CN113738456B - Vibration-resistant steam turbine for double-circulation geothermal energy power generation - Google Patents
Vibration-resistant steam turbine for double-circulation geothermal energy power generation Download PDFInfo
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- CN113738456B CN113738456B CN202110997943.6A CN202110997943A CN113738456B CN 113738456 B CN113738456 B CN 113738456B CN 202110997943 A CN202110997943 A CN 202110997943A CN 113738456 B CN113738456 B CN 113738456B
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- 238000010248 power generation Methods 0.000 title claims abstract description 17
- 230000009977 dual effect Effects 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 230000002265 prevention Effects 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 31
- 238000000034 method Methods 0.000 abstract description 11
- 230000005611 electricity Effects 0.000 abstract 1
- 230000001133 acceleration Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/04—Antivibration arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/04—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using pressure differences or thermal differences occurring in nature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a vibration-resistant steam turbine for double-circulation geothermal energy power generation, which comprises a steam turbine shell, wherein the front surface of the steam turbine shell is fixedly connected with an observation window, the outer surface of the steam turbine shell is sleeved with a truss support circular plate, the bottom of the truss support circular plate is fixedly connected with a buckling base, the buckling base is arranged at the bottom of the steam turbine shell, the middle part of the bottom of the steam turbine shell is sleeved with a buckling ring, the middle part of the inner cavity of the steam turbine shell is fixedly connected with a second guide plate, and the bottom of the second guide plate is provided with an airflow adjusting device. This dual cycle geothermal energy electricity generation is with anti-vibration steam turbine, in entering turbine plant through the high temperature high pressure gas after the dual cycle procedure, the guiding gutter plays preliminary guide effect, reaches the effect of average pressure force, prevents that gaseous internal pressure from being unequal, leads to the internal device atress inhomogeneous and receives vibrations.
Description
Technical Field
The invention relates to the technical field of geothermal energy power generation, in particular to a vibration-resistant steam turbine for double-circulation geothermal energy power generation.
Background
The steam turbine is also called a steam turbine engine, and is a rotary steam power device, high-temperature and high-pressure steam is sprayed onto blades, so that a rotor provided with blade rows rotates and simultaneously does work to the outside. Steam turbines are the main equipment of modern geothermal power plants and thermal power plants, and are also used in metallurgical industry, chemical industry and ship power plants.
The existing geothermal energy power generation steam turbine is characterized in that after entering the steam turbine, the internal high-temperature high-pressure steam is uneven in injection effect on the blades, so that irregular vibration of the blades is caused, uneven stress on an internal rotating shaft can be caused to deform for a long time, the service life of the steam turbine is reduced, meanwhile, when the high-temperature high-pressure steam enters the steam turbine, the pressure is uneven, the power generated by the steam turbine is unstable, and the using effect is reduced.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides geothermal energy power generation, and solves the problem that the blades are irregularly vibrated due to the injection effect.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a dual cycle geothermal energy is vibration-resistant steam turbine for power generation, includes the turbine shell, the front fixedly connected with observation window of turbine shell, the surface cover of turbine shell is equipped with truss support plectane, the bottom fixedly connected with lock joint base of truss support plectane, and lock joint base sets up in the bottom of turbine shell, the centre department cover of turbine shell bottom is equipped with the lock joint ring, the centre department fixedly connected with second guide plate of turbine shell inner chamber, the bottom of second guide plate is equipped with air flow adjusting device, air flow adjusting device's top fixedly connected with rotary turbine device, air flow adjusting device's top prescribes to be connected with first guide plate, and air flow adjusting device includes the regulation and control piece, the bottom fixedly connected with air current baffle of regulation and control piece, first guiding gutter has been seted up to the lower surface of air current baffle, the top fixedly connected with vibration damper of regulation and control piece;
the vibration prevention device comprises a rotating rod, wherein two ends of the rotating rod are respectively connected with a first rotating shaft and a second rotating shaft in a rotating way, and the outer surface of the second rotating shaft is fixedly connected with a plastic block;
the rotary steam turbine device comprises a wind resistance device and a steam turbine block body, wherein the wind resistance device is sleeved in the steam turbine block body, and a spiral pressing plate is fixedly connected to the bottom end of the wind resistance device.
Preferably, the bottom of vibration damper is fixedly connected with the cross board, the bottom fixedly connected with screens baffle of cross board, the upper surface and the air current baffle looks adaptation of screens baffle. The high-temperature high-pressure gas after the double-circulation procedure enters the steam turbine device, the diversion trench plays a primary guiding role, the effect of balancing pressure is achieved, and the phenomenon that the internal device is stressed unevenly and vibrated due to unequal internal pressure of the gas is prevented; meanwhile, the clamping baffle plate is used for limiting the air flow guide plate at a single angle, so that when the air flow pressure is prevented from being too large, the rotating angle of the air flow guide plate is too large, and high-temperature air enters the device, and the service life of the vibration preventing device is shortened.
Preferably, the bottom of screens baffle sets up in the centre department of lock joint ring, anti-vibration device's top fixedly connected with backup pad, and the surface setting of backup pad is in the interval department of first guide plate.
Preferably, the bottom fixedly connected with cardboard of plastic piece, the bottom fixedly connected with of cardboard is at the top of cross board, the top fixedly connected with connecting block of plastic piece, the bottom fixedly connected with cushioning cushion of connecting block avris. When the cross plate is pressed by the airflow pressure, the plastic block is extruded by the cross plate, meanwhile, the cushioning cushion block reduces the rotatable angle of the rotary rod, reduces the flow cross section area of the horizontal plane of the gas, increases the flow velocity of the gas, and improves the impact effect of the gas on the steam turbine.
Preferably, the inside of first pivot rotates and is connected with the fixed axle, the both ends fixedly connected with regulation and control piece of fixed axle, the concave part fixedly connected with elastic rod of regulation and control piece upper surface, the one end fixedly connected with of elastic rod keeping away from regulation and control piece is in the avris department of connecting block bottom. The elastic rod has a stretching effect on the regulating block, and the upper limit of the flow speed of the high-pressure air flow can be controlled by setting the stretching capacity of the elastic rod; meanwhile, when the steam turbine finishes operation, the elastic rod can stretch the regulating and controlling block to seal the inlet of the steam turbine, so that pollutants are prevented from entering, and the effect of isolating the inner space is achieved.
Preferably, the inside fixedly connected with third pivot of turbo block, the bottom of third pivot rotates the upper surface of connection at the connecting block, the top of third pivot rotates the top of connecting at turbo shell, the internal surface of spiral clamp plate and the surface looks adaptation of turbo block. The gas after high-pressure acceleration impacts the spiral pressing plate, so that the loss is smaller when the steam turbine starts to operate, and the energy-saving effect is achieved; meanwhile, the spiral pressing plate is large in cross section, when the airflow is unevenly stressed, the spiral pressing plate is attached to the surface of the steam turbine block, so that the rigid damage of the rotary steam turbine device caused by uneven stress is reduced, and the service life of the device is prolonged.
Preferably, the windage device comprises a bent rod, the outer surface of the bent rod is slidably connected in the steam turbine block, a sliding block is fixedly connected in the middle of the outer surface of the bent rod, a spring is fixedly connected to the top of the sliding block, and one end of the spring, far away from the sliding block, is fixedly connected to the inner wall of the steam turbine block. Under the action of the spring, when the high-flow-rate gas impacts the bottom of the windage device, the spring can achieve partial cushioning effect, meanwhile, the top end of the bent rod is tilted, the secondary air flow is received to rotate under the force, the effect of repeatedly utilizing the air flow is achieved, and the energy utilization efficiency is improved.
Preferably, the upper end and the lower end of the bent rod are respectively fixedly connected with a high-speed air baffle and a low-speed air baffle, the outer surface of the low-speed air baffle is fixedly connected with the outer surface of the spiral pressing plate, and one side, far away from the bent rod, of the low-speed air baffle is fixedly connected with a second diversion trench. The inclination angle of the low-speed air baffle is larger than that of the high-speed air baffle, when the steam turbine block rotates at a low speed, the air resistance area of the low-speed air baffle is increased under the cooperation of the spring and the bent rod, and the rotating speed of the steam turbine block is instantaneously increased; when the turbine block rotates at a high speed, the wind resistance area of the high-speed wind baffle is reduced under the cooperation of the spring and the bent rod, the turbine block is automatically slowed down, the rotating speed control function is achieved, and the output power of the turbine is even.
(III) beneficial effects
The invention provides a vibration-resistant steam turbine for double-cycle geothermal energy power generation. The beneficial effects are as follows:
firstly, the vibration-resistant steam turbine for double-circulation geothermal energy power generation enters a steam turbine device through high-temperature high-pressure gas after double-circulation procedures, the diversion trench plays a primary guiding role, the effect of average pressure is achieved, and uneven stress and vibration of an internal device caused by unequal internal pressure of the gas are prevented; meanwhile, the clamping baffle plate is used for limiting the air flow guide plate at a single angle, so that when the air flow pressure is prevented from being too large, the rotating angle of the air flow guide plate is too large, and high-temperature air enters the device, and the service life of the vibration preventing device is shortened.
And secondly, the vibration-resistant steam turbine for double-circulation geothermal energy power generation is characterized in that when the cross plate is pressed by the airflow pressure, the plastic block is extruded by the cross plate, and meanwhile, the cushioning cushion block reduces the rotatable angle of the rotating rod, reduces the flow cross section area of the horizontal plane of the gas, increases the flow velocity of the gas and improves the impact effect of the gas on the steam turbine.
Thirdly, the vibration-resistant steam turbine for double-cycle geothermal energy power generation has a stretching effect on the regulating block through the elastic rod, and the upper limit of the flow speed of the high-pressure air flow can be controlled by setting the stretching capability of the elastic rod; meanwhile, when the steam turbine finishes operation, the elastic rod can stretch the regulating and controlling block to seal the inlet of the steam turbine, so that pollutants are prevented from entering, and the effect of isolating the inner space is achieved.
Fourthly, the vibration-resistant turbine for double-cycle geothermal energy power generation can lead the loss to be smaller when the turbine starts to operate by impacting the gas after high-pressure acceleration on the spiral pressing plate, thus achieving the energy-saving effect; meanwhile, the spiral pressing plate is large in cross section, when the airflow is unevenly stressed, the spiral pressing plate is attached to the surface of the steam turbine block, so that the rigid damage of the rotary steam turbine device caused by uneven stress is reduced, and the service life of the device is prolonged.
And fifthly, the vibration-resistant steam turbine for double-circulation geothermal energy power generation can achieve partial vibration-resistant effect through the spring when the high-flow-rate gas impacts the bottom of the windage device under the action of the spring, meanwhile, the top end of the bent rod is tilted, the secondary air flow is received to be stressed and rotated, the effect of repeatedly utilizing the air flow is achieved, and the energy utilization efficiency is improved.
Sixthly, when the turbine block rotates at a low speed, the wind resistance area of the low-speed wind baffle is increased under the cooperation of the spring and the bent rod, and the rotating speed of the turbine block is instantaneously increased; when the turbine block rotates at a high speed, the wind resistance area of the high-speed wind baffle is reduced under the cooperation of the spring and the bent rod, the turbine block is automatically slowed down, the rotating speed control function is achieved, and the output power of the turbine is even.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a portion of the present invention;
FIG. 3 is a schematic view of an airflow control device according to the present invention;
FIG. 4 is a schematic cross-sectional view of the vibration preventing device of the present invention;
FIG. 5 is a schematic view showing a part of the structure of the vibration preventing device of the present invention;
FIG. 6 is a schematic view of a rotary steamer device according to the invention;
FIG. 7 is a schematic cross-sectional view of a rotary steamer device of the invention.
In the figure: 1. the truss supports the circular plate; 2. an observation window; 3. a base is buckled; 4. a turbine housing; 5. an air flow regulating device; 51. an air flow guide plate; 52. a first diversion trench; 53. a support plate; 54. a vibration damper; 541. a connecting block; 542. a fixed shaft; 543. a first rotating shaft; 544. a clamping plate; 545. an elastic rod; 546. a second rotating shaft; 547. cushioning cushion blocks; 548. a plastic block; 549. a rotating rod; 55. a control block; 56. a cross plate; 57. a clamping baffle; 6. a first deflector; 7. a second deflector; 8. rotating the turbine device; 81. a turbine block; 82. a spiral pressing plate; 83. a third rotating shaft; 84. a windage device; 841. bending a rod; 842. a second diversion trench; 843. a low-speed wind baffle; 844. a slide block; 845. a spring; 846. a high-speed wind baffle; 9. and a buckling ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1-3, the present invention provides a technical solution: the utility model provides a double-circulation geothermal energy is vibration-resistant steam turbine for power generation, includes turbine shell 4, turbine shell 4's front fixedly connected with observation window 2, turbine shell 4's surface cover is equipped with truss support plectane 1, truss support plectane 1's bottom fixedly connected with lock joint base 3, and lock joint base 3 sets up in turbine shell 4's bottom, turbine shell 4 bottom middle department cover is equipped with lock joint ring 9, turbine shell 4 inner chamber's middle part fixedly connected with second guide plate 7, second guide plate 7's bottom is equipped with air current adjusting device 5, air current adjusting device 5's top fixedly connected with rotatory turbine device 8, air current adjusting device 5's top regulation is connected with first guide plate 6, and air current adjusting device 5 includes regulation and control piece 55, regulation and control piece 55's bottom fixedly connected with air current guide plate 51, first guiding gutter 52 has been seted up to air current guide plate 51's lower surface, regulation and control piece 55's top fixedly connected with vibration damper 54;
the bottom of the vibration damper 54 is fixedly connected with a cross plate 56, the bottom of the cross plate 56 is fixedly connected with a clamping baffle 57, and the upper surface of the clamping baffle 57 is matched with the air flow guide plate 51. The high-temperature high-pressure gas after the double-circulation procedure enters the steam turbine device, the diversion trench 52 plays a primary guiding role, achieves the effect of balancing pressure, and prevents the internal pressure of the gas from being unequal, so that the internal device is stressed unevenly and is vibrated; meanwhile, the clamping baffle 57 performs single-angle limiting on the air flow guide plate 51, so that when the air flow pressure is excessive, the air flow guide plate 51 rotates at an excessive angle, high-temperature air enters the device, and the service life of the vibration prevention device 54 is shortened.
The bottom of screens 57 is arranged in the middle of lock ring 9, the top of anti-vibration device 54 is fixedly connected with backup pad 53, and the surface of backup pad 53 sets up in the interval department of first guide plate 6.
The first embodiment has the following working steps:
step one, high-temperature and high-pressure gas after a double-circulation procedure enters a steam turbine device, a diversion trench 52 plays a primary guiding role, and an average pressure effect is achieved, so that uneven internal pressure of the gas is prevented, and the internal device is prevented from being stressed unevenly and vibrated;
step two, the blocking baffle 57 performs single-angle limiting on the air flow guide plate 51, so that when the air flow pressure is too high, the air flow guide plate 51 rotates too much, and high-temperature air enters the device, and the service life of the vibration prevention device 54 is reduced.
Example two
As shown in fig. 4-5, on the basis of the first embodiment, the present invention provides a technical solution: the bottom fixedly connected with cardboard 544 of plastic piece 548, the bottom fixed connection of cardboard 544 is at the top of cross plate 56, the top fixedly connected with connecting block 541 of plastic piece 548, the bottom fixedly connected with cushioning cushion 547 of connecting block 541 avris. When the cross plate 56 is pressed by the pressure of the compressed air, the plastic blocks 548 are extruded by the cross plate 56, and meanwhile, the cushioning cushion block 547 reduces the rotatable angle of the rotating rod 549, reduces the flow cross-sectional area of the horizontal plane of the air, increases the flow velocity of the air, and improves the impact effect of the air on the steam turbine.
The inside rotation of first pivot 543 is connected with fixed axle 542, the both ends fixedly connected with regulation and control piece 55 of fixed axle 542, the concave part fixedly connected with elastic rod 545 of regulation and control piece 55 upper surface, the one end fixedly connected with in the avris department of connecting block 541 bottom is kept away from to elastic rod 545. The elastic rod 545 has a stretching effect on the regulating block 55, and the upper flow speed limit of the high-pressure air flow can be controlled by setting the stretching capability of the elastic rod 545; meanwhile, when the steam turbine finishes operation, the elastic rod 545 can stretch the regulating block 55 to seal the inlet of the steam turbine, prevent pollutants from entering, and achieve the function of isolating the inner space.
The second embodiment has the following working steps:
step one, when the cross plate 56 is pressed by the airflow pressure, the plastic blocks 548 are extruded by the cross plate 56, and meanwhile, the cushioning cushion block 547 reduces the rotatable angle of the rotating rod 549, reduces the flow cross-sectional area of the horizontal plane of the gas, increases the flow velocity of the gas, and improves the impact effect of the gas on the steam turbine.
Step two, the elastic rod 545 has a stretching effect on the regulating block 55, and the upper limit of the flow speed of the high-pressure air flow can be controlled by setting the stretching capability of the elastic rod 545; meanwhile, when the steam turbine finishes operation, the elastic rod 545 can stretch the regulating block 55 to seal the inlet of the steam turbine, prevent pollutants from entering, and achieve the function of isolating the inner space.
Example III
As shown in fig. 6-7, on the basis of the first embodiment and the second embodiment, the present invention provides a technical solution: the inside fixedly connected with third pivot 83 of turbo block 81, the bottom of third pivot 83 rotates the upper surface of connecting block 541 of connection, the top of third pivot 83 rotates the top of connecting at turbo shell 4, the internal surface of spiral clamp plate 82 and the surface looks adaptation of turbo block 81. The gas after high-pressure acceleration impacts the spiral pressing plate 82, so that the loss is smaller when the steam turbine starts to operate, and the energy-saving effect is achieved; meanwhile, the spiral pressing plate 82 is large in cross section, when the airflow is unevenly stressed, the spiral pressing plate 82 is attached to the surface of the steam turbine block 81, so that the rigid damage of the uneven stress to the rotary steam turbine device 8 is reduced, and the service life of the device is prolonged.
The windage device 84 includes a curved rod 841, the outer surface of the curved rod 841 is slidably connected in the steam turbine block 81, a sliding block 844 is fixedly connected in the middle of the outer surface of the curved rod 841, a spring 845 is fixedly connected to the top of the sliding block 844, and one end of the spring 845, which is far away from the sliding block 844, is fixedly connected to the inner wall of the steam turbine block 81. Under the action of the spring 845, when the high-flow-rate gas impacts the bottom of the windage device 84, the spring 845 can achieve partial cushioning effect, meanwhile, the top end of the bent rod 841 is tilted to accept the rotation of the secondary air flow, so that the effect of repeatedly utilizing the air flow is achieved, and the energy utilization efficiency is improved.
The upper end and the lower end of the bent rod 841 are respectively and fixedly connected with a high-speed air baffle 846 and a low-speed air baffle 843, the outer surface of the low-speed air baffle 843 is fixedly connected with the outer surface of the spiral pressing plate 82, and one side, far away from the bent rod 841, of the low-speed air baffle 843 is fixedly connected with a second diversion trench 842. The inclination angle of the low-speed air baffle 843 is larger than that of the high-speed air baffle 846, when the steam turbine block 81 rotates at a low speed, the air resistance area of the low-speed air baffle 843 is increased under the cooperation of the spring 845 and the bent rod 841, and the rotating speed of the steam turbine block 81 is instantaneously increased; when the turbine block 81 rotates at a high speed, the high-speed air baffle 846 reduces the air resistance area under the cooperation of the spring 845 and the bent rod 841, and automatically slows down the turbine block 81 to achieve the function of controlling the rotating speed, so that the output power of the turbine is even.
The third embodiment has the following working steps:
step one, the gas after high-pressure acceleration impacts the spiral pressing plate 82, so that the loss of the steam turbine is smaller when the steam turbine starts to operate, and the energy-saving effect is achieved; meanwhile, the spiral pressing plate 82 is large in cross section, when the airflow is unevenly stressed, the spiral pressing plate 82 is attached to the surface of the steam turbine block 81, so that the rigid damage of the uneven stress to the rotary steam turbine device 8 is reduced, and the service life of the device is prolonged.
And step two, under the action of the spring 845, when the high-flow-rate gas impacts the bottom of the windage device 84, the spring 845 can achieve partial cushioning effect, meanwhile, the top end of the bent rod 841 is tilted, the secondary air flow is received to rotate under the force, the effect of repeatedly utilizing the air flow is achieved, and the energy utilization efficiency is improved.
Step three, when the turbo block 81 rotates at a low speed, the wind resistance area of the low-speed wind baffle 843 is increased under the cooperation of the spring 845 and the bent rod 841, and the rotating speed of the turbo block 81 is instantaneously increased; when the turbine block 81 rotates at a high speed, the high-speed air baffle 846 reduces the air resistance area under the cooperation of the spring 845 and the bent rod 841, and automatically slows down the turbine block 81 to achieve the function of controlling the rotating speed, so that the output power of the turbine is even.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a dual cycle geothermal energy is vibration-resistant steam turbine for power generation, includes turbine shell (4), the positive fixedly connected with observation window (2) of turbine shell (4), the surface cover of turbine shell (4) is equipped with truss support plectane (1), the bottom fixedly connected with lock joint base (3) of truss support plectane (1), and lock joint base (3) set up the bottom at turbine shell (4), the middle department cover of turbine shell (4) bottom is equipped with lock joint ring (9), the middle department fixedly connected with second guide plate (7) of turbine shell (4) inner chamber, the bottom of second guide plate (7) is equipped with air current adjusting device (5), the top fixedly connected with rotary turbine device (8) of air current adjusting device (5), the top regulation of air current adjusting device (5) is connected with first guide plate (6), its characterized in that: the air flow regulating device (5) comprises a regulating block (55), wherein the bottom of the regulating block (55) is fixedly connected with an air flow guide plate (51), a first guide groove (52) is formed in the lower surface of the air flow guide plate (51), and the top of the regulating block (55) is fixedly connected with a vibration preventing device (54);
the vibration prevention device (54) comprises a rotating rod (549), two ends of the rotating rod (549) are respectively connected with a first rotating shaft (543) and a second rotating shaft (546) in a rotating mode, and a plastic block (548) is fixedly connected to the outer surface of the second rotating shaft (546);
the rotary steam turbine device (8) comprises a wind resistance device (84) and a steam turbine block (81), wherein the wind resistance device (84) is sleeved in the steam turbine block (81), and the bottom end of the wind resistance device (84) is fixedly connected with a spiral pressing plate (82);
the bottom of the vibration prevention device (54) is fixedly connected with a cross plate (56), the bottom of the cross plate (56) is fixedly connected with a clamping baffle (57), and the upper surface of the clamping baffle (57) is matched with the air flow guide plate (51);
the bottom of the clamping baffle (57) is arranged in the middle of the buckling ring (9), the top of the vibration prevention device (54) is fixedly connected with a supporting plate (53), and the outer surface of the supporting plate (53) is arranged at the interval of the first guide plate (6);
the bottom of the plastic block (548) is fixedly connected with a clamping plate (544), the bottom of the clamping plate (544) is fixedly connected to the top of the cross plate (56), the top of the plastic block (548) is fixedly connected with a connecting block (541), and the bottom of the side of the connecting block (541) is fixedly connected with a cushioning cushion block (547);
the inside of the first rotating shaft (543) is rotationally connected with a fixed shaft (542), two ends of the fixed shaft (542) are fixedly connected with a regulating block (55), a concave part on the upper surface of the regulating block (55) is fixedly connected with an elastic rod (545), and one end of the elastic rod (545) far away from the regulating block (55) is fixedly connected with the side of the bottom of the connecting block (541);
the inside fixedly connected with third pivot (83) of turbo block (81), the bottom of third pivot (83) rotates the upper surface of connecting block (541) of being connected, the top of third pivot (83) rotates the top of being connected at turbo shell (4), the internal surface of spiral clamp plate (82) and the surface looks adaptation of turbo block (81).
2. The vibration-resistant steam turbine for dual cycle geothermal energy power generation according to claim 1, wherein: wind resistance device (84) include bent rod (841), the surface sliding connection of bent rod (841) is in the inside of turbo block (81), the centre department fixedly connected with slider (844) of bent rod (841) surface, the top fixedly connected with spring (845) of slider (844), the one end fixedly connected with of slider (844) is kept away from in the inner wall department of turbo block (81) to spring (845).
3. The vibration-resistant steam turbine for dual cycle geothermal energy generation according to claim 2, wherein: the upper end and the lower end of the bent rod (841) are respectively fixedly connected with a high-speed air baffle (846) and a low-speed air baffle (843), the outer surface of the low-speed air baffle (843) is fixedly connected with the outer surface of the spiral pressing plate (82), and one side, far away from the bent rod (841), of the low-speed air baffle (843) is fixedly connected with a second diversion trench (842).
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| JP2009264214A (en) * | 2008-04-24 | 2009-11-12 | Mitsubishi Heavy Ind Ltd | Vibration preventing method and device for steam turbine |
| KR101959210B1 (en) * | 2018-01-02 | 2019-03-18 | 황두영 | Power line tower for anti-vibration |
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| US20080175705A1 (en) * | 2007-01-19 | 2008-07-24 | Chia-Wei Liu | Frame Structure For Anti-Vibration Fan |
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| JP2009264214A (en) * | 2008-04-24 | 2009-11-12 | Mitsubishi Heavy Ind Ltd | Vibration preventing method and device for steam turbine |
| KR101959210B1 (en) * | 2018-01-02 | 2019-03-18 | 황두영 | Power line tower for anti-vibration |
| CN209369881U (en) * | 2019-01-24 | 2019-09-10 | 广东石油化工学院 | A kind of steam turbine damping base |
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