CN105673512A - Half-opened impeller stainless steel centrifugal pump - Google Patents
Half-opened impeller stainless steel centrifugal pump Download PDFInfo
- Publication number
- CN105673512A CN105673512A CN201610168516.6A CN201610168516A CN105673512A CN 105673512 A CN105673512 A CN 105673512A CN 201610168516 A CN201610168516 A CN 201610168516A CN 105673512 A CN105673512 A CN 105673512A
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- CN
- China
- Prior art keywords
- impeller
- centrifugal pump
- pump
- interstage sleeve
- case assembly
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/20—Mounting rotors on shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2216—Shape, geometry
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a half-opened impeller stainless steel centrifugal pump. The centrifugal pump comprises a pump shell component (4), an impeller (11), a bearing (18), a pump cover (13) and a motor (14). The bearing (18) is sleeved by the impeller (11) by virtue of a shaft sleeve; and one side of the impeller (11) makes contact with a slide stop sleeve I (16) through a spring washer (10), and the other side of the impeller (11) makes contact with a slide stop sleeve II (19) through a mechanical seal (12). The mechanical seal (12) can penetrate through the slide stop sleeve II (19) to be clamped in a cylindrical clamping groove in the pump cover (13); a gap between the slide stop sleeve I (16) and the impeller (11) is adjusted through a stop sleeve nut I (15); and a gap between the slide stop sleeve II (19) and the impeller (11) is adjusted through a stop sleeve nut II (17). The centrifugal pump provides adjustable and controllable impeller gaps, prevents local wear, widens the performance range, and is scientific in design and convenient for operation.
Description
Technical field
The present invention relates to pump housing technical field, particularly relate to a kind of half-opened impeller stainless steel centrifugal pump.
Background technology
Centrifugal pump is classified from different perspectives different names, one of which classification can be divided into centrifugal pump with shrouded impeller, centrifugal pump with open impellerpump and centrifugal pump with semien closed impellerpump, half-opened impeller only has back shroud, it is applicable to conveying and is prone to precipitation or the liquid containing solid suspension, and its efficiency is between open type and centrifugal pump with shrouded impeller.
Centrifugal pump, as a kind of medium conveying apparatus, is widely used. Traditional centrifugal pump is mainly made up of the pump housing, rotating shaft, impeller and gland seal device, and the pump housing is provided with medium inlet port, medium flow export and connects the runner of medium inlet port and medium flow export. Generally, impeller many employings double shrouded wheel, double shrouded wheel is higher to the requirement of runner, and the flow in the pump housing needs to be designed as wider structure, and this type of design can only for the operating mode that pumped (conveying) medium is bigger time use, then cannot implement the conveying to medium for low discharge field. During for carrying the medium of granule, the granule in medium is easily viscous to be blocked up in double shrouded wheel, has influence on centrifugal force, also has influence on the performance of the pumped (conveying) medium of centrifugal pump; Meanwhile, pump body can be impacted corrosion by the granule in medium, makes the pump housing and the too fast abrasion of inner body thereof, shortens the service life of the pump housing.
Transfer efficiency in order to solve to exist in half-opened impeller stainless steel centrifugal pump in prior art is not high, and service life is short, and the technological deficiency of quick abrasion, and the present invention proposes a kind of half-opened impeller stainless steel centrifugal pump.
Summary of the invention
Present invention aim at solving at present both at home and abroad prior art and design principle defect in the field and deficiency, a kind of half-opened impeller stainless steel centrifugal pump of design.
The present invention is realized by techniques below scheme, a kind of half-opened impeller stainless steel centrifugal pump, including pump case assembly, impeller, bearing, pump cover and motor, described impeller is socketed on described bearing by axle sleeve, described impeller side is contacted with slip interstage sleeve one by spring washer, opposite side is contacted by mechanical seal contact slide interstage sleeve two, described mechanical seal can be fastened in the cylindrical shape draw-in groove in described pump cover through described slip interstage sleeve two, described slip interstage sleeve one adjusts the gap between described impeller by interstage sleeve nut one, slip interstage sleeve two adjusts the gap between described impeller by interstage sleeve nut two, described impeller is half-opened impeller.
Further, described centrifugal pump also includes dust cap, middle O, hexagon socket head cap screw, little O, plug screw, big O, hex nut, rubber washer;Described dust cap is connected with described pump case assembly by hexagon socket head cap screw, it is provided with middle O between described pump case assembly and described dust cap, described pump case assembly has entrance, the shell of described pump case assembly is fixed by plug screw and little O, described entrance connects suction casing, and described suction casing is by big further, and O and described pump cover are tightly connected, forming centrifugal pump inner chamber, described impeller is in described inner chamber.
Further, described impeller and described bearing are socketed by axle sleeve, and by hex nut and rubber washer and described bearing seal.
Further, slipper seal between described mechanical seal and slip interstage sleeve two.
Further, described centrifugal pump inlet diameter is 150mm, and rated head is 78m, carries out impeller outer diameter cutting mode first.
Further, described centrifugal pump inlet diameter is 100mm, and rated head is 60m, carries out impeller outer diameter cutting mode first.
Further, the working environment of the centrifugal pump of the present invention is: pumped (conveying) medium temperature less than 260 DEG C, the Ph value 4-10 of pumped (conveying) medium, pumped (conveying) medium is not more than 3.2mm containing Solids Particle Diameter, volume is less than 10%.
Preferably, described centrifugal pump is single-suction single-stage centrifugal pump, and liquid is from a side inflow of impeller.
The centrifugal pump of the present invention is contacted with slip interstage sleeve one by spring washer due to impeller, owing to spring washer has certain elasticity, achieve impeller Elastic Contact, it is advantageously implemented the motor-driven adjustment of impeller and slip interstage sleeve one, in conjunction with following collaborative feature, namely opposite side is contacted by mechanical seal contact slide interstage sleeve two, described mechanical seal can be fastened in the cylindrical shape draw-in groove in described pump cover through described slip interstage sleeve two, described slip interstage sleeve one adjusts the gap between described impeller by interstage sleeve nut one, this gap is also as identical in aforementioned gap, size is adjustable, width runner is controlled optional, widen pump performance scope, compare with double shrouded wheel self-balanced multiple-stage centrifugal pump, the present invention had both been avoided that the concentration abrasion that the local of pump is too fast, and after abrasion occurs, can compensate in certain limit, thus make the operating lifetime of parts, the hydraulic performance of pump is maintained.
In invention, described impeller also can be replaced unshrouded impeller, demands pump is different to tackle people. And the pump of the present invention is removable interchangeable, convenient, flexible, use occasion increases.
The semi-open type centrifugal pump of the present invention can power high, lift is big, and remote realization send bigcatkin willow water. Inventor finds impeller sets cooperation through overtesting, arranges the above-mentioned angle of the specific present invention and inclination angle, utilizes specific angle synergism between water guide blade and splitter vane, realize owing to rotating the vacuum caused maximum, water absorbing force is maximum, it is achieved transmitting power is big, design science. Simple to operate in this present invention, easy to operate, there is bigger practicality, suitable popularization.
In invention, centrifugal pump is with middle O, hexagon socket head cap screw, little O, plug screw, big O, hex nut, rubber washer; Good sealing effect between they and impeller, it is ensured that gap deposit change effect, it is therefore prevented that solid particle accumulates in gap location and causes that concentration of local is worn and torn, and sealing member and impeller will not be made premature breakdown occur, the loss that can only change after will not producing to damage.
Accompanying drawing explanation
Fig. 1 is the structural representation of the half-opened impeller stainless steel centrifugal pump of the present invention.
Fig. 2 is the impeller clearance structural texture schematic diagram of the half-opened impeller stainless steel centrifugal pump of the present invention.
Each component names of the half-opened impeller stainless steel centrifugal pump of the present invention is as follows: dust cap 1, middle O 2, hexagon socket head cap screw 3, pump case assembly 4, little O 5, plug screw 6, big O 7, hex nut 8, rubber washer 9, spring washer 10, impeller 11, mechanical seal 12, pump cover 13, motor 14, interstage sleeve nut 1, slip interstage sleeve 1, interstage sleeve nut 2 17, bearing 18, slip interstage sleeve 2 19.
Detailed description of the invention
Embodiment 1
A kind of half-opened impeller stainless steel centrifugal pump, including pump case assembly 4, impeller 11, bearing 18, pump cover 13 and motor 14, described impeller 11 is socketed on described bearing 18 by axle sleeve, described impeller 11 side is contacted with slip interstage sleeve 1 by spring washer 10, opposite side is by the contact of mechanical seal 12 contact slide interstage sleeve 2 19, described mechanical seal 12 can be fastened in the cylindrical shape draw-in groove in described pump cover 13 through described slip interstage sleeve 2 19, described slip interstage sleeve 1 adjusts the gap between described impeller 11 by interstage sleeve nut 1, slip interstage sleeve 2 19 adjusts the gap between described impeller 11 by interstage sleeve nut 2 17, described impeller 11 is half-opened impeller, described centrifugal pump also includes dust cap 1, middle O 2, hexagon socket head cap screw 3, little O 5, plug screw 6, big O 7, hex nut 8, rubber washer 9, described dust cap 1 is connected with described pump case assembly 4 by hexagon socket head cap screw 3, middle O 2 it is provided with between described pump case assembly 4 and described dust cap 1, described pump case assembly 4 has entrance, the shell of described pump case assembly 4 is fixed by plug screw 6 and little O 5, described entrance connects suction casing, described suction casing is tightly connected with described pump cover 13 by big O 7, form centrifugal pump inner chamber, described impeller 11 is in described inner chamber, described impeller 11 is socketed by axle sleeve with described bearing 18, and sealed with described bearing 18 by hex nut 8 and rubber washer 9, slipper seal between described mechanical seal 12 and slip interstage sleeve 2 19, described centrifugal pump inlet diameter is 150mm, rated head is 78m, carry out impeller outer diameter cutting mode first, pumped (conveying) medium temperature is less than 60 DEG C, the Ph value 4 of pumped (conveying) medium, pumped (conveying) medium is not more than 2.8mm containing Solids Particle Diameter, volume 0.2%, described centrifugal pump is single-suction single-stage centrifugal pump, liquid is from a side inflow of impeller 11.
Embodiment 2
A kind of half-opened impeller stainless steel centrifugal pump, including pump case assembly 4, impeller 11, bearing 18, pump cover 13 and motor 14, described impeller 11 is socketed on described bearing 18 by axle sleeve, described impeller 11 side is contacted with slip interstage sleeve 1 by spring washer 10, opposite side is by the contact of mechanical seal 12 contact slide interstage sleeve 2 19, described mechanical seal 12 can be fastened in the cylindrical shape draw-in groove in described pump cover 13 through described slip interstage sleeve 2 19, described slip interstage sleeve 1 adjusts the gap between described impeller 11 by interstage sleeve nut 1, slip interstage sleeve 2 19 adjusts the gap between described impeller 11 by interstage sleeve nut 2 17, described impeller 11 is half-opened impeller, described centrifugal pump also includes dust cap 1, middle O 2, hexagon socket head cap screw 3, little O 5, plug screw 6, big O 7, hex nut 8, rubber washer 9, described dust cap 1 is connected with described pump case assembly 4 by hexagon socket head cap screw 3, middle O 2 it is provided with between described pump case assembly 4 and described dust cap 1, described pump case assembly 4 has entrance, the shell of described pump case assembly 4 is fixed by plug screw 6 and little O 5, described entrance connects suction casing, described suction casing is tightly connected with described pump cover 13 by big O 7, form centrifugal pump inner chamber, described impeller 11 is in described inner chamber, described impeller 11 is socketed by axle sleeve with described bearing 18, and sealed with described bearing 18 by hex nut 8 and rubber washer 9, slipper seal between described mechanical seal 12 and slip interstage sleeve 2 19, described centrifugal pump inlet diameter is 100mm, rated head is 60m, carry out impeller outer diameter cutting mode first, pumped (conveying) medium temperature less than 250 DEG C, the Ph value 10 of pumped (conveying) medium, containing Solids Particle Diameter 3.0mm in pumped (conveying) medium, volume 8%, described centrifugal pump is single-suction single-stage centrifugal pump, liquid is from a side inflow of impeller 11.
The present invention is not meant to by schematic diagram and description limited, can be varied under the premise without departing from design aim and principle thereof. Above-described embodiment is only one of presently preferred embodiments of the present invention, not limits the practical range of the present invention with this, therefore the equivalence that all shapes under this invention, structure, principle are done changes, and all should be covered by within protection scope of the present invention.
Claims (8)
1. a half-opened impeller stainless steel centrifugal pump, it is characterised in that: include pump case assembly (4), impeller (11), bearing (18), pump cover (13) and motor (14). Described impeller (11) is socketed on described bearing (18) by axle sleeve, described impeller (11) side is contacted with slip interstage sleeve one (16) by spring washer (10), and opposite side is by mechanical seal (12) contact slide interstage sleeve two (19) contact. Described mechanical seal (12) can be fastened in the cylindrical shape draw-in groove in described pump cover (13) through described slip interstage sleeve two (19), described slip interstage sleeve one (16) adjusts the gap between described impeller (11) by interstage sleeve nut one (15), slip interstage sleeve two (19) adjusts the gap between described impeller (11) by interstage sleeve nut two (17), and described impeller (11) is half-opened impeller.
2. centrifugal pump as claimed in claim 1, it is characterised in that: described centrifugal pump also includes dust cap (1), middle O (2), hexagon socket head cap screw (3), little O (5), plug screw (6), big O (7), hex nut (8), rubber washer (9); Described dust cap (1) is connected with described pump case assembly (4) by hexagon socket head cap screw (3), is provided with middle O (2) between described pump case assembly (4) and described dust cap (1). Described pump case assembly (4) has entrance, the shell of described pump case assembly (4) is fixed by plug screw (6) and little O (5), described entrance connects suction casing, described suction casing is tightly connected by big O (7) and described pump cover (13), forming centrifugal pump inner chamber, described impeller (11) is in described inner chamber.
3. centrifugal pump as claimed in claim 2, it is characterized in that: described impeller (11) and described bearing (18) are socketed by axle sleeve, and sealed with described bearing (18) by hex nut (8) and rubber washer (9).
4. centrifugal pump as claimed in claim 3, it is characterised in that: slipper seal between described mechanical seal (12) and slip interstage sleeve two (19).
5. centrifugal pump as claimed in claim 3, it is characterised in that: described centrifugal pump inlet diameter is 150mm, and rated head is 78m, carries out impeller outer diameter cutting mode first.
6. centrifugal pump as claimed in claim 3, it is characterised in that: described centrifugal pump inlet diameter is 100mm, and rated head is 60m, carries out impeller outer diameter cutting mode first.
7. centrifugal pump as claimed in claim 3, it is characterised in that: described centrifugal pump working environment is: pumped (conveying) medium temperature less than 260 DEG C, the pH value 4-10 of pumped (conveying) medium, pumped (conveying) medium is not more than 3.2mm containing Solids Particle Diameter, volume is less than 10%.
8. centrifugal pump as claimed in claim 3, it is characterised in that: described centrifugal pump is single-suction single-stage centrifugal pump, and liquid is from the side person who lives in exile of impeller (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168516.6A CN105673512B (en) | 2016-03-22 | 2016-03-22 | A kind of half-opened impeller stainless steel centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168516.6A CN105673512B (en) | 2016-03-22 | 2016-03-22 | A kind of half-opened impeller stainless steel centrifugal pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105673512A true CN105673512A (en) | 2016-06-15 |
| CN105673512B CN105673512B (en) | 2018-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610168516.6A Active CN105673512B (en) | 2016-03-22 | 2016-03-22 | A kind of half-opened impeller stainless steel centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105673512B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382722A (en) * | 2022-01-24 | 2022-04-22 | 山东省章丘鼓风机股份有限公司 | Ceramic impeller with anti-impact fixing structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1314664A (en) * | 1970-07-13 | 1973-04-26 | Wilfley Sons Inc A R | Centrifugal pump and seal means therefor |
| US20090116960A1 (en) * | 2007-11-05 | 2009-05-07 | Sulzer Pumpen Ag | Centrifugal Pump, A Shaft Sleeve And A Stationary Seal Member |
| CN203146356U (en) * | 2013-04-11 | 2013-08-21 | 上海瑞晨环保科技有限公司 | Scissor-type sewage pump |
| CN203412771U (en) * | 2013-07-26 | 2014-01-29 | 上海天泉泵业集团有限公司 | Light-weight vertical multi-stage centrifugal pump |
| CN204299885U (en) * | 2014-11-01 | 2015-04-29 | 邵阳市三良泵业有限公司 | A kind of single-stage double-suction centrifugal pump |
| CN205533269U (en) * | 2016-03-22 | 2016-08-31 | 广东凌霄泵业股份有限公司 | Semi -open impeller stainless steel centrifugal pump |
-
2016
- 2016-03-22 CN CN201610168516.6A patent/CN105673512B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1314664A (en) * | 1970-07-13 | 1973-04-26 | Wilfley Sons Inc A R | Centrifugal pump and seal means therefor |
| US20090116960A1 (en) * | 2007-11-05 | 2009-05-07 | Sulzer Pumpen Ag | Centrifugal Pump, A Shaft Sleeve And A Stationary Seal Member |
| CN203146356U (en) * | 2013-04-11 | 2013-08-21 | 上海瑞晨环保科技有限公司 | Scissor-type sewage pump |
| CN203412771U (en) * | 2013-07-26 | 2014-01-29 | 上海天泉泵业集团有限公司 | Light-weight vertical multi-stage centrifugal pump |
| CN204299885U (en) * | 2014-11-01 | 2015-04-29 | 邵阳市三良泵业有限公司 | A kind of single-stage double-suction centrifugal pump |
| CN205533269U (en) * | 2016-03-22 | 2016-08-31 | 广东凌霄泵业股份有限公司 | Semi -open impeller stainless steel centrifugal pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382722A (en) * | 2022-01-24 | 2022-04-22 | 山东省章丘鼓风机股份有限公司 | Ceramic impeller with anti-impact fixing structure |
| CN114382722B (en) * | 2022-01-24 | 2024-01-30 | 山东省章丘鼓风机股份有限公司 | Ceramic impeller with anti-impact fixing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105673512B (en) | 2018-02-13 |
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Inventor after: Chen Jiachao Inventor after: Li Guangyong Inventor after: Liang Ruijun Inventor before: Chen Jiachao Inventor before: Huang Houqing Inventor before: Liang Ruijun |
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