CN202673693U - High-lift and interstage-leakage-free multistage submersible pump - Google Patents
High-lift and interstage-leakage-free multistage submersible pump Download PDFInfo
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- CN202673693U CN202673693U CN 201220309564 CN201220309564U CN202673693U CN 202673693 U CN202673693 U CN 202673693U CN 201220309564 CN201220309564 CN 201220309564 CN 201220309564 U CN201220309564 U CN 201220309564U CN 202673693 U CN202673693 U CN 202673693U
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Abstract
The utility model belongs to the technical field of water pumps, and more particularly relates to a high-lift and interstage-leakage-free multistage submersible pump. The high-lift and interstage-leakage-free multistage submersible pump comprises a rotating shaft which is sequentially arranged in a suction part, a low-pressure transmission part, an intermediate transition part, a high-pressure transmission part and a pump connecting part in a penetrating manner, wherein the low-pressure transmission part comprises a plurality of low-pressure section shells which are connected to each other in series, and a sealing pad is respectively arranged between adjacent low-pressure section shells, at a clamping part between each low-pressure section shell and the intermediate transition part and at a clamping part between each low-pressure section shell and the suction part; and the high-pressure transmission part comprises a plurality of high-pressure section shells which are connected to each other in series, and an O-shaped seal ring is respectively arranged at a clamping part between the adjacent high-pressure section shells and a clamping part between each high-pressure section shell and the pump connecting part. According to the high-lift and interstage-leakage-free multistage submersible pump, because a sealing mode of combining sealing of the sealing pads and sealing of the O-shaped seal rings is adopted, the sealing performance of the submersible pump which operates at high lift is effectively ensured, and the working efficiency of the submersible pump is improved.
Description
Technical field
The utility model belongs to the pump technology field, is specifically related to a kind of Multiple Sinking Pump of a high-lift and stepless leakage.
Background technique
Submersible pump is a kind of drainage equipment that is widely used in the industries such as coal, metallurgy, electric power.In recent ten years along with the continuous intensification of the mine degree of depth, coal industry requires more and more higher to the diving lift of pump, when the diving lift of pump reaches 1000 meters and when above, traditional submersible pump because of structural limitations so that between the pump section of submersible pump owing to the sealing the destroyed leakage phenomenon that occurs, thereby cause the working efficiency of submersible pump to reduce, operating cost increases, and therefore demands urgently improving.
Summary of the invention
The purpose of this utility model provides a kind of Multiple Sinking Pump of a high-lift and stepless leakage, the submersible pump seal leakage problem when this Multiple Sinking Pump has solved high-lift operation, and this submersible pump operates steadily simultaneously, and is safe and reliable.
For achieving the above object, the technological scheme that the utility model adopts is: a kind of Multiple Sinking Pump of a high-lift and stepless leakage, comprise suction part, low-voltage transmission part, high-voltage transmission part and pump machine coupling part, be provided with the middle transition part that connects the two between described low-voltage transmission part and the high-voltage transmission part; Submersible pump also comprises the rotating shaft that is located in successively in suction part, low-voltage transmission part, middle transition part, high-voltage transmission part and the pump machine coupling part, it is characterized in that: comprise a plurality of each other low pressure stage housings of serial connection in the described low-voltage transmission part, and the access section between the adjacent low pressure stage housing, between low pressure stage housing and middle transition access section, low pressure stage housing and the suction part between partly is provided with sealing gasket; Comprise a plurality of each other high pressure section housings of serial connection in the described high-voltage transmission part, and the access section between the access section between the adjacent high pressure section housing and high pressure section housing and the pump machine coupling part is provided with the O RunddichtringO.
Simultaneously, the utility model can also be able to further realization by following technical measures:
Further, described suction part is made of the water absorbing section, changeover portion, the Spit Section that link to each other successively, and described water absorbing section, changeover portion, Spit Section all are set in the rotating shaft, and are provided with the sheathed suction impeller that is fixed in the rotating shaft in the water absorbing section; Low pressure stage housing phase clamping in described Spit Section and the low-voltage transmission part.
Preferably, described low-voltage transmission part also comprises sheathed low pressure stage impeller and the low pressure stage stator that is fixed in the rotating shaft, described low pressure stage impeller and low pressure stage stator are corresponding one by one, and the low pressure stage stator is arranged on the corresponding low pressure stage impeller back side, and described low pressure stage housing is set in all sides of low pressure stage impeller; Described low pressure stage housing, low pressure stage impeller and low pressure stage stator three consist of a low-voltage transmission mechanism, and described low-voltage transmission mechanism is a plurality of along axially being provided with of rotating shaft; Described high-voltage transmission part also comprises sheathed high pressure section impeller and the high pressure section stator that is fixed in the rotating shaft, described high pressure section impeller and high pressure section stator are corresponding one by one, and the high pressure section stator is arranged on the corresponding high pressure section impeller back side, and described high pressure section housing is set in all sides of high pressure section impeller; Described high pressure section housing, high pressure section impeller and high pressure section stator three consist of a high-voltage transmission mechanism, and described high-voltage transmission mechanism is a plurality of along axially being provided with of rotating shaft.
Further, along the hole that axially being provided with of rotating shaft passed through for pull bar and the runner that supplies fluid to pass through, correspondingly be provided with tie rod hole and runner hole on the described sealing gasket on the described low pressure stage housing; Runner on the described low pressure stage housing is divided into coming water flow passage and supplies water flow passage, wherein come the feed-water end of water flow passage to be connected with the discharge opening of suction part Spit Section, come the waterexit end of water flow passage to be connected with the impeller eye of chopped-off head low-voltage transmission mechanism by the middle transition part; Feed-water end for water flow passage is connected with the exhaust port of final stage low-voltage transmission mechanism, supplies the waterexit end of water flow passage to be connected with the impeller eye of chopped-off head high-voltage transmission mechanism by the middle transition part; The madial wall of described low pressure stage housing and low pressure stage impeller and low pressure stage stator are enclosed the low pressure pump water channel jointly, describedly come water flow passage, low pressure pump water channel and for the water flow passage complete low-pressure water delivery passage of formation that links to each other successively.
Further, axially only be provided with the hole of passing through for pull bar along rotating shaft on the described high pressure section housing, the madial wall of described high pressure section housing and high pressure section impeller and high pressure section stator are enclosed the high-pressure service pump water channel jointly, and the exhaust port of described final stage high-voltage transmission mechanism is connected with the feed-water end of pump machine coupling part.
Preferably, described suction impeller is opposite toward each other with the water intake of low pressure stage impeller, and the water intake of low pressure stage impeller and high pressure section impeller is relative toward each other.
The beneficial effects of the utility model are:
1), the access section of the utility model between access section, low pressure stage housing and suction part between the adjacent low pressure stage housing, between low pressure stage housing and the middle transition part be provided with sealing gasket, and the access section between the access section between the adjacent high pressure section housing and high pressure section housing and pump machine coupling part is provided with the O RunddichtringO.This sealing gasket sealing and the sealing means that the sealing of O RunddichtringO combines have effectively guaranteed the sealability of submersible pump when high-lift, and have improved the working efficiency of submersible pump.
When Multiple Sinking Pump is worked, working pressure in the submersible pump increases gradually from pump sump mouth to water pump drain opening one side, working state when the low-pressure state in the utility model also namely is no more than the Maximum operating pressure of sealing gasket, and high pressure conditions also namely surpasses the Maximum operating pressure of sealing gasket and working state during less than the Maximum operating pressure of O RunddichtringO.
2), suction impeller in the utility model is opposite toward each other with the water intake of low pressure stage impeller, the water intake of low pressure stage impeller and high pressure section impeller is relative toward each other, then when submersible pump is worked, the suffered axial force of the axial force that the low-voltage transmission part is suffered and high-voltage transmission part is pointed to mutually the other side, also be that water pump shaft suffered axial force when pump working is mutual extruding shape, this mode of structure has greatly improved the force-bearing situation of water pump shaft, stationarity and reliability when having guaranteed water pump shaft work, thereby improved the working life of water pump shaft, correspondingly also improved the operation conditions of whole water pump.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of sealing gasket.
Fig. 3 is the A section enlarged view of Fig. 1.
The implication of mark is as follows among the figure:
1-pump machine coupling part 2-high-voltage transmission part 3-middle transition part
6-changeover portion 7-water absorbing section, 4-low-voltage transmission part 5-Spit Section
8-thrust bearing component, 9-thrust shaft block 10-suction impeller
11-pull bar, 12-rotating shaft, 21-high pressure section housing, 22-high pressure section stator
23-high pressure section impeller, 24-O RunddichtringO 41-come water flow passage
42-low pressure stage stator, 43-low pressure stage impeller 44-confession water flow passage
45-low pressure stage housing, 46-sealing gasket, 461-sealing surface
462-tie rod hole, 463-runner hole
Embodiment
As shown in Figure 1, 2, 3, a kind of Multiple Sinking Pump of a high-lift and stepless leakage, comprise suction part, low-voltage transmission part 4, high-voltage transmission part 2 and pump machine coupling part 1, be provided with the middle transition part 3 that connects the two between described low-voltage transmission part 4 and the high-voltage transmission part 2; Submersible pump also comprises the rotating shaft 12 that is located in successively in suction part, low-voltage transmission part 4, middle transition part 3, high-voltage transmission part 2 and the pump machine coupling part 1, comprise a plurality of each other low pressure stage housings 45 of serial connection in the described low-voltage transmission part, and the access section between the adjacent low pressure stage housing 45, between low pressure stage housing 45 and middle transition access section, low pressure stage housing 45 and the suction part between partly is provided with sealing gasket 46; Comprise a plurality of each other high pressure section housings 21 of serial connection in the described high-voltage transmission part, and the access section between the access section between the adjacent high pressure section housing 21 and high pressure section housing 21 and the pump machine coupling part is provided with O RunddichtringO 24.
As a rule, the sealability of O RunddichtringO 24 is PN≤100MPa, be PN≤6MPa and the sealability of asbestos seal pad is sealability, the sealing means that the utility model adopts O RunddichtringO and sealing gasket to combine, good seal performance not only, seal form is simple, and is convenient to processing, and efficient is expensive low.
Further, as shown in Figure 1, described suction part is made of the water absorbing section 7, changeover portion 6, the Spit Section 5 that link to each other successively, and described water absorbing section, changeover portion 6, Spit Section 5 all are set in the rotating shaft 12, and are provided with the sheathed suction impeller 10 that is fixed in the rotating shaft 12 in the water absorbing section; Low pressure stage housing 45 phase clampings in described Spit Section 5 and the low-voltage transmission part.
Preferably, as shown in Figure 1, described low-voltage transmission part also comprises sheathed low pressure stage impeller 43 and the low pressure stage stator 42 that is fixed in the rotating shaft 12, described low pressure stage impeller 43 and low pressure stage stator 42 are corresponding one by one, and low pressure stage stator 42 is arranged on corresponding low pressure stage impeller 43 back sides, and described low pressure stage housing 45 is set in all sides of low pressure stage impeller 43; Described low pressure stage housing 45, low pressure stage impeller 43 and low pressure stage stator 42 threes consist of a low-voltage transmission mechanism, and described low-voltage transmission mechanism is a plurality of along axially being provided with of rotating shaft 12; Described high-voltage transmission part also comprises sheathed high pressure section impeller 23 and the high pressure section stator 22 that is fixed in the rotating shaft 12, described high pressure section impeller 23 and high pressure section stator 22 are corresponding one by one, and high pressure section stator 22 is arranged on corresponding high pressure section impeller 23 back sides, and described high pressure section housing 21 is set in all sides of high pressure section impeller 23; Described high pressure section housing 21, high pressure section impeller 23 and high pressure section stator 22 threes consist of a high-voltage transmission mechanism, and described high-voltage transmission mechanism is a plurality of along axially being provided with of rotating shaft 12.
Further, as shown in Figure 1, 2, along the hole that axially being provided with of rotating shaft 12 passed through for pull bar 11 and the runner that supplies fluid to pass through, correspondingly be provided with tie rod hole 462 and runner hole 463 on the described sealing gasket 46 on the described low pressure stage housing 45; Runner on the described low pressure stage housing 45 is divided into coming water flow passage 41 and supplies water flow passage 44, wherein come the feed-water end of water flow passage 41 to be connected with the discharge opening of suction part Spit Section 5, come the waterexit end of water flow passage 41 to be connected with the impeller eye of chopped-off head low-voltage transmission mechanism by the middle transition part; Feed-water end for water flow passage 44 is connected with the exhaust port of final stage low-voltage transmission mechanism, supplies the waterexit end of water flow passage 44 to be connected with the impeller eye of chopped-off head high-voltage transmission mechanism by the middle transition part; The madial wall of described low pressure stage housing 45 and low pressure stage impeller 43 and low pressure stage stator 42 are enclosed the low pressure pump water channel jointly, describedly come water flow passage 41, low pressure pump water channel and for the water flow passage 44 complete low-pressure water delivery passage of formation that links to each other successively.
Further, as shown in Figure 1, axially only be provided with the hole of passing through for pull bar 11 along rotating shaft 12 on the described high pressure section housing 21, the madial wall of described high pressure section housing 21 and high pressure section impeller 23 and high pressure section stator 22 are enclosed the high-pressure service pump water channel jointly, and the exhaust port of described final stage high-voltage transmission mechanism is connected with the feed-water end of pump machine coupling part 1.
Preferably, as shown in Figure 1, described suction impeller 10 is opposite toward each other with the water intake of low pressure stage impeller 43, and the water intake of low pressure stage impeller 43 and high pressure section impeller 23 is relative toward each other.
Be described further below in conjunction with 1～3 pair of working procedure of the present utility model of accompanying drawing.
As shown in Figure 1, one end of water pump shaft 12 wears and is fixed in the thrust bearing component 8, the outside mask of thrust bearing component 8 is provided with thrust shaft block, and it is affixed with the rotating shaft of motor that the other end of rotating shaft 12 passes water absorbing section 7, changeover portion 6, Spit Section 5, low-voltage transmission part 4, middle transition part 3, high-voltage transmission part 2 and pump machine coupling part 1 successively.
Low-voltage transmission part 4 is made of low pressure stage stator 42, low pressure stage impeller 43, low pressure stage housing 45, between the described adjacent low pressure stage housing 45, between low pressure stage housing 45 and the Spit Section 5 and be provided with asbestos seal pad 46 between low pressure stage housing 45 and the middle transition part 3.
High-voltage transmission part 2 is made of high pressure section housing 21, high pressure section stator 22, high pressure section impeller 23, and the access section between the access section between the described adjacent high pressure section housing 21, high pressure section housing 21 and the pump machine coupling part 1 is provided with O RunddichtringO 24.
Be provided with on the middle transition part 3 be connected with low-voltage transmission part 4 first cross water channel, also be provided be connected with high-voltage transmission part 2 second cross water channel, and described first crosses water channel and second and crosses water channel and be isolated from each other and be not connected.
During work, the flow direction of current is referring to shown in the arrow among Fig. 1, current are entered by the water sucking mouth of water absorbing section 7, enter successively changeover portion 6 and Spit Section 5 after suction impeller 10 pressurizations in water absorbing section 7, and entered to be arranged on by the discharge opening of Spit Section 5 and come water flow passage 41 on the low pressure stage housing 45, current origin water flow passage 41 also is connected by the impeller eye of middle transition part 3 with chopped-off head low-voltage transmission mechanism, current are the madial wall by low pressure stage housing 45 and low pressure stage impeller 43 and the low pressure stage stator 42 low pressure pump water channel of jointly enclosing immediately, pressurized water enters in the confession water flow passage 44 that is arranged on the low pressure stage housing 45, current are by being connected for water flow passage 44 and through the impeller eye of middle transition part 3 with chopped-off head high-voltage transmission mechanism, current enter the high-pressure service pump water channel in the high-voltage transmission part 2 immediately, water after high-voltage transmission part 2 is pressurizeed again enters the water channel of crossing that is arranged in the motor by pump machine coupling part 1, thereby finishes whole water delivery process.
Claims (6)
1. the Multiple Sinking Pump of a high-lift and stepless leakage comprises suction part, low-voltage transmission part, high-voltage transmission part and pump machine coupling part, is provided with the middle transition part that connects the two between described low-voltage transmission part and the high-voltage transmission part; Submersible pump also comprises the rotating shaft (12) that is located in successively in suction part, low-voltage transmission part, middle transition part, high-voltage transmission part and the pump machine coupling part, it is characterized in that: comprise a plurality of each other low pressure stage housings (45) of serial connection in the described low-voltage transmission part, and the access section between the adjacent low pressure stage housing (45), between low pressure stage housing (45) and middle transition access section, low pressure stage housing (45) and the suction part between partly is provided with sealing gasket (46); Comprise a plurality of each other high pressure section housings (21) of serial connection in the described high-voltage transmission part, and the access section between the access section between the adjacent high pressure section housing (21) and high pressure section housing (21) and the pump machine coupling part is provided with O RunddichtringO (24).
2. the Multiple Sinking Pump of a high-lift and stepless leakage according to claim 1, it is characterized in that: described suction part is made of the water absorbing section (7) that links to each other successively, changeover portion (6), Spit Section (5), described water absorbing section (7), changeover portion (6), Spit Section (5) all are set in the rotating shaft (12), and are provided with the sheathed suction impeller (10) that is fixed in the rotating shaft (12) in the water absorbing section; Low pressure stage housing (45) phase clamping in described Spit Section (5) and the low-voltage transmission part.
3. the Multiple Sinking Pump of a high-lift and stepless leakage according to claim 2, it is characterized in that: described low-voltage transmission part also comprises sheathed low pressure stage impeller (43) and the low pressure stage stator (42) that is fixed in the rotating shaft (12), described low pressure stage impeller (43) and low pressure stage stator (42) are corresponding one by one, and low pressure stage stator (42) is arranged on corresponding low pressure stage impeller (43) back side, and described low pressure stage housing (45) is set in all sides of low pressure stage impeller (43); Described low pressure stage housing (45), low pressure stage impeller (43) and low pressure stage stator (42) three consist of a low-voltage transmission mechanism, and described low-voltage transmission mechanism is a plurality of along axially being provided with of rotating shaft (12);
Described high-voltage transmission part also comprises sheathed high pressure section impeller (23) and the high pressure section stator (22) that is fixed in the rotating shaft (12), described high pressure section impeller (23) and high pressure section stator (22) are corresponding one by one, and high pressure section stator (22) is arranged on corresponding high pressure section impeller (23) back side, and described high pressure section housing (21) is set in all sides of high pressure section impeller (23); Described high pressure section housing (21), high pressure section impeller (23) and high pressure section stator (22) three consist of a high-voltage transmission mechanism, and described high-voltage transmission mechanism is a plurality of along axially being provided with of rotating shaft (12).
4. the Multiple Sinking Pump of a high-lift and stepless leakage according to claim 3, it is characterized in that: described low pressure stage housing (45) is upper along the hole that axially being provided with of rotating shaft (12) passed through for pull bar (11) and the runner that supplies fluid to pass through, and correspondingly is provided with tie rod hole (462) and runner hole (463) on the described sealing gasket (46); Runner on the described low pressure stage housing (45) is divided into coming water flow passage (41) and supplies water flow passage (44), wherein come the feed-water end of water flow passage (41) to be connected with the discharge opening of suction part Spit Section (5), come the waterexit end of water flow passage (41) to be connected with the impeller eye of chopped-off head low-voltage transmission mechanism by the middle transition part; Feed-water end for water flow passage (44) is connected with the exhaust port of final stage low-voltage transmission mechanism, supplies the waterexit end of water flow passage (44) to be connected with the impeller eye of chopped-off head high-voltage transmission mechanism by the middle transition part; The madial wall of described low pressure stage housing (45) and low pressure stage impeller (43) and low pressure stage stator (42) are enclosed the low pressure pump water channel jointly, describedly come water flow passage (41), low pressure pump water channel and for water flow passage (44) the complete low-pressure water delivery passage of formation that links to each other successively.
5. the Multiple Sinking Pump of a high-lift and stepless leakage according to claim 3, it is characterized in that: described high pressure section housing (21) is upper axially only to be provided with the hole of passing through for pull bar (11) along rotating shaft (12), the madial wall of described high pressure section housing (21) and high pressure section impeller (23) and high pressure section stator (22) are enclosed the high-pressure service pump water channel jointly, and the exhaust port of described final stage high-voltage transmission mechanism is connected with the feed-water end of pump machine coupling part.
6. the Multiple Sinking Pump of a high-lift and stepless leakage according to claim 4, it is characterized in that: described suction impeller (10) is opposite toward each other with the water intake of low pressure stage impeller (43), and low pressure stage impeller (43) is relative toward each other with the water intake of high pressure section impeller (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220309564 CN202673693U (en) | 2012-06-28 | 2012-06-28 | High-lift and interstage-leakage-free multistage submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220309564 CN202673693U (en) | 2012-06-28 | 2012-06-28 | High-lift and interstage-leakage-free multistage submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202673693U true CN202673693U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220309564 Expired - Fee Related CN202673693U (en) | 2012-06-28 | 2012-06-28 | High-lift and interstage-leakage-free multistage submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202673693U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734173A (en) * | 2012-06-28 | 2012-10-17 | 合肥恒大江海泵业股份有限公司 | High-lift and interstage leakage-free multi-level submersible pump |
| CN112283148A (en) * | 2020-11-12 | 2021-01-29 | 重庆水泵厂有限责任公司 | Water outlet section sealing structure of self-balancing double-shell multistage centrifugal pump |
-
2012
- 2012-06-28 CN CN 201220309564 patent/CN202673693U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734173A (en) * | 2012-06-28 | 2012-10-17 | 合肥恒大江海泵业股份有限公司 | High-lift and interstage leakage-free multi-level submersible pump |
| CN112283148A (en) * | 2020-11-12 | 2021-01-29 | 重庆水泵厂有限责任公司 | Water outlet section sealing structure of self-balancing double-shell multistage centrifugal pump |
| CN112283148B (en) * | 2020-11-12 | 2022-06-10 | 重庆水泵厂有限责任公司 | Water outlet section sealing structure of self-balancing double-shell multistage centrifugal pump |
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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: 20130116 Termination date: 20150628 |
|
| EXPY | Termination of patent right or utility model |