CN111396329A - High-efficient centrifugal compressor arrangement suitable for inert mixed working medium - Google Patents
High-efficient centrifugal compressor arrangement suitable for inert mixed working medium Download PDFInfo
- Publication number
- CN111396329A CN111396329A CN202010361096.XA CN202010361096A CN111396329A CN 111396329 A CN111396329 A CN 111396329A CN 202010361096 A CN202010361096 A CN 202010361096A CN 111396329 A CN111396329 A CN 111396329A
- Authority
- CN
- China
- Prior art keywords
- centrifugal impeller
- centrifugal
- diffuser
- compressor
- mixed working
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/266—Rotors specially for elastic fluids mounting compressor rotors on shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/288—Part of the wheel having an ejecting effect, e.g. being bladeless diffuser
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
Abstract
The invention belongs to the technical field of centrifugal compressors, and particularly relates to a high-efficiency centrifugal compression device suitable for inert mixed working media, which comprises: a centrifugal impeller, a diffuser and a compressor volute; the centrifugal impeller and the compressor volute are made of titanium alloy materials, the centrifugal impeller is of an integral structure, namely, a blade and a wheel disc are integrated, and the centrifugal impeller is formed by adopting a machining and numerical control milling mode; the compressor volute is formed by adopting a 3D printing technology. The diffuser is made of stainless steel material; the centrifugal impeller is provided with a central hole for installing the mandrel, is connected with the mandrel through a mandrel nut and can rotate at a high speed under the driving of the mandrel; the excircle of the central shaft of the centrifugal impeller is in interference fit with the shaft coupler, and can drive the shaft coupler and a motor connected with the shaft coupler to rotate to generate power; the compression device is simple in structure, excellent in performance and low in cost, and meets application requirements in a closed cycle power generation system.
Description
Technical Field
The invention belongs to the technical field of centrifugal compressors, and particularly relates to a high-efficiency centrifugal compression device suitable for inert mixed working media.
Background
The centrifugal compressor has the characteristics of high single-stage supercharging ratio, simple structure, less parts, small axial size, wide stable working range and the like, and is widely applied.
Because of the closed characteristic of the closed cycle power generation system, the internal working medium not only requires stable property, but also requires good heat exchange capacity, small flow loss and the like, and is easy to compress and expand to perform heat-power conversion, helium is generally used as a compression working medium in the closed system, but the helium is difficult to compress, and therefore an inert mixed working medium is used. The special physical properties of the inert mixed working medium make the flow easier to separate. Conventional compression devices, such as axial flow compressors, have a low single stage pressure ratio and require more stages to achieve the same pressure ratio. The increase of the number of stages causes the number of parts to be increased, the axial size to be enlarged, the structure to be complicated and the stable working range to be reduced. And if the compressor cannot be designed according to the special physical parameters of the inert mixed working medium, the efficiency of the compression system is lower.
Disclosure of Invention
Technical problem to be solved
The technical problem to be solved by the invention is as follows: the defects of the axial flow compressor in engineering application are overcome.
(II) technical scheme
In order to solve the technical problem, the invention provides a high-efficiency centrifugal compression device suitable for inert mixed working media, which comprises: a centrifugal impeller 3, a diffuser 5 and a compressor volute 4;
the center of the centrifugal impeller 3 is provided with a through hole, the mandrel 7 penetrates out of the through hole, the centrifugal impeller 3 is connected with the mandrel 7 through the mandrel nut 2, and the centrifugal impeller 3 can rotate at a high speed under the driving of the mandrel 7;
the main shaft is inserted from the right end of the centrifugal impeller 3 and is in interference fit with the excircle at the right end of the centrifugal impeller 3, so that a rigid rotor is formed;
the outer circle of the left end of the centrifugal impeller 3 is inserted into the cavity of the annular structure of the right end of the coupler 1, and the centrifugal impeller 3 is in interference fit with the coupler 1 and can drive the coupler 1 and a motor connected with the coupler 1 to rotate to generate power;
the outer circle of the left end of the diffuser 5 is inserted into the inner hole of the right end of the compressor volute 4 to realize positioning; the outer circle of the right end of the diffuser 5 is inserted into the inner hole of the left side of the intermediary casing 8, and the compressor volute 4 and the diffuser 5 are connected with the intermediary casing 8 through the screws 6 arranged on the edges;
a certain gap is reserved between the inner wall surface of the compressor volute 4 and the blade profile of the centrifugal impeller 3.
The centrifugal impeller 3 comprises 12 blades which are uniformly distributed in the circumferential direction, and the profile of each blade is a free-form surface.
Wherein the clearance between the inner wall surface of the compressor volute 4 and the blade profile of the centrifugal impeller 3 is 0.35-0.45 mm.
The centrifugal impeller 3, the diffuser 5 and the compressor volute 4 jointly form an air flow channel.
Wherein the diffuser 5 is a vaneless diffuser.
The efficient centrifugal compression device is provided with a flow channel molded surface of the compressor volute 4 and a flow channel molded surface and a blade molded surface of the centrifugal impeller 3 according to the characteristics of an inert mixed working medium, airflow axially enters from the left side of the centrifugal impeller 3, the airflow is rotated and pressurized through the centrifugal impeller 3 at the rotating speed of 30000 r/min-70000 r/min, and the air flowing out of the centrifugal impeller 3 enters the diffuser 5 and the compressor volute 4 for further speed reduction and pressurization.
Wherein, set up airflow channel and centrifugal impeller blade profile according to inert mixed working medium rerum natura:
definition D3Is the diameter of the outlet of the diffuser 5, D2Is the diameter of the outlet of the centrifugal impeller 3, D1tIs the diameter of the rim of the centrifugal impeller 3, D1hIs the diameter of the inlet hub of the centrifugal impeller 3, b2Is a centrifugalThe outlet width of the impeller 3, L is the axial length of the centrifugal impeller 3;
wherein the content of the first and second substances,
l, selecting 30mm, and generating the flow passage profile curve by spline points.
Wherein the content of the first and second substances,
(III) advantageous effects
Compared with the prior art, the centrifugal compressor designed by adopting the special physical property change rule and the flow rule of the inert mixed working medium is simple in structure, excellent in performance and low in cost, and meets the application requirement in a closed cycle power generation system.
Drawings
Fig. 1 is a schematic view of the overall structure of a centrifugal compressor provided by the invention.
In the figure: 1. a coupling; 2. a spindle nut; 3. a centrifugal impeller; 4. a compressor volute; 5. a diffuser; 6. a screw; 7. a mandrel; 8. an intermediary case; 9. a pressure disc.
Fig. 2 is a schematic view of the airflow channel provided by the present invention.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
In order to solve the problems of the prior art, the present invention provides a high-efficiency centrifugal compression device suitable for inert mixed working media, as shown in fig. 1, the high-efficiency centrifugal compression device comprises: a centrifugal impeller 3, a diffuser 5 and a compressor volute 4;
the center of the centrifugal impeller 3 is provided with a through hole, the mandrel 7 penetrates out of the through hole, the centrifugal impeller 3 is connected with the mandrel 7 through the mandrel nut 2, and the centrifugal impeller 3 can rotate at a high speed under the driving of the mandrel 7;
the main shaft is inserted from the right end of the centrifugal impeller 3 and is in interference fit with the excircle at the right end of the centrifugal impeller 3, so that a rigid rotor is formed;
the outer circle of the left end of the centrifugal impeller 3 is inserted into the cavity of the annular structure of the right end of the coupler 1, and the centrifugal impeller 3 is in interference fit with the coupler 1 and can drive the coupler 1 and a motor connected with the coupler 1 to rotate to generate power;
the outer circle of the left end of the diffuser 5 is inserted into the inner hole of the right end of the compressor volute 4 to realize positioning; the outer circle of the right end of the diffuser 5 is inserted into the inner hole of the left side of the intermediary casing 8, and the compressor volute 4 and the diffuser 5 are connected with the intermediary casing 8 through the screws 6 arranged on the edges;
a certain gap is reserved between the inner wall surface of the compressor volute 4 and the blade profile of the centrifugal impeller 3.
The centrifugal impeller 3 comprises 12 blades which are uniformly distributed in the circumferential direction, and the profile of each blade is a free-form surface.
Wherein the clearance between the inner wall surface of the compressor volute 4 and the blade profile of the centrifugal impeller 3 is 0.35-0.45 mm.
The centrifugal impeller 3, the diffuser 5 and the compressor volute 4 jointly form an air flow channel, as shown in fig. 2.
Wherein the diffuser 5 is a vaneless diffuser.
The efficient centrifugal compression device is provided with a flow channel molded surface of the compressor volute 4 and a flow channel molded surface and a blade molded surface of the centrifugal impeller 3 according to the characteristics of an inert mixed working medium, airflow axially enters from the left side of the centrifugal impeller 3, the airflow is rotated and pressurized through the centrifugal impeller 3 at the rotating speed of 30000 r/min-70000 r/min, and the air flowing out of the centrifugal impeller 3 enters the diffuser 5 and the compressor volute 4 for further speed reduction and pressurization.
Wherein, set up airflow channel and centrifugal impeller blade profile according to inert mixed working medium rerum natura:
definition D3Is the diameter of the outlet of the diffuser 5, D2Is the diameter of the outlet of the centrifugal impeller 3, D1tIs the diameter of the rim of the centrifugal impeller 3, D1hIs the diameter of the inlet hub of the centrifugal impeller 3, b2Is the outlet width of the centrifugal impeller 3, and L is the axial length of the centrifugal impeller 3;
wherein the content of the first and second substances,
l is 30mm, the flow channel profile curve is generated by spline points, the design realizes the compressor flow 4.1Kg/s, the whole stage pressure ratio is 2.6, and the adiabatic efficiency is more than 81%.
The centrifugal impeller 3 and the compressor volute 4 are made of titanium alloy materials, and the diffuser 5 is made of stainless steel materials.
The centrifugal impeller 3 is of an integral structure, namely, the blades and the wheel disc are integrated, and the centrifugal impeller is formed by adopting a machining mode and a numerical control milling mode.
The compressor volute 4 is formed by adopting a 3D printing technology.
Example 1
The embodiment provides a centrifugal compressor, wherein a compression working medium is an inert mixed working medium, the rotating speed of the compressor is 30000 r/min-70000 r/min, the flow rate is 4.1Kg/s, the integral stage pressure ratio is 2.6, and the efficiency is more than 81%; the centrifugal compressor is composed of parts such as a centrifugal impeller, a diffuser, a compressor volute and the like. The centrifugal impeller and the compressor volute are made of titanium alloy materials, the centrifugal impeller is of an integral structure, namely, a blade and a wheel disc are integrated, and the centrifugal impeller is formed by adopting a machining and numerical control milling mode; the compressor volute is formed by adopting a 3D printing technology. The diffuser is made of stainless steel material; the centrifugal impeller is provided with a central hole for installing the mandrel, is connected with the mandrel through a mandrel nut and can rotate at a high speed under the driving of the mandrel; the excircle of the central shaft of the centrifugal impeller is in interference fit with the shaft coupler, and can drive the shaft coupler and a motor connected with the shaft coupler to rotate to generate power; the centrifugal impeller adopts a form that 12 blades are uniformly distributed in the circumferential direction, and the molded surfaces of the blades are all ruled surfaces. A certain gap is formed between the matching molded surface of the compressor volute and the centrifugal impeller and the blade top molded surface of the centrifugal impeller; the compressor volute bolt is connected with the diffuser. The diffuser is a vaneless diffuser.
Wherein the rotating speed of the air compressor is 30000 r/min-70000 r/min, the compression working medium is an inert mixed working medium, the flow is 4.1Kg/s, the whole stage pressure ratio is 2.6, and the efficiency is more than 81%.
Wherein, the blade profile of centrifugal impeller is free curved surface, 12 blades circumference equipartition.
Wherein, the excircle of the central shaft of the centrifugal impeller is in interference fit with the shaft coupler, and can drive the shaft coupler and a motor connected with the shaft coupler to rotate for power generation.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A high efficiency centrifugal compressor unit adapted for use with an inert working mixture, said high efficiency centrifugal compressor unit comprising: the centrifugal impeller (3), the diffuser (5) and the compressor volute (4);
the center of the centrifugal impeller (3) is provided with a through hole, the mandrel (7) penetrates out of the through hole, the centrifugal impeller (3) is connected with the mandrel (7) through the mandrel nut (2), and the centrifugal impeller (3) can be driven by the mandrel (7) to rotate at a high speed;
the main shaft is inserted from the right end of the centrifugal impeller (3) and is in interference fit with the excircle at the right end of the centrifugal impeller (3), so that a rigid rotor is formed;
the outer circle of the left end of the centrifugal impeller (3) is inserted into a cavity of an annular structure at the right end of the coupler (1), and the centrifugal impeller (3) and the coupler (1) are in interference fit, so that the coupler (1) and a motor connected with the coupler (1) can be driven to rotate to generate power;
the excircle at the left end of the diffuser (5) is inserted into the inner hole at the right end of the compressor volute (4) to realize positioning; the outer circle of the right end of the diffuser (5) is inserted into the inner hole of the left side of the intermediary casing (8), and the compressor volute (4) and the diffuser (5) are connected with the intermediary casing (8) through screws (6) arranged on the edges;
a certain gap is formed between the inner wall surface of the compressor volute (4) and the blade top profile of the centrifugal impeller (3).
2. The high-efficiency centrifugal compressor device suitable for inert mixed working media according to claim 1, wherein the centrifugal impeller (3) comprises 12 blades which are uniformly distributed in the circumferential direction, and the profile of each blade is a free curved surface.
3. The efficient centrifugal compressor device for inert mixed working media according to claim 1, wherein the clearance between the inner wall surface of the compressor volute (4) and the blade profile of the centrifugal impeller (3) is in the range of 0.35-0.45 mm.
4. The efficient centrifugal compressor for inert mixed working media according to claim 1, wherein the centrifugal impeller (3), the diffuser (5) and the compressor volute (4) together form an air flow channel.
5. A high efficiency centrifugal compressor device adapted to inert mixed working fluids according to claim 1 wherein said diffuser (5) is a vaneless diffuser.
6. The efficient centrifugal compressor device suitable for inert mixed working media according to claim 1, wherein the efficient centrifugal compressor device is provided with a flow channel profile of the compressor volute (4) and a flow channel profile and a blade profile of the centrifugal impeller (3) according to the characteristics of the inert mixed working media, airflow is axially fed from the left side of the centrifugal impeller (3), the airflow is rotated and pressurized by the centrifugal impeller (3), the rotating speed is 30000 r/min-70000 r/min, and the gas flowing out of the centrifugal impeller (3) enters the diffuser (5) and the compressor volute (4) for further speed reduction and pressurization.
7. The efficient centrifugal compressor for inert mixed working media according to claim 1, wherein the airflow channel and the centrifugal impeller blade profile are arranged according to the physical properties of the inert mixed working media:
definition D3Is the diameter of the outlet of the diffuser (5), D2Is the outlet diameter of the centrifugal impeller (3), D1tIs the diameter of the rim of the centrifugal impeller (3), D1hIs the diameter of the inlet hub of the centrifugal impeller (3), b2Is the outlet width of the centrifugal impeller (3), and L is the axial length of the centrifugal impeller (3);
wherein the content of the first and second substances,
l, selecting 30mm, and generating the flow passage profile curve by spline points.
8. The inert working mixture high-efficiency centrifugal compressor device as claimed in claim 7,
9. The high-efficiency centrifugal compressor device suitable for inert mixed working media of claim 8,
10. The high efficiency centrifugal compressor apparatus for inert working mixture according to claim 9,
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010361096.XA CN111396329A (en) | 2020-04-30 | 2020-04-30 | High-efficient centrifugal compressor arrangement suitable for inert mixed working medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010361096.XA CN111396329A (en) | 2020-04-30 | 2020-04-30 | High-efficient centrifugal compressor arrangement suitable for inert mixed working medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111396329A true CN111396329A (en) | 2020-07-10 |
Family
ID=71437483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010361096.XA Pending CN111396329A (en) | 2020-04-30 | 2020-04-30 | High-efficient centrifugal compressor arrangement suitable for inert mixed working medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111396329A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396328A (en) * | 2020-04-30 | 2020-07-10 | 北京动力机械研究所 | A high-efficient centrifugal compressor arrangement for inert mixed working medium |
| CN113565772A (en) * | 2021-07-02 | 2021-10-29 | 鑫磊压缩机股份有限公司 | Air compressor with small-clearance type ring matching structure and type ring machining method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2045433U (en) * | 1988-09-26 | 1989-10-04 | 上海机械学院 | Mixed-flow type fan |
| CN101532431A (en) * | 2008-03-12 | 2009-09-16 | R·扬·莫维尔 | Single stage dual-entry centrifugal compressor, radial turbine gas generator |
| CN101776093A (en) * | 2009-01-13 | 2010-07-14 | 沈阳鼓风机集团有限公司 | Recycle gas compressor module level and design method thereof |
| CN103277324A (en) * | 2013-05-27 | 2013-09-04 | 清华大学 | Centrifugal compressor with asymmetrical vaneless diffuser and automobile with same |
| CN103620225A (en) * | 2012-03-22 | 2014-03-05 | 松下电器产业株式会社 | Centrifugal compressor |
| CN103867458A (en) * | 2014-03-13 | 2014-06-18 | 河北维森通用设备科技开发有限公司 | Air-bearing-supported high-speed centrifugal air compressor |
| CN106762815A (en) * | 2016-11-28 | 2017-05-31 | 沈阳透平机械股份有限公司 | The pipeline compressor model of discharge coefficient 0.0424 level and method for designing impeller |
| CN107588015A (en) * | 2017-07-27 | 2018-01-16 | 中国科学院合肥物质科学研究院 | A kind of centrifugal cold compressor |
| US20190063442A1 (en) * | 2017-08-28 | 2019-02-28 | Mustafa Rez | Disc Turbo Charger |
| CN209959492U (en) * | 2019-06-11 | 2020-01-17 | 重庆德蚨乐机械制造有限公司 | Sealing structure of steam centrifugal compressor |
| CN111396328A (en) * | 2020-04-30 | 2020-07-10 | 北京动力机械研究所 | A high-efficient centrifugal compressor arrangement for inert mixed working medium |
-
2020
- 2020-04-30 CN CN202010361096.XA patent/CN111396329A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2045433U (en) * | 1988-09-26 | 1989-10-04 | 上海机械学院 | Mixed-flow type fan |
| CN101532431A (en) * | 2008-03-12 | 2009-09-16 | R·扬·莫维尔 | Single stage dual-entry centrifugal compressor, radial turbine gas generator |
| CN101776093A (en) * | 2009-01-13 | 2010-07-14 | 沈阳鼓风机集团有限公司 | Recycle gas compressor module level and design method thereof |
| CN103620225A (en) * | 2012-03-22 | 2014-03-05 | 松下电器产业株式会社 | Centrifugal compressor |
| CN103277324A (en) * | 2013-05-27 | 2013-09-04 | 清华大学 | Centrifugal compressor with asymmetrical vaneless diffuser and automobile with same |
| CN103867458A (en) * | 2014-03-13 | 2014-06-18 | 河北维森通用设备科技开发有限公司 | Air-bearing-supported high-speed centrifugal air compressor |
| CN106762815A (en) * | 2016-11-28 | 2017-05-31 | 沈阳透平机械股份有限公司 | The pipeline compressor model of discharge coefficient 0.0424 level and method for designing impeller |
| CN107588015A (en) * | 2017-07-27 | 2018-01-16 | 中国科学院合肥物质科学研究院 | A kind of centrifugal cold compressor |
| US20190063442A1 (en) * | 2017-08-28 | 2019-02-28 | Mustafa Rez | Disc Turbo Charger |
| CN209959492U (en) * | 2019-06-11 | 2020-01-17 | 重庆德蚨乐机械制造有限公司 | Sealing structure of steam centrifugal compressor |
| CN111396328A (en) * | 2020-04-30 | 2020-07-10 | 北京动力机械研究所 | A high-efficient centrifugal compressor arrangement for inert mixed working medium |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396328A (en) * | 2020-04-30 | 2020-07-10 | 北京动力机械研究所 | A high-efficient centrifugal compressor arrangement for inert mixed working medium |
| CN113565772A (en) * | 2021-07-02 | 2021-10-29 | 鑫磊压缩机股份有限公司 | Air compressor with small-clearance type ring matching structure and type ring machining method |
| CN113565772B (en) * | 2021-07-02 | 2022-04-01 | 鑫磊压缩机股份有限公司 | Air compressor with small-clearance type ring matching structure and type ring machining method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104067071B (en) | There is the speed change multistage centrifugal refrigeration compressor of diffuser | |
| CN111396329A (en) | High-efficient centrifugal compressor arrangement suitable for inert mixed working medium | |
| CN111396328A (en) | A high-efficient centrifugal compressor arrangement for inert mixed working medium | |
| CN113809885A (en) | Compressor and air conditioner and automobile with same | |
| CN211314659U (en) | Air cooling structure of air suspension centrifugal blower | |
| WO2022062933A1 (en) | Impeller and vortex-type air pump | |
| CN211370773U (en) | Air suspension compressor | |
| CN202926661U (en) | Centrifugal compressor | |
| CN112983850B (en) | Three-wheel centrifugal compressor | |
| CN214092397U (en) | Novel fan hub structure and fan that constitutes thereof | |
| CN215830748U (en) | High-performance single-side double-impeller air-floatation high-speed direct-drive turbo compressor | |
| CN215566829U (en) | Stepped spiral groove annular dynamic sealing structure of water outlet section of self-balancing multi-stage pump | |
| CN113676014A (en) | MCL compression system connected with magnetic suspension motor drive through magnetic coupling | |
| CN209800303U (en) | Symmetric local air intake supercritical working medium closed centrifugal compressor unit | |
| CN210637242U (en) | Multistage pump flow-induced vibration suppression device | |
| CN113294359A (en) | High-performance unilateral double-impeller magnetic suspension high-speed direct-drive turbo compressor and working mechanism | |
| CN206268143U (en) | A kind of centrifugal compressor | |
| CN113417869A (en) | Air suspension type low-pressure pure oil-free centrifugal compressor | |
| CN113107877A (en) | Air suspension compressor | |
| CN112922861B (en) | Compact low-rotation-speed centrifugal compressor | |
| CN215333480U (en) | Three-wheel centrifugal compressor | |
| CN215871122U (en) | MCL compression system connected with magnetic suspension motor drive through magnetic coupling | |
| CN218991902U (en) | Single-stage double-output air compressor and fuel cell system | |
| CN216056688U (en) | Compressor and air conditioner and automobile with same | |
| CN220956198U (en) | Pressure balancing mechanism of air suspension centrifugal blower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200710 |
|
| RJ01 | Rejection of invention patent application after publication |