CN209354365U - A kind of vertical multi-stage centrifugal pump - Google Patents
A kind of vertical multi-stage centrifugal pump Download PDFInfo
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- CN209354365U CN209354365U CN201822177814.9U CN201822177814U CN209354365U CN 209354365 U CN209354365 U CN 209354365U CN 201822177814 U CN201822177814 U CN 201822177814U CN 209354365 U CN209354365 U CN 209354365U
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- guide vane
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- flange
- stage centrifugal
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- 238000007789 sealing Methods 0.000 claims abstract description 34
- 230000008878 coupling Effects 0.000 claims abstract description 31
- 238000010168 coupling process Methods 0.000 claims abstract description 31
- 238000005859 coupling reaction Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 description 17
- 238000005265 energy consumption Methods 0.000 description 6
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a kind of vertical multi-stage centrifugal pumps, including driving motor, pump head, sealing flange, shaft coupling, shield, last guide vane, water-output flange, mechanical seal, pull rod, pump shaft, sealing bearing, connection bearing, impeller, guide vane, air deflector, water-in flange, filter screen and pressure-resistant outer cylinder；The driving motor pump head described by the sealing flange connection；The shaft coupling is arranged in inside the shield；The side of the pump head is arranged in the last guide vane；The water-output flange connection last guide vane；The bottom of pump head described in the mechanical connection；The pull rod connection pump head；The impeller fitting is arranged on the pump shaft；The outside of the air deflector is arranged in the guide vane；The filter screen abuts the water-in flange.The utility model can be used in vertical multi-stage centrifugal pump, scientific and reasonable for structure, and work efficiency is high, and sealing effect is good, long service life.
Description
Technical field
The utility model relates to a kind of centrifugal pumps, more particularly, to a kind of vertical multi-stage centrifugal pump.
Background technique
Vertical multi-stage centrifugal pump is a kind of very extensive general hydraulic of application range, have compact overall structure,
It is small in size, light-weight, the advantages that noise is low, energy-saving effect is significant, vertical more in recent years with the rapid development of Chinese science and technology
The demand of grade centrifugal pump is also constantly increasing, its working principle is that: when the impeller high speed rotation in motor moving axis, it is full of
Liquid in impeller gets rid of the surrounding to impeller under the influence of centrifugal force, from impeller center along interlobate runner, due to
Effect of the liquid by blade makes pressure and speed while increasing, and is led to the impeller of time level-one by leading the runner of shell, just
Be such principle, successively flow through all impeller and lead shell, further increase the pressure energy of liquid, by each impeller by
After grade superposition, certain lift is just obtained.
The general bottom of vertical multi-stage centrifugal pump in the prior art is impregnated in a liquid for a long time, and mechanical seal structure exists
Its rear seal that works long hours can be worn, and caused the reduction of its leakproofness, caused with the increase for using the time, sealing section
Worse and worse, working efficiency is lower and lower for energy effect, influences the service life of centrifugal pump, or even causes to pump intracorporal liquid entrance
The normal work of motor is influenced in motor part, safety in utilization is not strong, is not well positioned to meet the use demand of people.Cause
This, needs a kind of better vertical multi-stage centrifugal pump of sealing performance, long service life, it is ensured that using safe.
Utility model content
The utility model aim is to provide a kind of scientific and reasonable for structure, and work efficiency is high, and sealing effect is good, service life
Long vertical multi-stage centrifugal pump.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of vertical multi-stage centrifugal pump, including driving
Motor, pump head, sealing flange, shaft coupling, shield, last guide vane, water-output flange, mechanical seal, pull rod, pump shaft, sealing bearing,
Connect bearing, impeller, guide vane, air deflector, water-in flange, filter screen and pressure-resistant outer cylinder；The driving motor passes through described
The sealing flange connection pump head；The shaft coupling is arranged in inside the shield；The last guide vane setting exists
The side of the pump head；The water-output flange connection last guide vane；Pump head described in the mechanical connection
Bottom；The pull rod connection pump head；The lower end of the pump shaft is equipped with the sealing bearing；The connection
Bearing is arranged on the pump shaft；The impeller fitting is arranged on the pump shaft；The guide vane is arranged described
Air deflector outside；The lower section of the air deflector is arranged in the water-in flange；The filter screen is against described
Water-in flange；The pressure-resistant outer cylinder connection mechanical seal.
A kind of vertical multi-stage centrifugal pump as described above, the driving motor are equipped with rotor, the shaft coupling upper end
The connection rotor, the lower end connection of the shaft coupling pump shaft, drives rotor convenient for driving motor, rotor drives shaft coupling
Device, shaft coupling drive pump shaft, pump shaft impeller high speed rotation, and high-speed rotating impeller and guide vane, air deflector cooperate, will
Thing liquid promotion emits；Shaft coupling is formula structure of filling the span of a man's arms, simple and fast convenient for pump shaft and rotor centering, and installation is more convenient, work
Energy consumption is smaller when making, and efficiency is more preferable.
A kind of vertical multi-stage centrifugal pump as described above, the pull rod are in symmetrically to set equipped with pull rod described in 2,2
It sets, the upper end of pull rod passes through pump head described in the mechanical connection, convenient between pump head, mechanical seal and pressure-resistant outer cylinder
Crimp closer, sealing performance is more preferable, avoids thing liquid from revealing, while also increasing intensity, and the service life is longer, safer steady
It is fixed.
A kind of vertical multi-stage centrifugal pump as described above, the impeller are equipped with several, and impeller fitting is arranged described
Pump shaft on, connect with impeller closer convenient for pump shaft, more sturdy and durable, security performance is higher；Pump shaft rotates impeller and turns
Dynamic, energy consumption is smaller, and working efficiency is higher.
A kind of vertical multi-stage centrifugal pump as described above, the guide vane is double seal ring structure, convenient for guide vane in thing liquid
Auxiliary support ability under dynamic pressure effect is stronger, enhances thing liquid traveling comfort, and working efficiency is higher, and the service life is longer,
Safer stabilization.
A kind of vertical multi-stage centrifugal pump as described above, the air deflector is made of the socket of several S-shaped flow deflectors, adjacent
The S-shaped flow deflector between form flow-guiding channel, the connection bearing connects S-shaped flow deflector, transports upwards convenient for thing liquid
Resistance is smaller when row, and operation is more stable, and the energy consumption of vertical multi-stage centrifugal pump is smaller, and working efficiency is higher.
As the preferred embodiment of vertical multi-stage centrifugal pump, motor cabinet, the motor is arranged in the driving motor bottom
The seat connection sealing flange improves working efficiency, while reducing noise convenient for reducing the vibration of driving motor.
As the preferred embodiment of vertical multi-stage centrifugal pump, machine sealed cover is arranged in the mechanical seal upper end, convenient for described
Machine sealed cover compress mechanical seal, reinforce the leakproofness of mechanical seal, prolong the service life.
As the preferred embodiment of vertical multi-stage centrifugal pump, the water-in flange and water-output flange are respectively provided with Sealing shield ring,
More preferable convenient for sealing performance, the service life is longer.
As the preferred embodiment of vertical multi-stage centrifugal pump, setting pressure gauge and alarm device on the outside of the water-output flange,
Convenient for monitoring pressure condition at any time, it is ensured that using safe.
As the preferred embodiment of vertical multi-stage centrifugal pump, support base is arranged in the pressure-resistant outer cylinder bottom, convenient for placing more
Conveniently, working environment is more adaptable.
The beneficial effects of the utility model are: the driving motor of the utility model connects pump head by sealing flange；Shaft coupling
Device is arranged inside shield；The side of pump head is arranged in last guide vane；Water-output flange connects last guide vane；Mechanical connection pump head
Bottom；Pull rod connects pump head；The lower end of pump shaft is equipped with sealing bearing；Bearing is connected to be arranged on pump shaft；The setting of impeller fitting
On pump shaft；The outside of air deflector is arranged in guide vane；The lower section of air deflector is arranged in water-in flange；Filter screen abuts water inlet method
It is blue；Pressure-resistant outer cylinder connects mechanical seal；Driving motor is equipped with rotor, and shaft coupling upper end connects rotor, the lower end connection of shaft coupling
Pump shaft, shaft coupling are formula structures of filling the span of a man's arms；Pull rod is equipped with 2, and 2 pull rods are symmetrical set, and the upper end of pull rod passes through mechanical seal
Connect pump head；Impeller is equipped with several, and impeller fitting is arranged on pump shaft；Guide vane is double seal ring structure；The air deflector by
The socket of several S-shaped flow deflectors forms, and flow-guiding channel is formed between adjacent S-shaped flow deflector, and connection bearing connects S-shaped water conservancy diversion
Piece, the utility model can be used in vertical multi-stage centrifugal pump, scientific and reasonable for structure, and work efficiency is high, and sealing effect is good, use the longevity
Life length.
Detailed description of the invention
Fig. 1 is the cross-sectional view of vertical multi-stage centrifugal pump in embodiment；
Fig. 2 is the main view of vertical multi-stage centrifugal pump in embodiment.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
As shown in Figures 1 and 2, a kind of vertical multi-stage centrifugal pump, including driving motor 1, pump head 2, sealing flange 3, shaft coupling
Device 4, shield 5, last guide vane 6, water-output flange 7, mechanical seal 8, pull rod 9, pump shaft 10, sealing bearing 11, connection bearing 12, leaf
Wheel 13, guide vane 14, air deflector 15, water-in flange 16, filter screen 17 and pressure-resistant outer cylinder 18；The driving motor 1 passes through described
Sealing flange 3 connect the pump head 2；The shaft coupling 4 is arranged in inside the shield 5；The last guide vane 6
The side of the pump head 2 is set；The water-output flange 7 connects the last guide vane 6；The mechanical seal 8 connects
The bottom of the pump head 2；The pull rod 9 connects the pump head 2；The lower end of the pump shaft 10 is equipped with the sealing
Bearing 11；The connection bearing 12 is arranged on the pump shaft 10；The pump shaft is arranged in 13 fitting of impeller
On 10；The outside of the air deflector 15 is arranged in the guide vane 14；The water conservancy diversion is arranged in the water-in flange 16
The lower section of device 15；The filter screen 17 abuts the water-in flange 16；The pressure-resistant outer cylinder 18 connects the machinery
Sealing 8.
In one embodiment of vertical multi-stage centrifugal pump, the driving motor 1 is equipped with rotor, on the shaft coupling 4
The end connection rotor, the lower end connection of shaft coupling 4 pump shaft 10, drives rotor convenient for driving motor 1, rotor drives
Shaft coupling 4, the drive pump shaft 10 of shaft coupling 4,10 impeller of pump shaft, 13 high speed rotation, high-speed rotating impeller 13 and guide vane 14,
Air deflector 15 cooperates, and thing liquid promotion is emitted；Shaft coupling 4 is formula structure of filling the span of a man's arms, convenient for pump shaft 10 and rotor centering
Simple and fast, installation is more convenient, and energy consumption is smaller when work, and efficiency is more preferable.
In one embodiment of vertical multi-stage centrifugal pump, the pull rod 9 is equipped with pull rod 9 described in 2,2 in symmetrical
Setting, the upper end of pull rod 9 pass through the mechanical seal 8 and connect the pump head 2, are convenient for pump head 2, mechanical seal 8 and pressure resistance
Crimp closer between outer cylinder 18, sealing performance is more preferable, avoids thing liquid from revealing, while also increasing intensity, and the service life is longer,
Safer stabilization.
In one embodiment of vertical multi-stage centrifugal pump, the impeller 13 is equipped with several, and the setting of 13 fitting of impeller exists
On the pump shaft 10, it connect convenient for pump shaft 10 with impeller 13 closer, more sturdy and durable, security performance is higher；10 turns of pump shaft
Dynamic impeller 13 rotates, and energy consumption is smaller, and working efficiency is higher.
In one embodiment of vertical multi-stage centrifugal pump, the guide vane 14 is double seal ring structure, is existed convenient for guide vane 14
Auxiliary support ability under thing liquid dynamic pressure effect is stronger, enhances thing liquid traveling comfort, working efficiency is higher, and service life is more
It is long, safer stabilization.
In one embodiment of vertical multi-stage centrifugal pump, the air deflector 15 is made of the socket of several S-shaped flow deflectors 19,
Flow-guiding channel is formed between the adjacent S-shaped flow deflector 19, the connection bearing 12 connects S-shaped flow deflector 19, is convenient for
Resistance is smaller when thing liquid is run up, and operation is more stable, and the energy consumption of vertical multi-stage centrifugal pump is smaller, and working efficiency is higher.
In one embodiment of vertical multi-stage centrifugal pump, motor cabinet, the motor is arranged in 1 bottom of driving motor
The seat connection sealing flange 3 improves working efficiency, while reducing noise convenient for reducing the vibration of driving motor 1.
In one embodiment of vertical multi-stage centrifugal pump, machine sealed cover is arranged in 8 upper end of mechanical seal, convenient for described
Machine sealed cover compress mechanical seal 8, reinforce mechanical seal 8 leakproofness, prolong the service life.
In one embodiment of vertical multi-stage centrifugal pump, the water-in flange 16 and water-output flange 7 are respectively provided with sealing gear
Circle, more preferable convenient for sealing performance, the service life is longer.
In one embodiment of vertical multi-stage centrifugal pump, pressure gauge and alarm device are set on the outside of the water-output flange 7,
Convenient for monitoring pressure condition at any time, it is ensured that using safe.
In one embodiment of vertical multi-stage centrifugal pump, support base is arranged in 18 bottom of pressure-resistant outer cylinder, convenient for placing
It is more convenient, working environment it is more adaptable.
The driving motor 1 of the utility model connects pump head 2 by sealing flange 3；Shaft coupling 4 is arranged inside shield 5；
The side of pump head 2 is arranged in last guide vane 6；Water-output flange 7 connects last guide vane 6；The bottom of the connection pump head 2 of mechanical seal 8；Pull rod 9
Connect pump head 2；The lower end of pump shaft 10 is equipped with sealing bearing 11；Bearing 12 is connected to be arranged on pump shaft 10；The setting of 13 fitting of impeller
On pump shaft 10；The outside of air deflector 15 is arranged in guide vane 14；The lower section of air deflector 15 is arranged in water-in flange 16；Filter screen 17
Against water-in flange 16；Pressure-resistant outer cylinder 18 connects mechanical seal 8；Driving motor 1 is equipped with rotor, and 4 upper end of shaft coupling connects rotor,
The lower end of shaft coupling 4 connects pump shaft 10, and shaft coupling 4 is formula structure of filling the span of a man's arms；Pull rod 9 is equipped with 2, and 2 pull rods 9 are symmetrical set,
The upper end of pull rod 9 passes through mechanical seal 8 and connects pump head 2；Impeller 13 is equipped with several, and 13 fitting of impeller is arranged on pump shaft 10；
Guide vane 14 is double seal ring structure；The air deflector 15 is made of the socket of several S-shaped flow deflectors 19, adjacent S-shaped flow deflector
Flow-guiding channel is formed between 19, connection bearing 12 connects S-shaped flow deflector 19, in use, thing liquid enters from water-in flange 16, passes through
Filter screen 17 enters air deflector 15, and driving motor 1 drives rotor, and rotor drives shaft coupling 4, and shaft coupling 4 drives pump shaft 10, pump shaft
10 impeller, 13 high speed rotation, high-speed rotating impeller 13 cooperate with guide vane 14, air deflector 15, thing liquid are promoted to end
Guide vane 6, and emitted by water-output flange 7.The utility model can be used in vertical multi-stage centrifugal pump, scientific and reasonable for structure,
Work efficiency is high, and sealing effect is good, long service life.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (6)
1. a kind of vertical multi-stage centrifugal pump, it is characterised in that: including driving motor (1), pump head (2), sealing flange (3), shaft coupling
Device (4), shield (5), last guide vane (6), water-output flange (7), mechanical seal (8), pull rod (9), pump shaft (10), sealing bearing
(11), bearing (12), impeller (13), guide vane (14), air deflector (15), water-in flange (16), filter screen (17) and pressure resistance are connected
Outer cylinder (18)；The driving motor (1) pump head (2) described by sealing flange (3) connection；The shaft coupling
(4) it is internal that the shield (5) is set；The side of the pump head (2) is arranged in the last guide vane (6)；Described
Water-output flange (7) the connection last guide vane (6)；The bottom of mechanical seal (8) connection pump head (2)；It is described
Pull rod (9) the connection pump head (2)；The lower end of the pump shaft (10) is equipped with the sealing bearing (11)；Described
Connection bearing (12) is arranged on the pump shaft (10)；Described impeller (13) fitting is arranged on the pump shaft (10)；
The outside of the air deflector (15) is arranged in the guide vane (14)；The water conservancy diversion is arranged in the water-in flange (16)
The lower section of device (15)；The filter screen (17) abuts the water-in flange (16)；The pressure-resistant outer cylinder (18) connects institute
The mechanical seal (8) stated.
2. vertical multi-stage centrifugal pump according to claim 1, it is characterised in that: the driving motor (1) is equipped with rotor,
Shaft coupling (4) the upper end connection rotor, the lower end connection of shaft coupling (4) pump shaft (10), shaft coupling (4)
It is formula structure of filling the span of a man's arms.
3. vertical multi-stage centrifugal pump according to claim 1, it is characterised in that: the pull rod (9) is equipped with 2,2 institutes
The pull rod (9) stated is symmetrical set, and the upper end of pull rod (9) passes through mechanical seal (8) connection pump head (2).
4. vertical multi-stage centrifugal pump according to claim 1, it is characterised in that: the impeller (13) is equipped with several,
Impeller (13) fitting is arranged on the pump shaft (10).
5. vertical multi-stage centrifugal pump according to claim 1, it is characterised in that: the guide vane (14) is double seal ring knot
Structure.
6. vertical multi-stage centrifugal pump according to claim 1, it is characterised in that: the air deflector (15) is by several S-shapeds
Flow deflector (19) socket forms, and forms flow-guiding channel, the connection bearing between the adjacent S-shaped flow deflector (19)
(12) S-shaped flow deflector (19) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822177814.9U CN209354365U (en) | 2018-12-24 | 2018-12-24 | A kind of vertical multi-stage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822177814.9U CN209354365U (en) | 2018-12-24 | 2018-12-24 | A kind of vertical multi-stage centrifugal pump |
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| Publication Number | Publication Date |
|---|---|
| CN209354365U true CN209354365U (en) | 2019-09-06 |
Family
ID=67799750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822177814.9U Active CN209354365U (en) | 2018-12-24 | 2018-12-24 | A kind of vertical multi-stage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209354365U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894858A (en) * | 2020-01-02 | 2020-11-06 | 西华大学 | Novel multistage booster pump |
-
2018
- 2018-12-24 CN CN201822177814.9U patent/CN209354365U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894858A (en) * | 2020-01-02 | 2020-11-06 | 西华大学 | Novel multistage booster pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200122 Address after: 264006 Room 101, building 2, No. 302, Changjiang Road, Yantai Economic and Technological Development Zone, Shandong Province Patentee after: Yantai Zhonglan Environmental Technology Co.,Ltd. Address before: Room 208, Baowei Building, No. 5 Wanshoushan Road, Yantai Development Zone, Shandong Province Patentee before: YANTAI FENGSHENG ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangzhou Xunbao automation machinery design Co.,Ltd. Assignor: Yantai Zhonglan Environmental Technology Co.,Ltd. Contract record no.: X2023980045695 Denomination of utility model: A vertical multi-stage centrifugal pump Granted publication date: 20190906 License type: Common License Record date: 20231108 Assignee: Guangzhou Changbai Machinery Design Co.,Ltd. Assignor: Yantai Zhonglan Environmental Technology Co.,Ltd. Contract record no.: X2023980045694 Denomination of utility model: A vertical multi-stage centrifugal pump Granted publication date: 20190906 License type: Common License Record date: 20231108 |
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| EE01 | Entry into force of recordation of patent licensing contract |