CN2570501Y - Anti-corrosion and wear-resisting centrifugal pump - Google Patents
Anti-corrosion and wear-resisting centrifugal pump Download PDFInfo
- Publication number
- CN2570501Y CN2570501Y CN 02276995 CN02276995U CN2570501Y CN 2570501 Y CN2570501 Y CN 2570501Y CN 02276995 CN02276995 CN 02276995 CN 02276995 U CN02276995 U CN 02276995U CN 2570501 Y CN2570501 Y CN 2570501Y
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- China
- Prior art keywords
- impeller
- pump
- bearing
- main shaft
- carriage
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- Expired - Fee Related
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Abstract
The utility model relates to an anti-corrosion and anti-abrasion centrifugal pump, which is composed of a pump shell, a pump shell lining, an impeller skeleton, an impeller, a pump cover, a pump cover lining, a joint, a movable joint, a reverse guiding vane, a cavity body, an auxiliary impeller, an auxiliary end cover, a support bracket, a main axle, an anti-loosen axle, an anti-loosen nut, etc. The pump shell lining, the pump cover lining and the impeller are anti-corrosion and anti-abrasion material. The movable joint can be extended or contracted. The anti-loosen axle and the anti-loosen nut enable the impeller to be firmly fixed on the main axle. The utility model with the structure has the advantages of anti-corrosion and anti-abrasion performance, adjustable sealing gap, low axle moving seal pressure, reliable seal, convenient installation and maintenance, low cost and reliable operation. The utility model is a centrifugal pump used for conveying the medium with corroding and abrading performance.
Description
Technical field: the flowing medium that the utility model relates to a kind of conveying is the pump of liquid or liquid and solid mixture, belongs to a kind of centrifugal pump of anticorrosive anti-wear.
Background technique: in the pipe-line system that has fluid to flow, need be used as power engine with pump, increase energy (boost pressure to fluid, improve flow), force liquid by desired pressure or traffic flow, particularly in industry production technological processes such as chemical industry, metallurgy, light industry, the fluid of carrying has different acid, basicity, also contain solid particle simultaneously, when these liquid mediums flow through the runner parts of pump, can produce corrosion and wearing and tearing to the pump flow passage components, the serious pump that causes can not be worked, influence pipeline fluid and carry, bring heavy losses to production.Adopt multiple high hardness alloy material or stainless steel material at present both at home and abroad, or pottery, lining engineering plastics wait the corrosion and wear resistance wearability that improves the pump flow passage components, but because these material price costlinesses, complex manufacturing, the cost height that causes pump is promoted the use of and is restricted.In addition, present pump also exists seal clearance non-adjustable, poor reliability, life-span is short, defectives such as installation and maintenance difficulty, and when having a power failure, safety check leaks when causing the pump counter-rotating does not have locking device, pump impeller is become flexible cause the accident, and influences the proper functioning of whole fluid delivery system.
Summary of the invention: technical problem to be solved in the utility model is that production technology is simple when being to provide a kind of employing to have anticorrosive anti-wear and manufacturing, cost hangs down De Chen Li, the ironcasting of lining shell material and cheap easy making is made shell, the double-layer body anticorrosive anti-wear centrifugal pump of skeleton, this pump has shift joint at entrance point, adopt accessory lobes crop rotation hydrodynamic seal, conical surface seal with adjustable clearance, impeller has anti-reverse mechanism with axle, it is reliable, installation and maintenance are convenient, life-span is long, can improve the working efficiency and the reliability of pipe-line system, and reduce production costs.
The utility model technical solution problem adopts following technological scheme:
The utility model is by pump case, pump case Chen Li, impeller framework, impeller, pump cover, pump cover Chen Li, joint, shift joint, return guide vane, cavity, sub-propeller, oil sealing, axle sleeve, secondary end cap, round nut, carriage, bearing, main shaft, bearing gland, locking axle, lock nut, oil ga(u)ge, plug screw, bolt, nut, compositions such as screw rod, pump case Chen Li, pump cover Chen Li, impeller is the anticorrosive anti-wear material, by heat pressing process respectively with pump case, pump cover, impeller framework sticks together securely, pump cover is connected with pump housing ante-chamber with bolt, joint is connected with pump cover with bolt, shift joint is connected with joint with nut with screw rod, by the position of adjusting nut on screw rod shift joint is elongated or shortened, make things convenient for the installation of pump and pipe-line system, impeller is loaded in the cavity between pump case and the pump cover, impeller connects with main shaft by the screw thread on the impeller framework, it in the main shaft hollow through hole, a locking axle is arranged in the through hole, locking axle one end and impeller framework are by being threaded, the other end is fixed on the main shaft with lock nut, the place that impeller cooperates with pump case has a conical cylinder with angle respectively, keep certain distance between two conical cylinders, form seal clearance, on the main shaft outer cylinder surface, begin from the impeller framework place, sub-propeller is housed successively, axle sleeve, round nut, oil sealing, bearing, round nut and main shaft pass through screw-thread fit, by regulating round nut and rotary main shaft, impeller is moved vertically, and then reach the effect of regulating impeller and pump cover sealing surface gap, return guide vane snaps in the cavity with seam and cavity is connected with pump case with bolt, sub-propeller is positioned at cavity, between axle sleeve and cavity oil sealing is housed, carriage is connected with pump case with bolt, bearing is loaded in the bearing support of carriage, seal with bearing gland respectively at the two ends that bearing is housed in the bearing support of carriage, and bearing gland is connected with carriage with bolt, between bearing gland and the main shaft oil sealing is housed, on the bearing support of carriage oil ga(u)ge is housed, plug screw, in the bearing support of carriage lubricant oil is housed, oil ga(u)ge observable oil level, plug screw is used for exhaust, drain the oil, oiling.
The effect of locking axle, lock nut is to make impeller firmly on main shaft, when being used to have a power failure in the pipeline during counter-rotating of liquid return impulsion impeller, prevents from that impeller from unscrewing to fly out from main shaft to cause the accident.
The effect of round nut is when the batter post face seal gap length between impeller and pump cover will be adjusted, by regulating the position of round nut on main shaft and the screw of while rotary main shaft and impeller framework, impeller is moved vertically, thereby batter post face seal gap is adjusted.
The effect of shift joint is by the position of adjustment nut on screw rod, and shift joint is moved vertically, and it is very convenient flexible that pump is connected with pipeline.
Lining Li, lining shell itself are anticorrosive anti-wear materials and in use by abrasion, can change easily after may wear to a certain degree, so only as long as change a small amount of wadding, whole pump are still worked on.
Sub-propeller and return guide vane and oil sealing constitute the main shaft motive sealing, prevent from the reaction force effect of liquid in rotation and sub-propeller convection cell from can reduce oil sealing place pressure by return guide vane, and the pressure that oil sealing is born significantly reduces, thereby improves the reliability of sealing.
The utility model anticorrosive anti-wear with said structure, shift joint and seal clearance are adjustable, and axle motive sealing pressure is low, and sealing is reliable, can prevent that the impeller counter-rotating is loosening, wadding is replaceable, be a kind of centrifugal pump that is used to carry corrosion that the abrasiveness medium is arranged, and installation and maintenance is convenient, cost is low, reliable, sealing life is long, thereby has improved the efficient and the reliability of fed sheet of a media work.
Description of drawings:
Fig. 1 is overall structure figure of the present utility model.
Embodiment: as shown in Figure 1, the utility model is by pump case 3, pump case Chen Li 33, impeller framework 34, impeller 4, pump cover 2, pump cover Chen Li 35, joint 1, shift joint 40, return guide vane 5, cavity 6, sub-propeller 7, oil sealing 8,20,26, axle sleeve 9, secondary end cap 10, round nut 11, carriage 12, bearing 13,21, main shaft 14, bearing gland 15,27, locking axle 17, lock nut 18, oil ga(u)ge 23, plug screw 22,24, bolt 16,28,29,31,32,38,39, nut 42, screw rod 43 compositions such as grade, pump case Chen Li 32, pump cover Chen Li 34, impeller 4 is anticorrosive anti-wear materials, by heat pressing process respectively with pump case 3, pump cover 2, impeller framework 34 sticks together securely, pump cover 2 usefulness bolts 38 are connected with pump housing ante-chamber, joint 1 usefulness bolt 39 is connected with pump cover 2, shift joint 40 usefulness screw rods 43 are connected with joint 1 with nut 42, by the position of adjusting nut 42 on screw rod 43 shift joint 40 joints are elongated or shortened, make things convenient for the installation of pump and pipe-line system, impeller 4 is loaded in the cavity between pump case 3 and the pump cover 2, impeller 4 connects with main shaft 14 by the screw thread on the impeller framework 34, it in the main shaft 14 hollow through hole 19, a locking axle 17 is arranged in the through hole 19, locking axle 17 1 ends and impeller framework 34 are by being threaded, the other end is fixed on the main shaft 14 with lock nut 18, the place that impeller 4 cooperates with pump case 3 has a conical cylinder 36 with angle respectively, 37, two conical cylinders 36,37 keep certain distance, form seal clearance, on main shaft 14 outer cylinder surfaces, begin from impeller framework 34 places, sub-propeller 7 is housed successively, axle sleeve 9, round nut 11, oil sealing 8, bearing 13,21, round nut 11 passes through screw-thread fit with main shaft 14, by regulating round nut 11 and rotary main shaft 14, impeller 4 is moved vertically, and then reach the effect of regulating impeller 4 and pump cover 2 sealing surface gaps, return guide vane 5 usefulness seams snap in the cavity 6 and cavity 6 usefulness bolts are connected with pump case 3, sub-propeller 7 is positioned at cavity 6,6 of axle sleeve 9 and cavitys are equipped with oil sealing 30, carriage 12 usefulness bolts 31 are connected with pump case 3, bearing 21, bearing 25 is loaded in the bearing support 25 of carriage 12, bearing gland 15 is used at the two ends that bearing is housed in carriage 12 bearing suppories 25 respectively, 27 seal, and with bolt 16,28 with bearing gland 15,27 are connected with carriage 12, bearing gland 15,27 and main shaft 4 between oil sealing 20 is housed, 26, on the bearing support 25 of carriage 12 oil ga(u)ge 23 is housed, plug screw 19,22, in the bearing support 25 of carriage 12 lubricant oil is housed, oil ga(u)ge 23 observable oil levels, plug screw 19,22 are used for exhaust, drain the oil, oiling.
The effect of locking axle 17, lock nut 18 is that impeller 4 is fixed on the main shaft 14, when being used to have a power failure in the pipeline during 4 counter-rotatings of liquid return impulsion impeller, prevents from that impeller 4 from unscrewing to fly out from main shaft 14 to cause the accident.
The effect of round nut 11 is when the batter post face seal gap length of 2 of impeller 4 and pump covers will be adjusted, by regulating the position of round nut 11 on main shaft 14 and the screw of while rotary main shaft 14 and impeller framework 34, impeller 4 is moved vertically, thereby impeller 4 and 2 batter post face seals of pump cover gap are adjusted.
The effect of shift joint 40 is shift joint 40 to be moved vertically by adjusting the position of nut 42 on screw rod 43, and it is very convenient flexible that pump is connected with pipeline.
Pump case lining Li 33, pump cover lining Li 35, impeller 4 itself are exactly the anticorrosive anti-wear material, and in use by abrasion, can change easily after may wear to a certain degree, so only as long as change a small amount of wadding, whole pump are still worked on.
Sub-propeller 7 and return guide vane 5 and oil sealing 30 constitute the motive sealing of main shafts 14, prevent the reaction force effect of liquid in rotation and sub-propeller 7 convection cells by return guide vane 5, can reduce the pressure at oil sealing 30 places, the pressure that oil sealing 30 is born significantly reduces, thereby has improved sealing reliability.
Claims (1)
1, a kind of anticorrosive anti-wear centrifugal pump is by pump case (3), pump case Chen Li (33), impeller framework (34), impeller (4), pump cover (2), pump cover Chen Li (35), joint (1), shift joint (40), return guide vane (5), cavity (6), sub-propeller (7), oil sealing (8), (20), (26), axle sleeve (9), secondary end cap (10), round nut (11), carriage (12), bearing (13), (21), main shaft (14), bearing gland (15), (27), locking axle (17), lock nut (18), oil ga(u)ge (23), plug screw (22), (24), bolt (16), (28), (29), (31), (32), (38), (39), nut (42), screw rod compositions such as (43), it is characterized in that pump case Chen Li (32), pump cover Chen Li (34), impeller (4) by heat pressing process respectively with pump case (3), pump cover (2), impeller framework (34) sticks together securely, pump cover (2) is connected with pump housing ante-chamber with bolt (38), joint (1) is connected with pump cover (2) with bolt (39), shift joint (40) is connected with joint (1) with nut (42) with screw rod (43), impeller (4) is loaded in the cavity between pump case (3) and the pump cover (2), impeller (4) connects with main shaft (14) by the screw thread on the impeller framework (34), it in the main shaft (14) hollow through hole (19), a locking axle (17) is arranged in the through hole (19), locking axle (17) one ends and impeller framework (34) are by being threaded, the other end is fixed on the main shaft (14) with lock nut (18), the place that impeller (4) cooperates with pump case (3) has a conical cylinder (36) with angle respectively, (37), two conical cylinders (36), (37) keep certain distance between, form seal clearance, on main shaft (14) outer cylinder surface, locate beginning from impeller framework (34), sub-propeller (7) is housed successively, axle sleeve (9), round nut (11), oil sealing (8), bearing (13), (21), round nut (11) passes through screw-thread fit with main shaft (14), return guide vane (5) snaps in cavity (6) with seam, in and cavity (6) bolt is connected with pump case (3), sub-propeller (7) is positioned at cavity (6), between axle sleeve (9) and cavity (6) oil sealing (30) is housed, carriage (12) is connected with pump case (3) with bolt (31), bearing (21), bearing (25) is loaded in the bearing support (25) of carriage (12), bearing gland (15) is used at the two ends that bearing is housed in the bearing support (25) of carriage (12) respectively, (27) seal, and with bolt (16), (28) with bearing gland (15), (27) be connected with carriage (12), bearing gland (15), (27) and oil sealing (20) is housed between the main shaft (4), (26), on the bearing support (25) of carriage (12) oil ga(u)ge (23) is housed, plug screw (19), (22), in the bearing support (25) of carriage (12) lubricant oil is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02276995 CN2570501Y (en) | 2002-08-01 | 2002-08-01 | Anti-corrosion and wear-resisting centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02276995 CN2570501Y (en) | 2002-08-01 | 2002-08-01 | Anti-corrosion and wear-resisting centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2570501Y true CN2570501Y (en) | 2003-09-03 |
Family
ID=33740722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02276995 Expired - Fee Related CN2570501Y (en) | 2002-08-01 | 2002-08-01 | Anti-corrosion and wear-resisting centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2570501Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799015B (en) * | 2009-02-06 | 2012-04-25 | 黄佳华 | Sealing device of pump for molten salt |
| CN104454555A (en) * | 2014-12-10 | 2015-03-25 | 江苏亚梅泵业集团有限公司 | Anti-corrosive wearproof chemical centrifugal pump |
| CN104948469A (en) * | 2015-07-07 | 2015-09-30 | 芜湖环球汽车配件有限公司 | Wear resistant corrosion resisting centrifugal pump |
-
2002
- 2002-08-01 CN CN 02276995 patent/CN2570501Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799015B (en) * | 2009-02-06 | 2012-04-25 | 黄佳华 | Sealing device of pump for molten salt |
| CN104454555A (en) * | 2014-12-10 | 2015-03-25 | 江苏亚梅泵业集团有限公司 | Anti-corrosive wearproof chemical centrifugal pump |
| WO2016090949A1 (en) * | 2014-12-10 | 2016-06-16 | 江苏亚梅泵业集团有限公司 | Anti-corrosive wear-proof chemical centrifugal pump |
| CN104948469A (en) * | 2015-07-07 | 2015-09-30 | 芜湖环球汽车配件有限公司 | Wear resistant corrosion resisting centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |