CN103195481A - Screw expanding power generation device and organic Rankine cycle power generation system - Google Patents
Screw expanding power generation device and organic Rankine cycle power generation system Download PDFInfo
- Publication number
- CN103195481A CN103195481A CN2013100963245A CN201310096324A CN103195481A CN 103195481 A CN103195481 A CN 103195481A CN 2013100963245 A CN2013100963245 A CN 2013100963245A CN 201310096324 A CN201310096324 A CN 201310096324A CN 103195481 A CN103195481 A CN 103195481A
- Authority
- CN
- China
- Prior art keywords
- rotor
- decompressor
- generator
- pressure stage
- screw
- 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.)
- Granted
Links
- 238000010248 power generation Methods 0.000 title claims abstract description 12
- 230000005611 electricity Effects 0.000 claims description 61
- 239000007788 liquid Substances 0.000 claims description 11
- 239000006200 vaporizer Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a screw expanding power generation device and an organic Rankine cycle power generation system. The generator comprises a semi-sealed or totally-sealed shell, wherein the shell is internally provided with a screw expander and a generator, a rotor of the screw expander is fixedly connected with a rotor of the generator, and the power generation device can drive the generator to generate power by the rotation of the rotor of the screw expander; and the screw expander comprises at least two stages of expanders, namely a first stage expander and a second stage expander at least, a first air exhaust port of the first stage expander is directly communicated with a second air intake port of the second stage expander, the rotating speed of the first stage expander is the same with or different from that of the second stage expander, and the rotor of the generator is driven by a rotor output shaft of the first stage expander and a rotor output shaft of the second stage expander. According to the screw expanding power generation device, the generator is driven to generate power by the rotation of the rotor of the screw expander, so that working media can be prevented from leaking in a use process. Meanwhile, the screw expanding power generation device adopts two-stage or multi-stage expanders, and can be used for places with high pressure ratio.
Description
Technical field
The invention belongs to the power generating equipment technical field, relate to a kind of electricity generating device, relate in particular to a kind of screw expansion electricity generating device that can be used for the organic Rankine circulation; Simultaneously, the invention still further relates to a kind of organic Rankine cycle generating system that utilizes above-mentioned screw expansion electricity generating device.
Background technique
See also Fig. 1, Fig. 1 is that (Organic Ranking Cycle ORC) comprises decompressor 1, generator 2, vaporizer 3, liquid pump 4, condenser 5 in typical organic Rankine circulation.
The liquid working substance of low-temp low-pressure is boosted in liquid pump 4, and highly pressurised liquid enters vaporizer 3 and is heated to form saturated gas or overheated gas, enters the acting of expanding in the decompressor 1 then, drives generator 2 generatings.Gas after the acting enters condenser 5, becomes saturated or overcooled liquid, enters liquid pump 4 again, finishes the lower whorl circulation.
Existing decompressor for ORC has semi-enclosed centrifugal decompressor, opening type screw expander.The screw expander of opening type goes out axle head and mechanical seal will be set guarantee that working medium does not have and leak outside axle head and be connected with generator by coupling, but mechanical seal has the leakage possibility.
In addition, existing decompressor all is single-stage expansion, so decompressor can not be used for the situation of high pressure ratio.
In view of this, nowadays press for and design a mechanism the sealing height and be applicable to the electricity generating device of high pressure ratio.
Summary of the invention
Technical problem to be solved by this invention is: a kind of screw expansion electricity generating device is provided, can avoids the refrigerant leakage that occurs in the screw expander operation process, and utilize twin-stage to expand or multistage expansion, can be applied to the occasion of high pressure ratio.
For solving the problems of the technologies described above, the present invention adopts following technological scheme:
A kind of screw expansion electricity generating device, described electricity generating device comprise semiclosed or totally enclosed housing, and screw expander, generator are set in the housing; Perhaps, electricity generating device comprises the housing of unlatching, in the described housing expansion machine rotor is set, and generator is arranged at outside the housing; Rotor and the generator amature of described screw expander are fixedly connected, and described electricity generating device drives generator for electricity generation by the rotation of screw expansion machine rotor; Described screw expander comprises the double expansion machine, i.e. high pressure stage decompressor, low pressure stage decompressor, and the high-pressure exhaust of high pressure stage decompressor directly is communicated with the low pressure air suction mouth of low pressure stage decompressor; The rotating speed of described high pressure stage decompressor and low pressure stage decompressor is identical or different; The rotor of output shaft axle of the rotor of output shaft axle of described high pressure stage decompressor, low pressure stage decompressor drives generator amature jointly; The rotor of output shaft axle of the rotor of output shaft axle of described high pressure stage decompressor, low pressure stage decompressor is connected with generator amature by gear; Described high pressure stage decompressor, low pressure stage decompressor all comprise female rotor and male rotor, the external output power of described male rotor; Described housing comprises high pressure stage rotor chamber, low pressure stage rotor chamber, generator cavity, the gear cavity that interconnects; The rotor of high pressure stage decompressor, the rotor of low pressure stage decompressor are set respectively in high pressure stage rotor chamber, the low pressure stage rotor chamber, generator is set in the generator cavity, meshed gears is set in the gear cavity; The external intakeport of screw expander, relief opening are set on the described housing; Aperture in the middle of being provided with between the low pressure air suction mouth of the high-pressure exhaust of described high pressure stage decompressor and low pressure stage decompressor; Working medium from intakeport enter housing, the high pressure stage of flowing through rotor chamber, middle aperture, low pressure stage rotor chamber, flow out screw expander from relief opening; The part working medium generator of flowing through is in order to cooled electric generator.
A kind of screw expansion electricity generating device, described electricity generating device comprise semiclosed or totally enclosed housing, and screw expander, generator are set in the housing; Perhaps, electricity generating device comprises the housing of unlatching, in the described housing expansion machine rotor is set, and generator is arranged at outside the housing; Rotor and the generator amature of described screw expander are fixedly connected, and described electricity generating device drives generator for electricity generation by the rotation of screw expansion machine rotor; Described screw expander comprises double expansion machine at least, namely comprises first order decompressor, second level decompressor at least; First relief opening of first order decompressor directly is communicated with second intakeport of second level decompressor; The rotating speed of described first order decompressor and second level decompressor is identical or different; The rotor of output shaft axle of the rotor of output shaft axle of described first order decompressor, second level decompressor drives generator amature jointly.
As a preferred embodiment of the present invention, the rotor of output shaft axle of the rotor of output shaft axle of described first order decompressor, second level decompressor directly is connected with generator amature, perhaps is connected with generator amature by gear.
As a preferred embodiment of the present invention, described housing comprises rotor chamber at different levels, generator cavity, the gear cavity that interconnects; The rotor of decompressors at different levels is set in the described rotor chamber, generator is set in the generator cavity, meshed gears is set in the gear cavity.
As a preferred embodiment of the present invention, the external intakeport of screw expander, relief opening are set on the described housing; Described housing comprises the first rotor chamber, second rotor chamber; Aperture in the middle of being provided with between first relief opening of described first order decompressor and second intakeport of second level decompressor; Working medium enters housing from intakeport, and the first order of flowing through rotor chamber, middle aperture, second level rotor chamber flow out from relief opening; The part working medium generator of flowing through is in order to cooled electric generator.
As a preferred embodiment of the present invention, every grade of decompressor all comprises female rotor and male rotor, the external output power of described male rotor.
As a preferred embodiment of the present invention, the male rotor of every grade of decompressor, female rotor two ends arrange bearing respectively, comprise radial bearing, thrust-bearing away from the shaft extension end, comprise radial bearing near the shaft extension end.
As a preferred embodiment of the present invention, described male rotor comprises molded lines part, bearing part, attachment portion, the hermetic unit of integrated design, and described male rotor cooperates with female rotor, and gear cavity is stretched in described attachment portion.
As a preferred embodiment of the present invention, described rotor seal partly is provided with seal ring or labyrinth seal, and seals high pressure gas is avoided inter-stage gas leakage, can reduce rotor axial power when needing.
A kind of organic Rankine cycle generating system, described power generation system comprise screw expansion electricity generating device, vaporizer, liquid pump, the condenser that connects successively;
Described screw expansion electricity generating device comprises semiclosed or totally enclosed housing, and screw expander, generator are set in the housing; Perhaps, electricity generating device comprises the housing of unlatching, in the described housing expansion machine rotor is set, and generator is arranged at outside the housing;
Rotor and the generator amature of described screw expander are fixedly connected, and described electricity generating device drives generator for electricity generation by the rotation of screw expansion machine rotor;
Described screw expander comprises double expansion machine at least, namely comprises first order decompressor, second level decompressor at least; First relief opening of first order decompressor directly is communicated with second intakeport of second level decompressor; The rotating speed of described first order decompressor and second level decompressor is identical or different;
The rotor of output shaft axle of the rotor of output shaft axle of described first order decompressor, second level decompressor drives generator amature jointly.
Beneficial effect of the present invention is: screw expansion electricity generating device, organic Rankine cycle generating system that the present invention proposes, in sealing or semi-enclosed housing, screw expander, generator are set, rotor and the generator amature of described screw expander are fixedly connected, described electricity generating device drives generator for electricity generation by the rotation of screw expansion machine rotor, can avoid leaking in the using process working medium.Simultaneously, the present invention adopts two-stage or multiple expansion engine, can be used for the more occasion of high pressure ratio.
Description of drawings
Fig. 1 is the composition schematic representation of existing organic Rankine cycle generating system.
Fig. 2 is the composition schematic representation of the organic Rankine cycle generating system of use screw expansion electricity generating device of the present invention.
Fig. 3 is two-stage screw decompressor Vertical direction sectional view of the present invention.
Fig. 4 is two-stage screw decompressor substantially horizontal sectional view of the present invention.
Accompanying drawing primary clustering symbol description is as follows:
1 condenser, 2 liquid pumps
3 vaporizers, 4 decompressors
5 generators, 6 condensers
7 liquid pumps, 8 vaporizers
9 two-stage screw expansion power generation machines, 101 high pressure stage male rotors
102 low pressure stage male rotors, 103 train of gearings
104 generators, 105 high voltage terminal bearings
106 rotor output terminals, 107 intakepories
110 male rotors, 111 female rotors
112 low voltage terminal bearings
Embodiment
Describe the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 3, Fig. 4, the present invention has disclosed a kind of screw expansion electricity generating device, and described electricity generating device comprises semiclosed or totally enclosed housing, and screw expander, generator 104 are set in the housing; Rotor and the generator amature of described screw expander are fixedly connected, and described electricity generating device drives generator 104 generatings by the rotation of screw expansion machine rotor.Described screw expander comprises the double expansion machine, i.e. high pressure stage decompressor, low pressure stage decompressor, and the high-pressure exhaust of high pressure stage decompressor directly is communicated with the low pressure air suction mouth of low pressure stage decompressor.The rotating speed of described high pressure stage decompressor and low pressure stage decompressor is identical or different.
As shown in Figure 3, the rotor of output shaft axle of the rotor of output shaft axle 106 of described high pressure stage decompressor, low pressure stage decompressor drives generator amature jointly.In the present embodiment, the rotor of output shaft axle 106 of described high pressure stage decompressor, the rotor of output shaft axle of low pressure stage decompressor can be connected (certainly, the rotor of output shaft axle 106 of described high pressure stage decompressor, the rotor of output shaft axle of low pressure stage decompressor also can directly be connected with generator amature) by train of gearings 103 with generator amature.
Described housing comprises high pressure stage rotor chamber, low pressure stage rotor chamber, generator cavity, the gear cavity that interconnects.Shown in Figure 3, the rotor that the high pressure stage decompressor is set in the high pressure stage rotor chamber (comprises the high pressure stage male rotor 101 among Fig. 3, high pressure stage female rotor figure does not show), the rotor that the low pressure stage decompressor is set in the low pressure stage rotor chamber (comprises the low pressure stage male rotor 103 among Fig. 3, low pressure stage female rotor figure does not show), generator 104 is set in the generator cavity, and it is 103 that meshed gears is set in the gear cavity.
The external intakeport of screw expander 107, relief opening 109 are set on the described housing; Aperture 108 in the middle of being provided with between the low pressure air suction mouth of the high-pressure exhaust of described high pressure stage decompressor and low pressure stage decompressor; Working medium from intakeport 107 enter housing, the high pressure stage of flowing through rotor chamber, middle aperture 108, low pressure stage rotor chamber, flow out from relief opening 109; The part working medium generator 104 of flowing through is in order to cooled electric generator 104.
As shown in Figure 4, described high pressure stage decompressor, low pressure stage decompressor all comprise female rotor 111 and male rotor 110, described male rotor 110 external output powers.The male rotor 110 of every grade of decompressor, female rotor 111 two ends arrange bearing (comprising high voltage terminal bearing 105, low voltage terminal bearing 112 among Fig. 4) respectively, comprise radial bearing, thrust-bearing away from the shaft extension end, comprise radial bearing near the shaft extension end.
Described male rotor 110 comprises molded lines part, bearing part, attachment portion, the hermetic unit of integrated design, and described male rotor 110 cooperates with female rotor 111, and gear cavity is stretched in described attachment portion.Wherein, described rotor seal partly is provided with seal ring or labyrinth seal, and seals high pressure gas is avoided inter-stage gas leakage, can reduce rotor axial power when needing.
More than introduced the structure of screw expansion electricity generating device of the present invention, the present invention also discloses a kind of organic Rankine cycle generating system that utilizes above-mentioned screw expansion electricity generating device when disclosing above-mentioned screw expansion electricity generating device.
See also Fig. 2, described power generation system comprises two-stage screw expansion power generation device 9, vaporizer 8, liquid pump 7, the condenser 6 that connects successively.The structure of described screw expansion electricity generating device 9 as mentioned above.
In sum, screw expansion electricity generating device, organic Rankine cycle generating system that the present invention proposes, in sealing or semi-enclosed housing, screw expander, generator are set, rotor and the generator amature of described screw expander are fixedly connected, described electricity generating device drives generator for electricity generation by the rotation of screw expansion machine rotor, can avoid leaking in the using process working medium.Simultaneously, the present invention adopts two-stage or multiple expansion engine, can be used for the more occasion of high pressure ratio.
Embodiment two
Present embodiment and embodiment's one difference is that in the present embodiment, screw expander comprises double expansion machine at least, as double expansion machine, three grades of decompressors, and perhaps multiple expansion engine more.
Described screw expansion electricity generating device comprises semiclosed or totally enclosed housing, and screw expander, generator are set in the housing; Rotor and the generator amature of described screw expander are fixedly connected, and described electricity generating device drives generator for electricity generation by the rotation of screw expansion machine rotor; Described screw expander comprises double expansion machine at least, namely comprises first order decompressor, second level decompressor at least; First relief opening of first order decompressor directly is communicated with second intakeport of second level decompressor; The rotating speed of described first order decompressor and second level decompressor is identical or different; The rotor of output shaft axle of the rotor of output shaft axle of described first order decompressor, second level decompressor drives generator amature jointly.
The rotor of output shaft axle of the rotor of output shaft axle of described first order decompressor, second level decompressor directly is connected with generator amature, perhaps is connected with generator amature by gear.Every grade of decompressor all comprises female rotor and male rotor, the external output power of described male rotor.
Described housing comprises rotor chamber at different levels, generator cavity, the gear cavity that interconnects; The rotor of decompressors at different levels is set in the described rotor chamber, generator is set in the generator cavity, engaging gear is set in the gear cavity.The external intakeport of screw expander, relief opening are set on the described housing; Described housing comprises the first rotor chamber, second rotor chamber; Aperture in the middle of being provided with between first relief opening of described first order decompressor and second intakeport of second level decompressor; Working medium enters housing from intakeport, and the first order of flowing through rotor chamber, middle aperture, second level rotor chamber flow out from relief opening; The part working medium generator of flowing through is in order to cooled electric generator.
Embodiment three
Present embodiment and embodiment's one difference is that in the present embodiment, electricity generating device comprises the housing of unlatching, in the described housing expansion machine rotor is set, and generator is arranged at outside the housing.The rotor of described screw expander drives the generator amature rotation by driven gear main shaft and the coupling of train of gearings.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here disclosed embodiment's distortion and change is possible, and the various parts of embodiment's replacement and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation that does not break away from spirit of the present invention or substantive characteristics, and the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.Under the situation that does not break away from the scope of the invention and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (10)
1. a screw expansion electricity generating device is characterized in that, described electricity generating device comprises semiclosed or totally enclosed housing, and screw expander, generator are set in the housing; Perhaps, electricity generating device comprises the housing of unlatching, in the described housing expansion machine rotor is set, and generator is arranged at outside the housing;
Rotor and the generator amature of described screw expander are fixedly connected, and described electricity generating device drives generator for electricity generation by the rotation of screw expansion machine rotor;
Described screw expander comprises the double expansion machine, i.e. high pressure stage decompressor, low pressure stage decompressor, and the high-pressure exhaust of high pressure stage decompressor directly is communicated with the low pressure air suction mouth of low pressure stage decompressor; The rotating speed of described high pressure stage decompressor and low pressure stage decompressor is identical or different;
The rotor of output shaft axle of the rotor of output shaft axle of described high pressure stage decompressor, low pressure stage decompressor drives generator amature jointly; The rotor of output shaft axle of the rotor of output shaft axle of described high pressure stage decompressor, low pressure stage decompressor is connected with generator amature by gear;
Described high pressure stage decompressor, low pressure stage decompressor all comprise female rotor and male rotor, the external output power of described male rotor;
Described housing comprises high pressure stage rotor chamber, low pressure stage rotor chamber, generator cavity, the gear cavity that interconnects; The rotor of high pressure stage decompressor, the rotor of low pressure stage decompressor are set respectively in high pressure stage rotor chamber, the low pressure stage rotor chamber, generator is set in the generator cavity, meshed gears is set in the gear cavity;
The external intakeport of screw expander, relief opening are set on the described housing; Aperture in the middle of being provided with between the low pressure air suction mouth of the high-pressure exhaust of described high pressure stage decompressor and low pressure stage decompressor; Working medium from intakeport enter housing, the high pressure stage of flowing through rotor chamber, middle aperture, low pressure stage rotor chamber, flow out screw expander from relief opening; The part working medium generator of flowing through is in order to cooled electric generator.
2. a screw expansion electricity generating device is characterized in that, described electricity generating device comprises semiclosed or totally enclosed housing, and screw expander, generator are set in the housing; Perhaps, electricity generating device comprises the housing of unlatching, in the described housing expansion machine rotor is set, and generator is arranged at outside the housing;
Rotor and the generator amature of described screw expander are fixedly connected, and described electricity generating device drives generator for electricity generation by the rotation of screw expansion machine rotor;
Described screw expander comprises double expansion machine at least, namely comprises first order decompressor, second level decompressor at least; First relief opening of first order decompressor directly is communicated with second intakeport of second level decompressor; The rotating speed of described first order decompressor and second level decompressor is identical or different;
The rotor of output shaft axle of the rotor of output shaft axle of described first order decompressor, second level decompressor drives generator amature jointly.
3. screw expansion electricity generating device according to claim 2 is characterized in that:
The rotor of output shaft axle of the rotor of output shaft axle of described first order decompressor, second level decompressor directly is connected with generator amature, perhaps is connected with generator amature by gear.
4. screw expansion electricity generating device according to claim 2 is characterized in that:
Described housing comprises rotor chamber at different levels, generator cavity, the gear cavity that interconnects;
The rotor of decompressors at different levels is set in the described rotor chamber, generator is set in the generator cavity, meshed gears is set in the gear cavity.
5. screw expansion electricity generating device according to claim 4 is characterized in that:
The external intakeport of screw expander, relief opening are set on the described housing; Described housing comprises the first rotor chamber, second rotor chamber; Aperture in the middle of being provided with between first relief opening of described first order decompressor and second intakeport of second level decompressor;
Working medium enters housing from intakeport, and the first order of flowing through rotor chamber, middle aperture, second level rotor chamber flow out from relief opening; The part working medium generator of flowing through is in order to cooled electric generator.
6. screw expansion electricity generating device according to claim 2 is characterized in that:
Every grade of decompressor all comprises female rotor and male rotor, the external output power of described male rotor.
7. screw expansion electricity generating device according to claim 6 is characterized in that:
The male rotor of every grade of decompressor, female rotor two ends arrange bearing respectively, comprise radial bearing, thrust-bearing away from the shaft extension end, comprise radial bearing near the shaft extension end.
8. screw expansion electricity generating device according to claim 6 is characterized in that:
Described male rotor comprises molded lines part, bearing part, attachment portion, the hermetic unit of integrated design, and described male rotor cooperates with female rotor, and gear cavity is stretched in described attachment portion.
9. screw expansion electricity generating device according to claim 8 is characterized in that:
Described rotor seal partly is provided with seal ring or labyrinth seal, and seals high pressure gas is avoided inter-stage gas leakage, can reduce rotor axial power when needing.
10. organic Rankine cycle generating system is characterized in that: described power generation system comprises screw expansion electricity generating device, vaporizer, liquid pump, the condenser that connects successively;
Described screw expansion electricity generating device comprises semiclosed or totally enclosed housing, and screw expander, generator are set in the housing; Perhaps, electricity generating device comprises the housing of unlatching, in the described housing expansion machine rotor is set, and generator is arranged at outside the housing;
Rotor and the generator amature of described screw expander are fixedly connected, and described electricity generating device drives generator for electricity generation by the rotation of screw expansion machine rotor;
Described screw expander comprises double expansion machine at least, namely comprises first order decompressor, second level decompressor at least; First relief opening of first order decompressor directly is communicated with second intakeport of second level decompressor; The rotating speed of described first order decompressor and second level decompressor is identical or different;
The rotor of output shaft axle of the rotor of output shaft axle of described first order decompressor, second level decompressor drives generator amature jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310096324.5A CN103195481B (en) | 2013-03-25 | 2013-03-25 | A kind of screw expansion generating set, organic Rankine cycle power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310096324.5A CN103195481B (en) | 2013-03-25 | 2013-03-25 | A kind of screw expansion generating set, organic Rankine cycle power generation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103195481A true CN103195481A (en) | 2013-07-10 |
| CN103195481B CN103195481B (en) | 2015-07-29 |
Family
ID=48718280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310096324.5A Active CN103195481B (en) | 2013-03-25 | 2013-03-25 | A kind of screw expansion generating set, organic Rankine cycle power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103195481B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240229A (en) * | 2015-11-04 | 2016-01-13 | 江西宝象科技有限公司 | Solar photothermal power generation system |
| CN106703894A (en) * | 2016-12-30 | 2017-05-24 | 山西易通环能科技集团有限公司 | Semi-closed screw power machine for low temperature electricity generation |
| CN108104879A (en) * | 2018-01-17 | 2018-06-01 | 无锡锡压压缩机有限公司 | A kind of screw expander, helical-lobe compressor, the integrated system of motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581304A (en) * | 2008-05-12 | 2009-11-18 | 株式会社神户制钢所 | Two-stage screw compressor and refrigerating device |
| CN101818656A (en) * | 2009-02-26 | 2010-09-01 | 赵育基 | Balance type screw expansion power machine |
| CN102022138A (en) * | 2010-11-08 | 2011-04-20 | 上海维尔泰克螺杆机械有限公司 | Screw expanding power generating device |
| CN201826898U (en) * | 2010-10-29 | 2011-05-11 | 淄博桑特动力设备有限公司 | Double-screw expansion machine |
| WO2012065319A1 (en) * | 2010-11-16 | 2012-05-24 | 上海维尔泰克螺杆机械有限公司 | Screw expansion power generation device |
| CN203175621U (en) * | 2013-03-25 | 2013-09-04 | 上海维尔泰克螺杆机械有限公司 | Screw expansion power generation device and organic Rankine cycle power generation system |
-
2013
- 2013-03-25 CN CN201310096324.5A patent/CN103195481B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581304A (en) * | 2008-05-12 | 2009-11-18 | 株式会社神户制钢所 | Two-stage screw compressor and refrigerating device |
| CN101818656A (en) * | 2009-02-26 | 2010-09-01 | 赵育基 | Balance type screw expansion power machine |
| CN201826898U (en) * | 2010-10-29 | 2011-05-11 | 淄博桑特动力设备有限公司 | Double-screw expansion machine |
| CN102022138A (en) * | 2010-11-08 | 2011-04-20 | 上海维尔泰克螺杆机械有限公司 | Screw expanding power generating device |
| WO2012065319A1 (en) * | 2010-11-16 | 2012-05-24 | 上海维尔泰克螺杆机械有限公司 | Screw expansion power generation device |
| CN203175621U (en) * | 2013-03-25 | 2013-09-04 | 上海维尔泰克螺杆机械有限公司 | Screw expansion power generation device and organic Rankine cycle power generation system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240229A (en) * | 2015-11-04 | 2016-01-13 | 江西宝象科技有限公司 | Solar photothermal power generation system |
| CN105240229B (en) * | 2015-11-04 | 2018-11-02 | 江西宝象科技有限公司 | Solar light-heat power-generation system |
| CN106703894A (en) * | 2016-12-30 | 2017-05-24 | 山西易通环能科技集团有限公司 | Semi-closed screw power machine for low temperature electricity generation |
| CN108104879A (en) * | 2018-01-17 | 2018-06-01 | 无锡锡压压缩机有限公司 | A kind of screw expander, helical-lobe compressor, the integrated system of motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103195481B (en) | 2015-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102061944B (en) | Screw expansion generating device | |
| CN106089435A (en) | A kind of compressor system with supercritical carbon dioxide as working medium | |
| CN106014509A (en) | Turbine generator set adopting supercritical carbon dioxide as working medium | |
| CN203962054U (en) | A kind of integrated turbines based on permanent magnetism and magnetic levitation technology | |
| JP2022527561A (en) | Power generation systems and methods of generating electricity through the operation of such power generation systems | |
| CN110630535B (en) | A direct-drive two-stage supercritical carbon dioxide compressor | |
| CN102022138A (en) | Screw expanding power generating device | |
| US9376938B2 (en) | Waste heat power generator | |
| CN203175621U (en) | Screw expansion power generation device and organic Rankine cycle power generation system | |
| CN113606006A (en) | Supercritical carbon dioxide turbine compression all-in-one machine | |
| CN103195481B (en) | A kind of screw expansion generating set, organic Rankine cycle power generation system | |
| CN110578560A (en) | ORC circulation system based on static pressure air bearing | |
| CN201891440U (en) | Screw expansion power generating device | |
| CN101975094B (en) | Liquid pump of screw expander | |
| CN205840927U (en) | A kind of turbine power generation unit with supercritical carbon dioxide as working medium | |
| CN101975160B (en) | Double-screw liquid pump | |
| CN112555171B (en) | A non-cooling super-turbine compressor for solar power generation | |
| CN211116145U (en) | ORC circulation system based on static pressure air bearing | |
| CN205823447U (en) | A kind of compressor system with supercritical carbon dioxide as working medium | |
| CN206129324U (en) | No whelk pole vapor expander | |
| CN101864992B (en) | Mechanical sealing structure of screw rod expansion motive power machine | |
| CN101956571B (en) | Containerization type mechanical sealing structure of screw expansion power machine | |
| CN105422197A (en) | Double-layer steam cylinder of high-back-pressure steam turbine | |
| CN214836565U (en) | Compression-expansion coaxial unit and Brayton cycle system | |
| CN205956014U (en) | Integral type power generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |