CN201851370U - Explosion-proof type submersible desilting electric pump for high-lift mine - Google Patents
Explosion-proof type submersible desilting electric pump for high-lift mine Download PDFInfo
- Publication number
- CN201851370U CN201851370U CN2010205002693U CN201020500269U CN201851370U CN 201851370 U CN201851370 U CN 201851370U CN 2010205002693 U CN2010205002693 U CN 2010205002693U CN 201020500269 U CN201020500269 U CN 201020500269U CN 201851370 U CN201851370 U CN 201851370U
- Authority
- CN
- China
- Prior art keywords
- impeller
- electric pump
- suppression
- submersible motor
- mine explosion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to an explosion-proof type submersible desilting electric pump for a high-lift mine. An explosion-proof wiring room (1) is sequentially connected with a mining explosion-proof submersible motor (2), an oil chamber (7), an electric pump body (9), a diversion shell (10) and a base (13) from top to bottom; an output rotating shaft (6) of the mining explosion-proof submersible motor (2) sequentially passes through the oil chamber (7), the electric pump body (9) and the diversion shell (10) to extend into the base (13); an outlet at the bottom of the mining explosion-proof submersible motor (2) is provided with a mechanical seal (5); a last-stage impeller (8) is positioned in the electric pump body (9); the top of the last-stage impeller (8) extends out of the electric pump body (9), and a rear cavity (16) is formed between the last-stage impeller (8) and the oil chamber (7); an intermediate impeller (20) and a head-stage impeller (11) are positioned in the diversion shell (10); and the last-stage impeller (8), the intermediate impeller (20) and the head-stage impeller (11) are driven to rotate by the mining explosion-proof submersible motor (2) through the output rotating shaft (6).
Description
Technical field
The utility model provides a kind of high lift mining flame-proof type submersible sand discharging electric pump.
Background technique
Present employed submersible sand discharging electric pump by the high pressure place diversion of the pump housing to cooling jacket, discharge by reflow pipe again, thereby realize the purpose of cooling motor, but there is the defective of following several respects in actual use in this structure: 1, the product whole efficiency adopts oppositely water inlet, and the cantilever shaft extension is oversize, influence the product run stability, and mechanical shaft extension gap is subject to sand erosion; 2, for high-head pump (more than 100 meters), in order to raise the efficiency, general revolution speed design is higher, and progression is more, but bearing when selecting model be subjected to the restriction of size and less than normal, cause shaft strength unreasonable, working life is shorter; 3, the water circulation use of cooling motor is unreasonable, and product efficiency is descended.
Summary of the invention
The utility model provides a kind of high lift mining flame-proof type submersible sand discharging electric pump, and it not only can improve working life, and can improve reliability of operation, saves customer using cost.
The utility model has adopted following technological scheme: a kind of high lift mining flame-proof type submersible sand discharging electric pump, it comprises flame proof wiring chamber from top to bottom, the mine explosion-suppression submersible motor, the grease chamber, the electric pump pump housing, blower inlet casing and base, flame proof wiring chamber from top to bottom successively with the mine explosion-suppression submersible motor, the grease chamber, the electric pump pump housing, blower inlet casing is connected with base, the output revolving shaft of mine explosion-suppression submersible motor passes the grease chamber successively, the electric pump pump housing and blower inlet casing extend in the base, outlet port in mine explosion-suppression submersible motor bottom is provided with mechanical seal, mechanical seal is enclosed within on the output revolving shaft, on output revolving shaft, also be with impeller, middle impeller and head level impeller, impeller is positioned at the electric pump pump housing, form radial clearance and axial clearance between the back blades of impeller and the electric pump pump housing, the impeller top is stretched out between the electric pump pump housing and the grease chamber and is formed back cavity, middle impeller and head level impeller are positioned at blower inlet casing, the mine explosion-suppression submersible motor drives impeller by output revolving shaft, middle impeller and head level wheel rotation, in base, be provided with water intake, communicate in water intake and the blower inlet casing.
The outer surface of described mine explosion-suppression submersible motor is surrounded by cooling jacket, and the bottom of cooling jacket is provided with the water inlet, and the water inlet communicates with back cavity, and the top of cooling jacket is provided with osculum, and an end of osculum communicates with back cavity, and the other end stretches out cooling jacket.The top of described output revolving shaft is by the supporting of the motor bearings in the mine explosion-suppression submersible motor, and the bottom is by the guide bearing supporting that is provided with in the base.
The utlity model has following beneficial effect: form radial clearance and axial clearance between the back blades of impeller of the present utility model and the electric pump pump housing; make the highly pressurised liquid in the electric pump pump housing under the effect of back blades, enter back cavity by adjusting radial clearance and axial clearance; introduce in water inlet by cooling jacket; and discharge by osculum; so not only can avoid mechanical seal to be subjected to the effect of high pressure; guarantee that mechanical seal moves reliably and with long-term; improved the working life of mechanical seal; guarantee motor not to be subjected to the immersion of high pressure water and damage; and can balance the section axial power of pump; thereby reduce the load of motor bearings; improve the reliable running life of motor bearings; adopt leakage liquid after the balancing axial thrust step-down motor outer surface of flowing through; cooling motor descends its consumption greatly, thereby has also just improved product efficiency.The utility model supports output revolving shaft by the guide bearing in machine shaft and the base, so not only can improve the smoothness of operation of electric pump bracketed part, and can improve the operating reliability of electric pump.The utility model significantly reduces the water leakage rate of cooling motor, thereby has improved the overall efficiency of pump owing to the effect of impeller back blades in addition.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the structural representation of the utility model back blades
Embodiment
In Fig. 1 and Fig. 2, the utility model is a kind of high lift mining flame-proof type submersible sand discharging electric pump, it comprises flame proof wiring chamber 1 from top to bottom, mine explosion-suppression submersible motor 2, grease chamber 7, the electric pump pump housing 9, blower inlet casing 10 and base 13, flame proof wiring chamber 1 from top to bottom successively with mine explosion-suppression submersible motor 2, grease chamber 7, the electric pump pump housing 9, blower inlet casing 10 is connected with base 13, the output revolving shaft 6 of mine explosion-suppression submersible motor 2 passes grease chamber 7 successively, the electric pump pump housing 9 and blower inlet casing 10 extend in the base 13, outlet port in mine explosion-suppression submersible motor 2 bottoms is provided with mechanical seal 5, mechanical seal 5 is enclosed within on the output revolving shaft 6, the top of output revolving shaft 6 is by 4 supportings of the motor bearings in the mine explosion-suppression submersible motor 2, the bottom is by guide bearing 12 supportings that are provided with in the base 13, on output revolving shaft 6, also be with impeller 8, middle impeller 20 and head level impeller 11, impeller 8 is positioned at the electric pump pump housing 9, form radial clearance 14 and axial clearance 15 between the back blades 19 of impeller 8 and the electric pump pump housing 9, impeller 8 tops are stretched out and are formed back cavity 16 between the electric pump pump housing 9 and the grease chamber 7, middle impeller 20 and head level impeller 11 are positioned at blower inlet casing 10, mine explosion-suppression submersible motor 2 drives impeller 8 by output revolving shaft 6, middle impeller 20 and head level impeller 11 rotate, in base 13, be provided with water intake, communicate in water intake and the blower inlet casing 10, outer surface at mine explosion-suppression submersible motor 2 is surrounded by cooling jacket 3, the bottom of cooling jacket 3 is provided with water inlet 17, water inlet 17 communicates with back cavity 16, the top of cooling jacket 3 is provided with osculum 18, one end of osculum 18 communicates with back cavity 16, and the other end stretches out cooling jacket 3.When electric motor starting, drive output revolving shaft 6 rotations by mine explosion-suppression submersible motor 2, and drive impeller 8, middle impeller 20 and 11 rotations of a head level impeller, water is by the water intake flooded suction level impeller 11 of base 13, obtain energy and discharge laggard go in the middle of impeller 20, until being expelled in the electric pump pump housing 9 by impeller 8, the action of going forward side by side can be changed the back with pressure and form discharge.
Claims (3)
1. high lift mining flame-proof type submersible sand discharging electric pump, it is characterized in that it comprises flame proof wiring chamber (1) from top to bottom, mine explosion-suppression submersible motor (2), grease chamber (7), the electric pump pump housing (9), blower inlet casing (10) and base (13), flame proof wiring chamber (1) from top to bottom successively with mine explosion-suppression submersible motor (2), grease chamber (7), the electric pump pump housing (9), blower inlet casing (10) is connected with base (13), the output revolving shaft (6) of mine explosion-suppression submersible motor (2) passes grease chamber (7) successively, the electric pump pump housing (9) and blower inlet casing (10) extend in the base (13), outlet port in mine explosion-suppression submersible motor (2) bottom is provided with mechanical seal (5), mechanical seal (5) is enclosed within on the output revolving shaft (6), on output revolving shaft (6), also be with impeller (8), middle impeller (20) and head level impeller (11), impeller (8) is positioned at the electric pump pump housing (9), form radial clearance (14) and axial clearance (15) between the back blades (19) of impeller (8) and the electric pump pump housing (9), impeller (8) top is stretched out between the electric pump pump housing (9) and grease chamber (7) and is formed back cavity (16), middle impeller (20) and head level impeller (11) are positioned at blower inlet casing (10), mine explosion-suppression submersible motor (2) drives impeller (8) by output revolving shaft (6), middle impeller (20) and head level impeller (11) rotate, in base (13), be provided with water intake, communicate in water intake and the blower inlet casing (10).
2. high lift mining flame-proof type submersible sand discharging electric pump according to claim 1, the outer surface that it is characterized in that described mine explosion-suppression submersible motor (2) is surrounded by cooling jacket (3), the bottom of cooling jacket (3) is provided with water inlet (17), water inlet (17) communicates with back cavity (16), the top of cooling jacket (3) is provided with osculum (18), one end of osculum (18) communicates with back cavity (16), and the other end stretches out cooling jacket (3).
3. high lift mining flame-proof type submersible sand discharging electric pump according to claim 1, the top that it is characterized in that described output revolving shaft (6) is by the supporting of the motor bearings (4) in the mine explosion-suppression submersible motor (2), and the bottom is by guide bearing (12) supporting that is provided with in the base (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205002693U CN201851370U (en) | 2010-08-23 | 2010-08-23 | Explosion-proof type submersible desilting electric pump for high-lift mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205002693U CN201851370U (en) | 2010-08-23 | 2010-08-23 | Explosion-proof type submersible desilting electric pump for high-lift mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201851370U true CN201851370U (en) | 2011-06-01 |
Family
ID=44093764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205002693U Expired - Fee Related CN201851370U (en) | 2010-08-23 | 2010-08-23 | Explosion-proof type submersible desilting electric pump for high-lift mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201851370U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015027A (en) * | 2016-08-03 | 2016-10-12 | 浙江美泰泵业科技有限公司 | Deep-well pump |
| CN106640745A (en) * | 2016-12-14 | 2017-05-10 | 衡阳市力源动力制造有限公司 | Multistage vane wheel high-lift sewage electric pump |
-
2010
- 2010-08-23 CN CN2010205002693U patent/CN201851370U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015027A (en) * | 2016-08-03 | 2016-10-12 | 浙江美泰泵业科技有限公司 | Deep-well pump |
| CN106640745A (en) * | 2016-12-14 | 2017-05-10 | 衡阳市力源动力制造有限公司 | Multistage vane wheel high-lift sewage electric pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201723460U (en) | Variable frequency high speed wet-type submersible pump | |
| CN104564717B (en) | Direct driven high-speed turbine vacuum pump and operation method thereof | |
| CN204099261U (en) | Improve canned motorpump self-lubricating structure | |
| CN201546973U (en) | Double-suction submersible sewage pump | |
| CN201851370U (en) | Explosion-proof type submersible desilting electric pump for high-lift mine | |
| CN204267313U (en) | direct-drive high-speed turbine vacuum pump | |
| CN203783910U (en) | Waterpower oil-submerged pump | |
| CN203146392U (en) | Rotary shell pump with flow collecting pipe adopting center bearing at two ends | |
| CN202417954U (en) | Nuclear secondary pump charging pump of 1000MW nuclear power station | |
| CN203441772U (en) | Mine submersible electric pump with double-channel impeller | |
| CN206448969U (en) | A kind of multi-outlet submersible axial-flow pump | |
| CN212615394U (en) | Combined low-cavitation multistage centrifugal pump | |
| CN204805099U (en) | Bulb formula helical blade through -flow pump | |
| CN201273288Y (en) | Submersible sewage electric pump with improved operation reliability | |
| CN2252256Y (en) | Sectional type multistage pump | |
| CN104179655B (en) | A kind of combination type immersible pump | |
| CN203627256U (en) | Submersible electric pump capable of lowering shutdown water level | |
| CN107762890A (en) | A kind of high-lift high-power Diving Pump with Draining Sands with Anti-explosion of high speed | |
| CN221170036U (en) | Novel deep well pump | |
| CN204386892U (en) | Vertical dynamic levitated pump | |
| CN205243563U (en) | Exempt from electric power air cycle impeller | |
| CN208169150U (en) | A kind of high-power Diving Pump with Draining Sands with Anti-explosion of high lift of high speed | |
| CN103603822A (en) | Rotating casing pump with center bearings adopted at two ends of collecting pipe | |
| CN204921443U (en) | Submersible pump for well use | |
| CN217440306U (en) | Permanent magnet high-pressure immersed pump |
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: 20110601 Termination date: 20150823 |
|
| EXPY | Termination of patent right or utility model |