Desulfurization pump convenient for impeller maintenance

Abstract

The desulfurization pump comprises a desulfurization pump body and a water inlet pipe, a first impeller is rotationally connected to the interior of the desulfurization pump body, a mounting plate is fixedly connected to the side, facing the desulfurization pump body, of the water inlet pipe, embedded blocks are fixedly connected to the two sides of the mounting plate, and mounting screw rods are in threaded connection with the interiors of the embedded blocks; a contact plate is fixedly connected to the interior of the side, facing the water inlet pipe, of the desulfurization pump, a ring groove is formed in the contact plate, an embedding ring matched with the ring groove is fixedly connected to one side of the mounting plate, and two sets of embedding grooves matched with the embedding blocks are formed in the side, facing the desulfurization pump, of the desulfurization pump; and a threaded hole matched with a mounting screw rod is formed in the embedded groove, so that the desulfurization pump can be simply disassembled, and the impeller of the desulfurization pump can be effectively maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of desulfurization pump equipment, in particular to a desulfurization pump which is convenient for impeller maintenance. Background Art

[0002] The desulfurization pump is a corrosion-resistant pump, mainly used to transport corrosive liquids or liquids containing solid particles. The desulfurization pump is mainly used in flue gas desulfurization systems to transport liquids containing oxidants and desulfurizers to the desulfurization tower to achieve flue gas desulfurization. It works based on the principles of centrifugal force and pressure difference, can withstand the erosion of high-concentration desulfurization liquids, and is an indispensable equipment in flue gas desulfurization systems.

[0003] When the impeller of the desulfurization pump is corroded, the motor structure at the rear end needs to be disassembled to remove the impeller. If the impeller needs to be inspected, disassembling the motor at the rear end will complicate the disassembly of the desulfurization pump structure and is inconvenient for daily maintenance. Utility Model Content

[0004] The utility model aims to provide a desulfurization pump which is convenient for impeller maintenance, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a desulfurization pump which is easy to maintain an impeller, comprising a desulfurization pump and a water inlet pipe, wherein a first impeller is rotatably connected inside the desulfurization pump, a mounting plate is fixedly connected to the side of the water inlet pipe facing the desulfurization pump, embedded blocks are fixedly connected on both sides of the mounting plate, mounting screws are threadedly connected inside the embedded blocks, a contact plate is fixedly connected to the side of the desulfurization pump facing the water inlet pipe, an annular groove is provided inside the contact plate, an embedded ring matching the annular groove is fixedly connected to one side of the mounting plate, two groups of embedded grooves matching the embedded blocks are provided on the side of the desulfurization pump facing the desulfurization pump, and threaded holes matching the mounting screws are provided inside the embedded grooves.

[0006] Preferably, a filter is slidably connected to the inside of the water inlet pipe, and a rotating shaft is rotatably connected to the middle of the side of the filter away from the desulfurization pump, a second impeller is fixedly connected to one end of the rotating shaft, two groups of mounting rods are fixedly connected to the outside of the rotating shaft, two groups of mounting columns are fixedly connected to the side of the mounting rod facing the filter, and a scraper is fixedly connected to the other end of the mounting column.

[0007] Preferably, the other end of the rotating shaft penetrates through the filter screen to form a mounting hole, a limiting hole communicating with the mounting hole is formed inside the rotating shaft, a rotating plate is fixedly connected to one side of the desulfurization pump, an insertion rod matching the mounting hole is fixedly connected to one side of the rotating plate, limiting blocks matching the limiting holes are fixedly connected on both sides of the insertion rod, and two groups of curved scrapers are fixedly connected on both sides of the rotating plate.

[0008] Preferably, two groups of mounting grooves are provided on the side of the water inlet pipe facing the desulfurization pump, a rotating groove connected to the mounting groove is provided inside the water inlet pipe, a locking groove connected to the rotating groove is provided inside the water inlet pipe, the locking groove is set in the same direction as the airflow direction, and two groups of mounting plates matching the mounting grooves are fixedly connected on both sides of the filter net.

[0009] Preferably, a protective net is fixedly connected to the interior of one end of the desulfurization pump away from the water inlet pipe.

[0010] Preferably, a control groove communicated with the rotating groove is opened inside the water inlet pipe, a sliding rod is fixedly connected inside the control groove, a connecting ear is slidably connected to the outside of the sliding rod, a pushing piece is fixedly connected between the connecting ears on both sides, the pushing piece is slidably connected to the inside of the rotating groove, a spring is fixedly connected to one side of the connecting ear, the spring is sleeved on the outside of the sliding rod, and the other end of the spring is fixedly connected to the inner wall of the control groove.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model uses a mounting plate, a contact plate, an embedding ring, an embedding groove, an embedding block, an annular groove, a mounting screw, a threaded hole, a mounting plate, a desulfurization pump, and a first impeller in coordination, wherein the mounting plate is mounted to the contact plate, the embedding ring is inserted into the annular groove, the embedding ring adopts a rubber structure to prevent water leakage, the embedding block is inserted into the embedding groove, and is fixed in the threaded hole by the mounting screw, so that the mounting plate can be disassembled and assembled, and the first impeller inside the desulfurization pump can be easily repaired, the desulfurization pump can be easily disassembled, and the impeller of the desulfurization pump can be effectively repaired;

[0013] The utility model also installs the filter screen to the water inlet pipe through the coordinated use of the filter screen, the water inlet pipe, the second impeller, the mounting rod, the mounting column, the scraper, the insertion rod, the mounting hole, the limit block, the limit hole, the rotating shaft, the rotating sheet, the curved scraper and the desulfurization pump. The airflow drives the second impeller to rotate, and the scraper is driven to rotate through the mounting rod and the mounting column to clean the filter screen. The insertion rod is inserted into the mounting hole, and the limit block enters the limit hole, so that the rotating shaft drives the rotating sheet to rotate through the insertion rod, and the curved scraper rotates to clean the inner wall of the desulfurization pump, thereby preventing a large amount of impurities from accumulating inside the desulfurization pump, which would cause the impeller to be easily damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first viewing angle;

[0015] Figure 2 This is a schematic diagram of the desulfurization pump structure from the second viewing angle of the utility model;

[0016] Figure 3 This is a schematic diagram of the filter structure of the utility model from the third viewing angle;

[0017] Figure 4 This is a schematic diagram of the filter structure of the utility model from the fourth viewing angle;

[0018] Figure 5 This is a schematic diagram of the water inlet pipe structure of the utility model from the fifth viewing angle;

[0019] Figure 6 This is a cross-sectional view of the water inlet pipe structure from the sixth viewing angle of the utility model.

[0020] In the figure: 1. desulfurization pump; 2. first impeller; 3. water inlet pipe; 4. mounting plate; 5. mounting groove; 6. rotating groove; 7. locking groove; 8. control groove; 9. sliding rod; 10. spring; 11. push plate; 12. ear; 13. filter screen; 14. mounting plate; 15. rotating shaft; 16. second impeller; 17. mounting rod; 18. mounting column; 19. scraper; 20. protective net; 21. mounting hole; 22. limiting hole; 23. embedded ring; 24. embedded block; 25. mounting screw; 26. contact plate; 27. ring groove; 28. embedded groove; 29. ​​threaded hole; 30. rotating plate; 31. curved scraper; 32. insertion rod; 33. limiting block. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-6 The utility model provides a technical solution: a desulfurization pump that is easy to repair the impeller, comprising a desulfurization pump 1, a water inlet pipe 3, a first impeller 2 is rotatably installed inside the desulfurization pump 1, a mounting plate 4 is fixedly welded on the side of the water inlet pipe 3 facing the desulfurization pump 1, an embedded block 24 is fixedly welded on both sides of the mounting plate 4, a mounting screw 25 is threadedly installed inside the embedded block 24, a contact plate 26 is fixedly welded on the side of the desulfurization pump 1 facing the water inlet pipe 3, used to fix the position of the mounting plate 4, and an annular groove 27 is opened inside the contact plate 26 An embedding ring 23 with a matching ring groove 27 is fixedly welded on one side of the mounting plate 4. The embedding ring 23 adopts a rubber structure to prevent water leakage. Two sets of embedding grooves 28 matching the embedding blocks 24 are provided on the side of the desulfurization pump 1 facing the desulfurization pump 1. A threaded hole 29 matching the mounting screw 25 is provided inside the embedding groove 28. By inserting the embedding block 24 into the embedding groove 28 and fixing it in the threaded hole 29 through the mounting screw 25, the mounting plate 4 can be disassembled and assembled, and the first impeller 2 inside the desulfurization pump 1 can be easily repaired;

[0023] A filter screen 13 is slidably installed inside the water inlet pipe 3 to prevent impurities in the water from entering the desulfurization pump 1 and causing damage to the first impeller 2 of the desulfurization pump 1. A rotating shaft 15 is rotatably installed in the middle of the side of the filter screen 13 away from the desulfurization pump 1. A second impeller 16 is fixedly welded at one end of the rotating shaft 15. Two groups of mounting rods 17 are fixedly welded on the outside of the rotating shaft 15. Two groups of mounting columns 18 are fixedly welded on the side of the mounting rod 17 facing the filter screen 13. A scraper 19 is fixedly welded at the other end of the mounting column 18. The airflow drives the second impeller 16 to rotate, and the scraper 19 is driven to rotate through the mounting rod 17 and the mounting column 18 to clean the filter screen 13; rotation The other end of the shaft 15 penetrates the filter screen 13 and is provided with a mounting hole 21 inside. A limiting hole 22 communicating with the mounting hole 21 is provided inside the rotating shaft 15. A rotating piece 30 is fixedly welded on one side of the desulfurization pump 1. An insertion rod 32 matching the mounting hole 21 is fixedly welded on one side of the rotating piece 30. Limiting blocks 33 matching the limiting holes 22 are fixedly welded on both sides of the insertion rod 32. Two sets of curved scrapers 31 are fixedly welded on both sides of the rotating piece 30. After the mounting plate 4 is installed, the insertion rod 32 is inserted into the mounting hole 21, and the limiting block 33 enters the limiting hole 22, so that the rotating shaft 15 drives the rotating piece 30 to rotate through the insertion rod 32, and the curved scraper 31 Rotate to clean the inner wall of the desulfurization pump 1; two groups of mounting grooves 5 are provided on the side of the water inlet pipe 3 facing the desulfurization pump 1, a rotating groove 6 communicating with the mounting groove 5 is provided inside the water inlet pipe 3, and a locking groove 7 communicating with the rotating groove 6 is provided inside the water inlet pipe 3. The setting direction of the locking groove 7 is the same as the airflow direction, so that the filter 13 can be installed more securely. Two groups of mounting pieces 14 matching the mounting grooves 5 are fixedly welded on both sides of the filter 13. The mounting pieces 14 on both sides of the filter 13 are inserted into the rotating groove 6 along the mounting groove 5 and rotated into the locking groove 7 to achieve the installation of the filter 13; the desulfurization pump 1 is fixedly welded inside the end away from the water inlet pipe 3 A protective net 20 is provided to prevent the second impeller 16 from being damaged and falling off along the water inlet pipe 3 and entering the outside of the water inlet pipe 3; a control groove 8 communicating with the rotating groove 6 is provided inside the water inlet pipe 3, a sliding rod 9 is fixedly welded inside the control groove 8, a connecting ear 12 is slidably connected to the outside of the sliding rod 9, a pushing piece 11 is fixedly welded between the connecting ears 12 on both sides, the pushing piece 11 is slidably connected to the inside of the rotating groove 6, a spring 10 is fixedly welded on one side of the connecting ear 12, the spring 10 is sleeved on the outside of the sliding rod 9, the other end of the spring 10 is fixedly welded to the inner wall of the control groove 8, the spring 10 pushes the connecting ear 12, and the pushing piece 11 pushes the mounting piece 14 to be fixed inside the locking groove 7.

[0024] Working principle: When the utility model is in use, the mounting plate 4 is installed to the contact plate 26, and the embedded ring 23 is inserted into the ring groove 27. The embedded ring 23 adopts a rubber structure to prevent water leakage. The embedded block 24 is inserted into the embedded groove 28 and fixed in the threaded hole 29 by the mounting screw 25 to realize the disassembly and assembly of the mounting plate 4, which can facilitate the maintenance of the first impeller 2 inside the desulfurization pump 1. The filter screen 13 is installed to the water inlet pipe 3, and the airflow drives the second impeller 16 to rotate. The scraper 19 is driven to rotate through the mounting rod 17 and the mounting column 18 to clean the filter screen 13. The insertion rod 32 is inserted into the mounting hole 21, and the limit block 33 enters the limit hole 22, so that the rotating shaft 15 drives the rotating sheet 30 to rotate through the insertion rod 32, and the curved scraper 31 rotates to clean the inner wall of the desulfurization pump 1.

[0025] 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.

[0026] 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 desulfurization pump for easy maintenance of an impeller, comprising a desulfurization pump (1) and a water inlet pipe (3), characterized in that: The desulfurization pump (1) is rotatably connected to a first impeller (2) inside. A mounting plate (4) is fixedly connected to the side of the water inlet pipe (3) facing the desulfurization pump (1). Embedded blocks (24) are fixedly connected to both sides of the mounting plate (4). A mounting screw (25) is threadedly connected to the inside of the embedded block (24). A contact plate (26) is fixedly connected to the inside of the desulfurization pump (1) facing the water inlet pipe (3). An annular groove (27) is provided inside the contact plate (26). An embedded ring (23) matching the annular groove (27) is fixedly connected to one side of the mounting plate (4). Two sets of embedded grooves (28) matching the embedded blocks (24) are provided on the side of the desulfurization pump (1) facing the desulfurization pump (1). A threaded hole (29) matching the mounting screw (25) is provided inside the embedded groove (28).

2. A desulfurization pump that facilitates impeller maintenance according to claim 1, characterized in that: A filter screen (13) is slidably connected inside the water inlet pipe (3); a rotating shaft (15) is rotatably connected to the middle of a side of the filter screen (13) away from the desulfurization pump (1); a second impeller (16) is fixedly connected to one end of the rotating shaft (15); two groups of mounting rods (17) are fixedly connected to the outside of the rotating shaft (15); two groups of mounting columns (18) are fixedly connected to the side of the mounting rods (17) facing the filter screen (13); and a scraper (19) is fixedly connected to the other end of the mounting column (18).

3. A desulfurization pump that facilitates impeller maintenance according to claim 2, characterized in that: The other end of the rotating shaft (15) penetrates through the filter screen (13) to form a mounting hole (21), the rotating shaft (15) has a limit hole (22) in communication with the mounting hole (21), one side of the desulfurization pump (1) is fixedly connected to a rotating plate (30), one side of the rotating plate (30) is fixedly connected to an insertion rod (32) matching the mounting hole (21), both sides of the insertion rod (32) are fixedly connected to limit blocks (33) matching the limit hole (22), and both sides of the rotating plate (30) are fixedly connected to two sets of curved scrapers (31).

4. A desulfurization pump that facilitates impeller maintenance according to claim 2, characterized in that: The water inlet pipe (3) is provided with two groups of mounting grooves (5) on the side facing the desulfurization pump (1), the water inlet pipe (3) is provided with a rotation groove (6) communicating with the mounting groove (5), the water inlet pipe (3) is provided with a locking groove (7) communicating with the rotation groove (6), the locking groove (7) is arranged in the same direction as the air flow direction, and two groups of mounting plates (14) matching the mounting grooves (5) are fixedly connected to both sides of the filter screen (13).

5. A desulfurization pump that facilitates impeller maintenance according to claim 1, characterized in that: A protective net (20) is fixedly connected to the interior of one end of the desulfurization pump (1) away from the water inlet pipe (3).

6. A desulfurization pump that facilitates impeller maintenance according to claim 1, characterized in that: A control groove (8) communicating with the rotating groove (6) is provided inside the water inlet pipe (3); a sliding rod (9) is fixedly connected inside the control groove (8); a connecting ear (12) is slidably connected to the outside of the sliding rod (9); a push piece (11) is fixedly connected between the connecting ears (12) on both sides; the pushing piece (11) is slidably connected to the inside of the rotating groove (6); a spring (10) is fixedly connected to one side of the connecting ear (12); the spring (10) is sleeved on the outside of the sliding rod (9); and the other end of the spring (10) is fixedly connected to the inner wall of the control groove (8).

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