CN213392723U

CN213392723U - Portable vertical pipeline centrifugal pump

Info

Publication number: CN213392723U
Application number: CN202022322381.9U
Authority: CN
Inventors: 巴伟; 杨景策; 王佳程
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-06-08
Anticipated expiration: 2030-10-19

Abstract

The utility model relates to a vertical centrifugal pump technical field just discloses a lightweight vertical pipeline centrifugal pump, which comprises a housin, the bottom pump body room of casing, the left side fixedly connected with drain pipe of pump body room, the right side fixedly connected with feed liquor pipe of pump body room, the left side of feed liquor pipe is equipped with the inner chamber, the left side of inner chamber is equipped with the stopper, the top of inner chamber is equipped with central bull stick, the both sides fixed connection of central bull stick has the impeller on its own, the top of impeller is equipped with mechanical seal, the top fixedly connected with of central bull stick rotates the motor. The utility model discloses a two three-way valve intercommunication connecting tube and self-purification pipeline accomplish the clearance to the inside sewage that remains of device, avoid in the blowdown process, sewage remains inside the passageway, long-time deposition leads to the inside condition that corrodes to appear of pipeline, has reduced the inside wearing and tearing of device when coming into use, has prolonged the life of device, has reduced the cost of maintenance in later stage.

Description

Portable vertical pipeline centrifugal pump

Technical Field

The utility model relates to a vertical centrifugal pump technical field specifically is a lightweight vertical pipe centrifugal pump.

Background

Vertical pipeline centrifugal pump structure advantage vertical pipeline centrifugal pump is a novel machinery of transport liquid, has simple structure, work safe and reliable, uses easy maintenance, goes out continuous even, pressure stability etc. advantage.

Vertical pipeline centrifugal pump is used for the urban oil field, but current vertical pipeline centrifugal pump is when carrying out the drainage to city inside, because the inside sewage of urban oil field has corrosivity, vertical pipeline is when carrying out sewage discharge, sewage can be remaining at the pipeline inner wall, pile up the corruption that leads to pipeline inner wall easily for a long time, and when carrying out the inside sewage discharge of city, the condition of filter screen jam appears easily, lead to the pump body idle running, hard wearing and tearing appear in the internals, the life of the pump body has been reduced, and impurity is attached to the filter screen surface, the clearance degree of difficulty is big, for this reason, we release a lightweight vertical pipeline centrifugal pump.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a lightweight vertical pipe centrifugal pump possesses the advantage that prevents sewage corrosion device, has solved the sewage and has remained the problem inside the device when carrying out the inside sewage discharge in city, possesses the advantage of the clearance filter screen of being convenient for, has solved impurity and has blockked up the problem that the filter screen leads to the idle running of the pump body.

The utility model provides a following technical scheme: a portable vertical pipeline centrifugal pump comprises a shell, a pump body chamber is arranged at the bottom of the shell, a liquid outlet pipe is fixedly connected to the left side of the pump body chamber, a liquid inlet pipe is fixedly connected to the right side of the pump body chamber, an inner cavity is arranged at the left side of the liquid inlet pipe, a limiting block is arranged at the left side of the inner cavity, a center rotating rod is arranged at the top of the inner cavity, impellers are fixedly connected to two sides of the center rotating rod, mechanical seals are arranged at the tops of the impellers, a rotating motor is fixedly connected to the top of the center rotating rod, a fixing flange is fixedly connected to the right side of the liquid inlet pipe, a sealing nut is arranged at the top of the fixing flange, a connecting pipeline is fixedly connected to the right side of the fixing flange, a two-position three-way valve is arranged at the right side of the connecting pipeline, a self-cleaning, hold the inside left side fixed mounting of liquid case and have a water level sensor, the right side bottom of holding the liquid case is equipped with holds the liquid valve, the bottom fixedly connected with communicating pipe of two three-way valves, the bottom fixedly connected with filter screen of communicating pipe, the top right side of communicating pipe is equipped with the apotheca, the left side of apotheca is equipped with the slide bar, the fixed surface of slide bar installs the cylinder, the bottom fixedly connected with piston of cylinder, the bottom of piston is equipped with the closing valve.

Preferably, the filter screen is of a hemispherical structure.

Preferably, the bottom of mechanical seal is equipped with sealed cushion, and sealed cushion has elasticity, center bull stick and rotation motor kneck are equipped with O type sealing washer.

Preferably, the top of the rotating motor is provided with heat dissipation holes, and the heat dissipation holes are uniformly arranged on the surface of the top of the shell.

Preferably, a valve is provided at the left side of the storage chamber.

Preferably, the surface area of the piston is the same as the sectional area of the communicating pipe, and the outer wall of the piston is provided with an O-shaped sealing ring.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this lightweight vertical pipeline centrifugal pump holds liquid case and two three-way valves and mounting flange through increasing, through two three-way valve intercommunication connecting tube and self-purification pipeline, accomplishes the clearance to the inside sewage that remains of device, avoids in the blowdown process, and sewage remains inside the passageway, long-time deposition leads to the inside condition of corroding of appearing of pipeline, has reduced the inside wearing and tearing of device when putting into use, has prolonged the life of device, has reduced the cost of maintenance in later stage.

2. This lightweight vertical pipeline centrifugal pump through increasing cylinder and piston and closing valve, drives the piston downstream through the cylinder, makes the internal pressure increase, opens the closing valve, and inside clean test solution derives the closing valve under the pressure effect, erodees the filter screen, has reduced the shutoff of impurity to the filter screen, avoids appearing the filter screen jam, and the pump body idle running leads to the condition of internal part wearing and tearing to appear, has reduced the hard wearing and tearing of internal part.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

fig. 3 is the structure schematic diagram of the structure communicating pipe of the utility model.

In the figure: 1. a housing; 2. a pump body chamber; 3. a liquid outlet pipe; 4. a seal nut; 5. a filter screen; 6. a communicating pipe; 7. a fixed flange; 8. a liquid storage tank; 9. mechanical sealing; 10. a central rotating rod; 11. rotating the motor; 12. an impeller; 13. a limiting block; 14. an inner cavity; 15. a liquid inlet pipe; 16. connecting a pipeline; 17. a two-position three-way valve; 18. self-cleaning the pipeline; 19. a water level sensor; 20. a liquid storage valve; 21. a storage chamber; 22. a slide bar; 23. a cylinder; 24. a piston; 25. the valve is closed.

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, a portable vertical pipe centrifugal pump includes a casing 1, a pump chamber 2 at the bottom of the casing 1, a liquid outlet pipe 3 fixedly connected to the left side of the pump chamber 2, a liquid inlet pipe 15 fixedly connected to the right side of the pump chamber 2, an inner cavity 14 provided at the left side of the liquid inlet pipe 15, a stopper 13 provided at the left side of the inner cavity 14, a center rotating rod 10 provided at the top of the inner cavity 14, impellers 12 fixedly connected to both sides of the center rotating rod 10, a mechanical seal 9 provided at the top of the impellers 12, a sealing cushion provided at the bottom of the mechanical seal 9 and having elasticity, an O-ring provided at the interface between the center rotating rod 10 and a rotating motor 11, and a sealing cushion provided at the bottom of the mechanical seal 9 and an O-ring provided at the top of the center rotating rod 10, thereby increasing the sealing performance of the apparatus and preventing the sewage inside the inner cavity 14 from being introduced into the working environment of the rotating motor, the normal operation of the rotating motor 11 is influenced, the rotating motor 11 is fixedly connected to the top of the central rotating rod 10, heat dissipation holes are formed in the top of the rotating motor 11 and are evenly distributed on the surface of the top of the shell 1, the heat dissipation holes are formed in the top of the shell 1, the phenomenon that a large amount of heat is accumulated inside the rotating motor 11 in the working process to cause the temperature of the working environment inside the rotating motor 11 to rise is avoided, the normal use of the rotating motor 11 is influenced, the service life of the rotating motor 11 is greatly shortened, the fixing flange 7 is fixedly connected to the right side of the liquid inlet pipe 15, the sealing nut 4 is arranged on the top of the fixing flange 7, the connecting pipeline 16 is fixedly connected to the right side of the fixing flange 7, the two-position three-way valve 17 is arranged on the right side of the connecting pipeline 16, the self-cleaning pipeline 18 is fixedly connected to the top of the two-position three-, when the liquid level in the liquid storage tank 8 is lower than the water level sensor 19, the liquid storage valve 20 is opened to conduct liquid introduction to the liquid storage tank 8, the liquid in the liquid storage tank 8 is saturated, the water level sensor 19 is acted by water level pressure to send a signal, the liquid storage valve 20 is closed, the liquid storage valve 20 is arranged at the bottom of the right side of the liquid storage tank 8, the bottom of the two-position three-way valve 17 is fixedly connected with the communicating pipe 6, the bottom of the communicating pipe 6 is fixedly connected with the filter screen 5, the filter screen 5 is of a hemispherical structure, the original planar filter screen 5 is improved into the existing hemispherical shape, the phenomenon that the mesh surface of the filter screen 5 is completely blocked due to impurities in sewage when sewage drainage is conducted is avoided, so that a pump body idles, the situation that the mesh openings are completely blocked is avoided through the arranged hemispherical shape, the normal operation of the device is ensured, the storage chamber 21 is arranged on, the cylinder 23 slides on the surface of the sliding rod 22, when the filter screen 5 is cleaned, the valve is opened, the cylinder 23 moves to the left from the storage chamber 21 through the sliding rod 22, the two-position three-way valve 17 is communicated with the self-cleaning pipeline 18 and the communicating pipe 6, liquid in the liquid storage tank 8 is led into the communicating pipe 6, the closing valve 25 is closed at the moment, the cylinder 23 works to push the piston 24 to move downwards, the internal pressure is increased, the closing valve 25 is opened, the liquid is led out through the closing valve 25 to flush the filter screen 5 and lead out solid impurities attached to the surface of the filter screen 5, the sliding rod 22 is arranged on the left side of the storage chamber 21, the cylinder 23 is fixedly arranged on the surface of the sliding rod 22, the piston 24 is fixedly connected to the bottom of the cylinder 23, the surface area of the piston 24 is the same as the sectional area of the communicating pipe 6, the O-shaped sealing ring is arranged on the, the situation that liquid is led out through the gap between the piston 24 and the inner wall of the pipeline in the propelling process of the piston 24 is avoided, the air tightness of the interior of the device is improved through an O-shaped sealing ring, and a closing valve 25 is arranged at the bottom of the piston 24.

The theory of operation, when carrying out the inside remaining sewage of device and leading, two three-way valve 17 intercommunication self-purification pipeline 18 and connecting tube 16, liquid passes through the leading-in inner chamber 14 of two three-way valve 17, it rotates to rotate motor 11 and drives impeller 12 and rotate, lead out inside liquid through drain pipe 3, reach the inside self-purification purpose of device, the condition of the remaining corruption pipeline of sewage has been avoided appearing, when handling the filter screen, two three-way valve 17 intercommunication self-purification pipeline 18 and communicating pipe 6, hold leading-in communicating pipe 6 of the inside liquid of liquid tank 8, closing valve 25 is closed this moment, cylinder 23 works, promote piston 24 downstream, internal pressure increases, closing valve 25 is opened, liquid is led out by closing valve 25, wash away filter screen 5, lead out the solid impurity who adheres to filter screen 5 surface, can.

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. The utility model provides a portable vertical pipe centrifugal pump, includes casing (1), its characterized in that: the pump comprises a shell (1), a pump body chamber (2) at the bottom of the shell (1), a liquid outlet pipe (3) fixedly connected to the left side of the pump body chamber (2), a liquid inlet pipe (15) fixedly connected to the right side of the pump body chamber (2), an inner cavity (14) arranged on the left side of the liquid inlet pipe (15), a limiting block (13) arranged on the left side of the inner cavity (14), a central rotating rod (10) arranged at the top of the inner cavity (14), impellers (12) fixedly connected to both sides of the central rotating rod (10), a mechanical seal (9) arranged at the top of the impellers (12), a rotating motor (11) fixedly connected to the top of the central rotating rod (10), a fixing flange (7) fixedly connected to the right side of the liquid inlet pipe (15), a sealing nut (4) arranged at the top of the fixing flange (7), and a pipeline (16) fixedly connected to the right side of, a two-position three-way valve (17) is arranged on the right side of the connecting pipeline (16), a self-cleaning pipeline (18) is fixedly connected to the top of the two-position three-way valve (17), the top of the self-cleaning pipeline (18) is fixedly connected with a liquid storage tank (8), the left side in the liquid storage tank (8) is fixedly provided with a water level sensor (19), a liquid storage valve (20) is arranged at the bottom of the right side of the liquid storage tank (8), a communicating pipe (6) is fixedly connected at the bottom of the two-position three-way valve (17), the bottom of the communicating pipe (6) is fixedly connected with a filter screen (5), the right side of the top of the communicating pipe (6) is provided with a storage chamber (21), a sliding rod (22) is arranged on the left side of the storage chamber (21), a cylinder (23) is fixedly arranged on the surface of the sliding rod (22), the bottom of the cylinder (23) is fixedly connected with a piston (24), and the bottom of the piston (24) is provided with a closing valve (25).

2. The portable vertical pipe centrifugal pump according to claim 1, wherein: the filter screen (5) is of a hemispherical structure.

3. The portable vertical pipe centrifugal pump according to claim 1, wherein: the bottom of mechanical seal (9) is equipped with sealed cushion, and sealed cushion has elasticity, center bull stick (10) and rotation motor (11) kneck are equipped with O type sealing washer.

4. The portable vertical pipe centrifugal pump according to claim 1, wherein: the top of the rotating motor (11) is provided with heat dissipation holes which are uniformly arranged on the surface of the top of the shell (1).

5. The portable vertical pipe centrifugal pump according to claim 1, wherein: the left side of the storage chamber (21) is provided with a valve.

6. The portable vertical pipe centrifugal pump according to claim 1, wherein: the surface area of the piston (24) is the same as the sectional area of the communicating pipe (6), and an O-shaped sealing ring is arranged on the outer wall of the piston (24).