CN206268143U - A kind of centrifugal compressor - Google Patents
A kind of centrifugal compressor Download PDFInfo
- Publication number
- CN206268143U CN206268143U CN201621227954.7U CN201621227954U CN206268143U CN 206268143 U CN206268143 U CN 206268143U CN 201621227954 U CN201621227954 U CN 201621227954U CN 206268143 U CN206268143 U CN 206268143U
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- CN
- China
- Prior art keywords
- air inlet
- inlet pipe
- split ring
- supercharging impeller
- centrifugal compressor
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Abstract
The utility model discloses a kind of centrifugal compressor,Compressor main body includes shell,Outside shell and symmetrically arranged relative to housing center the first air inlet pipe and the second air inlet pipe,The first supercharging impeller being arranged in shell and the second supercharging impeller and it is used to support the base of compressor main body,The connection of the first air inlet pipe and the first supercharging impeller and the second air inlet pipe and the second supercharging impeller is provided with sealing ring,Sealing ring includes the first split ring and the second split ring that are wholely set,Second split ring is provided with annular groove towards the end face of axis direction,Annular groove is extended several in the axial direction,The outer face of one end of the first split ring is provided with annular boss,The outer face of the other end of the first split ring is provided with multiple circumferentially spaced baffles being uniformly arranged,Air intake filter is respectively equipped with first air inlet pipe and the second air inlet pipe.The utility model simple structure, easily manufactured, high working efficiency, long service life.
Description
Technical field
The utility model is related to compressor, specially a kind of centrifugal compressor.
Background technology
Centrifugal compressor is made up of rotor, stator and bearing etc..The parts such as impeller are enclosed within and rotor are constituted on main shaft, rotor branch
Hold on bearing, driven by engine and rotated at a high speed.Stator includes casing, dividing plate, sealing and part etc. volute casing.Between dividing plate
Form the retaining elements such as diffuser, bend and return channel.The centrifugal compressor of only one of which impeller is referred to as single-stage radial compressor,
Have two or more impeller is referred to as multistage centrifugal compressor（See coloured picture）.The passage groups such as level diffuser by impeller and behind
Into.Impeller is that the impeller of crucial portion's centrifugal compressor of centrifugal compressor has two kinds of enclosed and semi-open type.Double shrouded wheel is by leaf
Piece, wheel cap and wheel disc composition, half-opened impeller do not have wheel cap.When impeller rotates at a high speed, due to power between blade and gas
Interact, the mainly effect of centrifugal force, gas is sucked from impeller central, along leaf road（Passage between blade）Flow to leaf
Wheel outer rim.To gas work done, gas obtains energy to impeller, and pressure and speed are improved.Then, gas flows through the passages such as diffuser,
Speed reduction, pressure is further improved, i.e., kinetic energy is changed into pressure energy.The gas flowed out by diffuser is transferred out into volute casing
Go, or enter next stage continuation compression by bend and return channel.In whole compression process, the specific volume of gas reduces, temperature
Degree increases.After temperature increases, compressed gas need to consume more energy.In order to save power, multistage centrifugal compressor is in pressure
Power ratio be more than 3 when frequently with cooling during rolling.The level group referred to as section separated by cooling during rolling.Gas enters middle cold by the preceding paragraph
But device, enters back into next section and continues to compress after reducing temperature through cooling.
Existing centrifugal compressor, environment airborne dust than it is more serious when, easily make in dust access arrangement at air inlet
Portion, causes each position spot of centrifugal compressor to pile up, and influences the problem of operation.
Utility model content
In order to solve the above problems, the purpose of this utility model is to provide a kind of centrifugal compressor.
To achieve the above object, the utility model provides a kind of following centrifugal compressor of technical scheme, including：Compressor
Main body and compressor main body connection air accumulator, the safety valve being arranged on air accumulator, the compressor main body include shell,
Outside shell and symmetrically arranged relative to housing center the first air inlet pipe and the second air inlet pipe, be arranged in shell
One supercharging impeller and the second supercharging impeller and it is used to support the base of compressor main body, first air inlet pipe and the first supercharging
Impeller is connected, and second air inlet pipe is connected with second supercharging impeller, first air inlet pipe and the first supercharging impeller with
And second the connection of air inlet pipe and second supercharging impeller be provided with sealing ring, the sealing ring include being wholely set the
One split ring and the second split ring, the second split ring are located on the madial wall of the first split ring, second split
Ring is provided with annular groove towards the end face of the axis direction, and the annular groove is extended several, first split in the axial direction
The outer face of one end of ring is provided with annular boss, and the outer face of the other end of the first split ring is provided with multiple circumferentially
The baffle for setting uniformly at intervals, is respectively equipped with air intake filter, the air inlet in first air inlet pipe and the second air inlet pipe
Filter includes filtrate housing, the coarse filtration core being arranged in filtrate housing and smart filtration core, the air inlet of the filtrate housing
Air inlet louvers is externally provided with, is adsorbed by magnetic part between the air inlet louvers and the filtrate housing, the coarse filtration core
Air inlet louvers near the air inlet is set, and the smart filtration core connects setting, the air inlet in the coarse filtration core
Axis and first air inlet pipe and the second air inlet pipe axis in 90 ° of angle.
Preferably, it is in unsymmetric structure between every blinds of the air inlet louvers.
Preferably, a driven gear, the driven gear are respectively equipped with first air inlet pipe and the second air inlet pipe
It is connected with drive device respectively, the drive device includes two driving gears being meshed with driven gear respectively, uses
To drive the motor of driving gear, the motor to be arranged on the base.
Preferably, the baffle is arc surface towards the end face of the sealing ring axis direction, and the arc surface is court
Sealing ring axis direction projection.
Preferably, the output end rotation direction of two motors is opposite.
Compared with prior art, the beneficial effects of the utility model are：First air inlet pipe and are set on supercharging impeller
Two air inlet pipe, and air intake filter is set in the first air inlet pipe and the second air inlet pipe, make air inlet by coarse filtration core, essence filtering
Enter in compressor after core, make good filtration effect, filtering accuracy is high, and make between air inlet louvers and filtrate housing for magnetic connects
Connect, consequently facilitating dismounting air inlet louvers changes coarse filtration core, make to be changed also without shutdown when replacing coarse filtration core, make
With more convenient, two supercharging impellers are set, multi-stage booster effect is realized, compared to existing centrifugal compressor, it has structure letter
Single compact, compact, lightweight applied widely, cheap, work and operational efficiency advantage high.In the first air inlet pipe and
The connection of one supercharging impeller and the second air inlet pipe and the second supercharging impeller is provided with sealing ring, sealing ring is set and is integrated
The the first split ring and the second split ring for setting, the second split ring are provided with annular groove towards the end face of axis direction, and annular groove is along axis
Direction is extended several, and the outer face of one end of the first split ring is provided with annular boss, the other end of the first split ring
Outer face is provided with multiple circumferentially spaced baffles being uniformly arranged, in several rings that the second split ring inner wall even distribution is set
Groove, reduces the gap between compressor case and impeller, in the case where centrifugal compressor normal work is ensured, greatly
Gas leakage is reduced, the efficiency of compressor is improve, environmental pollution is reduced.The outer face of the first split ring other end is provided with
Circumferential boss, sealing ring is installed position by boss, makes simple structure, easy to disassemble.The axis of air inlet and described
The axis of one air inlet pipe and the second air inlet pipe can stop more imbedibility dust in 90 ° of angle by turning.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the utility model sealing ring；
Fig. 3 is the schematic cross-section of the utility model sealing ring；
Fig. 4 is the structural representation of air intake filter in the utility model.
In figure：Compressor main body 10；Air accumulator 101；Safety valve 102；Shell 103；First air inlet pipe 104；Second air inlet
Pipe 105；First supercharging impeller 106；Second supercharging impeller 107；Base 108；Driven gear 109；Driving gear 110；Drive electricity
Machine 111；Sealing ring 20；First split ring 201；Second split ring 202；Annular groove 203；Boss 204；Baffle 205；Inlet air filtration
Device 30；Coarse filtration core 301；Smart filtration core 302；Filtrate housing 303；Air inlet louvers 304.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
Fig. 1 to Fig. 4 is referred to, the utility model provides a kind of technical scheme：A kind of centrifugal compressor, including：Compression
Owner's body 10 and the air accumulator 101 of the connection of compressor main body 10, the safety valve 102 being arranged on air accumulator 101, the compression
Owner's body 10 include shell 103, outside shell 103 and relative to the Central Symmetry of shell 103 set the first air inlet pipe 104
With the second air inlet pipe 105, the first supercharging impeller 106 being arranged in shell 103 and the second supercharging impeller 107 and be used to support
The base 108 of compressor main body 10, first air inlet pipe 104 is connected with the first supercharging impeller 106, second air inlet pipe
105 are connected with second supercharging impeller 107, the supercharging impeller 106 of first air inlet pipe 104 and first and the second air inlet pipe
105 and the connection of second supercharging impeller 107 be provided with sealing ring 20, the sealing ring 20 includes be wholely set first
The split ring 202 of split ring 201 and second, the second split ring 202 is located on the madial wall of the first split ring 201, institute
State the second split ring 202 and be provided with annular groove 203 towards the end face of the axis direction, the annular groove 203 extends set in the axial direction
Put several, the outer face of one end of the first split ring 201 is provided with annular boss 204, the first split ring 201 it is another
The outer face of one end is provided with multiple circumferentially spaced baffles 205 being uniformly arranged, and first air inlet pipe 104 and second is entered
Air intake filter 30 is respectively equipped with tracheae 105, the air intake filter 30 includes filtrate housing 303, is arranged on filtrate housing
Coarse filtration core 301 and smart filtration core 302 in 303, the air inlet of the filtrate housing 303 are externally provided with air inlet louvers 304, institute
State and adsorbed by magnetic part between air inlet louvers 304 and the filtrate housing 303, the coarse filtration core 301 enters described in
The air inlet louvers 304 of gas port is set, and the smart filtration core 302 connects setting in the coarse filtration core 301, the air inlet
Axis and the angle that the axis of the air inlet pipe 105 of first air inlet pipe 104 and second is in 90 °.
In one embodiment, it is in unsymmetric structure between every blinds of the air inlet louvers 304.Can so have
Beneficial to the entrance of blocks dust.
In one embodiment, it is respectively equipped with a driven gear in the air inlet pipe 105 of first air inlet pipe 104 and second
109, the driven gear 109 respectively with drive device be connected, the drive device include respectively with the phase of driven gear 109
Engagement two driving gears 110, be used to drive the motor 111 of driving gear 110, the motor 111 is arranged on
On the base 108.
In one embodiment, the baffle 205 towards the sealing ring axis direction end face be arc surface, it is described
Arc surface is towards sealing ring axis direction projection.Multiple circumferential uniform cloth are provided with the outer face of one end of the first split ring 201
The baffle 205 put, has guiding function to air-flow, and the effective air-flow that reduces improves the steady of impeller to the exciting force of rotor
It is qualitative.
In one embodiment, the output end rotation direction of two motors 111 is opposite.Using different rotation sides
To power-equipment make supercharging blade on supercharging impeller to turning, realize the pressurized treatment of gas entered to middle part, and utilize
External shell substantially increases the discharge pressure of fan of product to being derived after the high-pressure gas seal after supercharging.
In sum, the utility model simple structure, easily manufactured, high working efficiency, long service life.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can be
Combined in an appropriate manner in one or more any embodiments or example.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is not departing from the utility model
Principle and objective in the case of above-described embodiment can be changed in the range of the utility model, change, replace and
Modification.
Claims (5)
1. a kind of centrifugal compressor, it is characterised in that including：Compressor main body and compressor main body connection air accumulator, setting
Safety valve on air accumulator, the compressor main body include shell, outside shell and symmetrically set relative to housing center
The first air inlet pipe put and the second air inlet pipe, the first supercharging impeller being arranged in shell and the second supercharging impeller and it is used to prop up
The base of compressor main body is supportted, first air inlet pipe is connected with the first supercharging impeller, second air inlet pipe and described second
Supercharging impeller is connected, the phase of first air inlet pipe and the first supercharging impeller and the second air inlet pipe and second supercharging impeller
Junction is provided with sealing ring, and the sealing ring includes the first split ring and the second split ring that are wholely set, second split
Ring is located on the madial wall of the first split ring, and the second split ring is provided with annular groove towards the end face of axis direction, described
Annular groove is extended several in the axial direction, and the outer face of one end of the first split ring is provided with annular boss, described
The outer face of the other end of one split ring is provided with multiple circumferentially spaced baffles being uniformly arranged, first air inlet pipe and
Air intake filter is respectively equipped with second air inlet pipe, the air intake filter includes filtrate housing, is arranged in filtrate housing
Coarse filtration core and smart filtration core, the air inlet of the filtrate housing are externally provided with air inlet louvers, the air inlet louvers with it is described
Adsorbed by magnetic part between filtrate housing, the coarse filtration core is set near the air inlet louvers of the air inlet, the essence
Filtration core connects setting, the axis of the air inlet and first air inlet pipe and the axle of the second air inlet pipe in the coarse filtration core
Line is in 90 ° of angle.
2. a kind of centrifugal compressor according to claim 1, it is characterised in that every blinds of the air inlet louvers
Between be in unsymmetric structure.
3. a kind of centrifugal compressor according to claim 1, it is characterised in that first air inlet pipe and the second air inlet
A driven gear is respectively equipped with pipe, the driven gear is connected with drive device respectively, and the drive device includes
Two driving gears being meshed with driven gear respectively, it is used to drive the motor of driving gear, the motor sets
Put on the base.
4. a kind of centrifugal compressor according to claim 1, it is characterised in that the baffle is towards the sealing ring
The end face of axis direction is arc surface, and the arc surface is towards sealing ring axis direction projection.
5. a kind of centrifugal compressor according to claim 3, it is characterised in that two output ends of the motor
Rotation direction is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621227954.7U CN206268143U (en) | 2016-11-16 | 2016-11-16 | A kind of centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621227954.7U CN206268143U (en) | 2016-11-16 | 2016-11-16 | A kind of centrifugal compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206268143U true CN206268143U (en) | 2017-06-20 |
Family
ID=59039730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621227954.7U Expired - Fee Related CN206268143U (en) | 2016-11-16 | 2016-11-16 | A kind of centrifugal compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206268143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757134A (en) * | 2021-07-28 | 2021-12-07 | 浙江镕达永能压缩机有限公司 | Centrifugal steam compressor with back-to-back arrangement of double impellers |
-
2016
- 2016-11-16 CN CN201621227954.7U patent/CN206268143U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757134A (en) * | 2021-07-28 | 2021-12-07 | 浙江镕达永能压缩机有限公司 | Centrifugal steam compressor with back-to-back arrangement of double impellers |
| CN113757134B (en) * | 2021-07-28 | 2023-07-14 | 浙江镕达永能压缩机有限公司 | Centrifugal vapor compressor with double impellers arranged in back-to-back manner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20181116 |