CN215830726U

CN215830726U - Energy-efficient water pump for waste heat power station

Info

Publication number: CN215830726U
Application number: CN202122072502.3U
Authority: CN
Inventors: 张洧
Original assignee: Zhejiang Jin Yuan Cement Co ltd
Current assignee: Zhejiang Jin Yuan Cement Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-02-15
Anticipated expiration: 2031-08-30

Abstract

The utility model relates to the technical field of water pump design, in particular to a high-efficiency energy-saving water pump for a waste heat power station, which comprises a pump shell and an impeller assembly arranged in the pump shell, wherein the top of the pump shell is provided with a first mounting hole, the middle part of the outer wall of one side of the pump shell is provided with a second mounting hole, the inner wall of the first mounting hole is fixed with a water outlet channel, the inner wall of the second mounting hole is fixed with a water suction channel, and the inner wall of the pump shell, the inner wall of the water suction channel, the inner wall of the water outlet channel and the impeller assembly are all coated with coatings, and the high-efficiency energy-saving water pump can be provided with the following coatings: polyethylene glycol, epoxy resin and ceramic particles, so that the pump shell and the impeller component have the capabilities of resisting cavitation and abrasion, and the molecular structure of the coating has compactness and can isolate the contact of media such as air, water and the like, thereby improving the running performance of the water pump, reducing the abrasion and simultaneously reducing the hydraulic loss of the water pump.

Description

Energy-efficient water pump for waste heat power station

Technical Field

The utility model relates to the technical field of water pump design, in particular to a high-efficiency energy-saving water pump for a waste heat power station.

Background

Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal. Liquids, gas mixtures, and liquids containing suspended solids may also be transported. The technical parameters of the water pump performance include flow, suction lift, shaft power, water power, efficiency and the like; the pump can be divided into a volume water pump, a vane pump and the like according to different working principles. The displacement pump transfers energy by utilizing the change of the volume of a working chamber; vane pumps transfer energy by the interaction of rotating vanes with water and are available in the types of centrifugal pumps, axial flow pumps, mixed flow pumps, and the like.

In the prior art, the following problems exist: the impeller and the pump shell have rough runners, and the surface of the water pump flow passage part has poor cavitation and abrasion resistance, so that the running performance of the water pump is reduced, the water pump is abraded, and the hydraulic loss of the water pump is increased, so that the power consumption is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an efficient energy-saving water pump for a waste heat power station, which aims to solve the problems in the background technology.

The technical scheme of the utility model is as follows: the high-efficiency energy-saving water pump for the waste heat power station comprises a pump shell and an impeller assembly arranged inside the pump shell, wherein a first mounting hole is formed in the top of the pump shell, a second mounting hole is formed in the middle of the outer wall of one side of the pump shell, a water outlet channel is fixed on the inner wall of the first mounting hole, a water suction channel is fixed on the inner wall of the second mounting hole, and coatings are coated on the inner wall of the pump shell, the inner wall of the water suction channel, the inner wall of the water outlet channel and the impeller assembly.

Preferably, the coating is prepared from polyethylene glycol, epoxy resin and ceramic particles according to a ratio of 1: 1: 2, the polyethylene glycol has excellent lubricity, moisture retention, dispersibility and adhesiveness; the epoxy resin has excellent chemical resistance, especially alkali resistance, strong paint film adhesion, especially good heat resistance and electrical insulation for metals, and good paint film color retention; the ceramic particles may increase the strength of the overall coating.

Preferably, a flange coaxial with the water suction channel is fixed on the outer wall of one side of the water suction channel.

Preferably, an annular rotating groove is formed in the middle of the inner wall of one side of the pump shell, and the annular rotating groove is coaxial with the second mounting hole.

Preferably, the impeller assembly comprises an impeller cover, wherein the outer wall of one side of the impeller cover is rotatably arranged on the inner wall of a rotating groove, and the rotating groove is designed to facilitate the support of the impeller cover and not influence the radial water absorption.

Preferably, the impeller assembly further includes an impeller seat, a fixing hole is formed in an outer wall of one side of the impeller seat, a rotating shaft coaxial with the second mounting hole is rotatably mounted on an inner wall of one side of the pump housing, the rotating shaft is fixed on an inner wall of the fixing hole, the rotating shaft may be a rod-shaped rotating connecting member in any one of the prior art, and the rotating shaft is used for force transmission.

Preferably, the impeller assembly further comprises a plurality of impeller blades, the impeller blades are distributed on the outer peripheral wall of the impeller seat at equal intervals, the impeller cover is connected with the impeller seat through the impeller blades, the impeller cover, the impeller seat and the impeller blades are of an integral structure, the impeller blades gradually thicken from one end of the impeller cover to one end of the impeller seat, and the impeller blades gradually thicken from one end of the impeller cover to one end of the impeller seat, so that the force can be well dispersed to each point inside the impeller blades, the problem of overlarge local stress cannot exist, the impeller assembly can bear large force, and the service life can be prolonged.

The utility model provides a high-efficiency energy-saving water pump for a waste heat power station through improvement, and compared with the prior art, the high-efficiency energy-saving water pump has the following improvements and advantages:

one is as follows: the utility model is provided with the coating, and the coating comprises the following components: polyethylene glycol, epoxy resin and ceramic particles, so that the pump shell and the impeller assembly have the capabilities of resisting cavitation and abrasion, and meanwhile, the molecular structure of the coating has compactness and can isolate the contact of media such as air, water and the like, thereby improving the running performance of the water pump, reducing the abrasion and simultaneously reducing the hydraulic loss of the water pump;

the second step is as follows: the impeller assembly is arranged, the impeller blades are gradually thickened from one end of the impeller cover to one end of the impeller seat, so that the water channels formed by the two adjacent impeller blades are gradually narrowed, the design can ensure that the impeller blades can suck more water in the radial water suction process under the condition of high-speed rotation, and meanwhile, the water channels formed by the two impeller blades are compressed, so that the water pressure is increased, the weft water outlet speed is high, the water pump hydraulic power is not easy to lose, even the hydraulic power can be increased, the energy-saving water outlet effect is achieved, and the impeller blades are gradually thickened from one end of the impeller cover to one end of the impeller seat, so that the force can be well dispersed to each point in the impeller blades, the problem of overlarge local stress cannot exist, the impeller blades can bear larger force, and the service life can be prolonged.

Drawings

The utility model is further explained below with reference to the figures and examples:

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

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

FIG. 3 is a schematic view of the impeller structure of the present invention;

FIG. 4 is a schematic view of a partially cut-away construction of the impeller of the present invention;

FIG. 5 is a schematic diagram of the right side view of the structure of FIG. 4;

FIG. 6 is a schematic view of the coating composition of the present invention.

Description of reference numerals:

a pump housing; 2. a water intake channel; 3. a flange; 4. an impeller assembly; 401. an impeller cover; 402. an impeller; 403. an impeller seat; 5. a rotating shaft; 6. coating; 601. polyethylene glycol; 602. an epoxy resin; 603. ceramic particles.

Detailed Description

The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, 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 high-efficiency energy-saving water pump for a waste heat power station through improvement, and the technical scheme of the utility model is as follows:

as shown in fig. 1-6, the high-efficiency energy-saving water pump for the waste heat power station comprises a pump shell 1 and an impeller assembly 4 installed inside the pump shell 1, wherein a first installation hole is formed in the top of the pump shell 1, a second installation hole is formed in the middle of the outer wall of one side of the pump shell 1, a water outlet channel is fixed on the inner wall of the first installation hole, a water suction channel 2 is fixed on the inner wall of the second installation hole, and a coating 6 is coated on the inner wall of the pump shell 1, the inner wall of the water suction channel 2, the inner wall of the water outlet channel and the impeller assembly 4.

Further, the coating 6 is formed by polyethylene glycol 601, epoxy resin 602 and ceramic particles 603 according to the ratio of 1: 1: 2, the polyethylene glycol 601 has excellent lubricity, moisture retention, dispersibility and adhesiveness; the epoxy resin 602 has excellent chemical resistance, especially alkali resistance, strong paint film adhesion, especially to metal, better heat resistance and electrical insulation, and better paint film color retention; the ceramic particles 603 may increase the strength of the entire coating 6.

Furthermore, a flange 3 coaxial with the water absorption channel 2 is fixed on the outer wall of one side of the water absorption channel, and the flange 3 is a connecting piece for pipeline connection.

Furthermore, an annular rotating groove is formed in the middle of the inner wall of one side of the pump shell 1, the annular rotating groove is coaxial with the second mounting hole, and the rotating groove is designed to facilitate supporting of the impeller cover 401 and does not affect radial water absorption.

Further, the impeller assembly 4 includes an impeller cover 401, an outer wall of one side of the impeller cover 401 is rotatably mounted on an inner wall of the rotation groove, and the impeller cover 401 mainly allows the entire impeller assembly 4 to be placed on the rotation groove.

Further, the impeller assembly 4 further includes an impeller seat 403, a fixing hole is formed on an outer wall of one side of the impeller seat 403, a rotating shaft 5 coaxial with the second mounting hole is rotatably mounted on an inner wall of one side of the pump housing 1, the rotating shaft 5 is fixed on an inner wall of the fixing hole, the rotating shaft 5 can be any rod-shaped rotating connecting member in the prior art, and the rotating shaft 5 is used for force transmission.

Further, the impeller assembly 4 further comprises a plurality of impeller blades 402, the impeller blades 402 are equidistantly distributed on the outer peripheral wall of the impeller seat 403, the impeller cover 401 is connected with the impeller seat 403 through the impeller blades 402, the impeller cover 401, the impeller seat 403 and the impeller blades 402 are of an integral structure, the impeller blades 402 gradually become thicker from one end of the impeller cover 401 to one end of the impeller seat 403, the force can be well dispersed to each point inside the impeller blades 402, the problem of overlarge local force cannot exist, the impeller assembly can bear larger force, and the service life can be prolonged.

The working principle is as follows: this water pump reaches energy-conserving effect through coating and structural design, all polishes and all adds coating 6, coating composition earlier impeller lid 401, impeller 402, impeller seat 403, pump case 1, the inner wall of 2 water intaking passageways and the inner wall of water outlet channel: polyethylene glycol, epoxy resin and ceramic particles, so that the coating has the capability of resisting cavitation and abrasion, and the molecular structure of the coating 6 has compactness and can isolate the contact of media such as air, water and the like, thereby improving the running performance of the water pump, reducing the abrasion and simultaneously reducing the hydraulic loss of the water pump; structurally, the impeller blades 402 are gradually thickened from one end of the impeller cover 401 to one end of the impeller seat 403, so that a water channel formed by two adjacent impeller blades 402 is gradually narrowed, the design can ensure that the impeller blades 402 can suck more water in the radial water suction process under the condition of high-speed rotation, and meanwhile, the water channel formed by the two impeller blades 402 is compressed, so that the water pressure is increased, the latitudinal water outlet speed is high, the water pump water power is not easy to lose, even the water power can be increased, the energy-saving water outlet effect is achieved, and the impeller blades 402 are gradually thickened from one end of the impeller cover 401 to one end of the impeller seat 403, so that the force can be well dispersed to each point inside the impeller blades 402, the problem of overlarge local force cannot exist, the impeller blades can bear larger force, and the service life can be prolonged.

The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a waste heat power station is with energy-efficient water pump which characterized in that: the novel water pump comprises a pump shell (1) and an impeller assembly (4) installed inside the pump shell (1), wherein a first mounting hole is formed in the top of the pump shell (1), a second mounting hole is formed in the middle of the outer wall of one side of the pump shell (1), a water outlet channel is fixed on the inner wall of the first mounting hole, a water suction channel (2) is fixed on the inner wall of the second mounting hole, and a coating (6) is coated on the inner wall of the pump shell (1), the inner wall of the water suction channel (2), the inner wall of the water outlet channel and the impeller assembly (4).

2. The high-efficiency energy-saving water pump for the waste heat power station as claimed in claim 1, characterized in that: the coating (6) is prepared from polyethylene glycol (601), epoxy resin (602) and ceramic particles (603) according to the weight ratio of 1: 1: 2, and mixing the components in a ratio of 2.

3. The high-efficiency energy-saving water pump for the waste heat power station as claimed in claim 1, characterized in that: and a flange (3) coaxial with the water suction channel (2) is fixed on the outer wall of one side of the water suction channel.

4. The high-efficiency energy-saving water pump for the waste heat power station as claimed in claim 1, characterized in that: an annular rotating groove is formed in the middle of the inner wall of one side of the pump shell (1), and the annular rotating groove is coaxial with the second mounting hole.

5. The high-efficiency energy-saving water pump for the waste heat power station as claimed in claim 4, characterized in that: the impeller assembly (4) comprises an impeller cover (401), and the outer wall of one side of the impeller cover (401) is rotatably arranged on the inner wall of the rotating groove.

6. The high-efficiency energy-saving water pump for the waste heat power station as claimed in claim 5, characterized in that: the impeller assembly (4) further comprises an impeller seat (403), a fixing hole is formed in the outer wall of one side of the impeller seat (403), a rotating shaft (5) coaxial with the second mounting hole is rotatably mounted on the inner wall of one side of the pump shell (1), and the rotating shaft (5) is fixed on the inner wall of the fixing hole.

7. The high-efficiency energy-saving water pump for the waste heat power station as claimed in claim 6, characterized in that: the impeller assembly (4) further comprises a plurality of impeller blades (402), the impeller blades (402) are distributed on the outer peripheral wall of the impeller seat (403) at equal intervals, the impeller cover (401) is connected with the impeller seat (403) through the impeller blades (402), the impeller cover (401), the impeller seat (403) and the impeller blades (402) are of an integral structure, and the impeller blades (402) gradually become thicker from one end of the impeller cover (401) to one end of the impeller seat (403).