CN101865137A - Experimental device of 'wet' rotor effect of multi-stage centrifugal pump - Google Patents
Experimental device of 'wet' rotor effect of multi-stage centrifugal pump Download PDFInfo
- Publication number
- CN101865137A CN101865137A CN 201010202928 CN201010202928A CN101865137A CN 101865137 A CN101865137 A CN 101865137A CN 201010202928 CN201010202928 CN 201010202928 CN 201010202928 A CN201010202928 A CN 201010202928A CN 101865137 A CN101865137 A CN 101865137A
- Authority
- CN
- China
- Prior art keywords
- rotor
- pressure
- stage
- wet
- centrifugal pump
- 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.)
- Granted
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an experimental device of 'wet' rotor effect of a multi-stage centrifugal pump, which comprises a multi-stage wet rotor platform (9) and the like, wherein the multi-stage wet rotor platform (9) comprises a pressure-bearing shell which is internally provided with at least two stages of rotor sections, and a rotating shaft (18) passing through the pressure-bearing shell; each stage of rotor section consists of a high pressure bin (25) and a lower pressure bin (24) provided with a pump rotor (26); inter-stage seal (28) is arranged between the high pressure bin (25) and the lower pressure bin (24); the shaft neck part at the root of the pump rotor (26) is provided with a speed displacement sensor (22); a pressure circulating system is respectively communicated with the high pressure bin (25) and the lower pressure bin (24); a driving motor (3) is connected with a rotating shaft (18) by a belt pulley speed changing device (4); and a torque rotating speed measurement instrument (6) is positioned between the belt pulley speed changing device (4) and the rotating shaft (18). The experimental device can be used for measuring the amplitude and the torque of a multi-stage wet rotor along with the change of the rotating speed under the different working pressures and inter-stage seal structures.
Description
Technical field
The present invention is a kind of experimental setup of studying ' wet ' rotor effect of multi-stage centrifugal pump, be used to study the multistage centrifugal pump rotor-support-foundation system " wet " mechanism of production of rotor effect with in various working staties and of the influence of different inter-stage sealing configurations to " wetting " rotor effect.
Background technique
Multistage centrifugal pump is used widely in important industries such as oil, chemical industry, electric power and iron and steel, become the Important Auxiliary equipment of process units, especially along with the continuous increase of the maximization pump assembly single-machine capacity of process units, multi-stage centrifugal pump just develops towards the large high-speed direction, so its rotor dynamics design just seems very important.In the rotor dynamics design of multistage centrifugal pump, exist the difficult problem of " doing ", the design of " wetting " Analysis on Critical Rotating." doing " critical speed of rotation is only to consider the critical speed of rotation of pump rotor under the bearings at both ends supporting effect, but under the pump work state owing to exist sealing opening ring and these seal clearance two ends to have very high pressure reduction between rotors at different levels, the fierce turbulent flow of fluid has certain balance restitution to rotor in these gaps, has caused " wetting " critical speed of rotation under the operating conditions will be higher than " doing " critical speed of rotation.Just very remarkable in large-scale high pressure centrifugal pump this " wetting " critical speed of rotation effect, it becomes the key of this pump assembly safety design.
The at present domestic research that " wetting " rotor effect aspect of multistage centrifugal pump is carried out is less relatively, particularly is in space state in the experimental research field.This situation makes domestic multistage centrifugal pump industry also be in the state imitated and experience of dependence in design is produced, do not have sufficient theoretical and experimental study support, caused Chinese large-sized ultrahigh pressure centrifugal pump unit to depend on the situation of external imported product basically.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of " wet " experimental setup of rotor effect of multi-stage rotor system that is used to study, this device can be measured with change in rotational speed amplitude, the torque of multi-stage rotor under different operating pressure and the inter-stage sealing configuration, and explores dynamicss such as multi-stage rotor critical speed of rotation, the vibration shape at " wetting " rotor effect research Changing Pattern.
In order to solve the problems of the technologies described above, the invention provides a kind of experimental setup of ' wet ' rotor effect of multi-stage centrifugal pump, comprise the belt pulley speed change gear and the drive motor that are arranged on the Laboratory Furniture pedestal, also comprise motor frequency conversion control cabinet, signal acquiring processing system and multistage wet rotor platform, establish the pressure-bearing shell and the rotating shaft that runs through pressure-bearing shell and be rotatedly connected of at least 2 grades rotor sections in multistage wet rotor platform comprises with pressure-bearing shell; Every grade of rotor sections is made up of high-pressure chamber and the low pressure storehouse that pump rotor is housed, and the inter-stage sealing is set between high-pressure chamber and the low pressure storehouse; Axle journal place at the pump rotor root is provided with the speed displacement sensor, and the pressure circulation system that is used to simulate true multistage pump inter-stage seal operation state is connected with high-pressure chamber and low pressure storehouse respectively; Drive motor links to each other with rotating shaft on the multistage wet rotor platform by the belt pulley speed change gear, and the moment of torsion tachometer of measuring is set between belt pulley speed change gear and rotating shaft; Signal acquiring processing system links to each other with moment of torsion tachometer of measuring, speed displacement sensor signal respectively; The motor frequency conversion control cabinet links to each other with drive motor.
Improvement as the experimental setup of ' wet ' rotor effect of multi-stage centrifugal pump of the present invention: be respectively equipped with left shaft holder and right bearing seat in the left and right sides of pressure-bearing shell, in left shaft holder, be provided with the dynamic bearing that rolls left, be provided with right rolling bearing in the right bearing seat, the two ends, the left and right sides of rotating shaft link to each other with right rolling bearing with the dynamic bearing that rolls left respectively; Left mechanical seal is set between the left side of rotating shaft and pressure-bearing shell, right mechanical seal is set between the right side of rotating shaft and pressure-bearing shell; On the low pressure storehouse, be respectively equipped with speed displacement sensor interface and low pressure storehouse fluid output; On high-pressure chamber, be provided with the high-pressure chamber fluid inlet; Low pressure storehouse fluid output and high-pressure chamber fluid inlet are connected with the pressure circulation system that is used to simulate true multistage pump inter-stage seal operation state respectively.
Further improvement as the experimental setup of ' wet ' rotor effect of multi-stage centrifugal pump of the present invention: the pressure circulation system that is used to simulate true multistage pump inter-stage seal operation state comprises circulating water reservoir vessel and pressurization multistage centrifugal pump, the outlet of circulating water reservoir vessel links to each other with the high-pressure chamber fluid inlet with multistage centrifugal pump through pressurization, and low pressure storehouse fluid output links to each other with the import of circulating water reservoir vessel.
Further improvement as the experimental setup of ' wet ' rotor effect of multi-stage centrifugal pump of the present invention: pump rotor is fixedly linked by swelling cover and rotating shaft.
Further improvement as the experimental setup of ' wet ' rotor effect of multi-stage centrifugal pump of the present invention: on pressure-bearing shell, be provided for pull bar with high-pressure chamber and the tension of low pressure storehouse.
Further improvement as the experimental setup of ' wet ' rotor effect of multi-stage centrifugal pump of the present invention: the inter-stage sealing between high-pressure chamber and low pressure storehouse is replaceable.
Further improvement as the experimental setup of ' wet ' rotor effect of multi-stage centrifugal pump of the present invention: belt pulley speed change gear, elastic coupling flexible coupling I, moment of torsion tachometer of measuring, elastic coupling flexible coupling II link to each other successively with rotating shaft.
This experimental setup is at research multistage centrifugal pump rotor-support-foundation system " wet " mechanism of production of rotor effect and influence factor and custom-designed; In technological scheme of the present invention:
The employing drive motor drives, and improves rotating speed through the belt pulley speed change gear, and (elastic coupling flexible coupling I and elastic coupling flexible coupling II) couples together belt pulley speed change gear, moment of torsion tachometer of measuring and the pump rotor that links to each other with rotating shaft by 2 elastic coupling flexible couplings.Drive motor links to each other with the motor frequency conversion control cabinet, thereby can realize that rotating speed freely regulates and control; Rotating speed reaches 6000r/min, also can eliminate radial pull after the belt pulley speed change gear speed change; Rotor adopts Pyatyi rotor and sectional type structure, designs high-pressure chamber and low pressure storehouse respectively and simulates the working state that seals between true multistage centrifugal pump internal level.Be respectively arranged with a speed displacement sensor on the axle journal of each pump rotor root, the moment of torsion tachometer of measuring all links to each other with signal acquiring processing system with the speed displacement sensor, is responsible for carrying out the collection of Dynamic Signal by signal acquiring processing system.
In technological scheme of the present invention, the pressure of simulating true multistage pump inter-stage seal operation state is provided by a cover hydrodynamic pressure circulatory system: fluid is transported to high-pressure chamber after pressurization is with the multistage centrifugal pump pressurization, sealing reaches the low pressure storehouse that pump rotor is housed through inter-stage, return the circulating water reservoir vessel, thereby just form the working state of the inter-stage sealing of pressure difference simulation pump like this in the inter-stage sealing both ends.Pressure gauge all is housed on each storehouse, can passes through the pressure of the adjustable inter-stage sealing both ends of stop valve, thereby simulate different working staties.
The characteristics of apparatus of the present invention are: the inter-stage sealing that is arranged between high-pressure chamber and low pressure storehouse can be changed; The pressure difference of sealing both ends can freely be regulated and control; The belt pulley speed change gear can be eliminated radial pull.Therefore this device can under the operating mode of different pressures difference and amplitude, the torque parameter of different inter-stage sealing configuration lower rotor parts measure with rotation speed change, thereby the Changing Pattern of every dynamics (critical speed of rotation, the vibration shape etc.) of the rotor under exploration " wetting " rotor effect.Its experimental result all has very high reference value to the theoretical research of " wetting " rotor effect and the actual design of multistage centrifugal pump; Also for the design in the production practices provides reliable basis, thereby improve the ability that the autonomous Design of domestic large-scale high pressure centrifugal pump is produced.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Fig. 1 is the structural representation of the experimental setup of ' wet ' rotor effect of multi-stage centrifugal pump of the present invention;
Fig. 2 is the sectional structure enlarged diagram of the rotor platform 9 among Fig. 1.
Among the figure: 1 is the motor frequency conversion control cabinet, 2 is the Laboratory Furniture pedestal, 3 is drive motor, 4 is the belt pulley speed change gear, 5 is elastic coupling flexible coupling I, and 6 is the moment of torsion tachometer of measuring, and 7 is elastic coupling flexible coupling II, 8 is signal acquiring processing system, 9 is multistage wet rotor platform, and 10 is the speed displacement sensor interface, and 11 is stop valve I, 12 are high-pressure chamber fluid access house steward, multistage centrifugal pump is used in 13 pressurizations, and 14 is the circulating water reservoir vessel, and 15 is stop valve II, 16 pick out house steward for low pressure storehouse fluid, 17 is pressure gauge, and 18 are rotating shaft, and 19 for rolling left dynamic bearing, 20 is left shaft holder, 21 is left mechanical seal, and 22 is the speed displacement sensor, and 24 is the low pressure storehouse, 25 is high-pressure chamber, 26 is pump rotor, and 27 are the swelling cover, and 28 are the inter-stage sealing, 29 is pull bar, 30 is right mechanical seal, and 31 is the right bearing seat, and 32 is right rolling bearing, 33 is low pressure storehouse fluid output, 34 is the high-pressure chamber fluid inlet, and 35 is the left side of pressure-bearing shell, and 36 is the right side of pressure-bearing shell, 37 are in charge of for the high-pressure chamber fluid inserts, and 38 are in charge of for low pressure storehouse fluid picks out.
Embodiment
Embodiment 1, Fig. 1 and Fig. 2 are in conjunction with the experimental setup that has provided a kind of ' wet ' rotor effect of multi-stage centrifugal pump, comprise the belt pulley speed change gear 4 and the drive motor 3 that are arranged on the Laboratory Furniture pedestal 2, also comprise motor frequency conversion control cabinet 1, signal acquiring processing system 8, multistage wet rotor platform 9 and be used to simulate the pressure circulation system of true multistage pump inter-stage seal operation state.
Establish the pressure-bearing shell of 5 grades of rotor sections in multistage wet rotor platform 9 comprises, every grade of rotor sections is made up of high-pressure chamber 25 and low pressure storehouse 24, is respectively equipped with a pump rotor 26 in each low pressure storehouse 24; Owing to be between per 2 low pressure storehouses 24, a high-pressure chamber 25 to be set, therefore be provided with 5 low pressure storehouses 24 and 4 high-pressure chambers 25 in pressure-bearing shell altogether, these 5 low pressure storehouses 24 and 4 high-pressure chambers 25 are fixedly located between the right side 36 of the left side 35 of pressure-bearing shell and pressure-bearing shell.Between the right side 36 of the left side 35 of pressure-bearing shell and pressure-bearing shell, pull bar 29 is set, is used for all high-pressure chambers 25 and low pressure storehouse 24 are closely strained.Inter-stage sealing 28 is set between adjacent high-pressure chamber 25 and low pressure storehouse 24, thereby guarantees sealing, this inter-stage sealing 28 can be changed according to actual needs.
Rotating shaft 18 runs through pressure-bearing shell, i.e. rotating shaft 18 runs through the right side 36 of the left side 35 of pressure-bearing shell, 5 low pressure storehouses 24 that are positioned at pressure-bearing shell and 4 high-pressure chambers 25, pressure-bearing shell.
Be respectively equipped with left shaft holder 20 and right bearing seat 31 in the left and right sides of pressure-bearing shell, promptly left shaft holder 20 is fixedly linked with the left side 35 of pressure-bearing shell, and right bearing seat 31 is fixedly linked with the right side 36 of pressure-bearing shell.In left shaft holder 20, be provided with the dynamic bearing 19 that rolls left, in right bearing seat 31, be provided with right rolling bearing 32; The two ends, the left and right sides of rotating shaft 18 link to each other with right rolling bearing 32 with the dynamic bearing 19 that rolls left respectively; Thereby realize being rotatedly connected of rotating shaft 18 and whole pressure-bearing shell (including 5 low pressure storehouses 24 and 4 high-pressure chambers 25).The pump rotor 26 that is positioned at low pressure storehouse 24 is fixedly linked with rotating shaft 18 by swelling cover 27, so rotating shaft 18 can drive pump rotor 26 and rotates.At the axle journal place of each pump rotor 26 root a speed displacement sensor 22 is set, this speed displacement sensor 22 can be measured the real time kinematics track and the vibration shape of rotating shaft 18, promptly measures the displacement vibration data of rotating shaft herein 18.Left mechanical seal 21 is set between the left side 35 of rotating shaft 18 and pressure-bearing shell, right mechanical seal 30 is set between the right side 36 of rotating shaft 18 and pressure-bearing shell, be used for the seal chamber inner fluid, thereby guarantee the sealing of whole device.
Be respectively equipped with a speed displacement sensor interface 10 and a low pressure storehouse fluid output 33 on each low pressure storehouse 24, the signal of speed displacement sensor 22 is exported by speed displacement sensor interface 10 by datawire; On high-pressure chamber 25, be provided with high-pressure chamber fluid inlet 34; Each low pressure storehouse 24 and high-pressure chamber 25 are provided with a pressure gauge 17 respectively, and pressure gauge 17 is used to measure the pressure in each storehouse.Each low pressure storehouse fluid output 33 respectively connects a low pressure storehouse fluid and picks out and be in charge of 38, and each high-pressure chamber fluid inlet 34 respectively connects a high-pressure chamber fluid and inserts and be in charge of 37.
The pressure circulation system that is used to simulate true multistage pump inter-stage seal operation state comprises that circulating water reservoir vessel 14, pressurization are with multistage centrifugal pump 13; The outlet of circulating water reservoir vessel 14 is in charge of 37 with every high-pressure chamber fluid access and is linked to each other with multistage centrifugal pump 13, high-pressure chamber fluid access house steward 12 through pressurization successively, inserts to be in charge of at every high-pressure chamber fluid a stop valve I11 is set on 37; Every low pressure storehouse fluid picks out to be in charge of 38 and to pick out house steward 16 by low pressure storehouse fluid and link to each other with the import of circulating water reservoir vessel 14, picks out at low pressure storehouse fluid stop valve II15 is set on the house steward 16.Pressure difference between high-pressure chamber 25 and the low pressure storehouse 24 can be regulated control with stop valve I11, stop valve II15.
Motor frequency conversion control cabinet 1 links to each other with drive motor 3 signals, and drive motor 3, belt pulley speed change gear 4, elastic coupling flexible coupling I5, moment of torsion tachometer of measuring 6, elastic coupling flexible coupling II7 and rotating shaft 18 link to each other successively.Signal acquiring processing system 8 links to each other with moment of torsion tachometer of measuring 6, each speed displacement sensor 22 signal respectively.
Motor frequency conversion control cabinet 1 provides working power for drive motor 3, can reach 6000r/min by belt pulley speed change gear 4 rotating speeds, moment of torsion tachometer of measuring 6 is measured and the control rotating speed, by elastic coupling flexible coupling I5 belt pulley speed change gear 4 and moment of torsion tachometer of measuring 6 are coupled together, the rotating shaft 18 in moment of torsion tachometer of measuring 6 and the multistage wet rotor platform 9 is coupled together by elastic coupling flexible coupling II7.The signal that final moment of torsion tachometer of measuring 6 and speed displacement sensor 22 are measured is finished signals collecting and data processing by signal acquiring processing system 8.
The radial pull of belt pulley speed change gear 4 is acted on the outer ring of the dynamic bearing 19 that rolls left that is connected with left shaft holder 20 by the dynamic bearing 19 that rolls left, so just no longer includes the effect of radial force in the rotating shaft 18.This belt pulley speed change gear 4 has been eliminated the influence of radial force to the multi-stage rotor experiment, and has saved the space on the length, compares with speed reducer and has reduced cost.
The experimental setup of ' wet ' rotor effect of multi-stage centrifugal pump of the present invention, practical work process is as follows:
This experimental setup adopts drive motor 3 to drive, improve rotating speeds through belt pulley speed change gear 4, couple together with belt pulley speed change gear 4, moment of torsion tachometer of measuring 6 with multistage wet rotor platform 9 by 2 elastic coupling flexible couplings (elastic coupling flexible coupling I5 and elastic coupling flexible coupling II7).Drive motor 3 links to each other with motor frequency conversion control cabinet 1, thereby can realize that rotating speed freely regulates and control; Maximum speed can reach 6000r/min after belt pulley speed change gear 4 speed changes.Rotor adopts Pyatyi rotor and sectional type structure, and the inter-stage sealing 28 that is arranged on 24 in high-pressure chamber 25 and low pressure storehouse can be changed.Be respectively arranged with a speed displacement sensor 22 on the axle journal of each pump rotor 26 root, moment of torsion tachometer of measuring 6 all links to each other with signal acquiring processing system 8 with speed displacement sensor 22, is responsible for carrying out the collection of Dynamic Signal by signal acquiring processing system 8.
Provide the true multistage pump inter-stage of fluid simulation seal operation state by a cover hydrodynamic pressure circulatory system: fluid is transported to high-pressure chamber 25 after pressurization is with multistage centrifugal pump 13 pressurizations, reach the low pressure storehouse 24 that pump rotor 26 is housed through inter-stage sealing 28, return circulating water reservoir vessel 14; Thereby seal the working state that 28 two ends just form the inter-stage sealing of pressure difference simulation pump at inter-stage like this.Pressure gauge 17 all is housed on each storehouse, seals the pressure at 28 two ends, thereby simulate the working state under the different pressure by the adjustable inter-stage of stop valve (being stop valve I11, stop valve II15).Therefore this device can under the operating mode of different pressures difference and amplitude, the torque parameter of different inter-stage sealing configuration lower rotor parts measure with rotation speed change, thereby the Changing Pattern of every dynamics (critical speed of rotation, the vibration shape etc.) of the rotor under exploration " wetting " rotor effect.
At last, it is also to be noted that what more than enumerate only is a specific embodiment of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (7)
1. the experimental setup of a ' wet ' rotor effect of multi-stage centrifugal pump, it is characterized in that: comprise the belt pulley speed change gear (4) and the drive motor (3) that are arranged on the Laboratory Furniture pedestal (2), also comprise motor frequency conversion control cabinet (1), signal acquiring processing system (8) and multistage wet rotor platform (9), establish the pressure-bearing shell and the rotating shaft (18) that runs through pressure-bearing shell and be rotatedly connected of at least 2 grades rotor sections in described multistage wet rotor platform (9) comprises with pressure-bearing shell; Every grade of rotor sections is made up of high-pressure chamber (25) and low pressure storehouse (24) that pump rotor (26) is housed, and inter-stage sealing (28) is set between high-pressure chamber (25) and low pressure storehouse (24); Axle journal place at pump rotor (26) root is provided with speed displacement sensor (22), and the pressure circulation system that is used to simulate true multistage pump inter-stage seal operation state is connected with high-pressure chamber (25) and low pressure storehouse (24) respectively; Drive motor (3) links to each other with rotating shaft (18) on the multistage wet rotor platform (9) by belt pulley speed change gear (4), between belt pulley speed change gear (4) and rotating shaft (18) moment of torsion tachometer of measuring (6) is set; Signal acquiring processing system (8) links to each other with moment of torsion tachometer of measuring (6), speed displacement sensor (22) signal respectively; Motor frequency conversion control cabinet (1) links to each other with drive motor (3).
2. the experimental setup of ' wet ' rotor effect of multi-stage centrifugal pump according to claim 1, it is characterized in that: be respectively equipped with left shaft holder (20) and right bearing seat (31) in the left and right sides of pressure-bearing shell, in left shaft holder (20), be provided with the dynamic bearing that rolls left (19), be provided with right rolling bearing (32) in right bearing seat (31), the two ends, the left and right sides of rotating shaft (18) link to each other with right rolling bearing (32) with the dynamic bearing that rolls left (19) respectively; Between the left side (35) of rotating shaft (18) and pressure-bearing shell, left mechanical seal (21) is set, between the right side (36) of rotating shaft (18) and pressure-bearing shell, right mechanical seal (30) is set; On low pressure storehouse (24), be respectively equipped with speed displacement sensor interface (10) and low pressure storehouse fluid output (33); On high-pressure chamber (25), be provided with high-pressure chamber fluid inlet (34); Described low pressure storehouse fluid output (33) and high-pressure chamber fluid inlet (34) are connected with the pressure circulation system that is used to simulate true multistage pump inter-stage seal operation state respectively.
3. the experimental setup of ' wet ' rotor effect of multi-stage centrifugal pump according to claim 2, it is characterized in that: the described pressure circulation system that is used to simulate true multistage pump inter-stage seal operation state comprises that circulating water reservoir vessel (14) and pressurization are with multistage centrifugal pump (13), the outlet of described circulating water reservoir vessel (14) links to each other with high-pressure chamber fluid inlet (34) with multistage centrifugal pump (13) through pressurization, and low pressure storehouse fluid output (33) links to each other with the import of circulating water reservoir vessel (14).
4. the experimental setup of ' wet ' rotor effect of multi-stage centrifugal pump according to claim 3 is characterized in that: described pump rotor (26) is fixedly linked by swelling cover (27) and rotating shaft (18).
5. the experimental setup of ' wet ' rotor effect of multi-stage centrifugal pump according to claim 4 is characterized in that: be provided for the pull bar (29) with high-pressure chamber (25) and low pressure storehouse (24) tension on pressure-bearing shell.
6. the experimental setup of ' wet ' rotor effect of multi-stage centrifugal pump according to claim 5 is characterized in that: the inter-stage sealing (28) that is positioned between high-pressure chamber (25) and low pressure storehouse (24) is replaceable.
7. the experimental setup of ' wet ' rotor effect of multi-stage centrifugal pump according to claim 6, it is characterized in that: belt pulley speed change gear (4), elastic coupling flexible coupling I (5), moment of torsion tachometer of measuring (6), elastic coupling flexible coupling II (7) and rotating shaft (18) link to each other successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010202928XA CN101865137B (en) | 2010-06-17 | 2010-06-17 | Experimental device of 'wet' rotor effect of multi-stage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010202928XA CN101865137B (en) | 2010-06-17 | 2010-06-17 | Experimental device of 'wet' rotor effect of multi-stage centrifugal pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101865137A true CN101865137A (en) | 2010-10-20 |
| CN101865137B CN101865137B (en) | 2011-09-28 |
Family
ID=42957004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010202928XA Expired - Fee Related CN101865137B (en) | 2010-06-17 | 2010-06-17 | Experimental device of 'wet' rotor effect of multi-stage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101865137B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672133A (en) * | 2011-03-16 | 2012-09-19 | 大连瑞谷科技有限公司 | Method for adjusting rotation speed of centrifugal machine |
| CN103184937A (en) * | 2011-12-28 | 2013-07-03 | 中国航空工业集团公司沈阳飞机设计研究所 | Jet flow control system |
| CN103632006A (en) * | 2013-12-04 | 2014-03-12 | 中国寰球工程公司 | Method for determining critical rotating speed of wet rotor of multistage centrifugal pump |
| CN104929944A (en) * | 2015-06-09 | 2015-09-23 | 江苏大学 | Clearance flow based multi-stage pump rotor dynamic seal designing method |
| RU2604778C1 (en) * | 2015-10-06 | 2016-12-10 | Акционерное общество "Опытное Конструкторское Бюро Машиностроения имени И.И. Африкантова" (АО "ОКБМ Африкантов") | Test bench for end seals of shafts of circulating pumps |
| CN108035883A (en) * | 2017-11-30 | 2018-05-15 | 浙江理工大学 | Study the mechanics experimental apparatus and method in centrifugal multistage pump multiple centrifugal pump front shroud of impeller gap |
| CN108414211A (en) * | 2018-05-16 | 2018-08-17 | 浙江理工大学 | Experimental bench device and experimental method for testing centrifugal pump protecgulum sheet separation Exciting Force Characteristics |
| CN110273838A (en) * | 2019-07-31 | 2019-09-24 | 扬州大学 | A kind of centrifugal multistage pump multiple centrifugal pump |
| CN111912720A (en) * | 2020-07-17 | 2020-11-10 | 中国航发湖南动力机械研究所 | Centrifugal loading device for photosensitive resin model |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55101794A (en) * | 1979-01-26 | 1980-08-04 | Takasago Tekko Kk | Speed controlling system for centrifugal pump with mechanically stepless speed changing device |
| JPS60159301A (en) * | 1984-01-27 | 1985-08-20 | Mitsubishi Heavy Ind Ltd | Pump and power retrieving turbine device |
| CN201236786Y (en) * | 2008-08-07 | 2009-05-13 | 大庆油田力神泵业有限公司 | Performance detection testing bench for screw pump |
| CN101464203A (en) * | 2009-01-12 | 2009-06-24 | 浙江大学 | Mechanical seal transient state start/stop sealing property tester |
| CN101649833A (en) * | 2009-09-08 | 2010-02-17 | 合肥通用机械研究院 | Mechanical seal test device for nuclear main pump |
-
2010
- 2010-06-17 CN CN201010202928XA patent/CN101865137B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55101794A (en) * | 1979-01-26 | 1980-08-04 | Takasago Tekko Kk | Speed controlling system for centrifugal pump with mechanically stepless speed changing device |
| JPS60159301A (en) * | 1984-01-27 | 1985-08-20 | Mitsubishi Heavy Ind Ltd | Pump and power retrieving turbine device |
| CN201236786Y (en) * | 2008-08-07 | 2009-05-13 | 大庆油田力神泵业有限公司 | Performance detection testing bench for screw pump |
| CN101464203A (en) * | 2009-01-12 | 2009-06-24 | 浙江大学 | Mechanical seal transient state start/stop sealing property tester |
| CN101649833A (en) * | 2009-09-08 | 2010-02-17 | 合肥通用机械研究院 | Mechanical seal test device for nuclear main pump |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672133A (en) * | 2011-03-16 | 2012-09-19 | 大连瑞谷科技有限公司 | Method for adjusting rotation speed of centrifugal machine |
| CN103184937A (en) * | 2011-12-28 | 2013-07-03 | 中国航空工业集团公司沈阳飞机设计研究所 | Jet flow control system |
| CN103632006B (en) * | 2013-12-04 | 2017-02-08 | 中国寰球工程有限公司 | Method for determining critical rotating speed of wet rotor of multistage centrifugal pump |
| CN103632006A (en) * | 2013-12-04 | 2014-03-12 | 中国寰球工程公司 | Method for determining critical rotating speed of wet rotor of multistage centrifugal pump |
| CN104929944B (en) * | 2015-06-09 | 2017-04-12 | 江苏大学 | Clearance flow based multi-stage pump rotor dynamic seal designing method |
| CN104929944A (en) * | 2015-06-09 | 2015-09-23 | 江苏大学 | Clearance flow based multi-stage pump rotor dynamic seal designing method |
| RU2604778C1 (en) * | 2015-10-06 | 2016-12-10 | Акционерное общество "Опытное Конструкторское Бюро Машиностроения имени И.И. Африкантова" (АО "ОКБМ Африкантов") | Test bench for end seals of shafts of circulating pumps |
| CN108035883A (en) * | 2017-11-30 | 2018-05-15 | 浙江理工大学 | Study the mechanics experimental apparatus and method in centrifugal multistage pump multiple centrifugal pump front shroud of impeller gap |
| CN108035883B (en) * | 2017-11-30 | 2023-11-28 | 浙江理工大学 | Dynamics experiment device and method for researching gap of front cover plate of impeller of multistage centrifugal pump |
| CN108414211A (en) * | 2018-05-16 | 2018-08-17 | 浙江理工大学 | Experimental bench device and experimental method for testing centrifugal pump protecgulum sheet separation Exciting Force Characteristics |
| CN108414211B (en) * | 2018-05-16 | 2023-07-14 | 浙江理工大学 | Experiment table device and experiment method for testing exciting force characteristics of gap of front cover plate of centrifugal pump |
| CN110273838A (en) * | 2019-07-31 | 2019-09-24 | 扬州大学 | A kind of centrifugal multistage pump multiple centrifugal pump |
| CN110273838B (en) * | 2019-07-31 | 2024-01-09 | 扬州大学 | Multistage centrifugal pump |
| CN111912720A (en) * | 2020-07-17 | 2020-11-10 | 中国航发湖南动力机械研究所 | Centrifugal loading device for photosensitive resin model |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101865137B (en) | 2011-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101865137B (en) | Experimental device of 'wet' rotor effect of multi-stage centrifugal pump | |
| CN102269654A (en) | Water lubricated bearing and transmission system comprehensive performance testing platform | |
| CN201130095Y (en) | Radial sliding bearing test stand | |
| CN104792526B (en) | Wind turbine gearbox dynamic response Multi-parameter detection device | |
| CN107121286A (en) | A kind of vertical water lubricating radial bearing test device and its test simulation method | |
| CN105973600B (en) | A kind of multifunctional water lubricating thrust bearing systems test bed | |
| CN105067263B (en) | Tail-rotor formula helicopter tail rotor forms a complete set of joint bearing life testing machine | |
| CN107560855A (en) | A kind of filmatic bearing dynamic and static state performance experimental rig | |
| CN104929944B (en) | Clearance flow based multi-stage pump rotor dynamic seal designing method | |
| CN104849009B (en) | Two-stage fixed axis gear transmission mechanism vibration testing device | |
| CN207583631U (en) | Study the mechanics experimental apparatus in centrifugal multistage pump multiple centrifugal pump front shroud of impeller gap | |
| CN108035883B (en) | Dynamics experiment device and method for researching gap of front cover plate of impeller of multistage centrifugal pump | |
| CN104849049B (en) | A kind of load hydrodynamic bearing test system at a high speed | |
| Glovatsky et al. | Diagnostic tests of vertical pumps modernized pump stations | |
| CN104502094B (en) | A kind of Helicopter Main driving unit fault analogue means | |
| CN101799356B (en) | Method for testing and identifying dynamic characteristic coefficients of seals | |
| CN107607320A (en) | For testing the experimental bench device and method of balancing drum rotor eddy characteristic | |
| CN204126885U (en) | Noise abatement oil pump gear assembly | |
| CN104089773A (en) | Device and method for testing efficiency of transmission system of hose-reeling irrigation machine | |
| CN105488286B (en) | Vertical multi-stage centrifugal pump rotor dynamics modeling method under a kind of band liquid operating mode | |
| CN205330964U (en) | Oil pump gear of making an uproar falls | |
| CN208293303U (en) | A kind of double eccentric block high-speed shaking boxes | |
| CN206960120U (en) | The experimental rig of radial journal bearing greasy property test is slided in a kind of dynamic pressure | |
| Hübel et al. | Screw compressor analysis from a vibration point-of-view | |
| CN210622787U (en) | Device for testing mechanical performance of hydraulic impact |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20110928 Termination date: 20140617 |
|
| EXPY | Termination of patent right or utility model |