Anti-blocking slurry pump with double spiral impellers

Abstract

The utility model relates to the technical field of slurry pumps, in particular to a double-helix impeller anti-blocking slurry pump which comprises a bearing seat, a communicating pipe and a fixing frame, the communicating pipe is connected to the outer wall of the lower end of an extension pipe through a flange, a reduction gear box is connected to the outer wall of the upper end of a fixing plate through a screw, and the output end of the reduction gear box is connected with a driving shaft. A fixing frame is arranged on the outer side of the communicating pipe, a connecting shaft is rotatably installed at the lower end of the inner wall of the fixing frame, a sewage suction pipe is connected to the outer wall of the upper end of the connecting shaft through screws, sieve plates distributed in a circular array are installed on the outer wall of the sewage suction pipe in an embedded mode, and second crushing teeth distributed in parallel at equal intervals are installed on the outer walls of the two sides of the sewage suction pipe; the pump body can be prevented from being blocked by solid objects, the pumping smoothness and pumping efficiency of the pump body to the slag slurry can be guaranteed, the solid objects can be extruded and crushed, the crushed solid objects can be pumped and conveyed according to the size, the relative cleanliness of the outer side of the filter plate is guaranteed, and the pumping efficiency of the sewage suction pipe to the slag slurry is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of slag slurry pump, specifically relates to a double helical impeller anti - jamming slag slurry pump. BACKGROUND

[0002] Slag slurry pump is mainly used for conveying slurry containing solid particles, which can extract and transport the mixture of solid and fluid. Under the driving of the matched power source, the pump shaft drives the impeller to rotate at high speed, forming a low pressure area in the center of the impeller. The external fluid is sucked into the center of the impeller through the suction pipeline and suction chamber under the push of atmospheric pressure or pump front system pressure. Then, the blade works on the fluid, making it accelerate outward under the action of centrifugal force. The kinetic energy is converted into pressure energy, and finally discharged from the outlet of the pump to realize continuous conveying.

[0003] The utility model discloses a slag slurry pump self -cleaning mechanism discloses a slag slurry pump, the slag slurry pump includes rear end shell and front end shell, is equipped with the turbine in the rear end shell, is equipped with a plurality of equal -angle division arrangement's blade on the turbine, the outer wall one side of front end shell is equipped with the feed end, the inner wall of front end shell is fixed with fixed disc, fixed disc is coaxial with the opposite setting of turbine, is equipped with the through -hole on fixed disc, the through -hole is connected with the feed end and is arranged, the side of fixed disc away from front end shell is equipped with a plurality of sliding groove, a plurality of sliding grooves are arranged at equal -angle distance, the sliding groove is slidably connected with the sliding block matched with it on the sliding groove, the side of sliding block away from the sliding groove is fixed mounting seat, the utility model discloses simple structure, need not to provide additional power, can realize the self -cleaning operation of blade, effectively promotes the pump suction efficiency and service life of turbine, has market prospect, is fit for promotion.

[0004] The prior art CN216518658U has many benefits, but still has the following problems. The filtration of slag slurry is not perfect. Large size solid objects in the slag slurry will flow into the interior of the slag slurry pump, causing the impeller in the interior of the slag slurry pump to be blocked, affecting the smoothness of the slag slurry pump in conveying the slag slurry. UTILITY MODEL CONTENTS

[0005] In view of the problems in the prior art, the utility model provides a double helical impeller anti - jamming slag slurry pump.

[0006] The utility model discloses a double helical impeller anti -clogging slurry pump that solves the technical problems thereof adopts the technical scheme, which is a double helical impeller anti -clogging slurry pump, which comprises a bearing seat, a communicating pipe and a fixing frame, the outer wall screw joint of bearing seat one end is provided with the sheath, the sheath is provided with the pump body in, the pump body is rotatably installed with the impeller disc in, the flange connection of pump body through sheath's slurry inlet end is provided with the extension pipe, the flange connection of extension pipe lower extreme outer wall is provided with the communicating pipe, the fixed plate is screw connected on the inner wall one side of communicating pipe, the fixed plate upper end outer wall screw joint is provided with the reduction gear box, the output end of reduction gear box is connected with the drive shaft, the fixed frame is provided with the fixed frame outside communicating pipe, the inner wall lower end of fixed frame is rotatably installed with the connecting shaft, the suction pipe is screw connected on the connecting shaft upper end outer wall, the sieve plate of circular array distribution is embedded and installed on the suction pipe outer wall, the second broken tooth of equidistance parallel distribution is installed on the both sides outer wall of suction pipe.

[0007] By adopting the above technical scheme, the impeller disc can be driven to rotate by the pump shaft inside the pump body, so that the extraction and delivery of slurry can be realized by the function of the helical blade, ensuring the pumping effect of the slurry, and the pump body position can be adapted to the slurry stacking position through the extension pipe, and the slurry can be pumped by cooperating with the suction pipe and the sieve plate, the sieve plate can filter the solid objects in the slurry that can cause blockage, avoiding the solid objects that can cause blockage directly entering the pump body, so that the pump body can be prevented from being blocked by the solid objects, ensuring the smoothness and efficiency of the pump body pumping the slurry, the rotation of the impeller disc can drive the reduction gear box to work through the linkage shaft, universal joint and input shaft, and the drive shaft and suction pipe of the drive output end of the reduction gear box are driven to rotate after reducing the speed of the input shaft, and due to the suction of the pump body to the slurry, the solid objects can be adsorbed on the outside of the filter plate, so that the solid objects can be driven to rotate with the suction pipe until they move to the overlapping position of the first broken tooth and the second broken tooth, and through the overlapping of the first broken tooth and the second broken tooth, the solid objects can be crushed by extrusion, so that the size of the crushed solid objects can be sucked and delivered, avoiding the solid objects that can cause blockage being continuously attached to the outside of the filter plate by suction, ensuring the relative cleanliness of the outside of the filter plate, ensuring the suction efficiency of the suction pipe to the slurry, avoiding the phenomenon of filter plate blockage, and the size of the filter hole in the filter plate can be adjusted by the staff according to the actual use demand.

[0008] Specifically, the inner wall of the impeller disc is provided with helical blades on both sides, the bearing seat is rotatably installed with a pump shaft for transmitting power inside, and the pump shaft is connected with the outer wall of the impeller disc through the sheath and the pump body.

[0009] By adopting the above technical scheme, the two helical blades can be arranged in a double helix shape, so that the slurry can be more effectively pushed to flow when the pump shaft drives the impeller disc to rotate, ensuring the delivery capacity and efficiency of the pump, and the power source used in conjunction can drive the pump shaft to rotate and stably transmit power to the impeller disc through the bearing seat.

[0010] Specifically, the input shaft is connected with the input end of the reduction gearbox, the universal joint is rotatably installed on the outer wall of the upper end of the input shaft, the linkage shaft is installed on the outer wall of one side of the impeller disc, the other end of the linkage shaft is rotatably connected with the universal joint, and the input shaft is rotatably connected between the universal joint and the linkage shaft.

[0011] By adopting the above technical scheme, when the impeller disc rotates, part of the power can be transmitted to the reduction gearbox through the linkage shaft, the universal joint and the linkage shaft, the reduction gearbox can be driven to work, the reduction gearbox can adjust the rotating speed and the torque, the driving shaft of the output end of the reduction gearbox is controlled to slow down, the universal joint can adapt to the bending angle of the connecting pipe, the use flexibility and reliability of the equipment are ensured, and during the actual assembly of the connecting pipe, a curved external connecting pipe can be used at the bending part of the connecting pipe, the external connecting pipe is flange-connected with the connecting pipe, and therefore, the universal joint can be assembled inside the connecting pipe.

[0012] Specifically, the connecting frame is screw-connected to one side of the upper end of the inner wall of the suction pipe, the embedded groove is formed in the connecting frame, the inner wall of the embedded groove and the outer wall of the driving shaft are designed in a rectangular shape, and the driving shaft is located in the embedded groove.

[0013] By adopting the above technical scheme, the driving shaft is located in the embedded groove, the driving shaft and the connecting piece are tightly matched, the torque can be effectively transmitted, the power of the reduction gearbox can be reliably transmitted to the suction pipe, and the suction pipe can be driven to rotate to perform the suction and crushing operation.

[0014] Specifically, the O-shaped sealing ring with sealing function is fixedly attached to the upper end of the inner wall of the suction pipe, and the O-shaped sealing ring is in contact with the outer wall of the connecting pipe.

[0015] By adopting the above technical scheme, the O-shaped sealing ring can effectively prevent the leakage of the slurry at the connection part between the suction pipe and the connecting pipe, can ensure the rotating sealing performance of the suction pipe outside the connecting pipe, and can ensure the sealing performance and stability of the slurry conveying process.

[0016] Specifically, the connecting pieces for fixing the layout position are installed on the outer walls of the two sides of the upper end of the fixing frame, and the fixing piece is screw-connected between the connecting pieces and the outer wall of the connecting pipe.

[0017] By adopting the above technical scheme, the stable connection between the fixing frame and the connecting pipe is ensured, the position of the suction pipe outside the connecting pipe can be supported, the use position of the equipment is stable, and the equipment can be conveniently disassembled and maintained.

[0018] Specific, the fixed frame inner wall both sides are equipped with equidistant parallel distribution of the first broken tooth, the first broken tooth and the second broken tooth are staggered distribution, and the first broken tooth and the second broken tooth coincide with the broken space.

[0019] By adopting the above technical scheme, when the sewage suction pipe rotates, the first broken tooth and the second broken tooth cooperate with each other, can fully break the larger solid object outside the sewage suction pipe, further reduce the size of the solid object in the slurry, effectively prevent the pump body and pipeline blockage, improve the anti-blocking ability of the slurry pump.

[0020] The beneficial effects of the utility model are as follows:

[0021] (1) the utility model discloses a double helical impeller anti -clogging slurry pump can filter the solid object that can cause the blockage in the slurry of sieve plate, avoid the solid object that can cause the blockage directly into the pump body inside, can avoid the pump body and be blocked by solid, guarantee the pump body and send the smoothness and send the efficiency of slurry.

[0022] (2) the utility model discloses a double helical impeller anti -clogging slurry pump, the first broken tooth and the second broken tooth coincide, can realize the extrusion of solid object and break, make the size of solid object after breaking can be sucked and transported, avoid the solid object that can cause the blockage and be adhered to the filter plate outside by suction, guarantee the relative cleanness of filter plate outside, guarantee the suction efficiency of sewage suction pipe to slurry, avoid the phenomenon of filter plate blockage. DRAWINGS

[0023] The utility model is further described below in connection with the drawings and examples.

[0024] Figure 1 It is the bearing seat structure main schematic drawing of the utility model;

[0025] Figure 2 It is the pump body structure exploded schematic drawing of the utility model;

[0026] Figure 3 It is the communication pipe structure enlarged schematic drawing of the utility model;

[0027] Figure 4 It is the communication pipe structure exploded schematic drawing of the utility model;

[0028] Figure 5 It is the communication pipe structure cross section schematic drawing of the utility model;

[0029] Figure 6 It is the fixed frame structure exploded schematic drawing of the utility model.

[0030] In the figure: 1, bearing seat; 11, sheath; 12, pump body; 13, extension pipe; 14, pump shaft; 15, impeller disc; 16, linkage shaft; 2, communication pipe; 21, fixed plate; 22, reduction gear box; 23, input shaft; 24, universal joint; 25, drive shaft; 3, fixed frame; 31, first crushing tooth; 32, connecting shaft; 33, sewage suction pipe; 34, sieve plate; 35, connecting frame; 36, fitting groove; 37, O-shaped sealing ring; 38, second crushing tooth. DETAILED DESCRIPTION

[0031] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0032] In order to save manpower and improve efficiency, as an embodiment of the utility model, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 indicated, the utility model discloses a double helical impeller anti-clogging slurry pump, including bearing seat 1, communication pipe 2 and fixed frame 3, the outer wall screw of bearing seat 1 one end is connected with sheath 11, the inside of sheath 11 is provided with pump body 12, the inside rotation of pump body 12 is installed with impeller disc 15, the flange of the slurry inlet end of pump body 12 is connected with extension pipe 13 penetrating sheath 11, the flange of the lower end outer wall of extension pipe 13 is connected with communication pipe 2, the inner wall one side screw of communication pipe 2 is connected with fixed plate 21, the outer wall screw of fixed plate 21 upper end is connected with reduction gear box 22, the output end of reduction gear box 22 is connected with drive shaft 25, the outer side of communication pipe 2 is provided with fixed frame 3, the inner wall lower end rotation of fixed frame 3 is installed with connecting shaft 32, the outer wall screw of connecting shaft 32 upper end is connected with sewage suction pipe 33, the outer wall of sewage suction pipe 33 is embedded with sieve plate 34 of circular array distribution, the outer wall of sewage suction pipe 33 both sides is installed with equidistant parallel distribution second crushing tooth 38.

[0033] In use, the impeller disc 15 can be driven to rotate inside the pump body 12 by the pump shaft 14, so as to realize the pumping and conveying of the slurry through the helical blades, ensure the pumping effect of the slurry, and through the extension pipe 13, the position of the pump body 12 can be adapted to the position of the slurry depositing position, and cooperating with the suction pipe 33 and the sieve plate 34, the pumping and conveying of the slurry can be realized, the sieve plate 34 can filter the solid objects in the slurry that can cause blockage, so as to avoid the solid objects that can cause blockage directly entering the inside of the pump body 12, so as to avoid the pump body 12 being blocked by the solid objects, ensure the pumping and conveying fluency and efficiency of the pump body 12 to the slurry, the rotation of the impeller disc 15 can drive the reduction gear box 22 to work through the linkage shaft 16, the universal joint 24 and the input shaft 23, the reduction gear box 22 drives the driving shaft 25 and the suction pipe 33 to rotate after reducing the rotating speed of the input shaft 23, and due to the suction of the pump body 12 to the slurry, the solid objects can be adsorbed on the outside of the filter plate, so as to drive the solid objects to rotate with the suction pipe 33, until moving to the overlapping position of the first crushing teeth 31 and the second crushing teeth 38, through the overlapping of the first crushing teeth 31 and the second crushing teeth 38, the solid objects can be crushed, so that the size of the crushed solid objects can be pumped and conveyed, avoid the solid objects that can cause blockage being continuously attached to the outside of the filter plate by suction, ensure the relative cleanliness of the outside of the filter plate, ensure the pumping efficiency of the suction pipe 33 to the slurry, avoid the phenomenon of filter plate blockage, and the size of the filter hole in the filter plate can be adjusted by the staff according to the actual use demand.

[0034] In order to convey the slurry, for example, as shown in Figure 2 The two sides of the inner wall of the impeller disc 15 are provided with helical blades, the bearing seat 1 is rotatably provided with a pump shaft 14 for transmitting power, and the pump shaft 14 penetrates the sleeve 11 and the pump body 12 and is connected with the outer wall of the impeller disc 15.

[0035] In use, the two helical blades can be arranged in a double helix shape, so that when the pump shaft 14 drives the impeller disc 15 to rotate, the slurry can be more effectively pushed to flow, ensuring the conveying capacity and efficiency of the pump, and the matching power source can drive the pump shaft 14 to rotate and stably transmit power to the impeller disc 15 through the bearing seat 1.

[0036] In order to link and rotate, for example, as shown in Figure 3 The input end of the reduction gear box 22 is connected with an input shaft 23, the outer wall of the upper end of the input shaft 23 is rotatably provided with a universal joint 24, one side of the outer wall of the impeller disc 15 is provided with a linkage shaft 16, the other end of the linkage shaft 16 is rotatably connected with the universal joint 24, and the input shaft 23 is rotatably connected between the universal joint 24 and the linkage shaft 16.

[0037] In use, the impeller disc 15 can transmit part of the power to the speed reducer gear box 22 through the connecting shaft 16, the universal joint 24 and the connecting shaft 16 when rotating, can drive the speed reducer gear box 22 to work, and the speed reducer gear box 22 can adjust the rotating speed and the torque to ensure that the driving shaft 25 at the output end of the speed reducer gear box 22 is controlled to slow down, and the universal joint 24 can adapt to the bending angle of the communication pipe 2 to ensure the flexibility and reliability of the equipment. During the actual assembly of the communication pipe 2, a curved external connecting pipe can be used at the bending part of the communication pipe 2, and the external connecting pipe and the communication pipe 2 are connected by flanges, so as to facilitate the assembly of the universal joint 24 inside the communication pipe 2.

[0038] In order to drive rotation, for example, as shown in the drawings, the driving shaft 25 is connected to the connecting frame 35 on the inner wall of the suction pipe 33. Figure 6

[0039] In use, the driving shaft 25 is located in the embedded groove 36, which can ensure the close fit between the driving shaft 25 and the connecting piece, effectively transmit the torque, and reliably transmit the power of the speed reducer gear box 22 to the suction pipe 33 to drive the suction pipe 33 to rotate for suction and crushing operation.

[0040] In order to ensure sealing, for example, as shown in the drawings, the O-shaped sealing ring 37 for ensuring sealing is attached and fixed to the upper end of the inner wall of the suction pipe 33, and the O-shaped sealing ring 37 is in contact with the outer wall of the communication pipe 2.

[0041] In use, the O-shaped sealing ring 37 can effectively prevent the leakage of slurry at the connection between the suction pipe 33 and the communication pipe 2, can ensure the rotating sealing of the suction pipe 33 outside the communication pipe 2, and can ensure the sealing and stability of the slurry conveying process.

[0042] In order to maintain the use position, for example, as shown in the drawings, the connecting pieces for fixing the layout position are installed on the outer walls of the both sides of the fixed frame 3, and the connecting pieces are screwed between the fixed pieces and the outer wall of the communication pipe 2. Figure 6

[0043] In use, the stable connection between the fixed frame 3 and the communication pipe 2 is ensured, the position of the suction pipe 33 outside the communication pipe 2 can be supported, the use position of the equipment is stable, and the equipment can be easily disassembled and maintained.

[0044] In order to crush, for example, as shown in the drawings, the suction pipe 33 is connected to the driving shaft 25 through the connecting frame 35 and the embedded groove 36. Figure 6 ​​As shown, the inner wall of the fixed frame 3 is provided with first breaking teeth 31 distributed in parallel at equal intervals on both sides, the first breaking teeth 31 and the second breaking teeth 38 are distributed in a staggered manner, and the overlapping parts of the first breaking teeth 31 and the second breaking teeth 38 are reserved for breaking space.

[0045] In use, when the sewage suction pipe 33 rotates, the first breaking teeth 31 and the second breaking teeth 38 cooperate with each other to fully break the larger solid objects outside the sewage suction pipe 33, further reduce the size of the solid objects in the slurry, effectively prevent the pump body 12 and the pipeline from being blocked, and improve the anti-blocking ability of the slurry pump.

[0046] In use, the slurry does work, realizes the extraction and transportation of the slurry, and the pump body 12 is connected to the extension pipe 13 and the communication pipe 2 at the slurry inlet end, and cooperates with the sewage suction pipe 33 and the sieve plate 34 to extract and transport the slurry.

[0047] When the impeller disc 15 rotates, the linkage shaft 16 installed on one side of the outer wall of the impeller disc 15 is rotationally connected to the input shaft 23 of the input end of the reduction gear box 22 through the universal joint 24, and part of the power is transmitted to the reduction gear box 22.

[0048] The driving shaft 25 is located in the embedded groove 36 of the connecting frame 35 of the sewage suction pipe 33, and can drive the sewage suction pipe 33 to rotate around the connecting shaft 32.

[0049] It should be noted that the utility model is a kind of double helical impeller anti-blocking slurry pump, the components in the utility model are components known to those skilled in the art, and the structure and principle thereof are known to those skilled in the art by technical manual or by conventional experimental method.

[0050] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A double-helix impeller anti-clogging slurry pump, characterized in that, The assembly includes a bearing housing (1), a connecting pipe (2), and a fixing frame (3). A sheath (11) is screwed to the outer wall of one end of the bearing housing (1). A pump body (12) is housed inside the sheath (11). An impeller disc (15) is rotatably mounted inside the pump body (12). An extension pipe (13) is connected to the inlet flange of the pump body (12) through the sheath (11). A connecting pipe (2) is connected to the outer flange of the lower end of the extension pipe (13). A fixing plate (21) is screwed to one side of the inner wall of the connecting pipe (2). 1) A reduction gearbox (22) is screwed to the upper outer wall. The output end of the reduction gearbox (22) is connected to a drive shaft (25). A fixing frame (3) is provided on the outside of the connecting pipe (2). A connecting shaft (32) is rotatably installed on the lower end of the inner wall of the fixing frame (3). A suction pipe (33) is screwed to the upper outer wall of the connecting shaft (32). A sieve plate (34) with a circular array is embedded in the outer wall of the suction pipe (33). Second crushing teeth (38) are installed on both sides of the outer wall of the suction pipe (33) in parallel at equal intervals.

2. The anti-clogging slurry pump with a double helical impeller according to claim 1, characterized in that, Helical blades are installed on both sides of the inner wall of the impeller disk (15). A pump shaft (14) for transmitting power is rotatably installed inside the bearing seat (1). The pump shaft (14) passes through the sleeve (11) and the pump body (12) and is connected to the outer wall of the impeller disk (15).

3. The anti-clogging slurry pump with a double helical impeller according to claim 1, characterized in that, The input end of the reduction gearbox (22) is connected to an input shaft (23). A universal joint (24) is rotatably installed on the outer wall of the upper end of the input shaft (23). A linkage shaft (16) is installed on the outer wall of one side of the impeller disk (15). The other end of the linkage shaft (16) is rotatably connected to the universal joint (24), and the input shaft (23) is rotatably connected to the linkage shaft (16) through the universal joint (24).

4. The anti-clogging slurry pump with a double helical impeller according to claim 1, characterized in that, The upper side of the inner wall of the suction pipe (33) is screwed to a connecting bracket (35). The connecting bracket (35) has a fitting groove (36) inside. The inner wall of the fitting groove (36) and the outer wall of the drive shaft (25) are both rectangular. The drive shaft (25) is located inside the fitting groove (36).

5. The anti-clogging slurry pump with a double helical impeller according to claim 1, characterized in that, The upper end of the inner wall of the suction pipe (33) is bonded with an O-ring (37) to ensure sealing, and the O-ring (37) is in contact with the outer wall of the connecting pipe (2).

6. The anti-clogging slurry pump with a double helical impeller according to claim 1, characterized in that, The upper ends of the outer walls on both sides of the fixing frame (3) are equipped with connectors for fixing the layout position, and the fixings are connected to the outer wall of the connecting pipe (2) by screws through the connectors.

7. The anti-clogging slurry pump with a double helical impeller according to claim 1, characterized in that, The inner wall of the fixed frame (3) is equipped with equal and parallel first crushing teeth (31) on both sides. The first crushing teeth (31) and the second crushing teeth (38) are staggered, and the overlapping part of the first crushing teeth (31) and the second crushing teeth (38) has a reserved crushing space.

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