CN217440309U

CN217440309U - Wear-resistant centrifugal pump for petrochemical industry

Info

Publication number: CN217440309U
Application number: CN202123380768.0U
Authority: CN
Inventors: 林晓忠
Original assignee: Shanghai Avic Industrial Group Co ltd
Current assignee: Shanghai Avic Industrial Group Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-09-16
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a wear-resisting centrifugal pump for petrochemical, including the installing support, the pump body is installed through the mounting hole at the middle part of installing support, the regulation carousel is installed to the one end of pump body upper end place pivot, the cavity is installed through mounting flange to the lower extreme of installing support, the regulating part is installed to the upper end of cavity, there is the connecting axle in the inboard of regulating part through screw thread movable mounting, the upper end and the pivot fixed connection of pump body place of connecting axle, the impeller is installed to the inboard of cavity, fixed connection between impeller place pivot and the connecting axle, the inlet tube is installed to the lower extreme of cavity, the outlet pipe is installed to one side of cavity. The utility model discloses pass through the bolt fastening with fixed column and regulating part when not using, dismantle the bolt in advance during the use, and then too much production rotation of regulating part and connecting axle when avoiding not using to lead to the consumption of connecting axle or regulating part, further improve equipment's life.

Description

Wear-resistant centrifugal pump for petrochemical industry

Technical Field

The utility model relates to a centrifugal pump technical field specifically is a wear-resisting centrifugal pump for petrochemical.

Background

Centrifugal pumps are machines that utilize centrifugal force to separate components from liquids and solid particles or mixtures of liquids and liquids, and are used in a large number of sectors in chemical, petroleum, food, pharmaceutical, mineral separation, coal, water treatment, ships, and the like. In chemical enterprises, centrifugal pumps are commonly used for processing chemical raw materials, but the conventional centrifugal pumps are not corrosion-resistant, wear-resistant, high-temperature-resistant, easy to age, low in mechanical strength, unstable in operation, unreasonable in structure, unreliable in sealing performance, inconvenient to disassemble and maintain and influence service life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting centrifugal pump for petrochemical to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a wear-resisting centrifugal pump for petrochemical industry comprises an installation support, wherein a pump body is installed in the middle of the installation support through an installation hole, an adjusting turntable is installed at one end of a rotating shaft at the upper end of the pump body, a cavity is installed at the lower end of the installation support through an installation flange, an adjusting piece is installed at the upper end of the cavity, a connecting shaft is installed at the inner side of the adjusting piece through threads, the upper end of the connecting shaft is fixedly connected with the rotating shaft at the upper end of the pump body, an impeller is installed at the inner side of the cavity, a water inlet pipe is installed at the lower end of the cavity, a water outlet pipe is installed at one side of the cavity, the water inlet pipe and the water outlet pipe are in a vertical state in space, a lubricating oil filling pipe is installed at one end of the outer surface of the pump body, a guide plate is arranged at one end, close to the cavity, of the inner side of the water inlet pipe, the lower end of the impeller is provided with an impeller baffle, and the impeller baffle is movably connected with the impeller through a universal driving shaft.

Preferably, the inner side wall of the mounting hole is provided with a rubber protection pad.

Preferably, the upper end of the cavity is provided with a mounting groove, the adjusting piece is mounted on the inner side of the mounting groove, fixing columns are arranged on two sides of the mounting groove, and the fixing columns are fixedly connected with two ends of the adjusting piece through bolts.

Preferably, the one end that the outlet pipe was kept away from to the cavity is installed the fixed bolster, the one end that the pump body was kept away from to installing support, fixed bolster is installed the fixed plate, fixed spout has been seted up on the surface of fixed plate.

Preferably, the water inlet pipe and the water outlet pipe are fixedly provided with connecting flanges at the ends far away from the cavity.

Preferably, a dust-proof cap is mounted at the upper end of the lubricating oil filling pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an adjust the impeller in the inboard position of cavity as required, loosen the regulating part from the fixed column and adjust, pass through the bolt fastening with fixed column and regulating part when not using, dismantle the bolt in advance during the use, and then too much production of regulating part and connecting axle is rotated when avoiding not using, thereby lead to the consumption of connecting axle or regulating part, further improve equipment's life, adjust the completion back, the centrifugal pump operation, insert the inboard of the pump body with the fluid through the inlet tube, guide the protection with the impeller baffle through the guide plate simultaneously, avoid the direct impact impeller of fluid, cause the loss to the impeller after long-time, further improve equipment's life.

Drawings

FIG. 1 is a schematic view of the overall structure of a wear-resistant centrifugal pump for petrochemical engineering of the present invention;

FIG. 2 is a bottom view of the wear-resistant centrifugal pump for petrochemical engineering of the present invention;

fig. 3 is an installation view of the impeller and the impeller baffle of the wear-resistant centrifugal pump for petrochemical industry of the present invention.

In the figure: the device comprises a mounting support 1, a mounting hole 2, a pump body 3, an adjusting rotary table 4, a cavity 5, an adjusting part 6, a connecting shaft 7, an impeller 8, a water inlet pipe 9, a water outlet pipe 10, a lubricating oil filling pipe 11, a guide plate 12, an impeller baffle 13, a mounting groove 14, a fixing column 15, a fixing support 16, a fixing plate 17 and a fixing chute 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a wear-resistant centrifugal pump for petrochemical industry comprises a mounting support 1, a pump body 3 is mounted in the middle of the mounting support 1 through a mounting hole 2, an adjusting turntable 4 is mounted at one end of a rotating shaft at the upper end of the pump body 3, a cavity 5 is mounted at the lower end of the mounting support 1 through a mounting flange, an adjusting part 6 is mounted at the upper end of the cavity 5, a connecting shaft 7 is movably mounted at the inner side of the adjusting part 6 through threads, the upper end of the connecting shaft 7 is fixedly connected with the rotating shaft at the pump body 3, an impeller 8 is mounted at the inner side of the cavity 5, the rotating shaft at the impeller 8 is fixedly connected with the connecting shaft 7, a water inlet pipe 9 is mounted at the lower end of the cavity 5, a water outlet pipe 10 is mounted at one side of the cavity 5, the water inlet pipe 9 and the water outlet pipe 10 are in a vertical state in space, a lubricating oil filling pipe 11 is mounted at one end of the outer surface of the pump body 3, and a guide plate 12 is arranged at one end, close to the inner side of the cavity 5, of the water inlet pipe 9, the lower end of the impeller 8 is provided with an impeller baffle 13, and the impeller baffle 13 is movably connected with the impeller 8 through a universal driving shaft.

The utility model discloses the rubber protection pad is installed to the inboard lateral wall of well mounting hole 2.

The utility model discloses mounting groove 14 has been seted up to well cavity 5's upper end, and regulating part 6 is installed in the inboard of mounting groove 14, and the inside both sides of mounting groove 14 are provided with fixed column 15, and bolt fixed connection is passed through with regulating part 6's both ends to fixed column 15.

The utility model discloses well cavity 5 is kept away from the one end of outlet pipe 10 and is installed fixed bolster 16, and the one end that the pump body 3 was kept away from to installing support 1, fixed bolster 16 is installed fixed plate 17, and fixed spout 18 has been seted up on fixed plate 17's surface.

The utility model discloses well inlet tube 9, the one end that cavity 5 was kept away from to outlet pipe 10 are all fixed and are provided with flange.

The utility model discloses dustproof block is installed to well lubricating oil filler pipe 11's upper end.

The working principle is as follows: when in use, the centrifugal pump is installed through the fixed chute 18 at the upper end of the fixed plate 17, so that the centrifugal pump can be installed according to different installation positions, the position of the impeller 8 at the inner side of the cavity 5 is adjusted according to needs, the adjusting piece 6 is loosened from the fixed column 15 for adjustment, when not in use, the fixed column 15 and the adjusting piece 6 are fixed through bolts, when in use, the bolts are disassembled in advance, further, the adjusting piece 6 and the connecting shaft 7 are prevented from rotating excessively when not in use, so that the consumption of the connecting shaft 7 or the adjusting piece 6 is caused, the service life of the equipment is further prolonged, the rotating shaft of the pump body 3 is driven through the adjusting turntable 4 to drive the connecting shaft 7 to rotate for adjustment, after the adjustment is completed, the centrifugal pump operates, fluid is connected into the inner side of the pump body 3 through the water inlet pipe 9, and simultaneously, the guide and the protection of the impeller baffle 13 are performed through the guide plate 12, so that the fluid is prevented from directly impacting the impeller 8, and the impeller 8 is lost after a long time, so that the service life of the equipment is further prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A wear-resisting centrifugal pump for petrochemical, includes installing support (1), its characterized in that: the pump body (3) is installed at the middle part of the mounting bracket (1) through a mounting hole (2), an adjusting turntable (4) is installed at one end of a rotating shaft at the upper end of the pump body (3), a cavity (5) is installed at the lower end of the mounting bracket (1) through a mounting flange, an adjusting piece (6) is installed at the upper end of the cavity (5), a connecting shaft (7) is movably installed at the inner side of the adjusting piece (6) through threads, the upper end of the connecting shaft (7) is fixedly connected with the rotating shaft at the position of the pump body (3), an impeller (8) is installed at the inner side of the cavity (5), the rotating shaft at the position of the impeller (8) is fixedly connected with the connecting shaft (7), a water inlet pipe (9) is installed at the lower end of the cavity (5), a water outlet pipe (10) is installed at one side of the cavity (5), and the water inlet pipe (9) and the water outlet pipe (10) are in a vertical state in space, a lubricating oil filling pipe (11) is installed at one end of the outer side surface of the pump body (3), a guide plate (12) is arranged at one end, close to the cavity (5), of the inner side of the water inlet pipe (9), an impeller baffle (13) is installed at the lower end of the impeller (8), and the impeller baffle (13) is movably connected with the impeller (8) through a linkage shaft.

2. A wear-resistant centrifugal pump for petrochemical industry according to claim 1, wherein: and a rubber protective pad is arranged on the inner side wall of the mounting hole (2).

3. A wear-resistant centrifugal pump for petrochemical industry according to claim 1, wherein: mounting groove (14) have been seted up to the upper end of cavity (5), regulating part (6) are installed in the inboard of mounting groove (14), the inside both sides of mounting groove (14) are provided with fixed column (15), bolt fixed connection is passed through at the both ends of fixed column (15) and regulating part (6).

4. A wear-resistant centrifugal pump for petrochemical industry according to claim 1, wherein: fixed bolster (16) are installed to the one end that outlet pipe (10) were kept away from in cavity (5), fixed plate (17) are installed to the one end that the pump body (3) were kept away from in installing support (1), fixed bolster (16), fixed spout (18) have been seted up on the surface of fixed plate (17).

5. A wear-resistant centrifugal pump for petrochemical industry according to claim 1, wherein: and one ends of the water inlet pipe (9) and the water outlet pipe (10) far away from the cavity (5) are fixedly provided with connecting flanges.

6. A wear-resistant centrifugal pump for petrochemical industry according to claim 1, wherein: and a dustproof cover cap is arranged at the upper end of the lubricating oil filling pipe (11).