CN211314562U

CN211314562U - Centrifugal pump with sewage discharge performance

Info

Publication number: CN211314562U
Application number: CN201922413003.9U
Authority: CN
Inventors: 许兰田; 石昊; 李泊
Original assignee: Tianjin Kesaisi Industry And Trade Co ltd
Current assignee: Tianjin Kesaisi Industry And Trade Co ltd
Priority date: 2019-12-29
Filing date: 2019-12-29
Publication date: 2020-08-21
Anticipated expiration: 2029-12-29

Abstract

The utility model discloses a centrifugal pump with sewage discharge performance, which comprises a support plate, a motor, a shell, a drain pipe and a water inlet pipe, wherein the motor and the shell are respectively arranged at the top end of the support plate, the surface of the shell is respectively connected with the drain pipe and the water inlet pipe in a conduction way, the open end of the water inlet pipe can be disassembled into a connecting sleeve, and a filter screen plate is inserted inside the sleeve, the bottom end of the sleeve is connected with a sewage discharge pipe through a sewer pipe in a conduction way, the side wall of the sewer pipe is inserted with one end of a flow guide pipe, the other end of the flow guide pipe is connected with the lower surface of the water inlet pipe through a return pipe, the machine case can be disassembled outside the motor, the utility model sequentially connects the sleeve, the sewer pipe, the sewage discharge pipe, the flow, prevent the jam of inlet tube, the convenience is to impurity cleaning, and quick-witted case cooperation sponge layer has fine noise reduction effect.

Description

Centrifugal pump with sewage discharge performance

Technical Field

The utility model relates to a centrifugal pump technical field specifically is a centrifugal pump with blowdown performance.

Background

A centrifugal pump (centrifugal pump) is a pump that transfers a liquid by centrifugal force generated when an impeller rotates. Centrifugal pumps operate by causing water to move centrifugally as a result of the rotation of an impeller. Before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to rotate at a high speed, the water is thrown to the outer edge of the impeller to be thrown into a water pressure pipeline of the water pump through a flow channel of the volute-shaped pump shell. The centrifugal pump can be widely used for conveying slurry containing solid particles in the industries of electric power, metallurgy, coal, building materials and the like. Such as hydraulic ash removal in thermal power plants, ore pulp transportation in metallurgical dressing plants, coal slurry and dense medium transportation in coal washing plants, and the like. When the centrifugal pump works, the pump needs to be placed on the land, the water suction pipe is placed in water, and the pump needs to be filled and started. The mud pump and the submerged centrifugal pump are limited by the structure, the motor needs to be placed above the water surface during working, the pump is placed in water, and therefore the motor needs to be fixed, otherwise, the motor is scrapped when falling into the water. Moreover, since the length of the long shaft is generally fixed, the pump is troublesome to install and use, and the application occasions are limited.

Centrifugal pumps are used in different water pumping operations, and some water is contaminated with a large amount of impurities and needs to be filtered, cleaned and subjected to pollution discharge treatment.

However, the existing centrifugal pump has the following disadvantages:

1. the existing centrifugal pump is poor in filtering performance, and part of the existing centrifugal pump is provided with a filter screen plate, so that impurities in water liquid are filtered and accumulated on one side of the filter screen, the pipeline is easily blocked, and the using effect is reduced.

2. The motor of the centrifugal pump is accompanied with the noise generation when working, reduces operational environment's comfort level.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifugal pump with blowdown performance to current centrifugal pump filtering quality is poor in solving above-mentioned background art, and the part has the centrifugal pump of crossing filter plate, and impurity in the water liquid is filtered and is piled up in filter screen one side, causes the jam of pipeline easily, reduces the result of use, and the motor of centrifugal pump is along with the production of noise in work, reduces the problem of operational environment's comfort level.

In order to achieve the above object, the utility model provides a following technical scheme: a centrifugal pump with a sewage discharge performance comprises a support plate, a motor, a shell, a drain pipe and a water inlet pipe, wherein the motor and the shell are respectively installed at the top end of the support plate, the surface of the shell is respectively connected with the drain pipe and the water inlet pipe in a conduction mode, the open end of the water inlet pipe is detachably connected with a connecting sleeve, a first filter screen plate is inserted inside the sleeve, the bottom end of the sleeve is connected with the sewage discharge pipe in a conduction mode through a drain pipe, one end of a flow guide pipe is inserted into the side wall of the drain pipe, the other end of the flow guide pipe is connected with the lower surface of the water inlet pipe in a conduction mode through a return pipe, a case is detachably connected outside the motor, the first filter screen plate and a second filter screen plate are sequentially connected with the surface of, the convenient impurity cleaning treatment, quick-witted case cooperation sponge layer have fine noise reduction effect.

Preferably, the surface of the sewer pipe is provided with a first stop valve, the surface of the return pipe is provided with a second stop valve, and the first stop valve is matched with the second stop valve to stop water from the sewer pipe and the return pipe, so that impurities in the sewage pipe can be conveniently cleaned.

Preferably, the inside filter plate that can dismantle of water conservancy diversion intraduct is connected with No. two, the blow off pipe bottom is the open end, and the open end screwed connection apron of blow off pipe, filters the edulcoration once more to the water liquid that comes from the downcomer through No. two filter plate, and the impurity in the water liquid is concentrated gets into inside the blow off pipe, when clean, relative downcomer dismantle the apron can, convenient operation.

Preferably, machine incasement wall bonds and has the sponge layer, the sponge layer surface is equipped with recess and circular arc lug respectively, recess and circular arc lug are the several and are the alternate setting, and sponge layer self has fine sound absorption and falls the performance of making an uproar, and cooperation recess and circular arc lug use improve sound absorption effect, reduce the noise that the motor during operation produced, improve operational environment's comfort level.

Preferably, the surface of the case is provided with heat dissipation holes, and one side of each heat dissipation hole is bonded with a dust screen, so that heat dissipation is facilitated.

Preferably, the bottom plate is fixedly connected to the lower surface of the supporting plate through supporting legs, ceramic rubber base plates are fixedly connected to the two ends of the supporting legs, the ceramic rubber base plates have abrasion resistance and shock absorption performance, and the using effect of the motor is improved.

The utility model provides a centrifugal pump with blowdown performance possesses following beneficial effect:

(1) the utility model discloses a adapter sleeve can be dismantled to the open end of inlet tube, and the intraductal grafting of sleeve has one number to cross filter plate, the sewer pipe turn-on connection blow off pipe is passed through to the bottom of the sleeve pipe, it has honeycomb duct one end to peg graft to the downcomer lateral wall, the honeycomb duct other end passes through back flow and inlet tube lower surface turn-on connection, through turn-on connection sleeve in proper order on the inlet tube surface, the downcomer, the blow off pipe, honeycomb duct and back flow, it is clean to filtering the impurity filtration of otter board and No. two filter plate in to the water liquid one number, impurity is gathered inside the blow off.

(2) The utility model discloses an it has the sponge layer to bond quick-witted incasement wall, and the sponge layer surface is equipped with recess and circular arc lug respectively, and recess and circular arc lug are the several and are the alternative setting, and sponge layer self has fine sound absorption and falls the performance of making an uproar, and cooperation recess and circular arc lug use improve sound absorption effect, reduce the noise that the motor during operation produced, improve operational environment's comfort level.

Drawings

FIG. 1 is a schematic view of the overall structure of a centrifugal pump with a sewage discharge function of the present invention;

FIG. 2 is a schematic view of the connection structure of the centrifugal pump casing and the sewage discharge pipe with sewage discharge performance of the present invention;

FIG. 3 is a schematic view of the connection structure between the centrifugal pump casing and the sponge layer with the sewage discharge performance of the present invention;

fig. 4 is the utility model discloses a centrifugal pump landing leg and ceramic rubber pad plate structure sketch map with blowdown performance.

In the figure: 1. a base plate; 2. a support leg; 201. a ceramic rubber pad; 3. a support plate; 4. a chassis; 5. a motor; 6. a housing; 7. a drain pipe; 8. a water inlet pipe; 9. a sleeve; 901. a first filter screen plate; 10. a sewer pipe; 1001. a first shutoff valve; 11. a flow guide pipe; 1101. a second filter screen plate; 12. a blow-off pipe; 1201. a cover plate; 13. a return pipe; 1301. a second shutoff valve; 14. a sponge layer; 15. a groove; 16. a circular arc bump; 17. heat dissipation holes; 18. a dust screen.

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.

As shown in fig. 1-4, the utility model provides a technical solution: a centrifugal pump with a sewage discharge performance comprises a supporting plate 3, a motor 5, a shell 6, a drain pipe 7 and a water inlet pipe 8, wherein the motor 5 and the shell 6 are respectively installed at the top end of the supporting plate 3, the surface of the shell 6 is respectively connected with the drain pipe 7 and the water inlet pipe 8 in a conduction mode, the opening end of the water inlet pipe 8 is detachably connected with a sleeve 9, a first filter screen plate 901 is inserted into the sleeve 9, the bottom end of the sleeve 9 is connected with a sewage discharge pipe 12 in a conduction mode through a sewer pipe 10, the side wall of the sewer pipe 10 is inserted with one end of a flow guide pipe 11, the other end of the flow guide pipe 11 is connected with the lower surface of the water inlet pipe 8 in a conduction mode through a return pipe 13, a case 4 is detachably connected to the outer portion of the motor 5, the sleeve 9, the sewer pipe 10, the sewage discharge, impurity is gathered inside blow off pipe 12, prevents the jam of inlet tube 8, and the convenience is to impurity cleaning, and quick-witted case 4 cooperation sponge layer 14 has fine noise reduction.

The surface of the sewer pipe 10 is provided with a first shutoff valve 1001, the surface of the return pipe 13 is provided with a second shutoff valve 1301, the first shutoff valve 1001 is matched with the second shutoff valve 1301 for use, the water from the sewer pipe 10 and the return pipe 13 is intercepted, and impurities in the sewage discharge pipe 12 can be cleaned conveniently.

Honeycomb duct 11 is inside can dismantle be connected with No. two

filter plate

1101, 12 bottoms of blow off pipe are the open end, and the open end screwed connection apron 1201 of blow off pipe 12, filters the edulcoration once more to the water liquid that comes from downcomer 10 through No. two filter plate 1101, inside the impurity concentration's entering blow off pipe 12 in the water liquid, when clean, relative downcomer 10 dismantle the apron 1201 can, convenient operation.

4 inner walls of machine case bond and have sponge layer 14, sponge layer 14 surface is equipped with recess 15 and circular arc lug 16 respectively, recess 15 and circular arc lug 16 are the several and are the alternate setting, and sponge layer 14 self has fine sound absorption and noise reduction performance, and cooperation recess 15 and circular arc lug 16 use improve sound absorption effect, reduce the noise that motor 5 during operation produced, improve operational environment's comfort level.

Heat dissipation hole 17 is opened on the surface of machine case 4, dust screen 18 is bonded to one side of heat dissipation hole 17, and heat dissipation is facilitated.

The lower surface of the supporting plate 3 is fixedly connected with the bottom plate 1 through the supporting legs 2, the ceramic rubber base plates 201 are fixedly connected with the two ends of the supporting legs 2, the ceramic rubber base plates 201 have abrasion resistance and shock absorption performance, and the using effect of the motor 5 is improved.

It should be noted that, in the centrifugal pump with the sewage discharge performance, when working, the open end of the water inlet pipe 8 can be detachably connected with the sleeve 9, the inside of the sleeve 9 is inserted with the first filter screen 901, the bottom end of the sleeve 9 is conductively connected with the sewage discharge pipe 12 through the sewer pipe 10, the side wall of the sewer pipe 10 is inserted with one end of the flow guide pipe 11, the other end of the flow guide pipe 11 is conductively connected with the lower surface of the water inlet pipe 8 through the return pipe 13, the surface of the sewer pipe 10 is provided with the first cut-off valve 1001, the surface of the return pipe 13 is provided with the second cut-off valve 1301, the water liquid from the sewer pipe 10 and the return pipe 13 is cut off through the first cut-off valve 1001 in cooperation with the second cut-off valve 1301, the impurities inside the sewage discharge pipe 12 can be cleaned, the inside, the first filter screen 901 in the sleeve 9 is used for filtering and cleaning water for the first time, impurities enter the flow guide pipe 11 along the sewer pipe 10, the second filter screen 1101 is used for filtering and removing impurities from the water from the sewer pipe 10 again, the impurities in the water enter the sewage discharge pipe 12 in a concentrated mode, and when the water is cleaned, the cover plate 1201 is detached relative to the sewer pipe 10, so that the operation is convenient; the motor 5 is detachably connected with the case 4, the sponge layer 14 is bonded on the inner wall of the case 4, the surface of the sponge layer 14 is respectively provided with a plurality of grooves 15 and arc-shaped lugs 16, the grooves 15 and the arc-shaped lugs 16 are alternately arranged, the sponge layer 14 has good sound absorption and noise reduction performance, and is matched with the grooves 15 and the arc-shaped lugs 16 for use, so that the sound absorption effect is improved, the noise generated during the working of the motor 5 is reduced, and the comfort level of the working environment is improved; the lower surface of the supporting plate 3 is fixedly connected with a bottom plate 1 through supporting legs 2, the two ends of each supporting leg 2 are fixedly connected with ceramic rubber base plates 201, and the ceramic rubber base plates 201 have wear resistance and shock absorption performance, so that the using effect of the motor 5 is improved.

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 centrifugal pump with blow off performance, includes backup pad (3), motor (5), casing (6), drain pipe (7) and inlet tube (8), motor (5) and casing (6) are installed respectively on backup pad (3) top, casing (6) surface has drain pipe (7) and inlet tube (8), its characterized in that respectively to turn on and be connected: connecting sleeve (9) can be dismantled to the open end of inlet tube (8), and sleeve (9) inside is pegged graft and is had filter plate (901) No. one, drain pipe (12) through downcomer (10) conduction connection drain pipe (12) are passed through to sleeve (9) bottom, it has honeycomb duct (11) one end to peg graft to downcomer (10) lateral wall, honeycomb duct (11) other end passes through back flow (13) and inlet tube (8) lower surface conduction connection, motor (5) outside can be dismantled and be connected with quick-witted case (4).

2. A centrifugal pump having a sewage discharge performance according to claim 1, characterized in that: the surface of the sewer pipe (10) is provided with a first shutoff valve (1001), and the surface of the return pipe (13) is provided with a second shutoff valve (1301).

3. A centrifugal pump having a sewage discharge performance according to claim 1, characterized in that: honeycomb duct (11) inside can be dismantled and be connected with No. two filter plate (1101), blow off pipe (12) bottom is the open end, and the open end screwed connection apron (1201) of blow off pipe (12).

4. A centrifugal pump having a sewage discharge performance according to claim 1, characterized in that: the novel computer case is characterized in that a sponge layer (14) is bonded on the inner wall of the computer case (4), grooves (15) and arc-shaped lugs (16) are respectively formed in the surface of the sponge layer (14), and the grooves (15) and the arc-shaped lugs (16) are arranged alternately.

5. A centrifugal pump having a sewage discharge performance according to claim 1, characterized in that: heat dissipation holes (17) are formed in the surface of the case (4), and a dust screen (18) is bonded to one side of each heat dissipation hole (17).

6. A centrifugal pump having a sewage discharge performance according to claim 1, characterized in that: the lower surface of the supporting plate (3) is fixedly connected with the bottom plate (1) through the supporting legs (2), and the two ends of each supporting leg (2) are fixedly connected with ceramic rubber base plates (201).