CN102734173A - High-lift and interstage leakage-free multi-level submersible pump - Google Patents
High-lift and interstage leakage-free multi-level submersible pump Download PDFInfo
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- CN102734173A CN102734173A CN2012102173260A CN201210217326A CN102734173A CN 102734173 A CN102734173 A CN 102734173A CN 2012102173260 A CN2012102173260 A CN 2012102173260A CN 201210217326 A CN201210217326 A CN 201210217326A CN 102734173 A CN102734173 A CN 102734173A
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Abstract
The invention belongs to the technical field of water pumps, and particularly relates to a high-lift and interstage leakage-free multi-level submersible pump. The submersible pump comprises a rotation shaft which sequentially penetrates through a suction part, a low-pressure transmission part, a middle transition part, a high-pressure transmission part and a pump and machine connection part; the low-pressure transmission part comprises a plurality of low-pressure section shells which are connected in series, and sealing gaskets are arranged between adjacent low-pressure section shells and on clamping parts between the low-pressure section shells and the middle transition part, and clamping parts between the low-pressure section shells and the suction part; and the high-pressure transmission part comprises a plurality of high-pressure section shells which are connected in series, and O-shaped sealing rings are arranged on clamping parts between adjacent high-pressure section shells and clamping parts between the high-pressure section shells and the pump and machine connection part. By the sealing mode of combining sealing of the sealing gaskets and the sealing of the O-shaped sealing rings, so that the sealing performance of the submersible pump in the high lift can be effectively guaranteed, and the working efficiency of the submersible pump is improved.
Description
Technical field
The invention belongs to the pump technology field, be 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 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 increasingly high to the diving lift of pump; When the diving lift of pump reaches 1000 meters and when above, traditional submersible pump leakage phenomenon occur because sealing is destroyed because of structural limitations makes between the pump section of submersible pump, thereby causes the working efficiency reduction of submersible pump; Operating cost increases, and therefore demands urgently improving.
Summary of the invention
Submersible pump seal leakage problem when the Multiple Sinking Pump that the purpose of this invention is to provide an a kind of high-lift and stepless leakage, this Multiple Sinking Pump have solved high-lift the operation, this submersible pump operates steadily simultaneously, and is safe and reliable.
For realizing the foregoing invention purpose; The technological scheme that the present invention adopted is: a kind of Multiple Sinking Pump of a high-lift and stepless leakage; Comprise sucking part, low pressure hop, high-voltage transmission part and pump machine coupling part, be provided with the middle transition part that connects the two between said low pressure hop and the high-voltage transmission part; Submersible pump also comprises the rotating shaft that is located in successively in suction part, low pressure hop, middle transition part, high-voltage transmission part and the pump machine coupling part; It is characterized in that: comprise a plurality of low pressure stage housings of serial connection each other in the said low pressure hop, and the access section between the adjacent low pressure stage housing, between low pressure stage housing and the middle transition part, low pressure stage housing are provided with sealing gasket with access section between the suction partly; Comprise a plurality of high pressure section housings of serial connection each other in the said 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 present invention can also be able to further realization through following technical measures:
Further, the said part that sucks is made up of the water absorbing section, changeover portion, the Spit Section that link to each other successively, and said 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 clamping mutually in said Spit Section and the low pressure hop.
Preferably; Said low pressure hop also comprises sheathed low pressure stage impeller and the low pressure stage stator that is fixed in the rotating shaft; Said 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 said low pressure stage housing is set in all sides of low pressure stage impeller; Said low pressure stage housing, low pressure stage impeller and low pressure stage stator three constitute a low pressure transfer mechanism, and said low pressure transfer mechanism is a plurality of along axially being provided with of rotating shaft; Said high-voltage transmission part also comprises sheathed high pressure section impeller and the high pressure section stator that is fixed in the rotating shaft; Said 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 said high pressure section housing is set in all sides of high pressure section impeller; Said high pressure section housing, high pressure section impeller and high pressure section stator three constitute a high-voltage transmission mechanism, and said high-voltage transmission mechanism is a plurality of along axially being provided with of rotating shaft.
Further, axially being provided with of said low pressure stage housing upper edge rotating shaft supplies pull bar hole of passing through and the runner that supplies fluid to pass through, and correspondingly is provided with tie rod hole and runner hole on the said sealing gasket; Runner on the said low pressure stage housing is divided into coming water flow passage and water supply runner; Wherein come the feed-water end of water flow passage to be connected, come the waterexit end of water flow passage to be connected with the impeller eye of chopped-off head low pressure transfer mechanism through the middle transition part with the discharge opening that sucks the part Spit Section; The feed-water end of water supply runner is connected with the exhaust port of final stage low pressure transfer mechanism, and the waterexit end of water supply runner is connected with the impeller eye of chopped-off head high-voltage transmission mechanism through the middle transition part; The madial wall of said low pressure stage housing and low pressure stage impeller and low pressure stage stator one common peripheral are synthesized the low pressure pump water channel, saidly come water flow passage, low pressure pump water channel and water supply runner to link to each other successively to constitute a complete low-pressure water delivery passage.
Further; The axial hole that supplies pull bar to pass through that only is provided with of said high pressure section housing upper edge rotating shaft; The madial wall of said high pressure section housing and high pressure section impeller and high pressure section stator one common peripheral are synthesized the high-pressure service pump water channel, and the exhaust port of said final stage high-voltage transmission mechanism is connected with the feed-water end of pump machine coupling part.
Preferably, the water intake of said suction impeller and low pressure stage impeller is opposite toward each other, and the water intake of low pressure stage impeller and high pressure section impeller is relative toward each other.
Beneficial effect of the present invention is:
1), the present invention at access section, low pressure stage housing between the adjacent low pressure stage housing, between low pressure stage housing and the middle transition part and the access section between sucking partly 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 guaranteed the sealability of submersible pump when high-lift effectively, and have improved the working efficiency of submersible pump.
When Multiple Sinking Pump is worked; Working pressure in the submersible pump increases from pump sump mouth to water pump drain opening one side gradually; Working state when the low-pressure state among the present invention also promptly is no more than the Maximum operating pressure of sealing gasket, and high pressure conditions also promptly surpasses Maximum operating pressure and the working state during less than the Maximum operating pressure of O RunddichtringO of sealing gasket.
2), the water intake of suction impeller among the present invention and low pressure stage impeller is opposite toward each other; The water intake of low pressure stage impeller and high pressure section impeller is relative toward each other; Then when submersible pump was worked, the suffered axial force of axial force that the low pressure hop is suffered and high-voltage transmission part was pointed to the other side mutually, also was that water pump rotating 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 rotating shaft; Guarantee stationarity and reliability when the water pump rotating shaft is worked, thereby improved the working life of water pump rotating shaft, correspondingly also improved the operation conditions of whole water pump.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of sealing gasket.
Fig. 3 is the A portion enlarged view of Fig. 1.
The implication of mark is following 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 pressure hop 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-water supply runner
45-low pressure stage housing, 46-sealing gasket, 461-sealing surface
462-tie rod hole, 463-runner hole
Embodiment
Like Fig. 1,2, shown in 3; A kind of Multiple Sinking Pump of a high-lift and stepless leakage; Comprise sucking part, low pressure hop 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 said low pressure hop 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 pressure hop 4, middle transition part 3, high-voltage transmission part 2 and the pump machine coupling part 1; Comprise a plurality of low pressure stage housings 45 of serial connection each other in the said low pressure hop, and the access section between the adjacent low pressure stage housing 45, between low pressure stage housing 45 and the middle transition part, low pressure stage housing 45 are provided with sealing gasket 46 with access section between the suction partly; Comprise a plurality of high pressure section housings 21 of serial connection each other in the said 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, is PN≤6MPa and the sealability of asbestos seal pad is a sealability, the sealing means that the present invention 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; The said part that sucks is made up of the water absorbing section 7, changeover portion 6, the Spit Section 5 that link to each other successively, and said 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 clamping mutually in said Spit Section 5 and the low pressure hop.
Preferably; As shown in Figure 1; Said low pressure hop also comprises the sheathed low pressure stage impeller 43 and low pressure stage stator 42 that is fixed in the rotating shaft 12; Said low pressure stage impeller 43 is corresponding one by one with low pressure stage stator 42, and low pressure stage stator 42 is arranged on corresponding low pressure stage impeller 43 back sides, and said low pressure stage housing 45 is set in all sides of low pressure stage impeller 43; Said low pressure stage housing 45, low pressure stage impeller 43 and low pressure stage stator 42 threes constitute a low pressure transfer mechanism, and said low pressure transfer mechanism is a plurality of along axially being provided with of rotating shaft 12; Said high-voltage transmission part also comprises the sheathed high pressure section impeller 23 and high pressure section stator 22 that is fixed in the rotating shaft 12; Said high pressure section impeller 23 is corresponding one by one with high pressure section stator 22; And high pressure section stator 22 is arranged on corresponding high pressure section impeller 23 back sides, and said high pressure section housing 21 is set in all sides of high pressure section impeller 23; Said high pressure section housing 21, high pressure section impeller 23 and high pressure section stator 22 threes constitute a high-voltage transmission mechanism, and said high-voltage transmission mechanism is a plurality of along axially being provided with of rotating shaft 12.
Further, like Fig. 1, shown in 2, axially being provided with of said low pressure stage housing 45 upper edge rotating shafts 12 supplies pull bar 11 hole of passing through and the runner that supplies fluid to pass through, and correspondingly is provided with tie rod hole 462 and runner hole 463 on the said sealing gasket 46; Runner on the said low pressure stage housing 45 is divided into coming water flow passage 41 and water supply runner 44; Wherein come the feed-water end of water flow passage 41 to be connected, come the waterexit end of water flow passage 41 to be connected with the impeller eye of chopped-off head low pressure transfer mechanism through the middle transition part with the discharge opening that sucks part Spit Section 5; The feed-water end of water supply runner 44 is connected with the exhaust port of final stage low pressure transfer mechanism, and the waterexit end of water supply runner 44 is connected with the impeller eye of chopped-off head high-voltage transmission mechanism through the middle transition part; The madial wall of said low pressure stage housing 45 and low pressure stage impeller 43 and the synthetic low pressure pump water channel of low pressure stage stator 42 one common peripheral saidly come water flow passage 41, low pressure pump water channel and the water supply runner 44 complete low-pressure water delivery passage of formation that links to each other successively.
Further; As shown in Figure 1; The axial hole that supplies pull bar 11 to pass through that only is provided with of said high pressure section housing 21 upper edge rotating shafts 12; The madial wall of said high pressure section housing 21 and high pressure section impeller 23 and the synthetic high-pressure service pump water channel of high pressure section stator 22 one common peripheral, the exhaust port of said 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, said 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 invention of accompanying drawing.
As shown in Figure 1; One end of water pump rotating 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 pressure hop 4, middle transition part 3, high-voltage transmission part 2 and pump machine coupling part 1 successively.
Low pressure hop 4 is made up of low pressure stage stator 42, low pressure stage impeller 43, low pressure stage housing 45, between the said 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 up 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 said adjacent high pressure section housing 21, high pressure section housing 21 and the pump machine coupling part 1 is provided with O RunddichtringO 24.
Middle transition part 3 be provided be connected with low pressure hop 4 first cross water channel, also be provided be connected with high-voltage transmission part 2 second cross water channel, and said 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 got into by the water sucking mouth of water absorbing section 7; Get into changeover portion 6 and Spit Section 5 successively after suction impeller 10 pressurization in water absorbing section 7, and got into 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 through the impeller eye of middle transition part 3 with chopped-off head low pressure transfer mechanism; Current pass through the madial wall low pressure pump water channel synthetic with low pressure stage stator 42 one common peripheral with low pressure stage impeller 43 of low pressure stage housing 45 immediately; Pressurized water gets into and is arranged in the water supply runner 44 on the low pressure stage housing 45, and current are connected by water supply runner 44 and through the impeller eye of middle transition part 3 with chopped-off head high-voltage transmission mechanism, and current get into the high-pressure service pump water channel in the high-voltage transmission part 2 immediately; Water after high-voltage transmission part 2 is pressurizeed once more gets into the water channel of crossing that is arranged in the motor through pump machine coupling part 1, thereby accomplishes whole water delivery process.
Claims (6)
1. the Multiple Sinking Pump of a high-lift and stepless leakage comprises sucking part, low pressure hop, high-voltage transmission part and pump machine coupling part, is provided with the middle transition part that connects the two between said low pressure hop and the high-voltage transmission part; Submersible pump also comprises the rotating shaft (12) that is located in successively in suction part, low pressure hop, middle transition part, high-voltage transmission part and the pump machine coupling part; It is characterized in that: comprise a plurality of low pressure stage housings (45) of serial connection each other in the said low pressure hop, and the access section between the adjacent low pressure stage housing (45), between low pressure stage housing (45) and the middle transition part, low pressure stage housing (45) are provided with sealing gasket (46) with access section between the suction partly; Comprise a plurality of high pressure section housings (21) of serial connection each other in the said 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: the said part that sucks is made up of the water absorbing section (7) that links to each other successively, changeover portion (6), Spit Section (5); Said 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) clamping mutually in said Spit Section (5) and the low pressure hop.
3. the Multiple Sinking Pump of a high-lift and stepless leakage according to claim 2; It is characterized in that: said low pressure hop also comprises sheathed low pressure stage impeller (43) and the low pressure stage stator (42) that is fixed in the rotating shaft (12); Said 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 said low pressure stage housing (45) is set in all sides of low pressure stage impeller (43); Said low pressure stage housing (45), low pressure stage impeller (43) and low pressure stage stator (42) three constitute a low pressure transfer mechanism, and said low pressure transfer mechanism is a plurality of along axially being provided with of rotating shaft (12);
Said 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); Said 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 said high pressure section housing (21) is set in all sides of high pressure section impeller (23); Said high pressure section housing (21), high pressure section impeller (23) and high pressure section stator (22) three constitute a high-voltage transmission mechanism, and said 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: axially being provided with of said low pressure stage housing (45) upper edge rotating shaft (12) supplies pull bar (11) hole of passing through and the runner that supplies fluid to pass through, and correspondingly is provided with tie rod hole (462) and runner hole (463) on the said sealing gasket (46); Runner on the said low pressure stage housing (45) is divided into coming water flow passage (41) and water supply runner (44); Wherein come the feed-water end of water flow passage (41) to be connected, come the waterexit end of water flow passage (41) to be connected with the impeller eye of chopped-off head low pressure transfer mechanism through the middle transition part with the discharge opening that sucks part Spit Section (5); The feed-water end of water supply runner (44) is connected with the exhaust port of final stage low pressure transfer mechanism, and the waterexit end of water supply runner (44) is connected with the impeller eye of chopped-off head high-voltage transmission mechanism through the middle transition part; The madial wall of said low pressure stage housing (45) and low pressure stage impeller (43) and low pressure stage stator (42) one common peripheral are synthesized the low pressure pump water channel, saidly come water flow passage (41), low pressure pump water channel and water supply runner (44) to link to each other successively to constitute a complete low-pressure water delivery passage.
5. the Multiple Sinking Pump of a high-lift and stepless leakage according to claim 3; It is characterized in that: said high pressure section housing (21) upper edge rotating shaft (12) axially only be provided with the hole that supplies pull bar (11) to pass through; The madial wall of said high pressure section housing (21) and high pressure section impeller (23) and high pressure section stator (22) one common peripheral are synthesized the high-pressure service pump water channel, and the exhaust port of said 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: said 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102173260A CN102734173A (en) | 2012-06-28 | 2012-06-28 | High-lift and interstage leakage-free multi-level submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102173260A CN102734173A (en) | 2012-06-28 | 2012-06-28 | High-lift and interstage leakage-free multi-level submersible pump |
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| Publication Number | Publication Date |
|---|---|
| CN102734173A true CN102734173A (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102173260A Pending CN102734173A (en) | 2012-06-28 | 2012-06-28 | High-lift and interstage leakage-free multi-level submersible pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN102734173A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778527A (en) * | 2019-12-06 | 2020-02-11 | 台州轩辕国际贸易有限公司 | High-lift submersible pump and control method |
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|---|---|---|---|---|
| CN2123631U (en) * | 1992-04-22 | 1992-12-02 | 天津市潜水泵厂 | High delivery lift diving water pump |
| CN2304771Y (en) * | 1997-03-15 | 1999-01-20 | 沈阳化工泵制造厂 | Tight sealed multi-stage eccentric pump |
| CN2378554Y (en) * | 1999-06-14 | 2000-05-17 | 刘延军 | Self-balancing multi-stage centrifugal water pump |
| JP2002275869A (en) * | 2001-03-15 | 2002-09-25 | Ishikawajima Harima Heavy Ind Co Ltd | Pump gate |
| CN2672337Y (en) * | 2003-08-28 | 2005-01-19 | 广东凌霄泵业股份有限公司 | Novel seal structure multi stage centrifugal pump |
| CN101782074A (en) * | 2010-02-02 | 2010-07-21 | 山西天波制泵有限公司 | Single downdraft electric driving pump structure capable of automatically balancing axial force |
| CN202673693U (en) * | 2012-06-28 | 2013-01-16 | 合肥恒大江海泵业股份有限公司 | High-lift and interstage-leakage-free multistage submersible pump |
-
2012
- 2012-06-28 CN CN2012102173260A patent/CN102734173A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2123631U (en) * | 1992-04-22 | 1992-12-02 | 天津市潜水泵厂 | High delivery lift diving water pump |
| CN2304771Y (en) * | 1997-03-15 | 1999-01-20 | 沈阳化工泵制造厂 | Tight sealed multi-stage eccentric pump |
| CN2378554Y (en) * | 1999-06-14 | 2000-05-17 | 刘延军 | Self-balancing multi-stage centrifugal water pump |
| JP2002275869A (en) * | 2001-03-15 | 2002-09-25 | Ishikawajima Harima Heavy Ind Co Ltd | Pump gate |
| CN2672337Y (en) * | 2003-08-28 | 2005-01-19 | 广东凌霄泵业股份有限公司 | Novel seal structure multi stage centrifugal pump |
| CN101782074A (en) * | 2010-02-02 | 2010-07-21 | 山西天波制泵有限公司 | Single downdraft electric driving pump structure capable of automatically balancing axial force |
| CN202673693U (en) * | 2012-06-28 | 2013-01-16 | 合肥恒大江海泵业股份有限公司 | High-lift and interstage-leakage-free multistage submersible pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778527A (en) * | 2019-12-06 | 2020-02-11 | 台州轩辕国际贸易有限公司 | High-lift submersible pump and control method |
| CN110778527B (en) * | 2019-12-06 | 2020-05-08 | 台州轩辕国际贸易有限公司 | Control method of high-lift submersible pump |
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Application publication date: 20121017 |