CN209067490U - High-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump - Google Patents
High-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump Download PDFInfo
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- CN209067490U CN209067490U CN201821964173.5U CN201821964173U CN209067490U CN 209067490 U CN209067490 U CN 209067490U CN 201821964173 U CN201821964173 U CN 201821964173U CN 209067490 U CN209067490 U CN 209067490U
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- pump
- piece housing
- multistage
- stage centrifugal
- middle section
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Abstract
The utility model discloses high-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pumps, including pump sucking piece housing and pump out water piece housing, the pump sucks piece housing and pumps out the multistage pump middle section shell for being clamped with and equidistantly distributing between water piece housing, and pump sucks piece housing and pumps out one end that water piece housing is located remotely from each other and pump shaft end cap has been bolted, the inside of two pump shaft end caps passes through packing ring and gland is connected with axle sleeve.In the utility model, when carrying out filling pump inside to pump, drain tap can successively be opened, it is discharged using drain tap, the air by multistage pump middle section shell internal residual of check valve and exhaust main valve successively, guarantee that solution can be full of the inside of entire pump chamber, simultaneously, when the sign of cavitation occurs for pump, drain tap can also successively be opened to be exhausted, avoiding pump, pump housing tremor amplitude is big on startup, meanwhile avoid pump at runtime occur cavitation surge generation, raising pump work process stability.
Description
Technical field
The utility model relates to industrial machinery technical field more particularly to high-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pumps.
Background technique
Centrifugal pump is to be rotated using impeller and make water that centrifugal movement occur come work.Water pump is before activation, it is necessary to make to pump
It is full of water in shell and suction hose, then starts motor, pump shaft impeller and water is made to do high speed rotary motion, centrifugation fortune occurs for water
It is dynamic, be thrown toward impeller outer edge, the runner through volute pump case flows into the pressure pipe road of water pump, horizontal self-balanced multiple-stage centrifugal pump be from
One kind of heart pump, self-balanced multiple-stage centrifugal pump axis rotate under the drive of motor, to liquid work done, increase its energy, from
And make liquid by suction pit via the inlet segment of pump, positive impeller, guide vane, middle section, the horizontal outlet of water exit end, coupling tube,
Secondary inlet segment, anti-impeller, return guide vane, water exit end water-exit vertically mouth after, liquid is endlessly sent out, is mentioned on the whole
The high operational efficiency of pump, reduces shaft power.
But horizontal self-balanced multiple-stage centrifugal pump is when being started, and it is identical with traditional centrifugal pump, need solution to fill
Entire pump chamber, still, due to containing multiple pump chambers inside horizontal self-balanced multiple-stage centrifugal pump, when fill pump there are blind area,
Pump housing tremor amplitude is big on startup, or even the phenomenon that will appear cavitation termination of pumping.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the high-efficiency energy-saving horizontal proposed is certainly
Balance centrifugal multistage pump multiple centrifugal pump.
To achieve the goals above, the utility model adopts the technical scheme that
High-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump, including pump sucking piece housing are inhaled with water piece housing, the pump is pumped out
Enter piece housing and pump out the multistage pump middle section shell for being clamped with and equidistantly distributing between water piece housing, and pumps sucking piece housing and pump
Pump shaft end cap has been bolted in one end that water outlet piece housing is located remotely from each other, and the inside of two pump shaft end caps passes through
Packing ring and gland are connected with axle sleeve, and the same pump shaft is plugged between two axle sleeves, and the pump shaft is located at multistage pump middle section
Pass through fixed pin on the outside of the inside of shell and is bolted impeller of pump and pump guide vane, the circumference of the multistage pump middle section shell
Inner wall offers the diversion trench of spiral distribution, the top row of offering of pump the sucking piece housing and multistage pump middle section shell
Vent hole, and the inner tip of exhaust hole is threaded with check valve, the outlet end of the check valve is connected by pipeline
Have a drain tap, and there is a same exhaust main in the outlet end of drain tap by flanged joint, the pump sucking piece housing and
The bottom end for pumping out water piece housing is welded with support plate, and the bottom of two support plates is welded with mounting seat.
Preferably, one end nozzle of the exhaust main has exhaust main valve by flanged joint, and exhaust main is another
End pipe mouth is enclosed construction.
Preferably, the same gag lever post is connected with by nut between two support plates, and outside the circumference of gag lever post
The limit fastener for equidistantly distributing that cross section is inverted U-shaped structure is connected in the middle part of wall, the top of limit fastener passes through bolt respectively
It is bonded with multistage pump middle section shell.
Preferably, described pump out is provided with balancing frame between water piece housing and pump shaft end cap, and balancing frame by bolt and
Spacer pin is socketed on the outside of pump shaft.
Preferably, the pump shaft extends to the outside of pump shaft end cap close to one end of pump sucking piece housing, and pump shaft is close
One end of pump sucking piece housing is connected with shaft coupling by bolt and positioning pin.
Preferably, the pump sucking piece housing and the outside founding for pumping out water piece housing have the installation set equidistantly distributed
Ring, and be located between two mounting collars of same axis and the same mounting rod is connected with by nut.
Preferably, the side periphery founding of the multistage pump middle section shell has sealing ring, and multistage pump middle section shell
Side periphery offer seal groove.
The utility model has the following beneficial effects:
1, the utility model proposes high-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump, carried out inside to pump fill pump when,
Drain tap can successively be opened, using drain tap, check valve and exhaust main valve successively will be inside multistage pump middle section shell
Remaining air discharge guarantees that solution can be full of the inside of entire pump chamber, meanwhile, it, can also when the sign of cavitation occurs for pump
It is exhausted with successively opening drain tap, avoiding pump, pump housing tremor amplitude is big on startup, meanwhile, avoid pump from sending out at runtime
The phenomenon that raw cavitation surge, occurs, and improves the stability of pump work process.
2, the utility model proposes high-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump, in the circumference of multistage pump middle section shell
Inner wall is provided with the diversion trench of spiral distribution, and diversion trench is distributed in around pump guide vane, follows pump shaft to rotate in impeller of pump
When carrying out feeding, the diversion trench that transported solution enters spiral distribution generates vortex, increases solution inside pump chamber
Energy improves the transfer efficiency of centrifugal pump, has the effect of energy-efficient.
3, the utility model proposes high-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump during installation can be by gag lever post
One end install fix, when carrying out multistage pump middle section shell installation, can use the limiting card of multistage pump middle section shell bottom
It is buckled in the sliding of gag lever post surface orientation, facilitates the installation of centrifugal pump, brings great convenience for maintenance personnel.
Detailed description of the invention
Fig. 1 be the utility model proposes high-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump structural schematic diagram；
Fig. 2 be the utility model proposes high-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump side structure schematic view；
Fig. 3 be the utility model proposes high-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump multistage pump middle section shell structure
Schematic diagram.
In figure: 1 mounting seat, 2 support plates, 3 gag lever posts, 4 shaft couplings, 5 pump shafts, 6 pump shaft end caps, 7 pump sucking piece housings,
8 check valves, 9 drain taps, 10 exhaust main valves, 11 exhaust mains, 12 exhaust holes, 13 impellers of pump, 14 pump guide vanes, 15 balances
Disk, 16 pump out water piece housing, 17 axle sleeves, 18 sealing rings, 19 limit fasteners, 20 multistage pump middle section shells, 21 diversion trenches, 22 installations
Bar.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, high-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump, including pump sucking piece housing 7 and pump water exit end shell
Body 16, pump sucks piece housing 7 and pumps out the multistage pump middle section shell 20 for being clamped with and equidistantly distributing between water piece housing 16, and pumps
It sucks piece housing 7 and pumps out one end that water piece housing 16 is located remotely from each other and pump shaft end cap 6, two pump shaft ends have been bolted
The inside of lid 6 passes through packing ring and gland is connected with axle sleeve 17, and the same pump shaft 5 is plugged between two axle sleeves 17, pump
Axis 5, which is located on the outside of the inside of multistage pump middle section shell 20, to be passed through fixed pin and has been bolted impeller of pump 13 and has pumped guide vane 14,
And impeller of pump 13, close to pump sucking piece housing 7, pump guide vane 14 is close to pump out water piece housing 16, the circumference of multistage pump middle section shell 20
Inner wall offers the diversion trench 21 of spiral distribution, and diversion trench 21 is distributed in around pump guide vane 14, pump sucking 7 He of piece housing
The top of multistage pump middle section shell 20 offers exhaust hole 12, and the inner tip of exhaust hole 12 is threaded with list
To valve 8, the flow direction of check valve 8 is by pump sucking piece housing 7 and the flow direction of multistage pump middle section shell 20 outside, the outlet end of check valve 8
It is connected with drain tap 9 by pipeline, and there is the same exhaust main 11 in the outlet end of drain tap 9 by flanged joint, pumped
Sucking piece housing 7 and the bottom end for pumping out water piece housing 16 are welded with support plate 2, and the bottom of two support plates 2 is welded with
Mounting seat 1.
In the utility model, one end nozzle of exhaust main 11 has exhaust main valve 10, and exhaust main by flanged joint
11 other end nozzle is enclosed construction, is connected with the same gag lever post 3, and gag lever post 3 by nut between two support plates 2
Outer circumferential walls in the middle part of be connected with equidistantly distribute cross section be inverted U-shaped structure limit fastener 19, the top of limit fastener 19
Be bonded with multistage pump middle section shell 20 by bolt respectively, pump out be provided between water piece housing 16 and pump shaft end cap 6 it is flat
Weigh disk 15, and balancing frame 15 is socketed on the outside of pump shaft 5 by bolt and spacer pin, and pump shaft 5 sucks the one of piece housing 7 close to pump
End extends to the outside of pump shaft end cap 6, and pump shaft 5 is connected with close to one end of pump sucking piece housing 7 by bolt and positioning pin
Shaft coupling 4, pump sucking piece housing 7 and the outside founding for pumping out water piece housing 16 have the mounting collar equidistantly distributed, and are located at
The same mounting rod 22, the side of multistage pump middle section shell 20 are connected with by nut between two mounting collars of same axis
Periphery founding has sealing ring 18, and the side periphery of multistage pump middle section shell 20 offers seal groove, sealing ring 18
It is adapted with seal groove.
Working principle: when carrying out filling pump inside to pump, can successively open drain tap 9, utilize drain tap 9, list
It is discharged to the air by 20 internal residual of multistage pump middle section shell of valve 8 and exhaust main valve 10 successively, guarantees that solution can be full of
The inside of entire pump chamber, meanwhile, when the sign of cavitation occurs for pump, it can also successively open drain tap 9 and be exhausted, avoid
Pump housing tremor amplitude is big on startup for pump, meanwhile, avoiding pump, there is a phenomenon where cavitation surge generations at runtime, improve pump work
The stability of process is provided with the diversion trench 21 of spiral distribution, and diversion trench in the circumferential inner wall of multistage pump middle section shell 20
21 are distributed in around pump guide vane 14, and when impeller of pump 13 follows the rotation of pump shaft 5 to carry out feeding, transported solution enters spiral shell
The diversion trench 21 for revolving shape distribution generates vortex, increases energy of the solution inside pump chamber, improves the transfer efficiency of centrifugal pump, have
One end of gag lever post 3 can be installed and be fixed during installation by energy-efficient effect, be pacified carrying out multistage pump middle section shell 20
When dress, the limit fastener 19 that can use 20 bottom of multistage pump middle section shell is slided in 3 surface orientation of gag lever post, facilitates centrifugal pump
Installation, bring great convenience for maintenance personnel.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. high-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump, including pump suck piece housing (7) and pump out water piece housing (16), special
Sign is that the pump sucks piece housing (7) and pumps out the multistage pump middle section for being clamped with and equidistantly distributing between water piece housing (16)
Shell (20), and pump sucking piece housing (7) and pump out one end that water piece housing (16) is located remotely from each other and pump has been bolted
Hubcap (6), the inside of two pump shaft end caps (6) passes through packing ring and gland is connected with axle sleeve (17), and two axis
It is plugged with the same pump shaft (5) between set (17), the pump shaft (5) is located at logical on the outside of the inside of multistage pump middle section shell (20)
It crosses fixed pin and has been bolted impeller of pump (13) and pump guide vane (14), the circumferential inner wall of the multistage pump middle section shell (20) is opened
It opens on the top of diversion trench (21) equipped with spiral distribution, pump sucking piece housing (7) and multistage pump middle section shell (20)
Inner tip equipped with exhaust hole (12), and exhaust hole (12) is threaded with check valve (8), the check valve (8)
Outlet end be connected with drain tap (9) by pipeline, and there is the same row in the outlet end of drain tap (9) by flanged joint
Gas general pipeline (11), pump sucking piece housing (7) and the bottom end for pumping out water piece housing (16) are welded with support plate (2), and two
The bottom of a support plate (2) is welded with mounting seat (1).
2. high-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump according to claim 1, which is characterized in that the exhaust main
(11) one end nozzle has exhaust main valve (10) by flanged joint, and the other end nozzle of exhaust main (11) is closing knot
Structure.
3. high-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump according to claim 2, which is characterized in that two supports
It is connected with the same gag lever post (3), and is connected in the middle part of the outer circumferential walls of gag lever post (3) equidistant by nut between plate (2)
Distributed cross-section is the limit fastener (19) of inverted U-shaped structure, and the top of limit fastener (19) passes through respectively in bolt and multistage pump
Piece housing (20) is bonded.
4. high-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump according to claim 3, which is characterized in that the pump water exit end
It is provided between shell (16) and pump shaft end cap (6) balancing frame (15), and balancing frame (15) is socketed on by bolt and spacer pin
The outside of pump shaft (5).
5. high-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump according to claim 4, which is characterized in that the pump shaft (5)
The outside of pump shaft end cap (6) is extended to close to one end of pump sucking piece housing (7), and pump shaft (5) is close to pump sucking piece housing (7)
One end shaft coupling (4) are connected with by bolt and positioning pin.
6. high-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump according to claim 5, which is characterized in that the pump suction casing
Shell (7) and the outside founding for pumping out water piece housing (16) have the mounting collar equidistantly distributed, and are located at the two of same axis
The same mounting rod (22) are connected with by nut between a mounting collar.
7. high-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump according to claim 6, which is characterized in that in the multistage pump
The side periphery founding of piece housing (20) has sealing ring (18), and the side periphery of multistage pump middle section shell (20) is opened
Equipped with seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821964173.5U CN209067490U (en) | 2018-11-27 | 2018-11-27 | High-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821964173.5U CN209067490U (en) | 2018-11-27 | 2018-11-27 | High-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209067490U true CN209067490U (en) | 2019-07-05 |
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ID=67100457
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821964173.5U Active CN209067490U (en) | 2018-11-27 | 2018-11-27 | High-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517787A (en) * | 2022-01-12 | 2022-05-20 | 上海水泵制造有限公司 | Cavitation-resistant low-pressure-added drainage pump |
| CN114893393A (en) * | 2022-04-21 | 2022-08-12 | 北京太阳宫燃气热电有限公司 | Exhaust device of water feeding pump of gas boiler |
| CN117780688A (en) * | 2024-02-26 | 2024-03-29 | 大庆市宏雷机械设备制造有限公司 | Packaging mechanical sealing device on multistage pump |
| CN118407922A (en) * | 2024-07-02 | 2024-07-30 | 烟台盛泉泵业有限公司 | Horizontal multistage centrifugal pump |
-
2018
- 2018-11-27 CN CN201821964173.5U patent/CN209067490U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517787A (en) * | 2022-01-12 | 2022-05-20 | 上海水泵制造有限公司 | Cavitation-resistant low-pressure-added drainage pump |
| CN114517787B (en) * | 2022-01-12 | 2024-07-16 | 上海水泵制造有限公司 | Cavitation-preventing low-pressure drainage pump |
| CN114893393A (en) * | 2022-04-21 | 2022-08-12 | 北京太阳宫燃气热电有限公司 | Exhaust device of water feeding pump of gas boiler |
| CN114893393B (en) * | 2022-04-21 | 2024-05-17 | 北京太阳宫燃气热电有限公司 | Exhaust device of water supply pump of gas boiler |
| CN117780688A (en) * | 2024-02-26 | 2024-03-29 | 大庆市宏雷机械设备制造有限公司 | Packaging mechanical sealing device on multistage pump |
| CN117780688B (en) * | 2024-02-26 | 2024-04-30 | 大庆市宏雷机械设备制造有限公司 | Packaging mechanical sealing device on multistage pump |
| CN118407922A (en) * | 2024-07-02 | 2024-07-30 | 烟台盛泉泵业有限公司 | Horizontal multistage centrifugal pump |
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