CN209372306U - A kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental system - Google Patents
A kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental system Download PDFInfo
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- CN209372306U CN209372306U CN201920326977.0U CN201920326977U CN209372306U CN 209372306 U CN209372306 U CN 209372306U CN 201920326977 U CN201920326977 U CN 201920326977U CN 209372306 U CN209372306 U CN 209372306U
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- centrifugal
- pump
- centrifugal pump
- dynamic balance
- water storage
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Abstract
The utility model discloses a kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental systems, including water storage apparatus and circulation mechanism, the circulation mechanism includes centrifugal multistage pump multiple centrifugal pump and the motor with centrifugal multistage pump multiple centrifugal pump axis connection, the centrifugal multistage pump multiple centrifugal pump, which is equipped with, connect centrifugal pump inlet and outlet of centrifugal pump by metal tube with the water storage apparatus, pressure gauge is connected on the metal tube that the water storage apparatus is connect with the outlet of centrifugal pump, outlet valve, check-valves, electromagnetic flowmeter and exhaust-valve, inlet valve and metal hose are connected on the metal tube connecting with the centrifugal pump inlet, water inlet and sewage draining exit are respectively equipped at the top and bottom of the water storage apparatus, system help beginner carries out the study and practice of dynamic balance technology on this system, improve its actual application ability, experimental system as complete set simultaneously, it can be showed The research of field dynamic balancing technique, improves the correction efficiency of spot dynamic balance.
Description
Technical field
The utility model relates to centrifugal multistage pump multiple centrifugal pump fields, and in particular to a kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experiment system
System.
Background technique:
For the slewing numerous for petroleum chemical enterprise, vibration caused by rotor unbalance be main failure mode it
One, it is rotor dynamic balancing technology for the common technological means of the failure, main method is divided into two kinds: offline balancing method and scene
Balancing method.For some Diagnosing System for Oil Pump master spot dynamic balance methods to be applied, dynamic balance technology is divided into mapping again
Method and method of model balancing are all position and the size that balance is found by multiple test mass.In order to improve balance efficiency, reduces and shut down
Number generallys use influence coefficient method and carries out spot dynamic balance correction.Influence coefficient method is mainly by enterprising in rotating machinery
The multiple test mass of row finds the position of amount of unbalance and size carries out counterweight, this means that and repeatedly to be risen in correction course
It shuts down.For the researcher of dynamic balance technology and practical operation personnel, site machinery is not appropriate for test grinding
Study carefully and technical training, can generally build some experimental provisions and be learnt.Common experimental provision is mostly midget plant, structure
Mainly it is made of rotor-support-foundation system and support system, fluid load is not added in operating condition, with actual condition there are also different,
Especially when carrying out dynamic balance technology improvement, only the experimental provision close with live actual condition just be can ensure that
The reliability of experimental data, therefore existing experimental provision still has certain limitation.
Utility model content
The purpose of this utility model is to provide a kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental systems, to solve existing skill
Caused above-mentioned defects in art.
A kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental system, including water storage apparatus and circulation mechanism, the circulation mechanism
Motor including centrifugal multistage pump multiple centrifugal pump and with centrifugal multistage pump multiple centrifugal pump axis connection, the centrifugal multistage pump multiple centrifugal pump are equipped with and the water storage apparatus
Centrifugal pump inlet and outlet of centrifugal pump, the metal tube that the water storage apparatus is connect with the outlet of centrifugal pump are connected by metal tube
On be connected with pressure gauge, outlet valve, check-valves, electromagnetic flowmeter and exhaust-valve, the metal tube being connect with the centrifugal pump inlet
On be connected with inlet valve and metal hose, be respectively equipped with water inlet and sewage draining exit at the top and bottom of the water storage apparatus.
Preferably, the water storage apparatus includes the water inlet tank being attached by flange and water pot out, on the water inlet tank
Equipped with suction flange, the water pot out is equipped with outlet(discharge) flange.
It preferably, include centrifugal pump impeller and balancing frame inside the centrifugal multistage pump multiple centrifugal pump.
Preferably, the circulation mechanism is fixed by foundation bolt and ground.
Preferably, the ground of the water storage apparatus and the circulation mechanism is equipped with rhone.
Preferably, the metal tube that the outlet of centrifugal pump is connect with the water storage apparatus is equipped with bracket.
Preferably, the water inlet tank and water outlet pot bottom are equipped with hold-down support.
Preferably, the water inlet tank and on water pot it is equipped with liquidometer out.
Utility model has the advantages that this kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental system, relative to traditional reality
Experiment device is dynamic flat closer to the scene of in petrochemical industry field working conditions, capable of more reacting designing and manufacturing aspect with fluid-load
The operating process of weighing apparatus technology.Simultaneously for the researcher of dynamic balance technology, since its operating condition and scene are close, it can guarantee
The data accuracy measured is tested, it is significant to the further research of dynamic balance technology.
Detailed description of the invention
Fig. 1 is the structure connection diagram of the utility model.
Fig. 2 is the structure connection diagram of the middle water storage apparatus of the utility model.
Wherein: 1- rhone, 2- foundation bolt, 3- motor, 4- balancing frame, 5- centrifugal multistage pump multiple centrifugal pump, 6- centrifugal pump impeller, 7-
Centrifugal pump inlet, 8- outlet of centrifugal pump, 9- inlet valve, 10- pressure gauge, 11- outlet valve, 12- check-valves, 13- electromagnetic flowmeter,
14- exhaust-valve, 15- metal hose, 16- bracket, 17- water inlet, 18- water storage apparatus, 19- liquidometer, 20- sewage draining exit, 21- are solid
Determine support, 22- water inlet tank, 23- goes out water pot, 24- suction flange, 25- outlet(discharge) flange, 26- flange.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figure 1 to Figure 2, a kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental system, including water storage apparatus 18 and circulation
Mechanism, the circulation mechanism include centrifugal multistage pump multiple centrifugal pump 5 and the motor 3 with 5 axis connection of centrifugal multistage pump multiple centrifugal pump, the centrifugal multistage pump multiple centrifugal pump
5 are equipped with and with the water storage apparatus 18 connect centrifugal pump inlet 7 and outlet of centrifugal pump 8, the water storage apparatus 18 by metal tube
Pressure gauge 10, outlet valve 11, check-valves 12, electromagnetic flowmeter 13 are connected on the metal tube connecting with the outlet of centrifugal pump 8
With exhaust-valve 14, it is connected with inlet valve 9 and metal hose 15 on the metal tube connecting with the centrifugal pump inlet 7, by described
Outlet valve 11 and the inlet valve 9 carry out the adjusting of flow to inlet/outlet pipe, and the prison of discharge pressure is carried out by the pressure gauge 10
Control, convenient for the filling pump of centrifugal multistage pump multiple centrifugal pump 5 and emptying, the metal hose 15 is arranged can reduce the shadow of fluid impact as far as possible
It rings, the top and bottom of the water storage apparatus 18 are respectively equipped with water inlet 17 and sewage draining exit 20.
In the present embodiment, the water storage apparatus 18 includes the water inlet tank 22 being attached by flange 26 and water pot out
23, the water inlet tank 22 is equipped with suction flange 24, and the water pot 23 out is equipped with outlet(discharge) flange 25, and two water tanks can subtract
The interference that impact vibration caused by few fluid conveying measures 5 unbalance vibration of centrifugal multistage pump multiple centrifugal pump.
It in the present embodiment, include centrifugal pump impeller 6 and balancing frame 4 inside the centrifugal multistage pump multiple centrifugal pump 5.
In the present embodiment, the circulation mechanism is fixed by foundation bolt 2 with ground, in order to guarantee to be centrifuged pump operation
Stablize.
In the present embodiment, the ground of the water storage apparatus 18 and the circulation mechanism be equipped with rhone 1, avoid because from
The appearance evaporating, emitting, dripping or leaking of liquid or gas problem of edema with the heart involved pump prevents fluid leakage from causing safety accident.
In the present embodiment, the metal tube that the outlet of centrifugal pump 8 is connect with the water storage apparatus 18 is equipped with bracket 16,
Metal tube is supported by bracket 16.
In the present embodiment, the water inlet tank 22 and 23 bottom of water pot is equipped with hold-down support 21 out.
In the present embodiment, the water inlet tank 22 and on water pot 23 it is equipped with liquidometer 19 out.
Based on above-mentioned, the working principle of this kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental system be establish it is a set of existing with petrochemical industry
Similar centrifugal pump transportation system simulates live actual condition, and the amount of unbalance by adjusting the centrifugal pump rotor realizes existing
The practical operation of field dynamic balancing technique and experimental study.
Main implementing procedure: first ensuring that blowdown valve 20 is closed, and the switch of glass-tube liquid level meter 19 is opened, and then passes through water inlet
Water storage apparatus 18 is injected recirculated water by pipe, is observed liquid level by the glass-tube liquid level meter 19 on water storage apparatus 18 and is risen to reading
90% graduation mark stops water filling, closes water inlet valve；Check pressure gauge 10, electromagnetic flowmeter 13 is working properly, opens out
Mouth pipe exhaust-valve 14 and inlet valve 9, carry out filling pump to centrifugal pump, when evacuation port has fluid outflow to close exhaust-valve 14；Manual disk
Vehicle, it is ensured that startup power supply after unit works well opens outlet valve 11 when stable after, is adjusted to target flow.To system
It is stable, after two water tank liquid levels keep balance, vibration measurement can be carried out on two bearing housings of centrifugal pump.It completes
Close outlet valve after measurement, cut off the power after flow is reduced to zero, then carried out on balancing frame 4 according to measurement result test mass or
Counterweight, then startup power supply running gear, and repeat vibration measurement, when making centrifugal pump vibration be reduced to safety by counterweight
After value, power supply is closed, completes spot dynamic balance correction course.After completing all experiments, checks and close import and export valve, beat
Blowdown valve 14 is opened by the emptying rate of liquid in water tank；The leakage fluid dram for opening exhaust-valve 14 and centrifugal pump bottom, fluid in centrifugal pump is arranged
Sky finally closes leakage fluid dram and exhaust-valve.
As known by the technical knowledge, the utility model can pass through other essence without departing from its spirit or the reality of essential feature
Scheme is applied to realize.Therefore, embodiment disclosed above, in all respects are merely illustrative, and are not only
's.All changes that come within the scope of the invention or equivalents of the invention are by the utility model packet
Contain.
Claims (8)
1. a kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental system, which is characterized in that including water storage apparatus (18) and circulation mechanism,
The circulation mechanism includes centrifugal multistage pump multiple centrifugal pump (5) and the motor (3) with centrifugal multistage pump multiple centrifugal pump (5) axis connection, the multistage centrifugal
Pump (5), which is equipped with, connect centrifugal pump inlet (7) and outlet of centrifugal pump (8) by metal tube with the water storage apparatus (18), described
Pressure gauge (10), outlet valve (11), non-return are connected on the metal tube that water storage apparatus (18) is connect with the outlet of centrifugal pump (8)
Valve (12), electromagnetic flowmeter (13) and exhaust-valve (14) are connected with import on the metal tube connecting with the centrifugal pump inlet (7)
Valve (9) and metal hose (15) are respectively equipped with water inlet (17) and sewage draining exit at the top and bottom of the water storage apparatus (18)
(20)。
2. a kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental system according to claim 1, it is characterised in that: the water storage
Equipment (18) includes the water inlet tank (22) being attached by flange (26) and water pot (23), the water inlet tank (22) are equipped with out
Suction flange (24), described water pot (23) out are equipped with outlet(discharge) flange (25).
3. a kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental system according to claim 1, it is characterised in that: the multistage
It include centrifugal pump impeller (6) and balancing frame (4) inside centrifugal pump (5).
4. a kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental system according to claim 1, it is characterised in that: the circulation
Mechanism is fixed by foundation bolt (2) with ground.
5. a kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental system according to claim 1, it is characterised in that: the water storage
The ground of equipment (18) and the circulation mechanism is equipped with rhone (1).
6. a kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental system according to claim 1, it is characterised in that: the centrifugation
The metal tube that pump discharge (8) is connect with the water storage apparatus (18) is equipped with bracket (16).
7. a kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental system according to claim 2, it is characterised in that: the water inlet
Tank (22) and water pot (23) bottom is equipped with hold-down support (21) out.
8. a kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental system according to claim 2, it is characterised in that: the water inlet
Liquidometer (19) are equipped on tank (22) and out water pot (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920326977.0U CN209372306U (en) | 2019-03-15 | 2019-03-15 | A kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920326977.0U CN209372306U (en) | 2019-03-15 | 2019-03-15 | A kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209372306U true CN209372306U (en) | 2019-09-10 |
Family
ID=67824200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920326977.0U Expired - Fee Related CN209372306U (en) | 2019-03-15 | 2019-03-15 | A kind of centrifugal multistage pump multiple centrifugal pump spot dynamic balance experimental system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209372306U (en) |
-
2019
- 2019-03-15 CN CN201920326977.0U patent/CN209372306U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20200315 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |