CN202991508U - Single-stage double-suction high-speed pump for oil pipeline - Google Patents
Single-stage double-suction high-speed pump for oil pipeline Download PDFInfo
- Publication number
- CN202991508U CN202991508U CN 201220666215 CN201220666215U CN202991508U CN 202991508 U CN202991508 U CN 202991508U CN 201220666215 CN201220666215 CN 201220666215 CN 201220666215 U CN201220666215 U CN 201220666215U CN 202991508 U CN202991508 U CN 202991508U
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- Prior art keywords
- drive end
- pump
- stage double
- suction
- high speed
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Abstract
The utility model discloses a single-stage double-suction high-speed pump for an oil pipeline. The single-stage double-suction high-speed pump for the oil pipeline comprises a non-drive end bearing housing (2), an impeller (3), a drive end bearing housing (9), a shaft (12), a water pressurizing chamber (13), a water sucking chamber (14), an upper pump body (15), a lower pump body (17), an inlet flange (18) and an outlet flange (19), wherein the impeller (3) is fixed on the shaft (12) by a halving pressure ring (6) and a fixing sleeve (7); the non-drive end bearing housing (2) and the drive end bearing housing (9) are installed at a non-drive end and a drive end of the pump body; the upper pump body (15) is connected with the lower pump body (17); the inlet flange (18) and the outlet flange (19) are positioned on the lower pump body (17); the water pressurizing chamber (13) adopts a volute structure; and the water sucking chamber (14) adopts a semi-spiral structure and is symmetrically arranged. The single-stage double-suction high-speed pump for the oil pipeline is simple in structure, long in lift, large in flow and high in design pressure and can meet a pressurizing requirement of the pipeline.
Description
Technical field
The utility model relates to a kind of petroleum pipeline single-stage double-suction high speed pump.
Background technique
in the long distance line oil pump station, can use a kind of oil transfer pump of large flow high-lift, this pump type is single-stage double-suction pump, rotating speed is at least 3000 rpms (synchronous speed), usually, its design pressure is more than 7.5Mpa, rated lift is more than 200 meters, range of flow 1000-20000 cubic meter per hour, this pump relative volume is little, lightweight, easy for installation, the oil transfer pump of domestic traditional design, rotating speed is up to 1500 rpms (synchronous speed), in order to realize the performance identical with high speed pump, its volume is larger, high-head pump is generally the multi-stage impeller cascaded structure, complex structure, expensive, in addition, the design pressure of domestic single-stage double-suction pump is lower, be generally below 2.5MPa, can't satisfy the requirement of pipeline pressurization.
The model utility content
The purpose of this utility model is to provide a kind of petroleum pipeline single-stage double-suction high speed pump of large flow high-lift.
the technological scheme that the utility model adopts for achieving the above object is: a kind of petroleum pipeline single-stage double-suction high speed pump, comprise non-driven-end bearing casing (2), impeller (3), drive end bearing casing (9), axle (12), pumping chamber (13), suction chamber (14), upper pump casing (15), lower pump body (17), inlet flange (18) and outlet(discharge) flange (19), described impeller (3) adopts minute half pressure ring (6) and fixed cover (7) to be fixed on axle (12), described non-driven-end bearing casing (2) and drive end bearing casing (9) are arranged on respectively anti-drive end and the drive end of the pump housing, described upper pump casing (15) is connected 17 with lower pump body) connect, inlet flange (18) and outlet(discharge) flange (19) are positioned on lower pump body (17), described pumping chamber (13) adopts volute type structure, described suction chamber (14) adopts the semispiral type symmetrical configuration to arrange.
The ingress of described impeller (3) is fixed with removable impeller port ring (5).
Be fixed with removable pump housing choma (9) on described upper pump casing (15) and lower pump body (17).
The drive end of the pump housing and anti-drive end both sides are equipped with throat's lining (8).
The drive end of the pump housing and anti-drive end all are equipped with radially bearing shell (10).
The anti-drive end of the pump housing is equipped with the thrust axis tray (1) of pressure lubrication.
Adopt pad (16) sealing between described upper pump casing (15) and lower pump body (17).
A kind of petroleum pipeline single-stage double-suction of the utility model high speed pump, simple in structure, lift is long, and flow is large, and design pressure is high, can satisfy the requirement of pipeline pressurization.
Description of drawings
Fig. 1 is the plan view of a kind of petroleum pipeline single-stage double-suction of the utility model high speed pump.
Fig. 2 is the side view of a kind of petroleum pipeline single-stage double-suction of the utility model high speed pump.
In figure: 1, thrust axis tray; 2, non-driven-end bearing casing; 3, impeller; 4, pump housing choma; 5, impeller port ring; 6, divide half pressure ring; 7, fixed cover; 8, throat's lining; 9, drive end bearing casing; 10, bearing shell radially; 11, labyrinth ring; 12, axle; 13, pumping chamber; 14, suction chamber; 15, upper pump casing; 16, pad; 17, lower pump body; 18, inlet flange; 19, outlet(discharge) flange.
Embodiment
as depicted in figs. 1 and 2, petroleum pipeline single-stage double-suction high speed pump, comprise non-driven-end bearing casing 2, impeller 3, drive end bearing casing 9, axle 12, pumping chamber 13, suction chamber 14, upper pump casing (15), lower pump body 17, inlet flange 18 and outlet(discharge) flange 19, impeller 3 adopts minute half pressure ring 6 and fixed cover 7 to be fixed on axle 12, described non-driven-end bearing casing 2 and drive end bearing casing 9 are arranged on respectively anti-drive end and the drive end of the pump housing, upper pump casing 15 is connected connection with lower pump body, inlet flange 18 and outlet(discharge) flange 19 are positioned on lower pump body 17, pumping chamber 13 adopts volute type structure, suction chamber 14 adopts the semispiral type symmetrical configuration to arrange, adopt pad 16 sealings in the middle of upper pump casing 15 and lower pump body 17, suction chamber 14 designs of the pump housing are adopted the semispiral type structure and are arranged symmetrically with, and the suction structure of semispiral type makes the import of impeller 3 that uniform velocity field be arranged, impeller 3 entrances flow into even distribution, 13 of pumping chambers adopt volute type structure, the media flow that obtains energy is stable, transformation of energy is abundant, has both solved the equilibrium problem of pump radial force, can realize again the bidirectional movement of pump, realized high efficiency and high-cavitation-resistance energy in the heavy caliber situation by the Hydraulic Design simultaneously, the design of pump housing wall thickness reaches the requirement that design pressure is 7.5MPa, is applicable to high speed operation, impeller 3 is double-sided impeller, balancing axial thrust, impeller 3 adopts minute half pressure rings 6 and is fixed on axle 12 with the fixed cover 7 of Cock screw, and the pump housing of each specification can according to the impeller 3 of four kinds of different flows of operating mode needs configuration of user, be used condition range more extensive, removable impeller port ring 5 is fixed on impeller 3 ingress, and removable pump housing choma 4 is fixed on upper pump casing 15 and lower pump body 17, protects zone easy to wear, on the pump housing, throat's lining 8 is equipped with in drive end and anti-drive end both sides, can reduce a part of high suction pressure to the adverse effect of seal chamber, the pump housing and bearing housing are the axial subdivision form, and inlet flange 18 and outlet(discharge) flange 19 are positioned on lower pump body 17, thus need not detaching pipelines and valve just rotor part can be taken out, it is very convenient to keep in repair, the drive end of pump and anti-drive end all are equipped with radially bearing shell 10, play and bear remaining radial force, anti-drive end also is equipped with the thrust axis tray 1 of pressure lubrication, plays the effect of bearing residual axial force, labyrinth ring 11 sealings are adopted in bearing seal, prevent that external dust from polluting and the leakage of internal lubrication oil, the seal chamber of pump designs according to the API610 standard, can be equipped with various integrated mechanical sealings and encapsulation scheme in the API682 standard, to satisfy harsh service condition.
Claims (7)
1. petroleum pipeline single-stage double-suction high speed pump, it is characterized in that: comprise non-driven-end bearing casing (2), impeller (3), drive end bearing casing (9), axle (12), pumping chamber (13), suction chamber (14), upper pump casing (15), lower pump body (17), inlet flange (18) and outlet(discharge) flange (19), described impeller (3) adopts minute half pressure ring (6) and fixed cover (7) to be fixed on axle (12), described non-driven-end bearing casing (2) and drive end bearing casing (9) are arranged on respectively anti-drive end and the drive end of the pump housing, described upper pump casing (15) is connected 17 with lower pump body) connect, inlet flange (18) and outlet(discharge) flange (19) are positioned on lower pump body (17), described pumping chamber (13) adopts volute type structure, described suction chamber (14) adopts the semispiral type symmetrical configuration to arrange.
2. a kind of petroleum pipeline single-stage double-suction high speed pump according to claim 1, it is characterized in that: the ingress of described impeller (3) is fixed with removable impeller port ring (5).
3. a kind of petroleum pipeline single-stage double-suction high speed pump according to claim 1, is characterized in that: be fixed with removable pump housing choma (4) on described upper pump casing (15) and lower pump body (17).
4. a kind of petroleum pipeline single-stage double-suction high speed pump according to claim 1 is characterized in that: the drive end of the pump housing and anti-drive end both sides are equipped with throat's lining (8).
5. a kind of petroleum pipeline single-stage double-suction high speed pump according to claim 1, it is characterized in that: the drive end of the pump housing and anti-drive end all are equipped with radially bearing shell (10).
6. a kind of petroleum pipeline single-stage double-suction high speed pump according to claim 1, it is characterized in that: the anti-drive end of the pump housing is equipped with the thrust axis tray (1) of pressure lubrication.
7. a kind of petroleum pipeline single-stage double-suction high speed pump according to claim 1, is characterized in that: adopt pad (16) sealing between described upper pump casing (15) and lower pump body (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220666215 CN202991508U (en) | 2012-12-06 | 2012-12-06 | Single-stage double-suction high-speed pump for oil pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220666215 CN202991508U (en) | 2012-12-06 | 2012-12-06 | Single-stage double-suction high-speed pump for oil pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202991508U true CN202991508U (en) | 2013-06-12 |
Family
ID=48562694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220666215 Expired - Fee Related CN202991508U (en) | 2012-12-06 | 2012-12-06 | Single-stage double-suction high-speed pump for oil pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202991508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016351A (en) * | 2012-12-06 | 2013-04-03 | 大耐泵业有限公司 | Single-stage double-suction high-speed pump for oil pipeline |
-
2012
- 2012-12-06 CN CN 201220666215 patent/CN202991508U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016351A (en) * | 2012-12-06 | 2013-04-03 | 大耐泵业有限公司 | Single-stage double-suction high-speed pump for oil pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20141206 |
|
| EXPY | Termination of patent right or utility model |