CN216894922U

CN216894922U - Multifunctional axial-flow pump for sewage treatment

Info

Publication number: CN216894922U
Application number: CN202220431555.1U
Authority: CN
Inventors: 黄敏; 张地菊; 袁娟; 李双俊; 苟晓鸿
Original assignee: Sichuan Weiwen Environmental Protection Technology Co ltd
Current assignee: Sichuan Weiwen Environmental Protection Technology Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-07-05
Anticipated expiration: 2032-03-01

Abstract

The utility model discloses a multifunctional axial-flow pump for sewage treatment, which comprises an axial-flow pump main body, wherein a rotating shaft is arranged in the middle of an inner cavity of the axial-flow pump main body, a guide vane is fixedly connected to the bottom end of the rotating shaft, a transmission shaft is fixedly connected to the bottom end of the guide vane, an impeller is installed on the outer wall of the transmission shaft, and a flared pipe is fixedly connected to an opening at the bottom end of the axial-flow pump main body. This multi-functional axial-flow pump, through axial-flow pump main part during operation, a large amount of not having through filterable water from filtering the inner chamber that fights and get into the axial-flow pump main part, when impurity appears in the unfiltered water, utilize the stator pivoted to drive the gangbar simultaneously, conveniently drive first blade in step, the effect of second blade and third blade, can be effectual carry out quick crushing destruction to the impurity that gets into to smash different positions of intracavity, the inner chamber of axial-flow pump main part has effectively been prevented from entering into to great impurity, the stability of the operation under adverse circumstances of axial-flow pump main part has been ensured.

Description

Multifunctional axial-flow pump for sewage treatment

Technical Field

The utility model belongs to the technical field of pump bodies, and particularly relates to a multifunctional axial-flow pump for sewage treatment.

Background

The impeller of the axial-flow pump is provided with 2-7 blades and rotates in the circular-tube-shaped pump shell. The fixed guide vane is installed on the pump casing on the upper part of the impeller and is used for eliminating the rotary motion of the liquid, so that the liquid is changed into axial motion, and the kinetic energy of the rotary motion is converted into pressure energy. Axial pumps are generally single stage, with a few being made as two stages. The flow range is large and is 180-360 cubic meters per hour; the lift is generally below 20 m. Axial flow pumps are generally vertical, with the impeller submerged under water, and also horizontal or diagonal axial flow pumps. When the impeller of the small axial-flow pump is mounted at a high water outlet surface, a vacuum pump is required to exhaust and guide water to start. The blades of the axial flow pump are divided into a fixed structure and an adjustable structure. The operating condition (mainly referring to flow) of the large-scale axial-flow pump often needs to be changed greatly in operation, and the installation angle of the blades can be adjusted to ensure that the pump can be kept in a high-efficiency area to operate under different operating conditions. At present, various liquids need to be extracted from the axial flow pump on the market, and the axial flow pump is often harsh in the use environment of chemical waste and sewage, and a large amount of sand and sludge easily block the axial flow pump, so that the later-stage maintenance frequency of the axial flow pump is influenced, and the service life of the axial flow pump is influenced, and therefore, in order to solve the problems, a multifunctional sewage treatment axial flow pump is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems in the prior art, the inner wall of the filter hopper is provided with the fine filter screen and the coarse filter screen, so that a crushing cavity with an oval structure is conveniently formed and can be surrounded around the first blade, the second blade and the third blade, an environment can be effectively provided for crushing impurities by the blades, the crushing effect is ensured, the occurrence of blockage inside the crushing cavity and the axial flow pump main body is effectively prevented by using the fine filter screen and the coarse filter screen in a matched manner, the crushing operation of the blades is not influenced, the later-stage maintenance of the axial flow pump main body is avoided, and the problems in the background art are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a multi-functional axial-flow pump of sewage treatment, includes the axial-flow pump main part, the inner chamber middle part of axial-flow pump main part is provided with the pivot, the bottom fixedly connected with stator of pivot, the bottom fixedly connected with transmission shaft of stator, the impeller is installed to the outer wall of transmission shaft, the bottom opening part fixedly connected with horn tube of axial-flow pump main part, the bottom opening part fixedly connected with filter hopper of horn tube, the inner wall upside welding of filter hopper has thin filter screen, the mid-mounting of thin filter screen has the bearing, the inside of bearing is rotated and is connected with the gangbar, the top of gangbar extends to the bottom of transmission shaft, the outer wall cover of transmission shaft has the screw, just the tip threaded connection of screw is on the gangbar, the inner wall downside welding of filter hopper has coarse filtration net, first blade, the bottom of gangbar from top to bottom installs in proper order, A second blade and a third blade.

Preferably, the same end face of each of the first blade, the second blade and the third blade is provided with a favorable cutting face, and each group of the first blade, the second blade and the third blade is provided with three blades.

Preferably, the first blade and the third blade are equal in size, and the second blade is larger in size than the first blade and the third blade.

Preferably, a crushing cavity is arranged between the fine filter screen and the coarse filter screen, and the crushing cavity is oval.

Preferably, the bottom opening of the filter hopper is provided with a suction inlet, and the suction inlet is circular.

Preferably, the size of the fine filter screen is equal to that of the coarse filter screen, and the adjacent surfaces of the fine filter screen and the coarse filter screen are cambered surfaces.

The utility model has the technical effects and advantages that: the multifunctional axial-flow pump is characterized in that,

1. when the axial flow pump main body works, a large amount of unfiltered water enters the inner cavity of the axial flow pump main body from the filtering hopper, when impurities appear in the unfiltered water, the guide vane is utilized to rotate and simultaneously drive the linkage rod, so that the effects of driving the first blade, the second blade and the third blade are convenient and synchronous, the impurities entering different positions in the crushing cavity can be effectively and rapidly crushed and damaged, larger impurities are effectively prevented from entering the inner cavity of the axial flow pump main body, and the stability of the working and running of the axial flow pump main body in a severe environment is ensured;

2. set up fine filtration net and coarse filtration net through the inner wall at the filter hopper, conveniently form the crushing chamber of oval structure, can surround at first blade, around second blade and third blade, can effectually smash impurity for the blade and provide the environment, ensure kibbling effect, and utilize the cooperation of fine filtration net and coarse filtration net to use, the effectual emergence of smashing chamber and the inside jam condition of axial-flow pump main part that blocks up, and do not influence the crushing operation of blade, the maintenance in axial-flow pump main part later stage has been avoided.

Drawings

FIG. 1 is a structural cross-sectional view of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view of the linkage rod and blade connection of the present invention;

fig. 4 is a schematic bottom structure of the filter hopper of the present invention.

In the figure: 1. an axial flow pump body; 2. a rotating shaft; 3. a guide vane; 4. a drive shaft; 5. an impeller; 6. a flare tube; 7. a filter hopper; 8. a fine filter screen; 9. a bearing; 10. a linkage rod; 11. a screw; 12. a coarse filter screen; 13. a first blade; 14. a second blade; 15. a third blade; 16. a sharp edge face; 17. a grinding chamber; 18. a suction inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a sewage treatment multifunctional axial-flow pump as shown in figures 1-4, which comprises an axial-flow pump main body 1, wherein a rotating shaft 2 is arranged in the middle of an inner cavity of the axial-flow pump main body 1, a guide vane 3 is fixedly connected at the bottom end of the rotating shaft 2, a transmission shaft 4 is fixedly connected at the bottom end of the guide vane 3, an impeller 5 is installed on the outer wall of the transmission shaft 4, a horn pipe 6 is fixedly connected at an opening at the bottom end of the axial-flow pump main body 1, a filter hopper 7 is fixedly connected at an opening at the bottom end of the horn pipe 6, specifically, a suction inlet 18 is arranged at an opening at the bottom end of the filter hopper 7, the suction inlet 18 is circular, a fine filter screen 8 is welded on the upper side of the inner wall of the filter hopper 7, a bearing 9 is installed in the middle of the fine filter screen 8, a linkage rod 10 is rotatably connected inside the bearing 9, the top end of the linkage rod 10 extends to the bottom of the transmission shaft 4, a screw 11 is sleeved on the outer wall of the transmission shaft 4, and the end part of the screw 11 is in threaded connection with the linkage rod 10;

a coarse filter screen 12 is welded on the lower side of the inner wall of the filter hopper 7, specifically, a crushing cavity 17 is arranged between the fine filter screen 8 and the coarse filter screen 12, and the crushing cavity 17 is oval, specifically, the size of the fine filter screen 8 is equal to that of the coarse filter screen 12, and the adjacent surfaces of the fine filter screen 8 and the coarse filter screen 12 are both cambered surfaces, the aperture of the fine filter screen 8 is 5-8mm smaller than that of the coarse filter screen 12, the bottom of the linkage rod 10 is sequentially provided with a first blade 13, a second blade 14 and a third blade 15 from top to bottom, concretely, the same end surfaces of the first blade 13, the second blade 14 and the third blade 15 are all provided with favorable blade surfaces 16, and each set of the first blade 13, the second blade 14 and the third blade 15 is provided with three, specifically, the first blade 13 and the third blade 15 have the same size, and the second blade 14 has a size larger than the first blade 13 and the third blade 15.

When the multifunctional axial flow pump is used, when the axial flow pump main body 1 works, a large amount of water which is not filtered enters an inner cavity of the axial flow pump main body 1 from the filtering hopper 7, when impurities appear in the unfiltered water, the guide vane 3 is utilized to rotate and simultaneously drive the linkage rod 10, the effects of synchronously driving the first blade 13, the second blade 14 and the third blade 15 are facilitated, the impurities which enter different positions in the crushing cavity 17 can be effectively and rapidly crushed and damaged, larger impurities are effectively prevented from entering the inner cavity of the axial flow pump main body 1, and the stability of the working and running of the axial flow pump main body 1 in a severe environment is ensured; through the inner wall at filter hopper 7 set up fine filter screen 8 and coarse filter screen 12, conveniently form the crushing chamber 17 of oval structure, can surround at first blade 13, around second blade 14 and third blade 15, can effectually provide the environment for the blade is smashed impurity, ensure kibbling effect, and utilize the cooperation of fine filter screen 8 and coarse filter screen 12 to use, the effectual emergence of smashing chamber 17 and the inside jam condition of axial-flow pump main part 1 that blocks up, and do not influence the crushing operation of blade, the maintenance in axial-flow pump main part 1 later stage has been avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a multi-functional axial-flow pump of sewage treatment, includes axial-flow pump main part (1), its characterized in that: the axial-flow pump is characterized in that a rotating shaft (2) is arranged in the middle of an inner cavity of the axial-flow pump main body (1), a guide vane (3) is fixedly connected to the bottom of the rotating shaft (2), a transmission shaft (4) is fixedly connected to the bottom of the guide vane (3), an impeller (5) is installed on the outer wall of the transmission shaft (4), a horn tube (6) is fixedly connected to the bottom opening of the axial-flow pump main body (1), a filtering hopper (7) is fixedly connected to the bottom opening of the horn tube (6), a fine filtering net (8) is welded to the upper side of the inner wall of the filtering hopper (7), a bearing (9) is installed in the middle of the fine filtering net (8), a linkage rod (10) is rotatably connected to the inside of the bearing (9), the top end of the linkage rod (10) extends to the bottom of the transmission shaft (4), a screw (11) is sleeved on the outer wall of the transmission shaft (4), and the end of the screw (11) is in threaded connection with the linkage rod (10), the welding of the inner wall downside of filter hopper (7) has coarse filtration net (12), first blade (13), second blade (14) and third blade (15) are installed from top to bottom in proper order to the bottom of gangbar (10).

2. The sewage treatment multifunctional axial-flow pump of claim 1, characterized in that: the same end face of each of the first blade (13), the second blade (14) and the third blade (15) is provided with a favorable edge face (16), and each group of the first blade (13), the second blade (14) and the third blade (15) is provided with three blades.

3. The sewage treatment multifunctional axial-flow pump of claim 1, characterized in that: the first blade (13) and the third blade (15) are equal in size, and the second blade (14) is larger in size than the first blade (13) and the third blade (15).

4. The sewage treatment multifunctional axial-flow pump of claim 1, characterized in that: a crushing cavity (17) is arranged between the fine filter screen (8) and the coarse filter screen (12), and the crushing cavity (17) is oval.

5. The sewage treatment multifunctional axial-flow pump of claim 1, characterized in that: an opening at the bottom end of the filter hopper (7) is provided with a suction inlet (18), and the suction inlet (18) is circular.

6. The sewage treatment multifunctional axial-flow pump of claim 1, characterized in that: the size of the fine filter screen (8) is equal to that of the coarse filter screen (12), and the adjacent surfaces of the fine filter screen (8) and the coarse filter screen (12) are cambered surfaces.