CN104747463A - Circulation centrifugal gas compressor - Google Patents
Circulation centrifugal gas compressor Download PDFInfo
- Publication number
- CN104747463A CN104747463A CN201510087527.7A CN201510087527A CN104747463A CN 104747463 A CN104747463 A CN 104747463A CN 201510087527 A CN201510087527 A CN 201510087527A CN 104747463 A CN104747463 A CN 104747463A
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- Prior art keywords
- controller
- way valve
- chamber
- communicated
- gas compressor
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention provides a circulation centrifugal gas compressor. A centrifugal compression mechanism comprises a first body and a turbine mechanism. A chamber is arranged in the first body. The turbine mechanism is arranged in the chamber. A fluid conveying mechanism comprises a second body and a three-way valve. An input passageway, a backflow passageway and an output passageway are arranged in the second body. The three-way valve is arranged in the second body. An input port of the three-way valve is communicated with an outlet of the chamber through the input passageway. A first output port of the three-way valve is communicated with an inlet of the chamber through the backflow passageway. A second output port of the three-way valve is communicated with the output passageway. A control device comprises a controller and a pressure sensor. The controller is connected with the pressure sensor and the three-way valve. The controller controls the input port of the three-way valve to be communicated with the first output port or the second output port according to the gas pressure value detected by the pressure sensor. In the circulation centrifugal gas compressor, gas is compressed through the turbine mechanism in a centrifugal mode, force is exerted so that stability and balance of gas flow pulses can be ensured, and therefore vibration damage to the compressor is reduced, and the service life of all parts is ensured.
Description
Technical field
The present invention relates to Compressor Technology field, particularly relate to a kind of circular centrifugal gas compressor.
Background technique
Compressor be a kind of with internal-combustion engine or motor for power, atmosphere gas is compressed into pressurized gas and there are a kind of power plant of air flow energy.In natural gas transmission and distribution system, compressor is used for compressed natural gas, improves pressure or the conveying capacity of rock gas, and also usually the impurity in pipeline is replaced out, in order to avoid blocking pipeline with compressor transporting compressed gas body when cleaning pipeline.Therefore usually compressor is likened into the heart of Cemented filling.What current use was maximum is exactly reciprocal compressor, reciprocal compressor utilizes piston movement pressurized gas, its shortcoming is complex structure, bulky, maintenance load is large, due to power disequilibrium and air-flow impulse action, require equipment Foundations and Pipe installing anti-vibration measure, air inlet-exhaust valve is also had to be easy to wearing and tearing, the shortcomings such as part replacement is frequent in addition.
Summary of the invention
Based on the technical problem that background technique exists, the object of the invention is to propose a kind of circular centrifugal gas compressor.
A kind of circular centrifugal gas compressor that the present invention proposes, comprising: centrifugal compressed mechanism, Shu Liu mechanism and control gear;
Centrifugal compressed mechanism comprises the first main body and turbine mechanism; Be provided with chamber in first main body, chamber is provided with import and outlet, turbine mechanism is arranged in chamber;
Shu Liu mechanism comprises the second main body and three-way valve; Input channel, return flow line and output channel is provided with in second main body, three-way valve is arranged in the second main body, the input port of three-way valve is communicated with the outlet of chamber by input channel, first output port of three-way valve is communicated with the import of chamber by return flow line, the second output port of three-way valve is communicated with output channel;
Control gear comprises controller and pressure transducer, pressure transducer is arranged in input channel for detecting the air pressure of input channel, controller is connected with pressure transducer and three-way valve respectively, and the input port that the atmospheric pressure value that controller is used for detecting according to pressure transducer controls three-way valve is communicated with the first output port or the second output port.
Preferably, preset the first pressure threshold and the second pressure threshold in controller, wherein, the first pressure threshold is less than the second pressure threshold; When the atmospheric pressure value that pressure transducer detects is less than the first pressure threshold, the input port that controller controls three-way valve is communicated with the first output port, when the atmospheric pressure value that pressure transducer detects reaches the second pressure threshold, the input port that controller controls three-way valve is communicated with the second output port.
Preferably, seal valve is provided with in output channel.
Preferably, controller is connected with seal valve; When the input port of three-way valve is communicated with the second output port, controller controls seal valve and opens, otherwise controller controls seal valve and closes.
Preferably, control gear also comprises temperature transducer, and temperature transducer is arranged on the temperature for detection chambers in chamber.
Preferably, in chamber, cooling device is provided with.
Preferably, controller is connected with temperature transducer and cooling device respectively, and the temperature that controller is used for detecting according to temperature transducer controls the working state of cooling device.
Preferably, the first temperature threshold and the second temperature threshold is preset with in controller, wherein, the first temperature threshold is less than the second temperature threshold, and temperature transducer detected temperatures compares with the first temperature threshold and the second temperature threshold and controls the working state of cooling device according to comparative result by controller.
Preferably, the first main body and the second main body are structure as a whole.
In the present invention, by turbine mechanism, gas is compressed in centrifugal mode, piston compression of comparing, decrease the space shared by compression movement, thus reduce compressor volume; By the setting of three-way valve and return flow line, the pressurized gas that chamber can be made to export comes back in chamber and carries out second compression again, thus a turbine mechanism can be utilized to realize repeatedly repeated compression, namely ensure that the air pressure of the pressurized gas finally exported from output channel, in turn simplify compressor arrangement, save equipment cost; By turbine mechanism centrifugal compressed gas, be conducive to the stable equilibrium ensureing air-flow pulse, thus reduce the vibrations injury suffered by compressor, ensure the working life of each component.
Accompanying drawing explanation
Fig. 1 is a kind of circular centrifugal gas compressor structural representation that the present invention proposes.
Embodiment
With reference to Fig. 1, a kind of circular centrifugal gas compressor that the present invention proposes, comprises centrifugal compressed mechanism 1, Shu Liu mechanism 2 and control gear.
Centrifugal compressed mechanism 1 comprises the first main body 11 and turbine mechanism 12.Be provided with chamber 110 in first main body 11, chamber is provided with import and outlet, turbine mechanism 12 is arranged in chamber 110.When gas enters chamber 110 from chamber 110 import 11A, compressed by centrifugal force under the rotation of turbine mechanism 12.
Shu Liu mechanism 2 comprises the second main body 21 and three-way valve 22.Input channel 211, return flow line 212 and output channel 213 is provided with in second main body 21.Three-way valve 22 is arranged in the second main body 21, the input port of three-way valve 22 is communicated with the outlet 11B of chamber 110 by input channel 211, first output port of three-way valve 22 is communicated with the import 11A of chamber 110 by return flow line 212, the second output port of three-way valve 22 is communicated with output channel 213.
When the input port of three-way valve 22 is communicated with the first output port, chamber 110 and return flow line 212 form loop, and chamber 110 exports pressurized gas that 11B exports and can get back to chamber 110 import 11A from return flow line 212 and carry out second compression again; When the input port of three-way valve 22 is communicated with the second output port, the pressurized gas that chamber 110 exports 11B output can export from output channel 213, completes gas compression work.
Wherein, the first main body 11 and the second main body 21 can be structure as a whole.
Control gear comprises controller 3 and pressure transducer 4, and pressure transducer 4 is arranged on for detecting the air pressure of input channel 211 in input channel 211, and controller 3 is connected with pressure transducer 4, three-way valve 22 respectively.
In controller 3, be preset with the first pressure threshold and the second pressure threshold, wherein, the first pressure threshold is less than the second pressure threshold.The atmospheric pressure value that pressure transducer 4 detects by controller 3 compares with the first pressure threshold, when atmospheric pressure value is less than the first pressure threshold, the input port that controller 3 controls three-way valve 22 is communicated with the first output port, when atmospheric pressure value is more than or equal to the second pressure threshold, the input port that controller 3 controls three-way valve 22 is communicated with the second output port.
In order to prevent output channel 213 from leaking, can be provided with seal valve 5 in output channel 213, controller 3 is connected with seal valve 5; When the input port of three-way valve 22 is communicated with the second output port, controller 3 controls seal valve 5 and opens, otherwise controller 3 controls seal valve 5 and closes.
In the above-described embodiments, control gear also comprises temperature transducer 7, temperature transducer 7 is located in chamber 110 for the temperature in detected temperatures sensor 7, cooling device 6 is provided with for cooling in chamber 110, both the pressurized gas in chamber 110 can have been avoided overheated, the overheated work of turbine mechanism 12 can have been avoided again.
Controller 3 is connected the working state that the temperature being used for detecting according to temperature transducer 7 controls cooling device 6 with temperature transducer 7 and cooling device 6.Preset first temperature threshold value and the second temperature threshold in controller 3, wherein the first temperature threshold is less than the second temperature threshold, when the temperature detected is greater than the second temperature threshold, controller 3 controls cooling device 6 unlatching and lowers the temperature, when the temperature detected is less than the first temperature threshold, controller 3 controls cooling device 6 and closes.
In the present invention, by turbine mechanism, gas is compressed in centrifugal mode, piston compression of comparing, decrease the space shared by compression movement, thus reduce compressor volume; By the setting of three-way valve and return flow line, the pressurized gas that chamber can be made to export comes back in chamber and carries out second compression again, thus a turbine mechanism can be utilized to realize repeatedly repeated compression, namely ensure that the air pressure of the pressurized gas finally exported from output channel, in turn simplify compressor arrangement, save equipment cost; By turbine mechanism centrifugal compressed gas, be conducive to the stable equilibrium ensureing air-flow pulse, thus reduce the vibrations injury suffered by compressor, ensure the working life of each component.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technological scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (9)
1. a circular centrifugal gas compressor, is characterized in that, comprising: centrifugal compressed mechanism (1), Shu Liu mechanism (2) and control gear;
Centrifugal compressed mechanism (1) comprises the first main body (11) and turbine mechanism (12); Chamber (110) is provided with in first main body (11), chamber (110) is provided with import (11A) and outlet (11B), and turbine mechanism (12) is arranged in chamber (110);
Shu Liu mechanism (2) comprises the second main body (21) and three-way valve (22); Input channel (211), return flow line (212) and output channel (213) is provided with in second main body (21), three-way valve (22) is arranged in the second main body (21), the input port of three-way valve (22) is communicated with the outlet (11B) of chamber (110) by input channel (211), first output port of three-way valve (22) is communicated with the import (11A) of chamber (110) by return flow line (212), the second output port of three-way valve (22) is communicated with output channel (213);
Control gear comprises controller (3) and pressure transducer (4), pressure transducer (4) is arranged in input channel (211) for detecting the air pressure of input channel (211), controller (3) is connected with pressure transducer (4) and three-way valve (22) respectively, and the input port that controller (3) controls three-way valve (22) for the atmospheric pressure value detected according to pressure transducer (4) is communicated with the first output port or the second output port.
2. circular centrifugal gas compressor as claimed in claim 1, is characterized in that, preset the first pressure threshold and the second pressure threshold in controller (3), wherein, the first pressure threshold is less than the second pressure threshold; When the atmospheric pressure value that pressure transducer (4) detects is less than the first pressure threshold, the input port that controller (3) controls three-way valve (22) is communicated with the first output port, when the atmospheric pressure value that pressure transducer (4) detects reaches the second pressure threshold, the input port that controller (3) controls three-way valve (22) is communicated with the second output port.
3. circular centrifugal gas compressor as claimed in claim 1 or 2, is characterized in that, be provided with seal valve (5) in output channel (213).
4. circular centrifugal gas compressor as claimed in claim 3, it is characterized in that, controller (3) is connected with seal valve (5); When the input port of three-way valve (22) is communicated with the second output port, controller (3) controls seal valve (5) and opens, otherwise controller (3) controls seal valve (5) and closes.
5. the circular centrifugal gas compressor according to any one of claim 1-4, it is characterized in that, control gear also comprises temperature transducer (7), and temperature transducer (7) is arranged on the temperature for detection chambers (110) in chamber (110).
6. circular centrifugal gas compressor as claimed in claim 5, is characterized in that, be provided with cooling device (6) in chamber (110).
7. circular centrifugal gas compressor as claimed in claim 6, it is characterized in that, controller (3) is connected with temperature transducer (7) and cooling device (6) respectively, and controller (3) controls the working state of cooling device (6) for the temperature detected according to temperature transducer (7).
8. circular centrifugal gas compressor as claimed in claim 7, it is characterized in that, the first temperature threshold and the second temperature threshold is preset with in controller (3), wherein, first temperature threshold is less than the second temperature threshold, and temperature transducer (7) detected temperatures compares with the first temperature threshold and the second temperature threshold and controls the working state of cooling device (6) according to comparative result by controller (3).
9. the circular centrifugal gas compressor as described in any one of claim 1 to 8, is characterized in that, the first main body (11) and the second main body (21) are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510087527.7A CN104747463B (en) | 2015-02-25 | 2015-02-25 | Circulation centrifugal gas compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510087527.7A CN104747463B (en) | 2015-02-25 | 2015-02-25 | Circulation centrifugal gas compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104747463A true CN104747463A (en) | 2015-07-01 |
| CN104747463B CN104747463B (en) | 2017-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510087527.7A Expired - Fee Related CN104747463B (en) | 2015-02-25 | 2015-02-25 | Circulation centrifugal gas compressor |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3276674A (en) * | 1963-03-06 | 1966-10-04 | Shell Oil Co | Method for preventing surging of compressors |
| JPH10131894A (en) * | 1996-10-28 | 1998-05-19 | Kobe Steel Ltd | Compressor |
| US20030113215A1 (en) * | 2001-12-13 | 2003-06-19 | Lg Electronics Inc. | Reverse rotation preventing structure of centrifugal compressor |
| CN1576603A (en) * | 2003-07-26 | 2005-02-09 | Lg电子株式会社 | Variable capacity scroll compressor |
| CN203420916U (en) * | 2013-06-29 | 2014-02-05 | 济钢集团有限公司 | Pressure regulating system with high-pressure gas compressor pressure regulating device |
| CN103953560A (en) * | 2014-04-18 | 2014-07-30 | 合肥通用机械研究院 | Compressor expands steady system and is applied to compressor mechanism of this system |
-
2015
- 2015-02-25 CN CN201510087527.7A patent/CN104747463B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3276674A (en) * | 1963-03-06 | 1966-10-04 | Shell Oil Co | Method for preventing surging of compressors |
| JPH10131894A (en) * | 1996-10-28 | 1998-05-19 | Kobe Steel Ltd | Compressor |
| US20030113215A1 (en) * | 2001-12-13 | 2003-06-19 | Lg Electronics Inc. | Reverse rotation preventing structure of centrifugal compressor |
| CN1576603A (en) * | 2003-07-26 | 2005-02-09 | Lg电子株式会社 | Variable capacity scroll compressor |
| CN203420916U (en) * | 2013-06-29 | 2014-02-05 | 济钢集团有限公司 | Pressure regulating system with high-pressure gas compressor pressure regulating device |
| CN103953560A (en) * | 2014-04-18 | 2014-07-30 | 合肥通用机械研究院 | Compressor expands steady system and is applied to compressor mechanism of this system |
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| Publication number | Publication date |
|---|---|
| CN104747463B (en) | 2017-05-10 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Circulation centrifugal gas compressor Effective date of registration: 20181116 Granted publication date: 20170510 Pledgee: Wang Xin Pledgor: Anhui Compressor Manufacturing in period of the day from 3 am to 5 am Co., Ltd Registration number: 2018340000644 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20200225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |