CN201891440U - Screw expansion power generating device - Google Patents
Screw expansion power generating device Download PDFInfo
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- CN201891440U CN201891440U CN2010205964693U CN201020596469U CN201891440U CN 201891440 U CN201891440 U CN 201891440U CN 2010205964693 U CN2010205964693 U CN 2010205964693U CN 201020596469 U CN201020596469 U CN 201020596469U CN 201891440 U CN201891440 U CN 201891440U
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Abstract
The utility model discloses a screw expansion power generating device, which can be used for organic Rankine cycle, and comprises a semi-closed or full-closed casing. A screw expander and a power generator are arranged in the casing; a rotor of the screw expander is fixedly connected with a rotor of the power generator; and the power generating device drives the power generator to generator power by the aid of rotation of the rotor of the screw expander. A suction inlet and an exhaust outlet of the screw expander are arranged on the casing; airflow which enters the casing from the suction inlet and is exhausted from the exhaust outlet of the expander passes through the power generator to cool the power generator. The screw expansion power generating device is semi-closed or full-closed, the screw expander and the power generator are integrally arranged in the casing, the power generator can be a synchronous power generator or an asynchronous power generator, and refrigerant leakage can be avoided when the screw expansion power generating device is in power generation.
Description
Technical field
The utility model belongs to the power generating equipment technical field, relates to organic Rankine cycle, also relates to the screw expansion electricity generating device of a kind of half envelope or full envelope simultaneously.
Background technique
See also Fig. 1, Fig. 1 is that (Organic Rankin Cycle ORC), comprises decompressor 1 ', generator 2 ', vaporizer 3 ', liquid pump 4 ', condenser 5 ' in a typical organic Rankine circulation.
The liquid refrigerating working medium of low-temp low-pressure is boosted in liquid pump 4 '; Enter vaporizer 3 ' then and be heated vaporization, after becoming overheated gas (High Temperature High Pressure), enter decompressor 1 ' expansion acting, drive generator 2 ' generating.Low-temp low-pressure gas after the acting enters condenser 5 ' and is cooled and condenses into liquid; Return in the liquid pump 4 ', finish a circulation.
The decompressor of the existing ORC of being used for has the centrifugal decompressor of half envelope, the screw expander of opening type.The screw expander of opening type by axle envelope with go out the axle head generator and be connected, its defective is that refrigeration working medium can seal leakage by axle.
The model utility content
Technical problem to be solved in the utility model is: the screw expansion electricity generating device of a kind of half envelope or full envelope is provided, can avoids screw expander the situation that refrigeration working medium is revealed to occur when driving generator for electricity generation.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
The screw expansion electricity generating device of a kind of half envelope or full envelope can be used for the organic Rankine circulation; Described electricity generating device comprises the housing of half envelope or full envelope, and screw expander, generator are set in the housing; Described screw expander, generator integrated setting, the rotor of described screw expander is fixedlyed connected with generator amature, and described electricity generating device drives generator for electricity generation by the rotation of screw expansion machine rotor.
As a kind of preferred version of the present utility model, air-breathing inlet, the exhaust outlet of screw expander is set on the described housing; Described from air-breathing inlet enter housing, the air-flow of discharging from the decompressor exhaust outlet is through described generator, in order to cooled electric generator.
As a kind of preferred version of the present utility model, described housing comprises decompressor chamber, the generator cavity that is connected, and decompressor is provided with screw expander in the chamber, and generator is set in the generator cavity.
As a kind of preferred version of the present utility model, described screw expander comprises male rotor, female rotor, and the axle of described male rotor is fixedlyed connected with generator amature.
As a kind of preferred version of the present utility model, described male rotor is provided with the first male rotor bearing away from an end of generator; The two ends of described female rotor are provided with the female rotor bearing respectively.
As a kind of preferred version of the present utility model, described male rotor comprises rotor portion, the attachment portion of integrated design, and described rotor portion cooperates with female rotor, and generator inside is stretched in described attachment portion; Fixedly connected with generator amature away from an end of rotor portion in described attachment portion.
As a kind of preferred version of the present utility model, described attachment portion is provided with the second male rotor bearing between the rotor portion of male rotor and generator amature; The described first male rotor bearing, the second male rotor bearing, female rotor bearing are arranged in the housing by the supporting mechanism that is provided with in the housing respectively.
As a kind of preferred version of the present utility model, described generator is synchronous generator or induction generator.
A kind of screw expansion electricity generating device, described electricity generating device are used for the organic Rankine circulation; Described electricity generating device comprises the housing of half envelope or full envelope, and screw expander, generator are set in the housing; Described screw expander, generator integrated setting, the rotor of described screw expander is fixedlyed connected with generator amature, and described electricity generating device drives generator for electricity generation by the rotation of screw expansion machine rotor;
Air-breathing inlet, the exhaust outlet of screw expander are set on the described housing; Described from air-breathing inlet enter housing, the air-flow of discharging from exhaust outlet is through described generator, in order to cooled electric generator;
Described housing comprises decompressor chamber, the generator cavity that is connected, and decompressor is provided with screw expander in the chamber, and generator is set in the generator cavity;
Described screw expander comprises male rotor, female rotor, and the axle of described male rotor is fixedlyed connected with generator amature; Described male rotor is provided with the first male rotor bearing away from an end of generator; The two ends of described female rotor are provided with the female rotor bearing respectively;
Described male rotor comprises rotor portion, the attachment portion of integrated design, and described rotor portion cooperates with female rotor, and generator inside is stretched in described attachment portion; Fixedly connected with generator away from an end of rotor portion in described attachment portion; Described attachment portion is provided with the second male rotor bearing between the rotor portion of male rotor and generator amature;
The described first male rotor bearing, the second male rotor bearing, female rotor bearing are arranged in the housing by the supporting mechanism that is provided with in the housing respectively;
Described air-breathing inlet, exhaust outlet are respectively equipped with seal ring;
Described generator is synchronous generator or induction generator.
The beneficial effects of the utility model are: screw expansion electricity generating device that partly seals or seal entirely that the utility model proposes and the organic Rankine cycle generating system that uses above-mentioned screw expansion electricity generating device, and can avoid the screw expansion generator refrigeration working medium when generating, to occur and pass through a situation of sealing leakage.
Description of drawings
Fig. 1 is the composition schematic representation of organic Rankine cycle generating system.
Fig. 2 is for using the composition schematic representation of organic Rankine cycle generating system of the present utility model.
Fig. 3 is the sectional view of the utility model screw expansion electricity generating device Vertical direction.
Fig. 4 is the sectional view of the utility model screw expansion electricity generating device substantially horizontal.
Accompanying drawing primary clustering symbol description is as follows:
1 ': decompressor 2 ': generator
3 ': vaporizer 4 ': liquid pump
5 ': condenser
1: screw expansion electricity generating device 3: vaporizer
4: liquid pump 5: condenser
101: generator 102: male rotor
103: 1041: the first male rotor bearings of female rotor
1042: the second male rotor bearings 105: female rotor bearing
106: seal ring 107: air-breathing inlet
108: exhaust outlet 109: passage
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 2, Fig. 2 has represented a kind of use organic Rankine cycle generating system of the present utility model, and described organic Rankine cycle generating system comprises condenser 5, liquid pump 4, vaporizer 3, the screw expansion electricity generating device 1 that connects successively.The screw expansion electricity generating device 1 that the utility model discloses is half envelope of integrated setting or the screw expander and the generator of full envelope.Described generator can be synchronous generator or induction generator.
See also Fig. 3 and Fig. 4, described electricity generating device 1 comprises the housing of half envelope or full envelope, and screw expander, generator 101 are set in the housing; Described screw expander, generator 101 integrated setting, the rotor of described screw expander is fixedlyed connected with generator amature, and described electricity generating device 1 drives generator 101 generatings by the rotation of screw expansion machine rotor.
Air-breathing inlet 107, the exhaust outlet 108 of screw expander are set on the described housing.Described from air-breathing inlet 107 enter housing, the air-flow of discharging from exhaust outlet 108 is through described generator 101, in order to cooled electric generator.As shown in Figure 3, described housing comprises decompressor chamber, the generator cavity that is connected, and decompressor is provided with screw expander in the chamber, and generator 101 is set in the generator cavity; The air-breathing inlet 107 of described screw expander, exhaust outlet 108 are separately positioned on the two ends of incorporate screw expander, generator 101.In the present embodiment, generator 101 is arranged in the path 10 9 between air-breathing inlet 107, the exhaust outlet 108.Be equipped with seal ring 106 between all split surfaces.
Please continue to consult Fig. 4, in the present embodiment, described screw expander comprises male rotor 102, female rotor 103, and an end of described male rotor 102 is fixedlyed connected with generator 101.The two ends of described female rotor 103 are provided with female rotor bearing 105 respectively.Described male rotor 102 is provided with the first male rotor bearing 1041 away from an end of generator.Described male rotor 102 comprises rotor portion, the attachment portion of integrated design, and described rotor portion cooperates with female rotor 103, and generator 101 inside are goed deep in described attachment portion; Fixedly connected with generator 101 away from an end of rotor portion in described attachment portion.Described attachment portion is provided with the second male rotor bearing 1042 between the rotor portion of male rotor and generator amature.The described first male rotor bearing 1041, the second male rotor bearing 1042, female rotor bearing 105 are arranged in the housing by the supporting mechanism that is provided with in the housing respectively.
In sum, half screw expansion electricity generating device that seals or seal entirely that the utility model proposes and the organic Rankine cycle generating system that uses above-mentioned screw expansion electricity generating device, the screw expansion electricity generating device is half envelope or full envelope, screw expander and generator are done as a whole being arranged in the housing, can avoid the screw expansion generator situation that refrigeration working medium is revealed by the axle envelope to occur when generating.
Embodiment two
In the present embodiment, the rotor that drives generator for electricity generation can be female rotor.
Here description of the present utility model and application are illustrative, are not to want with scope restriction of the present utility model in the above-described embodiments.Here disclosed embodiment's distortion and change are 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 utility model or substantive characteristics, and the utility model 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 utility model scope and spirit, can carry out other distortion and change here to disclosed embodiment.
Claims (8)
1. a screw expansion electricity generating device is characterized in that, described electricity generating device comprises the housing of half envelope or full envelope, and screw expander, generator are set in the housing;
The rotor of described screw expander is fixedlyed connected with generator amature, and described electricity generating device drives generator for electricity generation by the rotation of screw expansion machine rotor.
2. screw expansion electricity generating device according to claim 1 is characterized in that:
Air-breathing inlet, the exhaust outlet of screw expander are set on the described housing;
Described from air-breathing inlet enter housing, the air-flow of discharging from the decompressor exhaust outlet is through described generator, in order to cooled electric generator.
3. screw expansion electricity generating device according to claim 2 is characterized in that:
Described housing comprises decompressor chamber, the generator cavity that is connected, and decompressor is provided with screw expander in the chamber, and generator is set in the generator cavity.
4. screw expansion electricity generating device according to claim 1 is characterized in that:
Described screw expander comprises male rotor, female rotor, and the axle of described male rotor is fixedlyed connected with generator rotor shaft.
5. screw expansion electricity generating device according to claim 4 is characterized in that:
Described male rotor is provided with the first male rotor bearing away from an end of generator; The two ends of described female rotor are provided with the female rotor bearing respectively.
6. screw expansion electricity generating device according to claim 4 is characterized in that:
Described male rotor comprises rotor portion, the attachment portion of integrated design, and described rotor portion cooperates with female rotor, and generator inside is stretched in described attachment portion;
Fixedly connected with generator amature away from an end of rotor portion in described attachment portion.
7. screw expansion electricity generating device according to claim 6 is characterized in that:
Described attachment portion is provided with the second male rotor bearing between the rotor portion of male rotor and generator amature;
The described first male rotor bearing, the second male rotor bearing, female rotor bearing are arranged in the housing by the supporting mechanism that is provided with in the housing respectively;
Described air-breathing inlet, exhaust outlet are respectively equipped with seal ring.
8. a screw expansion electricity generating device is characterized in that, described electricity generating device is used for the organic Rankine circulation; Described electricity generating device comprises the housing of half envelope or full envelope, and screw expander, generator are set in the housing; Described screw expander, generator integrated setting, the rotor of described screw expander is fixedlyed connected with generator amature, and described electricity generating device drives generator for electricity generation by the rotation of screw expansion machine rotor;
Air-breathing inlet, the exhaust outlet of screw expander are set on the described housing; Described from air-breathing inlet enter housing, the air-flow of discharging from exhaust outlet is through described generator, in order to cooled electric generator;
Described housing comprises decompressor chamber, the generator cavity that is connected, and decompressor is provided with screw expander in the chamber, and generator is set in the generator cavity;
Described screw expander comprises male rotor, female rotor, and the axle of described male rotor is fixedlyed connected with generator amature; Described male rotor is provided with the first male rotor bearing away from an end of generator; The two ends of described female rotor are provided with the female rotor bearing respectively;
Described male rotor comprises rotor portion, the attachment portion of integrated design, and described rotor portion cooperates with female rotor, and generator inside is stretched in described attachment portion; Fixedly connected with generator away from an end of rotor portion in described attachment portion; Described attachment portion is provided with the second male rotor bearing between the rotor portion of male rotor and generator amature;
The described first male rotor bearing, the second male rotor bearing, female rotor bearing are arranged in the housing by the supporting mechanism that is provided with in the housing respectively;
Described air-breathing inlet, exhaust outlet are respectively equipped with seal ring;
Described generator is synchronous generator or induction generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205964693U CN201891440U (en) | 2010-11-08 | 2010-11-08 | Screw expansion power generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205964693U CN201891440U (en) | 2010-11-08 | 2010-11-08 | Screw expansion power generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201891440U true CN201891440U (en) | 2011-07-06 |
Family
ID=44220918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205964693U Expired - Lifetime CN201891440U (en) | 2010-11-08 | 2010-11-08 | Screw expansion power generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201891440U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102733873A (en) * | 2011-03-29 | 2012-10-17 | 株式会社神户制钢所 | Power generation system |
| CN104379936A (en) * | 2012-04-19 | 2015-02-25 | 城市大学 | Reduced noise screw machines |
| 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 |
-
2010
- 2010-11-08 CN CN2010205964693U patent/CN201891440U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102733873A (en) * | 2011-03-29 | 2012-10-17 | 株式会社神户制钢所 | Power generation system |
| CN104379936A (en) * | 2012-04-19 | 2015-02-25 | 城市大学 | Reduced noise screw machines |
| CN104379936B (en) * | 2012-04-19 | 2017-04-05 | 城市大学 | Reduce the screw machine of noise |
| US9714572B2 (en) | 2012-04-19 | 2017-07-25 | The City University | Reduced noise screw machines |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI KAISHAN ENERGY EQUIPMENT CO., LTD. Free format text: FORMER OWNER: SHANGHAI WEIRTAIKE SCREW MACHINERY CO., LTD. Effective date: 20130718 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130718 Address after: 201306 Shanghai city Pudong New Area Lingang heavy equipment Industrial Zone No. 851 flying road 4 Building 2 layer Patentee after: SHANGHAI KAISHAN ENERGY EQUIPMENT CO., LTD. Address before: 201306 Shanghai City, Pudong New Area Nanhui Lingang heavy equipment Industrial Zone stagecoach road Shanghai Weil Taco Screw Machinery Co. Patentee before: Shanghai Weirtaike Screw Machinery Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110706 |
|
| CX01 | Expiry of patent term |