CN201110196Y - Back pressure steam turbine - Google Patents
Back pressure steam turbine Download PDFInfo
- Publication number
- CN201110196Y CN201110196Y CNU2007200279636U CN200720027963U CN201110196Y CN 201110196 Y CN201110196 Y CN 201110196Y CN U2007200279636 U CNU2007200279636 U CN U2007200279636U CN 200720027963 U CN200720027963 U CN 200720027963U CN 201110196 Y CN201110196 Y CN 201110196Y
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- China
- Prior art keywords
- cylinder
- bearing block
- back pressure
- governor
- stop valve
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to a back pressure turbine, which comprises a cylinder, a front bearing block, a rear bearing block and a chassis, wherein the distance between one side of the front bearing block and the rear bearing block which is close to the cylinder and the center of an impeller vane in the cylinder is 361.5cm, the inside diameter of the impeller vane is 130cm, the external diameter is 400cm, the distance between steam discharge pipes on the front side and the rear side of the cylinder and the impeller vane is 291.5cm, the requirement of users for product power can be accurately satisfied, the energy is saved, and thereby the back pressure turbine of the utility model has comparatively high use value and social value.
Description
Technical field
The utility model relates to a kind of steam turbine, specifically, relates to a kind of back pressure turbine.
Background technique
At present, common a kind of back pressure turbine is generally manufactured according to standard, and its power often can't satisfy the demand of user to power accurately, generally can cause power superfluous and cause the waste of the energy, is unfavorable for long-run development.
Summary of the invention
Technical problem to be solved in the utility model is at above defective, and a kind of a kind of back pressure turbine of accurately meeting consumers' demand is provided.
For addressing the above problem, the utility model adopts following technological scheme: a kind of back pressure turbine, comprise cylinder, front-end bearing pedestal, rear bearing block, the chassis, it is characterized in that: described front-end bearing pedestal, rear bearing block is 361.5cm near a side of cylinder and the distance at the interior impeller blade center of cylinder, the internal diameter of described impeller blade is 130cm, external diameter is 400cm, the exhaust steam pipe of both sides and the distance at impeller blade center are 291.5cm before and after the described cylinder, the front end of described cylinder is provided with main stop valve, be used for closing the emergency governor, overspeed governor of main stop valve, be provided with the emergency governor, overspeed governor connecting rod between emergency governor, overspeed governor and the main stop valve, the front end of described cylinder is provided with the adjusting steam valve connecting rod that is used for regulating main stop valve aperture size.
Beneficial effect: the utility model adopts said structure, has the following advantages: can satisfy the requirement of user to product power accurately, save the energy.
Below in conjunction with drawings and Examples the utility model is further described:
Description of drawings
Fig. 1 is the structural representation of steam turbine among the utility model embodiment;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is Fig. 1 right elevation.
Embodiment
The 1-speed regulator, 2-front-end bearing pedestal, 3-bearing, 4-bearing, the 5-thermometer, 6-exhaust steam pipe, 7-cylinder, 8-impeller blade, the 9-packing, 10-rear bearing block, 11-rotor, the 12-coupling, 13-main stop valve, 14-steam valve mounting, the 16-emergency governor, overspeed governor, 17-emergency governor, overspeed governor connecting rod, 18-regulates the steam valve connecting rod, the 19-nozzle sets, 20-turns to guide vane ring, the 21-chassis
Embodiment, as shown in Figure 1, a kind of back pressure turbine, comprise cylinder 7, front-end bearing pedestal 2, rear bearing block 10, be supported on front-end bearing pedestal 2, the chassis 21 of rear bearing block 10 downsides, front-end bearing pedestal 2 is provided with speed regulator 1, the bearing 3 of support rotor 11 is installed in the front-end bearing pedestal 2, bearing 4, thermometer 5 is installed on the front-end bearing pedestal 2, Curtis wheel blade 8 in the cylinder 7 is installed on the rotor 11, be provided with packing 9 between cylinder 7 and the rotor 11, on cylinder 7 bodies exhaust steam pipe 6 is installed, on the rotor 11 of rear bearing block 10 1 sides coupling 12 is installed, the vaporium bottom of cylinder 7 is equipped with nozzle sets 19 and turns to guide vane ring 20, front-end bearing pedestal 2, rear bearing block 10 is 361.5cm near a side of cylinder 7 and the distance at cylinder 7 interior impeller blade 8 centers, the internal diameter of impeller blade 8 is 130cm, external diameter is 400cm, the exhaust steam pipe 6 of both sides, cylinder 7 front and back is 291.5cm with the distance at impeller blade 8 centers, as Fig. 2, shown in Figure 3, front end at cylinder 7 is provided with main stop valve 13, emergency governor, overspeed governor 16, regulate steam valve connecting rod 18, be provided with emergency governor, overspeed governor connecting rod 17 between emergency governor, overspeed governor 16 and the main stop valve 13, downside at main stop valve 13 is provided with steam valve mounting 14, the initial steam pressure of this steam turbine is 2.5Mpa, 350 ℃ of throttle (steam) temperatures, exhaust steam pressure is 0.4Mpa, power range is 75KW, rated speed is 3000rpm/min, and the tripping operation rotating speed is 3320rpm/min.
Claims (1)
1. back pressure turbine, comprise cylinder (7), front-end bearing pedestal (2), rear bearing block (10), chassis (21), it is characterized in that: described front-end bearing pedestal (2), rear bearing block (10) is 361.5cm near a side of cylinder (7) and the distance at the interior impeller blade of cylinder (7) (8) center, the internal diameter of described impeller blade (8) is 130cm, external diameter is 400cm, the exhaust steam pipe (6) of both sides is 291.5cm with the distance at impeller blade (8) center before and after the described cylinder (7), the front end of described cylinder (7) is provided with main stop valve (13), be used for closing the emergency governor, overspeed governor (16) of main stop valve (13), be provided with emergency governor, overspeed governor connecting rod (17) between emergency governor, overspeed governor (16) and the main stop valve (13), the front end of described cylinder (7) is provided with the adjusting steam valve connecting rod (18) that is used for regulating main stop valve (13) aperture size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200279636U CN201110196Y (en) | 2007-09-19 | 2007-09-19 | Back pressure steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200279636U CN201110196Y (en) | 2007-09-19 | 2007-09-19 | Back pressure steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201110196Y true CN201110196Y (en) | 2008-09-03 |
Family
ID=39894726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200279636U Expired - Fee Related CN201110196Y (en) | 2007-09-19 | 2007-09-19 | Back pressure steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201110196Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109306874A (en) * | 2018-07-10 | 2019-02-05 | 唐山三友集团兴达化纤有限公司 | A kind of small differential pressure small-power steamer asynchronous generating device of vertical low-pressure steam |
| CN111927565A (en) * | 2020-07-21 | 2020-11-13 | 中国航发湖南动力机械研究所 | Sealing device for sealing oil and discharging sand |
-
2007
- 2007-09-19 CN CNU2007200279636U patent/CN201110196Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109306874A (en) * | 2018-07-10 | 2019-02-05 | 唐山三友集团兴达化纤有限公司 | A kind of small differential pressure small-power steamer asynchronous generating device of vertical low-pressure steam |
| CN109306874B (en) * | 2018-07-10 | 2021-09-03 | 唐山三友集团兴达化纤有限公司 | Vertical low-pressure steam small-differential-pressure small-power steam turbine asynchronous power generation device |
| CN111927565A (en) * | 2020-07-21 | 2020-11-13 | 中国航发湖南动力机械研究所 | Sealing device for sealing oil and discharging sand |
| CN111927565B (en) * | 2020-07-21 | 2022-03-25 | 中国航发湖南动力机械研究所 | Sealing device for sealing oil and discharging sand |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080903 Termination date: 20091019 |