CN104728129B - A kind of multistage centrifugal compressor - Google Patents
A kind of multistage centrifugal compressor Download PDFInfo
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- CN104728129B CN104728129B CN201510083044.XA CN201510083044A CN104728129B CN 104728129 B CN104728129 B CN 104728129B CN 201510083044 A CN201510083044 A CN 201510083044A CN 104728129 B CN104728129 B CN 104728129B
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- chamber
- air pressure
- runner
- control module
- turbine
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Abstract
A kind of multistage centrifugal compressor that the present invention proposes, is provided with runner in body interior, is sequentially with multiple chamber from its entrance point to the port of export on runner, and at one turbine of chamber indoor location, storage tank is located at the port of export of runner；Import department at chamber is provided with the pressure transducer air pressure for detection chambers, the runner between two chambers of arbitrary neighborhood is provided with check valve, is provided with sealing valve in the port of export of runner；Control module is connected with pressure transducer and turbine；Under in working order, gas enters runner sequentially pass through each chamber from entrance point, and gas is compressed by control module for controlling turbine in chamber according to the atmospheric pressure value of pressure transducer detection, and controls compressed gas and flow into storage tank from the port of export.The present invention uses multi-stage compression and the mode automatically controlled, and the turbine in each chamber can be realized precision controlling, reach optimum efficiency, it is to avoid turbine flogs a dead horse, and ensures that the compressed gas of final output reaches to design requirement.
Description
Technical field
The present invention relates to Compressor Technology field, particularly relate to a kind of multistage centrifugal compressor.
Background technology
Compressor is a kind of with internal combustion engine or motor as power, atmosphere gas is compressed into gases at high pressure and has
There are a kind of power set of air-flow energy.In natural gas transmission and distribution system, compressor is used for compressed natural gas, carries
The pressure of high natural gas or conveying capacity, and the most usually with compressor conveying compression cleaning pipeline when
Gas replaces out the impurity in pipeline, in order to avoid blocking pipeline.The most usually compressor is likened into pipeline
The heart of conveying.Currently used most be exactly reciprocating compressor, reciprocating compressor utilizes piston movement
Compressed gas, its shortcoming is that structure is complicated, bulky, maintenance load big, due to power disequilibrium
With air-flow impulse action, it is desirable to equipment Foundations and Pipe installing anti-vibration measure, the most also air inlet-exhaust valve is prone to
Abrasion, the shortcomings such as part replacement is frequent.
Summary of the invention
The technical problem existed based on background technology, it is an object of the invention to propose a kind of multi-stage centrifugal compression
Machine.
A kind of multistage centrifugal compressor that the present invention proposes, including body, turbine, storage tank and control module；
It is provided with runner in body interior, runner is sequentially with multiple chamber from its entrance point to the port of export,
At one turbine of each chamber indoor location, storage tank is located at the port of export of runner；
Import department at each chamber is provided with the pressure transducer air pressure for detection chambers, arbitrarily
Runner between adjacent two chambers is provided with check valve, is provided with sealing valve in the port of export of runner；
Control module is connected with pressure transducer and turbine, is preset with target air pressure lower limit in the control module
With target air pressure higher limit, wherein target air pressure lower limit is less than target air pressure higher limit；
Under in working order, gas enters runner from entrance point and sequentially passes through each chamber, and control module is used
In the atmospheric pressure value detected according to pressure transducer controls chamber, gas is compressed by turbine, and controls
Compressed gas flows into storage tank from the port of export；
The chamber pressure value that control module detects according to the pressure transducer at chamber inlet controls the whirlpool in chamber
Wheel carries out rotating being compressed gas, when the air pressure in chamber reaches the marginal value of check valve, and compressed gas
Body opens check valve and enters in next chamber, and wherein the marginal value of check valve is less than target air pressure lower limit；
Detect that chamber pressure value reaches target air pressure at the pressure transducer at the chamber inlet of the port of export
During higher limit, control module controls to seal valve and opens, and compressed air enters in storage tank；Near the port of export
When the chamber pressure value that pressure transducer at chamber inlet detects is less than target air pressure lower limit, control mould
Block controls to seal valve closedown and carries out pressure accumulation.
Preferably, in control module, multiple air pressure threshold value and multiple performance number, multiple air pressure threshold values it are preset with
With multiple performance number one_to_one corresponding, wherein, multiple air pressure threshold values are incremented by and respectively less than target air pressure lower limit successively
Value；The atmospheric pressure value that pressure transducer is detected by control module compares with air pressure threshold value, and according to comparing knot
Fruit is chosen the performance number of correspondence and drives turbine to rotate.
Preferably, each turbine connects one for the motor driving it to rotate.
Preferably, storage tank is vacuum storage tank.
Preferably, being provided with heat sink in the port of export of runner, heat sink is positioned at sealing valve away from storage tank
Side.
Preferably, being provided with temperature sensor in the port of export of runner, it is remote that temperature sensor is positioned at heat sink
From the side sealing valve.
Preferably, control module is connected with temperature sensor and heat sink, and control module is according to temperature sensing
The temperature value of device detection controls heat sink work and lowers the temperature.
Preferably, the quantity of chamber is three.
In the present invention, by multiple turbines, gas is carried out multi-stage compression, it is ensured that the air pressure of output gas
Reach requirement；By turbine, gas is compressed in eccentric fashion, the reciprocating of the piston that compares
Compression, decreases the space shared by compression motion, thus reduces compressor volume, simplifies compressor knot
Structure, has saved equipment cost.By turbine centrifugal compressed gas, advantageously ensure that the stable flat of air-flow pulse
Weighing apparatus, thus reduce the vibrations injury suffered by compressor, it is ensured that the service life of each parts.By using
The mode automatically controlled, can realize precision controlling to the turbine in each chamber, reach optimum efficiency, it is to avoid whirlpool
Wheel flogs a dead horse, and ensures that the compressed gas of final output reaches target air pressure.
Accompanying drawing explanation
Fig. 1 is a kind of multistage centrifugal compressor structural representation that the present invention proposes；
Fig. 2 is a kind of multistage centrifugal compressor control structure schematic diagram that the present invention proposes.
Detailed description of the invention
Seeing figures.1.and.2, a kind of multistage centrifugal compressor that the present invention proposes, including 1, three whirlpools of body
Wheel 2, storage tank 3 and control module.
Runner 11 it is provided with, from its entrance point 11A to port of export 11B order on runner 11 inside body 1
It is provided with three chambers 12, a turbine 2 is installed in each chamber 12, when turbine 2 rotates with centrifugal
Gas in chamber 12 is compressed by power.
Import department at each chamber 12 is provided with the pressure transducer 4 air pressure for detection chambers 12,
It is provided with check valve 5 on runner 11 between two chambers 12 of arbitrary neighborhood to isolate, 5, check valve
Can open, when chamber 12 internal gas pressure reaches check valve 5 from entrance point 11A to port of export 11B direction is unidirectional
During marginal value, check valve 5 is opened, and compressed gas enters in next chamber 12.
Storage tank 3 is located at the port of export 11B of runner 11, is provided with sealing valve 6 in the port of export 11B of runner 11
For chamber 12 is isolated with storage tank 3, to ensure the sealing of chamber 12 and storage tank 3.Storage tank 3
For vacuum storage tank, to ensure the air pressure constant of the compressed gas collected.
Control module connects with pressure transducer 4 and turbine 2 respectively, and is preset with target gas in control module
Pressure limit value and target air pressure higher limit, wherein target air pressure lower limit is less than target air pressure higher limit.
Under in working order, gas enters runner 11 from entrance point 11A and sequentially passes through three chambers 12, control
Molding block works to enter gas for controlling turbine 2 in chamber 12 according to the atmospheric pressure value of pressure transducer 4 detection
Row compression, and control compressed gas from port of export 11B inflow storage tank 3；
Chamber 12 atmospheric pressure value that control module detects according to the pressure transducer 4 of chamber 12 import department controls chamber
Turbine 2 in room 12 carries out rotating being compressed gas, and the air pressure in chamber 12 reaches check valve 5
Marginal value time, compressed gas opens check valve 5 and enters in next chamber 12, wherein check valve 5
Marginal value is less than target air pressure lower limit；After compression enters next chamber 12, previous chamber
The air pressure of 12 declines, and when air pressure is less than the marginal value of check valve 5, check valve 5 is closed；
Pressure transducer 4 in chamber 12 import department near port of export 11B detects chamber 12 atmospheric pressure value
When reaching target air pressure higher limit, control module controls to seal valve 6 and opens, and compressed air enters in storage tank 3；
In above process, the chamber detected at the pressure transducer 4 of chamber 12 import department near port of export 11B
When room 12 atmospheric pressure value is less than target air pressure lower limit, control module controls to seal valve 6 closedown and carries out pressure accumulation.
In a further embodiment, by presetting multiple air pressure threshold values and multiple performance number in control module,
Multiple air pressure threshold values are corresponding with multiple performance numbers, and multiple air pressure threshold values are incremented by and both less than target gas successively
Pressure limit value.In the course of the work, the atmospheric pressure value that pressure transducer 4 is detected by control module and air pressure threshold value
Compare, and according to comparative result choose correspondence performance number drive turbine 2 rotate.So, may be used
To be more accurately controlled the rotating speed of turbine 2 according to the atmospheric pressure value of chamber 12, thus reach optimum efficiency, keep away
Exempt from turbine 2 to flog a dead horse, and ensure that the compressed gas of final output reaches target air pressure.
In present embodiment, runner 11 is provided with three chambers 12, gas can be carried out three stage compression, tool
Body implement time, more chamber can be set, it is possible to only arranges two chambers, can as required and control mould
The control accuracy of block determines the quantity of chamber 12.
In a further embodiment, each turbine 2 connects one for the motor driving it to rotate, control
Device is connected with motor, by controlling motor work to drive turbine rotation to be compressed.
According to above-described embodiment, heat sink 7 and temperature sensor 8 can be additionally provided with inside port of export 11B,
Heat sink 7 is positioned at the side sealing valve 6 away from storage tank 3, and it is remote that temperature sensor 8 is positioned at heat sink 7
From the side of sealing valve 6, by temperature sensor 8, compressed gas is carried out thermometric, exceed in temperature default
During temperature threshold, by heat sink 7, the compressed gas through port of export 11B is lowered the temperature, it is to avoid pressure
Contracting gas enters storage tank 3 with the state of High Temperature High Pressure, thus avoids occurring surprisingly.
In the present invention, by multiple turbines, gas is carried out multi-stage compression, it is ensured that the air pressure of output gas
Reach requirement；By turbine, gas is compressed in eccentric fashion, the reciprocating of the piston that compares
Compression, decreases the space shared by compression motion, thus reduces compressor volume, simplifies compressor knot
Structure, has saved equipment cost.By turbine centrifugal compressed gas, advantageously ensure that the stable flat of air-flow pulse
Weighing apparatus, thus reduce the vibrations injury suffered by compressor, it is ensured that the service life of each parts.By using
The mode automatically controlled, can realize precision controlling to the turbine in each chamber, reach optimum efficiency, it is to avoid whirlpool
Wheel flogs a dead horse, and ensures that the compressed gas of final output reaches target air pressure.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention not office
Being limited to this, any those familiar with the art is in the technical scope that the invention discloses, according to this
The technical scheme of invention and inventive concept thereof in addition equivalent or change, all should contain the protection in the present invention
Within the scope of.
Claims (8)
1. a multistage centrifugal compressor, it is characterised in that include body (1), turbine (2), storage tank (3)
And control module；
It is provided with runner (11), from its entrance point (11A) to going out on runner (11) in body (1) inside
Mouth end (11B) is sequentially with multiple chamber (12), installs a turbine (2) in each chamber (12),
Storage tank (3) is located at the port of export (11B) of runner (11)；
Import department at each chamber (12) is provided with a pressure transducer (4) for detection chambers (12)
Air pressure, the runner (11) between two chambers (12) of arbitrary neighborhood is provided with check valve (5),
Sealing valve (6) it is provided with in the port of export (11B) of runner (11)；
Control module is connected with pressure transducer (4) and turbine (2), is preset with target in the control module
Air pressure lower limit and target air pressure higher limit, wherein target air pressure lower limit is less than target air pressure higher limit；
Under in working order, gas enters runner (11) from entrance point (11A) and sequentially passes through each chamber
(12), control module controls whirlpool in chamber (12) for the atmospheric pressure value detected according to pressure transducer (4)
Gas is compressed by wheel (2) work, and controls compressed gas from the port of export (11B) inflow storage tank (3)；
Chamber (12) air pressure that control module detects according to the pressure transducer (4) of chamber (12) import department
The turbine (2) that value controls in chamber (12) carries out rotating being compressed gas, in chamber (12)
When air pressure reaches the marginal value of check valve (5), compressed gas is opened check valve (5) and enters next chamber
In room (12), wherein the marginal value of check valve (5) is less than target air pressure lower limit；
Pressure transducer (4) in chamber (12) import department near the port of export (11B) detects chamber
(12), when atmospheric pressure value reaches target air pressure higher limit, control module controls to seal valve (6) and opens, compression sky
Gas enters in storage tank (3)；Pressure transducer in chamber (12) import department near the port of export (11B)
(4), when chamber (12) atmospheric pressure value detected is less than target air pressure lower limit, control module controls to seal valve
(6) closedown carries out pressure accumulation.
2. multistage centrifugal compressor as claimed in claim 1, it is characterised in that preset in control module
There are multiple air pressure threshold value and a multiple performance number, multiple air pressure threshold values and multiple performance number one_to_one corresponding, wherein,
Multiple air pressure threshold values are incremented by and respectively less than target air pressure lower limit successively；Control module is by pressure transducer (4)
The atmospheric pressure value of detection compares with air pressure threshold value, and chooses the performance number driving whirlpool of correspondence according to comparative result
Wheel (2) rotates.
3. multistage centrifugal compressor as claimed in claim 1 or 2, it is characterised in that each turbine (2)
Connect one for the motor driving it to rotate.
4. multistage centrifugal compressor as claimed in claim 1, it is characterised in that storage tank (3) is vacuum
Storage tank.
5. multistage centrifugal compressor as claimed in claim 1, it is characterised in that in going out of runner (11)
Being provided with heat sink (7) in mouth end (11B), heat sink (7) is positioned at sealing valve (6) away from storage tank (3)
Side.
6. multistage centrifugal compressor as claimed in claim 5, it is characterised in that in going out of runner (11)
Be provided with temperature sensor (8) in mouthful end (11B), temperature sensor (8) be positioned at heat sink (7) away from
Seal the side of valve (6).
7. multistage centrifugal compressor as claimed in claim 6, it is characterised in that control module passes with temperature
Sensor (8) and heat sink (7) connect, and the temperature value that control module detects according to temperature sensor controls
Heat sink (7) work is lowered the temperature.
8. multistage centrifugal compressor as claimed in claim 1, it is characterised in that the quantity of chamber (12)
It it is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510083044.XA CN104728129B (en) | 2015-02-14 | 2015-02-14 | A kind of multistage centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510083044.XA CN104728129B (en) | 2015-02-14 | 2015-02-14 | A kind of multistage centrifugal compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104728129A CN104728129A (en) | 2015-06-24 |
| CN104728129B true CN104728129B (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510083044.XA Expired - Fee Related CN104728129B (en) | 2015-02-14 | 2015-02-14 | A kind of multistage centrifugal compressor |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242607B (en) * | 2019-06-13 | 2021-07-02 | 山西方洁路路通净化技术有限公司 | Multistage blade compressor structure without stator blades and capable of rotating independently and accelerating in sequence |
| CN114352551A (en) * | 2022-02-17 | 2022-04-15 | 广东美的白色家电技术创新中心有限公司 | Multistage compressor and heat pump system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102758689B (en) * | 2012-07-29 | 2015-03-04 | 中国科学院工程热物理研究所 | Ultra-supercritical air energy storage/release system |
| WO2014031629A2 (en) * | 2012-08-22 | 2014-02-27 | Hi Eff Utility Rescue LLC | High efficiency power generation system and system upgrades |
| CN104696196B (en) * | 2015-02-27 | 2017-01-11 | 安徽寅时压缩机制造有限公司 | Oil-free constant-temperature compressor |
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Granted publication date: 20161005 Termination date: 20200214 |