CN208203604U - Magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure - Google Patents
Magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure Download PDFInfo
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- CN208203604U CN208203604U CN201820145219.4U CN201820145219U CN208203604U CN 208203604 U CN208203604 U CN 208203604U CN 201820145219 U CN201820145219 U CN 201820145219U CN 208203604 U CN208203604 U CN 208203604U
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Abstract
The utility model discloses a kind of magnetic suspension Large-power High-Speed centrifuge multi-stage compression structures, it includes: the high-speed motor main shaft being threaded through on motor, it is respectively sleeved at the seal assembly A and seal assembly B at high-speed motor main shaft both ends, one stage impeller spiral case compression assembly and sencond stage impeller spiral case compression assembly are separately installed on the outside of seal assembly A and seal assembly B, high-speed magnetic levitation bearing assembly A and high-speed magnetic levitation bearing assembly B are arranged on high-speed motor main shaft, the structure solves high revolving speed, heavy-duty motor is due to high revolving speed, it is high-power, its bearing linear velocity is high, revolving speed is fast, and the bearing problems such as seal oil, and at the same time solving motor, bearing, centrifuge, the problem of multi-stage compression structure, solve rotor dynamics problems.
Description
Technical field
The utility model relates to compressor field, specifically a kind of magnetic suspension Large-power High-Speed centrifuge multi-stage compression knot
Structure.
Background technique
Compressor is a kind of driven fluid machinery that low-pressure gas is promoted to high pressure gas, traditional centrifugal big function
Rate 300-80000KW, 5000-30000rpm compound compressor frame mode, a kind of mode are that motor reaches after booster engine speedup
To revolving speed required for centrifugal compressor.Pass through machinery speed increasing mode completely.Since booster engine passes through machine driving, lubrication portion
Part, a part of power must be lost, permissive waste power is between 2%-4%, and is that motor adds booster engine to add centrifuge structure, knot
The features such as structure is complicated, and volume is big, and weight is big.COMPREHENSIVE CALCULATING high speed speed motor centrifuge reaches after booster engine speedup than motor
It is centrifugal to improve 3% or so.Second way steam turbine drags centrifuge rotation, and industrial generation 300MW steam turbine does effect
Rate general 47%.And industry dragging steam turbine power generation steam turbine mechanical efficiency 43% or so, effect is done than industrial generation steam turbine
Between the low 3%-5% of rate, because electric turbine group is high power turbine unit mostly all using multistage turbine, multistage turbine
Other leaving velocity kinetic energy at different levels can be utilized by next stage, therefore the high power turbine internal efficiency that generates electricity improves, if it is motor drag
If, it removes electric energy and turns mechanical efficiency 98%, COMPREHENSIVE CALCULATING electric turbine converting electrical energy dragging motor is than industry dragging steamer
Machine improves 3% or so.
Utility model content
Purpose of utility model: purpose of the utility model is to solve the deficiencies in the prior art, provide a kind of magnetic suspension
Large-power High-Speed centrifuge multi-stage compression structure solves high revolving speed, heavy-duty motor due to high revolving speed, high-power, bearing
Linear velocity is high, and revolving speed is fast, and the bearing problems such as seal oil, and at the same time solving motor, bearing, centrifuge, multistage pressure
The problem of shrinking structure, solves rotor dynamics problems.
Technical solution: in order to achieve the goal above, a kind of magnetic suspension Large-power High-Speed centrifuge described in the utility model
Multi-stage compression structure, it includes: pedestal and the motor that is mounted on the base, it further include: the high-speed motor being threaded through on motor
Main shaft, is respectively sleeved at the seal assembly A and seal assembly B at high-speed motor main shaft both ends, seal assembly A and seal assembly B's
Outside is separately installed with one stage impeller spiral case compression assembly and sencond stage impeller spiral case compression assembly, is arranged on high-speed motor main shaft
High-speed magnetic levitation bearing assembly A and high-speed magnetic levitation bearing assembly B, against the three-level impeller snail of high-speed magnetic levitation bearing assembly A
Shell compression assembly and Pyatyi impeller spiral case compression assembly are sequentially sleeved on high-speed motor main shaft, abut high-speed magnetic levitation bearing group
The level Four impeller spiral case compression assembly of part B and six grades of impeller spiral case compression assemblies are sequentially sleeved on high-speed motor main shaft.Pass through
Reduce among two spiral cases two bearings center away from, motor and it is main disembark simultaneously using both ends high-speed magnetic levitation bearing, avoid from
Using a set of, motor makes a set of bearing for scheming, reduces costs, meanwhile, rigid connection structure can be designed, intermediate ring is reduced
Section greatly improves rotor rigidity, improves rotor single order second order critical speed, improves high speed rotor stationarity, reliability and efficiency,
It plays a role in energy saving.
As the further preferred of the utility model, the high-speed magnetic levitation bearing assembly A that is set on high-speed motor main shaft
With high-speed magnetic levitation bearing assembly B respectively against in the side of seal assembly A and seal assembly B.
As the further preferred of the utility model, the high-speed motor main shaft is magnetic suspension bearing, due to being magnetcisuspension
Floating axle bearing structure does not have the problem of oil lubrication would not cause lubricating oil to enter centrifugal chiller.
As the further preferred of the utility model, Pyatyi impeller spiral case compression assembly and six grades of impeller spiral case compression assemblies
On flange of the spiral case respectively with the both ends of motor housing be fixed together, the peace that ensure that the stability of size and use
Quan Xing.
As the further preferred of the utility model, high-speed magnetic levitation bearing assembly A is fixed on magnetic by way of assembling
On suspension bearing seat A, high-speed magnetic levitation bearing assembly B is fixed on magnetic suspension bearing seat B by way of assembling.
As the further preferred of the utility model, the both ends of the three-level impeller spiral case compression assembly respectively with magnetcisuspension
Floating bearing block A is connected with Pyatyi impeller spiral case compression assembly, the both ends of level Four impeller spiral case compression assembly respectively with magnetic suspension shaft
B and six grade of impeller spiral case compression assembly is held to be connected.
As the further preferred of the utility model, spiral case and Pyatyi impeller that three-level impeller spiral case compression assembly is equipped with
The spiral case that spiral case compression assembly is equipped with is installed and fixed by bolt, the spiral case that level Four impeller spiral case compression assembly is equipped with
The spiral case that six grades of impeller spiral case compression assemblies are equipped with is installed and fixed by bolt.
As the further preferred of the utility model, the one stage impeller spiral case compression assembly and high-speed magnetic levitation bearing
The mode that component A is connected through a screw thread is fixed together.
As the further preferred of the utility model, the sencond stage impeller spiral case compression assembly and high magnetic suspension bearing block
The mode that B is connected through a screw thread is fixed together.
The utility model has the advantages that a kind of magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure described in the utility model, passes through
Motor adds magnetic suspension bearing, and uses a high-speed motor main shaft, makes to connect impeller wheel of centrifugal machine and motor stator directly drives,
Due to not having booster engine, bearing is magnetic bearing structure, without lubricating system, reduces booster engine and lubrication power loss is
3%, meanwhile, 3% or so are improved with industrial steam turbine converting electrical energy dragging motor efficiency, by such as 300kw-80000kw, i.e., per small
It between 15 degree -2400 of Shi Sheng electricity degree, worked daily by 20 hours, i.e., daily power saving 180 degree -48000 is spent, and annual power saving is up to
It 6.4 ten thousand degree to 17,280,000 degree, if pressing 1 yuan of commercial power/degree, will be saved every year with 6.48 ten thousand yuan to 17,250,000 yuan, it will significantly
Use cost is reduced, effects of energy saving and emission reduction is played.
Detailed description of the invention
Fig. 1 is the working principle diagram of the utility model.
Specific embodiment
With reference to the accompanying drawing, the utility model is furtherd elucidate.
As shown in the picture, a kind of magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure described in the utility model, it
It include: one stage impeller spiral case compression assembly 1, the seal assembly A2 at both ends, high-speed magnetic levitation bearing assembly A3, three-level impeller spiral case
Compression assembly 4, Pyatyi impeller spiral case compression assembly 5, motor 6, pedestal 7, six grades of impeller spiral case compression assemblies 8, level Four impeller snail
Shell compression assembly 9, high-speed magnetic levitation bearing assembly B10, seal assembly B11, sencond stage impeller spiral case compression assembly 12 and high speed are electric
Owner's axis 13.
One stage impeller spiral case compression assembly 1 and second level leaf are separately installed on the outside of seal assembly A2 and seal assembly B11
Spiral case compression assembly 12 is taken turns, is arranged with high-speed magnetic levitation bearing assembly A3 and high-speed magnetic levitation bearing group on high-speed motor main shaft 13
Part B10, three-level impeller spiral case compression assembly 4 and Pyatyi impeller spiral case compression assembly 5 abut high-speed magnetic levitation bearing assembly A3, three
The impeller 16 being respectively equipped on grade impeller spiral case compression assembly 4 and Pyatyi impeller spiral case compression assembly 5 is sequentially sleeved at high speed electricity
Level Four impeller spiral case compression assembly 9 and six grades of impeller spiral case compressions on owner's axis 13, against high-speed magnetic levitation bearing assembly B10
The impeller 16 being respectively equipped on component 8 is sequentially sleeved on high-speed motor main shaft 13.
Gas access on the gas vent and sencond stage impeller spiral case compression assembly 12 of one stage impeller spiral case compression assembly 1 is logical
Piping is connected, and the gas of gas vent and three-level impeller spiral case compression assembly 4 on sencond stage impeller spiral case compression assembly 12 enters
Mouth is connected by pipeline, and the gas vent of three-level impeller spiral case compression assembly 4 and the gas of level Four impeller spiral case compression assembly 9 enter
Mouth is connected by pipeline, and the gas vent of level Four impeller spiral case compression assembly 9 and the gas of Pyatyi impeller spiral case compression assembly 5 enter
Mouth is connected by pipeline, and the gas vent of Pyatyi impeller spiral case compression assembly 5 and the gas of six grades of impeller spiral case compression assemblies 8 enter
Mouth is connected by pipeline, and the gas vent of six grades of impeller spiral case compression assemblies 8 is connected with six grades of flange of cooler.
Embodiment
High-speed motor main shaft 13 is threaded through on motor 6, and gas enters leaf from the leftmost side of one stage impeller spiral case compression assembly 1
16 acting of wheel is to improve the flowing velocity of gas, and then passing through diffuser 14 makes the speed of gas lower, and gas pressure increases
Then into the spiral case 15 of one stage impeller spiral case compression assembly 1, gas comes out from the outlet of spiral case 15 through subcooler height
It is cooling, it enters back into sencond stage impeller spiral case compression assembly 12 and further compresses, repeat the above steps, from sencond stage impeller spiral case compression group
The gas of the gas vent output of part 12 is after cooler is cooling successively through three-level impeller spiral case compression assembly 4, level Four impeller snail
Shell compression assembly 9, Pyatyi impeller spiral case compression assembly 5 and six grades of impeller spiral case compression assemblies 8, finally obtain compressed gas
Medium.
Above embodiment is only to illustrate the technical ideas and features of the present invention, and the purpose is to allow be familiar with technology neck
The technical staff in domain can understand the content of the utility model and implement accordingly, and the guarantor of the utility model can not be limited with this
Protect range.All equivalent changes or modifications substantially made according to the spirit of the present invention, should all cover in the utility model
Within protection scope.
Claims (9)
1. a kind of magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure, it includes: pedestal (7) and is mounted on pedestal (7)
Motor (6), it is characterised in that: it further include: the high-speed motor main shaft (13) being threaded through on motor (6) is respectively sleeved at height
The seal assembly A (2) and seal assembly B (11) at speed motor main shaft (13) both ends, seal assembly A (2) and seal assembly B's (11)
Outside is separately installed with one stage impeller spiral case compression assembly (1) and sencond stage impeller spiral case compression assembly (12), high-speed motor main shaft
(13) it is arranged with high-speed magnetic levitation bearing assembly A (3) and high-speed magnetic levitation bearing assembly B (10) on, abuts high-speed magnetic levitation axis
The three-level impeller spiral case compression assembly (4) and Pyatyi impeller spiral case compression assembly (5) of bearing assembly A (3) is sequentially sleeved at high speed electricity
Level Four impeller spiral case compression assembly (9) and six grades of impeller snails on owner's axis (13), against high-speed magnetic levitation bearing assembly B (10)
Shell compression assembly (8) is sequentially sleeved on high-speed motor main shaft (13).
2. magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure according to claim 1, it is characterised in that: be set in
High-speed magnetic levitation bearing assembly A (3) and high-speed magnetic levitation bearing assembly B (10) on high-speed motor main shaft (13) respectively against
The side of seal assembly A (2) and seal assembly B (11).
3. magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure according to claim 1, it is characterised in that: described
High-speed motor main shaft (13) is magnetic suspension bearing.
4. magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure according to claim 1, it is characterised in that: Pyatyi leaf
Take turns spiral case (15) on spiral case compression assembly (5) and six grades of impeller spiral case compression assemblies (8) both ends with motor (6) shell respectively
Flange be fixed together.
5. magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure according to claim 1, it is characterised in that: described
High-speed magnetic levitation bearing assembly A (3) is fixed on magnetic suspension bearing seat A (31), and high-speed magnetic levitation bearing assembly B (10) is fixed on
On magnetic suspension bearing seat B (101).
6. magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure according to claim 5, it is characterised in that: described
The both ends of three-level impeller spiral case compression assembly (4) respectively with magnetic suspension bearing seat A (31) and Pyatyi impeller spiral case compression assembly (5)
It is connected, the both ends of level Four impeller spiral case compression assembly (9) are compressed with magnetic suspension bearing seat B (101) and six grades of impeller spiral cases respectively
Component (8) is connected.
7. magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure according to claim 6, it is characterised in that: three-level leaf
The spiral case (15) that the spiral case (15) and Pyatyi impeller spiral case compression assembly (5) that wheel spiral case compression assembly (4) is equipped with are equipped with is logical
It crosses bolt to install and fix, the spiral case (15) that level Four impeller spiral case compression assembly (9) is equipped with and six grades of impeller spiral case compression groups
The spiral case (15) that part (8) is equipped with is installed and fixed by bolt.
8. magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure according to claim 5, it is characterised in that: described
One stage impeller spiral case compression assembly (1) is fixed together with high-speed magnetic levitation bearing assembly A (3) mode being connected through a screw thread.
9. magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure according to claim 5, it is characterised in that: described
Sencond stage impeller spiral case compression assembly (12) is fixed together with magnetic suspension bearing seat B (101) mode being connected through a screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820145219.4U CN208203604U (en) | 2018-01-29 | 2018-01-29 | Magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820145219.4U CN208203604U (en) | 2018-01-29 | 2018-01-29 | Magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208203604U true CN208203604U (en) | 2018-12-07 |
Family
ID=64533834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820145219.4U Active CN208203604U (en) | 2018-01-29 | 2018-01-29 | Magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208203604U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425859A (en) * | 2018-01-29 | 2018-08-21 | 固耐重工（苏州）有限公司 | Magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure |
| CN110886706A (en) * | 2019-10-22 | 2020-03-17 | 沈阳微控新能源技术有限公司 | Vehicle-mounted fuel cell gas compressor based on magnetic suspension bearing |
-
2018
- 2018-01-29 CN CN201820145219.4U patent/CN208203604U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425859A (en) * | 2018-01-29 | 2018-08-21 | 固耐重工（苏州）有限公司 | Magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure |
| CN110886706A (en) * | 2019-10-22 | 2020-03-17 | 沈阳微控新能源技术有限公司 | Vehicle-mounted fuel cell gas compressor based on magnetic suspension bearing |
| CN110886706B (en) * | 2019-10-22 | 2021-03-19 | 沈阳微控新能源技术有限公司 | Vehicle-mounted fuel cell gas compressor based on magnetic suspension bearing |
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