CN116538102A - Anti-blocking high-flow vertical pipeline pump - Google Patents

Abstract

The invention discloses an anti-blocking high-flow vertical pipeline pump device, which comprises a vertical pipeline pump body, a Y-shaped double-channel inlet, shaft seal screws, a transmission shaft, a first pressurizing impeller, a second pressurizing impeller, vertical pipeline pump guide vanes, an axial force balancing device, a vertical pipeline pump outlet, an outer protective shell and a noise reduction motor system, wherein the Y-shaped double-channel inlet is formed in the vertical pipeline pump body; the first pressurizing impeller, the second pressurizing impeller, the guide vane of the vertical pipeline pump and the axial force balancing device are all arranged on the transmission shaft; the noise reduction motor system is internally provided with a motor system silencing spring and motor system silencing cotton. The Y-shaped double-channel inlet is adopted to be matched with the first pressurizing impeller and the second pressurizing impeller to jointly convey media, and then the axial force of the outlet of the vertical pipeline pump is balanced by the combined axial force balancing device; compared with the traditional vertical pipeline pump, the invention has better conveying performance and larger flow, and can greatly improve the defects of limited flow of the vertical pipeline pump, easy abrasion of parts and larger noise during operation.

Description

An anti-clogging large-flow vertical pipeline pump

technical field

The invention belongs to the field of fluid mechanical devices, in particular to an anti-blocking large-flow vertical pipeline pump device.

Background technique

The main structure of the vertical pipeline pump includes the pump body, impeller, motor and other parts. The pump body is generally in the shape of a long tube. It is a pump that can be installed vertically and is suitable for places with small spaces. Due to the particularity of its structure, vertical pipeline pumps have certain advantages in industrial application scenarios and are widely used in various fields, such as metallurgy, petroleum, chemical industry, natural gas transmission and agricultural irrigation, etc., and can be used to transport specific chemical liquids, acid, alkali, etc. However, the long-distance transportation of the traditional vertical pipeline pump is difficult, and the pump is prone to fouling, blockage and other faults, and is not suitable for conveying large flow. Therefore, it is of great practical significance to improve the design of the existing vertical pipeline pump so that it has higher delivery flow and delivery pressure, and reduces the shortcomings of easy wear of parts and loud noise during operation.

Contents of the invention

Aiming at the deficiencies in the prior art, the present invention provides an anti-clogging large-flow vertical pipeline pump device, which innovatively uses a Y-shaped double-channel inlet to cooperate with the first pressurized impeller and the second pressurized impeller to jointly transport the medium , combined with the axial force balance device to balance the axial force at the outlet of the vertical pipeline pump; compared with the traditional vertical pipeline pump, it has better conveying performance and larger flow rate, which can greatly improve the limited flow rate of the vertical pipeline pump , The disadvantages of easy wear and tear of parts and high noise during operation.

In order to achieve the above object, the technical scheme adopted in the present invention is:

An anti-clogging large-flow vertical pipeline pump device includes a vertical pipeline pump body, the vertical pipeline pump body has a first end and a second end, the first end is provided with two flow channel inlets, A vertical pipeline pump outlet is set on the side wall of the vertical pipeline pump body close to the second end; in the vertical pipeline pump body, a transmission is provided along the length direction of the vertical pipeline pump body. shaft, the transmission shaft runs through the second end of the pump body of the vertical pipeline pump; on the transmission shaft and along the direction from the first end to the second end, the first pressurized impeller is sequentially installed, and the second pressurized impeller Pressure impeller, vertical pipeline pump guide vane and axial force balance device;

A part of the transmission shaft that passes through the pump body of the vertical pipeline pump is connected with a noise reduction motor system, and the noise reduction motor system is connected at the end of the transmission shaft.

Further, an outer protective shell is set on the transmission shaft between the pump body of the vertical pipeline pump and the noise reduction motor system; the two flow passage inlets are combined into a Y-shaped double flow passage inlet, and the two flow passage inlets are combined. The inlets of the runners are respectively the inlets of the first runner and the second runner. The first runner and the second runner are arranged symmetrically along the horizontal central axis of the transmission shaft. The inlets of the two split channels are respectively provided with a first coarse particle filter plate and a second coarse particle filter plate;

The first coarse particle filter plate and the second coarse particle filter plate are made of steel mesh yarn with several fine holes, which can filter large particle size particles.

Further, a shaft seal screw is installed at the end of the transmission shaft close to the Y-shaped double-channel inlet; the first pressurized impeller includes a first pressurized impeller blade, a first pressurized impeller fixing groove and a first pressurized impeller. Pressure impeller hub; the blades of the first pressure impeller are connected to the outer side of the first pressure impeller hub; the first pressure impeller fixing groove is arranged on the inner side of the first pressure impeller hub, and the drive shaft and the second The first pressurized impellers are fixed to each other, so that the transmission shaft drives the first pressurized impellers to rotate synchronously.

Further, the second pressurized impeller includes a second pressurized impeller blade, a second pressurized impeller fixing groove and a second pressurized impeller hub; the second pressurized impeller blade is connected to the second pressurized impeller Outside the hub; the fixing groove of the second pressurized impeller is arranged inside the hub of the second pressurized impeller, and fixes the transmission shaft and the second pressurized impeller to each other, so that the transmission shaft drives the second pressurized impeller to rotate synchronously.

Further, the guide vane of the vertical pipeline pump includes a guide vane of the vertical pipeline pump, a guide vane bearing, a guide vane hub and a connecting wall of the guide vane pump body; the guide vane of the vertical pipeline pump is connected to the guide vane The outer side of the hub; the guide vane bearing is connected to the inner side of the guide vane hub, which can prevent the transmission shaft and the guide vane of the vertical pipeline pump from wearing each other; the connecting wall of the guide vane pump body is connected to the guide vane blade of the vertical pipeline pump The side away from the guide vane hub, and the connecting wall of the guide vane pump body and the pump body of the submersible axial flow pump are welded together.

Further, the axial force balance device includes an axial force balance blade, an axial force balance device fixing groove and an axial force balance device hub; the axial force balance blade is connected to the outside of the axial force balance device hub The fixing groove of the axial force balance device is connected to the inner side of the hub of the axial force balance device, and the transmission shaft and the axial force balance device are fixed to each other, so that the transmission shaft drives the axial force balance device to rotate synchronously.

Further, the noise reduction motor system includes a protective shell, a servo motor, a motor system silencer spring, and a motor system silencer cotton; the servo motor is placed in the protective shell, and the motor system silencer spring is installed between the protective shell and the motor; The sound-absorbing cotton of the motor system is placed in the gap between the protective shell, the servo motor and the sound-absorbing spring of the motor system.

Further, the shaft seal screw, drive shaft, first pressurized impeller, second pressurized impeller, vertical pipeline pump guide vane, and axial force balance device are all made of wear-resistant and corrosion-resistant ZG-225- 450 material forging; and the diameter ratio of the first pressurized impeller blade, the second pressurized impeller blade and the axial force balance blade is 1:1:0.6.

Further, the sealing between the outer protective shell and the pump body of the vertical pipeline pump and the noise reduction motor system is good, and the connection is stable;

The protective shell is well sealed; the motor system silencer springs are distributed symmetrically up and down along the central axis horizontal line of the protective shell, and there are 17 groups of motor system silencer springs on the upper and lower sides; the motor system silencer cotton is stuffed in the protective shell, servo motor and motor Inside the system muffler spring gap.

Further, the guide vane of the vertical pipeline pump, the first pressurized impeller, the second pressurized impeller and the axial force balance device are all welded together with the drive shaft.

By means of the above technical solutions, the beneficial effects of the present invention are as follows:

1. The present invention provides an anti-clogging large-flow vertical pipeline pump device. The device adopts the cooperation of the first coarse particle filter plate and the second coarse particle filter plate, which can fully prevent solid particles from impacting the pump body of the vertical pipeline pump. The first One pressurized impeller, the second pressurized impeller, vertical pipeline pump guide vane and axial force balance device, prolong the service life of the pump and improve the pump's delivery capacity;

2. The present invention provides an anti-clogging large-flow vertical pipeline pump device. The device adopts a Y-shaped double-channel inlet, and the first pressurized impeller and the second pressurized impeller are in parallel, which can not only improve the anti-clogging The delivery flow rate of the large-flow vertical pipeline pump device can also increase the delivery pressure of the anti-clogging large-flow vertical pipeline pump device;

3. The present invention provides an anti-clogging large-flow vertical pipeline pump device. The device uses the mutual cooperation of the motor system silencer spring and the motor system silencer cotton, which can effectively reduce the generation of anti-blockage large-flow vertical pipeline pump devices during operation. noise;

4. The present invention provides an anti-clogging large-flow vertical pipeline pump device. The device has a compact structure, good coaxiality and sealing performance. Compared with traditional vertical pipeline pumps, it has the characteristics of large flow and high delivery pressure, and has a longer service life. long.

In order to make the above and other objects, features and advantages of the present invention more comprehensible, preferred embodiments will be described in detail below together with the accompanying drawings.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a kind of anti-clogging large-flow vertical pipeline pump device structural representation of the present invention;

Fig. 2 is the structural representation of the Y-shaped double-flow channel inlet device of the present invention;

Fig. 3 is a schematic structural diagram of the first pressurized impeller of the present invention;

Fig. 4 is a schematic structural diagram of the second pressurized impeller of the present invention;

Fig. 5 is a schematic structural view of the guide vane of the vertical pipeline pump according to the present invention;

Fig. 6 is a schematic structural diagram of the axial force balance device of the present invention;

Fig. 7 is a schematic structural diagram of the noise reduction motor system of the present invention.

In the picture:

1. Vertical pipeline pump body;

2. Y-shaped double channel inlet; 21. The first coarse particle filter plate; 22. The first branch channel; 23. The second coarse particle filter plate; 24. The second branch channel; 25. The confluence channel;

3. Shaft seal screw; 4. Transmission shaft;

5. The first pressurized impeller; 51. The blade of the first pressurized impeller; 52. The fixing groove of the first pressurized impeller; 53. The hub of the first pressurized impeller;

6. The second pressurized impeller; 61. The blade of the second pressurized impeller; 62. The fixing groove of the second pressurized impeller; 63. The hub of the second pressurized impeller;

7. Vertical pipeline pump guide vane; 71. Vertical pipeline pump guide vane blade; 72. Guide vane bearing; 73. Guide vane hub; 74. Guide vane pump body connecting wall;

8. Axial force balance device; 81. Axial force balance blade; 82. Axial force balance device fixing slot; 83. Axial force balance device hub;

9. Vertical pipeline pump outlet; 10. Outer protective shell;

11. Noise reduction motor system; 111. Protective shell; 112. Servo motor; 113. Motor system noise reduction spring; 114. Motor system noise reduction cotton.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto. As shown in Figure 1-7, an anti-clogging large-flow vertical pipeline pump device includes a vertical pipeline pump body 1, a Y-shaped double-channel inlet 2, a shaft seal screw 3, a transmission shaft 4, and a first pressurized impeller 5. Second pressurized impeller 6, guide vane 7 of vertical pipeline pump, axial force balance device 8, outlet 9 of vertical pipeline pump, outer protective shell 10, noise reduction motor system 11.

The pump body 1 of the vertical pipeline pump has a first end and a second end, the first end is provided with a Y-shaped double-channel inlet 2, and the side wall of the vertical pipeline pump body 1 close to the second end The outlet 9 of the vertical pipeline pump is set on the top;

In the pump body 1 of the vertical pipeline pump, from the first end to the second end, there are shaft seal screws 3, transmission shaft 4, first pressurized impeller 5, second pressurized impeller 6, guide vane of the vertical pipeline pump 7 and the axial force balance device 8, and the first pressurized impeller 5, the second pressurized impeller 6, the vertical pipeline pump guide vane 7 and the axial force balance device 8 are all connected to the transmission shaft 4; wherein, the shaft seal screw 3 is installed on the end of the transmission shaft 4 close to the Y-shaped double-channel inlet 2; and the first pressurized impeller 5, the second pressurized impeller 6, the guide vane 7 of the vertical pipeline pump and the axial force balance device 8 are successively installed on the on drive shaft 4.

The two runner inlets of the Y-shaped double runner inlet 2 are the inlets of the first runner 22 and the second runner 24 respectively, and the confluence of the first runner 22 and the second runner 24 is the confluence channel mouth 25 ; and the first flow channel 22 and the second flow channel 24 are arranged symmetrically along the horizontal central axis of the transmission shaft 4, and the inlets of the first flow channel 22 and the second flow channel 24 are respectively provided with the first coarse particle filter Plate 21 and the second coarse particle filter plate 23, the first coarse particle filter plate 21 and the second coarse particle filter plate 23 are made of steel wire mesh yarn with some small holes, which can filter large particle diameter particles.

The transmission shaft 4 passes through the second end of the pump body 1 of the vertical pipeline pump, and the outer protective shell 10 and the noise reduction motor system 11 are connected to the part where the transmission shaft 4 passes through the pump body 1 of the vertical pipeline pump, and the noise reduction The motor system 11 is connected to the end of the transmission shaft 4;

As shown in Figure 3, the first pressurized impeller blade 51 is arranged on the first pressurized impeller 5, three devices of the first pressurized impeller fixed groove 52 and the first pressurized impeller hub 53; the first pressurized impeller blade 51 and The first pressurized impeller hub 53 is welded as one; the first pressurized impeller fixing groove 52 fixes the transmission shaft 4 and the first pressurized impeller 5 to each other, so that the transmission shaft 4 drives the first pressurized impeller 5 to rotate synchronously;

As shown in Figure 4, the second pressurized impeller blade 61 is arranged on the second pressurized impeller 6, three devices of the second pressurized impeller fixed groove 62 and the second pressurized impeller hub 63; the second pressurized impeller blade 61 and The second pressurized impeller hub 63 is welded as one; the second pressurized impeller fixing groove 62 fixes the transmission shaft 4 and the second pressurized impeller 6 mutually, so that the transmission shaft 4 drives the second pressurized impeller 6 to rotate synchronously;

As shown in Figure 5, the vertical pipeline pump guide vane 7 comprises vertical pipeline pump guide vane blade 71, guide vane bearing 72, guide vane hub 73 and guide vane pump body connecting wall 74 above four devices; vertical pipeline pump guide The vane blade 71 is welded together with the guide vane hub 73; the guide vane bearing 72 can reduce the mutual abrasion of the transmission shaft 4 and the guide vane 7 of the vertical pipeline pump; the guide vane pump body connecting wall 74 is welded to the pump body 1 of the submersible axial flow pump an integrated device;

As shown in Figure 6, axial force balance device 8 comprises axial force balance blade 81, three devices above axial force balance device fixed groove 82 and axial force balance device hub 83; The hub 83 of the force balance device is welded as one; the first axial force balance device fixing groove 82 fixes the transmission shaft 4 and the axial force balance device 8 to each other, so that the transmission shaft 4 drives the axial force balance device 8 to rotate synchronously;

Shaft seal screw 3, drive shaft 4, first pressurized impeller 5, second pressurized impeller 6, guide vane 7 of vertical pipeline pump, axial force balance device 8, all adopt wear-resistant and corrosion-resistant ZG-225 -450 material forging; and the diameter ratio of the first pressurized impeller blade, the second pressurized impeller blade and the axial force balance blade is 1:1:0.6;

The outlet 9 of the vertical pipeline pump is at the lower right of the axial force balance device 8; the outer protective shell 10 is installed on the transmission shaft 4 between the pump body 1 of the vertical pipeline pump and the noise reduction motor system 11;

The sealing between the outer protective shell 10 and the pump body of the vertical pipeline pump and the noise reduction motor system is good, and the connection is stable;

As shown in Figure 7, the noise reduction motor system 11 includes a protective shell 111, a servo motor 112, a motor system silencing spring 113, and a motor system silencing cotton 114; the motor system silencing spring 113 is installed in the middle of the protective shell 111 and the motor 112; the motor system Silencer cotton 114 is placed in the gap between the protective shell 111, the servo motor 112 and the motor system silencer spring 113;

The protective shell 111 is well sealed; the motor system silencer springs 113 are symmetrically distributed up and down along the central axis horizontal line of the protective shell 111, and there are 17 groups of motor system silencer springs 113 at the top and bottom; the motor system silencer cotton 114 is stuffed in the protective shell 111, the servo motor 112 and Motor system muffler spring 113 inside the gap;

The guide vane 7 of the vertical pipeline pump, the first pressurized impeller 5 , the second pressurized impeller 6 and the axial force balance device 8 are all welded with the transmission shaft 4 as a whole.

The described embodiment is a preferred implementation of the present invention, but the present invention is not limited to the above-mentioned implementation, without departing from the essence of the present invention, any obvious improvement, replacement or modification that those skilled in the art can make Modifications all belong to the protection scope of the present invention.

Claims (10)

1. An anti-blocking large-flow vertical pipeline pump device is characterized in that it comprises a vertical pipeline pump body (1), and the vertical pipeline pump body (1) has a first end and a second end, so The first end is provided with two runner inlets, and the vertical pipeline pump outlet (9) is set on the side wall of the vertical pipeline pump body (1) close to the second end; In the pump body (1), a transmission shaft (4) is provided along the length direction of the vertical pipeline pump body (1), and the transmission shaft (4) runs through the pump body (1) of the vertical pipeline pump. The second end; on the transmission shaft (4) and along the direction from the first end to the second end, the first pressurized impeller (5), the second pressurized impeller (6), and the guide of the vertical pipeline pump are sequentially connected. Leaf (7) and axial force balance device (8); The part where the transmission shaft (4) passes through the pump body (1) of the vertical pipeline pump is connected with a noise reduction motor system (11). 2. An anti-clogging large-flow vertical pipeline pump device according to claim 1, characterized in that, on the transmission shaft (4) and located in the vertical pipeline pump body (1) and the noise reduction motor system (11) is provided with an outer protective shell (10); two said runner inlets are combined into a Y-shaped double runner inlet (2), and the two said runner inlets are respectively the first runner (22) and the second The inlet of the runner (24), the first runner (22) and the second runner (24) are arranged symmetrically along the horizontal central axis of the transmission shaft (4), and the first runner (22) ) and the inlet of the second flow channel (24) are respectively provided with a first coarse particle filter plate (21) and a second coarse particle filter plate (23); The first coarse particle filter plate (21) and the second coarse particle filter plate (23) are made of steel wire gauze with several small holes, which can filter large particle diameter particles. 3. An anti-clogging large-flow vertical pipeline pump device according to claim 2, characterized in that a shaft seal is installed on the end of the transmission shaft (4) close to the Y-shaped double-channel inlet (2) Screw (3); the first pressurized impeller (5) includes the first pressurized impeller blade (51), the first pressurized impeller fixing groove (52) and the first pressurized impeller hub (53); the first pressurized impeller hub (53); A pressurized impeller blade (51) is connected to the outer side of the first pressurized impeller hub (53); the first pressurized impeller fixing groove (52) is arranged on the inner side of the first pressurized impeller hub (53), The transmission shaft (4) and the first pressurized impeller (5) are fixed to each other, so that the transmission shaft (4) drives the first pressurized impeller (5) to rotate synchronously. 4. A kind of anti-clogging large-flow vertical pipeline pump device according to claim 3, characterized in that, the second pressurized impeller (6) comprises a second pressurized impeller blade (61), and the second pressurized The impeller fixing groove (62) and the second pressurized impeller hub (63); the second pressurized impeller blade (61) is connected to the outside of the second pressurized impeller hub (63); the second pressurized impeller The fixing groove (62) is arranged on the inner side of the second pressurized impeller hub (63), and fixes the transmission shaft (4) and the second pressurized impeller (6) to each other, so that the transmission shaft (4) drives the second pressurized impeller (6) Rotate synchronously. 5. A kind of anti-clogging large-flow vertical pipeline pump device according to claim 4, characterized in that, the vertical pipeline pump guide vane (7) comprises a vertical pipeline pump guide vane blade (71), and the guide vane Bearing (72), guide vane hub (73) and guide vane pump body connecting wall (74); described vertical pipeline pump guide vane blade (71) is connected on the outside of described guide vane hub (73); The bearing (72) is connected on the inner side of the guide vane hub (73), which can prevent the transmission shaft (4) and the guide vane (7) of the vertical pipeline pump from wearing each other; the connecting wall (74) of the guide vane pump body is connected to the The guide vane blade (71) of the vertical pipeline pump is away from the guide vane hub (73), and the guide vane pump body connecting wall (74) is welded together with the submersible axial flow pump body (1). 6. A kind of anti-clogging large-flow vertical pipeline pump device according to claim 5, characterized in that, the axial force balance device (8) comprises an axial force balance blade (81), and the axial force balance device Fixed groove (82) and axial force balance device hub (83); the axial force balance blade (81) is connected to the outside of the axial force balance device hub (83); the axial force balance device fixed groove (82) is connected to the inner side of the hub (83) of the axial force balance device, and the transmission shaft (4) and the axial force balance device (8) are fixed to each other, so that the transmission shaft (4) drives the axial force balance device (8 ) rotate synchronously. 7. A kind of anti-clogging large-flow vertical pipeline pump device according to claim 1, characterized in that, the noise reduction motor system (11) includes a protective shell (111), a servo motor (112), and a motor system silencer spring ( 113), motor system silencing cotton (114); the servo motor (112) is placed in the protective shell (111), and the motor system silencing spring (113) is installed on the protective shell (111) and the motor (112) In the middle: the motor system silencing cotton (114) is placed in the gap between the protective shell (111), the servo motor (112) and the motor system silencing spring (113). 8. An anti-clogging large-flow vertical pipeline pump device according to claim 6, characterized in that, the shaft seal screw (3), the transmission shaft (4), the first pressurized impeller (5), the second Two pressurized impellers (6), vertical pipeline pump guide vanes (7), and axial force balance device (8) are all forged with wear-resistant and corrosion-resistant ZG-225-450 materials; and the first added The diameter ratio of the pressure impeller blade (51), the second pressure impeller blade (61) and the axial force balance blade (81) is 1:1:0.6. 9. An anti-clogging large-flow vertical pipeline pump device according to claim 7, characterized in that, the outer protective shell (10) is connected with the vertical pipeline pump body (1), noise reduction motor system (11 ) between the seal is good, the connection is stable; The protective shell (111) is well sealed; the motor system silencer springs (113) are symmetrically distributed up and down along the central axis horizontal line of the protective shell (111), and there are 17 groups of motor system silencer springs (113) up and down; the motor system Noise-absorbing cotton (114) is stuffed in protective housing (111), servomotor (112) and motor system silencer spring (113) gap inside. 10. The anti-clogging large-flow vertical pipeline pump device according to claim 6, characterized in that, the vertical pipeline pump guide vane (7), the first pressurized impeller (5), and the second pressurized impeller (6) and the axial force balance device (8) are welded together with the power transmission shaft (4).