CN209959477U - High-temperature-resistant double-outlet type single-stage submerged pump - Google Patents
High-temperature-resistant double-outlet type single-stage submerged pump Download PDFInfo
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- CN209959477U CN209959477U CN201920553369.3U CN201920553369U CN209959477U CN 209959477 U CN209959477 U CN 209959477U CN 201920553369 U CN201920553369 U CN 201920553369U CN 209959477 U CN209959477 U CN 209959477U
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- pump
- pipe
- flushing
- sliding bearing
- high temperature
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Abstract
The utility model belongs to the technical field of high temperature fluid, a high temperature resistant two export formula single-stage submerged pump is related to, which comprises a pump body, the pump cover, the impeller, the pump shaft, be equipped with the pump cover on the pump body, the pump cover is connected with the under bracing union coupling, be equipped with the sliding bearing body between under bracing union coupling and the last stay tube, be equipped with first flushing port and second flushing port on the sliding bearing body, and through the export of tube coupling to the pump body, the sliding bearing body is connected with first self-flushing pipe and second self-flushing union coupling respectively, the impeller sets up between the pump body and pump cover, the impeller passes through the chuck location on the pump shaft, the two export bilateral symmetry of the two volutes of the pump body, first play liquid runner and second play liquid runner are connected with first drain pipe and. The utility model discloses a two pump bodies of export symmetric design of two volutes, radial dimension symmetry, thermal expansion is even, and pump body, pump cover, stay tube and drain pipe thermal expansion volume are the same basically under the high temperature operating mode, avoid the atress uneven, extension pump life.
Description
Technical Field
The utility model belongs to the technical field of high temperature fluid, in particular to high temperature resistant submerged pump.
Background
High temperature media transport is often involved in the petrochemical industry, such as high temperature lava, phthalic anhydride, and the like. The traditional single-stage submerged pump usually adopts a volute type single-suction single-row design, the radial size of a shell is asymmetric, so that the thermal expansion amount is not uniform, and particularly under a high-temperature working condition, the shell is prone to deflection, the rotor component is prone to eccentric wear, the leakage amount is increased, and finally the pump is prone to vibration exceeding the standard or serious abrasion, and the performance deviates from a working point.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the technical scheme that technical problem that the aforesaid provided took and be: the utility model provides a high temperature resistant two export formula single-stage submerged pump which structural feature lies in: the pump comprises a pump body, a pump cover, an impeller and a pump shaft, wherein the pump cover is arranged on the pump body, the pump cover is connected with a lower supporting pipe, a sliding bearing body is arranged between the lower supporting pipe and an upper supporting pipe, a first flushing hole and a second flushing hole are formed in the sliding bearing body, the first flushing hole and the second flushing hole are connected to an outlet of the pump body through pipelines, the sliding bearing body is respectively connected with a first self-flushing pipe and a second self-flushing pipe, the impeller is arranged between the pump body and the pump cover, the impeller is positioned on the pump shaft through a chuck, the two outlets of the pump body are bilaterally symmetrical, and a first liquid outlet flow channel and a second liquid outlet flow channel are respectively connected with a first liquid outlet.
Furthermore, first drain pipe, second drain pipe, go up the body structure that supporting tube, bottom suspension nest formed by steel pipe and flange welding.
Furthermore, a shaft sleeve is arranged on the pump shaft and is in running fit with a shaft bushing arranged on the sliding bearing body.
Furthermore, the pump body and the pump cover are both provided with wear-resisting rings, and the wear-resisting rings are fixed on the pump body and the pump cover in a screw or spot welding mode.
The utility model has the advantages that: the utility model discloses a two pump bodies of export symmetric design of two volutes, radial dimension symmetry, thermal expansion is even, from washing pipeline and sliding bearing body washing hole symmetric design, and the thermal expansion volume of the pump body, pump cover, stay tube and drain pipe is the same basically under the high temperature operating mode, avoids the atress inequality, prolongs the life of pump.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of a slide bearing body;
in the figure: 1. the pump comprises an upper supporting pipe, 2 sliding bearing bodies, 3 lower supporting pipes, 4 first self-flushing pipes, 5 first liquid outlet pipes, 6 first liquid outlet channels, 7 pump covers, 8 impellers, 9 pump shafts, 10 chucks, 11 pump bodies, 12 second self-flushing pipes, 13 second liquid outlet channels, 14 second liquid outlet pipes, 15 first flushing holes and 16 second flushing holes.
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. The components of the embodiments of the present invention, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
As an example, as shown in fig. 1 and fig. 2, the high-temperature resistant double-outlet type single-stage submerged pump has the structural characteristics that: the pump comprises a pump body 11, a pump cover 7, an impeller 8 and a pump shaft 9, wherein the pump cover 7 is arranged on the pump body 11, the pump cover 7 is connected with a lower supporting pipe 3, a sliding bearing body 2 is arranged between the lower supporting pipe 3 and an upper supporting pipe 1, a first flushing hole 15 and a second flushing hole 16 are arranged on the sliding bearing body 2, the first flushing hole 15 and the second flushing hole 16 are connected to an outlet of the pump body 11 through pipelines, the sliding bearing body 2 is respectively connected with a first self-flushing pipe 4 and a second self-flushing pipe 12, the impeller 8 is arranged between the pump body 11 and the pump cover 7, the impeller 8 is positioned on the pump shaft 9 through a chuck 10, the pump body 11 is bilaterally symmetrical in double-outlet of double volutes, and a first liquid outlet flow channel 6 and a second liquid outlet flow channel 13 are respectively connected with a first.
Furthermore, first drain pipe 5, second drain pipe 14, last supporting tube 1, lower supporting tube 3 are by steel pipe and flange welded integrative structure that forms.
Further, a shaft sleeve is mounted on the pump shaft 9 and is in rotating fit with a shaft bushing mounted on the sliding bearing body 2.
Further, the pump body 11 and the pump cover 7 are both provided with wear-resistant rings, and the wear-resistant rings are fixed on the pump body and the pump cover in a screw or spot welding mode.
When the pump operates, the cavity formed by the pump body 11 and the pump cover 7, the first liquid outlet pipe 5 and the second liquid outlet pipe 14 are filled with media, the radial size of the pump body 11 is symmetrically designed, the first liquid outlet pipe 5 and the second liquid outlet pipe 14 are symmetrically arranged, the first self-cleaning pipe 4 and the second self-cleaning pipe 12 are symmetrically arranged, the problem of aggravation of pump vibration and abrasion caused by uneven thermal expansion caused by high temperature is solved, and the service life of the pump is prolonged.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be dominated by the protection scope of the claims.
Claims (4)
1. The utility model provides a high temperature resistant two export formula single-stage submerged pump which characterized in that: the pump comprises a pump body, a pump cover, an impeller and a pump shaft, wherein the pump cover is arranged on the pump body, the pump cover is connected with a lower supporting pipe, a sliding bearing body is arranged between the lower supporting pipe and an upper supporting pipe, a first flushing hole and a second flushing hole are formed in the sliding bearing body, the first flushing hole and the second flushing hole are connected to an outlet of the pump body through pipelines, the sliding bearing body is respectively connected with a first self-flushing pipe and a second self-flushing pipe, the impeller is arranged between the pump body and the pump cover, the impeller is positioned on the pump shaft through a chuck, the double-volute outlets of the pump body are bilaterally symmetrical, and a first liquid outlet flow channel and a second liquid outlet flow channel are respectively connected with a first liquid.
2. A high temperature resistant dual outlet single stage submersible pump as defined in claim 1 wherein: first drain pipe, second drain pipe, go up the body structure that supporting tube, under bracing pipe formed by steel pipe and flange welding.
3. A high temperature resistant dual outlet single stage submersible pump as defined in claim 1 wherein: the pump shaft is provided with a shaft sleeve which is in running fit with a shaft bushing arranged on the sliding bearing body.
4. A high temperature resistant dual outlet single stage submersible pump as defined in claim 1 wherein: the pump body and the pump cover are both provided with wear-resisting rings, and the wear-resisting rings are fixed on the pump body and the pump cover in a screw or spot welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920553369.3U CN209959477U (en) | 2019-04-23 | 2019-04-23 | High-temperature-resistant double-outlet type single-stage submerged pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920553369.3U CN209959477U (en) | 2019-04-23 | 2019-04-23 | High-temperature-resistant double-outlet type single-stage submerged pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209959477U true CN209959477U (en) | 2020-01-17 |
Family
ID=69243176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920553369.3U Expired - Fee Related CN209959477U (en) | 2019-04-23 | 2019-04-23 | High-temperature-resistant double-outlet type single-stage submerged pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209959477U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536077A (en) * | 2020-05-11 | 2020-08-14 | 河海大学 | High-specific-speed double-outlet volute centrifugal pump |
| CN111536076A (en) * | 2020-05-11 | 2020-08-14 | 河海大学 | Medium-specific-speed double-outlet volute pump |
| CN111577661A (en) * | 2020-05-11 | 2020-08-25 | 河海大学 | High-specific-speed double-outlet volute pump |
| CN112963377A (en) * | 2021-03-29 | 2021-06-15 | 西安航天泵业有限公司 | Vertical pump with guide bearing body provided with heat-insulating jacket |
-
2019
- 2019-04-23 CN CN201920553369.3U patent/CN209959477U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536077A (en) * | 2020-05-11 | 2020-08-14 | 河海大学 | High-specific-speed double-outlet volute centrifugal pump |
| CN111536076A (en) * | 2020-05-11 | 2020-08-14 | 河海大学 | Medium-specific-speed double-outlet volute pump |
| CN111577661A (en) * | 2020-05-11 | 2020-08-25 | 河海大学 | High-specific-speed double-outlet volute pump |
| CN112963377A (en) * | 2021-03-29 | 2021-06-15 | 西安航天泵业有限公司 | Vertical pump with guide bearing body provided with heat-insulating jacket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200117 Termination date: 20200423 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |