CN218509768U

CN218509768U - Centrifugal pump for sewage treatment

Info

Publication number: CN218509768U
Application number: CN202223146860.5U
Authority: CN
Inventors: 张效印; 柳目逢; 吴玲玲
Original assignee: Guangxi Yaoxin Technology Co ltd
Current assignee: Guangxi Yaoxin Technology Co ltd
Priority date: 2022-11-26
Filing date: 2022-11-26
Publication date: 2023-02-21
Anticipated expiration: 2032-11-26

Abstract

The utility model discloses a sewage treatment centrifugal pump, include: the pump body, the externally mounted of the pump body has the back lid, the pump body outside of back lid one side is equipped with the support, the pump body outside of support one side is equipped with the base, the top at the pump body is installed to the drain pipe, the inlet tube is installed on the top of drain pipe, the valve body is installed on the top of inlet tube, the inside at the valve body is installed to the valve plate piece, the gland is installed on the top of valve plate piece, the top of gland is equipped with the spring, be equipped with the sealing ring on the outer wall of valve plate piece, the inside at the pump body is installed to the impeller, the inside of support is equipped with the pump shaft, and the one end of pump shaft extends to the inside of impeller. The utility model discloses not only realized that the convenient one-way control of sewage treatment centrifugal pump is carried, prevented that sewage from taking place inside the refluence gets into equipment, reduced the damage to equipment and pipeline moreover, improved the driven stability of sewage treatment centrifugal pump.

Description

Centrifugal pump for sewage treatment

Technical Field

The utility model relates to a centrifugal pump technical field specifically is a sewage treatment centrifugal pump.

Background

The centrifugal pump is widely applied in chemical production, because it has the advantages of wide performance and application, small volume, simple structure, convenient operation, uniform flow, long service life and the like, in the working process of the centrifugal pump, the liquid obtains energy under the action of inertial centrifugal force by means of the impeller rotating at high speed, so that the pressure is improved, before the centrifugal pump works, the pump body and an inlet pipeline are filled with liquid media to prevent cavitation erosion, the blades promote the media to rotate rapidly along with the rapid rotation of the impeller, the rotating media fly out of the impeller under the action of the centrifugal force, and the sewage treatment centrifugal pump is also widely applied to equipment such as agricultural irrigation, municipal water supply, urban pollution control and the like.

The sewage treatment centrifugal pump is mainly composed of six parts, namely an impeller, a pump body, a pump shaft, a bearing, a sealing ring, a packing box and other structures, the sewage treatment centrifugal pump is filled with liquid media through the pump body and an inlet pipeline during operation to carry out control driving, most of sewage treatment centrifugal pumps are not beneficial to convenient one-way control conveying during use, the sewage is prevented from flowing backwards to enter the interior of equipment, damage is caused to the equipment and a pipeline, and the safety and the stability of the equipment are greatly influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage treatment centrifugal pump to it carries to provide the convenient one-way control of centrifugal pump not being convenient for in solving above-mentioned background art, prevents that sewage from taking place to flow backwards and get into the inside problem of equipment.

In order to achieve the above object, the utility model provides a following technical scheme: a centrifugal pump for treating sewage, comprising: the pump body, the externally mounted of the pump body has the back lid, the pump body outside of back lid one side is equipped with the support, the pump body outside of support one side is equipped with the base, the top at the pump body is installed to the drain pipe, the inlet tube is installed on the top of drain pipe, the valve body is installed on the top of inlet tube, the inside at the valve body is installed to the valve plate piece, the gland is installed on the top of valve plate piece, the top of gland is equipped with the spring, be equipped with the sealing ring on the outer wall of valve plate piece, the inside at the pump body is installed to the impeller, the inside of support is equipped with the pump shaft, and the one end of pump shaft extends to the inside of impeller.

Preferably, the outer wall of the valve body is provided with a water outlet pipe, and the outer wall of the pump body is provided with a liquid inlet pipe.

Preferably, the surface of the pump shaft is sleeved with a sealing sleeve, the sealing sleeve is connected with the rear cover in a sliding mode, the surface of the pump shaft on one side of the support is sleeved with a bearing sleeve, and the bearing sleeve is connected with the support in a sliding mode.

Preferably, the rotary driving piece is installed on the base top of pump shaft one side, the shaft coupling is installed to rotary driving piece's output, and shaft coupling and pump shaft fixed connection.

Preferably, the support is installed on the base top of support below, connecting bolt is installed on the top of support, and the support passes through connecting bolt and support fixed connection.

Preferably, the support frame is installed on the base top of pump body below, positioning bolt is installed on the top of support frame, and support frame process positioning bolt and pump body fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that: this centrifugal pump passes through the inside of sewage entering feed liquor pipe, it is rotatory by rotary driving spare drive impeller, the inside of sewage entering drain pipe under the cooperation of back lid, carry to the inside of inlet tube by the drain pipe, carry to the inside of valve body by the inlet tube, when the pressure of sewage is greater than the elasticity of spring, the valve plate piece is driven to the sewage slides, the valve plate piece slides under the cooperation of sealing ring, it up moves to drive the gland, the spring takes place to deform, sewage is exported by the outlet pipe, when the valve plate piece does not receive external force, the valve plate piece opens the effect that ends absolutely with the sealing ring cooperation under the drive of spring, the convenient one-way control of sewage treatment centrifugal pump is carried, inside sewage had been prevented to take place to flow backwards and has got into equipment, the damage to equipment and pipeline has been reduced.

Drawings

Fig. 1 is a schematic view of the front view explosion structure of the present invention;

fig. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the front cross-section of the pump shaft of the present invention;

fig. 4 is an enlarged schematic view of the front section of the valve plate block.

In the figure: 1. a pump body; 2. an impeller; 3. a rear cover; 4. a pump shaft; 5. sealing sleeves; 6. a bearing housing; 7. a coupling; 8. a rotary drive member; 9. a connecting bolt; 10. a base; 11. a support; 12. positioning the bolt; 13. a support frame; 14. a liquid inlet pipe; 15. a support; 16. a liquid outlet pipe; 17. a water inlet pipe; 18. a water outlet pipe; 19. a valve body; 20. a spring; 21. a gland; 22. a seal ring; 23. a valve plate block.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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. 1-4, the present invention provides an embodiment: a centrifugal pump for treating sewage, comprising: the pump comprises a pump body 1, wherein a rear cover 3 is arranged outside the pump body 1, a support 15 is arranged outside the pump body 1 on one side of the rear cover 3, a base 10 is arranged outside the pump body 1 on one side of the support 15, a liquid outlet pipe 16 is arranged at the top end of the pump body 1, a water inlet pipe 17 is arranged at the top end of the liquid outlet pipe 16, a valve body 19 is arranged at the top end of the water inlet pipe 17, a valve plate block 23 is arranged inside the valve body 19, the valve plate block 23 is in sliding connection with the valve body 19, a gland 21 is arranged at the top end of the valve plate block 23, a spring 20 is arranged at the top end of the gland 21, the top end of the spring 20 is connected with the valve body 19, the bottom end of the spring 20 is connected with the gland 21, a sealing ring 22 is arranged on the outer wall of the valve plate block 23, the sealing ring 22 is in sliding connection with the valve body 19, an impeller 2 is arranged inside the pump body 1, a pump shaft 4 is arranged inside the support 15, the pump shaft 4 is movably connected with the support 15, and one end of the pump shaft 4 extends to the inside of the impeller 2;

when the centrifugal pump is used, sewage enters the liquid inlet pipe 14 through the sewage, the impeller 2 is driven to rotate by the rotary driving piece 8, the sewage enters the liquid outlet pipe 16 under the matching of the rear cover 3, the sewage is conveyed to the inside of the water inlet pipe 17 through the liquid outlet pipe 16 and conveyed to the inside of the valve body 19 through the water inlet pipe 17, when the pressure of the sewage is larger than the elastic force of the spring 20, the sewage drives the valve plate block 23 to slide, the valve plate block 23 slides under the matching of the sealing ring 22 to drive the gland 21 to move upwards, the spring 20 deforms, the sewage is output through the water outlet pipe 18, and when the valve plate block 23 is not subjected to external force, the valve plate block 23 and the sealing ring 22 are matched to be opened to be stopped under the driving of the spring 20, so that the convenient one-way control conveying of the centrifugal pump for sewage is realized, the backflow of the sewage is prevented from entering the inside of equipment, and the damage to the equipment and the pipeline is reduced;

a water outlet pipe 18 is installed on the outer wall of the valve body 19, a liquid inlet pipe 14 is installed on the outer wall of the pump body 1, a sealing sleeve 5 is sleeved on the surface of the pump shaft 4, the sealing sleeve 5 is in sliding connection with the rear cover 3, the sealing sleeve 5 is in sliding connection with the pump shaft 4, a bearing sleeve 6 is sleeved on the surface of the pump shaft 4 on one side of the support 15, the bearing sleeve 6 is in sliding connection with the pump shaft 4, a rotary driving piece 8 is installed at the top end of a base 10 on one side of the pump shaft 4, a coupler 7 is installed at the output end of the rotary driving piece 8, and the coupler 7 is fixedly connected with the pump shaft 4;

when the centrifugal pump is used, the rotary driving piece 8 is opened, the coupling 7 is driven to rotate by the rotary driving piece 8, the pump shaft 4 is driven to rotate by the coupling 7, the impeller 2 is driven to rotate by the pump shaft 4, under the driving of the impeller 2, under the matching of the pump body 1 and the rear cover 3, external sewage is sucked into the liquid inlet pipe 14 and the inside of the pump body 1, the bearing sleeve 6 plays a role of movably supporting the pump shaft 4, the support 15 plays a role of structurally supporting, the reliable movable supporting driving of the centrifugal pump for sewage treatment is realized, and the transmission stability of the centrifugal pump for sewage treatment is improved;

a support 11 is installed at the top end of a base 10 below the support 15, a connecting bolt 9 is installed at the top end of the support 11, the support 11 is fixedly connected with the support 15 through the connecting bolt 9, a support frame 13 is installed at the top end of the base 10 below the pump body 1, a positioning bolt 12 is installed at the top end of the support frame 13, and the support frame 13 is fixedly connected with the pump body 1 through the positioning bolt 12;

during the use, through being connected base 10 and support 11 together, support 11 is connected through connecting bolt 9 and support 15, plays the effect of structural support to support 15, is connected support frame 13 and base 10 together, and support frame 13 is connected through positioning bolt 12 and the pump body 1, plays the effect of structural support to the pump body 1, has realized the enhancement of sewage treatment centrifugal pump structure and has connected, has increased structural connection's reliability.

When the embodiment of the application is used: an external power supply firstly enters the interior of the liquid inlet pipe 14 through sewage, the impeller 2 is driven to rotate by the rotary driving piece 8, the sewage enters the interior of the liquid outlet pipe 16 under the matching of the rear cover 3, the sewage is conveyed to the interior of the water inlet pipe 17 through the liquid outlet pipe 16 and is conveyed to the interior of the valve body 19 through the water inlet pipe 17, when the pressure of the sewage is greater than the elastic force of the spring 20, the sewage drives the valve plate block 23 to slide, the valve plate block 23 slides under the matching of the sealing ring 22 to drive the gland 21 to move upwards, the spring 20 deforms, the sewage is output through the water outlet pipe 18, when the valve plate block 23 is not subjected to external force, the valve plate block 23 and the sealing ring 22 are matched to be opened to be stopped under the driving of the spring 20, then the coupling 7 is driven to rotate by the rotary driving piece 8 by opening the rotary driving piece 8, the pump shaft 4 is driven by the coupler 7 to rotate, the impeller 2 is driven by the pump shaft 4 to rotate, under the drive of the impeller 2, under the cooperation of the pump body 1 and the rear cover 3, external sewage is sucked into the liquid inlet pipe 14 and the pump body 1, the bearing sleeve 6 plays a role of movably supporting the pump shaft 4, the support 15 plays a role of structurally supporting, the base 10 is connected with the support 11 through the connecting bolt 9, the support 11 is connected with the support 15 through the connecting bolt 9, the support 15 plays a role of structurally supporting, the support 13 is connected with the base 10, the support 13 is connected with the pump body 1 through the positioning bolt 12, the pump body 1 plays a role of structurally supporting, and the use work of the centrifugal pump is completed.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or described herein.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A centrifugal pump for sewage treatment, comprising:

the pump comprises a pump body (1), wherein a rear cover (3) is installed outside the pump body (1), a support (15) is arranged outside the pump body (1) on one side of the rear cover (3), and a base (10) is arranged outside the pump body (1) on one side of the support (15);

the liquid outlet pipe (16) is installed at the top end of the pump body (1), a water inlet pipe (17) is installed at the top end of the liquid outlet pipe (16), and a valve body (19) is installed at the top end of the water inlet pipe (17);

the valve body (19) is arranged in the valve body (23), a gland (21) is arranged at the top end of the valve body (23), a spring (20) is arranged at the top end of the gland (21), and a sealing ring (22) is arranged on the outer wall of the valve body (23);

impeller (2), install in the inside of the pump body (1) impeller (2), the inside of support (15) is equipped with pump shaft (4), and the one end of pump shaft (4) extends to the inside of impeller (2).

2. The centrifugal pump for wastewater treatment according to claim 1, wherein: the water outlet pipe (18) is installed on the outer wall of the valve body (19), and the liquid inlet pipe (14) is installed on the outer wall of the pump body (1).

3. The centrifugal pump for wastewater treatment according to claim 1, wherein: the surface of the pump shaft (4) is sleeved with a sealing sleeve (5), the sealing sleeve (5) is connected with the rear cover (3) in a sliding mode, the surface of the pump shaft (4) on one side of the support (15) is sleeved with a bearing sleeve (6), and the bearing sleeve (6) is connected with the support (15) in a sliding mode.

4. The centrifugal pump for sewage treatment according to claim 1, wherein: the pump shaft is characterized in that a rotary driving piece (8) is installed at the top end of a base (10) on one side of the pump shaft (4), a coupler (7) is installed at the output end of the rotary driving piece (8), and the coupler (7) is fixedly connected with the pump shaft (4).

5. The centrifugal pump for sewage treatment according to claim 1, wherein: support (11) are installed on base (10) top of support (15) below, connecting bolt (9) are installed on the top of support (11), and support (11) are through connecting bolt (9) and support (15) fixed connection.

6. The centrifugal pump for wastewater treatment according to claim 1, wherein: support frame (13) are installed on base (10) top of the pump body (1) below, positioning bolt (12) are installed on the top of support frame (13), and support frame (13) pass through positioning bolt (12) and pump body (1) fixed connection.