connected between the front pump housing and the rear pump housing, the liquid outlet pipeline is connected to an external box body, the external box body is provided with a solid-liquid separation component, the external box body is provided with a combined liquid supply component, the combined liquid supply component is used to supply water to the protective water injection component and the shock-absorbing water injection component.

[0009] In order to reduce the wear of the front guard plate, the rear guard plate, the front pump casing and the rear pump casing, and to adjust the solid-liquid ratio in the transported mixed liquid, the protective water injection assembly further includes an annular mounting plate, an annular water storage cylinder and an injection head, the annular mounting plate is fixedly connected to the front guard plate and the rear guard plate, the annular water storage cylinder is arranged between the two annular mounting plates, the annular water storage cylinder is arranged between the front guard plate and the rear guard plate, the annular water storage cylinder is connected with an injection pipe, the outer wall of the water injection pipe is fixedly connected to the inner wall of the liquid outlet pipeline, the water injection pipe runs through the liquid outlet pipeline, wherein a plurality of mounting grooves are opened on the side of the annular water storage cylinder close to the impeller, a support plate is arranged in the mounting groove, the water injection head is connected between the support plate and the upper wall of the annular water storage cylinder body, and an electromagnetic valve is arranged on the water injection head.

[0010] In order to make the mixed liquid produce a vertical falling transportation process during transportation, further, the middle part of the conveying pipeline is a rigid conveying pipe section, and both ends of the rigid conveying pipe section are connected with curved metal pipe sections, and one of the curved metal pipe sections is connected to the liquid inlet pipeline.

[0011] In order to adjust the positions of the rigid conveying pipe section and the two curved metal pipe sections, further, the curved driving assembly includes a sliding track, a driving electric cylinder and an elastic pushing member, the sliding track is fixedly connected to the rigid conveying pipe section, a rotating shaft member is slidably connected in the sliding track, a rotating shaft seat is provided on the liquid inlet pipeline, the driving electric cylinder is rotatably provided on the rotating shaft seat, and an elastic pushing member is provided between the output end of the driving electric cylinder and the rotating shaft member.

[0012] In order to protect the driving electric cylinder, on the basis of the above-mentioned scheme, the elastic pushing member includes a sliding cylinder and a spring damper, the sliding cylinder is rotatably connected to the rotating shaft, a sliding plate is slidably arranged in the sliding cylinder, the output end of the driving electric cylinder is fixedly connected to the sliding plate, and the spring damper is arranged between the sliding plate and the inner wall of the sliding cylinder.

[0013] In order to mix and add water into the liquid, on the basis of the present scheme, the shock-absorbing and water-injecting assembly includes a shock-absorbing seat, a curved cylinder and a drainage head. The number of the shock-absorbing seats is set to multiple, and the multiple shock-absorbing seats are all arranged on the inner wall of the curved metal pipe section. A curved sealing plate is arranged between two adjacent shock-absorbing seats. The number of the curved cylinders is set to multiple, and the curved cylinders are fixedly connected between the multiple shock-absorbing seats. A curved mounting section is provided in the middle part of the curved cylinder. The multiple curved cylinders are connected by connecting pipes, and one side of the curved cylinder is connected to multiple drainage heads.

[0014] In order to filter and utilize the moisture in the liquid during transportation, on the basis of this scheme, further, the solid-liquid separation component includes a filter plate layer, a sliding trough body, a winding drum body and a rotating roller body, the external box body and the liquid outlet pipeline are connected by the through port, the filter plate layer is arranged in the through port, the sliding trough body is fixedly connected to both sides of the top inner wall of the external box body, a sliding block is slidably connected to the sliding trough body, the winding drum body is rotatably connected to one side of the inner part of the external box body through a rotating seat, and a closed wrapping belt is arranged on the winding drum body for winding. One side of the closed tape is fixedly connected to the two sliding blocks, and the bottom end of the filter plate layer is fixedly connected to a closed frame, and the closed frame is in contact with the closed tape and the top of the two sliding troughs, and the rotating roller body is also rotatably connected to the other side of the inside of the external box body through the rotating seat, and winding wheels are provided on both sides of the rotating roller body, and a traction rope is wound around the winding wheel, and one end of the traction rope is fixedly connected to the sliding block located on the same side, wherein a rotating component is provided between the winding cylinder body and the rotating roller body and the external box body.

[0015] In order to support the closing tape, on the basis of the present solution, further, a supporting roller body is included, and the corresponding ends of the two sliding trough bodies are rotatably connected with a plurality of the supporting roller bodies, and the supporting roller bodies are in contact with the bottom end of the unfolding area of ​​the closing tape.

[0016] In order to supply water to the protective water injection assembly and the shock-absorbing water injection assembly, on the basis of the present solution, further, the combined liquid supply assembly includes a drain interface, a water supply pipe and a water filling pipe, the bottom of the external box body is connected to the two drain interfaces, both of which are provided with a booster valve, the water injection pipe is connected to one of the drain interfaces, the other drain interface is connected to the water supply pipe, the water supply pipe is connected to the corresponding two arc-shaped cylinders, and the bottom of the external box body is connected to the water filling pipe.

[0017] In order to keep the rigid delivery pipe section and the liquid inlet pipeline fixed, based on the above scheme, it further includes a fixing frame group, and the fixing frame group is arranged between the liquid inlet pipeline and the rigid delivery pipe section.

[0018] The working principle and beneficial effects of the present invention are:

[0019] In the present invention, when it is necessary to transport a solid-liquid mixed liquid, when transporting a mixed liquid with different solid-liquid ratios, when encountering a situation where there is more solid residue and less water in the mixed liquid, the conveying paths of the hard conveying pipe section and the two curved metal pipe sections in the conveying pipeline can be adjusted first to form an area where the mixed liquid falls vertically. After the mixed liquid contacts the shock-absorbing water injection component, because the mixed liquid falls vertically in the hard conveying pipe section, a dead angle position that the mixed liquid cannot flow through is formed in the hard conveying pipe section. Then, water is added into the mixed liquid through the dead angle position, thereby adjusting the solid-liquid ratio in the mixed liquid, so that after the mixed liquid enters between the front pump casing and the rear pump casing, the problem of solid residue deposition is avoided during the transportation process through the cooperation of the bearing seat and the impeller.

[0020] In the present invention, after the mixed liquid enters between the front pump casing and the rear pump casing, because the impeller uses the centrifugal force principle to transport the mixed liquid, when the mixed liquid is thrown out from the impeller, the mixed liquid will directly contact the front guard plate and the rear guard plate. By injecting water into the annular water storage cylinder, the mixed liquid is made to contact the annular water storage cylinder when it is centrifugally discharged from the impeller, which can effectively protect the front guard plate and the rear guard plate, and the annular water storage cylinder is used to cover the connection between the front pump casing and the rear pump casing, so as to further improve the sealing between the front pump casing and the rear pump casing. When solid deposition occurs in the mixed liquid transported in the front pump casing and the rear pump casing, the solenoid valve on the water injection head is controlled to discharge the water in the annular water storage cylinder through the water injection head, and the solid-liquid ratio in the mixed liquid in the front pump casing and the rear pump casing is adjusted, thereby solving the problem of deposition of the transported mixed liquid between the front pump casing and the rear pump casing.

[0021] In the present invention, when conveying some mixed liquids with more water, in order to utilize the excess water in the mixed liquid, the water in the mixed liquid can be filtered to a certain extent by the solid-liquid separation component. Because the mixed liquid is filtered out during the conveying process in the liquid inlet pipeline, the solid-liquid balance of the mixed liquid itself is not affected. The filtered excess water can be re-conveyed to the shock-absorbing water injection component and the protective water injection component, thereby realizing the recycling of the excess liquid in the mixed liquid.

[0022] Therefore, during use, the internal anti-deposition centrifugal water pump can adjust the solid-liquid ratio of the mixed liquid before the mixed liquid enters the front pump casing and the rear pump casing, and can continue to adjust the solid-liquid ratio of the mixed liquid when the mixed liquid enters the front pump casing and the rear pump casing for transportation, thereby preventing the solid matter in the mixed liquid from being deposited between the front pump casing and the rear pump casing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a schematic diagram of the structure of a partial cross-section of the present invention;

[0026] Figure 3 It is a partial cross-sectional structural diagram of the coordination of the front pump housing, the rear pump housing, the front guard plate, the rear guard plate, the liquid inlet pipeline and the liquid outlet pipeline in the present invention;

[0027] Figure 4 It is a partial cross-sectional structural diagram of the cooperation of the front guard plate, the rear guard plate, the liquid inlet pipeline, the liquid outlet pipeline and the protective water injection assembly in the present invention;

[0028] Figure 5 It is a structural schematic diagram of the protective water injection component in the present invention;

[0029] Figure 6 It is a partial cross-sectional structural diagram of the cooperation of the annular mounting plate, the annular water storage cylinder, the water injection pipe and the water injection head in the present invention;

[0030] Figure 7 It is a schematic diagram of a partial cross-section of the structure of the delivery pipeline, the bending drive assembly and the shock-absorbing water injection assembly in the present invention;

[0031] Figure 8 It is a schematic diagram of a partial cross-section of the structure of the delivery pipeline, the fixing frame group and the shock-absorbing water injection assembly in the present invention;

[0032] Fig. 9 For the present invention Figure 8 A schematic diagram of the local enlarged structure at point A in the middle;

[0033] Fig.10 It is a schematic diagram of a partial cross-section of the structure of the arc-shaped cylinder, the curved installation section and the drainage head in the present invention;

[0034] Fig.11 It is a partial cross-sectional structural diagram of the cooperation of the liquid inlet channel, the peripheral box, the solid-liquid separation component and the combined liquid supply component in the present invention;

[0035] Fig.12 It is a schematic diagram of a partial cross-section of the structure of the filter plate layer, the sealing belt, the sliding trough body and the sealing frame in the present invention;

[0036] Fig.13 It is a schematic diagram of the partial cross-section structure of the cooperation between the filter plate layer and the solid-liquid separation component in the present invention;

[0037] Fig.14 It is a schematic diagram of the structure of the solid-liquid separation component and the supporting roller body in the present invention;

[0038] Fig.15 It is a schematic diagram of the structure of the cooperation between the sliding trough body and the supporting roller body in the present invention.

[0039] In the figure: 100, protective water injection assembly; 200, bending drive assembly; 300, shock absorption water injection assembly; 400, solid-liquid separation assembly; 500, joint liquid supply assembly; 600, fixed frame assembly;

[0040] 1. Support seat; 2. Bearing seat; 3. Front pump housing; 4. Rear pump housing; 5. Front guard plate; 6. Rear guard plate; 7. Impeller; 8. Liquid inlet pipeline; 9. Delivery pipeline; 10. Liquid outlet pipeline; 11. Annular mounting plate; 12. Annular water storage cylinder; 13. Water injection pipe; 14. Support plate; 15. Water injection head; 16. Rigid delivery pipe section; 17. Bent metal pipe section; 18. Sliding track; 19. Rotating shaft; 20. Driving electric cylinder; 21. Rotating shaft seat; 22. Sliding cylinder; 23. Sliding plate; 24. Spring damper; 25. Reducer Vibration seat; 26. curved sealing plate; 27. arc cylinder; 28. curved installation section; 29. ​​drainage head; 30. filter plate layer; 31. sliding trough; 32. sliding block; 33. winding cylinder; 34. closing tape; 35. closing frame; 36. rotating roller; 37. winding wheel; 38. traction rope; 39. supporting roller; 40. drainage interface; 41. water supply pipe; 42. water supply pipe; 43. fixed bracket; 44. meshing ring; 45. trough frame; 46. driving motor; 47. transmission gear; 48. peripheral box. DETAILED DESCRIPTION

[0041] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] like Figures 1 to 15 As shown, this embodiment proposes an internal anti-deposition centrifugal water pump, including a support seat 1, a bearing seat 2 and a rear pump shell 4 are arranged on the support seat 1, a front pump shell 3 is fixedly connected to the rear pump shell 4, a front guard plate 5 is arranged on the inner wall of the front pump shell 3, a rear guard plate 6 is arranged on the inner wall of the rear pump shell 4, an impeller 7 is rotatably connected to the rear guard plate 6, an output end of the bearing seat 2 is fixedly connected to the impeller 7, the bearing seat 2 is a prior art device for driving the impeller 7 to rotate in the prior art, and an external motor drive device can be used to be installed with the bearing seat 2 to drive The impeller 7 rotates. When the solid-liquid mixed liquid needs to be transported, the mixed liquid flows through the front pump housing 3 and the front guard plate 5 through the liquid inlet pipeline 8, and the mixed liquid enters the interior of the impeller 7. During the high-speed rotation of the impeller 7, a certain centrifugal force is generated on the mixed liquid, and the mixed liquid is thrown out from the center of the impeller 7, so that the mixed liquid contacts between the front guard plate 5 and the rear guard plate 6. Finally, as the impeller 7 continuously transports the mixed liquid, the mixed liquid is discharged through the liquid outlet pipeline 10 during the flow between the front guard plate 5 and the rear guard plate 6.

[0043] It also includes a protective water injection assembly 100, which is arranged between the front guard plate 5 and the rear guard plate 6. The protective water injection assembly 100 includes an annular mounting plate 11, an annular water storage cylinder 12 and a water injection head 15. The front guard plate 5 and the rear guard plate 6 are both fixedly connected with the annular mounting plate 11, the annular water storage cylinder 12 is arranged between the two annular mounting plates 11, the annular water storage cylinder 12 is arranged between the front guard plate 5 and the rear guard plate 6, and the annular water storage cylinder 12 is connected with a water injection pipe. 13, the outer wall of the water injection pipe 13 is fixedly connected to the inner wall of the liquid outlet pipeline 10, and the water injection pipe 13 runs through the liquid outlet pipeline 10, wherein a plurality of mounting grooves are provided on the side of the annular water storage cylinder 12 close to the impeller 7, and a support plate 14 is provided in the mounting groove, and a water injection head 15 is connected between the support plate 14 and the inner wall of the annular water storage cylinder 12, and a solenoid valve is provided on the water injection head 15. When the mixed liquid is transported between the front guard plate 5 and the rear guard plate 6, when the mixed liquid is thrown out from the impeller 7, In order to reduce the wear of the mixed liquid on the front guard plate 5 and the rear guard plate 6, water is injected into the annular water storage cylinder 12 through the water injection pipe 13 to expand the volume of the annular water storage cylinder 12. When the mixed liquid contacts the annular water storage cylinder 12, the annular water storage cylinder 12 buffers the mixed liquid, thereby reducing the wear of the front guard plate 5 and the rear guard plate 6. In addition, because the annular water storage cylinder 12 is located at the joint between the front pump shell 3 and the rear pump shell 4, the annular water storage cylinder 12 can protect the joint between the front pump shell 3 and the rear pump shell 4, thereby improving the sealing between the front pump shell 3 and the rear pump shell 4. The purpose of setting the support plate 14 in the present application is that, in the process of adding liquid into the annular water storage cylinder 12, the annular water storage cylinder 12 expands. In order to prevent the annular water storage cylinder 12 from affecting the normal discharge of liquid from the water injection head 15 after expansion, the support plate 14 is provided to maintain the basic shape of the mounting groove so that the liquid can be discharged smoothly through the water injection head 15.

[0044] When solid residue deposits appear inside the front pump casing 3 and the rear pump casing 4, affecting the transportation of the mixed liquid, the solenoid valve on the water injection head 15 is opened to allow the liquid in the annular water storage cylinder 12 to be sprayed out through multiple water injection heads 15. The water sprayed from the water injection heads 15 can mix the liquid between the front pump casing 3 and the rear pump casing 4, and readjust the solid-liquid ratio of the mixed liquid inside the front pump casing 3 and the rear pump casing 4, so that the mixed liquid can be normally transported between the front pump casing 3 and the rear pump casing 4.

[0045] The liquid inlet pipeline 8 is connected between the front pump casing 3 and the front guard plate 5, the liquid inlet pipeline 8 is connected to the impeller 7, the liquid inlet pipeline 8 is connected with a bendable delivery pipe 9, a bending drive assembly 200 is arranged between the delivery pipe 9 and the liquid inlet pipeline 8, the middle part of the delivery pipe section 16 is a rigid delivery pipe section 16, both ends of the rigid delivery pipe section 16 are connected with a bent metal pipe section 17, one of the bent metal pipe sections 17 is connected to the liquid inlet pipeline 8, and also includes a fixed frame group 600, a fixed frame group 600 is arranged between the liquid inlet pipeline 8 and the rigid delivery pipe section 16, when it is necessary to add enough liquid to the mixed liquid entering between the front pump casing 3 and the rear pump casing 4 so that the mixed liquid maintains a normal solid-liquid ratio, because the texture of the mixed liquid is relatively viscous, it is easy to cause the original mixed liquid to be viscous if only a single liquid is added to the mixed liquid. The mixing between the liquid and the subsequent liquid is not uniform, which affects the subsequent processing of the mixed liquid. The present application adjusts the positions of the rigid conveying pipe section 16 and the two curved metal pipe sections 17 in the conveying pipeline 9 to keep the rigid conveying pipe section 16 vertical, thereby providing a vertical falling channel for the mixed liquid. The fixed frame group 600 includes a fixed bracket 43 and a meshing ring 44. The fixed bracket 43 is fixedly connected to the liquid inlet pipeline 8, and the meshing ring 44 is provided on the rigid conveying pipe section 16. A groove frame 45 is fixedly connected between the fixed bracket 43 and the meshing ring 44 through fasteners. After driving the rigid conveying pipe section 16 to remain vertical, the groove frame 45 is used to keep the fixed bracket 43 and the meshing ring 44 fixed, so that the rigid conveying pipe section 16 remains fixed, ensuring the normal delivery of the mixed liquid.

[0046] The bending drive assembly 200 includes a sliding track 18, a driving electric cylinder 20 and an elastic pusher. The sliding track 18 is fixedly connected to the rigid delivery pipe section 16. A rotating shaft 19 is slidably connected in the sliding track 18. A rotating shaft seat 21 is provided on the liquid inlet pipeline 8. The driving electric cylinder 20 is rotatably provided on the rotating shaft seat 21. An elastic pusher is provided between the output end of the driving electric cylinder 20 and the rotating shaft 19. The elastic pusher includes a sliding cylinder 22 and a spring damper 24. The sliding cylinder 22 is rotatably connected to the rotating shaft 19. The sliding cylinder 22 A sliding plate 23 is provided inside the slide, and the output end of the driving electric cylinder 20 is fixedly connected to the sliding plate 23. A spring damper 24 is provided between the sliding plate 23 and the inner wall of the sliding cylinder 22. When the angle of the rigid conveying pipe section 16 needs to be adjusted, the driving electric cylinder 20 is started to pull the sliding plate 23 to slide in the sliding cylinder 22, so that the spring damper 24 is expanded, and then the rotating shaft 19 is driven to slide in the sliding track 18, so that the angle of the rigid conveying pipe section 16 is adjusted, and the bent metal pipe section 1 connected at both ends of the rigid conveying pipe section 16 7 follows the rigid delivery pipe section 16 to bend adaptively. When the rigid delivery pipe section 16 is used to transport the mixed liquid, the rigid delivery pipe section 16 will inevitably vibrate. In order to prevent the rigid delivery pipe section 16 from affecting the output end of the driving electric cylinder 20 during the vibration process, after the driving electric cylinder 20 adjusts the position of the rigid delivery pipe section 16 and fixes the position of the rigid delivery pipe section 16 through the fixing frame group 600, the output end of the driving electric cylinder 20 is started to drive the sliding plate 23 to move, so that the spring damper 24 can perform the shock absorbing operation normally, and the sliding plate 23 does not contact the inner wall of the sliding cylinder 22, so during the vibration of the sliding cylinder 22, it will not affect the sliding plate 23, thereby avoiding vibration of the output end of the driving electric cylinder 20, protecting the driving electric cylinder 20, and during normal transportation of the mixed liquid, the driving electric cylinder 20 can reduce the bending curvature of the delivery pipe 9, so that the mixed liquid can enter the liquid inlet pipe 8 more smoothly, avoiding unnecessary wear of multiple components in the delivery pipe 9.

[0047] A shock-absorbing water injection assembly 300 is arranged in the delivery pipeline 9, and the shock-absorbing water injection assembly 300 includes a shock-absorbing seat 25, an arc-shaped cylinder 27 and a drainage head 29. The number of the shock-absorbing seats 25 is set to multiple, and the multiple shock-absorbing seats 25 are all arranged on the inner wall of the curved metal pipe section 17. A curved sealing plate 26 is arranged between two adjacent shock-absorbing seats 25. The number of the arc-shaped cylinders 27 is set to multiple, and the arc-shaped cylinders 27 are fixedly connected between the multiple shock-absorbing seats 25. A curved installation section 28 is arranged in the middle of the arc-shaped cylinders 27. The multiple arc-shaped cylinders 27 are connected by connecting The curved cylinder 27 is connected to the pipeline, and one side of the curved cylinder 27 is connected to multiple drainage heads 29. When it is necessary to add enough liquid to the mixed liquid flowing through the curved metal pipe section 17 and the hard conveying pipe section 16, when the curved metal pipe section 17 is adaptively bent, the curved sealing plates 26 adjacent to the two shock-absorbing seats 25 will also bend, so that the multiple shock-absorbing seats 25 can adapt to the bending curvature of the curved metal pipe section 17, and the curved installation section 28 set in the middle of the curved cylinder 27 is also a deformable metal corrugated section, so that the curved cylinder 27 can also adapt to the bending The bending angle of the metal pipe section 17 is such that when the mixed liquid enters the bent metal pipe section 17, the mixed liquid will contact the arc cylinder 27 and the plurality of shock-absorbing seats 25, and the shock-absorbing seats 25 will buffer the impact force of the mixed liquid entering. The mixed liquid will then fall vertically in the rigid conveying pipe section 16. However, as the mixed liquid continues to fall, due to the positional restrictions of the shock-absorbing seats 25 and the arc cylinder 27, a dead zone will be generated in the drainage head 29 area connected to the arc cylinder 27, which is not accessible to the mixed liquid. In the corner area, liquid is added between multiple arc-shaped cylinders 27 through a connecting pipeline, so that the liquid in the arc-shaped cylinder 27 can be discharged through multiple drainage heads 29, so that the liquid can be transported between the rigid conveying pipe sections 16 together with the mixed liquid, and after the mixed liquid and the added liquid are transported from the rigid conveying pipe section 16, the mixed liquid and the added liquid will collide with multiple shock-absorbing seats 25 and multiple arc-shaped cylinders 27 in another curved metal pipe section 17, so that the mixed liquid and the added liquid are fully mixed before entering the liquid inlet pipeline 8.

[0048] The liquid outlet pipeline 10 is connected between the front pump housing 3 and the rear pump housing 4. The liquid outlet pipeline 10 is connected with an external box 48. An opening is reserved on the external box 48. A sealing door is arranged in the opening. The various components in the external box 48 can be adjusted and replaced through the sealing door. The external box 48 is provided with a solid-liquid separation component 400. The solid-liquid separation component 400 includes a filter plate layer 30, a sliding trough body 31, a winding cylinder body 33 and a rotating roller body 36. A through opening is connected between the external box 48 and the liquid outlet pipeline 10. A filter plate layer 30 is arranged in the through opening. When the mixed liquid is transported, some mixed liquids with more water and less solids are sometimes transported. In order to utilize the excess water in the mixed liquid, when the mixed liquid is discharged from the liquid outlet pipeline 10, part of the liquid in the mixed liquid is filtered out through the filter plate layer 30 during the flow of the mixed liquid, and the mixed liquid is filtered out into the external box 48.

[0049] The sliding groove 31 is fixedly connected to both sides of the inner wall of the top of the external box 48, and the sliding block 32 is slidably connected in the sliding groove 31. The winding cylinder 33 is rotatably connected to one side of the inner part of the external box 48 through a rotating seat. A closed wrapping belt 34 is wound on the winding cylinder 33, and one side of the closed wrapping belt 34 is fixedly connected to the two sliding blocks 32. The bottom end of the filter plate layer 30 is fixedly connected to a closed frame 35, which contacts the closed wrapping belt 34 and the top ends of the two sliding grooves 31. The rotating roller 36 is also rotated by the rotating seat. The rotating roller 36 is dynamically connected to the other side of the external box 48, and a winding wheel 37 is arranged on both sides of the rotating roller 36. A traction rope 38 is wound around the winding wheel 37, and one end of the traction rope 38 is fixedly connected to the sliding block 32 located on the same side, wherein a rotating assembly is arranged between the winding cylinder 33 and the rotating roller 36 and the external box 48, and the rotating assembly includes a driving motor 46, and the driving motor 46 is arranged on the external box 48, and a transmission is arranged on the output end of the winding cylinder 33, the rotating roller 36 and the two driving motors 46. The gear 47 and the two transmission gears 47 corresponding to each other are meshed. When it is not necessary to filter out the water in the mixed liquid, in order to prevent the water in the mixed liquid from entering the external box 48, the bottom of the filter plate layer 30 is sealed by setting the closing belt 34 and the closing frame 35 to prevent the water in the mixed liquid from entering the external box 48. When it is necessary to move the closing belt 34 to allow the excess water in the mixed liquid to enter the external box 48, the two drive motors 46 are started and each drives the two transmission gears 46 through the two transmission gears 46. The meshing relationship of the gear 47 drives the winding cylinder 33 and the rotating roller 36 to rotate in the corresponding direction, so that the winding cylinder 33 rolls up the closing tape 34, so that the filter plate layer 30 and the external box 48 are connected, and then the rotating roller 36 and the two winding wheels 37 unwind the traction rope 38 with the closing tape 34, so that the sliding block 32 slides smoothly in the sliding groove 31. When it is necessary to reset the closing tape 34, the above steps are reversed to make the closing tape 34 re-seal the bottom of the filter plate layer 30;

[0050] It also includes a support roller body 39. The corresponding ends of the two sliding grooves 31 are rotatably connected to multiple support roller bodies 39. The support roller bodies 39 are in contact with the bottom end of the unfolding area of ​​the closing tape 34. The setting height of the multiple support roller bodies 39 located on both sides is higher than the multiple support roller bodies 39 located in the middle. When the closing tape 34 is fully unfolded between the two sliding grooves 31, the area of ​​the closing tape 34 located between the two sliding grooves 31 maintains a concave shape toward the middle, thereby preventing liquid from flowing out from the gap between the closing tape 34 and the closing frame 35.

[0051] The external box 48 is provided with a joint liquid supply component 500, which is used to supply water to the protective water injection component 100 and the shock-absorbing water injection component 300. The joint liquid supply component 500 includes a drainage interface 40, a water supply pipe 41 and a water supply pipe 42. The bottom of the external box 48 is connected to two drainage interfaces 40, and the two drainage interfaces 40 are both provided with a booster valve. The water injection pipe 13 is connected to one of the drainage interfaces 40, and the other drainage interface 40 is connected to a water supply pipe 41. The water supply pipe 41 is connected to the corresponding two arc-shaped cylinders 27. The bottom of the external box 48 is connected to the water supply pipe 42. When it is necessary to filter to When the liquid in the external box 48 is transported to the arc-shaped cylinder 27 and the annular water storage cylinder 12, the booster valve on the discharge interface 40 is opened to allow the liquid to enter the water injection pipe 13 and be filled into the annular water storage cylinder 12, while the other discharge interface 40 will transport the liquid to the water supply pipe 41, allowing the liquid to enter the arc-shaped cylinder 27 through the water supply pipe 41. Because the multiple arc-shaped cylinders 27 located on the same side are interconnected through connecting pipes, the liquid is gradually added to the multiple arc-shaped cylinders 27. When there is less liquid in the external box 48, liquid can be added to the external box 48 through the water filling pipe 42.

[0052] Working principle of this centrifugal water pump with internal anti-deposition:

[0053] When conveying a mixed liquid with less water and more solid matter, the driving electric cylinder 20 is first started to pull the sliding plate 23 to slide in the sliding cylinder 22, so that the spring damper 24 is expanded, and then the rotating shaft 19 is driven to slide in the sliding track 18, so that the angle of the rigid conveying pipe section 16 is adjusted, and the curved metal pipe sections 17 connected at both ends of the rigid conveying pipe section 16 follow the rigid conveying pipe section 16 to bend adaptively, and then when the mixed liquid enters the curved metal pipe section 17, the mixed liquid will contact the arc cylinder 27 and a plurality of shock-absorbing seats 25, and the shock-absorbing seats 25 will reduce the impact force of the mixed liquid entering. The mixed liquid will then fall vertically in the rigid delivery pipe section 16, and the liquid will be added between the multiple arc-shaped cylinders 27 through the water supply pipe 41 and the connecting pipeline, so that the liquid in the arc-shaped cylinder 27 can be discharged through the multiple drainage heads 29, so that the liquid can be transported between the rigid delivery pipe sections 16 together with the mixed liquid, and after the mixed liquid and the added liquid are transported from the rigid delivery pipe section 16, the mixed liquid and the added liquid will collide with the multiple shock-absorbing seats 25 and the multiple arc-shaped cylinders 27 in another curved metal pipe section 17, so that the mixed liquid and the added liquid are fully mixed before entering the liquid inlet pipeline 8;

[0054] After the mixed liquid enters between the inner walls of the front pump casing 3 and the rear pump casing 4 through the liquid inlet pipe, the mixed liquid will enter the impeller 7, and the bearing seat 2 will drive the impeller 7 to rotate at a high speed, so that the impeller 7 generates centrifugal force to drive the mixed liquid to flow between the front guard plate 5 and the rear guard plate 6, and the liquid is added to the annular water storage cylinder 12 through the water injection pipe 13 in advance to expand the volume of the annular water storage cylinder 12. When the mixed liquid contacts the annular water storage cylinder 12, the annular water storage cylinder 12 buffers the mixed liquid. Then, when solid residue is deposited inside the front pump casing 3 and the rear pump casing 4, affecting the transportation of the mixed liquid, the solenoid valve on the water injection head 15 is opened to spray the liquid in the annular water storage cylinder 12 through multiple water injection heads 15. The water sprayed from the water injection head 15 can mix the liquid between the front pump casing 3 and the rear pump casing 4, and readjust the solid-liquid ratio of the mixed liquid inside the front pump casing 3 and the rear pump casing 4, so that the mixed liquid can be normally transported between the front pump casing 3 and the rear pump casing 4;

[0055] When conveying some mixed liquids with more water and less solids, in order to utilize the excess water in the mixed liquid, when the mixed liquid is discharged from the liquid outlet pipeline 10, part of the liquid in the mixed liquid is filtered out through the filter plate layer 30 during the flow of the mixed liquid, and the mixed liquid is filtered out into the external box 48. The rotating roller 36 and the winding cylinder 33 are driven to rotate by two rotating components, and the closing tape 34 is driven to move between the two sliding grooves 31, so as to control the connection relationship between the filter plate layer 30 and the inside of the external box 48.

[0056] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An internal anti-deposition centrifugal water pump, comprising a support seat (1), a bearing seat (2) and a rear pump housing (4) are arranged on the support seat (1), a front pump housing (3) is fixedly connected to the rear pump housing (4), a front guard plate (5) is arranged on the inner wall of the front pump housing (3), a rear guard plate (6) is arranged on the inner wall of the rear pump housing (4), an impeller (7) is rotatably connected to the rear guard plate (6), an output end of the bearing seat (2) is fixedly connected to the impeller (7), characterized in that: Also includes: A protective water injection assembly (100), wherein the protective water injection assembly (100) is arranged between the front guard plate (5) and the rear guard plate (6); a liquid inlet pipeline (8), the liquid inlet pipeline (8) being connected between the front pump housing (3) and the front guard plate (5), the liquid inlet pipeline (8) being connected to the impeller (7), the liquid inlet pipeline (8) being connected to a bendable delivery pipeline (9), a bending drive component (200) being provided between the delivery pipeline (9) and the liquid inlet pipeline (8), and a shock-absorbing water injection component (300) being provided in the delivery pipeline (9); A liquid outlet pipeline (10), the liquid outlet pipeline (10) is connected between the front pump housing (3) and the rear pump housing (4), the liquid outlet pipeline (10) is connected to an external box (48), a solid-liquid separation component (400) is provided on the external box (48), and a combined liquid supply component (500) is provided on the external box (48), and the combined liquid supply component (500) is used to supply water to the protective water injection component (100) and the shock-absorbing water injection component (300).

2. The centrifugal water pump with internal anti-deposition according to claim 1, characterized in that: The protective water injection assembly (100) comprises: an annular mounting plate (11), the annular mounting plate (11) being fixedly connected to the front guard plate (5) and the rear guard plate (6); an annular water storage cylinder (12), the annular water storage cylinder (12) being arranged between the two annular mounting plates (11), the annular water storage cylinder (12) being arranged between the front guard plate (5) and the rear guard plate (6), the annular water storage cylinder (12) being connected to a water injection pipe (13), the outer wall of the water injection pipe (13) being fixedly connected to the inner wall of the liquid outlet pipeline (10), and the water injection pipe (13) penetrating the liquid outlet pipeline (10); Wherein, a plurality of mounting grooves are provided on a side of the annular water storage cylinder (12) close to the impeller (7), and a support plate (14) is provided in the mounting groove; A water injection head (15) is connected between the support plate (14) and the inner wall of the annular water storage cylinder (12), and a solenoid valve is arranged on the water injection head (15).

3. The centrifugal water pump with internal anti-deposition according to claim 2, characterized in that: The middle part of the delivery pipe (9) is a rigid delivery pipe section (16), and both ends of the rigid delivery pipe section (16) are connected to curved metal pipe sections (17), and one of the curved metal pipe sections (17) is connected to the liquid inlet pipeline (8).

4. The centrifugal water pump with internal anti-deposition according to claim 3, characterized in that: The bending drive assembly (200) comprises: A sliding track (18), wherein the sliding track (18) is fixedly connected to the rigid conveying pipe section (16), and a rotating shaft (19) is slidably connected inside the sliding track (18); A driving electric cylinder (20), wherein a rotating shaft seat (21) is arranged on the liquid inlet pipeline (8), and the driving electric cylinder (20) is rotatably arranged on the rotating shaft seat (21); An elastic pushing member is provided between the output end of the driving electric cylinder (20) and the rotating shaft member (19).

5. The centrifugal water pump with internal anti-deposition according to claim 4, characterized in that: The elastic pushing member comprises: A sliding cylinder (22), the sliding cylinder (22) is rotatably connected to the rotating shaft (19), a sliding plate (23) is slidably arranged in the sliding cylinder (22), and the output end of the driving electric cylinder (20) is fixedly connected to the sliding plate (23); A spring damper (24) is provided between the sliding plate (23) and the inner wall of the sliding cylinder (22).

6. The centrifugal water pump with internal anti-deposition according to claim 5, characterized in that: The shock-absorbing water injection assembly (300) comprises: A shock absorbing seat (25), wherein the number of the shock absorbing seats (25) is set to be multiple, and the multiple shock absorbing seats (25) are all arranged on the inner wall of the curved metal pipe section (17), and a curved sealing plate (26) is arranged between two adjacent shock absorbing seats (25); An arc-shaped cylinder (27), wherein the number of the arc-shaped cylinders (27) is set to be multiple, the arc-shaped cylinder (27) is fixedly connected between the multiple shock-absorbing seats (25), a curved installation section (28) is provided in the middle of the arc-shaped cylinder (27), and the multiple arc-shaped cylinders (27) are connected through a connecting pipe; A drainage head (29), one side of the arc-shaped cylinder (27) is connected to a plurality of the drainage heads (29).

7. The centrifugal water pump with internal anti-deposition according to claim 6, characterized in that: The solid-liquid separation component (400) comprises: A filter plate layer (30), wherein a through opening is communicated between the external box (48) and the liquid outlet pipeline (10), and the filter plate layer (30) is arranged in the through opening; A sliding groove body (31), the sliding groove body (31) is fixedly connected to both sides of the top inner wall of the external device box (48), and a sliding block (32) is slidably connected inside the sliding groove body (31); A winding cylinder (33), the winding cylinder (33) is rotatably connected to one side of the inner part of the external box (48) via a rotating seat, a closed wrapping tape (34) is wound on the winding cylinder (33), one side of the closed wrapping tape (34) is fixedly connected to the two sliding blocks (32), a closed frame (35) is fixedly connected to the bottom end of the filter plate layer (30), and the closed frame (35) is in contact with the closed wrapping tape (34) and the top ends of the two sliding troughs (31); A rotating roller body (36), the rotating roller body (36) is also rotatably connected to the other side of the inside of the external box body (48) through the rotating seat, and winding wheels (37) are arranged on both sides of the rotating roller body (36), and a traction rope (38) is wound around the winding wheel (37), and one end of the traction rope (38) is fixedly connected to the sliding block (32) located on the same side; Wherein, a rotating assembly is arranged between the winding cylinder (33) and the rotating roller (36) and the external box (48).

8. The centrifugal water pump with internal anti-deposition according to claim 7, characterized in that: Also includes: A supporting roller body (39), one end corresponding to each of the two sliding groove bodies (31) is rotatably connected with a plurality of the supporting roller bodies (39), and the supporting roller bodies (39) are in contact with the bottom end of the unfolding area of ​​the closing strap (34).

9. The centrifugal water pump with internal anti-deposition according to claim 8, characterized in that: The combined liquid supply assembly (500) comprises: A liquid discharge interface (40), wherein the bottom of the external box (48) is connected to two of the liquid discharge interfaces (40), both of the two liquid discharge interfaces (40) are provided with a booster valve, and the water injection pipe (13) is connected to one of the liquid discharge interfaces (40); A water supply pipe (41), the other of the liquid discharge interfaces (40) is connected to the water supply pipe (41), and the water supply pipe (41) is connected to the corresponding two arc-shaped cylinders (27); A water supply pipe (42), the bottom of the external box (48) is connected to the water supply pipe (42).

10. The centrifugal water pump with internal anti-deposition according to claim 9, characterized in that: Also includes: A fixed frame assembly (600) is provided between the liquid inlet pipeline (8) and the hard delivery pipe section (16).

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